JP4340510B2 - Organic material carbonization equipment - Google Patents

Organic material carbonization equipment Download PDF

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JP4340510B2
JP4340510B2 JP2003358939A JP2003358939A JP4340510B2 JP 4340510 B2 JP4340510 B2 JP 4340510B2 JP 2003358939 A JP2003358939 A JP 2003358939A JP 2003358939 A JP2003358939 A JP 2003358939A JP 4340510 B2 JP4340510 B2 JP 4340510B2
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exhaust gas
carbonization
furnace
carbonization furnace
organic material
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昌洋 難波
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株式会社まさなみ鉄工
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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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/78—Recycling of wood or furniture waste

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  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)

Description

本発明は畜産業、農業、水産業に関する食品加工場、製紙工場等から排出する有機物又はこれら有機物からの有機肥料あるいはRDF（廃棄物固形燃料）等の有機材料の炭化装置、特に、伐採木材の製材屑や木造建築物の解体廃材等を破砕した木材チップあるいは製材時に発生するオガクズ等の有機材料炭化装置に関する。 The present invention is a device for carbonizing organic materials such as organic matter discharged from food processing plants, paper mills, etc. related to livestock industry, agriculture and fisheries, or organic fertilizers from these organic matter or RDF (waste solid fuel). It relates to an organic material carbonization equipment of sawdust or the like for generating a demolition wastes, etc. lumber debris and wooden building in wood chip or during timber crushing.

有機材料からの炭化物連続製造装置については、特許文献１や特許文献２等において、本発明者らが既に提案している。また、本発明で採用している縦型炭化炉についても多くの提案がなされており、例えば、特許文献３あるいは特許文献４にその例がみられる。   The inventors have already proposed an apparatus for continuously producing carbide from an organic material in Patent Document 1, Patent Document 2, and the like. Further, many proposals have been made for the vertical carbonization furnace employed in the present invention. For example, Patent Document 3 or Patent Document 4 shows examples.

特許第３１３１１７６号公報Japanese Patent No. 3131176 特許第３１９９６９６号公報Japanese Patent No. 3199696 特開２００２−３２０９９８公報JP 2002-320998 A 特開２００２−３８５３公報JP 2002-3853 A

有機材料炭化装置においては、炭化炉へ投入する原料の乾燥粉砕処理をどのようにするか、乾燥の熱効率をどのように高めるかが問題となると同時に生成するタール分や排ガスの効率的な処理が必要となる。   In organic material carbonization equipment, how to dry and pulverize the raw materials to be charged into the carbonization furnace and how to increase the thermal efficiency of drying become a problem. Necessary.

また、これら有機材料炭化装置中核をなす炭化炉にあっては、原料の供給、炭化、排出をいかに効率的にブリッジを起こすことなく連続的に流すかが問題となる。   Further, in the carbonization furnace which forms the core of these organic material carbonization apparatuses, there is a problem of how to feed, carbonize and discharge the raw materials continuously without causing bridging.

本発明はこれらの問題を解決課題とするものである。すなわち、装置全体において熱効率を高め、生成するタール分や排ガスの効率的な処理に適合する装置とする。特に、炭化炉の構造を再検討して、炉内での木チップ等で発生しやすいブリッジ形成を皆無にして均一な炭化物を効率よく生産することを目的とする。   The present invention addresses these problems. In other words, the thermal efficiency of the entire apparatus is increased, and the apparatus is adapted to the efficient treatment of the generated tar content and exhaust gas. In particular, the structure of the carbonization furnace is reviewed, and the object is to efficiently produce uniform carbide without any bridge formation that is likely to occur with wood chips or the like in the furnace.

