CN109851453A - Organic and inorganic environmental protection and public nuisance free compound fertilizer - Google Patents
Organic and inorganic environmental protection and public nuisance free compound fertilizer Download PDFInfo
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- CN109851453A CN109851453A CN201910119413.4A CN201910119413A CN109851453A CN 109851453 A CN109851453 A CN 109851453A CN 201910119413 A CN201910119413 A CN 201910119413A CN 109851453 A CN109851453 A CN 109851453A
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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 organic and inorganic environmental protection and public nuisance free compound fertilizers and preparation method thereof, by mass percentage: innoxious feces of livestock and poultry 20-25%；Wormcast 5-10%；Humic acid 10-15%；Urea 25-30%；Monoammonium phosphate 14-24%；Potassium chloride 8-18%；Double superhosphate 5-8%.It the steps include: the removal of heavy metal in feces of livestock and poultry, the harmless treatment of heavy metal ion is realized by earthworm and is prepared into good organic fertilizer raw material wormcast, using the antibiotic in physics, chemistry and biological method removal feces of livestock and poultry, solves the problems, such as heavy metal and antibiotic pollution environment and endanger human health.Material granulating rate is improved using secondary granulation technology, does not need that the clay for promoting granulating and a large amount of liquid phase steam of supplement or water is added, solves the problems, such as that Organic-inorganic fertilizer granulating is difficult.Manufactured product has the advantage that 1, product nutrient content is high, moisture content is low, granule strength is good, at low cost；2, product Source Organic Matter is feces of livestock and poultry, wormcast and humic acid, compared with other Organic-inorganic fertilizers, has Source Organic Matter diversification and nuisanceless, is conducive to crop and is absorbed and utilized.
Description
Technical field
The present invention relates to a kind of organic-inorganic composite fertilizers, and in particular to a kind of organic and inorganic environmental protection and public nuisance free compound fertilizer
Material.
Background technique
World Science fertilising development substantially experienced three phases: first is that using yield as the fertilizing time of unitary target；Two
It is using yield and product quality as the fertilizing time of binary target；Third is that with crop yield, product quality and ecological environment for three
First target applies fertilizers scientifically period, and China is in the critical period developed from second stage to the phase III.Currently, China has
Machine-inorganic complex fertilizer majority makees organic matter material using feces of livestock and poultry, is handled using fermentation process, this processing side
Formula has obvious effects on the germs such as living body roundworm egg and Escherichia coli, but to noxious materials such as heavy metal cadmium, lead, arsenic, chromium and
Antibiotic treatment effect is limited, and more than the 800 tons of quinolone drugs that China produces every year, only this kind of antibiotic just has half
It is used for aquaculture, the organic-inorganic complex fertilizer produced with such feces of livestock and poultry is by the serious of heavy metal and antibiotic
Pollution, after incorporation of fertilizerin the soil, noxious material is absorbed by crops, and is accumulated in vivo, and the product of harvest must after being eaten
Slow poisoning is generated, human health is seriously damaged.And production process is to guarantee material granulating effect, needs to be added a large amount of viscous
Soil is used as adhesive, and a large amount of steam and water is added as amount of liquid phase needed for granulating.Therefore, the organic matter of fertilizer and nitrogen, phosphorus, potassium
Nutrients ratio can be only sustained at lower degree, and product moisture content is high, and generally between 10-12%, resting period long grain is easy
Dusting influences mechanical application.Above-mentioned these problems cause fertilizer quality not high, influence crop quality, destroy ecological environment, danger
Evil human health is not able to satisfy the needs of green food and organic agriculture production.
Summary of the invention
The object of the present invention is to provide a kind of organic and inorganic environmental protection and public nuisance free compound fertilizer, which can be not only provided with
Machine matter, nitrogen, phosphorus, potassium reach improvement soil, improve fertilizer efficiency, make crop yield, improve the effect of crop quality, and can also keep away
Exempt from pollution and the harm to the mankind brought by the noxious materials such as heavy metal cadmium, lead, arsenic, chromium and antibiotic.
