CN103980011A - Method for preparing liquid biological organic fertilizer by utilizing domestic garbage - Google Patents

Method for preparing liquid biological organic fertilizer by utilizing domestic garbage Download PDF

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Publication number
CN103980011A
CN103980011A CN201410176879.5A CN201410176879A CN103980011A CN 103980011 A CN103980011 A CN 103980011A CN 201410176879 A CN201410176879 A CN 201410176879A CN 103980011 A CN103980011 A CN 103980011A
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China
Prior art keywords
liquid
fertilizer
raw material
stock liquid
organic
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CN201410176879.5A
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Inventor
黄敏
熊明飞
郑克力
赵荣权
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Institute Of Beibu Bay Guangxi Research Of Environmental Sciences
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Institute Of Beibu Bay Guangxi Research Of Environmental Sciences
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Priority to CN201410176879.5A priority Critical patent/CN103980011A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)

Abstract

A method for preparing a liquid biological organic fertilizer by utilizing domestic garbage particularly includes the steps: carrying out bag breaking and cleaning on the domestic garbage, then separating out organic matters, and mixing the organic matters with sewage discharged after cleaning the domestic garbage together to form a raw material liquid; putting a strain into the raw material liquid, and carrying out aerated fermentation; then transferring the raw material liquid to an anaerobic fermentation treatment system, and carrying out hydrolysis and an anaerobic methane-producing reaction; and finally leading the raw material liquid into an aerobic fermentation treatment system, again adding the strain, and carrying out aerated fermentation to produce the liquid biological organic fertilizer. The formed technical system is simple in structure, scientific and reasonable in design, and lower in cost, effectively improves the fertilizer efficiency of the product, besides, shortens the fertilizer preparation time, also effectively improves the fertilizer preparation efficiency, and provides better support for garbage resourceful treatment. Through the implementation of the method, the organic garbage is converted into the organic garbage liquid fertilizer which is harmless and odorless and is good in fertilizer efficiency and attractive in price and quality.