本発明の有機材料炭化装置は、オンドル付原料置場、破砕機、乾燥機、破砕物供給機、炭化炉及び該炭化炉からの排出ガス燃焼炉とからなり、該排出ガス燃焼炉では排出ガス中のタール分まで高温焼成し、該高温排ガスを炭化炉、原料置場及び乾燥機へ供給する供給配管を設けてなる有機材料炭化装置であって、排出ガス燃焼炉を２基備え、１基は炭化炉加熱用とし、他の１基は有機材料の乾燥用としてなり、排出ガス燃焼炉には、水蒸気発生器を設け、該水蒸気発生器からの水蒸気配管を炭化炉の加熱ガス供給口及び排ガス排出口の両方に結合してなることを特徴とする。 Organic materials carbonization apparatus of the present invention, the raw material yard with ondol, broken mill, dryer, crushed feeder consists of a exhaust gas combustion furnace from the carbonization furnace, and carbon reduction furnace, the outlet exhaust gas in a gas fired furnace to tar and high temperature firing, the high-temperature exhaust gas carbonization furnace, feed yard and organic materials carbonization apparatus der formed by providing a supply pipe for supplying to the dryer, the exhaust gas combustion furnace 2 Motosonae, 1 group For heating the carbonization furnace, the other one is for drying organic materials, the exhaust gas combustion furnace is provided with a steam generator, and the steam piping from the steam generator is connected to the heating gas supply port of the carbonization furnace and the exhaust gas. It is characterized by being connected to both outlets .

ここでは排出ガス燃焼炉を２基備え、１基は炭化炉加熱用とし、他の１基は有機材料、例えば廃材及び木チップの乾燥用として、排出ガス中のタール分、例えば木酢液まで高温焼成を十分にし、かつ、有機材料の乾燥及び炭化を十分に達成できる有機材料炭化装置としている。   Here, two exhaust gas combustion furnaces are provided, one for heating the carbonization furnace, and the other for drying organic materials such as waste materials and wood chips, so that the tar content in the exhaust gas, such as wood vinegar, is high. The organic material carbonization apparatus can sufficiently calcinate and sufficiently achieve drying and carbonization of the organic material.

また、この排出ガス燃焼炉には、水蒸気発生器を設け、この水蒸気発生器からの水蒸気配管を炭化炉の加熱ガス供給口又は排ガス排出口に結合して、炭化炉においては水蒸気の導入により、炭化物を活性化することができ、かつ炭化炉から発生するタール分の配管への付着を防止する。   The exhaust gas combustion furnace is provided with a steam generator, and a steam pipe from the steam generator is connected to a heating gas supply port or an exhaust gas exhaust port of the carbonization furnace. Carbide can be activated and the tar content generated from the carbonization furnace is prevented from adhering to the pipe.

ここで炭化炉にあっては、上方に有機材料の供給口及び排ガス排出口を、下方に炭化物取出装置及び炭化物排出口を、側面下方に加熱ガス供給口を設けた縦型炭化炉において、この炭化炉本体の内壁が下方に広がる円錐壁としたことを特徴とする。下方に広がることにより、内部で原料のブリッジ化が避けられる。   Here, in the carbonization furnace, in the vertical carbonization furnace in which the organic material supply port and the exhaust gas discharge port are provided above, the carbide take-out device and the carbide discharge port are provided below, and the heating gas supply port is provided below the side surface. The inner wall of the carbonization furnace body is a conical wall extending downward. By spreading downward, raw material bridging can be avoided.

炭化炉内部下方の炭化物取出装置は格子状の固定バーとその近辺の回転円盤であり、場合によりこれと同軸に格子状の固定バーの近辺に回転バーを設けた構造にする。このような簡単な構造であるから、破損や損耗の心配がなく保守が容易である。   The carbide take-out device below the inside of the carbonization furnace is a lattice-shaped fixed bar and a rotating disk in the vicinity thereof, and in some cases, a structure is provided in which a rotating bar is provided in the vicinity of the lattice-shaped fixed bar. Because of such a simple structure, there is no fear of breakage or wear, and maintenance is easy.

