CN108821390A - A kind of seawater pressurizing device with pressure energy recycling function - Google Patents
A kind of seawater pressurizing device with pressure energy recycling function Download PDFInfo
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- CN108821390A CN108821390A CN201810852859.3A CN201810852859A CN108821390A CN 108821390 A CN108821390 A CN 108821390A CN 201810852859 A CN201810852859 A CN 201810852859A CN 108821390 A CN108821390 A CN 108821390A
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- China
- Prior art keywords
- seawater
- hydraulic oil
- pressure
- plunger case
- thick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000013535 sea water Substances 0.000 title claims abstract description 91
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 74
- 239000003921 oil Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000001172 regenerating effect Effects 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 12
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000010612 desalination reaction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Abstract
The present invention relates to a kind of seawater pressurizing devices with pressure energy recycling function, and including hydraulic oil plunger case and seawater plunger case arranged in parallel, seawater plunger case is separated into former seawater pressurizing chamber and energy regenerating chamber；The one-way piston bar of hydraulic oil plunger case is connect with the piston rod of seawater plunger case by connecting rod；The piston of hydraulic oil plunger case is classified as no bar oil pocket and has bar oil pocket；Former seawater pressurizing chamber is equipped with former sea intake and high pressure original seawer outlet, and water feeding one-way valve is equipped at former sea intake, is equipped with water one-way valve at high pressure original seawer outlet；Energy regenerating chamber is equipped with high-pressure thick sea intake and low-press thick seawer outlet, and water inlet switch valve is equipped at high-pressure thick sea intake, is equipped with effluent switch valve at low-press thick seawer outlet；High-pressure thick sea intake is connect with the high-pressure thick seawer outlet of reverse osmosis membrane group, and low-press thick seawer outlet is connected with concentrated seawater discharge pipe line.Not only piping connection is succinct by the present invention.And land occupation is small in size, low energy consumption.
Description
Technical field
The present invention relates to a kind of seawater pressurizing devices with pressure energy recycling function, belong to desalination technology neck
Domain.
Background technique
In field of seawater desalination, the separation of ion and hydrone contained in seawater is realized using reverse osmosis membrane,
The pressure for entering seawater in reverse osmosis membrane is asked necessarily to be greater than the osmotic pressure of film, the pressure is usually between 4MPa~6MPa.
When regular seawater is desalinated, as shown in Figure 1, the device for providing high pressure sea water to reverse osmosis membrane includes：High-pressure pump 101, energy regenerating
Device 102 and booster pump 103, this three covering device are also the core equipment of conventional Membrane seawater desalination, and when in use, former seawater is through protecting
The pressurization through high-pressure pump 101 and recuperator 102 enters reverse osmosis membrane group 104 after peace filter 106, carries out sea water desalination.
But three covering device piping connections are complicated, the centrifugal multistage pump multiple centrifugal pump being especially connected when super-tonnage produces water demand using several impellers,
Energy consumption is higher, processing technology is complicated, and land occupation volume is big, is unfavorable for reducing production cost.The output after reverse osmosis membrane filtration
The high concentrated seawater of salt content contains high pressure energy, if direct emission, necessarily will cause great energy dissipation.In order to
Energy consumption is reduced, and reduces the production cost of sea water desalination, the seawater desalination system of reverse osmosis membrane generally can all be furnished with energy
The potential energy of recover recycling concentrated seawater.
Summary of the invention
The invention solves technical problems to be：It provides that a kind of piping connection is succinct, land occupation is small in size, low energy consumption and has and press
The seawater pressurizing device of power energy recovery function.
