CN105130514A - Secondary compost fertilizer and secondary compost method - Google Patents
Secondary compost fertilizer and secondary compost method Download PDFInfo
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- CN105130514A CN105130514A CN201510428321.6A CN201510428321A CN105130514A CN 105130514 A CN105130514 A CN 105130514A CN 201510428321 A CN201510428321 A CN 201510428321A CN 105130514 A CN105130514 A CN 105130514A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention provides a secondary compost fertilizer and a secondary compost method. In the invention, municipal domestic waste is used for coarsely composted, and by means of regulation of initial C/N ratio and water content and addition of a regulating agent and an inoculants, the coarse compost is finally decayed through pile turning during composting process and monitoring of temperature change. The invention provides a market outlet for the coarse compost which is not enough in decay degree, thereby improving recycling utilization of the municipal domestic waste. Meanwhile, the secondary compost fertilizer can be used in the fields of abandoned mine vegetation restoration, urban garden and road greening, and nursery and the like which seriously need foreign soil introduction. The secondary compost fertilizer solves the problem of less foreign soil source and large quantity of foreign soil.
Description
Technical field
The present invention relates to recycling municipal solid waste and utilize field, particularly relate to a kind of method of thick for domestic waste compost being carried out secondary compost maturity.
Technical background
In recent years, the domestic waste total amount of China's composting garbage process increases to some extent, and particularly specific requirement has clearly been done to composting domestic waste quantity in " 12 " planning by Beijing.Along with the increase of composting domestic waste total amount, the turnout of garbage compost also increases thereupon.But due to current China composting process, equipment backwardness relatively, and the domestic waste overwhelming majority takes the problems such as mixed collection mode, makes garbage compost rotten degree inadequate.Thus on applying, there is restriction, cause garbage compost to find no market, a large amount of compost does not obtain abundant recycling, wastes the link of composting garbage process.Therefore, this patent has set forth the technique of producing fertilizer from refuse in daily life (i.e. thick compost) being carried out to secondary compost, to improve the rotten degree of thick compost, solves the problem that a large amount of thick compost does not get utilization.
Simultaneously, along with China's Urbanization Construction constantly carry out and people to the attention gradually of ecotope, abandoned mine Revegetation, the fields such as urban afforestation, highway planting, nursery cultivation need a large amount of soil, to meet the requirement of vegetation growth, but these fields often soil layer are thinner, and soil property is poor, even do not have soil layer, therefore need to carry out soil moved in improve the original from other field, as the spoir in construction site, but there is the problem of soil nutrient scarcity, and soil moved in improve the original source is unstable, inadequate.
Therefore by there is certain nutritive substance, the secondary compost that becomes thoroughly decomposed is applied to these fields above, solve thick compost simultaneously and sell the problem that, Tu Yuan large with soil moved in improve the original amount be difficult to find nowhere.
Summary of the invention
For overcoming the inadequate problem of the producing fertilizer from refuse in daily life rotten degree that exists in prior art, the invention provides a kind of secondary compost fertilizer and method.
A kind of secondary compost fertilizer, prepared by the thick compost of domestic waste, wooden broken end, urea, microbiobacterial agent, water, the thick compost of wherein said domestic waste is domestic waste product through a compost treatment in comprehensive garbage disposal factory, and the product of a described compost treatment is the product of municipal solid wastes by static aerobic fermentation technique; With initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent for 0.02g/kg is to calculate the consumption of wooden broken end, urea and microbiobacterial agent, wherein, ph is 6-8; Described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
Further, described wooden broken end comprises sawdust, wheat skin, wood chip.
Further, the particle diameter at described wooden broken end is for being less than 2 centimetres.
Further, the bacterium number of described microbiobacterial agent is 1 × 10
9individual/g, comprising the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
A kind of secondary compost method, comprises the following steps:
1) carbon-nitrogen ratio of the thick compost of domestic waste, water content, weight and PH is measured;
2) with initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent calculates the amount of urea, wooden broken end, microbial inoculum for 0.02g/kg;
3) pH value to 6 ~ 8 are reconciled;
4) in garbage rough compost, insert described wooden broken end, turn evenly;
5) urea is sprayed in thick compost, turns evenly;
6) microbial inoculum is sprayed in thick compost, turns evenly;
7) growth 1 ~ 2 meter of body heap will be piled, wide 1 ~ 2 meter, the fertilizer heap of high 1 ~ 2 meter, turning in every 2 ~ 3 days is once;
8) within every 9 days, microbial inoculum is supplemented according to 0.02g/kg;
9) heap temperature maintains 50 DEG C ~ 70 DEG C, continues 5 ~ 6 days, and be automatically reduced to less than 40 DEG C when no longer heating up, secondary compost completes;
Wherein, described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
Further, the bacterium number of described microbiobacterial agent is 1 × 10
9individual/g, comprising the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%.The bacillus pumilus of 5%.
