CN202201738U - Energy recovery device for seawater desalination equipment - Google Patents
Energy recovery device for seawater desalination equipment Download PDFInfo
- Publication number
- CN202201738U CN202201738U CN2011203079784U CN201120307978U CN202201738U CN 202201738 U CN202201738 U CN 202201738U CN 2011203079784 U CN2011203079784 U CN 2011203079784U CN 201120307978 U CN201120307978 U CN 201120307978U CN 202201738 U CN202201738 U CN 202201738U
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- China
- Prior art keywords
- seawater
- rotating shaft
- outlet
- inlet
- pressurizing chamber
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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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- Separation Using Semi-Permeable Membranes (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses an energy recovery device for seawater desalination equipment, comprising a high-pressure pump and a membrane filter and further comprising a recovery cavity, a pressurized cavity, a rotating shaft, impellers and a spiral propelling core. A hole is arranged between the recovery cavity and the pressurized cavity; the rotating shaft penetrates through the hole in a sealing way and is provided with a first part and a second part, wherein the first part is arranged in the recovery cavity, and the second part is arranged in the pressurized cavity; the impellers are coaxially and fixedly connected with the first part of the rotating shaft; the spiral propelling core is coaxially and fixedly connected with the second part of the rotating shaft; the recovery cavity is provided with a high-pressure seawater inlet and a seawater outlet; the pressurized cavity is provided with a raw seawater inlet and a pressurized seawater outlet; the high-pressure pump is provided with a pressurizing inlet and a pressurizing outlet, wherein the pressurizing inlet is communicated with the pressurized seawater outlet; and the membrane filter is provided with a filtering inlet, a high-pressure seawater outlet and a freshwater outlet, wherein the filtering inlet is communicated with the pressurizing outlet of the high-pressure pump, and the high-pressure seawater outlet is communicated with the high-pressure seawater inlet. In the utility model, the discharged high-pressure seawater is used to impact the impellers, and the impellers directly drive the spiral propelling exchange core to rotate so as to pressurize the raw seawater preliminarily.
Description
Technical field
The utility model relates to a kind of energy recycle device that is used for desalting plant.
Background technology
Sea water desaltination is the development trend of coastal cities water and island water from now on.At present, energy expenditure is bigger in the sea water desaltination desalting process, and production cost is higher.Save energy, reduce cost, the high-pressure energy that at first will discharge concentrated seawater reclaims.At present; 50% sea water desaltination is to adopt the membrane technique desalination; At first be pressurized to the pressure about 60 kilograms every square centimeter to the former seawater that will desalinate, deliver to the fresh water that film filter filters out about 15%-20%, remaining high-pressure thick seawater is directly drained; Cause power loss, make sea water desaltination maintain high price.
To above-mentioned deficiency, the someone proposes the solution of energy recovery:
First kind: utilize remaining high-pressure thick seawater to impact impeller with generating, then electric power storage, and then utilize electric energy to start pressing mechanism with the former seawater that pressurizes, like CN102022251A.Adopt this kind mode recovered energy to have following deficiency: 1, generating, electric power storage, utilize electric energy operation pressing mechanism again, energy circulation step is many, and energy waste is many, and energy recovery rate is low; 2, need to be equipped with a plurality of parts, like generator, store battery etc., cost is high.
Second kind: be equipped with piston hydraulic cylinder mechanism; Piston is divided into two portions with hydro-cylinder; Utilize high-pressure thick seawater impact piston to be positioned at the former seawater of another part, like CN2461915Y, CN1184081A, CN1156334C, CN1733615A, CN1702320A, CN102020339A with compression.Adopt this kind mode recovered energy to need to set up open valve at two portions of hydro-cylinder, open and close through open valve and realize pressurized control, then have following deficiency: 1, need carry out segmentation, timesharing pressurization to the former seawater that continues, pressurization efficient is low; 2, need set up open valve, cost is high.
The utility model content
The utility model provides a kind of energy recycle device that is used for desalting plant, and it has overcome the existing deficiency of desalting plant in the background technology.
The technical scheme that is adopted that the utility model solves its technical problem is:
A kind of energy recycle device that is used for desalting plant; The high pressure sea water outlet of its junctional membrane strainer (300); It comprises a recycling cavity (110), a pressurizing chamber (120), a rotating shaft (130), an impeller (140) and a screw propulsion core (150); Establish perforation (160) between said recycling cavity (110) and pressurizing chamber (120); Said rotating shaft (130) hermetically passing is bored a hole (160) and is had first part that is positioned at recycling cavity (110) and the second section that is positioned at pressurizing chamber (120); The coaxial affixed rotating shaft of said impeller (140) (130) first part; The coaxial affixed rotating shaft of said screw propulsion core (150) (130) second section, said recycling cavity (110) are established one and are connected high pressure sea water inlet (111) and a water port (112) of the outlet of film filter (300) high pressure sea water, and said pressurizing chamber (120) is established a former seawater inlet (121) and pressurised seawater outlet (122).
