CN102261702A - Dual-effect solution dehumidification fresh air unit - Google Patents
Dual-effect solution dehumidification fresh air unit Download PDFInfo
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- CN102261702A CN102261702A CN2011101418707A CN201110141870A CN102261702A CN 102261702 A CN102261702 A CN 102261702A CN 2011101418707 A CN2011101418707 A CN 2011101418707A CN 201110141870 A CN201110141870 A CN 201110141870A CN 102261702 A CN102261702 A CN 102261702A
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Abstract
The invention discloses a dual-effect solution dehumidification fresh air unit which comprises a high-temperature solution dehumidification circulation system and a low-temperature solution dehumidification circulation system which are connected through a coupling heat exchanger (9), wherein the high-temperature solution dehumidification circulation system comprises a high-temperature regenerator sensible heat recoverer (1), a high-temperature regenerator (2), a high-temperature regenerator heater (3), a high-temperature solution heat accumulator (6), a high-temperature dehumidification device (8), a high-temperature dehumidification device sensible heat recoverer (11) and the like; and the low-temperature solution dehumidification circulation system comprises a low-temperature regenerator sensible heat recoverer (12), a low-temperature regenerator (13), a low-temperature solution heat accumulator (16), a low-temperature dehumidification device (18), a low-temperature dehumidification cooler (19) and the like. The dual-effect solution dehumidification fresh air unit can be used for reducing the irreversible loss of a solution dehumidification fresh air system in high-temperature heat source driving.
Description
Technical field
The present invention relates to the new blower fan group of a kind of economic benefits and social benefits solution dehumidification, belong to the Refrigeration ﹠ Air-Conditioning equipment technical field.
Background technology
The basic principle of the current new wind solution dehumidification unit that adopts mainly is made up of regenerator sensible heat recover 1 ', regenerator 2 ', regenerator heater 3 ', regenerator solution circulation pump 4 ', concentrated solution pump 5 ', solution regenerator 6 ', weak solution pump 7 ', dehumidifier 8 ', dehumidifier cooler 9 ' and dehumidifier solution circulation pump 10 ' as shown in Figure 1.
During this system works, new wind is undertaken entering regenerator 2 ' after the sensible heat exchange by regenerator sensible heat recover 1 ' and air draft, thermal source is by the solution heat supply of regenerator heater 3 ' in regenerator 2 ', solution after being heated sprays from regenerator 2 ' top by regenerator solution circulation pump 4 ', in regenerator sensible heat recover 1 ', carry out the caloic exchange with the new wind of handling through regenerator sensible heat recover 1 ', moisture in the solution shifts to new wind, solution concentration raises, reach the purpose of solution regeneration, meanwhile, new wind is become air draft by humidification, in regenerator sensible heat recover 1 ', carry out the sensible heat exchange again after air draft is flowed out from regenerator 2 ', drain into environment at last with new wind.Concentrated solution by the 5 ' sucking-off of concentrated solution pump, enters dehumidifier 8 ' from regenerator 2 ' bottom after solution regenerator 6 ' and the weak solution backheat of sending here by weak solution pump 7 ' are lowered the temperature.Solution in the dehumidifier 8 ' is drawn the back by the dehumidifier cooler 9 ' water cooling that is cooled from the bottom, deliver to the ejection of dehumidifier 8 ' top by dehumidifier solution circulation pump 10 ' again, carry out the caloic exchange with the filling surface of new wind in dehumidifier 8 ' that enters, water vapour in the new wind shifts to solution, reach the purpose of fresh air dehumidification, meanwhile, solution becomes weak solution, sends back in the regenerator 2 ' again by weak solution pump 7 ' and regenerates.
On this basic dehumidification process basis, for the steam partial pressure that reduces between dehumidification solution and the new wind poor, also be everlasting at present and adopt multi-stage countercurrent arrangement form (being generally two-stage) in the solution dehumidification device, in order to reduce heat transfer temperature difference, also can in multistage layout, carry out the cascade utilization of temperature counterpart simultaneously to thermal source.These improvement on citation form can effectively reduce the irreversible loss in the solution dehumidification process, improve dehumidification rate, but when heat source temperature is higher (as 95 ℃), dehumidification solution in regenerator by superheated, make that the steam partial pressure difference between solution surface and the regeneration air is excessive, even adopt the multi-stage solution dehumidifying form, still be difficult to avoid producing bigger irreversible loss, for this reason, propose a kind ofly can carry out cascaded utilization of energy to high temperature heat source, the new wind solution dehumidification system that reduces irreversible loss just seems very necessary.
Summary of the invention
The technical problem to be solved in the present invention provides the new blower fan group of a kind of economic benefits and social benefits solution dehumidification, and it can reduce the irreversible loss of solution dehumidification VMC when high temperature heat source drives.
