CN103330085A - Method for treating sludge generated by domestic sewage treatment plant with housefly maggots and material formula - Google Patents
Method for treating sludge generated by domestic sewage treatment plant with housefly maggots and material formula Download PDFInfo
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- CN103330085A CN103330085A CN2013102797216A CN201310279721A CN103330085A CN 103330085 A CN103330085 A CN 103330085A CN 2013102797216 A CN2013102797216 A CN 2013102797216A CN 201310279721 A CN201310279721 A CN 201310279721A CN 103330085 A CN103330085 A CN 103330085A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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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
- 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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Abstract
The invention relates to a method for treating sludge generated by a domestic sewage treatment plant with housefly maggots and a material formula. The method comprises: adding auxiliary materials into the sludge and stirring them to obtain housefly maggot feed, then putting housefly eggs into the feed, and letting the larvae hatched from the housefly eggs take the housefly maggot feed, thus making the sludge treated. The housefly maggot feed comprises 45%-95% of the sludge by mass, and the balance the auxiliary materials. The auxiliary materials consist of, by weight: 0-30% of cow dung, 0-40% of bagasse, 0-10% of rapeseed meal, 0-40% of peanut shells, 0-30% of corn cobs, 0-30% of beer residue, 0-30% of rice bran powder, 0-5% of monopotassium phosphate, and 0-5% of sodium dihydrogen phosphate. The method provided in the invention has strong treatment capacity and faster treatment speed than ordinary compost, and the treatment cycle is 4-5 days. After treatment, the capacity of sludge generated by the domestic sewage treatment plant is reduced by 10-30%, the peculiar smell is reduced, and at the same time, high quality organic fertilizers and insect bio-protein also can be obtained.
Description
Technical field
The present invention relates to a kind of method for sludge treatment, particularly relate to a kind of method of utilizing housefly maggot to handle the mud of sanitary sewage disposal factory generation, belong to field of environment protection.The invention still further relates to the material formula of implementing said method.
Background technology
By the end of the year 2011, China establishes the city, city, county's accumulative total is built up 3135 of sewage treatment plants, and sewage treatment capacity reaches 1.36 hundred million m
3/ day.At present, the town sewage project that China is building reaches 1360, and the overall design ability is about 2,900 ten thousand m
3/ day.Along with putting into effect successively in the sewage treatment plant that builds, national mud total output is with 3,000 ten thousand tons of very fast breakthroughs.Yet because the thought of long-term " the light mud of heavy water " and the shortage of technology and fund, the mud that town sewage produces when handling but fails to be dealt carefully with always.Mud processing lack of standardization has become new environomental pollution source in China's soil and the water environment, has seriously restricted the sound development of sewage disposal cause.Therefore, Treatment of Sludge is disposed with recycling has become China's urgent problem.
The main mode of the mud that the sanitary sewage disposal of China's disposal at present factory produces comprises landfill, burning and soil utilization.