Among one preferred embodiment: establish sealing-ring (170) between said perforation (160) and rotating shaft (130).
Among one preferred embodiment: said pressurizing chamber (120) is frustum, and said screw propulsion core (150) also is coniform spiral.
Among one preferred embodiment: said rotating shaft (130) second section end also is installed with a propeller and advances blade (180).
The present technique scheme is compared with background technology, and it has following advantage:
1, utilize the high pressure sea water that discharges to impact impeller, impeller directly drives screw propulsion exchange core and rotates, and with the former seawater of preliminary pressurization, has therefore overcome the existing deficiency of background technology, and produces following technique effect: a, reduction sea water desaltination cost; B, saving intermediate energy circulation step, energy consumption is low, and the energy recovery utilization ratio is high; C, the uninterrupted former seawater of persistent pressure of ability; D, simple in structure, low cost of manufacture; E, the coaxial affixed screw propulsion core of rotating shaft and impeller connect together energy recovery and preliminary pressurization through rotating shaft, and energy recovery rate is high.
2, pressurizing chamber is frustum, and the screw propulsion core also is coniform spiral, and the pressurization effect is high.
3, rotating shaft second section end also is installed with propeller and advances blade, and the pressurization effect is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 has illustrated a kind of synoptic diagram that is used for the energy recycle device of desalting plant of a preferred embodiment.
Embodiment
Please refer to Fig. 1, it has illustrated a kind of synoptic diagram that is used for desalting plant of a preferred embodiment, and it comprises an energy recycle device 100, a HPP 200 and a film filter 300.
Said energy recycle device 100, it comprises that a recycling cavity 110, a pressurizing chamber 120, a rotating shaft 130, an impeller 140, a screw propulsion core 150 and a propeller advance blade 180.120 of said recycling cavity 110 and pressurizing chambers are established perforation 160.Among the present embodiment, said energy recycle device 100 is established housing, is formed with recycling cavity 110, pressurizing chamber 120 in the said housing and bores a hole 160.Among the present embodiment, said screw propulsion core 150 comprises a screw-blade, and said screw-blade inner vortex seals affixed rotating shaft 130.
Said rotating shaft 130 hermetically passings perforation 160 and have first part that is positioned at recycling cavity 110 and the second section that is positioned at pressurizing chamber 120.Among the present embodiment, best, establish sealing-ring 170 in said perforation 160 and 130 of rotating shafts.
The coaxial affixed rotating shaft of said impeller 140 130 first parts; And; Said recycling cavity 110 has opposing to high pressure sea water inlet 111 and one water port 112 that is provided with, so that high pressure sea water is when high pressure sea water inlet 111 flows to water port 112, and can impeller 140 rotations.Among the present embodiment, said impeller is spoonful shape blade or other shape blades, and material is a stainless steel, or pottery, but or other anticorrosives.
Said screw propulsion core 150 coaxial affixed rotating shaft 130 second sections, said propeller advance blade 180 coaxial rotating shaft 130 second sections that are fixed in terminal.Said pressurizing chamber 120 establish one be positioned at pressurizing chamber 120 head ends former seawater inlet 121 and be positioned at pressurizing chamber 120 terminal pressurised seawater and export 122; Advance blade 180 to rotate so that rotating shaft 130 drives screw propulsion core 150 when rotating with propeller, with can from former seawater enter the mouth 121 flow to pressurised seawater outlet 122 former seawater pressurize.Among the present embodiment, said pressurizing chamber 120 is solid of revolution, and said former seawater inlet 121 is located at housing and is positioned at head end radially to be located, and said pressurised seawater outlet 122 is located at housing and is positioned at terminal shaft to locating.Among the present embodiment, adopt screw propulsion core 150 and propeller to advance blade 180 to rotate former seawater is tentatively pressurizeed, the pressurization effect is high.Among the present embodiment, the high pressure sea water trend is moved towards into 90 ° of angles with the former seawater that boosted.Among the present embodiment, said screw propulsion core can be taper, also can be directly barrel-shaped.
