JP4539329B2 - Reduced pressure continuous pyrolysis apparatus and reduced pressure continuous pyrolysis method - Google Patents

Reduced pressure continuous pyrolysis apparatus and reduced pressure continuous pyrolysis method Download PDF

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JP4539329B2
JP4539329B2 JP2004383009A JP2004383009A JP4539329B2 JP 4539329 B2 JP4539329 B2 JP 4539329B2 JP 2004383009 A JP2004383009 A JP 2004383009A JP 2004383009 A JP2004383009 A JP 2004383009A JP 4539329 B2 JP4539329 B2 JP 4539329B2
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宣明 出張
法明 出張
浩康 出張
敞于 遠藤
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宣明 出張
株式会社環境技術総合研究所
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/40Valorisation of by-products of wastewater, sewage or sludge processing

Description

本発明は、不衛生で変質しやすい高含水率の家畜糞尿や下水汚泥等を連続的に処理する家畜糞尿の減圧連続熱分解処理装置に関する。  The present invention relates to a reduced-pressure continuous pyrolysis treatment apparatus for livestock manure that continuously treats unclean and easily denatured high water content livestock manure, sewage sludge, and the like.

家畜糞尿や下水汚泥は堆肥化処理され有機質肥料として大量に耕作地に投入されてきたが、その土中での分解率は年間30%程度で残余の70%は翌年に持ち越されるため、耕作地では養分の集積や物質循環機能が低下し、生物相の貧困化による劣化耕地現象が生じ過剰な環境負担が恒久化すると共に、下流流域では環境汚染の原因とされ社会的問題となりその解決方法が検討されてきた。家畜糞尿は乳牛の場合一日約70kg排泄するため、その発生量は多大で、処理方法として爆気処理法では、装置自体が大規模で高価でありその導入設事例は少ない。又、悪臭と汚泥が大量に発生しその処理費用は高価となるため、衛生的でランニングコストの低い家畜糞尿の処理システムが要望されていた。  Livestock manure and sewage sludge have been composted and a large amount of organic fertilizer has been put into the cultivated land, but its decomposition rate in the soil is about 30% annually, and the remaining 70% is carried over to the following year. However, the accumulation of nutrients and the function of material circulation decline, the deterioration of cultivated land due to the poorness of biota and permanent environmental burdens, and the downstream basin causes environmental pollution and becomes a social problem. Has been studied. In the case of dairy cattle, about 70 kg of animal manure is excreted per day, and the amount of generation is great. In the explosive treatment method, the apparatus itself is large and expensive, and there are few examples of its installation. In addition, since a large amount of bad odor and sludge is generated and the cost for the treatment becomes expensive, a treatment system for livestock manure which is hygienic and low in running cost has been demanded.

又、従来の公知技術として、家畜糞尿を加熱乾燥して含水率を低下させ炭化処理して有機質肥料にする方法として、縦型の外部加熱式や縦型で内部と底面加熱の複合した炭化装置が知られている。これらの方式では脱水した家畜糞尿を縦型筒内に挿入して攪拌羽で攪拌しながら炭化するため、処理物と空気との接触が多く、処理物が必要以上に燃焼されるため得られる炭化物が少ない。更に、燃焼に伴って有害物質が外部に排出されるため、環境基準をみたすには排煙処理装置が大型となりその改善が要求されていた。  In addition, as a conventional well-known technique, as a method of heating and drying livestock manure to reduce the water content and carbonizing to produce organic fertilizer, a vertical external heating type or a vertical type combined carbonization device with internal and bottom heating It has been known. In these methods, dehydrated livestock manure is inserted into a vertical cylinder and carbonized while stirring with stirring blades, so there is much contact between the processed product and air, and the processed product is burned more than necessary. Less is. Furthermore, since harmful substances are discharged to the outside with combustion, the flue gas treatment device has become large in order to meet environmental standards, and its improvement has been required.

そして、処理物を横型筒内に挿入して燃焼バ−ナ−で炭化させる装置として、内燃焼式ロ−タリ−炭化炉や内燃焼式摺動炭化炉が知られている(例えば、特許文献1参照)。然し乍ら、この内燃焼式炭化装置は炉内部で燃焼させて炭化するため処理物と空気との接触が多く、処理物が必要以上に燃焼し得られる炭化物が少なく、更に燃焼に伴って有害物質が外部に排出されるため、排煙処理装置が大型となりその改善が要求されていた。  And as an apparatus which inserts a processed material in a horizontal cylinder and carbonizes with a combustion burner, an internal combustion type rotary carbonization furnace and an internal combustion type sliding carbonization furnace are known (for example, patent documents) 1). However, since this internal combustion type carbonization device burns and carbonizes inside the furnace, there is much contact between the processed material and air, and there is little carbide that can be burned more than necessary, and there are also harmful substances accompanying combustion. Since it is discharged to the outside, the smoke treatment apparatus has become large and its improvement has been demanded.

更に、処理物を横型筒内のロ−タリ−キルンに挿入して外部より燃焼バ−ナ−で加熱した熱風により炉内に導き回転するロ−タリ−キルンを昇温加熱させて炭化させる装置として、外燃焼式ロ−タリ−キルン炭化装置が知られている(例えば、特許文献2参照)。然し乍ら、この方式では処理物を間接的に外部より加熱しているため、熱効率が悪く処理に多くのエネルギ−を必要とするためその改善が要求されていた。  Furthermore, the apparatus which inserts the processed material into the rotary kiln in the horizontal cylinder and heats and heats the rotating rotary kiln which is guided into the furnace by hot air heated from the outside by a combustion burner and carbonized. As an example, an external combustion type rotary kiln carbonization apparatus is known (see, for example, Patent Document 2). However, in this system, since the processed material is indirectly heated from the outside, the heat efficiency is low and a lot of energy is required for the processing, so that the improvement is required.

更に又、炭化処理室を3室に画成し、炭化室で発生した熱分解ガスを第1室の乾燥室に導いて乾燥させ、第2室の付火室で不完全燃焼させ、第3室の炭化室で再燃焼させるものが知られている(例えば、特許文献3参照)。然し乍ら、この方法でも処理物を直接燃焼させて炭化するため処理物と空気の接触が多く、処理物が必要以上に燃焼して得られる炭化物は少なく更に、燃焼に伴って有害物質が外部に排出されるため、排煙処理装置が大型となるためその改善が求められていた。  Further, the carbonization chamber is divided into three chambers, the pyrolysis gas generated in the carbonization chamber is guided to the drying chamber of the first chamber and dried, and incompletely combusted in the ignition chamber of the second chamber. What is recombusted in the carbonization chamber of a chamber is known (for example, refer patent document 3). However, even in this method, the treated product is directly combusted and carbonized, so there is much contact between the treated product and air, and the treated product is burned more than necessary. Further, harmful substances are discharged to the outside with combustion. Therefore, since the flue gas treatment apparatus becomes large, its improvement has been demanded.

又更に、家畜糞尿を脱水し、脱水した糞尿をメタン発酵槽に投入してメタン発酵菌によりメタンガスを発生させてガス改質器によりアンモニア等の不純物を除去しガスタンクに貯留してガスエンジンで発電させる方法が知られているが、発酵を終了した消化液は微生物を用いた活性汚泥法による排水処理装置で高度な処理をして放流レベルまで浄化し排水し、排水処理後の汚泥には凝縮剤を添加して固液分離させた汚泥は産業廃棄物として産廃処理業者に処理を委託するためランニングコストや装置費の削減が要求されていた。  In addition, livestock manure is dehydrated, the dehydrated manure is put into a methane fermentation tank, methane gas is generated by methane fermentation bacteria, impurities such as ammonia are removed by a gas reformer, and stored in a gas tank and generated by a gas engine. However, digested liquid that has been fermented is subjected to advanced treatment with a wastewater treatment device using activated sludge method using microorganisms to purify it to discharge level, drain it, and condense into sludge after wastewater treatment. Sludge that has been separated into solid and liquid by adding an agent has been required to reduce running costs and equipment costs because it is entrusted to industrial waste processors as industrial waste.

特許第2870627号公報Japanese Patent No. 2870627 特開2002−356319号公報JP 2002-356319 A 特開平9−137167号公報JP-A-9-137167

以上述べた如く、従来の家畜糞尿や汚泥の適正な処理方法は、多量に発生する糞尿の増加と耕地への還元が、養分集積・物質循環機能の低下・生物層の貧困化などにより環境に対する過剰な負担を恒久化させている。又、平成16年11月より家畜排泄物法の全面施行で家畜糞尿の適正な処理が義務づけられ、その処理装置が必要とされている。  As described above, the conventional method for treating livestock manure and sludge is to increase the amount of manure generated and return to cultivated land. The excessive burden is made permanent. In addition, since November 2004, the livestock excretion law has been fully enforced, and proper treatment of livestock manure has been obligatory, and a treatment device for the same has been required.

本発明は、従来公知の家畜糞尿の処理装置では導入が困難であったが、小型で低価格の処理装置を提供することにより、家畜糞尿を減圧状態で熱分解処理して活性炭やフミン物とし、農業環境を保全する環境修復資材や有機物肥料として有効利用が可能な家畜糞尿の熱処理物を簡単に製造できる家畜糞尿の減圧連続熱分解処理装置の提供を目的とする。  Although the present invention has been difficult to introduce in a known livestock manure processing apparatus, by providing a small and low-cost processing apparatus, the livestock manure is pyrolyzed under reduced pressure to obtain activated carbon or humic substances. An object of the present invention is to provide a reduced pressure continuous pyrolysis treatment apparatus for livestock manure that can easily produce heat treatment products of livestock manure that can be effectively used as environmental restoration materials and organic fertilizers for preserving the agricultural environment.

