CN203159268U - solar air conditioning seawater desalination system - Google Patents

solar air conditioning seawater desalination system Download PDF

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Publication number
CN203159268U
CN203159268U CN2013200354454U CN201320035445U CN203159268U CN 203159268 U CN203159268 U CN 203159268U CN 2013200354454 U CN2013200354454 U CN 2013200354454U CN 201320035445 U CN201320035445 U CN 201320035445U CN 203159268 U CN203159268 U CN 203159268U
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China
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heat
lithiumbromide
seawater desalination
solar
enters
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刘学忠
李雪磊
刘治川
张凤友
范春琳
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Chinese Electronics Engineering Design Institute
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Chinese Electronics Engineering Design Institute
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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
    • 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
    • Y02A20/142—Solar thermal; Photovoltaics
    • 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
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • 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
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

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  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The utility model relates to the technical field of seawater desalination and in particular relates to a solar air conditioning seawater desalination system. The solar air conditioning seawater desalination system comprises a solar heat collection device, a seawater desalination system and a refrigeration device; after steam generated by the heat absorption of lithium bromide solution of a lithium bromide inspissator enters into tube pass of a lithium bromide evaporator to be condensed into plain water, the plain water enters into an evaporation absorber through a heat exchanger, and the lithium bromide solution in the lithium bromide inspissator enters into the evaporation absorber through the heat exchanger; and steam, generated because the lithium bromide solution in the evaporation absorber enters into shell pass of the lithium bromide evaporator to absorb heat, enters into a first effect evaporator to act as a heat source for the seawater desalination, and the condensed lithium bromide solution enters into the lithium bromide inspissator. By adopting the technical scheme provided by the utility model, the energy utilization rate of solar energy is improved, and the technical scheme is suitable for expanding the scale of the solar air conditioning seawater desalination system.

Description

A kind of solar airconditioning seawater desalination system
Technical field
The utility model relates to field of sea water desalting technology, particularly a kind of solar airconditioning seawater desalination system.
Background technology
China's desalination technology starting is morning, and the main development pattern of desalination with Solar Energy is the solar photovoltaic power plant generating at present, carries out sea water desaltination with the power supply of microgrid formula by reverse osmosis.The efficient of solar energy power generating is very low, so energy utilization rate is very low.Desalination with Solar Energy also has the low-temperature multiple-effect seawater desalination of employing technology, the low-temperature multi-effect technology refers to that the high evaporation temperature of seawater is lower than 70 ℃ multi-effect distilling desalination techniques, be with a plurality of evaporator series, pass through repeatedly evaporation and condensation with a certain amount of steam input, and the vaporization temperature of the vaporizer that the vaporization temperature of the vaporizer of last effect is imitated greater than back one, thereby obtain being multiple times than the desalination process of the distilled water of quantity of steam.Solar low-temperature multi-effect sea water desalting technology is owing to energy-conservation factor, and development in recent years is rapid.
Solar airconditioning mainly adopts sorption type refrigerating technology at present, this technology is to utilize the absorption of absorption agent and the technology that evaporation characteristic is freezed, being specially solar energy collector absorbs solar radiation and the thermal energy transfer that produces is arrived heat-transfer medium, absorption agent and heat-transfer medium carry out thermal exchange, the absorption of recycling absorption agent and evaporation characteristic are used for refrigeration, but there is energy wastage in this process, is unfavorable for the expansion scale.
The defective of prior art is that energy utilization rate is lower in the solar seawater desalination system, also has the waste of energy in the solar air-conditioner system.
The utility model content
The purpose of this utility model provides a kind of solar airconditioning seawater desalination system, in order to improve energy utilization rate.
