JP6426311B1 - Manufacturing method of greening base material for slope greening construction - Google Patents
Manufacturing method of greening base material for slope greening construction Download PDFInfo
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- JP6426311B1 JP6426311B1 JP2018000032A JP2018000032A JP6426311B1 JP 6426311 B1 JP6426311 B1 JP 6426311B1 JP 2018000032 A JP2018000032 A JP 2018000032A JP 2018000032 A JP2018000032 A JP 2018000032A JP 6426311 B1 JP6426311 B1 JP 6426311B1
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- 239000000463 material Substances 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 title claims description 8
- 239000003337 fertilizer Substances 0.000 claims abstract description 27
- 238000000855 fermentation Methods 0.000 claims abstract description 25
- 230000004151 fermentation Effects 0.000 claims abstract description 25
- 239000010801 sewage sludge Substances 0.000 claims abstract description 20
- 239000002023 wood Substances 0.000 claims abstract description 13
- 238000010564 aerobic fermentation Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000005273 aeration Methods 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 15
- 238000002156 mixing Methods 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000008635 plant growth Effects 0.000 abstract description 2
- 239000002361 compost Substances 0.000 abstract 1
- 230000035800 maturation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 229920002752 Konjac Polymers 0.000 description 6
- 235000010485 konjac Nutrition 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000282994 Cervidae Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 206010036790 Productive cough Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241001478887 unidentified soil bacteria Species 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 244000247812 Amorphophallus rivieri Species 0.000 description 1
- 235000001206 Amorphophallus rivieri Nutrition 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000008669 Hedera helix Species 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000001090 Papaver somniferum Species 0.000 description 1
- 235000008753 Papaver somniferum Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000004634 feeding behavior Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000252 konjac Substances 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000001938 protoplast Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- -1 root removal Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
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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
Landscapes
- Cultivation Of Plants (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Fertilizers (AREA)
Abstract
【課題】法面緑化工事用緑化基盤材の製造方法に関し、下水汚泥を発酵促進材に使用し、未利用の木材のチップと樹皮とを混錬し、好気性発酵処理して得た発酵肥料及び発酵肥料を法面緑化工事の植物生育基盤とする緑化基盤材を提供する。【解決手段】下水汚泥に、未利用の木材のチップと樹皮を混錬し、ロータリー式発酵装置を備えた発酵槽内に投入し、通気と切り返しによる好気性発酵を２週間ほど経て、発酵反応熱で概略含水率４０％から４５％まで調整した発酵堆肥を網目２０ｍｍのスクリーンで篩別して２０ｍｍ以下のサイズに整え、通気性を有したフレキシブルコンテナ袋の中に収納し静置し、４ヶ月から６ヶ月の熟成期間をもって発酵反応熱が治まった発酵肥料を特徴とする構成。