CN109311775A - A kind of preparation method of the organic fertilizer slurry based on graphite - Google Patents

A kind of preparation method of the organic fertilizer slurry based on graphite Download PDF

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Publication number
CN109311775A
CN109311775A CN201780035654.XA CN201780035654A CN109311775A CN 109311775 A CN109311775 A CN 109311775A CN 201780035654 A CN201780035654 A CN 201780035654A CN 109311775 A CN109311775 A CN 109311775A
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slurry
organic fertilizer
stalk
graphite
graphite waste
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李铁才
张世凡
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Shenzhen Tatfook Technology Co Ltd
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Shenzhen Tatfook Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Fertilizers (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The preparation method of this application discloses a kind of organic fertilizer slurry based on graphite, comprising: stalk and graphite waste slurry are provided respectively;According to the requirement of organic fertilizer fermentation, the stalk and the graphite waste slurry are mixed and carry out fermentation reaction;According to the requirement of organic fertilizer slurry, the mixture after fermentation reaction is processed into the organic fertilizer slurry.This method can generate graphite graphite waste slurry after processed recycles, and reduction prepares the cost of organic fertilizer slurry.

Description

A kind of preparation method of the organic fertilizer slurry based on graphite
Technical field
This application involves organic fertilizer fields, more particularly to a kind of preparation side of organic fertilizer slurry based on graphite Method.
Background technique
Natural graphite is mixture of the organic-biological with earth's crust transition change in long term, deposition before several hundred million years, essence Product graphite simple substance after refining is widely used.At the same time, the graphite waste slurry yield generated after natural graphite is processed It is very huge, and be not efficiently used.This is because the content of graphite is lower in the graphite waste slurry, recycle Process is complex and at high cost;Its waste emission is directly caused into the serious wasting of resources.
Summary of the invention
The application is mainly solving the technical problems that provide a kind of preparation method of organic fertilizer slurry based on graphite, energy It is enough to solve problem of resource waste caused by graphite waste slurry does not make full use of in the prior art.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of organic fertilizer based on graphite The preparation method of slurry.
Wherein, which comprises
Stalk and graphite waste slurry are provided respectively;
According to the requirement of organic fertilizer fermentation, the stalk and the graphite waste slurry are mixed and fermented Reaction;
According to the requirement of organic fertilizer slurry, the mixture after fermentation reaction is processed into the organic fertilizer slurry.
The beneficial effect of the application is: being in contrast to the prior art, the application can be by the processed rear generation of graphite Graphite waste slurry recycle, avoid the wasting of resources;Meanwhile the graphite waste slurry can be with the stalk Cooperation, prepares organic fertilizer slurry with lower cost, is conducive to the popularization and application of the organic fertilizer slurry.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.Wherein:
Fig. 1 is the flow chart of one embodiment of preparation method of the organic fertilizer slurry the present invention is based on graphite.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this Embodiment in invention, those of ordinary skill in the art are obtained every other under the premise of not making creative labor Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the process of one embodiment of preparation method of the organic fertilizer slurry the present invention is based on graphite Figure, which comprises
S100, stalk and graphite waste slurry are provided respectively;
In the step S100, it is desirable to provide prepare the stalk and graphite waste slurry of the organic fertilizer slurry Material.The stalk can be the stalk not crushed, or smashed stalk.The smashed straw Stalk raw material can come into full contact with the other raw materials for preparing organic fertilizer slurry, improve reaction rate.In one embodiment, institute Stating stalk is smashed stalk.
Further, the stalk is plant fiber powder;The plant fiber powder is the smashed powder of stalk;Straw Stalk is remaining stem and leaf part after plant picking, and the method for generalling use burning is handled, and not only pollutes environment and waste Resource;And stalk is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter etc., is a kind of with multiduty reproducible living resources.It will On the one hand it avoids the waste of resource as stalk, meanwhile, it can using cheap stalk as the stalk The cost for further decreasing the organic fertilizer slurry of preparation, is conducive to the popularization and application of the organic fertilizer.In a reality It applies in example, the stalk includes wheat, rice, corn, potato, oil plant, cotton, sugarcane and other crops after harvesting seed Remainder;The stalk includes in corn stalk, sorghum stalks, wheat straw, straw, rice husk, beanstalk, cotton stalk, sawdust and branch At least one.The selection of the stalk type mainly considers to gather materials on the spot and reduce cost.It such as, can for northern area To select remainder or corn stalk, sorghum stalks, wheat straw, beanstalk, the cotton stalk after harvesting seed such as wheat, corn, potato Deng.Southern area can choose the remainder of rice, oil plant, sugarcane and other crops after harvesting seed.Certainly, may be used To be advantageously selected for reducing other stalks of cost, such as sawdust and branch according to the actual situation.
