CN109059366A - A kind of air conditioner freon recovery device - Google Patents

A kind of air conditioner freon recovery device Download PDF

Info

Publication number
CN109059366A
CN109059366A CN201810786161.6A CN201810786161A CN109059366A CN 109059366 A CN109059366 A CN 109059366A CN 201810786161 A CN201810786161 A CN 201810786161A CN 109059366 A CN109059366 A CN 109059366A
Authority
CN
China
Prior art keywords
pipe
outer spiral
spiral tube
freon
ball
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.)
Pending
Application number
CN201810786161.6A
Other languages
Chinese (zh)
Inventor
张同庆
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810786161.6A priority Critical patent/CN109059366A/en
Publication of CN109059366A publication Critical patent/CN109059366A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Abstract

The invention belongs to recycle freon technical field, specifically a kind of air conditioner freon recovery device, including incubator and condensation separator, the condensation separator are arranged in incubator;Nitrogen discharge pipe is provided at the top of the condensation separator;The condensation separator bottom is provided with liquid freon efferent duct, and inner helix pipe, outer spiral tube and vortex ball are provided in the condensation separator;The outer spiral tube is connected by liquid nitrogen input pipe with extraneous nitrogen source;One end of the heat exchanger tube of described outer spiral tube one end and air-conditioning connects, and the outer spiral tube other end is connect with liquid nitrogen input pipe;The outer spiral tube is connected by vortex ball with inner helix pipe;Cavity is equipped with inside the vortex ball, the vortex ball is for being connected outer spiral tube and inner helix pipe.The present invention does coolant by liquid nitrogen, and gaseous state freon sufficiently exchanges heat in condensation separator, to realize the quick recycling of air conditioner liquid freon.

