CN110145893B - Direct-fired lithium bromide cold and hot water unit driven by biomass energy - Google Patents
Direct-fired lithium bromide cold and hot water unit driven by biomass energy Download PDFInfo
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- CN110145893B CN110145893B CN201910434274.4A CN201910434274A CN110145893B CN 110145893 B CN110145893 B CN 110145893B CN 201910434274 A CN201910434274 A CN 201910434274A CN 110145893 B CN110145893 B CN 110145893B
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
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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
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- 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 invention discloses a direct-fired lithium bromide hot and cold water unit driven by biomass energy, which comprises a heat energy production device, a refrigerating circuit and a heating circuit, wherein the heat energy production device comprises a biomass energy fermentation tank, a gas cleaning device and a gas storage tank; the high-pressure generator comprises a shell, wherein a concentrated solution outlet and a diluent inlet are arranged at the bottom of the shell at intervals; the shell is internally provided with a combustion device, the combustion device comprises a combustion chamber, heating surface tube bundles are arranged in the combustion chamber at intervals, an air source air inlet at one side of the combustion chamber is communicated with an air source outlet of an air storage tank through an air inlet pipe, an air inlet communicated with the combustion chamber is arranged at the same side as the air source air inlet, and a smoke exhaust pipe at the other side of the combustion chamber is communicated with a biomass energy fermentation tank. The direct-fired lithium bromide cold and hot water unit driven by biomass energy is in accordance with the national energy saving and emission reduction policy, is environment-friendly, is particularly suitable for rural areas lacking in electric power and natural gas, and improves the living standard of the rural areas.
Description
Technical Field
The invention relates to a direct-fired lithium bromide cold-hot water unit, in particular to a direct-fired lithium bromide cold-hot water unit driven by biomass energy.
Background
Biomass energy refers to various organisms generated by photosynthesis using the atmosphere, water, land, etc., that is, all living organic substances that can grow are known as biomass, such as organic garbage, crop straw, human and animal feces, etc.
At present, the direct-fired lithium bromide cold and hot water unit takes heat energy as a power source, water as a refrigerant and lithium bromide solution as an absorbent, so that cold water or hot water is prepared, and the direct-fired lithium bromide cold and hot water unit is a cold and hot water unit which is widely applied in recent years. The heat energy of the existing direct-fired lithium bromide cold and hot water unit, such as fuel oil, fire coal, natural gas and the like, is non-renewable energy, wastes energy and causes greenhouse effect; meanwhile, harmful gas exists after the fuel oil and the fuel coal are combusted, and the problem of environmental pollution exists; the direct-fired lithium bromide high-voltage generator is of an external heating type structure, so that heat energy cannot be effectively utilized, and energy is wasted. Therefore, how to design a direct-fired lithium bromide cold and hot water refrigerating unit driven by biomass energy as a heat source is a great problem to be solved in the technical field.
Disclosure of Invention
The invention aims to provide a direct-fired lithium bromide cold and hot water unit driven by biomass energy.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The invention discloses a direct-fired lithium bromide hot and cold water unit driven by biomass energy, which comprises a heat energy production device, a refrigerating loop and a heating loop, wherein the refrigerating loop consists of a high-pressure generator, a low-pressure generator, a condenser, an evaporator, an absorber, a high-temperature solution heat exchanger and a low-temperature solution heat exchanger; the high-pressure generator comprises a shell for containing lithium bromide solution, wherein a refrigerant steam outlet is arranged at the top of the shell, and a concentrated solution outlet and a diluent inlet are arranged at the bottom of the shell at intervals; the biomass energy fermentation tank is characterized in that a combustion device is arranged in the shell and comprises a combustion chamber, a plurality of heating surface tube bundles are arranged in the combustion chamber at intervals, an air source inlet at one side of the combustion chamber is communicated with an air source outlet of the air storage tank through an air inlet pipe, an air inlet communicated with the combustion chamber is arranged at the same side of the air source inlet, and a smoke exhaust pipe at the other side of the combustion chamber is communicated with the biomass energy fermentation tank.
The biomass energy fermentation vat includes the fermentation cylinder that the skin cladding has the heat preservation be provided with the multiunit on the fermentation cylinder outer wall with the heating pipeline of exhaust pipe intercommunication is provided with temperature sensor on the fermentation cylinder outer wall.
The refrigeration loop also comprises an external circulation cooling loop formed by sequentially connecting a cooling tower, an absorber and a condenser in series, wherein a first stop valve and a delivery pump are connected in series at intervals on the external circulation cooling loop between the absorber and the cooling tower, and a second stop valve is connected in series on the external circulation cooling loop between the cooling tower and the condenser.