本発明は上記の目的を達成するために、被処理物を移送するためのコンベヤスクリュ−を内装した、圧搾造粒室、減圧乾燥室、減圧熱処理室、賦活処理室からなる加熱円筒管において、減圧乾燥室、減圧熱処理室、賦活処理室の夫々の間には開口窓を有する隔壁板で区画され、この隔壁板には回転ロ−タリ−弁が施設され、賦活処理室と排出口の間には回転リング弁が施設された移送機構とから成るものである。  In order to achieve the above object, the present invention provides a heated cylindrical tube comprising a compression granulation chamber, a vacuum drying chamber, a vacuum heat treatment chamber, and an activation treatment chamber equipped with a conveyor screw for transferring an object to be processed. Each of the vacuum drying chamber, the vacuum heat treatment chamber, and the activation treatment chamber is partitioned by a partition plate having an opening window, and a rotary rotary valve is provided on the partition plate between the activation treatment chamber and the discharge port. Consists of a transfer mechanism provided with a rotating ring valve.

本発明の第2の目的を達成するために、減圧連続熱分解処理装置に内装するコンベヤスクリュ−は、減圧乾燥室、減圧熱処理室、賦活処理室の夫々の中間位置に、処理物のコンベヤスクリュ−による加熱円筒管内での移動量を抑制し滞留時間を制御するリングセパレ−タ−を設けた移送機構とから成るものである。  In order to achieve the second object of the present invention, a conveyor screw incorporated in a reduced-pressure continuous pyrolysis apparatus is a conveyor screw for processed material at an intermediate position between a reduced-pressure drying chamber, a reduced-pressure heat treatment chamber, and an activation treatment chamber. And a transfer mechanism provided with a ring separator that suppresses the amount of movement in the heated cylindrical tube and controls the residence time.

本発明の第3の目的を達成するために、減圧連続熱分解処理装置に内装するコンベヤスクリュ−には、加熱気体媒体を供給可能な中空であり、該コンベヤスクリュ−には噴射翼を軸着したボ−ル弁を内装した噴射孔を設け下方向の位置だけで、噴射孔から被処理物に熱風や蒸気などの加熱気体媒体を噴出する弁機構とから成るものである。  In order to achieve the third object of the present invention, the conveyor screw built in the reduced-pressure continuous pyrolysis treatment apparatus is hollow so that a heated gas medium can be supplied, and an injection blade is axially attached to the conveyor screw. The valve mechanism is provided with an injection hole in which the ball valve is provided and only a downward position is provided to eject a heated gas medium such as hot air or steam from the injection hole to the object to be processed.

本発明の第4の目的を達成するために、減圧連続熱分解処理装置において、被処理物を造粒するための圧搾造粒室が減圧乾燥室の前に連設され、圧搾造粒室と減圧乾燥室の間は被処理物を圧入する成形孔を有した目皿隔壁板で区画し、この目皿隔壁板には回転ナイフが施設され被処理物を造粒する機構とから成るものである。  In order to achieve the fourth object of the present invention, in the reduced-pressure continuous pyrolysis treatment apparatus, a pressing granulation chamber for granulating the object to be processed is provided in front of the reduced-pressure drying chamber, The vacuum drying chamber is partitioned by a countersunk partition plate having a molding hole for press-fitting the object to be processed, and this eyelet partition plate is provided with a rotating knife and a mechanism for granulating the object to be processed. is there.

本発明の第5の目的を達成するために、被処理物を造粒するための圧搾造粒室が加熱円筒管に垂設に連設され、被処理物に加熱気体媒体を供給可能な噴射翼を軸着した中空のコンベヤスクリュ−を内装し、圧搾造粒室の側壁にバイブレ−タ−と減圧脱水装置を設けて被処理物を造粒する機構とから成るものである。  In order to achieve the fifth object of the present invention, a pressure granulation chamber for granulating a workpiece is connected to the heated cylindrical tube so as to be suspended, and a jet capable of supplying a heated gas medium to the workpiece. It comprises a mechanism for granulating a workpiece by providing a hollow conveyor screw with a blade attached thereto and providing a vibrator and a vacuum dehydrator on the side wall of the compression granulation chamber.

本発明の第6の目的を達成するために、下方一側端に燃焼バ−ナ−と臭気噴出孔及びエジエクタ−を備えた炉体内の上方両側に設けた開口孔に両側端が突出するように横架支承して加熱円筒管を装着して形成し、加熱円筒管の外周に気水回収室と乾留ガス回収室及び乾留ガス加熱器を夫々連設し、排気ガス熱交換器及び蒸気発生器で発生する加熱気体媒体を、中空のコンベヤスクリュ−の端部から供給する移送機構とから成るものである。  In order to achieve the sixth object of the present invention, both ends protrude from opening holes provided on both upper sides of the furnace body having a combustion burner, an odor injection hole and an ejector at one lower end. It is formed by installing a heated cylindrical tube on a horizontal support, and an air / water recovery chamber, dry distillation gas recovery chamber and dry distillation gas heater are connected to the outer periphery of the heated cylindrical tube, respectively, and an exhaust gas heat exchanger and steam generation And a transfer mechanism for supplying a heated gas medium generated by the container from the end of the hollow conveyor screw.

本発明の第7の目的を達成するために、減圧連続熱分解処理装置を用いて、家畜糞尿や下水処理汚泥を熱分解するに際して、減圧熱処理室の内部温度を150〜180℃の恒温状態で芳香環を増加させて腐植化を進行しフミン物に熱処理をしたものである。  In order to achieve the seventh object of the present invention, when pyrolyzing livestock manure and sewage treatment sludge using a reduced pressure continuous pyrolysis treatment apparatus, the internal temperature of the reduced pressure heat treatment chamber is kept at a constant temperature of 150 to 180 ° C. The humic substances are heat-treated by increasing the aromatic ring and proceeding to humification.

上述したように本発明の家畜糞尿の減圧連続熱分解処理装置1は、加熱円筒管4内のコンベヤスクリュ−5により家畜糞尿30を圧搾造粒室24で粒状に加工し、減圧乾燥室26で加熱乾燥して減圧熱処理室27で炭化させ、賦活処理室28で蒸気39により活性化させるため、小型で省エネを達成し、運転操作は家畜糞尿の投入からフミン物や活性炭の排出までが一連の装置で処理できる低価格の減圧連続熱分解処理装置1を提供できた。  As described above, the reduced pressure continuous pyrolysis treatment apparatus 1 for livestock manure of the present invention processes the livestock manure 30 into granules in the pressing granulation chamber 24 by the conveyor screw 5 in the heating cylindrical tube 4, and in the vacuum drying chamber 26. Heat drying and carbonization in the reduced-pressure heat treatment chamber 27 and activation by the steam 39 in the activation treatment chamber 28 achieve a small size and energy saving, and the operation is a series of operations from the input of livestock manure to the discharge of humic substances and activated carbon. The low-cost decompression continuous pyrolysis treatment apparatus 1 that can be processed by the apparatus could be provided.

炉体2に、圧搾造粒室24と、減圧乾燥室26と、減圧熱処理室27と、賦活処理室28の夫々を配置し、炉内3の下部より燃焼バ−ナ−36と、乾留したガスと外気とをエジエクタ−37で混合し炉内で燃焼させることでランニングコストの大幅な削減ができた。併せて、減圧連続熱分解処理装置1をトラックの荷台に積載して家畜糞尿や汚泥の発生場所に運搬し設置するだけで直ちに稼働できるため、減圧連続熱分解処理装置1の設置コストの削減も可能となった。  In the furnace body 2, a pressing granulation chamber 24, a vacuum drying chamber 26, a vacuum heat treatment chamber 27, and an activation processing chamber 28 are arranged, and a combustion burner 36 is dry-distilled from the lower part of the furnace 3. The running cost was greatly reduced by mixing the gas and the outside air with the ejector 37 and burning them in the furnace. At the same time, since the reduced pressure continuous pyrolysis treatment apparatus 1 can be operated immediately simply by loading it on the truck bed and transporting it to a place where livestock manure or sludge is generated, the installation cost of the reduced pressure continuous pyrolysis treatment apparatus 1 can be reduced. It has become possible.

また、悪臭を含んだ外気を炉内3の空気加熱器49で加熱し、中空主軸6を介して圧搾造粒室24と減圧乾燥室26に吹き込み、家畜糞尿30の圧搾脱水と造粒物32の乾燥を促進させ、造粒物32から蒸発した気水を蒸気発生器47で蒸気にし賦活処理室28の炭化物に噴射して活性化した活性炭34は、市販の活性炭の2/3の吸着性能を有し、家畜糞尿や堆肥の脱臭や家畜糞尿汚水の脱色など畜産環境の改善に有効利用できた。  Further, the outside air containing bad odor is heated by the air heater 49 in the furnace 3 and blown into the pressing granulation chamber 24 and the vacuum drying chamber 26 through the hollow main shaft 6, and the dehydration of the livestock manure 30 and the granulated product 32. Activated charcoal 34, which is activated by accelerating the drying of the granulated product 32, steaming the water vapor evaporated from the granulated product 32 with the steam generator 47 and spraying it on the carbide in the activation treatment chamber 28, is 2/3 of the commercially available activated carbon. It can be effectively used to improve livestock environment such as deodorization of livestock manure and compost and decolorization of livestock manure wastewater.

更に、成形した造粒物32を減圧乾燥室26で乾燥して減圧熱処理室27に移送し、造粒物32を減圧した150〜180℃前後の熱分解処理温度の恒温処理で造粒物32に芳香環(グラファイト構造)を増加させて、家畜糞尿や下水汚泥などの造粒物32は腐植化度や窒素と炭素の比率(N/C比)が変わり天然フミン(落葉などの葉腐土が分解して得られる褐色の腐植物質。)と同等な成分のフミン物35が効率的に得られた。  Further, the formed granulated product 32 is dried in the reduced pressure drying chamber 26 and transferred to the reduced pressure heat treatment chamber 27, and the granulated product 32 is subjected to a constant temperature treatment at a thermal decomposition temperature of about 150 to 180 ° C. in which the granulated product 32 is decompressed. By increasing the aromatic ring (graphite structure), granulated products 32 such as livestock manure and sewage sludge change the degree of humification and the ratio of nitrogen and carbon (N / C ratio), and natural humin (leaf decay such as fallen leaves) The brown humic substance obtained by decomposing the humic substance 35) was efficiently obtained.

