CN203177524U - Heat exchange system with multi-section lithium bromide absorption-type unit - Google Patents
Heat exchange system with multi-section lithium bromide absorption-type unit Download PDFInfo
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- CN203177524U CN203177524U CN2013201674619U CN201320167461U CN203177524U CN 203177524 U CN203177524 U CN 203177524U CN 2013201674619 U CN2013201674619 U CN 2013201674619U CN 201320167461 U CN201320167461 U CN 201320167461U CN 203177524 U CN203177524 U CN 203177524U
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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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Abstract
The utility model relates to a heat exchange system with a multi-section lithium bromide absorption-type unit. Generators, condensers, evaporators, absorbers and solution heat exchangers are arranged at N sections. The generators and the condensers at all sections are combined in one chamber. The evaporators and the absorbers at all sections are combined in another chamber. Then the generators, the condensers, the evaporators, the absorbers and the solution heat exchangers at all corresponding sections respectively form independent generation, condensation, evaporation and absorption processes. Heat-releasing heat sources serially connect the generators at the N sections and then enter the heat exchangers. Partial heat-absorbing heat sources serially connect the evaporators at the N sections, then enter the heat exchangers and become a loop of heat-absorbing hot water for water supply after the partial heat-absorbing heat sources go out of the heat exchangers. Other heat-absorbing heat sources enter the absorbers at all sections through pipelines and then are serially connected to enter the condensers at all corresponding sections. After the heat-absorbing heat sources converge at the outlets of the condensers at the N sections, the heat-absorbing heat sources become another loop of heat-absorbing hot water for heat supply. The two loops of heat-absorbing hot water are delivered to heat consuming places separately or after the two loops of heat-absorbing hot water converge. Under the situation that the temperature of the heat-releasing heat sources and the supplied and returned water temperature of the heat-absorbing heat sources are fixed, the outlet temperature of the heat-releasing heat sources can be decreased to be lower.
Description
Technical field
The utility model relates to a kind of heat-exchange system of lithium bromide absorption-type machine unit.Belong to air conditioner technical field.
Background technology
In production technology waste heat system or central heating system, heat in the heat release thermal source is delivered in the heat-obtaining hot water, realize that heat release thermal source outlet temperature is lower than heat-obtaining thermal source inlet temperature, increase the heat release thermal source and effectively utilize the temperature difference, realize energy-saving and emission-reduction, reduce operating cost, it adopts shown in the heat-exchange system (as Fig. 1) of being with lithium bromide absorption-type machine unit, comprises heat exchanger, heat-obtaining hot water tube system, heat release thermal source pipe-line system and uses thermal field institute.Lithium bromide absorption-type machine unit in the system comprises evaporimeter, absorber, condenser and generator.The heat release thermal source that heat release thermal source pipe-line system is come is seted out after generator that living organ pipe is introduced into lithium bromide absorption-type machine unit once lowers the temperature as the heat release thermal source by the heat release thermal source, goes out generator by the heat release thermal source again and advances the heat exchanger connecting leg and enter the heat exchanger reducing temperature twice; Go out with thermal field heat-obtaining hot water backwater parallel connection be divided into three the tunnel: wherein the two-way parallel connection becomes one road heat-obtaining hot water and supplies water by two absorbers condenser that the back series connection enters lithium bromide absorption-type machine unit heat-obtaining that heats up again that heats up; After the evaporimeter refrigeration cool-down that evaporator tube enters lithium bromide absorption-type machine unit is advanced by heat-obtaining hot water earlier in another road, go out evaporimeter by heat-obtaining hot water again and advance that the heat exchanger connecting leg enters heat exchanger and the heat exchange of heat release hot water heats up, become another road heat-obtaining hot water and supply water.Described two road heat-obtaining hot water supply water separately or converge back being transported to by the heat-obtaining hot water tube system and use thermal field institute.
