CN110128181A - A kind of production method and process units of the phycomycete fertilizer based on biogas slurry - Google Patents
A kind of production method and process units of the phycomycete fertilizer based on biogas slurry Download PDFInfo
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- CN110128181A CN110128181A CN201910517208.3A CN201910517208A CN110128181A CN 110128181 A CN110128181 A CN 110128181A CN 201910517208 A CN201910517208 A CN 201910517208A CN 110128181 A CN110128181 A CN 110128181A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic 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
- C05F17/90—Apparatus therefor
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- 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
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- 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
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Abstract
The invention belongs to biogas slurry fermentation technical fields, disclose a kind of process units of phycomycete fertilizer based on biogas slurry, comprising: anaerobic chamber is inside rotatably provided with stirrer paddle；Aerobic culturing room, aerobic culturing room side upper end are equipped with the first biogas slurry import；Illumination cultivation room, structure in a ring, and it is co-axially located at the outside of aerobic culturing room；And baffle plate, the lateral wall connection of the upper end and anaerobic chamber, lower end is bent towards anaerobic chamber；Wherein, the upper end of anaerobic chamber is equipped with the second biogas slurry import；Anaerobic chamber and illumination cultivation room are connected to by clarified solution discharge nozzle.The invention also discloses the production methods that the process units using a kind of above-mentioned phycomycete fertilizer based on biogas slurry is produced, it is biogas slurry fertilizer of the fermentation raw material continuous production containing profitable probliotics and nutrient using biogas slurry, and chlorella or photosynthetic bacteria are further cultivated using the nutriment in clarified solution, realize the maximization of biogas slurry utility value.
Description
Technical field
The invention belongs to biogas slurry fermentation technical fields, and in particular to a kind of production method of the phycomycete fertilizer based on biogas slurry and
Process units.
Background technique
A large amount of waste water that fast development and scale, intensive livestock and poultry breeding industry are concentrated, high concentration discharge and natural pond
Liquid is a very important important pollution sources to environment.
Livestock and poultry cultivation waste is three high waste water of a kind of high COD, high suspended matter, high ammonia nitrogen, and China, which mainly promotes, at present is
The biogas energyization of livestock and poultry feces utilizes the biogas slurry of technology production, achieves good effect in terms of reducing livestock and poultry feces COD
Fruit, most carbonaceous organic material is converted into biogas in waste after anaerobic fermentation, but nitrogenous, sulfurous organic compound directly turns
Ammonia nitrogen, hydrogen sulfide or other nitrogenous reductive organic matters are turned to, there is very big pungent odour, influence what peasant directly used
Enthusiasm.
In the prior art, usually biogas slurry is utilized directly as fertilizer, the relatively low (total nutrients such as N, P, K of nutrient content
< 0.4%).Since, containing the salinity of a certain amount, continuous administration biogas slurry will lead to soil hardening, and the crops have failed, therefore in biogas slurry
Required crop rotation；Since the ammonia nitrogen in biogas slurry containing high concentration is directly applied to fish pond, a small amount of biogas slurry is the ammonia nitrogen that will lead in water
Rapid increase, if application is improper easily to be caused fishes and shrimps to receive free ammonia nitrogen to poison and dead.The ammonia nitrogen of high concentration, low concentration P,
K determines that the value of biogas slurry is lower, can only dissolve nearby, and long distance delivery is at high cost, not cost-effective.
In order to solve the above-mentioned technical problem, it is proposed that a kind of production method of phycomycete fertilizer in biogas slurry and production dress
It sets.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide a kind of, and the phycomycete based on biogas slurry is fertile
The production method and process units of material.
The technical scheme adopted by the invention is as follows:
The process units of the invention discloses a kind of phycomycete fertilizer based on biogas slurry, comprising:
Anaerobic chamber is inside rotatably provided with stirrer paddle；
Aerobic culturing room, structure in a ring, and it is co-axially located at the outside of the anaerobic chamber, the aerobic culturing room
Side upper end is equipped with the first biogas slurry import；
Illumination cultivation room, structure in a ring, and it is co-axially located at the outside of the aerobic culturing room；
And baffle plate, ring are located between the anaerobic chamber and the aerobic culturing room, the upper end and the anaerobism
The lateral wall of culturing room connects, and lower end is bent towards the anaerobic chamber；
Wherein, the upper end of the anaerobic chamber is equipped with the second biogas slurry import, and the height of the second biogas slurry import is lower than
The lower end of the upper end level of the baffle plate, the anaerobic chamber is exported equipped with sediment；
The upper end side wall of the anaerobic chamber is equipped with clarified solution discharge nozzle, the anaerobic chamber and the illumination cultivation
Room is connected to by the clarified solution discharge nozzle.