そのフミン物35は褐色を呈した不均質重合物質で元素組成は、炭素約58%、水素約4%、窒素約2%、灰分2%前後であり有機質肥効果調整肥料として土中の鉄やアルミナによる燐酸固定を和らげる他、土壌改良材や水分保持として利用できた。  The humic substance 35 is a brownish heterogeneous polymer, and its elemental composition is about 58% carbon, about 4% hydrogen, about 2% nitrogen, and about 2% ash. In addition to relieving phosphoric acid fixation by alumina, it could be used as a soil conditioner and moisture retention.

腐植化の恒温熱処理では、圧搾造粒室24で家畜糞尿から圧搾した分離水は蒸気化し、減圧乾燥室26で造粒物32から蒸発した気水は気水分離器54で分離されたアンモニアや硫化水素などの悪臭を含む気体は吸引ポンプ55を介して炉内3の燃焼室に臭気噴出孔42から吹き込んで熱分解処理して消臭し、気水分離器54で分離された清浄な分離水は外部に排出することで家畜糞尿の物質循環が構築され生態系との調和が図れた。  In the isothermal heat treatment for humification, the separated water squeezed from the livestock manure in the squeezing granulation chamber 24 is vaporized, and the steam and water evaporated from the granulated product 32 in the decompression drying chamber 26 is separated from the steam and water separated by the steam separator 54. Gas containing a bad odor such as hydrogen sulfide is blown into the combustion chamber of the furnace 3 through the odor injection hole 42 via the suction pump 55 to be thermally decomposed and deodorized, and the clean separation separated by the steam separator 54 is performed. By discharging water to the outside, a material circulation of livestock manure was constructed and harmonized with the ecosystem.

発明の実施するための最良の形態BEST MODE FOR CARRYING OUT THE INVENTION

家畜糞尿や下水処理汚泥など高含水率の廃棄物を環境修復資材として有機性肥料や活性炭に適正に熱分解処理するという目的を、小型化した家畜糞尿の減圧連続熱分解処理装置を提供することにより実現した。  To provide a miniaturized reduced-pressure continuous pyrolysis treatment device for livestock manure for the purpose of properly pyrolyzing organic fertilizer and activated carbon as waste materials with high water content such as livestock manure and sewage sludge Realized by.

図1は、本発明である家畜糞尿の減圧連続熱分解処理装置の全体構造を示す側断面図でこれに基づいて具体的に説明するが本発明はこれによって限定されるものではない。  FIG. 1 is a side sectional view showing the overall structure of a reduced-pressure continuous pyrolysis treatment apparatus for livestock manure according to the present invention, which will be specifically described based on this, but the present invention is not limited thereto.

本発明に係わる家畜糞尿の減圧連続熱分解処理装置1は、炉体2内の上方両側端に設けた開口孔71が傾斜角を有して両側端が突出するよう横架支承して加熱円筒管4を装着して形成し、下側より燃焼バ−ナ−36と、乾留ガス回収室44で発生した乾留ガスを外気と混合して燃焼バ−ナ−36上部のエジエクタ−37を介して炉内3に吹き込み燃焼させる。加熱円筒管4内に挿入するコンベヤスクリュ−5の中空主軸6の軸端部を、加熱円筒管4の挿入側端部22と排出側端部29の側面に設けたベアリング61を介して回転自在に保持させた移送機構を有している。  The reduced-pressure continuous pyrolysis treatment apparatus 1 for livestock manure according to the present invention is supported by a horizontal cylinder so that the opening holes 71 provided at both upper ends in the furnace body 2 have an inclination angle and both ends protrude, and are heated by a cylinder. A pipe 4 is attached, and the combustion burner 36 from the lower side and the dry distillation gas generated in the dry distillation gas recovery chamber 44 are mixed with the outside air and passed through an ejector 37 above the combustion burner 36. Blow into the furnace 3 and burn. The shaft end portion of the hollow main shaft 6 of the conveyor screw 5 to be inserted into the heating cylindrical tube 4 is rotatable via a bearing 61 provided on the side surface of the insertion side end portion 22 and the discharge side end portion 29 of the heating cylindrical tube 4. A transfer mechanism held by the

含水率80%前後の家畜糞尿30は、投入ホッパ−室56の回転ル−ツ弁57を介して燃焼バ−ナ−36で加熱された加熱円筒管4の圧搾造粒室24内に移送され、押込スクリュ−11で導かれて圧搾スクリュ−12で更に加圧されて含水率が60%以下迄に圧搾処理され、目皿隔壁板20に設けた径12φ前後の逆円錐台形の成形孔10に圧入して固化させる目皿隔壁板20の外側に接して設けた回転ナイフ14には1/8が開放された回転ナイフ開口窓23の部分で背圧により押し出しされ、回転ナイフ開口窓23の側面で切断して丸棒状の造粒物32に成形され減圧乾燥室26に移送させる。  The livestock manure 30 having a water content of about 80% is transferred into the pressing granulation chamber 24 of the heated cylindrical tube 4 heated by the combustion burner 36 through the rotary root valve 57 of the charging hopper chamber 56. The inverted truncated cone shaped hole 10 having a diameter of about 12φ provided in the countersunk partition plate 20 is guided by the pushing screw 11 and further pressed by the pressing screw 12 and pressed to a moisture content of 60% or less. The rotary knife 14 provided in contact with the outside of the eye plate partition plate 20 that is press-fitted into the plate is pushed by back pressure at the portion of the rotary knife opening window 23 that is opened by 1/8. It is cut at the side and formed into a round bar-shaped granulated product 32 and transferred to the vacuum drying chamber 26.

減圧連続熱分解処理装置1周辺の家畜糞尿30が起因する悪臭を含んだ外気を投入ホッパ−室56の上部から吸引し、炉体2上部に設けた排気ガス排出口53に内装した排気ガス熱交換器51で加熱した悪臭の熱風40を加圧ブロワ−60で加圧させ、挿入側端部22からコンベヤスクリュ−5の中空主軸6を介して噴射翼15の先端に設けた噴出孔17から熱風40を圧搾造粒室24で家畜糞尿30に噴射し加熱して圧搾を促進さる。更に、減圧乾燥室26内の造粒物32にも熱風40を噴射して乾燥を促進させ、造粒物32の含水率を30%前後に減圧乾燥させて開口窓21から減圧熱処理室27に移送させる。  Exhaust gas heat built in an exhaust gas discharge port 53 provided in the upper part of the furnace body 2 is sucked from the upper part of the input hopper chamber 56 by the bad air caused by the livestock manure 30 around the decompression continuous pyrolysis treatment apparatus 1. The malodorous hot air 40 heated by the exchanger 51 is pressurized by the pressure blower 60, and from the ejection hole 17 provided at the tip of the ejection blade 15 from the insertion side end portion 22 through the hollow main shaft 6 of the conveyor screw 5. Hot air 40 is sprayed on the livestock manure 30 in the press granulation chamber 24 and heated to accelerate the press. Further, hot air 40 is sprayed onto the granulated product 32 in the vacuum drying chamber 26 to accelerate the drying, and the moisture content of the granulated product 32 is dried under reduced pressure to around 30%, and then from the opening window 21 to the vacuum heat treatment chamber 27. Transport.

減圧乾燥室26内で造粒物32はコンベヤスクリュ−5で攪拌移動しながら減圧乾燥する過程で造粒物32から蒸発した気水は、減圧乾燥室26上部の気水回収室43で集めて減圧連続熱分解処理装置1外部に設置した気水分離器54を介して吸引ポンプ55で吸引し、前記気水分離器54で熱交換してアンモニアを含んだ臭気と水に分離し、臭気は燃焼バ−ナ−36近傍の臭気噴出孔42より炉内3に噴射し熱分解して消臭される。分離した水は炉内3に設けた蒸気発生器47で蒸気39になり賦活処理室28に供給される。  In the vacuum drying chamber 26, the granulated product 32 is collected in the steam / water recovery chamber 43 above the vacuum drying chamber 26 while the granulated product 32 is dried under reduced pressure while being stirred and moved by the conveyor screw 5. The suction / pump 55 is sucked through a steam / water separator 54 installed outside the reduced-pressure continuous pyrolysis treatment apparatus 1, and heat exchange is performed in the steam / water separator 54 to separate the odor containing ammonia and water. It is injected into the furnace 3 from the odor jet hole 42 in the vicinity of the combustion burner 36 and is thermally decomposed to be deodorized. The separated water becomes steam 39 by a steam generator 47 provided in the furnace 3 and is supplied to the activation treatment chamber 28.

減圧熱処理室27内の温度は、炭化に最適な350℃前後の熱処理温度に維持し、造粒物32はコンベヤスクリュ−5の回転によるスクリュ−翼13と掛揚翼16で攪拌移動されながら減圧状態で熱分解されて炭化物33になり賦活処理室28に移送される。賦活処理室28内で炭化物33は、スクリュ−翼13と掛揚翼16で攪拌移動されながら排出側端部29より加熱気体媒体の蒸気39をコンベヤスクリュ−5の中空主軸6を介して噴射翼15の先端噴出孔17から炭化物33に噴射すると炭化物33は蒸気39と効率よく接触して賦活し吸着力を増した多孔質な活性炭34となって活性炭排出口41より外部に排出される。  The temperature in the reduced pressure heat treatment chamber 27 is maintained at a heat treatment temperature of about 350 ° C. optimum for carbonization, and the granulated product 32 is reduced in pressure while being stirred and moved by the screw blade 13 and the lifting blade 16 by the rotation of the conveyor screw 5. In this state, it is pyrolyzed to become a carbide 33 and transferred to the activation treatment chamber 28. In the activation treatment chamber 28, the carbide 33 is agitated and moved by the screw blade 13 and the lifting blade 16, and the vapor 39 of the heated gas medium is ejected from the discharge side end portion 29 through the hollow main shaft 6 of the conveyor screw 5. When the carbide 33 is injected into the carbide 33 from the 15 tip ejection holes 17, the carbide 33 is activated in contact with the steam 39 to be activated and become porous activated carbon 34 with increased adsorption power, and is discharged outside through the activated carbon discharge port 41.

