CN102092912B - Method for disposing sludge generated in sewage treatment plant by using earthworms - Google Patents
Method for disposing sludge generated in sewage treatment plant by using earthworms Download PDFInfo
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- CN102092912B CN102092912B CN2010105814309A CN201010581430A CN102092912B CN 102092912 B CN102092912 B CN 102092912B CN 2010105814309 A CN2010105814309 A CN 2010105814309A CN 201010581430 A CN201010581430 A CN 201010581430A CN 102092912 B CN102092912 B CN 102092912B
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- mud
- earthworm
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- wormcast
- earthworms
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Abstract
The invention provides a method for disposing sludge generated in a sewage treatment plant by using earthworms. The method comprises the following steps: finishing the sludge into a sludge basement layer material bed ridge for culturing earthworms; putting a layer of additives on the surface of the sludge basement layer material bed ridge; putting the earthworms in the additives; covering a layer of herbaceous and woody plant waste materials on the additives with the earthworms so as to form an earthworm-edible stacking layer consisting of the sludge, the additives and the herbaceous and woody plant waste materials; treating the herbaceous and woody plant waste materials by using the earthworms so that the herbaceous and woody plant waste materials are converted into wormcast; after separating the earthworms from the wormcast, recycling the earthworms; and putting the wormcast in a sun shed for drying. In the invention, the earthworm is utilized to treat the sludge so as not to generate secondary pollution, thus the method has obvious economic benefits; and the wormcast can be used as a base material for producing an organic fertilizer and used for forest product production or as a garden fertilizer after the sludge is converted into the wormcast.
Description
Technical field
The present invention relates to the method for disposal of the mud of municipal sewage plant's generation, a kind of specifically earthworm is disposed the method for the mud of municipal sewage plant's generation.
Background technology
The mud that global urban sewage work produces has become a global problem.Now, China is also building a large amount of municipal sewage plants, and along with a large amount of mud of sewage work's output, extremely hard to manage because mud contains various pollutents and heavy metal, can cause second environmental pollution.And the technical scheme of sludge treatment and disposal also is not very perfect at present, does not set up industry standard, and various places government has to drop into a large amount of man power and materials, carries out sludge treatment and disposal.
At present, the processing of mud and method of disposal mainly contain following four kinds:
1, landfill though this method is with low cost, can cause great pollution to peripheral ecotope and underground water source, is forbidden by law.
2, burn, because the Dioxins that in burning process, produces is very easily revealed from burning facility, Dioxins is a kind of very easily carcinogens, and is very big to the healthy effect of human body, and, need high equipment input and routine maintenance expense.For example, the city of one 1,500,000 population, the municipal sludge amount of every day is approximately 300 tons, and the equipment input of incineration plant is up to 300,000,000 yuan, mud per ton also needs about 300 yuan processing cost.
3, mummification conversion, this method equally also need high equipment input and routine maintenance expense.For example, the city of one 1,500,000 population, the municipal sludge amount of every day is approximately 300 tons, and the equipment input of drying and other treatment factory is about 100,000,000 yuan, about 200 yuan of the processing cost of mud per ton.And a large amount of mud needs air storage, and the stench that mud distributes can have a strong impact on the ecotope of surrounding area.
4, compost; This kind mode is relatively stricter to the standard-required of mud; Usually need to handle through several operation; The large-scale mud yard of needs construction, and this method equally is for the municipal sludge that contains various pollutent and heavy metal, and its effect often can't reach the environmental requirement of country.
Summary of the invention
To the deficiency and the defective of above prior art, the object of the present invention is to provide a kind of earthworm to dispose the method for the mud of municipal sewage plant's generation.
The objective of the invention is through adopting following technical scheme to realize:
A kind of earthworm is disposed the method for the mud of municipal sewage plant's generation, may further comprise the steps:
The first step: mud is transported to the vermiculture field, with the mud basic unit material bed ridge of mud arrangement for breeding earthworm;
Second step: on the face on above-mentioned mud basic unit material bed ridge, put into one deck additive;
The 3rd step:, earthworm is put into this additive by 10000～20000 every square metre quantity;
The 4th step: on the additive of throwing in earthworm, cover this plant waste of one deck vegetation material; The edible stack layer of earthworm that formation is made up of mud, additive, this plant waste of vegetation material three; And the temperature of this stack layer is controlled between 5～30 ℃; Humidity is controlled between 60～70%, through 3～20 days processing mud, additive and this plant waste of vegetation material is converted into wormcast;
The 5th step: earthworm and wormcast are carried out separating treatment, and earthworm recycles, and wormcast is put into sun canopy and carried out drying, and its moisture content is dried to 30～50%.