炭化炉内部の木チップ等有機材料を還元状態で焼成炭化するために設けられる加熱ガス供給口は、炭化炉循環配管に接続した炭化炉取巻き分岐管から円錐壁の円周上の複数箇所に設けて、焼成の均一化を計っている。 Heating gas supply ports provided to burn and carbonize organic materials such as wood chips inside the carbonization furnace in a reduced state are provided at multiple locations on the circumference of the cone wall from the carbonization furnace surrounding branch pipe connected to the carbonization furnace circulation pipe The firing is made uniform.

上記構成の本発明有機材料炭化装置によると、炭化炉に供給する熱源である排出ガス燃焼炉からの廃熱を利用して、オンドル付原料置場、乾燥機を加熱するため、装置全体の熱効率がよい。炭化炉から排出するタール分も排出ガス燃焼炉で高温焼成して熱変換すると共に従来のようにタール分を回収しないので、これに伴う装置の汚れを防止する。特に、炭化炉や排ガス排出口及びそれに続く配管の汚れが防止できて、装置の定期補修が簡単となる。また、炭化炉の構造改良により、炉内でのブリッジ形成が皆無になり、均一な、かつ、水蒸気活性化により活性炭に近い炭化物を効率よく生産することができる。   According to the organic material carbonization apparatus of the present invention configured as described above, the waste heat from the exhaust gas combustion furnace, which is a heat source to be supplied to the carbonization furnace, is used to heat the raw material storage with an ondol and the dryer. Good. The tar content discharged from the carbonization furnace is also heat-converted by high-temperature firing in the exhaust gas combustion furnace, and the tar content is not recovered as in the prior art, thereby preventing contamination of the apparatus. In particular, the carbonization furnace, the exhaust gas discharge port and the subsequent piping can be prevented from being contaminated, and the periodic repair of the apparatus is simplified. Moreover, the structure improvement of the carbonization furnace eliminates the formation of bridges in the furnace, and it is possible to efficiently produce carbide that is uniform and close to activated carbon by steam activation.

以下、図面によって、本発明の有機材料炭化装置及び炭化炉の実施形態を木チップを例にして具体的かつ詳細に説明する。図１は有機材料炭化装置全体の概略フロー図であり、図２は炭化炉の縦断面図、図３は図２中のＡ−Ａ相当断面図である。図４は他の実施例を示す有機材料炭化装置の要部破断側面図であり、図５は図４の要部平面図である。     DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an organic material carbonization apparatus and a carbonization furnace according to the present invention will be described specifically and in detail by taking a wood chip as an example with reference to the drawings. FIG. 1 is a schematic flow diagram of the whole organic material carbonization apparatus, FIG. 2 is a longitudinal sectional view of a carbonization furnace, and FIG. 3 is a sectional view corresponding to AA in FIG. FIG. 4 is a cutaway side view of an essential part of an organic material carbonization apparatus showing another embodiment, and FIG. 5 is a plan view of the essential part of FIG.

