JPH11347337A - Regeneration device for refrigerant recovery device and regeneration method - Google Patents
Regeneration device for refrigerant recovery device and regeneration methodInfo
- Publication number
- JPH11347337A JPH11347337A JP10163790A JP16379098A JPH11347337A JP H11347337 A JPH11347337 A JP H11347337A JP 10163790 A JP10163790 A JP 10163790A JP 16379098 A JP16379098 A JP 16379098A JP H11347337 A JPH11347337 A JP H11347337A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- refrigerant recovery
- recovery
- solid adsorbent
- adsorbed
- 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
Links
- 239000003507 refrigerant Substances 0.000 title claims abstract description 163
- 238000011084 recovery Methods 0.000 title claims abstract description 68
- 238000011069 regeneration method Methods 0.000 title abstract description 7
- 230000008929 regeneration Effects 0.000 title abstract description 5
- 239000003463 adsorbent Substances 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims description 18
- 230000001172 regenerating effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 abstract 2
- 238000007710 freezing Methods 0.000 abstract 2
- 230000008014 freezing Effects 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 57
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 3
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical group F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- -1 helium Chemical compound 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming 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
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/002—Collecting refrigerant from a cycle
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、冷凍機などの冷凍
装置の冷凍回路中の冷媒を回収する冷媒回収装置の再生
装置および再生方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regenerating apparatus and a regenerating method for a refrigerant recovery apparatus for recovering a refrigerant in a refrigerating circuit of a refrigerating apparatus such as a refrigerator.
【０００２】[0002]
【従来の技術】従来、冷凍機などの冷凍装置の冷媒とし
て用いられているものとして、オゾン層を破壊する危険
性のあるジクロロジフルオロメタン（Ｒ−１２）や共沸
混合冷媒のＲ−１２と１，１−ジフルオロエタン（Ｒ−
１５２ａ）とからなるＲ−５００や、オゾン層を破壊す
る危険性が少ないが地球温暖化効果が高い塩素基の含有
量を減少させた代替冷媒として、例えば、クロロジフル
オロメタン（ＨＣＦＣ−２２）、塩素基を含まない冷
媒、例えば、ジフルオロメタン（ＨＦＣ−３２、Ｒ−３
２）、トリフルオロメタン（ＨＦＣ−２３、Ｒ−２
３）、ペンタフルオロエタン（ＨＦＣ−１２５、Ｒ−１
２５）、１，１，１，２−テトラフルオロエタン（ＨＦ
Ｃ−１３４ａ、Ｒ−１３４ａ）、１，１，１−トリフル
オロエタン（ＨＦＣ−１４３ａ、Ｒ−１４３ａ）、塩素
基と水素を含まないフルオロカーボン系冷媒（ＦＣ系冷
媒）、あるいはこれらの混合物や、プロパン、ブタン、
ペンタンなどの可燃性のある炭化水素類や、ヘリウムな
どや、アンモニアなど、空気などがある。2. Description of the Related Art Conventionally, dichlorodifluoromethane (R-12) or an azeotropic mixed refrigerant R-12, which has a risk of destroying the ozone layer, has been used as a refrigerant in a refrigerating apparatus such as a refrigerator. 1,1-difluoroethane (R-
152a), and as an alternative refrigerant having a reduced danger of destroying the ozone layer but having a low chlorine group content that has a high global warming effect, for example, chlorodifluoromethane (HCFC-22), A refrigerant containing no chlorine group, for example, difluoromethane (HFC-32, R-3
2), trifluoromethane (HFC-23, R-2
3), pentafluoroethane (HFC-125, R-1
25), 1,1,1,2-tetrafluoroethane (HF
C-134a, R-134a), 1,1,1-trifluoroethane (HFC-143a, R-143a), a fluorocarbon-based refrigerant containing no chlorine group and hydrogen (FC-based refrigerant), or a mixture thereof, Propane, butane,
There are combustible hydrocarbons such as pentane, air such as helium, and ammonia.