The invention also discloses the lifes that the process units using a kind of above-mentioned phycomycete fertilizer based on biogas slurry is produced
Production method, comprising the following steps:
Biogas slurry is taken, is extracted into aerobic culturing room；
Aerobic microbial agent is added in above-mentioned biogas slurry；
Auxiliary material is added in above-mentioned biogas slurry, mixed liquor is obtained, and pH value to the mixed liquor for adjusting mixed liquor is in acidity, is carried out
Aerobic fermentation culture, wherein auxiliary material includes organic carbon source compound, phosphorus source and potassium resource；
Anaerobe microbial inoculum is inoculated into anaerobic chamber, anaerobic fermentation culture is carried out；
Mixed liquor after Anaerobic culturel is staticly settled, sediment is the biogas slurry fertilizer containing profitable probliotics, makes top
Clarified solution flows into illumination cultivation room；
It adds chlorella into illumination cultivation room, carries out illumination cultivation, obtain chlorella and spread cultivation liquid, or into illumination cultivation room
Photosynthetic bacteria stoste is added, illumination cultivation is carried out, photosynthetic bacteria is obtained and spreads cultivation liquid.
Further, in aerobic fermentation incubation, the pH value of mixed liquor is 5.0-6.5, aerobic fermentation culture when
Between be 24-48h, the temperature of aerobic fermentation culture is 20-40 DEG C, and the content of the dissolved oxygen of the mixed liquor in aerobic fermentation culture is
0.8-2mg/L。
Further, the mass percent that aerobic microbial agent accounts for biogas slurry is 1-2%, and aerobic microbial agent is gemma
The mix bacterium agent of bacillus and saccharomycete, EM bacteria agent, bacillus or saccharomycete.
Further, it is 1-2% that auxiliary material, which accounts for the mass percent of biogas slurry,.
Further, the organic carbon source compound is molasses, and phosphorus source and potassium resource are potassium dihydrogen phosphate, di(2-ethylhexyl)phosphate
The mass ratio of hydrogen potassium and molasses is 1:9.
Further, it is 0.5-1% that anaerobe microbial inoculum, which accounts for the mass percent of biogas slurry, and anaerobe microbial inoculum is EM
Microbial inoculum or compound lactobacillus mixed bacteria liquid.
Further, in anaerobic fermentation incubation, existed by the pH value that hydrated lime in powder emulsion adjusts mixed liquor
Between 5.0-6.5.
Further, in anaerobic fermentation incubation, the time 48h of anaerobic fermentation culture, the temperature of anaerobic fermentation culture
Degree is 20-35 DEG C.
Further, in anaerobic fermentation incubation, auxiliary material, the auxiliary material and biogas slurry of addition are added into Anaerobic culturel room
Mass ratio be 2%-3%.
The invention has the benefit that
(1) process units of the phycomycete fertilizer of the invention based on biogas slurry can be that fermentation raw material continuous production contains using biogas slurry
The biogas slurry fertilizer of profitable probliotics and nutrient (N, P, K), and can be used for cultivating chlorella or photosynthetic bacteria；In addition, based on biogas slurry
The production method of phycomycete fertilizer quickly eliminates biogas slurry stink by aerobic fermentation, decomposes the macromolecular organic matter in biogas slurry, then lead to
Anaerobic condition culture lactic acid bacteria is crossed, using the small organic molecule of aerobic generation, the characteristics of reducing pH using lactobacillus-fermented, suppression
The breeding of miscellaneous bacteria processed, can long sustaining fertilizer fermentation character it is constant, whole process gnotobasis production, greatly reduce production
Cost；In addition, can be obtained by natural sedimentation rich in multiple microbial strains, nutrient and calcium of organic acid after the completion of anaerobic fermentation
Biogas slurry fertilizer, and chlorella or photosynthetic bacteria are further cultivated using the nutriment in the clarified solution for precipitating resulting top,
Realize the maximization of biogas slurry utility value.
(2) in anaerobic fermentation incubation, can continue to generate lactic acid bacteria, the hydrated lime in powder emulsion in alkali liquid tank is added
To Anaerobic culturel room, for adjusting the pH value of mixed liquor, it can inhibit lactobacter growth and cause biogas slurry fermentation insufficient, simultaneously
Also the biogas slurry fertilizer for production provides calcium lactate, and organic calcium has better animals and plants absorbability than inorganic calcium, keeps biogas slurry fertile
Material becomes high added value fertilizer product, and such as: biogas slurry fertilizer application can effectively improve utilization of the shellfish to calcium in aquatic products
With absorption, calcium deficiency is avoided to cause shelling dead；Biogas slurry fertilizer is applied in farmland, can effectively avoid because calcium deficiency causes tomato, peppery
Green pepper generates blossom-end rot, Chinese cabbage generates tipburn, potato generates brown spot, apple generates bitter filling disease and pear generates black heart
Deng.
(3) ammonia nitrogen in biogas slurry during the fermentation, it is thin to be again converted to thallus by bacillus, saccharomycete and lactic acid bacteria
Born of the same parents, the organic immobilization again of the nitrogen of realization solve the problems, such as that free ammonia quickly increases when fertilizer application.Biogas slurry fertilizer is used for water
It produces in cultivation, on the one hand under viable bacteria state, organic matter extra in water can be decomposed and realize self-reproduction, maintain water quality；Separately
On the one hand directly as the bait of filter-feeding zooplankter, increase output of aquatic products；In addition, lactic acid bacteria, saccharomycete and gemma bar
Bacterium etc. is used as probiotics, after being transferred to fishes and shrimps enteron aisle by food chain, can promote its digestion, reduces fishes and shrimps disease and occurs.
