CN102887565A - Energy recovery device for seawater desalination equipment - Google Patents
Energy recovery device for seawater desalination equipment Download PDFInfo
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- CN102887565A CN102887565A CN2011102424546A CN201110242454A CN102887565A CN 102887565 A CN102887565 A CN 102887565A CN 2011102424546 A CN2011102424546 A CN 2011102424546A CN 201110242454 A CN201110242454 A CN 201110242454A CN 102887565 A CN102887565 A CN 102887565A
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- sea water
- rotating shaft
- seawater
- impeller
- 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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Abstract
The invention discloses an energy recovery device for seawater desalination equipment. The energy recovery device is connected with a high-pressure seawater outlet of a membrane filter. The energy recovery device comprises a recovery cavity, a pressurization cavity, a rotary shaft, an impeller and a spiral propulsion core, wherein a through hole is formed between the recovery cavity and the pressurization cavity; the rotary shaft hermetically penetrates through the through hole, and is provided with a first part located at the recovery cavity, and a second part located at the pressurization cavity; the impeller is coaxially and fixedly connected with the first part of the rotary shaft; the spiral propulsion core is coaxially and fixedly connected with the second part of the rotary shaft; the recovery cavity is provided with a high-pressure seawater inlet connected with the high-pressure seawater outlet of the membrane filter, and a water drainage port; and the pressurization cavity is provided with a raw seawater inlet and a pressurized seawater outlet. According to the energy recovery device, the impeller is impacted by virtue of drained high-pressure seawater, and the impeller is used for directly driving the spiral propulsion exchange core to rotate, so as to primarily pressurize raw seawater.
Description
Technical field
The present invention relates to a kind of energy recycle device for sea water desalting equipment.
Background technology
Sea water desaltination is the development trend of coastal cities water and island water from now on.At present, energy expenditure is larger 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 the former seawater that will desalinate is pressurized to pressure about 60 kilograms every square centimeter, deliver to the fresh water that film filter filters out about 15%-20%, remaining high-pressure thick seawater is directly drained, cause power loss, so that sea water desaltination maintains high price.
For above-mentioned deficiency, the someone proposes the solution of energy recovery:
The first: utilize remaining high-pressure thick sea washes impeller with generating, then electric power storage, and then utilize electric energy to start pressing mechanism with the former seawater that pressurizes, such as CN102022251A.Adopt this kind mode recovered energy to have following deficiency: 1, generating, electric power storage, recycling electric energy operation pressing mechanism, 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, such as generator, store battery etc., cost is high.
The second: be equipped with piston hydraulic cylinder mechanism, piston is divided into two portions with hydro-cylinder, utilize high-pressure thick sea washes piston to be positioned at the former seawater of another part with compression, such as CN2461915Y, CN1184081A, CN1156334C, CN1733615A, CN1702320A, CN102020339A.Adopt this kind mode recovered energy to need to set up open valve at two portions of hydro-cylinder, open and close by 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.
Summary of the invention
The invention provides the energy recycle device for sea water desalting equipment, it has overcome the existing deficiency of sea water desalting equipment in the background technology.
The technical scheme that adopts that the present invention solves its technical problem is:
The energy recycle device that is used for sea water desalting equipment, the high pressure sea water outlet of its junctional membrane strainer (300), it comprises a recycling cavity (110), one pressurizing chamber (120), one rotating shaft (130), one impeller (140) and a screw propulsion core (150), establish perforation (160) between described recycling cavity (110) and pressurizing chamber (120), described rotating shaft (130) hermetically passing is bored a hole (160) and is had the 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 described impeller (140) (130) first part, the coaxial affixed rotating shaft of described screw propulsion core (150) (130) second section, described recycling cavity (110) is established one and is connected high pressure sea water entrance (111) and a water port (112) of the outlet of film filter (300) high pressure sea water, and described pressurizing chamber (120) is established a former seawater entrance (121) and pressurised seawater outlet (122).
Among one preferred embodiment: establish sealing-ring (170) between described perforation (160) and rotating shaft (130).
Among one preferred embodiment: described pressurizing chamber (120) is frustum, and described screw propulsion core (150) also is coniform spiral.
