CN107973508A - A kind of processing system and method using biological heat integrated approach piggery waste - Google Patents
A kind of processing system and method using biological heat integrated approach piggery waste Download PDFInfo
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- CN107973508A CN107973508A CN201710439803.0A CN201710439803A CN107973508A CN 107973508 A CN107973508 A CN 107973508A CN 201710439803 A CN201710439803 A CN 201710439803A CN 107973508 A CN107973508 A CN 107973508A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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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
Abstract
The invention discloses a kind of processing system using biological heat integrated approach piggery waste, include：Homogeneous pond；Aeration tank；The fermentation plant of closed setting, the fermentation plant is interior to be equipped with sewage sump, fermentation tank, turner and spraying machine, and wherein turner is installed at fermentation tank, and spraying machine import is located at sewage sump and spraying machine outlet is at fermentation tank；For material in homogeneous pond to be delivered to aeration tank, aeration intracisternal material is delivered to the conveying equipment of sewage sump.Via present treatment system, pig manure dirt can be converted into solid organic fertilizer, gaseous environmentally friendly gas, particularly product liquid is zero, therefore does not have the discharge of any water containing COD value, or difficult storage, hardly possible utilize, the biogas slurry of difficult transport produces；The generation of the gases such as the hydrogen sulfide, ammonia, methane of the generation of traditional biological method anaerobic fermentation is avoided at the same time, is more conducive to health and environmental protection.The invention discloses a kind of processing method using biological heat integrated approach piggery waste.
Description
Technical field
The present invention relates to a kind for the treatment of for cow manure method, especially a kind of place using biological heat integrated approach piggery waste
Reason method.
It is especially a kind of using biological heat integrated approach piggery waste the invention further relates to a kind for the treatment of for cow manure system
Processing system.
Background technology
Since pork is the main carnivorous composition of compatriots, the country has built the pig farm of many scales.But
The pig manure and sewage produced in the breeding process is not only measured greatly, but also contains substantial amounts of bacterium and organic matter, if dealing with improperly,
Local soil and water source can be given to cause as serious consequence.
At present, pig farm is mainly handled for waste using bioanalysis, which includes：1. Anaerobic Treatment；②
Aerobic Process for Treatment；3. natural ecological treatment three major types.1. Anaerobic Treatment includes：It is thoroughly mixed formula anaerobic reactor (CSTR), anaerobism
Filter tank (AF), Anaerobic Sequencing Bath Reactor (ASBR), anaerobic baffle reactor (ABR), hybrid anaerobic reactor (UBF), upstream
The technologies such as formula anaerobic mud bed (UASB), internal-circulation anaerobic reactor (IC).2. Aerobic Process for Treatment includes：Activated sludge process,
The processes such as contact oxidation method, biological rotating disk, oxidation ditch, sequencing batch reactor (SBR), membrane biological process (MBR).It is 3. naturally raw
State processing includes：Land treatment system, oxidation pond and artificial swamp etc. can be used.Above three classes bioanalysis can all be related to several
Kind processing product：Biogas fermentation produces the excrement slag and sludge produced after biogas residue and biogas liquid, separation of solid and liquid, and difference lies in by not existing together
Reason mode can produce COD COD (Chemical Oxygen Demand) different water of concentration.
Although waste obtains more environmentally friendly biogas slurry, excrement slag and sludge after above-mentioned Biochemical method, existing
Under rural condition, if unordered processing biogas slurry, excrement slag and sludge, still can cause following some defects：
1st, biogas slurry makees fertilizer as a kind of traditional, economic returning to the field, populous according to the fundamental realities of the country in China at present
Land resource and freshwater resources are few, if to reach the comprehensive utilization of biogas slurry resource, it is necessary to meet some following condition：(1) pig
There are enough soils around, because the differentiation of various regions soil, the bearing capacity of soil is different, so irrigation norm is bad
Formulate.(2) the economical transport distance of biogas residue and biogas liquid, by statistics, the economical transport distance of China's pig manure is 13.3km, chicken manure
43.9km, cow dung 5.2km, and large-scale pig farm washing water quantity is about 10 times of pig manure.Therefore, it may be speculated that scale pig
The economical transport distance of biogas residue and biogas liquid is within 2km after the waste Anaerobic Treatment of field.(3) safe storage of biogas residue and biogas liquid, if natural pond
Otherwise liquid cannot will overflow or leakage pollution soil or water body in time using just needing sufficiently large volume.(4) at present, I
State also makees the standard of fertilizer cropland application without formulation biogas residue and biogas liquid, and environmental protection administration often applies mechanically《Agricultural irrigation water quality standard》
(GB5084-2005) requirement of nitrogen, phosphorus index is eliminated, but organic indicator is improved：Make for water, COD<150mg/
L, BOD5<60mg/L；For dry farming, COD<200mg/L, BOD5<100mg/L, the two standard ratios《Livestock and poultry breeding industry pollutant
Discharge standard》(GB18596-2001) requirement is also stringent, and biogas slurry also is difficult to reach these requirements, if can reach these marks
Standard, also just can qualified discharge.Wherein, BOD5 (Biochemical Oxygen Demand) is that one kind is made with microbial metabolism
With the dissolved oxygen content consumed come secondary indication water body by an important indicator of organic pollution degree..
