CN213810558U - Steam generating device for recovering waste heat of low-temperature tail gas - Google Patents
Steam generating device for recovering waste heat of low-temperature tail gas Download PDFInfo
- Publication number
- CN213810558U CN213810558U CN202022550692.0U CN202022550692U CN213810558U CN 213810558 U CN213810558 U CN 213810558U CN 202022550692 U CN202022550692 U CN 202022550692U CN 213810558 U CN213810558 U CN 213810558U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- temperature
- tail gas
- outlet
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a low temperature tail gas waste heat recovery's steam generator belongs to heat energy engineering steam utilization technical field, send the waste heat recovery system of heat to heat pump circulation system including the heat pump circulation heating system who is used for heating the soft water, to its high pressure of carrying high-pressure soft water carry atomizing system and recovery low temperature tail gas's waste heat. The utility model discloses can effectively solve present kiln low temperature tail gas and obtain make full use of's technical problem, the waste heat of fully retrieving kiln low temperature tail gas (60-150 ℃) produces required saturated steam of user and superheated steam fast, has also solved the slow problem of gas rate of direct evaporation formula gas production.
Description
Technical Field
The utility model belongs to the technical field of heat energy engineering steam utilizes, concretely relates to low temperature tail gas waste heat recovery's steam generator.
Background
In the 21 st century, the world develops rapidly, and the energy problem is more important and more severe. China, as the most rapidly developing country, has outstanding energy problems and is very important to save energy. Steam is widely used as a common energy source in various aspects of industry and civil life. Conventional steam is generally produced by heating water by electric heating or by using coal-fired gas. In many application fields, a large amount of tail gas (such as furnace flue gas, process waste gas and the like) containing 60-150 ℃ heat is discharged, the tail gas contains a large amount of available waste heat, the tail gas contains more impurities and cannot be recycled, and most of the tail gas can be discharged only after purification, so that a large amount of waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low temperature tail gas waste heat recovery's steam generator solves present low temperature flue gas direct emission, causes the extravagant problem of the energy.
The utility model relates to a low temperature tail gas waste heat recovery's steam generator, send hot waste heat recovery system to heat pump circulation system including the heat pump circulation heating system who is used for heating the soft water, carry atomizing system and the waste heat of retrieving low temperature tail gas to its high pressure of carrying high-pressure soft water.
The waste heat recovery system comprises a waste heat recovery empty tower, a guide cylinder is arranged in the waste heat recovery empty tower, the top of the guide cylinder is connected with a low-temperature tail gas inlet pipe, a tail gas outlet pipe is arranged on one side of the upper portion of the waste heat recovery empty tower, and a section of nozzle and a section of two-section nozzle are arranged in the guide cylinder from top to bottom. The nozzles are arranged in a pentagon shape, each nozzle is independently provided with a 72-DEG C matched angle, according to the double-membrane theory, high-low temperature water and tail gas are subjected to sufficient reverse heat exchange, the temperature of the tail gas is finally reduced to be below 30 ℃ for emission, and the water quantity can be controlled by adjusting a manual valve at the front end of each nozzle through heat exchange temperature difference adjustment. Heat in the tail gas can be extracted through two-stage reverse spray heat exchange, so that the heat of the tail gas is converted into usable high-temperature water, and the usable high-temperature water is converted into steam for process use through heat exchange of a heat pump unit.
The waste heat recovery empty tower is a carbon steel lining glass fiber reinforced plastic empty tower.
The heat pump circulation heating system comprises a waste heat recovery circulating pump, an evaporator, a compressor and a pressure-bearing water tank, wherein the waste heat recovery circulating pump is connected with the lower portion of a waste heat recovery empty tower, an outlet of the waste heat recovery circulating pump is connected with a high-temperature inlet and a section of nozzle of the evaporator, a high-temperature outlet of the evaporator is connected with a two-section nozzle, a low-temperature outlet of the evaporator is connected with an outlet of an expansion valve I and is connected with an inlet of the compressor, a condenser is arranged in the pressure-bearing water tank, an outlet of the compressor is connected with an inlet of the condenser, and a steam outlet pipe is arranged on the upper portion of the pressure-bearing water tank. The recovered heat energy can be better converted into hot steam for reuse.