It is another object of the present invention to improve material granulating rate using secondary granulation technology, do not need that promotion granulating is separately added
Clay and a large amount of liquid phase steam of supplement or water, reduce system drying load, it is energy-saving, it is difficult to solve organic fertilizer granulating
Problem.Manufactured product has the advantages that nutrient content is high, moisture content is low, granule strength is good, at low cost.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of organic and inorganic environmental protection and public nuisance free is compound
Fertilizer, mass percent are as follows:
Feces of livestock and poultry 20-25%；
Wormcast 5-10%；
Humic acid 10-15%；
Urea 25-30%；
Monoammonium phosphate 14-24%；
Potassium chloride 8-18%；
Double superhosphate 5-8%.
The preparation method of the organic and inorganic environmental protection and public nuisance free compound fertilizer, comprising the following steps:
(1) removal of feces of livestock and poultry heavy metal
1.1 add amino acid and ethylenediamine tetra-acetic acid in moisture content 60-70%, the feces of livestock and poultry of content of organic matter 40-42%, adopt
Chelating agent ethylenediamine tetra-acetic acid is used to chelate the huge sum of money in feces of livestock and poultry simultaneously using amino acid soak extraction with chemical extraction method
Belong to ion, amino acid has the resistance for promoting plant growth, improving crop compared with other organic acids, improves the photosynthetic of crop
The advantages of effect；
1.2 are dehydrated treated feces of livestock and poultry by sludge dewatering equipment, remove the heavy metal ion contained in feces of livestock and poultry
Waste water obtains moisture content 40-50%, removes the feces of livestock and poultry of removing heavy metals；
(2) preparation of wormcast
2.1 the effluent containing heavy metal ions in step (1) are added to crushing crop straw, soya-bean cake, vinasse mixture in, system
It must be suitble to the earthworm base-material of earthworm growth and breeding；
2.2 are put into earthworm in proportion in earthworm base-material, and injected volume is every cube of 0.07-0.075kg, obtain wormcast, and real
The harmless treatment of existing heavy metal ion, solve it is existing be difficult to handle using solution in chemical treatment method, cause heavy metal
The environmental issue of secondary waste water pollution；
(3) removal of feces of livestock and poultry antibiotic
3.1 physical method
The feces of livestock and poultry for removing removing heavy metals in step (1) is evenly distributed in daylight canopy, material thickness 15-20cm, heap
Putting the time is 4-6 days, and every turning in 2 days is primary, and the degradation of antibiotic is realized using illumination；
3.2 chemical method
The pH value of the feces of livestock and poultry of the processing of set-up procedure 3.1 is added oxidant and simultaneously blends uniformly between 8.0-9.0, when stacking
Between 3-5 days, realize the antibiotic in chemical method removal feces of livestock and poultry, we are by a large amount of test discovery, the direct shadow of pH value
Reaction effect is rung, optimal pH value is between 8-9；
3.3 biological method
Microbial bacterial agent is added in the feces of livestock and poultry handled by step 3.2 and blends uniformly, feces of livestock and poultry and microbial bacteria
The ratio of agent is 1000:3；
(4) compost fermentation
4.1 by the feces of livestock and poultry for removing removing heavy metals and hormone prepared through the above steps, through the above steps (2) preparation earthworm
Earthworm excrement and humic acid are uniformly mixed, and obtain the mixed material for fermentation；
4.2 adjustment moisture contents, so that the moisture content for fermenting mixture material reaches 50-60%；
The mixed material for adjusting moisture content is piled wide 3m, high 2m, long 20 wedge-shaped heap body by 4.3；
4.4 when heap temperature reach 75 DEG C and continue maintain 72 it is small when after carry out turning；
4.5 compost fermentation times were 15-20 days, and innoxious organic fertilizer raw material is made；
(5) granulating method compound fertilizer producing equipment is utilized, by urea, monoammonium phosphate, potassium chloride, double superhosphate, passes through above-mentioned step
Suddenly the innoxious organic fertilizer raw material prepared is added rotary drum granulator through computer metering and carries out first time granulation, utilizes in granulation process
The viscosity of double superhosphate uses steam as amount of liquid phase and completes material granulation process, object in rotary drum granulator as adhesive
The control of material temperature degree is at 65-75 DEG C, granulation time 7-9min；
(6) material after being granulated for the first time enters vibration sieve, sieve diameter 2.0mm, and the particle of the 2.0mm or more after dusting cover enters
Drying machine, 2.0mm powdery fines below enter after granulating disc carries out secondary granulation and enter drying machine；To prevent from once making
Material after grain frequent the problem of blocking up sieve pore, is sieved, vibrating riddler due to the viscosity that moisture is big and has using vibration sieve
It is sieve vibration as principle, stifled sieve pore can be effectively solved the problems, such as compared with rotary screen and vibrating screen；
(7) control of drying machine inlet temperature is at 110-125 DEG C, drying time 30-35 min；
(8) material after drying enters cooler, cooling time 30-35 min；
(9) material is sieved through dusting cover and scalping respectively after cooling, between 2.0-2.5mm of dusting cover sieve diameter, scalping sieve diameter
4.5mm, the bulky grain after granular material and scalping screening after dusting cover return to rotary drum granulator after crushing, and qualified product enters packet
Film machine is packed after anti-caking is handled.