(4) biogas slurry, will by the way that after bacillus, saccharomycete and lactobacillus-fermented, ammonia nitrogen is again converted to somatic cells
On the one hand the biogas slurry fertilizer application of production can improve soil texture into farmland, another aspect viable bacteria can will be in soil
Undissolved phosphorus and potassium are converted into soluble state, are conducive to plant absorption.
(5) remaining ammonia nitrogen can be down to the concentration of chlorella growth needs, benefit in biogas slurry after aerobic and anaerobic fermentation
With biogas slurry residue nutrition culture chlorella, realize that the different resourceization of biogas slurry utilizes, chlorella nutritive value is higher than general algae
Very much, protein content is generally 50-65%, can promote water body zooplankter and fishes and shrimps fast-growth, is a kind of common excellent
Matter aquatic products algae.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the partial enlargement diagram of Fig. 1.
Fig. 3 is the top view of Fig. 1.
In figure: the aerobic culturing room of 10-；11- the first biogas slurry import；12- Aeration fan；13- aeration tube；14- baffle plate；
15- the first microbial inoculum inoculation mouth；The online dissolved oxygen meter of 16-；20- anaerobic chamber；21- the second biogas slurry import；22- motor；23- stirring
Blade；The outlet of 24- sediment；25- the second microbial inoculum inoculation mouth；26- charge pipe；27- electrical bar；30- illumination cultivation room；31- is clear
Clear liquid discharge nozzle；32- motor-driven valve；The first illumination cultivation of 33- room；331- the first illumination additive port；332- first outlet；34-
Second illumination cultivation room；341- the second illumination additive port；342- second outlet；35- low frequency electrodeless lamp；36- partition；40- acid
Flow container；50- alkali liquid tank；60- auxiliary material tank；70- metering pump；80-pH meter.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the present invention.
The process units that the present invention provides a kind of phycomycete fertilizer based on biogas slurry includes anaerobic chamber 20, aerobic culturing room
10 and illumination cultivation room 30.As shown in Figure 1-3, aerobic culturing room, anaerobic chamber and optical culture room are co-axially mounted, aerobic culture
The dischargeable capacity of room, anaerobic chamber and illumination cultivation room is 1:2:6, can make aerobic fermentation incubation time 1-2 days, anaerobism
Fermented incubation time is 2-4 days, and the illumination cultivation time is 6 days.The height of illumination cultivation room only has aerobic culturing room's height
Half.
Aerobic culturing room 10 structure and is co-axially located at the outside of the anaerobic chamber 20 in a ring, the aerobic culture
Room side upper end is equipped with the first biogas slurry import 11；Oxygen is inputted by aeration tube 13 of the Aeration fan 12 into aerobic culturing room 10
Gas, aerobic culturing room carry out aeration operation by the way of the aeration tube oxygen supply of top.
The first stage of biogas slurry fermenting and producing fertilizer is carried out in aerobic culturing room, fresh biogas slurry precipitates 24-48 hours
Afterwards, it takes its supernatant to be delivered to the first biogas slurry import 11, is delivered to the supernatant of biogas slurry in aerobic culturing room by elevator pump
Carry out aerobic fermentation culture.
It is loaded with auxiliary material in auxiliary material tank 60, auxiliary material is conveyed to aerobic culturing room by metering pump 70, auxiliary material includes organic carbon
Auxiliary material is delivered to aerobic culturing room's participation fermentation reaction, acid solution tank 40 and lye so as to quantitative by source compound, phosphorus source and potassium resource
Tank 50 is located at the two sides of aerobic culturing room 10, for adjusting the pH of the mixed liquor in aerobic culturing room and Anaerobic culturel room
Value.
The reason of not including nitrogen source in auxiliary material is that the chlorella in later period does not adapt to excessively high ammonia nitrogen concentration, ammonia nitrogen concentration
When > 0.05%, chlorella growth is suppressed, and generally, biogas slurry ammonia nitrogen concentration is 0.1%-0.2%, and phosphorus source is relatively low, about
0.01%, supplement phosphorus source can meet the growth of chlorella.
Aerobic culturing room and anaerobic chamber are respectively correspondingly provided with pH meter 80, measure aerobic culturing room and anaerobism by pH meter
The real-time pH value of the interior mixed liquor of culturing room makes mixed liquor will pass through acid solution or the lye of alkali liquid tank 60 of acid solution tank 40
PH value maintains 5.0-6.5.Wherein, it is loaded with concentrated phosphoric acid in acid solution tank, hydrated lime in powder emulsion is loaded in alkali liquid tank.
