CN201582926U - Solution moisture-temperature control fresh air air-conditioning unit - Google Patents

Solution moisture-temperature control fresh air air-conditioning unit Download PDF

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Publication number
CN201582926U
CN201582926U CN2009202738414U CN200920273841U CN201582926U CN 201582926 U CN201582926 U CN 201582926U CN 2009202738414 U CN2009202738414 U CN 2009202738414U CN 200920273841 U CN200920273841 U CN 200920273841U CN 201582926 U CN201582926 U CN 201582926U
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CN
China
Prior art keywords
solution
water
heat exchanger
air
fresh air
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CN2009202738414U
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Chinese (zh)
Inventor
吕智
丁力行
邓玉艳
刘波
刘湘辉
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佛山市浩特普尔人工环境设备有限公司
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Abstract

A solution moisture-temperature control fresh air air-conditioning unit comprises a solution regeneration processing unit and a fresh air processing unit which are respectively arranged in an exhaust processing channel and a fresh air processing channel; the solution output end of the fresh air processing unit is connected with the solution input end of the solution regeneration processing unit through a second solution pump, a solution heat exchanger and a first water/solution heat exchanger; the solution output end of the solution regeneration processing unit is connected with the solution input end of the fresh air processing unit through a first solution pump, a solution heat exchanger and a second water/solution heat exchanger; the first and second water/solution heat exchangers are respectively provided with water inlet and outlet ports and are respectively communicated with a water inlet port through a cold or hot water supply pipe, an air/water heat exchanger is arranged on the air outlet part of the fresh air processing channel, the water inlet and outlet of the air/water heat exchanger are connected with the water inlet and outlet ports of the first water/solution heat exchanger through an electric tee valve. The solution moisture-temperature control fresh air air-conditioning unit adopts the electric tee valve to control the flow rate of the cold/hot water in the air/water heat exchanger, and further regulates the temperature of the fresh air.

Description

Solution damping temperature control fresh air conditioner unit

Technical field

The utility model relates to filed of air conditioning, particularly a kind of solution damping temperature control fresh air conditioner unit.

Background technology

China's civil buildings air-conditioning system mostly adopts new return air mixed mode, because most of air is in indoor circulation, being discharged to of making that pollutant can not be very fast is outdoor, harm humans health.Strengthen the resh air requirement method of operation of brand-new wind (or adopt), can indoor harmful substance dilute and discharge outdoorly, obviously improve indoor air quality.But then, the increase of resh air requirement makes new wind handle energy consumption increases greatly.To the at present freeze drying modes that adopt of processing mode of air, there is the drawback of the following aspects in this air conditioning mode: one, need drop to dew-point temperature to air, be lower than the requirement of indoor air-supply, need heat again, cause heat loss more in addition; Two, for lower refrigerant temperature is provided, need lower evaporating temperature, the efficient of refrigeration machine is also decreased; Three, be difficult to adapt to the variation of heat moisture ratio.Air is cooled off and dehumidify by condensing mode, the sensible heat of its absorption and latent heat are than can only changing in certain scope, and the heat moisture ratio of building actual needs changes in the larger context.Generally be the control of sacrificing, compromise, cause the too high or too low phenomenon of indoor relative humidity by the requirement of only satisfying indoor temperature to humidity; Four, because of the existence of condensed water, the surface of coil pipe has formed the hotbed that grows various moulds, has worsened indoor air quality, causes multiple Cure of Sick Building Syndrome.

With professor Jiang Yi is the Tsing-Hua University and the units concerned of representative, and system development goes out humiture independence control air conditioner system, and it basic composition is: handle the system and the system that handles latent heat of sensible heat, two system's independent regulation are temperature and the humidity in the control room respectively.Handle the system of sensible heat because the temperature of its water supply is higher than the dew-point temperature of room air, thereby do not have the danger of dewfall.The fresh air processor group is born simultaneously and is removed indoor CO2, peculiar smell as the system that handles latent heat, to guarantee the task of IAQ.