Description

A kind of air conditioner freon recovery device
Technical field
The invention belongs to recycle freon technical field, specifically a kind of air conditioner freon recovery device.
Background technique
It is well known that freon is the arch-criminal of depletion of the ozone layer, one kilogram of freon, which can capture, eliminates about seven kilograms Ozone, after ozone layer is largely lost, the ability of ultraviolet radiation-absorbing weakens significantly, leads to the ultraviolet light for reaching earth surface It obviously increases, brings various harm to human health and ecological environment.At the beginning of 1999, China just once puts into effect one and is intended to protect The plan for protecting ozone layer, according to this plan, China should be forbidden to use freon on January 1st, 2010.On September 27th, 2010, " the controlled ozone depleting substances of China is clear for the joint publication of three department such as Environmental Protection Department, State Development and Reform Commission, the Ministry of Industry and Information Technology Bulletin singly " makes the regulation of stopping or limitation production to substances such as CFC, HCFC.But old household electrical appliances using freon etc. produce Product can only be phased out with its update, and since novel refrigerant is at high price, need to redesign system etc. factor So that freon is also needed for a long time by novel refrigerant substitution.Investigate according to the relevant personnel: on August 1st, 2013, China was still Freon is largely used, over the next several years even in many decades, the usage amount of Chinese freon still can remain high, this is just fluorine The recycling of Leon proposes urgent requirement.
Also occur the technical solution of some freon recovery devices in the prior art, such as application No. is 2014108108828 Chinese patent discloses a kind of freon recovery device, including condensation separator, condensation separator Side offer the import of gaseous state freon and liquid nitrogen import;Nitrogen outlet is offered at the top of condensation separator, bottom opens up There is the liquid freon outlet for recovering liquid freon;Heat exchange coil is provided in condensation separator, heat exchange coil enters Mouth is connected by liquid nitrogen import with extraneous liquid nitrogen source, one end phase that outlet passes through cold insulation pipeline and the heat exchanger tube of refrigerator all the way Even, the other end of heat exchanger tube is connected with gaseous state freon import;Nitrogen is by being connected to the another way cold insulation pipeline of nitrogen outlet Outlet.Simple process, the rate of recovery is high, simultaneously can reduce freon discharge with batch making modular system, a large amount of high efficiente callback resources, Environment social benefit is excellent.
The technical solution can be realized the recycling of freon, but the heat exchange of condensation separator is not enough filled in the program Point, efficiency has much room for improvement;In view of the foregoing drawbacks, the invention proposes a kind of air conditioner freon recovery device, it can be realized height The recycling freon of efficiency.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of air conditioner freon recovery device proposed by the present invention, by will be empty The heat exchanger tube both ends of tune are connected with condensation separator;Liquid nitrogen enters outer spiral tube, interior spiral shell from liquid nitrogen input pipe after opening control valve By vortex ball conducting, liquid nitrogen becomes nitrogen after exchanging heat in outer spiral tube and inner helix pipe, then passes through for coil and outer spiral tube The outer spiral tube other end enters the heat exchanger tube of air-conditioning;Under nitrogen purge, so that in heat exchanger tube freon and nitrogen mixing Gas enters in condensation separator from the other end of heat exchanger tube;Into mixed gas and outer spiral tube in condensation separator and interior Helix tube carries out heat exchange, so that the liquefaction of gaseous state freon is excluded and received from the liquid freon efferent duct of condensation separator bottom Collection;Nitrogen is from the nitrogen discharge pipe outlet at the top of condensation separator.
The technical solution adopted by the present invention to solve the technical problems is: a kind of air conditioner freon time of the present invention Receiving apparatus, including incubator and condensation separator, the condensation separator are arranged in incubator;At the top of the condensation separator It is provided with nitrogen discharge pipe;The condensation separator bottom is provided with liquid freon efferent duct, and liquid freon output is effective In recovering liquid freon;Inner helix pipe, outer spiral tube and vortex ball are provided in the condensation separator;The outer spiral tube It is connected by liquid nitrogen input pipe with extraneous nitrogen source;One end of the heat exchanger tube of described outer spiral tube one end and air-conditioning connects, described The outer spiral tube other end is connect with liquid nitrogen input pipe;The other end of heat exchanger tube protrudes into inside condensation separator;On the heat exchanger tube It is serially connected with control valve;The control valve is used to control the on-off of heat exchanging pipe;The outer spiral tube passes through vortex ball and inside spin Pipe is connected;Cavity is equipped with inside the vortex ball, the vortex ball is for being connected outer spiral tube and inner helix pipe.When work, The heat exchanger tube both ends of air-conditioning are connected with condensation separator;Liquid nitrogen enters outer spiral tube from liquid nitrogen input pipe after opening control valve, By vortex ball conducting, liquid nitrogen becomes nitrogen after exchanging heat in outer spiral tube and inner helix pipe for inner helix pipe and outer spiral tube, then Enter the heat exchanger tube of air-conditioning by the outer spiral tube other end;Under nitrogen purge, so that freon and nitrogen in heat exchanger tube Mixed gas enters in condensation separator from the other end of heat exchanger tube;Into the mixed gas and outer spiral tube in condensation separator Heat exchange is carried out with inner helix pipe, so that the liquefaction of gaseous state freon is excluded from the liquid freon efferent duct of condensation separator bottom And it collects;Nitrogen is from the nitrogen discharge pipe outlet at the top of condensation separator.
