JPH03263565A - Transferring and filling method for recovery refrigerant - Google Patents
Transferring and filling method for recovery refrigerantInfo
- Publication number
- JPH03263565A JPH03263565A JP6179290A JP6179290A JPH03263565A JP H03263565 A JPH03263565 A JP H03263565A JP 6179290 A JP6179290 A JP 6179290A JP 6179290 A JP6179290 A JP 6179290A JP H03263565 A JPH03263565 A JP H03263565A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- storage container
- recovering device
- recovery machine
- receiver tank
- 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 138
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000011084 recovery Methods 0.000 title claims description 34
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000001816 cooling Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 21
- 239000003921 oil Substances 0.000 description 12
- 239000010721 machine oil Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は冷媒回収機に回収された冷媒を貯蔵容器に移送
充填する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for transferring and filling a storage container with refrigerant recovered by a refrigerant recovery machine.
（従来の技術）
近年、フロン等の冷媒によってオゾン層が破壊されるの
を防止するため、種々の冷媒回収機が提案されている。(Prior Art) In recent years, various refrigerant recovery machines have been proposed in order to prevent the ozone layer from being destroyed by refrigerants such as fluorocarbons.
従来の冷媒回収機の１例が第２図に示されている。An example of a conventional refrigerant recovery machine is shown in FIG.
冷媒回収機ｌは冷媒中に含まれる冷凍機油を分流するた
めの第１のオイルセパレータ３と、冷媒ガスから冷媒液
を分離するためのアキュムレータ４と、冷媒ガスを圧縮
するための冷媒圧縮機５と、吐出冷媒ガスから冷凍機油
を除去するだめの第２のオイルセパレータ６と、冷媒ガ
スを凝縮液化させるための凝縮器７と、この凝縮器７に
冷却風を流過させるための送風機１１と、冷媒中に漏入
した空気等のイナートガスを分離除去するための気液分
離器８と、冷媒中に混入した水分を除去するためのドラ
イヤ９と、冷媒液を貯溜するためのレシーバタンク１０
等を備えている。The refrigerant recovery machine 1 includes a first oil separator 3 for separating refrigeration oil contained in the refrigerant, an accumulator 4 for separating refrigerant liquid from refrigerant gas, and a refrigerant compressor 5 for compressing refrigerant gas. , a second oil separator 6 for removing refrigerating machine oil from the discharged refrigerant gas, a condenser 7 for condensing and liquefying the refrigerant gas, and a blower 11 for causing cooling air to flow through the condenser 7. , a gas-liquid separator 8 for separating and removing inert gas such as air leaked into the refrigerant, a dryer 9 for removing moisture mixed in the refrigerant, and a receiver tank 10 for storing the refrigerant liquid.
etc.
この冷媒回収機１を用いて冷媒を回収する場合には、先
ず、冷媒排出管１２に介装された遮断弁１３を閉とし、
冷媒吸入管１４を図示しない空気調和機等の冷媒回路に
接続してこの冷媒吸入管１４に介装された遮断弁１５を
開とし、しかる後、冷媒圧１１ｉ１１！５及び送風８１
１１を起動する。すると、空気調和機等の冷媒回路内に
封入されていた冷媒ガスは冷媒吸入管１４、遮断弁１５
を経て第１のオイルセバレ−夕３に入り、ここで冷媒ガ
ス中に含まれる冷凍機油を分離した後、アキュムレータ
４に入り、ここで冷媒ガスから冷媒液を分離し、しかる
後冷媒圧縮機５に吸入されてここで圧縮される。次いで
、第２のオイルセパレータ６で吐出冷媒ガス中に含まれ
る冷凍機油を分離した後、凝縮器７に入り、ここで送風
機１１から送風される冷却風と熱交換することにより凝
縮液化する。しかる後、気液分離器８でイナートガスを
分離し、ドライヤ９で水分を除去した後レシーバタンク
１０内に入りここに貯溜される。When recovering refrigerant using this refrigerant recovery machine 1, first, close the cutoff valve 13 installed in the refrigerant discharge pipe 12,
The refrigerant suction pipe 14 is connected to a refrigerant circuit of an air conditioner (not shown), and the cutoff valve 15 installed in the refrigerant suction pipe 14 is opened, and then the refrigerant pressure 11i11!5 and the air blower 81 are opened.