【選択図】図１PROBLEM TO BE SOLVED: To obtain a method for producing a revegetation base material for slope revegetation work, using sewage sludge as a fermentation promoting material, mixing unutilized wood chips and bark, and performing aerobic fermentation treatment And provide a revegetation base material that uses fermented fertilizer as a plant growth base for slope reforestation work. SOLUTION: Unused wood chips and bark are mixed with sewage sludge and put into a fermenter equipped with a rotary fermenter, and after about 2 weeks of aerobic fermentation by aeration and reversion, the fermentation reaction is performed. The fermented compost, which has been adjusted to approximately 40% to 45% moisture content by heat, is sifted with a screen of 20 mm mesh to a size of 20 mm or less, stored in a flexible container bag with air permeability, and left still for 4 months The composition is characterized by a fermented fertilizer whose heat of fermentation reaction has been suppressed with a maturation period of 6 months. [Selected figure] Figure 1
Description
本発明は、法面緑化工事用緑化基盤材の製造方法に関するもので、下水道の終末処理で発生する脱水処理後の下水汚泥（窒素の含有率２％／wt超を可とする）を発酵促進材に使用し、森林の開発や保全・維持で生じる小径材や曲がり材のために利用されない伐採材や除根、竹等の未利用な木材、及び素材流通時の原木市場等の取扱い時や製材品生産時に発生する樹皮を混錬し、好気性発酵を経て発酵から熟成させた発酵肥料を製造し、これにコンニャクの飛び粉（業界呼称、コンニャク芋の精粉時の残渣）を混合し、必要に応じて種子、清水を加えて、モルタルコンクリート吹付機に投入し、空気圧縮機の圧搾空気による管搬送の先端ノズル噴射にて法面に所定の厚さで植物の生育基盤層を形成する法面緑化工事用緑化基盤材の製造方法である。 The present invention relates to a method for producing a revegetation base material for slope reforestation work, which promotes the fermentation of sewage sludge (having a nitrogen content of 2% / wt or more) after dehydration treatment generated in the final treatment of sewerage Used for timber, harvested timber and roots that are not used for small-diameter timber and bentwood generated in forest development and maintenance / maintenance, unused timber such as bamboo, and unused timber such as bamboo, and when handling raw timber market etc. at the time of material distribution, lumber The bark that is generated during product production is kneaded, aerobic fermentation is carried out, fermented fermentation maturing is produced, and this is mixed with konjak's sputum (the industry's name, the residue of konjak flour at the time of milling), Add seeds and fresh water as required, and introduce to mortar concrete sprayer, and form growth base layer of plant with predetermined thickness on slope by tip nozzle injection of pipe conveyance by compressed air of air compressor It is a manufacturing method of greening base material for slope greening construction work .
従来は、火山噴出物を起源とした山砂を法面緑化時の植物生育基盤として用いていた。 その山砂を客土（緑化基盤材と同意）とし、コンニャクの飛び粉（業界呼称、コンニャク芋の製粉精製過程で排出する粉状残渣）を肥料兼接着剤（商標名：ピーエムザイ）として使用し、緑化基盤材の栄養価を補い飛散流出を防止する法面緑化技術「ＰＭ工法（ピーエム工法：本出願人が命名）」として、法面緑化工事に寄与している（例えば、特公平６−２７４０６号公報の発明）。 Conventionally, mountain sand originating from volcanic products has been used as a plant growth base during slope revegetation. The mountain sand is used as customer soil (consistent with greening base material), and konjak's sputum (the industry's name, powdery residue discharged in the milling process of konjak mulberry) is used as fertilizer and adhesive (trade name: PMZ) As a slope reforestation technology “PM method (PIM method: named by the present applicant)” that compensates for the nutritive value of the revegetation base material and prevents scattering and runoff, it contributes to slope reforestation work (for example, 27406 invention).
しかしながら、その後、山砂を客土として用いることは、採取地周辺の森林環境を破壊し、土砂流出の防止や水源涵養の機能を阻害することに繋がることを危惧し、山砂の代替えに下水汚泥（脱水汚泥）を用いる工法を開発した（特公平７−２３６１４号公報の発明）。 However, it is feared that subsequently using mountain sand as a customer soil will destroy the forest environment around the collection area and lead to prevention of sediment runoff and inhibition of water source recharge functions, and sewage sludge as a substitute for mountain sand. A method using (dewatered sludge) was developed (invention of Japanese Patent Publication No. 7-23614).
