CN1244506C - Process for gradient treating organic wastes - Google Patents

Process for gradient treating organic wastes Download PDF

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Publication number
CN1244506C
CN1244506C CNB2004100700819A CN200410070081A CN1244506C CN 1244506 C CN1244506 C CN 1244506C CN B2004100700819 A CNB2004100700819 A CN B2004100700819A CN 200410070081 A CN200410070081 A CN 200410070081A CN 1244506 C CN1244506 C CN 1244506C
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CN
China
Prior art keywords
methane
slag
liquid
present
pig
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Expired - Fee Related
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CNB2004100700819A
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Chinese (zh)
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CN1576246A (en
Inventor
李益冉
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Li Yiran
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Individual
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Priority to CNB2004100700819A priority Critical patent/CN1244506C/en
Publication of CN1576246A publication Critical patent/CN1576246A/en
Priority to PCT/CN2005/001286 priority patent/WO2006017991A1/en
Application granted granted Critical
Publication of CN1244506C publication Critical patent/CN1244506C/en
Expired - Fee Related legal-status Critical Current
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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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The present invention provides a comprehensive pig and/or cow feces treating method. In the method, collected milk cow feces are pretreated so as to satisfy the requirements for usual methane preparation through anaerobic digestion; produced methane is used for power generation, part of slag liquid of a methane tank is drained into a sedimentation tank for sedimentation, obtained liquid is methane liquid, and part of the methane liquid is used for planting forage; a slag part refers to methane slag, the methane slag is dried by a solar energy drier and then used for planting mushrooms, leftovers after harvesting the mushrooms are used for breeding earthworms, and earthworm feces are used for planting forage. The method provided by the present invention forms a positive ecological cycle and realizes the comprehensive utilization of waste resources to the greatest extent so that the present invention is the most economical and the most practical treating method for treating fowl fecal pollution.