If the unprocessed direct returning to farmland of excrement slag and sludge the 2, produced after separation of solid and liquid can bring stink, infect disease pest
Evil, make soil Anoxia acidification so as to welding and the health of the mankind.
3rd, the water separated is because the Different Effects biogas slurry attenuation degree in season, be easy to cause water body COD discharge standards
It is not up to standard.
In addition, compost carbon-nitrogen ratio table belongs to common knowledge, it is used widely in this area, wherein rice hulls
Middle carbon content is 41.64%, nitrogen content 0.64%, carbon-nitrogen ratio 65.06:1；Carbon content is 49.18% in sawdust powder, and nitrogen contains
Measure as 0.10%, carbon-nitrogen ratio 491.8:1；Carbon content is 15% in pig manure, and nitrogen content is about 0.5%, carbon-nitrogen ratio 30:1.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides the liquid production after a kind of heat treatment waste using biology
Thing so that product liquid discharge is zero, while handles the solid product after waste and gaseous product is all more environmentally-friendly, economic benefit
The processing system of the piggery waste of higher.
The technical solution adopted by the present invention to solve the technical problems is：One kind utilizes biological heat integrated approach pig farm excrement
Dirty processing system, includes：
The homogeneous pond of mixing plant is installed；
Aeration tank, the air feed equipment for supplying oxygen aeration into aeration tank is provided with the aeration tank；
The fermentation plant of closed setting, the fermentation plant is interior to be equipped with sewage sump, fermentation tank, turner and spraying machine, wherein
Turner is installed at fermentation tank and turns over throwing for material in fermentation tank, and spraying machine import is located at sewage sump and spraying machine
Outlet is at fermentation tank；
For material in homogeneous pond to be delivered to aeration tank, aeration intracisternal material is delivered to the conveying equipment of sewage sump.
The beneficial effects of the invention are as follows：Excrement and urine are stirred evenly by homogeneous pond；Then in aeration tank to waste
Carry out oxygen supply aeration so that waste mixture cannot carry out anaerobic fermentation, avoid the consumption of organic nutrient substance in waste, and cause
Waste forms the atherosclerotic mixture of homogeneous；Then atherosclerotic mixture is delivered to sewage sump for using, and is filled out in fermentation tank
Bedding and padding and high temperature resistant bacillus subtilis are filled, atherosclerotic mixture is added in fermentation tank and mixed by spraying machine afterwards；When
When temperature rises to certain value in fermentation tank, bedding and padding in fermentation tank are carried out by turner to turn over throwing.In fermentation process, high temperature resistant
Bacillus subtilis fermentation when produce substantial amounts of biological heat, by biological heat slowly evaporate fermentation caused by moisture and
The moisture of atherosclerotic mixture itself institute band；Nitrogen is consumed by fermenting at the same time, so that waste obtains biodegradation, is obtained
Semi-finished product organic fertilizer containing N, S, P；The gas produced in fermentation process is the synthesis based on carbon dioxide, vapor and nitrogen
Gas, can be directly discharged into air.Via present treatment system, pig manure dirt can be converted into solid organic fertilizer, gaseous ring
Gas is protected, particularly product liquid is zero, therefore does not have the discharge of any water containing COD value, or difficult storage, hardly possible utilize, difficult fortune
Defeated biogas slurry produces；The generation of the gases such as the hydrogen sulfide, ammonia, methane of the generation of traditional biological method anaerobic fermentation is avoided at the same time,
It is more conducive to health and environmental protection.
It is further arranged to：The conveying equipment is sludge immersible pump.Contain the debris such as pig hair, husk in waste, and it is dirty
Mud immersible pump contributes to the conveying of waste, efficient, and conveying is quick.
It is further arranged to：The air feed equipment is air compressor or air blower.
It is further arranged to：Exhaust outlet is equipped with the fermentation plant, which is provided with dustproof filtering device, should
Dustproof filtering device is the active carbon layer for being installed on exhaust ports.Substantial amounts of dust can be produced by turning over during throwing, and activated carbon energy
These dust are effectively adsorbed, so that discharge gas avoids pollution；And the gas Jing Guo dust removal process in line can then arrive
In environment, environment is not polluted.
