CN108518891B - Direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water for eliminating white smoke - Google Patents
Direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water for eliminating white smoke Download PDFInfo
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- CN108518891B CN108518891B CN201810309250.1A CN201810309250A CN108518891B CN 108518891 B CN108518891 B CN 108518891B CN 201810309250 A CN201810309250 A CN 201810309250A CN 108518891 B CN108518891 B CN 108518891B
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- flue gas
- heat exchanger
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- heating
- temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000000779 smoke Substances 0.000 title claims abstract description 38
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000003546 flue gas Substances 0.000 claims abstract description 108
- 238000010438 heat treatment Methods 0.000 claims abstract description 80
- 239000003507 refrigerant Substances 0.000 claims abstract description 50
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000002918 waste heat Substances 0.000 claims abstract description 6
- 239000002826 coolant Substances 0.000 claims abstract description 3
- 239000006096 absorbing agent Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000007791 dehumidification Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to a white smoke eliminating belt sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit, which is characterized in that: the unit is additionally provided with a device for preparing low-temperature coolant water when the unit is operated under a heating working condition, a smoke heat exchanger (18) is additionally arranged on a smoke exhaust pipe of the direct-fired high-pressure generator, and then a smoke solution heat exchanger (27), a dilute solution pipeline (28) of the smoke solution heat exchanger and a dilute solution pipeline (29) of the smoke solution heat exchanger are additionally arranged. When the refrigerating working condition is running, the dilute solution enters the flue gas solution heat exchanger to recycle the flue gas waste heat, and the flue gas is discharged after the temperature of the released heat of the flue gas is reduced. When the heating working condition is running, the low-temperature refrigerant water in the flash evaporator enters the flue gas heat exchanger to recover the flue gas waste heat, the dilute solution enters the flue gas solution heat exchanger to heat the normal-temperature flue gas, and the flue gas with reduced relative humidity absorbs heat and is discharged after the temperature is increased. The chimney of the invention can be made of conventional materials without special requirements, and can effectively remove white smoke, recover smoke heat and realize the overall energy efficiency of the elevator group.
Description
Technical Field
The invention relates to a direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water. Belongs to the technical field of air conditioning equipment.
Background
As shown in figure 1, a common direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water consists of a direct-fired high-pressure generator 1, a low-pressure generator 9, a condenser 8, an evaporator 5, an absorber 4, a low-temperature solution heat exchanger 3, a high-temperature solution heat exchanger 2, a heating concentrated solution switching valve 10, a heating refrigerant steam switching valve 11, a solution pump 6, a refrigerant pump 7, a sanitary water heater 17, a valve and control system (not shown in the figure) and pipelines for connecting all parts, and can heat sanitary hot water in a heat exchange tube by using the refrigerant steam generated by the direct-fired high-pressure generator 1 through the sanitary water heater 17 during refrigeration or heating to prepare the hot water for life or production required by people. When the unit operates under the refrigerating working condition, the smoke discharging temperature is about 170 ℃; when the unit is operated under heating conditions, for example, when the outlet temperature of heating water is 60 ℃, the exhaust temperature is about 155 ℃, and the natural gas combustion exhaust smoke has high steam content and low outdoor temperature in winter, so that the chimney always emits white smoke, thereby wasting energy and polluting the environment. How to find a chimney which can adopt conventional materials without special requirements, can effectively eliminate white smoke, simultaneously recover smoke heat, and improve energy efficiency of a unit, and is one of important problems of the current research.
Disclosure of Invention
The invention aims to overcome the defects, and provides the lithium bromide absorption type cold and hot water unit with the sanitary hot water direct combustion, which can be made of conventional materials, does not need special requirements, can effectively eliminate white smoke, can recover smoke heat and has the overall energy efficiency of a lifting machine group.
