CN207845203U - Solar heat pump desalination plant - Google Patents

Solar heat pump desalination plant Download PDF

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Publication number
CN207845203U
CN207845203U CN201820069304.7U CN201820069304U CN207845203U CN 207845203 U CN207845203 U CN 207845203U CN 201820069304 U CN201820069304 U CN 201820069304U CN 207845203 U CN207845203 U CN 207845203U
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China
Prior art keywords
pipeline
heat pump
pump
fresh
solar
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Active
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CN201820069304.7U
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Chinese (zh)
Inventor
李秀辰
孙彩玲
母刚
张国琛
张倩
潘仁宇
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Dalian Ocean University
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Dalian Ocean University
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Priority to CN201820069304.7U priority Critical patent/CN207845203U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment
    • Y02A20/212Solar-powered wastewater sewage treatment, e.g. spray evaporation

Abstract

The utility model discloses a kind of solar heat pump desalination plant, including fresh seawater pond, it is characterised in that:Fresh seawater pond is connected by the first pipeline with solar still, it is provided with flowmeter and control valve on the first pipeline, simultaneously heat exchanger is additionally provided on the first pipeline, solar still is equipped with transparent upper cover, the top of solar still is connected to by the second pipeline with fresh-water pool, and the lower part of solar still is then connected to by third pipeline with vacuum flashing room, the condenser of water pump and heat pump system is provided on third pipeline, the vacuum flashing room is connected to by steam pipework with fresh-water pool, vacuum meter and vacuum pump are provided on steam pipework, the evaporator of heat pump system is additionally provided on steam pipework simultaneously, vacuum flashing room is also connected to by the 4th pipeline with water pump with strong brine pond, and the heat exchanger is also disposed on the 4th pipeline.

Description

Solar heat pump desalination plant
Technical field
The utility model is related to field of seawater desalination, especially a kind of solar heat pump desalination plant.
Background technology
Sea water desalination is to solve the problems, such as the important channel of shortage of water resources, and research and the application of desalination technology are always The key task of ocean engineering field.Currently used method for desalting seawater includes the way of distillation and membrane technology etc..In recent years, with more Grade flash distillation and the distillation sea water desalting technology that multi-effect flashing steam is Main Patterns have obtained wide application, but energy consumption it is big, The high problem of desalinating cost constrains the scale application of the above method.In addition, reverse osmosis and electrodialysis Membrane seawater desalination skill The research of art obtains greater advance, however, since that there are still energy consumptions is big, film processing use cost is high and desalinating process for this method The outstanding problems such as complexity have seriously affected the scale application of Membrane seawater desalination technology.Therefore, carry out new energy sea water desalination It is big, of high cost especially to solve sea water desalination energy consumption to pushing desalination technology large-scale production for the research and application of technology The problems such as, it is of great significance.
Invention content
The utility model is to propose that one kind can be achieved at the same time seawater to solve the above-mentioned deficiency present in the prior art The functions such as desalination, strong brine and water vapour waste heat recovery, and with the sun of the clear superiorities such as efficient, energy saving and utilization of new energy resources It can heat pump sea water desalting apparatus.
The technical solution of the utility model is:A kind of solar heat pump desalination plant, including fresh seawater pond 1, it is characterised in that:Fresh seawater pond 1 is connected by the first pipeline with solar still 2, is provided on the first pipeline Flowmeter 3 and control valve 4, while heat exchanger 5 is additionally provided on the first pipeline, solar still 2 is equipped with transparent upper cover, too The top of positive energy distiller 2 is connected to by the second pipeline with fresh-water pool 6, and the lower part of solar still 2 then passes through third pipe Road is connected to vacuum flashing room 7, and the condenser 9 of water pump 8 and heat pump system, the vacuum flashing are provided on third pipeline 3 Room 7 is connected to by steam pipework 10 with fresh-water pool 6, is provided with vacuum meter 11 and vacuum pump 12 on steam pipework 10, while Be additionally provided with the evaporator 13 of heat pump system on steam pipework 10, vacuum flashing room 7 also by the 4th pipeline with water pump 8 with Strong brine pond 14 is connected to, and the heat exchanger 5 is also disposed on the 4th pipeline,
The desalting plant further includes heat pump system, and the heat pump system includes the condenser 9 and evaporator 13, and condenser 9 and evaporator 13 are interconnected by circuit, and pressure gauge, high pressure storage are provided on circuit between Flow container 15, device for drying and filtering 16, solenoid valve 17,18 gas-liquid separator 19 of expansion valve and compressor 20.
The utility model compared with the existing technology, has the following advantages that:
The solar heat pump desalination plant of this kind of structure type, utilizes the waste heat pair of solar energy, heat pump and strong brine Fresh seawater is heated up and is preheated, and the vapor generated using desalination is made the heat source of heat pump and provides heat for heat pump fluid evaporation Amount not only overcomes the problem of carrying out seawater heating by conventional energy resource merely, but also realizes recycling and the water of waste heat The rapid condensation of steam.In addition, the multistage desalinating process being combined using solar distilling and vacuum flashing, it is light to improve seawater The efficiency of change and the newly utilization rate of energy.Comprehensive function of the equipment with sea water desalination, utilization of new energy resources and waste heat recovery.This sets Standby technique is advanced, simple in structure, energy-efficient, easy to maintain.It is in short supply suitable for the coals electric resources such as island, ship and land Place promote and apply.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific implementation mode
Below in conjunction with description of the drawings specific embodiment of the present utility model.As shown in Figure 1:A kind of solar heat pump sea Water desalination apparatus, including fresh seawater pond 1, this fresh seawater pond 1 are connected by the first pipeline with solar still 2, It is provided with flowmeter 3 and control valve 4 on the first pipeline, while being additionally provided with heat exchanger 5 on the first pipeline, above-mentioned solar energy Distiller 2 is equipped with transparent upper cover, and the top of solar still 2 is connected to by the second pipeline with fresh-water pool 6, and solar distilling The lower part of device 2 is then connected to by third pipeline with vacuum flashing room 7, and water pump 8 and heat pump system are provided on third pipeline 3 Condenser 9, the vacuum flashing room 7 are connected to by steam pipework 10 with fresh-water pool 6, and vacuum meter is provided on steam pipework 10 11 and vacuum pump 12, while it being additionally provided on steam pipework 10 evaporator 13 of heat pump system, vacuum flashing room 7 also passes through band There is the 4th pipeline of water pump 8 to be connected to strong brine pond 14, and the heat exchanger 5 is also disposed on the 4th pipeline,
This desalting plant further includes heat pump system, and heat pump system includes then above-mentioned condenser 9 and evaporator 13, and is condensed Device 9 and evaporator 13 are interconnected by circuit, and pressure gauge is provided on circuit between, high pressure fluid reservoir 15, is done Dry filter 16, solenoid valve 17,18 gas-liquid separator 19 of expansion valve and compressor 20.
The course of work of the solar heat pump desalination plant of the utility model embodiment is as follows:It will by the first pipeline Fresh seawater in fresh seawater pond 1 is transported in solar still 2(Can water pump be set on the first pipeline), this part sea Water can absorb heat in heat exchanger 5, realize preheating;Since the top of solar still 2 is provided with transparent upper cover, Temperature in solar still 2 can be relatively high, can be steamed in it into the fresh seawater of solar still 2 after preheating Hair, the water vapour generated after evaporation can be automatically into the second pipeline, and liquid is condensed into the second pipeline, and this part of liquid The fresh water of state eventually enters in fresh-water pool 6;And remaining seawater then can be under the action of water pump 9 in solar still 2 It is entered in vacuum flashing room 7 by third pipeline, and before entering vacuum flashing room 7, this part seawater can also condense Heat is further absorbed in device 9, under the action of vacuum flashing room 7, seawater becomes vapor, starts vacuum pump 12, allows water Steam enters steam pipework 10, and water vapour is condensed into liquid under the action of evaporator 13, and is finally imported into fresh-water pool 6; And remaining liquid seawater is then the higher strong brine of salinity, this part strong brine in vacuum flashing vapour 7(It is loaded with heat)In water Entered in strong brine pond 14 by the 4th pipeline under the action of pump 9, and during strong brine flows, the heat carried is also It can be transferred in heat exchanger 5 in the fresh seawater in first pipeline, it is preheated;
At work, 20 compressed air of compressor obtains the gas medium of high temperature and pressure to heat pump system in the present apparatus, this Portion gas medium enters in condenser 9, and the heat transfer in gas medium is this part seawater to the seawater in third pipeline Further heating, in condenser 9, gas medium is condensed into liquid medium, and passes sequentially through high pressure fluid reservoir 15, dry filter After device 16, solenoid valve 17 and expansion valve 18 enter evaporator 13 in, and be loaded with heat water vapour can in evaporator 13 with liquid State medium heat exchange, liquid medium heat absorption becomes gaseous medium again, and liquid fresh water is formed after water vapour exothermic condensation, finally Into in fresh-water pool 6;And revert to gaseous medium again then can be by participating in heat pump system again after gas-liquid separator 19 Cycle in.