緑化基盤材に山砂又は山砂の代替えの下水汚泥を用いた特許文献１にあっては、図１の法面において、法勾配６分（約６０度）から法勾配８分（約５０度）の急勾配法面、又は著しく凹凸を成す起伏法面にあっては、集中豪雨（３５ｍｍ／時超のゲリラ豪雨）によって、形成した緑化基盤材に雨溝等の浸食被害が発生、また、酷暑時（気温３０℃超）には、乾燥し植物の種子発芽が遅れ不均一になる。 そのため、緑化基盤材の表面に種子付きシート「化繊網：ＰＭ緑化ネット（ピーエム緑化ネット：本出願人が命名）」を張設し、浸食被害や乾燥被害を緩和する技法とした。しかし、種子が発芽し幼芽が発育する時期に至ると、野生動物（鹿、猪）の法面上での採食行動（食害）で張設したシートに破断や捲れが生じ、シートの使用目的を阻害する結果になってしまう場面が多発した。 In patent document 1 which used the mountain sand or the alternative sewage sludge of the mountain sand for the greening base material, in the slope of FIG. In the case of steep slopes of the above-mentioned) or rough slopes with significant unevenness, erosion damage such as rain gutters occurs on the formed greening base material due to heavy rainfall (35mm / hour guerrilla heavy rain). When it is extremely hot (temperature over 30 ° C.), it dries and the seed germination of the plant is delayed and becomes uneven. Therefore, a sheet with seeds "Chemical fiber net: PM greening net (pem greening net: named by the present applicant)" is stretched on the surface of the greening base material, and this is a technique for alleviating erosion damage and drying damage. However, at the time when the seed germinates and the young shoots develop, the sheet stretched by the feeding behavior (food damage) on the slope of the wild animal (deer, deer) causes breakage or sore, and the use of the sheet There were many occasions that resulted in the result of obstructing the purpose.
上記の特許文献１にあっては、緑化基盤材を法面に吹付けた時の粒度調整、通気性及び保水性の効果は確実であるものの、吹付けた後の乾燥収縮によるクラックの発生防止やそれに伴う滑落の防止に対しては、十分満足できる理想的な形状では決してなかった。 そこで、特許文献２に示すように植物性の廃材を破砕機で粗破砕した後、クラッシャの破砕部に投入し、外側破砕歯と内側破砕歯の回転により、これら植物性廃材を擦る潰しながら、原形質を概略１００ｍｍ程度以下の長さで、且つ５ｍｍ程度以下の太さに成型したものを緑化基盤材用繊維状繋ぎ材の成型方法及びその繊維状繋材入りの緑化基盤材を用いた法面緑化工法を開発した。 According to Patent Document 1 described above, although the effects of particle size control, air permeability and water retention when spraying the greening base material on the slope are certain, the generation of cracks due to drying shrinkage after spraying is prevented And for the prevention of slipping that accompanies it, it has never been an ideal shape that is sufficiently satisfactory. Therefore, as shown in Patent Document 2, after the vegetable waste material is roughly crushed with a crusher, it is put into the crushing part of the crusher, and while scraping these vegetable waste materials by the rotation of the outer crushing teeth and the inner crushing teeth, A method of forming a fibrous connecting material for greening substrate and a method using the greening substrate containing the fibrous connecting material, wherein the protoplasts are formed to a length of about 100 mm or less and a thickness of about 5 mm or less We developed a revegetation method.
上記の先行技術（従来工法）において、次のような課題がある。 第１に、山砂又は下水汚泥の発酵肥料を客土（緑化基盤材）として用いる場合は、吹付け前の緑化基盤材の含水率を４０％以下に調整しなければ、コンニャクの飛び粉（ピーエムザイ）の粘着力によって、吹付けの際の管搬送時に閉塞し、スムーズな施工ができない。 第２に、緑化基盤材の浸食被害や乾燥被害を緩和するため、吹付けにより法面に形成した緑化基盤材の表面にシートを張設しなければならない。 第３に、第２にあっては、野生動物の食害により法面が荒らされ、緑化の成果が得られない実情がある。 第４に、緑化基盤材用繊維状繋ぎ材の成型方法がクラッシャの外内回転歯による擦り潰しから成る長さ１００ｍｍ以下を可とする長形状のため、吹付けの際の管搬送時に閉塞し、スムーズな施工ができない。 The above-mentioned prior art (conventional construction method) has the following problems. First, when using fermented fertilizer of mountain sand or sewage sludge as customer soil (greening base material), if it is not adjusted the moisture content of the greening base material before spraying to 40% or less, the poppy of konjac ( Due to the adhesive force of Pemzai), the pipe is blocked during spraying and can not be installed smoothly. Second, in order to mitigate erosion damage and dryness damage of the greening base material, it is necessary to stretch a sheet on the surface of the greening base material formed on the slope by spraying. Thirdly, secondly, there is a fact that the damage to the wildlife is caused by the damage of the wildlife, and the result of greening can not be obtained. Fourth, since the method of forming the fibrous connecting material for greening base material has a long shape of 100 mm or less consisting of grinding by the outer and inner rotating teeth of the crusher, it is clogged during pipe transportation at the time of spraying. , I can not do a smooth construction.