【０００３】これらの冷媒を用いた家庭用冷蔵庫、エア
コンデイショナーや産業用冷凍機器が使用済みなどの理
由でその冷凍回路から冷媒を回収する必要が生じた際
は、冷媒回収機を用いて冷媒を吸引して冷凍回路外へだ
し、それを液化してボンベなどに入れる方法が行われて
いる。しかし、この方法は、使用済みの家庭用冷蔵庫な
どを冷媒回収機のある場所に多数集めて処理するには便
利であるが、遠方の地域にある冷蔵庫などの冷凍装置の
場合や、産業用冷凍機器、特にメデイカル機器のような
特殊冷媒を封入した機器では収集自体に困難が伴うとと
もに、大きくて重い冷媒回収機を遠方まで運搬するのも
大変であり、手間がかかり、コストアップになる問題が
あった。When it becomes necessary to recover refrigerant from a refrigeration circuit of a home refrigerator, an air conditioner, or an industrial refrigeration apparatus using these refrigerants, the refrigerant recovery machine is used to recover the refrigerant. Is taken out of the refrigeration circuit, liquefied and put into a cylinder or the like. However, this method is convenient for collecting a large number of used home refrigerators and the like at a place where a refrigerant recovery machine is located and disposing of them. With equipment, especially equipment with special refrigerants such as medical equipment, the collection itself is difficult, and it is difficult to transport a large and heavy refrigerant recovery machine to a distant place. there were.
【０００４】[0004]
【発明が解決しようとする課題】本発明者は、先に、こ
の問題を解決するために、使用済みなどの家庭用冷蔵庫
やエアコンデイショナーや産業用冷凍機器などの冷凍装
置の冷凍回路に存在するフロン系冷媒、炭化水素類や、
ヘリウムなどや、アンモニアなど、空気など各種の冷媒
を選択的に吸着できる活性炭などの固体吸着剤を収容し
た冷媒回収本体を備えた冷媒回収装置を冷凍回路に接続
して冷媒を前記固体吸着剤に吸着して回収する装置、方
法を提案した。本発明の目的は、冷凍回路の冷媒を吸着
した固体吸着剤を収容した冷媒回収本体を備えた冷媒回
収装置を再生するための装置および再生方法を提供する
ことである。SUMMARY OF THE INVENTION The inventor of the present invention has previously proposed a method for solving this problem in a refrigerating circuit of a refrigerating apparatus such as a used refrigerator for home use, an air conditioner, and an industrial refrigerating machine. CFC-based refrigerants, hydrocarbons,
A refrigerant recovery device having a refrigerant recovery body containing a solid adsorbent such as activated carbon that can selectively adsorb various refrigerants such as air, such as helium or ammonia, is connected to a refrigeration circuit, and the refrigerant is supplied to the solid adsorbent. A device and method for adsorption and recovery were proposed. An object of the present invention is to provide an apparatus and a method for regenerating a refrigerant recovery device including a refrigerant recovery main body containing a solid adsorbent that has adsorbed refrigerant in a refrigeration circuit.
【０００５】[0005]
【課題を解決するための手段】すなわち、上記課題を解
決するため請求項１の発明は、冷凍回路中の冷媒を選択
的に吸着できる固体吸着剤を収容した冷媒回収本体を備
えた冷媒回収装置の再生装置であって、冷媒を吸着した
前記冷媒回収本体あるいは冷媒回収装置を加熱する加熱
装置と、前記冷媒回収本体に一端を連結して脱着した冷
媒を排出する管路と、この管路の途中に設けられた冷却
装置と、前記管路の他端に連結された冷媒収容容器とを
備えたことを特徴とする冷媒回収装置の再生装置であ
る。In order to solve the above-mentioned problems, a first aspect of the present invention is a refrigerant recovery apparatus having a refrigerant recovery main body containing a solid adsorbent capable of selectively adsorbing a refrigerant in a refrigeration circuit. A heating device for heating the refrigerant recovery main body or the refrigerant recovery device that has adsorbed the refrigerant, a pipe connecting one end to the refrigerant recovery main body and discharging the desorbed refrigerant, A regeneration device for a refrigerant recovery device, comprising: a cooling device provided on the way; and a refrigerant storage container connected to the other end of the pipeline.
【０００６】また、上記課題を解決するため請求項２の
発明は、冷媒を吸着した固体吸着剤を収容した冷媒回収
本体を５００℃以上の温度に加熱して吸着された冷媒を
脱着した後、脱着した冷媒を冷却して液化し、液化した
冷媒を冷媒収容容器に回収することを特徴とする冷媒回
収装置の再生方法である。In order to solve the above-mentioned problems, a second aspect of the present invention is to heat a refrigerant recovery body containing a solid adsorbent that has adsorbed a refrigerant to a temperature of 500 ° C. or more to desorb the adsorbed refrigerant. A method for regenerating a refrigerant recovery device, comprising cooling and liquefying a desorbed refrigerant and collecting the liquefied refrigerant in a refrigerant container.