Description

A kind of method of utilizing domestic refuse to prepare liquid biological fertilizer
Technical field
The invention belongs to biological technical field, be specifically related to a kind of method of utilizing domestic refuse to prepare liquid biological fertilizer.
Background technology
Extensive gradually along with China's recycling municipal solid waste comprehensive treating process commercial application, realizes garbage as resource, innoxious, minimizing, has become the only way of domestic waste and agriculture wastes processing from now on.In recent years, the technique of carrying out compost taking rubbish as main raw material developed more and more rapidlyer especially, and in this technique, a most important link is that the organism in domestic refuse is rotted, thereby realized the rapid conversion of garbage organism to fertilizer base-material.
At present, in prior art, rubbish is become to fertilizer and mainly rely on the microorganisms such as the extensive bacterium distributing of nature, actinomycetes, fungi, under manual control condition, ferment, allow degradable organic matter in rubbish under microbial process, be converted into stable soil ulmin, become organic matter raw material, then add some inorganics raw materials and become refuse fertilizer.Then make waste resources optimize again utilization, turn waste into wealth.But the technical process embodying in prior art has following shortcoming:
(1) organic matter raw material composting fermentation process was for up to 20 days to 30 days, and because the production cycle is long, the nursing cost of generation is high;
(2) because organic matter raw material water content is up to 80~85%, and fermenting process must make the water content of raw material be controlled at 55~60% between side play good ferment effect, therefore need to add other solid substances in organic matter raw material, consequent fertilizer product is not that high cost is exactly that fertilizer efficiency is not high;
(3) organic matter raw material is solid-state shape, needs the work efficiency such as batch mixing, heap turn over, oven dry in preparation becomes the process of fertilizer, and its technical process is not only complicated but also loaded down with trivial details, and labour intensity is high.
Summary of the invention
Object of the present invention be exactly overcome prior art exist deficiency and a kind of brand-new method of utilizing domestic refuse to prepare liquid biological fertilizer is provided.Specifically comprise: domestic refuse, through broken bag, cleaning, is then isolated to organism, and the sewage that organism and cleaning domestic refuse are discharged later mixes and becomes stock liquid; Bacterial classification is put into and in stock liquid, carried out aerated fermentation, again stock liquid is gone to anaerobically fermenting is hydrolyzed and anaerobism is produced methane reaction, finally again stock liquid is drawn and flow into aerobic fermentation treatment system, and again add bacterial classification aerated fermentation generation liquid biological fertilizer.Technical architecture that the present invention forms is simple, design science rationally, cost is lower, effectively improve product fertilizer efficiency, shortened the composting time simultaneously, and effectively improved composting efficiency, for garbage as resource processing provides better support.By implementing the present invention, organic waste is converted into harmless, odorless, a kind of organic refuse liquid state fertilizer that fertilizer efficiency is good, inexpensive.
Described bacterial classification is the great source of students board microorganism fermenting agent that Guangxi letter source of students Environmental Protection Technology Co., Ltd produces, this bacterial classification contains the effective active microorganisms such as subtilis, Bacillus licheniformis, Paenibacillus polymyxa, aspergillus niger, aspergillus oryzae, photosynthetic bacteria, living bacteria count >=0.50 hundred million/g.This bacterial classification has obtained the formal registration card of People's Republic of China's fertilizer that the national Ministry of Agriculture issues, registration card number: the accurate word of microorganism fertilizer (2006) (0304) number.This bacterial classification is rich in the microorganism species of decomposition of cellulose, hemicellulose, xylogen and other organic substances, the organic wastes such as energy quick composting crop material, make the element such as organic matter and phosphorus, potassium contained in stalk become the required nutrition of crop, and produce a large amount of probioticss, and suppress harmful bacteria, reduce the generation of disease, improve the soil organism, strengthen crop anti-adversity, reduce fertilizer application amount, improve crop quality.
The present invention is achieved through the following technical solutions:
1, utilizing domestic refuse to prepare a method for liquid biological fertilizer, is to utilize domestic refuse for raw material, taking biological inoculum as bacterium source in technical scheme, and domestic refuse is also fermented and become organic liquid fertilizer after treatment.
Specifically comprise the steps:
(1) refuse treatment: domestic refuse, through broken bag, cleaning, is then isolated to organism;
(2) raw material composition and proportioning: clean the sewage 75~80% of domestic refuse discharge later, the organic substance 20~25% of separating, two kinds of raw materials are mixed and become stock liquid;
(3) fermentation: drop into 1%~2% bacterial classification and mix and stir according to the weight ratio of stock liquid, then be to carry out aerated fermentation under 20~25 ° of conditions in temperature, larger molecular organics is decomposed into small organic molecule through microorganism and enzyme effect and is dissolved in stock liquid, ferments to concentration of raw material and reaches COD5000mg/L;
(4) stock liquid processing: stock liquid is gone to anaerobically fermenting treatment system, be hydrolyzed and anaerobism product methane reaction, remove most of organism;
