CN103058306B - Solar air-conditioning seawater desalting system - Google Patents
Solar air-conditioning seawater desalting system Download PDFInfo
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- CN103058306B CN103058306B CN201310024546.6A CN201310024546A CN103058306B CN 103058306 B CN103058306 B CN 103058306B CN 201310024546 A CN201310024546 A CN 201310024546A CN 103058306 B CN103058306 B CN 103058306B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- 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)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to the technical field of seawater desalting, in particular to a solar air-conditioning seawater desalting system. The solar air-conditioning seawater desalting system comprises a solar heat collecting device, a seawater desalting device and a refrigerating device; steam produced when a lithium bromide solution in a lithium bromide concentrator absorbs heat enters a lithium bromide evaporator tube pass, is condensed into fresh water and then enters an evaporation absorber through a heat exchanger, and the lithium bromide solution in the lithium bromide concentrator enters the evaporation absorber through the heat exchanger; and steam produced when the lithium bromide solution in the evaporation absorber enters a shell pass of a lithium bromide evaporator and absorbs heat enters a first-effect evaporator and is used as a heat source for seawater desalting, and the concentrated lithium bromide solution enters the lithium bromide concentrator. By adopting the technical scheme, the utilization rate of solar energy is improved; and the technical scheme is suitable for enlarging the scale of the solar air-conditioning seawater desalting system.
Description
Technical field
The present invention relates to field of sea water desalting technology, particularly a kind of solar airconditioning seawater desalination system.
Background technology
Early, desalination with Solar Energy main development mode is solar photovoltaic power plant generating to China's desalination technology starting at present, carries out sea water desaltination with the power supply of microgrid formula by reverse osmosis.The efficiency of solar energy power generating is very low, and therefore energy utilization rate is very low.Desalination with Solar Energy also has the low-temperature multiple-effect seawater desalination of employing technology, the high evaporation temperature that low-temperature multi-effect technology refers to seawater is lower than the multi-effect distilling desalination techniques of 70 DEG C, by multiple evaporator series, input by repeatedly evaporating and condensation with a certain amount of steam, and the vaporization temperature of the vaporizer of last effect is greater than the vaporization temperature of the vaporizer of a rear effect, thereby obtain the desalination process of the distilled water that is multiple times than quantity of steam.Solar low-temperature multi-effect sea water desalting technology is due 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 producing is arrived to heat-transfer medium, absorption agent and heat-transfer medium carry out thermal exchange, the absorption of recycling absorption agent and evaporation characteristic are for refrigeration, but in this process, there is energy wastage, be unfavorable for expansion scale.
The defect of prior art is, in solar seawater desalination system, energy utilization rate is lower, also has the waste of energy in solar air-conditioner system.
Summary of the invention
The object of this invention is to provide a kind of solar airconditioning seawater desalination system, in order to improve energy utilization rate.
Solar airconditioning seawater desalination system of the present invention, comprising: 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 closed heat pipe of heat-conducting medium is housed, and 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, wherein, is positioned at least last evaporator of two-effect evaporation device one end and 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 described lithiumbromide vaporizer is respectively with lithiumbromide thickener be positioned at least first evaporator of the two-effect evaporation device the other end and be communicated with;
The lithium-bromide solution of lithiumbromide thickener is inhaled thermogenetic steam and is entered after lithiumbromide vaporizer tube side is condensed into fresh water and enter described evaporation absorber through interchanger, and the lithium-bromide solution in lithiumbromide thickener enters described evaporation absorber through interchanger; The shell side that lithium-bromide solution in described evaporation absorber enters lithiumbromide vaporizer is inhaled thermogenetic steam and is entered the thermal source of first evaporator as sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener.
Preferably, described solar energy collector is high-temp solar heat collector.
Preferably, described high-temp solar heat collector is slot type glass-vacuum tube heat collector.
Preferably, described heat-conducting medium is thermal oil, is provided with thermal oil lift pump on described heat pipe.
Preferably, described lithiumbromide thickener is high temperature thickener, comprises housing and the mist eliminator that is arranged at housing top.
Preferably, described lithiumbromide vaporizer comprises housing, is positioned at the heat-exchanging tube bundle of housing, is positioned at the spray thrower of heat-exchanging tube bundle top, and is positioned at the fresh water collecting case of heat-exchanging tube bundle one end.
