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Tittel Non-resistive circulation to elevated containers
Status
Hovedstatus
Detaljstatus
I kraft info Meddelt Patent meddelt (B1) (sjekk også detaljer i saken)
Patentnummer 347278
Søknadsnummer 20210273
Levert
Prioritet Ingen
Sakstype Nasjonal
Løpedag
Utløpsdato
Allment tilgjengelig
Meddelt
Søker CYBERIT SYSTEMS AS (NO)
Innehaver CYBERIT SYSTEMS AS (NO)
Oppfinner KNUT CHRISTIAN BRINCH (NO)
Fullmektig ACAPO AS (NO)
Patentfamilie Se i Espacenet

The invention relates to circulation of fluids to an elevated container in general and more specifically a system and a method for circulation of fluids in a non-resistive manner to an elevated container with at least one fluid source container, at least one closed container for circulation, at least one elevated fluid container, at least one circulation mechanism for the purpose of circulation, and at least one start-stop mechanism for the purpose of circulation control.

Se forsidefigur og sammendrag i Espacenet


B1

Beskrivelse

Non-resistive circulation to elevated containers

Background of the Invention

Technical Field

The invention relates to circulation of fluids to an elevated container in general and more specifically a system and a method for circulation of fluids in a non-resistive manner to an elevated container with at least one fluid source container, at least one closed container for circulation, at least one elevated fluid container, at least one circulation mechanism for the purpose of circulation, and at least one start-stop mechanism for the purpose of circulation control.

Background Art

From prior art one should refer to traditional circulation using pumps where they transport fluid from a source container to another container, where the fluid flows from the source into the end container in an additive manner, until the existing fluid in the end container is displaced by the source fluid.

One group of methods are describing the source fluid as the sea, used to contain sea animals, and where the circulation is naturally occurring through permeable nets. This group may also take the form of sea-based containers with semi-permeable or non-permeable walls where circulation is maintained by some form of circulation mechanism.

The most significant variation of the methods are elevated containers on land, where the circulating mechanism needs to use energy for transportation of fluid to elevated positions. This requires the circulation mechanism to obtain enough energy to overcome the hydrostatic pressure and fluid weight by moving the water to an elevated position.

These methods are referred to as normal fluid circulation methods, where the purpose is to replace fluid in a container.

The main problems with fluid circulation to elevated position is:

1. The fluid requires a circulation mechanism to obtain enough power to resist the hydrostatic pressure in a liquid and the liquid weight, when moving fluid to an elevated position

2. The fluid circulation must be high. As an example, sea-life containers require high volumes of water due to sea-food content per cubic meter of water. Higher volumes will require more power or less resistance in the flow

3. The fluid circulation needs high elevation. For fluid-containers with seaanimals or vegetative growth in horizontal elevated planes, energy usage must be low and elevation must be high

As an example, circulation of fluid to elevated positions in the sea food industry solves many issues, a direct consequence of the inefficient circulation:

1. Transport of sea-animal feed by boat will not be necessary

2. Contamination of the sea-floor due to excrements will be easier to handle in land-based containers

3. Anaerobe conditions due to contaminants, excrements, and the number of sea-animals is easier to handle in contained and controlled environments

4. Transportation of products by boat to markets will not be necessary, as containers of sea-animals may be land-based

5. High energy usage for water purifying systems

6. Sea-animal production and elevated vegetative growth in cities will be much more likely

JP 3201988 U discloses a circulation system for water.

Disclosure of the invention

Problems solved by the invention

The problems listed below are relating to all known methods of circulation of fluids at elevated heights.

Hydrostatic pressure and fluid weight

Elevation will normally create a downward flow if fluid is flowing naturally. Water flows naturally in streams from elevated dams into the sea, due to gravity.

When creating an upward flow, the flow can be considered as a resistive flow where a force is used for the movement of the fluid by opposing the gravitational force. Water has a density of approximately one gram per cubic centimetre, and a force is used to move this water to any given elevation. The definition of the old horsepower unit, indicates that lifting one cubic meter one meter per second will demand much energy. Removing the resistive flow is vital for energy-efficiency, when moving water to an elevated position.

This problem is solved by the current invention, with a non-resistive circulation device, where the circulation of water is neglecting the hydrostatic pressure and fluid weight. The basis of the invention for solving this problem is illustrated in Figure 1, and is specified as a circulation unit.

Initially the system illustrated in Figure 1 is filled with fluid. All start-stop mechanisms 13, and 14 are closed and circulation units 11 and 12 is stopped.

