CN102351583B - Method for preparing organic fertilizer by processing human manure with houseflies - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003895 organic fertilizer Substances 0.000 title abstract description 17
- 210000003608 fece Anatomy 0.000 title abstract description 11
- 239000010871 livestock manure Substances 0.000 title abstract description 10
- 241000257226 Muscidae Species 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 82
- 239000002893 slag Substances 0.000 claims abstract description 40
- 241000257159 Musca domestica Species 0.000 claims abstract description 37
- 235000012054 meals Nutrition 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 210000003746 feather Anatomy 0.000 claims abstract description 9
- 239000010902 straw Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000003337 fertilizer Substances 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 10
- 235000013372 meat Nutrition 0.000 claims description 8
- 239000002054 inoculum Substances 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 claims description 2
- 239000002361 compost Substances 0.000 abstract description 5
- 238000012258 culturing Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 235000019735 Meat-and-bone meal Nutrition 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 11
- 230000012010 growth Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 235000019219 chocolate Nutrition 0.000 description 5
- 230000009965 odorless effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 102000002322 Egg Proteins Human genes 0.000 description 3
- 108010000912 Egg Proteins Proteins 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 210000004681 ovum Anatomy 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- ZFRKQXVRDFCRJG-UHFFFAOYSA-N skatole Chemical compound C1=CC=C2C(C)=CNC2=C1 ZFRKQXVRDFCRJG-UHFFFAOYSA-N 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 108010060231 Insect Proteins Proteins 0.000 description 1
- 206010034719 Personality change Diseases 0.000 description 1
- 241000257193 Sarcophaga peregrina Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036983 biotransformation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009571 larval growth Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
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- 229940074386 skatole Drugs 0.000 description 1
- 239000007787 solid 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a method for preparing an organic fertilizer by processing human manure with houseflies, belonging to the technical field of environmental protection. The method comprises the following steps: filtering manure slag with a mesh screen of which the pore size is 2-10cm, adding auxiliary materials to prepare a compost, inoculating housefly blows on the compost surface, culturing at 25-35 DEG C for 4-5 days, collecting the compost, and drying to prepare the organic fertilizer, wherein the auxiliary materials are feather meal, meat and bone meal, sawdust and straw powder. The method disclosed by the invention has the advantages of high processing capacity, small occupied area and low energy consumption in the processing course. The biological organic fertilizer and house fly maggot bioproteins are simultaneously obtained in the course of processing the human manure slag, thereby recycling the human manure slag and changing wastes into valuable substances. The invention can be used for producing the organic fertilizer and bioproteins on the premise of improving the environmental hygiene, thereby having wide application prospects.
Description
Technical field
The present invention relates to dejecta treatment method, belong to field of environment protection, be specifically related to a kind of method of utilizing housefly handler ight soil to prepare fertilizer.
Background technology
Every day, each big and medium-sized cities is all extracted a large amount of human excrement slags out from the septic tank of communal bathroom, otherwise these human excrement slags have the environmental risk of overflowing behind the full pond, but the subsequent disposal of so a large amount of human excrement slags becomes a hang-up of puzzlement municipal sector.At present, the main processing mode to city human excrement slag is that dehydration or air-dry post-tensioning remove the refuse landfill landfill.A small amount of human excrement slag is used to the microbial fermentation compost.
Though the method treatment technology of landfill is simple, convenient, processing cost is higher, the time is long, and takies a large amount of soils.
There are some researches show, handle pig manure with Musca domestica larva (fly maggot), before excrement amount decreased average after the processing arrives and handles 53.73% ~ 54.83%, not only can reduce escherichia coli in the quantity discharged of excrement and the excrement, also can effectively reduce skatole and organic contamination, be conducive to improve environment (referring to Xu Dagang etc., Musca domestica larva is handled the effect research of pig manure, Chinese media biology and control impurity, the 16th the 1st phase of volume of February in 2005,9 ~ 11).
Chinese patent application 00136355.7(publication number 1357514, an open day 2002.7.10) a kind of method of making organic fertilizer by utilizing housefly larva to ecologically treat pig dung is disclosed, comprise and operations such as cultivating kind of a fly, fly blow production, fly blow collection, fly blow inoculation, fly maggot cultivation, fly maggot separation make non-harmful pig manure bio-feritlizer and by-product fly maggot protein.This method can be accelerated pig manure slaking speed, prevents that nutrient substance runs off and environmental pollution, reduces multiplying of mosquitos and flies, is applicable to intensive pig production field and raiser.
