CN203308664U - Magnetic control type energy recovery pump for reverse osmosis sea water desalinating system - Google Patents
Magnetic control type energy recovery pump for reverse osmosis sea water desalinating system Download PDFInfo
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- CN203308664U CN203308664U CN2013202366386U CN201320236638U CN203308664U CN 203308664 U CN203308664 U CN 203308664U CN 2013202366386 U CN2013202366386 U CN 2013202366386U CN 201320236638 U CN201320236638 U CN 201320236638U CN 203308664 U CN203308664 U CN 203308664U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to a magnetic control type energy recovery pump for reverse osmosis sea water desalinating system. The magnetic control type energy recovery pump comprises a piston (1), a piston rod (2), a magnetic ring (3), a cylinder (4), a connecting base (5), an end cover (6) and a pull rod (9). The connecting base (5) is arranged in the middle of the cylinder (4) to divide the cylinder (4) into a left cylinder and a right cylinder. The piston (1) comprises a left piston body and a right piston body, wherein the left piston body is arranged in the left cylinder, and the right piston body is positioned in the right cylinder. The two ends of the piston rod (2) penetrate through the connecting base (5) to be respectively connected with the left piston body and the right piston body. Compared with the prior art, the magnetic control type energy recovery pump has the advantages of being simple in structure, easy to maintain, low in cost, low in energy consumption, capable of measuring flow and the like. The magnetic control type energy recovery pump can be applied to sea water desalination and can be also applied to other water treating systems for desalinating brackish water and treating water with high salt content.
Description
Technical field
The utility model relates to a kind of energy recovery pump, especially relates to a kind of magnet controlled energy recovery pump for reverse osmosis seawater desalination system.
Background technique
China has been in serious water resources deficiency state, and the situation of lack of water has also been put into effect " the strictest water resources management system " for this situation China also in going from bad to worse.Desalination technology, as the important means of alleviating the water resources shortage, has been subject to increasing attention.In numerous desalination technologies, hyperfiltration, because cost is lower, has progressively become market mainstream technological means.
Reverse-osmosis Seawater Desalination Technology is to utilize high-pressure service pump that raw material seawater is pressurizeed, make its pressure reach reverse osmosis operation pressure 5.0～7.0MPa (different depending on seawater salinity), then the seawater after making to pressurize flows to the reverse osmosis membrane in reverse osmosis membrane device, its part sees through reverse osmosis membrane becomes fresh water, and another part becomes brine and discharges.Because pressure in brine is still very high, if be not used, one ton of needed power consumption of fresh water of every product is more than 10KW.h.
Adopt in early days the seawater desalination system of hyperfiltration for reducing product water power consumption per ton, adopted the method that improves the front pressure of reverse osmosis membrane more.But this method is subject to the highest restriction of bearing pressure, depositing the poorly soluble salt limit recovery rate, the concentration polarization limit recovery rate and high-pressure service pump lift of reverse osmosis membrane, and power consumption still rests on more than 8KW.h.The eighties in 20th century Energy Recovery Technology adopted in a large number, it adopts is to reverse pump and Pei Erdun impeller type energy recycle device, it can effectively reclaim the energy in discarded high pressure sea water, thereby power consumption is reduced greatly; Later stage has been developed again hydraulic turbine type energy recycle device, and a ton water power consumption is further reduced; Along with fluid, directly contact in recent years the development of positive displacement technology, take piston type merit exchanger and rotary pressure exchanger reaches more than 90% as the energy recycle device energy recovery efficiency of new generation of representative, thereby the power consumption of one ton of fresh water of every product is reduced to below 4KW.h.