In the example shown, the start-stop mechanisms 13 and 14 cannot be open at the same time. If valve 13 is opened and valve 14 is closed, the hydraulic system will be at rest without any flow from container 2 to the source container 1. Similarly, if valve 14 is opened and valve 13 is closed, the hydraulic system will be at rest without any flow from container 2 to the elevated container 3. If both valves are open, the hydraulic system is not at rest and the fluid will flow from the elevated container 3 to the source container 1.

By applying circulation with the circulation device 11 it is possible to obtain a nonresistive circulation from an open source-container 1, into a closed container 2 when the valve 13 is open and the valve 14 is closed.

Similarly, the circulation device 12 is circulating water from the closed container 2 to the elevated container 3 in a non-resistive manner, when the valve 13 is closed and valve 14 is open.

The basis of the invention is solving the problem with hydrostatic pressure, and fluid weight by introducing non-resistive circulation.

Increases in circulation volume

A circulation system as illustrated in Figure 2, solves the problem that arises when you need to increase flow with a non-resistive circulation.

Increasing the circulation volume to an elevated container would increase energy consumption.

Increasing volume by multiplication, will roughly increase the energy usage by the same multiplier when transporting fluid to an elevated container.

This problem is solved by introducing a plurality of circulation units connected in parallel. A non-resistive circulation is performed by a circulation unit, and the efficiency gained by this methodology may be multiplied with a plurality of circulation units connected in parallel. It would be possible to increase pipe-diameters and get similar results, but will limit the maximum elevation limit due to hydrostatic pressure and the weight of water. Elevated hight may be more vital than pipe-diameters.

This method will introduce increases in flow, in a non-resistive manner.

Increasing elevation

An efficient way of creating a non-resistive fluid circulation is illustrated in Figure 3, where it is possible to increase elevation to extreme levels. This is done by connecting a plurality of circulation units in series.

Hydrostatic pressure creates limitations on the elevation, due to limitations on materials and equipment when subjected to high pressure.

This is normally solved by using high-pressure pumps and high-pressure equipment, but this method is a resistive circulation and is inefficient.

By subdividing the pressure-levels into smaller elevations it is possible to obtain a non-resistive circulation of fluid from source container 35 to the elevated container 53, shown in Figure 3.

The circulation system shown in Figure 3, solves the problem with fluid circulation at extreme elevation, by using a plurality of circulation units connected in series.

Means for Solving the Problems

The objective is achieved according to the invention by an apparatus for circulation of fluid to an elevated height as defined in the preamble of claim 1, having the features of the characterising portion of claim 1, and a method for circulation of fluids to an elevated height as defined in the preamble of claim 14, having the features of the characterising portion of claim 14.

A number of non-exhaustive embodiments, variants or alternatives of the invention are defined by the dependent claims.

The present invention attains the above-described objective using a plurality of operations with at least one circulation unit to circulate fluid to an elevated height.

Effects of the Invention

The technical differences over the traditional circulation methods are that least one circulation unit is able to circulate fluid in a non-resistive manner to an elevated container, with improved energy efficiency.

These effects provide in turn several further advantageous effects:

• It makes it possible to increase the number of circulation units and thus increase circulation flow

• It makes it possible to dedicate specific circulation units to specific circulation tasks

• It makes it possible to dedicate specific circulation units to specific fluids with different compositions

• it makes it possible to increase the elevated height of the circulation containers with improved efficiency

Brief Description of the Drawings

The above and further features of the invention are set forth with particularity in the appended claims and together with advantages thereof will become clearer from consideration of the following detailed description of an exemplary embodiment of the invention given with reference to the accompanying drawings.

Figure 1 is an illustration of a circulation system for non-resistive circulation of fluid from a source container to an elevated container

Figure 1A is a detailed illustration of a circulation mechanism, enabling circulation in a circuit

Figure 1B is a detailed illustration of an air evacuation device, evacuating unwanted elements from a circulation system

Figure 1C is a detailed illustration of a collection of pipes creating a conveyor for fluid circulation

Figure 2 is an illustration of a plurality of non-resistive circulation units connected in parallel to increase functionality and enable uninterrupted increased flow

Figure 3 is an illustration of a plurality of non-resistive circulation units connected in series to enable increased elevated height

Figure 4 is an illustration of a variation of a plurality of non-resistive circulation units connected in series to enable increased elevated height