In order to solve the above-mentioned technical problem, technical solution proposed by the present invention is：One kind having the function of pressure energy recycling
Seawater pressurizing device set in the seawater plunger case including hydraulic oil plunger case and seawater plunger case arranged in parallel
There is piston that cylinder body is separated into former seawater pressurizing chamber and energy regenerating chamber；The hydraulic oil plunger case is equipped with one-way piston bar, should
The end of one-way piston bar and the piston rod of seawater plunger case are affixed by connecting rod；The piston of the hydraulic oil plunger case by its
Being divided into has bar oil pocket without bar oil pocket, equipped with hydraulic oil port B equipped with hydraulic oil port A；
The original seawater pressurizing chamber is equipped with former sea intake and high pressure original seawer outlet, and it is single to be equipped with water inlet at the original sea intake
To valve, it is equipped with water one-way valve at the high pressure original seawer outlet；The energy regenerating chamber is equipped with high-pressure thick sea intake and low
Concentrated seawater outlet is pressed, water inlet switch valve is equipped at the high-pressure thick sea intake, is equipped with water outlet at the low-press thick seawer outlet
Switch valve；The high-pressure thick sea intake is connect with the high-pressure thick seawer outlet of reverse osmosis membrane group, the low-press thick seawer outlet
It is connected with concentrated seawater discharge pipe line；
The seawater pressurizing device has hydraulic oil port A oil inlet, hydraulic oil port B fuel-displaced and the water outlet of the energy regenerating cavity is opened
It closes valve is opened, water inlet switch valve is closed the first working condition and hydraulic oil port A is fuel-displaced, hydraulic oil port B oil inlet and the energy
The second working condition that the effluent switch valve closing of amount recycling cavity, water inlet switch valve are opened.
The present invention at work, when hydraulic oil from hydraulic oil port A into no bar oil pocket, push the work of hydraulic oil plunger case
When plug moves upwards, the effluent switch valve of the energy regenerating cavity is opened, water inlet switch valve is closed, to make the former seawater
Pressurizing chamber sucks former seawater, and concentrated seawater is discharged in the energy regenerating chamber；When the piston of hydraulic oil plunger case runs to hydraulic oil port B
When locating position, stops oil inlet at hydraulic oil port A, be switched to from oil inlet from hydraulic oil port B；When hydraulic oil from hydraulic oil port B into
Enter to there is a bar oil pocket, when pushing hydraulic oil plunger case piston moves downward, the water inlet switch valve of the energy regenerating chamber opened,
Effluent switch valve is closed, so that the former seawater pressurizing chamber is made to pressurize former seawater, the energy regenerating chamber recycling high-pressure thick sea
The potential energy of water；When the piston of hydraulic oil plunger case runs to the position at hydraulic oil port A, stops oil inlet at hydraulic oil port B, cut
It changes to from oil inlet from hydraulic oil port A.The above process loops back and forth like this.
The invention has the beneficial effects that：The present invention is used in anti-using the seawater pressurizing device of integrated energy recycling function
It permeates in Membrane seawater desalination, this set of device is with regard to high-pressure pump, the energy in alternative conventional reverse osmosis method seawater desalination system
Measure recover and booster pump.Using the device compared with conventional device, the piping connection of seawater desalination system, energy can be simplified
The rate of recovery is higher, and energy consumption is lower, can effectively reduce the production cost of sea water desalination.In addition, because every suit integrated energy recycles
The seawater pressurizing device seawater import and export of function is equipped with check valve, and therefore, two sets even cover the device more and can directly use
Piping connection is got up, and every suit all works independently, and is independent of each other.Water outlet can exponentially be increased using the combined method of more sets
Amount reduces the fluctuation of high pressure sea water pressure, is conducive to the batch production of product.