Preferably, the seawater in described condenser is divided into two strands after sea water circulating pump, and one pumps at least two-effect evaporation device, 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 evaporator room is for refrigeration, and the lithium-bromide solution in absorption chamber pumps into the shell side of lithiumbromide vaporizer by liquid pump.
Preferably, described interchanger comprises 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 solar airconditioning seawater desalination system of the present invention, because the heat energy that solar energy collector is obtained is respectively used 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 producing in lithiumbromide vaporizer, as the thermal source of sea water desaltination, can improve solar energy utilization ratio, improves water production rate.
Brief description of the drawings
Fig. 1 is the structural representation of solar airconditioning seawater desalination system of the present invention.
Reference numeral:
The former seawater water-in of 1-; 2-seawater discharge outlet; 3-concentrated seawater discharge outlet; 4-fresh water discharge outlet;
5-cooling water discharge port; 6-cooling water intake; 7-solar energy collector; 8-thermal oil lift pump;
9-lithiumbromide thickener; 10-lithiumbromide vaporizer; 11-vaporizer; 12-condenser;
13-sea water circulating pump; 14-concentrated seawater pump; 15-fresh water pump; 16-Recuperative heat exchanger;
17-Recuperative heat exchanger; 18-cooling water heat exchanger; 19-cooling water heat exchanger; 20-liquid pump;
21-absorption chamber; 22-evaporator room; 23-refrigerator; 24-heat pipe; 25-evaporation absorber
Embodiment
In order to solve the low technical problem of solar seawater desalination system energy utilization rate existing in prior art, the invention provides a kind of solar airconditioning seawater desalination system.In technical solution of the present invention, because the heat energy that solar energy collector is obtained is respectively used 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 producing in lithiumbromide vaporizer, as the thermal source of sea water desaltination, can expand the scale of sea water desaltination, improves water production rate.For making the object, technical solutions and advantages of the present invention clearer, by the following examples the present invention is described in further detail.
As shown in Figure 1, solar airconditioning seawater desalination system of the present invention, comprising: 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 closed heat pipe 24 of heat-conducting medium is housed, and 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, wherein, is positioned at least last evaporator of two-effect evaporation device 11 one end and is communicated with condenser 12;
Refrigeration plant comprises evaporation absorber 25, and the lithiumbromide vaporizer 10 and the refrigerator 23 that are communicated with evaporation absorber 25 respectively, described lithiumbromide vaporizer 10 is respectively with lithiumbromide thickener 9 be positioned at least first evaporator of two-effect evaporation device 11 the other ends and be communicated with;
Lithium-bromide solution in lithiumbromide thickener 9 is inhaled thermogenetic steam and is entered after lithiumbromide vaporizer 10 tube sides are condensed into fresh water and enter described evaporation absorber through interchanger, and the lithium-bromide solution in lithiumbromide thickener 9 enters described evaporation absorber through interchanger; The shell side that lithium-bromide solution in described evaporation absorber enters lithiumbromide vaporizer 10 is inhaled thermogenetic steam and is entered the thermal source of first evaporator as sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener 9.
In technical scheme of the present invention, the heat energy that solar energy collector absorbs solar radiation generation flows to the lithium-bromide solution in lithiumbromide thickener by the heat-conducting medium in heat pipe, after lithium-bromide solution heat absorption, formation steam enters into the tube side of lithiumbromide vaporizer, lithium-bromide solution in lithiumbromide vaporizer shell side and the steam in tube side carry out heat exchange and form secondary steam as the steam source in sea water desalinating plant, this steam can be at least sea water desaltination of two-effect evaporation device, can be 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, expand the scale of sea water desaltination, improve water production rate, and improve energy utilization rate.In addition, the heat energy of exporting in solar energy heat collector also, for refrigeration, carries out many parts utilization to the energy, has improved energy utilization rate.
Preferably, solar energy collector 7 is high-temp solar heat collector.
