JP5277370B2 - Continuous heating furnace for carbonization of organic waste - Google Patents

Continuous heating furnace for carbonization of organic waste Download PDF

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JP5277370B2
JP5277370B2 JP2007153444A JP2007153444A JP5277370B2 JP 5277370 B2 JP5277370 B2 JP 5277370B2 JP 2007153444 A JP2007153444 A JP 2007153444A JP 2007153444 A JP2007153444 A JP 2007153444A JP 5277370 B2 JP5277370 B2 JP 5277370B2
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organic waste
carbonization treatment
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廣太郎 土本
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廣太郎 土本
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    • 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
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    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/78—Recycling of wood or furniture waste

Description

本発明は、生ごみなどの有機廃棄物の炭化処理方法を実現するための有機廃棄物炭化処理用連続加熱炉に関するものである。   The present invention relates to a continuous heating furnace for carbonization treatment of organic waste for realizing a carbonization treatment method of organic waste such as garbage.

従来より、生ごみ、農作物屑或いは廃木材などの有機廃棄物を炭化させることにより、ダイオキシンなどの有害ガスを発生させず、有機廃棄物を減容化させ、炭化物を土壌改良材や水質改善材などとして再利用できる、炭化処理方法および炭化処理装置が種々提案されている。   Conventionally, carbonization of organic waste such as garbage, crop waste or waste wood reduces the volume of organic waste without generating harmful gases such as dioxin, and converts the carbonized material into soil and water quality improvement materials. Various carbonization treatment methods and carbonization treatment apparatuses that can be reused as various methods have been proposed.

そのような炭化処理方法および炭化処理装置としては、例えば特開２００４−２７７６５５号公報の炭化処理方法及び炭化処理装置、特開２０００−３１３８８４号公報の廃棄物の処理方法などある。前者は、炭化槽内に設けられた一対のプレートに有機物を挟み込んで炭化する処理方法および炭化処理装置を開示している。また、後者は、複数のバケット内に廃棄物を投入し、攪拌しながら、無酸素状態で高温蒸気に曝して炭化させる廃棄物の処理方法および炭化処理装置を開示している。   Examples of such a carbonization treatment method and carbonization treatment apparatus include a carbonization treatment method and a carbonization treatment apparatus disclosed in JP-A-2004-277655, and a waste treatment method disclosed in JP-A-2000-313848. The former discloses a treatment method and a carbonization treatment apparatus that sandwich and carbonize an organic substance between a pair of plates provided in a carbonization tank. Further, the latter discloses a waste processing method and a carbonization processing apparatus in which waste is charged into a plurality of buckets and carbonized by exposure to high-temperature steam in an oxygen-free state while stirring.

しかし、前者の炭化処理方法及び炭化処理装置は、単一の炭化槽しか有していないため、日々大量に発生する有機物を炭化処理するためには、装置を大型化するか或いは多数の装置を必要とする。また、仮に大型の装置を構築しても単一の炭化槽で大量の有機物を炭化するためには、大量の燃料と時間を要し、これらがコスト高の要因となり実現化が困難であった。他方、後者の廃棄物の処理方法は、複数のバケット内に廃棄物をそれぞれ投入し、一見して大量の廃棄物を炭化できる構造を有しているが、バケットには高温蒸気を流通させるための多数の細孔部やメッシュが設けられているため、バケットは密閉されておらず、臭気などが漏れる構造となっている。
特開２００４−２７７６５５号公報 特開２０００−３１３８８４号公報 However, since the former carbonization treatment method and carbonization treatment apparatus have only a single carbonization tank, in order to carbonize organic substances generated in large quantities every day, the apparatus is enlarged or a large number of apparatuses are used. I need. In addition, even if a large-scale apparatus is constructed, a large amount of fuel and time are required to carbonize a large amount of organic matter in a single carbonization tank, which is a cost factor and difficult to realize. . On the other hand, the latter waste processing method has a structure in which waste can be put into a plurality of buckets and a large amount of waste can be carbonized at first glance. Since a large number of pores and meshes are provided, the bucket is not sealed and has a structure in which odors and the like leak.
JP 2004-277655 A Japanese Patent Laid-Open No. 2000-313884

そこで、本願発明者は上記従来技術の問題点を一挙に解決する有機廃棄物炭化処理用連続加熱炉を想起したものであり、すなわち、本発明の課題は、大量の有機廃棄物を簡素な設備で低廉かつ短時間に炭化減容化でき、臭気やその他の有害ガスが外部に漏れることもなく、炭化物を土壌改良材や水質改善材などとして再利用できる有機廃棄物炭化処理用連続加熱炉を提供することにある。   Therefore, the inventor of the present application recalls a continuous heating furnace for carbonization treatment of organic waste that solves the above-described problems of the prior art at once. That is, the object of the present invention is to provide a large amount of organic waste with simple equipment. This is a continuous heating furnace for carbonization treatment of organic waste that can reduce carbonization in a low cost and in a short time, and does not leak odors or other harmful gases to the outside, and can reuse carbide as a soil improvement material or water quality improvement material. It is to provide.