Yet there are no report about the technology of utilizing housefly handler ight soil to prepare fertilizer and insect protein.
Summary of the invention
The objective of the invention is to the above-mentioned deficiency according to prior art, provide a kind of and utilize housefly to handle the method that human excrement prepares fertilizer.Utilize housefly that city human excrement slag is carried out bio-transformation, remove the pollution of human excrement slag, while output housefly maggot bioprotein and high-quality biological organic fertilizer, the recycling of realization city human excrement slag, it is precious becoming " giving up ".
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of method of utilizing housefly handler ight soil to prepare fertilizer, be to be that the mesh screen of 2 ~ 10cm filters the back and adds auxiliary material and be prepared into culture material with the ight soil slag through the aperture, at culture material surface seeding man fly blow, cultivated 4 ~ 5 days for 25 ~ 35 ℃, collect culture material, drying is prepared into fertilizer, and described auxiliary material is feather meal, meat meal tankage, sawdust and straw powder.
Select the mesh screen of 2 ~ 10cm can filter out the bulk foreign material, obtain purer human excrement slag raw material, with auxiliary material stir be prepared into culture material after, excrement material appearance character changes, and becomes loose, moistening solid state by thick semisolid, stink also reduces in a large number.
Described auxiliary material is common countryside wastes, and wide material sources are cheap, can change excrement slag character after joining it in excrement slag raw material, makes it be more suitable for the housefly growth, obtains higher product worm and measures, and improves the quality of the fertilizer of output simultaneously.The part by weight of feather meal, meat meal tankage, sawdust and straw powder is preferably 1 ~ 5:1 ~ 3:1 ~ 15:1 ~ 15.As a kind of more preferably scheme, the part by weight of feather meal, meat meal tankage, sawdust and straw powder is 1 ~ 3:1 ~ 3:10 ~ 15:10 ~ 15.The mass percent of ight soil slag is preferably 60 ~ 80%, and all the other are auxiliary material.Too much or the very few growth that all is unfavorable for housefly maggot.The effect that the selection of these auxiliary materials is handled human excrement to Musca domestica larva has played crucial effect.Choose improperly if do not add auxiliary material or auxiliary material, the housefly maggot poor growth is produced the worm amount and is descended, and the fertilizer quality of output descends, and local anaerobically fermenting easily takes place production process simultaneously, produces unpleasant foul smell.And the selected auxiliary material of the present invention is to grope the optimized choice that the back obtains in test of many times, makes the culture material sedimentation increase, good permeability, and nutritive ingredient is fit to the housefly maggot growth, and producing the worm amount increases the fertilizer nutrient height of output, quality better.
In 25 ~ 35 ℃ temperature range, tame fly blow just can be hatched into larva on the 2nd day in inoculation, began to transform culture material.In the process of housefly larval growth, culture material is fermentation calefaction gradually also, during need suitably keep the skin wet, it is too high to prevent from heating up.The food of getting through Musca domestica larva 4 ~ 5 days, culture material becomes chocolate, moisture is reduced to 20 ~ 60%, material loosening, odorless, its organic content, total nutrient (N, P, K total content), moisture and five heavy metal content etc. are detected in the oven dry back, all reach the relevant art index of national biological organic fertilizer.At this moment, Musca domestica larva has reached aging state, climbs out of culture material one after another, and searching is dry, pupate in dark place.
The inoculum density of described family fly blow is preferably every kilogram of culture material and inoculates tame fly blow 0.2 ~ 2g.
The thickness of described culture material is 4 ~ 10cm.
As a kind of preferred version, can around culture material, spread dry bran powder, be used for collector's fly maggot.Carried out this operation in aging preceding 2 days at housefly maggot, after Musca domestica larva reaches aging state, climb out of culture material one after another and enter into dry bran powder, culture material finally becomes chocolate, material loosening, odorless, dry or dry after can be prepared into biological organic fertilizer.The housefly maggot of Hui Shouing can be made the insect bioprotein of high-quality simultaneously.
Compared with prior art, the present invention has following beneficial effect:
Method processing power of the present invention is strong, speed is fast than the microorganism compost; Occupied ground is few, and is reusable, do not change land used character; The treating processes power consumption is low, and discharging is few; In the treating processes of human excrement slag, obtain biological organic fertilizer and housefly maggot bioprotein simultaneously, realized the recycling of human excrement slag, become " giving up " into precious; Processing cost is low, and produced simultaneously biological organic fertilizer and bioprotein can increase profit.
