CN103549224B - Method for producing tenebrio molitor feed from domestic garbage - Google Patents
Method for producing tenebrio molitor feed from domestic garbage Download PDFInfo
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- CN103549224B CN103549224B CN201310596091.5A CN201310596091A CN103549224B CN 103549224 B CN103549224 B CN 103549224B CN 201310596091 A CN201310596091 A CN 201310596091A CN 103549224 B CN103549224 B CN 103549224B
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Abstract
The invention relates to a method for producing a tenebrio molitor feed from domestic garbage, which belongs to the technical field of domestic garbage treatment. The method comprises the following steps: breaking bags, sterilizing, carrying out magnetic separation, sorting, sifting, winnowing, drying, crushing, adding a biological agent and bran, and finally fully stirring to prepare the tenebrio molitor feed. By the method, the domestic garbage can become endless treasures with great developing potential and turns into recycled resources, and thus the minimization, harmless treatment, recycling and industrialization of the domestic garbage are realized.
Description
Technical field
The present invention relates to a kind of method utilizing house refuse to produce yellow meal worm feed, belong to technical field of domestic garbage treatment.
Background technology
Along with the development of national economy and the raising of living standards of the people, a large amount of house refuses produced continually every day, become the social concern that is destroyed ecology, contaminated environment, the puzzlement mankind day by day.According to statistics, current China produces house refuse per capita per year and is about 300kg, and annual growth is up to 7%-9%, but harmless treatment rate is less than 20%.Especially in vast rural area, rubbish huddles, leave about, the phenomenon ubiquity of sewage crossing current, not only invades and damages earth's surface, polluted river, and multiply mosquitos and flies, makes environment and the masses are healthy is subject to the danger side of body.Garbage problem has become outstanding problem anxious to be resolved in social development, and it not only has influence on the quality of life of resident, is more related to the sustainable development of local economy society.
Present situation and the conventional trash processing way of China's domestic rubbish disposal are: sanitary landfills, high temperature incineration, biochemical compost.
1, sanitary landfills:
The sanitary landfills process of rubbish has the advantages such as easy and simple to handle, instant effect, treating capacity are large.The U.S. started to adopt house refuse Sanitary Landfill Technology in 1940---namely there is the consumer waste filling and embedding technology of control.External from the eighties in 20th century in refuse landfill Anti-seeping technology end user's geosynthetics as substrate, progressively become a ripe technology and be widely used.The high density polyethylene (HDPE) (HDPE) that usual employing about 2mm is thick is as backing material, and its infiltration coefficient can reach 10-12 ~ 10-13cm/s.At present, Prof. Du Yucang backing material defines series of products, and has formulated respective design and construction reference.Refuse landfill operation is generally operated by rubbish bull-dozer and compactor, both can improve utilization of area rate, can reduce rainwater washing away rubbish again.The large-scale Sanitary Landfill of modernization adopts unit landfill method mostly, and carries out compaction in layers and covering every day to rubbish.In recent years, China's Construction of Refuse Landfill Yard was gradually improved, and some refuse landfills with higher level are built up in succession.As comparatively perfect sanitary filling field has been built up in Guangzhou, Hangzhou, Suzhou, Chengdu, Beijing, packet header etc. all in succession.Not most scientific processing mode by land-fill method process house refuse, about have the rubbish of 70% to obtain process from processing mode.But what really obtain harmless treatment only accounts for 13%.Simultaneously land-fill method also exist permanent take a large amount of soil, generation biogas to problems such as atmosphere pollution are serious.If or else notice that geological conditions also can cause the soil (secondary pollution of underground water and surrounding environment.A soot uses a period of time, opens up new refuse landfill again after filling up, and if things go on like this, refuse landfill is on the increase, and causes the significant wastage of land resource.
2, compost:
As far back as the seventies and eighties in 20th century, many developed countries have built the higher garbage compost factory of large quantities of mechanization degree, many countries have also formulated the technical standard of garbage compost product, simultaneously in raising garbage compost product quality, expand garbage compost production marketing and expand the aspects such as the garbage compost product scope of application and have also been made extensive work, effectively promote applying of garbage compost technology.The garbage compost technical development of China is in recent years very fast, starts application " secondary fermentation " compost and produces trend specialization.At present built dung yard about more than 20 is located, and the cities such as Beijing, Shanghai, Wuhan, Wuxi, Changzhou, Tianjin, Shenyang are the designed, designed mechanization garbage compost process for producing line of applicable China.But the problems such as the existing ubiquity product fertilizer efficiency of China's garbage compost is lower, second-rate, find no sale, make enterprise be difficult to keep on the go, there is the most outstanding fermentative smell and fertilizer efficiency two problems in composting technology simultaneously.
