CN109956633A - A method of utilizing earthworm biological treatment city excess sludge - Google Patents
A method of utilizing earthworm biological treatment city excess sludge Download PDFInfo
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- CN109956633A CN109956633A CN201711499996.5A CN201711499996A CN109956633A CN 109956633 A CN109956633 A CN 109956633A CN 201711499996 A CN201711499996 A CN 201711499996A CN 109956633 A CN109956633 A CN 109956633A
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- earthworm
- bed
- biological treatment
- excess sludge
- sludge
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of methods using earthworm biological treatment city excess sludge, the method are as follows: unfermentable cow dung is layered on earthworm canopy level land as earthworm bed, earthworm is uniformly put on earthworm bed, fresh sludge and unfermentable dry cow dung are prepared in proportion again, suitable specialist additive is added, it is put on earthworm bed after sufficiently mixing, due to the needs of earthworm own physiological process, it need to constantly eat and digest and decompose sludge material, it realizes the proliferation of earthworm and generates a large amount of excreta, and the excreta wormcast of earthworm can be used as the high-quality organic fertilizer of green plants, the present invention not only realizes effective decomposition to sludge using dealing with earthworm city excess sludge, and be conducive to greening environment.
Description
Technical field
The present invention relates to method for sludge treatment field, specially a kind of side using earthworm biological treatment city excess sludge
Method.
Background technique
As China produces a large amount of residues during municipal sewage treatment to the expansion of city processing sewage scale
Sludge, it has also become the big problem of the one of environmental pollution contains a large amount of pathogen, helminth and heavy metal in sludge, as copper,
Lead, zinc, chromium, mercury etc., these are all poisonous and harmful substances difficult to degrade in sludge, at present the domestic main method to Treatment of Sludge
It is two methods of landfill and burning, these methods can cause secondary pollution to environment, and cause serious waste, because of sludge
In develop containing plant growth required for various trace elements and the organic matter of soil texture can be improved, at earthworm biology
The concern that sludge obtains people is managed, earthworm itself can be using sludge as food, and its excreta can be used as green plants
Fertilizer, the problem of can avoiding pollution and waste, existing application No. is CN201210036053.X, a kind of biochemical with dealing with earthworm
The method of sludge or fowl and animal excrement, sludge is turned waste into wealth, and is an important topic of research.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of utilization earthworm biological treatment city excess sludge
Method sludge is become into wormcast, the wormcast of generation becomes by reprocessing using dealing with earthworm city excess sludge
Excellent organic fertilizer promotes China's circular economy, realizes the purpose of greening environment for improving soil and cultivating green plants.
The invention provides the following technical scheme: a kind of method using earthworm biological treatment city excess sludge, the earthworm
The method of earthworm processing city excess sludge is carried out according to the following steps:
(1) unfermentable cow dung is used to be layered on earthworm canopy level land as earthworm bed；
(2) in the upper uniform dispensing earthworm of earthworm bed；
(3) earthworm canopy temperature and humidity is adjusted；
(4) fresh sludge and unfermentable dry cow dung are prepared in proportion, suitable specialist additive is added, through abundant
It is put into after mixing on earthworm bed；
(5) earthworm is replaced after earthworm works 15~20 days and throws quantitative mud mixture to earthworm bed, in this way from first
It is secondary to earthworm bed investment mud mixture be recycled to the 5th time when, earthworm cocoon and small earthworm grow up, replacement earthworm input amount reduce
Earthworm is separated with wormcast after by the 1/2 of former input amount, three month；
(6) content of beary metal of earthworm and wormcast is detected.
As a preferred technical solution of the present invention, it is highly 20~30cm that the earthworm bedside degree, which is 1.5m, length
For 5m.
As a preferred technical solution of the present invention, the kind of the earthworm is " putting down No. 2 bloodworms greatly ", the earthworm
Injected volume be 8000~12000.
As a preferred technical solution of the present invention, the earthworm canopy setting temperature is 20~25 DEG C, humidity 30%
~40%.
