JPH0971491A - Production of whole organic fertilizer of granule by mixing digested and dehydrated sludge of sewage with several kind of organic matter consisting mainly of organic waste of farm and mountain village and granulating the mixture and subjecting granulate to treatment with micro wave - Google Patents

Production of whole organic fertilizer of granule by mixing digested and dehydrated sludge of sewage with several kind of organic matter consisting mainly of organic waste of farm and mountain village and granulating the mixture and subjecting granulate to treatment with micro wave

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Publication number
JPH0971491A
JPH0971491A JP7261949A JP26194995A JPH0971491A JP H0971491 A JPH0971491 A JP H0971491A JP 7261949 A JP7261949 A JP 7261949A JP 26194995 A JP26194995 A JP 26194995A JP H0971491 A JPH0971491 A JP H0971491A
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JP
Japan
Prior art keywords
organic
digested
sludge
fertilizer
water content
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.)
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JP7261949A
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Japanese (ja)
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JP3049412B2 (en
Inventor
Masami Horii
正実 堀井
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Individual
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Individual
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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
    • 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

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  • Fertilizers (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain granular whole organic fertilizer useful as a basal dressing of paddy by mixing digested and dehydrated sladge with organic waste, etc., of farm and mountain village in a specific ratio and granulating the mixture and treating the granules with microwave. SOLUTION: This method for producing granular whole organic fertilizer comprises the following five steps. (1) Water content of digested and dehydrated sludge 1 having about 76% water content using a polymer coagulating agent is reduced to about 60% by a kiln type drier 2. (2) The digested and dehydrated sludge is crushed by a crusher 3 and the sludge is mixed with chaff ash of organic waste of farm and mountain village and other organic matters, e.g. soybean oil cake, bone powder 91 to 96 , etc., by a mixer 4. Thereby, total content of nitrogen, phosphoric acid and potassium oxide which are three components of fertilizer is controlled to >=8% and water content of the sludge is reduced from about 60% to about 45%. (3) The mixture is granulated to globe having <=5 mm maximum diameter while jetting a granulating solution 11 by a rolling type granulating machine 101 . In this time, an aromatic agent is added thereto. (4) The granulates are treated with microwave so as to give evaporation heat by far-infrared ray or hot air. The water content of the granules is controlled to about 40% by microwave. (5) The granules are weighed by a weigher 16 and packed into a bag by a bagger 17.

