JPH11218313A - Waste treatment method and waste treatment facility - Google Patents
Waste treatment method and waste treatment facilityInfo
- Publication number
- JPH11218313A JPH11218313A JP3433498A JP3433498A JPH11218313A JP H11218313 A JPH11218313 A JP H11218313A JP 3433498 A JP3433498 A JP 3433498A JP 3433498 A JP3433498 A JP 3433498A JP H11218313 A JPH11218313 A JP H11218313A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- heating furnace
- tunnel
- container
- charging
- 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.)
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- Gasification And Melting Of Waste (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、廃棄物を、周囲へ
の飛散などを回避して安全に高温処理するための廃棄物
処理方法および廃棄物処理設備に関し、さらには、医療
系廃棄物のように密閉容器に収納した状態で廃棄され、
輸送、処理される廃棄物を、内容物の周囲への飛散など
を回避して安全に高温処理するための廃棄物処理方法お
よび廃棄物処理設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste treatment method and a waste treatment facility for safely treating waste at a high temperature while avoiding scattering to the surroundings, and more particularly to medical waste. Is disposed of in a closed container as
The present invention relates to a waste treatment method and a waste treatment facility for safely treating a waste to be transported and treated at a high temperature while avoiding scattering of contents around the waste.
【０００２】[0002]
【従来の技術】現在、廃棄物処分場の不足などが顕在化
しており、産業廃棄物あるいは一般廃棄物の多くは、発
生したままの姿で、あるいは何らかの事前処理の上、焼
却処分され減容化された後に埋立などの最終処分が行わ
れる場合が多い。上記した焼却処分の方法としては様々
な方法が挙げられるが、近年、焼却場における発生ガス
中のダイオキシンなど有害物質の管理が問題となってお
り、高温酸化雰囲気で有害物を分解することが可能な焼
却方法が求められている。2. Description of the Related Art At present, a shortage of waste disposal sites has become apparent, and many industrial wastes or general wastes are incinerated and discarded as they are generated or after some pretreatment. Final disposal, such as landfill, is often performed after it has been converted. There are various methods of incineration described above, but in recent years, management of harmful substances such as dioxin in generated gas at incineration plants has become a problem, and toxic substances can be decomposed in a high-temperature oxidizing atmosphere. There is a demand for an incineration method.
【０００３】このような高温処理が可能な廃棄物焼却方
法として、特開平６−26626 号公報、特開平６−79252
号公報、特開平７−323270号公報に開示された廃棄物処
理プロセスが挙げられる。図５に、上記した従来技術の
廃棄物処理設備を側面図によって示す。図５において、
１は廃棄物を回分的（：バッチ的）に加圧、圧縮する圧
縮機、２は圧縮用シリンダ、３は圧縮支持盤、４は圧縮
された廃棄物（以下圧縮成型物とも記す）を乾燥、熱分
解、炭化するためのトンネル式加熱炉（：横型トンネル
式加熱炉）、4aは圧縮成型物の乾燥領域、4bは圧縮成型
物の熱分解領域、4cは圧縮成型物の炭化領域、４E はト
ンネル式加熱炉４の入口、５は高温反応器、10a、10i
は圧縮成型物、11i 、 11n は炭化した圧縮成型物（以下
炭化生成物とも記す）、12は炭化生成物と燃焼残渣の混
合物、13は酸素含有ガスの吹き込み口、15は溶融物、15
H は溶融物排出口、20は廃棄物投入口、21は廃棄物投入
口の蓋、40はトンネル式加熱炉４で得られた炭化生成物
の高温反応器５内への押出し口（：高温反応器５内への
炭化生成物の装入口）、50は高温反応器５の排ガス出
口、50a は高温反応器５のガス排出口、ｆ1 は圧縮成型
物10a 、10i の移動方向、ｆ2は炭化生成物11i 、11n
の移動方向、ｆ3 はトンネル式加熱炉４内で生成した熱
分解ガスの流れ方向、ｆ4 は高温反応器５内への酸素含
有ガスの吹き込み方向、ｆ6 は圧縮用シリンダ２の移動
方向、ｆ7 は圧縮支持盤３の移動方向、ｆ8 は廃棄物投
入口20の蓋21の回転方向、ＬL は炭化生成物の高温反応
器５内への押出し口40の下端の高さ、ＬH は高温反応器
５のガス排出口50a の高さを示す。As a waste incineration method capable of performing such a high-temperature treatment, Japanese Patent Application Laid-Open Nos. Hei 6-26626 and Hei 6-79252
And a waste disposal process disclosed in Japanese Patent Application Laid-Open No. 7-323270. FIG. 5 is a side view showing the above-mentioned conventional waste treatment facility. In FIG.
1 is a compressor for pressurizing and compressing waste in a batchwise (: batch) manner, 2 is a compression cylinder, 3 is a compression support plate, and 4 is a dryer for compressed waste (hereinafter also referred to as a compression molded product). Tunnel heating furnace for thermal decomposition and carbonization (horizontal tunnel heating furnace), 4a is a compression molded product drying region, 4b is a compression molded product pyrolysis region, 4c is a compression molded product carbonization region, 4 E is the entrance of the tunnel heating furnace 4, 5 is the high temperature reactor, 10a, 10i
Are compression molded products, 11 i and 11 n are carbonized compression molded products (hereinafter also referred to as carbonized products), 12 is a mixture of carbonized products and combustion residues, 13 is an oxygen-containing gas blowing port, 15 is a melt, Fifteen
H is the melt outlet, 20 is the waste inlet, 21 is the lid of the waste inlet, 40 is the outlet for extruding the carbonized product obtained in the tunnel heating furnace 4 into the high temperature reactor 5 (: high temperature spout) carbide products into the reactor 5, 50 exhaust gas outlet of the high temperature reactor 5, 50a is a gas outlet of the high temperature reactor 5, f 1 is the compression-molded product 10a, 10i moving direction of, f 2 Are the carbonized products 11 i , 11 n
, F 3 is the flow direction of the pyrolysis gas generated in the tunnel heating furnace 4, f 4 is the blowing direction of the oxygen-containing gas into the high-temperature reactor 5, f 6 is the moving direction of the compression cylinder 2 , the moving direction of the f 7 is compressed support plate 3, f 8 waste inlet 20 direction of rotation of the lid 21 of, L L is the height of the lower end of the extrusion port 40 to the high temperature reactor 5 carbonization product, L H indicates the height of the gas outlet 50 a of the high temperature reactor 5.
【０００４】図５に示す廃棄物処理設備においては、先
ず、回分的に廃棄物投入口20から供給した廃棄物を、圧
縮機１を用いて圧縮して緊密な圧縮成型物10a とする。
次に、この圧縮成型物10a を、外部から加熱された細長
いトンネル式加熱炉（：横型トンネル式加熱炉）４内へ
押し込む。この際、廃棄物中に含まれていた水分は、上
記した圧縮工程で絞り出され、廃棄物と共にトンネル式
加熱炉４内に押し込まれる。In the waste treatment equipment shown in FIG. 5, first, wastes supplied batchwise from the waste inlet 20 are compressed using the compressor 1 to form a tight compression molded product 10a.
Next, the compression molded product 10a is pushed into an elongated tunnel-type heating furnace (a horizontal tunnel-type heating furnace) 4 heated from the outside. At this time, the water contained in the waste is squeezed out in the above-described compression step and pushed into the tunnel heating furnace 4 together with the waste.
【０００５】圧縮成型物10a の断面形状は、トンネル式
加熱炉４の入口４E の内壁断面と同形、同一寸法であ
り、圧縮成型物10a を押し込むと圧縮成型物10a はトン
ネル式加熱炉４の内壁と接触状態を保ったまま押し込ま
れる。圧縮成型物10i は、順次新しい圧縮成型物が押し
込まれる毎に、トンネル式加熱炉４内を滑りながら移動
する。[0005] cross-sectional shape of the compression molded product 10a has an inner wall section having the same shape of the inlet 4 E of the tunnel type heating furnace 4, the same size, the compression molded product 10a pushes the compression molded product 10a is a tunnel type heating furnace 4 It is pushed in while keeping contact with the inner wall. Each time a new compression molded product is pushed in, the compression molded product 10i slides inside the tunnel heating furnace 4 and moves.
【０００６】トンネル式加熱炉４は前記したように外部
から加熱されており、内部は 600℃程度まで昇温され、
圧縮成型物10i の移動、昇温過程において、圧縮成型物
10iは乾燥、熱分解、炭化する。炭化生成物11n および
熱分解により発生したガス成分は、1000℃以上に維持さ
れた高温反応器５内へ装入および吹き込まれる。The tunnel type heating furnace 4 is heated from the outside as described above, and the inside is heated to about 600 ° C.
In the process of moving and heating the compression molded product 10i, the compression molded product
10i dry, pyrolyze and carbonize. The carbonized product 11n and gas components generated by thermal decomposition are charged and blown into the high-temperature reactor 5 maintained at 1000 ° C. or higher.