Preferably, vortex ball is equipped between inner helix pipe and outer spiral tube, the vortex ball and inner helix pipe pass through air inlet Branch pipe is connected;The vortex ball is connected with outer spiral tube by going out gas branch pipe;The air intake branch and going out gas branch pipe are mutual In parallel;The air intake branch and going out gas branch pipe and vortex ball inner ring are tangent.When work, the mixed gas of gaseous state freon and nitrogen Into in condensation separator, mixed gas is directed in vortex ball by the air intake branch on inner helix pipe, and is vortexed ball and is passed through outlet Mixed gas is directed in outer spiral tube by branch pipe;To realize the abundant heat exchange of mixed gas, recovery efficiency is improved.
Preferably, the vortex ball is by one group of wire rope suspensioning between inner helix pipe and outer spiral tube.When work, whirlpool Ball is flowed through one group of wire rope suspensioning between inner helix pipe and outer spiral tube, support is provided for vortex ball, so as to mention The service life of high-eddy ball, while increasing the service life of condensation separator.
Preferably, relief hole is arranged in vortex ball and wirerope weld;The relief hole is for cutting down welding stress.Work When, the welding between different materials will lead to contraction distortion, and relief hole is arranged in weld, can cut down welding stress, reduce Heat transfer reduces contraction distortion.
Preferably, connector is arranged in the liquid nitrogen input pipe and incubator junction;It is symmetrically set on the connector Set the first heat dam, the first heat-insulated rectangular shape of slot cross-section.When work, connector is arranged in liquid nitrogen inlet, on connector It is symmetrical set the first heat dam, so as to reduce the heat transfer of liquid nitrogen, increases recovery efficiency.
Preferably, the incubator is equipped with flanging bore, and the flanging bore inner side and outer side is welded on connector;Institute State installation of the flanging bore for connector.When work, by the flanging bore welded connections on incubator, increases connector and protect The leakproofness of incubator.
Preferably, cricoid second heat dam is arranged in the connector outer ring;The second heat dam rectangular in cross-section.Work When making, cricoid second heat dam is set in connector outer ring, the deformation of connector can be reduced, and can reduce nitrogen to The heat transfer of incubator.
Beneficial effects of the present invention are as follows:
1. the heat exchanger tube both ends of air-conditioning by being connected by the present invention with condensation separator;Liquid nitrogen is from liquid nitrogen after opening control valve Input pipe enters outer spiral tube, inner helix pipe and outer spiral tube by vortex ball conducting, and liquid nitrogen is in outer spiral tube and inner helix pipe Become nitrogen after middle heat exchange, then enters the heat exchanger tube of air-conditioning by the outer spiral tube other end;Under nitrogen purge, so that heat exchange The mixed gas of freon and nitrogen enters in condensation separator from the other end of heat exchanger tube in pipe;Into in condensation separator Mixed gas and outer spiral tube and inner helix pipe carry out heat exchange, so that liquid of the gaseous state freon liquefaction from condensation separator bottom State freon efferent duct is excluded and is collected;Nitrogen is from the nitrogen discharge pipe outlet at the top of condensation separator.
2. the air intake branch that the present invention is connected by being provided with inner helix pipe on vortex ball, and setting connect with outer spiral tube The initial stage branch pipe connect, air intake branch and going out gas branch pipe are parallel to each other, so that enter in condensation separator can for mixed gas Sufficiently heat exchange;And through one group of wire rope suspensioning between inner helix pipe and outer spiral tube, support is provided for vortex ball, from And improve the service life of vortex ball;Relief hole is set in the weld of vortex ball and wirerope simultaneously, is answered to cut down welding Power, and heat transfer can be reduced, reduce contraction distortion.
3. connector is arranged by liquid nitrogen input pipe and incubator junction in the present invention, on connector left and right settings first every Heat channel increases recovery efficiency to reduce the heat transfer of liquid nitrogen;And flanging bore is set on incubator, passes through flanging bore Connector is welded on incubator;Connector outer ring is provided with cricoid second heat dam simultaneously, to reduce liquid nitrogen to guarantor The heat transfer of incubator, improves the heat exchange efficiency of condensation separator, and then improves recovery efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the structural schematic diagram of vortex ball of the invention;
Fig. 3 is the partial enlarged view in Fig. 2 at A;
Fig. 4 is the partial enlarged view in Fig. 1 at B;
In figure: incubator 1, flanging bore 11, condensation separator 2, nitrogen discharge pipe 21, liquid freon efferent duct 22, interior Helix tube 23, air intake branch 231, outer spiral tube 24, going out gas branch pipe 241, vortex ball 25, wirerope 251, relief hole 252, liquid nitrogen Input pipe 26, air-conditioning 3, heat exchanger tube 4, control valve 5, connector 6, the first heat dam 61, the second heat dam 62.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of air conditioner freon recovery device of the present invention, including incubator 1 and condensation Separator 2, the condensation separator 2 are arranged in incubator 1;Nitrogen discharge pipe 21 is provided at the top of the condensation separator 2; 2 bottom of condensation separator is provided with liquid freon efferent duct 22, and liquid freon efferent duct 22 is used for recovering liquid fluorine Leon;Inner helix pipe 23, outer spiral tube 24 and vortex ball 25 are provided in the condensation separator 2;The outer spiral tube 24 is logical Liquid nitrogen input pipe 26 is crossed to be connected with extraneous nitrogen source;Described 24 one end of outer spiral tube is connect with one end of the heat exchanger tube 4 of air-conditioning 3, 24 other end of outer spiral tube is connect with liquid nitrogen input pipe 26;The other end of heat exchanger tube 4 protrudes into inside condensation separator 2;Institute It states and is serially connected with control valve 5 on heat exchanger tube 