CN103542592A - Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function - Google Patents
Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function Download PDFInfo
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- CN103542592A CN103542592A CN201310452397.3A CN201310452397A CN103542592A CN 103542592 A CN103542592 A CN 103542592A CN 201310452397 A CN201310452397 A CN 201310452397A CN 103542592 A CN103542592 A CN 103542592A
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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Abstract
The invention discloses a direct combustion type lithium bromide absorption cold and hot water unit with the heat recycling function. An exhaust gas condensing heat exchanger (18) is additionally arranged on a smoke exhaust outlet pipe of a direct combustion high-pressure generator, an outlet refrigerant water pipeline of a refrigerant pump (22) is divided into two paths, one path is a refrigerating refrigerant water circulation pipe, the other path is a heating refrigerant circulation water inlet and outlet pipe, a membrane separation filter (6) is connected with a heat exchanger (7) in series, and a liquid inlet, a liquid outlet and a water outlet of the membrane separation filter (6) are connected with a dilute solution outlet and a concentrated solution inlet of an absorber, a concentrated solution outlet of a low-pressure generator (2) and an inlet of the heat exchanger (7) respectively. The system overcomes the defect that in the prior art, the degree of purity of materials is controlled difficultly when materials having the strict requirement for cleanliness are dried.
Description
Technical field
The invention belongs to energy recovery technical field, be specifically related to a kind of direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery.
Background technology
Current direct-burning lithium bromide absorption cold-hot water assembing group when cooling condition direct combustion high pressure generator exhaust gas temperature 170 ℃ of left and right, when for thermal condition, direct combustion high pressure generator exhaust gas temperature is 155 ℃ of left and right, in flue gas, contain part water vapour simultaneously, water vapour saturation temperature is 57 ℃ of left and right, the sensible heat of this part flue gas and the condensation latent heat of water vapour can account for 10% of fuel combustion caloric value, directly discharge cannot utilize at present, cause the waste of a large amount of fume afterheats, produce the thermal pollution of discharge simultaneously.Due to suitable for water vapour saturation temperature in thermal condition hot water preparing temperature and flue gas, adopt common direct heat transfer technology to be difficult to reclaim this part waste heat, how fully to recycle obvious heat of smoke and condensation latent heat, improve the efficiency of direct-burning lithium bromide absorption cold-hot water assembing group under cooling condition and confession thermal condition simultaneously, the mixed economy and the social benefit that realize energy-saving and emission-reduction, become a difficult problem of the prior art.The present invention therefore.
Summary of the invention
The object of the invention is to provide a kind of direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery, has well solved direct-burning lithium bromide absorption cold-hot water assembing group flue gas heat in prior art and has been difficult to the defects such as recovery, efficiency deficiency.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery, comprise direct combustion high pressure generator, low pressure generator, condenser, evaporimeter, absorber, film separator-filter, heat exchanger, solution pump and cryogenic fluid pump, it is characterized in that: at direct combustion high pressure generator smoke evacuation outlet, have additional flue gas condensing heat exchanger, cryogenic fluid pump is exported to coolant pipeline and be divided into two tunnels, one tunnel is refrigeration water as refrigerant circulation pipe, another road is heating refrigerant cycle water inlet/outlet pipe, described film separator-filter and heat exchanger in series, and its inlet, liquid outlet, delivery port exports with absorber weak solution respectively, the import of absorber concentrated solution, the outlet of low pressure generator concentrated solution and heat exchanger inlets are connected.
Preferred technical scheme is: refrigeration cryogen water valve is set on refrigeration water as refrigerant circulation pipe, heating refrigerant cycle water inlet/outlet pipe is divided into into flue gas condensing heat exchanger heating refrigerant cycle water pipe and goes out flue gas condensing heat exchanger heating refrigerant cycle water pipe, entering on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant inlet valve is set, going out on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant outlet valve is set, this pipeline that goes out flue gas condensing heat exchanger heating refrigerant cycle water pipe access refrigeration cryogen water valve rear portion converges or accesses separately evaporimeter, the first cross over pipe is established in entering between flue gas condensing heat exchanger heating refrigerant cycle water pipe after solution pump discharge pipe and heating water as refrigerant inlet valve, and on this first cross over pipe, dilute solution inlet valve is set, before going out the weak solution pipe of heat exchanger and heating water as refrigerant outlet valve, go out between flue gas condensing heat exchanger heating refrigerant cycle water pipe to establish the second cross over pipe, and on this second cross over pipe, weak solution outlet valve is set, during cooling condition, cooling water flow is in absorber and condenser heat-transfer pipe, utilize low temperature weak solution Mist heat recovering, during heating operating mode, heating hot water is flowed through in absorber and condenser heat-transfer pipe, utilize cryogenic coolant water Mist heat recovering, described absorber arranged outside interfacial agent gas-phase adding apparatus, described interfacial agent gas-phase adding apparatus is communicated with absorber by pipeline.