【０００７】その後、鉱物分、金属分を含む炭化生成物
中の可燃分は、酸素含有ガスによって燃焼してガス化す
る。この場合、酸素含有ガス中の酸素量を調整すること
で、発生するガスは一酸化炭素と水素を含む燃料用ガス
として回収できる。また、燃焼によってガス化しない残
渣部分は、高温反応器５内で溶融し、溶融物15となって
高温反応器５下部の溶融物排出口15H から回収される。Thereafter, the combustibles in the carbonized product containing the minerals and metals are burned by the oxygen-containing gas and gasified. In this case, by adjusting the amount of oxygen in the oxygen-containing gas, the generated gas can be recovered as a fuel gas containing carbon monoxide and hydrogen. The residue that is not gasified by combustion is melted in the high-temperature reactor 5 to become a melt 15 and is recovered from a melt outlet 15H below the high-temperature reactor 5.
【０００８】上記した廃棄物処理方法は、種々の形態で
発生する産業廃棄物、一般廃棄物を圧縮機で回分的に圧
縮成型して処理するため、汎用性の高い方法であると考
えられる。一方、病院あるいは研究所などから発生する
感染性医療廃棄物のように、飛散させることが許されな
い廃棄物の場合、合成樹脂製の密閉容器などにパックし
て、密閉容器のまま輸送および焼却が行われている。The above-mentioned waste treatment method is considered to be a highly versatile method since industrial waste and general waste generated in various forms are batch-molded and processed by a compressor. On the other hand, waste that cannot be scattered, such as infectious medical waste generated from hospitals or research laboratories, is packed in a closed container made of synthetic resin and transported and incinerated in the closed container. Is being done.
【０００９】このような合成樹脂製の密閉容器に収納さ
れた廃棄物（：以下合成樹脂製容器密閉型廃棄物あるい
は容器密閉型廃棄物と記す）を前記した廃棄物処理方法
を用いて他の廃棄物と同様に処理しようとすると、廃棄
物投入口20の直下で容器密閉型廃棄物を圧縮する際に密
閉容器が破壊され、内部の感染性医療系廃棄物などの有
害物が飛散してしまうという問題が生じる。The waste stored in such a synthetic resin hermetic container (hereinafter referred to as a synthetic resin container hermetic waste or a container hermetic waste) is subjected to another method using the aforementioned waste treatment method. Attempting to dispose of the waste in the same way as the waste, the sealed container is destroyed when compressing the closed container waste just below the waste input port 20, and harmful substances such as infectious medical waste inside are scattered. The problem arises.
【００１０】このため、前記した廃棄物処理方法におい
ては医療廃棄物などの有害物の処理は行われていなかっ
た。For this reason, in the above-mentioned waste treatment method, treatment of harmful substances such as medical waste has not been performed.
【００１１】[0011]
【発明が解決しようとする課題】本発明は、前記した従
来技術の問題点を解決し、廃棄物を、周囲への飛散の恐
れなく安全に、確実に処理することが可能な、廃棄物処
理方法および廃棄物処理装置を提供することを目的とす
る。さらに、本発明は、合成樹脂製密閉容器などの密閉
容器に収納された感染性医療系廃棄物などの容器密閉型
廃棄物を、内容物の飛散の恐れなく安全に、確実に処理
することが可能な廃棄物処理方法および廃棄物処理装置
を提供することを目的とする。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and is capable of safely and surely treating waste without fear of scattering to the surroundings. It is an object to provide a method and a waste treatment device. Furthermore, the present invention can safely and securely treat container-closed waste such as infectious medical waste stored in a sealed container such as a synthetic resin sealed container without fear of scattering of contents. An object of the present invention is to provide a possible waste treatment method and a waste treatment device.
【００１２】[0012]
【課題を解決するための手段】前記した廃棄物処理プロ
セスでは圧縮成型物をトンネル式加熱炉内へ押し込む部
位で、圧縮成型物がトンネル式加熱炉の内壁と接触状態
を保ちながら押し込まれることで、プロセス内で発生す
る蒸気、ガスなどのトンネル式加熱炉入り口への逆流を
防止するシールの役目を果たしている。In the above-mentioned waste treatment process, the compression molded product is pushed into the tunnel type heating furnace at a portion where the compression molded product is pushed into the tunnel type heating furnace while maintaining a contact state with the inner wall of the tunnel type heating furnace. It also serves as a seal to prevent backflow of steam, gas, etc. generated in the process to the entrance of the tunnel type heating furnace.
【００１３】一方、圧縮成型物は、トンネル式加熱炉内
で炭化される間に、容積が縮小するため炭化領域におい
てはトンネル式加熱炉内の上部に空間（：隙間）Ｓが形
成される。本発明者らは、トンネル式加熱炉を用いて廃
棄物を乾燥、熱分解、炭化する際に炭化領域に形成され
るトンネル式加熱炉内の空間に着目した。On the other hand, while the compression-molded product is carbonized in the tunnel-type heating furnace, a space (a gap) S is formed in the upper part of the tunnel-type heating furnace in the carbonization region because the volume is reduced. The present inventors paid attention to the space in the tunnel-type heating furnace formed in the carbonized region when the waste was dried, thermally decomposed, and carbonized using the tunnel-type heating furnace.
【００１４】すなわち、本発明者らは、例えば横型トン
ネル式加熱炉においては該加熱炉の炭化領域の上部に形
成される隙間であるトンネル式加熱炉内の炭化領域に形
成される空間に、前記した感染性医療系廃棄物を収納し
た密閉容器を投入することによって、環境上飛散させる
ことができない感染性医療系廃棄物の処理が可能である
ことを見い出し、本発明に想到した。That is, for example, in the case of a horizontal tunnel heating furnace, the present inventors have stated that the space formed in the carbonization region in the tunnel heating furnace, which is a gap formed above the carbonization region of the heating furnace, The present inventors have found that it is possible to treat infectious medical waste that cannot be scattered in the environment by inserting a sealed container containing the infectious medical waste thus obtained, and have reached the present invention.
【００１５】すなわち、第１の発明は、廃棄物を回分的
に加圧、圧縮する工程と、得られた圧縮成型物を、トン
ネル式加熱炉内に装入し、乾燥、熱分解、炭化する工程
と、得られた炭化生成物を、高温反応器内に装入し、燃
焼し、不燃分を溶融する工程を有する廃棄物処理方法に
おいて、前記廃棄物とは別個に、廃棄物を、前記トンネ
ル式加熱炉内の炭化領域に直接装入し、前記した炭化生
成物と共に前記高温反応器内に装入することを特徴とす
る廃棄物処理方法である。That is, in the first invention, a step of batch-wise pressurizing and compressing the waste, and charging the obtained compression-molded product into a tunnel-type heating furnace to dry, pyrolyze, and carbonize the waste. And a step of charging the obtained carbonized product into a high-temperature reactor, burning, and melting a non-combustible component.In a waste treatment method, separately from the waste, A waste treatment method comprising directly charging a carbonized region in a tunnel heating furnace and charging the carbonized product together with the carbonized product into the high-temperature reactor.
【００１６】第２の発明は、廃棄物を回分的に加圧、圧
縮する工程と、得られた圧縮成型物を、トンネル式加熱
炉内に装入し、乾燥、熱分解、炭化する工程と、得られ
た炭化生成物を、高温反応器内に装入し、燃焼し、不燃
分を溶融する工程を有する廃棄物処理方法において、容
器密閉型廃棄物を、前記トンネル式加熱炉内の炭化領域
に直接装入し、前記した炭化生成物と共に前記高温反応
器内に装入することを特徴とする廃棄物処理方法であ
る。According to a second aspect of the present invention, there is provided a step of batch-pressing and compressing waste, a step of charging the obtained compression-molded product into a tunnel-type heating furnace, and drying, pyrolyzing and carbonizing the waste. , The obtained carbonized product is charged into a high-temperature reactor, burned, and a waste treatment method having a step of melting non-combustible components. A waste treatment method, wherein the waste is directly charged into an area and charged into the high-temperature reactor together with the carbonized product.
【００１７】第３の発明は、廃棄物を回分的に加圧、圧
縮する圧縮機１と、該圧縮機１で得られた圧縮成型物を
乾燥、熱分解、炭化するためのトンネル式加熱炉４と、
該トンネル式加熱炉４で得られた炭化生成物を燃焼し、
不燃分を溶融するための高温反応器５を有する廃棄物処
理設備において、前記トンネル式加熱炉４の炭化領域4C
における側壁に、前記圧縮機１への廃棄物投入口20とは
別個に、廃棄物を前記トンネル式加熱炉４内に装入する
ための装入装置30を設けたことを特徴とする廃棄物処理
設備である。A third aspect of the present invention relates to a compressor 1 for pressurizing and compressing waste in a batchwise manner, and a tunnel heating furnace for drying, pyrolyzing and carbonizing a compression molded product obtained by the compressor 1. 4 and
Burning the carbonized product obtained in the tunnel heating furnace 4,
In a waste treatment facility having a high-temperature reactor 5 for melting incombustible components, a carbonized area 4C of the tunnel heating furnace 4 is provided.
