CN104310706A - Method for comprehensive treatment of dung of dry dung collection dairy farm as pasture of less than 500 livestock on hand - Google Patents
Method for comprehensive treatment of dung of dry dung collection dairy farm as pasture of less than 500 livestock on hand Download PDFInfo
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- CN104310706A CN104310706A CN201410561061.5A CN201410561061A CN104310706A CN 104310706 A CN104310706 A CN 104310706A CN 201410561061 A CN201410561061 A CN 201410561061A CN 104310706 A CN104310706 A CN 104310706A
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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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- 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
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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
- 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
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Abstract
The invention discloses a method for comprehensive treatment of dung of a dry dung collection dairy farm as a pasture of less than 500 livestock on hand. According to the method, collected sewage is delivered to an adjusting tank by virtue of a concealed pipe after filtered; effluent of the adjusting tank is introduced into an anaerobic reactor and is subjected to anaerobic fermentation treatment of the anaerobic reactor to sufficiently degrade organic matters, and then the effluent is introduced into an aerobic tank to perform aeration treatment; by virtue of aerobic treatment of the aerobic tank, the effects of deodorization and deaminization are achieved, the remaining water is directly used for plantation in an appropriate mixing ratio of a mixed irrigation tank; and collected solid dung is directly transported to a dung stacking shed and is stored as a raw material for secondary resource utilization, or is used as a substrate for earthworm culture or is directly subjected to stack retting to become a thoroughly decomposed fertilizer so as to be directly used for plantation as a fertilizer. The method disclosed by the invention has the advantages that the dung and sewage are collected and treated in a classified manner, and the investment cost and running cost are reduced; besides, the method has good universality, wide adaptation range and high stability, can be used for effectively improving environmental sanitation of farms and surroundings, and is simple to run and maintain, and semiautomatic operation can be realized.
Description
Technical field
The present invention relates to the dirty comprehensive treatment technique of diary farm excrement, be specifically related to a kind of livestock on hand less than 500 pasture types and do the dirty integrated conduct method of clear excrement diary farm excrement.
Background technology
Issue " national advantageous agricultural product Regional planning layout 2008-2015 " statistics according to the Ministry of Agriculture, at present, China per capita milk preparation consumption be only equivalent to 1/4 of world average level, 1/12 of developed country, development space is wide.In recent years, along with the lifting of milk preparation demand, under the drive of milk cow Predominance Area, China milk industry grows continuously and fast, and emerges a collection of star enterprise and famous brand name, achieves significant effect.Adding up national cultivation amount in 2012 according to herding yearbook is 1,440 ten thousand, expects national milk cattle cultivating amount in 2015 reach 1,700 ten thousand according to planning.Along with the continuous expansion of cultivation scale; the increase of intensive milk cattle cultivating number; the problem of environmental pollution that the dirt of large-scale milch cow farms excrement causes; especially a large amount of high-concentration culture excrement that the type mass-producing milk cattle cultivating place, pasture being main clear excrement technique with dry clear excrement produces are dirty, just causing the extensive concern of society.
Because the bulky stool dirt of producing row in industry development process fails to be controlled timely and effectively and utilize, cause the waste of ample resources, and threaten Animal product quality and breeding environment place of production safety.For this reason, country and local government has put into effect a series of decree regulations, standards and norms retrain and promote the sound development of industry.On January 1st, 2014, State Council formally promulgates " livestock and poultry breeding scale pollution prevention ordinance "; The Ministry of Agriculture, Chinese Ministry of Environmental Protection have issued and implemented the standard specifications such as " livestock and poultry farm ambient quality standard ", " livestock and poultry breeding industry pollutant emission standard ", " livestock and poultry breeding industry pollution prevention technique specification ", " livestock and poultry breeding industry waste treatment project technical specifications " and have retrained and solved Pollution from livestock and poultry problem.