Further, described heap body is long 1.5 meters, and wide 1.5 meters, the truncated rectangular pyramids shape of high 1.0 meters, turning in every 3 days once.
Further, described wooden broken end comprises sawdust, wheat skin, wood chip.
Further, the particle diameter at described wooden broken end is for being less than 2 centimetres.
The present invention carries out secondary compost maturity to the thick compost of domestic waste, by orthogonal test, takes Fuzzy Mathematics Analysis method, variance and range analysis, from 9 kinds of compost combinations, filter out the best combination of rotten degree.
The present invention with carbon-nitrogen ratio, keep the skin wet and 4 factors that microbial inoculum situation, turning frequency are orthogonal test, the thick compost of domestic waste is composting material, and sawdust and urea are carbon-nitrogen ratio amendment, adds microbiobacterial agent.Each additive feature is as follows:
The thick compost of domestic waste of the present invention is domestic waste product through a compost treatment in comprehensive garbage disposal factory, take from A Suwei comprehensive garbage disposal factory of Beijing, the raw material of a compost is that municipal solid wastes comprises the recyclable rubbish such as paper, plastics, glass, metal, fabric, rubber, the toxic refuse such as refuse battery, useless mercurythermometer, Expired drug, waste oil paint can, the rubbishes from cooking such as leftovers leftovers, dish green tops and dirt, brick and tile, pottery etc., adopt the product that static aerobic fermentation technique obtains; Described sawdust is provided by one, Beijing Furniture Factory, is the wood chip wood powder mixture produced when machining sheet, carbon-nitrogen ratio 478.7; Described urea is purchased from Gardening Materials articles for use shop, Beijing, and carbon-nitrogen ratio is 0.43; The bacterium number of microbiobacterial agent is 1 × 10
9individual/g, wherein has the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
The method of domestic waste of the present invention thick compost secondary compost maturity is carried out according to following steps:
Initial C/N according to 20, the initial water content of 65%, 0.02g/Kg microbial inoculum amount calculate the weight needing to add urea, sawdust, water and microbial inoculum.
Judge whether to need adjust ph, if pH is in 6 ~ 8 scopes, do not need to adjust, otherwise then need to adjust.
The warm water of microbial inoculum by 200 times of quality is dissolved, leaves standstill 30 ~ 45min after thalline activation, (use tap water if note, need to place 48h to remove residual chlorine, prevent it from suppressing microbic activity in microbial inoculum) for subsequent use.Simultaneously by soluble in water for the urea calculating weight, accelerate dissolution can be stirred.
Lay plastic cloth (indoor cement flooring does not then need) during outdoor compost on the ground, load weighted garbage rough compost is poured on plastic cloth.
According to the addition calculated, sawdust is inserted in garbage rough compost, turn over spade and remove evenly.Water-soluble urea watering can is sprayed in thick compost, continues to turn evenly.Finally microbial inoculum is dissolved in residue to need, in the water yield of adding, to be sprayed in thick compost with watering can, again turns to evenly.
Heap body is piled the truncated rectangular pyramids that base length and width are 1.5m height 1.0m.
Cover heap body with rainproof and insulation (room temp is more stable, does not need to cover plastic cloth) with plastic cloth, during compost, every 9d supplements microbial inoculum according to the amount of 0.02g/Kg, and every 3d carries out turning.
Secondary composting process will continue to monitor its temperature variation, and the general pliotherm period (more than 50 DEG C) continues 5 ~ 6d, is cooled to surrounding environment close, can thinks that secondary compost completes, general lasting about 36d.
Specific experiment adopts L
9(3
4) arrange, orthogonal test table is as follows:
Orthogonal test factor and water-glass
Test-results is as follows:
Excellent horizontal combination is initial C/N is 20, microbial inoculum, every 3d turning are added in not moisturizing, often 9d.