Description

【発明の詳細な説明】 【０００１】［産業上の利用分野］都市の廃棄物の消化
脱水汚泥と、農村の有機廃棄物籾殻等に、有機質の油か
す、骨粉等を加え、造粒後マイクロ波処理して、顆粒全
有機質肥料を製造し、綺麗で有効な姿でリサイクルす
る。 【０００２】［従来の技術］今日、下水の消化脱水汚泥
の処分の方法としては、多くは″焼却処分″又は″埋立
て処分″である。此等の処分費用は共に１ｔ当り２万円
＋運賃である。又、好気性菌に依る発酵で堆肥を作る事
も出来るが、建設費が１０億円／１０ｔ／日と高価で、
而も堆肥として役立つ迄に１ケ月以上かかりコストが高
いので、自治体は採用を渋っている。又、焼却灰を溶融
し歩道板を作る試みも有る。重金属が多い場合はこれも
やむを得ない。 【０００３】［発明の解決しょうとする課題］厚生省は
平成８年度から始まる第８次廃棄物処理施設整備５ケ年
計画で、これ迄の国の焼却等の廃棄物対策を、ごみを捨
てずに再利用するリサイクルシステムに転換しょうとし
ている。当発明はこの趣旨に合致する。 【０００４】［発明の構成］最初に、１サイクルの消化
脱水汚泥に、その乾燥汚泥の重量の約８０％の″有機廃
棄物″例えば籾殻灰、炭化籾殻及びその他の有機質例え
ば油かす、骨粉等を混合し、混合しただけで含水率を約
１０％減少する。而る後″造粒″を行い、最後に″マイ
クロ波″で含水率を約６０％まで乾燥して、顆粒有機質
肥料を製造する。肥料３成分の合計含有率は、乾燥汚泥
が窒素約３％、燐酸約１％、酸化加里約０．５％で合計
４．５％であるが、有機廃棄物及び有機質の混合に依
り、当有機質肥料は、肥料３成分の合計含有率が約９〜
１０％と乾燥汚泥の約２倍となる。勿論有機質の種類や
配合割合に依り、肥料３成分の各割合は少々異なる。 【０００５】［実施例 １］ 消化脱水汚泥１２ｔ／
日、３６サイクル／日 【０００６】［実施例 ２］消化脱水汚泥中の固形物の
８０％重量の有機質を混合し、次の計算により、混合後
の含水率は混合するだけで７６％より６４％台に減少す
る。 【０００７】［発明の効果］消化脱水汚泥は含水率が８
０〜７５％で、親水性が強く、悪臭と不快感を伴い、い
ずれの下水処理場に於いてもその処分に大変困ってい
る。併し下水の消化脱水汚泥は多くの有機質を含んでお
り、一方農村は有機質不足に悩んでいる。そこで都市の
最も厄介な廃棄物と、農村で最も多い廃棄物の籾殻とい
う加里肥料源、他に不足する窒素、燐を油かす、骨粉等
で補い、此等をマイクロ波で処理して、顆粒全有機質肥
料とし、リサイクルする。また籾殻は灰にするのと同時
に炭化籾殼を作る。それを投入するのは畑の土壌を保温
するなど植物の成長を助けるからである。又、最後にマ
イクロ波を使用するが、マイクロ波は物質の内部より加
熱する内部加熱型で、悪臭と汚物感をなくし、殺菌、防
黴、雑草の種の不活性化に勝れ、枯草菌等の耐熱菌を９
０℃台で死滅させる。またマイクロ波は、顆粒有機質肥
料の造粒後の乾燥に依る変形や亀裂を防止する。蒸発熱
を補足する為に遠赤外線又は熱風を用い、外周の濃厚な
蒸気層を外に押出す。また当肥料は土壌の地力を高める
と共に、肥料３成分をバランス良く保有して蔬菜類、根
菜類共に有効である。又徐々に分解して作物が肥料やけ
しないし、植物の必須微量要素をバランス良く含む。Description: [Industrial field of application] Digested and dehydrated sludge of urban waste and organic waste such as rice husks of rural areas are added with organic oil residue, bone meal, etc. Wave-treated to produce granular all-organic fertilizer, which is recycled in a clean and effective form. [Prior Art] Today, most of the methods for disposing of digested and dehydrated sludge of sewage are "incineration disposal" or "landfill disposal". Both of these disposal costs are 20,000 yen per ton + fare. It is also possible to make compost by fermentation using aerobic bacteria, but the construction cost is as high as 1 billion yen / 10t / day,