4;The control valve 5 is used to control the on-off on 4 tunnel of heat exchanger tube;The outer spiral tube 24 is logical Vortex ball 25 is crossed to be connected with inner helix pipe 23;Cavity is equipped with inside the vortex ball 25, the vortex ball 25 is outer for being connected Helix tube 24 and inner helix pipe 23.When work, 4 both ends of heat exchanger tube of air-conditioning 3 are connected with condensation separator 2;Open control valve 5 Liquid nitrogen enters outer spiral tube 24, inner helix pipe 23 and outer spiral tube 24 from liquid nitrogen input pipe 26 and is connected by vortex ball 25 afterwards, liquid Nitrogen becomes nitrogen after exchanging heat in outer spiral tube 24 and inner helix pipe 23, then enters air-conditioning 3 by 24 other end of outer spiral tube Heat exchanger tube 4;Under nitrogen purge, so that in heat exchanger tube 4 mixed gas of freon and nitrogen from the other end of heat exchanger tube 4 into Enter in condensation separator 2;Hot friendship is carried out with outer spiral tube 24 and inner helix pipe 23 into the mixed gas in condensation separator 2 It changes, so that the liquefaction of gaseous state freon is excluded and collected from the liquid freon efferent duct 22 of 2 bottom of condensation separator;Nitrogen is from cold 21 outlet of nitrogen discharge pipe at solidifying 2 top of separator.
Vortex ball 25 is equipped with as a kind of embodiment of the invention, between inner helix pipe 23 and outer spiral tube 24, it is described Vortex ball 25 is connected with inner helix pipe 23 by air intake branch 231;The vortex ball 25 passes through outlet branch with outer spiral tube 24 Pipe 241 is connected;The air intake branch 231 and going out gas branch pipe 241 are parallel to each other;The air intake branch 231 and going out gas branch pipe 241 It is tangent with vortex 25 inner ring of ball.When work, the mixed gas of gaseous state freon and nitrogen enters in condensation separator 2, inside spin Mixed gas is directed in vortex ball 25 by the air intake branch 231 on pipe 23, and is vortexed ball 25 and is passed through going out gas branch pipe 241 for gaseous mixture Body is directed in outer spiral tube 24;To realize the abundant heat exchange of mixed gas, recovery efficiency is improved.
As a kind of embodiment of the invention, the vortex ball 25 is suspended in inner helix pipe by one group of wirerope 251 Between 23 and outer spiral tube 24.When work, vortex ball 25 is suspended in inner helix pipe 23 and outer spiral tube by one group of wirerope 251 Between 24, support is provided for vortex ball 25, so as to improve the service life of vortex ball 25, while increasing condensation separation The service life of device 2.
As a kind of embodiment of the invention, it is vortexed ball 25 and relief hole 252 is arranged in 251 weld of wirerope;It is described Relief hole 252 is for cutting down welding stress.When work, the welding between different materials will lead to contraction distortion, set in weld Relief hole 252 is set, welding stress can be cut down, reduces heat transfer, reduces contraction distortion.
As a kind of embodiment of the invention, connector 6 is arranged with 1 junction of incubator in the liquid nitrogen input pipe 26; The first heat dam 61, the rectangular shape in 61 section of the first heat dam are symmetrical set on the connector 6.When work, liquid Connector 6 is arranged in nitrogen inlet, the first heat dam 61 is symmetrical set on connector 6, so as to reduce the heat of liquid nitrogen Transmitting increases recovery efficiency.
As a kind of embodiment of the invention, the incubator 1 is equipped with flanging bore 11,11 inside of the flanging bore and Outside is welded on connector 6;The flanging bore 11 is used for the installation of connector 6.When work, pass through turning on incubator 1 Lateral opening 11 welded connections 6 increases the leakproofness of connector 6 and incubator 1.
As a kind of embodiment of the invention, cricoid second heat dam 62 is arranged in 6 outer ring of connector;Described Two heat dams, 62 rectangular in cross-section.When work, cricoid second heat dam 62 is set in 6 outer ring of connector, connection can be reduced The deformation of part 6, and heat transfer of the nitrogen to incubator 1 can be reduced.
When work, 4 both ends of heat exchanger tube of air-conditioning 3 are connected with condensation separator 2;Liquid nitrogen is from liquid nitrogen after opening control valve 5 Input pipe 26 enters outer spiral tube 24, inner helix pipe 23 and outer spiral tube 24 and is connected by vortex ball 25, and liquid nitrogen is in outer spiral tube 24 and inner helix pipe 23 in exchange heat after become nitrogen, then enter the heat exchanger tube 4 of air-conditioning 3 by 24 other end of outer spiral tube;In nitrogen Under the purging of gas, so that the mixed gas of freon and nitrogen from the other end of heat exchanger tube 4 enters condensation separator in heat exchanger tube 4 In 2;Mixed gas is directed in vortex ball 25 by the air intake branch 231 on inner helix pipe 23, and is vortexed ball 25 and is passed through going out gas branch pipe 241 are directed at mixed gas in outer spiral tube 24;To realize the abundant heat exchange of mixed gas, so that gaseous state freon liquefies It excludes and collects from the liquid freon efferent duct 22 of 2 bottom of condensation separator;Nitrogen row of the nitrogen from 2 top of condensation separator 21 outlet of outlet pipe.Vortex ball 25 is suspended between inner helix pipe 23 and outer spiral tube 24 by one group of wirerope 251 simultaneously, steel On 251 one end of cord welding vortex ball 25, support is provided to vortex ball 25, so as to improve the service life of vortex ball 25, The service life of condensation separator 2 is increased simultaneously.Since the welding between different materials will lead to contraction distortion, so in steel Relief hole 252 is arranged in the weld of cord 251, so as to cut down welding stress, reduces heat transfer, reduces contraction distortion. And liquid nitrogen input pipe 26 and incubator 1 are connected with connector 6, flanging bore 11 is set on incubator 1;Connector 6 passes through flange Hole 11 is welded on incubator 1, and the first heat dam 61 that section is rectangular in shape is symmetrical set on connector 6, can be reduced The heat transmitting of liquid nitrogen;Simultaneously cricoid second heat dam 62 is set on the outer ring of connector 6, for reduce contraction distortion and Heat transfer of the nitrogen to incubator 1.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (7)