If hydraulic oil plunger case with it is coaxially arranged above and below seawater plunger case, entire length is larger, and concentricity requires high, adds
Work, assembly technology are more demanding, and equipment installation increased costs, operability difficulty increase, while bringing maintenance dismounting
Difficult problem.Hydraulic oil plunger case is located at sustained height with seawater plunger case and is placed in parallel in the present invention, substantially reduces whole
Hydraulic oil plunger case and seawater plunger case can be reduced to shortest length, transporter by body height, and occupied area is suitable, when transport
Just；It is good to maintain property convenient for disassembly and assembly, and processes, assembly technology for hydraulic oil plunger case and the complete separable assembled of seawater plunger case
Simply, production cost significantly reduces, and installation cost is greatly reduced；Based on above-mentioned advantage, the present invention can suitably increase seawater column
The stroke of plug cylinder reduces the commutation frequency of compression motion, keeps output high pressure sea water pressure, flow more stable, is conducive to protect
Reverse osmosis membrane group service performance and complete equipment service life are demonstrate,proved, life period of an equipment maintenance cost is reduced.
The further improvement of above-mentioned technical proposal is：It further include the guiding device of guide post and guide slide composition, it is described
The guiding device direction of motion and the axis of seawater plunger case are placed in parallel.The guide post and connecting rod are rigidly connected, and lead at this time
It is fixed to slideway；Or the guide post is fixed, guide slide and connecting rod are rigidly connected.
The further improvement of above-mentioned technical proposal is：There are two the seawater plunger cases and upper and lower coaxially arranged, described
Hydraulic ram cylinders at least there are two and be arranged parallel.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is the schematic illustration of existing offer high pressure sea water device.
Fig. 2 is the schematic illustration of the embodiment of the present invention.
Fig. 3 is a kind of schematic illustration of improvement embodiment of Fig. 2.
Fig. 4 is the schematic illustration that Fig. 2 another kind improves embodiment.
Specific embodiment
Embodiment
The present embodiment as shown in Fig. 2, the present embodiment the seawater pressurizing device with pressure energy recycling function, including phase
Mutual hydraulic oil plunger case 1 and seawater plunger case 2 disposed in parallel have two groups of hydraulic oil plunger cases 1 and one group of seawater plunger in Fig. 2
Cylinder 2, naturally it is also possible to use more multiple groups hydraulic oil plunger case 1.
Piston 21 is equipped in the seawater plunger case 2, and cylinder body is separated into former seawater pressurizing chamber 22 and energy regenerating chamber 23；
The hydraulic oil plunger case 1 is equipped with one-way piston bar 11, and the end of the one-way piston bar 11 and the piston rod of seawater plunger case 2 are logical
It is affixed to cross connecting rod 3, connecting rod 3 is preferably vertically arranged with hydraulic oil plunger case 1, seawater plunger case 2；The hydraulic oil piston
The piston 14 of cylinder 1 is classified as having bar oil pocket 13 without bar oil pocket 12, equipped with hydraulic oil port B equipped with hydraulic oil port A.
Preferably, increase the guiding device of guide post 4 and the composition of guide slide 5, the guide post 4 and 2 rigidity of connecting rod
Connection, the axis of the guide slide 5 and seawater plunger case 2 are placed in parallel.
The original seawater pressurizing chamber 22 is equipped with former sea intake and high pressure original seawer outlet, is equipped at the original sea intake
Water feeding one-way valve 31 is equipped with water one-way valve 32 at the high pressure original seawer outlet；The energy regenerating chamber 23 is equipped with high-pressure thick
Sea intake and low-press thick seawer outlet are equipped with water inlet switch valve 33, the low pressure concentrated seawater at the high-pressure thick sea intake
Exit is equipped with effluent switch valve 34；The high-pressure thick sea intake is connect with the high-pressure thick seawer outlet of reverse osmosis membrane group, institute
Low-press thick seawer outlet is stated to be connected with concentrated seawater discharge pipe line.
The seawater pressurizing device has hydraulic oil port A oil inlet, the hydraulic oil port B fuel-displaced and the energy regenerating cavity goes out
Taps valve is opened, water inlet switch valve is closed the first working condition and hydraulic oil port A is fuel-displaced, hydraulic oil port B oil inlet and institute
State the effluent switch valve closing of energy regenerating cavity, the second working condition that water inlet switch valve is opened.
