CN104773923A - Comprehensive treatment method of 500-3000-meadow dry clear manure dairy farm feces - Google Patents
Comprehensive treatment method of 500-3000-meadow dry clear manure dairy farm feces Download PDFInfo
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- CN104773923A CN104773923A CN201510191650.3A CN201510191650A CN104773923A CN 104773923 A CN104773923 A CN 104773923A CN 201510191650 A CN201510191650 A CN 201510191650A CN 104773923 A CN104773923 A CN 104773923A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a comprehensive treatment method of 500-3000-meadow dry clear manure dairy farm feces, which comprises the following steps: dry clear manure treatment is performed on solid manure; sewage passes through a conditioning tank and is subjected to solid-liquid separation, and the liquid enters a temporary storage tank; the sewage is subjected to anaerobic reaction in an anaerobic reactor; the sewage is subjected to aeration treatment in an aerobic tank; and the treated sewage is mixed in the mixed irrigation tank and used for crop production or backwash of milking parlors. The method compromises separate collection and separate treatment of feces, has seasonal adaptability, certain storage capacity and deep purification capacity, and can implement combination of planting and culture.
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 500-3000 head pasture type 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 a kind of livestock on hand 500-3000 head pasture type large-scale milch cow farms.
Summary of the invention
General idea of the present invention is: comprehensive utilization solid-liquid separation technique, Anaerobic treatment technique and aerobic bioprocess technology process, follow recycling economy principle and theory, as far as possible harmless treatment is carried out in diary farm excrement dirt, make it in ox-agricultural ecological subsystem, form recycle, reduce the disturbance to environment and destruction.
Diary farm utilizes dry clear excrement treatment process to clear up solid manure, its objective is: reduce the solid substance in sewage and organic content as far as possible, alleviate difficulty and the intensity of follow-up sewage treatment process; Solid manure has five kinds for the treatment of processs: 1) directly sell; 2) pile retting to become thoroughly decomposed and to sell after fertilizer or for plant husbandry; 3) fertilizer is made; 4) as edible fungus culture medium; 5) as earthworm cultivation substratum.
Diary farm sewage source in two portions, a part be cowshed spray-water in summer and ox urine after grid and equalizing tank by the isolated liquid of solid-liquid separating equipment, another part is milking parlour sewage and until the sewage of a small amount of fecaluria in the crowded Room after grid filtration; Reduce the organic content in sewage after sewage in scratch pool enters anaerobic reactor through anaerobic fermentation process, fully utilize after marsh gas purifying, natural pond liquid enters Aerobic Pond; Liquid in Aerobic Pond after aeration denitrogenation, can be used in plant husbandry after mixing in mixed filling pond with certain proportion with clear water; In non-irrigation season, the liquid in Aerobic Pond can enter multi-stage biological purification and store the pool, carries out advanced treatment, and in final, water can recharge in plant husbandry.
Therefore, the object of the invention is to do the excrement dirt of clear excrement diary farm for livestock on hand 500-3000 head pasture type and produce row's feature and existing problems, a kind of livestock on hand 500-3000 head pasture type is 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 500-3000 head pasture type, comprises the step of following order:
1) solid manure of cowshed and playground adopts dry clear excrement art breading, and in described cowshed, ight soil adopts the clear excrement of shovel and scratch board feces cleaning, and described ox playground adopts artificial clear excrement or the clear excrement of machinery;
2) solid manure after process, can be used as fertilizer and directly sells, or as the raw material that secondary resourceization utilizes;
3) milking parlour sewage and treat a small amount of fecaluria in the crowded Room, is transported to grid through covered conduit after collection and filters, and isolated solid enters heap excrement canopy, and sewage enters equalizing tank;
4) cowshed spray-water in summer and ox urine, be transported to after grid filters through covered conduit after collection and flow into equalizing tank;
5) after waste water reaches certain accumulation in pond to be regulated, pumped into solid-liquid separating equipment and carry out solid-liquid separation, isolated solid enters heap excrement canopy, and sewage enters scratch pool;
6) sewage in scratch pool is pumped into anaerobic reactor, carry out anaerobic reaction, to reduce the organic content in sewage; Sewage after process is entered Aerobic Pond; Fully utilize after the marsh gas purifying produced;
7) in Aerobic Pond, Air Exposure is carried out to sewage, the sewage after deodorizing and deamination, after mixing with clear water in mixed filling pond, can plant husbandry be used in.
Further, described step 7) in sewage after the deodorizing of Aerobic Pond back warp and deamination can enter multi-stage biological purification and store the pool, carry out advanced treatment, the waste water after final process can be used for plant husbandry.
Further, described step 2) in solid manure after process can be used as fertilizer or the fertile raw material that becomes thoroughly decomposed.
Further, described step 2) in solid manure after process can be used as the matrix of vermiculture or breed of edible fungus.
Further, described step 3) in when wastewater volume in equalizing tank reaches 60%-90% of equalizing tank volume, pumped into solid-liquid separating machine and carry out solid-liquid separation, isolated solid enters heap excrement canopy, and sewage enters scratch pool.