As a preferred technical solution of the present invention, the fresh sludge and unfermentable dry cow dung be 1: 1 in proportion,
2∶1、3∶1。
As a preferred technical solution of the present invention, the Raising directly of the mud mixture is 20~30cm.
As a preferred technical solution of the present invention, the specialist additive has albumen powder, tea saponin.
As a preferred technical solution of the present invention, the heavy metal specifically has Cu, En, Pb, Ni, Cr, Ca.
Compared with prior art, the beneficial effects of the present invention are:
A kind of method using earthworm biological treatment city excess sludge of the present invention, the characteristics of using earthworm own physiological,
Can be using sludge and cow dung as food, when by environment temperature and humidity regulation to the growth of suitable earthworm and activity, earthworm has
Higher working efficiency, earthworm is worldwide widely distributed, and especially in Temperate Region in China, earthworm is the analyst of soil,
There is critically important status in soil ecosystem, the excreta wormcast of earthworm is the organic fertilizer of green plants, utilizes earthworm
Biological treatment municipal sludge is the circular economy for adapting to China, the good method of greening environment.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 8000.
(3) temperature of earthworm canopy temperature is adjusted to 20 DEG C, humidity regulation to 30%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 1: 1 in proportion, adds suitable specialist additive albumen
Powder is put on earthworm bed, Raising directly 20cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
Embodiment 2:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 8000.
(3) temperature of earthworm canopy temperature is adjusted to 20 DEG C, humidity regulation to 30%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 2: 1 in proportion, adds suitable specialist additive tea soap
Glycosides is put on earthworm bed, Raising directly 20cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
Embodiment 3:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 8000.
(3) temperature of earthworm canopy temperature is adjusted to 20 DEG C, humidity regulation to 30%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 3: 1 in proportion, adds suitable specialist additive tea soap
Glycosides is put on earthworm bed, Raising directly 20cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
Embodiment 4:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 10000.
(3) temperature of earthworm canopy temperature is adjusted to 20 DEG C, humidity regulation to 30%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 1: 1 in proportion, adds suitable specialist additive tea soap
Glycosides is put on earthworm bed, Raising directly 20cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
Embodiment 5:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 12000.
(3) temperature of earthworm canopy temperature is adjusted to 25 DEG C, humidity regulation to 35%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 1: 1 in proportion, adds suitable specialist additive tea soap
Glycosides is put on earthworm bed, Raising directly 30cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
Embodiment 6:
A method of utilizing earthworm biological treatment city excess sludge, the method for dealing with earthworm city excess sludge
It is carried out according to the following steps:
(1) unfermentable cow dung will be used to be layered on earthworm canopy level land as earthworm bed, earthworm bed length is 5m, and width is
1.5m is highly 20cm.
(2) in the upper uniform dispensing earthworm of earthworm bed, the kind that wherein earthworm is selected is " putting down No. 2 bloodworms greatly ", earthworm
Injected volume be 12000.
(3) temperature of earthworm canopy temperature is adjusted to 25 DEG C, humidity regulation to 35%；
(4) fresh sludge and unfermentable dry cow dung are prepared at 1: 1 in proportion, adds suitable specialist additive tea soap
Glycosides is put on earthworm bed, Raising directly 30cm after sufficiently mixing；
(5) replace earthworm after earthworm works 18 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) earthworm and wormcast after taking processing sludge, detect the content of content of beary metal Cu, En, Pb, Ni, Cr, Ca.