【０００７】[0007]
【発明の実施の形態】以下、図面を用いて本発明の実施
の形態を説明する。図１は、冷蔵庫に冷媒回収装置を連
結した状態を示す説明図である。図２は、図１に示した
冷蔵庫の冷媒回路に冷媒回収装置を連結した状態を示す
説明図である。図１および図２において、１は圧縮機２
を搭載した冷蔵庫である。圧縮機２には凝縮器３、キャ
ピラリチューブ４及び蒸発器５が順次接続され、冷凍回
路を構成している。この冷凍回路中の圧縮機２に冷媒回
収装置６が連結されている。冷媒回収装置６は、冷凍回
路に接続するための管路７と、この管路７に設けた開閉
弁８と、冷凍回路中の冷媒を選択的に吸着できる固体吸
着剤９を収容した冷媒回収本体１０などから構成されて
いる。冷凍回路の圧縮機２へ冷媒を封入するための封入
パイプ１１の先に管路７の一端が連結されている。１２
は圧力計、１３は冷媒回収本体１０の他端側に接続した
管路、１４は管路１３に設けた開閉弁である。冷媒回収
装置６は、構成が簡単で、小型でポータブルであり、容
易に運搬したり、据付したりでき、取り扱いや操作が簡
単である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory diagram showing a state where a refrigerant recovery device is connected to a refrigerator. FIG. 2 is an explanatory diagram showing a state in which a refrigerant recovery device is connected to the refrigerant circuit of the refrigerator shown in FIG. 1 and 2, reference numeral 1 denotes a compressor 2
It is a refrigerator equipped with. A condenser 3, a capillary tube 4, and an evaporator 5 are sequentially connected to the compressor 2 to form a refrigeration circuit. A refrigerant recovery device 6 is connected to the compressor 2 in the refrigeration circuit. The refrigerant recovery device 6 includes a pipe 7 for connecting to a refrigeration circuit, an on-off valve 8 provided in the pipe 7, and a refrigerant recovery containing a solid adsorbent 9 capable of selectively adsorbing the refrigerant in the refrigeration circuit. It is composed of a main body 10 and the like. One end of a pipe 7 is connected to the end of a sealing pipe 11 for sealing the refrigerant into the compressor 2 of the refrigeration circuit. 12
Is a pressure gauge, 13 is a pipe connected to the other end of the refrigerant recovery main body 10, and 14 is an on-off valve provided in the pipe 13. The refrigerant recovery device 6 has a simple configuration, is small and portable, can be easily transported and installed, and is easy to handle and operate.
【０００８】以上の構成において、冷蔵庫１が使用済み
になるなどの理由で冷凍回路中の冷媒（例えば、前記フ
ロン系冷媒、炭化水素類や、ヘリウムなどや、アンモニ
アなど、空気など）を回収する必要が生じた場合は、開
閉弁１４は閉じたまま前記開閉弁８を開けると、吸引用
ポンプなどを使用することなく、冷媒は矢印で示した方
向に流れて固体吸着剤９に吸着されるので、冷凍回路中
の実質的に全ての冷媒を冷媒回収本体１０内に回収でき
る。In the above arrangement, the refrigerant (for example, air such as the above-mentioned CFC-based refrigerant, hydrocarbons, helium, ammonia, etc.) in the refrigeration circuit is collected because the refrigerator 1 becomes used. When the need arises, if the on-off valve 8 is opened while the on-off valve 14 is closed, the refrigerant flows in the direction shown by the arrow and is adsorbed by the solid adsorbent 9 without using a suction pump or the like. Therefore, substantially all of the refrigerant in the refrigeration circuit can be recovered in the refrigerant recovery main body 10.
【０００９】本発明においては、固体吸着剤９は冷凍回
路中に存在する冷媒に応じてその冷媒を選択的に吸着で
きる固体吸着剤を使用する必要がある。具体的には、冷
凍回路中に存在する冷媒がフロン系冷媒であれば、この
フロン系冷媒を選択的に吸着できるような吸着性能を有
する固体吸着剤を用い、冷凍回路中に存在する冷媒が炭
化水素類や、ヘリウムなどや、アンモニアなど、空気な
どであれば、それぞれの冷媒を選択的に吸着できるよう
な吸着性能を有する固体吸着剤を用いる必要がある。In the present invention, it is necessary to use a solid adsorbent capable of selectively adsorbing the refrigerant according to the refrigerant present in the refrigeration circuit. Specifically, if the refrigerant present in the refrigeration circuit is a chlorofluorocarbon-based refrigerant, a solid adsorbent having an adsorption performance capable of selectively adsorbing the chlorofluorocarbon-based refrigerant is used. In the case of air such as hydrocarbons, helium, and ammonia, it is necessary to use a solid adsorbent having an adsorption performance capable of selectively adsorbing each refrigerant.