In the heat-exchange system of above-mentioned lithium bromide absorption-type machine unit, the supply and return water temperature of the inlet temperature of the outlet temperature of heat release thermal source and heat release thermal source and heat-obtaining hot water is directly related, for the part occasion under the certain situation of the supply and return water temperature of heat release heat source temperature and heat-obtaining hot water, requirement the outlet temperature of heat release thermal source fall lower, bring more heat for the heat-obtaining thermal source, adopt the heat-exchange system (as Fig. 1) of above-mentioned band lithium bromide absorption-type machine unit just can't meet the demands.How more effectively to utilize the heat of heat release thermal source, higher temperature and heat is provided for heat-obtaining hot water, become the problem that the heat-exchange system of band lithium bromide absorption-type machine unit need solve.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of under the certain situation of the supply and return water temperature of heat release heat source temperature and heat-obtaining hot water, the heat-exchange system of the lower lithium bromide absorption-type machine unit that can fall the outlet temperature of heat release thermal source.
The purpose of this utility model is achieved in that a kind of heat-exchange system with the multisection type lithium bromide absorption-type machine unit, comprise generator, condenser, evaporimeter, absorber, the pipeline that solution heat exchanger and system connect, pump, valve, it is characterized in that: described generator, condenser, evaporimeter, absorber and solution heat exchanger are provided with the N section, N is 〉=natural number, each section generator and condenser are combined in the cavity, each section evaporimeter and absorber combination are in another cavity, solution heat exchanger with each correspondent section constitutes independently generation respectively again, condensation and evaporation, absorption process, the heat release thermal source is together in series described N section generator by pipeline, enter from first section generator, through second section generator, the 3rd section generator ... to the last enter N section generator, discharge after entering heat exchanger again; Part heat-obtaining thermal source gets up described N section evaporator series by pipeline, enter from N section evaporimeter, through N-1 section evaporimeter, N-2 section evaporimeter ... to the last enter first section evaporimeter, enter heat exchanger again, become the water supply of one road heat-obtaining hot water after going out heat exchanger, all the other heat-obtaining thermals source enter described each section absorber by the pipeline parallel connection, going out behind each section absorber again, series connection enters the condenser of each correspondent section, after the outlet of N section condenser converges, become another road heat-obtaining hot water heating, above-mentioned two road heat-obtaining hot water heatings separately or be transported to after converging and use thermal field institute.
A kind of heat-exchange system with the multisection type lithium bromide absorption-type machine unit of the utility model, described generator, condenser, evaporimeter, absorber and solution heat exchanger are provided with two sections, first section generator and first section condenser are arranged in the chamber, first section evaporimeter and first section absorber are arranged in another chamber, first section generator, first section condenser, first section evaporimeter, first section absorber and first section solution heat exchanger constitute an independently generation, condensation and evaporation, absorption process, constitute first section combination thus; Second section generator and second section condenser are arranged in the chamber, second section evaporimeter and second section absorber are arranged in another chamber, second section generator, second section condenser, second section evaporimeter, second section absorber and second section solution heat exchanger constitute another independently generation, condensation and evaporation, absorption process, constitute second section combination thus, the heat release thermal source is together in series described two sections generators by pipeline, enter from first section generator, come out from second section generator, discharge after entering heat exchanger again; Part heat-obtaining thermal source enters second section evaporimeter and first section evaporimeter by the pipeline series connection, enter heat exchanger again after going out first section evaporimeter, becoming one road heat-obtaining hot water supplies water, all the other heat-obtaining thermals source enter first section absorber and second section absorber by the pipeline parallel connection, enter first section condenser by series connection behind first section absorber, enter second section condenser by series connection behind second section absorber, after going out first section condenser and second section condenser and converging by pipeline, become another road heat-obtaining hot water and supply water, two-way heat-obtaining hot water separately or be transported to after converging and use thermal field institute.