Further, the partial size of the plant fiber powder is 5-50 microns.Reduce the partial size energy of the plant fiber powder It contacts it more fully with the other raw materials for preparing organic fertilizer slurry, improves reaction rate.But by plants such as stalks Fiber treatment not only increases the performance requirement to disintegrating apparatus, and the plant fibre that partial size is too small at the too small plant fiber powder of partial size It ties up powder and is easy floating in air, keep production process more inconvenient.Therefore, the partial size of the plant fiber powder is 5-50 microns, Such as, 5 microns, 10 microns, 20 microns, 35 microns or 48 microns.In short, can be according to the organic fertilizer slurry preparation process The performance of actual needs and current disintegrating apparatus, the partial size of the suitably described plant fiber powder of comprehensive selection.
The graphite waste slurry is the slurry of the waste material after graphite is processed, and machining graphite process is usually to extract graphite Simple substance, and nutriment and microelement remaining needed for a large amount of suitable biological growths that natural graphite accumulates in forming process In graphite waste slurry, the nutriment and microelement can play work in the fermentation process for preparing organic fertilizer With, on the one hand, the nutriment in the graphite waste slurry can be used as the supplement of stalk, advantageously reduce the straw The dosage of stalk raw material, further reduces the cost.On the other hand, the microelement in the graphite waste slurry can be as catalysis Agent is catalyzed the process of organic fertilizer preparation.
Graphite it is widely used, can be preparation fire resisting correspondingly, the source of the graphite waste slurry is also very wide The graphite waste slurry of material scrap prepares the discarded graphite waste slurry of conductive material, prepares the discarded graphite of lubriation material Waste material slurry, according to the difference of the property of the different materials of preparation and preparation process, the composition of the graphite waste slurry is also deposited In difference.According to the requirement or standard of different organic fertilizer, can be prepared using the graphite waste slurry in corresponding source It is corresponding to meet certain requirements or the organic fertilizer of standard.In one embodiment of the invention, the graphite waste slurry refers to Prepare the discarded graphite waste slurry of graphite electrode.
In one embodiment, the content of graphite of the graphite waste slurry is below 95%.Due to the graphite waste The content of graphite of slurry is low, recycles graphite therein and carries out recycling and needs complicated recycling and purifying technique, cost also compared with It is high.And the lower graphite waste slurry of the content of graphite is used to prepare organic fertilizer and not only starches the graphite waste Material recycle and it is easy to operate.Further, the requirement fermented according to organic fertilizer slurry, by the stalk and Before the graphite waste slurry mixes and carries out fermentation reaction, comprising: starch content of graphite in 95% graphite waste below Material is condensed into half-dried graphite waste slurry.The part water in the graphite waste slurry can be removed by modes such as heating evaporations Point, the content of nutriment and microelement in the graphite waste slurry is improved, better ferment effect is help to obtain.This Outside, the graphite waste pulp concentration is convenient for the transport and use of the graphite waste slurry at half-dried graphite waste slurry. Further, the graphite waste pulp concentration process can be after graphite waste slurry generation, and the stalk is former Any time before material and graphite waste slurry mixing carries out.
