CN107601680A - The dirty method of biofermentation harmless treatment excrement - Google Patents
The dirty method of biofermentation harmless treatment excrement Download PDFInfo
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- CN107601680A CN107601680A CN201710998176.4A CN201710998176A CN107601680A CN 107601680 A CN107601680 A CN 107601680A CN 201710998176 A CN201710998176 A CN 201710998176A CN 107601680 A CN107601680 A CN 107601680A
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- sewage
- biofermentation
- harmless treatment
- fermentation vat
- composite bacteria
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Abstract
The invention discloses a kind of method that biofermentation harmless treatment excrement is dirty, it is related to cultivating farm sewage treatment method field, to solve the problems, such as that existing sewage of farm relies on sewage discharge existing for biogas engineering pretreatment.The present invention utilizes agricultural crop straw and sewage of farm, carbon source and nitrogen source are provided for the breeding of microbial composite bacteria kind, microbial composite bacteria kind dissolves the organic substance in sewage in reproductive process, it is caused hot by the moisture evaporation in sewage in fermentation process, and remaining fermentation raw material be organic fertilizer to the end for fermentation, of the invention pollution-free, zero-emission, ecological, environmental protective.
Description
Technical field
The present invention relates to cultivation factory sewage water treatment method, specifically, it is dirty to be related to a kind of biofermentation harmless treatment excrement
Method.
Background technology
With China's expanding economy, raw swine rearing can close towards scale, intensivization development, such breeding way
Reason utilizes the resources such as feed, labour, machinery, improves the utilization rate of resource, saves labour and feed, meanwhile,
The risk resistivity of pig enterprise can be strengthened, improve piglet survival ratio, improve pork pig speed of weight increment.But intensive, scale
Change pig, the problem of bringing in terms of environment：Excrement, sewage etc. are more caused by pig farm, and cleaning excrement dirt is wasted time and energy, not only
Larger smell can be produced, and bacterium can be multiplied, live pig health is threatened.Therefore, the dirty processing of pig farm excrement threatens
Scale, the development of intensive culture.
For a long time, China is more to scale raising excrement dirty (the application is primarily referred to as sewage) processing is entered using biogas engineering
Row pretreatment, then carries out advanced treating to sewage again, realizes qualified discharge.Handling process facilities and equipment investment is larger, about
35% or so of pig farm gross investment is accounted for, handling process is more complicated, and processing cost is higher, often handles one ton of aquaculture wastewater 15
Member or so.
The content of the invention
To solve the above problems, the present invention provides a kind of and independent of biogas pretreatment, pollution-free, zero-emission, life
The method of the biofermentation harmless treatment excrement dirt of state environmental protection.
The dirty method of biofermentation harmless treatment excrement of the present invention, for the processing of sewage of farm, step is such as
Under：
(1) will be added to after crops stalk crushing in fermentation vat；
(2) microbial composite bacteria kind is added in fermentation vat, the composite bacteria includes bacillus subtilis, natto bud
Spore bacillus and lactic acid bacteria；
(3) sewage of farm is sprayed into fermentation vat, the amount for spraying sewage accounts for the 65-75% of agricultural crop straw gross weight；
Material in fermentation vat is stirred during sewage is sprayed, interval 2-3 hours are stirred to fermentation vat, are fermenting
Cheng Zhong, heat stays in the water evaporation in fermentation vat, other impurities in fermentation vat caused by fermentation；Sprayed again after stirring 1-2 times
Sewage is spilt, repeats said process；Sewage is as a cycle twice for sprinkling, and a cycle was completed in one day, in units of day
Move in circles, after agricultural crop straw is consumed totally, the material retained in fermentation vat is organic fertilizer.
Further, one day described in step (3) is 12 hours or so, and applicant is in actual mechanical process, typically
For water spray on daytime twice, night no longer sprays water, is not stirred for.
Agricultural crop straw provides carbon source for the breeding of microbial composite bacteria kind in the present invention, and organic substance is more in sewage, because
This sewage can provide nitrogen source for the breeding of microbial composite bacteria kind, and caused heat will in microbial composite bacteria kind fermentation process
Moisture evaporation in sewage, the organic substance in sewage are dissolved as nitrogen source in the reproductive process of microbial composite bacteria kind,
And then sewage disposal is clean, organic substance is dissolved in whole process, and moisture is evaporated, do not discharged into environment other into
Point, pollution-free, zero-emission, ecological, environmental protective.