The piston type merit exchanger type of skill adopted at present has three kinds.The first is isobaric switch type, is the homalographic piston as the DWEER type piston type merit exchanger of A Keling company, and the former water pressure in making the dense water pressure of exchanger inner high voltage and entering chamber equates, thereby realizes the recoverable purpose of pressure; The second is the switch type that boosts, the boost type energy recovering device of developing as Tianjin desalination of sea water and comprehensive utilizating research is the single-piston rod piston, high-pressure thick water acts on piston-rodless one side and former water has acted on the piston rod one side, thereby make the dense water pressure of former water pressure higher pressure high, realized that energy reclaims and the effect of supercharging; The third is the differential pressure switch type, and as the Clark pump of U.S. Spactra company, it is connected that it is similar to two single-piston rod piston cylinders, reaches the purpose of energy recovery and supercharging by utilizing high-pressure section piston area product moment and low-pressure section pressure difference.In above three kinds of technology, first two need to be used high-pressure service pump, does not have the function of suction booster; Therefore the third do not need to use high-pressure service pump owing to having from function of increasing pressure, can be referred to as energy recovery pump.
Differential pressure switch type energy recovery pump, owing to need not using high-pressure service pump, so system cost can reduce greatly, has very large market potential.But differential pressure switch type energy recovery pump is water pressing control at present, in section's runner, is provided with on function the parts that are similar to control valve within it, thereby make its structure comparatively complicated; And it adopts welded structure mostly, and maintainalbility is poor, and cost is higher simultaneously.
Summary of the invention
The purpose of this utility model be exactly in order to overcome the defect that above-mentioned prior art exists, provide a kind of simple in structure, be easy to safeguard, cost is low, energy consumption the is low magnet controlled energy recovery pump for reverse osmosis seawater desalination system.
The purpose of this utility model can be achieved through the following technical solutions: a kind of magnet controlled energy recovery pump for reverse osmosis seawater desalination system, comprise piston, piston rod, magnet ring, cylinder barrel, connect pedestal, end cap, pull bar, described connection pedestal is arranged in the middle of cylinder barrel, cylinder barrel is divided into to left side cylinder barrel and right side cylinder barrel, described piston comprises left hand piston and right hand piston, wherein left hand piston is placed in the cylinder barrel of left side, right hand piston is placed in the cylinder barrel of right side, described piston rod two ends are passed the connection pedestal and are connected respectively left hand piston and right hand piston, described magnet ring is arranged on piston or piston rod, described end bracket enclosed is connected to the cylinder barrel two ends, described cylinder barrel, connect pedestal, end cap is fastenedly connected by pull bar.
Described end cap comprises left side end cap and right side end cap, and the left side end cap is connected to the cylinder barrel left end, and the right side end cap is connected to the cylinder barrel right side, all by seal ring, seals.
Described cylinder barrel all seals by seal ring with connecting between pedestal and piston.
Between described piston and piston rod, by bolton, be provided with the mounting hole of installing for pull bar on described end cap, connection pedestal, pull bar is from passing rear employing fastening nuts mounting hole.
Described magnet ring comprises left side magnet ring and right side magnet ring, is arranged on respectively left hand piston or right hand piston bottom or end face, or is arranged on piston rod.Be that magnet ring is installed on the piston shell of column; Can be installed on piston shell of column, piston end surface and piston rod with magnetic patch or other form.
Described piston, connect pedestal and end cap cylinder barrel is divided into to four sealed chamber: between left side end cap and left hand piston, form the first chamber, left hand piston forms the second chamber with connecting between pedestal, connect between pedestal and right hand piston and form the 3rd chamber, between right hand piston and right side end cap, form the 4th chamber, wherein left-hand end covers and is provided with the first passage that is communicated with external pipe and the first chamber, connect the pedestal bottom and be provided with the second channel that is communicated with the second chamber and external pipe, connect pedestal top and be provided with the third channel that is communicated with external pipe and the 3rd chamber, right-hand end covers and is provided with the four-way that is communicated with the 4th chamber and external pipe.
The passage that described left side end cap is communicated with the first chamber is provided with one at least, and right-hand end covers the passage that is communicated with the 4th chamber and is provided with at least one, connects the passage that is communicated with the second chamber on pedestal and is provided with at least one, and the passage that is communicated with the 3rd chamber is provided with one at least.On each end cap, be provided with a passage, connect on pedestal and be provided with two passes; But also can realize identical function by multichannel is set.On each end cap, a passage is connected with two one-way valves; But also can with every one-way valve, be connected by the two or more pieces passage.