From above six embodiments, earthworm injected volume 10000 are found, the temperature of earthworm canopy temperature is adjusted to 20 DEG C,
Humidity regulation is to 30%, and fresh sludge and unfermentable dry cow dung prepare at 1: 1 in proportion, Raising directly 20cm, the place of sludge
It is best to manage effect, shows as earthworm in-vivo heavy metal content and reaches maximum, content of beary metal reaches minimum in wormcast, wherein earthworm
Cu content is 181.27mg/kg in vermis, and En content is 1051.77mg/kg, and Pb content is 191.20mg/kg, and Ni content is
111.62mg/kg, Cr content are 41.82mg/kg, and Ca content is 21.49mg/kg；Cu content is 821.76mg/ in wormcast
Kg, En content are 322.78mg/kg, and Pb content is 151.50mg/kg, and Ni content is 151.84mg/kg, and Cr content is
301.40mg/kg, Ca content are 1.93mg/kg, and earthworm is best able to show one containing normal growth in heavy metal sewage sludge
Fixed metal patience.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (8)
1. a kind of method using earthworm biological treatment city excess sludge, it is characterised in that: the dealing with earthworm city is remaining
The method of sludge is carried out according to the following steps:
(1) unfermentable cow dung is used to be layered on earthworm canopy level land as earthworm bed；
(2) in the upper uniform dispensing earthworm of earthworm bed；
(3) earthworm canopy temperature and humidity is adjusted；
(4) fresh sludge and unfermentable dry cow dung are prepared in proportion, adds suitable specialist additive, is adequately mixed
After put into earthworm bed on；
(5) replace earthworm after earthworm works 15~20 days and throw quantitative mud mixture to earthworm bed, in this way from first time to
When earthworm bed investment mud mixture is recycled to the 5th time, earthworm cocoon and small earthworm grow up, and replacement earthworm input amount is reduced to original
The 1/2 of input amount separated earthworm with wormcast after three months；
(6) content of beary metal of earthworm and wormcast is detected.
2. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
Stating earthworm bed length is 5m, width 1.5m, is highly 20~30cm.
3. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
The kind for stating earthworm selection is " putting down No. 2 bloodworms greatly ", and the injected volume of the earthworm is 8000~12000.
4. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
Stating earthworm canopy setting temperature is 20~25 DEG C, and humidity is 30%~40%.
5. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
State fresh sludge and unfermentable dry cow dung is 1: 1,2: 1,3: 1 in proportion.
6. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
The Raising directly for stating mud mixture is 20~30cm.
7. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
Stating specialist additive has albumen powder, tea saponin.
8. a kind of method using earthworm biological treatment city excess sludge according to claim 1, it is characterised in that: institute
Stating heavy metal specifically has Cu, En, Pb, Ni, Cr, Ca.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499996.5A CN109956633A (en) | 2017-12-26 | 2017-12-26 | A method of utilizing earthworm biological treatment city excess sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499996.5A CN109956633A (en) | 2017-12-26 | 2017-12-26 | A method of utilizing earthworm biological treatment city excess sludge |
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| Publication Number | Publication Date |
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| CN109956633A true CN109956633A (en) | 2019-07-02 |
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ID=67022961
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| CN201711499996.5A Pending CN109956633A (en) | 2017-12-26 | 2017-12-26 | A method of utilizing earthworm biological treatment city excess sludge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809843A (en) * | 2019-03-30 | 2019-05-28 | 安徽科技学院 | The method for preparing biological organic fertilizer using sludge |
| CN110407613A (en) * | 2019-08-15 | 2019-11-05 | 济南大学 | Vermicomposting is used to cut down the application of nano oxidized Copper electrodissolution in sludge |
| CN110423146A (en) * | 2019-09-05 | 2019-11-08 | 夏伟 | A method of utilizing quasi- water tarantula production pig manure and stalk mixing organic fertilizer |
| CN112551845A (en) * | 2020-12-21 | 2021-03-26 | 山东汇城环保科技有限公司 | Method for reducing weight and sterilizing sludge by using earthworms |
-
2017
- 2017-12-26 CN CN201711499996.5A patent/CN109956633A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809843A (en) * | 2019-03-30 | 2019-05-28 | 安徽科技学院 | The method for preparing biological organic fertilizer using sludge |
| CN110407613A (en) * | 2019-08-15 | 2019-11-05 | 济南大学 | Vermicomposting is used to cut down the application of nano oxidized Copper electrodissolution in sludge |
| CN110423146A (en) * | 2019-09-05 | 2019-11-08 | 夏伟 | A method of utilizing quasi- water tarantula production pig manure and stalk mixing organic fertilizer |
| CN112551845A (en) * | 2020-12-21 | 2021-03-26 | 山东汇城环保科技有限公司 | Method for reducing weight and sterilizing sludge by using earthworms |
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Application publication date: 20190702 |