CN102252380A - Solution humidifying air conditioning unit with fresh air pretreatment device - Google Patents

Solution humidifying air conditioning unit with fresh air pretreatment device Download PDF

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Publication number
CN102252380A
CN102252380A CN2011101835974A CN201110183597A CN102252380A CN 102252380 A CN102252380 A CN 102252380A CN 2011101835974 A CN2011101835974 A CN 2011101835974A CN 201110183597 A CN201110183597 A CN 201110183597A CN 102252380 A CN102252380 A CN 102252380A
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China
Prior art keywords
solution
module
dehumidification
humidification
regeneration
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CN2011101835974A
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Chinese (zh)
Inventor
陈晓阳
刘拴强
张婷
从琳
李海翔
黄发洲
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北京华创瑞风空调科技有限公司
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Priority to CN2011101835974A priority Critical patent/CN102252380A/en
Publication of CN102252380A publication Critical patent/CN102252380A/en

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Abstract

The invention provides a solution humidifying air conditioning unit with a fresh air pretreatment device. The solution humidifying air conditioning unit comprises a solution humidifying air treatment unit and a first pre-cooling/heating device; the solution humidifying air treatment unit is provided with a first air inlet passage and an air outlet passage; and the first pre-cooling/heating device is positioned at the upstream of the first air inlet passage. The solution humidifying air conditioning unit reduces the irreversible loss, can achieve relatively high thermodynamic completeness, and remarkably improves the dehumidifying/ humidifying efficiency.

Description

Solution damping air-conditioning unit with new wind pretreatment unit

Technical field

The present invention relates to field, solution-type air processor field, more specifically, relate to a kind of solution damping air-conditioning unit with new wind pretreatment unit.

Background technology

Utilizing building return air that regeneration wind is provided is a kind of effective regeneration.But the return air amount of some building is also inadequate, can not satisfy the requirement of regeneration air quantity, for example needs to keep the toilet of malleation, the entrance hall that wind is oozed in existence etc.; The return air that part building also arranged because of contain pernicious gas, impurity can not be used for regenerating, for example Animal Lab., spinning and weaving workshop etc.For the building that can not adopt return air regeneration wind, the new wind of general using (new wind refers generally to natural wind) regeneration wind.

Regeneration wind need be controlled in certain temperature and humidity scope usually, for summer operation, be applied to the full air unit of field of air conditioning at present, generally be with indoor return air with after new wind mixes, by the surface cooler cool-down dehumidification with the Temperature and Humidity Control of realization to the regeneration wind in the inlet chamber.Specifically, unit adopts the mode of dehumidification by condensation, utilizes refrigeration unit to produce low-temperature cold water, to dew point, makes the water in air steam be condensed into aqueous water air freezing, thereby realizes cool-down dehumidification.But there is following problem in this kind dehumidifying and cooling mode: the refrigeration unit evaporating temperature is low, and refrigerating efficiency is low; Air themperature is too low behind the dehumidification by condensation, needs heat just can reach the wind pushing temperature requirement sometimes again, causes cold-hot counteraction, energy waste; There is condensate water in the surface cooler coil pipe, easily breed bacteria.For solving the problem of above-mentioned cool-down dehumidification mode, also have by the mode of solution dehumidification regeneration wind is carried out cool-down dehumidification control, solution dehumidification mode irreversible loss is little, has greatly saved the energy.But, adopt the solution dehumidification mode, when the high temperature wet weather appears in summer, the moisture height in the new wind, and then cause the solution dehumidification ability drop, influenced the whole dehumidifying effect of unit.

Summary of the invention

The present invention aims to provide a kind of solution damping air-conditioning unit with new wind pretreatment unit, the problem of solution dehumidification ability drop when solving the solution dehumidification mode summer operation of prior art.

For addressing the above problem, the invention provides a kind of solution damping air-conditioning unit with new wind pretreatment unit, comprise solution damping air-treatment unit and first precooling/heater; Solution damping air-treatment unit has first air intake passage and air-out passage; First precooling/heater is positioned at the upstream of first air intake passage.

Further, first precooling/heater comprises precooling/heating media flow siphunculus.

Further, precooling/heating media flow siphunculus is many folding bending shapes, and the entrance point and the port of export of precooling/heating media flow siphunculus are arranged on the same side.

Further, first precooling/heater also comprises housing, and precooling/heating media flow siphunculus is mounted in the housing; Housing has second air intake passage, and second air intake passage is communicated with successively with first air intake passage.

