CN103191642A - Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system - Google Patents
Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system Download PDFInfo
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- CN103191642A CN103191642A CN2013100995725A CN201310099572A CN103191642A CN 103191642 A CN103191642 A CN 103191642A CN 2013100995725 A CN2013100995725 A CN 2013100995725A CN 201310099572 A CN201310099572 A CN 201310099572A CN 103191642 A CN103191642 A CN 103191642A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The invention discloses a pressure exchange cylinder and a valve-control pressure exchanger for a reverse osmosis desalting system. At least two hydraulic pressure exchange channels are arranged in a cylinder body; each hydraulic pressure exchange channel can communicate a raw water port with a thick water port; the valve-control pressure exchanger is formed by connecting at least two pressure exchange cylinders in parallel; the raw water port of each pressure exchange cylinder is connected with a low-pressure raw water inlet one-way valve and a high-pressure raw water outlet one-way valve which are connected in parallel; the thick water ports of the pressure exchange cylinders are all commonly connected to a reversing valve; and the pressure exchange cylinders are provided with sensors at the raw water ports. By adopting the valve-control pressure exchanger, the pressure of the high-pressure thick water can be directly transmitted to the low-pressure raw water, and the energy recovering efficiency reaches 90% or more; meanwhile, the synchronous control is achieved by the one-way valves and the reversing valve, and the alternative boosting of the pressure exchange cylinders is achieved; the mixing degree of thick water and raw water in contact with each other can be greatly reduced, the volume use ratio is improved, and the mixing volume is about 20-30% of the volume of the hydraulic pressure channels.
Description
Technical field
The present invention relates to a kind of energy recycle device, specifically, relate to a kind of pressure exchanger for seawater and bitter impervious desalination system, belong to the Work-exchange type energy and reclaim type.
Background technology
The strong brine that impervious desalination system is discharged has very high pressure, can not cause about 60% energy dissipation if do not utilize, and the technology that counter-infiltration system strong brine overbottom pressure can be recycled is the energy recovery technology.Present energy recycle device mainly contains two types, hydraulic turbine formula and Work-exchange type.Wherein, Work-exchange type energy recovery technology is by interface or spacer, directly the pressure of high-pressure thick water is passed to the charging seawater, only needs through " pressure energy-pressure energy " step power conversion, and energy recovery efficiency can be up to 90-97%.
At present, the Work-exchange type energy recovery device of using in the impervious desalination system is mainly valve-regulated pressure exchanger and rotator type pressure exchanger two classes.Valve-regulated pressure exchanger by two or more hydraulic cylinder parallel connections, is isolated into dense water and two chambers of fresh water by " entity piston " in the hydraulic cylinder, and by reversal valve control hydraulic cylinder in parallel, supercharging hockets; Entity piston volume is relatively large, and in the moment that reversal valve switches, pressure and flowed fluctuation appear in regular meeting.The rotator type pressure exchanger is representative with the PX energy recycle device of U.S. ERI company, high-pressure thick water promotes not have the rotation of axle ceramic rotor, by " fluid column piston " direct supercharging charging seawater, realize the continous-stable supercharging, and device volume is less, but has the mixed problem of raw material seawater and strong brine.Above-mentioned two kinds of pressure exchangers respectively have its advantage and defective.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multichannel pressure-exchange cylinder, simultaneously in conjunction with the supercharging mode of rotator type pressure exchanger and the reversing mode of valve-regulated pressure exchanger, a kind of impervious desalination system that is applicable to is provided, can promote the former seawater pressure of low pressure, realize the valve governor pressure interchanger that energy reclaims.
In order to solve the problems of the technologies described above, the present invention is achieved by following technical scheme:
A kind of pressure-exchange cylinder for impervious desalination system comprises cylinder body, and described cylinder interior is provided with at least two hydraulic pressure interchange channels, and each described hydraulic pressure interchange channel can be connected the described former mouth of a river and described concentrated water spout.
Described hydraulic pressure interchange channel can be separated by the channel plate that is fixed on described inboard wall of cylinder block.
Described hydraulic pressure interchange channel also can constitute by being arranged at two tube channel between the gripper shoe, and two described gripper shoes lay respectively at described cylinder body two ends and are fixed in described inboard wall of cylinder block.
Preferably, the length of described hydraulic pressure interchange channel is 0.1m～20m.
Preferably, the sectional area ratio of single described hydraulic pressure interchange channel and described cylinder body is 0.001～0.5.
