JP2001108210A - Waste treating system - Google Patents
Waste treating systemInfo
- Publication number
- JP2001108210A JP2001108210A JP28355699A JP28355699A JP2001108210A JP 2001108210 A JP2001108210 A JP 2001108210A JP 28355699 A JP28355699 A JP 28355699A JP 28355699 A JP28355699 A JP 28355699A JP 2001108210 A JP2001108210 A JP 2001108210A
- Authority
- JP
- Japan
- Prior art keywords
- inert gas
- waste
- facility
- furnace
- dry distillation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】 本発明は、高分子を含む炭
化水素系物，金属，砂利，水の混雑物等からなる廃棄物
を乾留，溶融処理する廃棄物処理システムに係る技術分
野に属する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a waste treatment system for dry-distilling and melting waste consisting of a hydrocarbon-containing material containing a polymer, metal, gravel, water contaminants, and the like.
【０００２】[0002]
【従来の技術】 従来、廃棄物処理システムとしては、
例えば、特開平５−１８０４２５号公報に記載のものが
知られている。2. Description of the Related Art Conventionally, as a waste disposal system,
For example, the one described in JP-A-5-180425 is known.
【０００３】この従来の廃棄物処理システムは、廃棄物
を焼却処理する際に廃棄物を乾留ガス化する乾留処理を
も行うように構成され、焼却処理の負担が軽減されるよ
うになっている。[0003] This conventional waste treatment system is configured to also perform a dry distillation process of converting the waste into a dry distillation gas when the waste is incinerated, so that the burden of the incineration process is reduced. .
【０００４】[0004]
【発明が解決しようとする課題】 前述の従来の廃棄物
処理システムでは、乾留処理が焼却処理で副次的に行わ
れるにすぎないため、廃棄物の乾留ガス化比率が低いと
いう問題点がある。The above-mentioned conventional waste treatment system has a problem that the dry distillation gasification ratio of the waste is low because the dry distillation is performed only as a by-product of incineration. .
【０００５】さらに、乾留処理が焼却処理を前提として
行われるため、焼却処理に対応した大規模な大気汚染対
策設備を備えなければならないという問題点がある。Furthermore, since the carbonization treatment is performed on the premise of the incineration treatment, there is a problem that it is necessary to provide a large-scale facility for air pollution control corresponding to the incineration treatment.
【０００６】本発明は、このような問題点を考慮してな
されたもので、焼却処理を行わずに廃棄物の乾留ガス化
比率を高めることのできる廃棄物処理システムを提供す
ることを課題とする。[0006] The present invention has been made in consideration of such problems, and has as its object to provide a waste treatment system capable of increasing the dry distillation gasification ratio of waste without performing incineration treatment. I do.
【０００７】[0007]
【課題を解決するための手段】 前述の課題を解決する
ため、本発明に係る廃棄物処理システムは、次のような
手段を採用する。Means for Solving the Problems In order to solve the above-mentioned problems, the waste treatment system according to the present invention employs the following means.
【０００８】即ち、請求項１では、内部に収容した廃棄
物を高温の不活性ガスを導入して乾留ガス化する密閉構
造の乾留炉と、乾留炉に接続され乾留炉で生成された乾
留残滓から乾留炉に導入される不活性ガスを生成する不
活性ガス生成設備とを備えてなる。That is, in the first aspect, a dry distillation furnace having a closed structure for introducing a high-temperature inert gas to convert the waste housed therein into a dry distillation gas, and a dry distillation residue connected to the dry distillation furnace and generated by the dry distillation furnace. And an inert gas generating facility for generating an inert gas to be introduced into the carbonization furnace.
【０００９】この手段では、廃棄物が高温の不活性ガス
の導入で乾留処理される。不活性ガスは、乾留炉で生成
された乾留残滓から生成される。In this means, the waste is dry-distilled by introducing a high-temperature inert gas. Inert gas is generated from the carbonization residue generated in the carbonization furnace.
【００１０】請求項２では、請求項１の廃棄物処理シス
テムにおいて、不活性ガス生成設備に接続され乾留残滓
を溶融処理する溶融設備とを備えてなることを特徴とす
る。According to a second aspect of the present invention, there is provided the waste treatment system according to the first aspect, further comprising a melting facility connected to the inert gas generating facility for melting and treating the dry distillation residue.
【００１１】この手段では、乾留残滓は、焼却処理では
なく溶融処理される。[0011] In this means, the dry distillation residue is melted, not incinerated.