Further, solution damping air-treatment unit comprises solution dehumidification/humidification regeneration unit and heat pump; Solution dehumidification/humidification regeneration unit comprises solution dehumidification/humidification system and solution regeneration system, and solution dehumidification/humidification system comprises: solution dehumidification/humidification module and corresponding to first solution circulation pump of solution dehumidification/humidification module; Solution regeneration system comprises: solution regeneration module and corresponding to second solution circulation pump of solution regeneration module;

Solution dehumidification/humidification module comprises: solution dehumidification/humidification module spray chamber; Solution dehumidification/humidification module feed tube; Solution dehumidification/humidification module solution tank, it has first port that is connected with solution dehumidification/humidification module feed tube; Solution dehumidification/humidification module circulation pipe, an end is connected with second port of solution dehumidification/humidification module solution tank, and the other end is connected to the top in solution dehumidification/humidification module spray chamber; Solution dehumidification/humidification module drain pipe is connected to the bottom that solution dehumidification/humidification module sprays the chamber; Solution dehumidification/humidification module spray is formed with first air intake passage on the chamber; First solution circulation pump is arranged on solution dehumidification/humidification module circulation pipe, is used for the solution pump that flows out from solution dehumidification/humidification module solution tank second port is delivered to the top in solution dehumidification/humidification module spray chamber;

The solution regeneration module comprises: solution regeneration module spray chamber; Solution regeneration module feed tube; Solution regeneration module solution tank, it has first port that is connected with solution regeneration module feed tube; Solution regeneration module circulation pipe, an end is connected with second port of solution regeneration module solution tank, and the other end is connected to the top in solution regeneration module spray chamber; Solution regeneration module drain pipe is connected to the bottom that the solution regeneration module sprays the chamber; Solution regeneration module spray is formed with the air-out passage on the chamber; Second solution circulation pump is arranged on the solution regeneration module circulation pipe, is used for the solution pump that flows out from solution regeneration module solution tank second port is delivered to the top in solution regeneration module spray chamber; Solution dehumidification/humidification module feed tube communicates with solution regeneration module drain pipe, and solution dehumidification/humidification module drain pipe communicates with solution regeneration module feed tube;

Heat pump comprises: by compressor, cross valve, first heat exchanger, expansion valve and second heat exchanger of pipeline connection; First heat exchanger is arranged on solution dehumidification/humidification module circulation pipe, so that first heat exchanger carries out heat exchange with the solution that flows out from solution dehumidification/humidification module solution tank; Second heat exchanger is arranged on the solution regeneration module circulation pipe, so that second heat exchanger carries out heat exchange with the solution that flows out from solution regeneration module solution tank.

Further, solution dehumidification/humidification regeneration unit is a plurality of, and first air intake passage in the solution dehumidification of each solution dehumidification/humidification regeneration unit/humidification module spray chamber connects successively along the air intake direction; The air-out passage in the solution regeneration module spray chamber of each solution dehumidification/humidification regeneration unit connects successively along air-out direction; Heat pump is a plurality of, a plurality of heat pumps and the corresponding one by one coupling of a plurality of solution dehumidifications/humidification regeneration unit.

Further, the compressor of each heat pump is same compressor; The expansion valve of each heat pump is same expansion valve.

Further, solution dehumidification/humidification regeneration unit also comprises: heat exchanger is connected with solution dehumidification/humidification module and is connected with the solution regeneration module; Also be provided with water compensating valve on the solution regeneration module; The top in solution dehumidification/humidification module spray chamber and solution regeneration module spray chamber is provided with spray equipment.

Further, solution dehumidification/humidification module feed tube and solution regeneration module drain pipe are communicated with by heat exchanger; Solution dehumidification/humidification module drain pipe and solution regeneration module feed tube are communicated with by heat exchanger.

Further, first heat exchanger is between the solution dehumidification/humidification module solution tank and first solution circulation pump; Second heat exchanger is between the solution regeneration module solution tank and second solution circulation pump.

Further, also comprise second precooling/heater, second precooling/heater is positioned at the downstream of first air intake passage.

Further, second precooling/heater is identical with first precooling/heater structure.

According to technical scheme of the present invention, provided upstream at first air intake passage of solution damping air-treatment unit is equipped with first precooling/heater, when with the solution damping air-conditioning unit summer operation of new wind pretreatment unit, first precooling/heater uses as pre-cooler, make new wind earlier by first precooling/heater cooling precooling, part condensate moisture in the new wind is to reduce the water capacity in the new wind, new then wind enters in first air intake passage of solution damping air-treatment unit, become the regeneration air that is blown in the specific environment behind the cool-down dehumidification once more through solution damping air-treatment unit, avoided in the prior art the higher new wind of water capacity directly to enter dehumidifying in the solution damping air-treatment unit, cause the problem of solution damping air-treatment unit dehumidifying effect decline, improved the dehumidifying effect in summer of solution damping air-treatment unit.

Description of drawings

The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is that dotted arrow is represented flow of refrigerant among the figure according to the fundamental diagram of the solution damping air-conditioning unit of the new wind pretreatment unit of band of first embodiment of the invention, and solid arrow is represented flowing of dehumidifying/humidifying solution;

Fig. 2 is the fundamental diagram according to second embodiment of the invention; Wherein, two solution dehumidification/humidification regeneration units respectively use a compressor and expansion valve, and dotted arrow is represented flow of refrigerant among the figure, and solid arrow is represented flowing of dehumidifying/humidifying solution; And

Fig. 3 is the fundamental diagram according to third embodiment of the invention; Wherein, two shared compressors of solution dehumidification/humidification regeneration unit and expansion valve, dotted arrow is represented flow of refrigerant among the figure, solid arrow is represented flowing of dehumidifying/humidifying solution.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.