The utility model solar airconditioning seawater desalination system comprises: solar energy heat collector, sea water desalinating plant and refrigeration plant, wherein,
Described solar energy heat collector comprises solar energy collector, lithiumbromide thickener and the heat pipe of the closure of heat-conducting medium is housed that described solar energy collector and lithiumbromide thickener are arranged on the pipeline of heat pipe;
Described sea water desalinating plant comprises condenser and two-effect evaporation device at least, and wherein, being positioned at least, the last evaporator of two-effect evaporation device one end is communicated with condenser;
Described refrigeration plant comprises evaporation absorber, and the lithiumbromide vaporizer and the refrigerator that are communicated with evaporation absorber respectively, and the first evaporator of the two-effect evaporation device the other end is communicated with described lithiumbromide vaporizer with being positioned at least with the lithiumbromide thickener respectively;
The steam that the heat absorption of the lithium-bromide solution of lithiumbromide thickener produces enters lithiumbromide vaporizer tube side and is condensed into fresh water and enters described evaporation absorber by interchanger, and the lithium-bromide solution in the lithiumbromide thickener enters described evaporation absorber through interchanger; The steam that lithium-bromide solution in the described evaporation absorber enters the shell side heat absorption generation of lithiumbromide vaporizer enters first evaporator as the thermal source of sea water desaltination, and concentrated lithium-bromide solution enters the lithiumbromide thickener.
Preferably, described solar energy collector is high-temp solar heat collector.
Preferable, described high-temp solar heat collector is slot type glass-vacuum tube heat collector.
Preferably, described heat-conducting medium is thermal oil, and described heat pipe is provided with the thermal oil lift pump.
Preferably, described lithiumbromide thickener is the high temperature thickener, comprises housing and the mist eliminator that is arranged at the housing top.
Preferably, described lithiumbromide vaporizer comprises housing, be positioned at the heat-exchanging tube bundle of housing, be positioned at the spray thrower of heat-exchanging tube bundle top, and the fresh water collection box that is positioned at heat-exchanging tube bundle one end.
Preferably, the seawater in the described condenser is divided into two strands behind sea water circulating pump, and one pumps into two-effect evaporation device at least, and one directly discharges.
Preferably, described evaporation absorber comprises evaporator room, absorption chamber and the mist eliminator between described evaporator room and absorption chamber, and the fresh water in the evaporator room is used for refrigeration, and the lithium-bromide solution in the absorption chamber pumps into the shell side of lithiumbromide vaporizer by liquid pump.
Preferably, described interchanger comprises the two-stage interchanger, is respectively Recuperative heat exchanger and cooling water heat exchanger.
Preferably, described interchanger is double-pipe exchanger or plate-type heat exchanger.
In the utility model solar airconditioning seawater desalination system, because the heat energy that solar energy collector is obtained is respectively applied to sea water desaltination and refrigeration by the circulation of lithiumbromide vaporizer and lithiumbromide thickener, and rationally utilize waste heat by interchanger, therefore improved energy utilization rate, in addition, the steam that produces in the lithiumbromide vaporizer can improve solar energy utilization ratio as the thermal source of sea water desaltination, improves water production rate.
Description of drawings
Fig. 1 is the structural representation of the utility model solar airconditioning seawater desalination system.
Reference numeral:
The former seawater water-in of 1-; 2-seawater discharge outlet; 3-concentrated seawater discharge outlet; 4-fresh water discharge outlet;
The 5-cooling water discharge port; The 6-cooling water intake; The 7-solar energy collector; 8-thermal oil lift pump;
9-lithiumbromide thickener; 10-lithiumbromide vaporizer; The 11-vaporizer; The 12-condenser;
The 13-sea water circulating pump; 14-concentrated seawater pump; The 15-fresh water pump; The 16-Recuperative heat exchanger;
The 17-Recuperative heat exchanger; The 18-cooling water heat exchanger; The 19-cooling water heat exchanger; The 20-liquid pump;
The 21-absorption chamber; The 22-evaporator room; The 23-refrigerator; The 24-heat pipe; The 25-evaporation absorber
Embodiment
In order to solve the low technical problem of solar seawater desalination system energy utilization rate that exists in the prior art, the utility model provides a kind of solar airconditioning seawater desalination system.In technical solutions of the utility model, because the heat energy that solar energy collector is obtained is respectively applied to sea water desaltination and refrigeration by the circulation of lithiumbromide vaporizer and lithiumbromide thickener, and rationally utilize waste heat by interchanger, therefore improved energy utilization rate, in addition, the steam that produces in the lithiumbromide vaporizer can enlarge the scale of sea water desaltination as the thermal source of sea water desaltination, improves water production rate.For making the purpose of this utility model, technical scheme and advantage clearer, by the following examples the utility model is described in further detail.