Further, the microelements such as nutrients and calcium, magnesium such as nitrogen, phosphorus, potassium are contained in the graphite waste slurry, this On the one hand be conducive to the metabolism of microorganism in fermentation process a bit, improve fermentation efficiency, meanwhile, it is deposited in the fertilizer of preparation In, it is absorbed and utilized for growing process, to improve fertilizer efficiency.Specifically, water content can be in used graphite waste slurry 45%~85%, such as can be 45%, 55%, 65%, 75%, 85% etc..Wherein, in the over dry material of graphite waste slurry In, contain battalion required for the nutrients such as nitrogen, phosphorus, potassium, calcium, sulphur, magnesium, sodium, manganese, iron and some other crop growth Support element.Specifically, (being mass fraction, and the mass fraction is absolute dry mass number) is nitrogenous in graphite waste slurry 0.25%~2.1%, phosphorus 0.6%~3.3%, potassium 0.04%~1%, calcium 0.03%~1%, magnesium 0.05%~1%, sulphur 0.03%~0.12%, sodium 0.02%~0.05%, manganese 0.02%~0.03%, iron 0.02%~0.04%.
S200, the requirement fermented according to organic fertilizer slurry, the stalk and the graphite waste slurry are mixed And carry out fermentation reaction.
In the step S200, to obtain organic fertilizer slurry, the stalk and the graphite waste slurry are mixed Merge and carry out fermentation reaction, the method for obtaining organic fertilizer slurry includes: the requirement according to organic fertilizer fermentation, will be described Stalk and graphite waste slurry mixing, and the yeast that predetermined amount is added carries out fermentation reaction.
The step of fermentation reaction includes: firstly, by described in the stalk of 100 mass parts, 40-100 mass parts The yeast of graphite waste slurry, the water of 50-100 mass parts and 1-3 mass parts is uniformly mixed using churned mechanically mode and is obtained Stalk mixture.Further, the stalk is the composite plant fiber powder for including particle size range at 5-35 microns, The composite plant fiber powder be corn stalk, sorghum stalks, wheat straw, straw, rice husk, beanstalk one of fiber powder or a variety of Mixture, and the mass fraction of not same fiber powder is identical or different.The graphite waste slurry can be half-dried graphite waste Slurry or the not concentrated graphite waste slurry.The water is added to guarantee fermentation process in the ring close to solution It is carried out under border, improves the contact area of different fermentations raw material, be conducive to the promotion of fermentation efficiency.And the yeast can be independent A certain strain, be also possible to composite yeast combination, include a variety of strains in composite yeast combination, can be former by the stalk Material makes full use of, and improves the conversion ratio of fermentation process.The composite yeast combination includes decomposing the fermentation of lignocellulosic molecule Flora, promote the flora to continuously repeat the leavening of fermentation.Since in fermentation process, what strain can be utilized directly is single The fermentable sugars such as sugar, and rich in polysaccharide such as celluloses in stalk, needing to be translated into fermentable sugars could be straight by strain Connect utilization, it is therefore desirable to which the composite yeast combination includes the flora for decomposing the fermentation of lignocellulosic molecule, is made by described The flora that the fermentation of lignocellulosic molecule is decomposed generates lignin decomposition enzyme in metabolic process, by the fiber in the stalk The explanation of the polysaccharide such as element is fermentable sugars, to realize the utilization of the stalk.And the fermentation process in producing is needed using company The mode of supervention ferment carries out, and the leavening for promoting the flora to continuously repeat fermentation can slow down fermentation process product to bacterium The inhibiting effect of kind growth, to guarantee the stabilization of production efficiency and product quality.Further, it is also possible to add additional nitrogen source, such as Dregs of beans, animal wastes etc., by adjusting the C/N ratio in fermentation raw material, to promote the metabolism of strain, certainly, additive amount can It is determined with the needs according to actual production process.
The composite yeast combination includes photosynthetic bacteria, actinomyces, saccharomycete, bacillus, lactic acid bacteria.For fermentation process For, the cooperation of strain and fermentation raw material has significant impact to fermentation efficiency.That is, being directed to different types of stalk, need Fermentation reaction is carried out using different composite yeast combinations and different graphite waste slurries, preferably fermentation effect can be obtained Fruit.When such as the composite plant fiber powder that uses for corn stalk, sorghum stalks, wheat straw, the composite yeast combination includes unwrapping wire Bacterium, saccharomycete, and the additive amount of the graphite waste slurry is 10-30 parts, e.g., 10 parts, 20 parts or 30 parts;What is used is described multiple When conjunction plant fiber powder is rice husk, beanstalk, cotton stalk and sawdust, the composite yeast combination includes saccharomycete, bacillus and cream Sour bacterium, and the additive amount of the graphite waste slurry is 40-80 parts, e.g., 40 parts, 60 parts or 80 parts.By organic fertilizer raw material and After the mixing of graphite waste slurry, before carrying out fermentation reaction, it can be suitably added pH adjusting agent, adjust pH to 6.2~8.5, specifically Such as 6.2,6.5,7.0,7.5,8.0,8.5, then carry out fermentation reaction.
