CN202562131U - Dehumidifier set with novel air heat pump of double cold sources - Google Patents

Dehumidifier set with novel air heat pump of double cold sources Download PDF

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Publication number
CN202562131U
CN202562131U CN2012201863565U CN201220186356U CN202562131U CN 202562131 U CN202562131 U CN 202562131U CN 2012201863565 U CN2012201863565 U CN 2012201863565U CN 201220186356 U CN201220186356 U CN 201220186356U CN 202562131 U CN202562131 U CN 202562131U
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CN
China
Prior art keywords
heat pump
dehumidifying
compressor
air
valve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012201863565U
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Chinese (zh)
Inventor
倪庆海
纪祥清
姚永明
赵大友
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NANJING DIZEER AIR CONDITIONING EQUIPMENT CO., LTD.
Original Assignee
JIANGSU HIGH-TECH APPLIED SCIENCE RESEARCH INSTITUTE Co Ltd
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Priority to CN2012201863565U priority Critical patent/CN202562131U/en
Application granted granted Critical
Publication of CN202562131U publication Critical patent/CN202562131U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a dehumidifier set with a novel air heat pump of double cold sources, and a dehumidifier set which has special applications and is applied to the environment inappropriate for return air or needs to be independently controlled by temperature and humidity is specially designed. The dehumidifier set with the novel air heat pump of double cold sources comprises air source heat pump systems and temperature control dehumidification systems evaporated by a front stage surface cooler and a rear stage surface cooler directly, and the air source heat pump systems and the temperature control dehumidification systems are mounted in a combined rack in parallel. The air source heat pump system and the temperature control dehumidification system of the rear stage are mounted in parallel. Functions of refrigeration, dehumidification, temperature control, heating and the like can be achieved. The structure uses a combined structure and is divided into upper and lower layers, wherein the lower layer is a novel air processing system, and the upper layer is an air exhaust processing system, the integrity is high and the mounting is convenient.

