CN201237354Y - Secondary condensation waste heat recovery system of heat pump water heating machine - Google Patents

Secondary condensation waste heat recovery system of heat pump water heating machine Download PDF

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Publication number
CN201237354Y
CN201237354Y CN 200820050072 CN200820050072U CN201237354Y CN 201237354 Y CN201237354 Y CN 201237354Y CN 200820050072 CN200820050072 CN 200820050072 CN 200820050072 U CN200820050072 U CN 200820050072U CN 201237354 Y CN201237354 Y CN 201237354Y
Authority
CN
China
Prior art keywords
pump water
outlet
compressor
liquid storage
heat exchanger
Prior art date
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 - Lifetime
Application number
CN 200820050072
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Chinese (zh)
Inventor
桂海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN NANHAI JUTENG ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.
Original Assignee
桂海燕
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 桂海燕 filed Critical 桂海燕
Priority to CN 200820050072 priority Critical patent/CN201237354Y/en
Application granted granted Critical
Publication of CN201237354Y publication Critical patent/CN201237354Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Abstract

The utility model discloses a secondary condensing waste heat recovery system of a heat pump water heater, the secondary condensing waste heat recovery system comprises a compressor, a secondary condensing heat exchanger, a condenser, an evaporator and a four-way valve, a liquid storage pipe and an air return pipe are arranged in the secondary condensing heat exchanger, an inlet and an outlet of the liquid storage pipe, the inlet and the outlet of the air return pipe are all positioned at the top end of the secondary condensing heat exchanger, wherein, the inlet of the liquid storage pipe is connected with the outlet of the condenser, the outlet of the liquid storage pipe is connected with the evaporator, the inlet of the air return pipe is connected with one leg of the four-way valve, a low pressure protection switch is arranged on a pipeline between the two, and the outlet of the air return pipe is connected with an air inlet of the compressor; the compressor, the inlet of the condenser and the evaporator are respectively connected with the other three legs of the four-way valve. The structure carries out recycle and utilization of condensing heat of the heat pump water heater through the two-level heat exchange, the condensing heat is used for improving the return air temperature, when the return air temperature is increased, frost points of the secondary condensing heat exchanger, the air return pipeline and the evaporator are decreased, thereby reducing frosting and defrosting, saving power energy and improving energy efficiency rate.