Figure 5 is an illustration of a variation of a non-resistive circulation unit, where the closed containers are submerged to increase maximum elevation limit

Figure 6 is an illustration of a variation of a circulation unit, where the circulation device, pipes and valves form a circulation function between two closed containers Description of the Reference Signs

The following reference numbers and signs refer to the drawings:

Detailed Description

Various aspects of the disclosure are described more fully hereinafter with reference to the accompanying drawings. This disclosure may, however, be embodied in many different forms and should not be construed as limited to any specific structure or function presented throughout this disclosure. Rather, these aspects are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Based on the teachings herein one skilled in the art should appreciate that the scope of the disclosure is intended to cover any aspect of the disclosure disclosed herein, whether implemented independently of or combined with any other aspect of the disclosure. For example, an apparatus may be implemented or a method may be practiced using any number of the aspects set forth herein. In addition, the scope of the disclosure is intended to cover such an apparatus or method which is practiced using other structure, functionality, or structure and functionality in addition to or other than the various aspects of the disclosure set forth herein. It should be understood that any aspect of the disclosure disclosed herein may be embodied by one or more elements of a claim.

Terminology

The exemplary embodiment of this invention is described in connection with the terminology to illustrate that numerous alternatives, modifications and equivalents to the exemplary embodiments are available.

• Circulation comprises all forms of movement or flow with a continual change of place among the constituent particles in a matter in a circuit

• A Circulation Mechanism comprises all forms of mechanisms making circulation possible

• Flow comprises all forms of particles with a continual change of place among the constituent particles in a matter along a path

• A Container comprises all methods for containment of matter

• An elevated container comprises all methods for containment of matter at elevated positions above a zero-reference point

• A Fluid comprises all forms of matter having particles that easily move and change their relative position without a separation of the mass

• A start-stop mechanism comprises all forms of mechanisms that prevents or allows the passage of matter

• A circuit comprises all forms of paths or routes between two or more points in space

• A conveyor comprises all forms circuits for the transportation of matter along a circuit

• Maximum elevation limit, is an elevation limit where fluid in a closed container starts to flow in a downward movement due to limitations in equipment or physical laws

• A non-resistive circulation comprises circulation where the constituent particles in a matter in the circuit is not influenced by gravitational forces • A resistive circulation comprises circulation where the constituent particles in a matter in the circuit is influenced by gravitational forces

• A circulation unit is referring to the invention and the principles forming the basis of the invention in Figure 1

Principles forming the basis of the invention

The invention will be further described in connection with exemplary embodiments which are schematically shown in the drawings.

To simplify the exemplary embodiments, water (sea-water) is used as a fluid.

Similarly, friction forces in the circulation are neglected as resistance in the flow as friction-forces are low compared to the gravitational forces. All start-stop mechanisms throughout the description are specified as valves (ball-valves), and all circulation conveyors are specified as pipes. These mechanisms are most common in circulation systems, and are schematically shown in the drawings.

Figure 1 illustrates a circulation unit used to circulate fluid from container 1 to the closed container 2, when the valve 13 is open, and the valve 14 is closed.

When the circulation mechanism 11 has replaced the fluid in the container 2 with fluid from the source container 1, the valve 14 is opened, and the valve 13 is closed. The circulation device 12 will replace the content of container 2 with fluid in the elevated container 3.

Initially the system is filled with fluid as shown in the illustration and all start-stop mechanisms 13 and 14 are closed and circulation mechanisms 11 and 12 are stopped. In the example shown in Figure 1, the valve 13 and 14 cannot be open at the same time. If valve 13 is opened and valve 14 is closed, the hydraulic system will be at rest without flow from container 2 to the source container 1. Similarly, with valve 13 closed and valve 14 open, the hydraulic system will be at rest without flow from container 2 to the elevated container 3.

The hydrostatic pressure created by the container 2 and the pipes 4 will limit the maximum elevation due to physical limitations on the equipment and physical laws. This limit is specified as the “maximum elevation limit”, where the hydraulic system is not at rest, and fluid will start to flow in a downwards movement. This limit will differ for different fluids, or in different operating conditions.

Figure 1A is a detailed illustration of an axial pump motor 8 and the propeller inside the pipe. This circulation mechanism is enabling circulation between container 2 and container 1. The circulation replaces fluid in the container 2 with fluid from the open container 1 through the input-pipe 9(7) and outputs the fluid through the pipe 10(6). Similarly, the circulation device 12, will enable circulation in the pipes 5, between container 2 and container 3.