3, high temperature incineration:
Garbage incineration technology is through the present comparative maturity of development of decades, and the type of mechanical grate incinerator finalizes the design almost.Comparatively early, current world year burning disposal amount reaches 1.3 hundred million tons, and the ratio of Japan, Denmark's waste incineration is respectively up to 95%, 56% in external waste incineration development.China's city garbage burning technology starts from late 1980s, obtains develop rapidly in the nineties, but garbage incineration technology is not also very extensive in China's use.China adopts incineration technology disposal of refuse to be still in the starting stage.Because China's many regional population density is high, particularly many urban land resources of eastern region lack, and burning disposal is more in these area application.But burning electricity generation, invests huge, day process 1000T rubbish construction investment needs 500,000,000 yuan of right left sides, and burns the carcinogens such as easy generation dioxin.The moisture height of house refuse, rubbish is combustion-supporting need consume mass energy, surface sees it is that incineration firing utilizes, actual is that a large amount of combustion-supporting energy is idle and fire, and exchanges little resource for, lose more than gain with large resource, the electric cost sent is high, have to maintain with public subsidies, high price online, visible this processing method only reaches minimizing, does not reach innoxious and target that is resource.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method utilizing house refuse to produce yellow meal worm feed, and the method makes house refuse become the resource that can re-use, and makes house refuse reach minimizing, innoxious, resource, industrialization.
The method utilizing house refuse to produce yellow meal worm feed of the present invention, comprises the following steps:
(1) broken bag step: send collecting the house refuse come into garbage bag breaking device, various bagged garbage is broken;
(2) sterilisation step: adopt thimerosal to carry out disinfection to the house refuse after broken bag;
(3) magnetic separation step: the house refuse after sterilization is sent into magnetic separator and carries out magnetic separation, removing metal object; The metal object obtained can be recycled;
(4) sorting step: the house refuse after magnetic separation is carried out artificial separation, removing comprise plastics, glass, pottery or wooden can not as the foreign material of feed;
(5) screen, winnowing step: the house refuse after artificial separation is sent into selection by winnowing screening all-in-one machine carries out screening, selection by winnowing, what removing artificial separation was residual comprises the foreign material such as the scraps of paper, plastics or film; Organic domestic waste is obtained after step (5) completes;
(6) baking step: the house refuse after screening, selection by winnowing is sent into drying plant and dries; After drying, the moisture control of house refuse is below 15%;
(7) pulverising step: the house refuse after drying is sent into reducing mechanism, is ground into powdery house refuse;
(8) biologic product, wheat bran step is added: join in powdery house refuse by biologic product, wheat bran, obtained yellow meal worm feed after fully stirring.
The present invention utilizes biotechnology system process house refuse to produce yellow meal worm feed, thus carries out yellow meal worm cultivation.
The sepage of step (1), rubbish sepage that (2) flow out and garbage raw material, needs to carry out sepage process.Processing method is conventionally carried out, and the penetrating fluid by house refuse flows into anaerobic reaction device process, adopts following treatment process:
Percolate-pretreatment-gas explosion ammonia nitrogen removal-anaerobic device-precipitation-Aerobic Process for Treatment-chemical precipitation-filter tank-discharge.
Step (2) thimerosal preferably 84 thimerosals, during use, the ratios with water of 1:40-60 dilutes in mass ratio, preferred 1:50.Thimerosal consumption accounts for the 0.1-1% of house refuse gross mass.
In step (8), biologic product is EM bacterium, and biologic product is the 0.5-2 ‰ of powdery house refuse gross mass, and wheat bran is the 20-40% of powdery house refuse gross mass.
Described biologic product is EM bacterium, and it belongs to kind more than 80 by Anaerobic Bacteria and aerobic bacteria etc. 10 to act on different beneficial microbe (mainly containing lactobacillus, yeast flora, photosynthetic bacteria group, the thread flora of fermentation fungus strain, Gram positive actinomycetes group) Mixed culture.Its function: one is regulate yellow meal worm stomach balance, promotes nutrient absorption, improves efficiency of feed utilization; Two is improve body non-specific immunity, improves survival rate and regularity.Obtained feed is without the need to fermentation, and after stirring, direct feeding, shortens effective transformation period of house refuse.
Described biologic product also can be that EM bacterium, bacillus subtilis, galactan are according to the compound of mass ratio 1:1:1, adding of galactan makes EM bacterium, bacillus subtilis, galactan promote nutrient absorption further, bacillus subtilis, adding of galactan serve synergy with EM bacterium, compared with adopting separately EM bacterium as biologic product, efficiency of feed utilization improves 10-15%.
