CN202392910U - Double-cold-source all fresh air dehumidifier - Google Patents

Double-cold-source all fresh air dehumidifier Download PDF

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Publication number
CN202392910U
CN202392910U CN2011205380263U CN201120538026U CN202392910U CN 202392910 U CN202392910 U CN 202392910U CN 2011205380263 U CN2011205380263 U CN 2011205380263U CN 201120538026 U CN201120538026 U CN 201120538026U CN 202392910 U CN202392910 U CN 202392910U
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China
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air
condenser
water
heat
cold
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CN2011205380263U
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Chinese (zh)
Inventor
王克勇
谭来仔
赵艳波
何珍
杨娟
房小军
刘宇峰
梁明坤
汤昱
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南京五洲制冷集团有限公司
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Priority to CN2011205380263U priority Critical patent/CN202392910U/en
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Publication of CN202392910U publication Critical patent/CN202392910U/en

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Abstract

The utility model discloses a double-cold-source all fresh air dehumidifier which is designed for solving the problems that the existing all fresh air dehumidifier is high in energy consumption, does not fully utilize high-quality exhausted air and low-temperature condensate water, and can not implement the stepless regulation between 16 DEG C and 24 DEG C on the temperature of discharged air. The double-cold-source all fresh air dehumidifier comprises a heat recovery device, a surface-cooling dehumidification system, a direct-expansion dehumidification system and a condensate water recovery system, wherein the device and the systems constitute a fresh air processing function section and an exhausted air condensing function section. The dehumidifier disclosed by the utility model comprehensively utilizes the multi-dimensional energy-saving technologies such as deep dehumidification of double cold sources, energy saving of heat pipes, multipoint heat removal of condensation heat, built-in evaporative condensation, exhausted air and condensed water energy recovery and the like; and the dehumidifier has the characteristics of simple and reasonable structure, low production cost, high intelligentization degree, flexible operation and low energy consumption.

Description

A kind of pair of brand-new air dehumidifier of low-temperature receiver

Technical field

The utility model relates to the dehumidifier technical field, relates in particular to a kind of pair of brand-new air dehumidifier of low-temperature receiver.

Background technology

Brand-new air dehumidifier is having the dehumidify various occasions of demand of brand-new wind to be used widely with its unique air-treatment mode and engineering adaptability, like defence engineering, medicine and hygiene fields, deposit the warehouse of venomous injurant etc.But we know that brand-new air dehumidifier does not have return air, and all the new wind of the outer high hot high humidity of process chamber is compared with the dehumidifier of return air type, and the energy consumption of usually brand-new air dehumidifier itself is very big.In addition, all there is indoor air draft in the whole fresh wind air-condition system, and its new wind processing procedure can produce with the condensed water that continues, and is directly it to be discharged into outdoorly to the processing method of indoor exhaust wind generally, also is directly to drain to the processing method of condensed water.And the indoor exhaust wind quality is high, and condensate temperature is low, and a large amount of high-quality air drafts and cryogenic condensation water are discharged without utilizing directly, and is very unfortunate.This energy-saving and emission-reduction policy with country deviates from mutually, has also proposed new problem to us.

At present, that the condensing mode that brand-new air dehumidifier is commonly used mainly contains is air-cooled, three kinds of water-cooled and evaporative condenser formulas.Air-cooled condensation will be joined outdoor unit, and condensation temperature is high, and system energy consumption is high; The water-cooled condensation will be joined cooling tower, and cooling water consumption is big; The effect of evaporating type condensing is better than air-cooled and water-cooled, but will join the outdoor type evaporative condenser.The heat extraction source of these condensing modes and unit itself all are arranged apart, need water pipe or refrigerant pipe to connect therebetween, and the engineer operation amount is big, takies more space.