If the valve 13 is open, and the circulation mechanism 11 is started the fluid will circulate between the open container 1, and the closed container 2. The hydraulic system was initially at rest, and the circulation mechanism will create a change in pressure that is transmitted undiminished to all points in the fluid. Low pressure circulation is energy-efficient.

Figure 1B is a detailed illustration of an evacuation device 16 removing contaminants 15 that may affect the maximum elevation limit. When the evacuation device 16 removes contaminants 15, it may replace the contaminants with fluid used in the circulation. The evacuation device 16 may separate the inside and the outside of the container 2, so that the closed container 2 is forming a closed system.

Evacuation devices may be placed in other locations with different purposes, depending on what kind of elements is needed to be evacuated from the closed container 2. The preferred operation is to evacuate unwanted elements from the fluid that influences the circulation in negative ways or reduces the maximum elevation limit. In the example shown, the evacuation device 16 is used for evacuation of air 15.

Figure 1C is a detailed illustration of a section of the pipe 4 containing two pipes, circulation input 7 and circulation output 6. In the example shown, the area 8 in the pipes is closed. The hydraulic pressure from the circulation device will be divided equally in areas 6, 7 with opposite values. When the valve 13 is open and the valve 14 is closed, the pipes form a hydraulic circuit at rest, until it is influenced by the force created by the circulation device 11 in Figure 1A.

If an extra circulation device is introduced in the output pipe 10(6), the area 8 in the surrounding pipe 4 may be operated as a differential circuit. If the input pipe 9(7) flow is higher or lower than the output pipe 10(6), the difference is handled by the circuit created by area 8. Any configuration of the pipes is possible as long as the start-stop mechanisms are able to open and close the circulation as intended. Collecting the pipes as shown in Figure 1C, is easier due to traditional start-stop mechanisms like ball-valves.

The location of the pipes inside the closed container 2 is depending on the preferred fluid for circulation, removal of contaminants etc. In the example shown, where water is used as fluid, the extract pipes 5 would be more optimal if they were horizontally positioned on the left side of the closed container 2. Then there would not be any hydrostatic pressure when the valve 13 is closed and valve 14 is open. The pipes 5 could be as short as possible to create a more optimal circulation.

The location of the closed container 2, may be submerged in the fluid in the elevated container 3 (shown in the alternative embodiment in Figure 5, 70). This will simplify the evacuation of contaminants or air, and be more optimal with regards to elevation and circulation. Additionally, the source container could also be a closed container as shown in the alternative embodiment in Figure 5, 69. This optimization may increase maximum elevated height. But the illustrations are exemplary, and the preferred location of pipes and containers, may change if the fluid differs from water, or more optimal circulation parameters are needed.

Figure 2, 3 and 4 is showing how parallelly and serially connected circulation units may be formed. Figure 2 and 3 show the basic circulation unit (Figure 1), connected in parallel and in series. Figure 4 is a variation of the serially connected circulation units in Figure 3.

The parallel connected circulation units will increase flow, while the serially connected circulation units will increase elevation, in a non-resistive manner without reducing the efficiency of the circulation system

Parallelly and serially connected circulation units, may also introduce additional functionality. They may contain fluids of different compositions, and have different locations in the system.

Similarly, containers may represent additional functionality. A plurality of containers may represent fluids with different composition. In the exemplary embodiment, the source container and elevated container are shown as single containers. If they represented a plurality of containers and different circulation units was used in parallel, the functionality of the system may increase considerably. As an example, if contaminants are present in the bottom of one elevated container, a circulation unit could be used to remove the contaminants to a separate closed source container. This is indicating that plurality of functions may be separated by containers and a plurality of parallelly and serially connected circulation units. By using elevated buffer containers 44 (Figure 3), the functionality may be increased further by introducing a plurality of elevated (open or closed) buffer-containers.

The valves 13 and 14, are start-stop mechanisms and may be of any form long as they are able to close the conveyors (pipes), and close the circulation circuit. Due to air in the fluid or other contaminants influencing hydrostatic pressure, the location may as low as possible. Other configurations and embodiments of the number of valves and their location may be envisaged if they increase the maximum elevation limit. The valves could be combined to one start-stop mechanism, with one input in container 2, and two outputs in container 1 and 3, so that one input operates one output. Two separate valves are used to simplify the illustration and the description of the innovation.