Further, described step 7) in sewage after the deodorizing of Aerobic Pond back warp and deamination can enter multi-stage biological purification and store the pool, carry out advanced treatment, the waste water after final process, part can be used for the milking parlour that backwashes after sterilizing unit sterilization, and remainder can be used in plant husbandry.
Further, described step 6) in first the sewage in scratch pool is pumped into and heats between, be heated to 30-40 DEG C, then pump into anaerobic reactor, carry out anaerobic reaction; Described heat between scratch pool and anaerobic reactor, the biogas energy supply that produced by anaerobic reactor of temperature raising device in heating.
Further, described step 6) in heat in temperature raising device by sun power or conventional energy resources energy supply.
Further, described step 5) in the pH value of sewage is adjusted to 6.8-8 in heat.
Further, described step 5) in can adjust the pH value of sewage in heating with liming, plant ash.
Beneficial effect of the present invention and active effect:
1) the method takes full advantage of breeding stock 500-3000 head pasture type and does clear excrement diary farm excrement dirt product row feature, to realize breeding waste resource utilization, ecosystem self-circulation for ultimate aim, 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 the breeding stock 500-3000 head pasture type that can meet different areas;
3) the seasonal treatment pressure of sewage that a large amount of spray water brings effectively can be alleviated in the multi-stage biological purification storage pool, improves the stability of system;
4) heat between there is the effect heating and adjust pH value, be conducive to accelerate anaerobic digestion reaction;
5) the method effectively can improve the environmental health of plant and periphery, provides guarantee for developing clean cultivation;
6) 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.
Accompanying drawing explanation
Fig. 1 is that the dirty integrated conduct method schema of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture type.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but do not limit protection scope of the present invention.
Embodiment one:
The dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture type, comprises the step of following order:
1) solid manure of cowshed and playground adopts dry clear excrement art breading, and in described cowshed, ight soil adopts the clear excrement of shovel and scratch board feces cleaning, and described ox playground adopts artificial clear excrement or the clear excrement of machinery;
2) solid manure after process, can be used as fertilizer and directly sells, also can be used as fertilizer, become thoroughly decomposed fertile raw material, can also be used to the matrix as vermiculture or breed of edible fungus;
3) milking parlour sewage and treat a small amount of fecaluria in the crowded Room, is transported to inclined-plate type grid filtration unit through covered conduit after collection and filters, and isolated solid enters heap excrement canopy, and sewage enters equalizing tank;
4) cowshed spray-water in summer and ox urine, be transported to after grid filters through covered conduit after collection and flow into equalizing tank;
5) after waste water reaches the accumulation of 60% in pond to be regulated, pumped into screw extruding type solid-liquid separator and carry out solid-liquid separation, isolated solid enters heap excrement canopy, and sewage enters scratch pool;
6), between being pumped into by the sewage in scratch pool and heating, 35 DEG C are heated to; With liming or plant ash, the pH value of sewage is adjusted to 7.0; Then pump into UASB anaerobic reactor, carry out anaerobic reaction, to reduce the organic content in sewage; Described heat between scratch pool and UASB reactor, the biogas energy supply that produced by UASB reactor of temperature raising device in heating; Fully utilize after the marsh gas purifying produced; Sewage after process enters Aerobic Pond.
7) in Aerobic Pond, Air Exposure is carried out to sewage, the sewage after deodorizing and deamination, mix with clear water in mixed filling pond, after mixed water quality reaches GB5084-2005 " agricultural irrigation water quality standard ", can plant husbandry be used in.
8) sewage after the deodorizing of Aerobic Pond back warp and deamination also can enter multi-stage biological purification and store the pool, carry out advanced treatment, after the water quality of the waste water after final process reaches GB5084-2005 " agricultural irrigation water quality standard ", can recharge in plant husbandry, backwash after also caning be passed through sterilizing unit sterilization milking parlour.
The physical and chemical index of the sewage after process:
1. Interventions Requested and method:
Table 1 processes physical and chemical index test item and the method for rear sewage
| Sequence number | Project | Measuring method | Method is originated |
| 1 | Biochemical oxygen demand (BOD) (BOD 5) | Dilution and inoculation method | GB7488－87 |
| 2 | Chemical oxygen demand (COD) (COD cr) | Potassium dichromate process | GB11914－89 |
| 3 | Suspended substance (SS) | Weighting method | GB11901－89 |
| 4 | Ammonia nitrogen (NH3-N) | Reagent colorimetric method | GB7479－87 |
| 5 | Total phosphorus (in P) | Ammonium molybdate spectrophotometric method | GB11893－89 |
| 6 | Excrement colibacillus group number | MTF method | GB5750－85 |
| 7 | Roundworm egg | Tween-80 citrate buffer solution centrifugation Fulleborn's method | GB7959－87 |
| 8 | PH value | Glass electrode method | GB6920－86 |
| 9 | Total nitrogen | Alkaline chitinase clears up ultraviolet spectrophotometry | GB11894-89 |
| 10 | Copper | Atomic absorption spectrophotometry | GB/T 7475-1987 |
| 11 | Zinc | Atomic absorption spectrophotometry | GB/T 7475-1987 |
2. detected result
Will through step 7) namely in Aerobic Pond, Air Exposure is carried out to sewage, the sewage detection physical and chemical index after advanced treatment, final process is carried out on sewage after deodorizing and deamination and the multi-stage biological purification storage pool, and compare with GB GB18596-2001 " livestock and poultry breeding industry pollutant emission standard ", the results are shown in Table 2.