Said HPP 200, it establishes the boost inlet and the outlet of boosting, and the said inlet that boosts is connected pressurised seawater outlet 122, further former seawater being pressurizeed.
Said film filter 300, it is established and filters inlet, high pressure sea water outlet and water outlet, the outlet of boosting that said filtration inlet is connected HPP 200, high pressure sea water inlet 111 is connected in said high pressure sea water outlet.300 pairs of former seawater of said film filter filter, and produce fresh water and high pressure sea water, and fresh water is discharged to use through water outlet, and high pressure sea water is connected high pressure sea water inlet 111 to impact impeller 140.
Among the present embodiment, said pressurizing chamber 120 is frustum, and said screw propulsion core 150 also is coniform spiral.
Among the present embodiment; Be linked into the high pressure sea water inlet 111 of energy recycle device 100 through the high pressure sea water after film filter 300 filtrations; Getting into recycling cavity 110 promotes wheel rotation and drives co-axial screw propulsion to change core 150 rotations; The rotation that screw propulsion changes core 150 then is pushed into the exit to former seawater from the ingress, and the pressure of former seawater gets a promotion, and realizes the energy exchange and the recovery of high pressure sea water and the former seawater of low pressure.Former seawater behind the lifting pressure is sent to sea water desaltination HPP ingress, the desalination of further boosting.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (4)
1. energy recycle device that is used for desalting plant; The high pressure sea water outlet of its junctional membrane strainer (300); It is characterized in that: it comprises a recycling cavity (110), a pressurizing chamber (120), a rotating shaft (130), an impeller (140) and a screw propulsion core (150); Establish perforation (160) between said recycling cavity (110) and pressurizing chamber (120); Said rotating shaft (130) hermetically passing is bored a hole (160) and is had first part that is positioned at recycling cavity (110) and the second section that is positioned at pressurizing chamber (120); The coaxial affixed rotating shaft of said impeller (140) (130) first part; The coaxial affixed rotating shaft of said screw propulsion core (150) (130) second section, said recycling cavity (110) are established one and are connected high pressure sea water inlet (111) and a water port (112) of the outlet of film filter (300) high pressure sea water, and said pressurizing chamber (120) is established a former seawater inlet (121) and pressurised seawater outlet (122).
2. a kind of energy recycle device that is used for desalting plant according to claim 1 is characterized in that: establish sealing-ring (170) between said perforation (160) and rotating shaft (130).
3. a kind of energy recycle device that is used for desalting plant according to claim 1 is characterized in that: said pressurizing chamber (120) is frustum, and said screw propulsion core (150) also is coniform spiral.
4. according to claim 1 or 2 or 3 described a kind of energy recycle devices that are used for desalting plant, it is characterized in that: said rotating shaft (130) second section end also is installed with a propeller and advances blade (180).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203079784U CN202201738U (en) | 2011-08-22 | 2011-08-22 | Energy recovery device for seawater desalination equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203079784U CN202201738U (en) | 2011-08-22 | 2011-08-22 | Energy recovery device for seawater desalination equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201738U true CN202201738U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203079784U Expired - Fee Related CN202201738U (en) | 2011-08-22 | 2011-08-22 | Energy recovery device for seawater desalination equipment |
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| Country | Link |
|---|---|
| CN (1) | CN202201738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887565A (en) * | 2011-08-22 | 2013-01-23 | 厦门市冷空器制冷科技有限公司 | Energy recovery device for seawater desalination equipment |
| CN104030382A (en) * | 2014-05-15 | 2014-09-10 | 浙江大学 | Solar seawater desalination method and device |
| CN116066457A (en) * | 2023-04-06 | 2023-05-05 | 广东海洋大学 | Self-driven residual pressure energy recovery device and membrane method sea water desalination system thereof |
-
2011
- 2011-08-22 CN CN2011203079784U patent/CN202201738U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887565A (en) * | 2011-08-22 | 2013-01-23 | 厦门市冷空器制冷科技有限公司 | Energy recovery device for seawater desalination equipment |
| CN102887565B (en) * | 2011-08-22 | 2014-09-17 | 厦门市冷空器制冷科技有限公司 | Energy recovery device for seawater desalination equipment |
| CN104030382A (en) * | 2014-05-15 | 2014-09-10 | 浙江大学 | Solar seawater desalination method and device |
| CN116066457A (en) * | 2023-04-06 | 2023-05-05 | 广东海洋大学 | Self-driven residual pressure energy recovery device and membrane method sea water desalination system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140822 |
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| EXPY | Termination of patent right or utility model |