A charging device for charging the waste into the tunnel heating furnace 4 separately from the waste input port 20 to the compressor 1 Processing equipment.
【００１８】第４の発明は、廃棄物を回分的に加圧、圧
縮する圧縮機１と、該圧縮機１で得られた圧縮成型物を
乾燥、熱分解、炭化するための横型トンネル式加熱炉４
と、該横型トンネル式加熱炉４で得られた炭化生成物を
燃焼し、不燃分を溶融するための高温反応器５を有する
廃棄物処理設備において、前記横型トンネル式加熱炉４
の炭化領域4Cにおける上側側壁に、前記圧縮機１への廃
棄物投入口20とは別個に、容器密閉型廃棄物を前記横型
トンネル式加熱炉４内に装入するための装入装置30を設
けたことを特徴とする廃棄物処理設備である。According to a fourth aspect of the present invention, there is provided a compressor 1 for pressurizing and compressing waste in a batchwise manner, and a horizontal tunnel heating for drying, pyrolyzing and carbonizing the compression molded product obtained by the compressor 1. Furnace 4
And a waste treatment facility having a high-temperature reactor 5 for burning carbonized products obtained in the horizontal tunnel-type heating furnace 4 and melting non-combustible components.
A charging device 30 for charging container-closed waste into the horizontal tunnel-type heating furnace 4 separately from the waste input port 20 to the compressor 1 on the upper side wall in the carbonized region 4C. It is a waste treatment facility characterized by being provided.
【００１９】第５の発明は、廃棄物を回分的に加圧、圧
縮する圧縮機１と、該圧縮機１で得られた圧縮成型物を
乾燥、熱分解、炭化するための横型トンネル式加熱炉４
と、該横型トンネル式加熱炉４で得られた炭化生成物を
燃焼し、不燃分を溶融するための高温反応器５を有する
廃棄物処理設備において、前記横型トンネル式加熱炉４
の上側側壁に、前記圧縮機１への廃棄物投入口20とは別
個に、容器密閉型廃棄物を前記横型トンネル式加熱炉４
内に装入するための装入装置30を有し、該装入装置30
が、前記容器密閉型廃棄物の供給ホッパ33と、該供給ホ
ッパ33の下部に設けられた上部シール弁31と、該上部シ
ール弁31の下部に連接された貯留室34と、該貯留室34の
下部に設けられた下部シール弁32と、該下部シール弁32
の下部に連接され前記容器密閉型廃棄物を前記横型トン
ネル式加熱炉４内に装入するための容器密閉型廃棄物装
入口Ｏとから構成されると共に、前記横型トンネル式加
熱炉４の入口４E から前記容器密閉型廃棄物装入口Ｏの
開口部の中心Oc迄の距離ｌ1が下記式(1) を満足するこ
とを特徴とする廃棄物処理設備である。According to a fifth aspect of the present invention, there is provided a compressor 1 for pressurizing and compressing waste in batches, and a horizontal tunnel heating for drying, pyrolyzing and carbonizing the compression molded product obtained by the compressor 1. Furnace 4
And a waste treatment facility having a high-temperature reactor 5 for burning carbonized products obtained in the horizontal tunnel-type heating furnace 4 and melting non-combustible components.
In the upper side wall of the horizontal tunnel type heating furnace 4, separately from the waste input port 20 to the compressor 1,
A charging device 30 for charging the inside of the charging device;
A supply hopper 33 for the container-sealed waste, an upper seal valve 31 provided at a lower portion of the supply hopper 33, a storage chamber 34 connected to a lower portion of the upper seal valve 31, and a storage chamber 34. A lower seal valve 32 provided at the lower part of the
And a container-closed waste loading port O for charging the container-closed waste into the horizontal tunnel-type heating furnace 4 and an inlet of the horizontal tunnel-type heating furnace 4. 4 distance l 1 from E to the center Oc of the opening of the container sealed waste MonoSo inlet O is waste treatment facility which satisfies the following formula (1).
【００２０】ｌ＞ｌ1 ≧（１／２）×ｌ………(1) ここで、ｌ1 は前記横型トンネル式加熱炉４の入口４E
から前記容器密閉型廃棄物装入口Ｏの開口部の中心Oc迄
の距離、ｌは前記横型トンネル式加熱炉４の入口４E か
ら前記横型トンネル式加熱炉４で得られた炭化生成物の
前記高温反応器５内への押出し口40迄の距離を示す。L> l 1 ≧ (1/2) × l (1) where l 1 is the entrance 4 E of the horizontal tunnel type heating furnace 4.
Distance to the center Oc of the opening of the container sealed waste MonoSo inlet O from, l is from said inlet 4 E of the horizontal tunnel type heating furnace 4 of the horizontal tunnel type heating furnace 4 in the resulting carbonized product The distance to the extrusion port 40 into the high temperature reactor 5 is shown.
【００２１】なお、前記した第１の発明、第２の発明
は、前記した加圧、圧縮する工程で得られた圧縮成型物
を、順次、トンネル式加熱炉内に装入し、乾燥、熱分
解、炭化し、得られた炭化生成物を、順次、高温反応器
内に装入し、燃焼し、不燃分を溶融する工程を有する廃
棄物処理方法に、より好ましく適用される。また、前記
した第３の発明〜第５の発明は、前記圧縮機１とトンネ
ル式加熱炉（あるいは横型トンネル式加熱炉）４と高温
反応器５が、当該順序で接続され、前記圧縮成型物、炭
化生成物が連続的に前記圧縮機１、トンネル式加熱炉
（あるいは横型トンネル式加熱炉）４内を移動し、高温
反応器５内に供給される廃棄物処理設備に、より好まし
く適用される。According to the first and second aspects of the present invention, the compression-molded products obtained in the above-mentioned pressurizing and compressing steps are sequentially charged into a tunnel-type heating furnace, and dried and heated. The present invention is more preferably applied to a waste treatment method having a step of sequentially charging a pyrolysis product obtained by cracking and carbonization into a high-temperature reactor, burning and melting non-combustible components. Further, in the third to fifth aspects of the present invention, the compressor 1, the tunnel-type heating furnace (or horizontal tunnel-type heating furnace) 4, and the high-temperature reactor 5 are connected in this order, It is more preferably applied to a waste treatment facility in which the carbonized product continuously moves in the compressor 1 and the tunnel heating furnace (or horizontal tunnel heating furnace) 4 and is supplied into the high-temperature reactor 5. You.
【００２２】[0022]
【発明の実施の形態】以下、本発明をさらに詳細に説明
する。図１に、本発明の廃棄物処理設備の一例を側面図
によって示す。また、図２に、図１のＡ部部分拡大側面
図を示す。図１において、11i は炭化生成物、30はトン
ネル式加熱炉（：横型トンネル式加熱炉）４の炭化領域
4cにおける上側側壁に設けた容器密閉型廃棄物の装入装
置、31は上部シール弁、32は下部シール弁、33は容器密
閉型廃棄物の供給ホッパ、Ｓは空間（：隙間）を示し、
その他の符号は図５と同様の内容を示す。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in more detail. FIG. 1 is a side view showing an example of the waste treatment equipment of the present invention. FIG. 2 shows an enlarged side view of a portion A in FIG. In FIG. 1, 11 i is a carbonization product, 30 is a carbonization region of a tunnel heating furnace (: a horizontal tunnel heating furnace) 4.
4c, a container-sealed waste charging device provided on the upper side wall, 31 is an upper seal valve, 32 is a lower seal valve, 33 is a supply hopper for container-sealed waste, S is a space (: gap),
Other symbols indicate the same contents as in FIG.
【００２３】また、図２において、4Uはトンネル式加熱
炉４の天井部、4Lはトンネル式加熱炉４の床部、31a は
閉時の上部シール弁、31b は開時の上部シール弁、32a
は閉時の下部シール弁、32b は開時の下部シール弁、34
は容器密閉型廃棄物をトンネル式加熱炉４内の炭化領域
に装入する前の貯留室、35a は貯留室34内に貯留された
容器密閉型廃棄物、35b はトンネル式加熱炉４内の容器
密閉型廃棄物、35c は軟化、溶融中の容器密閉型廃棄物
を示し、その他の符号は図１、図５と同様の内容を示
す。In FIG. 2, 4U is the ceiling of the tunnel heating furnace 4, 4L is the floor of the tunnel heating furnace 4, 31a is the upper seal valve when closed, 31b is the upper seal valve when opened, 32a
Is the lower seal valve when closed, 32b is the lower seal valve when opened, 34
Is a storage chamber before charging the closed container waste into the carbonized area in the tunnel heating furnace 4, 35a is a container closed waste stored in the storage chamber 34, and 35b is a storage chamber in the tunnel heating furnace 4. Container-closed waste, 35c indicates a container-closed waste being softened and melted, and the other symbols indicate the same contents as in FIGS.