Landfill is traditional Sludge Disposal Techniques.Landfill has characteristics such as treating capacity is big, technology is simple relatively, small investment, but landfill need take a large amount of soils, also can produce serious secondary pollution to soil, the especially formation of loading embeading percolation liquid and gas.Percolate is a kind of by the liquid of severe contamination, if the landfill yard addressing or move improper can polluted underground water environment.The gas that landfill yard produces mainly is methane, if do not take appropriate measures and can set off an explosion and burn.Burning can make the whole carbonizations of organic matter, and pathogen kill can reduce sludge volume to greatest extent.Investment is big but its shortcoming is treatment facility, the disposal cost height, and the cost of equipment maintenance height, and produce the strong carcinogen bioxin.The utilization of mud soil is normally earlier with recycling behind the sludge high temperature compost.Composting process can realize minimizing, stabilisation and the innoxious process of mud.Its processing cost is relatively low, but floor space is big, long processing period, thereby has limited its application.The target that Treatment of Sludge is disposed is to realize minimizing, the stabilisation and innoxious of mud.China encourage to reclaim and utilizes the energy and resource in the mud; Encourage the innovation of Treatment of Sludge disposal technology and scientific and technological progress.China is large agricultural country, owing to too much use chemical fertilizer, it is more and more barrenr that the soil becomes, and the benign cycle in soil is destroyed, has only a large amount of input organic matters just can improve the soil.Therefore, " composting+soil utilization " is that the recycling sludge that is fit to China's national situation and most of area feature is handled disposal technology.But existing aerobic fermentation (compost) technology is because the shortcoming that exists harmful substances such as fermentation period length, heavy metal to be difficult to degrade, and it is restricted aspect utilizing in the soil.So be badly in need of a kind of novel Treatment of Sludge technology of research and development.At present, put down in writing some about document and handled the method for changing food waste and food garbage, such as, CN101879517A discloses a kind of method and material formula that utilizes Chrysomya megacephala maggot to handle changing food waste, may further comprise the steps: will add auxiliary material after the changing food waste coarse crushing, obtain the Chrysomya megacephala maggot compost, insert the chrysomyia megacephala ovum on Chrysomya megacephala maggot compost surface again, the larval feeding of chrysomyia megacephala ovum hatching and decomposition compost make changing food waste obtain handling and removing.Before the chrysomyia megacephala larva was aging, the outside of stacking the zone at the Chrysomya megacephala maggot compost connected a polypide collection container, and dry bran powder is housed in this polypide collection container, collects aging Chrysomya megacephala maggot in order to guiding.Remaining treated Chrysomya megacephala maggot compost is made biological organic fertilizer after the drying.Also such as, CN101774831A discloses a kind of sweep-out method of food garbage.The inventive method is with sorted food garbage fragmentation, adds auxiliary material, and the food garbage compost that obtains inserts tame fly blow again, and the larval feeding compost that allows tame fly blow hatch is eliminated until food garbage; Described food garbage compost comprises following components in percentage by mass: food garbage 50 ~ 90%, sawdust 0 ~ 40%, bran powder 0 ~ 30%, wheat bran 0 ~ 30%, powder of straw 0 ~ 40%, dusty yeast 1 ~ 5%, EM liquid 1 ~ 3%, sodium bicarbonate 0 ~ 3%, white lime 0 ~ 3%.In the food garbage compost, insert tame fly blow, allow the larval feeding compost of hatching, thereby reach the purpose of removing food garbage.For another example, CN101889629A discloses a kind of method and material formula that utilizes Heisui River horsefly larva to handle changing food waste, comprise these steps: will add auxiliary material after the changing food waste coarse crushing, obtain Heisui River horsefly larva compost, insert Heisui River horsefly ovum on Heisui River horsefly larva compost surface again, the larva of Heisui River horsefly ovum hatching is got Heisui River horsefly larva compost, makes rubbish obtain handling and removing.Before Heisui River horsefly larva was aging, the outside of stacking the zone at Heisui River horsefly larva compost connected a polypide collection container, and dry bran powder is housed in this polypide collection container, collects aging Heisui River horsefly larva in order to guiding.Remaining treated Heisui River horsefly larva compost is made biological organic fertilizer after the drying.More than these technology for how utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces, and processing speed is fast, does not provide concrete guidance program.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method of utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces is provided, the processing speed of this method is fast, less energy consumption, occupation of land less, operation cost is low.
For this reason, the present invention also will provide the material formula of implementing said method.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of method (utilizing the method for the mud of common house-fly grub resolution process sanitary sewage disposal factory generation) of utilizing housefly maggot to handle the mud of sanitary sewage disposal factory generation, may further comprise the steps: in the mud that sanitary sewage disposal factory produces, add auxiliary material and stirring, make the housefly maggot breeding feed, put into tame fly blow again, the larval feeding housefly maggot breeding feed of family's fly blow hatching, the mud that makes sanitary sewage disposal factory produce obtains handling; The mass fraction (mass percent) of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 45% ~ 95%, remaining is auxiliary material, and auxiliary material is made of the material of following weight proportioning (percentage by weight or mass percent): cow dung 0 ~ 30%, bagasse 0 ~ 40%, rapeseed dregs 0 ~ 10%, peanut shell 0 ~ 40%, corncob 0 ~ 30%, beer slag 0 ~ 30%, chaff powder 0 ~ 30%, potassium dihydrogen phosphate 0 ~ 5%, sodium dihydrogen phosphate 0 ~ 5%.
