JPH04114986A - High-speed fermentation treatment of organic material - Google Patents
High-speed fermentation treatment of organic materialInfo
- Publication number
- JPH04114986A JPH04114986A JP2230588A JP23058890A JPH04114986A JP H04114986 A JPH04114986 A JP H04114986A JP 2230588 A JP2230588 A JP 2230588A JP 23058890 A JP23058890 A JP 23058890A JP H04114986 A JPH04114986 A JP H04114986A
- Authority
- JP
- Japan
- Prior art keywords
- fermentation
- tank
- fermenter
- period
- prescribed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 41
- 230000004151 fermentation Effects 0.000 title claims abstract description 41
- 239000011368 organic material Substances 0.000 title description 2
- 244000005700 microbiome Species 0.000 claims abstract description 20
- 239000002361 compost Substances 0.000 claims abstract description 12
- 230000012010 growth Effects 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 241001465754 Metazoa Species 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000004062 sedimentation Methods 0.000 claims description 15
- 239000005416 organic matter Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 210000003608 fece Anatomy 0.000 abstract description 9
- 239000000047 product Substances 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 abstract description 7
- 239000010871 livestock manure Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000005273 aeration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000013067 intermediate product Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 235000019645 odor Nutrition 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 241000186361 Actinobacteria <class> Species 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000008654 plant damage Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 101150109958 CAPN5 gene Proteins 0.000 description 1
- 102100030006 Calpain-5 Human genes 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 206010037833 rales Diseases 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Fertilizers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は動物糞単体またはこれを主成分とする有機混合
物を高速に発酵させ、良質の堆肥を製造する方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for producing high-quality compost by fermenting animal manure alone or an organic mixture containing animal manure as a main component at high speed.
有機物の高速発酵処理設備としては、従来長方形の上面
が開放された発酵槽に専用の攪拌機がイリいた開放型、
スクレーバ型、あるいは円筒形をした密閉型の発酵槽に
専用の攪拌機、通気装置（−部無いものもある）、加熱
装置（一部無いものもある）を取り付けた密閉型がある
。これらの高速発酵処理設備を用いると、発酵が速く製
品の品質も均一で、しかも大量生産が可能であるので全
国的にかなり使用されている。なお、これらの設備はお
おむね３〜３０日程度処理した後、後熟用の堆肥舎（堆
積槽）で堆積発酵させるのが一般的である（全農施設・
資利部編 家畜のふん尿処理利用施設・機械の構造 昭
和６０年）。Conventional high-speed fermentation processing equipment for organic matter is the open type, which has a rectangular fermenter with an open top and a dedicated agitator.
There are closed types that have a scraper type or a cylindrical closed type fermenter equipped with a dedicated stirrer, aeration device (some models do not have a negative part), and a heating device (some models do not have a part). Using these high-speed fermentation processing equipment, fermentation is fast, product quality is uniform, and mass production is possible, so they are widely used throughout the country. In addition, in these facilities, after processing for approximately 3 to 30 days, it is common to pile up and ferment in a post-ripening compost house (sediment tank) (Zen-Noh Facilities/
Structure of facilities and machines used for processing livestock excrement (edited by the Resources and Resources Department, 1985).
しかし、この様な有機物の高速発酵処理方法には多くの
課題が存在している。However, there are many problems with such high-speed fermentation treatment methods for organic substances.
たとえば開放型の発酵槽を第９図に示すが、攪拌機１０
は単に切り返し機能だけで破砕機能がないため、発酵処
理物９の細粒化が行われず、その結果発酵速度は比較的
遅くなる。したがって、標準的な品質の製品堆肥を得る
ための処理時間が長くなり、設備費が高くなる。また、
大屋根構造どなっているため、脱臭対策が取りにくい事
に加えて蝿の近寄りをふぜぎ難く、環境衛生問題も多い
。For example, an open type fermenter is shown in FIG.
Since it only has a turning function and does not have a crushing function, the fermented product 9 is not made into fine particles, and as a result, the fermentation rate becomes relatively slow. Therefore, the processing time to obtain a standard quality product compost becomes longer and the equipment cost becomes higher. Also,
Due to the large roof structure, it is difficult to take measures to deodorize, and it is also difficult to attract flies, causing many environmental hygiene problems.