Existing new blower fan group; Carrying direct evaporation-refrigeration device is single-cooling type or heat-pump-type; This single-cooling type or heat pump type refrigerating system can't carry out temperature adjustment to air and handle, and can't realize leaving air temp step-less adjustment between 16-24 ℃, thereby can't guarantee the control accuracy requirement of leaving air temp.The new blower fan group of the two temperature of a kind of evaporating type condensing was disclosed on May 11st, 2011 like Chinese patent document number CN 102095231A; This unit comprises fresh air dehumidification functional section and evaporative condenser air-exhausting function section; Be provided with in fresh air dehumidification functional section and the evaporative condenser air-exhausting function section and carry direct evaporation-refrigeration device, and directly evaporation-refrigeration device is single-cooling type or heat-pump-type.The new wind porch of fresh air dehumidification functional section is provided with the cold/hot water coil pipe.

The utility model content

The purpose of the utility model aims to provide a kind of with the dehumidifying of two low-temperature receiver degree of depth, heat pipe energy-saving, the heat extraction of condensation heat multiple spot, built-in evaporating type condensing; The brand-new air dehumidifier of two low-temperature receivers of multidimensional power-saving technologies such as air draft and the recovery of condensed water energy comprehensive utilization; Solve the energy consumption height of brand-new air dehumidifier own, high-quality air draft and cryogenic condensation water are not made full use of, can't realize the problem of leaving air temp step-less adjustment between 16-24 ℃.

The technical scheme that the utility model adopts is: a kind of pair of brand-new air dehumidifier of low-temperature receiver; Comprise heat reclamation device, show cold dehumidification system, straight swollen dehumidification system and condensation water recovery system, more than device and system constitute new wind processing capacity section and air draft condensation functional section;

Said heat reclamation device is the separated type heat pipe, comprises heat pipe evaporator section and heat pipe condenser section, and said heat pipe evaporator section is arranged on the new wind porch of said new wind processing capacity section, and said heat pipe condenser section is arranged on the air draft porch of said air draft condensation functional section;

The cold dehumidification system of said table comprises surface cooler and chilled water flow adjustable valve, and said surface cooler is arranged on the air side of said heat pipe evaporator section, and the chilled water flow adjustable valve is arranged on the outlet pipeline of said surface cooler;

Said straight swollen dehumidification system adopts direct vaporation-type refrigerating plant; It comprises the compressor that is arranged on said new wind processing capacity section, cold-producing medium threeway ratio adjusting valve, evaporimeter, the heat radiation condenser and the evaporative condenser of reheater condenser, expansion valve, first check valve and second check valve and said air draft condensation functional section again; The high-pressure outlet of said compressor is connected with the import of cold-producing medium threeway ratio adjusting valve; First outlet of cold-producing medium threeway ratio adjusting valve is connected with an end of heat radiation condenser; The other end of heat radiation condenser is connected with an end of evaporative condenser; The other end of evaporative condenser is connected with the import of first check valve, and second outlet of cold-producing medium threeway ratio adjusting valve is connected with an end of reheater condenser again, and the other end of reheater condenser is connected with the import of second check valve again; First check valve merges the back with the outlet of second check valve and is connected with an end of expansion valve; The other end of expansion valve is connected with an end of evaporimeter, and the other end of evaporimeter is connected with the low-pressure inlet of compressor, constitutes refrigerating circuit; Said evaporative condenser is arranged on the air side of said heat pipe condenser section; Its recirculated water is connected with water tank through water inlet pipe and return pipe; Said water inlet pipe, return pipe and water tank are located at said new wind processing capacity section; Said water inlet pipe is provided with cooling water pump, draws water supplement port, sewage draining exit and gap on the said water tank; Said heat radiation condenser is arranged on the air side of said evaporative condenser;

Described condensation water recovery system comprises condensate pump, condensate drain pan and water tank, and the condensate of said condensate drain pan is communicated to said water tank through condensate pipe, and said condensate pipe is provided with condensate pump.

As preferably, said straight swollen dehumidification system is a condensation heat multiple spot heat extraction formula temperature adjusting and dehumidifying system, is the refrigerating circuit that single compressor constitutes, perhaps, and two refrigerating circuits that said direct vaporation-type refrigerating plant also can be made up of two compressors.

As preferably, the port of export of said new wind processing capacity section is provided with Temperature Humidity Sensor.

As preferably, the port of export of said air draft condensation functional section is provided with embedded electric cabinet.