Above-mentioned auxiliary material is one or more mixture when mixing (several its proportioning be arbitrarily) in cow dung, bagasse, rapeseed dregs, peanut shell, corncob, beer slag, chaff powder, potassium dihydrogen phosphate and the sodium dihydrogen phosphate.Described chaff powder can be one or more the mixture (its proportioning is arbitrarily during several mixing) in the chaff powder such as bran powder, rice husk meal, wheat bran powder.The adding of these auxiliary materials can promote the growth of common house-fly grub and ingest, and makes the wear rate of the mud that sanitary sewage disposal factory produces improve.The housefly maggot breeding feed can place casing, and wherein the thickness of housefly maggot breeding feed is 8～15cm.The decomposition rate that the material of enforcement said method is handled the mud of sanitary sewage disposal factory generation to housefly maggot has significant effects, so the material formula of this housefly maggot breeding feed also belongs to protection scope of the present invention.This prescription is made of the material of following mass fraction: mud 45% ~ 95%, cow dung 0 ~ 30%, bagasse 0 ~ 40%, rapeseed dregs 0 ~ 10%, peanut shell 0 ~ 40%, corncob 0 ~ 30%, beer slag 0 ~ 30%, chaff powder 0 ~ 30%, potassium dihydrogen phosphate 0 ~ 5%, sodium dihydrogen phosphate 0 ~ 5% that sanitary sewage disposal factory produces.The incubation temperature of above-mentioned tame fly blow is 25 ~ 50 ℃.The density of putting into of above-mentioned family fly blow is 1 ~ 3g family fly blow/1kg housefly maggot breeding feed.Collecting box of the outside connection of above-mentioned housefly maggot breeding feed casing is equipped with dry chaff powder in this collecting box, collect aging housefly maggot in order to guiding.The above-mentioned processing cycle is 4 ~ 5 days, and after the housefly maggot breeding feed disposed, fertilizer was made in oven dry.
The preferred scheme of the present invention is, the mass fraction of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 45% ~ 60%, remaining is auxiliary material, and auxiliary material is made of following materials by weight: cow dung 10% ~ 15%, bagasse 10% ~ 15%, rapeseed dregs 5% ~ 10%, peanut shell 5% ~ 10%, corncob 1% ~ 10%, beer slag 1% ~ 10%, chaff powder 1% ~ 10%, potassium dihydrogen phosphate 1% ~ 2%, sodium dihydrogen phosphate 1 ~ 2%.The incubation temperature of above-mentioned tame fly blow is 40 ~ 45 ℃, and the density of putting into of above-mentioned family fly blow is 2.5 ~ 3g family fly blow/1kg housefly maggot breeding feed, and the thickness of above-mentioned housefly maggot breeding feed is 10 ~ 15cm.
The further preferred scheme of the present invention is, the mass fraction of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 48%, remaining is auxiliary material, and auxiliary material is made of following materials by weight: cow dung 12%, bagasse 12%, rapeseed dregs 10%, peanut shell 8%, corncob 2%, beer slag 2%, chaff powder 5%, potassium dihydrogen phosphate 1%; The incubation temperature of above-mentioned tame fly blow is 42 ℃, and the density of putting into of above-mentioned family fly blow is 2.5g family's fly blow/1kg housefly maggot breeding feed, and the thickness of above-mentioned housefly maggot breeding feed is 13cm.
