CN208504788U - A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units - Google Patents
A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units Download PDFInfo
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- CN208504788U CN208504788U CN201820490393.2U CN201820490393U CN208504788U CN 208504788 U CN208504788 U CN 208504788U CN 201820490393 U CN201820490393 U CN 201820490393U CN 208504788 U CN208504788 U CN 208504788U
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- heat exchanger
- flue gas
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- solution
- heating
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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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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption colds, Hot water units, it is characterized by: flue gas heat-exchange unit (18) are first arranged on flue gas high pressure generator (1) smoke exhaust pipe in the unit, but be additionally arranged smoke solution heat exchanger (29) and into smoke solution heat exchanger weak solution pipeline (30), go out smoke solution heat exchanger weak solution pipeline (31).When cooling condition is run, weak solution enters smoke solution heat exchanger Mist heat recovering, and flue gas release thermal temperature discharges after reducing.When heating operating condition is run, the low-temperature circulating water of heating evaporator enters flue gas heat-exchange unit Mist heat recovering, and weak solution enters smoke solution heat exchanger heating room temperature flue gas, and the smoke absorption thermal temperature after relative humidity reduction discharges after increasing.The utility model chimney can be used conventional material without particular/special requirement, white cigarette can be effectively eliminated while recovered flue gas heat, promote whole system comprehensive utilization of energy rate, reduce thermal pollution and protect environment.
Description
Technical field
The utility model relates to a kind of fume hot-water type lithium bromide absorption colds, Hot water units.Belong to air-conditioning equipment technology neck
Domain.
Background technique
It is discharged at present in the power generation of Distribution of Natural formula and Industrial Stoves application field, jet dynamic control and Industrial Stoves
Flue-gas temperature is higher (400 DEG C or so), discharge fume the heat taken away and its ratio for accounting for energy-output ratio it is larger, for recycle
The waste heat of the waste heat and heat source water (i.e. engine high-temperature cooling water) of flue gas, some occasions are promoting and applying fume hot-water type bromine
Change lithium-absorbing formula hot water or cold water's machine set technology to reduce environmental pollution to improve comprehensive utilization of energy rate.
Fume hot-water type lithium bromide absorption cold, Hot water units be within the external device (ED)s discharge such as fuel engine power generation unit height
Warm flue gas and heat source water are as driving heat source, and water is refrigerant, lithium bromide water solution is absorbent, under vacuum conditions alternately or
The equipment that person produces air conditioning or technique cold water, hot water simultaneously.Fume hot-water type lithium bromide absorption cold (heat) water dispenser group
As shown in Figure 1, by flue gas high pressure generator 1, heat source water generator 17, low pressure generator 9, condenser 8, evaporator 5, absorber
4, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve
11, the pipeline of solution pump 6, cryogenic fluid pump 7, valve and control system (not shown) and connecting components is constituted.Unit system
When cold operating condition is run, exhaust gas temperature is at 170 DEG C or so；Unit is when heating operating condition is run, if heating water outlet temperature is at 60 DEG C
When, for flue gas high pressure generator exhaust gas temperature at 145 DEG C or so, winter outdoor temperature is low, and chimney just emits white cigarette, both wastes energy
Source, and pollute environment.
There are also a kind of heating high effective flue gas hot water type lithium bromide absorption cooling, Hot water units as shown in Fig. 2, it is common
On the basis of fume hot-water type lithium bromide absorption cold, Hot water units such as Fig. 1, increase flue gas heat-exchange unit 18, heating evaporator 27,
Heating absorber 20, heating heat exchanger 21, heating cryogenic fluid pump 22, water circulating pump 26 and switch valve and connecting components pipe
Road etc..When unit cooling condition is run, exhaust gas temperature is identical as common unit still at 170 DEG C or so；Unit is transported in heating operating condition
When row, if heating water outlet temperature is at 60 DEG C, exhaust gas temperature can be down to room temperature at 35 DEG C hereinafter, the whole system energy can be improved
Comprehensive utilization ratio.But winter outdoor temperature is low, room temperature exhaust gas temperature is lower than the dew-point temperature of flue gas, still has in chimney solidifying
Liquation goes out, and conventional carbon steel chimney can be corroded by lime set, this just gives chimney material to propose special requirement, and chimney need to use corrosion resistant
The material of erosion makes, and cost of investment increases.How to find a kind of chimney can be used conventional material without particular/special requirement, can effectively disappear
Recovered flue gas heat while white-smoke-removing, the environment-friendly high-efficiency fume hot-water type lithium bromide for improving whole system comprehensive utilization of energy rate
Absorption hot water or cold water's unit becomes one of the important topic studied at present.