上記課題を解決するものは、有機廃棄物を内部に投入して密閉状態を保持可能な複数の炭化処理用容器と、該炭化処理用容器に設けられ内部の温度が設定温度以上、或いは設定圧力以上になることを抑制するための減圧手段と、複数の該炭化処理用容器を順次搬送するための搬送手段と、複数の前記炭化処理用容器を加熱して内部の有機廃棄物を炭化させるための加熱手段と、燃焼ガスを排出するための燃焼ガス排出部に設けられ燃焼ガスを燃焼させるための第２加熱手段と、複数の前記炭化処理用容器を冷却するための冷却手段を有していることを特徴とする有機廃棄物炭化処理用連続加熱炉である。 What solves the above-mentioned problem is that a plurality of carbonization treatment containers capable of maintaining an airtight state by introducing organic waste into the inside, and the internal temperature provided in the carbonization treatment container is equal to or higher than a set temperature or a set pressure Depressurizing means for suppressing the above, conveying means for sequentially conveying the plurality of carbonization treatment containers, and heating the plurality of carbonization treatment containers to carbonize the internal organic waste Heating means, a second heating means for burning the combustion gas provided in the combustion gas discharge section for discharging the combustion gas, and a cooling means for cooling the plurality of carbonization treatment containers. A continuous heating furnace for carbonizing organic waste.

前記冷却手段は、ステンレス板にて区画された冷却室内に導入された冷却用媒体流通管から噴出される冷却用媒体により冷却されるものであることが好ましい。 The cooling means is preferably cooled by a cooling medium ejected from a cooling medium flow pipe introduced into a cooling chamber partitioned by a stainless steel plate .

請求項１に記載の発明によれば、大量の有機廃棄物を簡素な設備で低廉かつ短時間に炭化減容化できる。また、密閉状態で炭化するため、臭気やその他の有害ガスが外部に漏れることもなく炭化物に吸着される。さらに、炭化物を土壌改良材や水質改善材などとして再利用できる。
請求項２に記載の発明によれば、上記請求項１の効果に加え、加熱された炭化処理用容器をより速やかに冷却することができる。 According to the first aspect of the present invention, a large amount of organic waste can be carbonized and reduced in a short time with simple equipment. Further, since carbonization is performed in a sealed state, odors and other harmful gases are adsorbed by the carbide without leaking to the outside. Further, the carbide can be reused as a soil improvement material or a water quality improvement material.
According to the second aspect of the invention, in addition to the effect of the first aspect, the heated carbonization vessel can be cooled more quickly.

本発明の有機廃棄物炭化処理用連続加熱炉は、有機廃棄物を内部に投入して密閉状態を保持可能な複数の炭化処理用容器を順次搬送して加熱し内部の有機廃棄物を炭化することで、大量の有機廃棄物を簡素な設備で低廉かつ短時間で減容化でき、臭気やその他の有害ガスが外部に漏れることもなく、有機廃棄物を安全に炭化処理することを実現した。   The continuous heating furnace for carbonization treatment of organic waste according to the present invention sequentially feeds and heats a plurality of carbonization treatment containers capable of maintaining a sealed state by introducing the organic waste into the inside to carbonize the organic waste inside. As a result, it was possible to reduce the volume of organic waste in a simple and inexpensive manner in a short time, and to safely carbonize organic waste without causing odors and other harmful gases to leak outside. .

図１は本発明の有機廃棄物炭化処理用連続加熱炉の一実施例の一部切り欠き側面概略図であり、図２は図１に示した有機廃棄物炭化処理用連続加熱炉の平面図であり、図３は図１に示した有機廃棄物炭化処理用連続加熱炉の炭化処理用容器の斜視図であり、図４は図１に示した有機廃棄物炭化処理用連続加熱炉の炭化処理用容器の縦断面図である。   FIG. 1 is a partially cutaway side schematic view of one embodiment of a continuous heating furnace for carbonization treatment of organic waste according to the present invention, and FIG. 2 is a plan view of the continuous heating furnace for carbonization treatment of organic waste shown in FIG. 3 is a perspective view of the carbonization container of the continuous heating furnace for organic waste carbonization shown in FIG. 1, and FIG. 4 is the carbonization of the continuous heating furnace for organic waste carbonization shown in FIG. It is a longitudinal cross-sectional view of the processing container.