As mentioned above, in processing method of the present invention, the density of putting into of tame fly blow is 1～3g family fly blow/1kg housefly maggot breeding feed, and the incubation temperature of tame fly blow is 25～50 ℃.Under this temperature, tame fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.In the process of housefly larval growth, breeding feed is fermentation calefaction gradually.Through the food of getting of common house-fly grub 4～5 days, breeding feed becomes pitchy, and moisture is reduced to 40%～60%, material loosening, stink reduces, and its content of organic matter, total nutrient (N, P, K total content) and content of beary metal etc. are detected in the oven dry back, all reach the relevant art index of national fertilizer.At this moment, common house-fly grub has reached aging state, climbs out of breeding feed one after another, seeks suitable place and pupates.In addition, the 4th day of the maggot grow of being in need connect a collecting box in that described housefly maggot breeding feed casing is outside, and dry chaff powder is housed in this collecting box, collects aging housefly maggot in order to guiding.Remaining treated housefly maggot breeding feed can be made into fertilizer after drying.
Compared with prior art, the present invention has following beneficial effect:
1. the disposal ability of the inventive method is strong, and processing speed is faster than common compost, and after treatment, the mud capacity that sanitary sewage disposal factory produces reduces 10～30%, and peculiar smell reduces, and the mud that a collection of sanitary sewage disposal of every processing factory produces only needs 4～5 days.2. the inventive method occupation of land is few, and the fixed investment cost is low, and the processing procedure less energy consumption is conducive to environmental protection.3. adopt method of the present invention, the mud that sanitary sewage disposal factory after treatment produces becomes the high-quality fertilizer, and its nutrient content reaches the technical indicator of national fertilizer.4. the inventive method can obtain a large amount of housefly maggots simultaneously in the process of the mud of handling the generation of sanitary sewage disposal factory, can obtain high-quality insect bioprotein, has realized the resource circulation recycling.Various detection data are referring to the subordinate list 1 among the embodiment, subordinate list 2, subordinate list 3, subordinate list 4.In addition, compare with the disclosed technical scheme of CN101879517A, CN101774831A, what the present invention handled is the mud that sanitary sewage disposal factory produces, and the disclosed technical scheme of CN101879517A, CN101774831A can not be handled the mud that sanitary sewage disposal factory produces.
The specific embodiment
Below further specify technical scheme of the present invention by specific embodiment.
Embodiment 1: the mud of collecting the generation of sanitary sewage disposal factory with Plastic Drum (is namely managed the mud that produces behind the sanitary sewage through sanitary sewage disposal factory and office, for each embodiment, as follows), the interpolation appropriate amount of auxiliary materials also stirs and makes housefly maggot breeding feed, the prescription of breeding feed (the mass percent sum of each component is 100%) as shown in table 1.Described chaff powder is bran powder, and certainly, it also can be one or more the mixture in the chaff powder such as bran powder, rice husk meal, wheat bran powder, and its proportioning is arbitrarily during several mixing.Breeding feed is poured in the corresponding casing, and the thick 8cm of breeding feed, and put into an amount of tame fly blow (namely inserting an amount of tame fly blow on breeding feed surface) connects ovum density and is: 1g family's fly blow/1kg breeding feed, under 30 ℃, hatch into common house-fly grub after connecing ovum.Family's fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.The 4th day, outside the breeding feed casing, overlap a bigger casing again, and be sprinkled into dry chaff powder therein, to make things convenient for collector's fly maggot.Through 4～5 days, common house-fly grub reached aging state, climbed out of breeding feed one after another and entered in the bigger casing, and breeding feed becomes pitchy, material loosening, and stink reduces, and can be made into fertilizer after the oven dry.Various detection data are referring to subordinate list 1, subordinate list 2.
