CN108484259B - Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process - Google Patents

Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process Download PDF

Info

Publication number
CN108484259B
CN108484259B CN201810296825.0A CN201810296825A CN108484259B CN 108484259 B CN108484259 B CN 108484259B CN 201810296825 A CN201810296825 A CN 201810296825A CN 108484259 B CN108484259 B CN 108484259B
Authority
CN
China
Prior art keywords
inner diameter
fertilizer
machine
granulating
drying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810296825.0A
Other languages
Chinese (zh)
Other versions
CN108484259A (en
Inventor
苏天明
何铁光
李琴
苏利荣
秦芳
曾成城
李卓勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
Original Assignee
Agricultural Resource and Environment Research Institute of Guangxi Academy of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agricultural Resource and Environment Research Institute of Guangxi Academy of Agricultural Sciences filed Critical Agricultural Resource and Environment Research Institute of Guangxi Academy of Agricultural Sciences
Priority to CN201810296825.0A priority Critical patent/CN108484259B/en
Publication of CN108484259A publication Critical patent/CN108484259A/en
Application granted granted Critical
Publication of CN108484259B publication Critical patent/CN108484259B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/14—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating dishes or pans
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/10—Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12—Granules or flakes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a method for improving the laggard capacity of sugarcane mud filtering fertilizer by using a disc granulation process, which comprises the following steps: (1) making a function equation of the fertilizer capacity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying integrated machine; (2) setting a fertilizer capacity target, and respectively calculating the inner diameter of a disc granulator and the inner diameter of a granulating and drying all-in-one machine according to a function equation; (3) selecting equipment suitable for the model, specification and material according to the calculated inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine; (4) preparing a raw material formula, and adding a sugarcane alcohol fermentation concentrated solution as a binder; (5) and carrying out production debugging and determining the optimal operation parameters. The method can be used for producing organic fertilizers, bio-organic fertilizers and organic-inorganic compound fertilizers which take sugarcane filter mud as main raw materials, the yield of the fertilizers is improved by improving the inner diameter specification of key supporting equipment (a disc granulator and a granulating and drying all-in-one machine) and reducing the rotating speed, and meanwhile, the balling rate and the yield of the fertilizers are improved by adding the sugarcane alcohol fermentation concentrated solution as a binder, the fertilizer efficiency is high, and the crop yield is remarkably increased.