【００１０】冷媒を選択的に吸着できる固体吸着剤は、
固体吸着剤の種類、小孔の大きさ、極性などを考慮し
て、例えば、粉末状、粒状、繊維状、あるいは成型した
形状の活性炭、ガス吸着樹脂、粘土、活性アルミナ、モ
レキュラーシーブ、ボーンチャー、白土、シリカゲルお
よびこれらの２つ以上の混合物などから選択される。A solid adsorbent capable of selectively adsorbing a refrigerant is as follows:
Considering the type of solid adsorbent, pore size, polarity, etc., for example, activated carbon, gas-adsorbent resin, clay, activated alumina, molecular sieve, bone char in powdered, granular, fibrous, or molded form , Clay, silica gel and a mixture of two or more thereof.
【００１１】フロン系冷媒であっても例えば、Ｒ２３は
分子量７０、沸点−８２℃であり、Ｒ１１６は分子量１
３８、沸点−７８℃と物性が異なるので、例えば、固体
吸着剤として活性炭を使用する場合、Ｒ２３冷媒を選択
的に吸着できる活性炭の小孔の径は小さいものを選択
し、Ｒ１１６冷媒を選択的に吸着できる活性炭の小孔の
径は大きいものを選択する。また、Ｒ２３を６１％、Ｒ
１１６を３９％含有する混合冷媒Ｒ−５０８を吸着・回
収する場合は、Ｒ−５０８を選択的に吸着できる活性炭
として前記小孔の径が小さい活性炭と前記小孔の径が大
きい活性炭との所定比率の混合物を冷媒回収本体１０内
に収容して使用することができる。For example, R23 has a molecular weight of 70 and a boiling point of -82 ° C., and R116 has a molecular weight of 1
For example, when using activated carbon as a solid adsorbent, the activated carbon capable of selectively adsorbing the R23 refrigerant should have a small pore diameter, and the R116 refrigerant should be selectively used. Activated carbon that can be adsorbed on a large pore is selected. In addition, R23 is 61%, R
In the case of adsorbing and recovering the mixed refrigerant R-508 containing 39% of 116, a predetermined mixture of activated carbon having a small diameter of the small hole and activated carbon having a large diameter of the small hole as the activated carbon capable of selectively adsorbing R-508. The mixture in the ratio can be stored in the refrigerant recovery main body 10 and used.
【００１２】図３は、本発明の冷媒回収装置の再生装置
の一実施形態を説明する説明図である。図３において、
１５は電熱ヒータｈを備えた加熱装置であり、冷媒を吸
着した固体吸着剤９を収容した冷媒回収本体１０がその
中に入れられている。冷媒回収本体１０の管路７の端部
は閉じられ、冷媒回収本体１０の管路１３が加熱装置１
５の外部まで延在されて、その端部に脱着した冷媒を排
出する管路１６が連結されている。１３Ａは両者を連結
するコネクタである。この管路１６の途中には脱着した
冷媒を冷却する冷却装置１７が設けられており、この冷
却装置１７を経た管路１６の端部は冷媒収容容器１８に
連結されている。１９は開閉弁である。冷却装置１７内
には圧縮器２０、コイル状蒸発器２１などからなる冷凍
装置が入れられており、このコイル状蒸発器２１は冷却
装置１７内の管路１６に巻き付けられており、管路１６
中の冷媒を冷却するようになっている。FIG. 3 is an explanatory view for explaining an embodiment of the regenerating device of the refrigerant recovery device of the present invention. In FIG.
Reference numeral 15 denotes a heating device provided with an electric heater h, in which a refrigerant recovery main body 10 containing a solid adsorbent 9 which has adsorbed a refrigerant is placed therein. The end of the pipe 7 of the refrigerant recovery main body 10 is closed, and the pipe 13 of the refrigerant recovery main body 10 is connected to the heating device 1.