Description

The brand-new wind-heat pump dehumidifying of two low-temperature receivers unit
Technical field
The utility model relates to the brand-new wind-heat pump dehumidifying of a kind of novel two low-temperature receivers unit; Specifically be to adopt summer two low-temperature receivers that brand-new wind is carried out degree of depth dehumidifying and refrigeration; The winter starting heat pump heats new wind; Start the temperature adjusting and dehumidifying system brand-new wind is carried out temperature adjusting and dehumidifying season in spring and autumn, belongs to the refrigerating machine field.
Background technology
Brand-new air dehumidifier is mainly used in needs a large amount of new wind of introducing; Air-conditioned room is cold, the place of humidity load but do not hope to increase; Require unit in the scope of new wind-warm syndrome degree broad, can accurately control the dry-bulb temperature and the dew-point temperature of air-out, be specially adapted to that there are dehumidifying, temperature requirement in medicine and hygiene fields, military project, chemical industry, hot laboratory, Animal Lab., paint shop etc. but the place that do not allow to adopt return air.
The whole of brand-new air dehumidifier processing are outdoor new wind, adopt the in line mode of direct sending, belong to the single flow air treatment system.Traditional processing mode adds the air-treatment unit with the hot and cold water unit and realizes, general cold (heat) water coil and the assisted heating device arranged of air-treatment unit; Its shortcoming is based on the needs of brand-new wind dehumidifying, and cold water temperature requires very low, the refrigeration unit poor efficiency; Especially at plum rain season, temperature is not when high humility is not king-sized, and brand-new wind had not only needed refrigerated dehumidification but also needs heat again, and adding the air-treatment unit for the hot and cold water unit at this moment, to handle brand-new wind be a thing that is difficult to bear.At present, most widely used on the market is plain edition CT dehumidifier, and this is a kind of have air-cooled and temperature-adjustable dehumidifiers 2 condensers of water-cooled; Brand-new wind for the summer high temperature high humidity; The dehumidifying that the plain edition dehumidifier can not satisfy this environment requires: the plain edition dehumidifier does not have enough colds that new wind dew-point temperature is controlled at below the 11g/kg to blow, thus often adopt the mode of two-stage plain edition dehumidifier series connection to dehumidify, for the refrigerating capacity of the purpose prime dehumidifier that reaches degree of depth dehumidifying often designs bigger than normal; Thereby the mode of this tandem working tends to bring many problems: along with the variation of brand-new wind state point; Before and after a level dehumidifier live load change greatly, also difficult to the control of dew-point temperature, and it is low to be in the back level dehumidifier EAT in downstream; Evaporator operation efficient is low; Cause the duty of complete machine poor, the phenomenon that regular meeting's appearance is shut down because of evaporimeter frosting, thereby the design and running of the system of giving brings inconvenience.
The brand-new air dehumidifier of two low-temperature receivers is domestic to have a few family units to develop, and on the function He on the implementation inclined to one side length is being arranged respectively; The employing that has is new, the air draft heat regenerator recovers energy, but the risk of cross-infection is arranged unavoidably; The employing heat pump that has recovers energy, and air is warm again to be regulated wind pushing temperature but lack.
Summary of the invention
The utility model has overcome the weak point of prior art; The brand-new wind-heat pump dehumidifying of a kind of novel two low-temperature receivers unit has been proposed: adopt summer two low-temperature receivers that brand-new wind is carried out degree of depth dehumidifying and refrigeration; The winter starting heat pump heats new wind, and start the temperature adjusting and dehumidifying system brand-new wind is carried out temperature adjusting and dehumidifying season in spring and autumn.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of pair of brand-new wind-heat pump dehumidifying of low-temperature receiver unit comprises prime surface cooler and back level the cold-producing medium directly air source heat pump system and the temperature adjusting and dehumidifying system of evaporation, and said air source heat pump system and temperature adjusting and dehumidifying system are in parallel installed with in combined frame.
Said air source heat pump system comprises kind of refrigeration cycle and heats two closed circuits of circulation, said refrigeration cycle by first compressor, cross valve, air draft heat exchanger, heat liquid-dividing head, first check valve, reservoir, filter, heat pump expansion valve, second check valve, refrigeration liquid-dividing head, fresh air heat exchanger, cross valve, first gas-liquid separator, first compressor connects and composes successively; Said heat closed circuit by first compressor, cross valve, fresh air heat exchanger, refrigeration liquid-dividing head, the 5th check valve, reservoir, filter, heat pump expansion valve, the 3rd check valve, heat liquid-dividing head, air draft heat exchanger, cross valve, first gas-liquid separator, first compressor and connect and compose successively and heat circulation.
Said temperature adjusting and dehumidifying system comprises temperature adjusting and dehumidifying closed circuit and two closed circuits of cool-down dehumidification closed circuit, and said temperature adjusting and dehumidifying closed circuit is connected and composed by second compressor, air draft condenser, first magnetic valve, new air-cooled condenser, the 4th check valve, reservoir, filter, expansion valve, liquid-dividing head, evaporimeter, second gas-liquid separator, second compressor successively; Said cool-down dehumidification closed circuit is connected and composed by second compressor, air draft condenser, second magnetic valve, reservoir, filter, expansion valve, liquid-dividing head, evaporimeter, second gas-liquid separator, second compressor successively.