The control method of the above-mentioned pair of brand-new air dehumidifier of low-temperature receiver may further comprise the steps:

The control of the said pair of brand-new air dehumidifier of low-temperature receiver comprises wind pushing temperature and two parameters of humidity, through the temperature and humidity of Temperature Humidity Sensor sensing air-supply, and calculates the air-supply water capacity according to the wind pushing temperature and the hygrometer of sensing;

The water capacity of blowing adopts fuzzy intelligence PI to regulate, and promptly carries out fuzzy intelligence PI computing according to air-supply water capacity of setting and calculating gained air-supply water capacity, and exports final calculation result to the control object, be i.e. chilled water flow adjustable valve and refrigeration compressor; When the air-supply water capacity when setting water capacity, preferentially regulate the chilled water flow adjustable valve, constantly increase the aperture of chilled water flow adjustable valve; When the chilled-water flow control valve opening reaches maximum, if the air-supply water capacity starts refrigeration compressor this moment still greater than setting water capacity; The aperture of chilled water flow adjustable valve reduces to minimum simultaneously; If still greater than setting water capacity, at this moment the aperture of chilled water flow adjustable valve constantly increases the air-supply water capacity, equal to set water capacity up to the air-supply water capacity; When the air-supply water capacity when setting water capacity, preferentially reduce the aperture of chilled water flow adjustable valve this moment, when the aperture of chilled water flow adjustable valve reduces to minimum; And the air-supply water capacity is still when setting water capacity; Stop refrigeration compressor this moment, reach maximum to the aperture of chilled water flow adjustable valve simultaneously, water capacity is still less than setting water capacity if blow this moment; Keeping reduces the aperture of chilled water flow adjustable valve, equals to set water capacity up to the air-supply water capacity;

Wind pushing temperature adopts the PI control mode, promptly carries out PI according to the difference of wind pushing temperature and design temperature and calculates, and finally exports operation result to cold-producing medium threeway ratio adjusting valve; When wind pushing temperature is lower than design temperature, constantly increase the aperture of cold-producing medium threeway ratio adjusting valve, equal design temperature up to wind pushing temperature; When wind pushing temperature is higher than design temperature, constantly reduce the aperture of cold-producing medium threeway ratio adjusting valve, equal design temperature up to wind pushing temperature.

The utility model compared with prior art has following beneficial effect:

(1) adopts the separated type hot pipe technique, fully reclaim the air draft cold new wind is carried out precooling, reduce back level dehydrating unit load, improve the complete machine efficiency.

(2) use condensation heat multiple spot heat extraction technology; Effectively reclaiming the dehumidifier condensation heat through reheater condenser again comes that air is carried out temperature adjustment and handles; Do not need unnecessary power consumption device, can realize that leaving air temp is adjustable continuously between 16-24 ℃, thereby guarantee accurate control leaving air temp.

(3) fully reclaim the supplementing water of cryogenic condensation water, both reclaimed the cold of condensed water, practiced thrift consumption of cooling-water again as evaporative condenser.

The utility model is with the dehumidifying of two low-temperature receiver degree of depth, heat pipe energy-saving, the heat extraction of condensation heat multiple spot, built-in evaporating type condensing; Multidimensional power-saving technologies such as air draft and the recovery of condensed water energy comprehensive utilizations, have simple and reasonable, cost of manufacture is low, intelligent degree height, flexible operation, characteristic of low energy consumption.

Description of drawings

Fig. 1 is the systematic schematic diagram of the utility model;

Fig. 2 is the structural representation of the utility model.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further:

Among the figure, 1 is heat pipe condenser section, and 2 is evaporative condenser, and 3 are the heat radiation condenser, and 4 is exhaust blower, and 5 is cooling water pump; 6 is water tank, and 7 is condensate pump, and 8 is cold-producing medium threeway ratio adjusting valve, and 9 is compressor, and 10 is condensate drain pan, and 11 is heat pipe evaporator section; 12 is surface cooler, and 13 is evaporimeter, and 14 is expansion valve, and 15 is second check valve, and 16 are reheater condenser again, and 17 is pressure fan; 18 is first check valve, and 19 is the chilled water flow adjustable valve, and 20 is Temperature Humidity Sensor, and 22 is electric cabinet, and a is import; B is first outlet, and c is second outlet, and d is a water supplement port, and e is a gap, and f is a sewage draining exit.A is new wind, and B is air-supply, and C is a return air, and D is air draft, and arrow is represented direction, and among Fig. 1, heavy line is represented the gas channel of air, and fine line is represented the cold-producing medium road, and dotted line is represented the water route.