The purpose of the invention is realized in the following way: a white smoke-eliminating belt sanitary hot water direct-combustion lithium bromide absorption type cold and hot water unit comprises a direct-combustion high-pressure generator, a low-pressure generator, a condenser, an evaporator, an absorber, a low-temperature solution heat exchanger, a high-temperature solution heat exchanger, a sanitary water heater, a solution pump and a refrigerant pump. The smoke heat exchanger is arranged on the smoke exhaust pipe of the direct-fired high-pressure generator, and then the smoke solution heat exchanger is arranged.
And the newly added dilute solution pipeline of the flue gas inlet solution heat exchanger and the newly added dilute solution pipeline of the flue gas outlet solution heat exchanger can achieve the purpose in three connection modes: first, a part of the dilute solution is separated from the outlet of the solution pump and enters the flue gas solution heat exchanger, and the part of the dilute solution enters the direct-fired high-pressure generator after exiting.
And secondly, separating part of the dilute solution from the outlet of the low-temperature solution heat exchanger, and enabling the part of the dilute solution to enter the flue gas solution heat exchanger, wherein the part of the dilute solution enters the direct-fired high-pressure generator after exiting.
Thirdly, all the dilute solution from the low-temperature solution heat exchanger enters the flue gas solution heat exchanger, and all the dilute solution enters the high-temperature solution heat exchanger after exiting, and then enters the direct-fired high-pressure generator.
The beneficial effects of the invention are as follows:
according to the invention, through the unit and the flow, when the refrigerating working condition is running, the flue gas waste heat is recovered by the flue gas solution heat exchanger by using the dilute solution with the temperature lower than the flue gas temperature, so that the refrigerating performance of the unit is improved; when the heating working condition is operated, low-temperature refrigerant water far lower than the saturation temperature of the flue gas is generated by a system of the flue gas heat exchanger and the flue gas heat exchange from the high-pressure generator, sensible heat and partial latent heat of water vapor in the flue gas are recovered, after the dehumidification effect is generated while the heat of the flue gas is recovered, the flue gas is heated by a dilute solution higher than the temperature of the flue gas through the flue gas solution heat exchanger, so that the relative humidity of the discharged flue gas is reduced, the temperature is higher than the dew point temperature of the flue gas, the white smoke phenomenon of a chimney is thoroughly eliminated while the heating performance is improved, the environment is protected while the heat pollution is reduced, and as the flue gas does not have condensate separated out in the chimney, the conventional material can be adopted without special requirements. Under the condition that the refrigerating capacity or the heating capacity of the unit is unchanged, the fuel consumption is greatly reduced, the running cost is reduced, and the purposes of high efficiency and energy conservation are achieved.
Drawings
Fig. 1 is a schematic diagram of a heating flow of a conventional lithium bromide absorption type cold and hot water unit with sanitary hot water.
Fig. 2 is a schematic diagram of a heating flow process (first mode) of the white smoke eliminating belt sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit of the invention.
Fig. 3 is a schematic diagram of a heating flow process (second mode) of the white smoke eliminating belt sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit of the invention.
Fig. 4 is a schematic diagram of a heating flow process (third mode) of the white smoke eliminating belt sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit of the present invention.
Reference numerals:
direct-fired high-pressure generator 1
High temperature solution heat exchanger 2
Cryogenic solution heat exchanger 3
Absorber 4
Evaporator 5
Solution pump 6
Refrigerant pump 7
Condenser 8
Low voltage generator 9
Heating concentrated solution switching valve 10
Heating refrigerant steam switching valve 11
Solution pump outlet pipe 12
Absorber cylinder bottom 13
Evaporator liquid bag 14
Cold and hot water inlet pipe 15
Cold and hot water outlet pipe 16
Sanitary water heater 17
Flue gas heat exchanger 18
Flash evaporator 19
Heating absorber 20
Heating heat exchanger 21
Heating refrigerant pump 22
Heating dilute solution switching valve 23
Cryogenic coolant water make-up line 24
Heating hot water switching valve 25
Flash evaporator liquid bladder 26
Flue gas solution heat exchanger 27
Dilute solution pipeline 28 of flue gas inlet solution heat exchanger
A flue gas solution heat exchanger dilute solution line 29.
