CN200995984Y - Efficient multistage cryogenic air-electric seawater desalination plant - Google Patents
Efficient multistage cryogenic air-electric seawater desalination plant Download PDFInfo
- Publication number
- CN200995984Y CN200995984Y CNU2007200334385U CN200720033438U CN200995984Y CN 200995984 Y CN200995984 Y CN 200995984Y CN U2007200334385 U CNU2007200334385 U CN U2007200334385U CN 200720033438 U CN200720033438 U CN 200720033438U CN 200995984 Y CN200995984 Y CN 200995984Y
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- Prior art keywords
- frequency conversion
- pipe
- chamber
- heat pump
- pump
- 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.)
- Expired - Fee Related
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
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- 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
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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
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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
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A low temperature multi-stage efficient wind electric desalination device includes a frequency conversion heat pump, a frequency conversion water pump, a frequency conversion vacuum pump, a multi-stage distillation chamber, a separating baffle and preheating coil pipes, which is characterized in that the separating baffle which is installed slantingly in the middle upper part of the distillation chamber separates the distillation chamber into evaporating cavities and condensing cavities of which the upper openings are communicated. The preheating coil pipes are installed in the condensing cavities. With the series connection of the preheating coil pipes in the cavities, an input pipe is connected with a seawater pipe through the frequency conversion water pump, and an outlet pipe is connected with the inlet pipe of a heat exchanger of the high voltage frequency conversion heat pump. The outlet pipe of the heat exchanger of the high voltage frequency conversion heat pump is communicated with the inlet on the bottom of the evaporating cavity of the chamber. The outlet pipe formed by the series connection of the water pipes used on the bottoms of the evaporation cavities is seawater outlet pipe. The tops of distillation chambers of all grades are connected with the frequency conversion vacuum pump through pipelines. The upper parts of the condensing cavities of all grades are communicated with an outlet pipe for desalted water.
Description
Technical field
The utility model relates to a kind of seawater desalination system, and particularly a kind of direct current that sends with aerogenerator is that system provides the method for power supply and the sea water desalinating plant of low temperature multistage high efficiency thereof, belongs to water treatment field.
Background technology
Sea water desaltination is the important channel that solves shortage of water resources, more and more obtains people's great attention, follows desalination technology development and social demand amount to strengthen, and the desalination scale of desalinator constantly enlarges.Its scale develops into present daily output hundreds of thousands of cubic meter from several hectosteres of initial daily output.When the sea water desaltination scale constantly enlarged, Cost of seawater desalination was also reducing gradually.Cost of seawater desalination depends on the cost that consumes electric power and steam to a great extent, and domestic and international most of desalimtor build in together with the power station, and the construction mode of taking sea water desaltination engineering and electric power coproduction alliance is in the hope of reducing cost.In China as being the newly-built thermal power plant of sea water desaltination by the sea specially, not only can burn a large amount of fuel, can cause new environmental pollution again, also be unfavorable for reducing the cost of desalination water, as powering with existing utility grid, cost is difficult to descend, and can make utility grid back white elephant again because of its current consumption is big again.
Summary of the invention
Main purpose of the present utility model is to use inexpensive clean and reproducible wind-powered electricity generation to provide a kind of low temperature multistage high efficiency wind power generation seawater desalination device for the energy.
Low temperature multistage high efficiency wind power generation seawater desalination device of the present utility model, mainly be to use direct current that high-power wind-driven generator sends working power, and the power-saving technology of closed circulating heat pump is used for low-temperature evaporation and multi-stage, efficient flash distillation combines and carry out sea water desaltination as the frequency conversion heat pump that uses in the sea water desalinating plant, variable frequency pump and frequency conversion vacuum pump.Its apparatus structure comprises frequency conversion heat pump, variable frequency pump, the frequency conversion vacuum pump, the multistage distillation chamber, skimming baffle and preheat coil, wherein, the skimming baffle angle mount is separated into evaporation cavity that communicates suitable for reading and condensation chamber in the middle and upper part of stilling chamber with stilling chamber, preheat coil is contained in the condensation chamber, water inlet pipe after preheat coil in each condensation chamber is connected mutually is through variable frequency pump and seawater pipe coupling, rising pipe after preheat coil is connected mutually is connected with the water inlet pipe of the interchanger of high-power frequency conversion heat pump, the rising pipe of high-power frequency conversion heat pump interchanger is communicated with this evaporation cavity bottom, chamber water-in, rising pipe after water pipe is connected successively respectively bottom each evaporation cavity is the seawater vent pipe, stilling chambeies at different levels top all is connected with the frequency conversion vacuum pump with pipeline, and the equal water pipe in condensation chambers at different levels bottom is communicated with the desalination water rising pipe.In order to make full use of the heat pump energy-conserving effective advantage, increase substantially sea water desaltination speed, can between the water inlet pipe of the rising pipe of previous stage stilling chamber evaporation cavity and back one-level evaporation cavity, be serially connected with the interchanger of low power frequency conversion heat pump, the vaporizer of low power frequency conversion heat pump is installed in previous stage stilling chamber condensation chamber top, also can play the dual function of good condensation and energy recovery.