First low-pressure meter is installed between first compressor and first gas-liquid separator, first high pressure gauge is installed between first compressor and cross valve; Second low-pressure meter is installed between said second compressor and second gas-liquid separator, second high pressure gauge is installed between second compressor and air draft condenser.
Exit at unit upper strata air draft heat exchanger and air draft condenser is equipped with exhaust blower; Exit at unit lower floor fresh air heat exchanger and new air-cooled condenser is equipped with pressure fan.
Import department at unit upper strata air draft condenser is equipped with electronic volume damper.
Beneficial effect:
The utility model comprises air source heat pump system and the temperature adjusting and dehumidifying system that prime cold (heat) water meter cooler and back level cold-producing medium directly evaporate, and the relay of two low-temperature receiver two-stage can effectively realize minimum 9 ℃ low dew point control.The air source heat pump system and the temperature adjusting and dehumidifying system of back level are in parallel installed with, and can realize functions such as refrigeration, dehumidifying, temperature adjustment, heating.For adapting to energy-conservation and environmental protection requirement, discharge behind the energy of refrigeration employing condensation in summer, winter heating's employing heat pump techniques recovery return air, improved the COP value of unit greatly.
The utility model is particularly suitable for being specially adapted to that there are dehumidifying, temperature requirement in medicine and hygiene fields, military project, chemical industry, hot laboratory, Animal Lab., paint shop etc. but the place that do not allow to adopt return air.
Description of drawings:
Fig. 1 is the flowage structure sketch map of the utility model.
Wherein: 1, first compressor; 2, cross valve; 3, air draft heat exchanger; 4, heat liquid-dividing head; 5, the 3rd check valve; 6, first check valve; 7, reservoir; 8, filter; 9, heat pump expansion valve; 10, second check valve; 11, the 5th check valve; 12, refrigeration liquid-dividing head; 13, fresh air heat exchanger; 14, first gas-liquid separator; 15, first low-pressure meter, 16, first pressure controller; 17, first high pressure gauge; 18, surface cooler; 19, exhaust blower; 20, second compressor; 21, air draft condenser; 22, first magnetic valve; 23, new air-cooled condenser; 24, the 4th check valve; 25, second magnetic valve; 26, reservoir; 27, filter; 28, expansion valve; 29, liquid-dividing head; 30, evaporimeter; 31, second gas-liquid separator; 32, second low-pressure meter; 33, second pressure controller; 34, second high pressure gauge; 35, electronic volume damper; 36, pressure fan; 37, combined frame.
The specific embodiment:
As shown in the figure; The brand-new wind-heat pump dehumidifying of two low-temperature receivers of the utility model design unit; When the unit starting cool-down dehumidification; During the work of the brand-new wind-heat pump dehumidifying of two low-temperature receivers in summer unit, by prime cold (heat) water meter cooler to new wind precooling after, directly the air source heat pump system and the temperature adjusting and dehumidifying system of evaporation carry out degree of depth dehumidifying and refrigeration through back level cold-producing medium again; Condensation heat is discharged through air draft heat exchanger, air draft condenser or is hot again through new air-cooled condenser, and the relay of two low-temperature receiver two-stage can effectively realize minimum 9 ℃ low dew point control.
When the unit starting temperature adjusting and dehumidifying; During the work of the brand-new wind-heat pump dehumidifying of two low-temperature receivers in season in spring and autumn unit; Prime cold (heat) water meter cooler quits work; The air source heat pump system startup kind of refrigeration cycle that level cold-producing medium in back directly evaporate, temperature adjusting and dehumidifying system startup temperature adjusting and dehumidifying is equipped with electronic volume damper in the import department of unit upper strata air draft condenser.When startup temperature adjusting and dehumidifying system dehumidifies, regulate electronic volume damper, change return air amount through the air draft condenser, influence the distribution of condensation heat between air draft condenser and new air-cooled condenser, reach the purpose of regulating wind pushing temperature.
When unit starting heats; During the work of the brand-new wind-heat pump dehumidifying of two low-temperature receivers in winter unit; By prime cold (heat) water meter cooler to new wind preheating after; The back level cold-producing medium directly air source heat pump system startup heat pump of evaporation heats, and closes electronic volume damper simultaneously, lets return air all carry out maximum energy through the air draft heat exchanger and reclaims.
Prime cold (heat) water meter cooler 18 leads to cold water summer, leads to hot water winter, and close season in spring and autumn, in order to improve the efficient of hot water or cold water's unit, can suitably improve the cold water supply water temperature to 12-15 ℃ with reduce the water supply hot water temperature to 30-35 ℃.
When back level air source heat pump system ran on cooling condition, cross valve 2 started refrigeration and sets; When running on heating condition, cross valve 2 startups heat setting, and electronic volume damper 35 is closed fully, let return air all carry out maximum energy through air draft heat exchanger 3 and reclaim.
When back level temperature adjusting and dehumidifying system ran on cool-down dehumidification, magnetic valve 25 was opened, and magnetic valve 22 cuts out, electronic volume damper 35 complete openings; When running on temperature adjusting and dehumidifying, magnetic valve 22 is opened, and magnetic valve 25 cuts out, and when electronic volume damper 35 is closed fully, condensation heat is all reclaimed by new air-cooled condenser 23, realizes the dehumidifying that heats up.
Adopt fabricated structure on the structure, frame 37 is divided into two-layer up and down, and lower floor is a fresh air treatment system, and the upper strata is the air draft treatment system, and integrated level is high, easy for installation.
Compressor adopts scroll compressor, and heat exchanger adopts the copper pipe aluminum fin form.
Control section adopts PLC, Based Intelligent Control, and touch Chinese and English shows man-machine interface.