5 is connected to a conduit 16 extending to the outside and discharging the desorbed refrigerant at its end. 13A is a connector for connecting the two. A cooling device 17 for cooling the desorbed refrigerant is provided in the middle of the pipe 16, and an end of the pipe 16 having passed through the cooling device 17 is connected to a refrigerant container 18. 19 is an on-off valve. A refrigerating device including a compressor 20, a coil evaporator 21 and the like is placed in the cooling device 17, and the coil evaporator 21 is wound around a pipe 16 in the cooling device 17,
The inside refrigerant is cooled.
【００１３】以上の構成の本発明の冷媒回収装置の再生
装置において、冷媒を吸着した固体吸着剤９を収容した
冷媒回収本体１０を加熱装置１５内で例えば５００℃以
上の温度に加熱すると、吸着された冷媒は脱着されて管
路１３を経て、冷却装置１７内の管路１６に入り、冷却
されて液化する。液化した冷媒は冷媒収容容器１８に回
収される。このようにして冷媒を脱着し再生した固体吸
着剤９を収容した冷媒回収本体１０は、冷却した後、冷
媒回収装置６に装着して再使用できる。In the regenerating apparatus of the refrigerant recovery apparatus of the present invention having the above structure, when the refrigerant recovery main body 10 containing the solid adsorbent 9 having adsorbed the refrigerant is heated in the heating device 15 to a temperature of, for example, 500 ° C. or more, The refrigerant thus removed is desorbed and enters the pipe 16 in the cooling device 17 via the pipe 13 to be cooled and liquefied. The liquefied refrigerant is collected in the refrigerant container 18. After cooling, the refrigerant recovery main body 10 containing the solid adsorbent 9 that has desorbed and regenerated the refrigerant can be mounted on the refrigerant recovery device 6 and reused.
【００１４】当然のことであるが、冷媒を吸着した固体
吸着剤９を冷媒回収本体１０から取り出して、図示しな
い他の密閉容器に入れて加熱装置１５あるいは他の加熱
手段により加熱して冷媒を脱着して固体吸着剤９を再生
した後、再生した固体吸着剤９を冷媒回収本体１０に再
充填した後、この冷媒回収本体１０を冷媒回収装置６に
装着して再使用することもできる。As a matter of course, the solid adsorbent 9 having adsorbed the refrigerant is taken out of the refrigerant recovery main body 10, placed in another closed container (not shown), and heated by the heating device 15 or other heating means to remove the refrigerant. After desorbing and regenerating the solid adsorbent 9, the regenerated solid adsorbent 9 is refilled in the refrigerant recovery main body 10, and then the refrigerant recovery main body 10 can be mounted on the refrigerant recovery device 6 and reused.
【００１５】図４は活性炭の冷媒吸着性能を試験するた
めの実験装置の断面説明図である。この実験装置２２
は、圧力計２３、冷媒や活性炭の出し入れ口２４を備え
た内容積を約１００ｍｌ〜１０００ｍｌまで変えること
ができる密閉容器２５などから構成されている。常温に
おいて出し入れ口２４から冷媒と活性炭を所定重量比率
（活性炭／冷媒＝０．７５、１、２および３）で密閉容
器２５内に入れ、活性炭の冷媒吸着性能を試験した。冷
媒はＲ１３４ａを使用した。FIG. 4 is a sectional explanatory view of an experimental apparatus for testing the refrigerant adsorption performance of activated carbon. This experimental device 22
Is composed of a pressure gauge 23, a sealed container 25 having an inlet / outlet 24 for a refrigerant and activated carbon and capable of changing the internal volume from about 100 ml to 1000 ml. At normal temperature, the refrigerant and the activated carbon were put into the closed container 25 at a predetermined weight ratio (activated carbon / refrigerant = 0.75, 1, 2, and 3) from the inlet / outlet 24, and the refrigerant adsorption performance of the activated carbon was tested. The refrigerant used was R134a.
【００１６】図５は、密閉容器２５の内容積を約１００
ｍｌ〜１０００ｍｌまで変え（横軸）、（活性炭／冷
媒）重量比率を０．７５、１、２および３と変えた時
の、密閉容器２５内の気相部の圧力（バール）を縦軸に
示したグラフである。冷凍回路の体積が内部圧力へ与え
る影響を試験したものである。FIG. 5 shows that the internal volume of the
The pressure (bar) of the gas phase in the closed vessel 25 when the weight ratio (activated carbon / refrigerant) was changed to 0.75, 1, 2 and 3 was changed on the vertical axis. It is a graph shown. It is a test of the effect of the volume of the refrigeration circuit on the internal pressure.