Distinguishing feature of the present utility model is to give full play to the flourishing long time advantage of sea wind in coastal waters, utilize direct current that high-power wind-driven generator sends working power as the frequency conversion heat pump that uses in the sea water desalinating plant, variable frequency pump and frequency conversion vacuum pump etc., because of the output rating of variable frequency pump or variable-frequency motor etc. can be with the variation variation automatically of wind power, when wind-force hour, wind power reduces, rotating speeds such as heat pump reduce, the aquifer yield of desalination water reduces, otherwise, when wind-force is big, wind power increases, and the rotating speed of heat pump etc. improves, and the aquifer yield of desalination water increases.Make large-scale wind power be directly used in extensive sea water desaltination, can avoid wind-powered electricity generation dexterously is difficult to large-scale and the civil power electricity price that is incorporated into the power networks and is incorporated into the power networks afterwards and crosses high weak point, can alleviate white elephant for utility grid, can provide market for developing large-scale wind power rapidly, can the cheap and reproducible energy of cleaning is provided and help reducing cost for sea water desaltination again, have huge economic benefit and social benefit.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, 1 among the figure is high-power frequency conversion heat pump and interchanger thereof, the 2nd, and stilling chamber, the 3rd, skimming baffle, the 4th, vaporizer, the 5th, preheat coil, the 6th, the frequency conversion vacuum pump, the 7th, variable frequency pump, the 8th, evaporation cavity, the 9th, condensation chamber, the 10th, the interchanger of low power frequency conversion heat pump, the 11st, the compressor of low power frequency conversion heat pump, the 12nd, seawater vent pipe, the 13rd, desalination water rising pipe.Described skimming baffle 3 angle mounts are separated into evaporation cavity that communicates 8 suitable for reading and condensation chamber 9 in the middle and upper part of stilling chamber 2 with stilling chamber 2, preheat coil 5 is contained in the condensation chamber 9 on top, water inlet pipe after preheat coil 5 in each condensation chamber is connected mutually is through variable frequency pump 7 and seawater pipe coupling, rising pipe after preheat coil is connected mutually is connected with the water inlet pipe of the interchanger 1 of high-power frequency conversion heat pump, the rising pipe of high-power frequency conversion heat pump interchanger 1 is communicated with these chamber evaporation cavity 8 lower water inlets, rising pipe after each evaporation cavity 8 bottom water pipe is connected successively is a seawater vent pipe 12, stilling chambeies at different levels 2 tops all are connected with frequency conversion vacuum pump 6 with pipeline, and the equal water pipe in the bottom of condensation chambers 9 at different levels is communicated with desalination water rising pipe 13.In order to make full use of the heat pump energy-conserving effective advantage, increase substantially sea water desaltination speed, can be serially connected with the interchanger 10 of low power frequency conversion heat pump between the water inlet pipe of the rising pipe of previous stage stilling chamber evaporation cavity 8 and back one-level evaporation cavity, the vaporizer 4 of low power frequency conversion heat pump is installed in the top of previous stage stilling chamber condensation chamber 9.During work, variable frequency pump 7 with seawater through preheat coil 5 after high-power frequency conversion heat pump interchanger 1 is heated to the bottom that about 70 ℃ hot sea water enters the evaporation cavity 8 of left side stilling chamber, because of stilling chamber 2 is formed negative pressure by frequency conversion vacuum pump 6 with the air extraction, make the portion of hot seawater vaporization that enters in the evaporation cavity 8 and rise in the condensation chamber 9, the refrigeration agent that runs in the vaporizer 4 of low power frequency conversion heat pump flows out through water pipe from the bottom of condensation chamber 9 and forms highly purified desalination water because of the evaporation heat absorption condenses into distilled water.The temperature that condenses into distilled water at condensation chamber is still than higher, and its heat can carry out preheating to the seawater preheat coil 5 in the way that descends, and makes seawater have certain temperature before entering the heating of high-power frequency conversion heat pump interchanger, can improve heats.Again owing between the water inlet pipe of the rising pipe of previous stage evaporation cavity and back one-level evaporation cavity, be serially connected with the interchanger 10 of low power frequency conversion heat pump, can will be evaporated and seawater that temperature is descended enters the back one-level after obtaining supplementary heating and continues to evaporate in previous stage.Concentration of seawater after evaporation repeatedly is higher, uses from making raw materials such as salt manufacturing after seawater vent pipe 12 is discharged.In order to prevent that wind speed from making wind power descend excessive too slowly and influence works better, available utility grid is made accessory power supply.