The utility model is a generator of the lithium bromide absorption-type machine unit in the heat-exchange system of band lithium bromide absorption-type machine unit originally, a condenser, an evaporimeter, an absorber, a solution heat exchanger is divided into the N section, it is become by N section generator, N section condenser, N section evaporimeter, N section absorber, the heat-exchange system of the multisection type band lithium bromide absorption-type machine unit that N section solution heat exchanger is formed, each section generator, evaporimeter, absorber, condenser is born reduction and the rising of portion temperature respectively, finishes reduction and the rising of whole temperature after the N section.N can be divided into two, three, four or multistage more.Generator and the condenser of single hop are combined in the cavity, with the evaporimeter of single hop and absorber combination in a cavity, be combined into the independently closed circuit of lithium-bromide solution and water as refrigerant with a solution heat exchanger by pipe-line system, pump, in this system, finish the concentrated absorption of lithium-bromide solution and the condensation evaporation of refrigerant vapor.Heat release thermal source (steam, hot water, fuel oil, combustion gas, high-temperature flue gas etc.) is together in series N generator by pipeline, enters from first section generator, through two, three ... to the last enter N section generator, the cooling of one-level one-level.(part) heat-obtaining source lead up to pipeline with N evaporator series, enter from N section evaporimeter, through N-1, N-2 .... to the last enter first section evaporimeter, the cooling of one-level one-level.Series connection entered this section condenser after (part) all the other heat-obtaining sources entered N absorber by the pipeline parallel connection.The lithium-bromide solution that generator, condenser, evaporimeter, absorber, the solution heat exchanger of above-mentioned N section is combined into and the closed circuit of water as refrigerant by the tandem drive of above-mentioned heat release thermal source after cooling, the cooling of part heat-obtaining thermal source cascade refrigeration, connect again after (part) all the other heat-obtaining thermal source pipeline parallel connections heat up by absorber and enter the condenser of this section, form the heat-exchange system of band multisection type lithium bromide absorption-type machine unit.
By above optimum organization, the heat-exchange system of this band multisection type lithium bromide absorption-type machine unit is in running, enter in the parallel connection of heat-obtaining source under the condition of each section absorber, the evaporimeter section that (part) heat-obtaining thermal source is introduced into is because the temperature height, produce refrigerant vapor pressure height, the evaporating pressure height, the concentration behind the solution absorption refrigerant vapour of this section absorber is than alkene, and is also lower by the heat releasing source temperature of this section generator.Because temperature is low, and evaporating pressure is low, the concentration that the solution of this section absorber absorbs behind the refrigerant vapour is denseer, and is higher by the heat releasing source temperature of this section generator at one section evaporimeter of heat-obtaining source outlet.Make up in the low-temperature zone of generator by high temperature section and the heat releasing source of heat-obtaining thermal source at evaporimeter, make up in the high temperature section of generator at low-temperature zone and the heat releasing source of evaporimeter in the heat-obtaining source, guarantee under the prerequisite of identical heat releasing source temperature, the heat releasing source outlet temperature of discharging is lower, more heat is provided for simultaneously the heat-obtaining place.Heat releasing source enters the heat exchanger cooling again after the cooling of N section generator, (part) heat-obtaining subject string connection enters lower that temperature is fallen behind the N section evaporimeter, this part is lower get heat source water by heat exchanger can the heat releasing source temperature of coming out from N section generator fall lower, more effectively utilize the heat of heat releasing source, higher temperature and heat is provided for heat-obtaining hot water.
The beneficial effects of the utility model are:
The employing native system can be under the certain situation of the supply and return water temperature of heat release heat source temperature and heat-obtaining hot water, can the outlet temperature of heat release thermal source fall lower, significantly increase the temperature difference of heat release thermal source, provided the more hot water of volume with thermal field, increase the heat release thermal source to the transmission of the heat in heat-obtaining place, improve the synthesis energy saving benefit.
Description of drawings
Fig. 1 is in the past with the heat-exchange system structural representation of lithium bromide absorption-type machine unit.
