阅读说明：本技术 一种木薯与污泥异位复合用地龙堆肥方法 (Ectopic composite earthworm composting method for cassava and sludge ) 是由 孔作万 叶世豪 黄挺 薛红 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种木薯与污泥异位复合用地龙堆肥方法,包括以下步骤：S1、利用木薯渣与污泥混合堆沤,自然发酵后作为蚯蚓养殖饵料,通过蚯蚓与微生物的协同处理,促使有机物分解转化为其它小分子物质或无机物；S2、在堆肥的过程中,各种有机物质在酶的催化作用下,转化成如二氧化碳和氨气、水、无机物、较小分子有机化合物；S3、在堆肥过程中温度较高,杀死污泥中原有的寄生虫卵和病原菌有害微生物或使其失活,并且提供大量丰富的营养物质和各类必需元素,有益微生物菌群可以大量繁殖。本发明利用木薯污泥单独作为基料来养殖蚯蚓,具有材料廉价、易得、大宗且本地化等特点,同时有效解决了木薯污泥带来的二次污染,保护了环境,实现变废为宝目的。(The invention discloses a method for heterotopic compound earthworm composting of cassava and sludge, which comprises the following steps: s1, mixing cassava residue and sludge, composting, naturally fermenting, using the mixture as earthworm breeding bait, and promoting the decomposition of organic matters to be converted into other small molecular substances or inorganic matters through the synergistic treatment of earthworms and microorganisms; s2, in the composting process, various organic substances are converted into organic compounds such as carbon dioxide, ammonia gas, water, inorganic substances and smaller molecules under the catalytic action of enzyme; s3, the temperature is higher in the composting process, the original parasitic ova and pathogenic bacteria harmful microorganisms in the sludge are killed or inactivated, a large amount of rich nutrient substances and various essential elements are provided, and the beneficial microbial flora can be propagated in a large amount. The method utilizes the cassava sludge as the base material to breed the earthworms, has the characteristics of cheap, easily obtained, large and localized materials and the like, effectively solves the secondary pollution caused by the cassava sludge, protects the environment and realizes the purpose of changing waste into valuables.)

1. A earthworm composting method for ectopically compounding cassava and sludge is characterized by comprising the following steps:

s1, mixing cassava residues and sludge, composting, naturally fermenting, using the mixture as earthworm breeding bait, and promoting the decomposition of organic matters to be converted into other small molecular substances or inorganic matters through the synergistic treatment of earthworms and microorganisms, namely utilizing the action of various microorganism populations to finally form humus and achieve the stabilization process;

s2, in the composting process, various organic substances are converted into humus such as carbon dioxide, ammonia gas, water, inorganic substances and smaller molecular organic compounds under the catalytic action of enzymes, and the soil fertility can be increased;

s3, the temperature is high in the composting process, the original parasitic ova and pathogenic bacteria harmful microorganisms in the sludge are killed or inactivated, abundant nutrient substances and various essential elements are provided, and beneficial microbial flora can be propagated in a large amount; the earthworms eat organic matters in the sludge, and are discharged by earthworm casts after digestion and degradation, so that the nutrients in the sludge can be enhanced, organic substances in the sludge can be reasonably decomposed, and the content of nutrients in the sludge such as N, P, K can be increased.

Technical Field

The invention relates to the technical field of sludge treatment, in particular to a method for heterotopic compound earthworm composting of cassava and sludge.

Background

The soil/sewage pollutants are of various types and analyzed according to properties: mainly divided into chemical pollutants/physical pollutants/biological pollutants/radioactive pollutants, inorganic pollutants and organic pollutants, heavy metals such as mercury, cadmium, lead and arsenic, excessive nitrogen/phosphorus plant nutrient elements, oxides, sulfides, fluorides and the like; relates to various chemical pesticides, agricultural films, packages, herbicides, detergents, petroleum and cracking products thereof, phenols and the like, including organic synthetic products, pollutants in the life industry and mining industry and the like. The prior art sludge treatment method comprises the following steps:

1. the thermodynamics restoration technology is used for restoring the polluted soil by utilizing heat conduction, a heat well or a heat wall, or heat radiation and radio wave heating;

2. the thermal desorption repair technology is to heat the soil to a boiling point above so as to volatilize the organic matters in the adsorbed soil into a gaseous state and then separate the gaseous state;

3. the burning method, burning the waste in a furnace to decompose the macromolecular harmful substances into low molecules/make the gas reach the emission standard after dedusting smoke, cooling and purifying;

4. the land landfill method is characterized in that the waste is added with lime and other modes to adjust the nutrition of the soil and keep pollutants to be slowly degraded in the soil;

5. chemical leaching, namely pushing leacheate to inject into a polluted soil layer through water pressure under the action of gravity by using a biochemical solvent, and performing separation and sewage treatment.

6. The composting method, the traditional method, mixes organic matters and excrement, and the like, and degrades the organic pollutants which are difficult to degrade in the soil by the action of microorganisms in the composting process.

7. The phytoremediation improves the vegetation landscape of the soil by directly absorbing the preferable plants and the root microorganisms thereof to degrade pollutants and restore the natural ecological environment of the soil.