【００２４】本発明の廃棄物処理方法および廃棄物処理
設備（以下本発明と記す）においては、図１に示すよう
に、廃棄物投入口20から供給した廃棄物を、圧縮機１に
よって回分的（：バッチ的）に圧縮し、緊密な圧縮成型
物10a とする。次に、この圧縮成型物10a を、外部から
加熱された細長いトンネル式加熱炉４内へ押し込む。In the waste treatment method and the waste treatment equipment of the present invention (hereinafter referred to as the present invention), as shown in FIG. (: Batch-wise) to form a tight compression molded product 10a. Next, the compression molded product 10a is pushed into an elongated tunnel heating furnace 4 which is heated from the outside.
【００２５】トンネル式加熱炉４内の圧縮成型物は、加
熱によって先ず乾燥し、水分が分離する。次いで、さら
に昇温が進んで 600℃程度となって高温に保持される間
に、廃棄物中の有機物の熱分解、炭化が進んで体積が収
縮して、炭化生成物11i が形成される。The compression molded product in the tunnel type heating furnace 4 is first dried by heating, and water is separated. Next, while the temperature is further increased to about 600 ° C. and maintained at a high temperature, the thermal decomposition and carbonization of the organic matter in the waste are advanced, the volume is reduced, and the carbonized product 11 i is formed. .
【００２６】トンネル式加熱炉４内ではトンネル式加熱
炉４の入口４E から順次新しい圧縮成型物が押し込まれ
るため、収縮する炭化生成物はトンネル式加熱炉内の進
行方向において圧縮されていくが、上下方向からは力が
働かないため、自重により高さが縮小する。この高さ方
向の収縮による縮小の程度は、廃棄物投入口20から供給
される廃棄物の物性と含有水分量などに依存するが、通
常は10〜20％程度の縮小が生じる。[0026] for sequentially new compression molded product from the inlet 4 E of the tunnel type heating furnace 4 in a tunnel type heating furnace 4 is pressed, carbonized product of shrinkage will be compressed in the traveling direction of the tunnel-type heating furnace is Since no force acts in the vertical direction, the height is reduced by its own weight. The degree of the reduction due to the contraction in the height direction depends on the physical properties of the waste supplied from the waste input port 20, the amount of water contained, and the like, but usually a reduction of about 10 to 20% occurs.
【００２７】また、廃棄物供給側から高温反応器に向か
って、トンネル式加熱炉４の天井部4Uが高くなってい
る。このため、トンネル式加熱炉４の高温反応器５側の
末端近傍においては、トンネル式加熱炉の高さの10〜40
％程度の空間（：隙間Ｓ）が炭化生成物11i とトンネル
式加熱炉４の天井部4Uとの間に存在する。The ceiling 4U of the tunnel heating furnace 4 is higher from the waste supply side toward the high-temperature reactor. Therefore, near the end of the tunnel heating furnace 4 on the high-temperature reactor 5 side, the height of the tunnel heating furnace is 10 to 40.
% Of the space (: gap S) is present between the ceiling portion 4U carbide product 11 i and the tunnel type heating furnace 4.
【００２８】本発明においては、図１、図２に示すよう
に、この炭化生成物11i とトンネル式加熱炉４の天井部
4Uとの間の空間Ｓ部に、好ましくは、容器密閉型廃棄物
を供給する。容器密閉型廃棄物は、主として感染性医療
系廃棄物の処理において発生する。感染性医療系廃棄物
は、廃棄処理時に大気中への病原菌の飛散や、ハンドリ
ング時に作業者への感染といった危険性があるため、前
記したように、合成樹脂製の密閉容器に密閉収納して廃
棄され、この状態で輸送、焼却処理などが行われてい
る。[0028] In the present invention, FIG. 1, as shown in FIG. 2, the ceiling portion of the hydrocarbon product 11 i and the tunnel type heating furnace 4
The space S between 4U is preferably supplied with container-closed waste. Container-tight waste is mainly generated in the treatment of infectious medical waste. Infectious medical waste, because there is a risk of scattering of pathogenic bacteria into the atmosphere during disposal, and infection to workers during handling, as described above, sealed and stored in a synthetic resin hermetic container It is discarded and transported and incinerated in this state.
【００２９】密閉容器の大きさは種々のものが用いられ
ているが、ハンドリングの容易さなどから、0.25ｍφ×
0.4 ｍ程度の大きさの容器が用いられることが多い。本
発明においては、例えば合成樹脂製の密閉容器に収納さ
れた感染性医療廃棄物などの容器密閉型廃棄物を、図
１、図２に示す容器密閉型廃棄物の供給ホッパ33からト
ンネル式加熱炉４内の炭化領域4cへ装入する。Various sizes of closed containers are used. However, due to ease of handling, etc., 0.25 mφ ×
A container having a size of about 0.4 m is often used. In the present invention, for example, a closed container waste such as an infectious medical waste stored in a closed container made of a synthetic resin is transferred from a supply hopper 33 of the closed container waste shown in FIGS. It is charged into the carbonization region 4c in the furnace 4.
【００３０】容器密閉型廃棄物の装入装置30直下のトン
ネル式加熱炉４の内部温度は 600℃程度の高温となって
おり、また若干正圧となっているため、装入装置30には
ガスシールのためにシール機構が必要である。すなわ
ち、本発明においては、例えば、図２に示すように、容
器密閉型廃棄物の装入装置として、上部シール弁31、下
部シール弁32、上部シール弁31と下部シール弁32との間
に設けられた貯留室34を有する装入装置30を用いること
が好ましい。The internal temperature of the tunnel heating furnace 4 immediately below the container-type waste charging device 30 is as high as about 600 ° C. and slightly positive, so that the charging device 30 A sealing mechanism is required for gas sealing. That is, in the present invention, for example, as shown in FIG. 2, as a container-sealed waste charging apparatus, an upper seal valve 31, a lower seal valve 32, and a space between the upper seal valve 31 and the lower seal valve 32. It is preferable to use a charging device 30 having a storage chamber 34 provided.
【００３１】図２に示す装入装置においては、上部シー
ル弁31を開けて容器密閉型廃棄物を貯留室34へ収納し、
上部シール弁31を閉めた後、下部シール弁32を開けて容
器密閉型廃棄物35をトンネル式加熱炉４内へ落し込む。
なお、図２に示す装入装置においては、シール弁とし
て、両開きのスイングタイプの弁を用いたが、シール弁
の形式は、スルース弁、ボール弁、片開きのスイング弁
など、ある程度のガスシールが可能な弁であれば使用可
能であり、その形式は特に制限はされない。In the charging apparatus shown in FIG. 2, the upper seal valve 31 is opened to store the container-sealed waste in the storage chamber 34,
After the upper seal valve 31 is closed, the lower seal valve 32 is opened and the container-sealed waste 35 is dropped into the tunnel heating furnace 4.
In the charging device shown in FIG. 2, a double-opening swing type valve was used as the seal valve, but the type of the seal valve is a gas seal such as a sluice valve, a ball valve, and a single-opening swing valve. Any type of valve can be used, and its type is not particularly limited.
【００３２】また、この場合、シール弁の開閉検知を行
い、容器密閉型廃棄物の引っ掛かりによるシール不良を
検知することもできる。炭化領域4cにおいては、前記し
たように炭化生成物が収縮しトンネル式加熱炉４内の上
部に空間（：隙間）Ｓが形成されているため、容器密閉
型廃棄物はこの上部空間に装入され、 600℃程度の雰囲
気温度によって、容器を形成する合成樹脂は軟化、溶融
すると共に、内部の感染性医療廃棄物も乾燥、熱分解、
炭化する。In this case, it is also possible to detect opening / closing of the seal valve to detect a defective seal due to the catch of the container-sealed waste. In the carbonized region 4c, as described above, the carbonized product contracts and a space (gap) S is formed in the upper part of the tunnel type heating furnace 4, so that the container-closed waste is charged into this upper space. At an ambient temperature of about 600 ° C, the synthetic resin that forms the container softens and melts, while the infectious medical waste inside dries, thermally decomposes,
Carbonize.
【００３３】容器の軟化、溶融は、トンネル式加熱炉内
部で行われるため、装入装置からの感染性医療廃棄物の
飛散が防止することができる。トンネル式加熱炉内の上
部空間の大きさは廃棄物投入口20からトンネル式加熱炉
４内へ押し込まれる廃棄物の性状によって変化すること
が考えられる。しかし、容器全体がトンネル式加熱炉４
内の上部空間に入り込まない場合においても、トンネル
式加熱炉４内は 600℃程度の高温に維持されているた
め、容器の軟化、溶融と容器内部の廃棄物の乾燥、熱分
解、炭化が速やかに進んで、図２に図示したように、容
器密閉型廃棄物は溶融、自重などで潰れ、トンネル式加
熱炉４の上部空間内に収納される。Since the softening and melting of the container are carried out inside the tunnel type heating furnace, scattering of infectious medical waste from the charging device can be prevented. It is conceivable that the size of the upper space in the tunnel heating furnace changes depending on the properties of the waste pushed into the tunnel heating furnace 4 from the waste inlet 20. However, the entire vessel is a tunnel heating furnace 4
Even if it does not enter the upper space, the inside of the tunnel type heating furnace 4 is maintained at a high temperature of about 600 ° C., so that the softening and melting of the container and the drying, pyrolysis and carbonization of the waste inside the container are quick. Then, as shown in FIG. 2, the closed container waste is crushed by melting, own weight, etc., and stored in the upper space of the tunnel type heating furnace 4.