The arrangement mode of a plurality of described hydraulic pressure interchange channel is arrangement mode arbitrarily such as annular array, rectangular array or honey-comb shape array.
A kind of valve governor pressure interchanger for impervious desalination system, comprise above-mentioned pressure-exchange cylinder, described pressure-exchange cylinder adopts at least two parallel connections, the described former mouth of a river of each described pressure-exchange cylinder is connected with the former water water inlet check valve of low pressure in parallel and the former water of high pressure goes out water one-way valve, the described concentrated water spout of all described pressure-exchange cylinders is connected with reversal valve jointly, and described pressure-exchange cylinder is provided with sensor in its position, described former mouth of a river.
When described pressure-exchange cylinder adopts two when in parallel, described reversal valve adopts two position switching valves, described two position switching valve inside are provided with two pistons that link to each other with piston rod, and are provided with a high-pressure thick water inlet, two low-press thick water outlets and two connectors that are connected with the described concentrated water spout of described pressure-exchange cylinder.
Described sensor is pressure transmitter, online conductivity meter or online salinity transmitter etc.
The invention has the beneficial effects as follows:
(1) pressure-exchange cylinder of the present invention does not need to arrange the entity piston in the cylinder body, directly by " fluid column piston " pressure of high-pressure thick water can be directly passed to the former water of low pressure, and energy recovery efficiency is up to more than 90%;
(2) valve governor pressure interchanger of the present invention utilizes check valve and reversal valve Synchronization Control, realizes the alternately supercharging of pressure-exchange cylinder, and there is certain phase difference in a plurality of pressure-exchange cylinders when work, can reduce pressure and the flowed fluctuation of water inlet and water outlet;
(3) pressure-exchange cylinder interior of the present invention is provided with a plurality of long, thinner hydraulic pressure interchange channels, can significantly reduce the dense water that is in contact with one another and the degree of mixing of former water, and improve capacity utilization, mixes the 20%-30% that volume is about the hydraulic channel volume;
(4) the present invention arranges online conductivity meter in the former mouth of a river of pressure-exchange cylinder one side, monitors, feeds back and regulate and control motion state and the position of piston at any time, in order to whole device is carried out the optimization debugging.
Description of drawings
Fig. 1 is the overall structure longitudinal sectional drawing of valve governor pressure interchanger provided by the present invention;
Fig. 2 is the longitudinal sectional drawing of pressure-exchange cylinder provided by the present invention;
Fig. 3 is the transverse cross-sectional view of pressure-exchange cylinder provided by the present invention;
Wherein, the annular array hydraulic pressure interchange channel of Fig. 3 (a) expression employing tube channel mode; The annular array hydraulic pressure interchange channel that the channel plate mode is adopted in Fig. 3 (b) expression; The honey-comb shape array hydraulic pressure interchange channel that the channel plate mode is adopted in Fig. 3 (c) expression;
Fig. 4 is that first of valve governor pressure interchanger provided by the present invention uses state diagram;
Fig. 5 is that second of valve governor pressure interchanger provided by the present invention uses state diagram.
Among the figure: 1: the second former water water inlet of low pressure check valve; The former water of high pressure went out water one-way valve in 2: the second;
3: the first former water water inlet of low pressure check valves; The former water of high pressure went out water one-way valve in 4: the first;
5: the first pressure-exchange cylinders;
5-1: the first former mouth of a river; 5-2: the first online conductivity meter; 5-3: first gripper shoe; 5-4: first passage pipe;
5-5: second gripper shoe; 5-6: first concentrated water spout; 5-7: channel plate;
6: two position switching valves;
6-1: electric energy drive unit; 6-2: the first low-press thick water out; 6-3: first piston; 6-4: piston rod;
6-5: high-pressure thick water inlet; 6-6: second piston; 6-7: the second low-press thick water out;
7: the second pressure-exchange cylinders;
7-1: the second former mouth of a river; 7-2: the second online conductivity meter; 7-3: the 3rd gripper shoe; 7-4: second channel pipe;
7-5: the 4th gripper shoe; 7-6: second concentrated water spout;
8: the former water of low pressure; 9: supply-water pump; 10: high-pressure pump; 11: booster pump; 12: reverse osmosis membrane assembly; 13: the product water tank.
The specific embodiment
The present invention is described in further detail below by specific embodiment, and following examples can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.