この実施例の有機廃棄物炭化処理用連続加熱炉１は、図１に示すように、有機廃棄物を内部に投入して密閉状態を保持可能な複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆと、複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを順次搬送するための搬送手段３と、複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを加熱して内部の有機廃棄物を炭化させるための加熱手段４ａ，４ｂ，４ｃ，４ｄとを有している。以下、各構成について順次詳述する。   As shown in FIG. 1, the organic waste carbonization continuous heating furnace 1 of this embodiment has a plurality of carbonization treatment containers 2a, 2b, 2c, 2d, 2e, 2f, a plurality of carbonization containers 2a, 2b, 2c, 2d, 2e, 2f, and a plurality of carbonization containers 2a, 2b, 2c, 2d, 2e. , 2f and heating means 4a, 4b, 4c, 4d for carbonizing the organic waste inside. Hereinafter, each configuration will be described in detail.

この実施例の有機廃棄物炭化処理用連続加熱炉１は、ローラーハースキルンであり、炉入口１ａから炉出口１ｂに向かって水平方向（図中ｈ方向）に順次搬送される炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを加熱することにより、内部に収納した有機廃棄物を炭化させる。なお、本願でいう有機廃棄物とは、例えば生ごみ、農作物屑或いは廃木材などの有機物であるが、一部に廃プラスチックなどが含まれていても炭化可能である。   The continuous heating furnace 1 for carbonization treatment of organic waste in this embodiment is a roller hearth kiln, and is sequentially conveyed in a horizontal direction (h direction in the figure) from the furnace inlet 1a to the furnace outlet 1b. , 2b, 2c, 2d, 2e, and 2f, the organic waste stored in the interior is carbonized. In addition, although the organic waste as used in this application is organic substances, such as a garbage, agricultural waste, or waste wood, for example, even if waste plastic etc. are included in part, it can be carbonized.

炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ、２ｅ，２ｆは、有機廃棄物を内部に投入して加熱しても密閉状態を保持可能に構成されたものであり、耐熱性および耐食性を有するものであればどのようなものでもよいが、この実施例では、耐熱耐食性合金であるステンレス材により炭化処理用容器が形成されている。   The carbonization treatment containers 2a, 2b, 2c, 2d, 2e, and 2f are configured to be able to maintain a sealed state even when organic waste is put into the interior and heated, and have heat resistance and corrosion resistance. In this embodiment, the carbonization vessel is formed of a stainless material that is a heat-resistant and corrosion-resistant alloy.

炭化処理用容器２の構造としては、有機廃棄物を内部に投入して加熱しても密閉状態を保持可能なものであればどのような形態であってもよいが、この実施例では、図３または図４に示すように、上端が開口し長方体の本体部２Ａと、本体部２Ａの上端開口に嵌合して密閉状態を保持する蓋体２Ｂとからなり、図４に示すように、生ごみ等有機廃棄物を内部に投入して有機廃棄物炭化処理用連続加熱炉１内で加熱しても密閉状態を保持するように構成されている。なお、この実施例の炭化処理用容器２は、蓋体２Ｂの自重、または本体部２Ａと蓋体２Ｂとの係合力によって加熱されても密閉状態を保持するが、本体部２Ａと蓋体２Ｂとの間に締結手段を設けたものも本発明の範疇に包含される。   The carbonization treatment container 2 may have any structure as long as it can maintain a sealed state even when organic waste is introduced and heated. 3 or 4, the upper end is open and has a rectangular main body 2A, and a lid 2B that fits into the upper end opening of the main body 2A and maintains a sealed state, as shown in FIG. In addition, even when organic waste such as garbage is put inside and heated in the continuous heating furnace 1 for carbonizing organic waste, the sealed state is maintained. The carbonization treatment container 2 of this embodiment maintains a sealed state even when heated by the weight of the lid 2B or the engagement force between the main body 2A and the lid 2B, but the main body 2A and the lid 2B. Those provided with fastening means between the two are also included in the scope of the present invention.

炭化処理用容器２の個数は、図１または図２中には６個現れているが、有機廃棄物炭化処理用連続加熱炉１は、有機廃棄物を炭化処理用容器２に詰めて順次加熱するものであるため、順次加熱に必要な個数が適宜準備される。   The number of carbonization treatment containers 2 appears in FIG. 1 or FIG. 2, but the organic waste carbonization treatment continuous heating furnace 1 packs organic waste in the carbonization treatment container 2 and sequentially heats it. Therefore, the necessary number for sequential heating is appropriately prepared.

