CN105423595A - Heating efficient energy-saving direct combustion type lithium bromide absorbing type cold and hot water unit - Google Patents
Heating efficient energy-saving direct combustion type lithium bromide absorbing type cold and hot water unit Download PDFInfo
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- CN105423595A CN105423595A CN201510985482.5A CN201510985482A CN105423595A CN 105423595 A CN105423595 A CN 105423595A CN 201510985482 A CN201510985482 A CN 201510985482A CN 105423595 A CN105423595 A CN 105423595A
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- heating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/006—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the sorption type system
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
Abstract
The invention relates to a heating efficient energy-saving direct combustion type lithium bromide absorbing type cold and hot water unit, which is characterized in that the unit is additionally provided with a gas-gas heater (17), a heating evaporator (26), a heating absorber (19), a heating solution heat exchanger (20), a heating refrigerant pump (21) and a circulating water pump (25), wherein the heating evaporator (26) and the heating absorber (19) are arranged in a same chamber; a path of hot water pipeline is additionally arranged on a cold and hot water inlet pipe (15) of the unit, the hot water enters a heat exchange pipe of the heating absorber (19); a path of dilute solution pipeline is additionally arranged on a solution pump outlet pipe (12) of the unit, the dilute solution is cooled by the heating solution heat exchanger (20) and then enters the heating absorber (19) to be sprayed; and a path of low-temperature refrigerant water supplementing pipeline (23) is additionally arranged on an evaporator sac (14) of the unit, and the refrigerant water enters a heating evaporator sac (27) to be used as supplementing water of the low-temperature refrigerant water. The unit disclosed by the invention can effectively lower smoke discharge temperature and improve heating efficiency and is simple to operate.
Description
Technical field
The present invention relates to a kind of direct-burning type lithium bromide absorption type hot water or cold water unit.Belong to air conditioner technical field.
Background technology
Current direct-burning type lithium bromide absorption type hot water or cold water unit as shown in Figure 1, is made up of the pipeline of direct combustion high pressure generator 1, low pressure generator 9, condenser 8, evaporimeter 5, absorber 4, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution transfer valve 10, heating refrigerant vapour transfer valve 11, solution pump 6, cryogenic fluid pump 7, valve and control system (not shown) and connecting components.Unit is when heating operating mode is run, heating concentrated solution transfer valve 10 and heating refrigerant vapour transfer valve 11 are opened, cryogenic fluid pump 7 and external system cooling water pump stop, the low-temperature water heating come from air conditioner user enters in evaporimeter 5 heat exchanger tube, heated by the heat of condensation of the water as refrigerant steam of heat exchange pipe external surface direct combustion high pressure generator 1 heat dilute solution generation, temperature is sent to heating user after raising, concentrated solution after direct combustion high pressure generator 1 is concentrated enters in absorber 4 to mix with the water as refrigerant after condensation and becomes weak solution, be sent to direct combustion high pressure generator 1 by solution pump 6 again circulate and heat.Because the heating hot water leaving water temperature produced limits, solution temperature is higher, causes exhaust gas temperature also higher, affect the heating thermal efficiency, if heating hot water outlet temperature is 60 DEG C time, direct combustion high pressure generator exhaust gas temperature is at about 155 DEG C, and heating efficiency is about 93%.Particularly in the winter of cold, outdoor temperature is low, and chimney just emits white cigarette, both wastes energy, again contaminated environment.A kind of effective reduction exhaust gas temperature, raising heating efficiency, novel direct combustion type lithium bromide absorption cold simple to operate, Hot water units how is found to become one of important topic of research at present.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of effective reduction exhaust gas temperature is provided, improves heating efficiency, direct-burning type lithium bromide absorption type hot water or cold water unit simple to operate.