Description

Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process
Technical Field
The invention belongs to the field of fertilizer manufacturing processes, and particularly relates to a method for improving the laggard yield of sugarcane mud filtering fertilizer by using a disc granulation process.
Background
Currently, there has been some success in the research of processes and methods related to the manufacture of filter mud fertilizers. For example, patent CN91102320.8 discloses a method for producing fertilizer from filtered mud of cane sugar plant, which comprises adding conditioner into wet filtered mud without drying treatment, stirring and mixing to react to obtain powdery or granular mixed fertilizer with excellent physical properties, and further adding appropriate amount of nitrogen, potassium, rare earth elements, and plant growth regulator to obtain binary or ternary compound fertilizer containing rare earth elements or plant growth regulator.
The patent CN200710009153.2 discloses a method for producing organic-inorganic compound fertilizer by using molasses fermented waste liquid and filter mud, which comprises the steps of sufficiently and continuously fermenting 65-68% of filter mud, 10-12% of bagasse powder, 1.5-2.5% of wheat bran, 16-25% of regulator and other materials in a short time by using 0.4-0.6% of biological humic acid prepared from bagasse by weight percentage, drying after piling to obtain fermented materials containing 10-12% of water, and crushing into filter mud organic fertilizer. Concentrating molasses fermentation waste liquid containing 90% of water into super-concentrated liquid containing 26% -28% of water, uniformly stirring and mixing 30% -33% of the super-concentrated liquid and 9% -10% of the biological humic acid according to weight percentage, adding 32% -34% of chemical fertilizer and 25% -27% of filter mud organic fertilizer, stirring, and performing dry extrusion granulation to obtain the organic-inorganic compound fertilizer.
Patent CN201610999641.1 discloses a method for preparing organic/inorganic mixed active compound fertilizer by using alcohol filter mud, which mainly comprises the steps of preparing an initiator, biological fermentation and seasoning granulation, wherein the initiator is obtained by retting and fermenting pond mud, alcohol waste liquid, biogas liquid fertilizer and slaked lime; stirring the fermentation starter with boiler slag, alcohol filter mud, humic acid and probiotic agent for primary biological fermentation to obtain a biological fermentation fertilizer; the fermented fertilizer is adjusted and then sprayed into a rotary drum granulator to generate the organic/inorganic mixed active compound fertilizer.
The paper of 2007.3 introduces a disk granulation production process of granular filter mud organic-inorganic compound fertilizer (9-4-7, OM is more than or equal to 20%), the filter mud is fermented, dried, crushed, granulated, dried, cooled, screened and packaged, the specification of the disk granulator is 3.5m 0.45m, the power is 7.5KW, 30% of physical particle size in a basin can be controlled to reach 5mm, the specification of a rotary drum dryer is 2m 22m, the power is 15KW, the temperature of a gas inlet is 150 ℃, and the temperature of a gas outlet is 30 ℃.
The above patents and papers mainly relate to a manufacturing process of powdery filter mud fertilizer, but the manufacturing process of granular filter mud fertilizer is less, and only the granulation mode of the granulation process of granular filter mud fertilizer is extrusion granulation, disc granulation or drum granulation, and the specific granulation process, matching relationship between yield and equipment are not disclosed, and the yield and balling rate are lower.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of low productivity and low balling rate of the existing granulating process, and provides a method for improving the laggard capacity of the sugarcane mud filtering fertilizer by using a disc granulating process.
In order to solve the technical problems, the invention adopts the following technical scheme:
the method for improving the laggard capacity of the sugarcane mud filtering fertilizer by using the disc granulation process comprises the following steps:
the method comprises the following steps: the function equations of the fertilizer productivity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine are respectively formulated as follows:
Y1(m)＝2.0509e0.0482X (6t/h≤X≤16t/h)
Y2(m)＝0.9461e0.0706X (6t/h≤X≤16t/h)
wherein Y1 represents the inner diameter of the disc granulator and has the unit of meter; y2 represents the inner diameter of the granulating and drying all-in-one machine is high, and the unit is meter; x represents the fertilizer productivity of the disc granulation process, and the unit is ton/hour;
step two: setting a fertilizer capacity target, and respectively calculating the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine according to the function equation in the step one;
step three: selecting equipment suitable for the type, specification and material according to the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine calculated in the step two;
step four: preparing a raw material formula, and adding a sugarcane alcohol fermentation concentrated solution as a binder;
step five: and carrying out production debugging and determining the optimal operation parameters.
The equipment in the third step comprises a feeding hopper, a pulverizer, a screening machine, a mixing stirrer, a scattering machine, a disc granulator, a granulation and drying integrated machine, a cooling machine, an exhaust fan, a polishing machine, a packaging machine and a roller transmission platform.
In the fourth step, the sugarcane alcohol fermentation concentrated solution is added in a spraying mode at the feed end of the disc granulator, and the spraying amount is 4-10%.
The concentration of the sugar cane alcohol fermentation concentrated solution in the fourth step is 55BX degrees to 65BX degrees.
The technical principle of the invention is as follows:
the extrusion granulation process is a relatively laggard production process, the production efficiency and the balling rate are low, and the balling condition of the fertilizer has high requirements on the types of mixed materials and the moisture content of the materials; the disk granulation is a more advanced production process, and the production efficiency and the balling rate are higher than those of an extrusion granulation process; the higher the inner diameter of the disc granulator and the granulating and drying integrated machine is, the lower the required matched rotating speed is, and the higher the fertilizer productivity is.
The technical principle of the function equation of the fertilizer productivity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine is as follows:
according to investigation, the maximum, middle and minimum production energy of the disc granulation process in the market are respectively 16t/h, 10t/h and 6t/h, the inner diameters of the corresponding disc granulation machines are respectively 4.5m, 3.2m and 2.8m, and the inner diameters of the corresponding granulation and drying integrated machines are respectively 3.0m, 1.8m and 1.5 m. According to the investigation result, the maximum, intermediate and minimum yield values of the disc granulation process in the current market and the inner diameters of the disc granulator and the granulation and drying all-in-one machine matched with the maximum, intermediate and minimum yield values are obtained, and the higher the productivity, the larger the inner diameter can be obtained. According to the relation possibly existing among the disc granulation process, the fertilizer capacity, the inner diameter of the disc granulator and the inner diameter of the granulation and drying all-in-one machine, a large number of repeated tests are carried out, the fertilizer capacity, the inner diameter of the disc granulator and the inner diameter of the granulation and drying all-in-one machine are in exponential function relation, and the function equation of the fertilizer capacity, the inner diameter of the disc granulator and the inner diameter of the granulation and drying all-in-one machine is finally obtained. After the fertilizer capacity target is set, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine can be calculated according to the function equation, and equipment with the suitable type, specification and material can be selected according to the inner diameter.
The invention has the following beneficial effects:
(1) according to the invention, a disk granulation process is used for replacing a backward extrusion granulation process, a function equation of fertilizer capacity, the inner diameter of a disk granulator and the inner diameter of a granulation and drying integrated machine is formulated, after a fertilizer capacity target is set, the inner diameter of the disk granulator and the inner diameter of the granulation and drying integrated machine can be calculated according to the function equation, equipment with suitable models, specifications and materials is selected according to the function equation, and the sugarcane filtered mud fertilizer capacity is improved by improving the inner diameter specification of key matched equipment (the disk granulator and the granulation and drying integrated machine) and reducing the rotating speed.
(2) The concentrated sugarcane alcohol fermentation solution contains high-concentration humic acid, and the humic acid has stronger viscosity at high concentration. The sugarcane alcohol fermentation concentrated solution simultaneously contains rich medium trace elements and organic matters such as nitrogen, phosphorus, potassium, calcium, magnesium, iron, zinc and the like, can provide more nutrients and organic matters for fertilizer production, and reduces the addition of other materials; the main component of organic matters is humic acid which is a plant growth stimulating active component, and the organic matter can promote the growth of crops after being applied to farmlands, so that the utilization rate of the fertilizer is improved, and the fertilizer efficiency and the crop yield are improved.
(3) The method for improving the laggard yield of the sugarcane mud filtering fertilizer by using the disc granulation process can realize that the balling rate of the fertilizer reaches over 78 percent, and the yield of the fertilizer is improved by over 200 percent compared with the extrusion granulation process adopted before improvement.
Detailed Description
Example 1
The Guangxi karst bio-fertilizer industry company Limited, located in the economic and technical development area of the national county of the autonomous district of Guangxi Zhuang nationality, utilizes the rotten filter mud of the sugarcane to produce the granular organic-inorganic compound fertilizer (15-5-7, organic matters are more than or equal to 15%) suitable for the mulberry. The granulating process adopted in 2014 is an extrusion granulating process, the inner diameter of the extrusion granulating machine is 1m high and 6m long, the rotating speed is 3r/min, the binder is kaolin, the fertilizer production capacity is 3t/h, and the balling rate is 30%. In 2015, a method for improving the laggard capacity of sugarcane mud filtering fertilizer by using a disc granulation process is changed into the method, and the method is specifically carried out according to the following steps:
the method comprises the following steps: the function equations of the fertilizer productivity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine are respectively formulated as follows:
Y1(m)＝2.0509e0.0482X (6t/h≤X≤16t/h)
Y2(m)＝0.9461e0.0706X (6t/h≤X≤16t/h)
wherein Y1 represents the inner diameter of the disc granulator and has the unit of meter; y2 represents the inner diameter of the granulating and drying all-in-one machine is high, and the unit is meter; x represents the fertilizer productivity of the disc granulation process, and the unit is ton/hour.
Step two: setting the fertilizer capacity target to be 9.5t/h, and respectively calculating the inner diameter of the disc granulator to be 3.24m and the inner diameter of the granulating and drying all-in-one machine to be 1.85m according to the function equation of the step one.