After spraying waste in fermentation tank, excessive moisture can adversely affect fermentation process in waste.Therefore,
Processing system has further included backflow pool, and reflux pump is provided with backflow pool, which extends to dirt collection by pipeline
Groove；Infiltration plate is also provided with the fermentation tank, some permeability holes are offered on the infiltration plate, the slot bottom of the fermentation tank is slope
Structure, the lowest point of the ramp structure are connected between backflow pool by return flow line.Bedding and padding are layed on infiltration plate, excessive
Moisture can be dripped at fermentation tank ramp structure by permeability hole, then enter backflow pool via return flow line, via reflux pump
Into sewage sump, recycled so as to play, avoid the accumulation of excess moisture, and secondary pollution will not be caused, be conducive to
Raw material makes full use of.Wherein, processing system further includes the air blower for being supplied into fermentation tank.
For overcome the deficiencies in the prior art, the present invention provides the liquid production after a kind of heat treatment waste using biology
Thing so that product liquid discharge is zero, while handles the solid product after waste and gaseous product is all more environmentally-friendly, economic benefit
The processing method of the piggery waste of higher.
The technical solution adopted by the present invention to solve the technical problems is：One kind utilizes biological heat integrated approach pig farm excrement
Dirty processing method, it is characterized in that, include following steps：
1) piggery waste is placed in homogeneous pond, mixing is stirred by mixing plant, and obtain uniform homogeneous blend；
2) uniform homogeneous blend is transported in aeration tank, by supplying oxygen aeration more than 3h into aeration tank, mixes homogeneous
Thing forms atherosclerotic mixture, and the atherosclerotic mixture is delivered to sewage sump；
3)
1. adding bedding and padding in fermentation tank to 1.1~1.5m height, which is the rice hulls containing nature moisture, sawdust
Powder mixes, and by weight percentage, rice hulls are 70~80%, and sawdust powder is 20~30%；
2. the atherosclerotic mixture in sewage sump is uniformly sprayed on the bedding and padding of fermentation tank, adjusting moisture in bedding and padding is
Between 45%~65%, and carry out pre fermentation；
3. during pre fermentation, when bedding and padding temperature rises to more than 50 DEG C, high temperature resistant withered grass bud is added into fermentation tank
Spore bacillus and corn powder carrier, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 500g high temperature resistant withered grass gemma
Bacillus, every cubic metre of bedding and padding add 5000g corn powder carriers；
4. when bedding and padding temperature rises to more than 60 DEG C, bedding and padding are carried out with turner to turn over throwing, so as to bedding and padding internal gas
Volatilization, turn over for the first time throw 48h in, if humidity less than 45% or temperature be less than 55 DEG C when, pause turn over throwing；
5. after turning over throw 48h for the first time, when bedding and padding temperature rises to more than 60 degree, into fermentation tank, sprinkling atherosclerotic mixes
Thing, for additive amount using bedding and padding volume as standard, the fountain heights of every cubic metre of bedding and padding is the atherosclerotic mixture of 20kg, when sprinkling 2 is small after
Carry out turning over throwing.
The beneficial effects of the invention are as follows：Excrement and urine are stirred evenly by homogeneous pond；Then in aeration tank to waste
Carry out oxygen supply aeration so that waste mixture cannot carry out anaerobic fermentation, avoid the consumption of organic nutrient substance in waste, and cause
Waste forms the atherosclerotic mixture of homogeneous；Then atherosclerotic mixture is delivered to sewage sump for using, and is filled out in fermentation tank
Bedding and padding and high temperature resistant bacillus subtilis are filled, atherosclerotic mixture is added in fermentation tank and mixed by spraying machine afterwards；When
When temperature rises to certain value in fermentation tank, bedding and padding in fermentation tank are carried out by turner to turn over throwing.In fermentation process, high temperature resistant
Bacillus subtilis fermentation when produce substantial amounts of biological heat, by biological heat slowly evaporate fermentation caused by moisture and
The moisture of atherosclerotic mixture itself institute band；Nitrogen is consumed by fermenting at the same time, so that waste obtains biodegradation, is obtained
Semi-finished product organic fertilizer containing N, S, P；The gas produced in fermentation process is the synthesis based on carbon dioxide, vapor and nitrogen
Gas, can be directly discharged into air.Via present treatment system, has the following advantages：1st, pig manure dirt can be converted into solid
Organic fertilizer, gaseous environmentally friendly gas, particularly product liquid is zero, therefore does not have the discharge of any water containing COD value, or difficult storage
Deposit, hardly possible utilizes, the biogas slurry of difficult transport produces；2nd, the fixation product after biology heat treatment waste for the powdery containing N, S, P half into
Product organic fertilizer (moisture is 40~45%).At this time, product and be dampness after semi-finished product organic fertilizer mainly reacts,
But be not in situation about dripping, while organic matter is obtained for effective decomposition.), it is dehydrated relative to traditional biological method
Excrement slag afterwards is more convenient for directly utilizing without any stink；3rd, other wastes of waste are steamed with carbon dioxide, water after biology heat treatment
Based on gas and nitrogen, the generation of the gases such as the hydrogen sulfide, ammonia, methane of the generation of traditional biological method anaerobic fermentation is avoided, more
Be conducive to health and environmental protection；4th, because can efficient organic fertilizer that directly production department can comprehensively utilize, it is therefore biological
The economic benefit for being heat-treated waste is more prominent relative to traditional bioanalysis.