As shown in Figure 1, the utility model solar airconditioning seawater desalination system comprises: solar energy heat collector, sea water desalinating plant and refrigeration plant, wherein,
Solar energy heat collector comprises solar energy collector 7, lithiumbromide thickener 9 and the heat pipe 24 of the closure of heat-conducting medium is housed that solar energy collector 7 and lithiumbromide thickener 9 are arranged on the pipeline of heat pipe 24;
Sea water desalinating plant comprises condenser 12 and two-effect evaporation device 11 at least, and wherein, being positioned at least, the last evaporator of two-effect evaporation device 11 1 ends is communicated with condenser 12;
Refrigeration plant comprises evaporation absorber 25, and the lithiumbromide vaporizer 10 that is communicated with evaporation absorber 25 respectively and refrigerator 23, the first evaporator of two-effect evaporation device 11 the other ends is communicated with described lithiumbromide vaporizer 10 with being positioned at least with lithiumbromide thickener 9 respectively;
The steam that lithium-bromide solutions heat absorption in the lithiumbromide thickener 9 produces enters lithiumbromide vaporizer 10 tube sides and is condensed into fresh water and enters described evaporation absorber by interchanger, and the lithium-bromide solutions in the lithiumbromide thickener 9 enter described evaporation absorber through interchanger; The steam that lithium-bromide solution in the described evaporation absorber enters the shell side heat absorption generation of lithiumbromide vaporizer 10 enters first evaporator as the thermal source of sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener 10.
In the technical solution of the utility model, solar energy collector absorbs heat energy that solar radiation produces and flows to lithium-bromide solution in the lithiumbromide thickener by the heat-conducting medium in the heat pipe, lithium-bromide solution heat absorption back forms the tube side that steam enters into the lithiumbromide vaporizer, lithium-bromide solution in the lithiumbromide vaporizer shell side and the steam in the tube side carry out heat exchange formation secondary steam and originate as the steam in the sea water desalinating plant, this steam can be used for the sea water desaltination of two-effect evaporation device at least, can be used for triple effect, quadruple effect, the sea water desaltination of quintuple effect evaporator, even can be for the sea water desaltination of six effects or seven single-effect evaporators, enlarged the scale of sea water desaltination, improve water production rate, and improved energy utilization rate.In addition, the heat energy of exporting in the solar energy heat collector also is used for refrigeration, and the energy is carried out many parts utilization, has improved energy utilization rate.
Preferably, solar energy collector 7 is high-temp solar heat collector.
Those skilled in the art as can be known, solar energy collector can be divided into high-temp solar heat collector, middle temperature solar heat collector and low-temperature solar energy heat collector according to the scope of working temperature.Preferably, adopt high-temp solar heat collector, the temperature of the heat-conducting medium in the heat pipe can reach 160 ~ 170 degrees centigrade, even can reach 200 degrees centigrade, and such high temperature heat conducting medium bromizates the easier evaporation of lithium-bromide solution in the lithium thickener.In order further to improve energy utilization rate, can increase heat-pump apparatus according to the steam condition of lithiumbromide thickener generation, improve the steam cycle amount, so just can increase the treatment capacity that lithium-bromide solution concentrates, increase the air conditioner refrigerating amount.
Preferably, high-temp solar heat collector is slot type glass-vacuum tube heat collector.
Glass-vacuum tube is placed the flute profile solar absorption panels, increase the assimilated efficiency to sun power, further improve energy utilization rate.
Preferably, heat-conducting medium is thermal oil, and heat pipe 24 is provided with thermal oil lift pump 8.
Heat-conducting medium adopts thermal oil, the difference of altitude of solar energy collector and lithiumbromide thickener can be set according to practical situation, the density difference of realizing thermal oil flows, preferable, when the density difference of thermal oil is not enough to support that thermal oil flows in heat pipe, can thermal oil lift pump 8 be set at heat pipe, be used as the transmitting power of thermal oil.
Preferably, lithiumbromide thickener 9 is the high temperature thickener, comprises housing and the mist eliminator that is arranged at the housing top.
Supporting with high-temp solar heat collector, the lithiumbromide thickener also adopts the high temperature thickener, because solar energy collector makes the temperature of thermal oil very high, when the very high thermal oil of temperature during through heat pipe and lithium-bromide solution heat exchange, lithium-bromide solution produces high-temperature steam, therefore adopt the high temperature thickener, the mist eliminator on housing top is used for the steam that enters the lithiumbromide vaporizer is removed the lithiumbromide droplet.