Again, it is vital that the system is a closed system. If one of the valves 13 and 14 is open and the other is closed, the system is closed. If both valves 13 and 14 is open at the same time, the system is open, and the fluid will start to flow from the elevated container 3 down to the source container 1. To maintain a hydraulic system at rest, electronic monitoring and control may be implemented. Start-stop mechanisms, circulation mechanisms and evacuation mechanisms may be controlled and monitored electronically. Additionally, sensors to monitor flow in the pipes (4 and 5), and contaminants in the containers (1, 2 and 3) may be implemented to monitor and control the sequences of the circulation units, so that the maximum elevation limit is not affected. The electronic control system must be able to monitor if the system is a closed hydraulic system, to allow a non-resistive circulation and prevent downward flow.

Although the foregoing embodiments have been described in some detail for purposes of clarity of understanding, the invention is not limited to the details provided. There are many alternative ways of implementing the invention. The disclosed embodiments are illustrative and not restrictive.

Best Modes of Carrying Out the Invention

Best mode of operation for a basic circulation unit:

Figure 1 illustrates a non-resistive circulation of fluid from the source container 1 to an elevated container 3.

Prior to operation container 2 and pipes 4 and 5 must be filled with fluid. This may be done by the air evacuation device 16, either by means of a vacuum or a combination of water injection and evacuation through pumping or circulation. All valves are closed and circulation devices are stopped, prior to the operation.

Initially, the valve 13 opens, and the water inside the container 2 and the hydrostatic pressure created by the fluid in the pipes 4 will not allow any flow from the container 2 into the source container 1. This gives us a hydraulic system at rest, where there is no flow from container 2 to the source container 1. Pascal’s law specifies that a change in pressure at any point in an enclosed fluid at rest is transmitted undiminished to all points in the fluid.

The circulation unit shown in Figure 1 may be grouped in circulation circuits for simplification:

• Supply 1, containing the valve 13, the pipes 4 and the circulation device 11 • Extract 1, containing the circulation device 12, the pipes 5 and the valve 14

The circuit is closed when the circulation device is stopped and the valve is closed, and the circuit is open when the circulation device is started and the valve is open. The Supply unit cannot circulate at the same time as an Extract unit, so that the closed container 2 is forming a closed system.

Circulation from the source container 1 to the elevated container 3 is performed by open the Supply unit, and closing the Extract unit. After an optimal circulation, the Supply unit will close and the Extract unit will open. After an optimal circulation the fluid in the elevated container 3 have been replaced by fluid from the closed container 2.

If evacuation of unwanted elements in the container 2 is needed, both Supply and Extract is closed until the evacuation is finished.

The flow in the circulation between the source container 1 and the elevated container 3 is not continuous. The Extract and Supply cannot operate at the same time.

The mechanisms described provides fluid circulation in a non-resistive manner to an elevated height. Energy is only used for circulation, and the resistive motion through the pipes.

Best mode of operation based on a plurality of parallelly connected circulation units:

Figure 2 illustrates how a variation of the invention may increase circulation flow by combining several circulation units (from Figure 1) in parallel.

The system shown may be grouped in circulation circuits for simplification:

• Supply 1, containing the valve 18, the pipes 19 and the circulation device 20 • Extract 1, containing the circulation device 23, the pipes 24 and the valve 25 • Supply 2, containing the valve 26, the pipes 27 and the circulation device 28 • Extract 2, containing the circulation device 31, the pipes 32 and the valve 33

A Supply circuit cannot circulate at the same time as an Extract circuit

• System 1, is containing Supply 1 and Extract 2

• System 2, is containing Supply 2 and Extract 1

The circuit is closed when the circulation device is stopped and the valve is closed, and the circuit is open when the circulation device is started and the valve is open. The Supply unit cannot circulate at the same time as an Extract unit on the same circulation unit, so that the closed containers 21 and 29 are forming a closed system.

To obtain circulation from the source container 17 to the elevated container 34, the parallel operation will create a continuous flow if the elements in System 1 are open, while the elements in System 2 are closed. Similarly, when the elements in System 1 are closed and elements in System 2 are open.

Circulation may represent a dilution of fluids with different purities, and parallelly connected circulation units will spread this effect parallelly.

Adding multiple units in parallel will create uninterrupted increase in flow, in a nonresistive manner. Parallel operations may separate functionalities for each system, if the location, content and purpose of each unit changes.

Best mode of operation based on a plurality of serially connected circulation units:

Figure 3 illustrates a variation of the invention that increases elevation by combining several circulation units in series.