(5) finished product: stock liquid produces methane reaction and removes after most of organism through anaerobic system hydrolysis and anaerobism, stock liquid is drawn and flow into aerobic fermentation treatment system, drop into 1%~2% bacterial classification according to the weight ratio of stock liquid, aeration generates liquid biological fertilizer again.
2, described bacterial classification is the great source of students board microorganism fermenting agent that Guangxi letter source of students Environmental Protection Technology Co., Ltd produces.
Tool of the present invention has the following advantages:
1, next its production technique structure of liquid biological fertilizer proposed by the invention is not only novel, and technique is simple, easily implements.
2, by implementing the present invention, by domestic refuse process broken bag, cleaning, then the organic impurities of separating is few, organic content is high, and sewage rich in proteins and organism that cleaning domestic refuse is discharged later, the two is combined as the raw materials for production of the liquid fertilizer of preparation, organic waste is converted into harmless, odorless, a kind of organic refuse liquid state fertilizer that fertilizer efficiency is good, inexpensive.
3, traditional not only complexity but also loaded down with trivial details that has garbage compost technique, labour intensity simultaneously, at the bottom of the fertilizer efficiency of generation.By implementing the present invention, overcome the drawback of prior art, liquid fertilizer preparation time is short, and technical process is simple, refuse treatment efficiency is high, and the liquid fertilizer fertilizer efficiency preparing is good.
4, by implementing the present invention, the finished product that produce are liquid biological fertilizer, realize the effective utilization to domestic garbage resources, do not produce secondary pollution.
5, by implement the present invention, the first protective embankment recoverable producing in fermenting raw materials process.
6, the present invention forms technical architecture is simple, design science rationally, cost is lower etc., for garbage as resource processing provides better support.
Embodiment
Now the present invention will be described in detail in conjunction with the embodiments.
Utilize domestic refuse to prepare a method for liquid biological fertilizer, embodiment is as follows:
Embodiment 1:
1, gather bacterial classification: gathering the great source of students board microorganism fermenting agent of being produced by Guangxi letter source of students Environmental Protection Technology Co., Ltd is bacterial classification, and bacterial classification is expanded and becomes the bacterial classification stoste that viable count is no less than 100,000,000/milliliter, and bacterial classification stoste pH is not less than 6.5, color is translucent tawny liquid, and smell is compared with concentrated acid taste.
2, liquid biological preparation method of organic fertilizer is as follows:
(1) refuse treatment: domestic refuse, through broken bag, cleaning, is then isolated to organism;
(2) raw material composition and proportioning: clean the sewage 75% of domestic refuse discharge later, the organic substance 25% of separating, two kinds of raw materials are mixed and become stock liquid;
(3) fermentation: drop into 2% bacterial classification and mix and stir according to the weight ratio of stock liquid, then be to carry out aerated fermentation under 20~25 ° of conditions in temperature, larger molecular organics is decomposed into small organic molecule through microorganism and enzyme effect and is dissolved in stock liquid, ferments to concentration of raw material and reaches COD5000mg/L;
(4) stock liquid processing: stock liquid is gone to anaerobically fermenting treatment system, be hydrolyzed and anaerobism product methane reaction, remove most of organism;
(5) finished product: stock liquid produces methane reaction and removes after most of organism through anaerobic system hydrolysis and anaerobism, stock liquid is drawn and flow into aerobic fermentation treatment system, drop into 1%~2% bacterial classification according to the weight ratio of stock liquid, aeration generates liquid biological fertilizer again.
3, prepared liquid biological fertilizer meets the standard of " biological organic fertilizer " NY8842012.
Embodiment 2:
Utilize domestic refuse to prepare a method for liquid biological fertilizer, embodiment is as follows:
1, gather bacterial classification: gathering the great source of students board microorganism fermenting agent of being produced by Guangxi letter source of students Environmental Protection Technology Co., Ltd is bacterial classification, and bacterial classification is expanded and becomes the bacterial classification stoste that viable count is no less than 100,000,000/milliliter, and bacterial classification stoste pH is not less than 6.5, color is translucent tawny liquid, and smell is compared with concentrated acid taste.
2, liquid biological preparation method of organic fertilizer is as follows:
(1) refuse treatment: domestic refuse, through broken bag, cleaning, is then isolated to organism;
(2) raw material composition and proportioning: clean the sewage 80% of domestic refuse discharge later, the organic substance 20% of separating, two kinds of raw materials are mixed and become stock liquid;
(3) fermentation: drop into 1% bacterial classification and mix and stir according to the weight ratio of stock liquid, then be to carry out aerated fermentation under 20~25 ° of conditions in temperature, larger molecular organics is decomposed into small organic molecule through microorganism and enzyme effect and is dissolved in stock liquid, ferments to concentration of raw material and reaches COD5000mg/L;
(4) stock liquid processing: stock liquid is gone to anaerobically fermenting treatment system, be hydrolyzed and anaerobism product methane reaction, remove most of organism;
(5) finished product: stock liquid produces methane reaction and removes after most of organism through anaerobic system hydrolysis and anaerobism, stock liquid is drawn and flow into aerobic fermentation treatment system, drop into 1%~2% bacterial classification according to the weight ratio of stock liquid, aeration generates liquid biological fertilizer again.
3, prepared liquid biological fertilizer meets the standard of " biological organic fertilizer " NY8842012.