Fig. 2 is the heat-exchange system structural representation of the utility model band multisection type lithium bromide absorption-type machine unit.
Reference numeral among the figure:
Generator thermal source control valve 1, first section condenser 2, first section generator 3, second section generator 4, second section condenser 5, second section solution heat exchanger 6, heat exchanger 7, with thermal field institute 8, second section absorber 9, second section evaporimeter 10, second section cryogenic fluid pump 11, second section solution pump 12, first section solution pump 13, first section cryogenic fluid pump 14, first section evaporimeter 15, first section absorber 16, first section solution heat exchanger 17, generator 18, condenser 19, cryogenic fluid pump 20, evaporimeter 21, solution pump 22, absorber 23, solution heat exchanger 24.
The specific embodiment
As shown in Figure 2, Fig. 2 is the heat-exchange system structural representation of the utility model band multisection type lithium bromide absorption-type machine unit.Be two sections schematic flow sheets among the figure.This heat-exchange system is made up of first section generator 3, second section generator 4, first section condenser 2, second section condenser 5, first section evaporimeter 15, second section evaporimeter 10, first section absorber 16, second section absorber 9, first section solution heat exchanger 17, second section solution heat exchanger 6, first section solution pump 13, second section solution pump 12, first section cryogenic fluid pump 14, second section cryogenic fluid pump 11, heat exchanger 7, control system (not shown) and pipeline, valve etc.First section generator 3 and first section condenser 2 are arranged in the cavity, first section evaporimeter 15 and first section absorber 16 are arranged in another cavity, and first section generator 3, first section condenser 2, first section evaporimeter 15, first section absorber 16 and first section solution heat exchanger 17 constitute independently generation, condensation and evaporation, absorption process.The cyclic process of water as refrigerant and lithium-bromide solution is identical with device shown in Figure 1, but the cooling of the reduction of heat release heat source temperature and part heat-obtaining heat source temperature is only finished a part in this section, constitutes first section combination thus.Second section generator 4 and second section condenser 5 are arranged in the cavity, second section evaporimeter 10 and second section absorber 9 are arranged in another cavity, and second section generator 4, second section condenser 5, second section evaporimeter 10, second section absorber 9 and second section solution heat exchanger 6 constitute independently generation, condensation and evaporation, absorption process.Constitute second section combination thus, operation principle is identical with first section combination.The generator of every section combination and condenser, evaporimeter and absorber can arrange up and down also can about arrange.Arrange about being illustrated as that the heat release thermal source is at generator, part heat-obtaining thermal source is at evaporimeter, and all the other heat-obtaining thermals source are connected in series to condenser after absorber, be down to out version.Heat release thermal source (steam, hot water, fuel oil, combustion gas, high-temperature flue gas etc.) enters first section generator 3 and second section generator 4 by the pipeline series connection, finish entering cooling again behind the heat exchanger 7 heating heat-obtaining hot water behind the temperature-fall period in second section generator, discharge by the outlet of heat release thermal source.Part heat-obtaining thermal source enters in second section evaporimeter 10 and the first section evaporimeter 15 by pipeline series connection, heats up enter heat exchanger 7 cooling heat release thermals source after two sections coolings are finished after, becomes one road heat-obtaining hot water and supplies water.All the other heat-obtaining thermals source enter first section absorber 16 and second section absorber 9 by the pipeline parallel connection, enter first section condenser 2 by the 16 back series connection of first section absorber, enter second section condenser 5 by the 9 back series connection of second section absorber, after going out first section condenser 2 and second section condenser 5 and converging by pipeline, becoming another road heat-obtaining hot water supplies water, the heat-obtaining hot water that goes out heat exchanger 7 and the heat-obtaining hot water that goes out first section condenser 2 and second section condenser 5, two road heat-obtaining hot water are separately or converge back (be illustrated as and converge the back) and be transported to thermal field institute 8 and use.