Preferred technical scheme is: the hot water line of outside water system and cold water pipeline share identical pipeline, entering the hot and cold water water inlet pipe of evaporimeter and entering between the cooling water inlet pipe of absorber and establish the 3rd cross over pipe, on the 3rd cross over pipe, hot water water intaking valve is set, going out the cooling water outlet pipe of condenser and going out between the hot and cold water outlet pipe of evaporimeter tetrad siphunculus is set, and on this tetrad siphunculus, hot water effluent's valve is set, and on the cooling water outlet pipe that goes out condenser after the second cross over pipe, cooling water outlet valve is set.
Preferred technical scheme is: the hot water line of outside water system and cold water pipeline do not share identical pipeline, set up a road hot water inlet pipe, and hot water water intaking valve is set on this hot water inlet pipe after entering the cooling water inlet pipe valve of absorber; Going out on the cooling water outlet pipe of condenser, to set up a road hot water outlet pipe, and hot water effluent's valve is being set on this hot water outlet pipe, and on the cooling water outlet pipe that goes out condenser after the hot water outlet pipe of Gai road, cooling water outlet valve is being set.
Preferred technical scheme is: described evaporimeter and absorber are single hop, two sections or multistage.
Preferred technical scheme is: described interfacial agent gas-phase adding apparatus is in-built interfacial agent; Described interfacial agent is selected from the one or more kinds of combinations of isooctanol, octanol, enanthol or hexanol.
Preferred technical scheme is: the high concentration lithium bromide pipeline connection after described interfacial agent gas-phase adding apparatus and film separator-filter are concentrated, in high concentration lithium bromide pipeline, high concentration lithium-bromide solution is connected into absorber after mixing with interfacial agent.
Preferred technical scheme is: the high concentration lithium bromide pipeline after described interfacial agent gas-phase adding apparatus is concentrated with film separator-filter by interfacial agent gas phase interpolation control valve is controlled and is communicated with.
During cooling condition, refrigeration refrigerant cycle water enters evaporimeter heat absorption evaporation through refrigeration cryogen water valve, solution pump discharge two-way weak solution is in parallel, it is concentrated that one tunnel weak solution accesses direct combustion high pressure generator after film separator-filter and heat exchanger heat up, and it is concentrated that the weak solution manifold that another road weak solution accesses out heat exchanger through weak solution outlet valve again after dilute solution inlet valve access flue gas condensing heat exchanger heats up closes or access separately direct combustion high pressure generator; During for thermal condition, heating refrigerant cycle water after heating water as refrigerant inlet valve enters flue gas condensing heat exchanger and heats up again the pipeline through heating water as refrigerant outlet valve access refrigeration cryogen water valve rear portion converge or enter separately the cooling of evaporimeter shwoot, it is concentrated that solution pump discharge weak solution all accesses direct combustion high pressure generator after heating up in film separator-filter and heat exchanger one road; And switch by outside water system valve, while realizing cooling condition, cooling water flow is in absorber and condenser heat-transfer pipe, utilize low temperature weak solution Mist heat recovering, in heating hot water is flowed through absorber and condenser heat-transfer pipe during for thermal condition, utilize cryogenic coolant water Mist heat recovering.
The direct-burning lithium bromide absorption cold-hot water assembing group of band heat recovery of the present invention, the hot water line of outside water system and cold water pipeline share identical pipeline, entering the hot and cold water water inlet pipe of evaporimeter and entering between the cooling water inlet pipe of absorber and establish the 3rd cross over pipe, on the 3rd cross over pipe, hot water water intaking valve is set, going out the cooling water outlet pipe of condenser and going out between the hot and cold water outlet pipe of evaporimeter tetrad siphunculus is set, and on this tetrad siphunculus, hot water effluent's valve is set, and on the cooling water outlet pipe that goes out condenser after the second cross over pipe, cooling water outlet valve is set.