Present embodiment is that example describes with the valve governor pressure interchanger that two pressure-exchange cylinders are set, and two pressure-exchange cylinders are referred to as the first pressure-exchange cylinder 5 and the second pressure-exchange cylinder 7 respectively, and correspondingly reversal valve adopts two position switching valves 6.
As shown in Figure 1, the multiple valve governor pressure interchanger of present embodiment comprises the first pressure-exchange cylinder 5 identical and in parallel and the second pressure-exchange cylinder 7.
The first pressure-exchange cylinder, 5 two ends are respectively arranged with the first former mouth of a river 5-1 and the first concentrated water spout 5-6, inside is distributed with a plurality of cross sections equably and is the first circular hydraulic pressure interchange channel, and each first hydraulic pressure interchange channel can be connected the first former mouth of a river 5-1 and the first concentrated water spout 5-6.The first hydraulic pressure interchange channel is formed by first passage pipe 5-4, the two ends of first passage pipe 5-4 are connected on the first gripper shoe 5-3 and the second gripper shoe 5-5, the first gripper shoe 5-3 and the second gripper shoe 5-5 are connected on the inboard wall of cylinder block at the first pressure-exchange cylinder, 5 two ends, shown in Fig. 3 (a).The connected mode of first passage pipe 5-4 and the first gripper shoe 5-3, the second gripper shoe 5-5, the connected mode of the first gripper shoe 5-3, the second gripper shoe 5-5 and inboard wall of cylinder block can adopt welding, expanded joint, welded and rolled tube joint and use etc.
The first hydraulic pressure interchange channel is preferably designed as long and thinner, and length is at least 0.1m, is good with 0.1m～20m; The sectional area ratio preferred design of the first hydraulic pressure interchange channel and the first pressure-exchange cylinder, 5 cylinder bodies is in 0.001～0.5 scope.The design length of the first hydraulic pressure interchange channel is more long, and capacity utilization is more high; And the first hydraulic pressure interchange channel is more little with the ratio of the sectional area of the first pressure-exchange cylinder, 5 cylinder bodies, and length of mixing is more short.Therefore the first hydraulic pressure interchange channel is preferably designed as length and thinner, can obviously increase the capacity utilization of passage, reduces the degree of mixing of dense water and former water simultaneously.For example, the internal diameter of the first pressure-exchange cylinder 5 can be taken as 250mm, annular array is adopted in the first hydraulic pressure interchange channel of inner 12 circles that evenly distribute, and the length of each first hydraulic pressure interchange channel is taken as 2.0m, and internal diameter is taken as 50mm.
The cross sectional shape of the first hydraulic pressure interchange channel can also be square polygon and other shapes of waiting except circle; Various arrangement modes such as annular array, rectangular array or honey-comb shape array can be adopted in a plurality of first hydraulic pressure interchange channels, as shown in Figure 3.As long as any channel shape and the arrangement mode that the first pressure-exchange cylinder 5 can be separated all can constitute technical scheme of the present invention, finish beneficial effect of the present invention.
Shown in Fig. 2 and Fig. 3 (b), Fig. 3 (c), the first hydraulic pressure interchange channel can also adopt the channel plate 5-7 that is fixed on the first pressure-exchange cylinder, 5 inwalls directly to be separated, the two ends of channel plate 5-7 and the first pressure-exchange cylinder, 5 cylinder bodies have spacing, thereby each first hydraulic pressure interchange channel can be connected the first former mouth of a river 5-1 and the first concentrated water spout 5-6.
Similarly, the second pressure-exchange cylinder, 7 two ends are respectively arranged with the second former mouth of a river 7-1 and the second concentrated water spout 7-6, inside is distributed with a plurality of cross sections equably and is the second circular hydraulic pressure interchange channel, and each second hydraulic pressure interchange channel can be connected the second former mouth of a river 7-1 and the second concentrated water spout 7-6.The second hydraulic pressure interchange channel is formed by second channel pipe 7-4, the two ends of second channel pipe 7-4 are connected on the 3rd gripper shoe 7-3 and the 4th gripper shoe 7-5, and the 3rd gripper shoe 7-3 and the 4th gripper shoe 7-5 are connected on the inboard wall of cylinder block at the second pressure-exchange cylinder, 7 two ends.The connected mode of the second pressure-exchange cylinder, 7 inner each parts is identical with the first pressure-exchange cylinder 5 with designing requirement, repeats no more herein.