Preferably, lithiumbromide vaporizer 10 comprises housing, be positioned at the heat-exchanging tube bundle of housing, be positioned at the spray thrower of heat-exchanging tube bundle top, and the fresh water collection box that is positioned at heat-exchanging tube bundle one end.
The lithiumbromide vaporizer adopts tube and shell heat exchanger, can be one or two even more.The lower lithium-bromide solution of temperature sprays outer wall to heat-exchanging tube bundle by spray thrower, carry out heat exchange with the hot steam in the heat-exchanging tube bundle, the lithium-bromide solution evaporation forms steam and originates as the steam in the sea water desalinating plant, the lithium-bromide solution that concentrates enters the lithiumbromide thickener, the hot steam condensation forms fresh water and collects by the fresh water collection box, is used for the source of refrigeration plant low-temperature cold water.
Preferably, be divided into two strands with seawater in the condenser 12 that the low-temperature multi-effect vaporizer is connected behind sea water circulating pump 13, one pumps at least two vaporizers 11 respectively, and one directly discharges.
The seawater that enters by former seawater water-in 1 is preferably simple pretreated seawater, seawater enters condenser 12 heat absorption backs and is divided into two strands by sea water circulating pump 13 liftings, one enters vaporizer 11, the quantity of vaporizer 11 is at least two effects, vaporizer is the low-temperature multi-effect vaporizer, this stock market water is along with pipeline pumps into respectively in the multiple-effect evaporator, and another stock market water directly discharges.
Preferably, evaporation absorber 25 comprises evaporator room 22, absorption chamber 21 and the mist eliminator between evaporator room 22 and absorption chamber 21, fresh water in the evaporator room 22 is used for refrigeration, and the lithium-bromide solution in the absorption chamber 21 pumps into the shell side of lithiumbromide vaporizer 10 by liquid pump 20.
Evaporator room 22 and the absorption chamber 21 of evaporation absorber 25 are communicated with by mist eliminator, the steam that fresh water evaporation in the evaporator room 22 forms enters into absorption chamber 21 by mist eliminator, lithium-bromide solution in the dilution absorption chamber 21, fresh water in the evaporator room 22 is the low temperature fresh water that the fresh water in the lithiumbromide vaporizer obtains through heat exchange, low temperature fresh water enters refrigerator 23, be used for refrigeration, wherein, fresh water circulation in the refrigerator 23 is temperature difference self-circulation, and perhaps the auxiliary suction pumps of employing promotes the fresh water circulation in the refrigerator 23; Lithium-bromide solution in the absorption chamber 21 is the lithium-bromide solution that the lithium-bromide solution in the lithiumbromide thickener 9 obtains through interchanger, and this lithium-bromide solution is evaporated the fresh water dilution that chamber 22 is evaporated, and the lithium-bromide solution in the absorption chamber 21 is pumped into to absorb heat in the lithiumbromide vaporizer by liquid pump 20 and produces steam as the thermal source of sea water desalinating plant.
Preferably, interchanger comprises the two-stage interchanger, is respectively Recuperative heat exchanger and cooling water heat exchanger.
Lithiumbromide concentrates the lithium-bromide solution process two-stage interchanger in 9, namely enters absorption chamber 21 after Recuperative heat exchanger 16 and cooling water heat exchanger 18 coolings; Fresh water in the lithiumbromide vaporizer 10 namely enters evaporator room 22 after Recuperative heat exchanger 17 and cooling water heat exchanger 19 coolings through the two-stage interchanger, and this fresh water also can be combined into the fresh water that forms together for the fresh water in lithiumbromide vaporizer 10 and the first evaporator.Cooling water heat exchanger 18 and cooling water heat exchanger 19 are by in addition logical water coolant, and as shown in Figure 1, water coolant is divided into two strands after cooling water intake 6 enters, enter cooling water heat exchanger 18 and cooling water heat exchanger 19 respectively, discharge through cooling water discharge port 5 again; Other fluid is two strands of lithium-bromide solutions that pump into by liquid pump 20 from absorption chamber 21 in Recuperative heat exchanger 16 and the Recuperative heat exchanger 17, the temperature of this lithium-bromide solution is lower, by enter lithiumbromide vaporizer 10 after Recuperative heat exchanger 16 and Recuperative heat exchanger 17 intensifications.Recuperative heat exchanger 16 and Recuperative heat exchanger 17 have utilized the waste heat that has flowed out fresh water in the waste heat of the lithium-bromide solution in the lithiumbromide thickener 9 and the lithiumbromide vaporizer 10 respectively, have increased the utilization to used heat.