Hydrostatic pressure is a function of the height between the source container and the elevated container. A system of serially connected units will solve any unnecessary increases in hydrostatic pressure. Each serially connected unit will operate below the maximum elevated height.

The system may be grouped in circuits for simplification:

• Supply 1, containing the valve 36, the pipes 37 and the circulation device 38.

• Extract 1, containing the circulation device 41, the pipes 42 and the valve 43.

• Supply 2, containing the valve 45, the pipes 46 and the circulation device 47.

• Extract 2, containing the circulation device 50, the pipes 51 and the valve 52.

The circuit is closed when the circulation device is stopped and the valve is closed, and the circuit is open when the circulation device is started and the valve is open. The Supply unit cannot circulate at the same time as an Extract unit on the same circulation unit, so that the closed containers 39 and 48 are forming a closed system.

The circulation units are connected to an open buffer container 44, and may operate separately. The flow of a serially connected system will be interrupted by the startstop mechanisms.

Circulation may represent a dilution of fluids with different purities. Serially connected circulation units will spread this effect serially.

The configuration will remove problems with high hydrostatic pressure at high elevations. Each serially connected circulation unit will circulate in a non-resistive manner.

Best mode of operation based on a plurality of serially connected circulation units without open buffer containers:

Figure 4 illustrates a variation of the invention that increases elevation by combining several circulation units in series.

The illustration shows that the circulation in one container is depending on the preceding container.

This variation will not need open elevated containers, but each unit is depending on the valve in the succeeding container.

The succeeding valve must be closed for the preceding unit to operate properly.

The system may be grouped in circuits for simplification:

• Supply 1, containing the valve 55, the pipes 56 and the circulation device 57.

• Supply 2, containing the valve 60, the pipes 61 and the circulation device 62.

• Extract 1, containing the circulation device 65, the pipes 66 and the valve 67

The Supply 1 is replacing the fluid in the container 58, with fluid from the source container 54. Supply 2 is closed during this operation.

When Supply 1 is closed, Supply 2 is open and is mixing the fluid in the container 63 with the fluid in container 58. The Extract 1 is stopped during this operation.

The last operation is performed when Supply 2 is stopped, and both Supply 1 and Extract 1 may circulate.

Extract 1 is circulating the content of container 63 with the elevated container 68.

Circulation may represent dilution of fluids with different purities. Serially connected circulation units will spread this effect serially.

The variation does not need elevated open buffer containers, and multiple units may be designed in a serially connected string for fluid circulation to extreme elevated heights.

Best mode of operation based on a plurality of serially and parallelly connected circulation units:

The invention is shown in different embodiments, where the basic unit illustrated by Figure 1, is connected as a plurality of units in series or in parallel in Figure 2, 3 and 4.

A plurality of parallelly and serially connected circulation units, connected by a plurality of containers, are not shown in the illustrations but may be constructed to optimize the functionality further.

In mathematics, serially and parallelly connected devices introduces Boolean algebra, and a plurality of parallelly and serially connected devices may create functions that produces optimal non-resistive circulation to elevated containers in any way or form.

The complexity of operating parallelly and serially circulation units will introduce some form of control system and electronically controlled start-stop sequences. A control system, may monitor the system so that the elevated container stays below maximum elevation limit, to prevent downwards flow from the elevated container to the source container.

The best mode of operation for such a system is similar to the serially and parallelly connected units, but where the functionality is multiplied in a computer-controlled system.

Solving how to perform a non-resistive circulation at elevated height

It has been shown in the exemplary embodiments, that by using principles to establish a hydraulic system at rest and introduce non-resistive circulation, it is possible to circulate of fluids to elevated positions with high efficiency.

The invention is depending on a sequential control of start-stop mechanisms and circulation mechanisms, so that the system forms a closed system for a non-resistive circulation.

Solving how to create an uninterrupted increase in flow

It has been shown in the example, that by connecting non-resistive circulation units in parallel, we have been able to create a non-resistive and non-interrupted increase in flow.

This may solve problems where increases in volume will increase energy consumption linearly, relative to the volume of the fluid.

Solving increases in elevation

It has been shown that by connecting multiple circulation units in series, the elevation may be multiplied with high efficiency.

This may solve problems where increases in height will increase energy consumption linearly, relative to the elevated height.

Alternative Embodiments

A number of variations may be envisaged.

It is envisaged in Figure 5 that the circulation units are submerged in the source container and the elevated container. This creates a closed source container and a closed elevated container, increasing the elevated height limit for the system. This may be advantageous both for small inexpensive systems and systems where it is possible to reduce the number of serially coupled buffer containers to achieve very high elevations with high energy efficiency.