First biogas slurry import 11, the first auxiliary material adding mouth and the first microbial inoculum inoculation mouth are respectively positioned on the upper end of aerobic culturing room,
Auxiliary material tank 60 is connected to by a metering pump 70 with the first auxiliary material adding mouth, can be put into auxiliary material to aerobic culturing room's quantification, be led to
It crosses the first microbial inoculum inoculation mouth 15 and puts into a certain amount of aerobic microbial agent into aerobic culturing room, the supernatant of biogas slurry passes through the
One biogas slurry import 11 is delivered in aerobic culturing room, then aerobic microbial agent and auxiliary material are respectively added to the upper of above-mentioned biogas slurry
In clear liquid, mixed liquor is obtained, and be in pH value to the mixed liquor that aerobic culturing room conveys concentrated phosphoric acid adjusting mixed liquor by acid solution tank
Acidity makes the pH value of mixed liquor maintain 5.0-6.5, carries out aerobic fermentation culture, and biogas slurry is in the residence time of good culturing room
24-36h。
14 ring of baffle plate is located between the anaerobic chamber and the aerobic culturing room, the upper end and the Anaerobic culturel
The lateral wall of room connects, and lower end is bent towards the anaerobic chamber；Baffle plate is two-stage baffle plate, and aerobic culturing room is by two
Grade baffle plate is separated into second level culture compartment, and online dissolved oxygen meter 16 protrudes into second level culture compartment, can control aeration intake, makes
The dissolved oxygen that biogas slurry enters anaerobic chamber is down to 0.5mg/L or less.
The main structure of anaerobic chamber is made of cylindrical tube and conical bottom, convenient for the progress staticly settled.It is described to detest
The upper end of oxygen culturing room is equipped with the second biogas slurry import 21, and the height of the second biogas slurry import is slightly below the upper end of the baffle plate
Highly, the anaerobic chamber and the illumination cultivation room are connected to by the supernatant discharge nozzle；Biogas slurry is through aerobic culturing room
After carrying out aerobic fermentation culture, according to arrow direction shown in FIG. 1, biogas slurry is oriented to through second level baffle plate, after continuous aerobic culture
Biogas slurry gradually overflow up from bottom, the mixed liquor after aerobic fermentation automatically flows into anaerobic chamber through the second biogas slurry import 21
Interior, the second biogas slurry import 21 is equipped with one way stop peturn valve, makes mixed liquor that can only automatically flow into anaerobism by the second biogas slurry import 21
In culturing room, the liquid in Anaerobic culturel room will not be countercurrently to aerobic culturing room.
Stirrer paddle 23 is rotatably provided in anaerobic chamber 20；Stirrer paddle 23 is driven to rotate by motor 22 right
Mixed liquor in anaerobic chamber 20 is stirred.Electrical bar 27 is additionally provided in anaerobic chamber 20, for anaerobic chamber
Mixed liquor in 20 is heated.
The top of anaerobic chamber is equipped with the second microbial inoculum inoculation mouth 25 and the second auxiliary material adding mouth, wherein auxiliary material tank 60 is logical
It crosses another metering pump 70 to be connected to the second auxiliary material adding mouth, another metering pump 70 and the second auxiliary material adding mouth pass through charge pipe
26 connections can put into auxiliary material (supplementing auxiliary material again) to anaerobic chamber quantification, and anaerobe microbial inoculum passes through the second bacterium
Agent inoculation mouth 25 is seeded in Anaerobic culturel room, carries out anaerobic fermentation culture, and the fermentation of biogas slurry fertilizer is carried out in Anaerobic culturel room
Second stage.
In anaerobic fermentation incubation, the hydrated lime in powder emulsion in alkali liquid tank can be quantitatively pumped to by a metering pump
In Anaerobic culturel room, the pH value of the mixed liquor for adjusting anaerobic chamber.PH meter 80 that anaerobic chamber is correspondingly arranged and with
Tank connected 70 linkage control of metering pump of lye, maintains the pH value of the mixed liquor of anaerobic chamber between 5.0-6.5, adds alkali
Liquid can avoid anaerobic fermentation and persistently produce acid, can inhibit lactobacter growth and causes biogas slurry fermentation insufficient.
Biogas slurry is by N, P, K nutrient allotment (containing P, K nutrient, nutrient containing N in biogas slurry in the auxiliary material of addition) and probiotics
After anaerobic fermentation, motor 22 can be made to stall, the mixed liquor after making Anaerobic culturel staticly settles, and sediment is containing profitable probliotics
Biogas slurry fertilizer, for biogas slurry fertilizer by 24 discharge of sediment outlet of the lower end of anaerobic chamber, which is rich in highly concentrated
The fertilizer of thallus can carry out weighing filling through 24 discharge of sediment outlet.
Illumination cultivation room structure and is co-axially located at the outside of the aerobic culturing room in a ring；In illumination cultivation room into
The phase III of row biogas slurry fermentation, the main remaining nutrition culture photosynthetic bacteria using Jing Guo Aerobic-anaerobic biogas slurry fermented with
Chlorella.
Wherein, the illumination system of illumination cultivation room uses low frequency electrodeless lamp 35, and multiple low frequency electrodeless lamps 35 are in a ring
Structure is evenly arranged in the inner upper end of illumination cultivation room, and low frequency electrodeless lamp is protected using waterproof glass, by low frequency electrodeless lamp with
Biogas slurry separates, and directly can take out low frequency electrodeless lamp, easy access and replacement from illumination cultivation ceiling end.