そこで、本発明は先行技術の法面緑化工事用緑化基盤材の課題を解決し、発明の目的を達成するために提供するものである。 Therefore, the present invention is provided to solve the problems of the prior art greening base material for slope greening work and to achieve the object of the invention.
本発明の第１は、法面緑化工事用緑化基盤材の製造方法において、下水汚泥を含水率約７５％で重量が約９．５tonに設定した下水汚泥に、除根した伐採材と竹材を可とする未利用の木材を破砕径３８ｍｍ、容量１０立法メートル（以下、「ｍ3」という。）に設定したチップと、破砕径３８ｍｍ、容量１０ｍ3に設定した樹皮を混錬した後、ロータリー式発酵装置を備えた発酵槽内に投入し、通気と切り返しによる好気性発酵を２週間ほど経て、発酵反応熱で概略含水率４０％から４５％まで調整した発酵肥料を、網目２０ｍｍのスクリーンで篩別して２０ｍｍ以下のサイズに整え、通気性を有する概略径１ｍ、高さ１ｍのフレキシブルコンテナ袋の中に収納して静置し、４ヶ月から６ヶ月の熟成期間をもって発酵反応熱が治まった発酵肥料を得るようにしたものである。 The first of the present invention is a method for producing a revegetation base material for slope reforestation work, which can remove harvested timber and bamboo material into sewage sludge having a moisture content of about 75% and a weight of about 9.5 tons. After mixing the unused wood to be used with chips with a crushing diameter of 38 mm and a capacity of 10 cubic meters (hereinafter referred to as “m 3 ”) and barks with a crushing diameter of 38 mm and a capacity of 10 m 3 , rotary type After being fed into a fermenter equipped with a fermenter, and subjected to aerobic fermentation by aeration and switching for about 2 weeks, sieve the fermented fertilizer whose approximate moisture content was adjusted from approximately 40% to 45% with the heat of fermentation reaction with a screen of 20 mm mesh Separately, prepare in a size of 20 mm or less, store in a flexible container bag of about 1 m in diameter and 1 m in height with breathability, and let it stand, and fermented reaction heat is reduced with 4 to 6 months of aging period It is obtained by obtaining manner.
本発明の第２は、第１の発明に係る法面緑化工事用緑化基盤材の製造方法において、下水汚泥に、容量２０ｍ3の未利用の木材のチップと、容量２０ｍ3の樹皮、及び網目２０ｍｍのスクリーンで篩別した２０ｍｍ以上のオーバーサイズにした容量１ｍ3から３ｍ3の発酵肥料を加えるようにしたものである。 According to a second aspect of the present invention, there is provided a method of producing a revegetation base material for slope reforestation according to the first aspect, wherein the sewage sludge contains 20m 3 unused wood chips, 20m 3 bark and mesh. is obtained so as to apply a fermentation fertilizer 3m 3 from volume 1 m 3 which was sieved was 20mm or more over-size 20mm screen.
本発明は上記の構成であるから次の作用効果がある。 第１に、従来の山砂や下水汚泥肥料を法面緑化工事用緑化基盤材に使用する場合は、緑化基盤材の地肥力を高めるために、化成肥料とともに肥料木（例えば、マメ科植物：ハギ、コマツナギ）を保全種として使用していたが、下水汚泥を発酵促進材に使用し、未利用の伐採材や除根、及び竹材、並びに樹皮と混錬し、好気性発酵を経て発酵から熟成させた発酵肥料の製造方法では、土壌菌（土壌微生物：土壌中に生息する微生物の総称）が増える傾向が確認できた。 The present invention having the above-described configuration has the following effects. First, when conventional sand and sewage sludge fertilizers are used as a foundation for revegetation work, the fertilizer trees together with chemical fertilizers (eg legumes: (Hagi, Komatsuna) was used as a conservation species, but sewage sludge is used as a fermentation promoting material, and it is mixed with unused logging materials, root removal, bamboo materials, and bark, bark through aerobic fermentation and aging through fermentation In the method for producing fermented fertilizers, it was confirmed that soil bacteria (soil microbes: a generic term for microbes inhabiting in the soil) tended to increase.