減圧乾燥室26と賦活処理室28とのコンベヤスクリュ−5の中空主軸6には、120度の角度で3分割して噴射翼15を軸着させ噴射翼15の筒内部にはボ−ル弁46が挿入されており、加熱円筒管4の内部ではコンベヤスクリュ−5の回転による重力移動によりボ−ル弁46は下方向位置で開弁する構造であり、噴出孔17から加熱気体媒体の熱風40や蒸気39が下方向位置のみ噴射するため効率良く造粒物32や炭化物33などが暴露処理される。  The hollow main shaft 6 of the conveyor screw 5 of the vacuum drying chamber 26 and the activation treatment chamber 28 is divided into three parts at an angle of 120 degrees, and the injection blades 15 are axially attached. 46 is inserted, and the ball valve 46 is opened in a downward position by the gravitational movement caused by the rotation of the conveyor screw 5 inside the heating cylindrical tube 4. Since 40 and steam 39 are injected only in the downward direction, the granulated product 32 and the carbide 33 are efficiently exposed.

コンベヤスクリュ−5の回転は、挿入側端部22より中空主軸6又は二重中空主軸7をベアリング61部から出した軸端部に駆動スプロケット58を軸着し、駆動チェ−ン63を介して減速駆動モ−タ−62で回転させる。図1はコンベヤスクリュ−5の中空主軸6又は二重中空主軸7は一体であるが、圧搾造粒室24と減圧乾燥室26の回転ナイフ14部の位置で左右に分割しコンベヤスクリュ−5を別々に回転する構成としても良い。  The conveyor screw 5 is rotated by attaching a drive sprocket 58 to the shaft end portion where the hollow main shaft 6 or the double hollow main shaft 7 is extended from the bearing 61 portion from the insertion side end portion 22, and via the drive chain 63. The motor is rotated by the deceleration drive motor 62. In FIG. 1, the hollow main shaft 6 or the double hollow main shaft 7 of the conveyor screw 5 is integrated, but the conveyor screw 5 is divided into right and left at the position of the rotary knife 14 in the pressing granulation chamber 24 and the vacuum drying chamber 26. It is good also as a structure which rotates separately.

減圧連続熱分解処理装置1の運転制御は、家畜糞尿を投入ホッパ−室56から回転ル−ツ弁57を介し圧搾造粒室24に移送して造粒し、減圧乾燥室26に移送すると上部の気水回収室43の温度が低下し乾燥が進行すると昇温する。この温度変化を計測制御し回転ル−ツ弁57を開弁する。更に、投入する家畜糞尿の含水率に合わせた熱処理条件の入力操作により減速駆動モ−タ−62の回転数を制御してコンベヤスクリュ−5の搬送量を可変させることで家畜糞尿の含水率に合わせた最適な減圧雰囲気で熱分解処理が行える。  Operation control of the reduced pressure continuous pyrolysis treatment apparatus 1 is carried out by transferring livestock manure from the input hopper chamber 56 to the pressing granulation chamber 24 via the rotary root valve 57 and granulating it, and then transferring it to the vacuum drying chamber 26. When the temperature of the steam-water recovery chamber 43 decreases and drying proceeds, the temperature rises. The temperature change is measured and controlled, and the rotary root valve 57 is opened. Furthermore, the moisture content of the livestock manure can be increased by changing the conveying amount of the conveyor screw 5 by controlling the rotational speed of the deceleration drive motor 62 by inputting the heat treatment condition according to the water content of the livestock manure to be introduced. Pyrolysis treatment can be performed in an optimal reduced pressure atmosphere.

加熱円筒管4の下部から燃焼バ−ナ−36の加熱と、乾留ガスと外気との混合気体をエジエクタ−37で吹き込んで燃焼する加熱により、減圧熱処理室27内の温度は350℃前後となり、炭化物33は攪拌移動されながら減圧雰囲気で熱分解処理によって発生する一酸化炭素、窒素、水素などを含む発熱量が1000kj/h前後の乾留ガス31を、上部の乾留ガス回収室44で捕捉して乾留ガス加熱器48で更に高温の乾留ガス31と外気と混合しエジエクタ−37を介し吸引して炉内3に吹き込んで二次燃焼させる。  Due to the heating of the combustion burner 36 from the lower part of the heating cylindrical tube 4 and the heating in which a mixed gas of dry distillation gas and outside air is blown by the ejector 37 and burned, the temperature in the reduced pressure heat treatment chamber 27 becomes around 350 ° C., The carbide 33 captures the dry distillation gas 31 having a calorific value of about 1000 kj / h including carbon monoxide, nitrogen, hydrogen, etc. generated by thermal decomposition in a reduced pressure atmosphere while being stirred and moved in the upper dry distillation gas recovery chamber 44. The dry distillation gas heater 48 mixes the hot dry distillation gas 31 with the outside air, sucks it through the ejector 37 and blows it into the furnace 3 for secondary combustion.

減圧熱処理室27と賦活処理室28との内部の処理温度を170℃前後に維持すると、造粒物32はコンベヤスクリュ−5の回転によりスクリュ−翼13と掛揚翼16により攪拌移動されながら熱分解処理され、造粒物32は170℃減圧状態での熱分解処理により炭化水素化合物と窒素化合物は昇華して約半分に減少するが、低温での熱分解のためリンやカリウムなどのミネラル成分が残存して、300℃前後の熱分解処理により得られた炭化物33とは成分構成の異なる、芳香環が増加した腐植物質になり天然フミンなどと同等なN/C比のフミン物35が得られた。  When the processing temperature inside the reduced-pressure heat treatment chamber 27 and the activation treatment chamber 28 is maintained at around 170 ° C., the granulated product 32 is heated while being stirred and moved by the screw blade 13 and the lifting blade 16 by the rotation of the conveyor screw 5. The granulated product 32 is decomposed by heat decomposition at 170 ° C. under reduced pressure, and the hydrocarbon compound and nitrogen compound are sublimated and reduced to about half, but due to thermal decomposition at low temperature, mineral components such as phosphorus and potassium Humic substance 35 having an N / C ratio equivalent to that of natural humic substances is obtained because it becomes a humic substance having an increased aromatic ring, which is different in composition from the carbide 33 obtained by thermal decomposition at around 300 ° C. It was.

省エネのため改善した第2実施例を示す図2において、加熱気体媒体の熱風40をコンベヤスクリュ−5の挿入側端部22から二重中空主軸7の内管8から減圧熱処理室27で更に加熱し外管9を介して、圧搾造粒室24の押込スクリュ−11と圧搾スクリュー12の間に120度の角度で3分割して設けた噴射翼15先端部の噴出孔17から家畜糞尿30に噴射して圧搾脱水を促進させ分離した水は分離水排出口50より排出する。更に減圧乾燥室26でも噴射翼15の噴出孔17から熱風40を造粒物32に噴射して減圧乾燥を促進させる。  In FIG. 2 showing the second embodiment improved for energy saving, the heated air 40 is further heated in the vacuum heat treatment chamber 27 from the insertion side end 22 of the conveyor screw 5 to the inner tube 8 of the double hollow main shaft 7. Then, through the outer tube 9, the livestock manure 30 is fed from the ejection hole 17 at the tip of the ejection blade 15 provided by being divided into three at an angle of 120 degrees between the pushing screw 11 of the pressing granulation chamber 24 and the pressing screw 12. Water separated by spraying to promote squeezing dehydration is discharged from the separated water discharge port 50. Further, in the vacuum drying chamber 26, hot air 40 is jetted from the ejection holes 17 of the jet blades 15 to the granulated product 32 to promote vacuum drying.

圧搾造粒室24内で加熱と圧搾の促進効果で家畜糞尿から圧搾した水と、減圧乾燥室26で加熱円筒管4の加熱と熱風40の噴射により造粒物32を減圧乾燥する過程で造粒物32から蒸発した水を減圧乾燥室26上部の気水回収室43で集め、外部に設置した気水分離器54を介して吸引ポンプ55で吸引し臭気と水に分離し、臭気は臭気噴出孔42より炉内3に噴射して熱分解により消臭させる。圧搾した水と分離した水を集めて炉内3の蒸気発生器47で加熱して蒸気39にし賦活処理室28に供給される。  In the process of drying the granulated product 32 under reduced pressure by heating the heated cylindrical tube 4 and spraying hot air 40 in the reduced pressure drying chamber 26 with water compressed from livestock manure by the effect of promoting heating and pressing in the compressed granulation chamber 24. The water evaporated from the particles 32 is collected in an air / water recovery chamber 43 above the vacuum drying chamber 26 and sucked by a suction pump 55 via an external air / water separator 54 and separated into odor and water. It is injected into the furnace 3 from the injection hole 42 and deodorized by thermal decomposition. The compressed water and the separated water are collected, heated by the steam generator 47 in the furnace 3 to be steam 39, and supplied to the activation treatment chamber 28.

炉体2下部より、燃焼バ−ナ−36と乾留ガスを燃焼するエジエクター37との加熱で造粒物32は減圧熱処理室27の内部で350℃の温度で減圧熱処理により炭化される。加熱気体媒体の蒸気39を、コンベヤスクリュ−5の二重中空主軸7の排出側端部29側から内管8から減圧熱処理室27で加熱し封止板70で返流させ外管9を介して賦活処理室28の噴射翼15先端の噴出孔17から炭化物33に噴射し暴露させると、炭化物33は蒸気39と効率良く接触して活性化され多孔質の活性炭34となり活性炭排出口41より排出する。  From the lower part of the furnace body 2, the granulated product 32 is carbonized by a reduced pressure heat treatment at a temperature of 350 ° C. inside the reduced pressure heat treatment chamber 27 by heating of the combustion burner 36 and the ejector 37 for burning dry distillation gas. The vapor 39 of the heated gas medium is heated in the reduced pressure heat treatment chamber 27 from the inner pipe 8 from the discharge side end 29 side of the double hollow main shaft 7 of the conveyor screw 5 and returned by the sealing plate 70 through the outer pipe 9. When the carbide 33 is injected and exposed to the carbide 33 through the ejection hole 17 at the tip of the injection blade 15 of the activation treatment chamber 28, the carbide 33 is activated in contact with the steam 39 efficiently to become porous activated carbon 34 and discharged from the activated carbon outlet 41. To do.