Beneficial effect:
Also do not propose to carry out secondary compost to the thick compost of domestic waste at present, the thick compost of batch production, generally after very of short duration one time fermentation, is stacked in the Secondary Fermentation slightly grown in fermentation vat, usually only takes air blast measure.For reality, the present invention carries out secondary compost to thick compost, and composting mode is flexible, and composting conditions is less demanding, and secondary compost maturity has greatly improved.Wooden broken last amendment wide material sources, cheap, draw materials conveniently, for of the present invention applying has established economic base.
Domestic waste secondary compost maturity method of the present invention, improve the rotten degree of thick compost preferably, remove the negative impact because garbage rough compost maturity brings not, substantially increase the possibility of its recycling, for the thick compost of a large amount of domestic waste have found outlet.There is the features such as the amount of drawing materials is large, with low cost, simple to operate, composting mode flexible, resources conservation.Meanwhile, secondary compost has certain nutritive substance, can improve the edaphic condition that abandoned mine is barren, reaches the object of improvement soil.
Embodiment
Below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention
Embodiment 1
A kind of secondary compost fertilizer, prepared by the thick compost of domestic waste, wooden broken end, urea, microbiobacterial agent, water, the thick compost of wherein said domestic waste is domestic waste product through a compost treatment in comprehensive garbage disposal factory; With initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent for 0.02g/kg is to calculate the consumption of wooden broken end, urea and microbiobacterial agent, wherein, ph is 6-8; Described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
Wherein, the thick compost of described domestic waste is domestic waste product through a compost treatment in comprehensive garbage disposal factory, the raw material of a compost is that municipal solid wastes comprises the recyclable rubbish such as paper, plastics, glass, metal, fabric, rubber, the toxic refuse such as refuse battery, useless mercurythermometer, Expired drug, waste oil paint can, the rubbishes from cooking such as leftovers leftovers, dish green tops and dirt, brick and tile, pottery etc., adopt the product that static aerobic fermentation technique obtains; Described sawdust is provided by one, Beijing Furniture Factory, is the wood chip wood powder mixture produced when machining sheet; Described urea, purchased from Gardening Materials articles for use shop, Beijing, is pure urea.The bacterium number of described microbial inoculum is 1 × 10
9individual/g, wherein has the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
Embodiment 2
A kind of secondary compost method, comprises the following steps:
1) carbon-nitrogen ratio of the thick compost of domestic waste, water content, weight and PH is measured;
2) with initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent calculates the amount of urea, wooden broken end, microbial inoculum for 0.02g/kg;
3) pH value to 6 ~ 8 are reconciled;
4) in garbage rough compost, insert described wooden broken end, turn evenly;
5) urea is sprayed in thick compost, turns evenly;
6) microbial inoculum is sprayed in thick compost, turns evenly;
7) growth 1 ~ 2 meter of body heap will be piled, wide 1 ~ 2 meter, the fertilizer heap of high 1 ~ 2 meter, turning in every 2 ~ 3 days is once;
8) within every 9 days, microbial inoculum is supplemented according to 0.02g/kg;
9) heap temperature maintains 50 DEG C ~ 70 DEG C, continues 5 ~ 6 days, and be automatically reduced to less than 40 DEG C when no longer heating up, secondary compost completes;
Wherein, described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
Further, the bacterium number of described microbiobacterial agent is 1 × 10
9individual/g, comprising the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
Embodiment 3
A kind of secondary compost method, embodiment comprises step:
Measure the carbon-nitrogen ratio of the thick compost of domestic waste, water content, weight and pH, for subsequent use after the carbon-nitrogen ratio of sawdust, urea;
Initial C/N according to 20, the initial water content of 65%, 0.02g/Kg microbial inoculum amount calculate the weight needing to add urea, sawdust, water and microbial inoculum.
Judge whether to need adjust ph, if pH is in 6 ~ 8 scopes, do not need to regulate, otherwise then need to regulate.
The warm water of microbial inoculum by 200 times of quality is dissolved, leaves standstill 30 ~ 45min after thalline activation, (use tap water if note, need to place 48h to remove residual chlorine, prevent it from suppressing microbic activity in microbial inoculum) for subsequent use.Simultaneously by soluble in water for the urea calculating weight, accelerate dissolution can be stirred.
Lay plastic cloth (indoor cement flooring does not then need) during outdoor compost on the ground, load weighted garbage rough compost is poured on plastic cloth.