Preferably, interchanger is double-pipe exchanger or plate-type heat exchanger.
Two Recuperative heat exchangers and two cooling water heat exchangers can be double-pipe exchanger or plate-type heat exchanger, double-pipe exchanger is more abundant for the heat exchange of low discharge medium, utilize the backheat heat exchange of the lithium-bromide solution that pumps in the lithiumbromide absorption chamber better, improved energy utilization rate.
The specific embodiment of below enumerating an optimum illustrates solar airconditioning seawater desalination system of the present utility model and principle of work thereof, as shown in Figure 1, comprises all devices of Fig. 1, and certainly, the utility model is not limited to following examples.According to the flow direction of steam, multiple-effect evaporator is followed successively by first evaporator, second single-effect evaporator, third effect evaporator, until last evaporator, the steam of last evaporator feeds condenser.
As shown in Figure 1, the utility model solar airconditioning seawater desalination system comprises: solar energy heat collector, sea water desalinating plant and refrigeration plant, corresponding solar heat delivery cycle, desalting process and refrigeration cycle respectively.
Solar heat delivery cycle equipment therefor comprises: solar energy collector 7, thermal oil lift pump 8, lithiumbromide thickener 9, heat pipe 24, wherein, heat-conducting medium in the heat pipe 24 is thermal oil, the transmitting power of thermal oil can be temperature head or thermal oil lift pump 8, can design the difference of altitude of solar energy collector 7 and lithiumbromide thickener 9 according to practical situation, realize that the density difference of thermal oil flows; It is heat energy that solar energy collector 7 is collected solar energy converting, and the heat-conducting medium in the heat pipe 24 is heated up.The heat-conducting medium of heat enters lithiumbromide thickener 9 and carries out heat exchange reduction temperature.The heat-conducting medium that temperature reduces returns solar energy collector 7 after by thermal oil lift pump 8 to be continued heat absorption and heats up.
The desalting process equipment therefor comprises: two-effect evaporation device 11, condenser 12, sea water circulating pump 13, concentrated seawater pump 14 and fresh water pump 15 at least, wherein, vaporizer is the low-temperature multi-effect vaporizer, and condenser also can be imitated for an effect or two, and last evaporator is communicated with condenser 12; By former seawater water inlet 1 seawater that enters, be through simple pretreated seawater, after seawater entered and passes through sea water circulating pump 13 liftings after condenser 12 absorbs heat, a part entered vaporizer 11, and a part is passed through seawater discharge outlet 2 and is discharged; The concentrated seawater that vaporizer 11 produces is discharged from concentrated seawater discharge outlet 3 through concentrated seawater pump 14, and the fresh water that vaporizer 11 produces is discharged from fresh water discharge outlet 4 through fresh water pump 15.