In the humiture independence control air conditioner system, need the fresh air processor group that dry outdoor new wind is provided, to satisfy hydrofuge, row CO2, to arrange the demand of distinguishing the flavor of and fresh air being provided.Adopting the rotary wheel dehumidifying mode, is a kind of possible solution route, promptly is attached to the wheel surface that aglite is made with hygroscopic materials such as silica gel, molecular sieves.But the essence that the rotary dehumidifier utilization efficiency of heat energy is low is dehumidifying all is constant-enthalpy process and non-isothermal process with these two processes of regeneration, and psychrometric difference between wheel surface and air and temperature difference are all very inhomogeneous, cause very big irreversible loss.Another dehumidification mode is that air directly contacts (as lithium-bromide solution, lithium chloride solution etc.) with the salting liquid with moisture absorption, airborne steam is absorbed by salting liquid, thereby realize the dehumidifying of air, the salting liquid after the moisture absorption need concentrate regeneration and just can reuse.Adopt the solution moisture absorption, can make air solution contact surface simultaneously as heat exchange surface, the opposite side on the surface inserts cold water or hot water, realizes the purpose of the absorption or the additional heat of transformation, thereby realizes moisture absorption and regenerative process near isothermal; Can also adopt the wet crosspoint of solution air heat that has Intermediate Heat Exchanger.Be cross-current between solution and the water, if the internal circulating load of solution is enough big in the unit, the humidity variable quantity of air by such unit again hour, its irreversible loss can significantly reduce.

The hygroscopic solution that utilizes that Chinese patent literature CN2811816Y discloses on August 30th, 2006 that a kind of HVAC uses is that the heat recovery type fresh air of cycle fluid is handled unit, but described fresh air processor group contains the unit spray module of heat reclamation device and temperature adjustment; Described heat reclamation device is made up of the direct contact modules of gas-liquid, plate type heat exchanger, solution self-circulating pump, unit circulating pump, water compensating valve; But the unit spray module of described temperature adjustment is made up of plate type heat exchanger, the direct contact modules G of gas-liquid, solution self-circulating pump.This structure is not accurate enough to the temperature control of new wind output, is difficult to reach customer requirements.

The utility model content

The purpose of this utility model aim to provide a kind of simple and reasonable, energy consumption is low, the solution damping temperature control fresh air conditioner unit of new wind output temperature precise control, to overcome weak point of the prior art.

By a kind of solution damping temperature control fresh air conditioner unit of this purpose design, comprise solution regeneration processing unit and fresh air unit, it is separately positioned in air draft treatment channel and the new wind treatment channel; The solution output of fresh air unit is connected with the solution input of solution regeneration processing unit by second solution pump, solution heat exchanger, first water/solution heat exchanger; The solution output of solution regeneration processing unit is connected with the solution input of fresh air unit by first solution pump, solution heat exchanger, second water/solution heat exchanger; First water/solution heat exchanger, second water/solution heat exchanger are respectively arranged with the water-in and water-out interface, and be communicated with the water inlet interface by cold water feed pipe or hot water feeding pipe respectively, realize carrying out heat exchange with solution, its architectural feature is that the air outlet place of new wind treatment channel is provided with the air/water heat exchanger, the air/water heat exchanger is provided with water inlet and delivery port, water inlet is connected with the water outlet interface of first water/solution heat exchanger by electric T-shaped valve, and delivery port is communicated with the other end of electric T-shaped valve and the water inlet interface of first water/solution heat exchanger simultaneously.

Described air draft treatment channel and new wind treatment channel are separately positioned on the upper and lower of unit.

Described solution regeneration processing unit comprises that the below is provided with the first solution total-heat exchanger of first solution pool, and its solution output is communicated with first solution pool, and the solution input is communicated with spray head in the first solution total-heat exchanger; Fresh air unit comprises that the below is provided with the second solution total-heat exchanger of second solution pool, and its solution output is communicated with second solution pool, and the solution input is communicated with spray head in the second solution total-heat exchanger.