The high-pressure conveying atomization system comprises a soft water tank, a first economizer and an atomization nozzle arranged in a pressure-bearing water tank, the lower portion of the soft water tank is connected with a soft water circulating pump, the outlet of the soft water circulating pump is connected with the low-temperature inlet of the first economizer, the low-temperature outlet of the first economizer is connected with a high-pressure pump, the outlet of the high-pressure pump is connected with the atomization nozzle, the high-temperature inlet of the first economizer is connected with the outlet of a condenser, and the high-temperature outlet of the second economizer is connected with the low-temperature inlet of a first evaporator. The pressure of the pumping opening of the high-pressure pump is more than 10MPa, so that the water is fully atomized, and necessary conditions are provided for direct evaporation of the water.
The heat pump circulating system adopts a high-temperature refrigerant as a heat transfer medium, and the highest evaporation temperature is set to 125 ℃; the economizer is of the phase-change type.
The soft water tank is provided with a soft water inlet pipe, and the lower part of the pressure bearing water tank is connected with the soft water tank through a pipeline.
An electromagnetic heating device is arranged on the outer side of the lower part of the pressure-bearing water tank. The electromagnetic energy heating device comprises a high-temperature resistant coil and an electromagnetic heating group connected with the high-temperature resistant coil, wherein the maximum temperature of the heating area is set to be about 300-350 ℃.
The temperature and the longitudinal length of the temperature arrangement of the condenser, the temperature and the longitudinal length of the electromagnetic energy heating system are set by regions, and a high-temperature atomization system is matched, so that the gas production rate can be effectively improved, and the gas production rate is increased; and the electromagnetic energy heating system is arranged in the bottom area, so that the problem that the non-evaporated water is secondarily evaporated by heat conduction generated by the electromagnetic energy can be better solved.
A demister is arranged between the outer side wall of the guide cylinder and the upper part of the inner side wall of the waste heat recovery empty tower, and a tail gas outlet pipe is arranged on the waste heat recovery empty tower on the right side of the upper part of the demister.
The steam outlet pipe is provided with a water vapor compression device, and the water vapor compression device comprises a single-screw water vapor compressor arranged on the steam outlet pipe. The compression ratio of the compressor is up to 9, the temperature rise is 60-80 ℃, the maximum steam pressure is up to 1.0MPa, and the maximum steam temperature is 200 ℃.
The high-temperature outlet of the first economizer is connected with a liquid storage tank, the lower part of the liquid storage tank is connected with a second economizer, a gaseous medium outlet of the second economizer is connected with the low-temperature inlet of the evaporator, a liquid medium outlet of the second economizer is connected with the inlet of the compressor, the liquid medium inlet and the gaseous medium outlet of the second economizer are both connected with the liquid storage tank through pipelines, and a second expansion valve is arranged on the pipeline connected with the liquid medium inlet of the second economizer. The effect of recycling energy is better.
The outlets of the first section of nozzle and the second section of nozzle are both inclined and sprayed upwards, a manual valve is arranged on a pipeline connected with the outlet of the waste heat recovery circulating pump, and a manual valve is also arranged on a pipeline connected with the second section of nozzle and the first section of nozzle. The spray amount of the spray nozzle can be conveniently adjusted.
Compared with the prior art, the utility model has the advantages of:
the method can effectively solve the technical problem that the low-temperature tail gas of the furnace kiln can not be fully utilized at present, fully recover the waste heat of the low-temperature tail gas (60-150 ℃) of the furnace kiln to quickly generate saturated steam and superheated steam required by a user, and also solve the problem of low direct evaporation type gas production rate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a guide cylinder; 2. a section of nozzle; 3. a demister; 4. a waste heat recovery circulating pump; 5. waste heat recovery empty tower; 6. a two-stage nozzle; 7. an evaporator; 8. a second economizer; 9. a liquid storage tank; 10. an economizer I; 11. a soft water inlet pipe; 12. a soft water tank; 13. a soft water circulation pump; 14. a high pressure pump; 15. an atomizing spray head; 16. a condenser; 17. a pressure-bearing water tank; 18. a water vapor compressor; 19. a vapor outlet pipe; 20. an electromagnetic heating device; 21. the system comprises a compressor 22, a tail gas outlet pipe 23, a low-temperature tail gas inlet pipe 24, expansion valves II and 25 and an expansion valve I.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a low temperature tail gas waste heat recovery's steam generator, including the heat pump circulation heating system who is used for heating the soft water, carry the high pressure of high-pressure soft water to it and carry atomizing system and the waste heat of retrieving low temperature tail gas to heat pump circulation system's heat recovery system that send heat.
