CN105439223A - Pressurized steam type capillary driven seawater desalination device - Google Patents
Pressurized steam type capillary driven seawater desalination device Download PDFInfo
- Publication number
- CN105439223A CN105439223A CN201510813583.4A CN201510813583A CN105439223A CN 105439223 A CN105439223 A CN 105439223A CN 201510813583 A CN201510813583 A CN 201510813583A CN 105439223 A CN105439223 A CN 105439223A
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- heat
- pipeline
- seawater
- capillary force
- desalination
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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
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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
Abstract
The invention discloses a pressurized steam type capillary driven seawater desalination device, comprising a seawater desalination evaporator which sequentially comprises a seawater cavity, a porous medium, a desalinated steam passage, a heat conduction plate and a condensation cavity, wherein a desalinated steam outlet is formed in the seawater desalination evaporator and is communicated with the desalinated steam passage, the condensation cavity and a pressure reducing pipeline; an expansion valve and the pressure reducing pipeline are communicated with a heat exchanger; the pressure reducing pipeline comprises a heat exchanging pipeline; a heat working medium is filled into the heat exchanging pipeline; a hydraulic turbine is arranged on the heat exchanging pipeline; an outlet of the heat exchanger is connected with a pressure raising pipeline; and a compressor is arranged on the pressure raising pipeline and is connected with the hydraulic turbine by virtue of a connecting rod shaft. The pressurized steam type capillary driven seawater desalination device is characterized in that a condenser in the conventional desalination technology is abandoned to avoid the maximum heat loss-condensation heat loss in seawater desalination; and on the other hand, the desalination device disclosed by the invention makes use of capillary force to drive seawater for liquid refilling and does not need pumping work, and particularly, the used porous medium is a low-heat-conductivity material, so that the sensible heat loss brought away by discharge of concentrated brine is greatly reduced.
Description
Technical field
The invention belongs to desalination technology, particularly relate to a kind of high-level efficiency and utilize the heat energy of enterprise's waste heat working medium and kinetic energy to carry out the device of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desaltination.
Background technology
By the method for desalinating sea water into fresh water sea water desaltination, its essence is separated with water by the salt in seawater.The minimum working that salt solution is separated is that sea water desaltination must catabioticly be rolled off the production line, and only have when separation engineering completely reversibility, the merit of separation consumes is only minimum working.Due to the inevitable non-reversibility of actual procedure, the energy needed for desalination process is the several times of minimum working, even thousands of times.In order to make desalination process more economically, the enable amount of exhausting should be managed close to minimum working.
Hot method desalination technology is that heating of seawater is produced steam to boiling point by one, and vapor condensation is become the method for fresh water.
During hot method sea water desaltination physical mathematics describes, the latent heat of vaporization is one maximum in all energy consumptions, fully reclaims by reasonable effective means the important thinking that the latent heat of vaporization is the light technology of Re Fahai.Which also promotes the huge occupation rate in multistage flash evaporation and multiple-effect distillation market.Also have a kind of desalination mode very important in hot method, China Patent No., the sea water desaltination of disclosed one pressure steam distillation method, it, by heating up as heat source seawater to the pressurization of secondary steam, has reclaimed latent heat.
Desalination technology is promoted difficulty and is mainly that energy consumption is large, cost is high.From the Analysis of Second Law of Thermodynamics, use heat source temperature lower, available energy that can be fewer is more economical, energy-conservation.More Low Temperature Thermal method sea water desaltination new technology appears in SCI periodical Desalination, and its working temperature is at 60 DEG C or lower, and new desalination techniques drastically increases the economical of energy utilization, provides important enlightenment to energy-saving residual-heat field of reclaiming.The light technology in low temperature sea is combined with waste heat used heat, saving Nonrenewable resources and alleviation Freshwater resources is lacked and is significant.
Almost every day, this part thermal source was low due to temperature, is difficult to further recycling, and enterprise is directly externally discharge often all at waste vapour or the waste water of constant outwards discharge 40-50 DEG C in the enterprises such as iron and steel, cement, petrochemical industry.A large amount of technology is all inclined to the heat how recycled in waste vapour/waste water, seldom has the kinetic energy contained in technical concerns to waste vapour/water.Reclaim the heat energy in hot working fluid and kinetic energy simultaneously, utilize kinetic energy to drive compressor to carry out being used as again after pressurization heats up the thermal source of sea water desaltination to steam, there is the realistic meaning of outbalance.
Summary of the invention
For the problems referred to above, the invention discloses a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant.
