JPH0327909A - Fusion volume reduction process for thermoplastic waste plastic - Google Patents
Fusion volume reduction process for thermoplastic waste plasticInfo
- Publication number
- JPH0327909A JPH0327909A JP1164888A JP16488889A JPH0327909A JP H0327909 A JPH0327909 A JP H0327909A JP 1164888 A JP1164888 A JP 1164888A JP 16488889 A JP16488889 A JP 16488889A JP H0327909 A JPH0327909 A JP H0327909A
- Authority
- JP
- Japan
- Prior art keywords
- air
- fed
- melting
- waste plastic
- gas
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 20
- 229920003023 plastic Polymers 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 title claims description 9
- 239000004416 thermosoftening plastic Substances 0.000 title claims description 9
- 230000004927 fusion Effects 0.000 title abstract 6
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 238000000197 pyrolysis Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims abstract 3
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims 1
- 238000005422 blasting Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 239000012768 molten material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 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
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、熱可塑性廃プラスチックの溶融減容方法に関
する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method for melting and reducing the volume of thermoplastic waste plastics.
「従来の技術Ｊ
従来この種の方法は、熱風による方式、加熱水蒸気によ
る方法、シーズヒーターによる熱可塑性発泡合或樹脂廃
棄物処理装置、特許出願公告昭５４−１７３５３号があ
るが、これら方法は総て外部から熱を供給する方法であ
った。また酸化劣化を意識して低温で長時間加熱をして
溶かすため、多くのエネルギーと時間を要した。又分解
ガスを処理する装置も大型でそれに要するランニングコ
ストも高かった。``Prior Art J'' Conventionally, this type of method includes a method using hot air, a method using heated steam, a thermoplastic foaming compound or resin waste treatment device using a sheathed heater, and Patent Application Publication No. 17353/1989, but these methods All of these methods involved supplying heat from outside.Also, they required a lot of energy and time to melt by heating at a low temperature for a long time to prevent oxidative deterioration.Also, the equipment for processing cracked gas was large. The running costs required for this were also high.
「発明が解決しようとする問題点」
本発明は、外気と遮断した溶融炉に廃プラスチックを押
し込み、短時間で小量の一次空気で乾溜しこの低温の熱
で溶融する方法を提供するものである．
ｒ問題点を解決するための手段」
本発明は従来の欠点を解決するもので、密閉された溶融
炉７の中へ廃プラスチック２３を入れてゲート５で空気
を遮断して、一次空気口から極めて少なく空気を供給し
て自燃させ、その熱によって溶融し、発生したガスは燃
焼室１６の中でアフターバーナー１７で燃焼することで
ある。"Problems to be Solved by the Invention" The present invention provides a method in which waste plastic is forced into a melting furnace isolated from the outside air, dry distilled in a short time with a small amount of primary air, and then melted with this low-temperature heat. be. ``Means for Solving Problems'' The present invention solves the drawbacks of the prior art, by putting the waste plastic 23 into the sealed melting furnace 7, blocking the air with the gate 5, and discharging it from the primary air port. A very small amount of air is supplied to cause self-combustion, and the resulting heat melts and the generated gas is combusted in the afterburner 17 in the combustion chamber 16.
「作用』
溶融炉７の上部にあるゲート５から廃プラスチック２３
を入れて、溶融炉７の一部に設けた一次空気口８から空
気を取り入れて、乾溜溶融して溶融層１３に溶かし，セ
パレータ−１１で完全溶融物のみを分離して、溶融物排
出口１２から受皿１０に取り冷却固形化する．乾溜ガス
は導通管１５から燃焼室１６に入れ、二次空気口１４か
ら空気を取り入れアフターバーナー１３で完全燃焼させ
る。送風機１８から送られた空気は、送風口１９を通り
、ベンチュリー２１により無害化されたガスを煙突２２
から冷却，排出する．溶融炉１の下の溶融＃１３にスク
リューコンベア−２４を設けて溶融物を排出する。"Operation" Waste plastic 23 is removed from the gate 5 at the top of the melting furnace 7.
The air is taken in from the primary air port 8 provided in a part of the melting furnace 7, and is melted by dry distillation and melted into the molten layer 13. Only the completely molten material is separated by the separator 11, and the molten material is discharged from the molten material outlet. Transfer from 12 to saucer 10 and cool to solidify. The dry distilled gas is introduced into a combustion chamber 16 through a conduction pipe 15, air is taken in through a secondary air port 14, and is completely combusted in an afterburner 13. The air sent from the blower 18 passes through the air outlet 19, and the gas made harmless by the venturi 21 is sent to the chimney 22.
Cool and discharge. A screw conveyor 24 is provided in the melt #13 below the melting furnace 1 to discharge the melt.
「実施例」 本発明の実施例を図面に基づいて詳述する。"Example" Embodiments of the present invention will be described in detail based on the drawings.