Fig. 1 shows the fundamental diagram of summer operation of solution damping air-conditioning unit of the new wind pretreatment unit of band of first embodiment of the invention, promptly new wind is carried out the process of dehumidifying and cooling.This solution damping air-conditioning unit with new wind pretreatment unit comprises solution damping air-treatment unit 200 and first precooling/heater 100, and solution damping air-treatment unit 200 has first air intake passage and air-out passage; First precooling/heater 100 is positioned at the upstream of first air intake passage.Because of illustrated in fig. 1 be the fundamental diagram of summer operation, needing that new wind is carried out dehumidifying and cooling handles, when with the solution damping air-conditioning unit operation of new wind pretreatment unit, first precooling/heater 100 uses as pre-cooler, make new wind earlier by first precooling/heater 100 cooling precoolings, part condensate moisture in the new wind is with the water capacity in the new wind of first reduction, new then wind enters in first air intake passage of solution damping air-treatment unit, becoming the regeneration air that satisfies the humiture requirement behind the cool-down dehumidification once more through solution damping air-treatment unit is blown in the specific environment, avoided in the prior art the higher new wind of water capacity directly to enter dehumidifying in the solution damping air-treatment unit, cause the problem of solution damping air-treatment unit dehumidifying effect decline, improved the dehumidifying effect in summer of solution damping air-treatment unit.

Preferably, the preferred implementation of first precooling/heater 100 has been shown among Fig. 1, this first precooling/heater 100 comprises precooling/heating media flow siphunculus 110, pre-cold media flows in precooling/heating media flow siphunculus 110, pre-cold media for example can be high temperature cold water, and high temperature cold water can utilize natural cold source to obtain also to adopt electric refrigerating machine to produce.If adopt electric refrigerating machine to produce, can improve the evaporating temperature of unit and then can significantly improve the refrigerating efficiency of first precooling/heater 100, and precooling/heating media flow siphunculus do not have water generation with fixed attention, can reduce bacteria breed.Preferably, precooling/heating media flow siphunculus 110 is the coil pipe of many folding bending shapes, and to increase the precooling area, the entrance point 113 and the port of export 115 of this precooling/heating media flow siphunculus 110 are arranged on the same side, are convenient to install.Preferably, this first precooling/heater 100 also comprises housing 120, and precooling/heating media flow siphunculus 110 is mounted in the housing 120; Housing 120 has second air intake passage, and second air intake passage is communicated with successively with first air intake passage, make first air intake passage will enter solution damping air-treatment unit 200 new wind substantially all through first precooling/heater 100 to carry out precooling treatment.

Among Fig. 1, also show the preferred implementation of solution damping air-treatment unit 200, this solution damping air-treatment unit 200 comprises solution dehumidification/humidification regeneration unit and heat pump.Solution dehumidification/humidification regeneration unit comprises solution dehumidification/humidification system and solution regeneration system, and wherein, solution dehumidification/humidification system comprises solution dehumidification/humidification module C and corresponding to first solution circulation pump 21 of solution dehumidification/humidification module; Solution regeneration system comprises solution regeneration module A and corresponding to second solution circulation pump 31 of solution regeneration module A.Solution dehumidification/humidification module C is gas-liquid with solution regeneration module A and directly contacts full heat exchange module.For solution dehumidification/humidification system, new wind through after this system and solution carry out the caloic exchange, realize purpose, and reduce or increase with solution concentration after the new wind exchange to fresh air dehumidification or humidification; Solution regeneration system be used for reduce or increased concentrations after solution by after the effect of solution regeneration system, solution concentration increases or reduces, finishes the regeneration of solution, flows into solution dehumidification/humidification module C then and continues to bring into play dehumidifying or humidification to new wind.

Solution dehumidification/humidification module C comprises solution dehumidification/humidification module feed tube 22, solution dehumidification/humidification module solution tank 23, solution dehumidification/humidification module circulation pipe 24, solution dehumidification/humidification module spray chamber 25, solution dehumidification/humidification module drain pipe 26.First solution circulation pump 21 is arranged on solution dehumidification/humidification module circulation pipe 24, and solution dehumidification/humidification module spray is formed with first air intake passage on the chamber 25.Circulation is the new wind of handling through first precooling/heater 100 in first air intake passage, or new wind and the mixed gas of return air.Solution regeneration module A comprises solution regeneration module feed tube 32, solution regeneration module solution tank 33, solution regeneration module circulation pipe 34, solution regeneration module spray chamber 35, solution regeneration module drain pipe 36.Second solution circulation pump 31 is arranged on the solution regeneration module circulation pipe 34, and solution regeneration module spray is formed with the air-out passage on the chamber 35.What circulate in the air-out passage is regeneration air.