At work, when hydraulic oil from hydraulic oil port A into no bar oil pocket, push the piston of hydraulic oil plunger case upward
When movement, the effluent switch valve of the energy regenerating cavity is opened, water inlet switch valve is closed, to make the former seawater pressurizing chamber
Former seawater is sucked, concentrated seawater is discharged in the energy regenerating chamber；When the piston of hydraulic oil plunger case runs to position at hydraulic oil port B
When, stop oil inlet at hydraulic oil port A, is switched to from oil inlet from hydraulic oil port B；When hydraulic oil has entered from hydraulic oil port B
Bar oil pocket pushes hydraulic oil plunger case when piston moves downward, and the water inlet switch valve of the energy regenerating chamber is opened, water outlet is opened
Valve is closed to close, so that the former seawater pressurizing chamber is made to pressurize former seawater, the gesture of the energy regenerating chamber recycling high pressure concentrated seawater
Energy；When the piston of hydraulic oil plunger case runs to the position at hydraulic oil port A, at hydraulic oil port B stop oil inlet, be switched to from
Oil inlet at hydraulic oil port A.Above process is repeated, can continue to carry out sea water desalination.
When the piston of hydraulic oil plunger case runs to the position at hydraulic oil port A, stops oil inlet at hydraulic oil port B, cut
It changes to from oil inlet from hydraulic oil port A, and when position at the piston of hydraulic oil plunger case runs to hydraulic oil port B, hydraulic oil
Stop oil inlet at mouth A, being switched to from oil inlet from hydraulic oil port B is the prior art, is repeated no more.
Other than embodiment as shown in Figure 2, the possible variation of the present embodiment has：
1）The guiding device that guide post 4 and guide slide 5 form is optional, the axis of the guide slide and seawater plunger case
It is arranged in parallel.There are two types of set-up modes for guiding device, and one is the guide posts and connecting rod to be rigidly connected, the guide slide
It is fixed；Another kind is that the guide slide and connecting rod are rigidly connected, and the guide post is fixed.
2）A hydraulic oil plunger case 1 and a mutually matched combination of seawater plunger case 2 can be used, it can also be with
A hydraulic oil plunger case 1 and two mutually matched combinations of seawater plunger case 2 are used as shown in Figure 3.
3）It can also be used as needed as shown in figure 4, using upper and lower two coaxially arranged seawater plunger cases 1, by liquid
Compression leg plug cylinder 2 drive combination, the hydraulic ram cylinders 2 at least there are two and be arranged parallel.At this point, can will be oriented to
Column 4 is fixed, and guide slide and connecting rod 3 is affixed, slides guide slide along guide post 4.
The present invention is not limited to the above embodiment the specific technical solution, and in addition to the implementation, the present invention may be used also
To there is other embodiments.For those skilled in the art, all within the spirits and principles of the present invention, made
The technical solution of the formation such as what modification, equivalent replacement, improvement, should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of seawater pressurizing device with pressure energy recycling function, it is characterised in that：Including liquid arranged in parallel
Oil pressure plunger cylinder and seawater plunger case, the seawater plunger case is interior to be separated into former seawater pressurizing chamber and energy for cylinder body equipped with piston
Reclaiming chamber；The hydraulic oil plunger case is equipped with one-way piston bar, the end of the one-way piston bar and the piston rod of seawater plunger case
It is affixed by connecting rod；
The piston of the hydraulic oil plunger case is classified as having bar without bar oil pocket, equipped with hydraulic oil port B equipped with hydraulic oil port A
Oil pocket；
The original seawater pressurizing chamber is equipped with former sea intake and high pressure original seawer outlet, and it is single to be equipped with water inlet at the original sea intake
To valve, it is equipped with water one-way valve at the high pressure original seawer outlet；The energy regenerating chamber is equipped with high-pressure thick sea intake and low
Concentrated seawater outlet is pressed, water inlet switch valve is equipped at the high-pressure thick sea intake, is equipped with water outlet at the low-press thick seawer outlet
Switch valve；The high-pressure thick sea intake is connect with the high-pressure thick seawer outlet of reverse osmosis membrane group, the low-press thick seawer outlet
It is connected with concentrated seawater discharge pipe line；
The seawater pressurizing device has hydraulic oil port A oil inlet, hydraulic oil port B fuel-displaced and the water outlet of the energy regenerating cavity is opened
It closes valve is opened, water inlet switch valve is closed the first working condition and hydraulic oil port A is fuel-displaced, hydraulic oil port B oil inlet and the energy
The second working condition that the effluent switch valve closing of amount recycling cavity, water inlet switch valve are opened.