1. a kind of air conditioner freon recovery device, it is characterised in that: described cold including incubator (1) and condensation separator (2) Solidifying separator (2) setting is in incubator (1);Nitrogen discharge pipe (21) are provided at the top of the condensation separator (2);It is described cold Solidifying separator (2) bottom is provided with liquid freon efferent duct (22), and liquid freon efferent duct (22) is used for recovering liquid fluorine Leon;Inner helix pipe (23), outer spiral tube (24) and vortex ball (25) are provided in the condensation separator (2);The outer spiral shell Coil (24) is connected by liquid nitrogen input pipe (26) with extraneous nitrogen source;Described outer spiral tube (24) one end is changed with air-conditioning (3) One end of heat pipe (4) connects, and outer spiral tube (24) other end is connect with liquid nitrogen input pipe (26);Heat exchanger tube (4) it is another It is internal that condensation separator (2) is protruded at end;Control valve (5) are serially connected on the heat exchanger tube (4);The control valve (5) is for controlling The on-off on heat exchanger tube (4) road;The outer spiral tube (24) is connected by being vortexed ball (25) with inner helix pipe (23);The vortex Cavity is equipped with inside ball (25), the vortex ball (25) is for being connected outer spiral tube (24) and inner helix pipe (23).
2. a kind of air conditioner freon recovery device according to claim 1, it is characterised in that: inner helix pipe (23) and outer Vortex ball (25) is equipped between helix tube (24), the vortex ball (25) passes through air intake branch (231) phase with inner helix pipe (23) Connection;The vortex ball (25) is connected with outer spiral tube (24) by going out gas branch pipe (241);The air intake branch (231) and Going out gas branch pipe (241) is parallel to each other;The air intake branch (231) and going out gas branch pipe (241) and vortex ball (25) inner ring are tangent.
3. a kind of air conditioner freon recovery device according to claim 2, it is characterised in that: the vortex ball (25) is logical One group of wirerope (251) is crossed to be suspended between inner helix pipe (23) and outer spiral tube (24).
4. a kind of air conditioner freon recovery device according to claim 3, it is characterised in that: vortex ball (25) and steel wire Relief hole (252) are arranged in (251) weld of restricting;The relief hole (252) is for cutting down welding stress.
5. a kind of air conditioner freon recovery device according to claim 1, it is characterised in that: the liquid nitrogen input pipe (26) connector (6) are set with incubator (1) junction;The first heat dam (61) are symmetrical set on the connector (6), The rectangular shape in first heat dam (61) section.
6. a kind of air conditioner freon recovery device according to claim 5, it is characterised in that: on the incubator (1) Equipped with flanging bore (11), flanging bore (11) inner side and outer side is welded on connector (6);The flanging bore (11) is used for The installation of connector (6).
7. a kind of air conditioner freon recovery device according to claim 6, it is characterised in that: the connector (6) is outside Cricoid second heat dam (62) is arranged in circle;Second heat dam (62) rectangular in cross-section.
CN201810786161.6A 2018-07-17 2018-07-17 A kind of air conditioner freon recovery device Pending CN109059366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810786161.6A CN109059366A (en) 2018-07-17 2018-07-17 A kind of air conditioner freon recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810786161.6A CN109059366A (en) 2018-07-17 2018-07-17 A kind of air conditioner freon recovery device

Publications (1)

Publication Number Publication Date
CN109059366A true CN109059366A (en) 2018-12-21

Family

ID=64817143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810786161.6A Pending CN109059366A (en) 2018-07-17 2018-07-17 A kind of air conditioner freon recovery device

Country Status (1)

Country Link
CN (1) CN109059366A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2208688Y (en) * 1994-05-27 1995-09-27 金远东冷冻空调有限公司 Refrigerant recovery machine
CN1118867A (en) * 1994-05-10 1996-03-20 哈德逊技术公司 Method and apparatus for refrigerant reclamation
CN1203350A (en) * 1997-04-07 1998-12-30 约克国际有限公司 Enhanced refrigerant recovery system
CN2371532Y (en) * 1999-05-28 2000-03-29 史建国 Double screw sheath device for heating water and heating
CN104501485A (en) * 2014-12-23 2015-04-08 西北工业大学 Equipment and method for recycling freon in refrigerators
CN104833146A (en) * 2015-04-15 2015-08-12 王子忠 Multi-tube heat recovery type reservoir

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1118867A (en) * 1994-05-10 1996-03-20 哈德逊技术公司 Method and apparatus for refrigerant reclamation
CN2208688Y (en) * 1994-05-27 1995-09-27 金远东冷冻空调有限公司 Refrigerant recovery machine
CN1203350A (en) * 1997-04-07 1998-12-30 约克国际有限公司 Enhanced refrigerant recovery system
CN2371532Y (en) * 1999-05-28 2000-03-29 史建国 Double screw sheath device for heating water and heating
CN104501485A (en) * 2014-12-23 2015-04-08 西北工业大学 Equipment and method for recycling freon in refrigerators
CN104833146A (en) * 2015-04-15 2015-08-12 王子忠 Multi-tube heat recovery type reservoir

Similar Documents

Publication Publication Date Title
CN103604255B (en) Condenser and comprise the air-conditioner of this condenser
CN109059366A (en) A kind of air conditioner freon recovery device
CN109269071A (en) Heat exchanger assembly and air conditioner indoor unit
CN108344159A (en) A kind of water guide structure, heat exchanger and air conditioner indoor unit with it
CN208936818U (en) A kind of finned gas cooler of efficiency compact high
CN102997503A (en) Heat exchanger and heat pump outdoor unit and heat pump air conditioner using same
CN206771814U (en) Evaporator and there is its air conditioner
CN207413350U (en) A kind of energy comprehensive utilization system that cooling pressure release is carried out to high temperature, reaction under high pressure
CN109899956A (en) A kind of installation method of multi-connected air conditioning system
CN205747569U (en) A kind of air conditioning system
CN109282482A (en) Heat exchanger assembly and air conditioner indoor unit
CN109059364A (en) A kind of method of air-conditioning freon purification
CN209098704U (en) A kind of blast furnace furnace wall dual-cooled circulatory system
CN209147521U (en) Cooling system, compressor, gas-liquid separator and air-conditioning system
CN209726366U (en) Mode converter and air-conditioning system
CN209263317U (en) A kind of modularization surface air cooler
CN105783320A (en) Air conditioner system
CN220488619U (en) Concentrated drainage device of compressed air energy storage power station
CN206073494U (en) A kind of heat pump and the automobile with which
CN219757063U (en) Cement clinker waste heat power generation device
CN220664151U (en) Air supply device for air supply pipeline
CN108344162A (en) A kind of angular frame structure, heat exchanger and air conditioner indoor unit with it
CN109000490A (en) Double-tube heat exchanger
CN218269649U (en) Full-automatic oil return device of large-scale refrigerating system
CN107760327A (en) A kind of dry coke quenching process units with interior circulating cooling function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181221

RJ01 Rejection of invention patent application after publication