Particularly, solution dehumidification/humidification module feed tube 22 communicates with solution regeneration module drain pipe 36, and solution dehumidification/humidification module drain pipe 26 communicates with solution regeneration module feed tube 32.First port of solution dehumidification/humidification module solution tank 23 is connected with solution dehumidification/humidification module feed tube 22, and second port is connected with an end of solution dehumidification/humidification module circulation pipe 24.The other end of solution dehumidification/humidification module circulation pipe 24 is connected to the top in solution dehumidification/humidification module spray chamber 25.Solution in solution dehumidification/humidification module solution tank 23 is under the effect of first solution circulation pump 21, to be pumped to the top in solution dehumidification/humidification module spray chamber 25 from the solution that solution dehumidification/humidification module solution tank 23 second ports flow out by solution dehumidification/humidification module circulation pipe 24, to spray, and the solution behind the spray is collected to the bottom in solution dehumidification/humidification module spray chamber 25, enters in the solution regeneration module feed tube 32 after solution dehumidification/humidification module drain pipe 26 flows out then.

First port of solution regeneration module solution tank 33 is connected with solution regeneration module feed tube 32, and second port is connected with first end of solution regeneration module circulation pipe 34.Second end of solution regeneration module circulation pipe 34 is connected to the top in solution regeneration module spray chamber 35, solution in the solution regeneration module solution tank 33 is under the effect of second solution circulation pump 31, to be pumped to the top in solution regeneration module spray chamber 35 from the solution that solution regeneration module solution tank 33 second ports flow out by solution regeneration module circulation pipe 34, to spray, and the solution behind the spray is collected to the bottom in solution regeneration module spray chamber 35, enters in solution dehumidification/humidification module feed tube 22 after flowing out by solution regeneration module drain pipe 36 then.

Heat pump comprises: by compressor 41, cross valve, first heat exchanger 43, expansion valve 45 and second heat exchanger 47 of pipeline connection; First heat exchanger 43 is arranged on solution dehumidification/humidification module circulation pipe 24 so that first heat exchanger 43 with carry out heat exchange from the solution that solution dehumidification/humidification module solution tank 23 flows out; Second heat exchanger 47 is arranged on the solution regeneration module circulation pipe 34, so that second heat exchanger 47 carries out heat exchange with the solution that flows out from solution regeneration module solution tank 33.First heat exchanger 43 can be evaporimeter or condenser, and second heat exchanger 47 can be condenser or evaporimeter, and according to the needs of summer operation and winter operation, evaporimeter and condenser exchange.Preferably, first heat exchanger 43 is between the solution dehumidification/humidification module solution tank 23 and first solution circulation pump 21; Second heat exchanger 47 is between the solution regeneration module solution tank 33 and second solution circulation pump 31.In embodiment illustrated in fig. 1, be example with the summer operation, promptly first heat exchanger 43 is as evaporimeter, and second heat exchanger 47 uses as condenser.

Describe operation principle below in detail, promptly the mixing wind of new wind or new wind and return air carried out the process of dehumidifying and cooling according to the summer operation of first embodiment of the invention:

The cyclic process of heat pump is as described below: compressor 41 starts, to the cryogenic refrigeration working medium processing of coming from evaporimeter 43 circulations, make refrigeration working medium become the high temperature refrigeration working medium, the high temperature refrigeration working medium flow in the condenser 47, then by becoming cryogenic refrigeration working medium behind the expansion valve 45, flow to then in the evaporimeter 43, and then be back to reprocessing in the compressor 41, circulate with this by evaporimeter 43.

Solution cyclic process in solution dehumidification/humidification module C and the solution regeneration module A is as described below: 1) solution dehumidification/humidification module at solution dehumidification/humidification module C sprays the low temperature weak solution that sprays the back in the chamber 25 and compile, by solution dehumidification/humidification module drain pipe 26, solution regeneration module feed tube 32 is circulated in the solution regeneration module solution tank 33 of solution regeneration module A, solution in above-mentioned low temperature weak solution and the solution regeneration module solution tank 33 mixes, high temperature refrigeration working medium heat exchange in mixed solution and the condenser 47, mixed solution is heated, the higher solution that still contains certain moisture of formation temperature, pyrosol is under the effect of solution circulation pump 31 then, be pumped to the top spray in solution regeneration module spray chamber 35 from the solution regeneration module circulation line 34 that is communicated with solution regeneration module solution tank 33, and carry out caloic exchange with the regeneration air that will discharge, moisture in the solution enters regeneration air, solution by with the heat transfer process of condenser 47 and with the heat transfer process of regeneration air, the higher concentrated solution of self simmer down to concentration.And drain into outdoorly after the solution heat exchange of regeneration air by air-out passage and spray, and regeneration air absorbs heat simultaneously, and temperature is higher, and it is too low easily in the phenomenon of air outlet condensation because of temperature to have improved the regeneration air of discharging in the prior art.2) the high temperature concentrated solution behind the spray is by solution regeneration module drain pipe 36, solution dehumidification/humidification module feed tube 22 enters in solution dehumidification/humidification module solution tank 23 of solution dehumidification/humidification module C, mix with the solution in solution dehumidification/humidification module solution tank 23, cryogenic refrigeration working medium heat exchange in mixed solution and the evaporimeter 43, after being cooled, the high temperature concentrated solution is the low temperature concentrated solution, the low temperature concentrated solution is under the effect of solution circulation pump 21, be pumped to the top spray in solution dehumidification/humidification module spray chamber 24 from the solution dehumidification/humidification module circulation line 24 that is communicated with solution dehumidification/humidification module solution tank 23, at this moment, the air that needs dehumidifying is during by first air intake passage and the low temperature concentrated solution heat exchange of spray, airborne moisture is absorbed or condensation by the low temperature concentrated solution, reaches the dehumidifying purpose.And the absorption of the low temperature concentrated solution behind spray moisture is thinning, flow among the solution regeneration module A repeating step 1 then), reach the concentrated regeneration of solution, thereby form the circulation of solution dehumidification, regeneration.