The control method of solution damping temperature control fresh air conditioner unit, it is characterized in that new distinguished and admirable through the second solution total-heat exchanger, carry out the caloic exchange with the spray solution of being cooled off by second water/solution heat exchanger or heat, by the damping temperature adjustment, pass through the air/water heat exchanger then, new wind-warm syndrome degree further is conditioned, reaches the ventilation state of designing requirement; Second solution pump is sent the solution of fresh air unit into solution regeneration processing unit, after solution hot water or cold water heating or is cooled off in first water/solution heat exchanger, send into the first solution total-heat exchanger and air draft and carry out caloic exchange, solution is concentrated or dilutes, return to original state.

When the water inlet interface of described first water/solution heat exchanger feeds the water inlet interface feeding cold water of hot water, second water/solution heat exchanger, moist, sultry is outdoor new distinguished and admirable through the full heat exchange of second solution, sprayed through the cooled weak solution of the cold water in second water/solution heat exchanger, new wind and solution carry out the caloic exchange, lowered the temperature by solution dehumidification, pass through the air/water heat exchanger then; The flow of electric three passes valve regulation cold water is conditioned new wind-warm syndrome degree, and dry and comfortable, the refrigerant air that reaches designing requirement is admitted to air-conditioned room.

When the water inlet interface of described first water/solution heat exchanger feeds the water inlet interface feeding hot water of cold water, second water/solution heat exchanger, dry, cold is outdoor new distinguished and admirable through the full heat exchange of second solution, by the solution spraying after heating through the hot water in second water-solution heat exchanger, new wind and solution carry out the caloic exchange, heated up by the solution humidification, pass through the air/water heat exchanger then, the flow of electric three passes valve regulation hot water, new wind-warm syndrome degree is conditioned, and moistening, the warm air that reaches designing requirement is admitted to air-conditioned room.

The utility model adopts liquid dehumidifying technical finesse air conditioner fresh air, has realized the adjusting to air conditioner fresh air humidity, and has utilized the air/water heat exchanger, regulates new wind-warm syndrome degree.Can remove the dust and the bacterium of carrying secretly in the air by the spray of solution, play the effect that purifies air, improve indoor air quality.Unit can reclaim the energy of indoor exhaust wind, has reduced new wind and has handled energy consumption.It is simple and reasonable, energy consumption is low, the precise control of new wind output temperature.

Description of drawings

Fig. 1 is the utility model one embodiment one operation principle schematic diagram.

Fig. 2 is another operation principle schematic diagram of the utility model.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Referring to Fig. 1, this solution damping temperature control fresh air conditioner unit comprises solution regeneration processing unit and fresh air unit, and it is separately positioned in air draft treatment channel and the new wind treatment channel; The solution output of fresh air unit is connected with the solution input of solution regeneration processing unit by second solution pump 5, solution heat exchanger 7, first water/solution heat exchanger 10; The solution output of solution regeneration processing unit is connected with the solution input of fresh air unit by first solution pump 11, solution heat exchanger 7, second water/solution heat exchanger 8; First water/solution heat exchanger 10, second water/solution heat exchanger 8 are respectively arranged with the water-in and water-out interface, and be communicated with the water inlet interface by cold water feed pipe or hot water feeding pipe respectively, realize carrying out heat exchange with solution, the air outlet place of new wind treatment channel is provided with air/water heat exchanger 6, the air/water heat exchanger is provided with water inlet and delivery port, water inlet is connected with the water outlet interface of first water/solution heat exchanger 10 by electric T-shaped valve 9, and delivery port is communicated with the other end of electric T-shaped valve and the water inlet interface of first water/solution heat exchanger 10 simultaneously.Air draft treatment channel and new wind treatment channel are separately positioned on the upper and lower of unit.Solution regeneration processing unit comprises that the below is provided with the first solution total-heat exchanger 1 of first solution pool 2, and its solution output is communicated with first solution pool 2, and the solution input is communicated with spray head in the first solution total-heat exchanger 1; Fresh air unit comprises that the below is provided with the second solution total-heat exchanger 4 of second solution pool 3, and its solution output is communicated with second solution pool 3, and the solution input is communicated with spray head in the second solution total-heat exchanger 4.