As optimal technical scheme of the present invention, said mud, additive, the triangular input ratio of this plant waste of vegetation material are respectively 60～70%, 20～30%, 10%.
As optimal technical scheme of the present invention, said additive is the wherein a kind of of cow dung, pig manure, beer mud, mushroom residue or several mixture.
As optimal technical scheme of the present invention, said this plant waste of vegetation material is banana leaf or weeds.
As optimal technical scheme of the present invention, the length of said stack layer is 30～100m, and width is 0.8～1.2m, and thickness is 0.3～0.5m.
Compared with prior art, the present invention has the following advantages:
1, mud can not produce secondary pollution through the earthworm digestion process.
2, earthworm disposing sludge and other method relatively have remarkable economic efficiency.For example, the city of one 1,500,000 population, the municipal sludge amount of every day is approximately 300 tons, about 1,000,000 yuan of the input of other instruments such as vermiculture field, transportation equipment, equipment maintenance cost is extremely low.
3, after mud is converted into wormcast, can be used as the base-material of producing fertilizer, be used for Forest products production or gardens and use fertilizer.
Embodiment
Earthworm is disposed the method for the mud of municipal sewage plant's generation, may further comprise the steps:
The first step: adopt artificial or mechanical mode, mud is transported to the edge of a field of vermiculture field, with the mud basic unit material bed ridge of mud arrangement for breeding earthworm.
Second step: on the face on above-mentioned mud basic unit material bed ridge, put into one deck additive, this additive can be the mixture of wherein a kind of or several arbitrary proportions of cow dung, pig manure, beer mud, mushroom residue.
The 3rd step:, earthworm is put into this additive by 10000～20000 every square metre quantity;
The 4th step: because earthworm likes living in the environment of darkness, humidity, also need on the additive of throwing in earthworm, to cover this plant waste of one deck vegetation material, this this plant waste of vegetation material can use higher banana leaf of content of cellulose or weeds.
Formed the edible stack layer of earthworm that is superposeed successively and formed by mud, additive, this plant waste of vegetation material three thus, mud, additive, the triangular input ratio of this plant waste of vegetation material are respectively 60～70%, 20～30%, 10% in this stack layer.
Through 3～20 days; Mud and additive are handled by the earthworm direct digestion fast and are converted into wormcast, and simultaneously, this plant waste of vegetation material also can be by the earthworm digestion process after rotting; In this process; The temperature of this stack layer need be controlled between 5～30 ℃, and humidity is controlled between 60～70%, is beneficial to growth and the feed of earthworm.If in fine exsiccant period, can execute the humidity of water management stack layer through manual work.Simultaneously, for the ease of the temperature and humidity of control stack layer, the length of this stack layer is 30～100m, and width is 0.8～1.2m, and thickness is 0.3～0.5m.
The 5th step: after mud, additive, this plant waste of vegetation material are converted into wormcast fully; Earthworm and wormcast are carried out separating treatment; The fresh and alive earthworm of results can be recycled; Wormcast is put into sun canopy and is carried out drying, and its moisture content is dried to 30～50%, as the base-material of producing organic fertilizer.
The above is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention; Every according to equivalence variation and modification that the present invention did, all covered by the scope of claims of the present invention.
Claims (5)
1. the method for the mud of earthworm disposal municipal sewage plant's generation is characterized in that, may further comprise the steps:
The first step: mud is transported to the vermiculture field, with the mud basic unit material bed ridge of mud arrangement for breeding earthworm;
Second step: on the face on above-mentioned mud basic unit material bed ridge, put into one deck additive;
The 3rd step:, earthworm is put into this additive by 10000～20000 every square metre quantity;
The 4th step: on the additive of throwing in earthworm, cover this plant waste of one deck vegetation material; The edible stack layer of earthworm that formation is made up of mud, additive, this plant waste of vegetation material three; And the temperature of this stack layer is controlled between 5～30 ℃; Humidity is controlled between 60～70%, through 3～20 days processing mud, additive and this plant waste of vegetation material is converted into wormcast;
The 5th step: earthworm and wormcast are carried out separating treatment, and earthworm recycles, and wormcast is put into sun canopy and carried out drying, and its moisture content is dried to 30～50%.
2. earthworm according to claim 1 is disposed the method for the mud of municipal sewage plant's generation, and it is characterized in that: said mud, additive, the triangular input ratio of this plant waste of vegetation material are respectively 60～70%, 20～30%, 10%.