Moreover, it takes more than one month to be useful as compost, and the cost is high, so local governments are reluctant to adopt it. There are also attempts to make sidewalk boards by melting incinerated ash. This is also unavoidable when there are many heavy metals. [Problems to be Solved by the Invention] The Ministry of Health and Welfare has a plan for the 5th year of the 8th waste treatment facility construction which started in 1996, and has taken measures against wastes such as incineration in the country so far without throwing away the garbage. I'm trying to switch to a recycling system that can be reused. The present invention meets this spirit. [Structure of the Invention] First, one cycle of digested and dehydrated sludge is added with about 80% of the weight of the dried sludge "organic waste" such as rice husk ash, carbonized rice husk and other organic substances such as oil dregs and bone meal. Are mixed, and the water content is reduced by about 10% only by mixing. After that, "granulation" is performed, and finally, "microwave" is performed to dry the water content to about 60% to produce a granular organic fertilizer. The total content of the three fertilizer components was about 3% for dry sludge, about 3% for nitrogen, about 1% for phosphoric acid, and about 0.5% for oxidized potassium, which was a total of 4.5%. However, it depends on the mixture of organic waste and organic matter. Organic fertilizers have a total content of three fertilizer components of about 9-
10%, which is about twice that of dry sludge. Of course, the ratios of the three components of the fertilizer are slightly different depending on the type of organic matter and the mixing ratio. [Example 1] Digested and dehydrated sludge 12t /
36 cycles / day [Example 2] 80% by weight of the organic matter in the digested dehydrated sludge was mixed, and the water content after mixing was reduced from 76% to the 64% level by simply mixing according to the following calculation. [Advantages of the Invention] Digested and dehydrated sludge has a water content of 8
It is 0 to 75%, has strong hydrophilicity, and has bad odor and discomfort, and it is very difficult to dispose of it at any sewage treatment plant. However, the digested and dehydrated sludge of sewage contains a lot of organic matter, while rural areas suffer from a shortage of organic matter. Therefore, the most troublesome wastes in the city and rice husks, which are the most wastes in the rural areas, are added as a fertilizer source, and nitrogen and phosphorus that are lacking in other areas are supplemented with oil residue, bone meal, etc. Use all organic fertilizer and recycle. In addition, the rice husk is made into ash and at the same time, a carbonized rice hull is made. The reason for adding it is to help the growth of plants by keeping the soil in the field warm. In addition, microwave is used at the end, but microwave is an internal heating type that heats from the inside of the substance, eliminating bad odor and filth, sterilizing, mildewproofing, inactivating seeds of weeds, Bacillus subtilis 9 heat-resistant bacteria such as
