JP2003205281A - Continuous detoxifying treatment of waste containing organic chlorine compound, recycling method thereof and apparatus therefor - Google Patents
Continuous detoxifying treatment of waste containing organic chlorine compound, recycling method thereof and apparatus thereforInfo
- Publication number
- JP2003205281A JP2003205281A JP2002007292A JP2002007292A JP2003205281A JP 2003205281 A JP2003205281 A JP 2003205281A JP 2002007292 A JP2002007292 A JP 2002007292A JP 2002007292 A JP2002007292 A JP 2002007292A JP 2003205281 A JP2003205281 A JP 2003205281A
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- Japan
- Prior art keywords
- heating
- waste
- unit
- components
- separated
- Prior art date
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Landscapes
- Coke Industry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は、加熱分解処理によ
って廃棄物中の有機塩素系化合物から塩素を分離させて
無害化処理すると同時に炭素成分を含む有機物を炭化し
て工業用炭素素材を連続して製造し、かつその他の加熱
分解生成物を分別分離し資源として再利用するようにし
た方法およびその装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention separates chlorine from an organochlorine compound in waste by heat decomposition treatment to detoxify the same and at the same time carbonizes an organic matter containing a carbon component to continuously produce an industrial carbon material. The present invention relates to a method and an apparatus for producing the same, and separating and separating other heat decomposition products for reuse as resources.
【０００２】[0002]
【従来の技術および発明の解決すべき課題】有機塩素系
化合物（主としてDDT、アルドリン、ディルドリン、エ
ンドリン、クロルディン、ヘプタクロル、PCBなどの薬
品）等は従来一般廃棄物や産業廃棄物に混在した形態の
ままで焼却や埋立て処分がなされていた。しかし、生体
に蓄積されやすい有害物質(残留性有機汚染物質)が世界
的に規制される動きとなり、2001年5月にはPCB(ポリ塩
化ビフェニール)やダイオキシン類など12の残留性有機
汚染物質の使用・生産・排出を規制するストックホルム
条約が採択され、日本でもその使用・生産・排出が規制
されることになり、現在、無害化対策としては薬剤によ
る化学処理これら有機塩素系化合物(主として農薬)を安
全に無害化処理する技術の確立が急がれている。たとえ
ばDDT、アルドリンなど1970年前後に販売中止となった
有機塩素系農薬は農水省の調査で現在判明しただけで
も、31道府県の174か所、計約3,680トンも地中に埋めら
れており、これらの無害化処理対策が緊急の課題となっ
ている。2. Description of the Related Art Organochlorine compounds (mainly chemicals such as DDT, aldrin, dieldrin, endrin, chlordine, heptachlor, and PCB) are conventionally mixed in general waste or industrial waste. Until now, it was incinerated and landfilled. However, harmful substances (persistent organic pollutants) that are likely to accumulate in the living body have become a worldwide regulation trend, and in May 2001, 12 persistent organic pollutants such as PCB (polychlorinated biphenyl) and dioxins were released. The Stockholm Convention, which regulates the use, production, and emission, was adopted, and its use, production, and emission were also regulated in Japan.Currently, as a detoxification measure, chemical treatment with chemicals These organochlorine compounds (mainly pesticides) There is an urgent need to establish a technology for safely detoxifying waste. For example, DDT, aldrin, and other organochlorine pesticides whose sales were discontinued around 1970 were found in a survey by the Ministry of Agriculture and Fisheries, but 174 locations in 31 prefectures, totaling about 3,680 tons, are buried in the ground. The detoxification treatment measure of is an urgent issue.
