CN102910943B

CN102910943B - Method for preparing biological organic fertilizer by utilizing biodegradation of domestic wastes

Info

Publication number: CN102910943B
Application number: CN201210351280.1A
Authority: CN
Inventors: 唐清池
Original assignee: NINGGUO YISHENGLI AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: NINGGUO YISHENGLI AGRICULTURAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2012-09-20
Filing date: 2012-09-20
Publication date: 2014-06-04
Anticipated expiration: 2032-09-20
Also published as: CN102910943A

Abstract

The invention discloses a method for preparing biological organic fertilizer by utilizing biodegradation of domestic wastes, comprising the steps of: sufficiently mixing the domestic wastes with water content of 50-65% with Tianyuan biological fermenting agent according to a weight ratio of 1000: 1-3, then adding chicken manure, sufficiently blending according to the ratio, and placing in a fermenting tank for fermentation, wherein in the fermentation process, overturning operation is carried out; and finishing fermentation when the temperature is reduced to 30 DEG C from 60-70 DEG C, wherein the period is 35-45d. The method is designed according to the planting period of non-edible plants, and organic matters in the wastes are rapidly degraded by utilizing microorganisms. The nutrient release period is prolonged, and the waste utilization ratio is increased; and due to the addition of microorganism preparation, the disease resistance and resistance of the plants are improved, the root system development is promoted, the fertilizer absorption capacity of the plants is improved, the sealing of soil is reduced and the ecological environment of the soil is improved.

Description

A kind of method of utilizing biological degradation domestic refuse to prepare bio-organic fertilizer

Technical field

The invention belongs to biological organic fertilizer production technical field, particularly a kind of method of utilizing domestic refuse to prepare bio-organic fertilizer.

Background technology

For many years, the fertilizer using in gardens, greenery patches, afforestation process is taking fermentation animal excrement, stalk and municipal sludge as main; Its subject matter is: increase production cost; Waste limited agricultural resource; Fertilizer efficiency is slow and short; To Improvement of Ecological Environment rate variance.

In recent years, along with the construction of urban-rural integration, differentials between town and country are more and more less, the problem of domestic rubbish disposal is more and more urgent, recyclable (as metal except sorting out, plastics, glass, paper) 10%-20% and expendable garbage-compressing processing (15%-20%), also have nearly 60%-75% organic waste in need of immediate treatment, scientific practice shows, in domestic refuse, contain the required organic substance of plant-growth, N, the nutritive substances such as P, if but directly use these rubbish not only to cause environmental degradation, and miscellaneous bacteria in rubbish and plant contention nutrient, and make its infection and death, domestic refuse is taking landfill as main at present, so not only can take a large amount of land resources, and all can cause irreversible destruction to underground water and environment, domestic garbage resources is also greatly wasted.

Summary of the invention

The object of the invention is to overcome the defect of above-mentioned prior art, a kind of hazardous and noxious substances of degrading in rubbish is provided, reduces to have and fall ill, improve domestic refuse plant recovery of nutrient, increase nutrient and reduce fertiliser production cost deenergized period, utilize domestic refuse to produce the method for bio-feritlizer.

For achieving the above object, the technical solution adopted in the present invention is:

A kind of method of utilizing biological degradation domestic refuse to prepare bio-organic fertilizer, it is characterized in that, its processing step is: the domestic refuse that is 50%-65% by water ratio is fully mixed by the weight ratio of 1000:1-3 with starter after pulverizing, and then with the useless tank liquor of mud, chicken manure, alcohol, weathered coal and vermiculite 50-60% putting into fermentation vat after fully mixing and ferment by weight, fermenting process carries out overturning operation, temperature finishes fermentation while being down to 30 DEG C by 60-70 DEG C, the cycle is 35-45d; After having fermented, mix with subtilis, Bacillus licheniformis and Jingyang streptomycete 10-15% by weight, mixing is mixed rear granulation thoroughly and is obtained biological organic fertilizer.