According to the addition calculated, sawdust is inserted in garbage rough compost, turn evenly with spade.Water-soluble urea watering can is sprayed in thick compost, continues to turn evenly.Finally microbial inoculum is dissolved in residue to need, in the water yield of adding, to be sprayed in thick compost with watering can, again turns to evenly.
Heap body is piled the quadrangular frustum pyramid shaped that bottom side length is 1.5m height 1.0m.
With plastic cloth cover heap body with rainproof and insulation (room temp is more stable, do not need to cover plastic cloth), during compost, every 9d supplements microbial inoculum according to the amount of 0.02g/Kg, every 3d carries out turning, and (turning frequency is according to the design of heap body size, if heap body volume becomes large, turning frequency need uprise).
Secondary composting process will continue to monitor its temperature variation, and the general pliotherm period (more than 50 DEG C) continues 5 ~ 6d, is cooled to surrounding environment close, can thinks that secondary compost completes, general lasting about 36d.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (9)
1. a secondary compost fertilizer, prepared by the thick compost of domestic waste, wooden broken end, urea, microbiobacterial agent, water, the thick compost of wherein said domestic waste is domestic waste product through a compost treatment in comprehensive garbage disposal factory, and the product of a described compost treatment is the product of municipal solid wastes by static aerobic fermentation technique; It is characterized in that: with initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent for 0.02g/kg is to calculate the consumption of wooden broken end, urea and microbiobacterial agent, wherein, ph is 6-8; Described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
2. secondary compost fertilizer according to claim 1, is characterized in that, described wooden broken end comprises sawdust, wheat skin, wood chip.
3. secondary compost fertilizer according to claim 2, is characterized in that, the particle diameter at described wooden broken end is for being less than 2 centimetres.
4. secondary compost fertilizer according to claim 1, is characterized in that, the bacterium number of described microbiobacterial agent is 1 × 10
9individual/g, comprising the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
5. a secondary compost method: it is characterized in that comprising the following steps:
Measure the carbon-nitrogen ratio of the thick compost of domestic waste, water content, weight and PH;
With initial carbon-nitrogen ratio be 20, initial water content is 65%, microbiobacterial agent calculates the amount of urea, wooden broken end, microbial inoculum for 0.02g/kg;
Reconcile pH value to 6 ~ 8;
In garbage rough compost, insert described wooden broken end, turn evenly;
Urea is sprayed in thick compost, turns evenly;
Microbial inoculum is sprayed in thick compost, turns evenly;
The growth 1 ~ 2 meter of body heap will be piled, wide 1 ~ 2 meter, the fertilizer heap of high 1 ~ 2 meter, turning in every 2 ~ 3 days is once;
Within every 9 days, supplement microbial inoculum according to 0.02g/kg;
When heap temperature maintains 50 DEG C ~ 70 DEG C, continue 5 ~ 6 days, be automatically reduced to less than 40 DEG C when no longer heating up, secondary compost completes;
Wherein, described microbiobacterial agent is by producing amylase, proteolytic enzyme, and the bacterium of lipase and cellulase forms.
6. secondary compost method as claimed in claim 5, is characterized in that: the bacterium number of described microbiobacterial agent is 1 × 10
9individual/g, comprising the Bacillus subtilus of 50%, the liver moss bacterium of 20%, many Acarasiales of 10%, the aspergillus tubigensis of 10%, the Nocardia bacteria of 5%, the bacillus pumilus of 5%.
7. secondary compost method as claimed in claim 5, is characterized in that: described heap body is long 1.5 meters, and wide 1.5 meters, the truncated rectangular pyramids shape of high 1.0 meters, turning in every 3 days once.
8. secondary compost method according to claim 5, is characterized in that, described wooden broken end comprises sawdust, wheat skin, wood chip.
9. secondary compost method according to claim 5, is characterized in that, the particle diameter at described wooden broken end is for being less than 2 centimetres.
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| CN111729921A (en) * | 2020-07-03 | 2020-10-02 | 杭州洁洁环保科技有限公司 | Method and equipment for converting kitchen waste into fuel |
| CN113875499A (en) * | 2021-11-11 | 2022-01-04 | 河南小威环境科技有限公司 | Method for preparing edible fungus culture medium by utilizing wet garbage to perform rapid fermentation |
| CN114167907A (en) * | 2021-12-09 | 2022-03-11 | 上海岳塘环保工程有限公司 | Kitchen waste dehydration composting control method and system |
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Application publication date: 20151209 |