【００１２】また、請求項３では、請求項２の廃棄物処
理システムにおいて、溶融設備で生成された燃焼ガスを
も乾留炉に導入される不活性ガスとすることを特徴とす
る。According to a third aspect of the present invention, in the waste disposal system of the second aspect, the combustion gas generated in the melting facility is also an inert gas introduced into the carbonization furnace.
【００１３】この手段では、溶融設備で生成された高温
の燃焼ガスが乾留炉に導入される不活性ガスでとして利
用される。[0013] In this means, the high-temperature combustion gas generated in the melting facility is used as an inert gas introduced into the carbonization furnace.
【００１４】また、請求項４では、請求項３の廃棄物処
理システムにおいて、乾留炉に不活性ガス生成設備，溶
融設備からの不活性ガスを集成する不活性ガス集成設備
が接続されていることを特徴とする。According to a fourth aspect of the present invention, in the waste treatment system of the third aspect, the dry distillation furnace is connected to an inert gas collecting facility for collecting an inert gas from a melting facility. It is characterized by.
【００１５】この手段では、不活性ガス生成設備，溶融
設備からの不活性ガスが不活性ガス集成設備で集成され
均質化される。In this means, the inert gas from the inert gas generating equipment and the melting equipment is collected and homogenized by the inert gas collecting equipment.
【００１６】また、請求項５では、請求項１〜４のいず
れかの廃棄物処理システムにおいて、乾留炉に廃棄物か
ら乾留ガス化された発生ガスを利用可能に処理する発生
ガス処理設備を接続したことを特徴とする。According to a fifth aspect of the present invention, in the waste treatment system according to any one of the first to fourth aspects, a generated gas processing facility for processing the generated gas obtained by converting the waste into dry gas is connected to the dry distillation furnace. It is characterized by having done.
【００１７】この手段では、廃棄物から乾留ガス化され
た発生ガスが発生ガス処理設備を介して各種用途に利用
される。In this means, the generated gas obtained by converting the waste to dry distillation gas is used for various purposes through the generated gas processing equipment.
【００１８】[0018]
【発明の実施の形態】 以下、本発明に係る廃棄物処理
システムの実施の形態を図面に基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１９】この実施の形態は、乾留炉１と不活性ガス
生成設備２と好ましくは溶融設備３を主要設備として構
成されている。In this embodiment, a dry distillation furnace 1, an inert gas generating equipment 2, and preferably a melting equipment 3 are mainly used.
【００２０】乾留炉１は、耐熱壁で密閉構造に形成され
てなるもので、内部に廃棄物Ａを収容し高温の不活性ガ
スＢを導入して乾留処理を行うことができるようになっ
ている。この乾留炉１は、好ましくは、縦型に形成して
隣接する廃棄物集積設備４から搬送された廃棄物Ａを上
部から投入し廃棄物Ａが乾留処理され乾留ガス化せずに
残った乾留残滓Ｃを下部から排出するように構成する。
なお、廃棄物Ａが投入される投入乾留炉１の上部の密閉
構造については、前述の従来例に開示されている上下の
複数ダンパ構造が採用される。また、不活性ガスＢの導
入部については、導入される不活性ガス量の調整によっ
て乾留速度を調整できるように、乾留炉１の下部に設定
される。The dry distillation furnace 1 is made of a heat-resistant wall and is formed in a closed structure. The dry distillation furnace 1 accommodates waste A therein and introduces high-temperature inert gas B to perform dry distillation. I have. The carbonization furnace 1 is preferably formed in a vertical shape, and the waste A conveyed from the adjacent waste accumulation facility 4 is charged from above, and the waste A is subjected to the carbonization treatment and the carbonization residue remaining without gasification. The residue C is discharged from the lower part.
The upper closed structure of the charging and distillation furnace 1 into which the waste A is charged employs the upper and lower multiple damper structures disclosed in the above-described conventional example. The introduction portion of the inert gas B is set at the lower part of the carbonization furnace 1 so that the carbonization speed can be adjusted by adjusting the amount of the inert gas introduced.