搬送手段３は、複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを炉入口１ａから炉出口１ｂに向かって順次搬送するためのものであり、基台１ｃの長手方向に直交する方向に複数配された回転ローラー３ａと、基台１ｃに設けられ回転ローラー３ａを回転可能に支持する支持部３ｂと、回転ローラー３ａを回転させるための駆動手段（図示しない）とから構成されている。そして、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆはそれぞれトレー９上に載置され、トレー９が回転ローラー３ａ上を転動することにより、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆが炉入口１ａから炉出口１ｂに向かって順次搬送されるように構成されている。なお、この実施例の搬送手段３は、炉入口１ａから炉出口１ｂに向かって直線状に配されているが、炭化処理用容器２が周回するように環状に構成されたものも本発明の範疇に包含される。   The conveying means 3 is for sequentially conveying a plurality of carbonization processing containers 2a, 2b, 2c, 2d, 2e, 2f from the furnace inlet 1a toward the furnace outlet 1b, and is orthogonal to the longitudinal direction of the base 1c. A plurality of rotating rollers 3a arranged in the direction of rotation, a support portion 3b that is provided on the base 1c and rotatably supports the rotating roller 3a, and driving means (not shown) for rotating the rotating roller 3a. ing. The carbonization processing containers 2a, 2b, 2c, 2d, 2e, 2f are respectively placed on the tray 9, and the tray 9 rolls on the rotating roller 3a, whereby the carbonization processing containers 2a, 2b, 2c. , 2d, 2e, 2f are sequentially conveyed from the furnace inlet 1a toward the furnace outlet 1b. In addition, although the conveyance means 3 of this Example is linearly arranged toward the furnace exit 1b from the furnace inlet 1a, what was comprised cyclically | annularly so that the container 2 for carbonization treatment may circulate may be used. Included in the category.

加熱手段４ａ，４ｂ，４ｃ，４ｄは、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを加熱して内部の有機廃棄物を炭化させるためのものであり、図１または図２に示すように、搬送ラインに沿って設けられている。具体的には、加熱手段４ａ，４ｂ，４ｃ，４ｄはガスバーナーからなり、基台１ｃの下方に離間して４機配され、トレー９を介して炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを下方から加熱するように構成されている。   The heating means 4a, 4b, 4c, and 4d are for heating the carbonization treatment containers 2a, 2b, 2c, 2d, 2e, and 2f to carbonize the organic waste inside, as shown in FIG. 1 or FIG. As shown, it is provided along the transport line. Specifically, the heating means 4 a, 4 b, 4 c, 4 d are gas burners, and are arranged in four units spaced apart below the base 1 c, and the carbonization treatment containers 2 a, 2 b, 2 c, 2 d are provided via the tray 9. , 2e, 2f are heated from below.

この実施例の有機廃棄物炭化処理用連続加熱炉１の炉長は約１２ｍであり、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆは、約２５分で炉入口１ａから炉出口１ｂを通過し、内部の有機廃棄物が炭化される。また、有機廃棄物炭化処理用連続加熱炉１はハウジング５により、焼成室が区画され、ハウジング５の上部には、燃焼ガスを燃焼させるための第２加熱手段７を備えた燃焼ガス排出部６が構成されている。 The length of the continuous heating furnace 1 for carbonization treatment of organic waste in this embodiment is about 12 m, and the containers 2a, 2b, 2c, 2d, 2e, 2f for carbonization treatment are about 25 minutes from the furnace inlet 1a to the furnace outlet. Passing through 1b, the organic waste inside is carbonized. The continuous heating furnace 1 for carbonization treatment of organic waste is divided into a firing chamber by a housing 5, and a combustion gas discharge unit 6 having a second heating means 7 for burning the combustion gas at the upper part of the housing 5. Is configured.

つぎに、本発明の有機廃棄物の炭化処理方法を前述した有機廃棄物炭化処理用連続加熱炉１を用いて説明する。
本発明の有機廃棄物の炭化処理方法は、複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内に有機廃棄物を投入して密閉状態を保持する工程と、有機廃棄物を投入した炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを連続加熱炉１の搬送手段３に配置して順次加熱し炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内の有機廃棄物を炭化する工程と、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆより炭化物を取り出す工程とを有している。以下、各工程について順次詳述する。 Next, the method for carbonizing organic waste according to the present invention will be described using the above-described continuous heating furnace 1 for carbonizing organic waste.
The method for carbonizing organic waste according to the present invention includes a step of supplying organic waste into a plurality of carbonization containers 2a, 2b, 2c, 2d, 2e, and 2f to maintain a sealed state, The charged carbonization treatment containers 2a, 2b, 2c, 2d, 2e, 2f are arranged on the conveying means 3 of the continuous heating furnace 1 and sequentially heated, and the carbonization treatment containers 2a, 2b, 2c, 2d, 2e, 2f A step of carbonizing the organic waste, and a step of extracting the carbide from the carbonization processing containers 2a, 2b, 2c, 2d, 2e, and 2f. Hereinafter, each step will be described in detail.