Step three: and D, selecting equipment suitable for the model, specification and material according to the inner diameter of the disc granulator and the inner diameter of the granulating and drying integrated machine calculated in the step two, wherein the equipment comprises a feeding hopper, a crusher, a screening machine, a mixing stirrer, a scattering machine, a disc granulator, the granulating and drying integrated machine, a cooler, an exhaust fan, a polishing machine, a packaging machine and a roller transmission platform. And (5) dismantling the original equipment and installing new equipment.
Step four: a raw material formula is prepared, as shown in table 1, the sugar cane alcohol fermentation concentrated solution is added as the binder on the basis of taking kaolin as the binder, the sugar cane alcohol fermentation concentrated solution is added in a manner of spraying at the feed end of a disc granulator, the spraying amount is 6.5%, and the concentration is 63BX degrees.
Step five: and carrying out production debugging and determining the optimal operation parameters. The main equipment specifications and operating parameters are as follows: (1) the inner diameter of the disc granulator is 3.24m, the edge height is 0.6m, and the rotating speed is 16 r/min; (2) the inner diameter of the granulation and drying integrated machine is 1.85m, the length is 18.5m, the rotating speed is 3.5r/min, and the hot air temperature is 550 ℃.
The balling rate of the fertilizer obtained by the method is improved to 78 percent, which is 160 percent higher than that of the extrusion granulation process adopted before the improvement; the fertilizer productivity is improved to 9.35t/h, which is 211.67 percent higher than that of the extrusion granulation process adopted before the improvement. The fertilizer obtained by adding the sugarcane alcohol fermentation concentrated solution as the binder has higher utilization rate, better fertilizer efficiency and more obvious crop yield increase.
Example 2
The Guangxi karst bio-fertilizer industry company Limited, located in the economic and technical development area of the city of the Anjiang province of the Guangxi Zhuang nationality, utilizes the rotten filter mud of the sugarcane to produce the granular organic-inorganic compound fertilizer (16-7-11, the organic matter is more than or equal to 15%) suitable for eucalyptus. The granulating process adopted in 2014 is an extrusion granulating process, the inner diameter of the extrusion granulating machine is 1m high and 6m long, the rotating speed is 3r/min, the binder is kaolin, the fertilizer production capacity is 3t/h, and the balling rate is 30%. In 2015, a method for improving the laggard capacity of sugarcane mud filtering fertilizer by using a disc granulation process is changed into the method, and the method is specifically carried out according to the following steps:
the method comprises the following steps: the function equations of the fertilizer productivity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine are respectively formulated as follows:
Y1(m)＝2.0509e0.0482X (6t/h≤X≤16t/h)
Y2(m)＝0.9461e0.0706X (6t/h≤X≤16t/h)
wherein Y1 represents the inner diameter of the disc granulator and has the unit of meter; y2 represents the inner diameter of the granulating and drying all-in-one machine is high, and the unit is meter; x represents the fertilizer productivity of the disc granulation process, and the unit is ton/hour.
Step two: setting the fertilizer capacity target to be 9.5t/h, and respectively calculating the inner diameter of the disc granulator to be 3.24m and the inner diameter of the granulating and drying all-in-one machine to be 1.85m according to the function equation of the step one.
Step three: and D, selecting equipment suitable for the model, specification and material according to the inner diameter of the disc granulator and the inner diameter of the granulating and drying integrated machine calculated in the step two, wherein the equipment comprises a feeding hopper, a crusher, a screening machine, a mixing stirrer, a scattering machine, a disc granulator, the granulating and drying integrated machine, a cooler, an exhaust fan, a polishing machine, a packaging machine and a roller transmission platform. And (5) dismantling the original equipment and installing new equipment.
Step four: a raw material formula is prepared, as shown in table 2, the sugar cane alcohol fermentation concentrated solution is added as the binder on the basis of taking kaolin as the binder, the sugar cane alcohol fermentation concentrated solution is added in a manner of spraying at the feed end of a disc granulator, the spraying amount is 6%, and the concentration is 65BX °.
Step five: and carrying out production debugging and determining the optimal operation parameters. The main equipment specifications and operating parameters are as follows: (1) the inner diameter of the disc granulator is 3.24m, the edge height is 0.6m, and the rotating speed is 16 r/min; (2) the inner diameter of the granulation and drying integrated machine is 1.85m, the length is 18.5m, the rotating speed is 3.5r/min, and the hot air temperature is 550 ℃.
The balling rate of the fertilizer obtained by the method is improved to 81.5 percent, which is 171.67 percent higher than that of the extrusion granulation process adopted before the improvement; the fertilizer productivity is improved to 9.7t/h, which is 223.33 percent higher than that of the extrusion granulation process adopted before the improvement. The fertilizer obtained by adding the sugarcane alcohol fermentation concentrated solution as the binder has higher utilization rate, better fertilizer efficiency and more obvious crop yield increase.
TABLE 1 Mulberry mud organic-inorganic compound fertilizer (15-5-7) raw material formula table
Figure BDA0001618615720000061
Figure BDA0001618615720000071
TABLE 2 Eucalyptus applicable filter mud organic-inorganic compound fertilizer (16-7-11) raw material formula table
Figure BDA0001618615720000072
Figure BDA0001618615720000081