第２に、土壌菌が増えることで、化成肥料や肥料木を使わずに法面緑化に適した植物群落の形成が可能である。 Second, the increase in soil fungi enables the formation of plant communities suitable for revegetation without using fertilizers and fertilizer trees.
第３に、下水汚泥を発酵促進材に使用し、未利用の木材のチップと樹皮を好気性発酵で発酵から熟成した発酵肥料は、発酵過程及び利用時の発酵臭（腐敗臭）がない。 Third, fermented fertilizers that use sewage sludge as a fermentation promoting material and mature unfermented wood chips and barks from fermentation by aerobic fermentation have no fermentation odor (rotting odor) during the fermentation process and utilization.
第４に、請求項第１及び請求項第２において、樹皮（破砕径３８ｍｍ、２０ｍ3）を加えることにより、樹皮特有の繊維質が絡み合い、又繋ぎ材となり、発酵肥料が膨軟化することで、法面上に吹付で形成した緑化基盤材は、保水・通水性及び繊維の絡みつきで緊結力が高まるため、集中豪雨時の浸食被害や酷暑時の乾燥被害に耐え得ることが確認できる。 Fourth, by adding the bark (crushed diameter 38 mm, 20 m 3 ) in claim 1 and claim 2, the fiber specific to the bark is entangled and becomes a connecting material, and the fermentation fertilizer swells and softens. Since the greening base material formed by spraying on the slope has high water tightness due to water retention, water permeability and entanglement of fibers, it can be confirmed that it can withstand the erosion damage at the time of heavy rain and the drying damage at the extreme heat.
第５に、第４により、緑化基盤材の表面にシートの張設が不要となり、法面緑化の工費をおさえることができる。 Fifth, the fourth aspect makes it unnecessary to stretch the sheet on the surface of the greening base material, and the cost of greening can be reduced.
第６に、本発明により、利用価値が少なく止む無く廃棄物処分されていた資源を再生品利用することは、処分場や処分費の節約とともに、資源循環型社会に貢献できる。 Sixth, according to the present invention, reutilization of resources that have been disposed of waste without much reduction in utility value can contribute to a resource recycling society, as well as saving a disposal site and disposal costs.
第７に、森林整備や竹林整備で生じる木材、竹材を積極的に利用することは、里山又は中山間地域の環境整備や保全に資する事業の促進に繋がる（例えば、野生動物と人間とが棲み分けするための緩衝地帯の整備など）。 Seventh, actively using timber and bamboo materials generated by forest maintenance and bamboo forest maintenance leads to the promotion of projects contributing to environmental maintenance and conservation in the Satoyama or Nakayama area (for example, wildlife animals and humans Such as maintenance of buffer zone to divide).