Later, it by the stalk mixture fermentation reaction 8-15 days in the environment of 30-65 DEG C, obtains fermentation and produces Object.The fermentation reaction temperature can be 30 DEG C, 40 DEG C or 65 DEG C etc., since fermentation process is exothermic process, fermentation reaction Temperature is unsuitable excessively high, and selecting 30-65 DEG C can be improved fermentation reaction rate.Correspondingly, fermentation temperature is higher, the fermentation reaction time It is shorter.Such as 30 DEG C ferment 8 days for fermentation 15 days, 40 DEG C for fermentation 13 days, 65 DEG C.During the fermentation, it needs every 8-16 hours The stalk mixture is stirred, e.g., 8 hours, 12 hours or 16 hours, on the one hand makes strain and does not ferment The raw material of reaction comes into full contact with, to improve the efficiency of fermentation process;On the other hand it can make the stalk mixture temperature Uniformly, avoid local temperature is excessively high reaction efficiency is caused to reduce.When the stalk mixture odorless and there are ammonium taste or perfume (or spice) When taste, it is believed that fermentation process is compared completely, can terminate fermentation process, fermentation process by way of stopping heating After, it can also be in (20-35 DEG C) of room temperature stabilization 1-3 days, so that the organic fertilizer property obtained is more stable.Certainly, it is Better ferment effect is obtained, the additives such as growth promotor, strain antiviral agents can be added in the fermentation raw material, Obtain better conversion ratio.
S300, according to the requirement of organic fertilizer slurry, the mixture after fermentation reaction is processed into the organic fertilizer slurry Material.
The tunning is filtered, the organic fertilizer slurry is obtained.Specifically, being removed by way of filtering Impurity and waste in the tunning, obtain slurry mixture, the as described organic fertilizer slurry.The organic fertilizer slurry The nutriment of fermentation process generation is completely saved in material, fertilizer efficiency is high.Meanwhile the organic fertilizer slurry can be applied directly Into soil, use is more convenient.Further, the needs different according to user, the adjustable organic fertilizer slurry Water content.Heretofore described organic fertilizer slurry water content measures in such a way that heating is evaporated, by the organic fertilizer slurry Material sample be heated to solid matter mass it is constant after, determine that the quality for evaporating water accounts for the percentage of the organic fertilizer slurry sample Than water content as the organic fertilizer slurry.Water content is less than 50% in the organic fertilizer slurry obtained after filtering. The water content of the organic fertilizer slurry can be reduced by way of low-temperature heat, the temperature of the low-temperature heat be lower than 80 DEG C, such as 55 DEG C, 65 DEG C or 75 DEG C.It is that high-temperature heating is avoided to destroy microorganism in the organic fertilizer slurry using low-temperature heat Activity, the effect after guaranteeing organic fertilizer slurry application.The water content for adjusting the organic fertilizer slurry can satisfy not With the demand of soil property, more appropriate fertility is obtained.
The present invention is specifically described below by embodiment.
Blank example
1) it combines the composite yeast of the corn stalk of 100 mass parts, the water of 80 mass parts and 3 mass parts, including putting Line bacterium and saccharomycete, meanwhile, it is uniformly mixed using churned mechanically mode and obtains stalk mixture.
2) the stalk mixture is fermented in the environment of 40 DEG C, it is primary every 12h agitation, when the stalk is former Expect mixture odorless and have after ammonia taste (about 13 days), obtains tunning.
3) tunning is filtered and low-temperature heat, obtains the organic fertilizer slurry.
Embodiment 1
1) by the corn stalk of 100 mass parts, the graphite waste slurry of 50 mass parts, 80 mass parts water and 3 mass The composite yeast combination of part, including actinomyces and saccharomycete, meanwhile, it is uniformly mixed using churned mechanically mode and obtains straw Stalk raw mixture.