In order to solve the problems of the technologies described above, the invention provides the new blower fan group of a kind of economic benefits and social benefits solution dehumidification, comprise the pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system; The pyrosol dehumidifying circulatory system links to each other by coupled heat exchanger with the cryogenic fluid dehumidifying circulatory system;
The pyrosol dehumidifying circulatory system comprises high-temp regenerator sensible heat recover, high-temp regenerator, high-temp regenerator heater, high-temp regenerator solution circulation pump, high temperature concentrated solution pump, pyrosol regenerator, high temperature weak solution pump, high temperature dehumidifier, high temperature dehumidifier solution circulation pump and high temperature dehumidifier sensible heat recover;
At the top of high-temp regenerator spray thrower I is set, spray liquid feeder I is set in the bottom of high-temp regenerator; At the top of high temperature dehumidifier spray thrower II is set, spray liquid feeder II is set in the bottom of high temperature dehumidifier;
The outlet of spray liquid feeder I is successively by being connected with spray thrower I behind high-temp regenerator heater and the high-temp regenerator solution circulation pump; Be respectively equipped with thermal source inlet pipe and thermal source on the regenerator heater and go out pipe, thermal source inlet pipe and thermal source go out pipe and are connected with the two ends of regenerator heater inner coil pipe respectively;
Another outlet of spray liquid feeder I is connected with the inlet of spray liquid feeder II by high temperature concentrated solution pump, pyrosol regenerator successively;
The outlet of spray liquid feeder II is connected with spray thrower II by coupled heat exchanger and high temperature dehumidifier solution circulation pump successively;
Another outlet of spray liquid feeder II is connected with the inlet of spray liquid feeder I by high temperature weak solution pump, pyrosol regenerator successively;
The cryogenic fluid dehumidifying circulatory system comprises low-temperature regenerator sensible heat recover, low-temperature regenerator, low-temperature regenerator solution circulation pump, low temperature concentrated solution pump, cryogenic fluid regenerator, low temperature weak solution pump, low temperature dehumidification device, low temperature dehumidification device cooler and low temperature dehumidification device solution circulation pump;
At the top of low-temperature regenerator spray thrower III is set, spray liquid feeder III is set in the bottom of low-temperature regenerator; At the top of low temperature dehumidification device spray thrower IV is set, spray liquid feeder IV is set in the bottom of low temperature dehumidification device;
The outlet of spray liquid feeder III is successively by being connected with spray thrower III behind coupled heat exchanger and the low-temperature regenerator solution circulation pump; Another outlet of spray liquid feeder III is successively by being connected with the inlet of spray liquid feeder IV behind low temperature concentrated solution pump and the cryogenic fluid regenerator;
The outlet of spray liquid feeder IV is connected with the inlet of spray liquid feeder III after by the cryogenic fluid regenerator; Another outlet of spray liquid feeder IV is successively by being connected with spray thrower IV behind low temperature dehumidification device cooler and the low temperature dehumidification device solution circulation pump;
Be respectively equipped with cooling water inlet pipe and cooling water outlet tube on the low temperature dehumidification device cooler, cooling water inlet pipe and cooling water outlet tube are connected with the two ends of low temperature dehumidification device cooler inner coil pipe respectively.
Improvement as the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention: fresh inlet is aimed at high-temp regenerator sensible heat recover, high temperature dehumidifier sensible heat recover and low-temperature regenerator sensible heat recover respectively, and wind exhausting outlet is aimed at high-temp regenerator sensible heat recover and low-temperature regenerator sensible heat recover respectively; The low temperature dehumidification device is aimed in the air-supply outlet;
The air outlet of high-temp regenerator sensible heat recover is aimed at the air inlet of high-temp regenerator, and the air outlet of high-temp regenerator is aimed at the air inlet of high-temp regenerator sensible heat recover;
The air outlet of high temperature dehumidifier sensible heat recover is aimed at the air inlet of high temperature dehumidifier, and the air outlet of high temperature dehumidifier is aimed at the air inlet of high temperature dehumidifier sensible heat recover, and the air outlet of high temperature dehumidifier sensible heat recover is aimed at the air inlet of low temperature dehumidification device;
The air outlet of low-temperature regenerator sensible heat recover is aimed at the air inlet of low-temperature regenerator, and the air outlet of low-temperature regenerator is aimed at the air inlet of low-temperature regenerator sensible heat recover.
Further improvement as the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention: the new blower fan group of economic benefits and social benefits solution dehumidification also comprises the low-temperature regenerator heater, goes out low-temperature regenerator heater and control valve I are set respectively on the pipe at thermal source; At low-temperature regenerator heater two ends a bypass line is set, control valve II is set on bypass line;
The outlet of spray liquid feeder III is successively by being connected with spray thrower III behind coupled heat exchanger, low-temperature regenerator heater and the low-temperature regenerator solution circulation pump.
Further improvement as the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention: all fill dehumidification solution in the pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system, the dehumidification solution concentration that is arranged in the pyrosol dehumidifying circulatory system is higher than the dehumidification solution concentration of the cryogenic fluid dehumidifying circulatory system.