Those skilled in the art is known, and solar energy collector, according to the scope of working temperature, can be divided into high-temp solar heat collector, middle temperature solar heat collector and low-temperature solar energy heat collector.Preferably, adopt high-temp solar heat collector, the temperature of the heat-conducting medium in heat pipe can reach 160～170 degrees Celsius, even can reach 200 degrees Celsius, and the lithium-bromide solution that such high temperature heat conducting medium bromizates in lithium thickener more easily evaporates.In order further to improve energy utilization rate, the steam condition that can produce according to lithiumbromide thickener, increases heat-pump apparatus, improves steam cycle amount, so just can increase the concentrated treatment capacity of lithium-bromide solution, increases air conditioner refrigerating amount.
Preferably, high-temp solar heat collector is slot type glass-vacuum tube heat collector.
Glass-vacuum tube is placed in to flute profile solar absorption panels, increases the assimilated efficiency to sun power, further improve energy utilization rate.
Preferably, heat-conducting medium is thermal oil, is provided with thermal oil lift pump 8 on heat pipe 24.
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, preferably, in the time that the density difference of thermal oil is not enough to support that thermal oil flows in heat pipe, thermal oil lift pump 8 can be set on heat pipe, be used as the transmitting power of thermal oil.
Preferably, lithiumbromide thickener 9 is high temperature thickener, comprises housing and the mist eliminator that is arranged at housing top.
Supporting with high-temp solar heat collector, lithiumbromide thickener also adopts high temperature thickener, because solar energy collector makes the temperature of thermal oil very high, when the very high thermal oil of temperature is during through heat pipe and lithium-bromide solution heat exchange, lithium-bromide solution produces high-temperature steam, therefore adopt high temperature thickener, the mist eliminator on housing top is for removing lithiumbromide droplet to entering the steam of lithiumbromide vaporizer.
Preferably, lithiumbromide vaporizer 10 comprises housing, is positioned at the heat-exchanging tube bundle of housing, is positioned at the spray thrower of heat-exchanging tube bundle top, and is positioned at the fresh water collecting case of heat-exchanging tube bundle one end.
Lithiumbromide vaporizer adopt tube and shell heat exchanger, can be one or two even more.The lithium-bromide solution that temperature is lower sprays the outer wall to heat-exchanging tube bundle by spray thrower, carry out heat exchange with the hot steam in heat-exchanging tube bundle, lithium-bromide solution evaporation forms steam as the steam source in sea water desalinating plant, concentrated lithium-bromide solution enters lithiumbromide thickener, hot steam condensation forms fresh water and collects by fresh water collecting case, for the source of refrigeration plant low-temperature cold water.
Preferably, the seawater in the condenser 12 being connected with low-temperature multi-effect vaporizer is divided into two strands after sea water circulating pump 13, and one pumps into respectively at least two vaporizers 11, and one directly discharges.
The seawater entering by former seawater water-in 1 is preferably simple pretreated seawater, seawater is promoted and is divided into two strands by sea water circulating pump 13 after entering condenser 12 heat absorptions, one enters vaporizer 11, the quantity of vaporizer 11 is at least two effects, vaporizer is low-temperature multi-effect vaporizer, this stock market water is along with pipeline pumps into respectively in 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 evaporator room 22 is for refrigeration, and the lithium-bromide solution in 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 evaporator room 22 forms enters into absorption chamber 21 by mist eliminator, lithium-bromide solution in dilution absorption chamber 21, fresh water in evaporator room 22 is the low temperature fresh water that the fresh water in lithiumbromide vaporizer obtains through heat exchange, low temperature fresh water enters refrigerator 23, for refrigeration, wherein, fresh water circulation in refrigerator 23 is temperature difference self-circulation, or adopts auxiliary suction pumps to promote the fresh water circulation in refrigerator 23; Lithium-bromide solution in absorption chamber 21 is the lithium-bromide solution that the lithium-bromide solution in lithiumbromide thickener 9 obtains through interchanger, and the fresh water that this lithium-bromide solution is evaporated by evaporator room 22 dilutes, the lithium-bromide solution in absorption chamber 21 is pumped into heat absorption in lithiumbromide vaporizer by liquid pump 20 and produces the thermal source of steam as sea water desalinating plant.
Preferably, interchanger comprises two-stage interchanger, is respectively Recuperative heat exchanger and cooling water heat exchanger.