Feces of livestock and poultry in the step (1): amino acid: the mass ratio of ethylenediamine tetra-acetic acid is 500:5:2.
The ratio of feces of livestock and poultry and oxidant is 100:1 in the step (3), and the oxidant is potassium permanganate and weight chromium
The combination of one or both of sour potassium.
Microbial bacterial agent is one or both of bacillus subtilis and bacillus licheniformis group in the step (3)
It closes.
The Source Organic Matter of organic fertilizer raw material obtained is feces of livestock and poultry, wormcast and humic acid in the step (4).
Product total nutrient Han Liang≤35%, You machine matter the Han Liang≤15%, Shui divides Han Liang≤2.5%, and therefore, product is strong
Degree is high, prevented from caking, and long time stored particle will not occur and become mildewed and the problem of dusting.
The present invention has the following advantages compared with prior art:
1, the present invention effectively removes the heavy metal ion in feces of livestock and poultry using chemical extraction method, and realizes heavy metal by earthworm
The harmless treatment of ion, the discharge without waste water, waste liquid in production are solved and existing are difficult to using solution in chemical treatment method
Processing, causes the environmental issue of heavy metal wastewater thereby secondary pollution.
2, the present invention solves antibiotic dirt using antibiotic in the method removal feces of livestock and poultry of physics, chemistry and biology
Dye environment and the problem of endangering human health, product Source Organic Matter obtained is feces of livestock and poultry, wormcast and humic acid, with it
Its Organic-inorganic fertilizer is compared, and is had Source Organic Matter diversification and nuisanceless, is conducive to the characteristics of crop is absorbed and utilized.
3, the present invention improves material granulating rate using secondary granulation technology, does not need that the clay and benefit for promoting granulating is separately added
A large amount of liquid phase steam or water are filled, system drying load is reduced, it is energy-saving, solve the problems, such as that organic fertilizer granulating is difficult.It is made
Product have the advantages that nutrient content is high, granule strength is good, at low cost.
4, the secondary granulation technology that the present invention uses is that the material after being granulated first time sieves, the powdery after screening
Material removes secondary granulation, ensure that the fineness of secondary granulation material, it is therefore prevented that the particle after primary granulation becomes through secondary granulation
Bulky grain beyond standard greatly reduces the quantity of bulky grain, reduces the load of subsequent broken process and due to bulky grain
The broken irregular particle generated, improves product quality.
5, the secondary granulation technology that the present invention uses is to first pass through rotary drum granulator to carry out first time granulation, realizes granulation
The addition of amount of liquid phase steam, then secondary granulation is carried out by granulating disc, steam cannot be added by solving granulating disc
Problem.
6, product moisture Han Liang≤2.5% of the invention, far below the national standard that Shui divides Han Liang≤12%, therefore, product
Intensity is high, prevented from caking, and long time stored particle will not occur and become mildewed and the problem of dusting, be suitable for mechanical application.