The object of the present invention is achieved like this: the energy-efficient direct-burning type lithium bromide absorption type of a kind of heating is cold, Hot water units, comprise direct combustion high pressure generator, low pressure generator, condenser, evaporimeter, absorber, cryogenic fluid heat exchanger and high-temperature solution heat exchanger, it is characterized in that: described unit adds flue gas heat-exchange unit, heating evaporimeter, heating absorber, heating solution heat exchanger, heating cryogenic fluid pump and water circulating pump, flue gas heat-exchange unit is arranged on direct combustion high pressure generator smoke exhaust pipe, heating evaporimeter and heating absorber are arranged in same cavity, and be placed on higher than evaporimeter and absorber components position, cold at unit, hot water inlet pipe sets up a road hot water line, this road hot water enters in heating absorber heat exchanging pipe, and heating hot water transfer valve is set on this hot water line, the water that this Lu Shuiyu enters evaporimeter is in parallel, go out the cold of heating absorber hot water access unit, hot water outlet, the solution pump outlet of unit is set up a road weak solution pipeline, and this road weak solution enters heating absorber spray through the cooling of heating solution heat exchanger, and arranges heating weak solution transfer valve on this weak solution pipeline, in heating absorber, weak solution becomes the lower weak solution of concentration after absorbing cryogenic coolant steam, enters absorber cylinder body bottom by height level difference through the intensification of heating solution heat exchanger, the evaporimeter liquid capsule of unit is set up a road cryogenic coolant water and supplements pipeline, this road cryogenic coolant water enters heating evaporimeter liquid capsule as the moisturizing of cryogenic coolant water, heating cryogenic fluid pump extracts cryogenic coolant water in heating evaporimeter liquid capsule out spray to heating evaporator heat exchange tube-surface, absorption flows through heat-transfer pipe Inner eycle hydro-thermal amount, be vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces, by water circulating pump, recirculated water is squeezed into flue gas heat-exchange unit and direct combustion high pressure generator flue gas heat exchange out, circulating water temperature raises to enter in heating heat exchange pipe of evaporator and continues heating cryogenic coolant water, discharge after flue gas heat recovered temperature reduces.
The invention has the beneficial effects as follows:
The present invention is by above-mentioned flow process, and create a low-temperature receiver lower than smog discharge temperature, not only reclaimed the sensible heat of flue gas, also reclaimed the latent heat of water vapour in flue gas, make exhaust gas temperature be down to normal temperature, heating efficiency significantly improves.Such as: produce heating hot water outlet temperature about 60 DEG C time, heating evaporimeter and heating absorber cavity internal pressure are at about 25mmHg, enter the circulating water temperature of flue gas heat-exchange unit at about 27 DEG C, the exhaust gas temperature of unit is reduced to less than 35 DEG C, compared with direct fired machine exhaust gas temperature 155 DEG C in the past, the heat of condensation of water vapour in the sensible heat of many recovered flue gas 120 DEG C of temperature difference and flue gas, fire natural gas direct combustion type unit energy utilization rate than ever and improve about 13%, heating efficiency reaches about 106%.In the constant situation of unit heating capacity, fuel consumption significantly reduces, and reduces operating cost, reaches energy-efficient object, has stopped the phenomenon that winter heating chimney emits white cigarette simultaneously, decreases the thermal pollution of smoke evacuation to environment, protects environment.Unit operation of the present invention is simple.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of direct-burning type lithium bromide absorption type hot water or cold water unit heat supply in the past.
Fig. 2 heating of the present invention energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit heat supply schematic flow sheet.
Reference numeral:
Direct combustion high pressure generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Evaporimeter 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution transfer valve 10
Heating refrigerant vapour transfer valve 11
Solution pump outlet 12
Absorber cylinder body bottom 13
Evaporimeter liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Flue gas heat-exchange unit 17
Heating absorber 19
Heating heat exchanger 20
Heating cryogenic fluid pump 21
Heating weak solution transfer valve 22
Cryogenic coolant water supplements pipeline 23
Heating hot water transfer valve 24
Water circulating pump 25
Heating evaporimeter 26
Heating evaporimeter liquid capsule 27.