Description

The method of gradient treating organic wastes
Technical field
The present invention relates to a kind of method of gradient treating organic wastes, specifically relate to a kind of step and handle pig and/or cow dung method just.
Background technology
People's living standard is always followed the development of fowl farm and is improved day by day, in recent years, the large-scale breed of poultry industry has obtained tremendous development, many cities have been built up scale in succession and have been reached several ten thousand milk cattle cultivating base, pig farm up to 1,000,000, some new problems of the fast development of aquaculture have also occurred, and wherein main problem is that ight soil is handled problems.Large-scale cultivation industry fecal sewage is handled generally three kinds of modes.Mainly be by simple precipitation, artificial separation the dry-matter in the ight soil to be carried out the nature stack retting, also field of thick fertilizer is done in the fermentation back, and the sewage after the separation is concentrated and stored, and is used as farmland fertilizer after natural sedimentation is handled.The 2nd, utilize aerobe that organism is decomposed into carbonic acid gas and water.The 3rd, anaerobic biological treatment is a biogas technology.At present, the large-scale plant fowl and animal excrement in part city does not carry out safe and effective processing, wherein have only small portion to apply the farmland as base manure, a sizable part is directly to enter water channel or water drain, this has not only wasted resource, again grievous injury environment, water area ecological environment is caused serious threat.
On the other hand, market increases day by day to the demand of Twospore Mushroom, and market potential is huge.Moreover supply of electric power is very nervous.
Summary of the invention
First purpose of the present invention provides a kind of method of gradient treating organic wastes, and is not contaminated to avoid environment, and part is alleviated the situation of power supply shortage.
Second purpose of the present invention provides a kind of method for preparing compost for the cultivation button mushroom.
The 3rd purpose of the present invention provides a kind of method for preparing substratum for breeding earthworm.
The 4th purpose of the present invention provides a kind of method for preparing fertilizer for plantation forage grass.
The 5th purpose of the present invention provides a kind of method for preparing pollution-free energy source for generating.
" technician " can draw its other purposes of the present invention after reading the application under the enlightenment of present specification.
The invention provides a kind of method of gradient treating organic wastes, this method comprises: the method for gradient treating organic wastes is characterized in that this method comprises:
(1) organic waste is carried out anaerobically fermenting;
(2) biogas of fermentation back generation is used for generating, and the methane-generating pit rest part precipitates, and the slag charge of precipitation gained is made the Twospore Mushroom substratum;
(3) tankage after the Twospore Mushroom results are made earthworm feedstuff.
The invention provides a gradient treating organic wastes method again, this method is for handling carrying out described anaerobically fermenting after the organic waste pre-treatment again.
Described organic waste are pig and/or cow dung.
The invention provides the 5th gradient treating organic wastes method, the waste liquid of described anaerobically fermenting and wormcast are used to plant forage grass.
Method provided by the invention utilizes anaerobic digestion techniques for example to handle cow manure, produces biogas, marsh gas power generation; Natural pond slag plantation Twospore Mushroom, mushroom tankage breeding earthworm; Wormcast mixes also field kind forage grass with natural pond liquid, and the forage grass cowboying forms a kind of optimum ecological circulation system.All linked with one another, be benefited successively, really realized the waste material maximum using.
In view of the pig of collecting, cow dung are contained impurity such as a large amount of fibers, xylogen and silt in just.Pig, cow dung just and wash-down water change with weather and environment, therefore, carry out need carrying out before the anaerobic digestion necessary such as usual pre-treatment such as desilting, water quality, the water yield, temperature adjustment, to guarantee that subsequent anaerobic digestion normally moves.
Anaerobic digestion can get three kinds of products, biogas, natural pond slag and natural pond liquid, biogas is used for generating, natural pond liquid is used for kind of a feed, the natural pond slag is used for the culture material of bisporous mushroom, traditional fermentation is based on " aerobic fermentation ", cycle reaches January, and labour intensity is big, and energy waste is many, fermentative processing before and after the sowing, be the artificial and two spore bacterium technical finesse processes of the organism of fermentation death of striving property unexpectedly theoretically,, wherein exist multiple microorganism based on the anaerobism kind by the natural pond slag that obtains after the anaerobism " fermentation ", being exposed in the air several minutes promptly can be dead, reaches the treatment effect of spontaneous fermentation like this.Through the natural pond of anaerobically fermenting slag, be the high quality raw material of cultivating bisporous mushroom, really realize non-polluted cultivation.
The mushroom tankage are fed earthworm, and wormcast and natural pond liquid are used to plant forage grass, and fresh high-quality forage grass is fed milk cow, has not only guaranteed the output of milk cow, and has guaranteed the quality of milk.
Pig and/or cow dung just digest the biogas that produces the back and are used for generating, than its fund return rate height that directly burns of raw coal as an alternative, be on the one hand since the livestock and poultry farms in scale majority away from cities and towns, the construction cost height of distance and gas line network; The calorific value that is one cubic metre of biogas on the other hand is only suitable with one kilogram of raw coal.And plant is the large electricity consumer, and the waste heat of generating is used for fermentation raw material intensification, insulation or mushroom house and heats up, and this has not only improved the economic worth of biogas self, has alleviated the sharp contradiction of local power shortages again.
Description of drawings
Step processing pig and/or cow dung be schema just, wherein:
1 pig and/or cow dung wash-down water; 2 equalizing tanks; 3 gather materials, heat; 4 pumps; 5 methane-generating pits; 6 settling tanks; The fertile pond of 7 storages; 8 solar dryers; 9 cultivate Twospore Mushroom; 10 natural pond liquid partial reflux; 11 breeding earthworms; 12 wormcasts; Plant forage grass or vegetables for 13 kinds; 14 biogas; 15 dehydrations, desulfurization; 16 store; 17 back-fire reliefs; 18 generatings; 19 UTILIZATION OF VESIDUAL HEAT IN; 20 gas fired-boilers; 21 solar electrical energy generations; 22 generatings.
Embodiment
The cow manure of collecting is carried out pre-treatment to adapt to the needs that usual anaerobic digestion prepares biogas, the biogas of producing is used for generating, the rest part of methane-generating pit is entered settling tank precipitate, the liquid of gained is natural pond liquid, and wherein a part is used to plant forage grass.Slag charge partly is the natural pond slag, and by being used for cultivated mushroom after the solar dryer drying, the tankage behind the results mushroom are used for breeding earthworm, and wormcast is used to plant forage grass.
Method provided by the invention has formed an optimum ecological circulation, has realized the comprehensive to greatest extent and utilization of waste material, is to solve feces of livestock and poultry to pollute the most economical and the most practical treatment process.
Those skilled in the art read present patent application and read can carry out various modifications and change behind the specification sheets, but these modifications and changes are all within the claim protection domain that application is awaited the reply.