複数の炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内に有機廃棄物を投入して密閉状態を保持する工程では、炭化処理用容器２の蓋体２Ｂを本体部２Ａより取り外して順次、有機廃棄物を本体部２Ａ内に投入する。より具体的には、この実施例の炭化処理用容器２は２０リットルの容量を有したものであり、生ごみ等の有機廃棄物を約１０ｋｇ投入する。この際、約１リットルの水を補充することが好ましい。そして、蓋体２Ｂを本体部２Ａに嵌合させる。   In the step of charging the organic waste into the plurality of carbonization treatment containers 2a, 2b, 2c, 2d, 2e, 2f and maintaining the sealed state, the lid 2B of the carbonization treatment container 2 is removed from the main body 2A. Sequentially, organic waste is put into the main body 2A. More specifically, the carbonization treatment container 2 of this embodiment has a capacity of 20 liters, and about 10 kg of organic waste such as garbage is input. At this time, it is preferable to replenish about 1 liter of water. Then, the lid 2B is fitted to the main body 2A.

有機廃棄物を投入した炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを連続加熱炉１の搬送手段３に配置して順次加熱し炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内の有機廃棄物を炭化する工程では、有機廃棄物を投入した炭化処理用容器２を炉入口１ａ付近の回転ローラー３ａ上にトレー９を介して載置する。炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆは搬送手段３により順次炉内を進行し、加熱手段４ａ，４ｂ，４ｃ，４ｄにより加熱される。連続加熱炉１内の温度は３００〜９００℃であることが好ましく、より好ましくは７２０〜７４０℃である。これにより、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内の有機廃棄物は炭化される。この際、有機廃棄物は、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ内において密閉状態で炭化されるため、臭気やその他の有害ガスは炭化の過程で炭化物に吸着される。   Carbonization containers 2a, 2b, 2c, 2d, 2e, and 2f charged with organic waste are placed on the conveying means 3 of the continuous heating furnace 1 and sequentially heated to perform carbonization containers 2a, 2b, 2c, 2d, and 2e. In the step of carbonizing the organic waste in 2f, the carbonization treatment container 2 charged with the organic waste is placed on the rotating roller 3a near the furnace inlet 1a via the tray 9. The carbonization processing containers 2a, 2b, 2c, 2d, 2e, and 2f sequentially advance in the furnace by the conveying means 3 and are heated by the heating means 4a, 4b, 4c, and 4d. It is preferable that the temperature in the continuous heating furnace 1 is 300-900 degreeC, More preferably, it is 720-740 degreeC. Thereby, the organic waste in the carbonization processing containers 2a, 2b, 2c, 2d, 2e, 2f is carbonized. At this time, the organic waste is carbonized in a sealed state in the carbonization treatment containers 2a, 2b, 2c, 2d, 2e, and 2f, so that odors and other harmful gases are adsorbed by the carbide during the carbonization process.

このように、本発明の有機廃棄物の炭化処理方法では、密閉状態が維持された炭化処理用容器内に有機廃棄物を収納して順次搬送、加熱することにより、大量の有機廃棄物を簡素な設備で低廉かつ短時間に炭化減容化できる。また、密閉状態で炭化するため、臭気やその他の有害ガスが外部に漏れることもなく炭化物に吸着される。   As described above, in the method for carbonizing organic waste according to the present invention, a large amount of organic waste can be simplified by storing the organic waste in a sealed carbonization container and sequentially transporting and heating it. The carbonization volume can be reduced in a short time with inexpensive equipment. Further, since carbonization is performed in a sealed state, odors and other harmful gases are adsorbed by the carbide without leaking to the outside.

炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆより炭化物を取り出す工程では、炉出口１ｂに順次搬出される炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆの蓋体２Ｂを取り外して、内部の炭化物を取り出す。なお、この実施例では、自然冷却の後、炭化物を取り出すが、冷却手段を設け、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆを冷却した後、炭化物を取り出すものも本発明の範疇に包含される。そして、取り出された炭化物は、土壌改良材や水質改善材などとして再利用することができる。   In the step of taking out the carbide from the carbonization processing vessels 2a, 2b, 2c, 2d, 2e, 2f, the lid 2B of the carbonization processing vessels 2a, 2b, 2c, 2d, 2e, 2f sequentially carried out to the furnace outlet 1b is used. Remove the carbide inside. In this embodiment, the carbide is taken out after natural cooling. However, a cooling means is provided to cool the carbonization treatment containers 2a, 2b, 2c, 2d, 2e, 2f, and then take out the carbide. Included in the category. And the taken-out carbide | carbonized_material can be reused as a soil improvement material, a water quality improvement material, etc.

さらに、図５および図６に示した有機廃棄物炭化処理用連続加熱炉に使用する炭化処理用容器の他の実施例について説明する。
この炭化処理用容器１０と前述した炭化処理用容器２との相違は、内部の温度が設定温度以上になることを抑制するための減圧手段８を有している点のみであり、他は同様である。同一構成部分については同一符号を付し説明を省略する。 Furthermore, another embodiment of the carbonization vessel used in the organic waste carbonization continuous heating furnace shown in FIGS. 5 and 6 will be described.
The difference between the carbonization treatment container 10 and the carbonization treatment container 2 described above is only that the pressure reducing means 8 is provided for suppressing the internal temperature from exceeding the set temperature, and the others are the same. It is. The same components are denoted by the same reference numerals and description thereof is omitted.