Claims (2)
1, a kind of low temperature multistage high efficiency wind power generation seawater desalination device, comprise frequency conversion heat pump, variable frequency pump, the frequency conversion vacuum pump, the multistage distillation chamber, skimming baffle and preheat coil, it is characterized in that the skimming baffle angle mount is separated into evaporation cavity that communicates suitable for reading and condensation chamber in the middle and upper part of stilling chamber with stilling chamber, preheat coil is contained in the condensation chamber, water inlet pipe after preheat coil in each condensation chamber is connected mutually is through variable frequency pump and seawater pipe coupling, rising pipe after preheat coil is connected mutually is connected with the water inlet pipe of the interchanger of high-power frequency conversion heat pump, the rising pipe of high-power frequency conversion heat pump interchanger is communicated with this evaporation cavity bottom, chamber water-in, rising pipe after each evaporation cavity bottom water pipe is connected successively is the seawater vent pipe, stilling chambeies at different levels top all is connected with the frequency conversion vacuum pump with pipeline, and the equal water pipe in condensation chambers at different levels bottom is communicated with the desalination water rising pipe.
2, low temperature multistage high efficiency wind power generation seawater desalination device as claimed in claim 1, it is characterized in that being serially connected with between the water inlet pipe of the rising pipe of previous stage stilling chamber evaporation cavity and back one-level evaporation cavity the interchanger of low power frequency conversion heat pump, the vaporizer of low power frequency conversion heat pump is installed in previous stage stilling chamber condensation chamber top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200334385U CN200995984Y (en) | 2007-01-09 | 2007-01-09 | Efficient multistage cryogenic air-electric seawater desalination plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200334385U CN200995984Y (en) | 2007-01-09 | 2007-01-09 | Efficient multistage cryogenic air-electric seawater desalination plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200995984Y true CN200995984Y (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200334385U Expired - Fee Related CN200995984Y (en) | 2007-01-09 | 2007-01-09 | Efficient multistage cryogenic air-electric seawater desalination plant |
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| CN (1) | CN200995984Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462310C (en) * | 2007-01-09 | 2009-02-18 | 顾为东 | Low temperature multistage high efficiency wind power generation seawater desalination method and its device |
| CN103112985A (en) * | 2013-02-26 | 2013-05-22 | 集美大学 | Multi-stage flash distillation seawater desalination system of low-temperature multi-effect steamer vapor compression distillation |
| CN102092819B (en) * | 2009-12-10 | 2013-06-12 | 西门子（中国）有限公司 | Method and device for managing seawater desalination system and seawater desalination system |
| CN103304089A (en) * | 2013-04-15 | 2013-09-18 | 浙江大学 | Multistage flash evaporation seawater desalting device with multiple-effect heat utilization |
| CN107089696A (en) * | 2017-06-01 | 2017-08-25 | 东莞理工学院 | A kind of spray evaporation sea water desalinating unit |
| CN110467233A (en) * | 2019-08-05 | 2019-11-19 | 江苏科技大学 | A kind of multi-effect flashing steam seawater desalination system and working method |
-
2007
- 2007-01-09 CN CNU2007200334385U patent/CN200995984Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462310C (en) * | 2007-01-09 | 2009-02-18 | 顾为东 | Low temperature multistage high efficiency wind power generation seawater desalination method and its device |
| CN102092819B (en) * | 2009-12-10 | 2013-06-12 | 西门子（中国）有限公司 | Method and device for managing seawater desalination system and seawater desalination system |
| CN103112985A (en) * | 2013-02-26 | 2013-05-22 | 集美大学 | Multi-stage flash distillation seawater desalination system of low-temperature multi-effect steamer vapor compression distillation |
| CN103304089A (en) * | 2013-04-15 | 2013-09-18 | 浙江大学 | Multistage flash evaporation seawater desalting device with multiple-effect heat utilization |
| CN103304089B (en) * | 2013-04-15 | 2014-11-19 | 浙江大学 | Multistage flash evaporation seawater desalting device with multiple-effect heat utilization |
| CN107089696A (en) * | 2017-06-01 | 2017-08-25 | 东莞理工学院 | A kind of spray evaporation sea water desalinating unit |
| CN110467233A (en) * | 2019-08-05 | 2019-11-19 | 江苏科技大学 | A kind of multi-effect flashing steam seawater desalination system and working method |
| CN110467233B (en) * | 2019-08-05 | 2021-11-09 | 江苏科技大学 | Multi-effect flash evaporation seawater desalination system and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20120109 |