As described below respectively to new wind in the inlet chamber and the processing procedure of sending outdoor regeneration wind: new wind is at first through first precooling/heater 100, with the high temperature cold water heat exchange precoolings of circulation in the precooling/heating media flow siphunculus 110 with first cool-down dehumidification, pretreated new wind then enters in first air intake passage of solution dehumidification/humidification module C, after the lower concentrated solution caloic exchange of temperature, further cool-down dehumidification, mix with indoor return air then, in the inlet chamber.

Preferably, also be provided with second precooling/heater 600, carry out just delivering to after again cool-down dehumidification is handled indoor with mixing wind, and then improve the cool-down dehumidification ability of entire system new wind and return air in the downstream of first air intake passage.Certainly, second precooling/heater 600 can be identical with first precooling/heater 100 structures, also can be with inequality with first precooling/heater 100 structures.Regeneration air is then outdoor by discharging in the air-out passage of solution regeneration module A, when regeneration air passes through the air-out passage of solution regeneration module A, the solution heat exchange that regeneration air and temperature are higher, improved the temperature of regeneration air on the one hand, also played the effect of cool-down dehumidification on the other hand, further improved the concentration of solution the solution of spray.

Need to prove that the solution damping air-conditioning unit of the new wind pretreatment unit of band according to the present invention can also can be the new blower fan group of solution damping for the full air unit of solution damping.When using, generally do not need second precooling/heater 600 as the new blower fan group of solution damping.

By foregoing description as can be seen, the present invention utilizes 43 pairs of dehumidifying of evaporimeter concentrated solution of heat pump to cool off, to strengthen the latent heat that discharges in solution dehumidification ability and the absorption dehumidifying process when summer operation on the one hand; Utilize 47 pairs of regeneration of the condenser weak solution of heat pump to heat on the other hand, carry out full heat exchange with regeneration air again, solution promptly is concentrated regeneration.

Preferably, solution dehumidification/humidification regeneration unit also comprises: the 3rd heat exchanger 50 is connected with solution dehumidification/humidification module C and is connected with solution regeneration module A.For example, solution dehumidification/humidification module feed tube 22 and solution regeneration module drain pipe 36 are same pipeline (pipeline 1), solution dehumidification/humidification module drain pipe 26 and solution regeneration module feed tube 32 are same pipeline (pipeline 2), referring to Fig. 1, above-mentioned pipeline 1 and pipeline 2 do not communicate but all pass through the 3rd heat exchanger 50, make between the higher concentrated solution of the temperature that flows out from solution regeneration module A and the lower weak solution of the temperature that flows out from solution dehumidification/humidification module C by the 3rd heat exchanger 50 recovery heats, the 3rd heat exchanger 50 for example is a plate type heat exchanger.

Preferably, also be provided with water compensating valve 51 on the solution regeneration module A, be used to control the solution concentration in the solution regeneration module A, with the humidity of control moisture removal and air-supply.The top in solution dehumidification/humidification module spray chamber 25 is provided with spray equipment 27, the top in solution regeneration module spray chamber 35 is provided with spray equipment 37, to improve the spray effect respectively spray chamber solution, further improve the solution of dehumidifying and regeneration solution utilize effect.

Preferably, above-mentioned solution dehumidification/humidification module solution tank 23 and solution regeneration module solution tank 33 are separately positioned on the below that corresponding solution dehumidification/humidification module sprays chamber 25, solution regeneration module spray chamber 35.In addition, above-mentioned solution dehumidification/humidification module solution tank 23 and solution regeneration module solution tank 33 can replace with other forms of container.

Need to prove that summer operation principle of the present invention has mainly been described in description above, will describe winter operation principle of the present invention below that winter operation needs that new wind is carried out heating and moistening and handles.

The principle and the summer of winter operation of the present invention are similar, comparison diagram 1, difference is to make the flow direction of cold-producing medium opposite by the cross valve switching that is arranged at heat pump, first heat exchanger 43 uses as condenser, second heat exchanger 47 uses as evaporimeter, first precooling/heater 100 is used for new wind is preheated, and second precooling/heater 600 is used for the mixing wind of new wind and return air is heated once more.Solution among solution dehumidification/humidification module C in the spray chamber is used for new wind heating and moistening, and the solution among the solution regeneration module A in the spray chamber is used for the regeneration air cool-down dehumidification.Circulation is hot water in many foldings bending coil pipe of first precooling/heater 100, second precooling/heater 600.With respect to summer operation, when the present invention moves in the winter time, change the flow direction of cold-producing medium by the cross valve that switches heat pump, make that the solution that sprays among solution dehumidification/humidification module C is the high temperature weak solution, behind the colder dry new wind and the heat exchange of high temperature weak solution, new wind is heated humidification, and solution cooling concentration uprises simultaneously; The solution that sprays among the solution regeneration module A is the low temperature concentrated solution, and after regeneration air and the heat exchange of low temperature concentrated solution, the regeneration air reducing temperature and humidity is avoided the empty outer back of regeneration air discharge to meet with cold air and the condensation phenomenon occurred.