Claims (6)

1. the brand-new wind-heat pump dehumidifying of two low-temperature receivers unit; It is characterized in that: comprise prime surface cooler (18) and back level the cold-producing medium directly air source heat pump system and the temperature adjusting and dehumidifying system of evaporation, said air source heat pump system and temperature adjusting and dehumidifying system are in parallel installed with in combined frame (37).
2. the brand-new wind-heat pump dehumidifying of a kind of pair of low-temperature receiver according to claim 1 unit; It is characterized in that: said air source heat pump system comprises kind of refrigeration cycle and heats two closed circuits of circulation, said refrigeration cycle by first compressor (1), cross valve (2), air draft heat exchanger (3), heat liquid-dividing head (4), first check valve (6), reservoir (7), filter (8), heat pump expansion valve (9), second check valve (10), refrigeration liquid-dividing head (12), fresh air heat exchanger (13), cross valve (2), first gas-liquid separator (14), first compressor (1) connects and composes successively; Said heat closed circuit by first compressor (1), cross valve (2), fresh air heat exchanger (13), refrigeration liquid-dividing head (12), the 5th check valve (11), reservoir (7), filter (8), heat pump expansion valve (9), the 3rd check valve (5), heat liquid-dividing head (4), air draft heat exchanger (3), cross valve (2), first gas-liquid separator (14), first compressor (1) and connect and compose successively and heat circulation.
3. the brand-new wind-heat pump dehumidifying of pair low-temperature receiver according to claim 1 unit; It is characterized in that; Said temperature adjusting and dehumidifying system comprises temperature adjusting and dehumidifying closed circuit and two closed circuits of cool-down dehumidification closed circuit, and said temperature adjusting and dehumidifying closed circuit is connected and composed by second compressor (20), air draft condenser (21), first magnetic valve (22), new air-cooled condenser (23), the 4th check valve (24), reservoir (26), filter (27), expansion valve (28), liquid-dividing head (29), evaporimeter (30), second gas-liquid separator (31), second compressor (20) successively; Said cool-down dehumidification closed circuit is connected and composed by second compressor (20), air draft condenser (21), second magnetic valve (25), reservoir (26), filter (27), expansion valve (28), liquid-dividing head (29), evaporimeter (30), second gas-liquid separator (31), second compressor (20) successively.
4. according to the brand-new wind-heat pump dehumidifying of said pair of low-temperature receiver of claim 1 unit; It is characterized in that; First low-pressure meter (15) is installed between first compressor (1) and first gas-liquid separator (14), first high pressure gauge (17) is installed between first compressor (1) and cross valve (2); Second low-pressure meter (32) is installed between said second compressor (20) and second gas-liquid separator (31), second high pressure gauge (34) is installed between second compressor (20) and air draft condenser (21).
5. according to the brand-new wind-heat pump dehumidifying of said pair of low-temperature receiver of claim 1 unit, it is characterized in that, on the unit upper strata
The exit of air draft heat exchanger (3) and air draft condenser (21) is equipped with exhaust blower (19); Exit at unit lower floor fresh air heat exchanger (13) and new air-cooled condenser (23) is equipped with pressure fan (36).
6. according to the brand-new wind-heat pump dehumidifying of said pair of low-temperature receiver of claim 1 unit, it is characterized in that, on the unit upper strata
The import department of air draft condenser (21) is equipped with electronic volume damper (35).
CN2012201863565U 2012-04-27 2012-04-27 Dehumidifier set with novel air heat pump of double cold sources Expired - Fee Related CN202562131U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201863565U CN202562131U (en) 2012-04-27 2012-04-27 Dehumidifier set with novel air heat pump of double cold sources

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201863565U CN202562131U (en) 2012-04-27 2012-04-27 Dehumidifier set with novel air heat pump of double cold sources

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620477A (en) * 2012-04-27 2012-08-01 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN104266277A (en) * 2014-10-21 2015-01-07 东南大学 Heat pipe heat recovery all fresh air dehumidification air-conditioning device
CN106236928A (en) * 2016-05-13 2016-12-21 郑景文 Chinese medicine ferment Zymolysis Equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620477A (en) * 2012-04-27 2012-08-01 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN102620477B (en) * 2012-04-27 2014-07-02 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN104266277A (en) * 2014-10-21 2015-01-07 东南大学 Heat pipe heat recovery all fresh air dehumidification air-conditioning device
CN106236928A (en) * 2016-05-13 2016-12-21 郑景文 Chinese medicine ferment Zymolysis Equipment

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GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: NANJING DIZER AIR CONDITIONING EQUIPMENT CO., LTD.

Free format text: FORMER OWNER: JIANGSU HIGH-TECH APPLIED SCIENCE RESEARCH INSTITUTE CO., LTD.

Effective date: 20130325

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 210009 NANJING, JIANGSU PROVINCE TO: 210031 NANJING, JIANGSU PROVINCE

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130325

Address after: 210031, 7 urban economic parks along the Yanjiang Road, District, Pukou District, Jiangsu, Nanjing

Patentee after: NANJING DIZEER AIR CONDITIONING EQUIPMENT CO., LTD.

Address before: Longyin square No. 217 Nanjing Zhongshan North Road Jiangsu province 210009 room 907

Patentee before: Jiangsu High-Tech Applied Science Research Institute Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121128

Termination date: 20180427