CN201387178Y - Solution dehumidification device driven by low temperature flue gas - Google Patents
Solution dehumidification device driven by low temperature flue gas Download PDFInfo
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- CN201387178Y CN201387178Y CN200920143430U CN200920143430U CN201387178Y CN 201387178 Y CN201387178 Y CN 201387178Y CN 200920143430 U CN200920143430 U CN 200920143430U CN 200920143430 U CN200920143430 U CN 200920143430U CN 201387178 Y CN201387178 Y CN 201387178Y
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000008929 regeneration Effects 0.000 claims description 26
- 238000011069 regeneration method Methods 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 187
- 239000002826 coolant Substances 0.000 description 4
- 238000004108 freeze drying Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Drying Of Gases (AREA)
Abstract
本实用新型公开了一种低温烟气驱动的溶液除湿装置，该装置包括溶液除湿器、溶液再生器、烟道加热器、换热器、溶液冷却器、浓溶液槽、稀溶液槽、冷却塔、水泵、风机、浓溶液内循环泵、浓溶液外循环泵、稀溶液内循环泵、稀溶液外循环泵、阀门、送风口和排风口。本装置以吸湿性溶液为除湿剂，去除空气中的水分，除湿后的空气可用于工业燃烧或作为空调系统的新风；本装置利用工业炉窑排放的低温烟气为溶液再生器的热源，通过烟道加热器加热溶液来驱动整套装置运行。本实用新型具有回收低温烟气余热、节约能源、热回收效率高、除湿能力强等优点。
The utility model discloses a solution dehumidification device driven by low-temperature flue gas, which comprises a solution dehumidifier, a solution regenerator, a flue heater, a heat exchanger, a solution cooler, a concentrated solution tank, a dilute solution tank, and a cooling tower , water pumps, fans, concentrated solution internal circulation pumps, concentrated solution external circulation pumps, dilute solution internal circulation pumps, dilute solution external circulation pumps, valves, air outlets and exhaust outlets. This device uses a hygroscopic solution as a dehumidifier to remove moisture in the air. The dehumidified air can be used for industrial combustion or as fresh air for an air-conditioning system; this device uses low-temperature flue gas discharged from industrial furnaces as a heat source for a solution regenerator. Flue heaters heat the solution to drive the entire plant. The utility model has the advantages of recovering the waste heat of low-temperature flue gas, saving energy, high heat recovery efficiency, and strong dehumidification ability.
Description
Technical field:
The utility model belongs to heat recovery device technique field, is specifically related to the solution dehumidification device that low-temperature flue gas drives.
Background technology:
Conventional dehumidification mode is freeze drying, and the refrigerant that promptly relies on refrigerator to provide cools to the following condensation of dew point by heat exchanger with humid air and goes out moisture.The dehumidifying of industrial combustion and air conditioner fresh air at present is the mode that adopts freeze drying mostly, but the drawback that freeze drying exists has: consume electricity (compression-type refrigeration) and the steam high-grade energy such as (absorption refrigerations), gases such as CFC that discharging damages the ozone layer and HCFC have been wasted the hot more required energy of air.Solution dehumidification is to utilize the salting liquid that possesses strong wettability power to carry out the caloic exchange with humid air in dehumidifier, and then reaches the purpose of air dewetting, and it has overcome freeze drying high energy consumption and problem of environment pollution caused.Yet existing solution dehumidification technology is applied to the air-conditioning system of building more, and the normal hot water that produces with solar thermal collector is difficult to recycle the low-temperature flue gas waste heat of industrial furnace as the regeneration thermal source.
Summary of the invention:
The solution dehumidification device that the utility model provides a kind of low-temperature flue gas to drive, its purpose is to recycle the low-temperature flue gas waste heat that discharges in the industrial processes, the low-temperature flue gas waste heat recovery is used for solution regeneration, utilizes in the dehumidifying in the circulation and regeneration circulation to solve dehumidification solution and utilize insufficient and the problem that regeneration efficiency is low, the problem that the cooling water circulation solves water resource waste.
