JP2002096056A - Recovering method and device for foaming gas of foamed thermally insulating material - Google Patents
Recovering method and device for foaming gas of foamed thermally insulating materialInfo
- Publication number
- JP2002096056A JP2002096056A JP2001191322A JP2001191322A JP2002096056A JP 2002096056 A JP2002096056 A JP 2002096056A JP 2001191322 A JP2001191322 A JP 2001191322A JP 2001191322 A JP2001191322 A JP 2001191322A JP 2002096056 A JP2002096056 A JP 2002096056A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- insulating material
- foamed
- foaming
- heat insulating
- 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.)
- Granted
Links
- 238000005187 foaming Methods 0.000 title claims abstract description 38
- 239000011810 insulating material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002360 explosive Substances 0.000 claims description 25
- 238000011084 recovery Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 56
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 238000011835 investigation Methods 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 9
- 239000006260 foam Substances 0.000 description 7
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Disintegrating Or Milling (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、廃棄処分される冷蔵庫
等の廃冷却装置に用いられた不要な発泡断熱材の処理方
法及び処理装置に関し、特に発泡断熱材から発泡ガスを
脱気して回収する方法及び処理装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for treating an unnecessary foamed heat insulating material used in a waste cooling device such as a refrigerator to be disposed of, and more particularly to a method for degassing foamed gas from the foamed heat insulating material. The present invention relates to a collecting method and a processing apparatus.
【０００２】[0002]
【従来の技術】従来、公知例として発泡断熱材から発泡
ガスを回収する装置（例えば、特開平６−１８４３４８
号公報）があるが、回収対象とする発泡ガスはフロンガ
スのような可燃性及び／又は爆発性を有さないガスであ
る。一方、発泡ガスとしてフロンガスの代わりに用いら
れ始めたシクロペンタンガスは可燃性及び／又は爆発性
があり、このような可燃性及び／又は爆発性を有する発
泡ガスを、従来の発泡ガス回収装置により処理すれば爆
発等の危険がともなう。2. Description of the Related Art Heretofore, as a known example, an apparatus for recovering a foaming gas from a foamed heat insulating material (for example, JP-A-6-184348).
However, the foaming gas to be collected is a gas that does not have flammable and / or explosive properties, such as Freon gas. On the other hand, cyclopentane gas which has begun to be used in place of freon gas as a foaming gas is flammable and / or explosive, and such a flammable and / or explosive foaming gas is removed by a conventional foaming gas recovery device. If treated, there is a danger of explosion.
【０００３】[0003]
【発明が解決しようとする課題】シクロペンタンガスの
ような可燃性及び／又は爆発性を有する発泡ガスはほと
んど使用されてなかったため、従来の発泡ガス回収装置
では可燃性及び爆発性を有する発泡ガス対策は何等配慮
されていない。Since flammable and / or explosive foaming gas such as cyclopentane gas has hardly been used, flammable and explosive foaming gas has been used in a conventional foaming gas recovery apparatus. No measures have been taken into account.
【０００４】本発明は回収システム全体を対象としてお
り、解決しようとしている課題は冷却装置を破砕，分離
する際に可燃及び爆発を防止し、安全に発泡ガスを回収
するシステムに関するものであり、破砕前に可燃性及び
爆発性を有する発泡ガスを含有した冷却装置か調査する
こと無く、可燃性及び爆発性を有する発泡ガスを含有し
ていない冷却装置と一緒に安全に処理できる方法及び装
置を提供するものである。The present invention is directed to an entire recovery system, and an object to be solved relates to a system for preventing flammability and explosion when crushing and separating a cooling device and for safely recovering foaming gas. Provided is a method and a device which can be safely treated together with a flammable and explosive foaming gas-free cooling device without investigating a flammable and explosive foaming gas-containing cooling device in advance. Is what you do.
【０００５】[0005]
【課題を解決するための手段】破砕機に可燃性及び爆発
性を有する発泡ガスを検知する検知器を取付、発泡断熱
材を認識して、処理することで安全性が得られる。SUMMARY OF THE INVENTION A detector is installed in the crusher for detecting flammable and explosive foaming gas, and safety is obtained by recognizing and treating the foamed heat insulating material.
