JP2016155086A - Recycling system - Google Patents

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JP2016155086A
JP2016155086A JP2015035102A JP2015035102A JP2016155086A JP 2016155086 A JP2016155086 A JP 2016155086A JP 2015035102 A JP2015035102 A JP 2015035102A JP 2015035102 A JP2015035102 A JP 2015035102A JP 2016155086 A JP2016155086 A JP 2016155086A
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recycling
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弘 長島
Hiroshi Nagashima
弘 長島
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Agri Japan Kk
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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
    • Y02E50/30—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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/20—Sludge processing

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Abstract

PROBLEM TO BE SOLVED: To provide a recycling system that suppresses discharge of livestock excrement by recycling of the livestock excrement and enables effective use of resources.SOLUTION: A recycling system 100 comprises an accumulation tank 2 that collects excrement excreted from livestock, a separator 3 that separates the excrement in the accumulation tank 2 into water and solid matter, a recycling device 6 that processes the solid matter to obtain activated carbon, and an advanced treatment system 9 that purifies the water. The water is subjected to filtration 11 through the activated carbon to obtain reusable water 12.SELECTED DRAWING: Figure 1

Description

本発明は、家畜排せつ物等の再資源化設備に関する。   The present invention relates to a facility for recycling livestock excrement and the like.

家畜から排出される尿、糞、スラリー等の家畜排せつ物は、水分と固形分に分離されるなどして適切に処理された後、処分されなければならない。従来から、処理後の家畜排せつ物は、単に捨てられることなく畜産業における資源として農産物や飼料作物の生産などに有効利用されてきた。近年、資源循環型社会に対する要求が益々高まっており、このためには家畜排せつ物は資源として再利用可能な状態まで加工・再資源化される必要がある。   Livestock excreta such as urine, feces, and slurry discharged from livestock must be disposed of after being properly treated, such as separated into water and solids. Conventionally, livestock excrement after treatment has been effectively used for production of agricultural products and feed crops as resources in the livestock industry without being simply discarded. In recent years, demands for a resource recycling society have been increasing, and for this purpose, livestock excrement needs to be processed and recycled to a state where it can be reused as resources.

再資源化のための、家畜排せつ物などの廃棄物の燃焼などの過程では、二酸化炭素、ダイオキシン類、窒素酸化物（ＮＯｘ）、硫黄酸化物（ＳＯｘ）、煤塵等の排出・放散を抑制することが重要な課題である。例えば、炭素を含む廃棄物を焼却したときに発生する二酸化炭素は、温室効果増大を招く物質と目されている。また、塩素を含む廃棄物を焼却すると、一般にダイオキシン類と総称される毒性の強い物質群が発生する。十分高温で焼却すること、焼却温度を一定に保つこと、再燃焼装置を使用すること等によって、ダイオキシン類の大気中への放出をある程度抑えられるが、更なる抑制の要求がある。   In the process of combustion of waste such as livestock excrement for recycling, the emission and emission of carbon dioxide, dioxins, nitrogen oxides (NOx), sulfur oxides (SOx), dust, etc. should be suppressed. Is an important issue. For example, carbon dioxide generated when carbon-containing waste is incinerated is regarded as a substance that increases the greenhouse effect. Moreover, when waste containing chlorine is incinerated, a group of highly toxic substances generally called dioxins is generated. By incinerating at a sufficiently high temperature, keeping the incineration temperature constant, using a recombustion device, etc., the release of dioxins into the atmosphere can be suppressed to some extent, but there is a demand for further suppression.

また近年、畜産経営の大規模化が進行しているが、臭いの出る畜舎を都市部に建設することは困難なため、郊外に建設される場合がほとんどである。そのため、事業主の選択が制限され、郊外から都市部に豚肉を供給する際には輸送費用もかかる。   In recent years, the scale of livestock management has been increasing. However, since it is difficult to build a slaughterhouse in an urban area, it is almost always constructed in the suburbs. As a result, the choice of employer is limited, and transportation costs are also incurred when supplying pork from the suburbs to the urban areas.