一方、密閉型の発酵槽では上記の問題点は解決されるが
、発酵槽で２〜７日処理した後後熟用の堆肥舎で堆積発
酵させるため、２〜７日の発酵滞留時間分の密閉容器（
例えば鋼製）を作らねばならず、発酵槽の設備費が高い
。したがって、発酵槽の設備費を下げるために、後熟用
の堆肥舎での堆積発酵期間を極端に延長しない範囲で発
酵槽の処理時間をいかに設定するかが課題となっている
。On the other hand, with a closed fermenter, the above problems are solved, but after processing in the fermenter for 2 to 7 days, it is piled up and fermented in a post-ripening compost house, so the fermentation residence time of 2 to 7 days is Airtight container (
For example, it must be made of steel), and the equipment costs for the fermenter are high. Therefore, in order to reduce equipment costs for fermenters, the challenge is how to set the processing time of fermenters within a range that does not excessively extend the fermentation period in the post-ripening compost house.
本発明は、動物糞単体またはこれと含水率調整剤との混
合物を原料とし、これらを発酵槽に投入して発酵処理し
、その後堆積槽で発酵させて製品堆肥を製造する方法に
おいて、発酵槽滞留時間を高温性微生物の対数増殖期間
の三分の一以」二に設定することを特徴とする有機物の
高速発酵処理方法である。The present invention provides a method for producing a product compost by using animal excrement alone or a mixture of it and a moisture content regulator as a raw material, charging it into a fermentation tank for fermentation treatment, and then fermenting it in a sedimentation tank. This is a high-speed fermentation treatment method for organic matter, characterized by setting the residence time to one-third or more of the logarithmic growth period of thermophilic microorganisms.
本発明は発酵槽の有機物を安定化し、無臭化する。 The present invention stabilizes the organic matter in the fermenter and makes it odorless.
作用を説明するために、本発明を実施する手段である発
酵槽と後熟用の堆積槽の装置構成について説明する。発
酵槽本体６は、第１図に示すように原料等を投入する投
入口１、中間製品を排出する排出口２、処理途中に内容
物を加熱する加熱装置３、処理途中の内容物が嫌気的に
ならないように換気する換気装置４、そして内容物を均
一に攪拌し処理物を細粒化する攪拌装置５から構成され
ている。In order to explain the operation, the device configurations of a fermenter and an after-ripening deposition tank, which are means for carrying out the present invention, will be described. As shown in Fig. 1, the fermenter main body 6 includes an input port 1 for inputting raw materials, etc., a discharge port 2 for discharging intermediate products, a heating device 3 for heating the contents during processing, and an anaerobic system for the contents during processing. It is comprised of a ventilation device 4 that ventilates the air so that it does not become a target, and a stirring device 5 that uniformly stirs the contents and pulverizes the processed material.
ここで、加熱装置３は内容物温度を５０〜７０°Ｃに昇
温する能力のあるものでなくてはいけない。Here, the heating device 3 must be capable of raising the temperature of the contents to 50 to 70°C.
また、攪拌装置５はできるだけ内容物が攪拌・細粒化で
きるものが良い。Further, the stirring device 5 is preferably one that can stir and pulverize the contents as much as possible.
一方、堆積槽は第２図に示すように、堆積槽１１内部が
嫌気的になったり７０°Ｃ以上の高温になったりしない
ように底吹装置７、底吹ブロワ−８を具備している。さ
らに、堆積［１１内部の均一性を確保するために、定期
的に切り返すためのショベルカーなどの切り返し装置を
用いると良い。On the other hand, as shown in FIG. 2, the sedimentation tank is equipped with a bottom blower 7 and a bottom blower 8 to prevent the inside of the sedimentation tank 11 from becoming anaerobic or reaching a high temperature of 70°C or higher. . Further, in order to ensure uniformity inside the deposited material 11, it is preferable to use a turning device such as a shovel car for periodically turning the material.