Detailed Description
The invention relates to a white smoke eliminating and sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit, which is based on the traditional sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit shown in figure 1, and is additionally provided with a set of low-temperature refrigerant water preparing device during heating working condition operation, wherein the device comprises a smoke heat exchanger 18, a flash evaporator 19, a heating absorber 20, a heating heat exchanger 21, a heating refrigerant pump 22, a low-temperature refrigerant water supplementing pipeline 24, a heating dilute solution switching valve 23, a heating hot water switching valve 25 and pipelines connected with each other; a flue gas solution heat exchanger 27, a dilute solution pipeline 28 of the flue gas inlet solution heat exchanger and a dilute solution pipeline 29 of the flue gas outlet solution heat exchanger are additionally arranged. The smoke heat exchanger 18 and the smoke solution heat exchanger 27 are arranged on the smoke exhaust pipe of the direct-fired high-pressure generator 1. And the newly added dilute solution pipeline 28 of the flue gas inlet solution heat exchanger and the dilute solution pipeline 29 of the flue gas outlet solution heat exchanger can achieve the purpose in three connection modes:
the first type is as shown in fig. 2, a newly added dilute solution pipeline 28 of the flue gas inlet solution heat exchanger is arranged between the outlet of the solution pump 6 and the flue gas solution heat exchanger 27, a dilute solution pipeline 29 of the flue gas outlet solution heat exchanger is arranged between the flue gas solution heat exchanger 27 and the direct-fired high-pressure generator 1, a part of dilute solution is separated from the outlet of the solution pump 6 and enters the flue gas solution heat exchanger 27, and the part of dilute solution enters the direct-fired high-pressure generator 1 after being separated;
the second type is as shown in fig. 3, a newly added dilute solution pipeline 28 of the flue gas inlet solution heat exchanger is arranged between the outlet of the low-temperature solution heat exchanger 3 and the flue gas solution heat exchanger 27, a dilute solution pipeline 29 of the flue gas outlet solution heat exchanger is arranged between the flue gas solution heat exchanger 27 and the direct-fired high-pressure generator 1, a part of dilute solution is separated from the outlet of the low-temperature solution heat exchanger 3 and enters the flue gas solution heat exchanger 27, and the part of dilute solution enters the direct-fired high-pressure generator 1 after being separated;
third, as shown in fig. 4, a newly added dilute solution pipeline 28 of the flue gas inlet solution heat exchanger is arranged between the outlet of the low-temperature solution heat exchanger 3 and the flue gas solution heat exchanger 27, a dilute solution pipeline 29 of the flue gas outlet solution heat exchanger is arranged between the flue gas solution heat exchanger 27 and the inlet of the high-temperature solution heat exchanger 2, all dilute solution coming out of the low-temperature solution heat exchanger 3 enters the flue gas solution heat exchanger 27, all dilute solution coming out of the dilute solution enters the high-temperature solution heat exchanger 2, and then enters the direct-fired high-pressure generator 1.
When the refrigerating working condition is operated, the heating concentrated solution switching valve 10, the heating refrigerant steam switching valve 11, the heating dilute solution switching valve 23 and the heating hot water switching valve 25 are all closed, the heating refrigerant pump 22 is stopped, the flash evaporator 19, the heating absorber 20 and the heating heat exchanger 21 stop circulating, the conventional refrigerating circulation process still operates normally, the flue gas from the direct-fired high-pressure generator 1 firstly passes through the flue gas heat exchanger 18 without changing the flue gas temperature, then enters the flue gas solution heat exchanger 27 to exchange heat with dilute solution with the temperature lower than the flue gas temperature, and the flue gas release heat temperature is reduced to about 100 ℃ and is discharged. Compared with a direct-fired unit with the smoke exhaust temperature of 170 ℃, the waste heat of the smoke temperature difference of 70 ℃ is recovered, and the refrigerating performance is greatly improved.