従来から、廃棄物を燃焼させ、活性炭素やカーボンナノチューブなどの炭素材料を製造する技術（特許文献１）や、浄化槽処理水の脱色処理機能を備えた固液分離システム（特許文献２）が知られている。   Conventionally, there is known a technique (Patent Document 1) for producing a carbon material such as activated carbon or carbon nanotubes by burning waste, and a solid-liquid separation system (Patent Document 2) having a function of decolorizing water from septic tank treated water. It has been.

特許第４０４７３３１号公報Japanese Patent No. 4047331 特開２００６−２８１０４０号公報JP 2006-281040 A

そこで本発明は、家畜排せつ物の再資源化によって家畜排せつ物の排出を抑制し、資源の有効活用が可能な再資源化設備を提供することを課題とする。   Therefore, an object of the present invention is to provide a recycling facility capable of suppressing the discharge of livestock excrement by recycling the livestock excrement and enabling effective use of resources.

この課題を解決するため、家畜から排出された排せつ物を収集する集積槽（２）と、前記集積槽（２）の前記排せつ物を水分と固形分に分離する分離装置（３）と、前記固形分を処理して活性炭（７）を得る再資源化装置（６）と、前記水分を浄化する高度処理システムと、を備え、浄化した前記水分を前記活性炭（７）によって濾過（１１）することで再利用可能な水（１２）を得る、ことを特徴とする再資源化設備（１００）を提案する。   In order to solve this problem, an accumulation tank (2) for collecting excrement discharged from livestock, a separation device (3) for separating the excrement in the accumulation tank (2) into moisture and solid content, and the solid content A recycling apparatus (6) for treating activated carbon to obtain activated carbon (7) and an advanced treatment system for purifying the moisture, and filtering (11) the purified moisture through the activated carbon (7). A recycling facility (100) characterized by obtaining reusable water (12) is proposed.

家畜排せつ物の再資源化によって、糞や尿を畜舎外に排出することなく畜舎内で再利用可能な水を得ることができる。家畜排せつ物自体の排出や臭いの放出を抑制できるため、都市部においても再資源化設備の建設が可能になり、迅速かつ安価な畜産物の提供が可能になる。   By recycling livestock waste, it is possible to obtain water that can be reused inside the barn without discharging feces and urine outside the barn. Since the discharge of livestock excrement itself and the release of odors can be suppressed, it is possible to construct a recycling facility even in urban areas, and it is possible to provide livestock products quickly and inexpensively.

再資源化設備１００のブロック図であって、家畜排せつ物の処理フロー図である。It is a block diagram of recycling equipment 100, and is a processing flow figure of livestock excrement. 固形分生成装置２０の概略図である。1 is a schematic view of a solid content generating device 20. FIG. 水分生成装置３０の概略図である。1 is a schematic view of a moisture generation device 30. FIG. 糞（固形分）を乾燥させながら炭化する炭化装置４の概略側面図である。It is a schematic side view of the carbonization apparatus 4 which carbonizes feces (solid content) while drying.

以下では図面に則して本発明の実施形態に係る再資源化設備１００を説明する。
図１は、再資源化設備１００のブロック図であって、家畜排せつ物の処理フロー図である。豚舎１では例えば１５０００頭の豚が飼育される。１頭当たり１日に６ｋｇの糞尿を排出すると仮定すると、糞尿の総量は９００００ｋｇ／日になり、この大量の糞尿をどのように処理するかが問題となる。豚舎１が４棟あれば、糞尿の総量は３６００００ｋｇ／日になる。先ず、各豚舎から糞尿を集め、集積槽２にて１箇所に収集する。 Hereinafter, the recycling facility 100 according to the embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram of the recycling facility 100 and is a processing flow diagram of livestock excrement. For example, 15,000 pigs are raised in the pig house 1. Assuming that 6 kg of manure is discharged per head per day, the total amount of manure is 90000 kg / day, and how to treat this large amount of manure becomes a problem. If there are four pig houses 1, the total amount of manure will be 360,000 kg / day. First, manure is collected from each pig house and collected in one place in the accumulation tank 2.

次いで、集積槽２に溜められた糞尿は分離装置３にて水分と固形分に分離される。具体的には、分離装置３は、排せつ物のうちの糞を収容して発酵させメタンガスを発生させた糞の残滓として固形分を生成する固形分生成装置２０（図２）と、排せつ物のうちの尿を収集して尿から主に水分のみ分離する水分生成装置３０（図３）を備える。   Next, the manure stored in the accumulation tank 2 is separated into moisture and solids by the separation device 3. Specifically, the separation device 3 contains the solid matter generating device 20 (FIG. 2) that generates the solid content as the residue of the feces that has been housed and fermented to generate methane gas. A water generation device 30 (FIG. 3) that collects urine and separates mainly only water from the urine is provided.