Description

The time condensation residual neat recovering system of heat pump water-heating machine
Technical field
The utility model relates to the time condensation residual neat recovering system of heat-pump hot-water machine equipment, particularly a kind of heat pump water-heating machine.
Background technology
Present heat pump water-heating machine system, all be faced with this difficult problem of evaporimeter frosting, during, high humidity low when environment temperature, frosting can appear in evaporimeter, this moment, unit must could normally move after the defrost, not only heat production is very low in the process of frosting and defrost for unit, the waste electric energy also can make water temperature reduce when defrost, and is serious even can not start shooting, and on the other hand, during the heat pump water-heating machine unit operation, some condensation heat waste always is if can recycle condensation heat, in order to reduce the hoarfrost point of unit, then above-mentioned condition can improve greatly.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, and a kind of time condensation residual neat recovering system of heat pump water-heating machine is provided, and can improve the suction temperature of heat pump water-heating machine, reduces hoarfrost point, improves Energy Efficiency Ratio.
The technical solution of the utility model is: the time condensation residual neat recovering system that a kind of heat pump water-heating machine is provided, comprise compressor, the time condensation heat exchanger, condenser, evaporimeter and cross valve, be provided with a liquid storage tube and a muffler in the time condensation heat exchanger, the import and export of liquid storage tube, the import and export of muffler all are positioned at the top of time condensation heat exchanger, wherein the import of liquid storage tube links to each other with the outlet of condenser, the outlet of liquid storage tube links to each other with evaporimeter, the import of muffler links to each other with a pin of cross valve, pipeline between the two is provided with low-voltage protective switch, and the outlet of muffler links to each other with the air inlet of compressor; The import of compressor, condenser, evaporimeter link to each other with the other tripod of cross valve respectively.
The time condensation residual neat recovering system of aforesaid heat pump water-heating machine is serially connected with exhaust sensor and high voltage protective switch successively on the pipeline between compressor and the cross valve.
The time condensation residual neat recovering system of aforesaid heat pump water-heating machine is serially connected with liquid reservoir and throttle expansion valve on the import of condenser and the pipeline between the cross valve successively.
The time condensation residual neat recovering system of aforesaid heat pump water-heating machine is parallel with unloader on the import of the muffler of time condensation heat exchanger and the pipeline between the liquid reservoir.
The time condensation residual neat recovering system of above-mentioned heat pump water-heating machine, by the two-stage heat exchange condensation heat of heat pump water-heating machine is recycled, improve the suction temperature of compressor with condensation heat, when suction temperature raises, the hoarfrost point of secondary cool-heat-exchanger and compressor, return line, evaporimeter reduces, reduce frosting and defrost, saved electric energy, improved Energy Efficiency Ratio.
Description of drawings
Below in conjunction with the drawings and specific embodiments structure of the present utility model and advantage are further described.
Fig. 1 is the structure principle chart of described utility model.
The specific embodiment
Referring to Fig. 1, a kind of time condensation residual neat recovering system of heat pump water-heating machine is provided, comprise compressor 101, time condensation heat exchanger 106, condenser 107, evaporimeter 111 and cross valve 104, be provided with a liquid storage tube 113 and a muffler 114 in the time condensation heat exchanger 106, the import and export 115 of liquid storage tube 113,116, the import and export 117 of muffler 114,118 all are positioned at the top of time condensation heat exchanger 106, wherein the import 115 of liquid storage tube 113 links to each other with the outlet 119 of condenser, the outlet 116 of liquid storage tube 113 links to each other with evaporimeter 111, the import 117 of muffler 114 links to each other with a pin of cross valve 104, pipeline between the two is provided with low-voltage protective switch 105, and the outlet 118 of muffler 114 links to each other with the air inlet 121 of compressor; The import 120 of compressor 101, condenser, evaporimeter 111 link to each other with the other tripod of cross valve 104 respectively.
Referring to Fig. 1, be serially connected with exhaust sensor 102 and high voltage protective switch 103 on the pipeline between compressor 101 and the cross valve 104 successively.Be serially connected with liquid reservoir 108 and throttle expansion valve 109 successively on the import 120 of condenser and the pipeline between the cross valve 104.Be parallel with unloader 112 on the import 117 of the muffler 114 of time condensation heat exchanger 106 and the pipeline between the liquid reservoir 108.
Its operation principle is:
1) compressor 101 energising work are compressed into the gas of HTHP with cold-producing medium, and send into condenser 107 heat exchange, and this moment, cross valve 104 was not worked.
2) refrigerant gas of HTHP in condenser 107 by after the running water cooling, heat is taken away as domestic water by water, and cold-producing medium is cooled into geothermal liquid in the high pressure, the liquid storage tube 113 that enters time condensation heat exchanger 106 after geothermal liquid comes out in the high pressure carries out secondary heat exchange, and the liquid that becomes high pressure low temperature arrives throttle expansion valve 109 throttling step-downs through liquid reservoir 108.
3) refrigerant liquid of high pressure low temperature reduces pressure in throttle expansion valve 109, becomes the gas-liquid two-phase body of low-temp low-pressure.
4) the gas-liquid two-phase body of low-temp low-pressure enters evaporimeter 111 gasifications and absorbs heat energy in air.
5) gas of the low-temp low-pressure after the gasification enters the muffler 114 of time condensation heat exchanger 106, carries out secondary heat exchange, and the low two-phase gas of temperature during cryogenic gas is changed into is sucked compression and enters next circulation by compressor 101.
When the delivery temperature that above-mentioned exhaust sensor 102 detects compressor was higher than 110 ℃, sensor 102 disconnected, and heat pump water-heating machine enters the stoppage protection state.When the pressure at expulsion that above-mentioned high voltage protective switch 103 detects compressor was higher than 2.8MP, high voltage protective switch 103 disconnected, and heat pump water-heating machine enters the stoppage protection state.Above-mentioned low-voltage protective switch 105 detects compressor return air and forces down when 0.02MP, and low-voltage protective switch 105 disconnects, and heat pump water-heating machine enters the stoppage protection state.When condensing pressure during greater than 2.3MP, above-mentioned unloader 112 beginnings guarantee the stable operation of system to the muffler release of time condensation heat exchanger 106.
The foregoing description is a preferred embodiment of the present utility model, and all and the similar structure of the utility model and the equivalence of being done change, and all should belong to protection category of the present utility model.