【００１７】図６は、密閉容器２５の内容積を約１００
ｍｌ〜１０００ｍｌまで変え（横軸）、（活性炭／冷
媒）重量比率を０．７５、１、２および３と変えた時
の、活性炭の吸着量ｇ／ｇ（縦軸）を示したグラフであ
る。（活性炭／冷媒）重量比率が０．７５の場合、密閉
容器２５の内容積が大きくなると活性炭の吸着量が減少
する。FIG. 6 shows that the inner volume of the
FIG. 4 is a graph showing the amount of activated carbon adsorbed in g / g (vertical axis) when the weight ratio (active carbon / refrigerant) was changed to 0.75, 1, 2 and 3 while changing from 0.5 ml to 1000 ml (horizontal axis). . When the (active carbon / refrigerant) weight ratio is 0.75, the amount of activated carbon adsorbed decreases as the internal volume of the closed container 25 increases.
【００１８】図７は、密閉容器２５の内容積を約１００
ｍｌ〜１０００ｍｌまで変え（横軸）、（活性炭／冷
媒）重量比率を０．７５、１、２および３と変えた時
の、密閉容器２５の気相部に吸着されず残留した冷媒の
割合％（縦軸）を示すグラフである。密閉容器２５の内
容積が大きくなると残留量が大きくなる。FIG. 7 shows that the inner volume of the closed container 25 is about 100
% of the refrigerant remaining in the gaseous phase portion of the closed vessel 25 when the weight ratio was changed to 0.75, 1, 2, and 3 (horizontal axis) and the (activated carbon / refrigerant) weight ratio was changed to 0.75, 1, 2 and 3. It is a graph which shows (vertical axis). As the internal volume of the sealed container 25 increases, the residual amount increases.
【００１９】図８は、密閉容器２５の内容積を１００ｍ
ｌとし、（活性炭／冷媒）重量比率を０．７５、１、２
および３と変えた（横軸）時の、密閉容器２５内の気相
部の圧力（バール）、活性炭の吸着量ｇ／ｇ、密閉容器
２５の気相部に吸着されず残留した冷媒の割合％をそれ
ぞれ縦軸に示したグラフである。FIG. 8 shows that the inner volume of the closed container 25 is 100 m.
1 and the (activated carbon / refrigerant) weight ratio is 0.75, 1, 2
Pressure (bar) in the closed vessel 25, the amount of activated carbon adsorbed in g / g, and the ratio of the refrigerant not adsorbed and remaining in the gas phase section of the closed vessel 25 when the values are changed to 3 and 3 (horizontal axis). It is the graph which showed% on the vertical axis | shaft, respectively.
【００２０】図５〜図８から、（活性炭／冷媒）重量比
率１以上で冷媒Ｒ１３４ａを効率よく活性炭に吸着でき
ることが判る。From FIG. 5 to FIG. 8, it can be seen that the refrigerant R134a can be efficiently adsorbed on activated carbon at a weight ratio of (activated carbon / refrigerant) of 1 or more.
【００２１】なお、本発明は上記実施形態に限定される
ものではないので、特許請求の範囲に記載の趣旨から逸
脱しない範囲で各種の変形実施が可能である。Since the present invention is not limited to the above embodiment, various modifications can be made without departing from the spirit of the appended claims.
【００２２】[0022]
【発明の効果】本発明の冷媒回収装置の再生装置は、冷
凍回路中の冷媒を選択的に吸着できる固体吸着剤を収容
した冷媒回収本体を備えた冷媒回収装置の再生装置であ
り、冷媒を吸着した前記冷媒回収本体あるいは前記冷媒
回収装置を加熱する加熱装置と、前記冷媒回収本体に一
端を連結して脱着した冷媒を排出する管路と、この管路
の途中に設けられた冷却装置と、前記管路の他端に連結
された冷媒収容容器とを備えた簡単な構成からなる。According to the present invention, a regenerating apparatus for a refrigerant recovery apparatus is a regenerating apparatus for a refrigerant recovery apparatus having a refrigerant recovery main body containing a solid adsorbent capable of selectively adsorbing a refrigerant in a refrigeration circuit. A heating device for heating the adsorbed refrigerant recovery main body or the refrigerant recovery device, a pipe connecting one end to the refrigerant recovery main body and discharging the desorbed refrigerant, and a cooling device provided in the middle of the pipe. , A refrigerant container connected to the other end of the conduit.