Last figure is two sections schematic flow sheets, hop count N can be divided into two, three, four or multistage more, principle is identical with two sections, heat release thermal source (steam, hot water, fuel oil, combustion gas, high-temperature flue gas etc.) is together in series N section generator by pipeline, enter from first section generator, enter N section generator at last, finish behind the temperature-fall period of N section generator, entering heat exchanger 7 back that lowers the temperature again and discharge.Part heat-obtaining thermal source gets up N section evaporator series by pipeline, enter from N section evaporimeter, enter first section evaporimeter at last, one section one section cooling, after finishing whole temperature-fall periods in lithium bromide absorption-type machine unit, N section cooling enters the heat exchanger cooling, the heat release thermal source becomes one road heat-obtaining hot water heating after going out the intensification of N section generator thermal source.All the other heat-obtaining thermals source enter N section absorber by the pipeline parallel connection, enter the condenser of correspondent section by series connection behind every section absorber, after the outlet of N section condenser converges, become another road heat-obtaining hot water heating, above-mentioned two road heat-obtaining hot water heatings separately or be transported to thermal field after converging and use form a kind of heat exchanging system with the multisection type lithium bromide absorption-type machine unit.
Each section cryogenic fluid pump can be various independently (as shown in FIG.) in the such scheme.It also can be the mode that a plurality of evaporimeters share a cryogenic fluid pump.
Claims (3)
1. heat-exchange system with the multisection type lithium bromide absorption-type machine unit, comprise generator, condenser, evaporimeter, absorber and solution heat exchanger, it is characterized in that: described generator, condenser, evaporimeter, absorber and solution heat exchanger are provided with the N section, N is 〉=natural number, each section generator and condenser are combined in the cavity, each section evaporimeter and absorber combination are in another cavity, solution heat exchanger with each correspondent section constitutes independently generation respectively again, condensation and evaporation, absorption process, the heat release thermal source is together in series described N section generator by pipeline, enter from first section generator, through second section generator, the 3rd section generator ... to the last enter N section generator, discharge after entering heat exchanger again; Part heat-obtaining thermal source gets up described N section evaporator series by pipeline, enter from N section evaporimeter, through N-1 section evaporimeter, N-2 section evaporimeter ... to the last enter first section evaporimeter, enter heat exchanger again, become the water supply of one road heat-obtaining hot water after going out heat exchanger, all the other heat-obtaining thermals source enter described each section absorber by the pipeline parallel connection, going out behind each section absorber again, series connection enters the condenser of each correspondent section, after the outlet of N section condenser converges, become another road heat-obtaining hot water heating, above-mentioned two road heat-obtaining hot water heatings separately or be transported to after converging and use thermal field institute.
2. a kind of heat-exchange system with the multisection type lithium bromide absorption-type machine unit according to claim 1, it is characterized in that: described generator, condenser, evaporimeter, absorber and solution heat exchanger are provided with two sections, first section generator (3) and first section condenser (2) are arranged in the chamber, first section evaporimeter (15) and first section absorber (16) are arranged in another chamber, first section generator (3), first section condenser (2), first section evaporimeter (15), first section absorber (16) and first section solution heat exchanger (17) constitute one independently to be taken place, condensation and evaporation, absorption process constitutes first section combination thus; Second section generator (4) and second section condenser (5) are arranged in the chamber, second section evaporimeter (10) and second section absorber (9) are arranged in another chamber, second section generator (4), second section condenser (5), second section evaporimeter (10), second section absorber (9) and second section solution heat exchanger (6) constitute another independently to be taken place, condensation and evaporation, absorption process, constitute second section combination thus, the heat release thermal source is together in series described two sections generators by pipeline, enter from first section generator (3), come out from second section generator (4), enter heat exchanger (7) back again and discharge; Part heat-obtaining thermal source enters second section evaporimeter (10) and first section evaporimeter (15) by the pipeline series connection, enter heat exchanger (7) again after going out first section evaporimeter (15), becoming one road heat-obtaining hot water supplies water, all the other heat-obtaining thermals source enter first section absorber (16) and second section absorber (9) by the pipeline parallel connection, enter first section condenser (2) by the series connection of first section absorber (16) back, enter second section condenser (5) by the series connection of second section absorber (9) back, after going out first section condenser (2) and second section condenser (5) and converging by pipeline, become another road heat-obtaining hot water and supply water, two-way heat-obtaining hot water is transported to thermal field institute (8) separately or after converging.