For solving above technical problem, technical scheme provided by the invention is:
A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, it is characterized in that, comprise seawater desalination evaporators, described seawater desalination evaporators comprises seawater chamber, porous medium, desalination vapour passage, heat-conducting plate and condensation chamber successively, the two ends up and down in described seawater chamber are provided with sea intake and seawer outlet, described sea intake is communicated with outlet pipeline with suction culvert respectively with seawer outlet, and the lower end of described condensation chamber is provided with condensation-water drain;
Described seawater desalination evaporators is provided with desalination vapour outlet, described desalination vapour outlet is communicated with desalination vapour passage, condensation chamber and step-down pipeline, described step-down pipeline is provided with expansion valve, step-down pipeline connection heat exchanger, step-down pipeline comprises heat exchanging pipe, hot working fluid is injected with in described heat exchanging pipe, heat exchanging pipe is provided with water turbine, the outlet of heat exchanger connects boosting pipeline, described boosting pipeline is provided with compressor, described compressor is connected with water turbine by pitman shaft, the condensation chamber of described boosting pipeline connection seawater desalination evaporators;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described compressor is driven by pitman shaft by water turbine, and water turbine is driven by the hot working fluid in heat exchanging pipe;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, the bottom of described compressor is provided with condensate line;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described hot working fluid is industrial circulating water;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described seawater desalination evaporators drives seawater to enter seawater desalination evaporators from sea intake, suction culvert by the capillary force of porous medium;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described porous medium is low heat conductivity material low thermal conductivity material, reduces strong brine and discharges the sensible heat loss taken away.
Beneficial effect of the present invention is:
A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant disclosed by the invention, its feature is:
(1) give up the condenser in conventional desalination technology completely, avoid thermosteresis maximum in sea water desaltination-heat of condensation loss;
(2) in device without recirculated water, washing slag water etc., decrease the loss of heat energy, make use of the heat energy of thermal source to greatest extent;
(3) water turbine is arranged on heat exchanging pipe, is driven by hot working fluid, and drive compressor by pitman shaft, low temperature and low pressure steam is compressed into high temperature and high pressure steam, the ingenious kinetic energy utilizing hot working fluid, improve system throughput;
(4) device adopts porous medium to carry out sea water desaltination, can drive seawater fluid infusion, without the need to pump merit by capillary force; Porous medium is low heat conductivity material low thermal conductivity material, greatly reduces strong brine and discharges the sensible heat loss taken away;
(5) in seawater desalination evaporators condensation chamber circulation process in, both the step-down condensation to High Temperature High Pressure desalination steam had been played, well heater effect is served as again in fresh-water generator, heat exchange is carried out with heat-conducting plate, make the heating of seawater in porous medium become steam, pass into expansion valve simultaneously by desalination vapour outlet and step-down pipeline;
In sum, a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant disclosed by the invention, has given up the condenser in conventional desalination technology, avoid thermosteresis maximum in sea water desaltination-heat of condensation loss, on the other hand, the present invention utilizes capillary force to drive seawater fluid infusion, without the need to pump merit.Especially, the porous medium of use is low heat conductivity material low thermal conductivity material, greatly reduces strong brine and discharges the sensible heat loss taken away.
Accompanying drawing explanation
Fig. 1 schematic diagram of the present invention.
Embodiment
A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as shown in the figure, it is characterized in that, comprise seawater desalination evaporators 1, described seawater desalination evaporators 1 comprises seawater chamber 2, porous medium 3, desalination vapour passage 4, heat-conducting plate 5 and condensation chamber 6 successively, the two ends up and down in described seawater chamber 2 are provided with sea intake 7 and seawer outlet 8, described sea intake 7 is communicated with outlet pipeline 10 with suction culvert 9 respectively with seawer outlet 8, and the lower end of described condensation chamber 6 is provided with condensation-water drain 11;
Described seawater desalination evaporators 1 is provided with desalination vapour outlet 12, described desalination vapour outlet 12 is communicated with desalination vapour passage 13, condensation chamber 6 and step-down pipeline 14, described step-down pipeline 14 is provided with expansion valve 15, step-down pipeline 14 is communicated with heat exchanger 16, step-down pipeline 16 comprises heat exchanging pipe 17, hot working fluid is injected with in described heat exchanging pipe 17, heat exchanging pipe 17 is provided with water turbine 18, the outlet of heat exchanger 16 connects boosting pipeline 19, described boosting pipeline 19 is provided with compressor 20, described compressor 20 is connected with water turbine 18 by pitman shaft 21, described boosting pipeline 19 is communicated with the condensation chamber 6 of seawater desalination evaporators 1,
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described compressor 20 is driven by pitman shaft 19 by water turbine 18, and water turbine 18 is driven by the hot working fluid in heat exchanging pipe 17;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, the bottom of described compressor 20 is provided with condensate line 22;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described hot working fluid is industrial circulating water;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described seawater desalination evaporators 1 drives seawater to enter seawater desalination evaporators 1 from sea intake 7, suction culvert 9 by the capillary force of porous medium 3;
Above-mentioned a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, wherein, described porous medium 3 is low heat conductivity material low thermal conductivity material, reduces strong brine and discharges the sensible heat loss taken away.