本発明の第１は、法面緑化工事用緑化基盤材の製造方法において、住環境保全のための森林や竹林の整備で生じながら、利用価値が無く厄介者扱いにされている木材や竹材のチップを容量２０ｍ3と素材流通時の原木市場等の取扱い時や製材品生産時に発生する樹皮を約１０ｍ3とを発酵肥料化するため、下水汚泥を容量約９．５tonと混ぜた後、ロータリー式発酵装置を備えた発酵槽内に投入し、通気と切り返しによる好気性発酵を２週間ほど経て、発酵反応熱で概略含水率４０％から４５％まで調整した発酵肥料を、網目２０ｍｍのスクリーンで篩別して２０ｍｍ以下のサイズに整え、通気性を有したフレキシブルコンテナ（概略径１ｍ、高さ１ｍ）の中に収納し静置し、４ヶ月から６ヶ月の熟成期間をもって発酵反応熱が治まった発酵肥料を得るようにしたものである。 The first of the present invention relates to a method for producing a revegetation base material for slope reforestation work, which is produced in the maintenance of a forest or bamboo forest for the preservation of the living environment, but has no utility value and is treated as a troublesome person in order to fermentation fertilizer and about 10m 3 the bark to generate the chip at the time and sawn timber production handling of the timber market, such as at the time of capacity 20m 3 and material distribution, after mixed with sewage sludge and capacity about 9.5ton, rotary Fermented fertilizer which was put into the fermenter equipped with a formula fermenter and passed aerobic fermentation by aeration and switching for 2 weeks and adjusted the heat content of the fermentation reaction to approximately 40% to 45% moisture content with a screen of 20 mm mesh A sieve is prepared to a size of 20 mm or less, contained in a breathable flexible container (approximately 1 m in diameter, 1 m in height) and allowed to stand, and the fermentation reaction heat has been reduced with an aging period of 4 months to 6 months fertilizer To get the
本発明の第２は、第１の発明に係る法面緑化工事用緑化基盤材の製造方法において、下水汚泥に、容量２０ｍ3の未利用の木材のチップと、容量２０ｍ3の樹皮、及び網目２０ｍｍのスクリーンで篩別した２０ｍｍ以上のオーバーサイズの発酵肥料を１ｍ3から３ｍ3を加えるようにしたものである。 According to a second aspect of the present invention, there is provided a method of producing a revegetation base material for slope reforestation according to the first aspect, wherein the sewage sludge contains 20m 3 unused wood chips, 20m 3 bark and mesh. the sieved was 20mm or more oversized fermented manure in 20mm screen is obtained so as to apply a 3m 3 from 1 m 3.
図において、下水汚泥１は、水処理場の脱水処理をした後の下水汚泥である。当該下水汚泥１の容量を約９．５tonに設定したのは、通常汚泥収集運搬車両1台（の積載量に相当するものであり、車種によって、その積載容量が異なる場合がある。木材チップ２は、森林や竹林整備で生じる伐採材や除根、竹を木材破砕機（図示省略）によって、網目が３８ｍｍの篩装置（図示省略）のスクリーンを通過したチップである。 樹皮３は、素材流通時（原木市場等の取扱い時など）や製材品加工時に生じる樹皮を木材破砕機によって、３８ｍｍスクリーンを通過した樹皮であり、針葉樹及び広葉樹を問わない。 下水汚泥１に木材チップ２と竹チップ３及び樹皮４を混ぜ練りし、発酵に適正な含水率５０％から６０％の範囲に水分調整をした混合物Ａ又は戻し材Ｅを加えた混合物Ｂを作製する。 なお、戻し材Ｅとは、好気性発酵後の発酵肥料Ａをスクリーン２０ｍｍ網目で篩別後のオーバーサイズであり、有機物の分解に役立つ土壌菌が大量に賦存することから、好気性発酵の促進する機能がある。 In the figure, sewage sludge 1 is sewage sludge after dewatering treatment of a water treatment plant. The capacity of the sewage sludge 1 is set to about 9.5 ton, which usually corresponds to the load capacity of one sludge collection and transportation vehicle (the load capacity may differ depending on the vehicle type). Is a chip that passes through the screen of a sieve device (not shown) with a mesh size of 38 mm by cutting lumber and roots generated by forest maintenance and bamboo forest maintenance (not shown), and the bark 3 at the time of material distribution. The bark that is generated at the time of lumber processing etc. (when handling the lumber market etc.) is a bark that passes through a 38 mm screen by a wood crusher, regardless of softwood and hardwood. The bark 4 is mixed and kneaded to prepare a mixture B in which the water content is adjusted to be in the range of 50% to 60% suitable for fermentation, or a mixture B to which the returning material E is added. Departure Since the fermented fertilizer A after fermentation is oversized after screening with a screen 20 mm mesh, and a large amount of soil bacteria useful for the decomposition of organic matter is present, it has a function to promote aerobic fermentation.
