CN107686399A - Composite fertilizer based on agitating device, simple substance fertilizer prilling process - Google Patents
Composite fertilizer based on agitating device, simple substance fertilizer prilling process Download PDFInfo
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- CN107686399A CN107686399A CN201710801964.XA CN201710801964A CN107686399A CN 107686399 A CN107686399 A CN 107686399A CN 201710801964 A CN201710801964 A CN 201710801964A CN 107686399 A CN107686399 A CN 107686399A
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- agitating device
- cylinder
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- granulating
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- 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
-
- 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
-
- 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
- B01J2/10—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
-
- 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
- B01J2/12—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 drums
-
- 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
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of composite fertilizer based on agitating device, simple substance fertilizer prilling process, including：Mixing heating：The rotating speed and temperature of agitating device are adjusted, fertilizer material and solid granulation agent are added in agitating device, material in agitating device is sufficiently mixed and is heated up, wherein, solid granulation agent accounts for the 0 ~ 3% of material gross weight；Powder granulating：When material rises to assigned temperature, liquid granulating agent is added thereto, adjusting the rotating speed of agitating device makes material collide reunion granulating in agitating device, wherein, liquid granulating agent accounts for the 0.7 ~ 1.5% of material gross weight.The prilling process is formulated strong adaptability, disclosure satisfy that the granulating of nearly all formula, production temperature is low, good mixing property, it can ensure that micro synergist is uniformly effectively scattered, granulation process energy consumption is low, and equipment investment is low, production cost is low, and institute is high into granule strength, disclosure satisfy that the demand of mechanical fertilization.
Description
Technical field
The present invention relates to composite fertilizer, simple substance fertilizer production field, and in particular to the composite fertilizer based on agitating device, simple substance fertilizer are made
Grain method.
Background technology
With the development of China's modern agriculture, soil measurement formula and mechanical fertilization area coverage gradually increase, sought around plant
The foster fertilizer design that carries out is increasingly universal, and these propose many new requirements to fertilizer, it is desirable to which fertilizer formula variation, simple substance are fertile
Granulating, middle trace element, plant growth regulator, various inhibitor etc. effectively add and it is dispersed, granule strength is high,
Granule density and epigranular etc..
Existing compound fertilizer granulating method mainly has granulating method, slurry process/half-stuff method, melting method, extrusion.
, the problem of following common be present in wherein granulating method, slurry process/half-stuff method, fusion method these three techniques：
（1）It is limited to produce product product rule, it is difficult to individually meet the granulation of multiple formulations.Pellet granulation technique to material tack requirements compared with
It is high, it is difficult to produce low-phosphorous, high nitrogen, the composite fertilizer of high potassium；Slurry process/half-stuff method, which is granulated, needs enough slurries to be sprayed into
Grain, it is difficult to high potassium compound fertilizer is produced, and drying process temperature is higher, nitrogen content is higher to cause seriously viscous wall and particle deformation,
It is unsuitable for producing high-nitrogen compound fertilizer；Melting high tower method can be difficult to the high phosphorus composite fertilizer produced due to blocking shower nozzle, and due to it
Technique limits in itself, it is difficult to produces low nitrogen composite fertilizer.（2）It is high to produce temperature, energy consumption is high, and is difficult to ensure that high temperature easy in inactivation
Effective addition of synergist.Above-mentioned three kinds of technique, granulating method, slurry process/half-stuff method, granulation process liquid phase requirement is more, institute
High into particle water content, it is necessary to which particle is dried, drying process temperature is far above 100 DEG C, and melting high tower method needs raw material
It is warming up to more than 100 DEG C to mix with fusing urea, system temperature is higher, and these all make it that granulation process energy consumption is higher, and limits
The addition of the synergist of high temperature easy in inactivation.（3）Mixed effect is bad, it is difficult to trace element in guarantee, plant growth regulator,
The micro synergist such as various inhibitor is dispersed.Above-mentioned three kinds of prillings, using relatively simple hybrid mode to thing
Material is simply mixed, and even a great number of elements N P and K can also have the uneven phenomenon of mixing, it is difficult to ensure micro synergist
Effective mixing.
Extruder grain refers to the effect using mechanical pressure, makes a kind of dry granulation of dry material reunion granulating.
For other three kinds of methods, extrusion can farthest meet the granulation of multiple formulations, and extrusion raw material without
High-temperature process need to be passed through, institute is into particle typically without drying.But extruder grain exist one it is larger the shortcomings that, formed particle or
For elongated shape or it is shallow shell shape, shape is not mellow and full, it is impossible to good and other particle mixtures, and it is difficult in adapt to mechanical fertilization
Demand, in addition, there is also the shortcomings of mixed is poor, local temperature is high, equipment attrition is big for extruder grain.
More research is carried out for the limited aspect of existing granulating technique production product product rule both at home and abroad, number of patent application is
200510034341.1 patent of invention, by setting broken and extruding and rotation nozzle apparatus in comminutor, solve
Prilling spry blockage problem so that limitation of the high-tower granulation to high phosphorus composite fertilizer is resolved, but due to high tower process characteristic, its
Granulation to low nitrogen composite fertilizer is still difficult to；Number of patent application be 01135652.9,201110106528.3,
201210381367.3 and 200710111767.1 patent of invention, different adhesive for granulating has been invented respectively, has been applied
During granulating method or mortar gunite method compound fertilizer granulating so that highly concentrated, low-viscosity compound fertilizer granulating is achieved, but these
Moisture needed for method granulation process is more, and institute is required to drying into particle could be up to standard, causes production process energy consumption higher and limits
The addition of high temperature easy in inactivation synergist is made.