【００３４】また、トンネル式加熱炉内部の炭化生成物
11i は、順次、高温反応器５側へ押されて移動している
ので、軟化、溶融した密閉容器と内部の廃棄物は炭化生
成物11i に同伴されて高温反応器５内へ押し出され、高
温反応器５内における燃焼および不燃分の溶融によっ
て、完全に無害化することができる。次に、図３を参照
して、本発明の廃棄物処理設備における装入装置30の好
適な配設位置について述べる。Further, carbonized products inside the tunnel heating furnace
Since 11 i is sequentially pushed and moved to the high temperature reactor 5 side, the softened and melted closed container and the waste inside are pushed out into the high temperature reactor 5 along with the carbonized product 11 i. By the combustion and melting of the non-combustible components in the high-temperature reactor 5, it can be completely rendered harmless. Next, with reference to FIG. 3, a preferred arrangement position of the charging device 30 in the waste treatment equipment of the present invention will be described.
【００３５】なお、図３は、図１と同一の廃棄物処理設
備であり、図３において、ｌ、ｌ1、Ｏ、Ocは下記内容
を示す。 ｌ：横型トンネル式加熱炉４の入口４E から横型トンネ
ル式加熱炉４で得られた炭化生成物の高温反応器５内へ
の押出し口40迄の距離。 ｌ1 ：横型トンネル式加熱炉４の入口４E から容器密閉
型廃棄物装入口Ｏの開口部の中心Oc迄の距離。FIG. 3 shows the same waste treatment equipment as in FIG. 1. In FIG. 3, l, l 1 , O, and Oc indicate the following contents. l: distance to the extrusion port 40 from the inlet 4 E lateral tunnel type heating furnace 4 to a horizontal tunnel furnace 4 obtained carbonized product of the high temperature reactor 5. l 1 : distance from the entrance 4 E of the horizontal tunnel type heating furnace 4 to the center Oc of the opening of the container closed waste loading inlet O.
【００３６】Ｏ：下部シール弁32の下部に連接され容器
密閉型廃棄物を横型トンネル式加熱炉４内に装入するた
めの容器密閉型廃棄物装入口。 Oc：容器密閉型廃棄物装入口Ｏの開口部の中心。 第５の発明の廃棄物処理設備における装入装置30は、横
型トンネル式加熱炉４の入口４E から容器密閉型廃棄物
装入口Ｏの開口部の中心Oc迄の距離ｌ1 が下記式(1) を
満足するように配設することが好ましい。O: Container-closed waste loading port connected to the lower part of the lower seal valve 32 for charging the container-closed waste into the horizontal tunnel-type heating furnace 4. Oc: the center of the opening of the container closed waste loading inlet O. In the charging apparatus 30 in the waste treatment equipment of the fifth invention, the distance l 1 from the entrance 4 E of the horizontal tunnel type heating furnace 4 to the center Oc of the opening of the container-closed waste loading inlet O is represented by the following formula ( 1 ). It is preferable to arrange them so as to satisfy 1).
【００３７】ｌ＞ｌ1 ≧（１／２）×ｌ………(1) これは、上記した位置に容器密閉型廃棄物装入口Ｏの開
口部の中心Ocを配置することによって、容器密閉型廃棄
物装入口Ｏの直下に、炭化領域4cにおける空間Ｓが確実
に形成され、容器密閉型廃棄物を、常に、横型トンネル
式加熱炉内に装入することが可能となるためである。L> l 1 ≧ (1/2) × l (1) This is because the center Oc of the opening of the container-sealed waste loading port O is arranged at the above-mentioned position, so that the container is closed. This is because the space S in the carbonized region 4c is reliably formed immediately below the mold waste inlet O, and the container-closed waste can always be loaded into the horizontal tunnel heating furnace.
【００３８】以上、トンネル式加熱炉を用いた本発明の
廃棄物処理方法および廃棄物処理設備について詳述した
が、本発明は、廃棄物の炭化領域に空間Ｓが形成される
トンネル式加熱炉を用いた廃棄物処理全般に適用可能で
ある。さらに、本発明は、廃棄物の炭化領域の空間Ｓに
対応するトンネル式加熱炉の側壁に構造が簡単なシール
機能を有する装入装置を配設するのみで、廃棄物を、周
囲への飛散の恐れなく安全に、確実に処理可能なため、
廃棄物の形態、種類に制限されず、種々の廃棄物の処理
に適用可能である。Although the waste treatment method and the waste treatment equipment of the present invention using the tunnel heating furnace have been described in detail, the present invention relates to a tunnel heating furnace in which a space S is formed in a carbonized region of the waste. It can be applied to all waste treatment using. Furthermore, the present invention only disposes a charging device having a simple sealing function on the side wall of the tunnel type heating furnace corresponding to the space S in the carbonization region of the waste, and scatters the waste to the surroundings. Because it can be processed safely and securely without fear of
The present invention is not limited to the form and type of waste, and is applicable to various kinds of waste treatment.
【００３９】[0039]
【実施例】以下、本発明を実施例に基づいてさらに具体
的に説明する。 （参考例）前記した図１に示す廃棄物処理量が150t/d規
模の廃棄物処理設備を用いて、自動車、家電製品などを
破砕処理した時に発生するダスト（：シュレッダーダス
ト）の処理を行った。EXAMPLES The present invention will be described below more specifically based on examples. (Reference example) The dust (shredder dust) generated when crushing automobiles, home electric appliances, and the like is processed using the waste processing facility shown in FIG. 1 with a waste processing amount of 150 t / d scale. Was.
【００４０】なお、図１に示す廃棄物処理設備における
トンネル式加熱炉４の入口４E 内壁の断面形状は、幅：
2000mm、高さ：500mm の矩形であり、トンネル式加熱炉
４の入口４E 部には上方から圧縮支持盤３が挿入される
構成となっている。圧縮支持盤３を挿入した状態で廃棄
物投入口20から圧縮機１内に廃棄物を落し込んだ後、圧
縮用シリンダ２を1000t/m2の荷重で押し、廃棄物投入口
20下方の廃棄物を圧縮成型した。[0040] The cross-sectional shape of the inlet 4 E inner wall of a tunnel type heating furnace 4 in waste treatment equipment shown in FIG. 1, the width:
It is a rectangle having a size of 2000 mm and a height of 500 mm. The compression support plate 3 is inserted into the entrance 4 E of the tunnel heating furnace 4 from above. After the waste is dropped into the compressor 1 from the waste inlet 20 with the compression support board 3 inserted, the compression cylinder 2 is pushed with a load of 1000 t / m 2 , and the waste inlet is
The waste below 20 was compression molded.
【００４１】この結果、圧縮用シリンダ２と圧縮支持盤
３との間で、廃棄物は約１／10程度の容積にまで減容さ
れ圧縮成型物が得られた。得られた圧縮成型物の断面形
状はトンネル式加熱炉４の入口４E 内壁の断面形状と同
形、同一寸法である。圧縮後、圧縮支持盤３を上方へ抜
き出し、圧縮用シリンダ２をさらに押し込むことによっ
て、上記で得られた圧縮成型物10a をトンネル式加熱炉
４内へ押し込んだ。As a result, the volume of the waste between the compression cylinder 2 and the compression support plate 3 was reduced to about 1/10, and a compression molded product was obtained. Sectional shape of the obtained compression molded product is a cross-sectional shape and the same shape, the same size of inlet 4 E inner wall of a tunnel type heating furnace 4. After the compression, the compression support plate 3 was pulled out upward, and the compression cylinder 2 was further pushed in, whereby the compression molded product 10a obtained above was pushed into the tunnel heating furnace 4.
【００４２】トンネル式加熱炉４の入口４E から新規の
圧縮成型物を押し込むことによって、既にトンネル式加
熱炉４内に装入されている圧縮成型物は順次押し込まれ
てトンネル式加熱炉４内を滑りながら移動する。この場
合、圧縮成型物の断面とトンネル式加熱炉４の入口４E
の内壁断面とは同形、同一寸法であるため、トンネル式
加熱炉４内に押し込んだ時に圧縮成型物の外周とトンネ
ル式加熱炉４の内壁は密着した状態に保持される。By pushing in a new compression molded product from the entrance 4 E of the tunnel heating furnace 4, the compression molded products already loaded in the tunnel heating furnace 4 are sequentially pushed into the tunnel heating furnace 4, Move while sliding. In this case, the cross section of the compression molded product and the entrance 4 E of the tunnel heating furnace 4
Since the inner wall cross-section is the same shape and the same size, the outer periphery of the compression-molded product and the inner wall of the tunnel-type heating furnace 4 are kept in close contact with each other when pushed into the tunnel-type heating furnace 4.