Claims (4)

1, a kind of time condensation residual neat recovering system of heat pump water-heating machine, comprise compressor (101), time condensation heat exchanger (106), condenser (107), evaporimeter (111) and cross valve (104), it is characterized in that: be provided with a liquid storage tube (113) and a muffler (114) in the time condensation heat exchanger (106), the import and export (115 of liquid storage tube (113), 116), the import and export (117 of muffler (114), 118) all be positioned at the top of time condensation heat exchanger (106), wherein the import (115) of liquid storage tube (113) links to each other with the outlet (119) of condenser, the outlet (116) of liquid storage tube (113) links to each other with evaporimeter (111), the import (117) of muffler (114) links to each other with a pin of cross valve (104), pipeline between the two is provided with low-voltage protective switch (105), and the outlet (118) of muffler (114) links to each other with the air inlet (121) of compressor; The import (120) of compressor (101), condenser, evaporimeter (111) link to each other with the other tripod of cross valve (104) respectively.
2, the time condensation residual neat recovering system of heat pump water-heating machine according to claim 1 is characterized in that: be serially connected with exhaust sensor (102) and high voltage protective switch (103) on the pipeline between compressor (101) and the cross valve (104) successively.
3, the time condensation residual neat recovering system of heat pump water-heating machine according to claim 1 is characterized in that: be serially connected with liquid reservoir (108) and throttle expansion valve (109) on the pipeline between import of condenser (120) and the cross valve (104) successively.
4, according to the time condensation residual neat recovering system of claim 1 or 3 described heat pump water-heating machines, it is characterized in that: be parallel with unloader (112) on the import (117) of the muffler (114) of time condensation heat exchanger (106) and the pipeline between the liquid reservoir (108).
CN 200820050072 2008-07-02 2008-07-02 Secondary condensation waste heat recovery system of heat pump water heating machine Expired - Lifetime CN201237354Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200820050072 CN201237354Y (en) 2008-07-02 2008-07-02 Secondary condensation waste heat recovery system of heat pump water heating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200820050072 CN201237354Y (en) 2008-07-02 2008-07-02 Secondary condensation waste heat recovery system of heat pump water heating machine

Publications (1)

Publication Number Publication Date
CN201237354Y true CN201237354Y (en) 2009-05-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200820050072 Expired - Lifetime CN201237354Y (en) 2008-07-02 2008-07-02 Secondary condensation waste heat recovery system of heat pump water heating machine

Country Status (1)

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CN (1) CN201237354Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230690A (en) * 2011-07-05 2011-11-02 林昌元 Solar-powered heat pump unit capable of freely recovering excess heat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230690A (en) * 2011-07-05 2011-11-02 林昌元 Solar-powered heat pump unit capable of freely recovering excess heat
CN102230690B (en) * 2011-07-05 2013-06-05 林昌元 Solar-powered heat pump unit capable of freely recovering excess heat

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: FOSHAN NANHAI JUTENG ENVIRONMENTAL PROTECTION EQUI

Free format text: FORMER OWNER: GUI HAIYAN

Effective date: 20110909

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 425000 YONGZHOU, HUNAN PROVINCE TO: 528200 FOSHAN, GUANGDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110909

Address after: 528200 Guangdong Province Nanhai District of Foshan City Heng Tian Industrial Zone under water

Patentee after: FOSHAN NANHAI JUTENG ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

Address before: 425000 Yongzhou province Hunan city Lingling District Huilong Road No. 44

Patentee before: Gui Haiyan

CX01 Expiry of patent term

Granted publication date: 20090513