Claims (2)

1. The method for improving the laggard capacity of the sugarcane mud filtering fertilizer by using the disc granulation process is characterized by comprising the following steps of:
the method comprises the following steps: the function equations of the fertilizer productivity, the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine are respectively formulated as follows:
Y1＝2.0509e0.0482X
Y2＝0.9461e0.0706X
wherein Y1 represents the inner diameter of the disc granulator and has the unit of meter; y2 represents the inner diameter of the granulating and drying all-in-one machine is high, and the unit is meter; x represents the fertilizer productivity of the disc granulation process, wherein X is more than or equal to 6 and less than or equal to 16, and the unit is ton/hour;
step two: setting a fertilizer capacity target, and respectively calculating the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine according to the function equation in the step one;
step three: selecting equipment suitable for the type, specification and material according to the inner diameter of the disc granulator and the inner diameter of the granulating and drying all-in-one machine calculated in the step two;
step four: preparing a raw material formula, adding the sugarcane alcohol fermentation concentrated solution as a binder, and spraying at the feed end of a disc granulator, wherein the spraying amount is 4-10%, and the concentration of the sugarcane alcohol fermentation concentrated solution is 55 BX-65 BX degrees;
step five: and carrying out production debugging and determining the optimal operation parameters.
2. The method of claim 1, wherein the third step equipment comprises a hopper, a pulverizer, a screening machine, a mixer-blender, a breaker, a disk pelletizer, a granulating and drying all-in-one machine, a cooler, an exhaust fan, a polishing machine, a packaging machine and a roller transmission platform.
CN201810296825.0A 2018-03-30 2018-03-30 Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process Active CN108484259B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810296825.0A CN108484259B (en) 2018-03-30 2018-03-30 Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810296825.0A CN108484259B (en) 2018-03-30 2018-03-30 Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process

Publications (2)

Publication Number Publication Date
CN108484259A CN108484259A (en) 2018-09-04
CN108484259B true CN108484259B (en) 2021-08-20

Family

ID=63318140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810296825.0A Active CN108484259B (en) 2018-03-30 2018-03-30 Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process

Country Status (1)

Country Link
CN (1) CN108484259B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1055351A (en) * 1991-03-31 1991-10-16 福建省化学工业科学技术研究所 Utilize filtrated sludge of cane sugar refinery to make the method for fertilizer
CN101108779A (en) * 2007-06-20 2008-01-23 福建省诏安县绿洲生化有限公司 Method of manufacturing organic, inorganic compound fertilizer with molasses zymolysis waste liquor and lime sludge
CN104030768A (en) * 2014-07-01 2014-09-10 广西力源宝科技有限公司 Method for fertilizer granulation through molasses alcohol fermentation liquor
CN106518397A (en) * 2016-11-14 2017-03-22 广西新天德能源有限公司 Method for preparing organic/inorganic mixed activated compound fertilizer from ethyl alcohol filter mud