【００４３】トンネル式加熱炉４は20ｍの長さを有し、
トンネル式加熱炉４の他端は高温反応器５に接続されて
いる。トンネル式加熱炉４内は、外部からガスヒーター
によって加熱し、内部を約 600℃に昇温した。この結
果、上記した圧縮成型物は、トンネル式加熱炉内を移動
しながら乾燥し、一部熱分解が進むと共に、最終的に、
有機物などの炭化物および鉱物、金属類などを含む炭化
生成物11n となる。The tunnel heating furnace 4 has a length of 20 m,
The other end of the tunnel heating furnace 4 is connected to a high temperature reactor 5. The inside of the tunnel heating furnace 4 was heated by a gas heater from the outside, and the inside was heated to about 600 ° C. As a result, the above-mentioned compression-molded product is dried while moving in a tunnel-type heating furnace, and partially thermally decomposed, and finally,
Carbides and minerals such as organic matter, a carbide product 11 n and the like metals.
【００４４】得られた炭化生成物11n は、トンネル式加
熱炉４の入口４E の圧縮成型物と比べて体積が収縮して
おり、トンネル式加熱炉の入口４E 側から圧力を受けな
がら移動するため、図１に示したように、トンネル式加
熱炉出口側の炭化領域4cにおいては上部に隙間Ｓが形成
されると共に、炭化生成物11n は高温反応器５内へ押し
出される。The resulting carbonized product 11 n is then volume shrinkage as compared with the compression molding of the inlet 4 E of the tunnel type heating furnace 4, while receiving pressure from the inlet 4 E side of the tunnel furnace As a result, as shown in FIG. 1, a gap S is formed in the upper part of the carbonized region 4 c on the exit side of the tunnel-type heating furnace, and the carbonized product 11 n is extruded into the high-temperature reactor 5.
【００４５】一方、トンネル式加熱炉４の入口４E 側に
おいては、前記したように、新規に装入される圧縮成型
物の外周とトンネル式加熱炉の内壁が密着しており、ま
た出口側では圧縮成型物の体積収縮によって上部に隙間
が形成されるため、圧縮成型物の乾燥、熱分解によって
トンネル式加熱炉内で発生した水蒸気およびガスは、ト
ンネル式加熱炉出口方向へ流れ、高温反応器５内へ流入
する。On the other hand, at the entrance 4E side of the tunnel-type heating furnace 4, as described above, the outer periphery of the newly inserted compression-molded product and the inner wall of the tunnel-type heating furnace are in close contact with each other. Since a gap is formed in the upper part due to the volume shrinkage of the compression-molded product, the steam and gas generated in the tunnel-type furnace due to drying and thermal decomposition of the compression-molded product flow toward the exit of the tunnel-type furnace, causing high-temperature reaction. It flows into the vessel 5.
【００４６】高温反応器５内にはトンネル式加熱炉４か
ら押し出された炭化生成物が堆積し、堆積物は、高温反
応器５下部の外周に設けられた酸素含有ガスの吹き込み
口13から吹き込まれる酸素含有ガス（：純酸素）によっ
て燃焼、熱分解し、この燃焼熱によって炉内雰囲気温度
は1200〜1350℃程度に維持され、上部のガス排出口50a
近傍も1000℃以上に保たれる。Carbonized products extruded from the tunnel heating furnace 4 are deposited in the high-temperature reactor 5, and the deposits are blown from an oxygen-containing gas blowing port 13 provided on the outer periphery of a lower portion of the high-temperature reactor 5. It is burned and pyrolyzed by the oxygen-containing gas (: pure oxygen), and the combustion heat keeps the atmosphere temperature in the furnace at about 1200 to 1350 ° C and the upper gas outlet 50a
The vicinity is also kept at 1000 ° C. or higher.
【００４７】燃焼、熱分解後の残渣（：不燃分）は炉下
部に蓄積するが、上記した燃焼熱によって溶融する。溶
融した残渣は、溶融物となって炉床に溜り、溶融物排出
口15H から排出される。炭化生成物を供給するトンネル
式加熱炉４と高温反応器５との接続部分における炭化生
成物の高温反応器５内への押出し口（：高温反応器５内
への炭化生成物の装入口）40の下端の高さＬL とガス排
出口50a の高さＬH との距離は10m であり、炭化生成物
の加熱、燃焼、熱分解で発生するガス、ダストは十分燃
焼、熱分解された。The residue after combustion and thermal decomposition (non-combustible component) accumulates in the lower part of the furnace, but is melted by the above-mentioned heat of combustion. The melted residue becomes a melt, accumulates in the hearth, and is discharged from the melt outlet 15H. Extrusion opening of the carbonized product into the high-temperature reactor 5 at the connection between the tunnel-type heating furnace 4 for supplying the carbonized product and the high-temperature reactor 5 (: inlet for charging the carbonized product into the high-temperature reactor 5) distance between the height L H of the lower end of the height L L and the gas discharge port 50a of 40 is 10 m, heating the carbonized product, combustion gas generated by thermal decomposition, dust enough combustion, pyrolyzed .
【００４８】（実施例）前記した図１に示す本発明の廃
棄物処理設備を用いて、感染性医療廃棄物を収納した合
成樹脂製密閉容器（：合成樹脂製容器密閉型廃棄物）の
処理を行った。トンネル式加熱炉４は20ｍの長さを有
し、合成樹脂製容器密閉型廃棄物の装入装置30は、トン
ネル式加熱炉４の上側側壁部かつトンネル式加熱炉４の
炭化生成物の押出し口40から５ｍ上流側に設置した。(Embodiment) Using a waste treatment facility of the present invention shown in FIG. 1 described above, treatment of a synthetic resin sealed container (synthetic resin container sealed waste) containing infectious medical waste. Was done. The tunnel-type heating furnace 4 has a length of 20 m, and the synthetic resin container-closed waste charging device 30 is provided for extruding the carbonized product of the tunnel-type heating furnace 4 and the upper side wall of the tunnel-type heating furnace 4. It was installed 5 m upstream from the mouth 40.
【００４９】すなわち、図３に示す距離ｌ1 を、ｌ1 ＝
（３／４）×ｌとした。装入装置30としては図２に示し
た装入装置を用い、両開きのスイング弁を２段に設置し
て、トンネル式加熱炉内と外部とのシールを行った。上
記した図１に示す本発明の廃棄物処理設備を用いて、製
鉄所で発生する事務所廃棄物、シュレッダーダストなど
を150t/dの規模で処理するのと併せて、合成樹脂製の密
閉容器に収納した医療廃棄物５t/d の処理を行った。[0049] That is, the distance l 1 shown in FIG. 3, l 1 =
(3/4) × 1. As the charging device 30, the charging device shown in FIG. 2 was used, and double swing valves were installed in two stages to seal the inside and outside of the tunnel type heating furnace. Using the waste treatment equipment of the present invention shown in FIG. 1 described above, office waste, shredder dust, etc. generated in steel works are treated at a scale of 150 t / d, and a closed container made of synthetic resin is used. 5 t / d of medical waste stored in the city was treated.
【００５０】合成樹脂製密閉容器は0.25ｍφ×0.4 ｍの
円筒形であり、重量はおおむね20kg／個である。上記し
た合成樹脂製容器密閉型廃棄物を、約10個／ｈの供給速
度で、装入装置30からトンネル式加熱炉４内に供給し
た。また、排ガス出口50で排ガス中のダストおよび排ガ
スをサンプリングし、排ガス中ダスト量、排ガス中メタ
ン濃度を測定、分析した。The closed container made of synthetic resin has a cylindrical shape of 0.25 mφ × 0.4 m and weighs approximately 20 kg / piece. The above-mentioned closed waste made of a synthetic resin container was supplied into the tunnel heating furnace 4 from the charging device 30 at a supply rate of about 10 pieces / h. Further, dust and exhaust gas in the exhaust gas were sampled at the exhaust gas outlet 50, and the amount of dust in the exhaust gas and the methane concentration in the exhaust gas were measured and analyzed.
【００５１】事務所廃棄物、シュレッダーダストのみの
処理を行った期間（比較期間）と本発明の実施期間とに
おける排ガス中のダスト量とメタンガス濃度の変化を図
４に示す。合成樹脂製容器密閉型廃棄物をトンネル式加
熱炉４内の炭化領域へ装入した本発明の実施期間におい
ても、排ガス中ダスト量〔：処理した廃棄物１ｔ当りの
ダスト発生量(kg)〕および排ガス中メタン濃度は、比較
期間とほとんど変化なく、合成樹脂製容器密閉型廃棄物
の処理を問題なく行うことができた。FIG. 4 shows changes in the amount of dust in the exhaust gas and the methane gas concentration during the period in which only office waste and shredder dust were treated (comparison period) and the period during which the present invention was implemented. Even in the implementation period of the present invention in which the synthetic resin container-type closed waste was charged into the carbonized region in the tunnel heating furnace 4, the amount of dust in the exhaust gas [: the amount of dust generated per ton of treated waste (kg)] The methane concentration in the exhaust gas was almost the same as that in the comparative period, and the treatment of closed waste made of a synthetic resin container could be performed without any problem.