Another variation of the invention is illustrated in Figure 6, where circulation units are connected in series, but without open elevated circulation containers. A serially coupled variation is a cost-efficient variation for circulation to higher elevation.

It is also envisaged in Figure 6 that the start-stop mechanism, circulation mechanism and conveyors are combined to form a transfer function for the circulation between two containers. These may be multiple stacked units so that they form a pipe of containers with transfer functions in between. This is a variation of the serially coupled circulation unit shown in Figure 4.

It is also envisaged that the parallelly and serially connected units may form a plurality of parallelly and serially coupled circulation units, with a plurality of containers. A multitude of parallelly and serially coupled circulation units will in combination create optimal circulation so that the impurities (concentrations) of fluids in different containers will be calculated according to the specified functionality of the total circulation system. In a configuration with multiple circulation units, it may also be envisaged that some circulation unis may circulate fluids with different compositions and with a different purpose than other circulation units.

Industrial Applicability

The invention according to the application finds use in non-resistive circulation in containers at elevated heights, using particularly energy efficient circulation units.

Fish-farming on land and elevated greenhouses are applications that predominantly need energy efficient circulation at elevated heights.

The invention will have many other applications for replacement of fluid in tanks at elevated heights, where the fluid is contaminated or diluted over time, and may be replaced through circulation.

