CN1803673A - On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized - Google Patents
On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized Download PDFInfo
- Publication number
- CN1803673A CN1803673A CN 200510061964 CN200510061964A CN1803673A CN 1803673 A CN1803673 A CN 1803673A CN 200510061964 CN200510061964 CN 200510061964 CN 200510061964 A CN200510061964 A CN 200510061964A CN 1803673 A CN1803673 A CN 1803673A
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- Prior art keywords
- water
- seawater
- desalination system
- vapor
- heating
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- 239000013535 sea water Substances 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 15
- 239000013505 freshwater Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 12
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000003643 water by type Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
The on-water seawater desalination system with full use to natural resource comprises: a solar seawater evaporator 5, a normal heating device 6 (electric heat, fuel and coal), a water vapor liquefier 2, and a cooling device 3 all arranged on the ship body 1. Wherein, using locally seawater as cooling medium and fresh water material, making full use to the normal-temperature seawater resource as 'cold energy' for cooling and liquefying the hot vapor into fresh water; then, heating some of the seawater to convert into vapor. This invention takes up no land for factory and reduces energy, and special fit to the hot arid zone.
Description
Technical field:
The present invention relates to desalination technology, especially relate to land occupation resource not and can make full use of the Nature energy (" cold energy " of normal temperature seawater and " heat energy " of the sun) and assist to finish routine, the particularly technology of extensive desalting process with the role who serves as the main energy sources supplier.
Background technology:
The most frequently used existing desalination technology of current seawater desalination system (factory or facility or equipment or utensil) is that seawater adds the thermal distillation condensation method, or seawater heating repeatedly distills condensation method, and its deficiency is:
1. the fresh water raw material of desalimtor's production is exactly a seawater, yet, general desalimtor, the desalimtor of especially going up scale all is built in the land, make an unnecessary move real the genus: both wasted valuable land for building, be difficult to again adjust the water inlet geographical position of drawing raw material seawater from the sea at any time according to the water quality situation.
2. by heat-processed distillation or repeatedly distill the water vapour of output, in equipment, adopt two kinds of following methods usually to its cooling liquid:
A. be built in the desalimtor of land, in order to make full use of the cold energy in the middle of the normal temperature Static Water and to save the electric energy of water pump, normal temperature Static Water in the use cooling basin realizes the process of water vapour cooling liquid, therefore, the situation that often takes place coolant water temperature to raise and have to interrupt fresh water production, have only and got rid of after the hot water swap-in normal temperature Static Water in the cooling basin, can recover the continuation output of fresh water.
B. be built in the desalimtor of land, also there is employing to cause the output fresh water that liquefies that circulates of normal-temperature water in the cooling basin by water pump, the recirculated cooling water source that " cold energy " of its liquefaction fresh water relies on air that spray is come out on the spot carries out that " air-cooled " realize, people's " air-cooled " energy for providing is provided for inefficiency and needs, for example: offer blower fan and implement the electric energy that " air-cooled " consumed, though such method effect is good, but compare with above-mentioned " A ", consuming the people naturally can be more for the energy that provides.
Summary of the invention:
The present invention's purpose: the improvement that prior art is carried out with many-sided meaning (example: energy-conservation and do not take up an area of).
In order to realize goal of the invention, the technology of intending employing is as follows:
The present invention includes: sea water evaporator and heating facility thereof, and water vapor liquefier and cooling infrastructure thereof.It is characterized in that:
A. the whole equipments that comprise sea water evaporator and heating facility thereof and water vapor liquefier and cooling infrastructure thereof all are arranged on the hull.
B. above-mentioned sea water evaporator can also utilize the sun can carry out complementary heating (becoming the leading role of heat energy output at the specific period sunlight in torridity summer noon and afternoon probably) to it simultaneously except adopting conventional heating facility heating.
C. after utilizing normal temperature seawater the high-temperature vapor in the water vapor liquefier to be carried out cooling liquid (this normal temperature seawater also is heated to form " preheating " seawater of temperature drift simultaneously) on the spot, allow wherein a part enter in the sea water evaporator again, by being phase-changed into water vapour behind the further ebuillition of heated to it as the fresh water production raw material.
D. in desalting process, require the distance good more (example: 50 meters) far away more between the seawater turnover mouth of pipe of cooling infrastructure, and, the present invention should be docked in the shallow water along the coast that offshore is easy to be subjected to tidal effect.---the ocean fluctuation tide water level that is all changing at any time, waters, deep-sea when calm, will form tangible tidal flow phenomenon to the shallow water along the coast, promptly cause tangible rising tide current and ebb tide current, this constantly reciprocal flowing water flow will be guaranteed near the normal temperature seawater in the waters of the present invention, can not heat up to some extent because of being used for cooling down high-temperature water vapour in a large number.Like this, just can realize making full use of tidal flow guarantees the be cooled effect of liquefaction of high-temperature vapor of the present invention.