加熱円筒管4内で造粒物32及び炭化物33の減圧乾燥や熱処理の滞留時間を抑制する方法として、コンベヤスクリュ−5の周囲に3分割して設けた掛揚翼16に外着した鍔形状のリングセパレ−タ−74を設けることで、造粒物32や炭化物33などの熱処理物は加熱円筒管4内でのスクリュ−翼13による移動が抑制されて滞留し減圧熱処理が継続され、リングセパレ−タ−74の鍔部より溢れた熱処理物だけが次工程に移送される。  As a method for suppressing the residence time of the granulated product 32 and the carbide 33 under reduced pressure drying and heat treatment in the heated cylindrical tube 4, a bowl shape externally attached to a lifting blade 16 provided in three portions around the conveyor screw 5. By providing the ring separator 74, the heat-treated products such as the granulated product 32 and the carbide 33 are restrained from moving by the screw blades 13 in the heated cylindrical tube 4 and are kept in the reduced pressure heat treatment. Only the heat-treated product overflowing from the ridge portion of the turbine 74 is transferred to the next process.

本発明の第3実施例を示す図3において、投入ホッパ−室56を炉体2の両側で傾斜角を有して支承した加熱円筒管4の挿入側端部22に垂設して圧搾造粒室24を設け、投入ホッパ−室56に搬入された含水率80%前後の家畜糞尿は、中空主軸6に設けた押込スクリュ−11と圧搾スクリュ−12で圧搾される過程で、前記中空主軸6を介し圧搾スクリュ−12の間に120度の角度で3分割して設けた噴射翼15の無負荷側に設けた噴出孔17から家畜糞尿30に熱風40を噴射して圧搾処理を促進させる。  In FIG. 3 showing a third embodiment of the present invention, the charging hopper chamber 56 is suspended from the insertion side end portion 22 of the heated cylindrical tube 4 supported at an inclination angle on both sides of the furnace body 2 and pressed. Livestock manure having a moisture content of about 80%, which is provided with the grain chamber 24 and is carried into the charging hopper chamber 56, is compressed by the pressing screw 11 and the pressing screw 12 provided on the hollow main shaft 6 in the process of the hollow main shaft. The hot air 40 is sprayed to the livestock manure 30 from the ejection holes 17 provided on the non-load side of the jet blade 15 provided by dividing the compression screw 12 into three at an angle of 120 degrees between the compression screws 12 through 6 and the pressing process is promoted. .

同時に、圧搾造粒室24の側壁面に設けたバイブレ−タ−59で周波数28キロヘルツ前後の超音波で励起された家畜糞尿30は、超音波エネルギ−が浸透し粒子間の摩擦が低下して配列が変化し間隔がなくなることで圧搾脱水が促進される。更に、バイブレ−タ−59の近傍に設けた減圧脱水装置73を介して家畜糞尿30中の水分を強制的に吸引して家畜糞尿30の含水率を55%前後に圧搾処理させる。減圧脱水装置73で家畜糞尿から脱水した水と、気水回収室43から気水分離器54を介して吸引ポンプ55で回収して分離された水とを集合して炉内3の蒸気発生器47で加熱して蒸気39化させる。  At the same time, the livestock excreta 30 excited by the ultrasonic wave having a frequency of about 28 kilohertz by the vibrator 59 provided on the side wall surface of the pressing granulation chamber 24 is infiltrated with ultrasonic energy and the friction between the particles is reduced. Squeezing and dehydration is promoted by changing the arrangement and eliminating the interval. Furthermore, the water content of the livestock manure 30 is forcibly sucked through the vacuum dehydrator 73 provided in the vicinity of the vibrator 59 to compress the water content of the livestock manure 30 to around 55%. The steam generator in the furnace 3 collects the water dehydrated from the livestock manure by the vacuum dehydrator 73 and the water recovered and separated from the steam recovery chamber 43 by the suction pump 55 via the steam separator 54. Heat to 47 to make steam 39.

圧搾造粒室24のコンベヤスクリュ−5の駆動は、投入ホッパ−室56の上部より中空主軸6をベアリング61から突出した軸端部に駆動スプロケット58を軸付し駆動チェ−ン63を介し減速駆動モ−タ−62で回転される。投入ホッパ−室56の家畜糞尿は押込スクリュ−11で下に搬送し圧搾スクリュ−12で圧搾して脱水処理された家畜糞尿は、目皿隔壁板20に設けた径12φ前後の逆円錐台形の成形孔10に圧入されて固化し目皿隔壁板20に接した回転ナイフ14には1/4開放された回転ナイフ開口窓23の部分で押し出し、回転ナイ714の側面で切断し丸棒状に造粒し減圧乾燥室26に落下する。  The drive of the conveyor screw 5 in the pressing granulation chamber 24 is decelerated via the drive chain 63 by attaching a drive sprocket 58 to the shaft end portion of the hollow main shaft 6 protruding from the bearing 61 from the upper part of the charging hopper chamber 56. It is rotated by the drive motor 62. The livestock manure in the charging hopper chamber 56 is transported downward by the pushing screw 11 and compressed by the pressing screw 12 and dehydrated. The livestock manure is in the shape of an inverted truncated cone having a diameter of about 12φ provided on the eye plate partition plate 20. The rotary knife 14 pressed into the forming hole 10 and solidified is in contact with the countersunk partition plate 20 and is extruded at the part of the rotary knife opening window 23 that is opened 1/4, and cut at the side of the rotary knife 714 to form a round bar. Granulate and drop into the vacuum drying chamber 26.

減圧乾燥室26内で造粒物32は、挿入側端部22から加熱気体媒体の熱風40をコンベヤスクリュ−5の中空主軸6を介して噴射翼15先端の噴出孔17から造粒物32に噴射し減圧乾燥室26内の造粒物32の乾燥を促進させ減圧熱処理室27に移送される。減圧熱処理室27内で造粒物32は減圧状態での熱処理により炭化物33となり賦活処理室28に移送される。賦活処理室28内で炭化物33は、排出側端部29から加熱気体媒体の蒸気39をコンベヤスクリュ−5の中空主軸6を介して噴射翼15の噴出孔17から炭化物33に噴射して暴露させると賦活し吸着力が増した多孔質な活性炭34となり活性炭排出口41より排出する。  In the vacuum drying chamber 26, the granulated product 32 is supplied from the insertion side end 22 to the granulated product 32 through the hollow main shaft 6 of the conveyor screw 5 through the hollow main shaft 6 of the conveyor screw 5 and the ejection hole 17 at the tip of the ejection blade 15. It sprays and accelerates the drying of the granulated product 32 in the vacuum drying chamber 26 and is transferred to the vacuum heat treatment chamber 27. In the reduced pressure heat treatment chamber 27, the granulated product 32 becomes a carbide 33 by heat treatment in a reduced pressure state and is transferred to the activation treatment chamber 28. In the activation treatment chamber 28, the carbide 33 is exposed by injecting the vapor 39 of the heated gas medium from the discharge side end portion 29 to the carbide 33 through the hollow main shaft 6 of the conveyor screw 5 from the ejection hole 17 of the ejection blade 15. The activated carbon 34 is activated to increase the adsorption power and is discharged from the activated carbon discharge port 41.

加熱円筒管4内での造粒方法は図4乃至図5に示した如く、圧搾造粒室24内の家畜糞尿に熱風40を二重中空主軸7の外管9を介して押込スクリュ−11と圧搾スクリュ−12の間に設けた噴射翼15先端部の噴出孔17から熱風を噴射して圧搾脱水して含水率を60%前後に脱水した家畜糞尿は、目皿隔壁板20に設けた径12φ前後の逆円錐台形の出口側が回転ナイフ14で閉ざされた成形孔10に圧入して固められ、前記回転ナイフ14の回転ナイフ開口窓23部では、後から圧入する家畜糞尿により押し出され、回転ナイフ14の側面で切断し棒状の造粒物32に成形して減圧乾燥室26に移送される。  As shown in FIGS. 4 to 5, the granulation method in the heated cylindrical tube 4 pushes hot air 40 into livestock manure in the pressure granulation chamber 24 through the outer tube 9 of the double hollow main shaft 7 and screw 11. The livestock manure, which was dehydrated to about 60% by squeezing and dewatering by blowing hot air from the ejection hole 17 at the tip of the ejection blade 15 provided between the squeezing screw 12 and the compression screw 12, was provided on the eye plate partition plate 20. The exit side of the inverted frustoconical shape having a diameter of about 12φ is press-fitted into the molding hole 10 closed by the rotary knife 14, and is pushed out by the livestock manure that is press-fitted later in the rotary knife opening window 23 part of the rotary knife 14. It is cut at the side of the rotary knife 14, formed into a rod-shaped granulated product 32, and transferred to the vacuum drying chamber 26.