When the heating working condition is operated, the refrigerant pump 7 and the external system cooling water pump are stopped, the heating concentrated solution switching valve 10 and the heating refrigerant steam switching valve 11 are opened, the solution pump 6 is started, the heating dilute solution switching valve 23 and the heating hot water switching valve 25 are opened, the heating refrigerant pump 22 is started, the traditional heating circulation flow is still normal, the flue gas from the direct-fired high-pressure generator 1 firstly enters the flue gas heat exchanger 18 to exchange heat with low-temperature water which is far lower than the saturation temperature of the flue gas and is generated by a system of the direct-fired high-pressure generator, sensible heat and partial latent heat of water vapor in the flue gas are recovered, after the dehumidification effect is generated while the heat of the flue gas is recovered, the temperature of the flue gas is reduced to below 35 ℃, the flue gas is subjected to heat exchange with the dilute solution which is higher than the flue gas temperature, the room temperature is increased to about 85 ℃, the relative humidity of the discharged flue gas is reduced, the temperature is higher than the dew point temperature of the flue gas, the chimney white smoke phenomenon is thoroughly eliminated while the heating performance is improved, the heat pollution is reduced, the environment is protected, the condensate is not required to be separated out in the chimney material, and the special requirements are adopted for the chimney material.
The low-temperature refrigerant water which is far lower than the saturation temperature of the flue gas and is generated by a system in the heating working condition is from the flash evaporator liquid bag 26, the low-temperature refrigerant water in the flash evaporator liquid bag 26 is sent into the flue gas heat exchanger 18 by the heating refrigerant pump 22, the low-temperature refrigerant water is recovered, the flue gas waste heat is warmed and then enters the cavity of the flash evaporator 19 with lower pressure to flash into low-temperature refrigerant steam, the low-temperature refrigerant steam is absorbed by the solution sprayed outside the heat exchange tube of the heating absorber 20, the heat released by the solution absorbing the low-temperature refrigerant steam is taken away by part of low-temperature hot water from a heating user in the heat exchange tube, the pressure in the cavity is kept at a certain value by continuously absorbing the refrigerant steam by the solution in the heating absorber 20, and the low-temperature refrigerant water is continuously produced by the flash evaporation absorption process. The refrigerant water replenishing of the flash evaporator 19 is carried out by the pressure difference between the evaporator 5 and the flash evaporator 19, and enters the flash evaporator liquid bag 26 from the evaporator liquid bag 14 through the low-temperature refrigerant water replenishing pipeline 24, so as to continuously replenish water for the flash evaporator 19. The dilute solution in the heating absorber 20 is changed into dilute solution with lower concentration after absorbing low-temperature refrigerant steam, the dilute solution is heated by a high liquid level pressure difference through the heating heat exchanger 21 and enters the bottom 13 of the absorber cylinder to be mixed with the dilute solution in the absorber 4, and then the dilute solution is respectively sent to the heating absorber 20 to be sprayed by the solution pump 6, is sent to the direct-fired high-pressure generator 1 to be concentrated and is sent to the newly added flue gas solution heat exchanger 27 to exchange heat.
The scheme is applicable to the evaporator 5 and the absorber 4, and the scheme can be a single section (shown in the figure), two sections or multiple sections, and the cooling water can be in a parallel flow path (shown in the figure) or a series flow path.