The refrigeration cycle equipment therefor comprises: lithiumbromide thickener 9, lithiumbromide vaporizer 10, Recuperative heat exchanger 16, Recuperative heat exchanger 17, cooling water heat exchanger 18, cooling water heat exchanger 19, liquid pump 20, absorption chamber 21, evaporator room 22 and refrigerator 23; Lithiumbromide thickener 9 absorbs the heat of thermal oil in the heat pipe 24, the lithium-bromide solution that it is inner adds thermogenesis steam, steam enters lithiumbromide vaporizer 10 through behind the mist eliminator of case top, and the lithium-bromide solution that concentrates is under the effect of pressure reduction, enter Recuperative heat exchanger 16 and cooling water heat exchanger 18 successively, enter the absorption chamber 21 of evaporation absorber then, lithiumbromide thickener 9 operating pressures are malleation, and evaporation absorber absorption chamber 21 operating pressures are negative pressure, and such pressure reduction impels concentrated lithium-bromide solution to flow into absorption chamber 21 from lithiumbromide thickener 9;
Lithiumbromide vaporizer 10 is communicated with lithiumbromide thickener 9, and the steam that lithiumbromide thickener 9 produces enters lithiumbromide vaporizer 10.Steam carries out heat exchange in the lithium-bromide solution that spray thrower sprays out in the lithiumbromide vaporizer 10 and the tube side, the lithium-bromide solution heat absorption forms steam as the steam in the first evaporator tube side in the sea water desalinating plant, and the lithium-bromide solution after concentrating is by entering lithiumbromide thickener 9 bottom communicating pipe;
After the steam that lithium-bromide solution absorption evaporator room 22 in the absorption chamber 21 of evaporation absorber 25 produces dilutes, after liquid pump 20 liftings, be divided into two, one enters Recuperative heat exchanger 16, one enters Recuperative heat exchanger 17, and the spray thrower that the lithium-bromide solution after absorbing heat respectively enters lithiumbromide vaporizer 10 sprays out; Water coolant is divided into two strands after cooling water intake 6 enters, enter cooling water heat exchanger 18 and cooling water heat exchanger 19 respectively, discharges through cooling water discharge port 5 again;
The fresh water that the fresh water that lithiumbromide vaporizer 10 vapor condensations produce and the first evaporator of vaporizer 11 produce is through entering the evaporator room 22 of evaporation absorber after Recuperative heat exchanger 17 and cooling water heat exchanger 19 coolings; Refrigerator 23 interior medias are the evaporator room 22 inner cryogenic fresh water of evaporation absorber, and the water after the heat absorption returns evaporator room 22.
Lithiumbromide vaporizer 10, vaporizer 11, condenser 12 among Fig. 1, and the operation condition of the evaporator room 22 of evaporation absorber 25 and absorption chamber 21 all is negative pressure, thereby be negative pressure in order to guarantee in the said apparatus, and need vaccum-pumping equipment, commonly used be vacuum pump (not drawing among Fig. 1).
In technical solutions of the utility model, solar energy collector carries out heat exchange by the lithium-bromide solution in heat pipe and the lithiumbromide thickener, the tube side condensation that the steam that lithium-bromide solution heat absorption in the lithiumbromide thickener produces enters the lithiumbromide vaporizer forms fresh water, and described fresh water enters evaporation absorber and is used for refrigeration after the interchanger cooling; Lithium-bromide solution in the evaporation absorber forms the device of two-effect evaporation at least that steam enters sea water desalinating plant by the shell side heat absorption that liquid pump is pumped into the lithiumbromide vaporizer, and concentrated lithium-bromide solution enters the lithiumbromide thickener.Concrete device of the present utility model is not limited to device shown in Figure 1, just utilizes above-mentioned three processes to realize by sun power seawater being desalinated, and is used for refrigeration.Adopt above-mentioned system, the sun power that solar energy collector absorbs passes to lithium-bromide solution in the lithiumbromide thickener by heat-conducting medium, the interior vaporization cycle by lithium-bromide solution of lithiumbromide thickener and lithiumbromide vaporizer, steam is passed to the low-temperature multi-effect vaporizer be used for sea water desaltination, the lithium-bromide solution that concentrates is delivered to evaporation absorber participates in air conditioner refrigerating, improve solar energy utilization ratio, be conducive to enlarge the scale of solar airconditioning seawater desalination system.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims (10)

1. a solar airconditioning seawater desalination system is characterized in that, comprising: solar energy heat collector, sea water desalinating plant and refrigeration plant, wherein,
Described solar energy heat collector comprises solar energy collector (7), lithiumbromide thickener (9) and the heat pipe (24) of the closure of heat-conducting medium is housed that described solar energy collector (7) and lithiumbromide thickener (9) are arranged on the pipeline of heat pipe (24);
Described sea water desalinating plant comprises condenser (12) and two-effect evaporation device (11) at least, and wherein, being positioned at least, the last evaporator of two-effect evaporation device (11) one ends is communicated with condenser (12);
Described refrigeration plant comprises evaporation absorber (25), and the lithiumbromide vaporizer (10) that is communicated with evaporation absorber (25) respectively and refrigerator (23), described lithiumbromide vaporizer (10) is respectively with lithiumbromide thickener (9) be positioned at least that the first evaporator of two-effect evaporation device (11) the other end is communicated with;
The steam that the heat absorption of the lithium-bromide solution of lithiumbromide thickener (9) produces enters lithiumbromide vaporizer (10) tube side and is condensed into fresh water and enters described evaporation absorber by interchanger, and the lithium-bromide solution in the lithiumbromide thickener (9) enters described evaporation absorber through interchanger; The steam that lithium-bromide solution in the described evaporation absorber enters the shell side heat absorption generation of lithiumbromide vaporizer (10) enters first evaporator as the thermal source of sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener (10).
2. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, described solar energy collector (7) is high-temp solar heat collector.
3. solar airconditioning seawater desalination system as claimed in claim 2 is characterized in that, described high-temp solar heat collector is slot type glass-vacuum tube heat collector.
4. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, described heat-conducting medium is thermal oil, and described heat pipe (24) is provided with thermal oil lift pump (8).
5. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, described lithiumbromide thickener (9) is the high temperature thickener, comprises housing and the mist eliminator that is arranged at the housing top.
6. solar airconditioning seawater desalination system as claimed in claim 1, it is characterized in that, described lithiumbromide vaporizer (10) comprises housing, be positioned at the heat-exchanging tube bundle of housing, be positioned at the spray thrower of heat-exchanging tube bundle top, and the fresh water collection box that is positioned at heat-exchanging tube bundle one end.
7. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, the seawater in the described condenser is divided into two strands behind sea water circulating pump (13), and one pumps into two-effect evaporation device (11) at least, and one directly discharges.
8. solar airconditioning seawater desalination system as claimed in claim 1, it is characterized in that, described evaporation absorber (25) comprise evaporator room (22), absorption chamber (21) and be positioned at described evaporator room (22) and absorption chamber (21) between mist eliminator, fresh water in the evaporator room (22) is used for refrigeration, and the lithium-bromide solution in the absorption chamber (21) pumps into the shell side of lithiumbromide vaporizer (10) by liquid pump (20).
9. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, described interchanger comprises the two-stage interchanger, is respectively Recuperative heat exchanger and cooling water heat exchanger.
10. solar airconditioning seawater desalination system as claimed in claim 1 is characterized in that, described interchanger is double-pipe exchanger or plate-type heat exchanger.
CN2013200354454U 2013-01-23 2013-01-23 solar air conditioning seawater desalination system Withdrawn - After Issue CN203159268U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103058306A (en) * 2013-01-23 2013-04-24 中国电子工程设计院 Solar air-conditioning seawater desalting system
CN104944492A (en) * 2015-06-04 2015-09-30 浙江大学 Cooperative production method integrating air conditioning and parallel-flow seawater desalination and being usable in summer and winter
CN104944494A (en) * 2015-06-04 2015-09-30 浙江大学 Method and system for cogeneration of air conditioner and advection type sea water desalting device
CN104944493A (en) * 2015-06-04 2015-09-30 浙江大学 Cooperative production method and system integrating air conditioning and seawater desalination and being usable in summer and winter
CN105000610A (en) * 2015-06-04 2015-10-28 浙江大学 Transcritical air conditioner and seawater desalination co-production system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103058306A (en) * 2013-01-23 2013-04-24 中国电子工程设计院 Solar air-conditioning seawater desalting system
CN103058306B (en) * 2013-01-23 2014-08-20 中国电子工程设计院 Solar air-conditioning seawater desalting system
CN104944492A (en) * 2015-06-04 2015-09-30 浙江大学 Cooperative production method integrating air conditioning and parallel-flow seawater desalination and being usable in summer and winter
CN104944494A (en) * 2015-06-04 2015-09-30 浙江大学 Method and system for cogeneration of air conditioner and advection type sea water desalting device
CN104944493A (en) * 2015-06-04 2015-09-30 浙江大学 Cooperative production method and system integrating air conditioning and seawater desalination and being usable in summer and winter
CN105000610A (en) * 2015-06-04 2015-10-28 浙江大学 Transcritical air conditioner and seawater desalination co-production system
CN105000610B (en) * 2015-06-04 2017-05-03 浙江大学 Transcritical air conditioner and seawater desalination co-production system
CN104944492B (en) * 2015-06-04 2018-01-16 浙江大学 A kind of Winter-summer dual purpose air-conditioning and the method and system of flat flow desalinization coproduction
CN104944493B (en) * 2015-06-04 2018-01-16 浙江大学 A kind of air-conditioning of Winter-summer dual purpose and desalinization co-production and system

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