【００２１】乾留炉１での乾留処理で廃棄物Ａから乾留
ガス化された発生ガスＤは、乾留炉１に接続した発生ガ
ス処理設備５に送られる。発生ガス処理設備５は、発生
ガスＤを油化回収等の各種の用途に利用可能な状態に処
理する。なお、発生ガスＤの利用されない部分は、大気
汚染対策設備である排ガス設備６，排煙設備７を介して
大気中に排出される。これ等の排ガス設備６，排煙設備
７については、焼却処理の大気汚染対策設備よりもはる
かに簡素，小規模なもので対応することができる。The generated gas D gasified from the waste A by the carbonization treatment in the carbonization furnace 1 is sent to the generated gas treatment equipment 5 connected to the carbonization furnace 1. The generated gas processing equipment 5 processes the generated gas D so that it can be used for various uses such as oil recovery. The unused portion of the generated gas D is discharged into the atmosphere via an exhaust gas facility 6 and a smoke exhaust facility 7 which are air pollution control facilities. The exhaust gas equipment 6 and the smoke exhaust equipment 7 can be much simpler and smaller than the air pollution control equipment for incineration.
【００２２】乾留炉１での乾留処理で廃棄物Ａから乾留
ガス化されなくて残った乾留残滓Ｃは、乾留炉１に接続
した不活性ガス生成設備２に搬送される。不活性ガス生
成設備２は、乾留炉１で生成され排出された炭素系から
なる乾留残滓Ｃから、主に炭素を燃焼させることによっ
て、乾留炉１に導入される不活性ガスＢを生成する。不
活性ガスＢとしては、例えば、ＣＯ2 ：１４．０９％，
ＳＯ2 ：０．０３％，Ｈ2 Ｏ：９．０５％，空気：８．
０６％の組成の低酸素ガスからなる。低酸素ガスである
ことは、乾留炉１での爆発，過燃焼等を防止して安全性
を確保することができる。この不活性ガス生成設備２
は、必要に応じて加熱手段が備えられ、不活性ガス生成
設備２を７００℃程度に加熱する。なお、乾留炉１から
不活性ガス生成設備２への乾留残滓Ｃの搬送について
は、外気との接触が遮断された状態で行われる。The carbonization residue C remaining from the waste A without being carbonized and gasified from the waste A in the carbonization treatment in the carbonization furnace 1 is conveyed to an inert gas generation facility 2 connected to the carbonization furnace 1. The inert gas generation equipment 2 generates an inert gas B to be introduced into the carbonization furnace 1 by mainly burning carbon from the carbonization residue C made of carbon and generated and discharged in the carbonization furnace 1. As the inert gas B, for example, CO 2 : 14.09%,
SO 2: 0.03%, H 2 O: 9.05%, air: 8.
It consists of a low oxygen gas having a composition of 06%. The use of low oxygen gas can prevent explosion, overburning, and the like in the dry distillation furnace 1 and ensure safety. This inert gas generation equipment 2
Is provided with a heating means if necessary, and heats the inert gas generation equipment 2 to about 700 ° C. The transfer of the carbonization residue C from the carbonization furnace 1 to the inert gas generation facility 2 is performed in a state where the contact with the outside air is cut off.
【００２３】乾留炉１から不活性ガス生成設備２に搬送
された乾留残滓Ｃは、さらに不活性ガス生成設備２に接
続された溶融設備３に搬送される。溶融設備３は、空気
Ｅ，助燃油Ｆの供給によるバーナ（図示せず）の燃焼で
乾留残滓Ｃを溶融処理しスラッジＧとして排出する。こ
の溶融設備３で生成された高温の燃焼ガスＨは、乾留炉
１に導入される不活性ガスＢとして利用される。なお、
不活性ガス生成設備２から溶融設備３への乾留残滓Ｃの
搬送については、外気との接触が遮断された状態で行わ
れる。また、バーナに供給される空気Ｅについては、一
部が不活性ガス生成設備２に送られる。The dry distillation residue C transferred from the dry distillation furnace 1 to the inert gas generating equipment 2 is further transferred to the melting equipment 3 connected to the inert gas generating equipment 2. The melting equipment 3 melts the dry distillation residue C by burning a burner (not shown) by supplying the air E and the auxiliary fuel oil F, and discharges it as sludge G. The high-temperature combustion gas H generated in the melting facility 3 is used as an inert gas B introduced into the carbonization furnace 1. In addition,
The transport of the dry distillation residue C from the inert gas generation facility 2 to the melting facility 3 is performed in a state where the contact with the outside air is cut off. A part of the air E supplied to the burner is sent to the inert gas generation equipment 2.