After treatment, human excrement slag capacity reduces 10 ~ 30%, free from extraneous odour, and the biological organic fertilizer nutrient content that obtains reaches every technical indicator of national biological organic fertilizer; Crude protein content is about 60% in the high-quality insect bioprotein that obtains; The a collection of human excrement slag of every processing only needs 4 ~ 5 days; All can handle the human excrement slag that gone out clearly by septic tank the same day every day; 10 tons of human excrement slags of every processing can be produced about 4 ~ 6 tons of commodity biological organic fertilizer, about 1 ~ 2 ton of bright housefly maggot.
Embodiment
Embodiment 1
After extracting the human excrement slag out by septic tank, be that 2 centimetres grid sieve filters out foreign material by the eyelet size, add appropriate amount of auxiliary materials (seeing Table 1), stir, be mixed with culture material.Culture material is poured in the corresponding container, and the high 4cm of culture material, and insert an amount of tame fly blow on culture material surface connects ovum density and is: 0.2g family's fly blow/kg culture material.Culture temperature is set at 30 ℃, and tame fly blow is hatched into larva in 2d, beginning decomposition and inversion culture material.Suitably keep the skin wet in culturing process, it is too high to prevent from heating up.At 4d, outside culture vessel, overlap a bigger container again, and be sprinkled into dry bran powder therein, with the aging housefly maggot of convenient collection.Through 4 ~ 5d, Musca domestica larva has reached aging state, climbs out of culture material one after another and falls in the bigger container, and culture material finally becomes chocolate, material loosening, and odorless is made biological organic fertilizer after drying.Produce by this prescription, 10 kilograms of human excrement slags of every processing can obtain about 1.1 ~ 1.3 kilograms of bright housefly maggot, 7 ~ 8 kilograms of output fertilizers (water content about 25%).
Table 1: human excrement slag culture material prescription
| Material name | Mass percent (%) |
| The human excrement slag | 68 |
| Feather meal | 1 |
| Meat meal tankage | 1 |
| Sawdust | 15 |
| Straw powder | 15 |
Embodiment 2
After extracting the human excrement slag out by septic tank, be that 6 centimetres grid sieve filters out foreign material by the eyelet size, add appropriate amount of auxiliary materials (seeing Table 2), stir, be mixed with culture material.Culture material is poured in the corresponding container, and the high 6cm of culture material, and insert an amount of tame fly blow on culture material surface connects ovum density and is: 0.6g family's fly blow/kg culture material.Culture temperature is set at 25 ℃, and tame fly blow is hatched into larva in 2d, beginning decomposition and inversion culture material.Suitably keep the skin wet in culturing process, it is too high to prevent from heating up.At 4d, outside culture vessel, overlap a bigger container again, and be sprinkled into dry bran powder therein, with the aging housefly maggot of convenient collection.Through 4 ~ 5d, Musca domestica larva has reached aging state, climbs out of culture material one after another and falls in the bigger container, and culture material finally becomes chocolate, material loosening, and odorless can be made into biological organic fertilizer after the oven dry.Produce by this prescription, 10 kilograms of human excrement slags of every processing can obtain about 2.1 ~ 2.3 kilograms of bright housefly maggot, 7 ~ 8 kilograms of output fertilizers (water content about 25%).
Table 2: human excrement slag culture material prescription
| Material name | Mass percent (%) |
| The human excrement slag | 70 |
| Feather meal | 3 |
| Meat meal tankage | 2 |
| Sawdust | 15 |
| Straw powder | 10 |
Embodiment 3
After extracting the human excrement slag out by septic tank, be that 8 centimetres grid sieve filters out foreign material by the eyelet size, add appropriate amount of auxiliary materials (seeing Table 3), stir, be mixed with culture material.Culture material is poured in the corresponding container, and the high 8cm of culture material, and insert an amount of tame fly blow on culture material surface connects ovum density and is: 0.8g family's fly blow/kg culture material.Under the normal temperature, tame fly blow is hatched into larva in 2d, beginning decomposition and inversion culture material.Culture temperature is set at 20 ~ 25 ℃, suitably keeps the skin wet in culturing process, and it is too high to prevent from heating up.At 4d, outside culture vessel, overlap a bigger container again, and be sprinkled into dry bran powder therein, with the aging housefly maggot of convenient collection.Through 4 ~ 5d, treat that Musca domestica larva has reached aging state, climb out of culture material one after another and fall in the bigger container, culture material finally becomes chocolate, material loosening, odorless, dry or dry after can be made into biological organic fertilizer.Produce by this prescription, 10 kilograms of human excrement slags of every processing can obtain about 2.5 ~ 3.0 kilograms of bright housefly maggot, 6 ~ 7 kilograms of output fertilizers (water content about 25%).