「混合物Ａの配合割合の具体例」を以下に示す。
（１）含水率７５％±５％、窒素含有量２％ wt超／を可とする下水汚泥１の数量９．５ton（便宜上の量：収集運搬車両１台積載量に相当する。）
（２）破砕サイズ３８ｍｍのスクリーンの通過を可とする木材チップ２と竹材チップ３又は木材竹材が混在したチップの数量２０ｍ3
（３）破砕サイズ３８ｍｍのスクリーンの通過を可とする樹皮４の数量２０ｍ3
The “specific example of the blend ratio of the mixture A” is shown below.
(1) The amount of sewage sludge 1 that allows a moisture content of 75% ± 5% and a nitrogen content of more than 2% wt / 9.5 ton (for convenience, this corresponds to the loading capacity of one collection vehicle)
(2) The number of chips in which wood chips 2 and bamboo chips 3 or wood bamboo materials mixed allow passing of a screen having a crushing size of 38 mm 20 m 3
(3) The number of bark 4 20 m 3 that allows passage of a screen with a crushing size of 38 mm
「混合物Ｂの配合割合の具体例」を以下に示す。前記（１）から（３）の配合割合で作製した混合物Ａに、好気性発酵に適した含水率５０％から６０％に水分調整するための戻し材Ｅを加える。具体例としては、混合物Ａに戻し材Ｅを１ｍ3から３ｍ3の範囲で水分調整が可となる。 The “specific example of the blend ratio of the mixture B” is shown below. To the mixture A prepared at the mixing ratio of (1) to (3), a return material E for adjusting the water content to 50% to 60% suitable for aerobic fermentation is added. As a specific example, moisture control is allowed to return material E to the mixture A in the range of 1 m 3 of 3m 3.
次に、本発明の製造過程を説明する。
（１）まず、上記（１）〜（３）の配合割合で下水汚泥１と木材チップ２、竹チップ３及び樹皮４を練り混ぜした混合物Ａを作製する。
（２）混合物Ａに戻し材Ｅを加えて、水分調整した混合物Ｂを作製する。
（３）混合物Ｂを好気性発酵するため、発酵槽に投入し、ロータリー式発酵装置で通気と切り返しを繰り返しながら、２週間ほど経過した後に発酵槽より取出した発酵肥料Ｃを作製する。
（４）発酵肥料Ｃをスクリーン２０ｍｍ網目で篩別し、緑化基盤材Ｆの使用に適したサイズに調整し
た発酵肥料Ｄを作製する。２０ｍｍオーバーサイズは戻し材Ｅとする。
（５）発酵肥料Ｄを概略径１ｍ、高さ１ｍ程の通気性を有するフレキシブルコンテナ袋Ｉに収納して静置し、４ヶ月から６ヶ月の熟成期間をもって発酵反応熱が治まった発酵肥料から成る緑化基盤材Ｆを完成する。
（６）完成した緑化基盤材Ｆは、一般化している緑化基盤材を法面上に吹付けによって形成する作業方法を可とする。具体的にはモルタルコンクリート吹付機Ｊと空気圧縮機Ｋを使って、圧搾空気で管搬送し、法面に所定の厚さで緑化基盤層Ｇを形成する技法である。
Next, the manufacturing process of the present invention will be described.
(1) First, a mixture A is prepared by mixing sewage sludge 1, wood chips 2, bamboo chips 3 and bark 4 at the mixing ratio of (1) to (3) above.
(2) The returning material E is added to the mixture A to prepare a mixture B in which the water content is adjusted.
(3) In order to carry out aerobic fermentation of the mixture B, the fermentation fertilizer C taken out from a fermenter is produced about 2 weeks after passing in a fermenter, repeating aeration and switching with a rotary fermenter, and producing it.