Claims (4)

1. the method for gradient treating organic wastes is characterized in that this method comprises:
(1) organic waste is carried out anaerobically fermenting;
(2) biogas of fermentation back generation is used for generating, and the methane-generating pit rest part precipitates, and the slag charge of precipitation gained is made the Twospore Mushroom substratum;
(3) tankage after the Twospore Mushroom results are made earthworm feedstuff.
2. according to the method for claim 1, it is characterized in that handling to carrying out described anaerobically fermenting after the organic waste pre-treatment again.
3,, it is characterized in that described organic waste are pig and/or cow dung according to the method for claim 1 or 2.
4. according to the method for claim 3, it is characterized in that the waste liquid of described anaerobically fermenting and wormcast are used to plant forage grass.
CNB2004100700819A 2004-08-18 2004-08-18 Process for gradient treating organic wastes Expired - Fee Related CN1244506C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNB2004100700819A CN1244506C (en) 2004-08-18 2004-08-18 Process for gradient treating organic wastes
PCT/CN2005/001286 WO2006017991A1 (en) 2004-08-18 2005-08-18 Stepped sequential treatment method for municipal domestic refuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100700819A CN1244506C (en) 2004-08-18 2004-08-18 Process for gradient treating organic wastes

Publications (2)

Publication Number Publication Date
CN1576246A CN1576246A (en) 2005-02-09
CN1244506C true CN1244506C (en) 2006-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877558A (en) * 2009-04-30 2010-11-03 北京智慧剑科技发展有限责任公司 Focusing thermoelectric power station for renewable energy resource facility agriculture

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101544519B (en) * 2009-05-05 2013-08-07 福建春辉生物工程有限公司 Culture medium for organic food
CN102050553B (en) * 2010-11-08 2012-09-05 中国农业科学院农业环境与可持续发展研究所 Method and device for concentration of biogas and standard emission of clear liquid
CN102249409B (en) * 2011-06-23 2012-11-28 南京大学 Device and method for strengthening treatment of anaerobic sewage by using solar energy
CN102926564A (en) * 2011-08-08 2013-02-13 谈世新 Green circulating farming and breeding
CN102503065B (en) * 2011-11-22 2013-11-20 北京中持绿色能源环境技术有限公司 Sludge classification split-phase anaerobic digestion and biogas generator set afterheat comprehensive utilization system
CN103290062A (en) * 2013-06-20 2013-09-11 东北农业大学 Cold-region two-phase anaerobic-fermentation biogas fermentation raw material
CN103918479B (en) * 2014-04-13 2016-04-27 荆门华中农业开发有限公司 Scale steer ration field waste comprehensive utilization process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877558A (en) * 2009-04-30 2010-11-03 北京智慧剑科技发展有限责任公司 Focusing thermoelectric power station for renewable energy resource facility agriculture

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Owner name: LI YIRAN

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Effective date: 20050624

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Address after: 430071, A, room 1201, building 2, science building, Hongshan Road, Wuchang, Hubei

Applicant after: Li Yiran

Address before: 430071, A, room 1201, building 2, science building, Hongshan Road, Wuchang, Hubei

Applicant before: Zhonglian New Energy Co.,Ltd. Wuhan

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Granted publication date: 20060308

Termination date: 20120818