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362809A (en) * 1965-02-03 1968-01-09 Continental Oil Co Apparatus for granulating fertilizer
US3577223A (en) * 1969-08-11 1971-05-04 Flour Corp Slurry distributor
HUE033547T2 (en) * 2011-08-26 2017-12-28 Ekompany Int B V Process for producing a coated fertilizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1055351A (en) * 1991-03-31 1991-10-16 福建省化学工业科学技术研究所 Utilize filtrated sludge of cane sugar refinery to make the method for fertilizer
CN101108779A (en) * 2007-06-20 2008-01-23 福建省诏安县绿洲生化有限公司 Method of manufacturing organic, inorganic compound fertilizer with molasses zymolysis waste liquor and lime sludge
CN104030768A (en) * 2014-07-01 2014-09-10 广西力源宝科技有限公司 Method for fertilizer granulation through molasses alcohol fermentation liquor
CN106518397A (en) * 2016-11-14 2017-03-22 广西新天德能源有限公司 Method for preparing organic/inorganic mixed activated compound fertilizer from ethyl alcohol filter mud

Also Published As

Publication number Publication date
CN108484259A (en) 2018-09-04

Similar Documents

Publication Publication Date Title
CN1271011C (en) Technology for producing green ecological fertilizer using coal humic acid
CN101638341B (en) Method for manufacturing sustained release humic acid polyelement phosphor compound bio-organic fertilizer
CN109438138A (en) A kind of dedicated charcoal base manure in cotton field and preparation method thereof
CN103242084A (en) Slowly released phosphatic fertilizer
CN104030768A (en) Method for fertilizer granulation through molasses alcohol fermentation liquor
CN103936466A (en) Method and device for producing calcium ammonium nitrate
CN104071807B (en) The technique of ammonium thiocyanate is extracted from coking desulfurization waste liquor
CN108484259B (en) Method for improving laggard capacity of sugarcane mud filtering fertilizer by using disc granulation process
CN108484260B (en) Method for improving laggard capacity of sugarcane mud filtering fertilizer by using rotary drum granulation process
CN203855523U (en) Preparation device of calcium ammonium nitrate
CN112851440A (en) Preparation method of environment-friendly organic-inorganic compound fertilizer
CN104876681A (en) Fertilizer combining organic carbon and inorganic nutrients and preparation method of fertilizer
CN104725098A (en) Method for producing all-water-soluble calcium ammonium magnesium nitrate by steel strip granulation
CN108997044A (en) A kind of composite microbe fertilizer and preparation method thereof containing gasifier slag and sludge
CN112980536A (en) Method for preparing biomass by using pulping black liquor
CN103613445A (en) Granular bio-fertilizer and preparation method thereof
CN112811964A (en) Method for preparing secondary element fertilizer by using mother liquor without drying
CN113860971A (en) Continuous production process of one-step method slurry-melting chelating active humic acid compound fertilizer
CN101113113A (en) High-nitrogen organic fertilizer using biogas fertilizer as base-material and preparation method thereof
CN203639360U (en) Slow/controlled-release fertilizer production system
CN106631561A (en) Special organic fertilizer for tea trees
CN106631375A (en) Mineral organic fertilizer
CN204400855U (en) A kind of modified manganese slag Chemical Mixed Fertilizer clean-production system
CN100425577C (en) Technology for manufacturing granular bio-fertilizer utilizing organic waste by granulating firstly and fermenting secondly
CN204454919U (en) The modified manganese slag production of compound fertilizer system of environment-protecting clean

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220509

Address after: No. 174, Daxue East Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region

Patentee after: GUANGXI ZHUANG AUTONOMOUS REGION ACADEMY OF AGRICULTURAL SCIENCES

Address before: 530007 No. 174, University Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region

Patentee before: AGRICULTURAL RESOURCE AND ENVIRONMENT Research Institute GUANGXI ACADEMY OF AGRICULTURAL SCIENCES