Further improvement as the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention: dehumidification solution is a lithium-bromide solution; The mass concentration that is arranged in the lithium-bromide solution of the pyrosol dehumidifying circulatory system is 55～60%, and the mass concentration that is arranged in cryogenic fluid dehumidifying circulatory system lithium-bromide solution is 45～50%.
The present invention is on the new wind solution dehumidification system of tradition basis, in conjunction with the technical characterstic of double-effect lithium bromide absorption type kind of refrigeration cycle, and the technical scheme of the new blower fan group of economic benefits and social benefits solution dehumidification that is proposed.
High-temp regenerator and low-temperature regenerator all utilize new wind to regenerate respectively, and new wind is heated the air draft that forms behind the humidification all to carry out being discharged in the environment after the sensible heat exchange with the new wind that has just entered in the sensible heat recover again.The new wind that need the handle high temperature dehumidifier sensible heat recover of at first flowing through, carry out sensible heat transfer with air draft from the high temperature dehumidifier, after heating up, enter the high temperature dehumidifier again, entered high temperature dehumidifier sensible heat recover after the dehumidifying of high temperature dehumidifier and carried out the sensible heat exchange with the processed new wind that has just entered, flowed into further dehumidifying in the low temperature dehumidification device after the cooling again, thereby finished whole dehumidification treatments process new wind.In the high temperature dehumidifier, the condensation latent heat that dehumidification solution is discharged when absorbing new wind institute moisture vapor is taken away by coupled heat exchanger and as the thermal source of low-temperature regenerator, the dehumidification solution in the heating low-temperature regenerator is for its regenerative process provides heat.In the low temperature dehumidification device, the condensation latent heat that dehumidification solution is discharged when absorbing from high temperature dehumidifier air draft institute moisture vapor is taken away by low temperature dehumidification device cooler, and the cooling water that low temperature dehumidification device cooler is adopted is normal temperature cooling water (30 ℃).High temperature heater (HTH) heats by the outside high temperature heat source of introducing (as 95 ℃).
In the present invention, 2 imports of coupled heat exchanger are connected with the spray liquid feeder II that is positioned at high temperature dehumidifier bottom and with the spray liquid feeder III that is positioned at the low-temperature regenerator bottom respectively, corresponding, 2 outlets of coupled heat exchanger are connected with spray thrower II that is positioned at high temperature dehumidifier top and the spray thrower III that is positioned at the low-temperature regenerator top respectively.Two imports of high-temp regenerator sensible heat recover connect fresh inlet and high-temp regenerator air outlet respectively, and two outlets connect high-temp regenerator air inlet and wind exhausting outlet respectively.Two imports of low-temperature regenerator sensible heat recover connect fresh inlet and low-temperature regenerator air outlet respectively, and two outlets connect low-temperature regenerator air inlet and wind exhausting outlet respectively.Two imports of high temperature dehumidifier sensible heat recover connect fresh inlet and high temperature dehumidifier air outlet respectively, and two outlets connect high temperature dehumidifier air inlet and low temperature dehumidification device air inlet respectively.
When the heat that is provided when coupled heat exchanger 9 can not satisfy requiring of low-temperature regenerator, can on said system form basis, set up a cover low-temperature regenerator heater and bypass thereof and regulate pipeline.At this moment, two imports of low-temperature regenerator heater connect high-temp regenerator heater thermal source outlet and the coupled heat exchanger taphole towards low-temperature regenerator respectively, two outlets of low-temperature regenerator connect the spray thrower III and the thermal source that are positioned at the low-temperature regenerator top respectively and go out pipe, low-temperature regenerator heater two ends are provided with a bypass line, and control valve I and control valve II are set respectively on its straight-through pipeline and the bypass line.When the heat that is provided when coupled heat exchanger 9 can not satisfy requiring of low-temperature regenerator, control valve I is opened, and by regulating the heating load of its aperture control low-temperature regenerator heater, this moment, the low-temperature regenerator heater played to carrying out the effect of post bake from the dehumidification solution of low-temperature regenerator, to remedy the deficiency of heat that coupled heat exchanger is provided.
In the present invention, the pyrosol dehumidifying circulatory system has different dehumidification solution concentration with the cryogenic fluid dehumidifying circulatory system, wherein the dehumidification solution concentration of the pyrosol dehumidifying circulatory system is higher, and during as the employing lithium-bromide solution, the range of choice of solution concentration can be between 45%～60%.
The present invention compares with the new blower fan of traditional solution dehumidification, has the following advantages:
1, can realize the economic benefits and social benefits utilization of heat energy to high temperature heat source (as 95 ℃) by two dehumidifying circulatory systems that intercouple.The heat that is about to the release of part high temperature heat source is converted into the heat of lower temperature by the high temperature level solution dehumidification circulatory system, and from the high temperature dehumidifier, emit, be used for as the thermal source that drives the cryogenic fluid dehumidifying circulatory system, thus when having avoided direct employing high temperature heat source because of the solution superheated being caused the excessive available energy that causes of solution partial pressure of water vapor lose.