Claims (3)
1. The utility model provides a white cigarette area health hot water direct combustion formula lithium bromide absorption formula cold, hot water unit disappears, includes direct combustion high pressure generator (1), low pressure generator (9), condenser (8), evaporimeter (5), absorber (4), low temperature solution heat exchanger (3), high temperature solution heat exchanger (2), health water heater (17), solution pump (6), refrigerant pump (7), its characterized in that: the unit also comprises a low-temperature coolant water device, a flue gas solution heat exchanger (27), a dilute solution pipeline (28) of the flue gas solution heat exchanger and a dilute solution pipeline (29) of the flue gas solution heat exchanger; the low-temperature refrigerant water device comprises a flue gas heat exchanger (18), a flash evaporator (19), a heating absorber (20), a heating heat exchanger (21), a heating refrigerant pump (22), a low-temperature refrigerant water supplementing pipeline (24), a heating dilute solution switching valve (23), a heating hot water switching valve (25) and pipelines connected with each other; a smoke heat exchanger (18) and a smoke solution heat exchanger (27) are arranged on a smoke exhaust pipe of the direct-fired high-pressure generator (1);
the flue gas inlet solution heat exchanger dilute solution pipeline (28) is arranged between the outlet of the solution pump (6) and the flue gas solution heat exchanger (27), the flue gas outlet solution heat exchanger dilute solution pipeline (29) is arranged between the flue gas solution heat exchanger (27) and the direct-fired high-pressure generator (1), and part of dilute solution separated from the outlet of the solution pump (6) enters the flue gas solution heat exchanger (27) for heating or cooling, and enters the direct-fired high-pressure generator (1) for concentration after coming out; or,
the flue gas inlet solution heat exchanger dilute solution pipeline (28) is arranged between the outlet of the low-temperature solution heat exchanger (3) and the flue gas solution heat exchanger (27), the flue gas outlet solution heat exchanger dilute solution pipeline (29) is arranged between the flue gas solution heat exchanger (27) and the direct-fired high-pressure generator (1), part of dilute solution is separated from the outlet of the low-temperature solution heat exchanger (3) and enters the flue gas solution heat exchanger (27) for heating or cooling, and the dilute solution enters the direct-fired high-pressure generator (1) for concentration after the dilute solution is discharged; or,
the flue gas inlet solution heat exchanger dilute solution pipeline (28) is arranged between the outlet of the low-temperature solution heat exchanger (3) and the flue gas solution heat exchanger (27), the flue gas outlet solution heat exchanger dilute solution pipeline (29) is arranged between the flue gas solution heat exchanger (27) and the inlet of the high-temperature solution heat exchanger (2), all the dilute solution from the low-temperature solution heat exchanger (3) enters the flue gas solution heat exchanger (27) for heating or cooling, all the dilute solution after the dilute solution is discharged enters the high-temperature solution heat exchanger (2) for heating, and then enters the direct-fired high-pressure generator (1) for concentration;
when the refrigerating working condition is operated, the heating concentrated solution switching valve, the heating refrigerant steam switching valve, the heating dilute solution switching valve and the heating hot water switching valve are all closed, the heating refrigerant pump is stopped, the flash evaporator, the heating absorber and the heating heat exchanger are stopped to circulate, the traditional refrigerating circulation process still operates normally, the flue gas from the direct-fired high-pressure generator firstly passes through the flue gas heat exchanger, the flue gas temperature is unchanged, and then enters the flue gas solution heat exchanger to exchange heat with the dilute solution with the temperature lower than the flue gas temperature;
when the heating working condition is operated, the refrigerant pump and the external system cooling water pump are stopped, the heating concentrated solution switching valve and the heating refrigerant steam switching valve are opened, the solution pump is started, the heating dilute solution switching valve and the heating hot water switching valve are opened, the heating refrigerant pump is started, the traditional heating circulation flow is still normally operated, the flue gas from the direct-fired high-pressure generator firstly enters the flue gas heat exchanger to exchange heat with low-temperature water which is far lower than the saturation temperature of the flue gas and is generated by the system, sensible heat and partial latent heat of the water vapor in the flue gas are recovered, the dehumidification effect is generated while the heat of the flue gas is recovered, the temperature of the flue gas is reduced to below 35 ℃, and then the flue gas enters the flue gas solution heat exchanger to exchange heat with dilute solution which is higher than the temperature of the flue gas;