The upper end side wall of the anaerobic chamber is equipped with clarified solution discharge nozzle 31, and clarified solution discharge nozzle 31 is equipped with motor-driven valve
32, convenient for controlling the folding of clarified solution discharge nozzle.The clarified solution that mixed liquor staticly settles resulting top can be directly used for agricultural
Plantation or fishery cultivating can also make the clarified solution flow into illumination cultivation room by clarified solution discharge nozzle 31, and illumination cultivation room passes through
Partition 36 is divided into the first illumination cultivation room 33 and the second illumination cultivation room 34, cultivates chlorella in the first illumination cultivation room,
Photosynthetic bacteria is cultivated in the second illumination cultivation room, chlorella is lower than 400mg/L to the tolerable concentration of ammonia nitrogen, therefore cultivates bead
If need to suitably be diluted when biogas slurry ammonia nitrogen concentration is excessively high when algae.Pass through the first illumination additive port 331 of the first illumination cultivation room 33
Add chlorella, photosynthetic bacteria stoste added by the second illumination additive port 341 of the second illumination cultivation room 34, can respectively into
Row illumination cultivation, respectively chlorella spreads cultivation liquid and photosynthetic bacteria spreads cultivation liquid, chlorella spreads cultivation liquid and photosynthetic bacteria spreads cultivation liquid point
It Tong Guo not the first outlet 332 of the first illumination cultivation room and the discharge of second outlet 342 of the second illumination cultivation room.It is clear after precipitating
Clear liquid is produced a kind of while contained by the further progress culture of illumination cultivation room using biogas slurry residue nutrition culture photosynthetic bacteria
There is the biogas slurry fertilizer of aerobic bacteria, anaerobic bacteria and photosynthetic bacteria, is also preferably applied for agricultural planting or fishery cultivating.
Embodiment 1:
The production method that is produced according to the process units of the above-mentioned phycomycete fertilizer based on biogas slurry the following steps are included:
First stage:
Behind fresh biogas slurry natural sedimentation 24-48 hours, the supernatant of the biogas slurry by natural sedimentation is taken, is extracted to aerobic
In culturing room；Biogas slurry liquid inlet volume carries out calculating adjustment according to the volume of aerobic culturing room, and control waterpower makes biogas slurry in aerobic culture
Residence time in room is -48 hours 24 hours.
Aerobic microbial agent is added in the supernatant of above-mentioned biogas slurry；Aerobic microbial agent accounts for the quality hundred of biogas slurry
Score is 2%, i.e., the inoculum concentration of aerobic microbial agent is 2%, and aerobic microbiological bacterium is extracted from bacterium solution tank by charge pump
Agent is added to the first microbial inoculum inoculation mouth 15, and a certain amount of aerobic microbial agent is put into aerobic culturing room, makes the first microbial inoculum
The total bacteria count content of the aerobic microbial agent in biogas slurry at inoculation mouth is greater than 1 × 106cfu/mL.Aerobic microbial agent is
EM bacteria agent, aerobic microbial agent can be the microbial inoculum of sterile culture and be also possible to the microbial inoculum that bacterium powder is watered activation.
According to mass fraction meter, by measuring the auxiliary material of pump-metered 1%, (mass percent is ginseng with the quality of biogas slurry
According to) and auxiliary material is added in the supernatant of above-mentioned biogas slurry, mixed liquor is obtained, and pH value to the mixed liquor for adjusting mixed liquor is in acid
Property, carry out aerobic fermentation culture, wherein auxiliary material includes organic carbon source compound, phosphorus source and potassium resource；The organic carbon source compound
For molasses, phosphorus source and potassium resource are potassium dihydrogen phosphate, and the mass ratio of potassium dihydrogen phosphate and molasses is 1:9.
In aerobic fermentation incubation, the pH value of mixed liquor is that 5.0-6.5 (extracts the dense of acid solution tank 40 by metering pump
The pH value of phosphoric acid adjusting mixed liquor), the time of aerobic fermentation culture is 24-48h, and the temperature of aerobic fermentation culture is 20-40 DEG C,
Make the dissolved oxygen of the mixed liquor in aerobic fermentation culture by Aeration fan (Aeration fan is Roots's frequency conversion fan) frequency conversion gas supply
Content control in 0.8-2mg/L.
Second stage:
Mixed liquor after aerobic fermentation gradually rises to highest liquid level, is delivered in Anaerobic culturel room automatically, mixed liquor from
Bottom is gradually overflow up, then biogas slurry can be made to exist automatically into anaerobic chamber by the one way stop peturn valve in the second biogas slurry import
The time of anaerobic fermentation culture is 48 hours in anaerobic chamber.
Charge pump extracts anaerobe microbial inoculum from bacterium solution tank, is inoculated into anaerobic chamber, carries out anaerobic fermentation training
It supports；The mass percent that anaerobe microbial inoculum accounts for biogas slurry is 0.5, i.e., the inoculum concentration of anaerobe microbial inoculum is 0.5%, makes natural pond
The total bacteria count content of anaerobe microbial inoculum is greater than 1 × 10 in liquid6cfu/mL.Anaerobe microbial inoculum is EM bacteria agent.
In anaerobic fermentation incubation, the hydrated lime in powder emulsion of alkali liquid tank is extracted by metering pump, is extracted a certain amount of
Hydrated lime in powder emulsion adjust mixed liquor pH value between 5.0-6.5.
In anaerobic fermentation incubation, the time 48h of anaerobic fermentation culture controls anaerobic fermentation culture by electrical bar
Temperature be 20-35 DEG C.