有機物の流れであるが、投入口１より原料有機物、所定
割合の種菌用製品堆肥、そして前２者の混合で含水率が
７０９６をこえる場合には含水率調整剤が投入される。Regarding the flow of organic matter, raw organic matter, a predetermined ratio of product compost for starter, and, if the moisture content of the mixture of the former two exceeds 7096, a moisture content regulator is input from the input port 1.
これらの混合物が加熱、攪拌、換気されて発酵が始まる
。そして所定時間発酵槽で発酵した中間製品は排出口２
から取り出され、後熟用堆積槽１１に運ばれる。堆積槽
１１で切り返し、底吹通気操作をうけて所定期間後熟さ
れ、完熟堆肥となる。These mixtures are heated, stirred, and ventilated to begin fermentation. The intermediate products fermented in the fermenter for a predetermined period of time are discharged from the outlet 2.
and transported to the post-ripening sedimentation tank 11. It is turned over in the sedimentation tank 11, subjected to bottom blowing aeration, and ripened after a predetermined period of time to become fully ripened compost.
発酵槽での発酵過程は、第３図に示すように、高温性微
生物（高温性細菌、高温性放線菌）数の推移で表される
。高温性微生物は対数増殖期、生育減衰期、定常期と菌
数が推移し増殖する。The fermentation process in the fermenter is represented by the change in the number of thermophilic microorganisms (thermophilic bacteria, thermophilic actinomycetes), as shown in FIG. Thermophilic microorganisms proliferate through a logarithmic growth phase, a growth decay phase, and a stationary phase.
一方、有機物の発酵完熟程度は水抽出物中の有機態炭素
と有機態窒素の比率で現される。この比率を有機態Ｃ／
Ｎ比と呼ぶ。Ｍ、 ｌ＋ｊｒａｉ、 Ａ Ｓｔａｎｄａ
ｒｄＭｅａｓｕｒｅｍｅｎｔ Ｆｏｒ Ｃｏｍｐｏ
ｓｔ Ｍａｔｕｒｊｔｙ、ＢｉｏｃｙｃｌｅＮｏｖｅ
ｍｂｅｒ／Ｄｅｃｅｍｂｅｒ １９８３によれば、有機
態Ｃ／Ｎ比が５〜６の範囲に入れば有機物の発酵は終了
しているといわれている。On the other hand, the degree of complete fermentation of organic matter is expressed by the ratio of organic carbon to organic nitrogen in the water extract. This ratio is organic C/
It is called the N ratio. M, l+jrai, A Standa
rdMeasurement For Compo
st Maturjty, BiocycleNove
According to Miber/December 1983, it is said that fermentation of organic matter is complete when the organic C/N ratio falls within the range of 5 to 6.
第８図に示すように、有機態Ｃ／’Ｎ比と高温性微生物
数の変化パターンはよく似ている。言い換えれば、発酵
槽で高温性微生物が対数増殖している時は有機態Ｃ／Ｎ
比は大きく増加変化し、有機物は激しく発酵し完熟化す
る。次に、高温性微生物の増殖が定常期に入ると有機態
Ｃ／Ｎ比は漸増もしくは一定値となり、発酵はほぼ終了
し後熟している。実施例で述べるが、発酵槽に於いてど
れくらい高温性微生物を増殖させるか、すなわち高温性
微生物を指標として発酵槽滞留時間をどの程度に設定す
るかが全体の発酵日数を決定する。As shown in Figure 8, the change patterns of the organic C/'N ratio and the number of thermophilic microorganisms are very similar. In other words, when thermophilic microorganisms are growing logarithmically in the fermenter, organic C/N
The ratio increases greatly, and the organic matter ferments vigorously and becomes fully ripe. Next, when the growth of thermophilic microorganisms enters the stationary phase, the organic C/N ratio gradually increases or becomes a constant value, and fermentation is almost completed and after-ripening occurs. As will be described in Examples, the total number of days for fermentation is determined by how long the thermophilic microorganisms are grown in the fermenter, that is, how long the fermenter residence time is set using the thermophilic microorganisms as an indicator.