It is further arranged to：Step 5. in, turn over throwing after be left to ferment, second day repeat step is 5..It can ensure to waste
Continuation processing, improve treatment for cow manure ability.
It is further arranged to：High temperature resistant bacillus subtilis is supplemented into fermentation tank within every 30 days, additive amount is with bedding and padding volume
For standard, every cubic metre of bedding and padding add 40~60g high temperature resistant bacillus subtilises, per the addition of 300g high temperature resistants bacillus subtilis
4000~6000g corn powder carriers.High temperature resistant bacillus subtilis and corn powder carrier are supplemented according to Expenditure Levels so that processing
Effect optimizes.
It is further arranged to：Step 5. in, if bedding and padding are highly less than 1.1m, according to carbon-nitrogen ratio supplement bedding and padding to 1.1~
1.5m height, and the carbon-nitrogen ratio after supplement is 20：1~35：In the range of 1.Bedding and padding are supplemented according to Expenditure Levels so that treatment effect
Optimize.
Brief description of the drawings
Fig. 1 is the structure diagram of processing system of the embodiment of the present invention.
Fig. 2 is the structure diagram of fermentation plant of the embodiment of the present invention.
Fig. 3 is the structure diagram of fermentation tank of the embodiment of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：As shown in Figure 1, 2, 3, the present embodiment includes the fermenting vehicle in homogeneous pond 1, aeration tank 2 and closed setting
Between 3, mixer 11 is wherein installed in homogeneous pond 1, the air blast for supplying oxygen aeration into aeration tank 2 is installed in aeration tank 2
Machine 21, is equipped with sewage sump 31, fermentation tank 32, turner 34 and spraying machine 34, wherein turner 34 is installed in fermentation plant 3
Throwing is turned at fermentation tank 32 and for material in fermentation tank 32,34 import of spraying machine is located at sewage sump 31 and spraying machine 34 goes out
Mouth is at fermentation tank 32.Conveying equipment is equipped between homogeneous pond 1 and aeration tank 2, aeration tank 2 and sewage sump 31, which sets
Standby is sludge immersible pump 4, and the uniform homogeneous blend in homogeneous pond is delivered to aeration tank 2 by sludge immersible pump 4, and by aeration tank
Atherosclerotic mixture in 2 is delivered in sewage sump 31.Exhaust outlet 35 is equipped with fermentation plant 3, is provided with the exhaust outlet 35 anti-
Dirt filtration apparatus, the dustproof filtering device are the active carbon layer for being installed on exhaust ports, and exhaust outlet 35 is completely covered in active carbon layer,
And active carbon layer is located between two symmetrically arranged stainless (steel) wires.Meanwhile exhaust ventilation machine is also equipped with exhaust outlet 35
(not shown), the exhaust ventilation machine are used for the outer row of integrated gas in fermentation plant 3, and extract external oxygen and enter fermenting vehicle
Between in 3.
After sprinkling waste in fermentation tank 32, excessive moisture can adversely affect fermentation process in waste.Cause
This, the present embodiment has further included backflow pool 36 and air blower 37, and reflux pump (not shown) is provided with backflow pool 36, the reflux pump
Delivery outlet extends to sewage sump 31 by pipeline.Infiltration plate 38 is also provided with fermentation tank 32, if being offered on the infiltration plate 38
Dry permeability hole, the slot bottom of the fermentation tank 32 is ramp structure, logical by flowing back between the lowest point of the ramp structure and backflow pool 36
Road is connected.Air blower 37 is used to supply into fermentation tank 32, ensures there is the oxygen of abundance in fermentation tank 32, avoids microorganism from sending out
Raw anaerobic reaction；Reflux pump is sludge immersible pump.Bedding and padding are layed on infiltration plate 38, and excessive moisture can be dripped by permeability hole
At 32 ramp structure of fermentation tank, then enter backflow pool 36 via return flow line, enter sewage sump 31 via reflux pump, so that
Play and recycle, avoid the accumulation of excess moisture, and secondary pollution will not be caused, be conducive to making full use of for raw material.