Described reverse osmosis seawater desalination system comprises seawater pond a, external sea water pump, one-way valve a, one-way valve b, one-way valve c, one-way valve d, reverse osmosis membrane assembly, fresh-water pool and external magnetic control gear, described seawater pond connects the external sea water pump, the water outlet of described external sea water pump is divided into two-way by pipeline, wherein a road connects one-way valve a successively, after one-way valve b, connect reverse osmosis membrane assembly, another road is connected reverse osmosis membrane assembly after connecting successively one-way valve d and one-way valve c, reverse osmosis membrane assembly connects fresh-water pool b, wherein, one-way valve a, pipeline between one-way valve b is provided with the arm that is communicated with first passage, between one-way valve c and one-way valve d, be provided with the arm that is communicated with four-way, reverse osmosis membrane assembly connects respectively second channel and third channel by the external magnetic control gear.
Described external magnetic control gear comprises microprocessor unit, two-position four-way valve, magnetic inductor a and magnetic inductor b, described microprocessor unit connects respectively two-position four-way valve, magnetic inductor a and magnetic inductor b, described two-position four-way valve connects respectively reverse osmosis membrane assembly, second channel, third channel and seawater pond b, and described magnetic inductor a and magnetic inductor b respond to respectively the piston position signal of the magnet ring output be arranged on piston.
Described two-position four-way valve adopts three-position four-way valve or two two-position three-way valves that can realize identical function to replace; With the contact with sea water part material that uses, be the material of seawater corrosion resistance, except magnet ring, all the other materials are without the remanent magnetism material.Water in described seawater pond (13) is seawater or brackish water or the high water of other salinity.
The signal that described reverse osmosis seawater desalination system can send by magnetic inductor a and magnetic inductor b, calculate turn around time; And by each cavity volume divided by turn around time, calculate respectively the charging seawater flow, discharge the poor of seawater flow and both, namely produce water flow.
The material that uses is the material of seawater corrosion resistance, and except magnet ring, all the other materials are without the remanent magnetism material.
Said apparatus not only can be for reverse osmosis seawater desalination system, also can be for brackish water desalination and other high water treatment systems of salt content.
In order to reach the purpose of above-mentioned simplified structure, the present invention utilizes magnetic signal to carry out the control of differential pressure type energy recovery pump, and the internal control function is converted to outside, simplifies most thereby make energy reclaim pump structure.When piston moved to the limit on the left position left, the external magnetic control gear was sensed the magnetic signal that left magnet ring sends, the right commutation control logic program in flip flop equipment, and piston moves right after namely commutating; And when piston moved right to the limit on the right-right-hand limit position, the external magnetic control gear was sensed the magnetic signal that right magnet ring sends, the left commutation control logic program in flip flop equipment, realize the piston backward left movement that namely commutates; Thereby realize shuttling movement.Obviously in body structure of the present invention, there do not is fluid control elements, thereby structure is simplified greatly.
For reaching the purpose that maintenance is good, between the left and right cylinder barrel of the present invention and left and right end cap, left and right cylinder barrel with connect between pedestal, piston rod all adopts seal ring sealing with connecting between pedestal; Between left and right piston and piston rod, adopt and be threaded, adopt nut to fix; Left and right end cap and connection pedestal are provided with the mounting hole of installing for pull bar, and pull bar is from passing rear employing bolton hole.All elements like this all are highly susceptible to dismounting, for ease of maintenaince.
Compared with prior art, the utility model is simple in structure, for ease of maintenaince, so the utility model cost is lower.The reverse osmosis seawater desalination system provided due to the utility model simultaneously is to utilize the pressure energy of low pressure seawater and the pressure energy of high-pressure thick salt solution to come together to order about piston movement with magnet controlled energy recovery pump, make the pressure of raw material seawater can directly be promoted to reverse osmosis membrane entrance operation pressure, when therefore this energy recovery pump is for reverse osmosis seawater desalination system, only need be equipped with a raw material seawater raw water service pump with low delivery pressure drives, without suction booster and high-pressure service pump are set specially, so system cost is very low; And the reverse osmosis seawater desalination system that the utility model provides with the energy recovery rate of magnet controlled energy recovery pump up to more than 90%, so the energy consumption of system is lower, directly reduced user cost.In addition, the signal owing to adopting reverse osmosis seawater desalination system of the present utility model to send by magnetic inductor a and magnetic inductor b, calculate turn around time; And by each cavity volume divided by turn around time, calculate respectively the charging seawater flow, discharge the poor of seawater flow and both, namely produce water flow, therefore can save the expense of three flowmeters of configuration and related accessories thereof.