【０００３】産業廃棄部物や一般廃棄物は通常前記有機
化合物等の他たとえば廃タイヤ等のように金属やイオウ
等多様な組成成分を含んでおり、それらの効果的な処理
のためには煩雑な前処理を必要とする。またこれらを一
括して焼却処理する場合には、ダイオキシン、酸化窒
素、酸化イオウ等の有害ガスや地球温暖化防止のため排
出量が規制されている二酸化炭素を大量に発生するおそ
れがある。また焼却灰中に酸化金属として含まれる金属
成分は品質が低く金属資源として再利用するためには精
製のために大きなコストを必要とする。Industrial waste parts and general waste usually contain various composition components such as metals and sulfur such as waste tires in addition to the above-mentioned organic compounds and the like, which is complicated for effective treatment thereof. Pretreatment is required. Further, when these are incinerated collectively, there is a possibility that a large amount of harmful gases such as dioxins, nitric oxide, and sulfur oxides and carbon dioxide whose emission is regulated to prevent global warming are generated. Further, the metal component contained in the incinerated ash as a metal oxide is of low quality and requires a large cost for refining so as to be reused as a metal resource.
【０００４】本発明はこのような多様な成分の混在する
廃棄物を特別な分別処理を必要とせずに一括的に連続し
て処理し、有害なガスや二酸化炭素を発生するこがとな
くかつ原料成分由来の低分子量生成物、工業用材料とし
ての炭化物および金属資源として利用しやすい金属成分
を容易にかつ効果的に分離回収することのできる廃棄物
の無害化処理および炭素素材の製造方法および装置を提
供することを課題とする。According to the present invention, such wastes containing various components are continuously processed in a batch without any special separation treatment, and no harmful gas or carbon dioxide is generated. Low-molecular-weight products derived from raw material components, carbides as industrial materials, and metal components that are easy to utilize as metal resources can be easily and effectively separated and recovered, and a method for detoxifying waste and a method for producing a carbon material, and An object is to provide a device.
【０００５】[0005]
【課題を解決するための手段】前記本発明の課題は有機
塩素系化合物を含む廃棄物を窒素雰囲気下において連続
的に加熱分解処理して塩素成分を除去しかつ有用成分を
再利用のため回収する方法において、前記加熱を互いに
温度が異なる複数の加熱領域において順次連続的に行な
い、廃棄物中の各組成成分を夫々に対応する温度の加熱
領域において加熱により順次分解して分離回収する廃棄
物の無害化処理および再資源化方法によって解決され
る。The object of the present invention is to continuously decompose and decompose waste containing an organic chlorine compound in a nitrogen atmosphere to remove chlorine components and recover useful components for reuse. In the method described above, the heating is carried out successively in a plurality of heating regions having different temperatures, and the constituent components in the waste are sequentially decomposed by heating in the heating regions corresponding to the respective wastes to be separated and recovered. It is solved by the detoxification treatment method and the recycling method.
【０００６】前記本発明の方法は、有機塩素系化合物を
含む廃棄物を窒素雰囲気下において連続的に加熱分解処
理して塩素成分を除去しかつ有用成分を再利用のため回
収する装置において、前記装置が廃棄物に予備処理を施
して供給する供給部と、互いに温度が異なる複数の加熱
室を相互に隔離して連続的に配置してなる加熱部と、前
記加熱部の複数の加熱室中で被加熱物を夫々搬送するた
めに加熱室毎に設けられた搬送装置と、分離回収された
各成分を分別分離する分別部と、前記被処理物から分離
された成分の冷却のために各分別部に設けられた熱交換
器を含む冷却部と、前記各加熱室における加熱処理を最
適に連続制御する制御部とを備えている廃棄物の無害化
処理および再資源化装置によって実施することができ
る。In the method of the present invention, the waste containing the organochlorine compound is continuously heated and decomposed in a nitrogen atmosphere to remove chlorine components and recover useful components for reuse. A supply unit for supplying pre-processed waste to the waste by the device, a heating unit in which a plurality of heating chambers having different temperatures are isolated from each other and arranged continuously, and a plurality of heating chambers in the heating unit. In each of the heating chambers for transporting the object to be heated, a separation unit that separates and separates the separated and recovered components, and each for cooling the components separated from the object to be processed. A detoxification process and a resource recycling device for waste, which includes a cooling unit including a heat exchanger provided in the separation unit and a control unit that optimally and continuously controls the heating process in each heating chamber. You can