8. The water permeating reaction wall is used for in-situ treatment to form a permeating wall body between shallow soil and underground water, and pollutants react with materials in the wall body to generate physical purification.

9. The bioremediation uses microorganisms to catalyze and degrade organic pollutants, repairs polluted environments or eliminates pollutants in the environments, and uses gene engineering bacteria of indigenous bacteria and external bacteria to convert and degrade pollutant co-metabolism matrixes, so that the organic pollutants and the microorganisms in the soil are degraded in an enhanced manner, and the aims of treatment and repair are fulfilled. According to the invention, earthworms (also called earthworms) are used for naturally and dynamically catalyzing and absorbing the sewage containing parasites/pathogenic bacteria and viruses/intestinal bacteria/bacillus anthracis intestine/bacillus bonder and the like, so that the deep natural optimization co-metabolism of earthworm groups is converted into the organic Lukang fertile king, thereby achieving the benefits of treating and restoring the natural ecological environment of the sewage, having no secondary pollution, low cost and high efficiency.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a earthworm composting method for ectopically compounding cassava and sludge.

In order to achieve the purpose, the invention adopts the following technical scheme:

a earthworm composting method for ectopically compounding cassava and sludge comprises the following steps:

s1, mixing cassava residues and sludge, composting, naturally fermenting, using the mixture as earthworm breeding bait, and promoting the decomposition of organic matters to be converted into other small molecular substances or inorganic matters through the synergistic treatment of earthworms and microorganisms, namely utilizing the action of various microorganism populations to finally form humus and achieve the stabilization process;

s2, in the composting process, various organic substances are converted into humus such as carbon dioxide, ammonia gas, water, inorganic substances and smaller molecular organic compounds under the catalytic action of enzymes, and the soil fertility can be increased;

s3, the temperature is high in the composting process, the original parasitic ova and pathogenic bacteria harmful microorganisms in the sludge are killed or inactivated, abundant nutrient substances and various essential elements are provided, and beneficial microbial flora can be propagated in a large amount; the earthworms eat organic matters in the sludge, and are discharged by earthworm casts after digestion and degradation, so that the nutrients in the sludge can be enhanced, organic substances in the sludge can be reasonably decomposed, and the content of nutrients in the sludge such as N, P, K can be increased.

The method utilizes the cassava sludge as the base material to breed the earthworms, has the characteristics of cheap, easily obtained, large and localized materials and the like, effectively solves the secondary pollution caused by the cassava sludge, protects the environment and realizes the purpose of changing waste into valuables; the earthworm compost product, namely the sludge earthworm cast, is rich in nutrient substances such as nitrogen, phosphorus and potassium which can be utilized by plants, contains a large amount of agricultural probiotic groups, and is a high-efficiency biological organic fertilizer; the earthworms can assimilate and fix the heavy metals in the compost products through own metabolic activities, and meanwhile, the excrement of the earthworms (earthworm feces) has better activation effect on the physicochemical property and the soil ecosystem.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

The invention provides a earthworm composting method for ectopically compounding cassava and sludge, which comprises the following steps:

s1, mixing cassava residues and sludge, composting, naturally fermenting, using the mixture as earthworm breeding bait, and promoting the decomposition of organic matters to be converted into other small molecular substances or inorganic matters through the synergistic treatment of earthworms and microorganisms, namely utilizing the action of various microorganism populations to finally form humus and achieve the stabilization process;

s2, in the composting process, various organic substances are converted into humus such as carbon dioxide, ammonia gas, water, inorganic substances and smaller molecular organic compounds under the catalytic action of enzymes, and the soil fertility can be increased;

s3, the temperature is high in the composting process, the original parasitic ova and pathogenic bacteria harmful microorganisms in the sludge are killed or inactivated, abundant nutrient substances and various essential elements are provided, and beneficial microbial flora can be propagated in a large amount; the earthworms eat organic matters in the sludge, and are discharged by earthworm casts after digestion and degradation, so that the nutrients in the sludge can be enhanced, organic substances in the sludge can be reasonably decomposed, and the content of nutrients in the sludge such as N, P, K can be increased.

The method utilizes the cassava residues and the sludge to be mixed, stacked and retted and used as earthworm breeding bait after natural fermentation, and the earthworms and the microorganisms carry out cooperative biodegradation on organic substances, so that the organic wastes are quickly and efficiently converted into products with nutritive values for plants and soil. The invention utilizes the cooperative treatment of the earthworms and the microorganisms, namely utilizes the action of various microorganism populations to promote the decomposition and the conversion of organic matters into other micromolecular substances or inorganic matters. Various organic substances are converted into certain gases such as carbon dioxide and ammonia gas, water, inorganic substances, smaller molecular organic compounds and humus for increasing soil fertility by utilizing a mixed composting method under the catalytic action of enzymes. The chemicals can be directly or indirectly absorbed and utilized by farmland plants, and after the chemicals are applied to farmland lands, microorganisms in soil can deeply and gradually absorb and metabolize the substances for self cell tissues or be absorbed and utilized by plants. Organic substances in the sludge are reasonably decomposed by utilizing the digestion and degradation effects of the earthworms, the content of nutrients in the sludge such as N, P, K is increased, the effectiveness of heavy metals is effectively reduced, and a high-efficiency organic fertilizer product is formed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.