Claims (2)

1. utilize domestic refuse to prepare a method for liquid biological fertilizer, it is characterized in that: utilize domestic refuse for raw material, taking biological inoculum as bacterium source, domestic refuse is also fermented and become organic liquid fertilizer after treatment;
Specifically comprise the steps:
(1) refuse treatment: domestic refuse, through broken bag, cleaning, is then isolated to organism;
(2) raw material composition and proportioning: clean the sewage 75~80% of domestic refuse discharge later, the organic substance 20~25% of separating, two kinds of raw materials are mixed and become stock liquid;
(3) fermentation: drop into 1%~2% bacterial classification and mix and stir according to the weight ratio of stock liquid, then be to carry out aerated fermentation under 20~25 ° of conditions in temperature, larger molecular organics is decomposed into small organic molecule through microorganism and enzyme effect and is dissolved in stock liquid, ferments to concentration of raw material and reaches COD5000mg/L;
(4) stock liquid processing: stock liquid is gone to anaerobically fermenting treatment system, be hydrolyzed and anaerobism product methane reaction, remove most of organism;
(5) finished product: stock liquid produces methane reaction and removes after most of organism through anaerobic system hydrolysis and anaerobism, stock liquid is drawn and flow into aerobic fermentation treatment system, drop into 1%~2% bacterial classification according to the weight ratio of stock liquid, aerated fermentation generates liquid biological fertilizer again.
2. according to a kind of method of utilizing domestic refuse to prepare liquid biological fertilizer described in claim 1, it is characterized in that: described bacterial classification is the great source of students board microorganism fermenting agent that Guangxi letter source of students Environmental Protection Technology Co., Ltd produces.
CN201410176879.5A 2014-04-29 2014-04-29 Method for preparing liquid biological organic fertilizer by utilizing domestic garbage Pending CN103980011A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105110831A (en) * 2015-08-05 2015-12-02 广州英昊环境科技有限公司 Method for preparing multifunctional compounded liquid fertilizer by using kitchen waste garbage waste liquid
CN105493939A (en) * 2016-02-04 2016-04-20 湘潭市科达丽实业有限公司 Environment-friendly organic planting facility
CN108707039A (en) * 2018-08-21 2018-10-26 华东建工集团有限公司 It is a kind of to utilize residents in rural community fermenting organism organic liquid fertilizer and its method
CN109467460A (en) * 2018-11-16 2019-03-15 四川锐源能环科技有限公司 A kind of agriculture and food and drink waste resource recovery processing method
CN111777445A (en) * 2020-05-24 2020-10-16 张小平 Method for preparing liquid organic fertilizer by biological fermentation of domestic organic wet garbage

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105110831A (en) * 2015-08-05 2015-12-02 广州英昊环境科技有限公司 Method for preparing multifunctional compounded liquid fertilizer by using kitchen waste garbage waste liquid
CN105493939A (en) * 2016-02-04 2016-04-20 湘潭市科达丽实业有限公司 Environment-friendly organic planting facility
CN105493939B (en) * 2016-02-04 2018-09-21 湘潭市科达丽实业有限公司 A kind of organic planting facility
CN108707039A (en) * 2018-08-21 2018-10-26 华东建工集团有限公司 It is a kind of to utilize residents in rural community fermenting organism organic liquid fertilizer and its method
CN109467460A (en) * 2018-11-16 2019-03-15 四川锐源能环科技有限公司 A kind of agriculture and food and drink waste resource recovery processing method
CN111777445A (en) * 2020-05-24 2020-10-16 张小平 Method for preparing liquid organic fertilizer by biological fermentation of domestic organic wet garbage

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Application publication date: 20140813