2, can alleviate when dehumidification solution concentration is higher, adopt the incidental solution crystallization phenomenon of normal temperature water quench.In the new blower fan group of economic benefits and social benefits solution dehumidification, though pyrosol dehumidifying circulatory system solution concentration is higher, but its pyrosol dehumidifier is to be cooled to the heat release of cryogenic fluid regenerator by coupled heat exchanger, its chilling temperature is higher than normal temperature cooling water, so be not easy to cause the solution crystallization phenomenon because of undercooling.
3, have the advantage that can reduce irreversible mass transfer potential difference identical with the new blower fan of twin-stage solution dehumidification.New wind at first carries out first order dehumidifying by the pyrosol dehumidifier, enters the cryogenic fluid dehumidifier again and carries out second level dehumidifying, and the excessive shortcoming of mass transfer potential difference has reduced irreversible loss when therefore having overcome the single-stage dehumidifying.
The present invention there is no complicated technological process and changes on the new blower fan group of traditional solution dehumidification basis, system's irreversible loss is little, has tangible cascaded utilization of energy characteristics in the high temperature heat source utilization, all supporting maturation of the required parts of system, feasibility is strong, is easy to popularize and promote the use of.
Unit of the present invention has been realized cascaded utilization of energy to high temperature heat source by the economic benefits and social benefits loop structure that makes up solution dehumidification, and the irreversible different transfer of heat loss and the external heat that can reduce in the dehumidification process are lost.This system can be applicable to the fresh air dehumidification link of warm and humid independence control air conditioner system, is main purpose to reduce new wind water capacity.This unit irreversible loss is little, feasibility is strong, be easy to apply.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is the schematic diagram of the new blower fan group of traditional solution dehumidification;
Fig. 2 is the schematic diagram of the new blower fan group of economic benefits and social benefits solution dehumidification of embodiments of the invention 1;
Fig. 3 is the schematic diagram of the new blower fan group of economic benefits and social benefits solution dehumidification of embodiments of the invention 2.
The specific embodiment
Embodiment 1, the new blower fan group of a kind of economic benefits and social benefits solution dehumidification comprise the pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system; The pyrosol dehumidifying circulatory system links to each other by coupled heat exchanger 9 with the cryogenic fluid dehumidifying circulatory system.
The pyrosol dehumidifying circulatory system comprises high-temp regenerator sensible heat recover 1, high-temp regenerator 2, high-temp regenerator heater 3, high-temp regenerator solution circulation pump 4, high temperature concentrated solution pump 5, pyrosol regenerator 6, high temperature weak solution pump 7, high temperature dehumidifier 8, high temperature dehumidifier solution circulation pump 10 and high temperature dehumidifier sensible heat recover 11.
At the top of high-temp regenerator 2 spray thrower I 21 is set, spray liquid feeder I22 is set in the bottom of high-temp regenerator 2; At the top of high temperature dehumidifier 8 spray thrower II 81 is set, spray liquid feeder II 82 is set in the bottom of high temperature dehumidifier 8.
The outlet of spray liquid feeder I 22 is connected with spray thrower I 21 by high-temp regenerator heater 3 and high-temp regenerator solution circulation pump 4 backs successively; Be respectively equipped with thermal source inlet pipe 31 and thermal source on the regenerator heater 3 and go out pipe 32, thermal source inlet pipe 31 and thermal source go out pipe 32 and are connected with the two ends of regenerator heater 3 inner coil pipes respectively.Another outlet of spray liquid feeder I 22 is connected with the inlet of spray liquid feeder II 82 by high temperature concentrated solution pump 5, pyrosol regenerator 6 successively.
The outlet of spray liquid feeder II 82 is connected with spray thrower II 81 by coupled heat exchanger 9 and high temperature dehumidifier solution circulation pump 10 successively.Another outlet of spray liquid feeder II 82 is connected with the inlet of spray liquid feeder I 22 by high temperature weak solution pump 7, pyrosol regenerator 6 successively;
The cryogenic fluid dehumidifying circulatory system comprises low-temperature regenerator sensible heat recover 12, low-temperature regenerator 13, low-temperature regenerator solution circulation pump 14, low temperature concentrated solution pump 15, cryogenic fluid regenerator 16, low temperature weak solution pump 17, low temperature dehumidification device 18, low temperature dehumidification device cooler 19 and low temperature dehumidification device solution circulation pump 20.
At the top of low-temperature regenerator 13 spray thrower III131 is set, spray liquid feeder III132 is set in the bottom of low-temperature regenerator 13; At the top of low temperature dehumidification device 18 spray thrower IV 181 is set, spray liquid feeder IV 182 is set in the bottom of low temperature dehumidification device 18.
The outlet of spray liquid feeder III132 is connected with spray thrower III131 by coupled heat exchanger 9 and low-temperature regenerator solution circulation pump 14 backs successively; Another outlet of spray liquid feeder III132 is connected with the inlet of spray liquid feeder IV 182 by low temperature concentrated solution pump 15 and cryogenic fluid regenerator 16 backs successively.