The physical and chemical index detected result of table 2 processed waste water
As can be seen from Table 2, the emission limit of GB18596-2001 " livestock and poultry breeding industry pollutant emission standard " is better than through the physical and chemical index entirety of the diary farm sewage of the inventive method process, in conjunction with the embodiments, illustrate that utilizing method of the present invention can meet 500-3000 head pasture type well does the dirty comprehensive treating process needs of clear excrement diary farm excrement simultaneously.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (10)
1. the dirty integrated conduct method of clear excrement diary farm excrement done by livestock on hand 500-3000 head pasture type, it is characterized in that: comprise the following steps:
1) solid manure of cowshed and playground adopts dry clear excrement art breading, and in described cowshed, ight soil adopts the clear excrement of shovel and scratch board feces cleaning, and described ox playground adopts artificial clear excrement or the clear excrement of machinery;
2) solid manure after process, can be used as fertilizer and directly sells, or as the raw material that secondary resourceization utilizes;
3) milking parlour sewage and treat a small amount of fecaluria in the crowded Room, is transported to grid through covered conduit after collection and filters, and isolated solid enters heap excrement canopy, and sewage enters equalizing tank;
4) cowshed spray-water in summer and ox urine, be transported to after grid filters through covered conduit after collection and flow into equalizing tank;
5) after waste water reaches certain accumulation in pond to be regulated, pumped into solid-liquid separating equipment and carry out solid-liquid separation, isolated solid enters heap excrement canopy, and sewage enters scratch pool;
6) sewage in scratch pool is pumped into anaerobic reactor, carry out anaerobic reaction, to reduce the organic content in sewage; Sewage after process is entered Aerobic Pond; Fully utilize after the marsh gas purifying produced;
7) in Aerobic Pond, Air Exposure is carried out to sewage, the sewage after deodorizing and deamination, for plant husbandry after mixing with clear water in mixed filling pond.
2. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 1 type, it is characterized in that: described step 7) in sewage after the deodorizing of Aerobic Pond back warp and deamination can enter multi-stage biological purification and store the pool, carry out advanced treatment, the waste water after final process can be used for plant husbandry.
3. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 1 or 2 type, it is characterized in that: described step 2) in solid manure after process can be used as fertilizer or the fertile raw material that becomes thoroughly decomposed.
4. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 1 or 2 type, it is characterized in that: described step 2) in solid manure after process can be used as the matrix of vermiculture or breed of edible fungus.
5. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 1 type, it is characterized in that: described step 3) in when wastewater volume in equalizing tank reaches 60%-90% of equalizing tank volume, pumped into solid-liquid separating machine and carried out solid-liquid separation, isolated solid enters heap excrement canopy, and sewage enters scratch pool.
6. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 2 type, it is characterized in that: described step 7) in sewage after the deodorizing of Aerobic Pond back warp and deamination can enter multi-stage biological purification and store the pool, carry out advanced treatment, waste water after final process, part can be used for the milking parlour that backwashes after sterilizing unit sterilization, and remainder can be used in plant husbandry.
7. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 1 or 2 type, it is characterized in that: described step 6) in first the sewage in scratch pool is pumped into and heats between, be heated to 30-40 DEG C, then pump into anaerobic reactor, carry out anaerobic reaction; Described heat between scratch pool and anaerobic reactor, the biogas energy supply that produced by anaerobic reactor of temperature raising device in heating.
8. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 7 type, it is characterized in that: described step 6) in heat in temperature raising device by sun power or conventional energy resources energy supply.
9. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 8 type, it is characterized in that: described step 5) in heating, the pH value of sewage is adjusted to 6.8-8.
10. the dirty integrated conduct method of clear excrement diary farm excrement done by a kind of livestock on hand 500-3000 head pasture as claimed in claim 9 type, it is characterized in that: described step 5) in can adjust the pH value of sewage with liming, plant ash in heating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167309A (en) * | 2016-08-20 | 2016-11-30 | 南方创业（天津）科技发展有限公司 | A kind of feces of farm and sewage pretreatment device |
| CN115028499A (en) * | 2022-07-07 | 2022-09-09 | 内蒙古御谷农牧科技有限公司 | Production technology of organic liquid surface fertilizer after efficient separation treatment of cow dung and urine |
-
2015
- 2015-04-21 CN CN201510191650.3A patent/CN104773923A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167309A (en) * | 2016-08-20 | 2016-11-30 | 南方创业（天津）科技发展有限公司 | A kind of feces of farm and sewage pretreatment device |
| CN115028499A (en) * | 2022-07-07 | 2022-09-09 | 内蒙古御谷农牧科技有限公司 | Production technology of organic liquid surface fertilizer after efficient separation treatment of cow dung and urine |
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Application publication date: 20150715 |