11. Then, the refrigerant gas sealed in the refrigerant circuit of the air conditioner, etc.
The oil enters the first oil separator 3, where the refrigerating machine oil contained in the refrigerant gas is separated, and then enters the accumulator 4, where the refrigerant liquid is separated from the refrigerant gas, and then into the refrigerant compressor 5. It is inhaled and compressed here. Next, after the refrigerating machine oil contained in the discharged refrigerant gas is separated by the second oil separator 6, it enters the condenser 7, where it is condensed and liquefied by exchanging heat with the cooling air blown from the blower 11. Thereafter, the inert gas is separated by a gas-liquid separator 8 and water is removed by a dryer 9, and then enters a receiver tank 10 and is stored there.
第２のオイルセパレータ６で吐出冷媒ガスから分離され
た冷凍機油は油戻し管１６及びこれに介装されたキャピ
ラリチューブ１７を経てアキュムレータ４の入口側に戻
される。Refrigerating machine oil separated from the discharged refrigerant gas by the second oil separator 6 is returned to the inlet side of the accumulator 4 via an oil return pipe 16 and a capillary tube 17 inserted therein.
第１のオイルセパレータ３の底部に冷凍機油が所定量以
上溜ったときは、油排出管１８に介装された開閉弁１９
を開くことによってこれを排出する。When a predetermined amount or more of refrigerating machine oil accumulates at the bottom of the first oil separator 3, an on-off valve 19 installed in the oil discharge pipe 18
Drain this by opening.
気液分離器８内にイナートガスが所定量以上溜ったとき
は、ガス放出管２０に介装された開閉弁２１を開くこと
によってこれを排出する。When a predetermined amount or more of inert gas accumulates in the gas-liquid separator 8, it is discharged by opening the on-off valve 21 interposed in the gas discharge pipe 20.
冷媒回収機１によって回収された冷媒、即ち、レシーバ
タンク１０内の冷媒液を他の貯蔵容器に移し替える場合
には、第２図に示すように、冷媒排出管１２を貯蔵容器
２２の冷媒充填口２３に接続し、貯蔵容器２２のガス放
出口２４を真空ポンプ２５に接続する。そして、開閉弁
２７を開として真空ポンプ２５を起動することにより貯
蔵容器２２の内部を予め減圧する。しかる後、開閉弁１
３及び開閉弁２７を開とすることによりレシーバタンク
１０内に貯溜されている液冷媒が圧力差によって冷媒排
出管１２、開閉弁１３、開閉弁２６、冷媒充填口２３を
経て貯蔵容器２２内に移送される。When transferring the refrigerant recovered by the refrigerant recovery machine 1, that is, the refrigerant liquid in the receiver tank 10, to another storage container, as shown in FIG. The gas outlet 24 of the storage container 22 is connected to the vacuum pump 25 . Then, by opening the on-off valve 27 and starting the vacuum pump 25, the inside of the storage container 22 is depressurized in advance. After that, open/close valve 1
3 and the on-off valve 27 are opened, the liquid refrigerant stored in the receiver tank 10 passes through the refrigerant discharge pipe 12, the on-off valve 13, the on-off valve 26, and the refrigerant filling port 23 into the storage container 22 due to the pressure difference. be transported.
貯蔵容器２２内の冷媒液の液面が上昇するのに伴って貯
蔵容器２２内の圧力が上昇し、貯蔵容器２２内の圧力と
レシーバタンク１０内の圧力との圧力差がなくなると、
冷媒液を移送することができなくなる。そこで、図示の
ように、貯蔵容器２２を冷却槽２８内に浸漬してドライ
アイスや氷２９によって冷却したり、又は、ガス放出口
２４を大気に開放して貯蔵容器２２内の冷媒液の一部を
蒸発させることによって貯蔵容器２２内の冷媒液を冷却
し、貯蔵容器２２内の圧力、即ち、冷媒の飽和圧力を低
下させることによって冷媒液を貯蔵容器２２内に所定量
まで充填していた。As the liquid level of the refrigerant liquid in the storage container 22 rises, the pressure in the storage container 22 increases, and when the pressure difference between the pressure in the storage container 22 and the pressure in the receiver tank 10 disappears,
Refrigerant liquid cannot be transferred. Therefore, as shown in the figure, the storage container 22 is immersed in a cooling tank 28 and cooled with dry ice or ice 29, or the gas discharge port 24 is opened to the atmosphere to cool the refrigerant liquid in the storage container 22. The refrigerant liquid in the storage container 22 is cooled by evaporating the refrigerant liquid, and the refrigerant liquid is filled into the storage container 22 to a predetermined amount by lowering the pressure in the storage container 22, that is, the saturation pressure of the refrigerant. .