In anaerobic fermentation incubation, the auxiliary material in auxiliary material tank is quantitatively extracted again by metering pump, and train to anaerobism
Support the auxiliary material that interior addition mass fraction is 2% (mass percent is using the quality of biogas slurry as reference).
Phase III:
Mixed liquor after Anaerobic culturel is staticly settled, after so that the bacterium solution of anaerobic chamber is sufficiently precipitated to bottom, precipitating
Object is the biogas slurry fertilizer containing profitable probliotics, and biogas slurry fertilizer, should by 24 discharge of sediment outlet of the lower end of anaerobic chamber
Biogas slurry fertilizer is the fertilizer rich in highly concentrated thallus, can carry out weighing through 24 outlets of sediment outlet filling.
The nutrient of biogas slurry fertilizer after anaerobic fermentation measures: the biogas slurry fertilizer after anaerobic fermentation is exported 24 rows from sediment
Out, it samples, (in the measurement of 8572 determination of total nitrogen in compound fertilizer of GB/T, 8573 complex fertilizer of GB/T effectively using National Standard Method
The measurement of potassium content in the measurement of phosphorus content, 8574 complex fertilizer of GB/T, calcium, magnesium, sulfur content in GB/T19203 complex fertilizer
Measurement, in 8574 complex fertilizer of GB/T potassium content measurement) concentration of N, P, K, Ca in biogas slurry fertilizer after measurement fermentation,
Convenient for calculating the usage amount of different crops and aquaculture when application.
Filling and storage: by the biogas slurry fertilizer after fermentation containing multiple microbial strains, nutrient and calcium of organic acid, nutrient is measured
And indicate, it is filling according to certain specification, and save at normal temperature, the shelf-life is the 4-6 month.
So that the clarified solution on top is flowed into illumination cultivation room, chlorella is added into illumination cultivation room, carries out illumination cultivation, obtain
Chlorella spreads cultivation liquid；Or photosynthetic bacteria stoste is added into illumination cultivation room, illumination cultivation is carried out, photosynthetic bacteria is obtained and spreads cultivation liquid.
Chlorella culture: according to the 10-20% of the dischargeable capacity of the first illumination cultivation room, tap water is added to the first light
After culturing room, according to 1% inoculum concentration as chlorella of the dischargeable capacity of the first illumination cultivation room, disposably to the first light
According to the chlorella stoste bought on access market in culturing room, the biogas slurry into the first illumination cultivation room is the first illumination training every time
Support the 10% of the dischargeable capacity of room, cultivate chlorella 7 days in the first illumination cultivation room, frustule content greater than 1 ×
104Cfu/mL obtains chlorella and spreads cultivation liquid, can be used for aquaculture.
Photosynthetic bacteria stoste culture: according to the second illumination cultivation room dischargeable capacity 1% as photosynthetic bacteria stoste
Inoculum concentration, the photosynthetic bacteria stoste disposably bought on access market into the second illumination cultivation room enter the second illumination every time
10% that indoor biogas slurry is the indoor dischargeable capacity of the second illumination cultivation is cultivated, photosynthetic bacteria is made to cultivate 10 in illumination cultivation room
It, photosynthetic bacteria content is greater than 1 × 107Cfu/mL obtains photosynthetic bacteria and spreads cultivation liquid, can be used for aquaculture water quality improvement.
Embodiment 2:
The production method that is produced according to the process units of the above-mentioned phycomycete fertilizer based on biogas slurry the following steps are included:
First stage:
Behind fresh biogas slurry natural sedimentation 24-48 hours, the supernatant of the biogas slurry by natural sedimentation is taken, is extracted to aerobic
In culturing room；Biogas slurry liquid inlet volume carries out calculating adjustment according to the volume of aerobic culturing room, and control waterpower makes biogas slurry in aerobic culture
Residence time in room is -48 hours 24 hours.
Aerobic microbial agent is added in the supernatant of above-mentioned biogas slurry；Aerobic microbial agent accounts for the quality hundred of biogas slurry
Score is 1%, i.e., the inoculum concentration of aerobic microbial agent is 1%, and aerobic microbiological bacterium is extracted from bacterium solution tank by charge pump
Agent is added to the first microbial inoculum inoculation mouth 15, and a certain amount of aerobic microbial agent is put into aerobic culturing room, makes the first microbial inoculum
The total bacteria count content of aerobic microbial agent is greater than 1 × 10 in biogas slurry at inoculation mouth6cfu/mL.Aerobic microbial agent is gemma
The mix bacterium agent of bacillus or saccharomycete or bacillus and saccharomycete, aerobic microbial agent can be sterile culture microbial inoculum and
It is also possible to the microbial inoculum that bacterium powder is watered activation.
According to mass fraction meter, it is added to the supernatant of above-mentioned biogas slurry by the auxiliary material of metering pump-metered 2% and by auxiliary material
In (mass percent is using the quality of biogas slurry as reference), obtain mixed liquor, and adjust the pH value of mixed liquor to mixed liquor in acid
Property, carry out aerobic fermentation culture, wherein auxiliary material includes organic carbon source compound, phosphorus source and potassium resource；The organic carbon source compound
For molasses, phosphorus source and potassium resource are potassium dihydrogen phosphate, and the mass ratio of potassium dihydrogen phosphate and molasses is 1:9.