In the present invention, excrement and urine are stirred evenly by homogeneous pond 1；Then waste is supplied oxygen in aeration tank 2
Aeration so that waste mixture cannot carry out anaerobic fermentation, avoid the consumption of organic nutrient substance in waste, and waste is formed
The atherosclerotic mixture of homogeneous；Then atherosclerotic mixture is delivered to sewage sump 31 for using, and the fill-in pad in fermentation tank 32
Material and high temperature resistant bacillus subtilis, atherosclerotic mixture afterwards be added in fermentation tank 32 and mixed by spraying machine 33；When
When temperature rises to certain value in fermentation tank 32, bedding and padding in fermentation tank 32 are carried out turning over throwing by turner 34.In fermentation process,
High temperature resistant bacillus subtilis produces substantial amounts of biological heat in fermentation, and water caused by fermentation is slowly evaporated by biological heat
Point and atherosclerotic mixture itself institute band moisture；Nitrogen is consumed by fermenting at the same time, so that waste obtains biological drop
Solution, obtains the semi-finished product organic fertilizer containing N, S, P；The gas produced in fermentation process be using carbon dioxide, vapor and nitrogen as
Main integrated gas, can be directly discharged into air.Via present treatment system, pig manure dirt can be converted into solid organic fertilizer,
Gaseous environmental protection gas, particularly product liquid is zero, therefore does not have the discharge of any water containing COD value, or difficult storage, difficult profit
Produced with the biogas slurry of, difficult transport；The gases such as the hydrogen sulfide, ammonia, methane of the generation of traditional biological method anaerobic fermentation are avoided at the same time
Generation, be more conducive to health and environmental protection.
Embodiment two：The present embodiment comprises the following steps：
1) piggery waste is placed in homogeneous pond 1, mixing is stirred by mixer 11, and obtain uniform homogeneous blend；
2) uniform homogeneous blend is transported in aeration tank 2, by supplying oxygen aeration more than 3h into aeration tank 2, mixes homogeneous
Compound forms atherosclerotic mixture, and the atherosclerotic mixture is delivered to sewage sump 31；
3)
1. addition bedding and padding are to 1.5m height in fermentation tank 32, which is the rice hulls containing nature moisture, sawdust powder
Mix, by weight percentage, rice hulls 70%, sawdust powder 30%；
2. the atherosclerotic mixture in sewage sump 31 is uniformly sprayed on the bedding and padding of fermentation tank 32, adjusts moisture in bedding and padding and contain
Measure as between 45%, and carry out pre fermentation；
3. during pre fermentation, when bedding and padding temperature rises to more than 50 DEG C, high temperature resistant withered grass is added into fermentation tank 32
Bacillus and corn powder carrier, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 500g high temperature resistant withered grass buds
Spore bacillus, every cubic metre of bedding and padding add 5000g corn powder carriers；
4. when bedding and padding temperature rises to more than 60 DEG C, bedding and padding are carried out with turner 34 to turn over throwing, so as to bedding and padding internal gas
Volatilization, turn over for the first time throw 48h in, if humidity less than 45% or temperature be less than 55 DEG C when, pause turn over throwing；
5. after turning over throw 48h for the first time, when bedding and padding temperature rises to more than 60 degree, into fermentation tank 32, sprinkling atherosclerotic is mixed
Compound, for additive amount using bedding and padding volume as standard, the fountain height of every cubic metre of bedding and padding is the atherosclerotic mixture of 20kg, when sprinkling 2 is small
After carry out turning over throwing.
Wherein, step 5. in, turn over throwing after be left to ferment, second day repeat step is 5..And every 30 days mend into fermentation tank 32
High temperature resistant bacillus subtilis is filled, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 40g high temperature resistant withered grass gemma
Bacillus, per 300g high temperature resistants bacillus subtilis addition 4000g corn powder carriers.High temperature resistant withered grass bud is supplemented according to Expenditure Levels
Spore bacillus and corn powder carrier so that treatment effect optimizes.
Step 5. in, if bedding and padding are highly less than 1.1m, according to carbon-nitrogen ratio supplement bedding and padding to 1.5m height, and supplement after
Carbon-nitrogen ratio is 20：In the range of 1.Bedding and padding are supplemented according to Expenditure Levels so that treatment effect optimizes.According to compost carbon-nitrogen ratio
Carbon content is 41.64% in table, wherein rice hulls, nitrogen content 0.64%；Carbon content is 49.18% in sawdust powder, nitrogen content
For 0.10%；Carbon content is 15% in pig manure, nitrogen content 0.5%.
It is especially noted that 5. step is cyclically charging fully to decompose waste and bedding and padding, until waste and
Bedding and padding decompose after product accumulation to 1.5m, and after decomposing product moisture close to 40~45% when, stop circulation, this
When, product is dampness after mainly reacting, but has been not in situation about dripping, while organic matter has been obtained for
Effect is decomposed.