また、発酵槽に於いてどれくらい高温性微生物を増殖さ
せるかは、発酵過程の処理品無臭性をも決定する。すな
わち、発酵槽においては高温性細菌の作用で硫黄系悪臭
、堆積槽に於いては高温性放線菌の作用で窒素系や炭化
水素系悪臭が無臭化されるため、効果的な発酵過程の無
臭化には高温性微生物の増殖が大きく影響する。Furthermore, the degree to which thermophilic microorganisms are grown in the fermenter also determines the odorlessness of the processed product during the fermentation process. In other words, in the fermentation tank, sulfur-based odors are eliminated by the action of thermophilic bacteria, and in the sedimentation tank, nitrogen- and hydrocarbon-based odors are eliminated by the action of thermophilic actinomycetes, resulting in an effective odor-free fermentation process. The growth of thermophilic microorganisms has a large effect on
第１図を用いて実施例を説明する。原料として牛糞１０
００ｋｇ、製品堆肥２５０ｋｇ、含水率調整剤（おがく
ず） ８８ｋｇを発酵槽本体６に入れ、３者の混合後の
含水率が７００６となるようにした。投入直後から換気
（３ｍ３／＋ｎ１ｎ） 、ｔ’Ａ拌（Ｉ ｒｐｎ＋ ）
、加熱（鉄汝温度７０’Ｃ）操作を加え発酵させた。An example will be explained using FIG. Cow dung as raw material 10
00 kg, 250 kg of product compost, and 88 kg of a moisture content regulator (sawdust) were put into the fermenter main body 6, so that the moisture content after mixing the three was 7006. Ventilation (3m3/+n1n) and t'A stirring (I rpn+) immediately after charging
Fermentation was then carried out by heating (temperature: 70'C).
その後押々の発酵槽滞留時間だけ発酵槽で処理し、後熟
用の堆積槽に堆積さぜ、底吹通気（２００〜１０００
（！ ／ｍｉｎ／Ｉｎ”堆積物×１〜３時間／口）、切
り返しくショベルカーで４１Ｆに１回）操作を行−）
ｙ、＝ 。After that, it is processed in the fermenter for the fermenter residence time, and then deposited in the sedimentation tank for post-ripening.
(!/min/In" deposit x 1 to 3 hours/mouth), perform the operation once every 41F with a shovel car.
y,=.
各操業の発酵開始直後からの高温性微生物数および有機
態Ｃ、／ Ｎ比の推移を第４〜８図に、結果を第１表に
示す。ここで、発酵１１数とは有機態Ｃ／Ｎ比が５〜６
の範囲に入り、かつ５１１間安定するのに要した１」数
である。また、Ｉ−１は高温性微生物の対数増殖期間で
あり、本実施例の場合１０時間である。植害試験（幼植
物試験）とは、５９農蚕１９４３号（昭和５９年４月１
８［１・農林水産省農蚕園芸局長通達）に定めである方
法に準する。The changes in the number of thermophilic microorganisms and the organic C,/N ratio immediately after the start of fermentation in each operation are shown in Figures 4 to 8, and the results are shown in Table 1. Here, the fermentation number 11 means that the organic C/N ratio is 5 to 6.
This is the number of 1'' required to enter the range and remain stable for 511 hours. Further, I-1 is the logarithmic growth period of thermophilic microorganisms, which is 10 hours in this example. Plant damage test (seedling test)
8 [1. Notification of the Director-General of the Agriculture, Forestry and Fisheries Bureau of the Ministry of Agriculture, Forestry and Fisheries].
第 １
表
Ｎα２〜５では第５〜８図に示すように発酵槽処理時間
内で有機態Ｃ／Ｎ比および高温性微生物数が急激に増加
した。そして堆積槽では両者ども漸増し、Ｎα５で１７
日、Ｎα４で２１日、ＮＣＬ３で２５日、Ｎα２で３０
日で発酵は終了した。これら囲者は植害試験において発
芽障害はなく、発育も順調であった。As shown in Figures 5-8, in Table 1 Nα2-5, the organic C/N ratio and the number of thermophilic microorganisms increased rapidly within the fermenter treatment time. In the sedimentation tank, both of them gradually increased to 17 at Nα5.
day, 21 days for Nα4, 25 days for NCL3, 30 days for Nα2
Fermentation was completed in a day. These fences had no germination problems in the planting damage test, and growth was good.