The second embodiment of the present invention has been shown among Fig. 2, in the present embodiment, the circulation pattern of cold-producing medium is the summer operation pattern, be with the difference of above-mentioned first embodiment, this solution damping air-conditioning unit with new wind pretreatment unit comprises two solution dehumidifications/humidification regeneration unit (being two-stage solution dehumidification/humidification), particularly, the left side is a solution dehumidification/humidification regeneration unit among the figure, comprises solution dehumidification/humidification module C, solution regeneration module A and a corresponding heat pump; The right is a solution dehumidification/humidification regeneration unit among the figure, comprise solution dehumidification/humidification module D, solution regeneration module B and a corresponding heat pump, two solution dehumidification/humidification regeneration unit structures are identical, to realize the dehumidification process of multistage different temperatures and concentration.First air intake passage in the solution dehumidification of each solution dehumidification/humidification regeneration unit/humidification module spray chamber connects successively along the air intake direction; The air-out passage in the solution regeneration module spray chamber of each solution dehumidification/humidification regeneration unit connects successively along air-out direction.First precooling/heater 100 is positioned at the upstream of formed first air intake passage of solution dehumidification/humidification module C, and second precooling/heater 600 is positioned at the downstream of formed first air intake passage of solution dehumidification/humidification module D.By adjusting the water compensating valve of each solution dehumidification/humidification regeneration unit, the concentration of the dehumidification solution of solution dehumidification/humidification systems at different levels is controlled in suitable moisturizing, realization is to the progressively dehumidifying and the cooling of air, and can reach the moisture removal of accurate each grade of control module and the effect of final air-supply humidity.

Present embodiment is an example at summer operation, adopt the present invention by regulating the cold of each evaporimeter of refrigeration system, can regulate the temperature of dehumidification solutions at different levels, control the concentration of dehumidification solutions at different levels simultaneously by suitable moisturizing, realization is to the progressively dehumidifying and the cooling of air, to reduce the irreversible loss of cool-down dehumidification process, improve the Energy Efficiency Ratio (COP) of unit.Thereby solved air and liquid inventory than being difficult to satisfy simultaneously heat and mass and problem, and then reduced the irreversible loss of air handling process, increased substantially treatment effeciency near reversible process.Full air unit with respect to adopting traditional dehumidification by condensation has the considerable energy saving advantage, and fractional energy savings is greater than 30%.When present embodiment moved in the winter time, the winter operation principle of the principle and first preferred embodiment was similar, does not repeat them here.

The third embodiment of the present invention has been shown among Fig. 3, in the present embodiment, the circulation pattern of cold-producing medium is the summer operation pattern, is two shared compressors of solution dehumidification/humidification regeneration unit and 41 1 expansion valves 45 with the difference of above-mentioned second embodiment.Cold-producing medium enters each condenser through behind the compressor respectively by parallel pipeline, converges with outflow condenser after the solution heat exchange, through behind the expansion valve, enters each evaporimeter respectively solution is cooled off.When present embodiment moved in the winter time, the winter operation principle of the principle and first preferred embodiment was similar, does not repeat them here.Like this, satisfying under the situation of dehumidifying effect, reducing the setting of a compressor and an expansion valve, the place of having reduced hold facility has reduced cost.

Need to prove that the present invention also can adopt solution dehumidification/humidification regeneration unit of three or more, to adapt to higher requirement.In each solution dehumidification/humidification regeneration unit, each air-supply passage is connected in series, and each first air exhaust passage is connected in series.The number of evaporimeter and condenser equals the number of solution dehumidification/humidification regeneration unit; One group of evaporimeter that is connected and condenser can adopt and compressor mode one to one, also can only adopt a driven compressor.Physical device adopts any pattern, for summer operation, depends on the capacity of concrete air dewetting, amount of cooling water and heat pump.By regulating the cold of each evaporimeter of heat pump, can regulate the temperature of dehumidification solutions at different levels, control the concentration of dehumidification solutions at different levels by regulating water compensating valve simultaneously, realize progressively dehumidifying and cooling air, to reduce the irreversible loss of process, improve the Energy Efficiency Ratio (COP) of unit.

In sum, adopt technical scheme of the present invention, for summer operation, first precooling/the heater 100 and second precooling/heater 600 all adopts the high temperature cold water that circulates in the bending coil pipe to cool off, cold machine evaporating temperature improves, thereby the raising of the refrigerating efficiency of precooling, this portion C OP (containing distributing system) can reach more than 5.0.Adopt multi-stage solution dehumidifying/humidification regeneration techniques in solution damping section, this portion C OP (containing distributing system) can reach more than 4.0.And conventional full air unit adopts conventional chilled water coil that air is carried out cool-down dehumidification, and its COP (containing distributing system) is about 3.0.On the whole, adopting the solution damping air-conditioning unit of the new wind pretreatment unit of band of the present invention to compare conventional full air unit can save energy more than 30%.