【０００７】[0007]
【発明の実施の形態】本発明においては、処理対象とす
る廃棄物を相互に区分した加熱温度の異なる連続した複
数の加熱室に対して一括して連続的に送入し、これら各
加熱室を通過する都度廃棄物の組成中のその加熱分解温
度に対応する成分が順次分解し、たとえば有機塩素系化
合物の塩素成分をＣｌ２として取出し（ＨＣｌとして回
収）、高分子化合物を夫々対応する加熱分解温度毎に低
分子量化物として分離し、また炭素成分については炭化
物として回収する。この場合、塩素、イオウ等の有害ガ
スは比較的低温での無酸素状態で加熱分解により回収さ
れるのでＣＯ２の発生がなく有害ガスの発生はなく、ま
た加熱は全工程を通して窒素雰囲気下で行われるので炭
化物の効率が向上しかつ廃棄物中に金属成分が含まれて
いる場合でも再利用しやすい形態で金属材料が回収され
る。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, the wastes to be treated are continuously and collectively fed into a plurality of continuous heating chambers having different heating temperatures which are divided from each other. Whenever it passes through, the components corresponding to its thermal decomposition temperature in the composition of the waste are sequentially decomposed, for example, the chlorine component of the organochlorine compound is taken out as Cl 2 (recovered as HCl), and the polymer compound is heated by the corresponding heating. It is separated as a low molecular weight compound at each decomposition temperature, and the carbon component is recovered as a carbide. In this case, harmful gases such as chlorine and sulfur are recovered by thermal decomposition in an oxygen-free state at a relatively low temperature, so no CO 2 is generated and no harmful gases are generated. Since it is carried out, the efficiency of the carbide is improved, and even if the waste contains a metal component, the metal material is recovered in a form that can be easily reused.
【０００８】本発明の装置は前記のように原料としての
供給部と、加熱分解部と分解生成物の分離回収部と、回
収のための熱交換器を含む冷却部と、加熱分解部の複数
の加熱室等を通して原料を順次連続的に搬送する搬送部
と、これら各部の動作を制御する制御部とからなる。As described above, the apparatus of the present invention comprises a plurality of a feed section as a raw material, a heating decomposition section and a separation and recovery section for decomposition products, a cooling section including a heat exchanger for recovery, and a thermal decomposition section. And a control section for controlling the operation of each of these sections.
【０００９】供給部では処理しようとする原料としての
廃棄物の形態に応じて、それらを本装置での処理に適合
しやすくするために、液状の形態であれば繊維質の固体
担体である布や紙に含浸させ又は比較的大きな形状の固
体物であれば破砕、圧砕等の前処理を施す。この供給部
には定量補給、定時供給などの設備を設けてもよい。According to the form of waste as a raw material to be treated in the supply section, in order to make them easily compatible with the treatment in this apparatus, a cloth which is a fibrous solid carrier in the liquid form is used. Or impregnate paper with it, or if it is a solid material with a relatively large shape, it is subjected to pretreatment such as crushing and crushing. The supply unit may be provided with equipment such as fixed quantity supply and regular supply.
【００１０】前記加熱部は加熱温度が互いに異なる１５
０℃〜９００℃の範囲の複数の加熱室からなり、これら
加熱室はたとえば供給される廃棄物から予め水分を蒸発
させるための１３０℃〜１５０℃の予備加熱室と有機塩
素系化合物からの分解により塩素ガス等を発生させる３
００℃〜３５０℃の加熱室と、主として高分子化合物を
分解して炭化する４００℃〜９００℃、好ましくは４０
０℃〜４５０℃の加熱室（炭化室）とからなる。加熱室
は分解分離して生成される低分子量化合物等の種類によ
り任意の数で設けられる。The heating parts have different heating temperatures from each other.