The solution dehumidification device that low-temperature flue gas provided by the utility model drives, comprise solution moisture removing device 1, solution regenerator 4, flue heater 13, cooling tower 14, heat exchanger 9, solution cooler 10, concentrated solution internal circulation pump 3, weak solution internal circulation pump 6, concentrated solution outer circulation pump 8, weak solution outer circulation pump 12, regeneration blower fan 16, dehumidifying blower fan 17, water pump 15, solution tank 5, concentrated solution groove 7, solution tank 2, weak solution groove 11, valve 19 and valve 20,2 imports link to each other the taphole of described solution moisture removing device 1 with solution tank, solution tank 2 has two outlets, wherein outlet and concentrated solution internal circulation pump 3 join, the other end of concentrated solution internal circulation pump 3 communicates with the solution inlet port of solution moisture removing device 1, constitutes circulation in the solution dehumidification; The solution inlet port of the taphole of solution regenerator 4 and solution tank 5 communicates, solution tank 5 has two outlets, wherein an outlet links to each other with weak solution internal circulation pump 6, and the other end of weak solution internal circulation pump 6 communicates with the solution inlet port of solution regenerator 2, constitutes circulation in the solution regeneration; Another outlet and the valve 19 of solution tank 2 join, the other end of valve 19 links to each other with weak solution groove 11 solution inlet, weak solution groove 11 tapholes link to each other with weak solution outer circulation pump 12, the other end of weak solution outer circulation pump 12 is connected with the weak solution of heat exchanger 9 inlet, the weak solution outlet of heat exchanger 9 is connected with the solution inlet port of flue heater 13, the taphole of flue heater 13 is connected with the solution inlet port of solution regenerator 4, the taphole of solution regenerator 4 communicates with solution tank 5, another outlet and the valve 20 of solution tank 5 join, the other end of valve 20 links to each other with the solution inlet of concentrated solution groove 7, the taphole of concentrated solution groove 7 and concentrated solution outer circulation pump 8 join, the other end of concentrated solution outer circulation pump 8 communicates with the concentrated solution of heat exchanger 9 inlet, the concentrated solution outlet of heat exchanger 9 links to each other with solution cooler 10, the solution inlet of the other end of solution cooler 10 and solution moisture removing device 1 joins, the taphole of solution moisture removing device 1 communicates with the solution inlet port of solution tank 2, constitutes the solution system outer circulation; The cooling water inlet of the coolant outlet of cooling tower 14 and solution cooler 10 joins, and the coolant outlet of solution cooler 10 links to each other with water pump 15, and the water inlet of water pump 15 other ends and cooling tower 14 joins, and constitutes the cooling water circulation.
The air intake of described dehumidifying blower fan 17 and solution moisture removing device 1 communicates, and the air outlet 18 of solution moisture removing device 1 connects user pipe, and the air intake of regeneration blower fan 16 and solution regenerator 4 joins, and the exhaust outlet of solution regenerator 4 21 enters surrounding environment with regeneration air; Weak solution in the weak solution groove 11 enters heat exchanger 9 behind solution pump 12, after heat exchanger 9 preheatings, enter flue heater 13, send in the solution regenerator 4 after in flue heater 13, being heated to regeneration temperature and carry out the caloic exchange, realize solution regeneration with regeneration air by fume afterheat.
Remarkable result of the present utility model:
1, utilizes in the solution dehumidification circulation to solve in the dehumidification process concentrated solution and utilize inadequate problem.Utilizing circulates in the solution regeneration has improved the solution regeneration problem that concentration is little, regeneration efficiency is low.Utilize the cooling water circulation to save water resource effectively.Utilize the solution outer circulation to realize running without interruption of package unit, improved the operating efficiency of device.
2, reclaimed the low-temperature flue gas waste heat effectively, protection environment, energy savings help the energy-saving and emission-reduction of industry.
Description of drawings:
Fig. 1 is an apparatus structure schematic diagram of the present utility model,
In the accompanying drawing 1: solution moisture removing device 1, solution tank 2, concentrated solution internal circulation pump 3, solution regenerator 4, solution tank 5, weak solution internal circulation pump 6, concentrated solution groove 7, concentrated solution outer circulation pump 8, heat exchanger 9, solution cooler 10, weak solution groove 11, weak solution outer circulation pump 12, flue heater 13, cooling tower 14, water pump 15, regeneration blower fan 16, dehumidifying blower fan 17, air outlet 18, valve 19, valve 20, exhaust outlet 21.