図２は、固形分生成装置２０の概略図である。
図示のように、固形分生成装置２０は、糞を収容・発酵させるための複数の発酵容器２１、発酵容器２１を加熱し糞に含まれる水分を適度に蒸発させて発酵を促進させるヒータ２３、発生したメタンガス２２を送風するファン２５、メタンガスにより起動し発電するガスタービン式発電機２６などを有する。固形分生成装置２０が地下処理室２４に配置されれば、地上のスペースを有効活用することができ、好都合である。 FIG. 2 is a schematic view of the solid content generating device 20.
As shown in the figure, the solid content generating device 20 includes a plurality of fermentation vessels 21 for containing and fermenting feces, a heater 23 that heats the fermentation vessels 21 to appropriately evaporate water contained in the feces, and promotes fermentation. A fan 25 that blows the generated methane gas 22 and a gas turbine generator 26 that is activated by the methane gas to generate power are included. If the solid content generation device 20 is disposed in the underground processing chamber 24, the above-described space can be effectively used, which is convenient.

糞を発酵させることでメタンガス２２が発生するが、この際ヒータ２３で糞を加熱するとともに、不図示の撹拌装置により発酵容器２１内で撹拌すると、発酵が促進される。発生したメタンガス２２は、ファン２５によりガスタービン式発電機２６に送られても良く、ガスタービン式発電機２６はメタンガス２２の燃焼によって自家発電するようになっている。   Methane gas 22 is generated by fermenting the feces. At this time, when the feces are heated by the heater 23 and stirred in the fermentation vessel 21 by an agitator (not shown), fermentation is promoted. The generated methane gas 22 may be sent to a gas turbine generator 26 by a fan 25, and the gas turbine generator 26 is configured to generate electric power by combustion of the methane gas 22.

発電した電気は豚舎１内の電灯やエアーコンディショナーなどの各種機械のために利用することができる。   The generated electricity can be used for various machines such as electric lights and air conditioners in the pig house 1.

図３は、排せつ物のうちの尿を収集して尿から主に水分のみ分離する水分生成装置３０を示す概略図である。
水分生成装置３０は、尿を蓄えておくためのタンク３１、タンク３１に接続して適当な圧力により尿から主に水分のみ分離する真空ポンプ３２、接続ダクト３３により真空ポンプ３２と接続されて水分を蓄える水分タンク３４などを有する。水分タンク３４内の水分は浄化槽８に運ばれ処理されるが、浄化槽８以降の処理については後述する。 FIG. 3 is a schematic diagram showing a moisture generating device 30 that collects urine of excreta and separates mainly moisture from the urine.
The moisture generator 30 is connected to the tank 31 for storing urine, a vacuum pump 32 that is connected to the tank 31 and separates mainly moisture from the urine with an appropriate pressure, and is connected to the vacuum pump 32 by a connection duct 33 to provide moisture. A moisture tank 34 for storing water. The water in the water tank 34 is carried to the septic tank 8 and processed, and the processing after the septic tank 8 will be described later.

図１を参照して、メタンガス２２を十分放出した糞（固形分）は、炭化装置４に運ばれ、乾燥させながら炭化される。   Referring to FIG. 1, feces (solid content) from which methane gas 22 has been sufficiently released are conveyed to carbonization device 4 and carbonized while being dried.