As illustrated in fig. 1 and 2, a kind of pair of brand-new air dehumidifier of low-temperature receiver comprises heat reclamation device, shows cold dehumidification system, straight swollen dehumidification system and condensation water recovery system that more than device and system constitute new wind processing capacity section and air draft condensation functional section;

Said heat reclamation device is the separated type heat pipe; Comprise heat pipe evaporator section 11 and heat pipe condenser section 1; Said heat pipe evaporator section 11 is arranged on the new wind porch of said new wind processing capacity section, and said heat pipe condenser section 1 is arranged on the air draft porch of said air draft condensation functional section;

The cold dehumidification system of said table comprises surface cooler 12 and chilled water flow adjustable valve 17, and said surface cooler 12 is arranged on the air side of said heat pipe evaporator section 11, and chilled water flow adjustable valve 17 is arranged on the outlet pipeline of said surface cooler 12;

Said straight swollen dehumidification system is direct vaporation-type refrigerating plant; It comprises the compressor 9 that is arranged on said new wind processing capacity section, cold-producing medium threeway ratio adjusting valve 8, evaporimeter 13, the heat radiation condenser 3 and the evaporative condenser 2 of reheater condenser 16, expansion valve 14, first check valve 18 and second check valve 15 and said air draft condensation functional section again; The high-pressure outlet of said compressor 9 is connected with the import a of cold-producing medium threeway ratio adjusting valve 8; The first outlet b of cold-producing medium threeway ratio adjusting valve 8 is connected with an end of heat radiation condenser 3; The other end of heat radiation condenser 3 is connected with an end of evaporative condenser 2; The other end of evaporative condenser 2 is connected with the import of first check valve 18, and the second outlet c of cold-producing medium threeway ratio adjusting valve 8 is connected with an end of reheater condenser 16 again, and the other end of reheater condenser 16 is connected with the import of second check valve 15 again; The outlet of first check valve 18 merges the back with the outlet of second check valve 15 and is connected with an end of expansion valve 14; The other end of expansion valve 14 is connected with an end of evaporimeter 13, and the other end of evaporimeter 13 is connected with the low-pressure inlet of compressor 9, constitutes refrigerating circuit; Cold-producing medium threeway ratio adjusting valve 8 is controlled the flow distribution of refrigerant of the first outlet b and the second outlet c through controller; Said evaporative condenser 2 is arranged on the air side of said heat pipe condenser section 1; Said heat radiation condenser 3 is arranged on the air side of said evaporative condenser 2;

The main condenser of said straight swollen dehumidification system is an evaporative condenser 2; Its recirculated water is connected with water tank 6 through water inlet pipe and return pipe, and said water inlet pipe, return pipe and water tank 6 are located at said new wind processing capacity section, and said water inlet pipe is provided with cooling water pump 5; Draw water supplement port d, sewage draining exit f and gap e on the said water tank 6; Utilize indoor exhaust wind and cooling water as cooling medium, condensed collects in the bottom of evaporative condenser 2, returns water tank 6; Mix with the additional water of 6 li in water tank; Deliver to the spray equipment of evaporative condenser 2 by cooling water pump 5, spray is at the condenser coil surface of evaporative condenser 2, the high temperature vaporized refrigerant in the cooling coil.Indoor exhaust wind is passed through condenser coil under the traction of exhaust blower 4, one side cooling water, fortified water evaporation on the one hand.Condenser coil place water and air are for being in contact with one another heat exchange.The water that circulation evaporates can be replenished from outside watering through water supplement port d.The water level of water tank 6 is controlled through ball-cock assembly.When too much the or backwater of moisturizings too much will overflow in the water tank 6, discharge through gap e, water tank 6 bottom sewage draining exit f connect blowoff valve;

Described condensation water recovery system comprises condensate pump 7, condensate drain pan 10 and water tank 6, and is new distinguished and admirable through surface cooler 12 and evaporimeter 13, can produce with the condensed water that continues, and condensed water accumulates in 10 li of condensate drain pans, delivers to 6 li in water tank through condensate pump 7;

The port of export of said new wind processing capacity section is provided with Temperature Humidity Sensor 20;

The port of export of said air draft condensation functional section is provided with embedded electric cabinet 22.