Further, in step (3), agricultural crop straw is depleted in fermentation vat, and tunning is and had in fermentation vat
Machine fertilizer, due to agricultural crop straw can not again for microbial composite bacteria kind growth provides needed for carbon source, therefore, replacing crops straw
Fermented again using the above method after stalk and microbial composite bacteria kind, so move in circles reload processing reach consumption degraded
The purpose of sewage of farm.
Preferably, efficient bacterium quantity is hundred million plants/m of 2-3 in step (2) the microbial composite bacteria kind3, three kinds of strains
Weight is than meeting：Bacillus subtilis：Bafillus natto：Lactic acid bacteria=30-45：15-40：30-45, step (3) is middle to ferment
Condition is：Temperature is 15-35 DEG C, humidity 50-70%, pH=6-8, under the fermentation condition, is advantageous to microbial composite bacteria
The breeding of kind.Bacillus subtilis, subtilin, nystatin isoreactivity material can be produced in reproductive process, to pathogenic bacteria
Or autogenous infection pathogenic bacteria have obvious inhibitory action, and it can significantly improve water quality；Bafillus natto, have compared with
Strong pathogen rejection ability, and multiple protein enzyme can be produced, the complicated carbohydrate in sewage of degrading；Lactic acid bacteria energy
The pH value in fermentation vat is enough adjusted, ensures bacillus subtilis, the activity of bafillus natto.Stirring in fermentation process, it is
The breeding of microbial composite bacteria kind provides oxygen, and when stopping is not stirred, microorganism is compound after oxygen in material is consumed totally
Strain carries out anaerobic fermentation.Anaerobic fermentation can swallow the harmful levels of pathogens in excrement dirt, will be not easy absorbed nutritional ingredient degraded
For small molecule, meanwhile, beneficial bacterium caused by fermentation can suppress the breeding of harmful bacteria, and aerobic fermentation being capable of quick composting excrement
Dirt, the unpleasant peculiar smell in fermentation process is eliminated, release heat is by the moisture evaporation in sewage, while the macromolecular that can also degrade
With kill harmful bacteria, aerobic fermentation and anaerobic fermentation alternately, can be by sewage reclaimed waters on the premise of organic substance is dissolved
Point evaporation, fermentation raw material (being primarily referred to as agricultural crop straw) is decomposed, and then obtain organic fertilizer, especially aerobic fermentation and nothing
The control of aerobe fermentation time, the moisture evaporation in sewage can either be finished in the process gap for spraying sewage twice and (at least steamed
Hair more than 93%), and can ensures the quick breeding of microbial composite bacteria kind.
Preferably, added in step (1) after crops stalk crushing in fermentation vat, the agricultural crop straw length after crushing
For 0.5cm ± 1cm.
Preferably, the addition of step (1) agricultural crop straw meets：It is paved with fermentation vat, step (2) microbial composite bacteria kind
Addition meet：Microbial composite bacteria kind accounts for the 2-3% for adding agricultural crop straw weight, and sewage is sprayed in step (3)
Afterwards, sewage fountain height meets：Raw material in fermentation vat is held, finger webs water outlet.
Preferably, the agricultural crop straw is the mixed of one or more arbitrary proportions in corn stalk, wheat straw or weeds
Compound.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) one-time investment of the present invention is smaller, the construction of cost including fermentation vat, the acquisition of microbial composite bacteria kind and
Sewage spray appliance etc., account for 5% or so of pig farm gross investment；
(2) handling process of the present invention is relatively simple, and processing cost is relatively low, and it is 3 yuan of left sides often to handle one ton of aquaculture wastewater expense
Right (predominantly labour cost and the electricity charge)；
(3) handling process of the present invention is pollution-free, zero-emission, ecological, environmental protective, to environment without any harm；
(4) agricultural crop straw in fermentation vat and microbial composite bacteria kind can recycle 2-3, after 2-3, because of agriculture
The consumption of crop material, the required carbon source of microbial composite bacteria kind growth can not be met, it is necessary to by the raw material in fermentation vat more
Change, and the raw material of fermentation vat can then use as organic fertilizer；
(5) caused biology can kill the pathogenic microorganism and parasitic ovum in point sewage in fermentation process,
Transmission of pathogen approach is cut off, advantageously reduces zoogenetic infection morbidity.
Embodiment
The present invention is further explained with reference to embodiment.
Embodiment 1
The dirty method of biofermentation harmless treatment excrement of the present invention, for the processing of sewage of farm, step is such as
Under：
(1) biofermentation pond, 50 cubic metres/1000 pigs are established according to the scale of plant, the present embodiment is established
50 cubic metres of fermentation vat；Then the crops stalk crushings such as corn stalk, wheat straw, weeds are paved with fermentation into 0.6cm sizes
Pond, agricultural crop straw weight used are 3 tons.