Detailed description of the invention
Fig. 1 is the flow chart of preparation method of the invention.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments:
As shown in Figure 1:
Organic and inorganic environmental protection and public nuisance free compound fertilizer of the invention, mass percent are as follows:
Feces of livestock and poultry 20-25%；
Wormcast 5-10%；
Humic acid 10-15%；
Urea 25-30%；
Monoammonium phosphate 14-24%；
Potassium chloride 8-18%；
Double superhosphate 5-8%.
The preparation method of the organic and inorganic environmental protection and public nuisance free compound fertilizer, comprising the following steps:
(1) removal of feces of livestock and poultry heavy metal
1.1 add amino acid and ethylenediamine tetra-acetic acid in moisture content 60-70%, the feces of livestock and poultry of content of organic matter 40-42%, adopt
Chelating agent ethylenediamine tetra-acetic acid is used to chelate the huge sum of money in feces of livestock and poultry simultaneously using amino acid soak extraction with chemical extraction method
Belong to ion；
1.2 are dehydrated treated feces of livestock and poultry by sludge dewatering equipment, remove the heavy metal ion contained in feces of livestock and poultry
Waste water obtains moisture content 40-50%, removes the feces of livestock and poultry of removing heavy metals；
(2) preparation of wormcast
2.1 the effluent containing heavy metal ions in step (1) are added to crushing crop straw, soya-bean cake, vinasse mixture in, system
It must be suitble to the earthworm base-material of earthworm growth and breeding；
2.2 are put into earthworm in proportion in earthworm base-material, and injected volume is every cube of 0.07-0.075kg, obtain wormcast, and real
The harmless treatment of existing heavy metal ion；
(3) removal of feces of livestock and poultry antibiotic
3.1 physical method
The feces of livestock and poultry for removing removing heavy metals in step (1) is evenly distributed in daylight canopy, material thickness 15-20cm, heap
Putting the time is 4-6 days, and every turning in 2 days is primary, and the degradation of antibiotic is realized using illumination；
3.2 chemical method
The pH value of the feces of livestock and poultry of the processing of set-up procedure 3.1 is added oxidant and simultaneously blends uniformly between 8.0-9.0, when stacking
Between 3-5 days, realize chemical method removal feces of livestock and poultry in antibiotic.
3.3 biological method
Microbial bacterial agent is added in the feces of livestock and poultry handled by step 3.2 and blends uniformly, feces of livestock and poultry and microbial bacterial agent
Ratio be 1000:3.
(4) compost fermentation
4.1 by the feces of livestock and poultry for removing removing heavy metals and hormone prepared through the above steps, through the above steps (2) preparation earthworm
Earthworm excrement and humic acid are uniformly mixed, and obtain the mixed material for fermentation；
4.2 adjustment moisture contents, so that the moisture content of the mixed material for fermentation reaches 50-60%；
The mixed material for adjusting moisture content is piled wide 3m, high 2m, long 20 wedge-shaped heap body by 4.3；
4.4 when heap temperature reach 75 DEG C and continue maintain 72 it is small when after carry out turning；
4.5 compost fermentation times were 15-20 days, and innoxious organic fertilizer raw material is made.
(5) granulating method compound fertilizer producing equipment is utilized, by urea, monoammonium phosphate, potassium chloride, double superhosphate and is passed through upper
The innoxious organic fertilizer raw material for stating step preparation is added rotary drum granulator through computer metering and carries out first time granulation, in granulation process
Using the viscosity of double superhosphate as adhesive, uses steam as amount of liquid phase and complete material granulation process, rotary drum granulator
The control of interior temperature of charge is at 65-75 DEG C, granulation time 7-9min；
(6) material after being granulated for the first time enters vibration sieve, sieve diameter 2.0mm, and the particle of the 2.0mm or more after dusting cover enters
Drying machine, 2.0mm powdery fines below enter after granulating disc carries out secondary granulation and enter drying machine.
(7) control of drying machine inlet temperature is at 110-125 DEG C, drying time 30-35 min；
(8) material after drying enters cooler, cooling time 30-35 min；
(9) material is sieved through dusting cover and scalping respectively after cooling, between 2.0-2.5mm of dusting cover sieve diameter, scalping sieve diameter
4.5mm, the bulky grain after granular material and scalping screening after dusting cover return to rotary drum granulator after crushing, and qualified product enters packet
Film machine is packed after anti-caking is handled.