【０００６】[0006]
【作用】検知器により危険な発泡断熱材を認識し、認識
された発泡断熱材を従来の回収処理ルートから外すこと
ができるので、爆発等を未然防止できる。The detector detects a dangerous foam insulation material and removes the recognized foam insulation material from the conventional collection route, thereby preventing explosion and the like.
【０００７】[0007]
【実施例】以下、一実施を図１により説明する。図１は
装置全体の構成を示したもので、発泡断熱材を用いた冷
却装置（例えば家庭用冷蔵庫）１は破砕装置３及び分離
装置４のフードカバー及びダクト２の上部に設けられた
投入口２ａより投入される。投入された冷却装置１は、
破砕装置３内の互いに噛み合うように設けられた多速の
破砕刃３ａにより破砕された後、分離装置４に投入され
る。破砕装置３及び分離装置４はフードカバー及びダク
ト２により閉空間を成す構造となっており、破砕及び分
離の際に発生した発泡ガスは発泡ガス回収装置６へ吸引
パイプ６ａを通じて、回収される。分離装置４に投入さ
れた破砕片１ａは分離装置４内に設けられた回転衝撃ハ
ンマー４ａにより分離片１ｂに分離される。この分離片
１ｂは金属１ｆ，プラスチック１ｃ，発泡断熱材１ｄと
各材質ごとに分離される。この分離片１ｂは風力選別機
９の投入口７に入る。投入口７に投入された分離片１
ｆ，１ｃ，１ｄは風力発生ファン８により発生した、風
力により破砕片１ｆ，１ｃ，１ｄのそれぞれの材質によ
る比重の差を利用して発泡断熱材１ｄ、とプラスチック
１ｃ及び金属１ｆとに選別される。選別されたプラスチ
ック１ｃ及び金属１ｆはプラスチック，金属搬出ホッパ
９ｂより排出され、発泡断熱材１ｄは、ホッパ７ａから
粉砕機投入用スクリュウーフィーダ１２により粉砕機１
３に送られる。ここで、可燃性及び爆発性ガス検知器５
により可燃性及び爆発性ガスが検知された場合、ダンパ
ー１０により装置外に設けられた収納箱１１に格納され
る。粉砕機１３で粉砕された発泡断熱材１ｄは気泡を破
砕され、気泡内の発泡ガスを脱気した後、樹脂部分１ｅ
は圧縮装置１４において圧縮され、減容化及び雰囲気発
泡ガスを除去された後、外部へ搬出される。また、脱気
した発泡ガスは、バグフィルタ１５を通過し、微粉状の
樹脂部分を除去した後、圧縮機１６で圧縮され、凝縮器
１７で冷却により液化された後、捕集タンク１８にて貯
蔵される。なお、可燃性及び爆発性発泡ガスを使用した
冷却装置が少ない場合、この方法は大変有効である。An embodiment will be described below with reference to FIG. FIG. 1 shows the configuration of the entire apparatus. A cooling apparatus (for example, a household refrigerator) 1 using a foamed heat insulating material is provided with a hood cover of a crushing apparatus 3 and a separating apparatus 4 and an inlet provided at an upper portion of a duct 2. Input from 2a. The introduced cooling device 1
After being crushed by a multi-speed crushing blade 3 a provided so as to mesh with each other in the crushing device 3, it is put into the separation device 4. The crushing device 3 and the separating device 4 have a structure that forms a closed space by the hood cover and the duct 2, and the foaming gas generated at the time of crushing and separating is collected by the foaming gas collecting device 6 through the suction pipe 6 a. The crushed pieces 1a put into the separation device 4 are separated into separation pieces 1b by a rotary impact hammer 4a provided in the separation device 4. The separation piece 1b is separated into a metal 1f, a plastic 1c, and a foam heat insulating material 1d for each material. This separation piece 1 b enters the inlet 7 of the wind separator 9. Separation piece 1 thrown into slot 7
f, 1c, and 1d are separated into foam insulation 1d, plastic 1c, and metal 1f by utilizing the difference in specific gravity of each of the crushed pieces 1f, 1c, and 1d generated by the wind power generation fan 8 by the wind force. You. The selected plastic 1c and metal 1f are discharged from a plastic and metal carry-out hopper 9b, and the foamed heat insulating material 1d is discharged from a hopper 7a by a crusher input screw feeder 12 into a crusher 1c.