It comprises a plurality of heating chambers in the range of 0 ° C to 900 ° C. These heating chambers are, for example, a 130 ° C to 150 ° C preheating chamber for preliminarily evaporating water from the supplied waste, and decomposition from organic chlorine compounds. Generates chlorine gas, etc. by 3
A heating chamber of 00 ° C to 350 ° C and 400 ° C to 900 ° C, preferably 40, which decomposes and carbonizes the polymer compound.
It consists of a heating chamber (carbonization chamber) at 0 ° C to 450 ° C. The heating chamber is provided in an arbitrary number depending on the type of low molecular weight compound or the like produced by decomposition and separation.
【００１１】搬送装置は互いに隔離および密閉して設け
られる前記夫々の加熱室に処理物を搬送するため各室毎
に独立して設けられ廃棄物を一括してかつ連続的に搬送
するようになされている。The transfer device is provided independently for each chamber in order to transfer the processed products to the respective heating chambers that are isolated and sealed from each other, and is configured to transfer the wastes collectively and continuously. ing.
【００１２】各加熱室には夫々の加熱温度で分解生成さ
れる生成物を分離して取出す分離および冷却部が付設さ
れ、たとえば生成される塩素ガス、液状の低分子量化合
物および炭化物を冷却して夫々分別分離して回収するよ
うになされている。冷却のためには、たとえば熱交換器
が用いられ、熱交換によって加熱された冷媒は低温の予
備加熱室の熱源としてあるいは大型の処理装置のために
は発電用の蒸気発生源として用いてもよい。Each heating chamber is provided with a separation and cooling section for separating and taking out products decomposed and produced at respective heating temperatures, for example, by cooling generated chlorine gas, liquid low molecular weight compounds and carbides. Each is separated and collected. For cooling, for example, a heat exchanger is used, and the refrigerant heated by the heat exchange may be used as a heat source of a low temperature preheating chamber or a steam generating source for power generation for a large processing apparatus. .
【００１３】制御部では、各加熱室内の窒素ガス補給
量、温度、加熱時間、圧力、原料輸送時間などを制御す
る。制御部は送入される廃棄物の内容や処理の目的など
にしたがい窒素雰囲気下において無害化処理および炭素
素材の製造が滞りなく円滑に進行するためのコンピュー
タ管理システムとして設けられる。The control unit controls the amount of nitrogen gas replenished in each heating chamber, the temperature, the heating time, the pressure, the raw material transportation time, and the like. The control unit is provided as a computer management system for smoothly performing the detoxification process and the production of the carbon material in the nitrogen atmosphere according to the content of the waste to be sent and the purpose of the process, without delay.
【００１４】たとえば処理対象としての廃棄物が無害化
処理を必要とする有機塩素系化合物を含む場合には、加
熱室での効率を高めるために、廃棄物を予め供給部の予
備加熱室で約１５０℃に加熱して水分を蒸発させてから
加熱部の最初の加熱室に導入する。被処理物は加熱室内
で３５０℃に加熱されて分解し塩素成分が塩素ガスとし
て発生する。この塩素ガスは水溶液中で処理されて塩酸
となり最終処分に付される。またこの室内では前記加熱
温度で分解する化合物が液状物として生成されそれらの
性状に応じて燃料油の原料などとして回収され又は最終
処分に付される。この処理工程は無酸素雰囲気で行われ
て塩素が分離回収されるので有害物質であるダイオキシ
ンの発生がない。For example, when the waste to be treated contains an organochlorine compound that requires detoxification treatment, the waste is preliminarily stored in the preheating chamber of the supply unit in order to improve the efficiency in the heating chamber. It is heated to 150 ° C. to evaporate water and then introduced into the first heating chamber of the heating section. The object to be treated is heated to 350 ° C. in the heating chamber and decomposed to generate a chlorine component as chlorine gas. This chlorine gas is treated in an aqueous solution to turn into hydrochloric acid for final disposal. Further, in this chamber, compounds that decompose at the heating temperature are produced as a liquid substance, and are recovered as a raw material of fuel oil or subjected to final disposal depending on their properties. This treatment step is performed in an oxygen-free atmosphere, and chlorine is separated and recovered, so that no harmful substance, dioxin, is generated.