Realize utilizing house refuse to produce the device of yellow meal worm feed method, comprise the garbage bag breaking machine, magnetic separator, artificial separation platform, selection by winnowing screening all-in-one machine, dryer, garbage pulverator and the blender that adopt conveyer belt to connect successively, wherein, above garbage bag breaking machine, chlorination equipment is set.
Described garbage bag breaking machine front end arranges the first conveyer belt.
Between described selection by winnowing screening all-in-one machine and dryer, the second conveyer belt is set.
3rd conveyer belt is set between described dryer and garbage pulverator.
Described garbage bag breaking machine is connected with sepage processor.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention can process organic substance in house refuse effectively, reaches resource reclaim recycling, metal, plastics, glass, pottery or woodenly to be recycled by traditional way of recycling;
(2) the present invention is easy to implement, large to the treating capacity of house refuse, can meet the requirement of industrialization;
(3) processing time is short, and a treatment cycle time is 2-3 hour, can realize effective conversion of house refuse at short notice;
(4) produce Environmental Safety, production process, without any pollutant emission, can not cause secondary pollution;
(5) utilize biologic product and wheat bran process house refuse to produce yellow meal worm feed, cultivation yellow meal worm, reduces the cost of yellow meal worm cultivation, promotes yellow meal worm aquaculture industry, solves the problem of insect albumen powder shortage.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention structural representations;
In figure: 1, the first conveyer belt; 2, chlorination equipment; 3, garbage bag breaking machine; 4, magnetic separator; 5, artificial separation platform; 6, selection by winnowing screening all-in-one machine; 7, the second conveyer belt; 8, dryer; 9, the 3rd conveyer belt; 10, garbage pulverator; 11, blender; 12, sepage processor.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further.
As shown in Figure 1, house refuse is utilized to produce the device of yellow meal worm feed, comprise the garbage bag breaking machine 3, magnetic separator 4, artificial separation platform 5, selection by winnowing screening all-in-one machine 6, dryer 8, garbage pulverator 10 and the blender 11 that adopt conveyer belt to connect successively, wherein, above garbage bag breaking machine 3, chlorination equipment 2 is set; Garbage bag breaking machine 3 front end arranges the first conveyer belt 1; Second conveyer belt 7 is set between selection by winnowing screening all-in-one machine 6 and dryer 8; 3rd conveyer belt 9 is set between dryer 8 and garbage pulverator 10; Garbage bag breaking machine 3 is connected with sepage processor 12.
Embodiment 1
The method utilizing house refuse to produce yellow meal worm feed of the present invention, comprises the following steps:
(1) broken bag step: send collecting the house refuse come into garbage bag breaking device by conveyer, various bagged garbage is broken;
(2) sterilisation step: the house refuse after broken bag carries out disinfection by after the dilution proportion of 1:50 by 84 thimerosals and water; Thimerosal consumption accounts for 0.5% of house refuse gross mass.
(3) magnetic separation step: house refuse is sent into permanent magnetic expansion cylinder magnetic extractor by conveyer and carries out magnetic separation, removing metal object is also recycled it;
(4) sorting step, is sent to house refuse on artificial separation platform and carries out artificial separation, removing comprise plastics, glass, pottery or wooden etc. can not as the foreign material of feed;
(5) screening, winnowing step: the house refuse after artificial separation is sent into selection by winnowing screening all-in-one machine by conveyer and carries out selection by winnowing screening, obtains organic domestic waste after the foreign material such as the scraps of paper, plastics, film that removing artificial separation is residual;
(6) baking step: the organic domestic waste after selection by winnowing, screening is entered drying plant by conveyer, and dried by domestic organic garbage, moisture control is 15%;
(7) destruction step: the domestic organic garbage of oven dry is entered breaker by conveyer and is ground into powdery, granularity is 200-300 order;
(8) biologic product and wheat bran step is added: join in powdery house refuse by biologic product, wheat bran, obtained yellow meal worm feed after fully stirring; Wherein, biologic product is EM bacterium, EM bacterium be powdery house refuse gross mass 1 ‰, wheat bran is 30% of powdery house refuse gross mass.
To the sepage of step (1), rubbish sepage that (2) flow out and garbage raw material, carry out sepage process.
Embodiment 2
The house refuse that utilizes of the present invention is produced in the method for yellow meal worm feed:
Step (2), the house refuse after broken bag carries out disinfection by after the dilution proportion of 1:40 by 84 thimerosals and water; Thimerosal consumption accounts for 0.1% of house refuse gross mass.