The direct-burning lithium bromide absorption cold-hot water assembing group of band heat recovery of the present invention, the hot water line of outside water system and cold water pipeline do not share identical pipeline, after entering the cooling water inlet pipe valve of absorber, set up a road hot water inlet pipe, and hot water water intaking valve is set on this hot water inlet pipe; Going out on the cooling water outlet pipe of condenser, to set up a road hot water outlet pipe, and hot water effluent's valve is being set on this hot water outlet pipe, and on the cooling water outlet pipe that goes out condenser after the hot water outlet pipe of Gai road, cooling water outlet valve is being set.
The invention has the beneficial effects as follows:
The present invention is by setting up flue gas condensing heat exchanger and above-mentioned brand-new flow process in direct combustion high pressure generator smoke evacuation outlet, approximately 40 ℃ of left and right of low temperature weak solution during refrigeration, can make flue gas exhaust gas temperature be reduced to below 60 ℃, reclaim a large amount of obvious heat of smoke heats and small part water vapour condensation latent heat, do not increasing under the prerequisite of fuel consumption, making unit refrigerating capacity and refrigerating efficiency improve more than 6%; 55 ℃ of left and right of heating hot water during heat supply, can make flue gas exhaust gas temperature be reduced to below 30 ℃, reclaim a large amount of obvious heat of smoke heats and most water vapour condensation latent heat, do not increasing under the prerequisite of fuel consumption, make unit heating capacity processed and heating efficiency improve more than 10%.When identical refrigerating capacity, heating load, can reduce Fuel Consumption, reduce operating cost, improve energy utilization rate, and reduced the thermal pollution of smoke evacuation to environment.
To sum up, the present invention, by the recovery to fume afterheat, can increase substantially unit efficiency, reduces fuel consumption, realizes overall economic efficiency and the social benefit of energy-saving and emission-reduction.In pipeline of the present invention, add interfacial agent, directly act on sorbent surface, the effect absorbing is strengthened in performance, can accelerate the assimilation effect of absorber.Described film separator-filter can be the combined unit of reverse osmosis unit or electrodialysis plant or nanofiltration device or micro-filtration or ultrafiltration apparatus or two kinds of above separating and filtering devices, as preferably, the device of available electrodialysis plant and reverse osmosis unit associating.The day-to-day operation expense of film separator-filter of the present invention reduces, and cooling water inflow reduces, and pump consuming electric power declines.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, be specifically described:
Fig. 1 is the structural representation of the direct-burning lithium bromide absorption cold-hot water assembing group of band heat recovery of the present invention.
In figure: direct combustion high pressure generator 1, low pressure generator 2, condenser 3, evaporimeter 4, absorber 5, film separator-filter 6, heat exchanger 7, interfacial agent gas-phase adding apparatus 8, interfacial agent gas phase is added control valve 9, cooling water water intaking valve 10, cold valves 11, hot water water intaking valve 13, heating water as refrigerant inlet valve 14, refrigeration cryogen water valve 15, hot water effluent's valve 16, cooling water outlet valve 17, flue gas condensing heat exchanger 18, solution pump 21, cryogenic fluid pump 22, dilute solution inlet valve 23, weak solution outlet valve 24, heating water as refrigerant outlet valve 25.
