CN201387178Y - Liquid desiccant dehumidification device driven by low-temperature flue gas - Google Patents
Liquid desiccant 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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- 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
Abstract
The utility model discloses a liquid desiccant dehumidification device driven by low-temperature flue gas. The device comprises a liquid desiccant dehumidifier, a liquid regenerator, a flue duct heater, a heat exchanger, a liquid cooler, a strong liquid tank, a dilute liquid tank, a cooling tower, a water pump, a blower, a strong liquid internal circulation pump, a strong liquid external circulation pump, a dilute liquid internal circulation pump, a dilute liquid external circulation pump, a valve, an air supply outlet and an air exhaust outlet. The device adopts a hygroscopic liquid as a dehumidizer to eliminate moisture in the air, and the dehumidified air can be used for industrial combustion or as fresh air for an air condition system; the device utilizes low-temperature flue gas discharged from a industrial furnace kiln to serve as the heat source for the liquid regenerator, and utilizes the flue duct heater to heat the liquid, as to drive the entire device to operate; and the utility model has the advantages of low-temperature flue gas residual heat reclamation, energy conservation, high heat recovery efficiency, strong dehumidification capability, and the like.
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)
1, the solution dehumidification device that a kind of low-temperature flue gas drives, it is characterized in that: this device comprises 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), the taphole of described solution moisture removing device (1) links to each other with the solution inlet port of solution tank (2), described 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 described 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), 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 of described solution tank (2) and valve (19) join, the other end of valve (19) links to each other with weak solution groove (11) solution inlet, weak solution groove (11) taphole links 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 inlet of heat exchanger (9), 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 of solution tank (5) and valve (20) 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 inlet of heat exchanger (9), 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 described cooling tower (14) and solution cooler (10) joins, the coolant outlet of solution cooler (10) links to each other with water pump (15), the water inlet of water pump (15) other end 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, solution moisture removing device (1) is gone up set air outlet (18) and is connect user pipe, the air intake of regeneration blower fan (16) and solution regenerator (4) joins, and solution regenerator (4) is gone up set exhaust outlet (21) regeneration air is entered surrounding environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920143430U CN201387178Y (en) | 2009-03-18 | 2009-03-18 | Liquid desiccant 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 | Liquid desiccant dehumidification device driven by low-temperature flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN201387178Y true CN201387178Y (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920143430U Expired - Lifetime CN201387178Y (en) | 2009-03-18 | 2009-03-18 | Liquid desiccant dehumidification device driven by low-temperature flue gas |
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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 | A kind of automobile-used dehumidifing ＆ Cooling apparatus |
| 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 | A kind of automobile-used dehumidifing ＆ Cooling apparatus |
| CN107627808B (en) * | 2017-11-01 | 2023-09-08 | 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 |
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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 |