The waste heat recovery system comprises a waste heat recovery empty tower 5, a guide cylinder 1 is arranged in the waste heat recovery empty tower 5, the top of the guide cylinder 1 is connected with a low-temperature tail gas inlet pipe 23, a tail gas outlet pipe 22 is arranged on one side of the upper portion of the waste heat recovery empty tower 5, and a section of nozzle 2 and a section of nozzle 6 are arranged in the guide cylinder 1 from top to bottom. The nozzles are arranged in a pentagon shape, each nozzle is independently provided with a 72-DEG C matched angle, according to the double-membrane theory, high-low temperature water and tail gas are subjected to sufficient reverse heat exchange, the temperature of the tail gas is finally reduced to be below 30 ℃ for emission, and the water quantity can be controlled by adjusting a manual valve at the front end of each nozzle through heat exchange temperature difference adjustment. Heat in the tail gas can be extracted through two-stage reverse spray heat exchange, so that the heat of the tail gas is converted into usable high-temperature water, and the usable high-temperature water is converted into steam for process use through heat exchange of a heat pump unit. The waste heat recovery empty tower is a carbon steel lining glass fiber reinforced plastic empty tower.
The heat pump circulation heating system comprises a waste heat recovery circulating pump 4 connected with the lower part of a waste heat recovery empty tower 5, an evaporator 7, a compressor 21 and a pressure-bearing water tank 17, an outlet of the waste heat recovery circulating pump 4 is connected with a high-temperature inlet and a section of nozzle 2 of the evaporator 7, a high-temperature outlet of the evaporator 7 is connected with a section of nozzle 6, a low-temperature outlet of the evaporator 7 is connected with an outlet of an expansion valve 25, an inlet of the compressor 21 is connected with an outlet of the expansion valve 25, a condenser 16 is arranged in the pressure-bearing water tank 17, an outlet of the compressor 21 is connected with an inlet of the condenser 16, and a steam outlet pipe 19 is arranged on the upper part of the pressure-bearing water tank 17.
The high-pressure conveying atomization system comprises a soft water tank 12, an economizer I10 and an atomization nozzle 15 arranged in a pressure-bearing water tank 17, the lower part of the soft water tank 12 is connected with a soft water circulating pump 13, an outlet of the soft water circulating pump 13 is connected with a low-temperature inlet of the economizer I10, a low-temperature outlet of the economizer I10 is connected with a high-pressure pump 14, an outlet of the high-pressure pump 14 is connected with the atomization nozzle 15, a high-temperature inlet of the economizer I10 is connected with an outlet of a condenser 16, and a high-temperature outlet of an economizer II 8 is connected with a low-temperature inlet of an evaporator 7I.
The heat pump circulating system adopts a high-temperature refrigerant as a heat transfer medium, and the highest evaporation temperature is set to 125 ℃; the economizer is of the phase-change type.
The soft water tank 12 is provided with a soft water inlet pipe 11, and the lower part of the pressure-bearing water tank 17 is connected with the soft water tank 12 through a pipeline.
An electromagnetic heating device 20 is arranged on the outer side of the lower part of the pressure-bearing water tank 17. The electromagnetic energy heating device comprises a high-temperature resistant coil and an electromagnetic heating group connected with the high-temperature resistant coil, wherein the maximum temperature of the heating area is set to be about 300-350 ℃.
The temperature and the longitudinal length of the temperature arrangement of the condenser and the temperature arrangement and the longitudinal length of the electromagnetic heating device 20 are set by regions, and a high-temperature atomization system is matched, so that the gas production rate can be effectively improved, and the gas production rate is increased; and the electromagnetic energy heating system is arranged in the bottom area, so that the problem that the non-evaporated water is secondarily evaporated by heat conduction generated by the electromagnetic energy can be better solved.