減圧乾燥室26内の造粒物32は、加熱円筒管4の加熱と熱風を二重中空主軸7の外管9からスクリュ−翼13の間に設けた噴射翼15に内装したボ−ル弁46の重力移動による弁操作により下方向の位置で先端の噴出孔17から造粒物32に効率良く噴射される。造粒物32はスクリュ−翼13と掛揚翼16とで攪拌移動されリングセパレ−タ−74部で移動が抑制されて滞留し減圧乾燥が保持され、リングセパレ−タ−74を溢れた造粒物32は引き続き乾燥され含水率が30%前後となり減圧熱処理室27に移送される。  The granulated product 32 in the vacuum drying chamber 26 is a ball valve in which heating of the heated cylindrical tube 4 and hot air are provided in an injection blade 15 provided between the outer tube 9 of the double hollow main shaft 7 and the screw blade 13. By the valve operation by the gravity movement 46, the granule 32 is efficiently ejected from the ejection hole 17 at the tip at a downward position. The granulated product 32 is agitated and moved by the screw blade 13 and the lifting blade 16, the movement is restrained by the ring separator 74, stays in the ring separator 74, retains the vacuum drying, and the granulated product overflows the ring separator 74. 32 is subsequently dried to have a moisture content of around 30% and is transferred to the vacuum heat treatment chamber 27.

減圧乾燥室26と減圧熱処理室27の開閉方法は図6乃至図7に示した如く、コンベヤスクリュ−5の周囲には掛揚翼16が3分割して配設され、スクリュ−翼13の排出側端部には1/8開放の回転ロ−タリ−弁18が軸着して設けられている。隣接する減圧熱処理室27の隔壁板19には下側位置に1/8開放の開口窓21が開放されている。回転ロ−タリ−弁18の7/8は閉ざされ残り1/8に開口窓21が設けられている。回転ロ−タリ−弁18の開口窓21が回転して隔壁板19の開口窓21と同位置に移動すると、減圧乾燥室26と減圧熱処理室27とが開弁されると減圧乾燥室26内の造粒物32は減圧熱処理室27内に移送し熱分解されて炭化物33になる  As shown in FIGS. 6 to 7, the opening and closing methods of the vacuum drying chamber 26 and the vacuum heat treatment chamber 27 are divided into three parts around the conveyor screw 5, and the discharge of the screw blade 13 is performed. A 1 / 8-open rotary rotary valve 18 is pivotally attached to the side end. The partition plate 19 of the adjacent reduced-pressure heat treatment chamber 27 has an open window 21 that is open to the lower side. 7/8 of the rotary rotary valve 18 is closed and an opening window 21 is provided in the remaining 1/8. When the opening window 21 of the rotary rotary valve 18 rotates and moves to the same position as the opening window 21 of the partition plate 19, when the vacuum drying chamber 26 and the vacuum heat treatment chamber 27 are opened, the inside of the vacuum drying chamber 26 is opened. The granulated product 32 is transferred into the reduced-pressure heat treatment chamber 27 and thermally decomposed into a carbide 33.

加熱円筒管4の内部は、燃焼バ−ナ−36と乾留ガスのエジエクタ−37との加熱で熱処理温度は350℃前後の減圧雰囲気となり、コンベヤスクリュ−5の二重中空主軸7は減圧熱処理室27の位置に設けた封止板70により遮断されており、加熱気体媒体を挿入側端部22から二重中空主軸7の内管8を介して供給された熱風40は減圧熱処理室27内の封止板70により外管9に返流して更に加熱された熱風40となり減圧乾燥室26部の噴射翼15先端の噴出孔17から造粒物32に噴射される。加熱気体媒体を排出側端部29側から二重中空主軸7の内管8を介して供給された蒸気は、封止板70により外管9に返流され減圧熱処理室27で更に加熱された蒸気となり外管9を介して賦活処理室28で噴射翼15から炭化物33に下方向位置のみで噴射し効率良く活性化させる。  The inside of the heated cylindrical tube 4 is heated in a combustion burner 36 and an evaporator 37 of a dry distillation gas so that the heat treatment temperature becomes a reduced pressure atmosphere of about 350 ° C. The hot air 40 supplied with the heated gas medium from the insertion side end portion 22 through the inner tube 8 of the double hollow main shaft 7 is blocked in the reduced pressure heat treatment chamber 27 by the sealing plate 70 provided at the position 27. It is returned to the outer tube 9 by the sealing plate 70 to be further heated hot air 40 and is injected into the granulated product 32 from the ejection hole 17 at the tip of the ejection blade 15 of the reduced pressure drying chamber 26. Steam supplied from the discharge gas end 29 side through the inner tube 8 of the double hollow main shaft 7 is returned to the outer tube 9 by the sealing plate 70 and further heated in the reduced-pressure heat treatment chamber 27. It becomes steam and is injected into the carbide 33 through the outer tube 9 from the injection blade 15 to the carbide 33 only in the downward direction in the activation treatment chamber 28 and efficiently activated.

賦活処理室28の内部構造は図8に示した如く、炉内3の加熱円筒管4の下部には燃焼バ−ナ−36とエジエクタ−37を平行に設置し上側に臭気噴出孔42を配置している。賦活処理室28の内部で炭化物33はコンベヤスクリュ−5と掛揚翼16により攪拌移動されながら賦活処理する過程で、減圧熱処理室27から外管9を介して供給された蒸気を賦活処理室28の下方向だけで噴出するボ−ル弁46の操作により、噴射翼15先端の噴出孔17から加熱気体媒体の蒸気39を炭化物33に噴射して暴露させると、蒸気は炭化物33と効率良く接触して賦活処理され吸着力を増した多孔質の活性炭34になる。活性炭34は回転リング弁25の開口窓21が回転して下側の位置に移動すると、賦活処理室28と活性炭排出口41とが開弁され活性炭34は外部に排出される。  As shown in FIG. 8, the internal structure of the activation treatment chamber 28 is provided with a combustion burner 36 and an ejector 37 in parallel at the lower part of the heating cylindrical tube 4 in the furnace 3, and an odor injection hole 42 is arranged on the upper side. is doing. In the activation treatment chamber 28, the carbide 33 is activated while being stirred and moved by the conveyor screw 5 and the lifting blade 16, and steam supplied from the reduced pressure heat treatment chamber 27 through the outer tube 9 is activated in the activation treatment chamber 28. When the ball valve 46 that ejects only in the downward direction is exposed to the carbide 33 by injecting the vapor 39 of the heated gas medium to the carbide 33 through the ejection hole 17 at the tip of the ejection blade 15, the vapor efficiently contacts the carbide 33. Thus, the activated carbon 34 is activated to increase the adsorption power. When the opening window 21 of the rotating ring valve 25 rotates and moves to a lower position, the activated carbon 34 opens the activation treatment chamber 28 and the activated carbon discharge port 41, and the activated carbon 34 is discharged to the outside.

上記の多孔質な活性炭34処理以外に造粒物32をフミン物35化する熱処理として、含水率30%前後の造粒物32を減圧熱処理室27と賦活処理室28との内部で熱分解する温度を170℃前後の減圧状態に維持して攪拌移動させながら熱処理を促進させると、炭化水素化合物や窒素化合物などが造粒物32から蒸発して離脱し、腐植化度の進行とともに芳香環(グラファイト構造)が増加して炭化物33や活性炭34とは成分構成の異なる各種のミネラル成分が残存した減圧熱処理物として家畜糞尿や下水処理汚泥からフミン物35が連続して得られた。気水回収室43と乾留ガス回収室44で造粒物32より蒸発した窒素やアンモニアを含む臭気は、炉体2下部に設けた臭気噴出孔42から炉内3に噴射され燃焼バ−ナ−36により熱分解して消臭処理される。  As a heat treatment for converting the granulated product 32 into a humic product 35 in addition to the above-described porous activated carbon 34 treatment, the granulated product 32 having a moisture content of about 30% is thermally decomposed inside the reduced pressure heat treatment chamber 27 and the activation treatment chamber 28. When heat treatment is promoted while stirring and moving at a reduced pressure of around 170 ° C., hydrocarbon compounds, nitrogen compounds, etc. evaporate and leave from the granulated product 32, and aromatic rings ( A humic substance 35 was continuously obtained from livestock manure and sewage-treated sludge as a reduced-pressure heat-treated product in which various mineral components differing in composition from carbides 33 and activated carbon 34 remained due to an increase in graphite structure. The odor containing nitrogen and ammonia evaporated from the granulated product 32 in the steam water recovery chamber 43 and the dry distillation gas recovery chamber 44 is injected into the furnace 3 from the odor ejection hole 42 provided in the lower part of the furnace body 2 and a combustion burner. It is thermally decomposed by 36 and deodorized.

縦方向位置に加熱円筒管4を4段に積層した減圧連続熱分解処理装置1は図9で示した如く、炉体2の両側面に設けられた8ヵ所の開口孔71の最上段に圧搾造粒室24の片端の投入ホッパ−室56と他端の連結管45を炉体2から突出して横架支承し、2段目に減圧乾燥室26の両端の連結管45を炉体2から突出して横架支承し、3段目に減圧熱処理室27の両端の連結管45を炉体2から突出して横架支承し、最下段に賦活処理室28の片端の連結管45と活性炭排出口41を炉体2から突出して横架支承し、コンベヤスクリュ−5の往路と復路が上下で交互になるよう連結管45で結管し配置されている。  As shown in FIG. 9, the reduced pressure continuous pyrolysis treatment apparatus 1 in which the heated cylindrical tubes 4 are laminated in four stages at the vertical position is squeezed at the uppermost stage of the eight opening holes 71 provided on both side surfaces of the furnace body 2. The granulation chamber 24 has a charging hopper chamber 56 at one end and a connecting tube 45 at the other end protruding from the furnace body 2 and horizontally supported, and connecting pipes 45 at both ends of the vacuum drying chamber 26 from the furnace body 2 in the second stage. Protruding and horizontally supported, connecting pipes 45 at both ends of the reduced pressure heat treatment chamber 27 projecting from the furnace body 2 in the third stage and horizontally supported, and connecting pipe 45 and activated carbon discharge port at one end of the activation treatment chamber 28 at the bottom. 41 is protruded from the furnace body 2 and horizontally supported, and is connected and arranged by a connecting pipe 45 so that the forward path and the return path of the conveyor screw 5 are alternately turned up and down.