Ｎα１では、明らかに堆積槽での有機態Ｃ／Ｎ比や高温
性微生物数の増加が微少で、発酵終了の傾向を示した５
０日後においてもなお植害試験において発芽障害が発生
し、加えて発育も不良であり、５０日間より多くの発酵
日数を要することが分かっ／こ 。In Nα1, there was clearly a slight increase in the organic C/N ratio and the number of thermophilic microorganisms in the sedimentation tank, indicating a tendency for fermentation to end5.
Even after 0 days, germination failure still occurred in the plant damage test, and in addition, growth was poor, and it was found that more fermentation days were required than 50 days.
以上の結果から、発酵槽滞留時間は少なくとも高温性微
生物の対数増殖期間の三分の一以上必要であることが分
かる。From the above results, it can be seen that the residence time in the fermenter is required to be at least one third of the logarithmic growth period of the thermophilic microorganism.
なお、生菌数測定法は、高温性細菌用の培地として標準
寒天培地、アルブミン寒天培地を用いたが、培地の選定
法等についてはに、 Ｎａｋａｓａｋｉ、 １９８４Ｃ
ｈａｎｇｅ ｉｎ Ｍｉｃｒｏｂｉａｌ Ｎｕｍ
ｂｅｒｓ ｄｕｒｉｎｇ Ｔｔ＋ｅｒｍｏｐｈｉＩｉ
ｃ Ｃｏｍｐｏｓｔｉｎｇ ｏｆ Ｓｅｗａｇｅ ｓｌ
ｕｄｇｅ ｗｅｌｔ Ｒｅｆｅｒｅｎｃ、ｅ ｔｏ
ＣＬ ＩＥｖｏｌｕｔｉｎｇ ＲａＬｅ、八ｐｐｌ
ｉｄｅ ａｎｄ Ｔｈｎｖｉｒｏｎｍｅｒ＋ｔａｌ
ｌ＋Ｎｃｒｏｂｉｏｌｏｇｙ、 Ｊａｎ、 １９８５
． ｐ、 ３７−４１に示される通りである。In addition, the method for measuring the number of viable bacteria used a standard agar medium and an albumin agar medium as a medium for thermophilic bacteria, but the method for selecting a medium is described in Nakasaki, 1984C.
Hange in Microbial Number
bers during Tt+ermophiIi
c Composting of Sewage sl
udge welt Reference, e to
CL IEvoluting RaLe, 8ppl
ide and Thnvironmer+tal
l+Ncrobiology, Jan, 1985
．． As shown in p. 37-41.
一方、有機物の臭いであるが、Ｎα１で強い真実がした
他は無臭であった。環境衛生上の問題を考えると、少な
くともＮα２以上の発酵槽滞留時間が必要である。On the other hand, although it had an organic odor, it was odorless except for a strong odor at Nα1. Considering environmental hygiene issues, a fermenter residence time of at least Nα2 or more is required.
本実施例では牛糞を用いたが、種々の実験結果より他の
有機物、例えば豚糞、鶏糞でも同じ傾向を示した。従っ
て、本発明は牛糞に限定されるものではない。含水率調
整剤もおがくず、パーク等の有機質資材、石炭灰、ゼオ
ライト等の無機質資材等が使用可能である。Although cow dung was used in this example, various experimental results showed that other organic substances, such as pig dung and chicken dung, showed the same tendency. Therefore, the present invention is not limited to cow dung. As the moisture content regulator, organic materials such as sawdust and perk, and inorganic materials such as coal ash and zeolite can be used.
なお、本発明における発酵槽での滞留時間と堆積槽での
堆積時間の最適値は、第５図に示すように発酵槽滞留時
間を高温性微生物の対数増殖期間の１７３とし、残りを
堆積槽での堆積時間とする。In addition, the optimum values of the residence time in the fermenter and the deposition time in the sedimentation tank in the present invention are as shown in FIG. Let the deposition time be .