Lithium-bromide solution in lithiumbromide concentrated 9, through two-stage interchanger, enters absorption chamber 21 after Recuperative heat exchanger 16 and cooling water heat exchanger 18 coolings; Fresh water in lithiumbromide vaporizer 10, through two-stage interchanger, enters evaporator room 22 after Recuperative heat exchanger 17 and cooling water heat exchanger 19 coolings, and this fresh water can be also the fresh water forming together with lithiumbromide vaporizer 10 is combined into the fresh water in first evaporator.Cooling water heat exchanger 18 and cooling water heat exchanger 19 are by addition logical water coolant, and as shown in Figure 1, water coolant is divided into two strands from cooling water intake 6 enters, and enters respectively cooling water heat exchanger 18 and cooling water heat exchanger 19, then discharge through cooling water discharge port 5; The interior other fluid of Recuperative heat exchanger 16 and Recuperative heat exchanger 17 is two strands of lithium-bromide solutions that pump into by liquid pump 20 from absorption chamber 21, 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 respectively waste heat and the interior waste heat that flows out fresh water of lithiumbromide vaporizer 10 of the lithium-bromide solution in lithiumbromide thickener 9, 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 low discharge media for heat exchange, utilize better the backheat heat exchange of the indoor lithium-bromide solution pumping of lithium bromide absorption, improved energy utilization rate.
Below enumerate an optimum specific embodiment solar airconditioning seawater desalination system of the present invention and principle of work thereof are described, as shown in Figure 1, comprise all devices of Fig. 1, certainly, the present invention is not limited to following examples.According to the flow direction of steam, multiple-effect evaporator is followed successively by first evaporator, the second single-effect evaporator, third effect evaporator, until last evaporator, the steam of last evaporator passes into condenser.
As shown in Figure 1, solar airconditioning seawater desalination system of the present invention, comprising: solar energy heat collector, sea water desalinating plant and refrigeration plant, respectively corresponding solar heat delivery cycle, desalting process and refrigeration cycle.
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 heat pipe 24 is thermal oil, the transmitting power of thermal oil can be temperature head or thermal oil lift pump 8, can design according to practical situation the difference of altitude of solar energy collector 7 and lithiumbromide thickener 9, the density difference of realizing thermal oil flows; It is heat energy that solar energy collector 7 is collected solar energy converting, and the heat-conducting medium in 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 to solar energy collector 7 after by thermal oil lift pump 8 to be continued heat absorption and heats up.
Desalting process equipment therefor comprises: at least two-effect evaporation device 11, condenser 12, sea water circulating pump 13, concentrated seawater pump 14 and fresh water pump 15, wherein, vaporizer is low-temperature multi-effect vaporizer, and condenser can be also an effect or two effects, and last evaporator is communicated with condenser 12; By former seawater water inlet 1 seawater entering, be through simple pretreated seawater, seawater passes through after sea water circulating pump 13 liftings after entering condenser 12 heat absorptions, and a part enters vaporizer 11, and a part is discharged by seawater discharge outlet 2; 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.
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 heat pipe 24 interior thermal oils, its inner lithium-bromide solution is added to thermogenesis steam, steam enters lithiumbromide vaporizer 10 after the mist eliminator of case top, and concentrated lithium-bromide solution is under the effect of pressure reduction, enter successively Recuperative heat exchanger 16 and cooling water heat exchanger 18, then enter the absorption chamber 21 of evaporation absorber, lithiumbromide thickener 9 operating pressures are malleation, and evaporation absorber absorption chamber 21 operating pressures are negative pressure, 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.In the lithium-bromide solution that in lithiumbromide vaporizer 10, spray thrower sprays out and tube side, steam carries out heat exchange, lithium-bromide solution heat absorption forms steam as the steam in first evaporator tube side in sea water desalinating plant, and lithium-bromide solution after concentrated 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 promotes, 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 from cooling water intake 6 enters, and enters respectively cooling water heat exchanger 18 and cooling water heat exchanger 19, then discharges through cooling water discharge port 5;
The fresh water that the fresh water that lithiumbromide vaporizer 10 vapor condensations produce and the first evaporator of vaporizer 11 produce enters the evaporator room 22 of evaporation absorber after Recuperative heat exchanger 17 and cooling water heat exchanger 19 coolings; The evaporator room 22 inner cryogenic fresh water that refrigerator 23 interior medias are evaporation absorber, the water after heat absorption returns to evaporator room 22.