The prescription of table 1 housefly maggot breeding feed
Data contrast before and after subordinate list 1 Treatment of Sludge
| Test item | Unit | Before the Treatment of Sludge | After the Treatment of Sludge |
| Cr | 10 -6 | 87.6 | 70.4 |
| Hg | 10 -9 | 1362 | 1126 |
| Pb | 10 -6 | 72.6 | 48.5 |
| Cd | 10 -6 | 4.32 | 2.86 |
| As | 10 -6 | 12.8 | 10.7 |
| K 2O | 10 -2 | 0.32 | 1.04 |
| Organic | 10 -2 | 62.40 | 60.1 |
| Total N | 10 -2 | 5.10 | 4.50 |
| P | 10 -6 | 13582 | 15368 |
Subordinate list 2 fly maggot powders detect data
| Test item | Unit | Testing result |
| Crude protein | % | 60.8 |
| Fat | g/100g | 16.2 |
| Cadmium | mg/kg | 0.08 |
| Plumbous | mg/kg | 0.8 |
| Chromium | mg/kg | 2.50 |
| Total arsenic | mg/kg | 0.42 |
| Mercury | mg/kg | 0.050 |
Embodiment 2: collect the mud that sanitary sewage disposal factory produces with Plastic Drum, the interpolation appropriate amount of auxiliary materials also stirs and makes the housefly maggot breeding feed, the prescription of breeding feed is as shown in table 2, and (described chaff powder is bran powder, perhaps select the wheat bran powder for use, certainly, it also can be several mixture in the chaff powder such as bran powder, rice husk meal, wheat bran powder, and its proportioning is arbitrarily during several mixing).Breeding feed is poured in the corresponding casing, and the thick 13cm of breeding feed, and put into an amount of tame fly blow connects ovum density and is: 2.5g family's fly blow/1kg breeding feed, under 42 ℃, hatch into common house-fly grub after connecing ovum.Family's fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.The 4th day, outside the breeding feed casing, overlap a bigger casing again, and be sprinkled into dry chaff powder therein, to make things convenient for collector's fly maggot.Through 4～5 days, common house-fly grub reached aging state, climbed out of breeding feed one after another and entered in the bigger casing, and breeding feed becomes pitchy, material loosening, and stink reduces, and can be made into fertilizer after the oven dry.Various detection data are referring to subordinate list 3, subordinate list 4.
The prescription of table 2 housefly maggot breeding feed
Data contrast before and after subordinate list 3 Treatment of Sludge
| Test item | Unit | Before the Treatment of Sludge | After the Treatment of Sludge |
| Cr | 10 -6 | 87.6 | 69.1 |
| Hg | 10 -9 | 1362 | 1106 |
| Pb | 10 -6 | 72.6 | 47.4 |
| Cd | 10 -6 | 4.32 | 2.73 |
| As | 10 -6 | 12.8 | 9.8 |
| K 2O | 10 -2 | 0.32 | 1.13 |
| Organic | 10 -2 | 62.40 | 60.9 |
| Total N | 10 -2 | 5.10 | 4.63 |
| P | 10 -6 | 13582 | 16320 |
Subordinate list 4 fly maggot powders detect data
| Test item | Unit | Testing result |
| Crude protein | % | 61.3 |
| Fat | g/100g | 16.8 |
| Cadmium | mg/kg | 0.07 |
| Plumbous | mg/kg | 0.7 |
| Chromium | mg/kg | 2.42 |
| Total arsenic | mg/kg | 0.38 |
| Mercury | mg/kg | 0.047 |
Embodiment 3: collect the mud that sanitary sewage disposal factory produces with Plastic Drum, the interpolation appropriate amount of auxiliary materials also stirs and makes the housefly maggot breeding feed, the prescription of breeding feed is as shown in table 3, and (described chaff powder is bran powder or wheat bran powder or rice husk meal, certainly, it also can be several mixture in the chaff powder such as bran powder, rice husk meal, wheat bran powder, and its proportioning is arbitrarily during several mixing).Breeding feed is poured in the corresponding casing, and the thick 10cm of breeding feed, and put into an amount of tame fly blow connects ovum density and is: 3g family's fly blow/1kg breeding feed, under 50 ℃, hatch into common house-fly grub after connecing ovum.Family's fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.The 4th day, outside the breeding feed casing, overlap a bigger casing again, and be sprinkled into dry chaff powder therein, to make things convenient for collector's fly maggot.Through 4～5 days, common house-fly grub reached aging state, climbed out of breeding feed one after another and entered in the bigger casing, and breeding feed becomes pitchy, material loosening, and stink reduces, and can be made into fertilizer after the oven dry.