The specific embodiment:
The utility model is described in further detail below in conjunction with Fig. 1:
In Fig. 1,2 imports link to each other the taphole of solution moisture removing device 1 with solution tank, and solution tank 2 has two outlets, and wherein outlet and concentrated solution internal circulation pump 3 join, the other end of concentrated solution internal circulation pump 3 communicates with the solution inlet port of solution moisture removing device 1, constitutes circulation in the solution dehumidification; The solution inlet port of the taphole of solution regenerator 4 and solution tank 5 communicates, solution tank 5 has two outlets, wherein an outlet links to each other with weak solution internal circulation pump 6, and the other end of weak solution internal circulation pump 6 communicates with the solution inlet port of solution regenerator 2, constitutes circulation in the solution regeneration; Another outlet and the valve 19 of solution tank 2 join, the other end of valve 19 links to each other with weak solution groove 11 solution inlet, weak solution groove 11 tapholes link to each other with weak solution outer circulation pump 12, the other end of weak solution outer circulation pump 12 is connected with the weak solution of heat exchanger 9 inlet, the weak solution outlet of heat exchanger 9 is connected with the solution inlet port of flue heater 13, the taphole of flue heater 13 is connected with the solution inlet port of solution regenerator 4, the taphole of solution regenerator 4 communicates with solution tank 5, another outlet and the valve 20 of solution tank 5 join, the other end of valve 20 links to each other with the solution inlet of concentrated solution groove 7, the taphole of concentrated solution groove 7 and concentrated solution outer circulation pump 8 join, the other end of concentrated solution outer circulation pump 8 communicates with the concentrated solution of heat exchanger 9 inlet, the concentrated solution outlet of heat exchanger 9 links to each other with solution cooler 10, the solution inlet of the other end of solution cooler 10 and solution moisture removing device 1 joins, the taphole of solution moisture removing device 1 communicates with the solution inlet port of solution tank 2, constitutes the solution system outer circulation; The cooling water inlet of the coolant outlet of cooling tower 14 and solution cooler 10 joins, and the coolant outlet of solution cooler 10 links to each other with water pump 15, and the water inlet of water pump 15 other ends and cooling tower 14 joins, and constitutes the cooling water circulation.
The solution dehumidification device that low-temperature flue gas drives is based on the solution dehumidification principle to reclaim the low-temperature flue gas waste heat that discharges in the industrial processes, a kind of novel energy-conserving device that is used for solution regeneration, an outlet of solution tank 2 links to each other with the solution inlet of weak solution groove 11 behind valve 19, the taphole of weak solution groove communicates with heat exchanger 9 behind weak solution outer circulation pump 12, weak solution is after heat exchanger 9 preheatings, enter flue heater 13, send into after in flue heater 13, being heated to regeneration temperature in the solution regenerator 4 and carry out the caloic exchange, realize solution regeneration with regeneration air by the low-temperature flue gas waste heat.
The dehumidification solution that capacity is all arranged in solution tank 2, solution tank 5, concentrated solution groove 7 and the weak solution groove 11 in package unit, to guarantee running without interruption of whole system, valve 19 changes and opening and closing according to the liquid level of dehumidification solution in the solution tank 2, concentrated solution is dilution gradually after the moisture absorption in dehumidifier 1, volume increases, and the solution level of solution tank 2 is also along with rising, when solution level is elevated to solution regeneration concentration, valve 19 is opened, and weak solution flows into weak solution groove 11 from solution tank 2; When the solution level of solution tank 2 dropped to the solution recoverable amount (promptly guaranteeing the solution amount of circular flow in the dehumidifying) of circulation in the dehumidifying, valve 19 was closed.Valve 20 changes and opening and closing according to the liquid level of dehumidification solution in the solution tank 5, after regenerating in regenerator 4, weak solution concentrates gradually, volume reduces, the solution level of solution tank 5 is also along with variation, when solution level is reduced to dehumidifying concentration, valve 20 is opened, and concentrated solution flows into concentrated solution groove 7 from solution tank 5; When the solution level of solution tank 5 dropped to the solution recoverable amount (promptly guaranteeing the solution amount of circular flow in the regeneration) of circulation in the regeneration, valve 19 was closed.