Feces of livestock and poultry in the step (1): amino acid: the mass ratio of ethylenediamine tetra-acetic acid is 500:5:2.
The ratio of feces of livestock and poultry and oxidant is 100:1 in the step (3), and the oxidant is potassium permanganate and weight chromium
The combination of one or both of sour potassium, two kinds of combinations are any proportions.
Microbial bacterial agent is one or both of bacillus subtilis and bacillus licheniformis group in the step (3)
It closes, two kinds of combinations are any proportions.
The Source Organic Matter of organic fertilizer raw material obtained is feces of livestock and poultry, wormcast and humic acid in the step (4).
Product total nutrient Han Liang≤35%, You machine matter the Han Liang≤15%, Shui divide Han Liang≤2.5%.
Below by example, the invention will be further elaborated:
Embodiment 1
Prepare nitrogen, phosphorus, potassium content 15% -10% -10%, the content of organic matter 16%, by taking 1 ton of products material norm quota of consumption as an example:
Specific production procedure:
(1) removal of feces of livestock and poultry heavy metal
1.1 add 2kg amino acid and 0.8kg ethylenediamine tetraacetic in 200kg moisture content 60%, the feces of livestock and poultry of the content of organic matter 40%
Acetic acid is used in chelating agent ethylenediamine tetra-acetic acid chelating feces of livestock and poultry using chemical extraction method using amino acid soak extraction simultaneously
Heavy metal ion；
1.2 are dehydrated treated feces of livestock and poultry by sludge dewatering equipment, remove the heavy metal ion contained in feces of livestock and poultry
Waste water obtains moisture content 45%, removes the feces of livestock and poultry of removing heavy metals；
(2) preparation of wormcast
2.1 the effluent containing heavy metal ions in step (1) are added to crushing crop straw, soya-bean cake, vinasse mixture in, system
It must be suitble to the earthworm base-material of earthworm growth and breeding；
2.2 are put into earthworm in proportion in earthworm base-material, and injected volume is every cube of 0.075kg, obtain wormcast, and realize a huge sum of money
Belong to the harmless treatment of ion；
(3) removal of feces of livestock and poultry antibiotic
3.1 physical method
The feces of livestock and poultry for removing removing heavy metals in step (1) is evenly distributed in daylight canopy, material thickness 15cm, when stacking
Between be 4 days, every turning in 2 days is primary, utilize illumination realize antibiotic degradation；
3.2 chemical method
The pH value of the feces of livestock and poultry of the processing of set-up procedure 3.1 is added 2kg potassium permanganate and blends uniformly, pilling up time 5 to 8.5
It, realizes the antibiotic in chemical method removal feces of livestock and poultry.
3.3 biological method
0.4kg bacillus subtilis and 0.2kg bacillus licheniformis is added in the feces of livestock and poultry handled by step 3.2 and blends
Uniformly.
(4) compost fermentation
4.1 50kg for removing removing heavy metals and hormone feces of livestock and poultry, (2) preparation through the above steps that will be prepared through the above steps
Wormcast (mass percent contains organic matter 35%) and 100kg humic acid (mass percent contains organic matter 65%) are uniformly mixed,
Obtain the mixed material for fermentation；
4.2 adjustment moisture contents, so that the moisture content of the mixed material for fermentation reaches 55%；
The mixed material for adjusting moisture content is piled wide 3m, high 2m, long 20 wedge-shaped heap body by 4.3；
4.4 when heap temperature reach 75 DEG C and continue maintain 72 it is small when after carry out turning；
4.5 compost fermentation times were 16 days, and innoxious organic fertilizer raw material is made.