【００１５】処理対象がゴム系の高分子化合物の他、金
属類やイオウ化合物を含む廃タイヤの場合は、廃棄物を
供給部で予め所定の形態に破砕／細断して加熱部に導入
する。前段の加熱室では前記と同様な加熱分解によって
廃タイヤの組成物中のイオウなどがガス化されて除去さ
れかつ分解温度の比較的低い高分子化合物が低分子量化
されて夫々分別回収される。いずれの場合も処理後の生
成物は次段の加熱室（炭化室）に送られ、ここで約４５
０℃の温度に加熱されることにより化合物の炭素鎮、炭
素環がくずれて炭化物が生成される。In the case of a waste tire containing a metal compound or a sulfur compound in addition to a rubber-type polymer compound, the waste is crushed / shredded into a predetermined shape in the supply unit and introduced into the heating unit. . In the former heating chamber, sulfur and the like in the composition of the waste tire are gasified and removed by the same thermal decomposition as described above, and the polymer compound having a relatively low decomposition temperature is reduced in molecular weight and separately collected. In either case, the treated product is sent to the next heating chamber (carbonization chamber) where about 45
When heated to a temperature of 0 ° C., carbon compounds and carbon rings of the compound collapse, and carbides are produced.
【００１６】ここでの炭化処理は酸素を存在させない窒
素雰囲気下で行われるので分解された炭素成分によるＣ
Ｏ２は全く発生しない。炭化物は４００℃以下でも生成
するが、得られる炭化物の炭素材料としての品位が低下
する。４５０℃以上の温度では炭素含有分は増大する
が、処理のエネルギーコストが著しく増大し収率も低下
する。したがって炭化温度は得られる炭化物の使用目的
などを考慮して４００〜９００℃の温度範囲から適宜に
選択される。Since the carbonization process here is carried out in a nitrogen atmosphere in which oxygen is not present, C due to the decomposed carbon component.
No O 2 is generated. Carbide is generated even at 400 ° C. or lower, but the quality of the obtained carbide as a carbon material deteriorates. At a temperature of 450 ° C. or higher, the carbon content increases, but the energy cost of the treatment significantly increases and the yield also decreases. Therefore, the carbonization temperature is appropriately selected from the temperature range of 400 to 900 ° C in consideration of the purpose of use of the obtained carbide.
【００１７】尚この炭化室ではこの処理温度で低分子量
化される液状物も生成され、これらは冷却部で冷却して
回収される。冷却の際には熱交換器が用いられ冷却によ
って高温となった冷媒はその温度によって予備加熱室又
は比較的低温の前段側の加熱室の熱源として利用され
る。前記加熱室および炭化室は廃棄物の性状および分離
回収の効率化のため必要によって温度をより細分化する
ため任意の複数段で設けてもよい。又各加熱室の設定温
度は前記例示してものの他場合に応じて適宜に定められ
る。Liquid substances whose molecular weight is reduced at this processing temperature are also produced in this carbonization chamber, and these are cooled and recovered in the cooling section. During cooling, a heat exchanger is used, and the refrigerant having a high temperature due to cooling is used as a heat source for the preheating chamber or the heating chamber on the upstream side having a relatively low temperature. The heating chamber and the carbonization chamber may be provided in any desired number of stages in order to further subdivide the temperature in order to improve the property of waste and the efficiency of separation and recovery. Further, the set temperature of each heating chamber is appropriately set according to other cases than those exemplified above.