Sent to 3. Here, the flammable and explosive gas detector 5
When the flammable and explosive gas is detected by the device, the gas is stored by the damper 10 in the storage box 11 provided outside the device. The foamed heat insulating material 1d pulverized by the pulverizer 13 breaks bubbles, degass the foaming gas in the bubbles, and then forms the resin portion 1e.
After being compressed in the compression device 14 to reduce the volume and remove the atmospheric foaming gas, it is carried out. The degassed foam gas passes through a bag filter 15 to remove fine resin parts, is compressed by a compressor 16, is liquefied by cooling in a condenser 17, and is then liquefied by cooling in a condenser tank 18. Is stored. This method is very effective when there are few cooling devices using flammable and explosive foaming gas.
【０００８】図２では不活性ガス及び水蒸気パージにつ
いて説明する。図１の発泡ガス回収装置に不活性ガスま
たは水蒸気発生装置２１をフードカバー及びダクト２と
粉砕機１３に取り付けて、可燃性及び爆発性ガス検知器
５により、可燃性及び爆発性ガスを検知した場合、不活
性ガスまたは水蒸気発生装置２１ａ及び／又は２１ｂよ
り不活性ガスまたは水蒸気を発生させ、可燃及び爆発を
防止する。FIG. 2 explains the inert gas and steam purge. An inert gas or water vapor generator 21 is attached to the hood cover and the duct 2 and the crusher 13 in the foaming gas recovery apparatus of FIG. 1, and the flammable and explosive gas detector 5 detects the flammable and explosive gas. In this case, the inert gas or steam is generated from the inert gas or steam generators 21a and / or 21b to prevent flammability and explosion.
【０００９】図３では可燃性及び爆発性ガス検知器５に
より、可燃性及び爆発性ガスを検知した場合、発泡ガス
回収装置６及び圧縮機１６の吸引量を増加させ、可燃性
及び爆発性ガスの濃度を低下させてやることで、可燃及
び爆発を防止する。In FIG. 3, when the flammable and explosive gas detector 5 detects the flammable and explosive gas, the suction amount of the foaming gas recovery device 6 and the compressor 16 is increased, and the flammable and explosive gas is detected. Combustion and explosion are prevented by reducing the concentration of
【００１０】図４では可燃性及び爆発性ガス検知器５に
より、可燃性及び爆発性ガスを検知した場合、発泡ガス
回収装置６は吸引量を増加させ、可燃性及び爆発性ガス
の濃度を低下させてやり、解放弁４１では可燃性及び爆
発性ガスを排気させることにより、可燃及び爆発を防止
する。In FIG. 4, when the flammable and explosive gas detector 5 detects flammable and explosive gas, the foaming gas recovery device 6 increases the suction amount and lowers the concentration of the flammable and explosive gas. The release valve 41 prevents flammable and explosive gas by discharging flammable and explosive gas.
【００１１】図５では粉じん濃度測定器５１により、粉
じん爆発の発生する粉じん濃度に達する前に発泡ガス回
収装置６と圧縮機１６の吸引量を増加させ、粉じん濃度
を低下させることで粉じん爆発を防止する。In FIG. 5, before the dust concentration at which dust explosion occurs is reached by the dust concentration measuring device 51, the suction amount of the foaming gas recovery device 6 and the compressor 16 is increased, and the dust concentration is reduced by reducing the dust concentration. To prevent.
【００１２】本実施例においては、シクロペンタンガス
の防爆対策について説明したが、冷媒として使用される
アンモニアガス，廃冷蔵庫中に放置される可能性がある
スプレー等の可燃性含有物、あるいは誤って回収装置に
投入される可能性があるボンベ類に対してもそれぞれの
成分の検出器を設け、検出時には破砕機を動作停止さ
せ、あるいは回収装置全体を動作停止させることによ
り、本実施例の場合と同様に危険防止を図ることができ
る。In this embodiment, the explosion-proof measures against cyclopentane gas have been described. However, ammonia gas used as a refrigerant, flammable substances such as sprays that may be left in a waste refrigerator, or erroneous substances may be used. In the case of this embodiment, a detector for each component is also provided for cylinders that may be put into the collection device, and the crusher is stopped when detection is performed, or the entire collection device is stopped. Danger prevention can be achieved in the same manner as described above.