(5) granulating method compound fertilizer producing equipment is utilized, by urea (mass percent similarly hereinafter contains N 46.2%) 290kg, phosphorus
Sour monoammonium (contains N 11%, P2O 54%) 147kg, potassium chloride (contain K2O 62%) 163kg, double superhosphate (contain P2O543.5%)
50kg and the innoxious organic fertilizer raw material prepared through the above steps are added rotary drum granulator through computer metering and make for the first time
, using the viscosity of double superhosphate as adhesive in granulation process, amount of liquid phase is used steam as, is granulated by 8min
Afterwards, it is sieved into the vibration sieve of sieve diameter 2.0mm, 2.0mm powdery fines below enters granulating disc and carries out two
The particle of 2.0mm or more after secondary granulation and after dusting cover enters drying machine, and drying machine inlet temperature is 115 DEG C, drying 30min into
Row cools down, and sieves respectively through the screening of sieve diameter 2.0mm dusting cover and sieve diameter 4.5mm scalping after cooling 30 min, after dusting cover
Granular material return to rotary drum granulator together through broken with the bulky grain after scalping, qualified product enters coating machine, carries out anti-caking
It is packed after block processing, obtains the Organic-inorganic fertilizer that granularity is 2-4.5mm.Product is 15.02%-containing N-P2O5-K2O
10.02% -10.10%, the content of organic matter 16.25%.
Embodiment 2
Prepare nitrogen, phosphorus, potassium content 15% -15% -5%, the content of organic matter 17%, by taking 1 ton of products material norm quota of consumption as an example:
Specific production procedure:
(1) removal of feces of livestock and poultry heavy metal
1.1 add 2.05kg amino acid and 0.82kg second two in 205kg moisture content 60%, the feces of livestock and poultry of the content of organic matter 42%
Amine tetraacethyl uses chelating agent ethylenediamine tetra-acetic acid to chelate animal dung simultaneously using chemical extraction method using amino acid soak extraction
Just the heavy metal ion in；
1.2 are dehydrated treated feces of livestock and poultry by sludge dewatering equipment, remove the heavy metal ion contained in feces of livestock and poultry
Waste water obtains moisture content 45%, removes the feces of livestock and poultry of removing heavy metals；
(2) preparation of wormcast
2.1 the effluent containing heavy metal ions in step (1) are added to crushing crop straw, soya-bean cake, vinasse mixture in, system
It must be suitble to the earthworm base-material of earthworm growth and breeding；
2.2 are put into earthworm in proportion in earthworm base-material, and injected volume is every cube of 0.07kg, obtain wormcast, and realize a huge sum of money
Belong to the harmless treatment of ion；
(3) removal of feces of livestock and poultry antibiotic
3.1 physical method
The feces of livestock and poultry for removing removing heavy metals in step (1) is evenly distributed in daylight canopy, material thickness 15cm, when stacking
Between be 5 days, every turning in 2 days is primary, utilize illumination realize antibiotic degradation；
3.2 chemical method
The pH value of the feces of livestock and poultry of the processing of set-up procedure 3.1 is added 2.05kg potassium bichromate and simultaneously blends uniformly to 8.5, when stacking
Between 5 days, realize chemical method removal feces of livestock and poultry in antibiotic.
3.3 biological method
0.315kg bacillus subtilis and 0.3kg bacillus licheniformis is added in the feces of livestock and poultry handled by step 3.2 and mixes
It is mixed even.
(4) compost fermentation
4.1 by the feces of livestock and poultry for removing removing heavy metals and hormone prepared through the above steps, through the above steps (2) preparation
50kg wormcast (mass percent contains organic matter 35%) and 105kg humic acid (mass percent contains organic matter 65%) mixing are equal
It is even, obtain the mixed material for fermentation；
4.2 adjustment moisture contents, so that the moisture content of the mixed material for fermentation reaches 58%；
The mixed material for adjusting moisture content is piled wide 3m, high 2m, long 20 wedge-shaped heap body by 4.3；
4.4 when heap temperature reach 75 DEG C and continue maintain 72 it is small when after carry out turning；
4.5 compost fermentation times were 18 days, and innoxious organic fertilizer raw material is made.