The largest particle diameter that described domestic refuse is pulverized is less than 0.5 ㎝; In described overturning process, control bulk diameter of movement below 1.2 ㎝.

Described starter is the bio-fermentation agent by sky, Baoding element fertilizer Research Institute.

The weight percent of described mud, chicken manure, alcohol useless tank liquor, weathered coal and vermiculite is: mud 60-70%, chicken manure 10-20%, alcohol useless tank liquor 4-6%, weathered coal 4-6%, vermiculite 3-5%.

The weight percent of described subtilis, Bacillus licheniformis and the each bacterium liquid of Jingyang streptomycete is: subtilis 30-40%, Bacillus licheniformis 30-40%, Jingyang streptomycete 20-35%.

Biological organic fertilizer overall growth gesture of the present invention is higher than poultry poultry, stalk, municipal sludge fertilizer plantation plant 8-10% left and right, total plant-growth amount is higher than the 25-30% left and right of poultry poultry, stalk, municipal sludge fertilizer plantation plant, it is the matrix of as fertilizer sources that domestic refuse bio-organic fertilizer of the present invention utilizes domestic sludge, chicken manure, the useless tank liquor of alcohol can increase organic matter, improve the content of nitrogen phosphorus potassium simultaneously, and the effect of vermiculite be can chessom, keep moisture.Organic fertilizer of the present invention can reduce use fertilizer cost more than 60%, extends fertilizer nutrient and reaches 150% left and right deenergized period, and the bio-organic fertilizer that uses this technology to produce, can reduce the immense pressure that domestic refuse causes environment, protection habitat balance.

Specific embodiments

Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiment does not limit the scope of the invention.

Embodiment

(1) domestic refuse biological degradation and fermentation

First domestic refuse is pulverized to the particle that journey diameter is less than 0.5 ㎝, the domestic refuse that is 60% by water ratio is mixed by weight 1000:2.5 with Tianyuan board bio-fermentation agent, and then and mud, chicken manure, the alcohol tank liquor that gives up, weathered coal and vermiculite are put into fermentation vat after 60% abundant mixing by weight and are fermented, fermentation is fermented with booth type, winter can be according to weather condition covering and heat insulating quilt on canopy film, the operation of overturning once a day during the fermentation, the main purpose of overturning is to make aerobic bacteria fully contact oxygen, make its Fast-propagation, avoid causing anaerobic environment, being beneficial to rubbish fully becomes thoroughly decomposed and deodorizing, and reduce block, reduce material moisture, increase cell size between fermented product, be beneficial to mix with the auxiliary material that ferments.

Wherein, the weight percent of mud, chicken manure, alcohol useless tank liquor, weathered coal and vermiculite is: mud 70%, chicken manure 15%, the useless tank liquor 5% of alcohol, weathered coal 5%, vermiculite 5%.

Fermentation time and overturning number of times are to determine according to the temperature of physical environment: spring and summer total number of days in autumns 2,3,4,10,11 35 days, 45 days winters.After inoculation, turn over once every day, and when after 3 days, temperature rises to 60 DEG C, overturning every day 2 times, stops overturning when temperature is down to 30 DEG C after 7 to 10 days, piles to 2.5-3m is high and becomes thoroughly decomposed the stage for the second time, and the time is 15-25 days, fermentation ends fertilizer water content 25-30%.

(2) bacterium solution preparation

The required substratum of subtilis, Bacillus licheniformis and the each bacterium solution preparation of Jingyang streptomycete by weight percentage ratio meter is: starch 5%, soybean cake powder 7.5%, dipotassium hydrogen phosphate 0.2%, ammonium sulfate 0.005%, pH value modulation 7.2.Under aseptic condition, the nutrient solution in subtilis, Bacillus licheniformis and Jingyang streptomycete access bio-reactor, air flow is 0.8L ∕ Lmin, and stirring velocity 180rpm fills with and presses as 0.5kg/cm ², oxygen consumption is cultivated 48 hours, bacterium number>=2.0 × 10 of subtilis, Bacillus licheniformis and Jingyang streptomycete in the bacterium liquid obtaining ⁹cfu/ml.