Detailed description of the invention
As shown in Figure 2, at direct-burning type lithium bromide absorption type hot water or cold water unit in the past as on the basis of Fig. 1, flue gas heat-exchange unit 17, heating evaporimeter 26, heating absorber 19, heating solution heat exchanger 20, heating cryogenic fluid pump 21 and water circulating pump 25 are set up, flue gas heat-exchange unit 17 is arranged on direct combustion high pressure generator 1 smoke exhaust pipe, heating evaporimeter 26 and heating absorber 19 are arranged in same cavity, and are placed on higher than evaporimeter 5 and absorber 4 component locations.Hot water or cold water's inlet tube 15 of unit is set up a road hot water line, this road hot water enters in heating absorber 19 heat exchanger tube, and heating hot water transfer valve 24 is set on this hot water line, the water that this Lu Shuiyu enters evaporimeter 5 is in parallel, goes out hot water or cold water's outlet of heating absorber 19 hot water access unit.The solution pump outlet 12 of unit is set up a road weak solution pipeline, this road weak solution enters heating absorber 19 through heating solution heat exchanger 20 cooling and sprays, and heating weak solution transfer valve 22 is set on this weak solution pipeline, this road weak solution is in parallel with the weak solution entering direct combustion high pressure generator 1.In heating absorber 19, weak solution becomes the lower weak solution of concentration after absorbing cryogenic coolant steam, absorber cylinder body bottom 13 is entered through heating solution heat exchanger 20 intensification by height level difference, the evaporimeter liquid capsule 14 of unit is set up a road cryogenic coolant water and supplements pipeline 23, this road water as refrigerant enters heating evaporimeter liquid capsule 27 as the moisturizing of cryogenic coolant water.Heating cryogenic fluid pump 21 extracts cryogenic coolant water in heating evaporimeter liquid capsule 27 out spray to heating evaporimeter 26 heat exchanger tube surface vaporization; Recirculated water is squeezed into flue gas heat-exchange unit 17 and direct combustion high pressure generator 1 flue gas heat exchange out by water circulating pump 25, enters heat release in heating evaporimeter 26 heat exchanger tube after intensification.
When heating operating mode is run, heating circulation process still normally ran in the past, cryogenic fluid pump 7 and external system cooling water pump stop, heating concentrated solution transfer valve 10 and heating refrigerant vapour transfer valve 11 are opened, solution pump 6 starts, and the heating weak solution transfer valve 22 newly established and heating hot water transfer valve 24 are opened, heating cryogenic fluid pump 21 and water circulating pump 25 start.Be divided into two tunnels from solution pump outlet weak solution, a road weak solution enters direct combustion high pressure generator 1 and concentrates, and another road weak solution enters heating absorber 19 through heating solution heat exchanger 20 cooling and sprays; the low-temperature water heating come from heating user is divided into two tunnels, one road low-temperature water heating enters in evaporimeter 5 heat exchanger tube, heated by the heat of condensation of the high temperature refrigerant vapour of heat exchange pipe external surface direct combustion high pressure generator 1 heat dilute solution generation, another road low-temperature water heating enters in heating absorber 19 heat exchanger tube, heated from heating evaporimeter 26 cryogenic coolant steam liberated heat in the absorption of heat exchange pipe external surface weak solution by spray, two-way hot water temperature raises to merge together and is sent to heating user, the water as refrigerant that concentrated solution after direct combustion high pressure generator 1 is concentrated is overflowed after entering and condensing with evaporimeter 5 in absorber 4 mixes and becomes weak solution, in heating absorber 19, weak solution becomes the lower weak solution of concentration after absorbing cryogenic coolant steam, enter absorber cylinder body bottom 13 by height level pressure reduction through heating solution heat exchanger 20 intensification to mix with weak solution in absorber 4, solution pump 6 will wherein a road weak solution be sent to direct combustion high pressure generator 1 and again circulates and heat concentrated, another road weak solution is sent to and enters heating absorber 19 after heating solution heat exchanger 20 is lowered the temperature and again circulate and absorb cryogenic coolant steam.Cryogenic coolant water in heating evaporimeter liquid capsule 27 is extracted out and is sprayed on heating evaporimeter 26 heat exchanger tube surface by heating cryogenic fluid pump 21, absorption flows through heat-transfer pipe Inner eycle hydro-thermal amount and is vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces, by water circulating pump 25, recirculated water is squeezed into flue gas heat-exchange unit 17 and direct combustion high pressure generator 1 flue gas heat exchange out, circulating water temperature raises and enters heating evaporimeter 26 continuation heating cryogenic coolant water, discharge after flue gas heat recovered temperature reduces.Solution continuous absorption cryogenic coolant steam in heating absorber 19 makes cavity internal pressure remain on certain value, and vaporization absorption process is just constantly carried out.The moisturizing of heating evaporimeter 26 water as refrigerant supplements pipeline 23 from evaporimeter liquid capsule 14 through cryogenic coolant water by the pressure differential between evaporimeter 5 and heating evaporimeter 26 cavity and enters heating evaporimeter liquid capsule 27, constantly gives heating evaporimeter 26 moisturizing.
