CN103058306A - Solar air-conditioning seawater desalting system - Google Patents
Solar air-conditioning seawater desalting system Download PDFInfo
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- CN103058306A CN103058306A CN2013100245466A CN201310024546A CN103058306A CN 103058306 A CN103058306 A CN 103058306A CN 2013100245466 A CN2013100245466 A CN 2013100245466A CN 201310024546 A CN201310024546 A CN 201310024546A CN 103058306 A CN103058306 A CN 103058306A
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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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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (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
China's desalination technology starting is morning, and desalination with Solar Energy main development mode 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, 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 of last effect is greater than the vaporization temperature of vaporizer of a rear effect, thereby obtains 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, absorption and the evaporation characteristic of recycling absorption agent 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.
Summary of the invention
The purpose 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 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 lithium-bromide solution of lithiumbromide thickener is inhaled thermogenetic steam and is entered lithiumbromide vaporizer tube side and be condensed into fresh water and enter described evaporation absorber by interchanger, and the lithium-bromide solution in the lithiumbromide thickener enters described evaporation absorber through interchanger; The shell side that lithium-bromide solution in the described evaporation absorber enters the lithiumbromide vaporizer is inhaled thermogenetic steam and is entered 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.
Better, 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 the thermal oil lift pump on the described heat pipe.
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 collecting case 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 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 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 solar airconditioning seawater desalination system of the present invention, 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 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;
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 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 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, 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 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;
Lithium-bromide solutions in the lithiumbromide thickener 9 are inhaled thermogenetic steam and are entered lithiumbromide vaporizer 10 tube sides and be condensed into fresh water and enter described evaporation absorber by interchanger, and the lithium-bromide solutions in the lithiumbromide thickener 9 enter described evaporation absorber through interchanger; The shell side that lithium-bromide solution in the described evaporation absorber enters lithiumbromide vaporizer 10 is inhaled thermogenetic steam and is entered first evaporator as the thermal source of sea water desaltination, and concentrated lithium-bromide solution enters lithiumbromide thickener 10.
In technical scheme of the present invention, 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, form the tube side that steam enters into the lithiumbromide vaporizer after the lithium-bromide solution heat absorption, 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 at least sea water desaltination of two-effect evaporation device, 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 concentrated treatment capacity of lithium-bromide solution, 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, is provided with thermal oil lift pump 8 on the 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, better, 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 collecting case 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, concentrated lithium-bromide solution enters the lithiumbromide thickener, the hot steam condensation forms fresh water and collects by the fresh water collecting case, 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 into respectively at least two vaporizers 11, and one directly discharges.
The seawater that enters by former seawater water-in 1 is preferably simple pretreated seawater, seawater is divided into two strands by sea water circulating pump 13 liftings after entering condenser 12 heat absorptions, 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.
Preferably, interchanger comprises the two-stage interchanger, is respectively Recuperative heat exchanger and cooling water heat exchanger.
Lithium-bromide solution in the lithiumbromide concentrated 9 namely enters absorption chamber 21 after Recuperative heat exchanger 16 and cooling water heat exchanger 18 coolings through the two-stage interchanger; 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 for the fresh water in lithiumbromide vaporizer 10 and the first evaporator fresh water that forms together.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 respectively cooling water heat exchanger 18 and cooling water heat exchanger 19, discharge through cooling water discharge port 5 again; Recuperative heat exchanger 16 and the Recuperative heat exchanger 17 interior other two strand lithium-bromide solutions of fluid for pumping 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 lithiumbromide vaporizer 10 interior waste heats that flow out fresh water of the lithium-bromide solution in the 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 the low discharge media for heat exchange, utilize better the backheat heat exchange of the indoor lithium-bromide solution that pumps of lithium bromide absorption, improved energy utilization rate.
The specific embodiment of below enumerating an optimum illustrates solar airconditioning seawater desalination system of the present invention and principle of work thereof, as shown in Figure 1, comprises all devices of Fig. 1, and 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 comprises: 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 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 according to practical situation the difference of altitude of solar energy collector 7 and lithiumbromide thickener 9, 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: 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 the low-temperature multi-effect vaporizer, and condenser also can be an effect or two effects, 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 2 dischargings of seawater discharge outlet; 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 heat pipe 24 interior thermal oils, 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 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, and such pressure reduction impels concentrated lithium-bromide solution to flow into absorption chamber 21 from lithiumbromide thickener 9;
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 respectively cooling water heat exchanger 18 and cooling water heat exchanger 19, 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.