The refrigerating circuit between the high-pressure generator and the low-pressure generator is connected with a second stop valve in series, and the refrigerating circuit between the condenser and the evaporator is connected with an expansion valve in series; and a third stop valve is connected in series on the heating loop between the high-pressure generator and the evaporator.
The invention has the advantages that the biomass energy is used as a power source to drive the direct-fired lithium bromide cold and hot water unit, accords with the national energy saving and emission reduction policy, is green and environment-friendly, is particularly suitable for rural areas lacking in electric power and natural gas, and improves the living standard of the rural areas. The combustion device is integrated in the high-pressure generator, so that space is saved, lithium bromide solution can be directly heated, and the heat source utilization efficiency is improved; the waste heat of discharged smoke after methane combustion enters a heating pipeline on the fermentation tank through the smoke discharging pipe, and the biomass energy is heated and kept warm, so that a fermentation product (namely the biomass energy) in the fermentation tank is always in a high-efficiency gas production state, normal operation of the direct-fired lithium bromide cold and hot water unit is ensured, and the utilization efficiency of heat energy is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the high voltage generator according to the present invention.
FIG. 3 is a schematic diagram of the biomass energy raw material pool according to the invention.
Detailed Description
As shown in fig. 1, the direct-fired lithium bromide hot and cold water unit driven by biomass energy according to the invention comprises a heat energy production device, a refrigerating circuit formed by a high-pressure generator 1, a low-pressure generator 2, a condenser 3, an evaporator 4, an absorber 5, a high-temperature solution heat exchanger 6 and a low-temperature solution heat exchanger 7, and a heating circuit formed by the high-pressure generator 1, the evaporator 4, the absorber 5 and the high-temperature solution heat exchanger 6, wherein an expansion valve 16 is connected in series on the refrigerating circuit between the condenser 3 and the evaporator 4, and a third stop valve 17 is connected in series on the heating circuit between the high-pressure generator 1 and the evaporator 4; the heat energy production device comprises a biomass energy fermentation tank 8, a gas cleaning device 9 and a gas storage tank 10 which are sequentially connected in series;
As shown in fig. 2, the high-pressure generator 1 comprises a housing 101, wherein a refrigerant vapor outlet 102 is arranged at the top of the housing 101, and a concentrated solution outlet 103 and a diluent inlet 104 are arranged at the bottom of the housing at intervals; a combustion device is arranged in the shell 101, the combustion device comprises a combustion chamber 105, a plurality of heating surface tube bundles 106 are arranged in the combustion chamber 105 at intervals, an air source air inlet 107 on one side of the combustion chamber 105 is communicated with an air source outlet of the air storage tank 10 through an air inlet pipe 11, an air inlet 108 communicated with the combustion chamber 105 is arranged on the same side as the air source air inlet 107, and a smoke exhaust pipe 109 on the other side of the combustion chamber 105 is communicated with the biomass energy fermentation tank 8; the air and biomass energy are mixed and combusted in the combustion chamber 105 according to the combustion ratio to generate heat to heat the heating surface tube bundle 106, the heating surface tube bundle 106 heats the lithium bromide concentrated solution A in the shell 101 to evaporate to generate high-temperature refrigerant steam, the concentrated lithium bromide solution A enters the absorber 5 through the outlet 103 after being concentrated, and the concentrated lithium bromide solution A is diluted after being sprayed in the absorber 5 to absorb water and enters the high-pressure generator 1 through the diluent inlet 104;
As shown in fig. 3, the biomass energy fermentation tank 8 includes a fermentation tank 802 with an insulating layer 801 coated on an outer layer, a plurality of groups of heating pipelines 803 communicated with the smoke exhaust pipe 109 are arranged on an outer wall of the fermentation tank 802 at intervals, a temperature sensor is arranged on an outer wall of the fermentation tank 802, exhaust smoke waste heat from a combustion device enters the heating pipelines 803 to heat a fermentation product in the fermentation tank 802, the temperature of the fermentation tank 802 is detected by the temperature sensor, the temperature in the fermentation tank 802 is controlled between 25 ℃ and 45 ℃, and normal operation of the direct-fired lithium bromide water chiller-heater is ensured. The waste heat of discharging fume can heat the fermentation tank 802, so that the heat preservation effect is achieved, the secondary utilization of a heat source is realized, and the utilization rate of biomass energy is improved.
As shown in fig. 1, the refrigeration circuit further comprises an external circulation cooling circuit formed by sequentially connecting a cooling tower 12, an absorber 5 and a condenser 3 in series, and a first stop valve 13 and a delivery pump 14 are connected in series at intervals on the external circulation cooling circuit between the absorber 5 and the cooling tower 12; a second stop valve 15 is connected in series with the refrigeration circuit between the high pressure generator 1 and the low pressure generator 2.