An outlet of spray liquid feeder IV 182 is connected with the inlet of spray liquid feeder III132 by low temperature weak solution pump 17 and cryogenic fluid regenerator 16 backs successively; Another outlet of spray liquid feeder IV 182 is connected with spray thrower IV 181 by low temperature dehumidification device cooler 19 and low temperature dehumidification device solution circulation pump 20 backs successively.
Be respectively equipped with cooling water inlet pipe 191 and cooling water outlet tube 192 on the low temperature dehumidification device cooler 19, cooling water inlet pipe 191 and cooling water outlet tube 192 are connected with the two ends of low temperature dehumidification device cooler 19 inner coil pipes respectively.
Fresh inlet is aimed at high-temp regenerator sensible heat recover 1, high temperature dehumidifier sensible heat recover 11 and low-temperature regenerator sensible heat recover 12 respectively, and wind exhausting outlet is aimed at high-temp regenerator sensible heat recover 1 and low-temperature regenerator sensible heat recover 12 respectively; Low temperature dehumidification device 18 is aimed in the air-supply outlet.The air outlet of high-temp regenerator sensible heat recover 1 is aimed at the air inlet of high-temp regenerator 2, and the air outlet of high-temp regenerator 2 is aimed at the air inlet of high-temp regenerator sensible heat recover 1.The air outlet of high temperature dehumidifier sensible heat recover 11 is aimed at the air inlet of high temperature dehumidifier 8, the air outlet of high temperature dehumidifier 8 is aimed at the air inlet of high temperature dehumidifier sensible heat recover 11, and the air outlet of high temperature dehumidifier sensible heat recover 11 is aimed at the air inlet of low temperature dehumidification device 18.The air outlet of low-temperature regenerator sensible heat recover 12 is aimed at the air inlet of low-temperature regenerator 13, and the air outlet of low-temperature regenerator 13 is aimed at the air inlet of low-temperature regenerator sensible heat recover 12.
All fill lithium-bromide solution in the pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system, the mass concentration that is arranged in the lithium-bromide solution of the pyrosol dehumidifying circulatory system is 55～60%, and the mass concentration that is arranged in cryogenic fluid dehumidifying circulatory system lithium-bromide solution is 45～50%.
Entering from thermal source inlet pipe 31 in the regenerator heater 3 is that temperature is 95 ℃ of thermals source (for example hot water), and flowing into from cooling water inlet pipe 191 in the low temperature dehumidification device coolers 19 is that temperature is 30 ℃ a normal temperature cooling water.
Concrete action during the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention actual motion is as follows:
1, new wind enters high-temp regenerator sensible heat recover 1, carry out sensible heat transfer with air draft from high-temp regenerator 2, after heating up, enter high-temp regenerator 2, carry out the caloic exchange with the dehumidification solution that sprays from the spray thrower I 21 that is positioned at high-temp regenerator 2 tops, moisture under the effect of steam partial pressure difference in the dehumidification solution shifts to new wind, make 2 air drafts of new rheumatism degree increase becoming high-temp regenerator, air draft enters high-temp regenerator sensible heat recover 1 again, carry out the sensible heat exchange with the new wind that has just entered, drain into environment after being lowered the temperature.
2, the dehumidification solution in the high-temp regenerator 2 flows out from the outlet of the spray liquid feeder I 22 that is positioned at high-temp regenerator 2 bottoms, enters in the high-temp regenerator heater 3 high temperature heat source (95 ℃) heating that is flowed into from thermal source inlet pipe 31 again; Dehumidification solution is delivered to the spray thrower I 21 that is positioned at high-temp regenerator 2 tops by high-temp regenerator solution circulation pump 4 again; Spray thrower I 21 sprays dehumidification solution downwards, dehumidification solution carries out the caloic exchange with the new wind that enters high-temp regenerator 2, moisture under the effect of steam partial pressure difference in the dehumidification solution shifts to new wind, makes that dehumidification solution concentration increases, temperature comes back to the spray liquid feeder I 22 that is positioned at high-temp regenerator 2 bottoms after reducing.
3, the dense dehumidification solution that generates in high-temp regenerator 2 flows out from the taphole of spray liquid feeder I 22, flow to pyrosol regenerator 6 by high temperature concentrated solution pump 5, in pyrosol regenerator 6, carry out backheat (cooling) with rare dehumidification solution, flow to the high temperature dehumidifier 8 from pyrosol regenerator 6 again from high temperature dehumidifier 8.Rare dehumidification solution in the high temperature dehumidifier 8 flows out from the taphole of the spray liquid feeder II 82 that is positioned at high temperature dehumidifier 8 bottoms, flow to pyrosol regenerator 6 by high temperature weak solution pump 7, in pyrosol regenerator 6, carry out backheat (intensification) with dense dehumidification solution, flow to the spray liquid feeder I 22 that is positioned at high-temp regenerator 2 bottoms from pyrosol regenerator 6 again from high-temp regenerator 2.