【００２３】本発明の冷媒回収装置の再生装置を用い
て、冷媒を吸着した固体吸着剤を収容した冷媒回収本体
を５００℃以上の温度に加熱して吸着された冷媒を脱着
した後、脱着した冷媒を冷却して液化し、液化した冷媒
を冷媒収容容器に回収することにより、容易に冷媒を回
収し、かつ冷媒回収装置を再生できる。Using the regenerator of the refrigerant recovery apparatus of the present invention, the refrigerant recovery main body containing the solid adsorbent that has adsorbed the refrigerant was heated to a temperature of 500 ° C. or higher to desorb the adsorbed refrigerant, and then desorbed. By cooling and liquefying the refrigerant and collecting the liquefied refrigerant in the refrigerant container, the refrigerant can be easily collected and the refrigerant recovery device can be regenerated.
【図１】 冷蔵庫に冷媒回収装置を連結した状態を示す
説明図である。FIG. 1 is an explanatory view showing a state where a refrigerant recovery device is connected to a refrigerator.
【図２】 図１に示した冷蔵庫の冷媒回路に冷媒回収装
置を連結した状態を示す説明図である。FIG. 2 is an explanatory diagram showing a state in which a refrigerant recovery device is connected to the refrigerant circuit of the refrigerator shown in FIG.
【図３】 本発明の冷媒回収装置の再生装置を示する説
明図である。FIG. 3 is an explanatory diagram showing a regeneration device of the refrigerant recovery device of the present invention.
【図４】 活性炭の冷媒吸着性能を試験するための実験
装置の断面説明図である。FIG. 4 is an explanatory sectional view of an experimental device for testing the refrigerant adsorption performance of activated carbon.
【図５】 密閉容器の内容積を約１００ｍｌ〜１０００
ｍｌまで変え（横軸）、（活性炭／冷媒）重量比率を
０．７５、１、２および３と変えた時の、密閉容器内の
気相部の圧力（バール）を縦軸に示したグラフである。FIG. 5: The inner volume of the closed container is approximately 100 ml to 1000
graph showing the pressure (bar) of the gas phase in the closed vessel when the weight ratio (activated carbon / refrigerant) was changed to 0.75, 1, 2, and 3 (vertical axis). It is.
【図６】 密閉容器の内容積を約１００ｍｌ〜１０００
ｍｌまで変え（横軸）、（活性炭／冷媒）重量比率を
０．７５、１、２および３と変えた時の、活性炭の吸着
量ｇ／ｇ（縦軸）を示したグラフである。FIG. 6: The inner volume of the closed container is set to about 100 ml to 1000
5 is a graph showing the amount of adsorbed activated carbon g / g (vertical axis) when the weight ratio (active carbon / refrigerant) was changed to 0.75, 1, 2, and 3 while changing the amount to 0.7 ml (horizontal axis).
【図７】 密閉容器の内容積を約１００ｍｌ〜１０００
ｍｌまで変え（横軸）、（活性炭／冷媒）重量比率を
０．７５、１、２および３と変えた時の、密閉容器の気
相部に吸着されず残留した冷媒の割合％（縦軸）を示す
グラフである。FIG. 7: The inner volume of the closed container is approximately 100 ml to 1000
ml (horizontal axis) and the percentage of refrigerant remaining without being adsorbed in the gas phase portion of the closed vessel (vertical axis) when the (activated carbon / refrigerant) weight ratio is changed to 0.75, 1, 2 and 3. FIG.
【図８】 密閉容器の内容積を１００ｍｌとし、（活性
炭／冷媒）重量比率を０．７５、１、２および３と変え
た（横軸）時の、密閉容器内の気相部の圧力（バー
ル）、活性炭の吸着量ｇ／ｇ、密閉容器の気相部に吸着
されず残留した冷媒の割合％をそれぞれ縦軸に示したグ
ラフである。FIG. 8 shows the pressure (in the horizontal axis) of the gas phase in the closed vessel when the internal volume of the closed vessel is 100 ml and the (activated carbon / refrigerant) weight ratio is changed to 0.75, 1, 2 and 3 (horizontal axis). (Bar), the amount of adsorbed activated carbon (g / g), and the percentage of the refrigerant remaining without being adsorbed in the gas phase of the closed vessel are plotted on the vertical axis.