New wind processing capacity section is mainly handled new wind; Processing procedure is: new wind through heat pipe evaporator 11 precoolings cooling, passes through surface cooler 12 one-level cool-down dehumidifications, again through evaporator 13 secondary cool-down dehumidifications earlier then; Through reheater condenser 16 heat temperature raisings again, see off at last by pressure fan 17.

Air draft condensation functional section mainly utilizes the cold of air draft to take away the condensation heat of system, and under the traction of exhaust blower 4, air draft is successively through heat pipe condenser 1, evaporative condenser 2 and heat radiation condensation heat 3.

The brand-new air dehumidifier of the two low-temperature receivers of the utility model adopts the modularized combination type structure; Complete machine is divided into two parts up and down; The bottom is provided with new wind treatment channel, and top is provided with the air draft condensation channel, and heat pipe evaporator section, surface cooler and evaporimeter are successively set on the air inlet of new wind treatment channel.Heat pipe condenser section, evaporative condenser and heat radiation condenser are successively set on the air inlet of air draft condensation channel.The air outlet of new wind treatment channel is provided with pressure fan, and the air outlet of air draft condensation channel is provided with exhaust blower.Indoor exhaust wind is discharged into outdoor after the hot wet process of air draft condensation channel, and the new wind of outdoor high temperature high humidity is sent to indoor after the new hot wet process of wind treatment channel.

The brand-new air dehumidifier of two low-temperature receivers of the utility model both can independently use, and promptly outdoor new wind is directly delivered to use occasion after handling through unit, is applicable to brand-new air processing system.Can be used as a kind of building mode of humiture autonomous control system again, as the fresh air dehumidification scheme.

The control method of the above-mentioned pair of brand-new air dehumidifier of low-temperature receiver may further comprise the steps:

The control of the said pair of brand-new air dehumidifier of low-temperature receiver comprises wind pushing temperature and two parameters of humidity, through the temperature and humidity of Temperature Humidity Sensor sensing air-supply, and calculates the air-supply water capacity according to the wind pushing temperature and the hygrometer of sensing;

The water capacity of blowing adopts fuzzy intelligence PI to regulate, and promptly carries out fuzzy intelligence PI computing according to air-supply water capacity of setting and calculating gained air-supply water capacity, and exports final calculation result to the control object, be i.e. chilled water flow adjustable valve and refrigeration compressor; When the air-supply water capacity when setting water capacity, preferentially regulate the chilled water flow adjustable valve, constantly increase the aperture of chilled water flow adjustable valve; When the chilled-water flow control valve opening reaches maximum, if the air-supply water capacity starts refrigeration compressor this moment still greater than setting water capacity; The aperture of chilled water flow adjustable valve reduces to minimum simultaneously; If still greater than setting water capacity, at this moment the aperture of chilled water flow adjustable valve constantly increases the air-supply water capacity, equal to set water capacity up to the air-supply water capacity; When the air-supply water capacity when setting water capacity, preferentially reduce the aperture of chilled water flow adjustable valve this moment, when the aperture of chilled water flow adjustable valve reduces to minimum; And the air-supply water capacity is still when setting water capacity; Stop refrigeration compressor this moment, reach maximum to the aperture of chilled water flow adjustable valve simultaneously, water capacity is still less than setting water capacity if blow this moment; Keeping reduces the aperture of chilled water flow adjustable valve, equals to set water capacity up to the air-supply water capacity;

Wind pushing temperature adopts the PI control mode, promptly carries out PI according to the difference of wind pushing temperature and design temperature and calculates, and finally exports operation result to cold-producing medium threeway ratio adjusting valve; When wind pushing temperature is lower than design temperature, constantly increase the aperture of cold-producing medium threeway ratio adjusting valve, equal design temperature up to wind pushing temperature; When wind pushing temperature is higher than design temperature, constantly reduce the aperture of cold-producing medium threeway ratio adjusting valve, equal design temperature up to wind pushing temperature.

Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.The all available prior art of each part not clear and definite in the present embodiment realizes.

Claims (5)

1. two brand-new air dehumidifier of low-temperature receiver is characterized in that: comprise heat reclamation device, show cold dehumidification system, straight swollen dehumidification system and condensation water recovery system that more than device and system constitute new wind processing capacity section and air draft condensation functional section;
Said heat reclamation device is the separated type heat pipe, comprises heat pipe evaporator section and heat pipe condenser section, and said heat pipe evaporator section is arranged on the new wind porch of said new wind processing capacity section, and said heat pipe condenser section is arranged on the air draft porch of said air draft condensation functional section;
The cold dehumidification system of said table comprises surface cooler and chilled water flow adjustable valve, and said surface cooler is arranged on the air side of said heat pipe evaporator section, and the chilled water flow adjustable valve is arranged on the outlet pipeline of said surface cooler;
Said straight swollen dehumidification system adopts direct vaporation-type refrigerating plant; It comprises the compressor that is arranged on said new wind processing capacity section, cold-producing medium threeway ratio adjusting valve, evaporimeter, the heat radiation condenser and the evaporative condenser of reheater condenser, expansion valve, first check valve and second check valve and said air draft condensation functional section again; The high-pressure outlet of said compressor is connected with the import of cold-producing medium threeway ratio adjusting valve; First outlet of cold-producing medium threeway ratio adjusting valve is connected with an end of heat radiation condenser; The other end of heat radiation condenser is connected with an end of evaporative condenser; The other end of evaporative condenser is connected with the import of first check valve, and second outlet of cold-producing medium threeway ratio adjusting valve is connected with an end of reheater condenser again, and the other end of reheater condenser is connected with the import of second check valve again; First check valve merges the back with the outlet of second check valve and is connected with an end of expansion valve; The other end of expansion valve is connected with an end of evaporimeter, and the other end of evaporimeter is connected with the low-pressure inlet of compressor, constitutes refrigerating circuit; Said evaporative condenser is arranged on the air side of said heat pipe condenser section; Its recirculated water is connected with water tank through water inlet pipe and return pipe; Said water inlet pipe, return pipe and water tank are located at said new wind processing capacity section; Said water inlet pipe is provided with cooling water pump, draws water supplement port, sewage draining exit and gap on the said water tank; Said heat radiation condenser is arranged on the air side of said evaporative condenser;
Described condensation water recovery system comprises condensate pump, condensate drain pan and water tank, and the condensate of said condensate drain pan is communicated to said water tank through condensate pipe, and said condensate pipe is provided with condensate pump.
2. the brand-new air dehumidifier of a kind of pair of low-temperature receiver according to claim 1 is characterized in that: said straight swollen dehumidification system is a condensation heat multiple spot heat extraction formula temperature adjusting and dehumidifying system, is the refrigerating circuit of single compressor formation.
3. the brand-new air dehumidifier of a kind of pair of low-temperature receiver according to claim 1 is characterized in that: the two refrigerating circuits of said straight swollen dehumidification system for being made up of two compressors.
4. the brand-new air dehumidifier of a kind of pair of low-temperature receiver according to claim 1 is characterized in that: the port of export of said new wind processing capacity section is provided with Temperature Humidity Sensor.
5. the brand-new air dehumidifier of a kind of pair of low-temperature receiver according to claim 1 is characterized in that: the port of export of said air draft condensation functional section is provided with embedded electric cabinet.
CN2011205380263U 2011-12-21 2011-12-21 Double-cold-source all fresh air dehumidifier CN202392910U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103411278A (en) * 2013-08-23 2013-11-27 机械工业第三设计研究院 Fresh air handling unit suitable for air conditioning system allowing independent temperature and humidity control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103411278A (en) * 2013-08-23 2013-11-27 机械工业第三设计研究院 Fresh air handling unit suitable for air conditioning system allowing independent temperature and humidity control

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Granted publication date: 20120822

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