図４は、糞（固形分）を乾燥させながら炭化する炭化装置４の概略側面図である。
炭化装置４は、糞を収容した発酵容器２１を運搬するためのベルトコンベア４３、発酵容器２１内の糞に赤外レーザー光を照射することで糞を炭化させるレーザー炭化装置４１、糞を乾燥させる真空乾燥機４２などを有する。ここで、真空乾燥とは、乾燥対象物である糞を密閉した状態で、乾燥の条件である水蒸気分圧差を人工的に大きくするために真空ポンプで減圧排気する方法である。真空乾燥機４２内には不図示のヒータを備え、ヒータにより糞を加熱しながら減圧排気してもよい。これにより、乾燥がさらに促進される。 FIG. 4 is a schematic side view of the carbonization apparatus 4 that carbonizes while drying feces (solid content).
The carbonization device 4 is a belt conveyor 43 for transporting the fermentation vessel 21 containing feces, a laser carbonization device 41 for carbonizing the feces by irradiating the feces in the fermentation vessel 21 with infrared laser light, and drying the feces. A vacuum dryer 42 and the like are included. Here, the vacuum drying is a method in which evacuation is performed by a vacuum pump in order to artificially increase the water vapor partial pressure difference, which is a drying condition, in a state in which feces as an object to be dried is sealed. A heater (not shown) may be provided in the vacuum dryer 42 and exhausted under reduced pressure while the feces are heated by the heater. This further promotes drying.

また、矢印４４で示すように発酵容器２１に上下の（又は左右の）振動を加えることで、糞に満遍なく赤外レーザー光を照射することができ、乾燥と炭化作用を促進させることができる。
別な形態として、炭化装置４は、糞を収容した発酵容器２１を運搬するためのベルトコンベア４３、発酵容器２１内の糞にレーザー光を照射して炭化するレーザー炭化装置４１、糞を温風乾燥させる温風式乾燥装置を有してもよい。 Further, by applying up and down (or left and right) vibrations to the fermentation vessel 21 as indicated by an arrow 44, it is possible to uniformly irradiate the feces with infrared laser light, and promote drying and carbonization.
As another form, the carbonization apparatus 4 includes a belt conveyor 43 for transporting the fermentation vessel 21 containing the feces, a laser carbonization device 41 that irradiates the feces in the fermentation vessel 21 with a laser beam, and carbonizes the feces. You may have a warm air-type drying apparatus to dry.

また、不図示のレーザー装置から、消臭効果のある紫外線レーザー光４４を糞に照射することで、糞の臭いを抑制することができる。   Moreover, the smell of feces can be suppressed by irradiating feces with an ultraviolet laser beam 44 having a deodorizing effect from a laser device (not shown).

このようにして糞は炭化され、炭化装置４のベルトコンベア４３で出口に運搬され、出口に設けられた貯蔵部に蓄えられる。しかしながら、図１に示すように、固形分は臭いが発生し易いため、脱臭槽５で臭い取り処理がなされると好ましい。例えば、脱臭槽５内の密閉された保管槽に糞を保管しておき、発生した臭気を、保管槽の排気口からパイプを通してファンの送風により別の室に送り込む。室には、例えば４カ月以上発酵させられた完熟堆肥が堆積されており、臭気は完熟堆肥を通気させられることにより、臭気は脱臭槽５外に排出可能な程度に脱臭され、糞も十分に脱臭される。   In this way, the feces are carbonized, transported to the outlet by the belt conveyor 43 of the carbonizing apparatus 4, and stored in a storage unit provided at the outlet. However, as shown in FIG. 1, it is preferable that the odor removal treatment is performed in the deodorization tank 5 because the solid content tends to generate odor. For example, feces are stored in a sealed storage tank in the deodorization tank 5, and the generated odor is sent from the exhaust port of the storage tank to another chamber through a pipe and blown by a fan. For example, ripe compost that has been fermented for four months or more is deposited in the chamber, and the odor is deodorized to the extent that the odor can be discharged out of the deodorization tank 5 by allowing the ripe compost to be ventilated, and the feces are also fully Deodorized.