In aerobic fermentation incubation, the pH value of mixed liquor is that 5.0-6.5 (extracts the dense of acid solution tank 40 by metering pump
The pH value of phosphoric acid adjusting mixed liquor), the time of aerobic fermentation culture is 24-48h, and the temperature of aerobic fermentation culture is 20-40 DEG C,
Make the dissolved oxygen of the mixed liquor in aerobic fermentation culture by Aeration fan (Aeration fan is Roots's frequency conversion fan) frequency conversion gas supply
Content control in 0.8-2mg/L.
Second stage:
Mixed liquor after aerobic fermentation gradually rises to highest liquid level, is delivered in Anaerobic culturel room automatically, mixed liquor from
Bottom is gradually overflow up, then is detesting biogas slurry automatically into anaerobic chamber by the one way stop peturn valve in the second biogas slurry import
The time of anaerobic fermentation culture is 48 hours in oxygen culturing room.
Charge pump extracts anaerobe microbial inoculum from bacterium solution tank, is inoculated into anaerobic chamber, carries out anaerobic fermentation training
It supports；The mass percent that anaerobe microbial inoculum accounts for biogas slurry is 1%, i.e., the inoculum concentration of anaerobe microbial inoculum is 1%, makes biogas slurry
The total bacteria count content of middle anaerobe microbial inoculum is greater than 1 × 106cfu/mL.Anaerobe microbial inoculum is compound lactobacillus Mixed Microbes
Liquid.
In anaerobic fermentation incubation, the hydrated lime in powder emulsion of alkali liquid tank is extracted by metering pump, is extracted a certain amount of
Hydrated lime in powder emulsion adjust mixed liquor pH value between 5.0-6.5.
In anaerobic fermentation incubation, the time 48h of anaerobic fermentation culture controls anaerobic fermentation culture by electrical bar
Temperature be 20-35 DEG C.
In anaerobic fermentation incubation, the auxiliary material in auxiliary material tank is quantitatively extracted again by metering pump, and train to anaerobism
Support the auxiliary material that interior addition mass fraction is 3% (mass percent is using the quality of biogas slurry as reference).
Phase III:
Mixed liquor after Anaerobic culturel is staticly settled, after so that the bacterium solution of anaerobic chamber is sufficiently precipitated to bottom, precipitating
Object is the biogas slurry fertilizer containing profitable probliotics, and biogas slurry fertilizer, should by 24 discharge of sediment outlet of the lower end of anaerobic chamber
Biogas slurry fertilizer is the fertilizer rich in highly concentrated thallus, can carry out weighing through 24 outlets of sediment outlet filling.
The nutrient of biogas slurry fertilizer after anaerobic fermentation measures: the biogas slurry fertilizer after anaerobic fermentation is exported 24 rows from sediment
Out, it samples, (in the measurement of 8572 determination of total nitrogen in compound fertilizer of GB/T, 8573 complex fertilizer of GB/T effectively using National Standard Method
The measurement of potassium content in the measurement of phosphorus content, 8574 complex fertilizer of GB/T, calcium, magnesium, sulfur content in GB/T19203 complex fertilizer
Measurement, in 8574 complex fertilizer of GB/T potassium content measurement) concentration of N, P, K, Ca in biogas slurry fertilizer after measurement fermentation,
Convenient for calculating the usage amount of different crops and aquaculture when application.
Filling and storage: by the biogas slurry fertilizer after fermentation containing multiple microbial strains, nutrient and calcium of organic acid, nutrient is measured
And indicate, it is filling according to certain specification, and save at normal temperature, the shelf-life is the 4-6 month.
So that the clarified solution on top is flowed into illumination cultivation room, chlorella is added into illumination cultivation room, carries out illumination cultivation, obtain
Chlorella spreads cultivation liquid；Or photosynthetic bacteria stoste is added into illumination cultivation room, illumination cultivation is carried out, photosynthetic bacteria is obtained and spreads cultivation liquid.
Chlorella culture: according to the 10-20% of the dischargeable capacity of the first illumination cultivation room, tap water is added to the first light
After culturing room, according to 1% inoculum concentration as chlorella of the dischargeable capacity of the first illumination cultivation room, disposably to the first light
According to the chlorella stoste bought on access market in culturing room, the biogas slurry into the first illumination cultivation room is the first illumination training every time
Support the 10% of the dischargeable capacity of room, cultivate chlorella 7 days in the first illumination cultivation room, frustule content greater than 1 ×
104Cfu/mL obtains chlorella and spreads cultivation liquid, can be used for aquaculture.
Photosynthetic bacteria stoste culture: according to the second illumination cultivation room dischargeable capacity 1% as photosynthetic bacteria stoste
Inoculum concentration, the photosynthetic bacteria stoste disposably bought on access market into the second illumination cultivation room enter the second illumination every time
10% that indoor biogas slurry is the indoor dischargeable capacity of the second illumination cultivation is cultivated, photosynthetic bacteria is made to cultivate 10 in illumination cultivation room
It, photosynthetic bacteria content is greater than 1 × 107Cfu/mL obtains photosynthetic bacteria and spreads cultivation liquid, can be used for aquaculture water quality improvement.