The working process of the invention is as follows:
in summer, the heating circuit is in an open circuit state, the refrigerating circuit is in a passage state, methane in the fermentation tank 802 enters the gas storage tank 10 after being cleaned by the gas cleaning device 9, then enters the combustion device in the high-pressure generator 1 through the gas inlet pipe 11, and the biomass energy and heat generated by the combustion of air in the combustion chamber 105 heat the lithium bromide concentrated solution A to generate high-temperature refrigerant steam A, and the lithium bromide concentrated solution A is evaporated to become concentrated solution; the high-temperature refrigerant steam A generated by the high-pressure generator 1 has higher saturation temperature, then flows into the low-pressure generator 2 and heats the lithium bromide dilute solution B in the low-pressure generator 2 to generate the refrigerant steam B, the lithium bromide dilute solution B is evaporated to become concentrated solution, the refrigerant steam A heats the lithium bromide dilute solution B and is condensed into refrigerant water A, the refrigerant water A and the refrigerant steam B are condensed into refrigerant water C through the condenser 3, the refrigerant water C enters the evaporator 4 after being subjected to heat insulation and throttling through the expansion valve 16, the heat of cold water in the evaporator 4 tube bundle is absorbed, and the circulating water in the evaporator 4 tube bundle is cooled into cold water to enter the cold water/hot water utilization device 20 for use; the refrigerant steam generated by the reverse evaporation of the evaporator 4 enters the absorber 5, the cooling water (usually 20 ℃ hot water) flowing out of the cooling tower 12 firstly flows through the absorber 5 to cool the refrigerant steam to absorb heat under the action of the delivery pump 14, the cooling water (usually 4-7 ℃ in temperature rise) coming out of the absorber enters the condenser 3, and the refrigerant steam C in the condenser 3 is cooled and then enters the cooling tower 12 again to form an external circulation cooling loop;
The circulating loop of the lithium bromide concentrated solution A in the refrigerating process is as follows: the concentrated lithium bromide solution A flowing out of the high-pressure generator 1 enters the absorber 5 through the high-temperature solution heat exchanger 6, the lithium bromide solution A rapidly absorbs the refrigerant cooled by the cooling water in the absorber 5, and the diluted lithium bromide solution A enters the high-pressure generator 1 again through the high-temperature solution heat exchanger 6 after being pressurized by the first pressurizing pump 18; the circulation loop of the lithium bromide dilute solution B in the refrigeration process is as follows: the concentrated lithium bromide dilute solution B flowing out of the low-pressure generator 2 enters the absorber 5 through the low-temperature solution heat exchanger 7, the refrigerant cooled by the cooling water is quickly absorbed in the absorber 5, and the diluted lithium bromide dilute solution B enters the low-pressure generator 2 again through the low-temperature solution heat exchanger 7 after being pressurized by the second pressurizing pump 19.
In winter, the refrigerating circuit and the external circulation cooling circuit are both in an open circuit state, the heating circuit is in a passage state, and heat generated by the biomass energy and the air in the combustion chamber 105 is used for heating the lithium bromide concentrated solution A in the high-pressure generator 1 to generate high-temperature refrigerant steam A, so that the lithium bromide concentrated solution A is changed into concentrated solution due to evaporation; the high-temperature refrigerant steam A flows into the evaporator 4 to heat the circulating water in the evaporator 4 tube bundle so as to raise the temperature of the circulating water and generate hot water for users; the refrigerant water formed by the high-temperature refrigerant steam A after heat release in the evaporator 4 enters the absorber 5 under the action of pressure difference;
The circulation loop of the lithium bromide concentrated solution A is as follows: the concentrated lithium bromide solution A in the high-pressure generator 1 enters the absorber 5 through the high-temperature solution heat exchanger 6 to quickly absorb the refrigerant water (the refrigerant water flowing into the absorber 5 from the evaporator 4), and the diluted concentrated lithium bromide solution A enters the high-pressure generator 1 again through the high-temperature solution heat exchanger 6 after being pressurized by the first pressurizing pump 18.