本発明の有機材料炭化装置は、後述する炭化炉の構造にも特徴が見られるが、全体的な各装置の組み合わせに種々改良が加えられている。すなわち、図１の全体フロー図に示すように、木材等原料は通常水分を大量に含むので、その保管場所となる木材等原料置場１はその床面をオンドル２とし、炭化炉６で発生する廃熱ガスを利用して原料の予備乾燥をする。予備乾燥された木チップ等は、破砕機３、乾燥機４、供給機５から炭化炉６へ供給される。炭化炉６には２基の第１排出ガス燃焼炉７と第２排出ガス燃焼炉８が配置され、以上の各部を主たる装置構成部材としている。第１、第２の排出ガス燃焼炉７，８では、炭化炉６からの排出ガス中の木酢液まで高温焼成し、この第１排出ガス燃焼炉７からの高温排ガスを再び炭化炉６へ戻し、第２排出ガス燃焼炉８からの高温排ガスを原料置場１及び乾燥機４へ供給するための供給配管を設けてなる炭化装置である。したがって、後述するように、排ガス中に含まれる木酢液や木タール分の排出がないので、装置汚染や配管詰まり等がなく、清潔、かつ悪臭公害もない装置となっている。   The organic material carbonization apparatus of the present invention is also characterized by the structure of the carbonization furnace described later, but various improvements have been made to the overall combination of the apparatuses. That is, as shown in the overall flow chart of FIG. 1, the raw material such as wood usually contains a large amount of moisture, so that the raw material storage place 1 as a storage place is made in the carbonization furnace 6 with the floor surface being the ondle 2. Pre-drying of raw materials using waste heat gas. The pre-dried wood chips and the like are supplied from the crusher 3, the dryer 4, and the feeder 5 to the carbonization furnace 6. Two first exhaust gas combustion furnaces 7 and a second exhaust gas combustion furnace 8 are arranged in the carbonization furnace 6, and the above-described parts are the main constituent members. In the first and second exhaust gas combustion furnaces 7 and 8, the high temperature exhaust gas from the first exhaust gas combustion furnace 7 is returned to the carbonization furnace 6 again by high-temperature firing up to the pyroligneous acid in the exhaust gas from the carbonization furnace 6. The carbonization apparatus is provided with a supply pipe for supplying high temperature exhaust gas from the second exhaust gas combustion furnace 8 to the raw material storage 1 and the dryer 4. Therefore, as will be described later, since there is no discharge of pyroligneous acid and wood tar contained in the exhaust gas, there is no equipment contamination, piping clogging, etc., and the apparatus is clean and free from bad odor pollution.

炭化炉６への木材等原料はオンドル２の床面にトラック等で搬入堆積して水切りと共に加温して水分を蒸発させ、チップ化に適当な状態とする。原料はショベルローダ等で破砕機３に投入し破砕物はスクリューコンベア等で高所の供給ホッパからロータリーキルン型の木チップ等の乾燥機４へ投入する。乾燥機４から出た乾燥後の木チップ等は、振動篩９を内蔵した供給機５で必要により粒子の大きさを揃えてバケットコンベア10等により炭化炉６上部の二重ダンパ11付ホッパ12へ輸送される。二重ダンパ11は原料チップを炭化炉６へ投入の際に炭化炉内部を外部から空気遮断して還元雰囲気を維持するために設けられている。炭化後の炭は下方から排出されて、スクリューコンベア13等で製品ストッカ14へ移送される。   Raw materials such as wood to the carbonization furnace 6 are loaded and deposited on the floor surface of the ondol 2 by a truck or the like, heated with draining to evaporate the water, and put into a state suitable for chip formation. The raw material is put into the crusher 3 with a shovel loader or the like, and the crushed material is put into the dryer 4 such as a rotary kiln type wood chip from a high supply hopper with a screw conveyor or the like. The dried wood chips, etc., coming out of the dryer 4 are arranged in a particle size by a feeder 5 having a built-in vibrating screen 9, and the hopper 12 with a double damper 11 on the top of the carbonization furnace 6 is prepared by a bucket conveyor 10 or the like. To be transported to. The double damper 11 is provided to maintain the reducing atmosphere by shutting off the inside of the carbonization furnace from the outside when the raw material chips are charged into the carbonization furnace 6. The charcoal after carbonization is discharged from below and transferred to the product stocker 14 by the screw conveyor 13 or the like.

前述のように、炭化炉６には排出ガス燃焼炉を２基備え、第１排出ガス燃焼炉７は炭化炉６加熱用とし、第２排出ガス燃焼炉８は廃材及び木チップ等の乾燥用として、これら２基の排出ガス燃焼炉でもって排出ガス中の木酢液等木タール成分まで高温焼却を十分にし、かつ、木材原料の乾燥及び炭化を十分に達成できる有機材料炭化装置としている。   As described above, the carbonization furnace 6 includes two exhaust gas combustion furnaces, the first exhaust gas combustion furnace 7 is used for heating the carbonization furnace 6, and the second exhaust gas combustion furnace 8 is used for drying waste materials, wood chips, and the like. In these two exhaust gas combustion furnaces, the organic material carbonization apparatus can sufficiently incinerate wood tar components such as wood vinegar liquid in the exhaust gas, and can sufficiently achieve drying and carbonization of the wood raw material.