2) the stalk mixture is fermented, it is primary every 12h agitation, when the stalk mixture without Stink and have after ammonia taste (about 13 days), obtains tunning.
3) tunning is filtered and low-temperature heat, obtains the organic fertilizer slurry.
Embodiment 2
1) by the corn stalk of 100 mass parts, the graphite waste slurry of 40 mass parts, 60 mass parts water and 2 mass The composite yeast combination of part, including saccharomycete, bacillus, lactic acid bacteria, meanwhile, it is mixed using churned mechanically mode It is even to obtain stalk mixture.
2) the stalk mixture is fermented in the environment of 30 DEG C, it is primary every 16h agitation, when the stalk is former Expect mixture odorless and have after ammonium taste (about 15 days), obtains tunning.
3) tunning is filtered and low-temperature heat, obtains the organic fertilizer slurry.
Embodiment 3
1) by the corn stalk of 100 mass parts, the graphite waste slurry of 100 mass parts, 80 mass parts water and 1 mass The composite yeast combination of part, including actinomyces and saccharomycete, meanwhile, it is uniformly mixed using churned mechanically mode and obtains straw Stalk raw mixture.
2) the stalk mixture is fermented in the environment of 65 DEG C, it is primary every 12h agitation, when the stalk is former Expect mixture odorless and have after ammonium taste (about 8 days), obtains tunning.
3) tunning is filtered and low-temperature heat, obtains the organic fertilizer slurry.
The organic fertilizer size performance table of comparisons prepared by the present invention based on graphite of table 1
Project Examination criteria Blank example Embodiment 1 Embodiment 2 Embodiment 3
Organic matter (wt%) ≥45 51 55 63 68
Total nutrient (wt%) ≥5.0 5.8 6.0 6.5 6.6
PH value (pH) 5.5-8.5 5.8 6.5 7.9 5.8
Table 1 is the organic fertilizer size performance table of comparisons prepared by the present invention based on graphite, the organic matter and total nutrient It is measured with drying base, detection method is referring to NY525-2012 organic fertilizer standard.
From table 1 it follows that meeting NY525-2012 organic fertilizer using organic fertilizer slurry prepared by the method for the present invention Material standard can come into operation.Meanwhile during the embodiment 1-3, the graphite waste slurry additional amount is promoted, yeast Additional amount reduces, but total organic matter and total nutrient content increased in the organic fertilizer slurry prepared, shows that the graphite is useless Slurry material can be matched with stalk, the progress of catalystic, fermentative reaction.
The content of beary metal table of comparisons in the organic fertilizer slurry prepared by the present invention based on graphite of table 2
Table 2 is the content of beary metal table of comparisons in the organic fertilizer slurry prepared by the present invention based on graphite, and difference is with much money The measurement for belonging to content is directed to drying base and measures, and detection method is referring to NY525-2012 organic fertilizer standard.
Although from Table 2, it can be seen that being added to this Industry Waste of graphite waste slurry in preparing organic fertilizer slurry Material, still, the content of each heavy metal species is all satisfied examination criteria in the organic fertilizer slurry, and use is safe;In addition, embodiment The content of each heavy metal species difference compared with blank example is little in the organic fertilizer slurry of 1-3 preparation, not will cause a soil huge sum of money Belong to pollution problem.
In addition, total nitrogen, phosphorus, potassium and induced worm egg death rate are all satisfied in organic fertilizer slurry prepared by the present invention through detecting NY525-2012 organic fertilizer standard.