Again as shown in Figure 1, the first pressure-exchange cylinder 5 is connected with the former water of first low pressure water inlet check valve 3 and the former water of first high pressure goes out water one-way valve 4 at the first former mouth of a river 5-1, the former water water inlet check valve 3 of first low pressure and the former water of first high pressure go out water one-way valve 4 parallel connections, all adopt sealing setting.The former water 8 of the former water of first low pressure water inlet check valve 3 control low pressure can only enter the former water of the first pressure-exchange cylinder, 5, the first high pressure by the first former mouth of a river 5-1 and go out the former water of water one-way valve 4 control high pressure and can only discharge from the first pressure-exchange cylinder 5 through the first former mouth of a river 5-1.
The second pressure-exchange cylinder 7 is connected with the former water of second low pressure water inlet check valve 1 and the former water of second high pressure goes out the former water water inlet check valve 1 of water one-way valve 2, the second low pressure and the former water of second high pressure goes out water one-way valve 2 parallel connections at the second former mouth of a river 7-1, all adopts sealing setting.The former water 8 of the former water of second low pressure water inlet check valve 1 control low pressure can only enter the former water of the second pressure-exchange cylinder, 7, the second high pressure by the second former mouth of a river 7-1 and go out the former water of water one-way valve 2 control high pressure and can only discharge from the second pressure-exchange cylinder 7 through the second former mouth of a river 7-1.
Be provided with the first online conductivity meter 5-2 between the first former mouth of a river 5-1 of the first pressure-exchange cylinder 5 and the first gripper shoe 5-3; Be provided with the second online conductivity meter 7-2 between the second former mouth of a river 7-1 of the second pressure-exchange cylinder 7 and the 3rd gripper shoe 7-3.The first online conductivity meter 5-2 is arranged near the optional position of the first former mouth of a river 5-1 as sensor; The second online conductivity meter 7-2 is arranged near the optional position of the second former mouth of a river 7-1 as sensor.Sensor herein can be pressure transmitter, online conductivity meter or online salinity transmitter etc., to reach the purpose of monitoring at any time.
The first pressure-exchange cylinder 5 is connected with two position switching valves 6 by the second concentrated water spout 7-6 by the first concentrated water spout 5-6, the second pressure-exchange cylinder 7.Two position switching valves 6 drive commutation by electric energy drive unit 6-1, and inside is provided with first piston 6-3 and the second piston 6-6 that is connected with piston rod 6-4, and the junction between first piston 6-3, the second piston 6-6 and the valve pocket is equipped with hermetically-sealed construction.The centre position of two position switching valves, 6 outsides is provided with a high-pressure thick water inlet 6-5, and upper-lower position is respectively arranged with the first low-press thick water out 6-2 and the second low-press thick water out 6-7.
When valve governor pressure interchanger arranged a plurality of pressure-exchange cylinder, correspondingly reversal valve adopted the multidigit reversal valve.Multidigit reversal valve inside is provided with the multidigit piston, and is provided with the connector that a high-pressure thick water inlet, a plurality of low-press thick water outlets identical with pressure-exchange cylinder quantity and concentrated water spout a plurality of and the pressure-exchange cylinder are connected.By control multidigit reversal valve, can make each pressure-exchange cylinder be in out of phase, cooperatively interact, realize circularly-supercharged.
Below in conjunction with Fig. 4 and Fig. 5 the typical impervious desalination system technological process that valve governor pressure interchanger of the present invention is installed is described:
The former water 8 of low pressure is divided into two-way after being pressurizeed by supply-water pump 9, one route high-pressure pump 10 enters reverse osmosis membrane assembly 12, and the former water water inlet check valve 3 of another route first low pressure or the former water water inlet of second low pressure check valve 1 enter the first pressure-exchange cylinder 5 or the second pressure-exchange cylinder 7.Former water is after reverse osmosis membrane assembly 12 desalinations, and output fresh water enters product water tank 13, and the dense water of residual high pressure then enters pressure exchanger by high-pressure thick water inlet 6-5 and carries out the energy recovery.
