CN109059364A - A kind of method of air-conditioning freon purification - Google Patents
A kind of method of air-conditioning freon purification Download PDFInfo
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- CN109059364A CN109059364A CN201810785325.3A CN201810785325A CN109059364A CN 109059364 A CN109059364 A CN 109059364A CN 201810785325 A CN201810785325 A CN 201810785325A CN 109059364 A CN109059364 A CN 109059364A
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- spiral tube
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000000746 purification Methods 0.000 title claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 166
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000009833 condensation Methods 0.000 claims abstract description 61
- 230000005494 condensation Effects 0.000 claims abstract description 61
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 8
- 238000010926 purge Methods 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003845 household chemical Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to freon recovery technology field, specifically a kind of method of air-conditioning freon purification, recyclable device used in this method includes incubator and condensation separator, and the condensation separator is 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；This method uses recyclable device, which does coolant by liquid nitrogen, and the quick recycling of freon is realized in condensation separator heat exchange.
Description
Technical field
The invention belongs to freon recovery technology field, specifically a kind of method of air-conditioning freon purification.
Background technique
Freon is widely used in the fields such as household electrical appliance, foamed plastics, household chemicals, automobile, fire-fighting equipment, especially
It is largely used in air-conditioning, refrigerator as refrigerant.Currently, the whole nation is counting roughly more than one hundred million with air-conditioning, refrigerator also has several ten million
Platform.According to the statistics made by the departments concerned, often it is only the maintenance quantity of air-conditioning, refrigerator at up to ten million, while that scraps also has nearly thousand
Ten thousand or so.The freon tons up to ten thousand that these refrigerators scrapped, air-conditioning class product discharge every year endanger inestimable.It solves
There are mainly two types of modes for freon emission problem: first is that greatly developing floride-free substitute products；Second is that reinforcing the recycling of freon again
It utilizes.Floride-free substitute technology, is just applied to newly developed refrigerator at present, and to it is a large amount of, old money refrigerator, air-conditioning
Deng reinforcing the recycling and reusing of freon, it is very important.
Current recovery method is divided into pressure recovery method, absorption partition method, cooling condensation recycling etc. again substantially both at home and abroad, general
All over because the factors such as technical maturity is not high, process flow is complicated, cost recovery is high restriction；Therefore the invention proposes one kind
The method of air-conditioning freon purification, this method use recyclable device.
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.
This method uses recyclable device, which uses physics cooling means, do cooling using free of contamination liquid nitrogen
Agent, the recycling for realizing freon of convenient and efficient, purified freon can be reused.
Summary of the invention
In order to make up for the deficiencies of the prior art, the method for a kind of air-conditioning freon purification proposed by the present invention, in this method
The heat exchanger tube both ends of air-conditioning are connected by the recyclable device used with condensation separator；Liquid nitrogen is from liquid nitrogen input pipe after opening control valve
Into outer spiral tube, by vortex ball conducting, liquid nitrogen exchanges heat in outer spiral tube and inner helix pipe for inner helix pipe and outer spiral tube
After become nitrogen, then enter the heat exchanger tube of air-conditioning by the outer spiral tube other end；Under nitrogen purge, so that fluorine in heat exchanger tube
The mixed gas of Leon and nitrogen enters in condensation separator from the other end of heat exchanger tube；Into the gaseous mixture in condensation separator
Body and outer spiral tube and inner helix pipe carry out heat exchange, so that liquid fluorine benefit of the gaseous state freon liquefaction from condensation separator bottom
High efferent duct is excluded and is collected；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-conditioning freon purification of the present invention
Method, this method comprises the following steps:
Step 1: air-conditioning gaseous state freon efferent duct and recyclable device ingress pipe are connected；
Step 2: after efferent duct and ingress pipe in step 1 are connected, control valve is opened, opens recyclable device；
Step 3: the liquid freon that recyclable device in step 2 is collected is stored in fluid reservoir；
Step 4: after to freon in step 3 all recycling, control valve is closed；
Step 5: the fluid reservoir equipped with liquid freon is accessed into purification device, is recycled after purification；
Wherein, the recyclable device includes incubator and condensation separator, and the condensation separator is arranged in incubator
It is interior；Nitrogen discharge pipe is provided at the top of the condensation separator；The condensation separator bottom is provided with liquid freon output
Pipe, liquid freon efferent duct are used for recovering liquid freon；Inner helix pipe, outer spiral tube are provided in the condensation separator
With vortex ball；The outer spiral tube is connected by liquid nitrogen input pipe with extraneous nitrogen source；Described outer spiral tube one end and air-conditioning
One end of heat exchanger tube connects, and the outer spiral tube other end is connect with liquid nitrogen input pipe；The other end of heat exchanger tube protrudes into condensation point
Inside device；Control valve is serially connected on the heat exchanger tube；The control valve is used to control the on-off of heat exchanging pipe；The external spiral
Pipe is connected by vortex ball with inner helix pipe；Cavity is equipped with inside the vortex ball, the vortex ball is for being connected external spiral
Pipe and inner helix pipe.In use, the heat exchanger tube both ends of air-conditioning are connected 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.