Utility model content
Conventional material can be used purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of chimney to want without special
Recovered flue gas heat while asking, white cigarette can be effectively eliminated, the environment-friendly high-efficiency cigarette for improving whole system comprehensive utilization of energy rate
Gas hot water type lithium bromide absorption cooling, Hot water units.
Purpose of the utility model is realized as follows: a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, heat
Water dispenser group, including flue gas high pressure generator, heat source water generator, low pressure generator, condenser, evaporator, absorber, low temperature are molten
Liquid heat exchanger, solution pump, cryogenic fluid pump, flue gas heat-exchange unit, heating evaporator, heating absorber, is adopted high-temperature solution heat exchanger
Warm heat exchanger, heating cryogenic fluid pump and water circulating pump, the unit are first arranged flue gas on flue gas high pressure generator smoke exhaust pipe and change
Hot device, but be additionally arranged smoke solution heat exchanger and into smoke solution heat exchanger weak solution pipeline, go out smoke solution heat exchanger it is dilute molten
Liquid pipeline.The flue gas come out from flue gas high pressure generator, is introduced into flue gas heat-exchange unit, enters back into smoke solution heat exchanger heel row
It puts.
And newly increase smoke solution heat exchanger weak solution pipeline has into smoke solution heat exchanger weak solution pipeline and out
Three kinds of connection types are able to achieve purpose:
The first separates part weak solution from solution pump outlet and enters smoke solution heat exchanger, this part weak solution comes out
Enter flue gas high pressure generator afterwards.
Second, part weak solution is separated from cryogenic fluid heat exchanger outlet and enters smoke solution heat exchanger, this part
Weak solution enters flue gas high pressure generator after coming out.
The third, the weak solution come out from cryogenic fluid heat exchanger fully enters smoke solution heat exchanger, and weak solution goes out
High-temperature solution heat exchanger is fully entered after coming, enters back into flue gas high pressure generator.
The beneficial effects of the utility model are:
The utility model is by above-mentioned unit and process, when cooling condition is run, by smoke solution heat exchanger with being lower than
The weak solution Mist heat recovering of flue-gas temperature improves unit refrigeration performance；When heating operating condition is run, used by flue gas heat-exchange unit
Own system generates the flue gas heat exchange come out far below the low-temperature circulating water and flue gas high pressure generator of flue gas saturation temperature, recycling
The latent heat of sensible heat and part water vapour in flue gas after generating effect on moisture extraction while recovered flue gas heat, then passes through flue gas
Solution heat exchanger uses the weak solution higher than flue-gas temperature to flue gas, and the flue gas relative humidity discharged in this way reduces and temperature is high
In flue gas dew point temperature, unit thoroughly eliminates chimney while improving heating performance and emits white cigarette phenomenon, reduces the same of thermal pollution
When protect environment, be precipitated since flue gas does not have lime set in chimney, conventional material can be used without special in the material of chimney
It is required that.Water vapour accounting is bigger in driving heat source flue gas, and the heat of condensation of recycling is more, and whole system comprehensive utilization of energy rate is just
It is higher.The utility model unit operation is simple.
Detailed description of the invention
Fig. 1 is previous fume hot-water type lithium bromide absorption cold, Hot water units heat supply flow diagram.
Fig. 2 is a kind of heating high effective flue gas hot water type lithium bromide absorption cooling, Hot water units heat supply flow diagram.