具体的には、炭化処理用容器１０は蓋体２Ｂの中央付近には、内部の温度が８００℃以上になると、内部の蒸気を外部に排出し、８００℃以上の温度上昇を抑制するための減圧手段８が設けられている。この減圧手段８は、筒状本体８ａと、筒状本体８ａの内部に配され上下に摺動可能な摺動体８ｂとからなっている。筒状本体８ａの内部には、貫通孔を有した隔壁８ｃが形成されており、その貫通孔には逆止弁８ｄが設けられている。また、摺動体８ｂにも貫通孔が形成されており、この貫通孔にも逆止弁８ｆが設けられている。そして、筒状本体８ａは、装着部８ｅを介して蓋体２Ｂに固定されており、内部の温度が８００℃以上になると、蒸気が図６中の矢印の経緯で外部に排出されるように構成されている。なお、この実施例の減圧手段８は、炭化処理用容器１０内の温度が８００℃以上になると上記のように作用して減圧するが、炭化処理用容器内の圧力が設定圧力以上になると減圧作用を生じるように構成された減圧手段であってもよい。   Specifically, the carbonization treatment container 10 is provided in the vicinity of the center of the lid 2B for discharging the internal steam to the outside when the internal temperature is 800 ° C. or higher, and suppressing a temperature increase of 800 ° C. or higher. A decompression means 8 is provided. The decompression means 8 includes a cylindrical main body 8a and a sliding body 8b that is arranged inside the cylindrical main body 8a and can slide up and down. A partition wall 8c having a through hole is formed inside the cylindrical main body 8a, and a check valve 8d is provided in the through hole. A through hole is also formed in the sliding body 8b, and a check valve 8f is also provided in this through hole. And the cylindrical main body 8a is being fixed to the cover body 2B via the mounting part 8e, and when internal temperature becomes 800 degreeC or more, a vapor | steam will be discharged | emitted by the process of the arrow in FIG. It is configured. The decompression means 8 of this embodiment acts as described above to reduce the pressure when the temperature in the carbonization treatment vessel 10 is 800 ° C. or higher. However, when the pressure in the carbonization treatment vessel becomes equal to or higher than the set pressure, the pressure reduction means 8 is reduced. It may be a decompression means configured to produce an action.

さらに、図７および図８に示した有機廃棄物炭化処理用連続加熱炉２０について説明する。
この実施例の有機廃棄物炭化処理用連続加熱炉２０と、前述した有機廃棄物炭化処理用連続加熱炉１との基本的な相違は、有機廃棄物炭化処理用連続加熱炉２０が、焼成室の下流側に隣接して冷却室を備えている点であり、他は有機廃棄物炭化処理用連続加熱炉１と同様である。有機廃棄物炭化処理用連続加熱炉１と同一構成については同一符号を付し説明を省略する。 Further, the organic waste carbonization continuous heating furnace 20 shown in FIGS. 7 and 8 will be described.
The fundamental difference between the organic waste carbonization continuous heating furnace 20 of this embodiment and the organic waste carbonization continuous heating furnace 1 described above is that the organic waste carbonization continuous heating furnace 20 has a firing chamber. The other is the same as the continuous heating furnace 1 for carbonization treatment of organic waste. The same components as those in the organic waste carbonizing treatment continuous heating furnace 1 are denoted by the same reference numerals and description thereof is omitted.

具体的には、有機廃棄物炭化処理用連続加熱炉２０は、搬送方向に沿って延在するように配置されたステンレス板２１（天板）により区画された冷却室を有しており、ステンレス板２１の下方には、搬送方向に直交する方向に延在し、かつ加熱炉２０を貫通して配された冷却用媒体流通管２２ａ，２２ｂ，２２ｃ，２２ｄ，２２ｅ，２２ｆが搬送されてくる炭化処理用容器２の上下付近にそれぞれ離間して設けられている。なお、ハウジング５内において冷却室を構成する際、ステンレス板２１（天板）により上部を区画するのは、冷却室を狭小化して冷却効率を高めるためである。また、ステンレス板を使用するのは、ステンレスが比熱が小さく冷めやすい性質を有すると共に、強度性、耐熱性、耐久性、耐食性、熱伝導性に優れているからであり、さらに図８に示すように、ステンレス板の縦断面を波形に形成することにより、下方への垂下を抑止できると共に、表面積を大きくして熱発散性を高めることができる。   Specifically, the organic waste carbonization continuous heating furnace 20 has a cooling chamber partitioned by a stainless steel plate 21 (top plate) arranged so as to extend along the conveying direction. Below the plate 21, cooling medium flow pipes 22a, 22b, 22c, 22d, 22e, and 22f that extend in a direction perpendicular to the conveyance direction and that pass through the heating furnace 20 are conveyed. The carbonization treatment containers 2 are provided apart from each other in the vicinity of the top and bottom. The reason why the upper portion is partitioned by the stainless steel plate 21 (top plate) when the cooling chamber is configured in the housing 5 is to narrow the cooling chamber and increase the cooling efficiency. Moreover, the stainless steel plate is used because stainless steel has a specific heat and is easy to cool, and is excellent in strength, heat resistance, durability, corrosion resistance, and thermal conductivity, as shown in FIG. In addition, by forming the vertical cross section of the stainless steel plate into a corrugated shape, it is possible to prevent downward drooping, and to increase the surface area and enhance the heat dissipation.