Kill at 0 ° C. Microwaves also prevent deformation and cracks due to drying after granulation of the granular organic fertilizer. Far infrared rays or hot air is used to supplement the heat of evaporation, and a thick vapor layer around the periphery is extruded to the outside. In addition, this fertilizer enhances soil fertility, and possesses three fertilizer components in a good balance, and is effective for both vegetables and root vegetables. In addition, it gradually decomposes to prevent the fertilizer from burning, and it contains essential trace elements of plants in a well-balanced manner.

【図面の簡単な説明】 【図１】顆粒全有機質肥料製造工程 平面図 【符号の説明】 １、 下水の消化脱水汚泥サイロ ２、 混合機 ２基 ３、 造粒機 ４、 マイクロ波装置 但し、遠赤外線または熱風で蒸
発熱補足 ５、 顆粒全有機質肥料サイロ ６、 炭化籾殻用小型マイクロ波装置 ７、 炭化籾殼破砕機 ８、 有機質収納ホッパー ４基 【図２】顆粒全有機質肥料製造工程 立面図 【図３】炭化籾殼用小型マイクロ波装置 立面図 有機質収納ホッパー ４基 立面図 【図４】マイクロ波装置 縦断面図 【符号の説明】 ９、 マイクロ波発振機 マグネトロン １０、 導波管 １１、 遠赤外線ヒーター １２、 排気孔 １３、 ベルトコンベヤー 【図５】マイクロ波装置 横断面図[Brief description of the drawings] [Fig. 1] Plan view of manufacturing process of all-organic fertilizer for granules [Explanation of reference signs] 1, Digestion and dehydration sludge silo for sewage 2, Mixer 2 units 3, Granulator 4, Microwave device Far infrared rays or hot air to evaporate heat supplement 5, granule all-organic fertilizer silo 6, small microwave device 7 for carbonized rice husks, carbonized rice husk crusher 8, organic storage hopper 4 groups [Fig. 2] Granular all-organic fertilizer manufacturing process vertical [Fig. 3] Small microwave device for carbonized rice hull Elevation view Organic storage hopper 4 units Elevation view [Fig. 4] Vertical cross-sectional view of microwave device [Description of symbols] 9, Microwave oscillator Magnetron 10, Waveguide Tube 11, Far-infrared heater 12, Exhaust hole 13, Belt conveyor [Fig. 5] Microwave device Cross-sectional view

【手続補正書】 【提出日】平成８年５月３１日 【手続補正２】 【補正対象書類名】明細書 【補正対象項目名】全文 【補正方法】変更 【補正内容】 【書類名】 明細書 【発明の名称】下水の消化脱水汚泥に、農山村の有機廃
棄物を主とした幾種かの有機物を混合して、造粒し、マ
イクロ波処理して、顆粒の全有機質肥料を製造する方法
及びその顆粒全有機質肥料 【特許請求の範囲】 【請求項 １】下水の消化脱水汚泥より顆粒全有機質肥
料を製造する方法 図面参考 （第１工程）高分子凝集剤を使用した含水率約７６％の
消化脱水汚泥をキルン式乾燥機を用いて含水率を約６０
％まで減少する。 （第２工程）粉砕した含水率約６０％の消化脱水汚泥
と、農山村の有機廃棄物の籾殻灰とその他有機質の大豆
油粕、骨粉などを混合する。肥料３成分、即ち窒素、燐
酸、酸化カリの合計含有量を８％以上とする。また混合
に依り、消化脱水汚泥の含水率を約６０％より約４５％
に低下させる。 （第３工程）混合物を造粒する。造粒は最大直径５ｍｍ
以下の球形とする。造粒機は、転動式とする。造粒液を
噴射しながら球形とする。この際、芳香剤も加える。 （第４工程）最終工程にマイクロ波を使用する。この際
遠赤外線または熱風で蒸発熱を補足する。マイクロ波に
依り含水率を約４０％とする。 （第５工程） 計量、袋づめを行う。 以上５工程からなる顆粒の全有機質肥料の製造方法 【請求項 ２】顆粒全有機質肥料 直径５ｍｍ以下の球形の全有機質肥料で化学肥料は一切
含んでいない。肥料３成分の含有率の合計が８％以上
で、田畑の元肥として有効である。 【発明の詳細な説明】 【０００１】［産業上の利用分野］都市の廃棄物の下水
消化脱水汚泥と、農山村の有機廃棄物籾殻灰、木質灰等
に、有機質の油かす、骨粉等を加え、造粒後マイクロ波
処理して、顆粒全有機質肥料を製造し、綺麗で有効な姿
でリサイクルする。 【０００２】［従来の技術］今日、下水の消化脱水汚泥
の処分の方法としては、多くは焼却処分又は埋立て処分
である。此等の処分費用は共に１ｔ当り約２万円〜３万
円＋運賃である。又、好気性菌に依る発酵で堆肥を作る