次に各種供給配管を含む木材原料から炭化製品に到るまでの配管フローにつき、図１を参照しながら説明する。炭化炉６へは排出ガスを吸引ブロワ15と第１排出ガス燃焼炉７を介して循環させる炭化炉循環配管16がある。また、この第１排出ガス燃焼炉７への炭化炉循環配管16から分岐して第２排出ガス燃焼炉８への原料乾燥配管17を設けている。第２排出ガス燃焼炉８からは二手に分かれて原料置場１のオンドル配管18と木チップ等の乾燥機５への乾燥機配管19を設けている。オンドル２又は乾燥機４からは排気配管20となり、バッグフィルタ等の排煙浄化装置21を経て排気ガスは大気中へ放出される。   Next, a piping flow from wood raw materials including various supply pipes to carbonized products will be described with reference to FIG. The carbonization furnace 6 has a carbonization furnace circulation pipe 16 for circulating the exhaust gas through the suction blower 15 and the first exhaust gas combustion furnace 7. Further, a raw material drying pipe 17 to the second exhaust gas combustion furnace 8 is provided branched from the carbonization furnace circulation pipe 16 to the first exhaust gas combustion furnace 7. The second exhaust gas combustion furnace 8 is divided into two parts, an ondol pipe 18 of the raw material storage 1 and a dryer pipe 19 to the dryer 5 such as a wood chip. An exhaust pipe 20 is provided from the ondol 2 or the dryer 4, and the exhaust gas is discharged into the atmosphere through a smoke purification device 21 such as a bag filter.

排出ガス燃焼炉７，８は、上記のように木酢液まで燃焼させるから、従来の炭化炉加熱のみのものに比較して、バーナ数を増やして、加熱容量の大きい燃焼装置となっている。   Since the exhaust gas combustion furnaces 7 and 8 combust up to the pyroligneous acid solution as described above, the combustion apparatus has a large heating capacity by increasing the number of burners as compared with the conventional carbonization furnace heating alone.

本発明の炭化炉６にあっては、図２又は図３に示すように、特に改良を加えた装置であって、上方に木チップ供給口22及び排ガス排出口23を、下方に炭化物取出装置24及び炭化物排出口25を、側面下方に加熱ガス供給口26を設けた点は特に変更はないが、炭化炉６本体の内壁が下方に広がる円錐壁27としたことを特徴とする。円錐壁27は、図２の断面図に示すように、下方に広がるテーパ状であって、例えば、円錐壁27の高さが2.5ｍの場合、その直径が上部で1.1ｍ、下部で1.2ｍ程度の拡大で十分なブリッジ防止効果が得られている。このことにより、炭化途中で原料のブリッジ形成による原料詰まりがなくなり、連続供給、連続排出が円滑に行えるようになったのである。   In the carbonization furnace 6 of the present invention, as shown in FIG. 2 or FIG. 3, a device with particular improvements is provided, in which the wood chip supply port 22 and the exhaust gas discharge port 23 are arranged upward, and the carbide take-out device is arranged downward. 24 and the carbide discharge port 25 are not particularly changed in that the heating gas supply port 26 is provided below the side surface, but the inner wall of the main body of the carbonization furnace 6 is a conical wall 27 extending downward. As shown in the cross-sectional view of FIG. 2, the conical wall 27 has a tapered shape that extends downward. For example, when the height of the conical wall 27 is 2.5 m, the diameter is 1.1 m at the top and 1.2 m at the bottom. Sufficient bridging prevention effect is obtained by expanding the degree. As a result, the clogging of the raw material due to the bridge formation of the raw material is eliminated during carbonization, and continuous supply and continuous discharge can be performed smoothly.