冷却用媒体流通管２２ａ，２２ｂ，２２ｃ，２２ｄ，２２ｅ，２２ｆ内には、例えばエアまたは水などの気体状または液体状の冷却用媒体がコンプレッサ（図示しない）を介して流通しており、図８に示すように、冷却用媒体流通管２２ａ，２２ｃ，２２ｅからはそれらの下部に複数設けられた噴出口より下方（搬送されてくる炭化処理用容器２）に向かって冷却用媒体が噴出されるように構成されている。他方、冷却用媒体流通管２２ｂ，２２ｄ，２２ｆからはそれらの上部に複数設けられた噴出口より上方（搬送されてくる炭化処理用容器２）に向かって冷却用媒体が噴出されるように構成されている。   In the cooling medium circulation pipes 22a, 22b, 22c, 22d, 22e, and 22f, a gaseous or liquid cooling medium such as air or water is circulated through a compressor (not shown). As shown in FIG. 8, the cooling medium is ejected from the cooling medium flow pipes 22 a, 22 c, and 22 e toward the lower side (conveyed carbonization treatment container 2) from the plurality of jet outlets provided in the lower part thereof. It is comprised so that. On the other hand, the cooling medium flow pipes 22b, 22d, and 22f are configured such that the cooling medium is ejected from the plurality of jet ports provided above them toward the upper side (conveyed carbonization treatment vessel 2). Has been.

このように、この実施例の有機廃棄物炭化処理用連続加熱炉２０は、焼成室の下流側ハウジング５内に、ステンレス板２１（天板）により区画され狭小化された冷却室と、冷却室内に導入された冷却用媒体流通管２２ａ，２２ｂ，２２ｃ，２２ｄ，２２ｅ，２２ｆから噴出される冷却用媒体により冷却される冷却手段とを有しているため、炭化処理用容器２を急冷させることで、その後の炭化物取出工程の作業効率を高めることができる。なお、ステンレス板２１は、冷却用媒体流通管２２ａ，２２ｃ，２２ｅの上部に直接載置してもよく、これにより、ステンレス板２１は熱により膨張しても横方向のみに膨張し冷却に伴って収縮して垂下を確実の抑止できる。   Thus, the continuous heating furnace 20 for carbonization treatment of organic waste according to this embodiment includes a cooling chamber that is partitioned and narrowed by the stainless steel plate 21 (top plate) in the downstream housing 5 of the firing chamber, and the cooling chamber. The cooling medium flow pipes 22a, 22b, 22c, 22d, 22e, and 22f introduced into the cooling medium are cooled by the cooling medium, so that the carbonization treatment vessel 2 is rapidly cooled. Thus, the work efficiency of the subsequent carbide removing process can be increased. The stainless steel plate 21 may be placed directly on the cooling medium flow pipes 22a, 22c, and 22e. As a result, even if the stainless steel plate 21 expands due to heat, the stainless steel plate 21 expands only in the lateral direction and accompanies cooling. It is possible to suppress drooping by contracting.

具体的には、炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ，２ｇ，２ｈ，２ｊは、図７に示すように、搬送手段３により順次炉内をｈ方向に進行し、焼成室にて加熱手段４ａ，４ｂ，４ｃ，４ｄにより加熱された後、ステンレス板２１により区画され冷却室に移行する。この冷却室では、まず、冷却用媒体流通管２２ａ，２２ｂから噴出される冷却用媒体によって各炭化処理用容器２が上下より冷却される。さらに搬送されて、各炭化処理用容器２は冷却用媒体流通管２２ｃ，２２ｄから噴出される冷却用媒体、次いで冷却用媒体流通管２２ｅ，２２ｆから噴出される冷却用媒体によって上下より冷却される。そして、炉出口１ｂに順次搬出される炭化処理用容器２ａ，２ｂ，２ｃ，２ｄ，２ｅ，２ｆ，２ｇ，２ｈ，２ｊは冷却されているため、その蓋体２Ｂを取り外して内部の炭化物をより容易に取り出すことができる。   Specifically, as shown in FIG. 7, the carbonization processing containers 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2j are sequentially advanced in the h direction by the conveying means 3 and fired. After being heated by the heating means 4a, 4b, 4c, 4d in the chamber, it is partitioned by the stainless steel plate 21 and moves to the cooling chamber. In this cooling chamber, each carbonization vessel 2 is first cooled from above and below by the cooling medium ejected from the cooling medium flow pipes 22a and 22b. Further transported, each carbonization treatment container 2 is cooled from above and below by the cooling medium ejected from the cooling medium flow pipes 22c and 22d and then the cooling medium ejected from the cooling medium flow pipes 22e and 22f. . And since the carbonization processing containers 2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, and 2j which are sequentially carried out to the furnace outlet 1b are cooled, the lid 2B is removed to further remove the internal carbide. It can be easily taken out.