In the present invention, excrement and urine are stirred evenly by homogeneous pond 1；Then waste is supplied oxygen in aeration tank 2
Aeration so that waste mixture cannot carry out anaerobic fermentation, avoid the consumption of organic nutrient substance in waste, and waste is formed
The atherosclerotic mixture of homogeneous；Then atherosclerotic mixture is delivered to sewage sump 31 for using, and the fill-in pad in fermentation tank 32
Material and high temperature resistant bacillus subtilis, atherosclerotic mixture afterwards be added in fermentation tank 32 and mixed by spraying machine 33；When
When temperature rises to certain value in fermentation tank 32, bedding and padding in fermentation tank 32 are carried out turning over throwing by turner 34.In fermentation process,
High temperature resistant bacillus subtilis produces substantial amounts of biological heat in fermentation, and water caused by fermentation is slowly evaporated by biological heat
Point and atherosclerotic mixture itself institute band moisture, the moistures of semi-finished product is 45~50%, in this content, is mainly reacted
Product is dampness afterwards, but has been not in situation about dripping, while organic matter is obtained for effective decomposition.Lead at the same time
Everfermentation consumes nitrogen, so that waste obtains biodegradation, obtains the semi-finished product organic fertilizer containing N, S, P；Fermentation process
The gas of middle generation is the integrated gas based on carbon dioxide, vapor and nitrogen, can be directly discharged into air.
By the dynamic aerobic fermentation process of more than 12 months, fermentation bedding and padding by the degraded of high temperature resistant bacillus subtilis and
Convert, organic substance is completely degraded in bedding and padding, produces carbon dioxide, water, and producing substantial amounts of heat waves the gas of generation
It is sent in air, carbon material is mainly that microbial activities provides the energy and carbon source in the bedding and padding that ferment, and the organic matter in pig manure is
Microorganism provides nitrogen source, constantly the carbon-nitrogen ratio of adjustment fermentation bedding and padding and waste mixture so that carbon-nitrogen ratio is maintained at (20：1~
35：1) fluctuated between, allow the profitable strain based on high temperature resistant bacillus subtilis to fully play microbiological deterioration, make excrement
Organic matter in dirt carries out metabolism and Mineralization.In the continuous degraded of organic matter and the continuous accumulation of mineral matter
In, bedding and padding raw material gap is less and less, it is impossible to is carrying out high-temperature aerobic fermentation evaporation moisture, is stopping spraying on bedding and padding fresh
Waste, at this time bedding and padding waste mixed fermentation thing be formed as below temperature 45 C, humidity powdered humus between 40-45% is
For semi-finished product organic fertilizer, by the cooling down of organic fertilizer workshop, dry, the adjusting such as trace element and N, P is organic fertilizer.
Embodiment three：The present embodiment comprises the following steps：
1) piggery waste is placed in homogeneous pond 1, mixing is stirred by mixer 11, and obtain uniform homogeneous blend；
2) uniform homogeneous blend is transported in aeration tank 2, by supplying oxygen aeration more than 3h into aeration tank 2, mixes homogeneous
Compound forms atherosclerotic mixture, and the atherosclerotic mixture is delivered to sewage sump 31；
3)
1. addition bedding and padding are to 1.5m height in fermentation tank 32, which is the rice hulls containing nature moisture, sawdust powder
Mix, by weight percentage, rice hulls 75%, sawdust powder 25%；
2. the atherosclerotic mixture in sewage sump 31 is uniformly sprayed on the bedding and padding of fermentation tank 32, adjusts moisture in bedding and padding and contain
Measure as between 50%, and carry out pre fermentation；
3. during pre fermentation, when bedding and padding temperature rises to more than 50 DEG C, high temperature resistant withered grass is added into fermentation tank 32
Bacillus and corn powder carrier, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 500g high temperature resistant withered grass buds
Spore bacillus, every cubic metre of bedding and padding add 5000g corn powder carriers；
4. when bedding and padding temperature rises to more than 60 DEG C, bedding and padding are carried out with turner 34 to turn over throwing, so as to bedding and padding internal gas
Volatilization, turn over for the first time throw 48h in, if humidity less than 45% or temperature be less than 55 DEG C when, pause turn over throwing；
5. after turning over throw 48h for the first time, when bedding and padding temperature rises to more than 60 degree, into fermentation tank 32, sprinkling atherosclerotic is mixed
Compound, for additive amount using bedding and padding volume as standard, the fountain height of every cubic metre of bedding and padding is the atherosclerotic mixture of 20kg, when sprinkling 2 is small
After carry out turning over throwing.
Wherein, step 5. in, turn over throwing after be left to ferment, second day repeat step is 5..And every 30 days mend into fermentation tank 32
High temperature resistant bacillus subtilis is filled, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 50g high temperature resistant withered grass gemma
Bacillus, per 300g high temperature resistants bacillus subtilis addition 5000g corn powder carriers.High temperature resistant withered grass bud is supplemented according to Expenditure Levels
Spore bacillus and corn powder carrier so that treatment effect optimizes.