2. the seawater pressurizing device according to claim 1 with pressure energy recycling function, it is characterised in that：Further include
The guiding device of guide post and guide slide composition, the guide post and connecting rod are rigidly connected, the guide slide and seawater
The axis of plunger case is arranged in parallel, and the guide slide is fixed.
3. the seawater pressurizing device according to claim 1 with pressure energy recycling function, it is characterised in that：Further include
The guiding device of guide post and guide slide composition, the guide slide and connecting rod are rigidly connected, the guide slide and sea
The axis of water column plug cylinder is arranged in parallel, and the guide post is fixed.
4. the seawater pressurizing device according to claim 1 with pressure energy recycling function, it is characterised in that：The sea
Water column plug cylinder there are two and it is upper and lower coaxially arranged, the hydraulic ram cylinders at least there are two and be arranged parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852859.3A CN108821390A (en) | 2018-07-30 | 2018-07-30 | A kind of seawater pressurizing device with pressure energy recycling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852859.3A CN108821390A (en) | 2018-07-30 | 2018-07-30 | A kind of seawater pressurizing device with pressure energy recycling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108821390A true CN108821390A (en) | 2018-11-16 |
Family
ID=64152270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810852859.3A Pending CN108821390A (en) | 2018-07-30 | 2018-07-30 | A kind of seawater pressurizing device with pressure energy recycling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108821390A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050207922A1 (en) * | 2004-03-16 | 2005-09-22 | Masayuki Hosokawa | Pump apparatus |
| CN102838186A (en) * | 2012-07-31 | 2012-12-26 | 朱荣辉 | Membrane seawater desalination pressurization and energy recovery integrated method and device |
| CN202968276U (en) * | 2012-12-18 | 2013-06-05 | 江苏汉盛海洋装备技术有限公司 | Seawater secondary desalinating system with energy recovery device |
| CN105883977A (en) * | 2016-06-28 | 2016-08-24 | 林惠鹏 | Energy recycling small seawater desalting plant matched with plunger pumps |
| CN108176227A (en) * | 2018-03-21 | 2018-06-19 | 上海坤释流体科技有限公司 | A kind of energy recovery pump and its application for reverse osmosis water treatment system |
-
2018
- 2018-07-30 CN CN201810852859.3A patent/CN108821390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050207922A1 (en) * | 2004-03-16 | 2005-09-22 | Masayuki Hosokawa | Pump apparatus |
| CN102838186A (en) * | 2012-07-31 | 2012-12-26 | 朱荣辉 | Membrane seawater desalination pressurization and energy recovery integrated method and device |
| CN202968276U (en) * | 2012-12-18 | 2013-06-05 | 江苏汉盛海洋装备技术有限公司 | Seawater secondary desalinating system with energy recovery device |
| CN105883977A (en) * | 2016-06-28 | 2016-08-24 | 林惠鹏 | Energy recycling small seawater desalting plant matched with plunger pumps |
| CN108176227A (en) * | 2018-03-21 | 2018-06-19 | 上海坤释流体科技有限公司 | A kind of energy recovery pump and its application for reverse osmosis water treatment system |
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