4, new wind enters high temperature dehumidifier sensible heat recover 11, carry out sensible heat transfer with air draft from high temperature dehumidifier 8, after heating up, enter high temperature dehumidifier 8, carry out the caloic exchange with the dehumidification solution that sprays from the spray thrower II 81 that is positioned at high temperature dehumidifier 8 tops, water vapour under the effect of steam partial pressure difference in the new wind shifts to dehumidification solution, make new rheumatism degree reduce to become 8 air drafts of high temperature dehumidifier, air draft enters high temperature dehumidifier sensible heat recover 11 again, carry out the sensible heat exchange with the new wind that has just entered, entered low temperature dehumidification device 18 after the cooling, carry out the caloic exchange with the dehumidification solution that sprays from the spray thrower IV 181 that is positioned at low temperature dehumidification device 18 tops, water vapour under the effect of steam partial pressure difference in the air draft shifts to dehumidification solution, make its humidity further reduce, discharging from low temperature dehumidification device 18 at last becomes air-supply, thereby finishes the whole dehumidification treatments process of new wind.
5, the dehumidification solution that is arranged in the spray liquid feeder II 82 of high temperature dehumidifier 8 bottoms enters coupled heat exchanger 9, by dehumidification solution cooling from low-temperature regenerator 13, delivering to the spray thrower II 81 that is positioned at high temperature dehumidifier 8 tops by high temperature dehumidifier solution circulation pump 10 again sprays downwards, carry out the caloic exchange with the new wind that enters high temperature dehumidifier 8, moisture under the effect of steam partial pressure difference in the new wind shifts to dehumidification solution, comes back to the spray liquid feeder II 82 that is arranged in high temperature dehumidifier 8 bottoms after making dehumidification solution concentration diminish.
6, new wind enters low-temperature regenerator sensible heat recover 12, carry out sensible heat transfer with air draft from low-temperature regenerator 13, after heating up, enter low-temperature regenerator 13, with spray the dehumidification solution that gets off from the spray thrower III131 that is positioned at low-temperature regenerator 13 tops and carry out caloic exchange, moisture under the effect of steam partial pressure difference in the dehumidification solution shifts to new wind, make 13 air drafts of new rheumatism degree increase becoming low-temperature regenerator, air draft enters low-temperature regenerator sensible heat recover 12 again, carry out the sensible heat exchange with the new wind that has just entered, drain into environment after being lowered the temperature.
7, the dehumidification solution that is arranged in the spray liquid feeder III132 of low-temp recovery 13 bottoms enters coupled heat exchanger 9, by dehumidification solution heating from high temperature dehumidifier 8, delivering to the spray thrower III131 that is positioned at low-temperature regenerator 13 tops by low-temperature regenerator solution circulation pump 14 again sprays downwards, carry out the caloic exchange with the new wind that enters low-temperature regenerator 13, moisture under the effect of steam partial pressure difference in the dehumidification solution shifts to new wind, comes back to the spray liquid feeder III132 that is arranged in low-temperature regenerator 13 bottoms after making dehumidification solution concentration increase.
8, the dense dehumidification solution that generates in low-temperature regenerator 13 flows out from the taphole of spray liquid feeder III132; Flow to cryogenic fluid regenerator 16 by low temperature concentrated solution pump 15, in cryogenic fluid regenerator 16, carry out backheat (cooling), flow to the low temperature dehumidification device 18 from cryogenic fluid regenerator 16 again with rare dehumidification solution from low temperature dehumidification device 18.Rare dehumidification solution in the low temperature dehumidification device 18 flows out from the spray liquid feeder IV 182 that is arranged in low temperature dehumidification device 18 bottoms, flow to cryogenic fluid regenerator 16 by low temperature weak solution pump 17, in cryogenic fluid regenerator 16, carry out backheat (intensification) with dense dehumidification solution, flow to the spray liquid feeder III132 that is arranged in low-temperature regenerator 13 bottoms from cryogenic fluid regenerator 16 again from low-temperature regenerator 13.
9, dehumidification solution in the low temperature dehumidification device 18 flows out from the spray liquid feeder IV 182 that is arranged in low temperature dehumidification device 18 bottoms, enter low temperature dehumidification device cooler 19, cooled by normal temperature cooling water (30 ℃), delivering to the spray thrower IV 181 that is arranged in low temperature dehumidification device 18 tops by low temperature dehumidification device solution circulation pump 20 again sprays downwards, carry out the caloic exchange with indirect from the air draft of high temperature dehumidifier 8, moisture under the effect of steam partial pressure difference in the air draft shifts to dehumidification solution, comes back to the spray liquid feeder IV 182 that is arranged in low temperature dehumidification device 18 bottoms after making dehumidification solution concentration diminish.