圧搾造粒室24、減圧乾燥室26、減圧熱処理室27、賦活処理室28の夫々には、内部に挿入するコンベヤスクリュ−5の中空主軸6の軸端部を両側面に設けたベアリング61を介して回転自在に保持させた移送機構を有して、家畜糞尿30、造粒物32、炭化物33などの処理条件に応じた回転速度でコンベヤスクリュ−5を夫々単独で回転させる減速駆動モ−タ−62で駆動されている。炉体2下部より燃焼バ−ナ−36と、減圧熱処理室27内で発生した乾留ガスを乾留ガス回収室44で捕捉し、乾留ガス加熱器48を介して吸引し、外気と混合してエジエクタ−37で炉内3に吹き込んで二次燃焼させる。  In each of the pressing granulation chamber 24, the reduced pressure drying chamber 26, the reduced pressure heat treatment chamber 27, and the activation treatment chamber 28, bearings 61 having shaft end portions of the hollow main shaft 6 of the conveyor screw 5 inserted therein are provided on both side surfaces. A decelerating drive motor that has a transfer mechanism that is rotatably held via the conveyor screw 5 and that independently rotates the conveyor screw 5 at a rotation speed according to processing conditions such as livestock manure 30, granulated material 32, and carbide 33. The motor 62 is driven. From the lower part of the furnace body 2, the carbonization gas generated in the combustion burner 36 and the reduced pressure heat treatment chamber 27 is captured in the carbonization gas recovery chamber 44, sucked through the carbonization gas heater 48, mixed with the outside air, and mixed with the ejector. -37 is blown into the furnace 3 for secondary combustion.

含水率80%前後の家畜糞尿や下水処理汚泥などの処理物は、投入ホッパ−室56の回転ル−ツ弁57を介して加熱された圧搾造粒室24内に移送され、押込スクリュ−11で加圧して圧搾スクリュ−12で更に加圧され目皿隔壁板20に設けた逆円錐台形の成形孔10に圧入して固化させ、外側の目皿隔壁板20に接して設けた回転ナイフ14の回転ナイフ開口窓23部分で背圧により押し出し、回転ナイフ14の側面で切断して丸棒状の造粒物32に加圧成形されて連結管45を介して減圧乾燥室26内に落下して供給される。  Processed items such as livestock manure and sewage treatment sludge having a water content of about 80% are transferred into the heated granulation chamber 24 through the rotary root valve 57 of the input hopper chamber 56, and pushed-in screw-11. Rotating knife 14 provided in contact with the outer side plate partition plate 20 by being pressed and solidified by press-fitting into the inverted frustoconical shaped hole 10 provided on the side plate partition plate 20. The rotary knife opening window 23 is extruded by back pressure, cut at the side of the rotary knife 14, pressed into a round bar-shaped granulated product 32, and dropped into the vacuum drying chamber 26 through the connecting tube 45. Supplied.

減圧連続熱分解処理装置1周辺の悪臭を投入ホッパ−室56で吸引し、排気ガス排出口53に内装した排気ガス熱交換器51で加熱した熱風を加圧ブロワ−60で加圧して、減圧乾燥室26のコンベヤスクリュ−5の中空主軸6を介して噴射翼15の先端に設けた噴出孔17から熱風を攪拌移動する造粒物32に噴射して含水率を30%前後に減圧雰囲気で乾燥させて、コンベヤスクリュ−5の排出側端部に設けた回転リング弁25の開口窓21が回転して下位置に移動すると造粒物32は連結管45を介して減圧熱処理室27内に落下して供給される。  The odor around the decompression continuous pyrolysis treatment apparatus 1 is sucked in the hopper chamber 56, and the hot air heated by the exhaust gas heat exchanger 51 installed in the exhaust gas discharge port 53 is pressurized by the pressure blower 60 to reduce the pressure. The hot air is sprayed to the agglomerated material 32 by stirring and moving from the ejection hole 17 provided at the tip of the ejection blade 15 through the hollow main shaft 6 of the conveyor screw 5 of the drying chamber 26, and the moisture content is reduced to about 30% in a reduced pressure atmosphere. When the opening window 21 of the rotary ring valve 25 provided at the discharge side end of the conveyor screw 5 rotates and moves to the lower position after being dried, the granulated product 32 enters the reduced pressure heat treatment chamber 27 via the connecting pipe 45. Dropped and supplied.

減圧熱処理室27内で350℃前後の減圧雰囲気の熱処理温度で造粒物32は、攪拌移動されながら熱処理により炭化物33となり回転リング弁25の開口窓21から排出し連結管45を介し賦活処理室28内に落下させる。上部のガス回収室44で炭化物33から発生した乾留ガス31を捕捉して乾留ガス加熱器48で更に高温の乾留ガス31としエジエクタ−37で外気と混合して炉内3に吹き込み二次燃焼させる。  In the reduced pressure heat treatment chamber 27, the granulated product 32 becomes a carbide 33 by heat treatment while being stirred and moved at a reduced pressure atmosphere temperature of about 350 ° C., and is discharged from the opening window 21 of the rotary ring valve 25 and is activated through the connecting pipe 45. Drop into 28. A carbonization gas 31 generated from the carbide 33 is captured in the upper gas recovery chamber 44, and is heated to a higher temperature carbonization gas 31 by a carbonization gas heater 48, mixed with outside air by an ejector 37, and blown into the furnace 3 for secondary combustion. .

賦活処理室28内で炭化物33は、コンベヤスクリュ−5の中空主軸6の噴出孔17から蒸気39が噴射され多孔質な活性炭34となり活性炭排出口41より排出される。尚、フミン物35の減圧雰囲気での熱処理の工程は、減圧熱処理室27と賦活処理室28の内部温度を170℃前後の恒温状態で造粒物32を攪拌移動しながら熱処理を促進させると家畜糞尿や下水処理汚泥などの生成物は、グラファイト構造が増加して腐植度が変わり、分解特性(難分解性/易分解性)が進行した天然フミンと同等な性状のフミン物35が連続して得られる。  In the activation treatment chamber 28, the carbide 33 is ejected from the ejection holes 17 of the hollow main shaft 6 of the conveyor screw 5, to become porous activated carbon 34, and is discharged from the activated carbon discharge port 41. It should be noted that the heat treatment step in the reduced-pressure atmosphere of the humic substance 35 can be carried out by accelerating the heat treatment while stirring and moving the granulated product 32 with the internal temperatures of the reduced-pressure heat treatment chamber 27 and the activation treatment chamber 28 being around 170 ° C. Products such as manure and sewage treatment sludge have a continuous humic substance 35 with the same properties as natural humin, which has increased graphite structure, changed the degree of humus, and has advanced decomposition characteristics (refractory / easily degradable). can get.

減圧乾燥室26で加熱円筒管4の加熱と熱風の噴射により造粒物32から離脱した蒸発水を気水回収室43で集めて外部の気水分離器54を介して臭気と水とに分離し、水は炉内3に設けた蒸気発生器47により加熱気体媒体の蒸気39にされ賦活処理室28内で炭化物33に噴射して活性化させる。フミン物35化させる熱処理工程では、減圧熱処理室27と賦活処理室28で造粒物32より蒸発したアンモニア臭を含む気水を、外部に設けた気水分離器54で臭気と水とに分離され、臭気は炉体2下部の臭気噴出孔42から炉内3に噴射して燃焼バ−ナ−36により熱分解処理して消臭させ、分離した水は外部に排出される。  Evaporated water separated from the granulated product 32 by heating the heated cylindrical tube 4 and spraying hot air in the vacuum drying chamber 26 is collected in the steam / water recovery chamber 43 and separated into odor and water via an external steam / water separator 54. Then, the water is made into the steam 39 of the heated gas medium by the steam generator 47 provided in the furnace 3 and is activated by being injected into the carbide 33 in the activation treatment chamber 28. In the heat treatment step for converting into humic substances 35, the steam and water containing ammonia odor evaporated from the granulated product 32 in the reduced pressure heat treatment chamber 27 and the activation treatment chamber 28 is separated into odor and water by a steam / water separator 54 provided outside. Then, the odor is injected into the furnace 3 from the odor jet hole 42 at the lower part of the furnace body 2 and thermally decomposed by the combustion burner 36 to be deodorized, and the separated water is discharged to the outside.

その他、発電する応用例は図10で示した如く、家畜糞尿の減圧連統熱分解処理装置1の減圧熱処理室27から回収した乾留ガスは1000kj/hの低発熱量で、直接マイクロガスタ−ビン64の始動が困難なため、灯油又はガスを燃料とし発電機65を駆動しているマイクロガスタ−ビン64の補助燃料としガス濾過器68で清浄化して供給する。マイクロガスタ−ビン64の排気熱を炉内3に噴出して、減圧連続熱分解処理装置1の燃焼バ−ナ−36の補助熱源とし利用させることで省エネが可能となった。  In addition, as shown in FIG. 10, an application example for generating electricity is that the dry distillation gas recovered from the reduced pressure heat treatment chamber 27 of the reduced pressure continuous pyrolysis apparatus 1 for livestock manure has a low calorific value of 1000 kj / h and is directly a micro gas turbine. Since it is difficult to start 64, kerosene or gas is used as fuel, and it is supplied as a supplementary fuel for the micro gas turbine 64 driving the generator 65 by the gas filter 68. Energy can be saved by ejecting the exhaust heat of the micro gas turbine 64 into the furnace 3 and using it as an auxiliary heat source for the combustion burner 36 of the reduced pressure continuous pyrolysis treatment apparatus 1.

減圧連続熱分解処理装置1の排出ガスは排気ガスサイクロン52で粉塵を除去しガス冷却器66で150℃以下に急冷してダイオキシンの生成を防ぎ、消石灰供給装置67により被覆されたガス濾過器68で清浄化した排気ガスを煙突69から放出し、気水分離器54により臭気と水とに分離し水は減圧連続熱分解処理装置1より外部に排出する。  The exhaust gas of the reduced-pressure continuous pyrolysis treatment apparatus 1 removes dust with an exhaust gas cyclone 52, rapidly cools to 150 ° C. or less with a gas cooler 66 to prevent the formation of dioxins, and a gas filter 68 covered with a slaked lime supply device 67. The exhaust gas cleaned in the above is discharged from the chimney 69, separated into odor and water by the steam / water separator 54, and the water is discharged from the reduced pressure continuous pyrolysis treatment apparatus 1 to the outside.