６ 冷媒回収装置 ９ 固体吸着剤 １０ 冷媒回収本体 １３、１６ 管路 １５ 加熱装置 １７ 冷却装置 １８ 冷媒収容容器 6 Refrigerant recovery device 9 Solid adsorbent 10 Refrigerant recovery body 13, 16 Pipeline 15 Heating device 17 Cooling device 18 Refrigerant storage container
───────────────────────────────────────────────────── フロントページの続き (72)発明者 井上 勝彦 大阪府守口市京阪本通２丁目５番５号 三 洋電機株式会社内 (72)発明者 吉田 福治 大阪府守口市京阪本通２丁目５番５号 三 洋電機株式会社内 (72)発明者 井汲 米造 大阪府守口市京阪本通２丁目５番５号 三 洋電機株式会社内 ──────────────────────────────────────────────────の Continuing from the front page (72) Inventor Katsuhiko Inoue 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Fukuji Yoshida 2-5-2 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Inventor Izumi Yonezo 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.
Claims (2)
固体吸着剤を収容した冷媒回収本体を備えた冷媒回収装
置の再生装置であって、冷媒を吸着した前記冷媒回収本
体あるいは冷媒回収装置を加熱する加熱装置と、前記冷
媒回収本体に一端を連結して脱着した冷媒を排出する管
路と、この管路の途中に設けられた冷却装置と、前記管
路の他端に連結された冷媒収容容器とを備えたことを特
徴とする冷媒回収装置の再生装置。1. A regenerator for a refrigerant recovery device having a refrigerant recovery main body containing a solid adsorbent capable of selectively adsorbing a refrigerant in a refrigeration circuit, wherein the refrigerant recovery main unit or the refrigerant recovery device adsorbing the refrigerant. A cooling device provided in the middle of the pipe, and a cooling device provided in the middle of the pipe, and a heating device connected to the other end of the pipe. A recycling device for a refrigerant recovery device, comprising: a refrigerant storage container.
媒回収本体を５００℃以上の温度に加熱して吸着された
冷媒を脱着した後、脱着した冷媒を冷却して液化し、液
化した冷媒を冷媒収容容器に回収することを特徴とする
冷媒回収装置の再生方法。2. A refrigerant recovery body containing a solid adsorbent that has adsorbed a refrigerant is heated to a temperature of 500 ° C. or higher to desorb the adsorbed refrigerant, and then the desorbed refrigerant is cooled and liquefied to liquefy the refrigerant. A method for regenerating a refrigerant recovery apparatus, comprising recovering the refrigerant in a refrigerant storage container.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10163790A JPH11347337A (en) | 1998-06-11 | 1998-06-11 | Regeneration device for refrigerant recovery device and regeneration method |
| US09/485,638 US6449962B1 (en) | 1998-06-11 | 1999-06-11 | Refrigerant collecting device, refrigerant collecting method, refrigerator having refrigerant collecting device, control method for refrigerant in refrigerant circuit or regeneration device and regeneration method for refrigerant collecting |
| CNB998009377A CN1153032C (en) | 1998-06-11 | 1999-06-11 | Refrigerant regenerating device |
| PCT/JP1999/003133 WO1999064799A1 (en) | 1998-06-11 | 1999-06-11 | Refrigerant collecting device, refrigerant collecting method, refrigerator having refrigerant collecting device, control method for refrigerant in refrigerant circuit or regeneration device and regeneration method for refrigerant collecting device |
| EP99925305A EP1014015A4 (en) | 1998-06-11 | 1999-06-11 | Refrigerant collecting device, refrigerant collecting method, refrigerator having refrigerant collecting device, control method for refrigerant in refrigerant circuit or regeneration device and regeneration method for refrigerant collecting device |
| KR1020007001361A KR100564869B1 (en) | 1998-06-11 | 1999-06-11 | Refrigerant recovery device, refrigerant recovery method, refrigerating device with refrigerant recovery device, control method of refrigerant in refrigerant circuit or regeneration device and regeneration method of refrigerant recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10163790A JPH11347337A (en) | 1998-06-11 | 1998-06-11 | Regeneration device for refrigerant recovery device and regeneration method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11347337A true JPH11347337A (en) | 1999-12-21 |
Family
ID=15780763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10163790A Pending JPH11347337A (en) | 1998-06-11 | 1998-06-11 | Regeneration device for refrigerant recovery device and regeneration method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11347337A (en) |
-
1998
- 1998-06-11 JP JP10163790A patent/JPH11347337A/en active Pending
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