the low-temperature refrigerant water which is generated by a system in the heating working condition and is far lower than the saturation temperature of the flue gas comes from the flash evaporator liquid bag, the low-temperature refrigerant water in the flash evaporator liquid bag is sent into the flue gas heat exchanger by a heating refrigerant pump, the low-temperature refrigerant water is recovered, the flue gas waste heat is warmed and then enters a flash evaporator cavity with lower pressure to flash into low-temperature refrigerant steam, the low-temperature refrigerant steam is absorbed by a solution sprayed outside a heat exchange pipe of a heating absorber, the heat released by the solution absorbing the low-temperature refrigerant steam is taken away by part of low-temperature hot water from a heating user in the heat exchange pipe, the pressure in the cavity is kept at a certain value by continuously absorbing the refrigerant steam by the solution in the heating absorber, and the low-temperature refrigerant water is continuously produced by the flash evaporation absorption process; the refrigerant water replenishing of the flash evaporator enters the liquid sac of the flash evaporator from the liquid sac of the flash evaporator through a low-temperature refrigerant water replenishing pipeline by the pressure difference between the evaporator and the flash evaporator, and the flash evaporator is continuously replenished with water; the dilute solution in the heating absorber is changed into dilute solution with lower concentration after absorbing low-temperature refrigerant steam, the dilute solution is heated by a high liquid level pressure difference through a heating heat exchanger and enters the bottom of the absorber cylinder to be mixed with the dilute solution in the absorber, and then the dilute solution is respectively sent to the heating absorber to be sprayed by a solution pump, is sent to a direct-fired high-pressure generator to be concentrated and is sent to a newly added smoke solution heat exchanger to exchange heat.
2. The white smoke abatement sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit according to claim 1, wherein the unit is characterized in that: the evaporator (5) and absorber (4) of the unit are single-section, two-section or multi-section.
3. The white smoke abatement sanitary hot water direct combustion type lithium bromide absorption type cold and hot water unit according to claim 1, wherein the unit is characterized in that: the cooling water of the unit is in a parallel flow path or a series flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309250.1A CN108518891B (en) | 2018-04-09 | 2018-04-09 | Direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water for eliminating white smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309250.1A CN108518891B (en) | 2018-04-09 | 2018-04-09 | Direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water for eliminating white smoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518891A CN108518891A (en) | 2018-09-11 |
| CN108518891B true CN108518891B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810309250.1A Active CN108518891B (en) | 2018-04-09 | 2018-04-09 | Direct-fired lithium bromide absorption type cold and hot water unit with sanitary hot water for eliminating white smoke |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111306836A (en) * | 2019-04-01 | 2020-06-19 | 哈尔滨工大金涛科技股份有限公司 | High-temperature wastewater lithium bromide absorption refrigeration all-in-one machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997483A (en) * | 2012-12-27 | 2013-03-27 | 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 |
| CN105423593A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN205747579U (en) * | 2016-06-02 | 2016-11-30 | 松下制冷（大连）有限公司 | Changes in temperature simultaneous type cold/hot water machine of lithium bromide group with double cigarette heat regenerator |
| CN208487826U (en) * | 2018-04-09 | 2019-02-12 | 双良节能系统股份有限公司 | Eliminating white smoke band health hot water direct-burning type lithium bromide absorption type hot water or cold water's unit |
-
2018
- 2018-04-09 CN CN201810309250.1A patent/CN108518891B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997483A (en) * | 2012-12-27 | 2013-03-27 | 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 |
| CN105423593A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN205747579U (en) * | 2016-06-02 | 2016-11-30 | 松下制冷（大连）有限公司 | Changes in temperature simultaneous type cold/hot water machine of lithium bromide group with double cigarette heat regenerator |
| CN208487826U (en) * | 2018-04-09 | 2019-02-12 | 双良节能系统股份有限公司 | Eliminating white smoke band health hot water direct-burning type lithium bromide absorption type hot water or cold water's unit |
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| Publication number | Publication date |
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| CN108518891A (en) | 2018-09-11 |
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