準備室１に設けられた投入口３の投入口扉４を開けて廃
プラスチック２３を入れて投入口７１４閉じる．ゲート
エアーシリンダー６でゲート５を開けて押し込みエアー
シリンダー２で溶融炉７の中に押し込みゲート５を閉じ
る。廃プラスチック２３は点火装置９で着火され，一次
空気口８から極めて少ない空気の供給で自燃しなから溶
融して、溶１１Ｎ１３に貯まる。溶融物はセパレータ−
１１を経て溶融物出口１２から受皿１０へ流し込み冷却
固形化して取り出し，更に次から次へと廃プラスチック
の供給を続ける。分解ガスは溶融炉７から導通管１５を
通って燃焼室１６へ入り二次空気口１４からの空気とア
フターバナー１７で完全燃焼させる．送風機１８から送
られた空気は、送風口１９を通り、ベンチュリー２１に
より、無害化された廃ガスを冷却し、排出する．又、樹
脂の溶融粘度によってはスクリュー２４によって排出す
る．
「発明の効果』
本発明は、以上のように廃プラスチックが自燃してその
熱で溶融する。この場合の一次空気の供給量を調整する
ことにより、分解ガスも少なく、溶融炉７の温度も低く
調整出来る．また、この少ない廃ガスを簡単な燃焼装置
によって無害化することが出来る．また、ランニングコ
ストが極めて安い．更に実験の結果、従来の方法に比較
して、溶融物の品質が良い事が判明した．Open the input port door 4 of the input port 3 provided in the preparation room 1, put in the waste plastic 23, and close the input port 714. The gate 5 is opened by the gate air cylinder 6, and the gate 5 is pushed into the melting furnace 7 by the air cylinder 2, and the gate 5 is closed. The waste plastic 23 is ignited by the igniter 9, and with very little air supplied from the primary air port 8, it self-combusts, melts, and accumulates in the melt 11N13. The melt is a separator
11, the melt is poured into the tray 10 from the melt outlet 12, cooled and solidified, and taken out, and the waste plastics continue to be supplied one after another. The cracked gas enters the combustion chamber 16 from the melting furnace 7 through the conduit 15 and is completely combusted by the air from the secondary air port 14 and the afterbanner 17. The air sent from the blower 18 passes through the air outlet 19, cools the detoxified waste gas by the venturi 21, and discharges it. Depending on the melt viscosity of the resin, it may be discharged by a screw 24. "Effects of the Invention" As described above, the present invention allows waste plastics to self-combust and melt with the heat.In this case, by adjusting the supply amount of primary air, the amount of decomposed gas is reduced and the temperature of the melting furnace 7 is also reduced. It can be adjusted to a low level.Also, this small amount of waste gas can be rendered harmless using a simple combustion device.Also, the running cost is extremely low.Furthermore, as a result of experiments, the quality of the molten product is better than that of conventional methods. The thing has become clear.
図面は本発明の一実施例を示し第ｌ図は熱可塑性廃プラ
スチックの溶融減容方法の装置の断面実態図を示す．第
２図はスクリュータイプの熱可塑性廃プラスチックの溶
融減容方法の、それぞれ断面実態図を示す．The drawings show one embodiment of the present invention, and Figure 1 shows a cross-sectional view of an apparatus for a method for melting and reducing the volume of thermoplastic waste plastics. Figure 2 shows a cross-sectional diagram of each method for melting and reducing the volume of screw-type thermoplastic waste plastics.
Claims (4)
ク２３を入れて外気と遮断して、溶融炉７の一部に設け
た一次空気口８から空気を取り入れ、乾溜溶融して溶融
層１３に溶かしセパレーター１１で完全溶融物のみを分
離して溶融物排出口１２から受皿１０に取り冷却固形化
する熱可塑性廃プラスチックの溶融減容方法。(1) Waste plastic 23 is introduced through the gate 5 at the top of the melting furnace 7, isolated from the outside air, air is taken in through the primary air port 8 provided in a part of the melting furnace 7, and the waste plastic is melted by dry distillation to form a molten layer 13. A method for melting and reducing the volume of thermoplastic waste plastics, in which only the completely melted material is separated by a separator 11 and taken from a melt outlet 12 into a saucer 10 and cooled and solidified.
空気口１４から空気を取り入れアフターバーナー１３で
燃焼させる、特許請求の範囲第１項記載の熱可塑性廃プ
ラスチックの溶融減容方法。(2) The method for melting and reducing the volume of thermoplastic waste plastics according to claim 1, wherein the dry distilled gas is introduced into the combustion chamber 16 from the conduit pipe 15, air is taken in from the secondary air port 14, and is burned in the afterburner 13.
送りこみ、ベンチュリー２１で燃焼室１６の空気を引き
、空気を混合冷却して排出する特許請求の範囲第１項記
載の熱可塑性廃プラスチックの溶融減容方法。(3) Thermoplastic waste according to claim 1, in which air is sent into the chimney 22 from the air outlet 19 by the blower 18, air is drawn from the combustion chamber 16 by the venturi 21, the air is mixed and cooled, and then discharged. Method for melting and reducing the volume of plastic.
て溶融物を排出する特許請求の範囲第１項記載の熱可塑
性廃プラスチックの溶融減容方法。(4) The method for melting and reducing the volume of thermoplastic waste plastics according to claim 1, wherein a power extraction device is provided in the melting layer 13 below the melting furnace 7 to discharge the melt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164888A JPH0327909A (en) | 1989-06-27 | 1989-06-27 | Fusion volume reduction process for thermoplastic waste plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1164888A JPH0327909A (en) | 1989-06-27 | 1989-06-27 | Fusion volume reduction process for thermoplastic waste plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0327909A true JPH0327909A (en) | 1991-02-06 |
Family
ID=15801789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1164888A Pending JPH0327909A (en) | 1989-06-27 | 1989-06-27 | Fusion volume reduction process for thermoplastic waste plastic |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0327909A (en) |
-
1989
- 1989-06-27 JP JP1164888A patent/JPH0327909A/en active Pending
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