Step 5. in, if bedding and padding are highly less than 1.1m, according to carbon-nitrogen ratio supplement bedding and padding to 1.5m height, and supplement after
Carbon-nitrogen ratio is 35：In the range of 1.Bedding and padding are supplemented according to Expenditure Levels so that treatment effect optimizes.
Example IV：The present embodiment comprises the following steps：
1) piggery waste is placed in homogeneous pond 1, mixing is stirred by mixer 11, and obtain uniform homogeneous blend；
2) uniform homogeneous blend is transported in aeration tank 2, by supplying oxygen aeration more than 3h into aeration tank 2, mixes homogeneous
Compound forms atherosclerotic mixture, and the atherosclerotic mixture is delivered to sewage sump 31；
3)
1. addition bedding and padding are to 1.5m height in fermentation tank 32, which is the rice hulls containing nature moisture, sawdust powder
Mix, by weight percentage, rice hulls 80%, sawdust powder 20%；
2. the atherosclerotic mixture in sewage sump 31 is uniformly sprayed on the bedding and padding of fermentation tank 32, adjusts moisture in bedding and padding and contain
Measure as between 65%, and carry out pre fermentation；
3. during pre fermentation, when bedding and padding temperature rises to more than 50 DEG C, high temperature resistant withered grass is added into fermentation tank 32
Bacillus and corn powder carrier, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 500g high temperature resistant withered grass buds
Spore bacillus, every cubic metre of bedding and padding add 5000g corn powder carriers；
4. when bedding and padding temperature rises to more than 60 DEG C, bedding and padding are carried out with turner 34 to turn over throwing, so as to bedding and padding internal gas
Volatilization, turn over for the first time throw 48h in, if humidity less than 45% or temperature be less than 55 DEG C when, pause turn over throwing；
5. after turning over throw 48h for the first time, when bedding and padding temperature rises to more than 60 degree, into fermentation tank 32, sprinkling atherosclerotic is mixed
Compound, for additive amount using bedding and padding volume as standard, the fountain height of every cubic metre of bedding and padding is the atherosclerotic mixture of 20kg, when sprinkling 2 is small
After carry out turning over throwing.
Wherein, step 5. in, turn over throwing after be left to ferment, second day repeat step is 5..And every 30 days mend into fermentation tank 32
High temperature resistant bacillus subtilis is filled, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 50g high temperature resistant withered grass gemma
Bacillus, per 300g high temperature resistants bacillus subtilis addition 6000g corn powder carriers.High temperature resistant withered grass bud is supplemented according to Expenditure Levels
Spore bacillus and corn powder carrier so that treatment effect optimizes.
Step 5. in, if bedding and padding are highly less than 1.1m, according to carbon-nitrogen ratio supplement bedding and padding to 1.5m height, and supplement after
Carbon-nitrogen ratio is 30：In the range of 1.Bedding and padding are supplemented according to Expenditure Levels so that treatment effect optimizes.
In embodiment two to four, the measurement position of temperature and humidity, the position for being 40cm below bedding and padding upper surface is standard.
In rice hulls containing natural moisture, moisture is 12~20%；And in fermentation process, moisture is handled when being 60~70%
Ability is optimal；After fermentation, in the semi-finished product that moisture evaporation obtains, then the moisture of semi-finished product is 45~50%, this contains
In amount, product is dampness after mainly reacting, but has been not in situation about dripping, while organic matter is obtained for
Effectively decompose..Normal working temperature is more than 60 DEG C；If originally temperature is less than 50 DEG C, it should raw material is supplemented, so as to maintain to send out
Ferment is normally carried out.
Claims (10)
1. a kind of processing system using biological heat integrated approach piggery waste, it is characterized in that, include：
The homogeneous pond of mixing plant is installed；
Aeration tank, the air feed equipment for supplying oxygen aeration into aeration tank is provided with the aeration tank；
The fermentation plant of closed setting, the fermentation plant is interior to be equipped with sewage sump, fermentation tank, turner and spraying machine, wherein turning over throwing
Machine is installed at fermentation tank and turns over throwings for material in fermentation tank, and spraying machine import is located at sewage sump and spraying machine outlet
At fermentation tank；
For material in homogeneous pond to be delivered to aeration tank, aeration intracisternal material is delivered to the conveying equipment of sewage sump.
2. the processing system according to claim 1 using biological heat integrated approach piggery waste, it is characterized in that：It is described
Conveying equipment is sludge immersible pump.
3. the processing system according to claim 1 using biological heat integrated approach piggery waste, it is characterized in that：It is described
Air feed equipment is air compressor or air blower.
4. the processing system according to claim 1 using biological heat integrated approach piggery waste, it is characterized in that：It is described
Exhaust outlet is equipped with fermentation plant, which is provided with dustproof filtering device, which is to be installed on exhaust
Active carbon layer at mouthful.