Krav

Claims1. A system for circulating a fluid in a non-resistive manner to elevated height comprising:at least one source container (1, 17, 35),at least one closed container (2, 21, 29, 39, 48), andat least one elevated container (3, 34, 44, 53);wherein the system further comprises:at least one group of source pipes (4, 19, 27, 37, 46) for fluid circulation, operatively connected between the at least one source container and at least one closed container, andat least one group of extract pipes (5, 24, 32, 42, 51) for fluid circulation, operatively connected between the at least one closed container and the at least one elevated container,wherein each group of pipes comprises at least one output pipe (6) and at least one input pipe (7),wherein the system is provided withcirculation mechanisms (11, 12, 20, 23, 28, 31, 38, 41, 47, 50), and start stop mechanisms (13, 14, 18, 25, 26, 33, 36, 43, 45, 52), characterised in that the system achieves non-resistive circulation by circulating through one group of pipes at a time, wherein the gravitational force of the fluid column of an output pipe (6) is substantially equal to the gravitational force of the fluid column of an input pipe (7).2. The system according to claim 1, characterised in further comprising a plurality of circulation units connected in series.3. The system according to claim 1, characterised in further comprising a plurality of circulation units connected in parallel.4. The system according to claim 2-3, characterised in further comprising a plurality of serially and parallelly connected circulation units. 5. The system according to claim 2-4, characterised in further that at least one circulation unit is circulation fluid with a different composition.6. The system according to claim 2-4, characterised in further that at least one circulation unit is circulating fluid in a different location.7. The system according to claim 1, characterised in further comprising at least one elevated container located below the maximum elevation limit.8. The system according to claim 1, characterised in further comprising a plurality of open or closed source containers.9. The system according to claim 1, characterised in further comprising a plurality of open or closed elevated buffer containers.10. The system according to claim 1, characterised in further comprising a plurality of open or closed elevated containers.11. The system according to claim 1, characterised in further comprising at least one evacuation device.12. The system according to claim 1 characterised in further comprising of sensors for monitoring of contaminants.13. The system according to claim 1, characterised in further comprising means for programmed control of the circulation system.14. A method for circulating a fluid in a non-resistive manner to elevated height in a system according to claim 1, comprising:at least one source container (1, 17, 35),at least one closed container (2, 21, 29, 39, 48), and at least one elevated container (3, 34, 44, 53);wherein the system further comprises:at least one group of source pipes (4, 19, 27, 37, 46) for fluid circulation, operatively connected between the at least one source container and at least one closed container, andat least one group of extract pipes (5, 24, 32, 42, 51) for fluid circulation, operatively connected between the at least one closed container and at least one elevated container,the method comprising the steps of circulating through one group of pipes at a time:a) close a start-stop mechanism (14, 25, 33, 43, 52) for the extract pipes, b) open a start-stop mechanism (13, 18, 26, 36, 45) for the source pipes, c) activate a circulation mechanism (11, 20, 28, 38, 47) to circulate fluid in a non-resistive manner through the source pipes,d) close the start-stop mechanism (13, 18, 26, 36, 45) for the source pipes,e) open the start-stop mechanism (14, 25, 33, 43, 52) for the extract pipes,f) activate a circulation mechanism (12, 23, 31, 41, 50) to circulate fluid in a non-resistive manner through the extract pipes. Krav1. Et system for å sirkulere et fluid på en ikke-resistiv måte til en høyere elevasjon:minst en kildebeholder (1, 17, 35),minst en lukket beholder (2, 21, 29, 39, 48), ogminst en elevert beholder (3, 34, 44, 53);hvor systemet ytterligere omfatter:minst en gruppe av kildetransport-kanaler (4, 19, 27, 37, 46) for fluidsirkulasjon, funksjonelt tilkoblet mellom minst en kildebeholder og minst en lukket beholder, ogminst en gruppe av utløpstransport-kanaler (5, 24, 32, 42, 51) for fluidsirkulasjon, funksjonelt tilkoblet mellom minst en lukket beholder og minst en elevert beholder,hvor hver gruppe av transportkanaler er karakterisert vedminst ett utgangsrør (6) ogminst ett inngangsrør (7),hvor systemet er anordnet medsirkulasjons mekanismer (11, 12, 20, 23, 28, 31, 38, 41, 47, 50), og start-stopp mekanismer (13, 14, 18, 25, 26, 33, 36, 43, 45, 52), karakterisert ved at systemet oppnår ikke-resistiv sirkulasjon ved å sirkulere gjennom én gruppe av transportkanaler om gangen, hvor fluidnivået i en utgangskanal (6) er vesentlig lik fluidnivået til inngangskanalen (7) i sirkulasjonskretsen.2. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte flere sirkulasjonsenheter koblet i serie.3. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte flere sirkulasjonsenheter koblet i parallell. 4. Systemet i henhold til krav 2-3, karakterisert ved ytterligere å omfatte flere parallellkoblede og seriekoblede sirkulasjonsenheter.5. Systemet i henhold til krav 2 – 4, karakterisert ved at minst én sirkulasjonsenhet sirkulerer fluid med en annen sammenstilling.6. Systemet i henhold til krav 2-4, er ytterligere karakterisert ved at minst en sirkulasjonsenhet sirkulerer fluid på et annet sted.7. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte minst en elevert beholder lokalisert under den maksimale elevasjonsgrensen.8. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte flere åpne eller lukkede kildebeholdere.9. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte flere åpne eller lukkede buffer-beholdere.10. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte flere åpne eller lukkede eleverte beholdere.11. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte minst en evakuerings enhet.12. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte sensorer for overvåking av forurensninger.13. Systemet i henhold til krav 1, karakterisert ved ytterligere å omfatte midler for programmerbar kontroll av sirkulasjons-systemet.14. En fremgangsmåte for å sirkulere et fluid på en ikke-resistiv måte til en høyere elevasjon i et system i henhold til krav 1, omfattende:minst en kildebeholder (1, 17, 35),minst en lukket beholder (2, 21, 29, 39, 48), ogminst en elevert beholder (3, 34, 44, 53); hvor systemet ytterligere omfatter:minst en gruppe av kildetransport-kanaler (4, 19, 27, 37, 46) for fluidsirkulasjon, funksjonelt tilkoblet mellom minst en kildebeholder og minst en lukket beholder, ogminst en gruppe av utløpstransport-kanaler (5, 24, 32, 42, 51) for fluidsirkulasjon, funksjonelt tilkoblet mellom minst en lukket beholder og minst en elevert beholder,hvor metoden omfatter trinnene for å sirkulere gjennom en gruppe av sirkulasjonskanaler om gangen:a) lukk en start-stopp mekanisme (14, 25, 33, 43, 52) for utgangstransportkanalen,b) åpne en start-stopp mekanisme (13, 18, 26, 36, 45) for inngangstransport kanalen,c) aktiver en sirkulasjons mekanisme (11, 20, 28, 38, 47) for å sirkulere fluid på en ikke-resistiv måte gjennom kildetransport-kanalen,d) lukk en start-stopp mekanisme (13, 18, 26, 36, 45) for inngangstransportkanalen,e) åpne en start-stopp mekanisme (14, 25, 33, 43, 52) for utgangstransportkanalen,f) aktiver en sirkulasjons mekanisme (12, 23, 31, 41, 50) for å sirkulere fluid på en ikke-resistiv måte gjennom utgangstransport-kanalen.
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