事も出来るが建設費が１日１０ｔ当たり１０億円と高価
で、而も堆肥として役立つ迄に１ケ月以上かかりコスト
が高いので、自治体は採用を渋っている。又、焼却灰を
溶融し歩道板を作る試みも有る。重金属が多い場合はこ
れもやむを得ない。 【０００３】［発明の解決しようとする課題］厚生省は
平成８年度から始まる第８次廃棄物処理施設整備５ケ年
計画で、これ迄の国の焼却等の廃棄物対策を、ごみを捨
てずに再利用するリサイクルシステムに転換しようとし
ている。当発明はこの趣旨に合致する。 【０００４】［発明の構成］最初に、消化脱水汚泥をキ
ルン乾燥し、その乾燥汚泥に農村の有機廃棄物、例えば
籾殻灰、及びその他の有機質例えば大豆油かす、骨粉等
を混合する。而る後″造粒″を行い、最後に″マイクロ
波″で含水率を約４０％まで乾燥して、顆粒有機質肥料
を製造する。肥料３成分の合計含有率は８％以上とす
る。勿論、汚泥や混合有機質の種類や配合割合に依り、
肥料３成分の各割合は少々異なる。 【０００５】 【実施例】 【０００６】 【発明の効果】消化脱水汚泥は含水率が８０〜７５％
で、親水性が強く、悪臭と不快感を伴い、いずれの下水
処理場に於いてもその処分に大変困っている。併し下水
の消化脱水汚泥は多くの有機質を含んでおり、一方農山
村は有機質不足に悩んでいる。そこで都市の最も厄介な
廃棄物の下水汚泥と農村で最も多い廃棄物の籾殼灰を使
用する。これには加里２．６％の他に珪酸９３％を含
み、又灰はアルカリ性の為、汚泥の土壌中の酸性化を中
和する。併し肥料３成分の合計が３％と少ないので余り
多くは使えない。木質灰は肥料３成分の含有率は高いが
塩分の為、入手困難である。ほかに不足する窒素、燐を
油粕、骨粉等で補い、肥料３成分の合計を約８％以上と
し、マイクロ波で処理して、顆粒全有機質肥料としてリ
サイクルする。最後にマイクロ波を使用するのは、マイ
クロ波は物質の内部より加熱する内部加熱型で、悪臭と
汚物感をなくし、殺菌、防黴、雑草の種の不活性化に優
れ、顆粒全有機質肥料の造粒後の乾燥による変形や亀裂
を防止する。比較的低温で以上の事が行われるので、有
機質の損失が少ない。蒸発熱を補足する為に遠赤外線又
は熱風を用い、外周の濃厚な蒸気層を外に押し出す。
また、当肥料は土壌の地力を高めると共に、元肥とし
て蔬菜類、根菜類、花卉類共に有効で果樹には果実を実
らせる。植物の必須元素もバランス良く含む。この顆粒
の全有機質肥料は無菌であるが、田畑に散布してから田
畑の微生物を呼びこみ、その繁殖を促し、田畑の土壌を
活性化する。土壌は軽いアルカリ性になる。また有機質
肥料として田畑にリサイクルし、収入を得るので、焼却
費用や埋立て費用の如き支出を節約する。 【図面の簡単な説明】 【図 １】 顆粒全有機質肥料製造 系統図 【図 ２】 転動式造粒機 立面図 【符号の説明】 １ 下水の消化脱水汚泥サイロ ２ キルン式乾燥機 脱水汚泥を乾燥する。 ３ 破砕機 ４ ミキサー ５ 篩い機 Ａ ６ 篩い機 Ｂ ７ 粉砕機 ８ 原料タンク ９１〜９６有機混和物容器及計量器 籾殻灰、大豆油
粕、骨粉、芳香剤等 １０１ 転動式造粒機平面図 １１ 造粒液タンク １２ 造粒液用ポンプ １３ マイクロ波装置 １４ 選別機 １５ 製品タンク １６ 計量機 １７ 包装シール機と出荷 １０２ 造粒機 正面図 １０３ 造粒機 側面図 【手続補正３】 【補正対象書類名】図面 【補正対象項目名】全図 【補正方法】変更 【補正内容】 【図１】 【図２】 [Procedure Amendment] [Submission Date] May 31, 1996 [Procedure Amendment 2] [Amendment Target Document Name] Specification [Amendment Target Item Name] Full Text [Amendment Method] Change [Amendment Content] [Document Name] Specification Book [Title of Invention] Digested and dehydrated sludge of sewage is mixed with several kinds of organic matter, mainly organic waste from agricultural and mountain villages, granulated and microwave-treated to produce granular organic fertilizer. Method and its granules Total organic fertilizer [Claims] [Claims] [Claim 1] Method for producing granular total organic fertilizer from sewage digested and dehydrated sludge Reference to Drawing (Step 1) Moisture content using polymer flocculant Using a kiln dryer, the water content of digested and dehydrated sludge of 76% is about 60.
%. (Second step) Digested and dehydrated sludge having a water content of about 60%, rice husk ash of organic waste from agricultural and mountain villages, and other organic soybean oil meal, bone meal and the like are mixed. The total content of the three fertilizer components, that is, nitrogen, phosphoric acid, and potassium oxide is set to 8% or more. Depending on the mixing, the water content of digested and dehydrated sludge is about 45% from about 60%.