【００１８】廃棄物が前記タイヤ廃材である場合には前
記炭化物にはタイヤコード等の金属線が混在している。
炭化室から得られた炭化物は空気中で燃焼しないような
温度まで冷却され必要に応じて破砕した後磁選機によっ
て金属と炭素原料とに分別される。得られた金属の加熱
は窒素還元雰囲気下で行われるため、金属類は酸化せず
再資源として利用しやすい良質な金属類を得ることがで
きる。また装置本体そのものも酸化されないので耐用年
数が極めて長い。When the waste is the tire waste material, the carbide contains metal wires such as tire cords.
The carbide obtained from the carbonization chamber is cooled to a temperature at which it does not burn in air, crushed if necessary, and then separated into a metal and a carbon raw material by a magnetic separator. Since the obtained metal is heated in a nitrogen-reducing atmosphere, the metal is not oxidized and high-quality metal that is easy to use as a resource can be obtained. Moreover, since the device itself is not oxidized, the service life is extremely long.
【００１９】以上のように、本発明によれば、残存性有
機汚染物質を安全かっ大量に無害化処理することがで
き、かつ含まれる有機物を工業用炭素素材として再利用
(再資源化)することができる。本発明は資源循環型社会
の構築に寄与し、環境破壊の防止とその保全に極めて有
用である。As described above, according to the present invention, residual organic pollutants can be treated safely and in a large amount, and the contained organic materials can be reused as industrial carbon materials.
(Recycling) is possible. INDUSTRIAL APPLICABILITY The present invention contributes to the construction of a resource recycling society, and is extremely useful for preventing environmental damage and preserving it.
───────────────────────────────────────────────────── 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） Ｃ１０Ｂ 41/00 Ｃ１０Ｂ 53/00 Ｂ 53/00 Ｃ１０Ｇ 1/10 Ｆ２３Ｇ 5/027 Ｚ Ｃ１０Ｇ 1/10 Ｂ０９Ｂ 3/00 ＺＡＢ // Ｆ２３Ｇ 5/027 ３０３Ｈ Ｚ Ｆターム(参考） 3K061 AA24 AB02 AC01 BA01 FA07 4D004 AA11 AA46 AB06 AB07 BA05 BA06 CA04 CA09 CA22 CA24 CA26 CA32 CC01 DA03 DA06 DA09 4H006 AA05 AC13 4H012 HA03 HA04 HB03 HB04 HB10 4H029 CA01 CA12 CA15 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) C10B 41/00 C10B 53/00 B 53/00 C10G 1/10 F23G 5/027 Z C10G 1/10 B09B 3 / 00 ZAB // F23G 5/027 303H ZF term (reference) 3K061 AA24 AB02 AC01 BA01 FA07 4D004 AA11 AA46 AB06 AB07 BA05 BA06 CA04 CA09 CA22 CA24 CA26 CA32 CC01 DA03 DA06 DA09 4H006 AA05 AC13 4H012 HA03 HA04 HB03 H04 HB03 H01B01 HA01 H01H01B01 CA12 CA15
Claims (11)
囲気下において連続的に加熱分解処理して塩素成分を除
去しかつ有用成分を再利用のため回収する方法におい
て、前記加熱を互いに温度が異なる複数の加熱領域にお
いて順次連続的に行ない、廃棄物中の各成分を夫々に対
応する温度の加熱領域において加熱により順次分解して
分離回収する廃棄物の無害化処理および再資源化方法1. A method for continuously decomposing a waste containing an organochlorine compound under a nitrogen atmosphere by thermal decomposition to remove chlorine components and recover useful components for reuse, wherein the heating is performed at temperatures different from each other. A method of detoxifying and recycling a waste, which is carried out successively in a plurality of different heating areas, and each component in the waste is sequentially decomposed by heating in a heating area having a corresponding temperature and separated and recovered.