The specific embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for the present invention is described.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment
As shown in Figure 1, this direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery is by direct combustion high pressure generator 1, low pressure generator 2, condenser 3, evaporimeter 4, absorber 5, film separator-filter 6, heat exchanger 7, cooling water water intaking valve 10, cold valves 11, hot water water intaking valve 13, heating water as refrigerant inlet valve 14, refrigeration cryogen water valve 15, hot water effluent's valve 16, cooling water outlet valve 17, flue gas condensing heat exchanger 18, solution pump 21, cryogenic fluid pump 22, dilute solution inlet valve 23, weak solution outlet valve 24, heating water as refrigerant outlet valve 25, the pipeline of control system (not shown) and connecting components, a kind of direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery that valve etc. form, it is on direct-burning lithium bromide absorption cold-hot water assembing group basis in the past, at direct combustion high pressure generator smoke evacuation outlet, set up flue gas condensing heat exchanger 18, cryogenic fluid pump 22 outlet coolant pipelines are divided into two tunnels, one tunnel is refrigeration water as refrigerant circulation pipe, refrigeration cryogen water valve 15 is set thereon, another road is heating refrigerant cycle water inlet/outlet pipe, this heating refrigerant cycle water inlet/outlet pipe is divided into into flue gas condensing heat exchanger heating refrigerant cycle water pipe and goes out flue gas condensing heat exchanger heating refrigerant cycle water pipe, entering on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant inlet valve 14 is set, going out on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant outlet valve 25 is set, this pipeline that goes out the accessible refrigeration of flue gas condensing heat exchanger heating refrigerant cycle water pipe cryogen water valve 15 rear portions converges or accesses separately evaporimeter 4, the first cross over pipe is established in entering between flue gas condensing heat exchanger heating refrigerant cycle water pipe after solution pump discharge pipe and heating water as refrigerant inlet valve 14, and on this first cross over pipe, dilute solution inlet valve 23 is set, before going out the weak solution pipe of heat exchanger and heating water as refrigerant outlet valve 25, go out between flue gas condensing heat exchanger heating refrigerant cycle water pipe to establish the second cross over pipe, and on this second cross over pipe, weak solution outlet valve 24 is set.During cooling condition, refrigeration refrigerant cycle water enters evaporimeter 4 heat absorption evaporations through refrigeration cryogen water valve 15, the two-way weak solution of solution pump 21 outlets is in parallel, it is concentrated that one tunnel weak solution accesses direct combustion high pressure generator 1 after film separator-filter 6 and heat exchanger 7 heats up, and it is concentrated that the weak solution manifold that another road weak solution accesses out heat exchanger through weak solution outlet valve 24 again after dilute solution inlet valve 23 access flue gas condensing heat exchangers 18 heat up closes or access separately direct combustion high pressure generator 1; During for thermal condition, heating refrigerant cycle water after heating water as refrigerant inlet valve 14 enters flue gas condensing heat exchanger 18 and heats up again the pipeline through heating water as refrigerant outlet valve 25 access refrigeration cryogen water valve 15 rear portions converge or enter separately evaporimeter 4 shwoots, it is concentrated that solution pump 21 outlet weak solutions all access direct combustion high pressure generator 1 after heating up in film separator-filter 6 and heat exchanger 7 one roads; The hot water line of outside water system and cold water pipeline share identical pipeline, entering cold (heat) the water water inlet pipe of evaporimeter 4 and entering between the cooling water inlet pipe of absorber 5 and establish the 3rd cross over pipe, on the 3rd cross over pipe, hot water water intaking valve 13 is set, going out the cooling water outlet pipe of condenser 3 and going out between cold (heat) water outlet pipe of evaporimeter 4 tetrad siphunculus is set, and on this tetrad siphunculus, hot water effluent's valve 16 is set, on the cooling water outlet pipe that goes out condenser 3 after the second cross over pipe, cooling water outlet valve 17 is set.
Described absorber 5 arranged outside interfacial agent gas-phase adding apparatus 8, described interfacial agent gas-phase adding apparatus 8 is communicated with absorber 5 by pipeline.Described film separator-filter 6 is connected with heat exchanger 7, and its inlet, and liquid outlet, delivery port are connected with the outlet of absorber weak solution, the import of absorber concentrated solution, low pressure generator 2 concentrated solution outlets and heat exchanger 7 imports respectively.