The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. the solution damping air-conditioning unit with new wind pretreatment unit is characterized in that, comprises solution damping air-treatment unit (200) and first precooling/heater (100); Described solution damping air-treatment unit (200) has first air intake passage and air-out passage; Described first precooling/heater (100) is positioned at the upstream of described first air intake passage.
2. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 1 is characterized in that described first precooling/heater (100) comprises precooling/heating media flow siphunculus (110).
3. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 2, it is characterized in that, described precooling/heating media flow siphunculus (110) is many folding bending shapes, and the entrance point (113) and the port of export (115) of described precooling/heating media flow siphunculus (110) are arranged on the same side.
4. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 3, it is characterized in that, described first precooling/heater (100) also comprises housing (120), and described precooling/heating media flow siphunculus (110) is mounted in the described housing (120); Described housing (120) has second air intake passage, and described second air intake passage is communicated with successively with described first air intake passage.
5. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 1 is characterized in that,
Described solution damping air-treatment unit (200) comprises solution dehumidification/humidification regeneration unit and heat pump;
Described solution dehumidification/humidification regeneration unit comprises solution dehumidification/humidification system and solution regeneration system,
Described solution dehumidification/humidification system comprises: solution dehumidification/humidification module (C) and corresponding to first solution circulation pump (21) of described solution dehumidification/humidification module;
Described solution regeneration system comprises: solution regeneration module (A) and corresponding to second solution circulation pump (31) of described solution regeneration module (A);
Described solution dehumidification/humidification module (C) comprising: solution dehumidification/humidification module spray chamber (25); Solution dehumidification/humidification module feed tube (22); Solution dehumidification/humidification module solution tank (23), first port that it has with described solution dehumidification/humidification module feed tube (22) is connected; Solution dehumidification/humidification module circulation pipe (24), an end is connected with second port of described solution dehumidification/humidification module solution tank (23), and the other end is connected to the top in described solution dehumidification/humidification module spray chamber (25); Solution dehumidification/humidification module drain pipe (26) is connected to the bottom that described solution dehumidification/humidification module sprays chamber (25);
Be formed with described first air intake passage on described solution dehumidification/humidification module spray chamber (25); Described first solution circulation pump (21) is arranged on described solution dehumidification/humidification module circulation pipe (24), is used for the solution pump that flows out from described solution dehumidification/humidification module solution tank (23) second ports is delivered to the top in described solution dehumidification/humidification module spray chamber (25);
Described solution regeneration module (A) comprising: solution regeneration module spray chamber (35); Solution regeneration module feed tube (32); Solution regeneration module solution tank (33), it has first port that is connected with described solution regeneration module feed tube (32); Solution regeneration module circulation pipe (34), an end is connected with second port of described solution regeneration module solution tank (33), and the other end is connected to the top in described solution regeneration module spray chamber (35); Solution regeneration module drain pipe (36) is connected to the bottom that described solution regeneration module sprays chamber (35);
Be formed with described air-out passage on the described solution regeneration module spray chamber (35); Described second solution circulation pump (31) is arranged on the described solution regeneration module circulation pipe (34), is used for the solution pump that flows out from described solution regeneration module solution tank (33) second ports is delivered to the top in described solution regeneration module spray chamber (35);
Described solution dehumidification/humidification module feed tube (22) communicates with described solution regeneration module drain pipe (36), and described solution dehumidification/humidification module drain pipe (26) communicates with described solution regeneration module feed tube (32);
Described heat pump comprises: by compressor (41), cross valve, first heat exchanger (43), expansion valve (45) and second heat exchanger (47) of pipeline connection;
Described first heat exchanger (43) is arranged on described solution dehumidification/humidification module circulation pipe (24), so that described first heat exchanger (43) carries out heat exchange with the solution that flows out from described solution dehumidification/humidification module solution tank (23);
Described second heat exchanger (47) is arranged on the described solution regeneration module circulation pipe (34), so that described second heat exchanger (47) carries out heat exchange with the solution that flows out from described solution regeneration module solution tank (33).
6. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 5, it is characterized in that, described solution dehumidification/humidification regeneration unit is a plurality of, and first air intake passage in the solution dehumidification of each described solution dehumidification/humidification regeneration unit/humidification module spray chamber (25) connects successively along the air intake direction; The air-out passage in the solution regeneration module spray chamber (35) of each described solution dehumidification/humidification regeneration unit connects successively along air-out direction; Described heat pump is a plurality of, described a plurality of heat pumps and described a plurality of solution dehumidifications/corresponding one by one coupling of humidification regeneration unit.
7. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 6 is characterized in that the described compressor (41) of each described heat pump is same compressor; The described expansion valve (45) of each described heat pump is same expansion valve.
8. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 5, it is characterized in that, described solution dehumidification/humidification regeneration unit also comprises: the 3rd heat exchanger (50) is connected with described solution dehumidification/humidification module (C) and is connected with described solution regeneration module (A); Also be provided with water compensating valve (51) on the described solution regeneration module (A); The top in described solution dehumidification/humidification module spray chamber (25) and described solution regeneration module spray chamber (35) is provided with spray equipment (27,37).
9. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 8 is characterized in that, described solution dehumidification/humidification module feed tube (22) and described solution regeneration module drain pipe (36) are communicated with by described the 3rd heat exchanger (50); Described solution dehumidification/humidification module drain pipe (26) and described solution regeneration module feed tube (32) are communicated with by described the 3rd heat exchanger (50).
10. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 9 is characterized in that, described first heat exchanger (43) is positioned between described solution dehumidification/humidification module solution tank (23) and described first solution circulation pump (21); Described second heat exchanger (47) is positioned between described solution regeneration module solution tank (33) and described second solution circulation pump (31).
11. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 1 is characterized in that also comprise second precooling/heater (600), described second precooling/heater (600) is positioned at the downstream of described first air intake passage.
12. the solution damping air-conditioning unit of the new wind pretreatment unit of band according to claim 11 is characterized in that, described second precooling/heater (600) is identical with described first precooling/heater (100) structure.
CN2011101835974A 2011-06-30 2011-06-30 Solution humidifying air conditioning unit with fresh air pretreatment device CN102252380A (en)