The accompanying drawing explanation
A kind of magnet controlled energy recovery pump external structure schematic diagram for reverse osmosis seawater desalination system that Fig. 1 provides for the utility model;
A kind of magnet controlled energy recovery pump internal structure sectional view for reverse osmosis seawater desalination system that Fig. 2 provides for the utility model;
The reverse osmosis seawater desalination system schematic diagram of a kind of magnet controlled energy recovery pump for reverse osmosis seawater desalination system of the utility model is installed provides is provided Fig. 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figures 1 to 3, a kind of magnet controlled energy recovery pump for reverse osmosis seawater desalination system, comprise piston 1, piston rod 2, magnet ring 3, cylinder barrel 4, connect pedestal 5, end cap 6, pull bar 9, described connection pedestal 5 is arranged in the middle of cylinder barrel 4, cylinder barrel 4 is divided into to left side cylinder barrel and right side cylinder barrel, described piston 1 comprises left hand piston and right hand piston, wherein left hand piston is placed in the cylinder barrel of left side, right hand piston is placed in the cylinder barrel of right side, described piston rod 2 two ends are passed connection pedestal 5 and are connected respectively left hand piston and right hand piston, on left hand piston and right hand piston, be equipped with magnet ring 3, be that left magnet ring is set on left hand piston, right magnet ring is set on right hand piston, described end cap 6 is sealedly connected on cylinder barrel 4 two ends, described end cap 6 comprises left side end cap and right side end cap, the left side end cap is connected to cylinder barrel 4 left ends, the right side end cap is connected to cylinder barrel 4 right sides, all by seal ring, seal, between described cylinder barrel 4 and end cap 6, seal by seal ring 12, between piston 1 and cylinder barrel 4, seal by seal ring 11, cylinder barrel 4 with connect between pedestal 5 by seal ring 10 sealings, between described piston 1 and piston rod 2, pass through bolton, described end cap 6, connect on pedestal 5 and be provided with the mounting hole of installing for pull bar 9, pull bar 9 is from passing rear employing fastening nuts mounting hole, by pull bar 9 by cylinder barrel 4, connect pedestal 5, end cap 6 is fastenedly connected, described piston 1, connect pedestal 5 and end cap 6 cylinder barrel 4 is divided into to four sealed chamber: between left side end cap and left hand piston, form the first chamber, left hand piston forms the second chamber with connecting between pedestal 5, connect between pedestal 5 and right hand piston and form the 3rd chamber, between right hand piston and right side end cap, form the 4th chamber, wherein left-hand end covers and is provided with the first passage 27 that is communicated with external pipe and the first chamber, connect pedestal 5 bottoms and be provided with the second channel 28 that is communicated with the second chamber and external pipe, connect pedestal 5 tops and be provided with the third channel 29 that is communicated with external pipe and the 3rd chamber, right-hand end covers and is provided with the four-way 30 that is communicated with the 4th chamber and external pipe.
Described reverse osmosis seawater desalination system comprises seawater pond a13, external sea water pump 14, one-way valve a15, one-way valve b16, one-way valve c17, one-way valve d18, reverse osmosis membrane assembly 19, fresh-water pool 21 and external magnetic control gear 24, described seawater pond 13 connects external sea water pump 14, the water outlet of described external sea water pump 14 is divided into two-way by pipeline, wherein a road connects one-way valve a15 successively, after one-way valve b16, connect reverse osmosis membrane assembly 19, another road is connected reverse osmosis membrane assembly 19 after connecting successively one-way valve d18 and one-way valve c17, reverse osmosis membrane assembly 19 connects fresh-water pool b21, wherein, one-way valve a15, pipeline between one-way valve b16 is provided with the arm that is communicated with first passage, between one-way valve c17 and one-way valve d18, be provided with the arm that is communicated with four-way, reverse osmosis membrane assembly 19 connects respectively second channel and third channel by external magnetic control gear 24, described external magnetic control gear 24 comprises microprocessor unit 26, two-position four-way valve 25, magnetic inductor a22 and magnetic inductor b23, described microprocessor unit 26 connects respectively two-position four-way valve 25, magnetic inductor a22 and magnetic inductor b23, described two-position four-way valve 25 connects respectively reverse osmosis membrane assembly 19, second channel, third channel and seawater pond b20, described magnetic inductor a22 and magnetic inductor b23 respond to respectively the piston position signal of the magnet ring output be arranged on piston, except magnet ring, all the other materials are without the remanent magnetism material.