(3) bacterium liquid is compound

Subtilis, Bacillus licheniformis and Jingyang streptomycete complex liquid weight percent are: subtilis 35%, Bacillus licheniformis 40%, Jingyang streptomycete 25%.

(4) finished product is composite

In the domestic refuse fermenting, add composite bacteria liquid, composite bacteria liquid accounts for 10% of gross weight, and mixing is mixed rear granulation thoroughly and obtained biological organic fertilizer.

Embodiment 2:

The biological organic fertilizer of embodiment 1 or gained of the present invention carries out following coating processing:

(1) biological organic fertilizer that, the present invention or embodiment 1 obtain is for subsequent use;

(2), take the sepiolite that is equivalent to biological organic fertilizer weight 8-10%, 10-15% salt acid soak 3-4 hour for sepiolite, deionized water wash, soak 3-4 hour with 10-12% sodium hydroxide solution again, extremely neutral with deionized water wash again, at 500-530 DEG C, calcine 4-5 hour, be ground into nanometer powder;

(3), sepiolite is put into 5-6 times of water gaging, then add the sodium laurylsulfate, the paregal O of 1-2%, the wintergreen oil of 4-5%, the 3-5% aluminium hydroxide that are equivalent to sepiolite weight 2-3%, high speed 1200-1500 rev/min of stirring, obtains dispersion liquid;

(4), dispersion liquid is sprayed at outside biological organic fertilizer particle to oven dry.

(5), can be again at the particle pyrethroid mixture of spraying again outward, then dry, also can not spray.

Claims

1. a bio-organic fertilizer that utilizes biological degradation domestic refuse to prepare, is characterized in that, its step of preparation process is:

The domestic refuse that is 50%-65% by water ratio is fully mixed by the weight ratio of 1000:1-3 with starter after pulverizing, and then after fully mixing with the useless tank liquor of mud, chicken manure, alcohol, weathered coal and vermiculite 50-60% by weight, put into fermentation vat and ferment, fermenting process carries out overturning operation, temperature finishes fermentation while being down to 30 DEG C by 60-70 DEG C, the cycle is 35-45d; After having fermented, mix with subtilis, Bacillus licheniformis and Jingyang streptomycete 10-15% by weight, mixing is mixed rear granulation thoroughly and is obtained biological organic fertilizer;

The weight percent of described mud, chicken manure, alcohol useless tank liquor, weathered coal and vermiculite is: mud 60-70%, chicken manure 10-20%, alcohol useless tank liquor 4-6%, weathered coal 4-6%, vermiculite 3-5%;

The weight percent of described subtilis, Bacillus licheniformis and the each bacterium liquid of Jingyang streptomycete is: subtilis 30-40%, Bacillus licheniformis 30-40%, Jingyang streptomycete 20-35%;

Take again the sepiolite that is equivalent to biological organic fertilizer weight 8-10%, 10-15% salt acid soak 3-4 hour for sepiolite, deionized water wash, soak 3-4 hour with 10-12% sodium hydroxide solution again, again with deionized water wash to neutral, calcine 4-5 hour at 500-530 DEG C, be ground into nanometer powder;

Then, sepiolite is put into 5-6 times of water gaging, then add the sodium laurylsulfate, the paregal O of 1-2%, the wintergreen oil of 4-5%, the 3-5% aluminium hydroxide that are equivalent to sepiolite weight 2-3%, high speed 1200-1500 rev/min of stirring, obtains dispersion liquid;

Finally, dispersion liquid is sprayed at outside biological organic fertilizer particle, dries; At the particle pyrethroid mixture of spraying again outward, then dry again.

2. the bio-organic fertilizer that utilizes biological degradation domestic refuse to prepare according to claim 1, is characterized in that, the largest particle diameter that described domestic refuse is pulverized is less than 0.5 ㎝; In described overturning process, control bulk diameter of movement below 1.2 ㎝.