When electric energy drive unit 6-1 transfers to position one with two position switching valves 6, as shown in Figure 4, the first concentrated water spout 5-6 of the first pressure-exchange cylinder 5 is connected with high-pressure thick water inlet 6-5, and the second concentrated water spout 7-6 of the second pressure-exchange cylinder 7 is connected with the second low-press thick water outlet 6-7.High-pressure thick water enters into the first pressure-exchange cylinder 5 by the first concentrated water spout 5-6, promotes the former water of low pressure to left movement in the first hydraulic pressure interchange channel, realizes the direct exchange of energy.After the former water supercharging, go out water one-way valve 4 by the first former mouth of a river 5-1 and the former water of first high pressure and discharge, further rise to operating pressure through booster pump 11, converge with the water outlet of high-pressure pump 10, enter reverse osmosis membrane assembly 12 more together.Simultaneously, the former water of low pressure enters the second pressure-exchange cylinder 7 by the former water water inlet of second low pressure check valve 1 and moves right in the second hydraulic pressure interchange channel, promotes the low-press thick seawater and discharges system through the second concentrated water spout 7-6 and concentrated water discharge mouth 6-7.
When the conductivity value of the first online conductivity meter 5-2 detection in the first pressure-exchange cylinder 5 reaches setting value, signal is provided for electric energy drive unit 6-1 by control system, electric energy drive unit 6-1 makes two position switching valves 6 transfer to position two, as shown in Figure 5, the second concentrated water spout 7-6 of the second pressure-exchange cylinder 7 is connected with high-pressure thick water inlet 6-5, and the first concentrated water spout 5-6 of the first pressure-exchange cylinder 5 is connected with the first low-press thick water outlet 6-2.At this moment, high-pressure thick water is by high-pressure thick water inlet 6-5, enter into the second pressure-exchange cylinder 7 through the second concentrated water spout 7-6, in the second hydraulic pressure interchange channel, promote the former water of low pressure to left movement, after the former water supercharging from the second former mouth of a river 7-1, go out water one-way valve 2 and booster pump 11 through the former water of second high pressure, enter reverse osmosis membrane assembly 12.Simultaneously, the former water of low pressure enters the first pressure-exchange cylinder 5 by the former water water inlet of first low pressure check valve 3, moves right in the first hydraulic pressure interchange channel, promotes the low-press thick seawater and discharges system through the first concentrated water spout 5-6 and the first low-press thick water outlet 6-2.
When the conductivity value of the second online conductivity meter 7-2 detection in the second pressure-exchange cylinder 7 reaches setting value, signal is provided for electric energy drive unit 6-1 by control system, make two position switching valves 6 transfer to position one, carry out new round supercharging.Said process hockets, and can realize the recycling of high-pressure thick water overbottom pressure energy.
The conductivity setpoint of the first online conductivity meter 5-2, the second online conductivity meter 7-2 during according to actual motion the conductivity variations situation set.
Although by reference to the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, these all belong within protection scope of the present invention.
Claims (9)
1. pressure-exchange cylinder that is used for impervious desalination system, comprise the cylinder body that is provided with the former mouth of a river and concentrated water spout, it is characterized in that described cylinder interior is provided with at least two hydraulic pressure interchange channels, each described hydraulic pressure interchange channel can be connected the described former mouth of a river and described concentrated water spout.
2. a kind of pressure-exchange cylinder for impervious desalination system according to claim 1 is characterized in that described hydraulic pressure interchange channel is separated by the channel plate that is fixed on described inboard wall of cylinder block.
3. a kind of pressure-exchange cylinder for impervious desalination system according to claim 1, it is characterized in that, described hydraulic pressure interchange channel constitutes by being arranged at two tube channel between the gripper shoe, and two described gripper shoes lay respectively at described cylinder body two ends and are fixed in described inboard wall of cylinder block.
4. a kind of pressure-exchange cylinder for impervious desalination system according to claim 1 is characterized in that the length of described hydraulic pressure interchange channel is 0.1m～20m.
5. a kind of pressure-exchange cylinder for impervious desalination system according to claim 1 is characterized in that the sectional area ratio of single described hydraulic pressure interchange channel and described cylinder body is 0.001～0.5.
6. a kind of pressure-exchange cylinder for impervious desalination system according to claim 1 is characterized in that, the arrangement mode of a plurality of described hydraulic pressure interchange channel is annular array, rectangular array or honey-comb shape array.
7. valve governor pressure interchanger that is used for impervious desalination system, it is characterized in that, comprise each described pressure-exchange cylinder as claim 1-6, described pressure-exchange cylinder adopts at least two parallel connections, the described former mouth of a river of each described pressure-exchange cylinder is connected with the former water water inlet check valve of low pressure in parallel and the former water of high pressure goes out water one-way valve, the described concentrated water spout of all described pressure-exchange cylinders is connected with reversal valve jointly, and described pressure-exchange cylinder is provided with sensor in its position, described former mouth of a river.