The present invention's characteristics compared with the prior art:
A. since the present invention be arranged on the seawater water surface as fresh water raw material and heat-eliminating medium, for the land factory building land used resource of saves valuable with utilize " cold energy " resource of normal temperature seawater in the Nature all to create condition easily nearby.
B. owing to can utilize inexhaustible in the normal temperature seawater " cold energy " to come output fresh water behind the cooling liquid high-temperature vapor nearby, and with sun power as supplementary energy to sea water evaporator heating, this makes the present invention to the energy utilization in the Nature resource (not containing above-mentioned waste thermal energy for explosive evaporatoin " preheating " seawater recycles), account for and consume more than 50% of total energy in the seawater desalination system, should create condition for the energy that provides by the people for saving in a large number.
C. owing to can adjust easily directly, for guaranteeing seawer quality (relevant with the contaminated degree of seawater) and all having created condition as the normal temperature seawater quality (the present invention is difficult for causing its intensification can assist output fresh water expeditiously) of heat-eliminating medium with the content of trace mineral wherein as the fresh water raw material from marine geographical position of drawing seawater nearby.
D. owing to can make things convenient on the water and move, low-costly produce and can turn back to by water easily again again later on the present invention in batches and make factory site (the maintenance condition is complete) and regularly or aperiodically overhaul the condition of all having created for of the present invention.
Description of drawings:
Figure has illustrated one embodiment of the present of invention (all equipments of seawater desalination system are arranged in the hull).
1: hull; 2: the water vapour liquefier; 3: cooling infrastructure; 4: water valve; 5: sea water evaporator; 6: conventional heating facility; 7: water discharge valve; 8: seawer outlet; 9: the fresh water delivery port; 10: sea intake; 11: water pump.
Embodiment:
The major portion (parts) that seawater desalination system of the present invention (facility or equipment or utensil) comprises has: sea water evaporator 5 (being made of seal casinghousing) and heating facility 6 (by type of heating heat supplies such as electric heating or fuel oil or fire coals) thereof, and water vapour liquefier 2 (constitute by seal casinghousing---its upper surface adopts the material that is easy to accept sun power to make) and cooling infrastructure 3 (water-cooled dense layout coil-type), they all are arranged in the hull 1.General sea water desaltination main purpose is to solve the primary demand (example: drink) of people to the fresh water of preciousness in order to lack fresh water area (example: island, the arabia and the desert area of coastal waters, north African or the country of offshore oil and gas exploitation base, no fresh water), therefore, the sea water desaltination industrial scale can not design very greatly usually, whole seawater desalination system (example: produce tens tons of fresh water to the hundreds of ton daily) can be arranged on above the hull 1 like this, fully; If it is very big that the scale of seawater desalination system needs really, also its decomposition can be arranged in the middle of the more than one hull 1.
The present invention berths and is operated near the sea, seashore limit, needed Mare Frigoris water is gathered materials on the spot in normal temperature seawater in its cooling infrastructure 3, by water pump 11 allow seawater in cooling infrastructure 3 with the high-temperature vapor in the mobile form water coolant steam liquefier 2 from bottom to top; Afterwards, this seawater spills out from the top of cooling infrastructure 3: the one tunnel flows out hull 1 returns the sea from seawer outlet 8 again, another road enters in the sea water evaporator 5 by water valve 4, can consider to control seawater volume in the sea water evaporator 5 occupies cubic capacity half for appropriate, water discharge valve 7 is used for concentrating the concentrated seawater (not mummification becomes solid salt to be easy to flow container) of back supersalinity and discharges; When heating unit 6 is heated to boiling to the seawater in its sea water evaporator 5, will generate a large amount of water vapour separates out from the upper surface of seawater, then, the driving that water vapour is subjected to self pressure enters the top of water vapour liquefier 2 again by the pipeline at sea water evaporator 5 tops, this high-temperature vapor from top to bottom through after the normal temperature seawater cooling effect from bottom to top, promptly is liquefied as fresh water; At last, this fresh water is transported to the place of demand fresh water by special-purpose fresh water transport pipe (adopting flexible hose to serve as usually) from fresh water delivery port 9.---water vapour liquefier 2 is arranged on the deck that slightly exceeds hull 1, so that allow the direct irradiation of sunlight on daytime also can carry out complementary heating to it.
The present invention is if can be chosen in the waters that the very near and seawater of bank off sea is in flow state (example: the mean flow rate of seawater reaches about 0.5 meter of per second) again all the time, promptly be subjected to waters (water quality of its flowing seawater generally all be well or the preferably) work of berthing of obvious tidal flow influence, use the normal temperature seawater in this waters to cool off in the process of a large amount of high-temperature vapors in a large number in the present invention, the present invention's seawater nearby phenomenon (relevant with the efficient of guaranteeing the cooling liquid high-temperature vapor) that obviously heats up will be difficult for causing, therefore, such tide waters is that the present invention should first-selected work berth.