本発明の家畜糞尿の減圧連続熱分解処理装置の全体構造側断面図である。1 is a side sectional view of the entire structure of a reduced pressure continuous pyrolysis treatment apparatus for livestock manure of the present invention. 本発明の第2実施例を示す断面詳細図である。It is a cross-sectional detail drawing which shows 2nd Example of this invention. 本発明の第3実施例を示す断面詳細図である。It is a section detail drawing showing the 3rd example of the present invention. 図1のA−A断面図で圧搾造粒室の縦断面詳細説明図である。It is longitudinal cross-section detailed explanatory drawing of a pressing granulation chamber by AA sectional drawing of FIG. 圧搾造粒室と減圧乾燥室の造粒部を示す詳細説明図である。It is detailed explanatory drawing which shows the granulation part of a pressing granulation chamber and a vacuum drying chamber. 図1のB−B断面図で減圧熱処理室の縦断面詳細説明図である。It is a longitudinal cross-sectional detailed explanatory drawing of a pressure reduction heat processing chamber by BB sectional drawing of FIG. 減圧乾燥室と減圧熱処理室の隔壁部を示す縦断面詳細説明図である。It is longitudinal cross-section detailed explanatory drawing which shows the partition part of a vacuum drying chamber and a vacuum heat treatment chamber. 図1のC−C断面図で賦活処理室の縦断面詳細説明図である。It is CC sectional drawing of FIG. 1, and the longitudinal cross-section detailed explanatory drawing of an activation process chamber. 縦積層型の家畜糞尿の減圧連続熱分解処理装置の全体構造側断面図である。FIG. 2 is a side sectional view of the entire structure of a reduced pressure continuous pyrolysis treatment apparatus for vertically stacked livestock manure. マイクロガスタ−ビンを用いた発電の応用例を示す概略図である。It is the schematic which shows the application example of the electric power generation using a micro gas turbine.

符号の説明Explanation of symbols

1減圧連続熱分解処理装置
4加熱円筒管
5コンベヤスクリュ−
19成形孔
14回転ナイフ
15噴射翼
19隔壁板
24圧搾造粒室
25回転リング弁
26減圧乾燥室
27減圧熱処理室
28賦活処理室
36燃焼バ−ナ−
42臭気噴出孔
43気水回収室
44乾留ガス回収室
46ボ−ル弁
47蒸気発生器
48乾留ガス加熱器
59バイブレ−タ−
73減圧脱水装置
47蒸気発生器
74リングセパレ−タ−
1 Depressurized continuous pyrolysis treatment equipment 4 Heated cylindrical tube 5 Conveyor screw
19 molding hole 14 rotary knife 15 jet blade 19 partition plate 24 compression granulation chamber 25 rotary ring valve 26 vacuum drying chamber 27 vacuum heat treatment chamber 28 activation treatment chamber 36 combustion burner
42 Odor ejection hole 43 Gas water recovery chamber 44 Dry distillation gas recovery chamber 46 Ball valve 47 Steam generator 48 Dry distillation gas heater 59 Vibrator
73 vacuum dehydrator 47 steam generator 74 ring separator

Claims (7)

  1. 圧搾造粒室、減圧乾燥室、減圧熱処理室、賦活処理室から構成される減圧連続熱分解処理装置において、少なくとも減圧乾燥室、減圧熱処理室、賦活処理室は、被処理物の移送をするためのコンベヤスクリュ−を有する加熱円筒管に設けられ、減圧乾燥室、減圧熱処理室、賦活処理室の夫々の間には開口窓を有する隔壁板と回転ロ−タリ−弁が設けられ、コンベヤスクリュ−の排出側には回転リング弁を設けてなる減圧連続熱分解処理装置。  In the reduced-pressure continuous pyrolysis treatment apparatus composed of a compression granulation chamber, a reduced-pressure drying chamber, a reduced-pressure heat treatment chamber, and an activation treatment chamber, at least the reduced-pressure drying chamber, the reduced-pressure heat treatment chamber, and the activation treatment chamber are for transferring the workpiece. A partition plate having an opening window and a rotary rotary valve are provided between the vacuum drying chamber, the vacuum heat treatment chamber, and the activation treatment chamber, and the conveyor screw is provided. A reduced pressure continuous pyrolysis treatment apparatus provided with a rotating ring valve on the discharge side of the gas.
  2. 前記減圧連続熱分解処理装置に内装するコンベヤスクリュ−は、減圧乾燥室、減圧熱処理室、賦活処理室の夫々の中間位置に、処理物のコンベヤスクリュ−による加熱円筒管内での移動量を抑制し滞留時間を制御するリングセパレ−タ−を設けた移送機構とからなる請求項1記載の減圧連続熱分解処理装置。  The conveyor screw incorporated in the reduced-pressure continuous pyrolysis treatment apparatus suppresses the amount of movement of the processed material in the heated cylindrical tube by the conveyor screw at the intermediate positions of the reduced-pressure drying chamber, the reduced-pressure heat treatment chamber, and the activation treatment chamber. 2. The reduced pressure continuous pyrolysis apparatus according to claim 1, comprising a transfer mechanism provided with a ring separator for controlling the residence time.
  3. 請求項1〜2の減圧連続熱分解処理装置に内装するコンベヤスクリュ−は、加熱気体媒体を供給可能な中空であり、該コンベヤスクリュ−に軸着した噴射翼にボ−ル弁を内装した噴射孔を設け、該ボ−ル弁には下方向だけで噴射孔から被処理物に加熱気体媒体を噴出する弁機構を有する請求項1乃至2記載の減圧連続熱分解処理装置。  The conveyor screw installed in the reduced-pressure continuous pyrolysis apparatus according to claim 1 or 2 is hollow capable of supplying a heated gas medium, and an injection blade having a ball valve mounted on an injection blade pivotally attached to the conveyor screw. 3. The reduced pressure continuous pyrolysis apparatus according to claim 1, wherein a hole mechanism is provided, and the ball valve has a valve mechanism for ejecting a heated gas medium from the injection hole to the object to be processed only in the downward direction.
  4. 請求項1〜3の減圧連続熱分解処理装置において、被処理物を造粒するための圧搾造粒室が減圧乾燥室の前に連設され、圧搾造粒室と減圧乾燥室の間は被処理物を圧入する成形孔を有した目皿隔壁板で区画し、この目皿隔壁板には回転ナイフが施設されて造粒する機構を有する請求項1乃至3記載の減圧連続熱分解処理装置。  The reduced pressure continuous pyrolysis treatment apparatus according to any one of claims 1 to 3, wherein a pressing granulation chamber for granulating an object to be processed is connected in front of the reduced pressure drying chamber, and the space between the pressing granulation chamber and the reduced pressure drying chamber is covered. 4. A reduced-pressure continuous pyrolysis treatment apparatus according to claim 1, wherein a partition plate having a forming hole for press-fitting a processed product is partitioned, and a rotary knife is provided in the plate for the purpose of granulation. .
  5. 前記被処理物を造粒するための圧搾造粒室が加熱円筒管に垂設に連設され、被処理物に加熱気体媒体を供給可能な噴射翼を軸着した中空のコンベヤスクリュ−を内装し、圧搾造粒室の側壁にバイブレ−タ−と減圧脱水装置を設けたことを特徴とする請求項1乃至4記載の減圧連続熱分解処理装置。  A compression granulation chamber for granulating the object to be processed is connected to the heated cylindrical tube so as to be suspended, and a hollow conveyor screw is provided with a jet blade that can supply a heated gas medium to the object to be processed. The reduced pressure continuous pyrolysis apparatus according to any one of claims 1 to 4, wherein a vibrator and a reduced pressure dewatering device are provided on a side wall of the compression granulation chamber.
  6. 下方一側端に燃焼バ−ナ−と臭気噴出孔及びエジエクタ−を備えた炉体内の上方両側に設けた開口孔に両側端が突出するように横架支承して加熱円筒管を装着して形成し、加熱円筒管の外周に気水回収室と乾留ガス回収室及び乾留ガス加熱器を夫々連設し、排気ガス熱交換器及び蒸気発生器で発生する加熱気体媒体を、中空のコンベヤスクリュ−の端部から供給することを特徴とする請求項1乃至5記載の減圧連続熱分解処理装置。  A horizontal cylindrical support is installed so that both ends protrude from the opening holes provided on both upper sides of the furnace body having a combustion burner, an odor jet hole and an ejector at one lower end, and a heating cylindrical tube is attached. Formed, and an air / water recovery chamber, a dry distillation gas recovery chamber and a dry distillation gas heater are connected to the outer periphery of the heated cylindrical tube, respectively, and the heated gas medium generated by the exhaust gas heat exchanger and the steam generator is supplied to a hollow conveyor screw. 6. The reduced-pressure continuous pyrolysis apparatus according to claim 1, wherein the apparatus is supplied from the end of the negative pressure.
  7. 請求項1〜6の減圧連続熱分解処理装置を用いて、家畜糞尿や下水処理汚泥を熱分解するに際して、減圧熱処理室の内部温度を150〜180℃の恒温状態で腐植化の熱処理をすることを特徴とする減圧連続熱分解方法。  When thermally decomposing livestock manure and sewage treatment sludge using the reduced pressure continuous pyrolysis treatment apparatus according to claim 1, heat treatment for humification is performed at a constant temperature of 150 to 180 ° C. inside the reduced pressure heat treatment chamber. A reduced-pressure continuous pyrolysis method characterized by the above.
JP2004383009A 2004-12-28 2004-12-28 Reduced pressure continuous pyrolysis apparatus and reduced pressure continuous pyrolysis method Expired - Fee Related JP4539329B2 (en)

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