When cooling condition runs, by heating concentrated solution transfer valve 10, heating refrigerant vapour transfer valve 11, heating weak solution transfer valve 22, heating hot water transfer valve 24 Close All, heating cryogenic fluid pump 21 and water circulating pump 25 stop, flue gas heat-exchange unit 17, heating evaporimeter 26, heating absorber 19 and heating solution heat exchanger 20 stop circulation, and unit is still by kind of refrigeration cycle process flow operation in the past.
In above scheme, heating evaporimeter 26 and heating absorber 19 housing can independently be arranged, also heating evaporimeter 26 and heating absorber 19 can be arranged in low pressure generator 9 and condenser 8 housing, separate with dividing plate between them, heating evaporimeter 26 and heating absorber 19 are in same cavity, and low pressure generator 9 and condenser 8 are in same cavity.
Above scheme is applicable to evaporimeter 5, absorber 4 can be single hop (shown in figure), also can be two sections or multistage, cooling water can be parallel-connection flow (shown in figure) also can be serial flow.
Claims (4)
1. the energy-efficient direct-burning type lithium bromide absorption type of heating is cold, Hot water units, comprise direct combustion high pressure generator (1), low pressure generator (9), condenser (8), evaporimeter (5), absorber (4), cryogenic fluid heat exchanger (3) and high-temperature solution heat exchanger (2), it is characterized in that: described unit adds flue gas heat-exchange unit (17), heating evaporimeter (26), heating absorber (19), heating solution heat exchanger (20), heating cryogenic fluid pump (21) and water circulating pump (25), flue gas heat-exchange unit (17) is arranged on direct combustion high pressure generator (1) smoke exhaust pipe, heating evaporimeter (26) and heating absorber (19) are arranged in same cavity, and be placed on higher than evaporimeter (5) and absorber (4) component locations, a road hot water line set up by hot water or cold water's inlet tube (15) of unit, this road hot water enters in heating absorber (19) heat exchanger tube, and heating hot water transfer valve (24) is set on this hot water line, go out hot water or cold water's outlet of heating absorber (19) hot water access unit, the solution pump outlet (12) of unit is set up a road weak solution pipeline, this road weak solution enters heating absorber (19) spray through heating solution heat exchanger (20) cooling, and heating weak solution transfer valve (22) is set on this weak solution pipeline, heating absorber (19) interior weak solution becomes the lower weak solution of concentration after absorbing cryogenic coolant steam, enters absorber cylinder body bottom (13) by height level difference through heating solution heat exchanger (20) intensification, the evaporimeter liquid capsule (14) of unit is set up a road cryogenic coolant water and supplements pipeline (23), this road water as refrigerant enters heating evaporimeter liquid capsule (27) as the moisturizing of cryogenic coolant water, heating cryogenic fluid pump (21) extracts interior for heating evaporimeter liquid capsule (27) cryogenic coolant water out spray to heating evaporimeter (26) heat exchanger tube surface vaporization, recirculated water is squeezed into after flue gas heat-exchange unit (17) heats up and is entered heat release in heating evaporimeter (26) heat exchanger tube by water circulating pump (25).