また、炭化炉６内部下方の炭化物取出装置24は回転円盤型であり、これと同軸に炭化物取出装置24上方へ撹拌円盤又は撹拌翼からなる撹拌機28を設ける構造にする。炭化炉６本体の内壁が下方に広がる円錐壁27としているので、撹拌機28がなくてもブリッジ防止効果が得られているが、撹拌機28を設けるとなおよい。撹拌機28の構造も簡単な円盤や撹拌羽根あるいは単なる放射状のバーでよいので、設備費もかさまない。   Further, the carbide take-out device 24 below the inside of the carbonizing furnace 6 is a rotary disk type, and a structure in which a stirrer 28 composed of a stirring disk or a stirring blade is provided above the carbide take-out device 24 coaxially therewith. Since the inner wall of the main body of the carbonization furnace 6 is the conical wall 27 extending downward, the bridge preventing effect is obtained without the agitator 28, but it is more preferable to provide the agitator 28. The structure of the stirrer 28 may be a simple disk, a stirring blade, or a simple radial bar, so that the equipment cost does not increase.

炭化炉内部の木チップを還元状態で焼成炭化するための加熱ガス供給口26は、円錐壁27の円周上の複数箇所に設ける。図３は図２のＡ−Ａ断面で示したものであるが、この場合は３方向に炭化炉循環配管16から取巻き分岐管29によって3個所の加熱ガス供給口26に加熱ガスを分配している。   Heated gas supply ports 26 for firing and carbonizing the wood chips inside the carbonization furnace in a reduced state are provided at a plurality of locations on the circumference of the conical wall 27. FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2. In this case, the heating gas is distributed in three directions from the carbonization furnace circulation pipe 16 to the three heating gas supply ports 26 by the surrounding branch pipe 29. Yes.

本発明の有機材料炭化装置は、オンドル付原料置場、木材破砕機、木チップ乾燥機、木チップ供給機、炭化炉及び該炭化炉からの排出ガス燃焼炉とからなり、該排出ガス燃焼炉では排出ガス中の木酢液や木タール分まで高温焼成し、該高温排ガスを炭化炉、原料置場及び乾燥機へ供給する供給配管を設けてなる有機材料炭化装置である。   The organic material carbonization apparatus of the present invention comprises a raw material storage with ondol, a wood crusher, a wood chip dryer, a wood chip feeder, a carbonization furnace, and an exhaust gas combustion furnace from the carbonization furnace. In the exhaust gas combustion furnace, It is an organic material carbonization device provided with supply piping that bakes at high temperature up to pyroligneous acid and wood tar in exhaust gas and supplies the high-temperature exhaust gas to a carbonization furnace, a raw material storage, and a dryer.

ここで更に、本装置の性能を高めるため、図４の要部側面図及び図５に示す図４の要部平面図にみられるように、第１排出ガス燃焼炉７には、その上部に水蒸気発生器30を設け、この水蒸気発生器30からの水蒸気配管31を炭化炉６の加熱ガス供給口26及び排ガス排出口23に通ずる炭化炉循環配管16へ結合して、炭化炉においては水蒸気の導入により、炭化物を活性化することができ、かつ炭化炉６から発生するタール分の配管への付着を防止する。水蒸気配管31は必要により、第２排出ガス燃焼炉８へ通じる原料乾燥配管17へも連結すると、上記と同様に配管内の浄化ができる。   Here, in order to further improve the performance of the present apparatus, the first exhaust gas combustion furnace 7 has an upper portion as shown in the side view of the main part of FIG. 4 and the plan view of the main part of FIG. 4 shown in FIG. A steam generator 30 is provided, and a steam pipe 31 from the steam generator 30 is connected to a carbonization furnace circulation pipe 16 that leads to a heating gas supply port 26 and an exhaust gas discharge port 23 of the carbonization furnace 6. By introducing, the carbide can be activated and adhesion of tar generated from the carbonization furnace 6 to the pipe is prevented. If necessary, if the steam pipe 31 is connected to the raw material drying pipe 17 leading to the second exhaust gas combustion furnace 8, the inside of the pipe can be purified in the same manner as described above.