Among one preferred embodiment: described rotating shaft (130) second section end also is installed with a propeller propulsion blades (180).
The technical program 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 energy; 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 by 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 the propeller propulsion blades, and the pressurization effect is high.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the synoptic diagram of the energy recycle device that is used for sea water desalting equipment of a preferred embodiment.
Embodiment
Please refer to Fig. 1, it has illustrated the synoptic diagram that is used for sea water desalting equipment of a preferred embodiment, and it comprises an energy recycle device 100, a high-pressure pump 200 and a film filter 300.
Described energy recycle device 100, it comprises a recycling cavity 110, a pressurizing chamber 120, a rotating shaft 130, an impeller 140, a screw propulsion core 150 and a propeller propulsion blades 180.120 of described recycling cavity 110 and pressurizing chambers are established perforation 160.Among the present embodiment, described energy recycle device 100 is established housing, is formed with recycling cavity 110, pressurizing chamber 120 in the described housing and bores a hole 160.Among the present embodiment, described screw propulsion core 150 comprises a screw-blade, and described screw-blade inner vortex seals affixed rotating shaft 130.
Described rotating shaft 130 hermetically passings perforation 160 and have the first part that is positioned at recycling cavity 110 and be positioned at the second section of pressurizing chamber 120.Among the present embodiment, best, establish sealing-ring 170 in described perforation 160 and 130 of rotating shafts.
The coaxial affixed rotating shaft of described impeller 140 130 first parts, and, described recycling cavity 110 has an opposing high pressure sea water entrance 111 and a water port 112 to arranging, so that high pressure sea water when flowing to water port 112 from high pressure sea water entrance 111, can impeller 140 rotate.Among the present embodiment, described impeller is spoonful shape blade or other shape blades, and material is stainless steel, or pottery, but or other anticorrosives.
Described screw propulsion core 150 coaxial affixed rotating shaft 130 second sections, the described propeller propulsion blades 180 coaxial rotating shaft 130 second sections ends that are fixed in.Described pressurizing chamber 120 is established the pressurised seawater outlet 122 that a former seawater entrance 121 and that is positioned at pressurizing chamber 120 head ends is positioned at pressurizing chamber 120 ends, so that rotating shaft 130 drives screw propulsion core 150 when rotating and propeller propulsion blades 180 rotates, pressurizeing from the former seawater that former seawater entrance 121 flows to pressurised seawater outlet 122.Among the present embodiment, described pressurizing chamber 120 is solid of revolution, and described former seawater entrance 121 is located at housing and is positioned at head end radially to be located, and described 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 propulsion blades 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 boosted former seawater.Among the present embodiment, described screw propulsion core can be taper, also can be directly barrel-shaped.
Described high-pressure pump 200, it establishes boost entrance and the outlet of boosting, and the described entrance that boosts is connected pressurised seawater outlet 122, further former seawater being pressurizeed.
Described film filter 300, it is established and filters entrance, high pressure sea water outlet and water outlet, and described filtration entrance is connected the outlet of boosting of high-pressure pump 200, and high pressure sea water entrance 111 is connected in described high pressure sea water outlet.300 pairs of former seawater of described film filter filter, and produce fresh water and high pressure sea water, and fresh water discharges to use by water outlet, and high pressure sea water is connected high pressure sea water entrance 111 to impact impeller 140.
Among the present embodiment, described pressurizing chamber 120 is frustum, and described screw propulsion core 150 also is coniform spiral.
Among the present embodiment, be linked into the high pressure sea water entrance 111 of energy recycle device 100 through the high pressure sea water after film filter 300 filtrations, entering recycling cavity 110 promotes wheel rotation and drives coaxial screw propulsion to turn core 150 rotations, the rotation that screw propulsion turns core 150 then is pushed into the exit to former seawater from the ingress, the pressure of former seawater gets a promotion, and realizes 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 high-pressure pump ingress, the desalination of further boosting.