The operating temperature of each critical piece was followed successively by high-temp regenerator 2, high temperature dehumidifier 8, low-temperature regenerator 13 and low temperature dehumidification device 18 by arranging from big to small when the new blower fan group of economic benefits and social benefits solution dehumidification of the present invention was worked.In addition, when system moved, the pyrosol dehumidifying circulatory system had higher dehumidification solution concentration and causes solution water vapor partial pressure excessive situation because of superheated to avoid solution in regenerator; The cryogenic fluid dehumidifying circulatory system has lower dehumidification solution concentration and is complementary with the thermal source quality that the heat extraction with the high temperature dehumidifier is provided.
Embodiment 2, the new blower fan group of a kind of economic benefits and social benefits solution dehumidification, as shown in Figure 3, different is to have set up a cover low-temperature regenerator heater 101 and a bypass line 104 thereof with embodiment 1.Two imports of low-temperature regenerator heater 101 connect the thermal source outlet of high-temp regenerator heater 3 and the taphole that coupled heat exchanger 9 leads to low-temperature regenerator 13 respectively, two outlets of low-temperature regenerator heater 101 connect the spray thrower III131 and the thermal source that are positioned at low-temperature regenerator 13 tops respectively and go out pipe 32, low-temperature regenerator heater 101 two ends are provided with a bypass line 104, and control valve I 102 and control valve II 103 are set respectively on its straight-through pipeline and the bypass line 104.That is, go out on the pipe 32 low-temperature regenerator heater 101 and control valve I 102 are set respectively at thermal source; At low-temperature regenerator heater 101 two ends a bypass line 104 is set, control valve II 103 is set on bypass line 104; The outlet of spray liquid feeder III132 is connected with spray thrower III131 by coupled heat exchanger 9, low-temperature regenerator heater 101 and low-temperature regenerator solution circulation pump 14 backs successively.
When system moves, when the heat that is provided when coupled heat exchanger 9 can satisfy requiring of low-temperature regenerator 13, control valve I 102 closed, and control valve II 103 is held open, low-temperature regenerator heater 101 is not worked at this moment, and running situation and embodiment one are identical; When the heat that is provided when coupled heat exchanger 9 can not satisfy requiring of low-temperature regenerator 13, control valve I 102 is opened, and by regulating the heating load of its aperture control low-temperature regenerator heater 101, low-temperature regenerator heater 101 plays carry out the effect of post bake from the dehumidification solution of low-temperature regenerator 13 at this moment, so that the deficiency of coupled heat exchanger 9 heat that provided to be provided, simultaneously also high temperature heat source has been carried out cascaded utilization of energy, all the other ruuning situations and embodiment 1 are identical.
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (5)
1. the new blower fan group of economic benefits and social benefits solution dehumidification is characterized in that: comprise the pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system; The described pyrosol dehumidifying circulatory system links to each other by coupled heat exchanger (9) with the cryogenic fluid dehumidifying circulatory system;
The described pyrosol dehumidifying circulatory system comprises high-temp regenerator sensible heat recover (1), high-temp regenerator (2), high-temp regenerator heater (3), high-temp regenerator solution circulation pump (4), high temperature concentrated solution pump (5), pyrosol regenerator (6), high temperature weak solution pump (7), high temperature dehumidifier (8), high temperature dehumidifier solution circulation pump (10) and high temperature dehumidifier sensible heat recover (11);
At the top of high-temp regenerator (2) spray thrower I (21) is set, spray liquid feeder I (22) is set in the bottom of high-temp regenerator (2); At the top of high temperature dehumidifier (8) spray thrower II (81) is set, spray liquid feeder II (82) is set in the bottom of high temperature dehumidifier (8);
The outlet of spray liquid feeder I (22) is connected with spray thrower I (21) by high-temp regenerator heater (3) and high-temp regenerator solution circulation pump (4) back successively; Be respectively equipped with thermal source inlet pipe (31) and thermal source on the described regenerator heater (3) and go out pipe (32), described thermal source inlet pipe (31) and thermal source go out pipe (32) and are connected with the two ends of regenerator heater (3) inner coil pipe respectively;
Another outlet of spray liquid feeder I (22) is connected with the inlet of spray liquid feeder II (82) by high temperature concentrated solution pump (5), pyrosol regenerator (6) successively;
The outlet of spray liquid feeder II (82) is connected with spray thrower II (81) by coupled heat exchanger (9) and high temperature dehumidifier solution circulation pump (10) successively;
Another outlet of spray liquid feeder II (82) is connected with the inlet of spray liquid feeder I (22) by high temperature weak solution pump (7), pyrosol regenerator (6) successively;
The described cryogenic fluid dehumidifying circulatory system comprises low-temperature regenerator sensible heat recover (12), low-temperature regenerator (13), low-temperature regenerator solution circulation pump (14), low temperature concentrated solution pump (15), cryogenic fluid regenerator (16), low temperature weak solution pump (17), low temperature dehumidification device (18), low temperature dehumidification device cooler (19) and low temperature dehumidification device solution circulation pump (20);
At the top of described low-temperature regenerator (13) spray thrower III (131) is set, spray liquid feeder III (132) is set in the bottom of low-temperature regenerator (13); At the top of low temperature dehumidification device (18) spray thrower IV (181) is set, spray liquid feeder IV (182) is set in the bottom of low temperature dehumidification device (18);
The outlet of spray liquid feeder III (132) is connected with spray thrower III (131) by coupled heat exchanger (9) and low-temperature regenerator solution circulation pump (14) back successively; Another outlet of spray liquid feeder III (132) is connected with the inlet of spray liquid feeder IV (182) by low temperature concentrated solution pump (15) and cryogenic fluid regenerator (16) back successively;
An outlet of spray liquid feeder IV (182) is connected with the inlet of spray liquid feeder III (132) by low temperature weak solution pump (17) and cryogenic fluid regenerator (16) back successively; Another outlet of spray liquid feeder IV (182) is connected with spray thrower IV (181) by low temperature dehumidification device cooler (19) and low temperature dehumidification device solution circulation pump (20) back successively;
Be respectively equipped with cooling water inlet pipe (191) and cooling water outlet tube (192) on the described low temperature dehumidification device cooler (19), described cooling water inlet pipe (191) and cooling water outlet tube (192) are connected with the two ends of low temperature dehumidification device cooler (19) inner coil pipe respectively.