Table 3: human excrement slag culture material prescription
| Material name | Mass percent (%) |
| The human excrement slag | 75 |
| Feather meal | 2 |
| Meat meal tankage | 3 |
| Sawdust | 10 |
| Straw powder | 10 |
Embodiment 4
Be contrast with embodiment 2.Except following accessory formula (as table 4) difference, other are as embodiment 2.With this production of filling a prescription, maggots of boettcherisca peregrine is not enough owing to the initial stage nutrition intake, poor growth, and collective's escaping phenomena easily takes place, and causing producing the worm amount and fall sharply, larva is reaching aging state (three ages) i.e. escape before, and the yield of mature larva is 0.Culture material can not be caused the treating processes failure by the fly maggot biological degradation.
Table 4: human excrement slag culture material prescription
| Material name | Mass percent (%) |
| The human excrement slag | 70 |
| Mushroom residue | 15 |
| Bran powder | 15 |
Embodiment 5
Be contrast with embodiment 2.The human excrement slag does not add any auxiliary material, and other are as embodiment 2.Owing to the human excrement slag washes through big water gaging, nutritive ingredient is not as good as pig manure, if with this production of filling a prescription, housefly maggot is not enough owing to the initial stage nutrition intake, poor growth, and collective's escaping phenomena easily takes place, cause producing the worm amount and fall sharply.Larva is reaching aging state (three ages) i.e. escape before, and the yield of mature larva is 0.Culture material can not be caused the treating processes failure by the fly maggot biological degradation.
Claims (5)
1. method of utilizing housefly handler ight soil to prepare fertilizer, it is characterized in that being is that the mesh screen of 2 ~ 10cm filters the back and adds auxiliary material and be prepared into culture material with the ight soil slag through the aperture, at culture material surface seeding man fly blow, cultivated 4 ~ 5 days for 25 ~ 35 ℃, collect culture material, drying is prepared into fertilizer;
Described auxiliary material is feather meal, meat meal tankage, sawdust and straw powder; The part by weight of described feather meal, meat meal tankage, sawdust and straw powder is 1 ~ 5:1 ~ 3:1 ~ 15:1 ~ 15.
2. method according to claim 1 is characterized in that the mass percent of ight soil slag is: 60 ~ 80%.
3. method according to claim 1, the inoculum density that it is characterized in that described family fly blow is that every kilogram of culture material is inoculated tame fly blow 0.2 ~ 2g.
4. method according to claim 1, the thickness that it is characterized in that described culture material is 4 ~ 10cm.
5. method according to claim 1 is characterized in that spreading dry bran powder around the described culture material, is used for collecting Musca domestica larva.
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| CN103613259B (en) * | 2013-12-06 | 2016-06-22 | 修武县伊赛牛肉有限公司 | A kind of slaughterhouse mud and feces bioremediation and production method |
| CN104876685B (en) * | 2015-05-11 | 2017-11-10 | 武汉大学 | A kind of method for handling pig manure using the efficient scale of fly maggot |
| CN113956081B (en) * | 2021-11-10 | 2023-02-28 | 江苏科技大学 | Method for biotransformation of silkworm excrement waste by fly maggot and product application thereof |
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| CN1357514A (en) * | 2000-12-15 | 2002-07-10 | 贵阳医学院 | Method for making organic fertilizer by utilizing housefly larva to ecologically treat pig dung |
| CN1443728A (en) * | 2003-04-18 | 2003-09-24 | 贵阳医学院 | Method for producing organic fertilizer and muscidian larvina protein by using ecologically-treated chicken manure |
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|---|---|---|---|---|
| JPH06116073A (en) * | 1992-10-08 | 1994-04-26 | Takenaka Komuten Co Ltd | Method for effectively utilizing animal waste in confined environment |
| JPH0721584A (en) * | 1993-06-30 | 1995-01-24 | Asahi Chem Ind Co Ltd | Optical information recording medium |
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| CN1443728A (en) * | 2003-04-18 | 2003-09-24 | 贵阳医学院 | Method for producing organic fertilizer and muscidian larvina protein by using ecologically-treated chicken manure |
| CN101081766A (en) * | 2006-05-29 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Flyblow manure compound fertilizer and production method thereof |
| CN101381248A (en) * | 2008-09-18 | 2009-03-11 | 孙竹良 | Conversion facilities for converting human and animal excreta to animal protein in situ |
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