The prescription of table 3 housefly maggot breeding feed
Embodiment 4: collect the mud that sanitary sewage disposal factory produces with Plastic Drum, the interpolation appropriate amount of auxiliary materials also stirs and makes the housefly maggot breeding feed, the prescription of breeding feed is as shown in table 4, and (described chaff powder is bran powder or wheat bran powder or rice husk meal, certainly, it also can be several mixture in the chaff powder such as bran powder, rice husk meal, wheat bran powder, and its proportioning is arbitrarily during several mixing).Breeding feed is poured in the corresponding casing, and the thick 12cm of breeding feed, and put into an amount of tame fly blow connects ovum density and is: 1g family's fly blow/1kg breeding feed, under 25 ℃, hatch into common house-fly grub after connecing ovum.Family's fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.The 4th day, outside the breeding feed casing, overlap a bigger casing again, and be sprinkled into dry chaff powder therein, to make things convenient for collector's fly maggot.Through 4～5 days, common house-fly grub reached aging state, climbed out of breeding feed one after another and entered in the bigger casing, and breeding feed becomes pitchy, material loosening, and stink reduces, and can be made into fertilizer after the oven dry.
The prescription of table 4 housefly maggot breeding feed
Embodiment 5: collect the mud that sanitary sewage disposal factory produces with Plastic Drum, the interpolation appropriate amount of auxiliary materials also stirs and makes the housefly maggot breeding feed, the prescription of breeding feed is as shown in table 5, and (described chaff powder is bran powder or wheat bran powder or rice husk meal, certainly, it also can be several mixture in the chaff powder such as bran powder, rice husk meal, wheat bran powder, and its proportioning is arbitrarily during several mixing).Breeding feed is poured in the corresponding casing, and the thick 8cm of breeding feed, and put into an amount of tame fly blow connects ovum density and is: 1.5g family's fly blow/1kg breeding feed, under 40 ℃, hatch into common house-fly grub after connecing ovum.Family's fly blow was hatched into larva in the 2nd day, began to get the food breeding feed.The 4th day, outside the breeding feed casing, overlap a bigger casing again, and be sprinkled into dry chaff powder therein, to make things convenient for collector's fly maggot.Through 4～5 days, common house-fly grub reached aging state, climbed out of breeding feed one after another and entered in the bigger casing, and breeding feed becomes pitchy, material loosening, and stink reduces, and can be made into fertilizer after the oven dry.
The prescription of table 5 housefly maggot breeding feed
Embodiment 6: the prescription of breeding feed is as shown in table 6, and other is as embodiment 1.
The prescription of table 6 housefly maggot breeding feed
Embodiment 7: the prescription of breeding feed is as shown in table 7, and other is as embodiment 1.
The prescription of table 7 housefly maggot breeding feed
Embodiment 8: the prescription of breeding feed is as shown in table 8, and other is as embodiment 1.
The prescription of table 8 housefly maggot breeding feed
Embodiment 9: the prescription of breeding feed is as shown in table 9, and other is as embodiment 1.
The prescription of table 9 housefly maggot breeding feed
Embodiment 10: the prescription of breeding feed is as shown in table 10, and (described chaff powder is bran powder or wheat bran powder or rice husk meal, it perhaps is the mixture of three kinds of bran powders, rice husk meal, wheat bran powder, its proportioning is arbitrarily during three kinds of mixing, and weight proportion can be 1: 1: 1), other is as embodiment 1.