3. earthworm according to claim 1 and 2 is disposed the method for the mud that the municipal sewage plant produces, and it is characterized in that: said additive is the wherein a kind of of cow dung, pig manure, beer mud, mushroom residue or several mixture.
4. earthworm according to claim 1 and 2 is disposed the method for the mud of municipal sewage plant's generation, and it is characterized in that: said this plant waste of vegetation material is banana leaf or weeds.
5. earthworm according to claim 1 is disposed the method for the mud of municipal sewage plant's generation, and it is characterized in that: the length of said stack layer is 30～100m, and width is 0.8～1.2m, and thickness is 0.3～0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105814309A CN102092912B (en) | 2010-12-10 | 2010-12-10 | Method for disposing sludge generated in sewage treatment plant by using earthworms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105814309A CN102092912B (en) | 2010-12-10 | 2010-12-10 | Method for disposing sludge generated in sewage treatment plant by using earthworms |
Publications (2)
| Publication Number | Publication Date |
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| CN102092912A CN102092912A (en) | 2011-06-15 |
| CN102092912B true CN102092912B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105814309A Expired - Fee Related CN102092912B (en) | 2010-12-10 | 2010-12-10 | Method for disposing sludge generated in sewage treatment plant by using earthworms |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070140A (en) * | 2013-02-24 | 2013-05-01 | 桂林理工大学 | Breeding bed for earthworm |
| CN103988725B (en) * | 2014-05-27 | 2016-06-29 | 四川农业大学 | Municipal sludge is utilized to prepare flame nettle cultivation matrix and flame nettle cultural method |
| CN104556600A (en) * | 2014-12-18 | 2015-04-29 | 唐华烨 | Systematic method for treating livestock/poultry manure and domestic sludge |
| CN105985000A (en) * | 2015-02-04 | 2016-10-05 | 泰州市春光生态农业发展有限公司 | Method for industrialized treatment of livestock and poultry manure and domestic sludge by using earthworms |
| CN104892046B (en) * | 2015-05-22 | 2017-11-21 | 南京农业大学 | A kind of method that earthworm circular treatment tea grounds prepares earthworm fertilizer |
| CN106035243B (en) * | 2016-06-16 | 2018-11-13 | 辽宁华电环保科技有限公司 | The method for utilizing domestic sludge breeding earthworm in greenhouse as bed base using cow dung |
| CN106316584A (en) * | 2016-08-11 | 2017-01-11 | 同济大学 | Method and device for treating residual sludges |
| CN107011000A (en) * | 2017-05-09 | 2017-08-04 | 亳州市恒顺生态科技有限公司 | The method that organic base fertilizer is made in wormcast is isolated in a kind of breeding earthworm base-material from sludge |
| CN108002678A (en) * | 2017-12-08 | 2018-05-08 | 湖北田申甲生物环保科技有限公司 | A kind of biological utilization method of municipal sludge |
| CN109896715A (en) * | 2019-03-30 | 2019-06-18 | 安徽科技学院 | A method of utilizing earthworm continuous processing sludge |
| CN113940254A (en) * | 2020-12-21 | 2022-01-18 | 山东汇城环保科技有限公司 | Method for planting cash crops by utilizing wormcast instead of turfy soil and hillside soil |
| CN113261534B (en) * | 2021-03-30 | 2023-08-08 | 扬州大学 | Earthworm breeding method |
| CN114716285A (en) * | 2022-03-31 | 2022-07-08 | 茅台学院 | Method for treating soy sauce wine sludge by using earthworms |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746936A (en) * | 2010-02-05 | 2010-06-23 | 吉林绿环有机固废生物处理科技有限公司 | Method for treating sludge in large scale by utilizing earthworm |
| CN101857346A (en) * | 2010-05-24 | 2010-10-13 | 北京龙威昌生物科技有限公司 | Biological processing technology of earthworms contained in municipal sludge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5617697A (en) * | 1979-07-25 | 1981-02-19 | Shigeo Fujimoto | Sludge treatment method by earthworm castings |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746936A (en) * | 2010-02-05 | 2010-06-23 | 吉林绿环有机固废生物处理科技有限公司 | Method for treating sludge in large scale by utilizing earthworm |
| CN101857346A (en) * | 2010-05-24 | 2010-10-13 | 北京龙威昌生物科技有限公司 | Biological processing technology of earthworms contained in municipal sludge |
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| CN102092912A (en) | 2011-06-15 |
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