Step (6), house refuse dries rear moisture control 13%;
Step (8), biologic product EM bacterium is 0.5 ‰ of powdery house refuse gross mass, and wheat bran is 40% of powdery house refuse gross mass, and all the other are as embodiment 1.
Embodiment 3
In step (2), the house refuse after broken bag carries out disinfection by after the dilution proportion of 1:60 by 84 thimerosals and water; Thimerosal consumption accounts for 1% of house refuse gross mass.
In step (6), house refuse dries rear moisture control 10%;
In step (8), biologic product EM bacterium is 2 ‰ of powdery house refuse gross mass, and wheat bran is 20% of powdery house refuse gross mass, and all the other are as embodiment 1.
Embodiment 4
Biologic product be EM bacterium, bacillus subtilis, galactan according to the compound of mass ratio 1:1:1, all the other are as embodiment 1.Relative to embodiment 1, efficiency of feed utilization improves 15%.
Embodiment 5
Biologic product be EM bacterium, bacillus subtilis, galactan according to the compound of mass ratio 1:1:1, all the other are as embodiment 2.Relative to embodiment 2, efficiency of feed utilization improves 10%.
Embodiment 6
Biologic product be EM bacterium, bacillus subtilis, galactan according to the compound of mass ratio 1:1:1, all the other are as embodiment 3.Relative to embodiment 3, efficiency of feed utilization improves 13%.
Claims (8)
1. utilize house refuse to produce a method for yellow meal worm feed, it is characterized in that: comprise the following steps:
(1) broken bag step: send collecting the house refuse come into garbage bag breaking device, various bagged garbage is broken;
(2) sterilisation step: adopt thimerosal to carry out disinfection to the house refuse after broken bag;
(3) magnetic separation step: the house refuse after sterilization is sent into magnetic separator and carries out magnetic separation, removing metal object;
(4) sorting step: the house refuse after magnetic separation is carried out artificial separation, removing comprise plastics, glass, pottery or wooden can not as the foreign material of feed;
(5) screen, winnowing step: the house refuse after artificial separation is sent into selection by winnowing screening all-in-one machine carries out screening, selection by winnowing, what removing artificial separation was residual comprises the scraps of paper, plastics or film foreign material;
(6) baking step: the house refuse after screening, selection by winnowing is sent into drying plant and dries;
(7) pulverising step: the house refuse after drying is sent into reducing mechanism, is ground into powdery house refuse;
(8) biologic product, wheat bran step is added: join in powdery house refuse by biologic product, wheat bran, obtained yellow meal worm feed after fully stirring;
Biologic product in step (8) is that EM bacterium, bacillus subtilis, galactan are according to the compound of mass ratio 1:1:1.
2. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, is characterized in that: carry out sepage process to the refuse leachate that step (1) and step (2) flow out.
3. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, it is characterized in that: thimerosal is 84 thimerosals, during use, the ratios with water of 1:40-60 dilutes in mass ratio.
4. the method utilizing house refuse to produce yellow meal worm feed according to claim 3, is characterized in that: during use, the ratios with water of 1:50 dilutes in mass ratio.
5. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, is characterized in that: recycle the metal object that step (3) obtains.
6. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, is characterized in that: step (6) dries the moisture control of rear house refuse below 15%.
7. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, it is characterized in that: in step (8), biologic product is the 0.5-2 ‰ of powdery house refuse gross mass, and wheat bran is the 20-40% of powdery house refuse gross mass.
8. the method utilizing house refuse to produce yellow meal worm feed according to claim 1, it is characterized in that: the device of use comprises the garbage bag breaking machine (3), magnetic separator (4), artificial separation platform (5), selection by winnowing screening all-in-one machine (6), dryer (8), garbage pulverator (10) and the blender (11) that adopt conveyer belt to connect successively, wherein, garbage bag breaking machine (3) top arranges chlorination equipment (2).
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104187198B (en) * | 2014-09-26 | 2016-04-06 | 张可池 | A kind of yellow meal worm special compound feed and preparation method thereof |
| CN104381656A (en) * | 2014-11-13 | 2015-03-04 | 桂东县华溪石蛙养殖专业合作社 | Tenebrio molitor feed and preparation method thereof |
| CN105080940A (en) * | 2015-09-14 | 2015-11-25 | 肖唐彦 | Kitchen garbage treatment method |
| CN105558440B (en) * | 2016-01-26 | 2020-02-21 | 华南农业大学 | A feed for Tenebrio molitor and black soldier flies based on organic waste fermentation residues |
| CN106360159A (en) * | 2016-10-20 | 2017-02-01 | 集美大学 | Chinese-herbal-medicine-containing yellow meal worm feed and preparation method thereof |
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