Lithiumbromide vaporizer 10, vaporizer 11, condenser 12 in Fig. 1, and the evaporator room 22 of evaporation absorber 25 and the operation condition of absorption chamber 21 are all negative pressure, thereby be negative pressure in order to ensure in said apparatus, need vaccum-pumping equipment, conventional is vacuum pump (not drawing in Fig. 1).
In technical solution of the present invention, solar energy collector carries out heat exchange by the lithium-bromide solution in heat pipe and lithiumbromide thickener, lithium-bromide solution in lithiumbromide thickener is inhaled the tube side condensation that thermogenetic steam enters lithiumbromide vaporizer and is formed fresh water, and described fresh water enters evaporation absorber for refrigeration after interchanger cooling; The shell side heat absorption that lithium-bromide solution in evaporation absorber is pumped into lithiumbromide vaporizer by liquid pump forms steam and enters at least two-effect evaporation device of sea water desalinating plant, and concentrated lithium-bromide solution enters lithiumbromide thickener.Concrete device of the present invention is not limited to the device shown in Fig. 1, just utilizes above-mentioned three process implementations by sun power, seawater to be desalinated, and for refrigeration.Adopt above-mentioned system, the sun power that solar energy collector absorbs passes to the lithium-bromide solution in lithiumbromide thickener by heat-conducting medium, lithiumbromide thickener and lithiumbromide vaporizer are interior by the vaporization cycle of lithium-bromide solution, steam is passed to low-temperature multi-effect vaporizer for sea water desaltination, concentrated lithium-bromide solution is delivered to evaporation absorber and participates in air conditioner refrigerating, improve solar energy utilization ratio, be conducive to expand the scale of solar airconditioning seawater desalination system.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also 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 closed heat pipe (24) of heat-conducting medium is housed, and 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, wherein, is positioned at least last evaporator of two-effect evaporation device (11) one end and is communicated with condenser (12);
Described refrigeration plant comprises evaporation absorber (25), and the lithiumbromide vaporizer (10) and the refrigerator (23) that are communicated with evaporation absorber (25) respectively, described lithiumbromide vaporizer (10) is respectively with lithiumbromide thickener (9) be positioned at least first evaporator of two-effect evaporation device (11) the other end and be communicated with;
The lithium-bromide solution of lithiumbromide thickener (9) is inhaled thermogenetic steam and is entered after lithiumbromide vaporizer (10) tube side is condensed into fresh water and enter described evaporation absorber through interchanger, and the lithium-bromide solution in lithiumbromide thickener (9) enters described evaporation absorber through interchanger; The shell side that lithium-bromide solution in described evaporation absorber enters lithiumbromide vaporizer (10) is inhaled thermogenetic steam and is entered the thermal source of first evaporator as sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener (9).
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, is provided with thermal oil lift pump (8) on described heat pipe (24).
5. solar airconditioning seawater desalination system as claimed in claim 1, is characterized in that, described lithiumbromide thickener (9) is high temperature thickener, comprises housing and the mist eliminator that is arranged at housing top.
6. solar airconditioning seawater desalination system as claimed in claim 1, it is characterized in that, described lithiumbromide vaporizer (10) comprises housing, is positioned at the heat-exchanging tube bundle of housing, is positioned at the spray thrower of heat-exchanging tube bundle top, and is positioned at the fresh water collecting case of heat-exchanging tube bundle one end.