【００２４】不活性ガス生成設備２，溶融設備３で生成
された不活性ガスＢは、不活性ガス集成設備８を介して
乾留炉１に導入される。不活性ガス集成設備８は、不活
性ガス生成設備２，溶融設備３で生成された不活性ガス
Ｂの成分，温度等を均質化する。The inert gas B generated in the inert gas generating equipment 2 and the melting equipment 3 is introduced into the carbonization furnace 1 through the inert gas collecting equipment 8. The inert gas collecting equipment 8 homogenizes the components, temperature, etc. of the inert gas B generated in the inert gas generating equipment 2 and the melting equipment 3.
【００２５】この実施の形態によると、乾留炉１におい
て、廃棄物Ａが焼却処理を伴わない高温の不活性ガスＢ
の積極的な導入で乾留処理される。従って、前述の従来
例のように乾留処理が焼却処理で副次的に行われる場合
に比して、廃棄物Ａの乾留ガス化比率が高くなる。ちな
みに、炭化水素系物，金属，砂利，水の混雑物からなる
廃棄物Ａに対して前述の成分，温度からなる不活性ガス
Ｂを導入すると、乾留ガス化比率が７０〜８０％とな
る。なお、不活性ガスＢが乾留炉１で生成された乾留残
滓Ｃから生成され別系統の生成設備を必要としないた
め、全体の装置規模の大型化を避けることができる。ま
た、乾留炉１での積極的な乾留処理は、吸熱反応によっ
て発生ガスＤの温度の低下をもたらす。従って、発生ガ
スＤにおける低温蒸発金属量を減少させることができ
る。According to this embodiment, in the carbonization furnace 1, the waste A is converted into a high-temperature inert gas B without incineration.
The carbonization treatment is performed by the active introduction of. Accordingly, the dry distillation gasification ratio of the waste A is higher than in the case where the dry distillation is performed as a secondary part of the incineration treatment as in the above-described conventional example. By the way, when the inert gas B composed of the above-mentioned components and temperature is introduced into the waste A composed of the contaminants of hydrocarbons, metals, gravel, and water, the dry distillation gasification ratio becomes 70 to 80%. In addition, since the inert gas B is generated from the carbonization residue C generated in the carbonization furnace 1 and does not require a separate generation system, it is possible to avoid an increase in the size of the entire apparatus. Further, the active carbonization treatment in the carbonization furnace 1 causes a decrease in the temperature of the generated gas D due to an endothermic reaction. Therefore, the amount of low-temperature evaporated metal in the generated gas D can be reduced.
【００２６】さらに、乾留残滓Ｃは、焼却処理されずに
溶融処理される。従って、焼却処理に対応した大規模な
大気汚染対策設備を備える必要がなく、全体の装置規模
の大型化を避けることができる。ちなみに、乾留残滓Ｃ
の炭素の含有重量は、２０〜３０％となる。Further, the dry distillation residue C is melted without being incinerated. Therefore, it is not necessary to provide a large-scale air pollution control facility corresponding to the incineration treatment, and it is possible to avoid an increase in the size of the entire apparatus. By the way, dry distillation residue C
Is 20 to 30%.
【００２７】以上、図示した実施の形態の外に、破棄物
処理のために他の設備等と連係することも可能である。As described above, in addition to the illustrated embodiment, it is also possible to cooperate with other facilities or the like for waste disposal.
【００２８】[0028]
【発明の効果】 以上のように、本発明に係る廃棄物処
理システムは、廃棄物を高温の不活性ガスの導入で乾留
処理するうえに、不活性ガスが乾留炉で生成された乾留
残滓から生成されるために、廃棄物の乾留ガス化比率を
高めることができる効果がある。また、この効果によ
り、焼却処理に対応した大規模な大気汚染対策設備を備
える必要がなくなり、全体の装置規模の大型化を避ける
ことができるという効果が生ずる。As described above, the waste treatment system according to the present invention performs the carbonization treatment of waste by introducing a high-temperature inert gas, and furthermore, the inert gas is generated from the carbonization residue generated in the carbonization furnace. Since it is produced, there is an effect that the dry distillation gasification ratio of waste can be increased. In addition, this effect eliminates the need to provide a large-scale air pollution countermeasure equipment corresponding to the incineration treatment, and thus has the effect of avoiding an increase in the size of the entire apparatus.
【００２９】また、本発明に係る廃棄物処理システム
は、廃棄物を高温の不活性ガスの導入で乾留処理する際
に、乾留残滓を焼却処理せずに溶融処理するため、焼却
処理を行わずに廃棄物の乾留ガス化比率を高めることが
できる効果がある。Further, in the waste treatment system according to the present invention, when the waste is subjected to the dry distillation by introducing a high-temperature inert gas, the dry distillation residue is melted without being incinerated. This has the effect of increasing the dry distillation gasification ratio of waste.