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CN102927630A (en) * 2012-11-07 2013-02-13 刘拴强 Total heat recovery type heating and humidifying fresh air handling unit
CN103994525A (en) * 2014-06-10 2014-08-20 青岛微恒工程有限公司 Constant-temperature constant-humidity air conditioning device achieving two-way utilization of energy
CN104296242A (en) * 2014-09-03 2015-01-21 安徽华通铸业有限公司 Cabinet type split solution humidifying fresh air air-conditioner
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CN104654479A (en) * 2015-02-06 2015-05-27 清华大学 Heat pump-driven multistage solution dehumidification fresh air processing set
CN104791971A (en) * 2015-04-29 2015-07-22 清华大学 Multifunctional heat recovery heat exchanger and running method thereof
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CN106051975A (en) * 2016-06-08 2016-10-26 东南大学 Frostless air source heat pump device and method based on membrane method dehumidification and indoor regeneration humidification
CN104296242B (en) * 2014-09-03 2017-01-04 安徽华通铸业有限公司 Cabinet type split solution humidifying fresh air air conditioner for machine

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CN102563770A (en) * 2012-01-11 2012-07-11 谢斯捷 Fresh air handling unit with integrated functions of dehumidification and evaporative cooling and air treatment method of fresh air handling unit
CN102538087A (en) * 2012-02-09 2012-07-04 北京华创瑞风空调科技有限公司 Solution humidifying all-air unit with total-heat recovering device and solution humidifying method
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CN102538104B (en) * 2012-02-16 2014-04-30 谢斯捷 Air conditioning unit combining dehumidification with evaporative cooling and air handling method thereof
CN102901159A (en) * 2012-11-06 2013-01-30 刘拴强 Solution heating and humidifying air-conditioning unit
CN102901159B (en) * 2012-11-06 2015-03-11 刘拴强 Solution heating and humidifying air-conditioning unit
CN102927630B (en) * 2012-11-07 2016-04-13 刘拴强 Total heat recovery type warming and humidifying Fresh air handling units
CN102927630A (en) * 2012-11-07 2013-02-13 刘拴强 Total heat recovery type heating and humidifying fresh air handling unit
CN103994525A (en) * 2014-06-10 2014-08-20 青岛微恒工程有限公司 Constant-temperature constant-humidity air conditioning device achieving two-way utilization of energy
CN103994525B (en) * 2014-06-10 2016-08-24 青岛微恒工程有限公司 It is a kind of that the energy is two-way utilizes constant temperature and humidity conditioner
CN104296242A (en) * 2014-09-03 2015-01-21 安徽华通铸业有限公司 Cabinet type split solution humidifying fresh air air-conditioner
CN104296242B (en) * 2014-09-03 2017-01-04 安徽华通铸业有限公司 Cabinet type split solution humidifying fresh air air conditioner for machine
CN104566719A (en) * 2014-12-29 2015-04-29 北京格瑞力德空调科技有限公司 Anti-freezing air conditioner
CN104566734A (en) * 2015-02-02 2015-04-29 清华大学 Inner-cooling type solution desiccant fresh air unit driven by heat pump
CN104654479A (en) * 2015-02-06 2015-05-27 清华大学 Heat pump-driven multistage solution dehumidification fresh air processing set
CN104654479B (en) * 2015-02-06 2017-09-26 清华大学 A kind of heat pump driven multi-stage solution dehumidifying Fresh air handing unit
CN104791971A (en) * 2015-04-29 2015-07-22 清华大学 Multifunctional heat recovery heat exchanger and running method thereof
CN104791971B (en) * 2015-04-29 2017-10-24 清华大学 A kind of multi-functional heat recovering heat exchanger and its operation method
CN105605755A (en) * 2016-03-14 2016-05-25 青岛微恒工程有限公司 Constant temperature and humidity air-conditioning device
CN106051975A (en) * 2016-06-08 2016-10-26 东南大学 Frostless air source heat pump device and method based on membrane method dehumidification and indoor regeneration humidification

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Application publication date: 20111123