As shown in Figure 3, a kind of magnet controlled energy recovery pump for reverse osmosis seawater desalination system provided by the invention comprise by outside one-way valve be connected in the low pressure raw water inlet water intake, by the external magnetic control gear be connected in the seawater desalination system drain opening drain opening, by the external magnetic control gear, be connected in the recovery mouth of pressure vessel for reverse osmosis high-pressure thick water waterexit end and the boost port that is connected in the reverse osmosis membrane feed-water end by outside one-way valve.Piston is during to left movement, and it is water intake that right-hand end covers outside opening, and it is boost port that left-hand end covers outside opening, and connecting the top outside opening of pedestal is floss hole, connects pedestal outside opening on the lower for reclaiming mouthful; When piston moved right, it was water intake that left-hand end covers outside opening, and it is boost port that right-hand end covers outside opening, and connecting pedestal outside opening on the lower is floss hole, connected the top outside opening of pedestal for reclaiming mouth.
Below the reverse osmosis seawater desalination system that the utility model is installed provides is described by the reverse osmosis seawater desalination system working procedure of magnet controlled energy recovery pump:
When needs utilize reverse osmosis seawater desalination system shown in Figure 3 to carry out desalination of sea water, at first utilize sea water pump 14 by the raw material seawater in the a13 of seawater pond through one-way valve a15, in the first chamber that first passage 27 is incorporated into the left side end cap is connected, make it to become water-inlet cavity, raw material seawater, through one-way valve c18, is incorporated in the 4th chamber be connected with the right side end cap by four-way 30, meanwhile, the high-pressure thick salt solution of being discharged by reverse osmosis membrane assembly 19 is entered in the 3rd chamber that connects pedestal 5 right sides by the third channel 29 that connects pedestal 5 tops through two-position four-way valve 25, makes it to become recovery chamber, raw material seawater in water-inlet cavity and the high-pressure thick seawater in recovery chamber are jointly as power source and pushing piston 1 moves to the right, the low-press thick seawater that makes to connect in pedestal 5 left side the second chambers is disposed in the b20 of concentrated seawater pond through second channel 28, two-position four-way valve 25, becomes discharge chamber, seawater in the 4th chamber be connected with the right side end cap is pressurized to reverse osmosis membrane assembly 19 operation pressures, becomes booster cavity, high pressure sea water enters in reverse osmosis membrane assembly 19 by one-way valve d17, and a part of seawater becomes fresh water by reverse osmosis membrane assembly 19 and drains in fresh-water pool 21, and a part becomes high-pressure thick salt solution, flows back in pump through two-position four-way valve 25, recycles, when right piston moves to limit position, external magnetic control gear 24 senses by magnetic sensor 23 magnetic signal that right magnet ring sends, left commutation control logic program in flip flop equipment, it is controlled two-position four-way valve 25 and carries out switch operation, after this piston reverses direction motion, when left piston moves to limit position, external magnetic control gear 24 senses by Magnetic Induction device 22 magnetic signal that left magnet ring sends, right commutation control logic program in flip flop equipment, it is controlled two-position four-way valve 25 and carries out switch operation, after this piston reverses direction motion, thereby realize shuttling movement, said process carries out back and forth realizing that the pressure energy of reverse osmosis seawater desalination system mesohigh brine reclaims, thereby reach the purpose that reduces the reverse osmosis seawater desalting energy consumption.