2. a kind of heating according to claim 1 energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit, it is characterized in that: described unit heating evaporimeter (26) and heating absorber (19) housing are independently arranged, or heating evaporimeter (26) and heating absorber (19) are arranged in low pressure generator (9) and condenser (8) housing, separate with dividing plate between them, heating evaporimeter (26) and heating absorber (19) are arranged in same cavity, and low pressure generator (9) and condenser (8) are arranged in same cavity.
3. a kind of heating according to claim 1 and 2 energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit, is characterized in that: the evaporimeter (5) of described unit and absorber (4) are single hop, two sections or multistage.
4. a kind of heating according to claim 1 and 2 energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit, is characterized in that: the cooling water of described unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985482.5A CN105423595B (en) | 2015-12-25 | 2015-12-25 | A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit of heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985482.5A CN105423595B (en) | 2015-12-25 | 2015-12-25 | A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit of heating |
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| CN105423595A true CN105423595A (en) | 2016-03-23 |
| CN105423595B CN105423595B (en) | 2017-09-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019980A (en) * | 2017-03-07 | 2018-05-11 | 林振娴 | A kind of computational methods of definite direct combustion type lithium bromide refrigerator thermodynamic property |
| CN108362035A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | Eliminating white smoke efficient direct-burning lithium bromide absorption cold, Hot water units system |
| CN108397931A (en) * | 2018-04-09 | 2018-08-14 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency energy-saving direct-burning type lithium bromide absorption type hot water or cold water's unit |
| CN108489142A (en) * | 2018-04-09 | 2018-09-04 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency direct-burning type lithium bromide absorption type hot water or cold water's machine set system |
| 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 |
| CN110307662A (en) * | 2019-07-08 | 2019-10-08 | 双良节能系统股份有限公司 | The lithium bromide absorption-type machine unit of direct combustion type heat pump and hot-water type refrigeration |
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| CN1083916A (en) * | 1992-09-05 | 1994-03-16 | 三洋电机株式会社 | Single, double effect absorption refrigerator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019980A (en) * | 2017-03-07 | 2018-05-11 | 林振娴 | A kind of computational methods of definite direct combustion type lithium bromide refrigerator thermodynamic property |
| CN108362035A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | Eliminating white smoke efficient direct-burning lithium bromide absorption cold, Hot water units system |
| CN108397931A (en) * | 2018-04-09 | 2018-08-14 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency energy-saving direct-burning type lithium bromide absorption type hot water or cold water's unit |
| CN108489142A (en) * | 2018-04-09 | 2018-09-04 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency direct-burning type lithium bromide absorption type hot water or cold water's machine set system |
| 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 |
| CN108397931B (en) * | 2018-04-09 | 2023-12-15 | 双良节能系统股份有限公司 | Environment-friendly, efficient and energy-saving direct-fired lithium bromide absorption type cold and hot water unit |
| CN108362035B (en) * | 2018-04-09 | 2024-01-05 | 双良节能系统股份有限公司 | White smoke-eliminating efficient direct-fired lithium bromide absorption type cold and hot water unit system |
| 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 |
| CN108489142B (en) * | 2018-04-09 | 2024-03-22 | 双良节能系统股份有限公司 | Environment-friendly efficient direct-fired lithium bromide absorption type cold and hot water unit system |
| CN110307662A (en) * | 2019-07-08 | 2019-10-08 | 双良节能系统股份有限公司 | The lithium bromide absorption-type machine unit of direct combustion type heat pump and hot-water type refrigeration |
| CN110307662B (en) * | 2019-07-08 | 2023-12-22 | 双良节能系统股份有限公司 | Lithium bromide absorption unit for direct-fired heat pump and hot water type refrigeration |
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| CN105423595B (en) | 2017-09-08 |
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