（発明が解決しようとする課Ｂ）
上記従来の検光方法においては、貯蔵容器２２内を減圧
するための真空ポンプ２５を要するのみならず貯蔵容器
２２内に冷媒液を所定量まで充填するために冷却槽２８
やドライアイス２９等を要するので、設備費が嵩むとい
う不具合があった。また、貯蔵容器２２内から冷媒ガス
を大気に放出すると、環境を汚染するという不具合があ
った。(Problem B to be Solved by the Invention) The above-mentioned conventional analysis method not only requires the vacuum pump 25 to reduce the pressure inside the storage container 22, but also to fill the storage container 22 with refrigerant liquid to a predetermined amount. Cooling tank 28
Since it requires dry ice, etc., there is a problem in that the equipment cost increases. Furthermore, there is a problem in that if the refrigerant gas is released into the atmosphere from inside the storage container 22, it pollutes the environment.
（課題を解決するための手段）
本発明は上記に鑑み冷媒回収機に回収された冷媒を貯蔵
容器を冷却することなくこの中に所定量まで充填しうる
方法を提供しようとするものであって、その要旨とする
ところは、冷媒圧縮機、凝縮器、レシーバタンク等から
なる冷媒回収機の冷媒吸入管を貯蔵容器のガス放出口に
接続するとともに上記冷媒回収機の冷媒排出管を上記貯
蔵容器の冷媒充填口に接続した状態で上記冷媒回収機を
運転することにより上記冷媒回収機に回収された冷媒を
上記貯蔵容器に移送して充填することを特徴とする回収
冷媒の検光方法にある。(Means for Solving the Problems) In view of the above, the present invention seeks to provide a method in which refrigerant recovered in a refrigerant recovery machine can be filled into a storage container up to a predetermined amount without cooling the storage container. The gist of this is that the refrigerant suction pipe of the refrigerant recovery machine, which consists of a refrigerant compressor, condenser, receiver tank, etc., is connected to the gas discharge port of the storage container, and the refrigerant discharge pipe of the refrigerant recovery machine is connected to the storage container. A method for analyzing recovered refrigerant, characterized in that the refrigerant recovered by the refrigerant recovery machine is transferred to and charged into the storage container by operating the refrigerant recovery machine while connected to the refrigerant filling port of the refrigerant recovery machine. .
（作用）
本発明においては、上記構成を具えているため、冷媒回
収機の冷媒吸入管を貯蔵容器のガス放出口に接続すると
ともに上記冷媒回収機の冷媒排出管を上記貯蔵容器の冷
媒充填口に接続することによって冷媒回収機と貯蔵容器
とにより回収冷媒の閉回路が形成される。そして、冷媒
回収機の運転によってその冷媒圧縮機が起動されるとそ
の吸入作用により貯蔵容器内の圧力がレシーバタンク内
の圧力よりも低くなり、レシーバタンク内に貯溜されて
いる回収冷媒は貯蔵容器内に移送されて所定量まで充填
される。(Function) Since the present invention has the above configuration, the refrigerant suction pipe of the refrigerant recovery machine is connected to the gas discharge port of the storage container, and the refrigerant discharge pipe of the refrigerant recovery machine is connected to the refrigerant charging port of the storage container. By connecting the refrigerant recovery machine to the storage container, a closed circuit for the recovered refrigerant is formed by the refrigerant recovery machine and the storage container. When the refrigerant compressor is activated by the operation of the refrigerant recovery machine, the pressure inside the storage container becomes lower than the pressure inside the receiver tank due to its suction action, and the recovered refrigerant stored in the receiver tank is transferred to the storage container. It is transferred to the inside and filled to a predetermined amount.