Claims (1)
1. The utility model provides an utilize biomass energy driven direct-fired lithium bromide hot and cold water unit, includes heat energy apparatus for producing, by high pressure generator (1), low pressure generator (2), condenser (3), evaporimeter (4), absorber (5), the refrigerating circuit that high temperature solution heat exchanger (6) and low temperature solution heat exchanger (7) ware constitute, and by the heating circuit that high pressure generator (1), evaporimeter (4), absorber (5) and high temperature solution heat exchanger (6) constitute, its characterized in that: the heat energy production device comprises a biomass energy fermentation tank (8), a gas cleaning device (9) and a gas storage tank (10) which are sequentially connected in series; the high-pressure generator (1) comprises a shell (101) for containing lithium bromide solution, wherein a refrigerant steam outlet (102) is arranged at the top of the shell (101), and a concentrated solution outlet (103) and a diluent inlet (104) are arranged at the bottom of the shell at intervals; a combustion device is arranged in the shell (101), the combustion device comprises a combustion chamber (105), a plurality of heating surface tube bundles (106) are arranged in the combustion chamber (105) at intervals, an air source air inlet (107) at one side of the combustion chamber (105) is communicated with an air source outlet of the air storage tank (10) through an air inlet pipe (11), an air inlet (108) communicated with the combustion chamber (105) is arranged at the same side as the air source air inlet (107), and an exhaust pipe (109) at the other side of the combustion chamber (105) is communicated with the biomass energy fermentation tank (8);
The biomass energy fermentation tank (8) comprises a fermentation tank (802) with an outer layer coated with an insulating layer (801), a plurality of groups of heating pipelines (803) communicated with the smoke exhaust pipe (109) are arranged on the outer wall of the fermentation tank (802) at intervals, and a temperature sensor is arranged on the outer wall of the fermentation tank (802);
The refrigeration loop also comprises an external circulation cooling loop formed by sequentially connecting a cooling tower (12), an absorber (5) and a condenser (3) in series, and a first stop valve (13) and a delivery pump (14) are connected in series on the external circulation cooling loop between the absorber (5) and the cooling tower (12) at intervals;
A second stop valve (15) is connected in series on the refrigerating circuit between the high-pressure generator (1) and the low-pressure generator (2), and an expansion valve (16) is connected in series on the refrigerating circuit between the condenser (3) and the evaporator (4); a third stop valve (17) is connected in series with the heating loop between the high-pressure generator (1) and the evaporator (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910434274.4A CN110145893B (en) | 2019-05-23 | 2019-05-23 | Direct-fired lithium bromide cold and hot water unit driven by biomass energy |
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| CN201910434274.4A CN110145893B (en) | 2019-05-23 | 2019-05-23 | Direct-fired lithium bromide cold and hot water unit driven by biomass energy |
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| CN110145893A CN110145893A (en) | 2019-08-20 |
| CN110145893B true CN110145893B (en) | 2024-07-30 |
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| IT202000006325A1 (en) * | 2020-03-25 | 2021-09-25 | Biokw Srl | METHOD FOR ENERGY VALORIZATION OF BIOMASS AND PLANT TO REALIZE THIS METHOD |
| CN113865144A (en) * | 2021-08-23 | 2021-12-31 | 深圳市燃气集团股份有限公司 | Zero-carbon-emission refrigeration system |
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| CN210569342U (en) * | 2019-05-23 | 2020-05-19 | 机械工业第六设计研究院有限公司 | Direct-fired lithium bromide hot and cold water unit powered by biomass energy |
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| WO2010000571A2 (en) * | 2008-06-09 | 2010-01-07 | Consejo Superior De Investigaciones Cientificas | Absorber and absorber-evaporator assembly for absorption machines and lithium bromide - water absorption machines that integrate said absorber and absorber-evaporator assembly |
| DE102008056739A1 (en) * | 2008-11-11 | 2010-05-12 | Christian Wenner | Drying an air permeable substrate with warm-/hot air, useful for separating useable solid components of fermentation residues and/or sludge as fertilizer or fuel and for reducing amount of liquid fermentation residue and/or sludge |
| CN102967080B (en) * | 2012-12-06 | 2015-03-18 | 中盈长江国际新能源投资有限公司 | Thermal power system with complementation between solar energy and biomass energy |
| CN203011002U (en) * | 2012-12-19 | 2013-06-19 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat |
| CN102997483B (en) * | 2012-12-27 | 2014-08-20 | 双良节能系统股份有限公司 | Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat |
| CN103471287A (en) * | 2013-09-13 | 2013-12-25 | 兰州理工大学 | Renewable energy source complementary combined cooling heating and power system |
| CN103542592A (en) * | 2013-09-28 | 2014-01-29 | 昆山市周市溴化锂溶液厂 | Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function |
| CN205279509U (en) * | 2015-12-25 | 2016-06-01 | 双良节能系统股份有限公司 | Energy -efficient direct combustion type lithium bromide absorption formula of heating is cold, hot water unit system |
| CN205477921U (en) * | 2016-03-17 | 2016-08-17 | 山东科技大学 | Marsh gas natural gas combined drive supply of cooling, heating and electrical powers system |
| CN105890220A (en) * | 2016-06-02 | 2016-08-24 | 松下制冷（大连）有限公司 | Direct-fired efficient environment-friendly lithium bromide absorption hot and cold water unit |
| 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 |
| CN208487823U (en) * | 2018-04-09 | 2019-02-12 | 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 |
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| CN210569342U (en) * | 2019-05-23 | 2020-05-19 | 机械工业第六设计研究院有限公司 | Direct-fired lithium bromide hot and cold water unit powered by biomass energy |
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