Among the figure, arrow a is the hot water flow direction, and arrow b is the cold water flow direction.

Its operation principle is:

One, summer operation

Referring to Fig. 1, in summer, first water/solution heat exchanger 10 feeds hot water, and second water/solution heat exchanger 8 feeds cold water.Water capacity and temperature all are higher than the outdoor new distinguished and admirable through the full heat exchange 4 of second solution of room air state, sprayed through the cooled weak solution of the cold water in second water/solution heat exchanger 8, new wind and solution carry out the caloic exchange, lowered the temperature by solution dehumidification, pass through air/water heat exchanger 6 then, electric T-shaped valve 9 is regulated the flow of cold water, and new wind-warm syndrome degree is conditioned, and dry and comfortable, the refrigerant air that reaches designing requirement is admitted to air-conditioned room.

Weak solution after the moisture absorption need heat concentrated through first water/solution heat exchanger 10, and concentrated solution need be through second water/solution heat exchanger 8 coolings, to strengthen the latent heat that produces in its wettability power and the absorption dehumidifying process.By solution heat exchanger 7, weak solution and concentrated solution are carried out exchange heat each other before the water-solution heat exchanger that enters separately, reclaim heat, and the weak solution temperature is raise, and the concentrated solution temperature reduces.Therefore, the weak solution that has absorbed new geomantic omen branch in second solution pool 3 is under the effect of second solution pump 5, earlier through the solution heat exchanger heating, enter solution regeneration processing unit again, heated by hot water in first water/solution heat exchanger 10, solution sprays above the first solution total-heat exchanger 1, carries out the caloic exchange with air draft, solution is concentrated regeneration, and discharge was outdoor after air draft absorbed its heat and steam; Concentrated solution after the regeneration flows back to first solution pool 2, deliver to solution heat exchanger 7 and second water/solution heat exchanger 8 coolings by first solution pump 11, enter the second solution total-heat exchanger, 4 tops spray then, carry out the caloic exchange with new wind, the moisture that has absorbed new wind becomes weak solution and gets back to solution pool 3, so circulation.

Two, winter operation

Referring to Fig. 2, in winter, first water/solution heat exchanger 10 feeds cold water, and second water/solution heat exchanger 8 feeds hot water.Dry, cold is outdoor new distinguished and admirable through the full heat exchange 4 of second solution, by the solution spraying after heating through the hot water in second water/solution heat exchanger 8, new wind and solution carry out the caloic exchange, new wind is heated up by the solution humidification, pass through air/water heat exchanger 6 then, electric T-shaped valve 9 is regulated the flow of hot water, and new wind-warm syndrome degree is conditioned, and reaches moistening, the warm air of designing requirement and is admitted to air-conditioned room.

Concentrated solution after concentrating flows into second solution pool 3 and is sent into solution heat exchanger 7 by second solution pump 5, carries out exchange heat with the weak solution that wherein flows, and the concentrated solution temperature reduces, and the weak solution temperature raises.Concentrated solution after the cooling is cooled off by cold water in first water/solution heat exchanger 10 by the solution processing unit of regenerating, and makes solution have stronger wettability power, in the first solution total-heat exchanger, spray, carry out the caloic exchange with air draft, absorb the moisture and the heat of air draft, the diluted regeneration of solution.Weak solution after the regeneration is delivered to solution heat exchanger 7 by first solution pool 2 by first solution pump 11 and is reclaimed the concentrated solution heat, gets back to second water/solution heat exchanger 8 heating at last, so circulation.