Be equipped with defroster 3 between the lateral wall of guide cylinder 1 and the inside wall upper portion of waste heat recovery sky tower 5, tail gas exit tube 22 sets up on waste heat recovery sky tower 5 on defroster 3 upper portion right side.
The steam outlet pipe 19 is provided with a water vapor compression device, and the water vapor compression device comprises a single-screw water vapor compressor 18 arranged on the steam outlet pipe 19. The compression ratio of the compressor is up to 9, the temperature rise is 60-80 ℃, the maximum steam pressure is up to 1.0MPa, and the maximum steam temperature is 200 ℃. The demister is plastic filler.
The high-temperature outlet of the first economizer 10 is connected with a liquid storage tank 9, the lower part of the liquid storage tank 9 is connected with a second economizer 8, the gaseous medium outlet of the second economizer 8 is connected with the low-temperature inlet of the evaporator 7, the liquid medium outlet of the second economizer 8 is connected with the inlet of the compressor 21, the liquid medium inlet and the gaseous medium outlet of the second economizer 8 are both connected with the liquid storage tank 9 through pipelines, and the pipeline connected with the liquid medium inlet of the second economizer 8 is provided with a second expansion valve 24. The pressure of the high-pressure pump is 5-12 MPa.
The outlets of the first section of nozzle 2 and the second section of nozzle 6 are both inclined upwards for spraying, a manual valve is arranged on a pipeline connected with the outlet of the waste heat recovery circulating pump 4, and a manual valve is also arranged on a pipeline connected with the second section of nozzle 6 and the first section of nozzle 2.
The use process comprises the following steps: tail gas enters into pipe 23 from the guide cylinder 1 of tail gas from the top through low temperature tail gas and gets into waste heat recovery sky tower 5, sprays reverse heat transfer through one section nozzle 1, two-stage nozzle 6 in proper order, through the defogger 3 defogging, outside the tower is discharged from tail gas exit tube 22 at last, accomplishes the tail gas heat transfer flow. The first-stage nozzle 1, the second-stage nozzle 6 and the evaporator 7 are used for extracting hot water from the bottom of the waste heat recovery empty tower 5 after heat exchange through the waste heat recovery circulating pump 4 for supply, and the heat exchange temperature and the evaporator 7 are adjusted through a manual valve to control the water quantity. The recovered hot water enters the evaporator 7 through the waste heat recovery circulating pump 4 for heat exchange, the low-temperature refrigerant entering the evaporator 7 is heated, the heated low-temperature refrigerant enters the compressor 21 through the expansion valve 25 and is compressed into high-temperature high-pressure gas, then the high-temperature high-pressure gas enters the condenser 16 of the pressure-bearing water tank 17 and is contacted with the low-temperature water mist sprayed out of the soft water tank 12 by the soft water circulating pump 13, the low-temperature water mist is heated and becomes high-temperature steam, the high-temperature steam is compressed 18 through the steam outlet pipe by the steam compressor and is supplied for use, the gas radiated by the condenser 16 is subjected to primary heat exchange through the economizer I10 on the low-temperature soft water entering the pressure-bearing water tank 17, residual heat energy is fully absorbed, one part of the low-temperature medium discharged by the economizer enters the gas inlet of the economizer II 8 after passing through the liquid storage tank 9, the other part of the low-temperature medium enters the gas inlet of the economizer II 8 and is changed into low-temperature liquid after passing through the expansion valve II 24, the low-temperature medium entering the gas inlet exchanges with the low-temperature liquid entering the liquid inlet again, enters the low-temperature inlet of the evaporator 7, and the liquid medium after heat exchange is discharged from the liquid outlet and enters the compressor 21. Wherein the water remaining in the lower portion of the pressure-bearing hot tank 17 can be secondarily evaporated by the heat conduction generated by the electromagnetic energy.