Embodiment 1: certain heating furnace gas consumption amount is 30000m
3/ h, specific air consumption is 69000m
3/ h, flue-gas temperature is about 300 ℃.The LiBr solution of employing 50% is dehumidizer, and in the circulation, the solution quality flow is 11.2kg/s in dehumidifying, and solution temperature is 30 ℃, and the humid air mass flow is 25.08kg/s, and the humid air temperature is 28 ℃.In the circulation, liquid inventory is 12.17kg/s in regeneration, and MAF is 25.08kg/s; The heat exchange area of flue heater is 120m
2, the film-cooled heat 50m of solution cooler
2Air humidity after treatment is from 25g/m
3Reduce to 10g/m
3, the air after handling is used for the heating furnace burning, can save coal gas 2.16%, be equivalent to save 1772 tons/year in mark coal.
In addition, the air after the processing can reduce the power consumption of blower fan, the oxidation atmosphere of reduction furnace atmosphere, has alleviated the oxidization burning loss of steel billet.If as near the air conditioner fresh air of building the heating furnace, can save air-conditioning power consumption 40% to the air after the dehumidifying.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920143430U CN201387178Y (en) | 2009-03-18 | 2009-03-18 | Solution dehumidification device driven by low temperature flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920143430U CN201387178Y (en) | 2009-03-18 | 2009-03-18 | Solution dehumidification device driven by low temperature flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387178Y true CN201387178Y (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920143430U Expired - Lifetime CN201387178Y (en) | 2009-03-18 | 2009-03-18 | Solution dehumidification device driven by low temperature flue gas |
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| Country | Link |
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| CN (1) | CN201387178Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537303B (en) * | 2009-03-18 | 2011-11-09 | 安徽工业大学 | Solution dehumidification device driven by low-temperature smoke gas |
| CN102506471A (en) * | 2011-11-11 | 2012-06-20 | 杭州兴环科技开发有限公司 | Liquor regenerating unit and method thereof |
| CN102563684A (en) * | 2012-01-12 | 2012-07-11 | 亿恒节能科技江苏有限公司 | Fuel gas circulated tail gas refrigerating fuel gas air independent dehumidification heating system |
| CN104180523A (en) * | 2014-08-19 | 2014-12-03 | 清华大学 | Flue gas waste heat recovery unit |
| CN107627808A (en) * | 2017-11-01 | 2018-01-26 | 南京工业大学 | Dehumidifying and cooling device for vehicle |
| CN107806676A (en) * | 2017-12-05 | 2018-03-16 | 沈阳建筑大学 | A kind of solar energy solution dehumidification air-conditioning system |
-
2009
- 2009-03-18 CN CN200920143430U patent/CN201387178Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537303B (en) * | 2009-03-18 | 2011-11-09 | 安徽工业大学 | Solution dehumidification device driven by low-temperature smoke gas |
| CN102506471A (en) * | 2011-11-11 | 2012-06-20 | 杭州兴环科技开发有限公司 | Liquor regenerating unit and method thereof |
| CN102563684A (en) * | 2012-01-12 | 2012-07-11 | 亿恒节能科技江苏有限公司 | Fuel gas circulated tail gas refrigerating fuel gas air independent dehumidification heating system |
| CN104180523A (en) * | 2014-08-19 | 2014-12-03 | 清华大学 | Flue gas waste heat recovery unit |
| CN104180523B (en) * | 2014-08-19 | 2017-03-01 | 清华大学 | A kind of flue gas waste heat recovery apparatus |
| CN107627808A (en) * | 2017-11-01 | 2018-01-26 | 南京工业大学 | Dehumidifying and cooling device for vehicle |
| CN107627808B (en) * | 2017-11-01 | 2023-09-08 | 南京工业大学 | A vehicle dehumidification and cooling device |
| CN107806676A (en) * | 2017-12-05 | 2018-03-16 | 沈阳建筑大学 | A kind of solar energy solution dehumidification air-conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100120 Effective date of abandoning: 20090318 |