Dry clear excrement formula large-scale milch cow farms breeding way and the dirty collection mode of excrement thereof have ubiquity in milk cow production industry, have material impact to the sound development of industry.Especially middle-size and small-size plant of pasture type mass-producing milk cattle cultivating overwhelming majority plant is also basic based on dry clear excrement technique; rushing the dirt of excrement dairy cow farm excrement with water produces compared with row's situation; ight soil is mainly collected in solid form and clears; breeding wastewater amount is also relatively less; and organic content is few in waste water; if but do not process and let alone arbitrarily discharge and equally also can cause more serious environmental pollution, formulate economic and practical and targetedly treatment for cow manure technique be the key issue that the present invention will solve.
By industry investigation, dry clear excrement formula large-scale milch cow farms ight soil is mainly derived from cowshed, playground; In dry clear excrement technique waste water be mainly derived from milking parlour equipment flushing of pipeline water, treat crowded Room ground flushing water, ox urine, summer cowshed spray water, the plant wherein with spray condition is the main source of seasonal draining.Different cultivation scales can produce the waste water of different quantities, and corresponding administration way also has larger difference, and the present invention formulates corresponding treatment process mainly for less than 500 large-scale milch cow farms.
Summary of the invention
The object of the invention is to do the excrement dirt of clear excrement diary farm for breeding stock less than 500 pasture types and produce row's feature and existing problems, a kind of livestock on hand less than 500 pasture types are provided to do the dirty integrated conduct method of clear excrement diary farm excrement, the method takes into account excrement dirt categorised collection, classification process, has seasonal adaptive faculty, necessarily storage and deep purifying ability, can realize the dirty integrated conduct method of comprehensive excrement of breeding combination.
Technical scheme of the present invention:
The dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand less than 500 pasture types, and step is as follows:
1) the equipment wash-down water first produced by milking parlour, treat that ground flushing water that the crowded Room produces, ox urine and a small amount of cow dung are by covered conduit collection in the Room, fall animal cilium and trifle through grid filtration after collection, then are transported to equalizing tank by hidden pipe;
2) anaerobic reactor is introduced in equalizing tank water outlet, by organic matter of fully degrading after the anaerobically fermenting process of anaerobic reactor, be ammonia nitrogen by nitrogenous for overwhelming majority organic matter transformation, the biogas of generation can be used as clean energy comprehensive utilization, and water outlet causes Aerobic Pond and carries out Air Exposure;
3) Aerobic Pond reaches the effect of deodorizing and deamination by aerobic treatment, breeding wastewater organic matter after Air Exposure obtains effective degraded, be stripped of the ammonia of free state, can be back to after disinfecting and treat that the crowded Room replaces clear water to rinse ground, the fine liquid manure resource that remaining water body will be applicable plant absorption and utilization, just can be directly used in plant husbandry by the proportioning that mixed filling pond is suitable and utilize;
4) solid manure collected of cowshed and playground is delivered directly to by night soil collector the material storage that heap excrement canopy utilizes as secondary resourceization, or as vermiculture matrix or directly stack retting become thoroughly decomposed fertilizer directly sell finally as fertilizer for plant husbandry.
Advantage of the present invention and positively effect are:
1) the method takes full advantage of breeding stock less than 500 pasture types and does clear excrement diary farm excrement dirt product row feature, ultimate aim is turned to realize breeding waste resource, by ight soil and sewage categorised collection classification process, reduce cost of investment and the running cost for the treatment of for cow manure;
2) good, the wide accommodation of the method versatility, clear excrement diary farm treatment for cow manure done by breeding stock less than 500 the pasture types that can meet different areas;
3) equalizing tank effectively can alleviate the seasonal treatment pressure of sewage that a large amount of spray water brings, and improves the stability of system;
4) the method effectively can improve the environmental health of plant and periphery, provides guarantee for developing clean cultivation;
5) the method can realize semi-automation operation, and running maintenance is simple, and the operation of whole system only needs part-time operation, does not need arrangement fixed personnel.