(2) microbial composite bacteria kind is prepared, the microbial composite bacteria kind includes bacillus subtilis, bafillus natto
And lactic acid bacteria, directly use after bacillus subtilis, bafillus natto and lactic acid bacteria purchase, the weight ratio of three kinds of strains
Meet：Bacillus subtilis：Bafillus natto：Lactic acid bacteria=35:30:35, and efficient bacterium number in microbial composite bacteria kind
Measure as 200,000,000 plants/m3；Then take microbial composite bacteria kind 60kg to be added in fermentation vat to stir；
(3) it is 20 DEG C to control temperature in fermentation vat, and humidity is 60% or so, pH=7；Early 6：00 into fermentation vat spray support
A sewage is grown, to the raw material used in holding fermentation vat, finger webs water outlet, now, the sewage of penetrating there are 2.05 tons, sprayed
Material in fermentation vat is stirred during spilling sewage, stops stirring after sprayed；8：When 00, continue to enter fermentation vat
Row stirring, mixing time is 2 hours, then in 12：00 is stirred to fermentation vat again, and mixing time is 1 hour, Ran Houyu
16：00 sprays into 2.05 tons of sewage again, is stirred while sprinkling, 18：Raw material is stirred in 00 pair of fermentation vat, during stirring
Between no longer to do any processing in 1 hour, one day；Second day from 6：00 starts to repeat the operation of first day, repetition in the 3rd day the
The operation of two days, goes round and begins again, and takes out the tunning in fermentation vat after can repeating 2 years half, 2 years half, and can be used as has
Machine Fertilizer application, agricultural crop straw and microbial composite bacteria kind are added into fermentation vat again, repeat the above steps (1), (2) and
(3) handled.
Embodiment 2
The dirty method of biofermentation harmless treatment excrement of the present invention, for the processing of sewage of farm, step is such as
Under：
(1) biofermentation pond, 50 cubic metres/1000 pigs are established according to the scale of plant, the present embodiment is established
50 cubic metres of fermentation vat；Then the crops stalk crushings such as corn stalk, wheat straw, weeds are paved with fermentation into 0.4cm sizes
Pond, agricultural crop straw weight used are 5 tons.
(2) microbial composite bacteria kind is prepared, the microbial composite bacteria kind includes bacillus subtilis, bafillus natto
And lactic acid bacteria, directly use after bacillus subtilis, bafillus natto and lactic acid bacteria purchase, the weight ratio of three kinds of strains
Meet：Bacillus subtilis：Bafillus natto：Lactic acid bacteria=30:30:40, and efficient bacterium number in microbial composite bacteria kind
Measure as 300,000,000 plants/m3；Then take microbial composite bacteria kind 150kg to be added in fermentation vat to stir；
(3) it is 35 DEG C to control temperature in fermentation vat, and humidity is 70% or so, pH=7；Early 6：00 into fermentation vat spray support
A sewage is grown, to the raw material used in holding fermentation vat, finger webs water outlet, now, the sewage of penetrating there are 3.6 tons, sprayed
Material in fermentation vat is stirred during spilling sewage, stops stirring after sprayed；8：When 00, continue to enter fermentation vat
Row stirring, mixing time is 2 hours, then in 11：00 is stirred to fermentation vat again, and mixing time is 2 hours, Ran Houyu
15：00 sprays into 3.6 tons of sewage again, is stirred while sprinkling, 18：Raw material is stirred in 00 pair of fermentation vat, during stirring
Between no longer to do any processing in 2 hours, one day；The operation of repetition first day in second day, the operation of repetition second day in the 3rd day,
Going round and beginning again, (stirring interval time can also be adjusted according to actual conditions certainly, but stirring interval time is usually no more than 3
Hour, not less than 2 hours, mixing time was typically no more than 2 hours no less than 1 hour), will after may be reused 3 years, 3 years
Tunning in fermentation vat takes out, and can be used as organic fertilizer, again the addition agricultural crop straw and micro- into fermentation vat
Biological compound fungi kind, repeat the above steps (1), (2) and (3) handled.