The prescription of table 10 housefly maggot breeding feed
Claims (10)
1. method of utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces, it is characterized in that in the mud that sanitary sewage disposal factory produces, adding auxiliary material and stirring, make the housefly maggot breeding feed, put into tame fly blow again, the larval feeding housefly maggot breeding feed of family's fly blow hatching, the mud that makes sanitary sewage disposal factory produce obtains handling; The mass fraction of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 45% ~ 95%, remaining is auxiliary material, and auxiliary material is made of following materials by weight: cow dung 0 ~ 30%, bagasse 0 ~ 40%, rapeseed dregs 0 ~ 10%, peanut shell 0 ~ 40%, corncob 0 ~ 30%, beer slag 0 ~ 30%, chaff powder 0 ~ 30%, potassium dihydrogen phosphate 0 ~ 5%, sodium dihydrogen phosphate 0 ~ 5%.
2. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1 is characterized in that above-mentioned auxiliary material is one or more the mixture in cow dung, bagasse, rapeseed dregs, peanut shell, corncob, beer slag, chaff powder, potassium dihydrogen phosphate and the sodium dihydrogen phosphate.
3. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1, the incubation temperature that it is characterized in that above-mentioned tame fly blow is 25 ~ 50 ℃.
4. the method for utilizing housefly maggot to handle the mud of sanitary sewage disposal factory generation according to claim 1 is characterized in that the density of putting into of above-mentioned family fly blow is 1 ~ 3g family fly blow/1kg housefly maggot breeding feed.
5. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1, the thickness that it is characterized in that above-mentioned housefly maggot breeding feed is 8 ~ 15cm.
6. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1, it is characterized in that collecting box of the outside connection of above-mentioned housefly maggot breeding feed casing, dry chaff powder is housed in this collecting box, collects aging housefly maggot in order to guiding.
7. the method for utilizing housefly maggot to handle the mud of sanitary sewage disposal factory generation according to claim 1 is characterized in that the above-mentioned processing cycle is 4 ~ 5 days; After the housefly maggot breeding feed disposed, fertilizer was made in oven dry.
8. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1, it is characterized in that the mass fraction of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 45% ~ 60%, remaining is auxiliary material, and auxiliary material is made of following materials by weight: cow dung 10% ~ 15%, bagasse 10% ~ 15%, rapeseed dregs 5% ~ 10%, peanut shell 5% ~ 10%, corncob 1% ~ 10%, beer slag 1% ~ 10%, chaff powder 1% ~ 10%, potassium dihydrogen phosphate 1% ~ 2%, sodium dihydrogen phosphate 1 ~ 2%.The incubation temperature of above-mentioned tame fly blow is 40 ~ 45 ℃, and the density of putting into of above-mentioned family fly blow is 2.5 ~ 3g family fly blow/1kg housefly maggot breeding feed, and the thickness of above-mentioned housefly maggot breeding feed is 12 ~ 15cm.
9. the method for utilizing housefly maggot to handle the mud that sanitary sewage disposal factory produces according to claim 1, it is characterized in that the mass fraction of mud in the housefly maggot breeding feed that above-mentioned sanitary sewage disposal factory produces is 48%, remaining is auxiliary material, and auxiliary material is made of following materials by weight: cow dung 12%, bagasse 12%, rapeseed dregs 10%, peanut shell 8%, corncob 2%, beer slag 2%, chaff powder 5%, potassium dihydrogen phosphate 1%; The incubation temperature of above-mentioned tame fly blow is 42 ℃, and the density of putting into of above-mentioned family fly blow is 2.5g family's fly blow/1kg housefly maggot breeding feed, and the thickness of above-mentioned housefly maggot breeding feed is 13cm.
10. a material formula that utilizes housefly maggot to handle the mud of sanitary sewage disposal factory generation is characterized in that it is made of the material of following mass fraction: mud 45% ~ 95%, cow dung 0 ~ 30%, bagasse 0 ~ 40%, rapeseed dregs 0 ~ 10%, peanut shell 0 ~ 40%, corncob 0 ~ 30%, beer slag 0 ~ 30%, chaff powder 0 ~ 30%, potassium dihydrogen phosphate 0 ~ 5%, sodium dihydrogen phosphate 0 ~ 5% that sanitary sewage disposal factory produces.
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| Publication number | Priority date | Publication date | Assignee | Title |
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