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Accompanying drawing explanation
Fig. 1 is that the dirty integrated conduct method schematic flow sheet of clear excrement diary farm excrement done by this pasture type.
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Embodiment
Embodiment:
The dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand less than 500 pasture types that are used for, and as shown in Figure 1, comprises following technique:
1) the equipment wash-down water first produced by milking parlour, treat that ground flushing water that the crowded Room produces, ox urine and a small amount of cow dung are by covered conduit collection in the Room, fall animal cilium and trifle etc. through grid filtration after collection, then are transported to equalizing tank by hidden pipe;
2) equalizing tank should be greater than the storage volumes that spray produces water displacement 30 times season daily, can play the effect that modified homogenate, elementary acidifying and peak season sewage cushion, protect the normal operation of follow-up anaerobic reactor, and anaerobic reactor process is introduced in equalizing tank water outlet;
3) by organic matter of fully degrading after the anaerobically fermenting process of anaerobic reactor, be ammonia nitrogen by nitrogenous for overwhelming majority organic matter transformation, the biogas produced can be used as clean energy comprehensive utilization, water outlet causes Aerobic Pond and carries out Air Exposure, the effect of deodorizing and deamination is reached by aerobic treatment, breeding wastewater organic matter after Air Exposure obtains effective degraded, be stripped of the ammonia of free state, be back to after disinfecting and treat that the crowded Room replaces clear water to rinse ground, the fine liquid manure resource that remaining water body will be applicable plant absorption and utilization, just can be directly used in plant husbandry by the proportioning that mixed filling pond is suitable to utilize,
4) solid manure that can collect of cowshed and playground is then delivered directly to by night soil collector the material storage that heap excrement canopy utilizes as secondary resourceization, can as the matrix of vermiculture, can directly stack retting become thoroughly decomposed fertilizer, can directly sell finally as fertilizer for plant husbandry.
The method fully combines livestock on hand less than 500 pasture types and does the breeding technique of clear excrement diary farm and process characteristic of discharging feces clearly, by ight soil and sewage categorised collection, reduces cost of investment and the running cost for the treatment of for cow manure.Technique versatility is good, wide accommodation, and effectively can improve the environmental health of plant and periphery, Technology is perfect, uses good, has significant technology and economical effectiveness.
Claims (1)
1. the dirty integrated conduct method of clear excrement diary farm excrement done by livestock on hand less than 500 pasture types, it is characterized in that step is as follows:
1) the equipment wash-down water first produced by milking parlour, treat that ground flushing water that the crowded Room produces, ox urine and a small amount of cow dung are by covered conduit collection in the Room, fall animal cilium and trifle through grid filtration after collection, then are transported to equalizing tank by hidden pipe;
2) anaerobic reactor is introduced in equalizing tank water outlet, by organic matter of fully degrading after the anaerobically fermenting process of anaerobic reactor, be ammonia nitrogen by nitrogenous for overwhelming majority organic matter transformation, the biogas of generation can be used as clean energy comprehensive utilization, and water outlet causes Aerobic Pond and carries out Air Exposure;
3) Aerobic Pond reaches the effect of deodorizing and deamination by aerobic treatment, breeding wastewater organic matter after Air Exposure obtains effective degraded, be stripped of the ammonia of free state, can be back to after disinfecting and treat that the crowded Room replaces clear water to rinse ground, the fine liquid manure resource that remaining water body will be applicable plant absorption and utilization, just can be directly used in plant husbandry by the proportioning that mixed filling pond is suitable and utilize;
4) solid manure collected of cowshed and playground is delivered directly to by night soil collector the material storage that heap excrement canopy utilizes as secondary resourceization, or as vermiculture matrix or directly stack retting become thoroughly decomposed fertilizer directly sell finally as fertilizer for plant husbandry.
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Application publication date: 20150128 |