【００１３】[0013]
【発明の効果】本発明によれば、発泡断熱材の発泡ガス
回収装置において、廃冷却装置の発泡断熱材に使用され
ている発泡剤が不明でも安全に処理することが出来る。According to the present invention, a foaming gas recovery device for a foamed heat insulating material can safely treat a foaming agent used in a foamed heat insulating material of a waste cooling device even if the foaming agent is unknown.
【図１】本発明による発泡ガス回収装置の一実施例を示
す構成図である。FIG. 1 is a configuration diagram showing one embodiment of a foaming gas recovery device according to the present invention.
【図２】本発明による発泡ガス回収装置の他の実施例を
示す構成図である。FIG. 2 is a configuration diagram showing another embodiment of the foaming gas recovery device according to the present invention.
【図３】本発明による発泡ガス回収装置の他の実施例を
示す構成図である。FIG. 3 is a configuration diagram showing another embodiment of the foaming gas recovery device according to the present invention.
【図４】本発明による発泡ガス回収装置の他の実施例を
示す構成図である。FIG. 4 is a configuration diagram showing another embodiment of the foaming gas recovery device according to the present invention.
【図５】本発明による発泡ガス回収装置の他の実施例を
示す構成図である。FIG. 5 is a configuration diagram showing another embodiment of the foaming gas recovery device according to the present invention.
１…廃冷却装置、１ａ…破砕片、１ｂ…分離片、１ｃ…
プラスチック、１ｄ…発泡断熱材、１ｅ…樹脂部分、１
ｆ…金属、２…フードカバー及びダクト、２ａ…投入
口、３…破砕装置、３ａ…破砕刃、４…分離装置、４ａ
…回転衝撃ハンマー、５…可燃性ガス及び爆発性ガス検
知器、６…発泡ガス回収装置、６ａ…吸引パイプ、７…
投入口、７ａ…ホッパ、８…風力発生ファン、９…風力
選別機、９ａ…排気口、９ｂ…プラスチック、金属搬出
ホッパ、１０…ダンパー、１１…収納箱、１２…スクリ
ューフィーダ、１３…粉砕機、１４…圧縮装置、１５…
バグフィルタ、１６…圧縮機、１７…凝縮器、１８…捕
集タンク、２１…不活性ガスまたは水蒸気発生装置、４
１…解放弁、５１…粉じん濃度測定器。DESCRIPTION OF SYMBOLS 1 ... Waste cooling device, 1a ... Crushed piece, 1b ... Separation piece, 1c ...
Plastic, 1d: foam insulation, 1e: resin part, 1
f: metal, 2 ... food cover and duct, 2a ... input port, 3 ... crushing device, 3a ... crushing blade, 4 ... separation device, 4a
... Rotary impact hammer, 5 ... Flammable gas and explosive gas detector, 6 ... Foam gas recovery device, 6a ... Suction pipe, 7 ...
Input port, 7a: Hopper, 8: Wind generator fan, 9: Wind separator, 9a: Exhaust port, 9b: Plastic, metal discharge hopper, 10: Damper, 11: Storage box, 12: Screw feeder, 13: Crusher , 14 ... compression device, 15 ...
Bag filter, 16 compressor, 17 condenser, 18 collection tank, 21 inert gas or steam generator, 4
1. Release valve, 51: Dust concentration measuring device.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ２５Ｂ 45/00 Ｂ０９Ｂ 3/00 Ｚ (72)発明者 高村 義之 山口県下松市大字東豊井794番地 株式会 社日立製作所笠戸事業所内 (72)発明者 藤森 幹治 山口県下松市大字東豊井794番地 日立テ クノエンジニアリング株式会社笠戸事業所 内 (72)発明者 上田 博信 山口県下松市大字東豊井794番地 株式会 社日立製作所笠戸事業所内 Ｆターム(参考） 4D004 AA09 AA22 AB05 BA10 CA04 CA08 DA01 DA02 DA10 DA20 4D021 FA12 GA02 GA03 GA06 GA08 GA12 GA13 GA14 GB02 HA01 HA10 4D067 DD02 DD07 EE11 GA20 GB05 4F301 BF09 BF12 BF31 BG29 BG57──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F25B 45/00 B09B 3/00 Z (72) Inventor Yoshiyuki Takamura 794 Higashitoyoi, Kazamatsu-shi, Yamaguchi Pref. (72) Inventor, Mikiharu Fujimori, 794, Higashi-Toyoi, Kazamatsu, Kamamatsu, Hitachi, Ltd.Hitachi Techno Engineering Co., Ltd. F Term in Kasado Plant of Hitachi, Ltd.