Claims (10)
1. a kind of dirty method of biofermentation harmless treatment excrement, the processing for sewage of farm, it is characterised in that step is such as
Under：
(1) will be added to after crops stalk crushing in fermentation vat；
(2) microbial composite bacteria kind is added in fermentation vat, the composite bacteria includes bacillus subtilis, natto gemma bar
Bacterium and lactic acid bacteria；
(3) sewage of farm is sprayed into fermentation vat, the amount for spraying sewage accounts for the 65-75% of agricultural crop straw gross weight；Spraying
Material in fermentation vat is stirred during spilling sewage, after sending forth be spaced 2-3 hours material in fermentation vat is carried out
Stirring；Sewage is sprayed after stirring 1-2 times again, repeats said process；Sewage exists as a cycle, a cycle twice for sprinkling
Complete in one day, moved in circles in units of day.
2. the dirty method of biofermentation harmless treatment excrement according to claim 1, it is characterised in that in step (3), hair
Agricultural crop straw is depleted in ferment pond, and the material retained in fermentation vat is organic fertilizer, changes agricultural crop straw and microorganism
Continue to ferment after composite bacteria.
3. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that in step (3)
Described one day is 12 hours or so.
4. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that in step (3)
Fermentation condition is：Temperature is 15-35 DEG C, humidity 50-70%, pH=6-8.
5. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that step (1) powder
Agricultural crop straw length after broken is 0.5cm ± 1cm.
6. the dirty method of biofermentation harmless treatment excrement according to claim 5, it is characterised in that step (1) farming
The addition of thing stalk meets：It is paved with fermentation vat.
7. the dirty method of biofermentation harmless treatment excrement according to claim 6, it is characterised in that step (2) micro- life
The addition of thing composite bacteria meets：Microbial composite bacteria kind accounts for the 2-3% for adding agricultural crop straw weight.
8. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that step (2) institute
It is hundred million plants/m of 2-3 to state efficient bacterium quantity in microbial composite bacteria kind3。
9. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that in step (3)
After sewage is sprayed, sewage fountain height meets：Raw material in fermentation vat is held, finger webs water outlet.
10. the dirty method of biofermentation harmless treatment excrement according to claim 1 or 2, it is characterised in that the farming
Thing stalk is the mixture of one or more arbitrary proportions in corn stalk, wheat straw or weeds.
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Citations (7)
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|---|---|---|---|---|
| CN101993182A (en) * | 2010-10-16 | 2011-03-30 | 福建洛东生物技术有限公司 | Livestock and poultry farm dung dirt biological fermentation treatment method and device |
| CN102765863A (en) * | 2012-07-23 | 2012-11-07 | 湖北宏全生物科技有限公司 | Preparation prepared by adopting bacillus amyloliquefaciens for processing excrement in a livestock farm as well as preparation method and processing method thereof |
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| CN205420113U (en) * | 2015-03-19 | 2016-08-03 | 湖南农业大学 | Livestock farm dung disposal system |
| CN106810302A (en) * | 2015-11-27 | 2017-06-09 | 陈德涌 | It is a kind of to cultivate the method that excrement dirt recycling produces organic fertilizer |
| CN107090417A (en) * | 2017-04-26 | 2017-08-25 | 湖南明镜生物科技有限公司 | A kind of process of utilization microbial composite bacteria group degraded livestock and poultry feces |
-
2017
- 2017-10-24 CN CN201710998176.4A patent/CN107601680A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993182A (en) * | 2010-10-16 | 2011-03-30 | 福建洛东生物技术有限公司 | Livestock and poultry farm dung dirt biological fermentation treatment method and device |
| CN102765863A (en) * | 2012-07-23 | 2012-11-07 | 湖北宏全生物科技有限公司 | Preparation prepared by adopting bacillus amyloliquefaciens for processing excrement in a livestock farm as well as preparation method and processing method thereof |
| CN104163501A (en) * | 2014-08-12 | 2014-11-26 | 济南亿安生物研究所 | Method for treating liquid manure by virtue of compound microorganism nest |
| CN205420113U (en) * | 2015-03-19 | 2016-08-03 | 湖南农业大学 | Livestock farm dung disposal system |
| CN105110833A (en) * | 2015-09-22 | 2015-12-02 | 宋春刚 | Harm-less fast fermented bio-organic fertilizer and preparation method thereof |
| CN106810302A (en) * | 2015-11-27 | 2017-06-09 | 陈德涌 | It is a kind of to cultivate the method that excrement dirt recycling produces organic fertilizer |
| CN107090417A (en) * | 2017-04-26 | 2017-08-25 | 湖南明镜生物科技有限公司 | A kind of process of utilization microbial composite bacteria group degraded livestock and poultry feces |
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Application publication date: 20180119 |
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