To lower. (Third step) The mixture is granulated. Granulation is maximum diameter 5mm
The following spherical shape. The granulator shall be rolling type. While spraying the granulating liquid, make it spherical. At this time, a fragrance is also added. (Fourth step) Microwave is used in the final step. At this time, the heat of vaporization is supplemented with far infrared rays or hot air. The water content is set to about 40% by microwave. (Fifth step) Weigh and bag. A method for producing a granulated all-organic fertilizer consisting of the above-mentioned 5 steps. [Claim 2] A granulated all-organic fertilizer, which is a spherical all-organic fertilizer having a diameter of 5 mm or less and containing no chemical fertilizer. The total content of the three fertilizer components is 8% or more, which is effective as a field fertilizer. Description: [Industrial field of application] Sewage digestion and dehydration sludge of urban waste and organic waste such as rice husk ash and wood ash of agricultural and mountain villages are treated with organic oil residue, bone powder and the like. In addition, after granulation, microwave treatment is performed to produce granular organic fertilizer, which is recycled in a clean and effective manner. [Prior Art] Today, most of the methods for disposing of digested and dehydrated sludge of sewage are incineration or landfill. Both of these disposal costs are about 20,000 yen to 30,000 yen per ton + fare. It is also possible to make compost by fermentation using aerobic bacteria, but the construction cost is as high as 1 billion yen per 10 tons per day, and it takes more than one month to be useful as compost. I'm afraid. There are also attempts to make sidewalk boards by melting incinerated ash. This is also unavoidable when there are many heavy metals. [Problems to be Solved by the Invention] The Ministry of Health and Welfare is implementing the 8th waste treatment facility five-year plan starting in 1996, and is taking measures against waste such as incineration in the country so far without throwing away the waste. I am trying to switch to a recycling system that can be reused. The present invention meets this spirit. [Structure of the Invention] First, the digested and dehydrated sludge is kiln-dried, and the organic sludge of rural areas such as rice husk ash and other organic substances such as soybean oil residue and bone meal are mixed with the dried sludge. After that, "granulation" is performed, and finally, "microwave" is performed to dry the water content to about 40% to produce a granular organic fertilizer. The total content of the three fertilizer components should be 8% or more. Of course, depending on the type and mixing ratio of sludge and mixed organic matter,
The proportions of the three fertilizer components are slightly different. [Example] [0006] The water content of digested and dehydrated sludge is 80 to 75%.
However, it has a strong hydrophilicity and is accompanied by a bad odor and discomfort, and it is very difficult to dispose of it at any sewage treatment plant. However, the digested and dehydrated sludge of sewage contains a lot of organic matter, while agricultural and mountain villages suffer from a shortage of organic matter. Therefore, we use sewage sludge, which is the most troublesome waste in the city, and hull ash, which is the most common waste in rural areas. In addition to 2.6% potassium, it contains 93% silicic acid, and since ash is alkaline, it neutralizes the acidification of sludge in the soil. However, the total amount of the three fertilizer components is as small as 3%, so too much cannot be used. Wood ash has a high content rate of the three components of fertilizer, but it is difficult to obtain because of its salt content. In addition, supplement nitrogen and phosphorus that are deficient with oil cake, bone meal, etc., make the total content of the three components of the fertilizer about 8% or more, treat with microwave, and recycle as granular whole organic fertilizer. Finally, microwave is an internal heating type that heats the material from the inside, eliminating bad odors and filth, excellent in sterilization, mildew proofing and inactivation of weed seeds. Prevents deformation and cracks due to drying after granulation. Since the above is done at a relatively low temperature, there is little loss of organic matter. Far infrared rays or hot air is used to supplement the heat of vaporization, and a thick vapor layer around the periphery is pushed out.