水蒸気発生器30は、第１排出ガス燃焼炉７とその上方の煙道32との間に設置して、排ガスの冷却をも兼ねる蛇管コンデンサ方式の一種の熱交換器である。したがって、水道管33からの水は、蛇管で水蒸気化して水蒸気配管31へと導き、炭化炉循環配管16内にタール分が付着するのを防止すると共に、炭化炉６内で生成する炭化物の水蒸気賦活活性化ができるのである。   The water vapor generator 30 is a kind of heat exchanger of the conical tube condenser type that is installed between the first exhaust gas combustion furnace 7 and the flue 32 above the first exhaust gas combustion furnace 7 and also serves to cool the exhaust gas. Accordingly, the water from the water pipe 33 is vaporized by a serpentine pipe and led to the steam pipe 31 to prevent the tar from adhering to the carbonization furnace circulation pipe 16 and the water vapor of the carbide generated in the carbonization furnace 6. Activation activation is possible.

水蒸気発生器30で熱交換した排ガスは煙道32へと導くが、この煙道32には、下方が解放した外筒34との二重構造として、サイフォンにより空気を導入することで煙道の過熱を防止し、かつ排ガスの希釈をして、バグフィルタの目詰まりを緩和させる。排ガスは大気放出する。場合により、大気放出の途中に、先に述べたオンドル２で熱交換をしてもよい。   The exhaust gas heat-exchanged by the water vapor generator 30 is led to the flue 32. In this flue 32, air is introduced by a siphon as a double structure with the outer cylinder 34 opened downward, and the flue Prevents overheating and dilutes exhaust gas to alleviate clogging of the bag filter. The exhaust gas is released into the atmosphere. In some cases, heat exchange may be performed by the ondol 2 described above during the release of the atmosphere.

本発明に係る有機材料炭化装置は、伐採木材の製材屑や木造建築物の解体廃材等を破砕した木材チップあるいは製材時に発生するオガクズ等の有機材料の炭化装置として開発したものではあるが、高温の排出ガス燃焼炉を備えているので、下水道処理場からの有機汚泥や家畜糞等の高水分、高臭気をもつ有機汚泥等、多くの有機材料の炭化装置として再資源化に効果的である。得られた炭化物は安価かつ大量に供給できるので、水質浄化材、消臭剤、土壌改良材等としても有効活用できるのである。   The organic material carbonization apparatus according to the present invention has been developed as a carbonization apparatus for organic materials such as sawdust and sawdust generated at the time of lumbering, which is obtained by crushing sawn timber from felled wood and demolition waste from wooden buildings. It is effective for recycling as a carbonization device for many organic materials such as organic sludge from sewage treatment plants and organic sludge with high moisture and odor such as livestock excreta. . Since the obtained carbide can be supplied at low cost and in large quantities, it can be effectively used as a water purification material, deodorant, soil improvement material, and the like.

有機材料炭化装置の概略フロー図である。It is a schematic flowchart of an organic material carbonization apparatus. 炭化炉の縦断面図である。It is a longitudinal cross-sectional view of a carbonization furnace. 図２中のＡ−Ａ相当断面図である。It is AA equivalent sectional drawing in FIG. 他の実施例を示す有機材料炭化装置の要部破断側面図である。It is a principal part fracture side view of the organic-material carbonization apparatus which shows another Example. 図４の要部平面図である。It is a principal part top view of FIG.