Claims (1)

1. a kind of solar heat pump desalination plant, including fresh seawater pond(1), it is characterised in that:Fresh seawater pond(1)It is logical Cross the first pipeline and solar still(2)It is connected, flowmeter is provided on the first pipeline(3)And control valve(4), simultaneously It is additionally provided with heat exchanger on the first pipeline(5), solar still(2)Equipped with transparent upper cover, solar still(2)It is upper Portion passes through the second pipeline and fresh-water pool(6)Connection, and solar still(2)Lower part then pass through third pipeline and vacuum flashing Room(7)Connection, water pump is provided on third pipeline(8)With the condenser of heat pump system(9), the vacuum flashing room(7)It is logical Cross steam pipework(10)With fresh-water pool(6)Connection, in steam pipework(10)On be provided with vacuum meter(11)And vacuum pump(12), together When in steam pipework(10)On be additionally provided with the evaporator of heat pump system(13), vacuum flashing room(7)Also by carrying water pump(8) The 4th pipeline and strong brine pond(14)Connection, and the heat exchanger(5)It is also disposed on the 4th pipeline,
The desalting plant further includes heat pump system, and the heat pump system includes the condenser(9)And evaporator (13), and condenser(9)And evaporator(13)By circuit be interconnected, be provided on circuit between pressure gauge, High pressure fluid reservoir(15), device for drying and filtering(16), solenoid valve(17), expansion valve(18)Gas-liquid separator(19)And compressor (20).
CN201820069304.7U 2018-01-16 2018-01-16 Solar heat pump desalination plant Active CN207845203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820069304.7U CN207845203U (en) 2018-01-16 2018-01-16 Solar heat pump desalination plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820069304.7U CN207845203U (en) 2018-01-16 2018-01-16 Solar heat pump desalination plant

Publications (1)

Publication Number Publication Date
CN207845203U true CN207845203U (en) 2018-09-11

Family

ID=63414598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820069304.7U Active CN207845203U (en) 2018-01-16 2018-01-16 Solar heat pump desalination plant

Country Status (1)

Country Link
CN (1) CN207845203U (en)

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