In addition, this fertilizer enhances soil fertility and is effective as a base fertilizer for vegetables, root crops, and flowers, and makes fruits on fruit trees. It also contains essential plant elements in good balance. The all-organic fertilizer of this granule is aseptic, but after being applied to the fields, it attracts the field microorganisms, promotes their reproduction, and activates the field soil. The soil becomes lightly alkaline. In addition, since it is recycled as organic fertilizer in the fields and earns income, expenses such as incineration costs and landfill costs are saved. [Brief description of drawings] [Fig. 1] System diagram for production of all-organic fertilizer for granules [Fig. 2] Elevation of rolling granulator [Explanation of symbols] 1 Digestion and dehydration sludge silo for sewage 2 Kiln dryer Dewatered sludge To dry. 3 Crusher 4 Mixer 5 Sieving machine A 6 Sieving machine B 7 Crusher 8 Raw material tanks 9 1 to 9 6 Organic mixture container and measuring device Rice husk ash, soybean oil meal, bone powder, fragrance, etc. 10 1 Rolling granulator Plan view 11 Granulation liquid tank 12 Granulation liquid pump 13 Microwave device 14 Sorting machine 15 Product tank 16 Weighing machine 17 Packaging and sealing machine and shipping 10 2 Granulation machine Front view 10 3 Granulation machine Side view [Procedure correction 3 ] [Correction target document name] Drawing [Correction target item name] All drawings [Correction method] Change [Correction content] [Fig. 1] [Fig. 2]

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０５Ｆ 3/00 9356−4Ｈ Ｃ０５Ｆ 7/00 5/00 Ｂ０９Ｂ 3/00 ＺＡＢ 7/00 ３０３Ｎ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI technical display location C05F 3/00 9356-4H C05F 7/00 5/00 B09B 3/00 ZAB 7/00 303N

Claims (1)

【特許請求の範囲】 （１） 第１工程 下水の消化脱水汚泥と、農村の有機廃棄物の籾殼等を主
とし、その他有機質の油かす、骨粉等を混合する。その
割合は、消化脱水汚泥の含水率を０％とした時に残る固
形物即ち乾燥汚泥の約８０％／重量の有機廃棄物及び有
機質を混合する。その結果、混合物の肥料３成分即ち窒
素、燐酸、酸化カリの合計含有率を約９〜１０％とす
る。また混合により、消化脱水汚泥の含水率を約７６％
より６４％台にまで低下させ、重金属含有率も約４０％
減少する。 （２） 第２工程 混合物を造粒する。 （３） 第３工程 最終工程にマイクロ波を使用する。この際遠赤外線また
は熱風で蒸発熱を補足する。 以上３工程からなる顆粒の全有機質肥料の製造方法[Claims] (1) The first step is to mix digested and dehydrated sludge of sewage, rice grain and the like of rural organic waste, and other organic oil residue, bone meal and the like. The ratio is such that about 80% / weight of organic sludge and organic matter of the solid matter remaining when the water content of the digested and dehydrated sludge is set to 0%, that is, dry sludge, and organic matter are mixed. As a result, the total content of the three fertilizer components of the mixture, that is, nitrogen, phosphoric acid, and potassium oxide, is about 9 to 10%. By mixing, the water content of digested and dehydrated sludge is approximately 76%.
More than 64%, and heavy metal content is about 40%
Decrease. (2) The second step mixture is granulated. (3) Third step The microwave is used in the final step. At this time, the heat of vaporization is supplemented with far infrared rays or hot air. Method for producing all-organic fertilizer of granules comprising the above three steps
JP7261949A 1995-09-04 1995-09-04 A method of producing granulated whole organic fertilizer by mixing sewage digested and dewatered sludge with some organic substances mainly from rural organic wastes, granulating and microwave processing. Expired - Fee Related JP3049412B2 (en)

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WO2007040318A1 (en) * 2005-10-04 2007-04-12 Jeongwoo Ms Co., Ltd. Method of and apparatus for drying sludge
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JP2014508090A (en) * 2011-01-24 2014-04-03 ザクルイトエ・アクツィオネルノエ・オブスチェストヴォ“ツイン・トレーディング・カンパニー” Method for producing granular organic inorganic fertilizer from organic waste and device for implementing the same
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