Fig. 3 is a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold of the utility model, Hot water units heating process
Schematic diagram (first way).
Fig. 4 is a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold of the utility model, Hot water units heating process
Schematic diagram (second way).
Fig. 5 is a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold of the utility model, Hot water units heating process
Schematic diagram (the third mode).
Appended drawing reference:
Flue gas high pressure generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Evaporator 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution switching valve 10
Heating refrigerant vapour switching valve 11
Solution pump discharge pipe 12
Absorber cylinder body bottom 13
Evaporator liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Heat source water generator 17
Flue gas heat-exchange unit 18
Heating absorber 20
Heating heat exchanger 21
Heating cryogenic fluid pump 22
Heating weak solution switching valve 23
Cryogenic coolant water supplements pipeline 24
Heating hot water switching valve 25
Water circulating pump 26
Heating evaporator 27
Heating evaporator liquid capsule 28
Smoke solution heat exchanger 29
Into smoke solution heat exchanger weak solution pipeline 30
Smoke solution heat exchanger weak solution pipeline 31 out.
Specific embodiment
A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units of the utility model are in such as Fig. 2 mono-
On the basis of kind of heating high effective flue gas hot water type lithium bromide absorption cooling, Hot water units, be additionally arranged smoke solution heat exchanger 29 and into
Smoke solution heat exchanger weak solution pipeline 30 goes out smoke solution heat exchanger weak solution pipeline 31, the smoke solution heat exchanger added
29 are arranged on 18 smoke exhaust pipe of flue gas heat-exchange unit, and the flue gas come out from flue gas high pressure generator 1 is introduced into flue gas heat-exchange unit 18,
It is discharged after entering back into smoke solution heat exchanger 29.And into the smoke solution heat exchanger weak solution pipeline 30 and out flue gas newly increased
Solution heat exchanger weak solution pipeline 31 is able to achieve purpose there are three types of connection type:
The first (such as Fig. 3), newly increase into smoke solution heat exchanger weak solution pipeline 30 setting solution pump 6 outlet with
Between smoke solution heat exchanger 29, smoke solution heat exchanger weak solution pipeline 31 is arranged in smoke solution heat exchanger 29 and flue gas out
Between high pressure generator 1, part weak solution is separated from the outlet of solution pump 6 and enters smoke solution heat exchanger 29, part weak solution goes out
Enter flue gas high pressure generator 1 after coming；
Second (such as Fig. 4), what is newly increased hands over into the setting of smoke solution heat exchanger weak solution pipeline 30 in cryogenic fluid heat
Between the outlet of parallel operation 3 and smoke solution heat exchanger 29, the setting of smoke solution heat exchanger weak solution pipeline 31 out is changed in smoke solution
Between hot device 29 and flue gas high pressure generator 1, part weak solution is separated from the outlet of cryogenic fluid heat exchanger 3 and enters smoke solution
Heat exchanger 29, part weak solution enter flue gas high pressure generator 1 after coming out；
The third (such as Fig. 5), what is newly increased hands over into the setting of smoke solution heat exchanger weak solution pipeline 30 in cryogenic fluid heat
Between the outlet of parallel operation 3 and smoke solution heat exchanger 29, the setting of smoke solution heat exchanger weak solution pipeline 31 out is changed in smoke solution
Between 2 import of hot device 29 and high-temperature solution heat exchanger, the weak solution come out from cryogenic fluid heat exchanger 3 fully enters flue gas
Solution heat exchanger 29, out after fully enter high-temperature solution heat exchanger 2, enter back into flue gas high pressure generator 1.