符号の説明Explanation of symbols

１ 原料置場
２ オンドル
３ 破砕機
４ 乾燥機
５ 供給機
６ 炭化炉
７ 第１排出ガス燃焼炉
８ 第２排出ガス燃焼炉
９ 振動篩
10 バケットコンベア
11 二重ダンパ
12 ホッパ
13 スクリューコンベア
14 製品ストッカ
15 吸引ブロワ
16 炭化炉循環配管
17 原料乾燥配管
18 オンドル配管
19 乾燥機配管
20 排気配管
21 排煙浄化装置
22 木チップ供給口
23 排ガス排出口
24 炭化物取出装置
25 炭化物排出口
26 加熱ガス供給口
27 円錐壁
28 撹拌機
29 取巻き分岐管
30 水蒸気発生器
31 水蒸気配管
32 煙道
33 水道管
34 外筒 DESCRIPTION OF SYMBOLS 1 Raw material place 2 Ondol 3 Crusher 4 Dryer 5 Feeder 6 Carbonization furnace 7 1st exhaust gas combustion furnace 8 2nd exhaust gas combustion furnace 9 Vibrating sieve
10 Bucket conveyor
11 Double damper
12 Hopper
13 Screw conveyor
14 Product stocker
15 Suction blower
16 Carbonization furnace circulation piping
17 Raw material drying piping
18 Ondol piping
19 Dryer piping
20 Exhaust piping
21 Flue gas purification device
22 Wood chip supply port
23 Exhaust gas outlet
24 Carbide extractor
25 Carbide outlet
26 Heating gas supply port
27 conical wall
28 Stirrer
29 Surrounding branch pipe
30 Steam generator
31 Steam piping
32 Flue
33 Water pipe
34 outer cylinder

Claims (3)

オンドル付原料置場、破砕機、乾燥機、破砕物供給機、炭化炉及び該炭化炉からの排出ガス燃焼炉とからなり、該排出ガス燃焼炉では排出ガス中のタール分まで高温焼成し、該高温排ガスを炭化炉、原料置場及び乾燥機へ供給する供給配管を設けてなる有機材料炭化装置であって、
排出ガス燃焼炉を２基備え、１基は炭化炉加熱用とし、他の１基は有機材料の乾燥用としてなり、
排出ガス燃焼炉には、水蒸気発生器を設け、該水蒸気発生器からの水蒸気配管を炭化炉の加熱ガス供給口及び排ガス排出口に結合してなることを特徴とする有機材料炭化装置。 It consists of a raw material storage with ondol, a crusher, a dryer, a crushed material supply machine, a carbonization furnace and an exhaust gas combustion furnace from the carbonization furnace. In the exhaust gas combustion furnace, high-temperature firing is performed up to the tar content in the exhaust gas, An organic material carbonization apparatus provided with a supply pipe for supplying high-temperature exhaust gas to a carbonization furnace, a raw material storage and a dryer ,
Two exhaust gas combustion furnaces are provided, one for heating the carbonization furnace, the other for drying organic materials,
An organic material carbonization apparatus comprising: a steam generator provided in an exhaust gas combustion furnace; and a steam pipe from the steam generator coupled to a heating gas supply port and an exhaust gas discharge port of the carbonization furnace . 炭化炉は、上方に有機材料供給口及び排ガス排出口を、下方に炭化物排出装置を、側面下方に加熱ガス供給口を設けた縦型炭化炉であって、該炭化炉本体の内壁がブリッジ形成防止のための下方に広がる円錐壁としてなる請求項１記載の有機材料炭化装置。 The carbonization furnace is a vertical carbonization furnace in which an organic material supply port and an exhaust gas discharge port are provided above, a carbide discharge device is provided below, and a heating gas supply port is provided below the side surface. The inner wall of the carbonization furnace body forms a bridge. 2. The organic material carbonization apparatus according to claim 1, wherein the organic material carbonization apparatus is formed as a conical wall extending downward for prevention . 炭化炉の加熱ガス供給口は、炭化炉循環配管に接続した炭化炉取巻き分岐管から円錐壁の円周上の複数箇所に設けてなる請求項２記載の有機材料炭化装置。 The organic material carbonization apparatus according to claim 2 , wherein the heating gas supply ports of the carbonization furnace are provided at a plurality of locations on the circumference of the conical wall from the carbonization furnace surrounding branch pipe connected to the carbonization furnace circulation pipe .
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