囲気下において連続的に加熱分解処理して塩素成分を除
去しかつ有用成分を再利用のため回収する装置におい
て、前記装置が廃棄物に予備処理を施して供給する供給
部と、互いに温度が異なる複数の加熱室を相互に隔離し
て連続的に配置してなる加熱部と、 前記加熱部の複数の加熱室中で被加熱物を夫々搬送する
ために加熱室毎に設けられた搬送装置と、 分離回収された各成分を分別分離する分別部と、 前記被処理物から分離された成分の冷却のために各分別
部に設けられた熱交換器を含む冷却部と、 前記各加熱室における加熱処理を最適に連続制御する制
御部とを備えている廃棄物の無害化処理および再資源化
装置。2. A device for continuously decomposing a waste containing an organochlorine compound in a nitrogen atmosphere by thermal decomposition to remove chlorine components and recover useful components for reuse, the device being a waste product. A supply unit that performs pre-treatment and supplies, a heating unit in which a plurality of heating chambers having different temperatures are separated from each other and continuously arranged, and an object to be heated is placed in the plurality of heating chambers of the heating unit. A transport device provided for each heating chamber for transporting each, a separation unit for separating and separating the separated and recovered components, and a separation unit for cooling the components separated from the object to be treated. A detoxifying process and a recycling device for waste, which includes a cooling unit including a heat exchanger, and a control unit that optimally and continuously controls the heating process in each heating chamber.
担体に含浸させて供給する予備処理部を備えている請求
項２記載の装置。3. The apparatus according to claim 2, wherein the supply unit includes a pretreatment unit for impregnating and supplying a liquid raw material into a fibrous solid carrier.
状に破砕／分断する予備処理装置を備えている請求項２
記載の装置。4. The pretreatment device for crushing / dividing the solid waste into an appropriate treatment shape in the supply unit.
The described device.
理に先立って１３０〜１５０℃の温度に加熱して蒸発さ
せる予備加熱室を含む請求項２記載の装置。5. The apparatus according to claim 2, wherein the heating unit includes a preheating chamber for heating and evaporating the moisture in the raw material to a temperature of 130 to 150 ° C. prior to the thermal decomposition treatment.
対応する温度で加熱分解して低分子量化して回収する３
００〜９００℃の複数の加熱室を含む請求項２記載の装
置。6. The heating section thermally decomposes various organic compounds at temperatures corresponding to each of them to reduce the molecular weight thereof and recover the organic compounds.
The apparatus of claim 2 including a plurality of heating chambers at 00-900 ° C.
して塩素ガスとして回収する３００〜３５０℃の加熱室
を含む請求項２記載の装置。7. The apparatus according to claim 2, wherein the heating unit includes a heating chamber at 300 to 350 ° C. for thermally decomposing an organic chlorine compound and recovering it as chlorine gas.
して回収する冷却分離部を有する請求項７記載の装置。8. The apparatus according to claim 7, wherein the cooling unit has a cooling separation unit that cools chlorine gas and recovers it as a hydrochloric acid liquid.
に転化する４００℃以上の加熱室を有する請求項２記載
の装置。9. The apparatus according to claim 2, wherein the heating section has a heating chamber at 400 ° C. or higher for converting a carbon component in the raw material into a carbide.
料中の炭素成分と金属成分とを互いに分離する選別装置
を有する請求項２記載の装置。10. The apparatus according to claim 2, wherein the separation unit has a sorting device for separating the carbon component and the metal component in the raw material obtained by the treatment from each other.
の生成物の送出側とより低温の加熱室への処理物送入側
との間に熱交換器を設けた請求項２記載の装置。11. The heat exchanger according to claim 2, wherein a heat exchanger is provided between a delivery side of the product from the heating chamber on the higher temperature side of the heating section and a delivery side of the processed product to the heating chamber on the lower temperature side. apparatus.
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|---|---|---|---|
| JP2002007292A JP2003205281A (en) | 2002-01-16 | 2002-01-16 | Continuous detoxifying treatment of waste containing organic chlorine compound, recycling method thereof and apparatus therefor |
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