【００５２】また、本実施例においては、炉下部の吹き
込み口14から酸素含有ガス（：純酸素）とプロパンガス
との混合ガスを吹き込むことによって、炉下部に蓄積し
た燃焼後の残渣の溶融を迅速に行うことができた。な
お、上記した実施例においては、横型トンネル式加熱炉
を用いた廃棄物処理方法および処理設備について述べた
が、前記したように、本発明は、廃棄物の炭化領域に空
間Ｓが形成されるトンネル式加熱炉を用いた廃棄物処理
全般に適用可能である。Further, in this embodiment, by blowing a mixed gas of an oxygen-containing gas (: pure oxygen) and propane gas from the blowing port 14 at the lower part of the furnace, the residue of the post-combustion residue accumulated at the lower part of the furnace is melted. Could be done quickly. In the above-described embodiment, the waste treatment method and the treatment equipment using the horizontal tunnel heating furnace have been described. However, as described above, in the present invention, the space S is formed in the carbonized region of the waste. It is applicable to general waste treatment using a tunnel heating furnace.
【００５３】[0053]
【発明の効果】本発明によれば、廃棄物を、周囲への飛
散の恐れなく安全に、確実に処理することが可能となっ
た。さらに、本発明によれば、合成樹脂製密閉容器など
の密閉容器に収納された感染性医療廃棄物などの容器密
閉型廃棄物を、内容物の飛散の恐れなく安全に、確実に
処理することが可能となり、廃棄物処理における安全、
衛生の向上に貢献でき、その社会的意義は大きい。According to the present invention, it is possible to safely and reliably dispose of waste without fear of scattering to the surroundings. Furthermore, according to the present invention, it is possible to safely and securely treat container-closed waste such as infectious medical waste stored in a sealed container such as a synthetic resin sealed container without fear of scattering of contents. Enables safety in waste disposal,
It can contribute to improving hygiene, and its social significance is great.
【図１】本発明の廃棄物処理設備の一例を示す側面図で
ある。FIG. 1 is a side view showing an example of a waste treatment facility of the present invention.
【図２】図１のＡ部部分拡大側面図である。FIG. 2 is an enlarged side view of a part A of FIG. 1;
【図３】本発明の廃棄物処理設備の一例を示す側面図で
ある。FIG. 3 is a side view showing an example of the waste treatment equipment of the present invention.
【図４】廃棄物処理時の排ガス中のダスト量と排ガス中
メタン濃度の変化を示すグラフである。FIG. 4 is a graph showing changes in the amount of dust in exhaust gas and the concentration of methane in exhaust gas during waste treatment.
【図５】従来技術の廃棄物処理設備を示す側面図であ
る。FIG. 5 is a side view showing a conventional waste treatment facility.
１ 廃棄物の圧縮機 ２ 圧縮用シリンダ ３ 圧縮支持盤 ４ トンネル式加熱炉（：横型トンネル式加熱炉） 4a 圧縮成型物の乾燥領域 4b 圧縮成型物の熱分解領域 4c 圧縮成型物の炭化領域 ４E トンネル式加熱炉の入口 4L トンネル式加熱炉の床部 4U トンネル式加熱炉の天井部 ５ 高温反応器 10a 、10i 圧縮成型物 11i 、11n 炭化した圧縮成型物（：炭化生成物） 12 炭化生成物と燃焼残渣の混合物 13 酸素含有ガスの吹き込み口 14 酸素含有ガスと可燃性ガスとの混合ガスの吹き込み
口 15 溶融物 15H 溶融物排出口 20 廃棄物投入口 21 廃棄物投入口の蓋 30 容器密閉型廃棄物の装入装置 31 上部シール弁 31a 閉時の上部シール弁 31b 開時の上部シール弁 32 下部シール弁 32a 閉時の下部シール弁 32b 開時の下部シール弁 33 容器密閉型廃棄物の供給ホッパ 34 貯留室 35a 貯留室内に貯留された容器密閉型廃棄物 35b トンネル式加熱炉内の容器密閉型廃棄物 35c 軟化、溶融中の容器密閉型廃棄物 40 炭化生成物の高温反応器５内への押出し口（：高温
反応器内への炭化生成物の装入口） 50 高温反応器の排ガス出口 50a 高温反応器のガス排出口 ｆ1 圧縮成型物の移動方向 ｆ2 炭化生成物の移動方向 ｆ3 トンネル式加熱炉内で生成した熱分解ガスの流れ
方向 ｆ4 高温反応器内への酸素含有ガスの吹き込み方向 ｆ5 高温反応器内への酸素含有ガスと可燃性ガスとの
混合ガスの吹き込み方向 ｆ6 圧縮用シリンダの移動方向 ｆ7 圧縮支持盤の移動方向 ｆ8 廃棄物投入口の蓋の回転方向 ＬL 炭化生成物の高温反応器内への押出し口の下端の
高さ ＬH 高温反応器のガス排出口の高さ ｌ 横型トンネル式加熱炉４の入口４E から横型トンネ
ル式加熱炉４で得られた炭化生成物の高温反応器５内へ
の押出し口40迄の距離 ｌ1 横型トンネル式加熱炉４の入口４E から容器密閉
型廃棄物装入口Ｏの開口部の中心Oc迄の距離 Ｏ 容器密閉型廃棄物装入口 Oc 容器密閉型廃棄物装入口の開口部の中心 Ｓ 空間（：隙間）DESCRIPTION OF SYMBOLS 1 Compressor of waste 2 Cylinder for compression 3 Compression support board 4 Tunnel type heating furnace (: Horizontal tunnel type heating furnace) 4a Drying area of compression molding 4b Thermal decomposition area of compression molding 4c Carbonization area of compression molding 4 E tunnel furnace inlet 4L tunnel furnace floor 4U tunnel furnace ceiling 5 hot reactor 10a, 10i compression molded product 11 i, 11 n compression molded product was carbonized (: carbonized product) 12 Mixture of carbonized product and combustion residue 13 Injection port of oxygen-containing gas 14 Injection port of mixed gas of oxygen-containing gas and flammable gas 15 Melt 15H Melt outlet 20 Waste inlet 21 Cover for waste inlet 30 Container sealed waste charging device 31 Upper seal valve 31a Upper seal valve when closed 31b Upper seal valve when opened 32 Lower seal valve 32a Lower seal valve when closed 32b Lower seal valve when opened 33 Container sealed type Waste supply hopper 34 Storage room 35a Container-closing waste 35b stored in a retaining room 35b Container-closing waste in a tunnel-type heating furnace 35c Container-closing waste being softened and melted 40 Extrusion of carbonized product into the high-temperature reactor 5 (: Inlet of carbonized product into high-temperature reactor) 50 Exhaust gas outlet of high-temperature reactor 50a Gas outlet of high-temperature reactor f 1 Moving direction of compression molded product f 2 Moving direction of carbonized product f 3 Tunnel heating furnace Flow direction of the pyrolysis gas generated in the chamber f 4 Direction of blowing oxygen-containing gas into the high-temperature reactor f 5 Direction of blowing mixed gas of oxygen-containing gas and flammable gas into the high-temperature reactor f 6 For compression movement of the cylinder direction f 7 compression support plate in the direction of movement f 8 wastes inlet in the lid rotating direction L L extrusion port at the lower end of the height L H high temperature reactor of the gas discharge into the carbonization product of the high temperature reactor of Outlet height l Horizontal ton from inlet 4 E of horizontal tunnel type heating furnace 4 Distance of the carbonized product obtained in the heating furnace 4 to the high-temperature reactor 5 to the extrusion port 40 l 1 Opening from the inlet 4 E of the horizontal tunnel heating furnace 4 to the inlet O of the closed container type waste loading port O To the center Oc of the container O Container closed type waste loading entrance Oc Center of the closed container type waste loading opening S center space (: gap)
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｆ２３Ｇ 5/14 ＺＡＢ Ｆ２３Ｇ 5/14 ＺＡＢＤ 5/44 ＺＡＢ 5/44 ＺＡＢＢ (72)発明者 三好 史洋 東京都千代田区内幸町２丁目２番３号 川 崎製鉄株式会社内 (72)発明者 福井 雅康 東京都千代田区内幸町２丁目２番３号 川 崎製鉄株式会社内──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI F23G 5/14 ZAB F23G 5/14 ZABD 5/44 ZAB 5/44 ZABB (72) Inventor Fumihiro Miyoshi 2-chome Uchisaiwaicho, Chiyoda-ku, Tokyo No. 2-3 Kawasaki Steel Corporation (72) Inventor Masayasu Fukui 2-3-2 Uchisaiwaicho, Chiyoda-ku, Tokyo Kawasaki Steel Corporation
Claims (5)
と、得られた圧縮成型物を、トンネル式加熱炉内に装入
し、乾燥、熱分解、炭化する工程と、得られた炭化生成
物を、高温反応器内に装入し、燃焼し、不燃分を溶融す
る工程を有する廃棄物処理方法において、前記廃棄物と
は別個に、廃棄物を、前記トンネル式加熱炉内の炭化領
域に直接装入することを特徴とする廃棄物処理方法。1. A step of batch-pressing and compressing waste, a step of charging the obtained compression-molded product into a tunnel-type heating furnace, and drying, pyrolyzing and carbonizing the obtained waste. In a waste treatment method having a step of charging a carbonized product into a high-temperature reactor, burning and melting non-combustible components, separately from the waste, the waste is separated into the tunnel-type heating furnace. A waste treatment method characterized by directly charging a carbonized area.