In cooling condition operation, by heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, heating weak solution
Switching valve 23, heating hot water switching valve 25 are all closed, and heating cryogenic fluid pump 22 and water circulating pump 26 stop, heating evaporator 27,
Heating absorber 20 and heating heat exchanger 21 stop circulation, and previous refrigeration cycle process still operates normally, from flue gas high pressure
It is constant that the flue gas that generator 1 comes out first passes through 18 flue-gas temperature of flue gas heat-exchange unit, enters back into smoke solution heat exchanger 29 and is lower than
The weak solution of flue-gas temperature exchanges heat, and flue gas release thermal temperature is reduced to 100 DEG C or so discharges.With exhaust gas temperature at 170 DEG C
Fume hot-water type unit is compared, and the waste heat of 70 DEG C of temperature difference of flue gas has been recycled more, and refrigeration performance greatly improves.
In the operation of heating operating condition, cryogenic fluid pump 7 and external system cooling water pump stop, and heating concentrated solution switching valve 10 and adopt
Warm refrigerant vapour switching valve 11 is opened, and solution pump 6 starts, and heating weak solution switching valve 23 and heating hot water switching valve 25 are opened,
Heating cryogenic fluid pump 22 and water circulating pump 26 start, and previous heating circulation process still operates normally, goes out from flue gas high pressure generator 1
The flue gas come is introduced into the low-temperature circulating water far below flue gas saturation temperature that flue gas heat-exchange unit 18 and own system generate and exchanges heat,
The latent heat of sensible heat and part water vapour in recovered flue gas enters back into after generating effect on moisture extraction while recovered flue gas heat
Smoke solution heat exchanger 29 exchanges heat with the weak solution for being higher than flue-gas temperature, and room temperature flue-gas temperature is discharged after increasing, and is discharged at this time
Flue gas relative humidity reduces and temperature is higher than the dew-point temperature of flue gas, and unit thoroughly eliminates chimney while improving heating performance
White cigarette phenomenon is emitted, protects environment while reducing thermal pollution, is precipitated since flue gas does not have lime set in chimney, the material of chimney
Conventional material can be used without particular/special requirement in matter.
The low-temperature circulating water far below flue gas saturation temperature that own system generates in the operation of heating operating condition is from adopting
It is that low-temperature circulating water is squeezed into flue gas heat-exchange unit 18, low-temperature circulating water recycling by water circulating pump 26 in warm 27 heat exchanger tube of evaporator
Enter in 27 heat exchanger tube of heating evaporator after fume afterheat heating, heating cryogenic fluid pump 22 is by low temperature cold in heating evaporator liquid capsule 28
Agent water is extracted out and is sprayed in 27 heat exchange pipe external surface of heating evaporator, and the absorption of cryogenic coolant water flows through recirculated water heat in heat-transfer pipe
It is vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces.Cryogenic coolant steam is sprayed in heating absorber
Solution outside 20 heat exchanger tubes absorbs, and solution absorbs the part that the heat that cryogenic coolant steam is released is come by heating user in heat exchanger tube
Low-temperature water heating is taken away, and the solution continuous absorption refrigerant vapour in heating absorber 20 makes cavity internal pressure be maintained at certain value, vapour
Change absorption process constantly to carry out, just produces low-temperature circulating water.The 27 water as refrigerant moisturizing of heating evaporator is evaporated by evaporator 5 and heating
Pressure difference between 27 cavity of device enters heating evaporator liquid capsule 28 through cryogenic coolant water supplement pipeline 24 from evaporator liquid capsule 14, no
Disconnected gives 27 moisturizing of heating evaporator.It is lower dilute to become concentration after weak solution absorption cryogenic coolant steam in heating absorber 20
Solution enters weak solution in absorber cylinder body bottom 13 and absorber 4 through the heating of heating heat exchanger 21 by height level pressure difference
Mixing, then by solution pump 6 weak solution is sent to heating absorber 20 respectively and sprays, be sent to the concentration of flue gas high pressure generator 1, be sent to
Heat exchange in the smoke solution heat exchanger 29 newly established.
Above scheme is suitable for evaporator 5, absorber 4 can be single hop (as shown in the figure), be also possible to two sections or multistage,
Cooling water can be parallel-connection flow (as shown in the figure) and be also possible to serial flow.