A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant of the present invention, its principle of work is as follows: seawater is from suction culvert, sea intake enters the seawater chamber of seawater desalination evaporators, through porous medium, enter desalination vapour passage, contact with heat-conducting plate, evaporate, the desalination steam that evaporation produces enters expansion valve by step-down pipeline, cooling, step-down becomes Low Temperature Steam, after enter the hot device of heat exchange and absorb heat from heat source, then enter compressor to compress, heat up, boost into high-temperature steam, finally entering high-temperature steam enters in condensation chamber, heat exchange is carried out by heat-conducting plate and seawater, high-temperature steam carries out condensation, seawater evaporates, the fresh water of condensation is discharged from condensation-water drain, the steam at not solidifying night enters step-down pipeline again in company with desalination steam, carry out step-down,
Wherein, in compressor compresses boost process, have some vapor and condense into the bottom that fresh water drops on compressor, discharged by condensate line subsequently, evaporate remaining high density seawater and discharge from seawater outlet pipeline.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1. a pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant, it is characterized in that, comprise seawater desalination evaporators, described seawater desalination evaporators comprises seawater chamber, porous medium, desalination vapour passage, heat-conducting plate and condensation chamber successively, the two ends up and down in described seawater chamber are provided with sea intake and seawer outlet, described sea intake is communicated with outlet pipeline with suction culvert respectively with seawer outlet, and the lower end of described condensation chamber is provided with condensation-water drain.
2. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 1, it is characterized in that, described seawater desalination evaporators is provided with desalination vapour outlet, described desalination vapour outlet is communicated with desalination vapour passage, condensation chamber and step-down pipeline, described step-down pipeline is provided with expansion valve, step-down pipeline connection heat exchanger, step-down pipeline comprises heat exchanging pipe, hot working fluid is injected with in described heat exchanging pipe, heat exchanging pipe is provided with water turbine, the outlet of heat exchanger connects boosting pipeline, described boosting pipeline is provided with compressor, described compressor is connected with water turbine by pitman shaft, the condensation chamber of described boosting pipeline connection seawater desalination evaporators.
3. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 2, it is characterized in that, described compressor is driven by pitman shaft by water turbine, and water turbine is driven by the hot working fluid in heat exchanging pipe.
4. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 2, it is characterized in that, the bottom of described compressor is provided with condensate line.
5. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 2, it is characterized in that, described hot working fluid is industrial circulating water.
6. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 1, is characterized in that, described seawater desalination evaporators drives seawater to enter seawater desalination evaporators from sea intake, suction culvert by the capillary force of porous medium.
7. a kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE sea water desalinating plant as claimed in claim 1, it is characterized in that, described porous medium is low heat conductivity material low thermal conductivity material, reduces strong brine and discharges the sensible heat loss taken away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510813583.4A CN105439223B (en) | 2015-11-23 | 2015-11-23 | A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE desalination plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510813583.4A CN105439223B (en) | 2015-11-23 | 2015-11-23 | A kind of pressed-steam type REFRIGERATION SYSTEM DRIVEN BY CAPILLARY FORCE desalination plant |
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| CN105439223A true CN105439223A (en) | 2016-03-30 |
| CN105439223B CN105439223B (en) | 2018-07-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182873A (en) * | 2019-06-24 | 2019-08-30 | 温州大学激光与光电智能制造研究院 | The portable light purification device of seawater |
| CN111747465A (en) * | 2020-06-24 | 2020-10-09 | 武汉润德工程技术有限公司 | Natural force driven efficient waste heat seawater desalination device and method |
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| CN101935078A (en) * | 2010-09-20 | 2011-01-05 | 广州金抡电器有限公司 | Sea water desalination device and method |
| CN102125804A (en) * | 2010-01-12 | 2011-07-20 | 天津海之凰科技有限公司 | Vapor compression distillation device and method using nonmetallic heat conducting hollow fibers |
| CN102125805A (en) * | 2010-01-12 | 2011-07-20 | 天津海之凰科技有限公司 | Vapor compression membrane distillation device and method |
| CN104609488A (en) * | 2015-01-28 | 2015-05-13 | 南京航空航天大学 | Cascade seawater desalination system and method thereof |
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2015
- 2015-11-23 CN CN201510813583.4A patent/CN105439223B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125804A (en) * | 2010-01-12 | 2011-07-20 | 天津海之凰科技有限公司 | Vapor compression distillation device and method using nonmetallic heat conducting hollow fibers |
| CN102125805A (en) * | 2010-01-12 | 2011-07-20 | 天津海之凰科技有限公司 | Vapor compression membrane distillation device and method |
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| CN104609488A (en) * | 2015-01-28 | 2015-05-13 | 南京航空航天大学 | Cascade seawater desalination system and method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182873A (en) * | 2019-06-24 | 2019-08-30 | 温州大学激光与光电智能制造研究院 | The portable light purification device of seawater |
| CN111747465A (en) * | 2020-06-24 | 2020-10-09 | 武汉润德工程技术有限公司 | Natural force driven efficient waste heat seawater desalination device and method |
| CN111747465B (en) * | 2020-06-24 | 2022-04-05 | 武汉润德工程技术有限公司 | Natural force driven efficient waste heat seawater desalination device and method |
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| CN105439223B (en) | 2018-07-10 |
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