次いで、糞は再資源化装置６によって活性炭７に完全に変換される。
糞（固形分）を活性炭７に処理可能な再資源化装置６は従来から知られている。例えば特許文献１によれば、内部に処理対象物が装填された密閉したコンテナ内に窒素を送り込んで酸素を追い出し（工程１）、その状態で、段階を踏みつつ、コンテナ内に組み込んだヒータを用いてコンテナの内部温度を上昇させていく（工程２〜５）。工程２では水分を、工程３では塩素を、工程４及び５では高分子ガスを抽出できる。工程６又は所定時間以上放置後のコンテナ内には、再利用可能な炭素や金属が残る。無酸素雰囲気内での加熱であるため、二酸化炭素やダイオキシン類等は生じない。ヒータ内蔵型のコンテナを使用するため、炉が不要であり処理効率も高い。二酸化炭素もダイオキシン類も発生せず、炭素（例えば不活性炭素）、金属等を再利用可能な形態で回収でき、省スペース・省エネルギー・低コストな処理システムが得られる。また、得られた不活性炭素を賦活処理して、カーボンナノチューブや活性炭を連続的に大量生産することもできる。 The feces are then completely converted to activated carbon 7 by the recycling device 6.
A recycling apparatus 6 capable of processing feces (solid content) into activated carbon 7 has been conventionally known. For example, according to Patent Document 1, nitrogen is fed into a sealed container in which an object to be treated is loaded to expel oxygen (step 1), and in this state, a heater incorporated in the container is taken while taking steps. It is used to raise the internal temperature of the container (steps 2 to 5). In step 2, moisture can be extracted, in step 3, chlorine can be extracted, and in steps 4 and 5, polymer gas can be extracted. Carbon or metal which can be reused remains in the container after being left in Step 6 or for a predetermined time or longer. Since it is heating in an oxygen-free atmosphere, carbon dioxide and dioxins are not produced. Since a heater built-in type container is used, no furnace is required and the processing efficiency is high. No carbon dioxide or dioxins are generated, and carbon (for example, inert carbon), metal, etc. can be recovered in a reusable form, and a space-saving, energy-saving and low-cost processing system can be obtained. Further, the obtained inert carbon can be activated to continuously mass-produce carbon nanotubes and activated carbon.

このようにして、糞は活性炭７に変換される。活性炭は、炭素を主成分とする多孔質の物質であり、その微細な穴に多くの物質を吸着させる性質がある。活性炭の表面が非極性の性質を持つため、水のような極性分子は吸着力が低く、穴より小さな粒状の有機物を選択的に吸着しやすい。その性質を利用して、活性炭は脱臭や水質浄化など、有害物質の吸着に用いられる。また活性炭は加熱・煮沸によって吸着物質を放出し再利用することができる。   In this way, feces are converted into activated carbon 7. Activated carbon is a porous substance mainly composed of carbon and has a property of adsorbing many substances in its fine holes. Since the surface of the activated carbon has a non-polar nature, polar molecules such as water have a low adsorption power and tend to selectively adsorb granular organic substances smaller than the holes. Using this property, activated carbon is used for adsorption of harmful substances such as deodorization and water purification. Activated carbon can be reused by releasing adsorbed substances by heating and boiling.

一方、特許文献２から浄化槽処理水の脱色処理機能を備えた固液分離システムが知られている。図１に示す再資源化設備１００ではこのような高度処理システムが設けられており、浄化槽８、高度処理部９及び高度処理水槽１０を備えている。分離装置３にて分離された水分は浄化槽８へ送られ、曝気処理される。   On the other hand, Patent Document 2 discloses a solid-liquid separation system having a function of decolorizing treatment water from a septic tank. The recycling facility 100 shown in FIG. 1 is provided with such an advanced treatment system, and includes a septic tank 8, an advanced treatment unit 9, and an advanced treatment water tank 10. The water separated by the separation device 3 is sent to the septic tank 8 and aerated.

高度処理部９では、浄化槽８で曝気処理した濾液にポリ硫酸第二鉄を加える手段、ポリ硫酸第二鉄が加えられた液を導入して攪拌反応させる第１の反応タンク、該第１の反応タンクで処理された液を第２の反応タンクへ移送する途上で有機凝集剤を加える手段、第２の反応タンクで反応処理されて固体と液体成分に分離させたスラリーを傾斜配置されて連続駆動されるスクリーンコンベアの上流側の低い位置に供給する手段、連続的にコンベアで搬送中のスラリーを圧搾処理して固液分離する手段を備えている。   In the advanced treatment section 9, means for adding ferric sulfate to the filtrate aerated in the septic tank 8, a first reaction tank for introducing and stirring the liquid added with the ferric polysulfate, the first Means for adding an organic flocculant in the course of transferring the liquid treated in the reaction tank to the second reaction tank, and the slurry that has been reacted in the second reaction tank and separated into solid and liquid components are arranged in an inclined manner Means for supplying to the lower position on the upstream side of the driven screen conveyor and means for solid-liquid separation by squeezing the slurry being conveyed on the conveyor continuously.