（実施例）
本発明の１実施例を第１図を参照しながら具体的に説明
する。(Example) An example of the present invention will be specifically described with reference to FIG.
冷媒回収機１に回収されそのレシーバタンク１０内に貯
溜されている冷媒を貯蔵容器２２に移し替える場合には
、先ず、冷媒回収Ｉｌｌの冷媒吸入管１４を貯蔵容器２
２のガス放出口２４に接続するとともに冷媒回収機１の
冷媒排出管１２を貯蔵容器２２の冷媒充填口２３に接続
する。そして、開閉弁１３．１５．２６．２７を開くこ
とによって冷媒回収機１と貯蔵容器２２とによって回収
冷媒の閉回路を形成する。しかる後、冷媒回収機１を運
転することによりその冷媒圧縮機５及び送風機１１を起
動すると、冷媒圧縮機５の吸引作用により貯蔵容器２２
内の圧力がレシーバタンク１０内の圧力より低下し、レ
シーバタンク１０内に貯溜されている冷媒液が上記圧力
差により冷媒排出管１２、開閉弁１３．２６、冷媒充填
口２３を経て貯蔵容器２２内に移送されて所定量まで充
填される。When transferring the refrigerant collected by the refrigerant recovery machine 1 and stored in its receiver tank 10 to the storage container 22, first, connect the refrigerant suction pipe 14 of the refrigerant recovery Ill to the storage container 2.
2, and the refrigerant discharge pipe 12 of the refrigerant recovery machine 1 is connected to the refrigerant filling port 23 of the storage container 22. Then, by opening the on-off valves 13, 15, 26, 27, the refrigerant recovery machine 1 and the storage container 22 form a closed circuit for the recovered refrigerant. Thereafter, when the refrigerant compressor 5 and blower 11 are started by operating the refrigerant recovery machine 1, the storage container 22 is opened by the suction action of the refrigerant compressor 5.
The pressure inside the receiver tank 10 is lowered than the pressure inside the receiver tank 10, and the refrigerant liquid stored in the receiver tank 10 flows through the refrigerant discharge pipe 12, the on-off valve 13, 26, and the refrigerant filling port 23 to the storage container 22 due to the pressure difference. It is transferred to the inside and filled to a predetermined amount.
一方、貯蔵容器２２内の冷媒ガスはガス放出口２４、開
閉弁２７．１５を経て冷媒回収機１に入り、冷媒吸入管
１４、第１のオイルセパレータ３、アキュムレタ４をこ
の順に経て冷媒圧縮機５に吸入されてここで圧縮される
。ここから吐出された高温・高圧の冷媒ガスは第２のオ
イルセパレータ６を経て凝縮器７に入り、ここで送風機
１１によって送風される冷却風と熱交換することによっ
て凝縮液化した後、気液分離器８、ドライヤ９を経てレ
シーバタンク１０に流入する。On the other hand, the refrigerant gas in the storage container 22 enters the refrigerant recovery machine 1 through the gas discharge port 24 and the on-off valve 27.15, passes through the refrigerant suction pipe 14, the first oil separator 3, and the accumulator 4 in this order, and then enters the refrigerant compressor. 5 and is compressed here. The high-temperature, high-pressure refrigerant gas discharged from here enters the condenser 7 via the second oil separator 6, where it condenses and liquefies by exchanging heat with the cooling air blown by the blower 11, and then is separated into gas and liquid. It flows into the receiver tank 10 through the container 8 and the dryer 9.
他の構成、作用は第２図に示すものと同様であり、対応
する部材には同し符号が付されている。The other structures and functions are the same as those shown in FIG. 2, and corresponding members are given the same reference numerals.