The above, only for preferred embodiment of the present invention, so can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (4)
1. the energy recycle device that is used for sea water desalting equipment, the high pressure sea water outlet of its junctional membrane strainer (300), it is characterized in that: it comprises a recycling cavity (110), one pressurizing chamber (120), one rotating shaft (130), one impeller (140) and a screw propulsion core (150), establish perforation (160) between described recycling cavity (110) and pressurizing chamber (120), described rotating shaft (130) hermetically passing is bored a hole (160) and is had the 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 described impeller (140) (130) first part, the coaxial affixed rotating shaft of described screw propulsion core (150) (130) second section, described recycling cavity (110) is established one and is connected high pressure sea water entrance (111) and a water port (112) of the outlet of film filter (300) high pressure sea water, and described pressurizing chamber (120) is established a former seawater entrance (121) and pressurised seawater outlet (122).
2. the energy recycle device for sea water desalting equipment according to claim 1 is characterized in that: establish sealing-ring (170) between described perforation (160) and rotating shaft (130).
3. the energy recycle device for sea water desalting equipment according to claim 1, it is characterized in that: described pressurizing chamber (120) is frustum, and described screw propulsion core (150) also is coniform spiral.
4. according to claim 1 and 2 or 3 described energy recycle devices for sea water desalting equipment, it is characterized in that: described rotating shaft (130) second section end also is installed with a propeller propulsion blades (180).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110242454.6A CN102887565B (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 |
|---|---|---|---|
| CN201110242454.6A CN102887565B (en) | 2011-08-22 | 2011-08-22 | Energy recovery device for seawater desalination equipment |
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| Publication Number | Publication Date |
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| CN102887565A true CN102887565A (en) | 2013-01-23 |
| CN102887565B CN102887565B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110242454.6A Expired - Fee Related CN102887565B (en) | 2011-08-22 | 2011-08-22 | Energy recovery device for seawater desalination equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731599A (en) * | 2016-04-19 | 2016-07-06 | 杭州科星水处理工程有限公司 | Energy recycling system for membrane treatment process |
| CN110871033A (en) * | 2019-12-06 | 2020-03-10 | 自然资源部天津海水淡化与综合利用研究所 | Energy-saving type rotary membrane filtering system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092257A (en) * | 2007-07-27 | 2007-12-26 | 西安交通大学 | Method and device of desalination process by reverse osmosis for water |
| CN201292269Y (en) * | 2008-11-14 | 2009-08-19 | 中国人民解放军海军节能技术研究中心 | Membrane separation device, in particular reverse osmosis sea water desalting apparatus |
| CN101539089A (en) * | 2009-04-10 | 2009-09-23 | 王存 | Hydraulic energy recycling device |
| CN201665311U (en) * | 2009-12-16 | 2010-12-08 | 余启明 | Culvert-type water spray propulsion device |
| CN202201738U (en) * | 2011-08-22 | 2012-04-25 | 厦门市冷空器制冷科技有限公司 | Energy recovery device for seawater desalination equipment |
-
2011
- 2011-08-22 CN CN201110242454.6A patent/CN102887565B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092257A (en) * | 2007-07-27 | 2007-12-26 | 西安交通大学 | Method and device of desalination process by reverse osmosis for water |
| CN201292269Y (en) * | 2008-11-14 | 2009-08-19 | 中国人民解放军海军节能技术研究中心 | Membrane separation device, in particular reverse osmosis sea water desalting apparatus |
| CN101539089A (en) * | 2009-04-10 | 2009-09-23 | 王存 | Hydraulic energy recycling device |
| CN201665311U (en) * | 2009-12-16 | 2010-12-08 | 余启明 | Culvert-type water spray propulsion device |
| CN202201738U (en) * | 2011-08-22 | 2012-04-25 | 厦门市冷空器制冷科技有限公司 | Energy recovery device for seawater desalination equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731599A (en) * | 2016-04-19 | 2016-07-06 | 杭州科星水处理工程有限公司 | Energy recycling system for membrane treatment process |
| CN110871033A (en) * | 2019-12-06 | 2020-03-10 | 自然资源部天津海水淡化与综合利用研究所 | Energy-saving type rotary membrane filtering system and method |
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| CN102887565B (en) | 2014-09-17 |
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Granted publication date: 20140917 Termination date: 20190822 |