Claims (4)
より得られた破砕片から発泡断熱材を分離し、分離した
発泡断熱材から発泡ガスを回収する際に、可燃性または
爆発性を有する発泡ガスを含有する発泡断熱材を検知
し、検知された発泡断熱材を発泡ガス回収の処理ルート
から外すことを特徴とする発泡ガス回収方法。1. A refrigeration apparatus to be disposed of is crushed, and the foamed heat insulating material is separated from the crushed pieces obtained by the crushing. A method for recovering a foamed gas, comprising: detecting a foamed heat-insulating material containing a foamed gas; and removing the detected foamed heat-insulating material from a processing route for foaming gas recovery.
より得られた破砕片から発泡断熱材を分離し、分離した
発泡断熱材から発泡ガスを回収する発泡ガス回収装置に
おいて、可燃性または爆発性を有する発泡ガスを含有す
る発泡断熱材を検知する検知器と、検知された発泡断熱
材を発泡ガス回収の処理ルートから外す分岐手段とを設
けたことを特徴とする発泡ガス回収装置。2. A foaming gas recovery device for crushing a cooling device to be discarded, separating foamed heat insulating material from crushed pieces obtained by the crushing, and recovering foamed gas from the separated foamed heat insulating material. A foamed gas recovery apparatus comprising: a detector for detecting a foamed heat insulating material containing an explosive foaming gas; and a branching means for removing the detected foamed heat insulating material from a processing route for foaming gas recovery.
より得られた破砕片から発泡断熱材を分離し、分離した
発泡断熱材から発泡ガスを回収する際に、可燃性または
爆発性を有するガスの発生を検知し、検知したときには
破砕動作を停止させることを特徴とする発泡ガス回収方
法。3. A refrigeration apparatus to be discarded is crushed, the foamed heat insulating material is separated from the crushed pieces obtained by the crushing, and when the foamed gas is recovered from the separated foamed heat insulating material, the flammability or explosive property is reduced. A method for recovering a foaming gas, comprising: detecting generation of a gas having the gas; and stopping the crushing operation when the generation is detected.
より得られた破砕片から発泡断熱材を分離し、分離した
発泡断熱材から発泡ガスを回収する発泡ガス回収装置に
おいて、可燃性または爆発性を有するガスの発生を検知
する検知器と、検知したときには破砕動作を停止させる
停止手段とを設けることを特徴とする発泡ガス回収方
法。4. A foaming gas recovery device for crushing a cooling device to be discarded, separating foamed heat insulating material from crushed pieces obtained by the crushing, and recovering foamed gas from the separated foamed heat insulating material. A method for recovering foamed gas, comprising: providing a detector for detecting the generation of explosive gas; and stopping means for stopping the crushing operation when the gas is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001191322A JP3684338B2 (en) | 2001-06-25 | 2001-06-25 | Foam gas recovery method and apparatus for foam insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001191322A JP3684338B2 (en) | 2001-06-25 | 2001-06-25 | Foam gas recovery method and apparatus for foam insulation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21155095A Division JP3251473B2 (en) | 1995-08-21 | 1995-08-21 | Method and apparatus for recovering foam gas from foam insulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002096056A true JP2002096056A (en) | 2002-04-02 |
| JP3684338B2 JP3684338B2 (en) | 2005-08-17 |
Family
ID=19029962
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001191322A Expired - Fee Related JP3684338B2 (en) | 2001-06-25 | 2001-06-25 | Foam gas recovery method and apparatus for foam insulation |
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| JP (1) | JP3684338B2 (en) |
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