(4) The fermented fertilizer C is sieved with a screen 20 mm mesh to prepare a fermented fertilizer D adjusted to a size suitable for use of the greening base material F. The oversize is 20 mm and the return material is E.
(5) Fermented fertilizer D is stored in a flexible container bag I having an approximate diameter of 1 m and a height of about 1 m, which is breathable, and allowed to stand. Complete the greening base material F.
(6) The completed greening base material F allows a working method of forming a general greening base material by spraying on a slope. Specifically, the mortar-concrete sprayer J and the air compressor K are used to convey a tube with compressed air to form a greening base layer G with a predetermined thickness on the slope.
本発明によって得られた緑化基盤材Ｆは、法面工事用緑化基盤材のみならず、園芸用の土壌改良材や培土等にも適用できる。 The greening base material F obtained by the present invention can be applied not only to a greening base material for slope construction, but also to a soil improvement material for horticulture, a culture soil, and the like.
１…汚泥
２…木材チップ
３…竹材チップ
４…樹皮
５…コンニャク飛び粉
６…種子
Ａ…混合物
Ｂ…混合物
Ｃ…発酵肥料
Ｄ…発酵肥料
Ｅ…戻し材
Ｆ…緑化基盤材
Ｇ…緑化基盤層
Ｈ…法面
Ｉ…コンテナ袋
Ｊ…モルタルコンクリート吹付機
Ｋ…空気圧縮機
DESCRIPTION OF SYMBOLS 1 ... Sludge 2 ... Wood chip 3 ... Bamboo chip 4 ... Bark 5 ... Konjak spatter 6 ... Seed A ... Mixture B ... Mixture C ... Fermentation fertilizer D ... Fermentation fertilizer E ... Return material F ... Greening base material G ... Greening base layer H ... Slope I ... Container bag J ... Mortar concrete spraying machine K ... Air compressor
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109618866A (en) * | 2018-12-17 | 2019-04-16 | 安徽省巢湖铸造厂有限责任公司 | A method of utilizing phosphatization sludge Nutrition Soil |
| CN110235744A (en) * | 2019-07-04 | 2019-09-17 | 湖北禾惠生态科技有限公司 | It is a kind of based on biomass biogas residue be raw material tobacco seedling medium |
| CN113412771A (en) * | 2021-04-25 | 2021-09-21 | 刘克锋 | Method for producing general horticultural crop culture substrate based on straw and wormcast fermentation |
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| JP7511962B1 (en) | 2024-03-14 | 2024-07-08 | 上毛緑産工業株式会社 | A method for producing bacterial phosphate fertilizer using wood chips and sewage sludge |
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| JP2003134931A (en) * | 2001-11-01 | 2003-05-13 | Jomo Ryokusan Kogyo Kk | Method for producing greening base material for slope greening construction |
| JP2010077745A (en) * | 2008-09-29 | 2010-04-08 | Kindai Sangyo Kk | System for spraying greening base material, greening base material, and greening method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003134931A (en) * | 2001-11-01 | 2003-05-13 | Jomo Ryokusan Kogyo Kk | Method for producing greening base material for slope greening construction |
| JP2010077745A (en) * | 2008-09-29 | 2010-04-08 | Kindai Sangyo Kk | System for spraying greening base material, greening base material, and greening method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109618866A (en) * | 2018-12-17 | 2019-04-16 | 安徽省巢湖铸造厂有限责任公司 | A method of utilizing phosphatization sludge Nutrition Soil |
| CN110235744A (en) * | 2019-07-04 | 2019-09-17 | 湖北禾惠生态科技有限公司 | It is a kind of based on biomass biogas residue be raw material tobacco seedling medium |
| CN113412771A (en) * | 2021-04-25 | 2021-09-21 | 刘克锋 | Method for producing general horticultural crop culture substrate based on straw and wormcast fermentation |
| CN113412771B (en) * | 2021-04-25 | 2022-07-01 | 刘克锋 | Method for producing general horticultural crop culture medium based on fermentation of straw and wormcast |
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