本発明の有機廃棄物炭化処理用連続加熱炉の一実施例の一部切り欠き側面概略図である。It is a partial notch side schematic diagram of one example of a continuous heating furnace for organic waste carbonization processing of the present invention. 図１に示した有機廃棄物炭化処理用連続加熱炉の平面図である。It is a top view of the continuous heating furnace for organic waste carbonization processing shown in FIG. 図１に示した有機廃棄物炭化処理用連続加熱炉の炭化処理用容器の斜視図である。It is a perspective view of the container for carbonization of the continuous heating furnace for organic waste carbonization shown in FIG. 図１に示した有機廃棄物炭化処理用連続加熱炉の炭化処理用容器の縦断面図である。It is a longitudinal cross-sectional view of the container for carbonization processing of the continuous heating furnace for organic waste carbonization processing shown in FIG. 本発明の有機廃棄物炭化処理用連続加熱炉に使用する炭化処理用容器の他の実施例の斜視図である。It is a perspective view of the other Example of the container for carbonization processing used for the continuous heating furnace for organic waste carbonization processing of this invention. 図５に示した炭化処理用容器の減圧手段の縦断面図である。It is a longitudinal cross-sectional view of the pressure reduction means of the carbonization treatment container shown in FIG. 本発明の有機廃棄物炭化処理用連続加熱炉の他の実施例の一部切り欠き側面概略図である。It is a partial notch side schematic diagram of other examples of a continuous heating furnace for organic waste carbonization processing of the present invention. 図７のＡ−Ａ線断面拡大概略図である。FIG. 8 is an enlarged schematic cross-sectional view taken along line AA in FIG. 7.

１ 有機廃棄物炭化処理用連続加熱炉
２ 炭化処理用容器
３ 搬送手段
４ 加熱手段
５ ハウジング
６ 燃焼ガス排出部
７ 第２加熱手段
８ 減圧手段
９ トレー
２１ ステンレス板
２２ 冷却媒体流通管 DESCRIPTION OF SYMBOLS 1 Organic waste carbonization treatment continuous heating furnace 2 Carbonization treatment container 3 Conveying means 4 Heating means 5 Housing 6 Combustion gas discharge part 7 Second heating means 8 Depressurizing means 9 Tray 21 Stainless steel plate 22 Cooling medium flow pipe

Claims (2)

有機廃棄物を内部に投入して密閉状態を保持可能な複数の炭化処理用容器と、該炭化処理用容器に設けられ内部の温度が設定温度以上、或いは設定圧力以上になることを抑制するための減圧手段と、複数の該炭化処理用容器を順次搬送するための搬送手段と、複数の前記炭化処理用容器を加熱して内部の有機廃棄物を炭化させるための加熱手段と、燃焼ガスを排出するための燃焼ガス排出部に設けられ燃焼ガスを燃焼させるための第２加熱手段と、複数の前記炭化処理用容器を冷却するための冷却手段を有していることを特徴とする有機廃棄物炭化処理用連続加熱炉。 In order to suppress a plurality of carbonization treatment containers that can be filled with organic waste and maintain a hermetically sealed state, and the internal temperature of the carbonization treatment container is not less than a set temperature or a set pressure. A decompression means, a transport means for sequentially transporting the plurality of carbonization treatment containers, a heating means for heating the plurality of carbonization treatment containers to carbonize the internal organic waste, and a combustion gas An organic waste comprising a second heating means provided in a combustion gas discharge section for discharging, and a cooling means for cooling a plurality of the carbonization treatment containers. Continuous heating furnace for carbonization. 前記冷却手段は、ステンレス板にて区画された冷却室内に導入された冷却用媒体流通管から噴出される冷却用媒体により前記炭化処理用容器が冷却されるものである請求項１に記載の有機廃棄物炭化処理用連続加熱炉。 2. The organic material according to claim 1, wherein the cooling means is configured to cool the carbonization treatment container by a cooling medium ejected from a cooling medium flow pipe introduced into a cooling chamber partitioned by a stainless steel plate. Continuous heating furnace for carbonization of waste.
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