3. a kind of heat-exchange system with the multisection type lithium bromide absorption-type machine unit according to claim 1 and 2 is characterized in that: the generator of every section combination and condenser, evaporimeter and absorber adopt up and down and arrange, or arrange about adopting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201674619U CN203177524U (en) | 2013-04-07 | 2013-04-07 | Heat exchange system with multi-section lithium bromide absorption-type unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201674619U CN203177524U (en) | 2013-04-07 | 2013-04-07 | Heat exchange system with multi-section lithium bromide absorption-type unit |
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| CN203177524U true CN203177524U (en) | 2013-09-04 |
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| CN2013201674619U Expired - Fee Related CN203177524U (en) | 2013-04-07 | 2013-04-07 | Heat exchange system with multi-section lithium bromide absorption-type unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822284A (en) * | 2014-02-28 | 2014-05-28 | 烟台荏原空调设备有限公司 | Adsorption type heat exchanger unit |
| CN103836699A (en) * | 2014-02-28 | 2014-06-04 | 烟台荏原空调设备有限公司 | Absorptive heat exchanger unit |
| CN103868130A (en) * | 2014-03-01 | 2014-06-18 | 双良节能系统股份有限公司 | After-burning lithium bromide absorption type heat exchange system |
| CN105650928A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Two-section type smoke hot water type lithium bromide absorption type refrigerator with smoke heat exchanger |
| CN105650929A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Two-section type smoke hot water type lithium bromide absorption type refrigerating unit with smoke heat exchanger |
| CN105650930A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Vertically-sectioned two-section type smoke hot water type lithium bromide absorption type refrigerating unit |
| CN107687721A (en) * | 2017-09-26 | 2018-02-13 | 双良节能系统股份有限公司 | Solution hot water type lithium bromide absorption cooling water dispenser group in parallel occurs with single-action |
-
2013
- 2013-04-07 CN CN2013201674619U patent/CN203177524U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822284A (en) * | 2014-02-28 | 2014-05-28 | 烟台荏原空调设备有限公司 | Adsorption type heat exchanger unit |
| CN103836699A (en) * | 2014-02-28 | 2014-06-04 | 烟台荏原空调设备有限公司 | Absorptive heat exchanger unit |
| CN103868130A (en) * | 2014-03-01 | 2014-06-18 | 双良节能系统股份有限公司 | After-burning lithium bromide absorption type heat exchange system |
| CN103868130B (en) * | 2014-03-01 | 2016-06-01 | 双良节能系统股份有限公司 | The suction-type lithium bromide heat-exchange system of combustion mended by band |
| CN105650928A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Two-section type smoke hot water type lithium bromide absorption type refrigerator with smoke heat exchanger |
| CN105650929A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Two-section type smoke hot water type lithium bromide absorption type refrigerating unit with smoke heat exchanger |
| CN105650930A (en) * | 2016-03-01 | 2016-06-08 | 双良节能系统股份有限公司 | Vertically-sectioned two-section type smoke hot water type lithium bromide absorption type refrigerating unit |
| CN107687721A (en) * | 2017-09-26 | 2018-02-13 | 双良节能系统股份有限公司 | Solution hot water type lithium bromide absorption cooling water dispenser group in parallel occurs with single-action |
| CN107687721B (en) * | 2017-09-26 | 2023-08-25 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption chiller with single effect generating solution parallel connection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20210407 |