In short, the process units of the phycomycete fertilizer of the invention based on biogas slurry can be fermentation raw material continuous production using biogas slurry
Biogas slurry fertilizer containing profitable probliotics, and can Combined culture chlorella and photosynthetic bacteria.
The production method of phycomycete fertilizer based on biogas slurry of the invention quickly eliminates biogas slurry stink by aerobic fermentation, decomposes
Macromolecular organic matter in biogas slurry, then utilized by anaerobic condition culture lactic acid bacteria using the small organic molecule of aerobic generation
Lactobacillus-fermented reduce pH the characteristics of, inhibit the breeding of miscellaneous bacteria, can long sustaining fertilizer fermentation character it is constant, whole process without
Bacterium production of environment, greatly reduces production cost；In addition, can obtain being rich in by natural sedimentation a variety of after the completion of anaerobic fermentation
The biogas slurry fertilizer of microbial bacteria, nutrient and calcium of organic acid, and using the nutriment in the clarified solution for precipitating resulting top into
One step culture chlorella and photosynthetic bacteria, realize the maximization of biogas slurry utility value.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. a kind of process units of the phycomycete fertilizer based on biogas slurry characterized by comprising
Anaerobic chamber is inside rotatably provided with stirrer paddle；
Aerobic culturing room, structure in a ring, and it is co-axially located at the outside of the anaerobic chamber, the aerobic culturing room side
Upper end is equipped with the first biogas slurry import；
Illumination cultivation room, structure in a ring, and it is co-axially located at the outside of the aerobic culturing room；
And baffle plate, ring are located between the anaerobic chamber and the aerobic culturing room, the upper end and the Anaerobic culturel
The lateral wall of room connects, and lower end is bent towards the anaerobic chamber；
Wherein, the upper end of the anaerobic chamber is equipped with the second biogas slurry import, and the height of the second biogas slurry import is lower than described
The lower end of the upper end level of baffle plate, the anaerobic chamber is exported equipped with sediment；
The upper end side wall of the anaerobic chamber is equipped with clarified solution discharge nozzle, and the anaerobic chamber and the illumination cultivation room are logical
Cross the clarified solution discharge nozzle connection.
2. the production method that the process units of the phycomycete fertilizer according to claim 1 based on biogas slurry is produced, special
Sign is, comprising the following steps:
Biogas slurry is taken, is extracted into aerobic culturing room；
Aerobic microbial agent is added in above-mentioned biogas slurry；
Auxiliary material is added in above-mentioned biogas slurry, mixed liquor is obtained, and pH value to the mixed liquor for adjusting mixed liquor is in acidity, is carried out aerobic
Fermented and cultured, wherein auxiliary material includes organic carbon source compound, phosphorus source and potassium resource；
Anaerobe microbial inoculum is inoculated into anaerobic chamber, anaerobic fermentation culture is carried out；
Mixed liquor after Anaerobic culturel is staticly settled, sediment is the biogas slurry fertilizer containing profitable probliotics, makes the clarification on top
Liquid stream enters illumination cultivation room；
It adds chlorella into illumination cultivation room, carries out illumination cultivation, obtain chlorella and spread cultivation liquid, or added into illumination cultivation room
Photosynthetic bacteria stoste carries out illumination cultivation, obtains photosynthetic bacteria and spreads cultivation liquid.
3. production method according to claim 2, it is characterised in that: in aerobic fermentation incubation, the pH of mixed liquor
Value is 5.0-6.5, and the time of aerobic fermentation culture is 24-48h, and the temperature of aerobic fermentation culture is 20-40 DEG C, aerobic fermentation training
The content of the dissolved oxygen of mixed liquor in supporting is 0.8-2mg/L.
4. production method according to claim 3, it is characterised in that: aerobic microbial agent accounts for the mass percent of biogas slurry
For 1-2%, aerobic microbial agent is mix bacterium agent, EM bacteria agent, bacillus or the saccharomycete of bacillus and saccharomycete.
5. production method according to claim 4, it is characterised in that: the mass percent that auxiliary material accounts for biogas slurry is 1-2%.
6. production method according to claim 5, it is characterised in that: the organic carbon source compound is molasses, the phosphorus
Source and potassium resource are potassium dihydrogen phosphate, and the mass ratio of potassium dihydrogen phosphate and molasses is 1:9.
7. the production method according to claim 2 or 6, it is characterised in that: anaerobe microbial inoculum accounts for the quality hundred of biogas slurry
Score is 0.5-1%, and anaerobe microbial inoculum is EM bacteria agent or compound lactobacillus mixed bacteria liquid.
8. production method according to claim 7, it is characterised in that: in anaerobic fermentation incubation, pass through white lime
Powder emulsion adjusts the pH value of mixed liquor between 5.0-6.5.
9. production method according to claim 8, it is characterised in that: in anaerobic fermentation incubation, anaerobic fermentation training
Feeding time 48h, the temperature of anaerobic fermentation culture are 20-35 DEG C.
10. production method according to claim 9, it is characterised in that: in anaerobic fermentation incubation, to Anaerobic culturel
Indoor addition auxiliary material, the auxiliary material of addition and the mass ratio of biogas slurry are 2%-3%.
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Application publication date: 20190816 |