そして、固液分離する手段は、スクリーンコンベアの往路上面に搾りローラを複数段設けることで構成され、下流側に向かって上昇搬送する間に、その自重と搾りローラによる圧力でスラリーの液分が分離してスクリーンコンベアの網目から落下し（濾液）、固形分はその下流側端部から落下することによって固液分離が行われる。   The means for solid-liquid separation is configured by providing a plurality of squeezing rollers on the upper surface of the forward path of the screen conveyor, and the liquid content of the slurry is reduced by its own weight and the pressure of the squeezing roller while it is transported upward toward the downstream side. It separates and falls from the mesh | network of a screen conveyor (filtrate), and solid-liquid separation is performed by solid content falling from the downstream edge part.

よって、この高度処理システムは、分離装置３に代えて、畜産汚物処理工程における当初の糞等の固液分離にも兼用できる。   Therefore, this advanced treatment system can also be used for solid-liquid separation of initial feces and the like in the livestock waste disposal process, instead of the separation device 3.

このようにしてスクリーンコンベアから落下した濾液は別な分離槽に移されて、曝気処理が施された後、高度処理水槽１０に溜められる。浄化槽８内の水は、例えばｐＨ６．８、生化学的酸素要求量（ＢＯＤ）１００ＰＰＭ程度を有するのに対し、高度処理部９での処理を終えた高度処理水槽１０内の水は、例えばｐＨ６．３、生化学的酸素要求量（ＢＯＤ）８ＰＰＭ程度となり、良好な高度処理水となる。この高度処理水槽１０内の水は豚舎１の洗浄などに用いることができる。   The filtrate dropped from the screen conveyor in this manner is transferred to another separation tank, subjected to aeration treatment, and then stored in the advanced treatment water tank 10. The water in the septic tank 8 has, for example, a pH of 6.8 and a biochemical oxygen demand (BOD) of about 100 PPM, whereas the water in the highly treated water tank 10 that has finished the treatment in the advanced treatment unit 9 has, for example, a pH of 6 .3, Biochemical oxygen demand (BOD) is about 8 PPM, which is a good advanced treated water. The water in the highly treated water tank 10 can be used for washing the pig house 1 or the like.

そして、この高度処理水を活性炭７によってさらに濾過１１することで純水を得ることができる。このためには、高度処理水に活性炭７を入れた状態で数時間静置させればよい。このようにして再利用可能な水（純水）１２が得られ、例えば家畜の飲料水に使用できる。もちろん、再利用可能な水（純水）１２は家畜を飼育する畜舎の洗浄に使用されてもよい。   The highly treated water is further filtered 11 with activated carbon 7 to obtain pure water. For this purpose, the activated carbon 7 may be allowed to stand for several hours in the highly treated water. In this way, reusable water (pure water) 12 is obtained and can be used, for example, for drinking water for livestock. Of course, the reusable water (pure water) 12 may be used for cleaning a barn where livestock are raised.

従って本発明によれば、家畜から排出された排せつ物は適切な処理を施すことにより、炭化した固形分と浄化した水分に分けられ、さらに浄化した水分は炭化した固形分で濾過することでより純度の高い純水にすることができる。純水は畜舎内で再利用可能なため、畜舎から外部へ排出しなければならない廃棄物は大幅に低減される。再資源化設備１００内で、廃棄物を殆ど排出することなく資源循環が形成され、環境に対する悪影響が殆どない。   Therefore, according to the present invention, the excrement discharged from livestock is divided into carbonized solids and purified water by performing an appropriate treatment, and the purified water is further purified by filtering with the carbonized solids. High purity water. Since pure water can be reused in the barn, the amount of waste that must be discharged from the barn is greatly reduced. In the recycling facility 100, a resource circulation is formed with almost no waste, and there is almost no adverse effect on the environment.

また本発明は、豚舎１から出る豚の排せつ物に限らず、牛舎から出る牛の排せつ物や鶏舎から出る鶏の排せつ物にも応用することができる。再資源化設備からの臭気の放出は大幅に抑制され、郊外のみならず都市部においても再資源化設備の建設が可能となる。分離装置３や高度処理システムや再資源化装置６はコンパクトなため、広い設置スペースを要しない。   Further, the present invention is not limited to the pig excretion from the pig house 1 but can be applied to cattle excretion from the barn or chicken excretion from the poultry house. The release of odors from the recycling facility is greatly suppressed, and it is possible to construct the recycling facility not only in the suburbs but also in urban areas. Since the separation device 3, the advanced processing system, and the recycling device 6 are compact, a large installation space is not required.