When cooling condition moves, close heating water as refrigerant inlet valve 14, heating water as refrigerant outlet valve 25, hot water water intaking valve 13 and hot water effluent's valve 16, open refrigeration cryogen water valve 15, dilute solution inlet valve 23, weak solution outlet valve 24, cold valves 11, cooling water water intaking valve 10 and cooling water outlet valve 17, in evaporimeter 4 heat-transfer pipes, pass into cold water, in absorber 5 and condenser 3 heat-transfer pipes, pass into cooling water, flue gas condensing heat exchanger 18 is not enabled, refrigeration refrigerant cycle water enters evaporimeter 4 heat absorption evaporations through refrigeration cryogen water valve 15, the two-way weak solution of solution pump 21 outlets is in parallel, it is concentrated that one tunnel weak solution accesses direct combustion high pressure generator 1 after film separator-filter 6 and heat exchanger 7 intensifications, it is concentrated that the weak solution manifold that another road weak solution accesses out heat exchanger through weak solution outlet valve 24 again after dilute solution inlet valve 23 access flue gas condensing heat exchangers 18 heat up closes or access separately direct combustion high pressure generator 1, other move by cooling flow in the past.By above-mentioned brand-new weak solution parallel-connection flow, the low-temperature flue gas of realizing the discharge of direct combustion high pressure generator transfers heat to the weak solution of low temperature by flue gas condensing heat exchanger, fully recycle sensible heat and the condensation latent heat of low-temperature smoke extraction.
When heating operating mode is moved, open heating water as refrigerant inlet valve 14, heating water as refrigerant outlet valve 25, hot water water intaking valve 13 and hot water effluent's valve 16, close refrigeration cryogen water valve 15, dilute solution inlet valve 23, weak solution outlet valve 24, cold valves 11, cooling water water intaking valve 10 and cooling water outlet valve 17, heat supply hot water enters absorber 5 and condenser 3 through 13 series connection of superheated water water intaking valve, enable flue gas condensing heat exchanger 18, unit is still pressed dual-effect refrigeration process flow operation, it is concentrated that solution pump 21 outlet weak solutions all access direct combustion high pressure generator 1 after film separator-filter 6 and heat exchanger 7 one tunnels intensifications, after sensible heat and condensation latent heat intensification that cryogenic coolant water enters flue gas condensing heat exchanger 18 recovered flue gas through heating water as refrigerant inlet valve 14, enter evaporimeter 4 shwoot coolings, the refrigerant vapour producing enters absorber 5 and is absorbed by concentrated solution, bromize lithium concentrated solution is emitted the heat of condensation of refrigerant vapour when absorbing refrigerant vapour, heat supply hot water in heating absorption device 4 heat-transfer pipes.After the water as refrigerant cooling that does not have to evaporate, by cryogenic fluid pump 22, promote and enter again flue gas condensing heat exchanger 18 through heating cryogen water valve 14, form closed cycle, continue sensible heat and the condensation latent heat of recovery low-temperature flue gas.The hot water that flows out absorber 5 after heating up enters in condenser 3 heat-transfer pipes, absorbs the heat of condensation that direct combustion high pressure generator 1 cryogen condensate water shwoot and low pressure generator 2 produce secondary refrigerant vapour, is sent to heating user after intensification.The water as refrigerant that condenser 3 condenses enters evaporimeter 4, and according to the difference of fume afterheat ratio, part water as refrigerant enters in absorber 5 bottom solution through evaporimeter 4 water pond overflows, realizes heating demand and reclaims the autobalance that low temperature exhaust heat is loaded.By above-mentioned brand-new craft flow, the low-temperature flue gas of realizing the discharge of direct combustion high pressure generator transfers heat to the water as refrigerant of low temperature by flue gas condensing heat exchanger, the heat of water as refrigerant has passed to hot water by the absorption process of solution again, fully recycles sensible heat and the condensation latent heat of low-temperature smoke extraction.
Above scheme is applicable to evaporimeter-absorber and can is single hop (shown in figure), also can is two sections or multistage.
Above-mentioned example is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery, comprise direct combustion high pressure generator (1), low pressure generator (2), condenser (3), evaporimeter (4), absorber (5), film separator-filter (6), heat exchanger (7), solution pump (21) and cryogenic fluid pump (22), it is characterized in that: at direct combustion high pressure generator (1) smoke evacuation outlet, have additional flue gas condensing heat exchanger (18), cryogenic fluid pump (22) outlet coolant pipeline is divided into two tunnels, one tunnel is refrigeration water as refrigerant circulation pipe, another road is heating refrigerant cycle water inlet/outlet pipe, described film separator-filter (6) is connected with heat exchanger (7), and its inlet, liquid outlet, delivery port exports with absorber weak solution respectively, the import of absorber concentrated solution, the outlet of low pressure generator (2) concentrated solution and heat exchanger (7) import are connected.
2. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 1, it is characterized in that: on refrigeration water as refrigerant circulation pipe, refrigeration cryogen water valve (15) is set, heating refrigerant cycle water inlet/outlet pipe is divided into into flue gas condensing heat exchanger heating refrigerant cycle water pipe and goes out flue gas condensing heat exchanger heating refrigerant cycle water pipe, entering on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant inlet valve (14) is set, going out on flue gas condensing heat exchanger heating refrigerant cycle water pipe heating water as refrigerant outlet valve (25) is set, this pipeline that goes out flue gas condensing heat exchanger heating refrigerant cycle water pipe access refrigeration cryogen water valve (15) rear portion converges or accesses separately evaporimeter (4), the first cross over pipe is established in entering between flue gas condensing heat exchanger heating refrigerant cycle water pipe after solution pump discharge pipe and heating water as refrigerant inlet valve (14), and dilute solution inlet valve (23) is set on this first cross over pipe, in the weak solution pipe and front the going out between flue gas condensing heat exchanger heating refrigerant cycle water pipe of heating water as refrigerant outlet valve (25) that go out heat exchanger, establish the second cross over pipe, and weak solution outlet valve (24) is set on this second cross over pipe, during cooling condition, cooling water flow is in absorber (5) and condenser (3) heat-transfer pipe, utilize low temperature weak solution Mist heat recovering, during heating operating mode, heating hot water is flowed through in absorber (5) and condenser (3) heat-transfer pipe, utilize cryogenic coolant water Mist heat recovering, described absorber (5) arranged outside interfacial agent gas-phase adding apparatus (8), described interfacial agent gas-phase adding apparatus (8) is communicated with absorber (5) by pipeline.
3. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 2, it is characterized in that: the hot water line of outside water system and cold water pipeline share identical pipeline, entering the hot and cold water water inlet pipe of evaporimeter (4) and entering between the cooling water inlet pipe of absorber (5) and establish the 3rd cross over pipe, hot water water intaking valve (13) is set on the 3rd cross over pipe, going out the cooling water outlet pipe of condenser (3) and going out between the hot and cold water outlet pipe of evaporimeter (4) tetrad siphunculus is set, and hot water effluent's valve (16) is set on this tetrad siphunculus, and cooling water outlet valve (17) is set on the cooling water outlet pipe that goes out condenser (3) after the second cross over pipe.
4. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 2, it is characterized in that: the hot water line of outside water system and cold water pipeline do not share identical pipeline, after the cooling water inlet pipe valve that enters absorber (5), set up a road hot water inlet pipe, and hot water water intaking valve (13) is set on this hot water inlet pipe; Going out on the cooling water outlet pipe of condenser, to set up a road hot water outlet pipe, and hot water effluent's valve (16) is being set on this hot water outlet pipe, and on the cooling water outlet pipe that goes out condenser after the hot water outlet pipe of Gai road, cooling water outlet valve (17) is being set.
5. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 2, is characterized in that: described evaporimeter (4) and absorber (5) are single hop, two sections or multistage.
6. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 2, it is characterized in that described interfacial agent gas-phase adding apparatus (8) is in-built has an interfacial agent; Described interfacial agent is selected from the one or more kinds of combinations of isooctanol, octanol, enanthol or hexanol.
7. the direct-burning lithium bromide absorption cold-hot water assembing group with heat recovery according to claim 2, it is characterized in that the high concentration lithium bromide pipeline connection after described interfacial agent gas-phase adding apparatus (8) and film separator-filter (6) concentrate, in high concentration lithium bromide pipeline, high concentration lithium-bromide solution is connected into absorber (5) after mixing with interfacial agent.
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| CN201310452397.3A CN103542592A (en) | 2013-09-28 | 2013-09-28 | Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function |
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| CN201310452397.3A CN103542592A (en) | 2013-09-28 | 2013-09-28 | Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102997482A (en) * | 2012-12-19 | 2013-03-27 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition |
| CN105066502A (en) * | 2015-07-31 | 2015-11-18 | 上海缔森能源技术有限公司 | Direct burning absorption refrigeration method and device for recovering phase change heat |
| CN110145893A (en) * | 2019-05-23 | 2019-08-20 | 机械工业第六设计研究院有限公司 | The direct-burning type lithium bromide cold-hot water group driven using biomass energy |
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