（発明の効果）
本発明においては、冷媒圧縮機、凝縮器、レシーバタン
ク等からなる冷媒回収機の冷媒吸入管を貯蔵容器のガス
放出管に接続するとともに上記冷媒回収機の冷媒排出管
を上記貯蔵容器の冷媒充填口に接続した状態で上記冷媒
回収機を運転することにより上記冷媒回収機に回収され
た冷媒を上記貯蔵容器に移送して充填するため、既存の
冷媒回収機を運転することにより容易、がっ、迅速に回
収冷媒を貯蔵容器に移送して所定量まで充填できる。そ
して、従来方法と異なり貯蔵容器を減圧するための真空
ポンプ及び貯蔵容器を冷却するための冷却槽やドライヤ
が不要となる。また、冷媒ガスを大気中に放出する必要
もないため大気を汚染することもない。(Effects of the Invention) In the present invention, a refrigerant suction pipe of a refrigerant recovery machine consisting of a refrigerant compressor, a condenser, a receiver tank, etc. is connected to a gas discharge pipe of a storage container, and a refrigerant discharge pipe of the refrigerant recovery machine is connected to the refrigerant discharge pipe of the refrigerant recovery machine. Operating the existing refrigerant recovery machine in order to transfer and fill the refrigerant recovered in the refrigerant recovery machine to the storage container by operating the refrigerant recovery machine while connected to the refrigerant filling port of the storage container. This allows the recovered refrigerant to be easily and quickly transferred to the storage container and filled up to a predetermined amount. Further, unlike the conventional method, a vacuum pump for reducing the pressure in the storage container and a cooling tank or dryer for cooling the storage container are not required. Furthermore, since there is no need to release refrigerant gas into the atmosphere, there is no need to pollute the atmosphere.
第１図は本発明方法の実施に用いられる装置の冷媒系統
図、第２図は従来方法の実施に用いられる装置の冷媒系
統図である。FIG. 1 is a refrigerant system diagram of an apparatus used to carry out the method of the present invention, and FIG. 2 is a refrigerant system diagram of an apparatus used to carry out the conventional method.
Claims (1)
収機の冷媒吸入管を貯蔵容器のガス放出口に接続すると
ともに上記冷媒回収機の冷媒排出管を上記貯蔵容器の冷
媒充填口に接続した状態で上記冷媒回収機を運転するこ
とにより上記冷媒回収機に回収された冷媒を上記貯蔵容
器に移送して充填することを特徴とする回収冷媒の移充
方法。A state in which the refrigerant suction pipe of a refrigerant recovery machine consisting of a refrigerant compressor, condenser, receiver tank, etc. is connected to the gas discharge port of the storage container, and the refrigerant discharge pipe of the refrigerant recovery machine is connected to the refrigerant filling port of the storage container. A method for transferring recovered refrigerant, characterized in that the refrigerant recovered by the refrigerant recovery machine is transferred and filled into the storage container by operating the refrigerant recovery machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179290A JPH03263565A (en) | 1990-03-13 | 1990-03-13 | Transferring and filling method for recovery refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179290A JPH03263565A (en) | 1990-03-13 | 1990-03-13 | Transferring and filling method for recovery refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03263565A true JPH03263565A (en) | 1991-11-25 |
Family
ID=13181306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6179290A Pending JPH03263565A (en) | 1990-03-13 | 1990-03-13 | Transferring and filling method for recovery refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03263565A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304728A (en) * | 2000-04-25 | 2001-10-31 | Rizoomu:Kk | High-efficiency chlorofluorocarbon gas recovering system |
| WO2004063645A1 (en) * | 2003-01-08 | 2004-07-29 | Nippon Oil Corporation | Air conditioner flon recovery, regeneration, filling device, and air conditioner lubrication oil replenishing method |
| CN104807262A (en) * | 2015-05-05 | 2015-07-29 | 上海佐竹冷热控制技术有限公司 | Refrigerating agent filling and recovering system and refrigerating agent filling and recovering method for vehicle air conditioner test system |
-
1990
- 1990-03-13 JP JP6179290A patent/JPH03263565A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304728A (en) * | 2000-04-25 | 2001-10-31 | Rizoomu:Kk | High-efficiency chlorofluorocarbon gas recovering system |
| WO2004063645A1 (en) * | 2003-01-08 | 2004-07-29 | Nippon Oil Corporation | Air conditioner flon recovery, regeneration, filling device, and air conditioner lubrication oil replenishing method |
| CN104807262A (en) * | 2015-05-05 | 2015-07-29 | 上海佐竹冷热控制技术有限公司 | Refrigerating agent filling and recovering system and refrigerating agent filling and recovering method for vehicle air conditioner test system |
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