2. the new blower fan group of economic benefits and social benefits solution dehumidification according to claim 1 is characterized in that:
Fresh inlet is aimed at high-temp regenerator sensible heat recover (1), high temperature dehumidifier sensible heat recover (11) and low-temperature regenerator sensible heat recover (12) respectively, and wind exhausting outlet is aimed at high-temp regenerator sensible heat recover (1) and low-temperature regenerator sensible heat recover (12) respectively; Low temperature dehumidification device (18) is aimed in the air-supply outlet;
The air outlet of described high-temp regenerator sensible heat recover (1) is aimed at the air inlet of high-temp regenerator (2), and the air outlet of high-temp regenerator (2) is aimed at the air inlet of high-temp regenerator sensible heat recover (1);
The air outlet of high temperature dehumidifier sensible heat recover (11) is aimed at the air inlet of high temperature dehumidifier (8), the air outlet of high temperature dehumidifier (8) is aimed at the air inlet of high temperature dehumidifier sensible heat recover (11), and the air outlet of high temperature dehumidifier sensible heat recover (11) is aimed at the air inlet of low temperature dehumidification device (18);
The air outlet of low-temperature regenerator sensible heat recover (12) is aimed at the air inlet of low-temperature regenerator (13), and the air outlet of described low-temperature regenerator (13) is aimed at the air inlet of low-temperature regenerator sensible heat recover (12).
3. the new blower fan group of economic benefits and social benefits solution dehumidification according to claim 2, it is characterized in that: the new blower fan group of described economic benefits and social benefits solution dehumidification also comprises low-temperature regenerator heater (101), goes out on the pipe (32) low-temperature regenerator heater (101) and control valve I (102) are set respectively at thermal source; At low-temperature regenerator heater (101) two ends a bypass line (104) is set, control valve II (103) is set on bypass line (104);
The outlet of spray liquid feeder III (132) is connected with spray thrower III (131) by coupled heat exchanger (9), low-temperature regenerator heater (101) and low-temperature regenerator solution circulation pump (14) back successively.
4. according to claim 1, the new blower fan group of 2 or 3 described economic benefits and social benefits solution dehumidifications, it is characterized in that: all fill dehumidification solution in the described pyrosol dehumidifying circulatory system and the cryogenic fluid dehumidifying circulatory system, the dehumidification solution concentration that is arranged in the pyrosol dehumidifying circulatory system is higher than the dehumidification solution concentration of the cryogenic fluid dehumidifying circulatory system.
5. the new blower fan group of economic benefits and social benefits solution dehumidification according to claim 4 is characterized in that: described dehumidification solution is a lithium-bromide solution; The mass concentration that is arranged in the lithium-bromide solution of the pyrosol dehumidifying circulatory system is 55～60%, and the mass concentration that is arranged in cryogenic fluid dehumidifying circulatory system lithium-bromide solution is 45～50%.
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| CN105299784A (en) * | 2015-11-02 | 2016-02-03 | 西安交通大学 | Heat and mass recovery type solution membrane dehumidification system based on membrane distillation and dehumidification method |
| CN105805869A (en) * | 2016-03-28 | 2016-07-27 | 上海交通大学 | Solar energy driven recuperative solid drying and dehumidifying air conditioner system and running method |
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| CN109506305A (en) * | 2018-10-12 | 2019-03-22 | 南昌大学 | One kind being based on CaCl2The fresh air treatment system of/LiCl twin-stage solution dehumidification |
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| CN109745841A (en) * | 2018-12-25 | 2019-05-14 | 西安交通大学 | The flue gas condensing twin-stage solution dehumidification reheat system and method for disappearing white for flue gas |
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