(5) granulating method compound fertilizer producing equipment is utilized, by urea (mass percent similarly hereinafter contains N 46.2%) 270kg, phosphorus
Sour monoammonium (contains N 11%, P2O 54%) 238kg, potassium chloride (contain K2O 62%) 82kg, double superhosphate (contain P2O543.5%)
50kg and the innoxious organic fertilizer raw material prepared through the above steps are added rotary drum granulator through computer metering and make for the first time
, using the viscosity of double superhosphate as adhesive in granulation process, amount of liquid phase is used steam as, is granulated by 8min
Afterwards, it is sieved into the vibration sieve of sieve diameter 2.0mm, 2.0mm powdery fines below enters granulating disc and carries out two
The particle of 2.0mm or more after secondary granulation and after dusting cover enters drying machine, and drying machine inlet temperature is 120 DEG C, drying 35min into
Row cools down, and sieves respectively through the screening of sieve diameter 2.0mm dusting cover and sieve diameter 4.5mm scalping after cooling 35min, after dusting cover
Granular material returns to rotary drum granulator through broken with the bulky grain after scalping together, and qualified product enters coating machine, carries out anti-caking
It is packed after processing, obtains the Organic-inorganic fertilizer that granularity is 2-4.5mm.Product contains N-P2O5—K2O is 15.12%-
15.08% -5.08%, the content of organic matter 17.18%.
It is low that the present invention solves organic-inorganic composite fertilizer product nitrogen made from traditional granulating method, phosphorus, potassium nutrition content,
Generally between 20%-25%, product moisture is high, and Source Organic Matter contains the nuisances such as heavy metal cadmium, lead, arsenic, chromium and antibiotic
Matter causes environmental pollution and endangers the public hazards such as human health.Material granulating rate is improved using secondary granulation technology, does not need to be added
Promote the clay of granulating and supplement a large amount of liquid phase steam or water, solves the problems, such as that organic fertilizer granulating is difficult.Manufactured product tool
Have the advantages that nutrient content is high, granule strength is good, at low cost, and product Source Organic Matter is feces of livestock and poultry, wormcast and corruption
Phytic acid has Source Organic Matter diversification, is conducive to crop and is absorbed and utilized.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of organic and inorganic environmental protection and public nuisance free compound fertilizer, which is characterized in that its mass percent is as follows:
Feces of livestock and poultry 20-25%；
Wormcast 5-10%；
Humic acid 10-15%；
Urea 25-30%；
Monoammonium phosphate 14-24%；
Potassium chloride 8-18%；
Double superhosphate 5-8%.
2. the preparation method of the organic and inorganic environmental protection and public nuisance free compound fertilizer, comprising the following steps:
(1) removal of feces of livestock and poultry heavy metal
1.1 moisture content 60-70%, content of organic matter 40-42% feces of livestock and poultry in add amino acid and ethylenediamine tetra-acetic acid, adopt
Chelating agent ethylenediamine tetra-acetic acid is used to chelate the huge sum of money in feces of livestock and poultry simultaneously using amino acid soak extraction with chemical extraction method
Belong to ion；
1.2 are dehydrated treated feces of livestock and poultry by sludge dewatering equipment, remove the heavy metal ion contained in feces of livestock and poultry
Waste water obtains moisture content 40-50%, removes the feces of livestock and poultry of removing heavy metals；
(2) preparation of wormcast
2.1 the effluent containing heavy metal ions in step (1) are added to crushing crop straw, soya-bean cake, vinasse mixture in, system
It must be suitble to the earthworm base-material of earthworm growth and breeding；
2.2 are put into earthworm in proportion in earthworm base-material, and injected volume is every cube of 0.07-0.075kg, obtain wormcast, and real
The harmless treatment of existing heavy metal ion；
(3) removal of feces of livestock and poultry antibiotic
3.1 physical method
The feces of livestock and poultry for removing removing heavy metals in step (1) is evenly distributed in daylight canopy, material thickness 15-20cm, heap
Putting the time is 4-6 days, and every turning in 2 days is primary, and the degradation of antibiotic is realized using illumination；
3.2 chemical method
The pH value of the feces of livestock and poultry of the processing of set-up procedure 3.1 is added oxidant and simultaneously blends uniformly between 8.0-9.0, when stacking
Between 3-5 days, realize chemical method removal feces of livestock and poultry in antibiotic；