Claims (6)
1. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units, including flue gas high pressure generator (1), heat
Source water generator (17), low pressure generator (9), condenser (8), evaporator (5), absorber (4), cryogenic fluid heat exchanger
(3), high-temperature solution heat exchanger (2), solution pump (6), cryogenic fluid pump (7), flue gas heat-exchange unit (18), heating evaporator (27), adopt
Warm absorber (20), heating heat exchanger (21), heating cryogenic fluid pump (22) and water circulating pump (26), it is characterised in that: described to adopt
It is provided with return line between warm evaporator (27) and heating evaporator liquid capsule (28), the heating evaporator (27) is changed with flue gas
Sealing and circulating pipeline is provided between hot device (18), the heat source water generator (17) is internally provided with one group of back-bending type pipeline,
Heat source water goes out after the entrance of left side wall lower end pipeline from left side wall upper end pipeline, and the unit is arranged in flue gas high pressure generator (1)
Flue gas heat-exchange unit (18) are first set on smoke pipe, then smoke solution heat exchanger (29) is set and into smoke solution heat exchanger weak solution pipe
Road (30) goes out smoke solution heat exchanger weak solution pipeline (31)；The flue gas come out from flue gas high pressure generator (1), is introduced into cigarette
Gas heat exchanger (18) enters back into smoke solution heat exchanger (29) and discharges afterwards.
2. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold according to claim 1, Hot water units, feature
It is: described to be exported and smoke solution heat exchanger into smoke solution heat exchanger weak solution pipeline (30) setting in solution pump (6)
(29) between, smoke solution heat exchanger weak solution pipeline (31) setting occurs in smoke solution heat exchanger (29) and flue gas high pressure out
Between device (1), part weak solution is separated from solution pump (6) outlet and enters smoke solution heat exchanger (29) heating or cooling, out
Enter flue gas high pressure generator (1) afterwards to be concentrated.
3. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold according to claim 1, Hot water units, feature
It is: described molten with flue gas in cryogenic fluid heat exchanger (3) outlet into smoke solution heat exchanger weak solution pipeline (30) setting
Between liquid heat exchanger (29), smoke solution heat exchanger weak solution pipeline (31) is arranged in smoke solution heat exchanger (29) and flue gas out
Between high pressure generator (1), part weak solution is separated from cryogenic fluid heat exchanger (3) outlet and enters smoke solution heat exchanger
(29) heat up or cool down, out after enter flue gas high pressure generator (1) be concentrated.
4. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold according to claim 1, Hot water units, feature
It is: described molten with flue gas in cryogenic fluid heat exchanger (3) outlet into smoke solution heat exchanger weak solution pipeline (30) setting
Between liquid heat exchanger (29), smoke solution heat exchanger weak solution pipeline (31) is arranged in smoke solution heat exchanger (29) and high temperature out
Between solution heat exchanger (2) import, the weak solution come out from cryogenic fluid heat exchanger (3) fully enters smoke solution heat exchange
Device (29) heating or cooling, out after fully enter high-temperature solution heat exchanger (2) heating, enter back into flue gas high pressure generator
(1) it is concentrated.
5. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units described in one of -4 according to claim 1,
It is characterized by: the evaporator (5) and absorber (4) of the unit are single hop, two sections or multistage.
6. a kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units described in one of -4 according to claim 1,
It is characterized by: the cooling water of the unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490393.2U CN208504788U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490393.2U CN208504788U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units |
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| Publication Number | Publication Date |
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| CN208504788U true CN208504788U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820490393.2U Active CN208504788U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518885A (en) * | 2018-04-09 | 2018-09-11 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units |
-
2018
- 2018-04-09 CN CN201820490393.2U patent/CN208504788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518885A (en) * | 2018-04-09 | 2018-09-11 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency fume hot-water type lithium bromide absorption cold, Hot water units |
| CN108518885B (en) * | 2018-04-09 | 2024-03-08 | 双良节能系统股份有限公司 | Environment-friendly efficient smoke hot water type lithium bromide absorption type cold and hot water unit |
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