つまりこの場合、発酵槽および堆積槽全体の設備費、ラ
ンニングコストが最小となる。また、堆積槽の場所に制
限がある場合は、適宜、例えば第７．８図に示す時間で
実施してもよい。In other words, in this case, the equipment costs and running costs for the entire fermentation tank and sedimentation tank are minimized. Furthermore, if there is a restriction on the location of the deposition tank, it may be carried out as appropriate, for example, at the time shown in FIG. 7.8.
本発明は、発酵槽と堆積槽との絹み合わせによる有機物
の発酵において発酵槽処理時間の最小値を決定できるた
め、高生産性の発酵処理が可能である。また、本発明で
は悪臭の発生、蝿の近寄りを防止でき、開放型発酵槽特
有の環境衛生上の問題点を解消できる。In the present invention, the minimum value of the fermentation tank processing time can be determined in the fermentation of organic matter by combining the fermentation tank and the sedimentation tank, so that highly productive fermentation processing is possible. Furthermore, the present invention can prevent the generation of bad odors and the approach of flies, and can solve the environmental hygiene problems peculiar to open fermenters.
第１図は本発明を実施するだめの発酵槽の構造を示す図
、
第２図は本発明を実施するための堆積槽の構造を示す図
、
第３図は一般的な高温性微生物数増殖曲線を示す図、
第４図〜第８図は実施例における高温性微生物数と有機
態Ｃ／Ｎ比の推移を示す図、
第９図は従来の開放型の発酵槽を示す図である。
１・・・投入口、２・・・排出口、３・・・加熱装置、
４・・・換気装置、５・・・攪拌装置、６・・・発酵槽
本体、７・・・底吹装置、８・・・底吹ブロワ−９・・
・発酵処理物、１０・・・攪拌機、１！・・・堆積槽。Figure 1 is a diagram showing the structure of a fermentation tank for implementing the present invention, Figure 2 is a diagram showing the structure of a sedimentation tank for implementing the present invention, and Figure 3 is a general example of thermophilic microorganism growth. Figures 4 to 8 are diagrams showing the curves; Figures 4 to 8 are diagrams showing changes in the number of thermophilic microorganisms and organic C/N ratio in Examples; Figure 9 is a diagram showing a conventional open type fermenter. 1... Input port, 2... Outlet port, 3... Heating device,
4... Ventilation device, 5... Stirring device, 6... Fermentation tank main body, 7... Bottom blowing device, 8... Bottom blowing blower 9...
・Fermented product, 10... Stirrer, 1! ...Sedimentation tank.
Claims (1)
を原料とし、これらを発酵槽に投入して発酵処理し、そ
の後堆積槽で発酵させて製品堆肥を製造する方法におい
て、発酵槽滞留時間を高温性微生物の対数増殖期間の三
分の一以上に設定することを特徴とする有機物の高速発
酵処理方法。(1) In a method in which animal excrement alone or a mixture of it and a moisture content regulator is used as a raw material, it is put into a fermenter for fermentation treatment, and then fermented in a sedimentation tank to produce product compost. A method for high-speed fermentation of organic matter, characterized in that the time is set to one-third or more of the logarithmic growth period of thermophilic microorganisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2230588A JPH04114986A (en) | 1990-09-03 | 1990-09-03 | High-speed fermentation treatment of organic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2230588A JPH04114986A (en) | 1990-09-03 | 1990-09-03 | High-speed fermentation treatment of organic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04114986A true JPH04114986A (en) | 1992-04-15 |
Family
ID=16910095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2230588A Pending JPH04114986A (en) | 1990-09-03 | 1990-09-03 | High-speed fermentation treatment of organic material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04114986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100429783B1 (en) * | 2001-09-12 | 2004-05-03 | 장태희 | Process for the rapid preparation of organic enzyme fertilizer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829273A (en) * | 1981-08-14 | 1983-02-21 | Hitachi Ltd | Noise detecting circuit for diode |
-
1990
- 1990-09-03 JP JP2230588A patent/JPH04114986A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829273A (en) * | 1981-08-14 | 1983-02-21 | Hitachi Ltd | Noise detecting circuit for diode |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100429783B1 (en) * | 2001-09-12 | 2004-05-03 | 장태희 | Process for the rapid preparation of organic enzyme fertilizer |
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