5. the processing system according to claim 1 using biological heat integrated approach piggery waste, it is characterized in that, also wrap
Backflow pool has been included, reflux pump is installed in backflow pool, which extends to sewage sump by pipeline；The fermentation tank
Place is also provided with infiltration plate, some permeability holes is offered on the infiltration plate, the slot bottom of the fermentation tank is ramp structure, which ties
The lowest point of structure is connected between backflow pool by return flow line.
6. the processing system of biological heat integrated approach piggery waste is utilized according to claim 1 or 5, it is characterized in that：
Further include the air blower for being supplied into fermentation tank.
7. a kind of processing method using biological heat integrated approach piggery waste, it is characterized in that, include following steps：
1) piggery waste is placed in homogeneous pond, mixing is stirred by mixing plant, and obtain uniform homogeneous blend；
2) uniform homogeneous blend is transported in aeration tank, by supplying oxygen aeration more than 3h into aeration tank, makes uniform homogeneous blend shape
Sewage sump is delivered into atherosclerotic mixture, and by the atherosclerotic mixture；
3)
1. adding bedding and padding in fermentation tank to 1.1~1.5m height, which is the rice hulls containing nature moisture, sawdust powder is mixed
Conjunction forms, and by weight percentage, rice hulls are 70~80%, and sawdust powder is 20~30%；
2. the atherosclerotic mixture in sewage sump is uniformly sprayed on the bedding and padding of fermentation tank, it is 45% to adjust moisture in bedding and padding
Between~65%, and carry out pre fermentation；
3. during pre fermentation, when bedding and padding temperature rises to more than 50 DEG C, high temperature resistant bacillus subtilis is added into fermentation tank
Bacterium and corn powder carrier, for additive amount using bedding and padding volume as standard, every cubic metre of bedding and padding add 500g high temperature resistant bacillus subtilises,
Every cubic metre of bedding and padding add 5000g corn powder carriers；
4. when bedding and padding temperature rises to more than 60 DEG C, bedding and padding are carried out with turner to turn over throwing, so as to the volatilization of bedding and padding internal gas,
For the first time turn over throw 48h in, if humidity less than 45% or temperature be less than 55 DEG C when, pause turn over throwing；
5. after turning over throw 48h for the first time, when bedding and padding temperature rises to more than 60 degree, atherosclerotic mixture is sprayed into fermentation tank,
For additive amount using bedding and padding volume as standard, the fountain heights of every cubic metre of bedding and padding is the atherosclerotic mixture of 20kg, when sprinkling 2 is small after carry out
Turn over throwing.
8. the processing method according to claim 7 using biological heat integrated approach piggery waste, it is characterized in that：Step
5. in, it is left to ferment after turning over throwing, second day repeat step is 5..
9. the processing method according to claim 7 using biological heat integrated approach piggery waste, it is characterized in that：Every 30
It supplements high temperature resistant bacillus subtilis into fermentation tank, and additive amount is using bedding and padding volume as standard, every cubic metre of bedding and padding addition 40
~60g high temperature resistant bacillus subtilises, per 300g high temperature resistants bacillus subtilis addition 4000~6000g corn powder carriers.
10. the processing method according to claim 7 using biological heat integrated approach piggery waste, it is characterized in that：Step
Suddenly 5. in, if bedding and padding highly be less than 1.1m, according to carbon-nitrogen ratio supplement bedding and padding to 1.1~1.5m highly, and supplement after carbon nitrogen
Than 20：1~35：In the range of 1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066195A (en) * | 2019-04-23 | 2019-07-30 | 宁夏顺宝现代农业股份有限公司 | A kind of preparation method using chicken manure fermenting solid organic fertilizer |
| CN111802259A (en) * | 2020-07-14 | 2020-10-23 | 农业农村部规划设计研究院 | System and method for processing fermentation padding of dairy farm excrement |
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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 |
| CN204689907U (en) * | 2015-03-30 | 2015-10-07 | 黄振岭 | A kind of pretreated precipitation of organic fertilizer that is used for divides fermentation flume structure |
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- 2017-06-12 CN CN201710439803.0A patent/CN107973508A/en active Pending
Patent Citations (2)
| 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 |
| CN204689907U (en) * | 2015-03-30 | 2015-10-07 | 黄振岭 | A kind of pretreated precipitation of organic fertilizer that is used for divides fermentation flume structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066195A (en) * | 2019-04-23 | 2019-07-30 | 宁夏顺宝现代农业股份有限公司 | A kind of preparation method using chicken manure fermenting solid organic fertilizer |
| CN111802259A (en) * | 2020-07-14 | 2020-10-23 | 农业农村部规划设计研究院 | System and method for processing fermentation padding of dairy farm excrement |
| CN111802259B (en) * | 2020-07-14 | 2022-03-22 | 农业农村部规划设计研究院 | System and method for processing fermentation padding of dairy farm excrement |
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