The organic fertilizer slurry income statement prepared by the present invention based on graphite of table 3
Blank example Embodiment 1
Yield comparison 79 mass parts 88 mass parts
The output value compares 1 1.11
Table 3 is the organic fertilizer slurry income statement prepared by the present invention based on graphite, in conjunction with table 1-3 and the content of embodiment As can be seen that embodiment 1 is close with the cost of material and time cost that blank example is put into, but the organic fertilizer slurry of the two preparation Yield it is different, it can be clearly seen that, the yield of organic fertilizer slurry is 1.11 times in blank example in comparative example 1, that is, In the case where identical be passed through, suitable graphite fertilizer slurry is added in fermentation raw material can be by output increased 11%, effectively The output value is improved, is conducive to the price for further decreasing the Unit Weight of the organic fertilizer slurry, promotes its popularization and application.To sum up It is described, the preparation method of the invention discloses a kind of organic fertilizer slurry based on graphite, wherein the described method includes: respectively Stalk and graphite waste slurry are provided;According to the requirement of organic fertilizer fermentation, the stalk and the graphite are given up Slurry material mixes and carries out fermentation reaction;According to the requirement of organic fertilizer slurry, the mixture after fermentation reaction is processed into institute State organic fertilizer slurry.By the above-mentioned means, it includes saccharomycete, gemma bar that the application, which can combine composite yeast described in graphite, The graphite waste slurry of bacterium and lactic acid bacteria recycles, and avoids the wasting of resources;Meanwhile the graphite waste slurry can be with institute Stalk cooperation is stated, organic fertilizer slurry is prepared with lower cost, is conducive to the popularization and application of the organic fertilizer slurry.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (13)

1. a kind of preparation method of the organic fertilizer based on graphite, which is characterized in that the described method includes:
Stalk and graphite waste slurry are provided respectively;
According to the requirement of organic fertilizer fermentation, the stalk and the graphite waste slurry are mixed and ferment anti- It answers;
According to the requirement of organic fertilizer slurry, the mixture after fermentation reaction is processed into the organic fertilizer slurry.
2. the method according to claim 1, wherein the graphite waste slurry is the waste material after graphite is processed Slurry.
3. according to the method described in claim 2, it is characterized in that, the requirement according to organic fertilizer fermentation, by the straw Before stalk raw material and the graphite waste slurry mix and carry out fermentation reaction, comprising:
By the graphite waste pulp concentration at half-dried graphite waste slurry.
4. the method according to claim 1, wherein the stalk is the smashed powder of stalk;It is described The partial size of the smashed powder of stalk is 5-50 microns.
5. the method according to claim 1, wherein the mass fraction of nitrogen is in the graphite waste slurry 0.25%~2.1%.
6. the method according to claim 1, wherein the requirement according to organic fertilizer fermentation, by the straw Stalk raw material and the graphite waste slurry mix and carry out fermentation reaction, comprising:
According to the requirement of organic fertilizer fermentation, the stalk and the graphite waste slurry are mixed, and predetermined amount is added Yeast carry out fermentation reaction.
7. according to the method described in claim 6, it is characterized in that, the yeast is composite yeast combination;The composite yeast Combination is including making the flora of lignocellulosic molecule fermentation decomposition, the promotion flora continuously repeat the leavening of fermentation;It is described Composite yeast combination includes photosynthetic bacteria, actinomyces, saccharomycete, bacillus, lactic acid bacteria.
8. the method according to the description of claim 7 is characterized in that the stalk is different types of stalk;Root Requirement according to different user to the organic fertilizer, the different types of stalk using different composite yeast combinations and Different graphite waste slurries carries out fermentation reaction.
9. the method according to claim 1, wherein the water content of the organic fertilizer slurry is less than 50%.
10. according to the method described in claim 9, it is characterized in that, reducing the organic fertilizer by the way of low-temperature heat The water content of slurry.
11. the method according to claim 1, wherein in the graphite waste slurry P elements mass fraction It is 0.6%~3.3%.
12. the method according to claim 1, wherein in the graphite waste slurry potassium element mass fraction It is 0.04%~1%.
13. the method according to claim 1, wherein in the graphite waste slurry magnesium elements mass fraction It is 0.05%~1%.
CN201780035654.XA 2017-12-27 2017-12-27 A kind of preparation method of the organic fertilizer slurry based on graphite Withdrawn CN109311775A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454085A (en) * 2020-04-28 2020-07-28 黑龙江岑文水稻专业合作社联社 Environment-friendly treatment process for straws in alpine regions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408264B (en) * 2011-08-25 2014-05-14 贵州大学 Organic fertilizer prepared by waste phosphate tailing powder and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454085A (en) * 2020-04-28 2020-07-28 黑龙江岑文水稻专业合作社联社 Environment-friendly treatment process for straws in alpine regions

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Application publication date: 20190205