7. solar airconditioning seawater desalination system as claimed in claim 1, is characterized in that, the seawater in described condenser is divided into two strands after sea water circulating pump (13), and one pumps at least two-effect evaporation device (11), 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 evaporator room (22) is for refrigeration, and the lithium-bromide solution in 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310024546.6A CN103058306B (en) | 2013-01-23 | 2013-01-23 | Solar air-conditioning seawater desalting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310024546.6A CN103058306B (en) | 2013-01-23 | 2013-01-23 | Solar air-conditioning seawater desalting system |
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| Publication Number | Publication Date |
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| CN103058306A CN103058306A (en) | 2013-04-24 |
| CN103058306B true CN103058306B (en) | 2014-08-20 |
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| CN104961182B (en) * | 2015-06-04 | 2018-01-16 | 浙江大学 | A kind of Trans-critical cycle air-conditioning of Winter-summer dual purpose and desalinization co-generation system |
| CN105036226B (en) * | 2015-06-04 | 2017-10-27 | 浙江大学 | A kind of Trans-critical cycle air-conditioning of Winter-summer dual purpose and flat flow desalinization co-generation system |
| CN105923676B (en) * | 2016-04-27 | 2018-10-23 | 武汉凯迪工程技术研究总院有限公司 | High-efficiency solar sea water desalination and air conditioner refrigerating cooperation method and system |
| CN107010684A (en) * | 2017-04-22 | 2017-08-04 | 祝长宇 | A kind of low temperature multi-effect seawater desalting system |
| CA3157895A1 (en) * | 2018-03-07 | 2019-09-12 | Enersion Inc. | Adsorption-based heat pump |
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| CN108613305B (en) * | 2018-06-26 | 2023-10-17 | 北京建筑大学 | Comprehensive utilization system and method for cold energy of liquefied natural gas |
| CN111807321B (en) * | 2020-06-15 | 2022-05-20 | 广东工业大学 | Seawater hydrogen production reactor and method |
| CN117185389A (en) * | 2020-12-16 | 2023-12-08 | 淄博环能海臣环保技术服务有限公司 | Concentrated crystallization desalination water treatment facilities of high salt waste water will contain through lithium bromide unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209364A (en) * | 1974-04-10 | 1980-06-24 | Rothschild Herbert F | Process of water recovery and removal |
| CN1538128A (en) * | 2003-04-15 | 2004-10-20 | 徐宝安 | Solar energy heat energy lithium bromide absorption type central air conditioner with seawater desalination device |
| CN201161936Y (en) * | 2007-12-18 | 2008-12-10 | 上海海事大学 | System for desalinating sea water |
| CN101344298A (en) * | 2007-11-15 | 2009-01-14 | 上海海事大学 | Air conditioner and sea water desalination combined operation system |
| CN101706175A (en) * | 2009-11-04 | 2010-05-12 | 靳启海 | Pump-free lithium bromide air-conditioning system |
| CN203159268U (en) * | 2013-01-23 | 2013-08-28 | 中国电子工程设计院 | solar air conditioning seawater desalination system |
-
2013
- 2013-01-23 CN CN201310024546.6A patent/CN103058306B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209364A (en) * | 1974-04-10 | 1980-06-24 | Rothschild Herbert F | Process of water recovery and removal |
| CN1538128A (en) * | 2003-04-15 | 2004-10-20 | 徐宝安 | Solar energy heat energy lithium bromide absorption type central air conditioner with seawater desalination device |
| CN101344298A (en) * | 2007-11-15 | 2009-01-14 | 上海海事大学 | Air conditioner and sea water desalination combined operation system |
| CN201161936Y (en) * | 2007-12-18 | 2008-12-10 | 上海海事大学 | System for desalinating sea water |
| CN101706175A (en) * | 2009-11-04 | 2010-05-12 | 靳启海 | Pump-free lithium bromide air-conditioning system |
| CN203159268U (en) * | 2013-01-23 | 2013-08-28 | 中国电子工程设计院 | solar air conditioning seawater desalination system |
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Inventor after: Liu Xuezhong Inventor after: Li Xuelei Inventor after: Liu Zhichuan Inventor after: Zhang Fengyou Inventor after: Fan Chunlin Inventor before: Liu Xuezhong Inventor before: Li Xuelei Inventor before: Liu Zhichuan Inventor before: Zhang Fengyou Inventor before: Fan Chunlin |
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Effective date of registration: 20170619 Address after: 100034 Beijing, Fuchengmen, North Street, No. 6 -6 international investment building, block A, Co-patentee after: Chinese Electronic Engineering Design Institute Patentee after: STATE DEVELOPMENT & INVESTMENT CORPORATION (SDIC) Address before: 100840 Haidian District, Wanshou Road, No. 27, Patentee before: Chinese Electronic Engineering Design Institute |