3.3 biological method
Microbial bacterial agent is added in the feces of livestock and poultry handled by step 3.2 and blends uniformly, feces of livestock and poultry and microbial bacteria
The ratio of agent is 1000:3；
(4) compost fermentation
4.1 by the feces of livestock and poultry for removing removing heavy metals and hormone prepared through the above steps, through the above steps (2) preparation earthworm
Earthworm excrement and humic acid are uniformly mixed, and obtain the mixed material for fermentation；
4.2 adjustment moisture contents, so that the moisture content for fermenting mixture material reaches 50-60%；
4.3 pile the mixed material for adjusting moisture content the wedge-shaped heap body of wide 3m, high 2m, long 20m；
4.4 when heap temperature reach 75 DEG C and continue maintain 72 it is small when after carry out turning；
4.5 compost fermentation times were 15-20 days, and innoxious organic fertilizer raw material is made；
(5) granulating method compound fertilizer producing equipment is utilized, by urea, monoammonium phosphate, potassium chloride, double superhosphate and passes through above-mentioned step
Suddenly the innoxious organic fertilizer raw material prepared is added rotary drum granulator through computer metering and carries out first time granulation, utilizes in granulation process
Double superhosphate uses steam as amount of liquid phase and completes material granulation process, temperature of charge in rotary drum granulator as adhesive
Control is at 65-75 DEG C, granulation time 7-9min；
(6) material after being granulated for the first time enters vibration sieve, sieve diameter 2.0mm, and the particle of the 2.0mm or more after dusting cover enters
Drying machine, 2.0mm powdery fines below enter after granulating disc carries out secondary granulation and enter drying machine；
(7) control of drying machine inlet temperature is at 110-125 DEG C, drying time 30-35 min；
(8) material after drying enters cooler, cooling time 30-35 min；
(9) material is sieved through dusting cover and scalping respectively after cooling, between 2.0-2.5mm of dusting cover sieve diameter, scalping sieve diameter
4.5mm, the bulky grain after granular material and scalping screening after dusting cover return to rotary drum granulator after crushing, and qualified product enters packet
Film machine is packed after anti-caking is handled.
3. organic and inorganic environmental protection and public nuisance free compound fertilizer according to claim 1, which is characterized in that in the step (1)
Feces of livestock and poultry: amino acid: the mass ratio of ethylenediamine tetra-acetic acid is 500:5:2.
4. organic and inorganic environmental protection and public nuisance free compound fertilizer according to claim 1, which is characterized in that in the step (3)
The ratio of feces of livestock and poultry and oxidant is 100:1；The oxidant is one or both of potassium permanganate and potassium bichromate group
It closes.
5. organic and inorganic environmental protection and public nuisance free compound fertilizer according to claim 1, which is characterized in that in the step (3)
Microbial bacterial agent is the combination of one or both of bacillus subtilis and bacillus licheniformis.
6. organic and inorganic environmental protection and public nuisance free compound fertilizer according to claim 1, which is characterized in that in the step (4)
The Source Organic Matter of organic fertilizer raw material obtained is feces of livestock and poultry, wormcast and humic acid.
7. organic and inorganic environmental protection and public nuisance free compound fertilizer according to claim 1, which is characterized in that product total nutrient contains
Liang≤35%, You machine matter Han Liang≤15%, Shui divide Han Liang≤2.5%.
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| CN110663465A (en) * | 2019-09-10 | 2020-01-10 | 铜仁万山九丰现代农业科技有限公司 | Pepper seedling growing method |
| CN111217624A (en) * | 2020-01-16 | 2020-06-02 | 福建省田伯生物肥有限公司 | Preparation method of antibiotic-free high-quality organic fertilizer for livestock and poultry manure |
| CN111517887A (en) * | 2020-04-20 | 2020-08-11 | 张瑞霞 | Efficient production method of granular organic fertilizer |
| CN111559940A (en) * | 2020-04-20 | 2020-08-21 | 张瑞霞 | Special cotton fertilizer containing all-nitrogen and preparation method thereof |
| CN114751797A (en) * | 2022-05-31 | 2022-07-15 | 山东聚义兴生物工程有限公司 | Method for rapidly preparing fertilizer from cage-rearing chicken manure by utilizing decomposition technology |
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| CN111517887A (en) * | 2020-04-20 | 2020-08-11 | 张瑞霞 | Efficient production method of granular organic fertilizer |
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Application publication date: 20190607 |