Piston rod is listed to the equilibrium of forces equation as follows:
P
Water inlet* A
Cylinder-P
Fall and put* (A
Cylinder-A
Axle)+P
Reclaim* (A
Cylinder-A
Axle)-P
Axial compression* A
Cylinder=0
According to the reverse osmosis membrane characteristic, know that P reclaims ≈ P supercharging, P releases ≈ 0bar (gauge pressure), approximate can drawing:
P
Water inlet* A
Cylinder=P
Supercharging* A
Axle
With at P
Water inlet=10bar, A
Cylinder/ A
Axle=4 (be 100mm as cylinder diameter, the diameter of axle is 25mm) are example, P now
Water inlet* A
Cylinder=P
Supercharging* A
Axle=40bar.
Because its supercharging principle is rely on to reclaim high-pressure thick seawater energy, so it has energy-conservation effect, and its efficiency from recovered energy the high-pressure thick seawater is generally more than 90%.
Described left side magnet ring and right side magnet ring are arranged on respectively left hand piston or right hand piston end face, the passage that described left side end cap is communicated with the first chamber is provided with two, after two passes all connects one-way valve a15 or after being connected to one-way valve a15, one-way valve b16, the passage that described right side end cap is communicated with the 4th chamber is provided with two, after two passes all connects one-way valve d18 or after being connected to one-way valve d18 and one-way valve c17, connect the passage that is communicated with the second chamber on pedestal and be provided with two, the passage that is communicated with the 3rd chamber is provided with two.
All the other are with embodiment 1.
Described left side magnet ring is arranged on the piston rod that connects left hand piston, the right side magnet ring is arranged on the piston rod that connects right hand piston, to survey the position of left hand piston and right hand piston, the passage that described left side end cap is communicated with the first chamber is provided with three, the passage that described right side end cap is communicated with the 4th chamber is provided with three, connect the passage that is communicated with the second chamber on pedestal and be provided with three, the passage that is communicated with the 3rd chamber is provided with three.All the other are with embodiment 1.
Said apparatus is processed for brackish water desalination.
Embodiment 4
Described magnet ring is the magnetic patch shape.All the other are with embodiment 1.
Claims (10)
1. magnet controlled energy recovery pump for reverse osmosis seawater desalination system, it is characterized in that, comprise piston (1), piston rod (2), magnet ring (3), cylinder barrel (4), connect pedestal (5), end cap (6), pull bar (9), described connection pedestal (5) is arranged in the middle of cylinder barrel (4), cylinder barrel (4) is divided into to left side cylinder barrel and right side cylinder barrel, described piston (1) comprises left hand piston and right hand piston, wherein left hand piston is placed in the cylinder barrel of left side, right hand piston is placed in the cylinder barrel of right side, described piston rod (2) two ends are passed connection pedestal (5) and are connected respectively left hand piston and right hand piston, described magnet ring (3) is arranged on piston (1) or piston rod (2), described end cap (6) is sealedly connected on cylinder barrel (4) two ends, described cylinder barrel (4), connect pedestal (5), end cap (6) is fastenedly connected by pull bar (9).
2. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 1, it is characterized in that, described end cap (6) comprises left side end cap and right side end cap, the left side end cap is connected to cylinder barrel (4) left end, the right side end cap is connected to cylinder barrel (4) right side, all by seal ring, seals.
3. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 1, is characterized in that, described cylinder barrel (4) all seals by seal ring with connecting between pedestal (5) and piston (1).
4. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 1, it is characterized in that, between described piston (1) and piston rod (2), pass through bolton, on described end cap (6), connection pedestal (5), be provided with the mounting hole of installing for pull bar (9), pull bar (9) is from passing rear employing fastening nuts mounting hole.
5. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 1, it is characterized in that, described magnet ring (3) comprises left side magnet ring and right side magnet ring, is arranged on respectively left hand piston or right hand piston bottom or end face, or is arranged on piston rod.
6. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 1, it is characterized in that, described piston (1), connect pedestal (5) and end cap (6) cylinder barrel (4) is divided into to four sealed chamber: between left side end cap and left hand piston, form the first chamber, left hand piston forms the second chamber with connecting between pedestal (5), connect between pedestal (5) and right hand piston and form the 3rd chamber, between right hand piston and right side end cap, form the 4th chamber, wherein left-hand end covers and is provided with the first passage (27) that is communicated with external pipe and the first chamber, connect pedestal (5) bottom and be provided with the second channel (28) that is communicated with the second chamber and external pipe, connect pedestal (5) top and be provided with the third channel (29) that is communicated with external pipe and the 3rd chamber, right-hand end covers and is provided with the four-way (30) that is communicated with the 4th chamber and external pipe.
7. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 6, it is characterized in that, the passage that described left side end cap is communicated with the first chamber is provided with one at least, right-hand end covers the passage that is communicated with the 4th chamber and is provided with at least one, connect the upper passage that is communicated with the second chamber of pedestal (5) and be provided with at least one, the passage that is communicated with the 3rd chamber is provided with one at least.
8. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 6, it is characterized in that, described reverse osmosis seawater desalination system comprises seawater pond a (13), external sea water pump (14), one-way valve a (15), one-way valve b (16), one-way valve c (17), one-way valve d (18), reverse osmosis membrane assembly (19), fresh-water pool (21) and external magnetic control gear (24);
Described seawater pond (13) connects external sea water pump (14), the water outlet of described external sea water pump (14) is divided into two-way by pipeline, wherein a road connects one-way valve a (15) successively, after one-way valve b (16), connect reverse osmosis membrane assembly (19), another road connects one-way valve d (18) and the rear reverse osmosis membrane assembly (19) that is connected of one-way valve c (17) successively, reverse osmosis membrane assembly (19) connects fresh-water pool b (21), wherein, one-way valve a (15), pipeline between one-way valve b (16) is provided with the arm that is communicated with first passage (27), between one-way valve c (17) and one-way valve d (18), be provided with the arm that is communicated with four-way (30), reverse osmosis membrane assembly (19) connects respectively second channel (28) and third channel (29) by external magnetic control gear (24).
9. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 8, it is characterized in that, described external magnetic control gear (24) comprises microprocessor unit (26), two-position four-way valve (25), magnetic inductor a (22) and magnetic inductor b (23), described microprocessor unit (26) connects respectively two-position four-way valve (25), magnetic inductor a (22) and magnetic inductor b (23), described two-position four-way valve (25) connects respectively reverse osmosis membrane assembly (19), second channel, third channel and seawater pond b (20), described magnetic inductor a (22) and magnetic inductor b (23) respond to respectively the piston position signal of the magnet ring output be arranged on piston.
10. the magnet controlled energy recovery pump for reverse osmosis seawater desalination system according to claim 9, is characterized in that, described two-position four-way valve (25) adopts three-position four-way valve or two two-position three-way valves to replace; With the contact with sea water part material that uses, be the material of seawater corrosion resistance, except magnet ring, all the other materials are without the remanent magnetism material; Water in described seawater pond (13) is seawater or brackish water or the high water of other salinity.
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| CN2013202366386U CN203308664U (en) | 2013-05-03 | 2013-05-03 | Magnetic control type energy recovery pump for reverse osmosis sea water desalinating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131956A (en) * | 2013-05-03 | 2014-11-05 | 上海航天动力科技工程有限公司 | Magnetic control type energy recovery pump for reverse osmosis seawater desalination system |
| CN107686145A (en) * | 2016-08-05 | 2018-02-13 | 深圳市优美环境治理有限公司 | Desalinization boost energy retracting device |
-
2013
- 2013-05-03 CN CN2013202366386U patent/CN203308664U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131956A (en) * | 2013-05-03 | 2014-11-05 | 上海航天动力科技工程有限公司 | Magnetic control type energy recovery pump for reverse osmosis seawater desalination system |
| CN107686145A (en) * | 2016-08-05 | 2018-02-13 | 深圳市优美环境治理有限公司 | Desalinization boost energy retracting device |
| CN107686145B (en) * | 2016-08-05 | 2021-01-29 | 深圳市优美环境治理有限公司 | Seawater desalination boosting energy recovery device |
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