Claims (3)

1. a solution damping temperature control fresh air conditioner unit comprises solution regeneration processing unit and fresh air unit, and it is separately positioned in air draft treatment channel and the new wind treatment channel; The solution output of fresh air unit is connected with the solution input of solution regeneration processing unit by second solution pump (5), solution heat exchanger (7), first water/solution heat exchanger (10); The solution output of solution regeneration processing unit is connected with the solution input of fresh air unit by first solution pump (11), solution heat exchanger, second water/solution heat exchanger (8); First water/solution heat exchanger, second water/solution heat exchanger are respectively arranged with the water-in and water-out interface, and be communicated with the water inlet interface by cold water feed pipe or hot water feeding pipe respectively, realize carrying out heat exchange with solution, the air outlet place that it is characterized in that new wind treatment channel is provided with air/water heat exchanger (6), the air/water heat exchanger is provided with water inlet and delivery port, water inlet is connected with the water outlet interface of first water/solution heat exchanger by electric T-shaped valve (9), and delivery port is communicated with the other end of electric T-shaped valve and the water inlet interface of first water/solution heat exchanger simultaneously.
2. solution damping temperature control fresh air conditioner unit according to claim 1 is characterized in that described air draft treatment channel and new wind treatment channel are separately positioned on the upper and lower of unit.
3. solution damping temperature control fresh air conditioner unit according to claim 1, it is characterized in that described solution regeneration processing unit comprises that the below is provided with the first solution total-heat exchanger (1) of first solution pool (2), its solution output is communicated with first solution pool, and the solution input is communicated with spray head in the first solution total-heat exchanger; Fresh air unit comprises that the below is provided with the second solution total-heat exchanger (4) of second solution pool (3), and its solution output is communicated with second solution pool, and the solution input is communicated with spray head in the second solution total-heat exchanger.
CN2009202738414U 2009-11-26 2009-11-26 Solution moisture-temperature control fresh air air-conditioning unit CN201582926U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701738B (en) * 2009-11-26 2011-11-30 佛山市浩特普尔人工环境设备有限公司 Fresh air handling unit for regulating humidity and controlling temperature by adopting solution and control method thereof
CN102494372A (en) * 2011-12-21 2012-06-13 南京五洲制冷集团有限公司 Double-cold source full fresh air dehumidifier and control method thereof
CN102927630A (en) * 2012-11-07 2013-02-13 刘拴强 Total heat recovery type heating and humidifying fresh air handling unit
CN103697543A (en) * 2013-12-25 2014-04-02 刘拴强 Air conditioning device capable of treating air heat and humidity load and producing cold water or hot water simultaneously
CN103712291A (en) * 2013-12-25 2014-04-09 刘拴强 Air conditioning device capable of manufacturing coolants or heating media and simultaneously treating air heat loads and humidity loads

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701738B (en) * 2009-11-26 2011-11-30 佛山市浩特普尔人工环境设备有限公司 Fresh air handling unit for regulating humidity and controlling temperature by adopting solution and control method thereof
CN102494372A (en) * 2011-12-21 2012-06-13 南京五洲制冷集团有限公司 Double-cold source full fresh air dehumidifier and control method thereof
CN102927630A (en) * 2012-11-07 2013-02-13 刘拴强 Total heat recovery type heating and humidifying fresh air handling unit
CN103697543A (en) * 2013-12-25 2014-04-02 刘拴强 Air conditioning device capable of treating air heat and humidity load and producing cold water or hot water simultaneously
CN103712291A (en) * 2013-12-25 2014-04-09 刘拴强 Air conditioning device capable of manufacturing coolants or heating media and simultaneously treating air heat loads and humidity loads
CN103712291B (en) * 2013-12-25 2017-01-11 刘拴强 Air conditioning device capable of manufacturing coolants or heating media and simultaneously treating air heat loads and humidity loads

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Granted publication date: 20100915

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