２ 集積槽
３ 分離装置
６ 再資源化装置
９ 高度処理システム
１１ 濾過
１２ 再利用可能な水
１００ 再資源化設備
2 Accumulation tank 3 Separation device 6 Recycling device 9 Advanced treatment system 11 Filtration 12 Reusable water 100 Recycling equipment

Claims (6)

家畜から排出された排せつ物を収集する集積槽（２）と、前記集積槽（２）の前記排せつ物を水分と固形分に分離する分離装置（３）と、前記固形分を処理して活性炭（７）を得る再資源化装置（６）と、前記水分を浄化する高度処理システムと、を備え、
浄化した前記水分を前記活性炭（７）によって濾過（１１）することで再利用可能な水（１２）を得る、ことを特徴とする再資源化設備（１００）。 An accumulation tank (2) for collecting excrement discharged from livestock, a separation device (3) for separating the excrement in the accumulation tank (2) into moisture and solids, activated carbon (7 And a recycling apparatus (6) for obtaining the water, and an advanced treatment system for purifying the water,
A reusable facility (100) characterized in that reusable water (12) is obtained by filtering (11) the purified water through the activated carbon (7). 前記分離装置（３）は、前記排せつ物のうちの糞を収容し発酵させてメタンガスを発生させた糞の残滓として前記固形分を生成する固形分生成装置（２０）と、前記排せつ物のうちの尿を収集して尿から主に水分のみ分離する水分生成装置（３０）と、を備える、ことを特徴とする請求項１に記載の再資源化設備（１００）。   The separation device (3) includes a solid content generating device (20) that generates the solid content as a residue of feces that contains feces in the excrement and is fermented to generate methane gas, and urine in the excrement. The water recycling apparatus (100) according to claim 1, further comprising a water generation device (30) that collects the water and separates mainly water from urine. 前記再利用可能な水（１２）は家畜の飲料水に使用される、ことを特徴とする請求項１又は２に記載の再資源化設備（１００）。   Recycling facility (100) according to claim 1 or 2, characterized in that the reusable water (12) is used for livestock drinking water. 家畜を飼育する畜舎（１）をさらに備え、前記再利用可能な水（１２）は前記畜舎（１）の洗浄に使用される、ことを特徴とする請求項１〜３のいずれか一項に記載の再資源化設備（１００）。   4. A barn (1) for raising livestock, wherein the reusable water (12) is used for washing the barn (1). The recycling facility as described (100). 前記固形分を乾燥させながら炭化する炭化装置（４）が、前記分離装置（３）と前記再資源化装置（６）の間に設けられ、
前記炭化装置（４）は、前記固形分にレーザー光を照射して炭化するレーザー炭化装置（４１）と、前記固形分を真空乾燥させる真空式乾燥装置（４２）を有する、ことを特徴とする請求項１〜４のいずれか一項に記載の再資源化設備（１００）。 A carbonization device (4) for carbonizing the solid content while drying is provided between the separation device (3) and the recycling device (6),
The carbonization device (4) has a laser carbonization device (41) that irradiates the solid content with laser light to carbonize, and a vacuum drying device (42) that vacuum-drys the solid content. The recycling facility (100) according to any one of claims 1 to 4. 前記固形分を乾燥させながら炭化する炭化装置（４）が、前記分離装置（３）と前記再資源化装置（６）の間に設けられ、
前記炭化装置（４）は、前記固形分にレーザー光を照射して炭化するレーザー炭化装置（４１）と、前記固形分を温風乾燥させる温風式乾燥装置を有する、ことを特徴とする請求項１〜４のいずれか一項に記載の再資源化設備（１００）。
A carbonization device (4) for carbonizing the solid content while drying is provided between the separation device (3) and the recycling device (6),
The carbonization device (4) includes a laser carbonization device (41) that irradiates the solid content with laser light to carbonize, and a hot air drying device that dries the solid content with hot air. Item 5. The recycling facility (100) according to any one of Items 1 to 4.
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