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.In use, 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.In use, 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.It uses
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.In use, 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.In use, increasing connector by the flanging bore welded connections on incubator and protecting
The leakproofness of incubator.
Preferably, cricoid second heat dam is arranged in the connector outer ring；The second heat dam rectangular in cross-section.Make
Used time is arranged cricoid second heat dam in connector outer ring, can reduce the deformation of connector, and can reduce nitrogen to
The heat transfer of incubator.
Beneficial effects of the present invention are as follows:
1. a kind of method of air-conditioning freon purification of the present invention, recyclable device used in this method is 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.
2. a kind of method of air-conditioning freon purification of the present invention, recyclable device used in this method passes through vortex
Be provided with the air intake branch of inner helix pipe connection, and the initial stage branch pipe that connect with outer spiral tube of setting on ball, air intake branch with
Going out gas branch pipe is parallel to each other, so that mixed gas, which enters in condensation separator, sufficiently to exchange heat；And pass through one group of steel
Cord is suspended between inner helix pipe and outer spiral tube, support is provided for vortex ball, to improve the service life of vortex ball；
Relief hole is set in the weld of vortex ball and wirerope simultaneously, to cut down welding stress, and heat transfer can be reduced,
Reduce contraction distortion.
3. a kind of method of air-conditioning freon purification of the present invention, recyclable device used in this method passes through liquid nitrogen
Connector, the first heat dam of left and right settings on connector, to reduce the heat of liquid nitrogen is arranged in input pipe and incubator junction
Transmitting increases recovery efficiency；And flanging bore is set on incubator, connector is welded on incubator by flanging bore；
Connector outer ring is provided with cricoid second heat dam simultaneously, to reduce heat transfer of the liquid nitrogen to incubator, improves condensation
The heat exchange efficiency of separator, and then improve recovery efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is the flow chart of method of the invention；
Fig. 2 is the overall structure diagram of recyclable device used in the present invention；
Fig. 3 is the structural schematic diagram of vortex ball of the invention；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Fig. 5 is the partial enlarged view in Fig. 2 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 5, a kind of method of air-conditioning freon purification of the present invention, this method include following step
It is rapid:
Step 1: air-conditioning gaseous state freon efferent duct and recyclable device ingress pipe are connected；
Step 2: after efferent duct and ingress pipe in step 1 are connected, control valve is opened, opens recyclable device；
Step 3: the liquid freon that recyclable device in step 2 is collected is stored in fluid reservoir；
Step 4: after to freon in step 3 all recycling, control valve is closed；
Step 5: the fluid reservoir equipped with liquid freon is accessed into purification device, is recycled after purification；
Wherein, the recyclable device includes incubator 1 and condensation separator 2, and the setting of condensation separator 2 is being kept the temperature
In case 1；Nitrogen discharge pipe 21 is provided at the top of the condensation separator 2；2 bottom of condensation separator is provided with liquid fluorine benefit
High efferent duct 22, liquid freon efferent duct 22 are used for recovering liquid freon；Inside spin is provided in the condensation separator 2
Pipe 23, outer spiral tube 24 and vortex ball 25；The outer spiral tube 24 is connected by liquid nitrogen input pipe 26 with extraneous nitrogen source；It is described
24 one end of outer spiral tube is connect with one end of the heat exchanger tube 4 of air-conditioning 3, and 24 other end of outer spiral tube and liquid nitrogen input pipe 26 connect
It connects；The other end of heat exchanger tube 4 protrudes into inside condensation separator 2；Control valve 5 is serially connected on the heat exchanger tube 4；The control valve 5
For controlling the on-off on 4 tunnel of heat exchanger tube；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.In use, by air-conditioning 3
4 both ends of heat exchanger tube are connected with condensation separator 2；Liquid nitrogen is interior from liquid nitrogen input pipe 26 into outer spiral tube 24 after opening control valve 5
Helix tube 23 and outer spiral tube 24 are connected by vortex ball 25, and liquid nitrogen becomes after exchanging heat in outer spiral tube 24 and inner helix pipe 23
Nitrogen, then enter by 24 other end of outer spiral tube the heat exchanger tube 4 of air-conditioning 3；Under nitrogen purge, so that fluorine in heat exchanger tube 4
The mixed gas of Leon and nitrogen enters in condensation separator 2 from the other end of heat exchanger tube 4；Into mixing in condensation separator 2
It closes gas and outer spiral tube 24 and inner helix pipe 23 carries out heat exchange, so that gaseous state freon liquefies from 2 bottom of condensation separator
Liquid freon efferent duct 22 exclude and collect；Nitrogen discharge pipe 21 outlet of the nitrogen from 2 top of condensation 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.In use, 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.In use, 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.In use, 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.In use, 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.In use, passing 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.In use, cricoid second heat dam 62 is arranged 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.
In use, 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 method of air-conditioning freon purification, which is characterized in that this method comprises the following steps:
Step 1: air-conditioning gaseous state freon efferent duct and recyclable device ingress pipe are connected；
Step 2: after efferent duct and ingress pipe in step 1 are connected, control valve is opened, opens recyclable device；
Step 3: the liquid freon that recyclable device in step 2 is collected is stored in fluid reservoir；
Step 4: after to freon in step 3 all recycling, control valve is closed；
Step 5: the fluid reservoir equipped with liquid freon is accessed into purification device, is recycled after purification；
Wherein, the recyclable device includes incubator (1) and condensation separator (2), and condensation separator (2) setting is being protected
In incubator (1)；Nitrogen discharge pipe (21) are provided at the top of the condensation separator (2)；Condensation separator (2) the bottom setting
Have liquid freon efferent duct (22), liquid freon efferent duct (22) is used for recovering liquid freon；The condensation separator
(2) inner helix pipe (23), outer spiral tube (24) and vortex ball (25) are provided in；The outer spiral tube (24) is inputted by liquid nitrogen
Pipe (26) is connected with extraneous nitrogen source；Described outer spiral tube (24) one end is connect with one end of the heat exchanger tube (4) of air-conditioning (3), institute
Outer spiral tube (24) other end is stated to connect with liquid nitrogen input pipe (26)；The other end of heat exchanger tube (4) protrudes into condensation separator (2)
Portion；Control valve (5) are serially connected on the heat exchanger tube (4)；The control valve (5) is used to control the on-off on heat exchanger tube (4) road；It is described
Outer spiral tube (24) is connected by being vortexed ball (25) with inner helix pipe (23)；Cavity, institute are equipped with inside the vortex ball (25)
Vortex ball (25) is stated for outer spiral tube (24) and inner helix pipe (23) to be connected.
2. a kind of method of air-conditioning freon purification according to claim 1, it is characterised in that: inner helix pipe (23) and outside
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 method of air-conditioning freon purification 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 method of air-conditioning freon purification 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 method of air-conditioning freon purification 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 method of air-conditioning freon purification 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 method of air-conditioning freon purification 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785325.3A CN109059364A (en) | 2018-07-17 | 2018-07-17 | A kind of method of air-conditioning freon purification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785325.3A CN109059364A (en) | 2018-07-17 | 2018-07-17 | A kind of method of air-conditioning freon purification |
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| Publication Number | Publication Date |
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| CN109059364A true CN109059364A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810785325.3A Pending CN109059364A (en) | 2018-07-17 | 2018-07-17 | A kind of method of air-conditioning freon purification |
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| 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 |
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2018
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Application publication date: 20181221 |