8. a kind of valve governor pressure interchanger for impervious desalination system according to claim 7, it is characterized in that, described pressure-exchange cylinder adopts two parallel connections, described reversal valve adopts two position switching valves, described two position switching valve inside are provided with two pistons that link to each other with piston rod, and are provided with a high-pressure thick water inlet, two low-press thick water outlets and two connectors that are connected with the described concentrated water spout of described pressure-exchange cylinder.
9. a kind of valve governor pressure interchanger for impervious desalination system according to claim 7 is characterized in that, described sensor is pressure transmitter, online conductivity meter or online salinity transmitter.
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| CN201310099572.5A CN103191642B (en) | 2013-03-26 | 2013-03-26 | Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system |
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| CN201310099572.5A CN103191642B (en) | 2013-03-26 | 2013-03-26 | Pressure exchange cylinder and valve-control pressure exchanger for reverse osmosis desalting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104096480A (en) * | 2014-08-08 | 2014-10-15 | 乾通环境科技(苏州)有限公司 | High-efficiency low-energy-consumption high-concentration device and method for material liquid processing |
| CN104229939A (en) * | 2014-09-19 | 2014-12-24 | 北京工业大学 | Recovering device for liquid pressure energy based on piston type liquid switcher |
| CN104310621A (en) * | 2014-10-12 | 2015-01-28 | 张志雄 | Hoop clutch shaft silicon carbide aluminum alloy island drinking water extraction appliance |
| CN108915972A (en) * | 2018-07-25 | 2018-11-30 | 中煤科工集团重庆研究院有限公司 | Plunger type two-cavity pressure potential energy exchange recovery system and method |
| CN109340023A (en) * | 2018-11-26 | 2019-02-15 | 西安交通大学 | A kind of interior rotary-type pressure energy recyclable device with partition plate structure of runner |
| CN115400593A (en) * | 2022-09-22 | 2022-11-29 | 自然资源部天津海水淡化与综合利用研究所 | Combined energy recovery device for seawater desalination and working method |
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| CN101125693A (en) * | 2007-07-10 | 2008-02-20 | 浙江大学 | Hydraulic pressure type double-piston single-cylinder pressure exchange energy reclaiming device |
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| CN1721047A (en) * | 2005-06-17 | 2006-01-18 | 国家海洋局杭州水处理技术研究开发中心 | Energy-saving reverse osmosis treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104096480A (en) * | 2014-08-08 | 2014-10-15 | 乾通环境科技(苏州)有限公司 | High-efficiency low-energy-consumption high-concentration device and method for material liquid processing |
| CN104096480B (en) * | 2014-08-08 | 2016-04-27 | 乾通环境科技(苏州)有限公司 | The high power enrichment facility of high efficiency low energy consumption and the method for feed liquid process thereof |
| CN104229939A (en) * | 2014-09-19 | 2014-12-24 | 北京工业大学 | Recovering device for liquid pressure energy based on piston type liquid switcher |
| CN104229939B (en) * | 2014-09-19 | 2015-10-28 | 北京工业大学 | A kind of fluid pressure energy retracting device based on piston type liquid switch |
| CN104310621A (en) * | 2014-10-12 | 2015-01-28 | 张志雄 | Hoop clutch shaft silicon carbide aluminum alloy island drinking water extraction appliance |
| CN104310621B (en) * | 2014-10-12 | 2016-08-24 | 张志雄 | A kind of clip clutch shaft carborundum aluminium alloy island drinking-water instrument for extracting |
| CN108915972A (en) * | 2018-07-25 | 2018-11-30 | 中煤科工集团重庆研究院有限公司 | Plunger type two-cavity pressure potential energy exchange recovery system and method |
| CN109340023A (en) * | 2018-11-26 | 2019-02-15 | 西安交通大学 | A kind of interior rotary-type pressure energy recyclable device with partition plate structure of runner |
| CN115400593A (en) * | 2022-09-22 | 2022-11-29 | 自然资源部天津海水淡化与综合利用研究所 | Combined energy recovery device for seawater desalination and working method |
| CN115400593B (en) * | 2022-09-22 | 2024-05-10 | 自然资源部天津海水淡化与综合利用研究所 | Combined energy recovery device for sea water desalination and working method |
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