と、得られた圧縮成型物を、トンネル式加熱炉内に装入
し、乾燥、熱分解、炭化する工程と、得られた炭化生成
物を、高温反応器内に装入し、燃焼し、不燃分を溶融す
る工程を有する廃棄物処理方法において、容器密閉型廃
棄物を、前記トンネル式加熱炉内の炭化領域に直接装入
することを特徴とする廃棄物処理方法。2. A step of batch-wise pressurizing and compressing the waste, a step of charging the obtained compression-molded product into a tunnel-type heating furnace, and drying, pyrolyzing and carbonizing the waste. In a waste treatment method including a step of charging a carbonized product into a high-temperature reactor, burning the molten product, and melting non-combustible components, a container-closed waste is directly loaded into a carbonized region in the tunnel heating furnace. Waste disposal method.
(1) と、該圧縮機(1) で得られた圧縮成型物を乾燥、熱
分解、炭化するためのトンネル式加熱炉(4)と、該トン
ネル式加熱炉(4) で得られた炭化生成物を燃焼し、不燃
分を溶融するための高温反応器(5) を有する廃棄物処理
設備において、前記トンネル式加熱炉(4) の炭化領域(4
C)における側壁に、廃棄物を前記トンネル式加熱炉(4)
内に装入するための装入装置(30)を設けたことを特徴と
する廃棄物処理設備。3. A compressor for pressurizing and compressing waste in batches.
(1), a tunnel heating furnace (4) for drying, pyrolyzing, and carbonizing the compression molded product obtained by the compressor (1); and a carbonization furnace obtained by the tunnel heating furnace (4). In a waste treatment facility having a high-temperature reactor (5) for burning products and melting incombustibles, a carbonization zone (4) of the tunnel heating furnace (4) is used.
On the side wall in (C), the waste is passed through the tunnel heating furnace (4).
A waste treatment facility comprising a charging device (30) for charging the inside.
(1) と、該圧縮機(1) で得られた圧縮成型物を乾燥、熱
分解、炭化するための横型トンネル式加熱炉(4) と、該
横型トンネル式加熱炉(4) で得られた炭化生成物を燃焼
し、不燃分を溶融するための高温反応器(5) を有する廃
棄物処理設備において、前記横型トンネル式加熱炉(4)
の炭化領域(4C)における上側側壁に、容器密閉型廃棄物
を前記横型トンネル式加熱炉(4) 内に装入するための装
入装置(30)を設けたことを特徴とする廃棄物処理設備。4. A compressor for pressurizing and compressing waste batchwise.
(1), a horizontal tunnel heating furnace (4) for drying, pyrolyzing and carbonizing the compression molded product obtained by the compressor (1); and a horizontal tunnel heating furnace (4) obtained by the horizontal tunnel heating furnace (4). In a waste treatment facility having a high-temperature reactor (5) for burning carbonized products and melting incombustibles, the horizontal tunnel heating furnace (4)
Waste treatment, characterized in that a charging device (30) for charging container-closed waste into the horizontal tunnel heating furnace (4) is provided on an upper side wall in the carbonized region (4C). Facility.
(1) と、該圧縮機(1) で得られた圧縮成型物を乾燥、熱
分解、炭化するための横型トンネル式加熱炉(4) と、該
横型トンネル式加熱炉(4) で得られた炭化生成物を燃焼
し、不燃分を溶融するための高温反応器(5) を有する廃
棄物処理設備において、前記横型トンネル式加熱炉(4)
の上側側壁に、容器密閉型廃棄物を前記横型トンネル式
加熱炉(4) 内に装入するための装入装置(30)を有し、該
装入装置(30)が、前記容器密閉型廃棄物の供給ホッパ(3
3)と、該供給ホッパ(33)の下部に設けられた上部シール
弁(31)と、該上部シール弁(31)の下部に連接された貯留
室(34)と、該貯留室(34)の下部に設けられた下部シール
弁(32)と、該下部シール弁(32)の下部に連接され前記容
器密閉型廃棄物を前記横型トンネル式加熱炉(4) 内に装
入するための容器密閉型廃棄物装入口(O) とから構成さ
れると共に、前記横型トンネル式加熱炉(4) の入口
(4E ) から前記容器密閉型廃棄物装入口(O) の開口部の
中心(Oc)迄の距離ｌ1 が下記式(1) を満足することを特
徴とする廃棄物処理設備。 記 ｌ＞ｌ1 ≧（１／２）×ｌ………(1) ここで、ｌ1 は前記横型トンネル式加熱炉(4) の入口(4
E ) から前記容器密閉型廃棄物装入口(O) の開口部の中
心(Oc)迄の距離、ｌは前記横型トンネル式加熱炉(4) の
入口(4E ) から前記横型トンネル式加熱炉(4) で得られ
た炭化生成物の前記高温反応器(5) 内への押出し口(40)
迄の距離を示す。5. A compressor for pressurizing and compressing waste batchwise.
(1), a horizontal tunnel heating furnace (4) for drying, pyrolyzing and carbonizing the compression molded product obtained by the compressor (1); and a horizontal tunnel heating furnace (4) obtained by the horizontal tunnel heating furnace (4). In a waste treatment facility having a high-temperature reactor (5) for burning carbonized products and melting incombustibles, the horizontal tunnel heating furnace (4)
A charging device (30) for charging container-closed waste into the horizontal tunnel heating furnace (4), the charging device (30) being provided on the upper side wall of the container-closed type Waste supply hopper (3
3), an upper seal valve (31) provided below the supply hopper (33), a storage chamber (34) connected to a lower part of the upper seal valve (31), and the storage chamber (34). A lower seal valve (32) provided at a lower portion of the container, and a container connected to the lower portion of the lower seal valve (32) for charging the container-closed waste into the horizontal tunnel-type heating furnace (4). And an inlet for the horizontal tunnel heating furnace (4).
A waste treatment facility wherein the distance l 1 from (4 E ) to the center (Oc) of the opening of the container-sealed waste inlet (O) satisfies the following expression (1). Note that l> l 1 ≧ (1/2) × l (1) where l 1 is the inlet (4) of the horizontal tunnel heating furnace (4).
Distance from E) to the center (Oc) of the opening of the container sealed waste MonoSo inlet (O), said horizontal tunnel furnace from an inlet (4 E) of l is the horizontal tunnel furnace (4) Extrusion port (40) of the carbonized product obtained in (4) into the high-temperature reactor (5)
Indicates the distance to
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03433498A JP3788012B2 (en) | 1998-01-31 | 1998-01-31 | Waste disposal method and waste disposal facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03433498A JP3788012B2 (en) | 1998-01-31 | 1998-01-31 | Waste disposal method and waste disposal facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11218313A true JPH11218313A (en) | 1999-08-10 |
| JP3788012B2 JP3788012B2 (en) | 2006-06-21 |
Family
ID=12411253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03433498A Expired - Fee Related JP3788012B2 (en) | 1998-01-31 | 1998-01-31 | Waste disposal method and waste disposal facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3788012B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223526A (en) * | 2009-03-25 | 2010-10-07 | Jfe Engineering Corp | Waste disposal device and waste disposal method |
| JP2012081421A (en) * | 2010-10-12 | 2012-04-26 | Jfe Engineering Corp | Method and apparatus for hazardous waste disposal |
| JP2013088102A (en) * | 2011-10-21 | 2013-05-13 | Jfe Engineering Corp | Fluorine-containing waste treatment method, and fluorine-containing waste treatment apparatus |
| CN112664939A (en) * | 2020-12-22 | 2021-04-16 | 华中科技大学 | Gas-temperature-heat linkage control garbage treatment method |
| JP2021063614A (en) * | 2019-10-15 | 2021-04-22 | 日立造船株式会社 | Stoker type incinerator |
-
1998
- 1998-01-31 JP JP03433498A patent/JP3788012B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010223526A (en) * | 2009-03-25 | 2010-10-07 | Jfe Engineering Corp | Waste disposal device and waste disposal method |
| JP2012081421A (en) * | 2010-10-12 | 2012-04-26 | Jfe Engineering Corp | Method and apparatus for hazardous waste disposal |
| JP2013088102A (en) * | 2011-10-21 | 2013-05-13 | Jfe Engineering Corp | Fluorine-containing waste treatment method, and fluorine-containing waste treatment apparatus |
| JP2021063614A (en) * | 2019-10-15 | 2021-04-22 | 日立造船株式会社 | Stoker type incinerator |
| CN112664939A (en) * | 2020-12-22 | 2021-04-16 | 华中科技大学 | Gas-temperature-heat linkage control garbage treatment method |
| CN112664939B (en) * | 2020-12-22 | 2022-06-07 | 华中科技大学 | Gas-temperature-heat linkage control garbage treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3788012B2 (en) | 2006-06-21 |
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