During sea water desaltination, the Conversion of energy quantity that water becomes accounts for dominant position, and " vaporization heat " of " water change gas " equates with " heat of liquefaction " of " gas change water ".In the seawater desalination system of the present invention: the process of " water change gas " is by the heat energy that provides into main heating facility 6 and be that the sun power of assisting is born jointly, the process of " gas change water " is then born by " cold energy " in the normal temperature seawater fully, obviously, free the Nature energy is utilized rate (do not contain the fresh water liquefaction process and by the waste thermal energy utilization of high-temperature vapor " preheating " raw material seawater) and can surpasses 50% of system's total energy consumption.
Claims (3)
1. water seawater desalination system that makes full use of the natural resources, it comprises: sea water evaporator (5) and heating facility (6) thereof and water vapor liquefier (2) and cooling infrastructure (3) thereof;
It is characterized in that:
The whole equipments that comprise above-mentioned sea water evaporator (5) and heating unit (6) thereof and water vapor liquefier (2) and cooling infrastructure (3) thereof are not arranged on the land and all are arranged on the hull (1); Above-mentioned sea water evaporator (5) is not only to be to utilize heating facility (6) heating, but also can utilize sun power that it is carried out complementary heating simultaneously; Above-mentioned water vapor liquefier (2) is to utilize normal temperature seawater that wherein high-temperature vapor is carried out cooling liquid on the spot.
2. water seawater desalination system that makes full use of the natural resources as claimed in claim 1 is characterized in that the process of utilizing on the spot of described normal temperature seawater is:
At first allow normal temperature seawater that the high-temperature vapor in the water vapor liquefier (2) is carried out cooling liquid, and then allow a part wherein enter in the sea water evaporator (5), by to being phase-changed into water vapour behind its further ebuillition of heated as the fresh water production raw material.
3. water seawater desalination system that makes full use of the natural resources as claimed in claim 1 is characterized in that the position that should select when described hull (1) berths work:
Be easy to be subjected to the offshore shallow water along the coast of the reciprocal water currents of morning and evening tides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510061964 CN1803673B (en) | 2005-12-13 | 2005-12-13 | On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510061964 CN1803673B (en) | 2005-12-13 | 2005-12-13 | On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1803673A true CN1803673A (en) | 2006-07-19 |
| CN1803673B CN1803673B (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510061964 Expired - Fee Related CN1803673B (en) | 2005-12-13 | 2005-12-13 | On water seawater desalination system with natural resources(cold energy and heat energy) being fully utilized |
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| Country | Link |
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| CN (1) | CN1803673B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941742B (en) * | 2009-07-06 | 2012-08-22 | 韩国energy技术研究院 | Evaporative desalination apparatus of sea water using phase changing fluids |
| CN103420436A (en) * | 2012-05-15 | 2013-12-04 | 厦门锐思达机电科技有限公司 | Device for seawater desalination by utilizing clean energy sources |
| WO2015027530A1 (en) * | 2013-08-24 | 2015-03-05 | Cai Jingpeng | Seawater desalination or sewage purification device |
| CN108409010A (en) * | 2018-03-16 | 2018-08-17 | 陈楚 | A kind of ship environment-friendly type seawater desalination system |
-
2005
- 2005-12-13 CN CN 200510061964 patent/CN1803673B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941742B (en) * | 2009-07-06 | 2012-08-22 | 韩国energy技术研究院 | Evaporative desalination apparatus of sea water using phase changing fluids |
| CN103420436A (en) * | 2012-05-15 | 2013-12-04 | 厦门锐思达机电科技有限公司 | Device for seawater desalination by utilizing clean energy sources |
| WO2015027530A1 (en) * | 2013-08-24 | 2015-03-05 | Cai Jingpeng | Seawater desalination or sewage purification device |
| CN104418396A (en) * | 2013-08-24 | 2015-03-18 | 蔡京鹏 | Seawater desalination or sewage purification device |
| CN104418396B (en) * | 2013-08-24 | 2016-07-06 | 蔡京鹏 | A kind of desalinization or effluent treatment plant |
| CN108409010A (en) * | 2018-03-16 | 2018-08-17 | 陈楚 | A kind of ship environment-friendly type seawater desalination system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1803673B (en) | 2010-07-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: CHINA METROLOGY COLLEGE Free format text: FORMER OWNER: LIANG JIALIN Effective date: 20070420 |
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Effective date of registration: 20070420 Address after: 310018 Xiasha Higher Education Zone, Zhejiang, Hangzhou Province, China Jiliang University Applicant after: China Jiliang University Address before: 310018 branch of electrical and mechanical engineering, China Jiliang University, Xiasha Higher Education Zone, Hangzhou, Zhejiang Applicant before: Liang Jialin |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20111213 |