In this embodiment, the atomizing system is carried to soft water high pressure of carrying soft water includes: a soft water inlet pipe 11, a soft water tank 12, a soft water circulating pump 13, a high-pressure pump 14 and an atomizing nozzle 15. Soft water in the soft water tank 12 enters the economizer I10 through a soft water circulating pump 13, the soft water exchanges heat with a high-temperature liquid refrigerant in the economizer I10, the temperature is increased, the soft water after heat exchange enters a pressure bearing water tank 17 through a high-pressure water pump 14 and an atomizing spray head 15, the water after high-pressure atomization is sprayed on the wall surfaces of a condenser 16 and an electromagnetic heating device 20 at a high speed, and the water is fully exchanged into steam to be discharged; the rest of the non-evaporated condensed water is heated by the electromagnetic heating device 20 and then becomes high-temperature water and part of secondary steam, and the high-temperature water enters the soft water tank 12 through a pipeline and enters the next cycle.
In this embodiment, the water vapor compression system for compressing vapor includes: the steam after heat exchange by the condenser is changed into high-temperature and high-pressure steam suitable for different application scenes by the steam compressor 18, and the steam is connected to a steam application route by the steam outlet pipe 19.
To sum up, the utility model discloses can effectively solve present kiln low temperature tail gas and can not obtain make full use of's technical problem, fully retrieve kiln low temperature tail gas 60-150 ℃'s waste heat and produce required saturated steam of user and superheated steam fast, also solve the slow problem of gas rate of direct evaporation formula.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (8)
1. The utility model provides a steam generator of low temperature tail gas waste heat recovery which characterized in that: the system comprises a heat pump circulating heating system for heating soft water, a high-pressure delivery atomization system for delivering high-pressure soft water to the heat pump circulating system, and a waste heat recovery system for recovering waste heat of low-temperature tail gas and delivering heat to the heat pump circulating system; the waste heat recovery system comprises a waste heat recovery empty tower (5), a guide cylinder (1) is arranged in the waste heat recovery empty tower (5), the top of the guide cylinder (1) is connected with a low-temperature tail gas inlet pipe (23), a tail gas outlet pipe (22) is arranged on one side of the upper portion of the waste heat recovery empty tower (5), one section of nozzle (2) and two sections of nozzles (6) are arranged in the guide cylinder (1) from top to bottom, outlets of the one section of nozzle (2) and the two sections of nozzles (6) are inclined to spray upwards, and a manual valve is arranged on a pipeline for connecting the two sections of nozzles (6) and the one section of nozzles (2).
2. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 1, wherein: the heat pump circulating heating system comprises a waste heat recovery circulating pump (4) connected with the lower part of a waste heat recovery empty tower (5), an evaporator (7), a compressor (21) and a pressure-bearing water tank (17), an outlet of the waste heat recovery circulating pump (4) is connected with a high-temperature inlet and a section of nozzle (2) of the evaporator (7), a high-temperature outlet of the evaporator (7) is connected with a two-section nozzle (6), a low-temperature outlet of the evaporator (7) is connected with an expansion valve I (25), an outlet of the expansion valve I (25) is connected with an inlet of the compressor (21), a condenser (16) is arranged in the pressure-bearing water tank (17), an outlet of the compressor (21) is connected with an inlet of the condenser (16), a steam outlet pipe (19) is arranged on the upper part of the pressure-bearing water tank (17), and a manual valve is arranged on a pipeline of an outlet of the waste heat recovery circulating pump (4).
3. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 2, wherein: the high-pressure conveying atomization system comprises a soft water tank (12), a first economizer (10) and an atomization nozzle (15) arranged in a pressure bearing water tank (17), the lower part of the soft water tank (12) is connected with a soft water circulating pump (13), the outlet of the soft water circulating pump (13) is connected with the low-temperature inlet of the first economizer (10), the low-temperature outlet of the first economizer (10) is connected with a high-pressure pump (14), the outlet of the high-pressure pump (14) is connected with the atomization nozzle (15), the high-temperature inlet of the first economizer (10) is connected with the outlet of a condenser (16), and the high-temperature outlet of the second economizer (8) is connected with the low-temperature inlet of a first evaporator (7).
4. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 3, wherein: the soft water tank (12) is provided with a soft water inlet pipe (11), and the lower part of the pressure-bearing water tank (17) is connected with the soft water tank (12) through a pipeline.
5. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 2, wherein: an electromagnetic heating device (20) is arranged on the outer side of the lower part of the pressure-bearing water tank (17).
6. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 1, wherein: be equipped with defroster (3) between the lateral wall of guide cylinder (1) and the inside wall upper portion of waste heat recovery sky tower (5), tail gas exit tube (22) sets up on waste heat recovery sky tower (5) on defroster (3) upper portion right side.
7. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 2, wherein: a steam compression device is arranged on the steam outlet pipe (19), and the steam compression device comprises a single-screw steam compressor (18) arranged on the steam outlet pipe (19).
8. The steam generating device for recovering the waste heat of the low-temperature tail gas as claimed in claim 3, wherein: the high-temperature outlet of the first economizer (10) is connected with a liquid storage tank (9), the lower part of the liquid storage tank (9) is connected with a second economizer (8), the gaseous medium outlet of the second economizer (8) is connected with the low-temperature inlet of the evaporator (7), the liquid medium outlet of the second economizer (8) is connected with the inlet of the compressor (21), the liquid medium inlet and the gaseous medium outlet of the second economizer (8) are connected with the liquid storage tank (9) through pipelines, and the pipeline connected with the liquid medium inlet of the second economizer (8) is provided with a second expansion valve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550692.0U CN213810558U (en) | 2020-11-06 | 2020-11-06 | Steam generating device for recovering waste heat of low-temperature tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022550692.0U CN213810558U (en) | 2020-11-06 | 2020-11-06 | Steam generating device for recovering waste heat of low-temperature tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213810558U true CN213810558U (en) | 2021-07-27 |
Family
ID=76965719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022550692.0U Active CN213810558U (en) | 2020-11-06 | 2020-11-06 | Steam generating device for recovering waste heat of low-temperature tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213810558U (en) |
-
2020
- 2020-11-06 CN CN202022550692.0U patent/CN213810558U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108167040B (en) | Double-pressure expansion organic Rankine cycle recovery medium-low temperature waste heat power generation system | |
| CN105003351B (en) | Gas machine waste heat energy is carried out the energy tower of the multi-energy form output of step recovery | |
| CN103951005B (en) | The more technology coupling seawater desalination plants of zero-emission and its method | |
| CN207877623U (en) | Alkaline process produces the process units of sodium methoxide | |
| CN108088074A (en) | Novel oil smoke heat recovery system and method based on absorption heat pump | |
| CN210176512U (en) | Seawater desalination system utilizing waste heat of gas turbine | |
| CN112325254B (en) | Steam generator for recovering waste heat of low-temperature tail gas | |
| CN2769780Y (en) | Fume heat water combined lithium bromide suction type cold water, cold and hot water machine set | |
| CN110186220B (en) | Water-medium jet type heat pump system with cascade waste heat recovery function and working method thereof | |
| CN105648141A (en) | System and process for recycling converter low-temperature section flue gas waste heat | |
| CN113280525B (en) | Big difference in temperature heat transfer system of injection formula with subcooling and preheating | |
| CN111908542A (en) | Seawater desalination system and method utilizing waste heat of gas turbine | |
| CN105115184B (en) | A kind of absorbent refrigeration system with cryogenic refrigeration function | |
| CN213810558U (en) | Steam generating device for recovering waste heat of low-temperature tail gas | |
| CN201772424U (en) | Coke oven gas primary-cooling waste-heat boiler | |
| CN116839009A (en) | Device and method for preparing steam by utilizing waste heat | |
| CN207871570U (en) | A kind of device of rapidly pre-warming MVR vapo(u)rization systems | |
| CN207230508U (en) | The system that atmospheric steam heat pump and high pressure steam boiler joint produce middle pressure steam | |
| CN106016817B (en) | A kind of carbon dioxide recovering apparatus based on open absorption refrigeration circulation | |
| CN108955284A (en) | A kind of afterheat utilizing system of hydrogen mixed working fluid | |
| CN108411052A (en) | Low-grade waste heat recovery system | |
| CN107328135A (en) | Double evaporating pressure ammonia concn adjustable type power/refrigeration combined cycle power plants | |
| CN209026805U (en) | A kind of flue gas heat recovery system that combustion gas generates | |
| CN113175664A (en) | Recycling device and method for mixed working medium of feed water heating system | |
| CN105737127A (en) | Water vapor preparer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |