CN108592468A - A kind of low temperature auxiliary recycling unit - Google Patents

A kind of low temperature auxiliary recycling unit Download PDF

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Publication number
CN108592468A
CN108592468A CN201810409142.1A CN201810409142A CN108592468A CN 108592468 A CN108592468 A CN 108592468A CN 201810409142 A CN201810409142 A CN 201810409142A CN 108592468 A CN108592468 A CN 108592468A
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CN
China
Prior art keywords
oil eliminator
compressor
heat exchanger
valve
high pressure
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.)
Withdrawn
Application number
CN201810409142.1A
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Chinese (zh)
Inventor
顾晓航
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Individual
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Individual
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Publication date
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Priority to CN201810409142.1A priority Critical patent/CN108592468A/en
Publication of CN108592468A publication Critical patent/CN108592468A/en
Withdrawn legal-status Critical Current

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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
    • F25B45/00Arrangements for charging or discharging refrigerant
    • 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
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • 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
    • F25B43/02Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The invention discloses a kind of low temperature to assist recycling unit, including the first compressor, first oil eliminator, second oil eliminator and the second compressor, first-hand valve is connected on second oil eliminator, second filter, first compression motor spindle is provided with gas-liquid separator, gas-liquid separator is connect with the first compressor, first compressor is connected with the first oil eliminator, first oil eliminator connects condenser by the first check valve, condenser bottom connects heat exchanger, it is voltage-controlled that the first high pressure is provided on heat exchanger, third high pressure gauge and manual relief valve, three connections are also connected with by the 5th solenoid valve on second air driven pump.The recycling unit recycle some critical-temperatures are relatively low, critical pressure higher refrigerant when, condensation temperature can be reduced to 20 degree or so by the recovery system of low temperature supplement heat rejecter, refrigerant is liquefied, the refrigerant of high pressure is pressed into steel cylinder using Pneumatic booster pump simultaneously, it is conveniently operated, it is highly practical.

Description

A kind of low temperature auxiliary recycling unit
Technical field
The invention belongs to a kind of recycling machines, specifically, being related to a kind of low temperature auxiliary recycling unit.
Background technology
The principle for recycling refrigerant is to use compressor(Or pump)By the refrigerant sucking in air conditioner refrigerating unit, so Enter cooling, the refrigerant after liquefaction in air-cooled condenser or water-cooled condenser afterwards and enters storage cylinder fitted.But in recycling one A little critical-temperatures are relatively low, critical pressure higher refrigerant when, if refrigerant critical-temperature is 23.6 degree, critical pressure 4060KPa, using common air-cooled(Condensation temperature 45 or so)Or water cooling(35 degree or so of condensation temperature), can not be by refrigerant Liquefaction, simultaneously as when critical pressure height uses common compressor compresses, pressure at expulsion will can be held far beyond compressor The upper pressure limit received.
Invention content
The purpose of the present invention is to provide a kind of low temperature to assist recycling unit, to solve mentioned above in the background art ask Topic.
To achieve the above object, the present invention provides the following technical solutions:
A kind of low temperature auxiliary recycling unit, including the first compressor, the first oil eliminator, the second oil eliminator and the second compression Machine, first-hand valve, the second filter are connected on second oil eliminator, and the first compression motor spindle is provided with gas-liquid separation Device, gas-liquid separator are connect with the first compressor, and first compressor is connected with the first oil eliminator, the first oil eliminator Condenser is connected by the first check valve, the condenser bottom connects heat exchanger, first is provided on the heat exchanger High pressure is voltage-controlled, third high pressure gauge and manual relief valve, and also three companies are connected with by the 5th solenoid valve on second air driven pump It connects.
As the further scheme of the present invention:First air driven pump is connect by the way that the first high pressure is voltage-controlled with heat exchanger.
As further scheme of the invention:It is provided on second oil eliminator and completes voltage-controlled, the second high pressure gauge; And second oil eliminator connect with heat exchanger by second solenoid valve, and the connecting pipe between the heat exchanger and heat exchanger On be disposed with third solenoid valve, the second compressor, the 4th solenoid valve and the second check valve.
As further scheme of the invention:Second oil eliminator is disposed with the second visor and draining valve, It is provided with low-pressure meter and the first high pressure gauge on first compressor.
As further scheme of the invention:The exchanger base is connected with the second air driven pump, on the second air driven pump Once it is provided with voltage-controlled third visor, third check valve, the second high pressure, the 4th high pressure gauge and second-hand's valve.
As further scheme of the invention:Be provided between the condenser and the heat exchanger the first visor and Expansion valve.
Compared with prior art, the beneficial effects of the invention are as follows:
The recycling unit recycle some critical-temperatures are relatively low, critical pressure higher refrigerant when, pass through low temperature supplement heat rejecter Recovery system condensation temperature can be reduced to -20 degree left and right so that refrigerant can be liquefied, while be increased using pneumatic The refrigerant of high pressure is pressed into steel cylinder by press pump, is conveniently operated, highly practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of low temperature auxiliary recycling unit.
In figure:The first compressors of 1-;The first oil eliminators of 2-;3- condensers;4- first filters;The first visors of 5-;6- Expansion valve;7- heat exchangers;8- liquid level gauges;9- gas-liquid separators;10- is voltage-controlled;11- low-pressure meters;The first high pressure gauges of 12-;13- first Solenoid valve;The first check valves of 14-;The first-hand valves of 15-;The second filters of 16-;The second visors of 17-;18- draining valves;19- second Oil eliminator;20- completes voltage-controlled;The second high pressure gauges of 21-;22- second solenoid valves;The first press of 23- is voltage-controlled;The second press of 24- It is voltage-controlled;25- third solenoid valves;The first air driven pumps of 26-;The 4th solenoid valves of 27-;The second compressors of 28-;The second check valves of 29-; The first high pressures of 30- are voltage-controlled;31- safety valves;32- third high pressure gauges;The manual relief valves of 33-;34- thermometers;The 4th electromagnetism of 35- Valve;The second air driven pumps of 36-;37- third visors;38- third check valves;The second high pressures of 39- are voltage-controlled;The 4th high pressure gauges of 40-;41- Second-hand's valve;The 5th solenoid valves of 42-;The 6th solenoid valves of 43-;44- three linked pieces.
Specific implementation mode
Technical scheme of the present invention is described in more detail With reference to embodiment.
As shown in Figure 1, a kind of low temperature auxiliary recycling unit, including the first compressor 1, the first oil eliminator 2, the second oil From device 19 and the second compressor 28, it is connected with first-hand valve 15, the second filter 16 on second oil eliminator 19, passes through Hand valve 15 open, refrigerant by the second filter 16 filter after enter the second oil eliminator 19 in, the second oil eliminator 19 according to It is secondary to be provided with the second visor 17 and draining valve 18.
Low-pressure meter 11 and the first high pressure gauge 12 are provided on first compressor 1, and 1 bottom of the first compressor is arranged There are gas-liquid separator 9, gas-liquid separator 9 to be connect with the first compressor 1, first compressor 1 is connected with the first oil separation Device 2, the first oil eliminator 2 connect condenser 3 by the first check valve 14, and 4 bottom of condenser connects heat exchanger 7, institute It is provided with the first visor 5 and expansion valve 6 between the condenser 4 and the heat exchanger 7 stated, is provided on the heat exchanger 7 First high pressure is voltage-controlled 31, third high pressure gauge 32 and manual relief valve 33,7 bottom of heat exchanger are connected with the second air driven pump 36,36 last time of the second air driven pump is provided with voltage-controlled 39, the 4th high pressure gauge of third visor 37, third check valve 38, the second high pressure 40 and second-hand's valve 41;Three connections 44 are also connected with by the 5th solenoid valve 42 on second air driven pump 36.
First air driven pump 26 is connect by the first high pressure voltage-controlled 30 with heat exchanger 7.
It is provided on second oil eliminator 19 and completes voltage-controlled 20, second high pressure gauge 21;And second oil eliminator 29 It is connect with heat exchanger 7 by second solenoid valve 22, and is set successively in the connecting pipe between the heat exchanger 19 and heat exchanger 7 It is equipped with third solenoid valve 25, the second compressor 28, the 4th solenoid valve 27 and the second check valve 29.
The operation principle of the present invention is that:
Refrigeration system produces the low temperature of -20 degree first, and after temperature reaches requirement, the refrigerant being recovered is straight-through first into heat exchange Wherein cooling down, when pressure drops to certain value, the first air driven pump 26 of entrance acts, and refrigerant is pumped into heat exchanger Interior, when pressure continues to drop to certain value, the second compressor 28 of entrance acts, and residual refrigeration agent is pumped into heat exchanger; When the liquid level gauge 8 in heat exchanger, which senses liquid level, reaches certain value, the first air driven pump 26 of outlet acts, by the system after liquefaction Cryogen is pumped out in holding vessel.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (6)

1. a kind of low temperature auxiliary recycling unit, which is characterized in that including the first compressor(1), the first oil eliminator(2), second Oil eliminator(19)With the second compressor(28), second oil eliminator(19)On be connected with first-hand valve(15), second Filter(16), the first compressor(1)Bottom is provided with gas-liquid separator(9), gas-liquid separator(9)With the first compressor(1) Connection, first compressor(1)It is connected with the first oil eliminator(2), the first oil eliminator(2)Pass through the first check valve (14)Connect condenser(3), the condenser(4)Bottom connects heat exchanger(7), the heat exchanger(7)On be provided with One high pressure is voltage-controlled(31), third high pressure gauge(32)With manual relief valve(33), second air driven pump(36)On also pass through Five solenoid valves(42)It is connected with three connections(44).
2. a kind of low temperature auxiliary recycling unit according to claim 1, which is characterized in that first air driven pump(26) It is voltage-controlled by the first high pressure(30)With heat exchanger(7)Connection.
3. a kind of low temperature auxiliary recycling unit according to claim 1, which is characterized in that second oil eliminator (19)On be provided with complete it is voltage-controlled(20), the second high pressure gauge(21);And second oil eliminator(29)Pass through second solenoid valve(22) With heat exchanger(7)Connection, and the heat exchanger(19)With heat exchanger(7)Between connecting pipe on be disposed with third electricity Magnet valve(25), the second compressor(28), the 4th solenoid valve(27)With the second check valve(29).
4. a kind of low temperature auxiliary recycling unit according to claim 1, which is characterized in that second oil eliminator (19)It is disposed with the second visor(17)And draining valve(18), first compressor(1)On be provided with low-pressure meter(11) With the first high pressure gauge(12).
5. a kind of low temperature auxiliary recycling unit according to claim 1, which is characterized in that the heat exchanger(7)Bottom It is connected with the second air driven pump(36), the second air driven pump(36)Last time is provided with third visor(37), third check valve(38), Two high pressures are voltage-controlled(39), the 4th high pressure gauge(40)With second-hand's valve(41).
6. a kind of low temperature auxiliary recycling unit according to claim 1, which is characterized in that the condenser(4)With institute The heat exchanger stated(7)Between be provided with the first visor(5)And expansion valve(6).
CN201810409142.1A 2018-05-02 2018-05-02 A kind of low temperature auxiliary recycling unit Withdrawn CN108592468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810409142.1A CN108592468A (en) 2018-05-02 2018-05-02 A kind of low temperature auxiliary recycling unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810409142.1A CN108592468A (en) 2018-05-02 2018-05-02 A kind of low temperature auxiliary recycling unit

Publications (1)

Publication Number Publication Date
CN108592468A true CN108592468A (en) 2018-09-28

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CN201810409142.1A Withdrawn CN108592468A (en) 2018-05-02 2018-05-02 A kind of low temperature auxiliary recycling unit

Country Status (1)

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CN (1) CN108592468A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10259971A (en) * 1997-03-19 1998-09-29 Hitachi Bill Shisetsu Eng Kk On-site regeneration method of refrigerant for refrigerator and on-site regeneration device
JP2003302127A (en) * 2002-04-09 2003-10-24 Daikin Ind Ltd Refrigeration equipment
EP2354723A2 (en) * 2010-02-08 2011-08-10 LG Electronics Inc. Refrigerant system
CN203163339U (en) * 2013-02-26 2013-08-28 杭州劳达实业有限公司 Water-cooled cooling-heating-integrated water temperature control machine
KR20130096960A (en) * 2012-02-23 2013-09-02 엘지전자 주식회사 Air conditioner
CN107166806A (en) * 2017-06-14 2017-09-15 广东芬尼克兹节能设备有限公司 The heat pump set system of refrigerant recovering can be carried out
CN108168166A (en) * 2018-02-01 2018-06-15 青岛绿环工业设备有限公司 A kind of low temperature auxiliary refrigerant recovery system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10259971A (en) * 1997-03-19 1998-09-29 Hitachi Bill Shisetsu Eng Kk On-site regeneration method of refrigerant for refrigerator and on-site regeneration device
JP2003302127A (en) * 2002-04-09 2003-10-24 Daikin Ind Ltd Refrigeration equipment
EP2354723A2 (en) * 2010-02-08 2011-08-10 LG Electronics Inc. Refrigerant system
KR20130096960A (en) * 2012-02-23 2013-09-02 엘지전자 주식회사 Air conditioner
CN203163339U (en) * 2013-02-26 2013-08-28 杭州劳达实业有限公司 Water-cooled cooling-heating-integrated water temperature control machine
CN107166806A (en) * 2017-06-14 2017-09-15 广东芬尼克兹节能设备有限公司 The heat pump set system of refrigerant recovering can be carried out
CN108168166A (en) * 2018-02-01 2018-06-15 青岛绿环工业设备有限公司 A kind of low temperature auxiliary refrigerant recovery system

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Application publication date: 20180928