In technical solution of the present invention, solar energy collector carries out heat exchange by the lithium-bromide solution in heat pipe and the lithiumbromide thickener, lithium-bromide solution in the lithiumbromide thickener is inhaled the tube side condensation formation fresh water that thermogenetic steam enters the lithiumbromide vaporizer, and described fresh water enters evaporation absorber and is used for refrigeration after the interchanger cooling; Lithium-bromide solution in the evaporation absorber forms at least two-effect evaporation device 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 invention is not limited to device shown in Figure 1, just utilizes above-mentioned three process implementations by sun power seawater to be 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, concentrated lithium-bromide solution 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 present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention 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 lithium-bromide solution of lithiumbromide thickener (9) is inhaled thermogenetic steam and is entered lithiumbromide vaporizer (10) tube side and be condensed into fresh water and enter described evaporation absorber by interchanger, and the lithium-bromide solution in the lithiumbromide thickener (9) enters described evaporation absorber through interchanger; The shell side that lithium-bromide solution in the described evaporation absorber enters lithiumbromide vaporizer (10) is inhaled thermogenetic steam and is entered 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, is provided with thermal oil lift pump (8) on the described heat pipe (24).
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 collecting case 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 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 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.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961182A (en) * | 2015-06-04 | 2015-10-07 | 浙江大学 | Transcritical air-conditioner and seawater desalination combined production system used in both winter and summer |
| CN105036226A (en) * | 2015-06-04 | 2015-11-11 | 浙江大学 | Trans-critical air conditioner and advection-type seawater desalination coproduction system for winter and summer |
| CN105923676A (en) * | 2016-04-27 | 2016-09-07 | 武汉凯迪工程技术研究总院有限公司 | Efficient solar seawater desalination and air conditioner refrigeration combined operation method and system thereof |
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| CN108613305A (en) * | 2018-06-26 | 2018-10-02 | 北京建筑大学 | A kind of cold energy of liquefied natural gas utilization system and method |
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| CN111807321A (en) * | 2020-06-15 | 2020-10-23 | 广东工业大学 | Seawater hydrogen production reactor and method |
| WO2022126671A1 (en) * | 2020-12-16 | 2022-06-23 | 淄博环能海臣环保技术服务有限公司 | Water treatment device for concentrating, crystallizing and desalting high-salinity wastewater by means of lithium bromide unit |
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| CN105036226A (en) * | 2015-06-04 | 2015-11-11 | 浙江大学 | Trans-critical air conditioner and advection-type seawater desalination coproduction system for winter and summer |
| 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 |
| CN104961182A (en) * | 2015-06-04 | 2015-10-07 | 浙江大学 | Transcritical air-conditioner and seawater desalination combined production system used in both winter and summer |
| CN105923676A (en) * | 2016-04-27 | 2016-09-07 | 武汉凯迪工程技术研究总院有限公司 | Efficient solar seawater desalination and air conditioner refrigeration combined operation method and system thereof |
| WO2017185930A1 (en) * | 2016-04-27 | 2017-11-02 | 武汉凯迪工程技术研究总院有限公司 | Combined solar-powered seawater desalination and air-conditioned cooling method and system having high efficiency |
| 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 |
| CN115183501A (en) * | 2018-03-07 | 2022-10-14 | 依诺森公司 | Adsorption heat pump |
| CN109292860A (en) * | 2018-06-12 | 2019-02-01 | 华北水利水电大学 | Falling film evaporation couples absorption refrigeration high-salt sewage processing equipment and high-salt sewage processing method |
| CN108613305A (en) * | 2018-06-26 | 2018-10-02 | 北京建筑大学 | A kind of cold energy of liquefied natural gas utilization system and method |
| 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 |
| CN111807321A (en) * | 2020-06-15 | 2020-10-23 | 广东工业大学 | Seawater hydrogen production reactor and method |
| WO2022126671A1 (en) * | 2020-12-16 | 2022-06-23 | 淄博环能海臣环保技术服务有限公司 | Water treatment device for concentrating, crystallizing and desalting high-salinity wastewater by means of lithium bromide unit |
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