【００３０】さらに、不活性ガスが乾留炉で生成された
乾留残滓から生成される別系統の生成設備を必要としな
いため、全体の装置規模の大型化を避けることができる
効果がある。Furthermore, since an inert gas is not required to be provided in a separate system in which the inert gas is generated from the carbonization residue generated in the carbonization furnace, an increase in the size of the entire apparatus can be avoided.
【００３１】さらに、乾留炉での積極的な乾留処理での
吸熱反応によって発生ガスの温度の低下をもたらすこと
ができるため、発生ガスにおける低温蒸発金属量を減少
させることができる効果がある。Further, since the temperature of the generated gas can be reduced by the endothermic reaction in the active carbonization treatment in the carbonization furnace, the amount of low-temperature evaporated metal in the generated gas can be reduced.
【図１】 本発明に係る廃棄物処理システムの実施の形
態を示す設備配置図である。FIG. 1 is a facility layout diagram showing an embodiment of a waste treatment system according to the present invention.
１ 乾留炉 ２ 不活性ガス生成設備 ３ 溶融設備 ４ 廃棄物集積設備 ５ 発生ガス処理設備 ６ 排ガス設備 ７ 排煙設備 ８ 不活性ガス集成設備 Ａ 廃棄物 Ｂ 不活性ガス Ｃ 乾留残滓 Ｄ 発生ガス Ｅ 空気 Ｆ 助燃油 Ｇ スラッジ Ｈ 燃焼ガス REFERENCE SIGNS LIST 1 dry distillation furnace 2 inert gas generation equipment 3 melting equipment 4 waste accumulation equipment 5 generated gas treatment equipment 6 exhaust gas equipment 7 smoke exhaust equipment 8 inert gas assembly equipment A waste B inert gas C dry distillation residue D generated gas E air F Fuel oil G Sludge H Combustion gas
Claims (5)
スを導入して乾留ガス化する密閉構造の乾留炉と、乾留
炉に接続され乾留炉で生成された乾留残滓から乾留炉に
導入される不活性ガスを生成する不活性ガス生成設備と
を備えてなる廃棄物処理システム。1. A closed-distillation furnace having a closed structure for introducing a high-temperature inert gas to convert the waste housed therein into a dry-distillation gas, and a dry-distillation furnace connected to the dry-distillation furnace and introducing the distillation residue generated by the dry-distillation furnace into the dry-distillation furnace. A waste treatment system comprising: an inert gas generation facility that generates an inert gas to be processed.
て、不活性ガス生成設備に接続され乾留残滓を溶融処理
する溶融設備とを備えてなることを特徴とする廃棄物処
理システム。2. The waste treatment system according to claim 1, further comprising: a melting facility connected to the inert gas generating facility for melting and processing the dry distillation residue.
て、溶融設備で生成された燃焼ガスをも乾留炉に導入さ
れる不活性ガスとすることを特徴とする廃棄物処理シス
テム。3. The waste treatment system according to claim 2, wherein the combustion gas generated in the melting facility is also an inert gas introduced into the carbonization furnace.
て、乾留炉に不活性ガス生成設備，溶融設備からの不活
性ガスを集成する不活性ガス集成設備が接続されている
ことを特徴とする廃棄物処理システム。4. The waste treatment system according to claim 3, wherein the dry distillation furnace is connected with an inert gas collecting facility for collecting inert gas from an inert gas generating facility and a melting facility. Object processing system.
ステムにおいて、乾留炉に廃棄物から乾留ガス化された
発生ガスを利用可能に処理する発生ガス処理設備を接続
したことを特徴とする廃棄物処理システム。5. The waste treatment system according to claim 1, wherein a generated gas treatment facility is connected to the dry distillation furnace so as to use the generated gas obtained by converting the waste to dry distillation gas. Waste treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28355699A JP3754248B2 (en) | 1999-10-04 | 1999-10-04 | Waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28355699A JP3754248B2 (en) | 1999-10-04 | 1999-10-04 | Waste treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001108210A true JP2001108210A (en) | 2001-04-20 |
| JP3754248B2 JP3754248B2 (en) | 2006-03-08 |
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ID=17667067
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| Country | Link |
|---|---|
| JP (1) | JP3754248B2 (en) |
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1999
- 1999-10-04 JP JP28355699A patent/JP3754248B2/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP3754248B2 (en) | 2006-03-08 |
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