More research is also carried out for existing granulating technique production temperature height, the high this respect of energy consumption both at home and abroad, specially
The patent of invention of sharp Application No. 200610037389.2 and 201210033696.9, three steps are used in high tower method is melted respectively
The continuous progressively falling temperature method of series connection and the method for addition fluxing agent reduce urea melting temperature, so as to reduce production temperature, reduce energy
Consumption.But minimum more than 100 DEG C of the urea melting temperature of this several method, temperature, energy consumption are still of a relatively high, and these techniques
The problem of high-tower granulation production product product rule are limited can not be changed；Number of patent application be 201310026585.X and
200410039219.9 patent of invention, respectively in granulating method using propylhomoserin reaction produce reaction heat and urea sulfate reaction and
Ureasulfuric acid produces reaction heat to provide prilling temperature with ammonia reaction, reduces heating energy consumption.But these methods are added without foster mostly
Divide binder amount excessive, and institute is high into particle water content, drying procedure temperature, energy consumption are higher, it is difficult to ensure that new type high temperature is volatile
Effective addition of fiery synergist.
At present, it is directed in compound fertilizer production technology that mixed effect is poor, trace mineral supplement is difficult to mixed uniformly ask both at home and abroad
Topic is 201310112482.5 patent of invention there has been no sufficient research, number of patent application, is disclosed a kind of containing microorganism
The production method of high tower compound fertilizer, a microorganism part is added in melting charge slurry, a part adds particle in the form of applying powder
Surface, to form the relatively uniform and slightly higher validity micro organism composite fertilizer that contains, this method is using the form of face powder to micro increasing
It is higher to imitate the tack requirements of agent, and synergist is difficult to ensure that in the adhesion intensity and dispersing uniformity of particle surface.
Analyze and understand above, existing prilling is advised there is product product and is limited, and produces temperature height, high energy consumption, mixing
The problems such as ineffective, and not yet can effectively solve the problem that these problems currently for the research in terms of these.
The content of the invention
It is an object of the invention to provide a kind of composite fertilizer based on agitating device, simple substance fertilizer prilling process, solves existing
Product product rule are limited existing for technique, and production temperature is high, high energy consumption, the problems such as mixed effect difference.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of composite fertilizer based on agitating device, simple substance fertilizer prilling process, including：
Mixing heating：The rotating speed and temperature of agitating device are adjusted, fertilizer material and solid granulation agent are added in agitating device, made
Material is sufficiently mixed and heated up in agitating device, wherein, solid granulation agent accounts for the 0 ~ 3% of material gross weight；
Powder granulating：When material rises to assigned temperature, liquid granulating agent is added thereto, adjusting the rotating speed of agitating device makes material
Reunion granulating is collided in agitating device, wherein, liquid granulating agent accounts for the 0.7 ~ 1.5% of material gross weight.
The invention discloses a kind of composite fertilizer based on agitating device, simple substance fertilizer prilling process, and according to formula material
Characteristic, supporting granulating agent and process of granulation adaptable therewith are developed, finally gives a kind of composite fertilizer based on agitating device
Prilling process.The present invention is using agitating device as granulating apparatus so that material in cylinder by the centrifugal force of suitable size,
Cause the strong collision between material powder to act on, between material powder due to superpower colliding forces and in close proximity to, so as to
So that material is combined under van der Waals interaction, this mode of action set Common advantages of extrusion and granulating method, energy
Enough meet the granulation of nearly all formula, and enable to material granulating under the conditions of low temperature is low-moisture, institute need not into particle
Dry, can solve the problem that the problem of existing process produces high temperature, high energy consumption；Meanwhile the present invention according to formula material characteristic and into
Grain equipment energy characteristic, supporting granulating agent and process of granulation adaptable therewith are developed, the dosage of binding agent can be greatly decreased, reduce
Because the nutrient loss brought and cost increase is excessively added in binding agent；In addition, this method institute is high into granule strength, particle diameter
It is uniform with Density Distribution, the demand of mechanical fertilization is disclosure satisfy that, it is granulated, and equipment arrangement is simple, and equipment investment reduces, and raw material is thrown
Money is few so that production cost is greatly reduced.
As preferable, after the crushing granulation step, also carry out successively：
Polish rounding：After grain diameter reaches 2 ~ 4mm scopes, remove agitating device and be polished rounding processing；
Screening cooling：Screening process is carried out to the particle after polishing rounding, the product cooling up to standard that will be screened out, what is screened out is thin
Powder returns to agitating device, and agitating device is returned after the bulky grain product screened out is broken；
Packaging detection：Product up to standard after cooling is cooled down, and samples and is detected.
Each process is connected in order, and granulation process is carried out under the conditions of low moisture, and institute need not dry into product, without configuration
Drying device, and due to, as granulating apparatus, without agitating device and granulating apparatus is separately configured, being reduced using agitating device
Equipment investment.
As preferable, the agitating device includes base and the cylinder rotated on base；
The cylinder is obliquely installed and top surface is provided with charging aperture, bottom surface is provided with discharging opening, and being provided with L-shaped in the cylinder copies
Plate, the L-shaped flight base are slided along the relative motion of cylinder bottom surface, side along cylinder inboard wall is relative；
Be provided with rotor and spray equipment in the cylinder, the rotor and barrel body rotation it is in opposite direction, rotor include rotating shaft with
The stirrer being arranged in rotating shaft, the stirrer rotate by axle of rotating shaft, and stirrer includes bottom plate and the setting of concave polygon
In the stirring rod of plate upper surface.
Its cylinder of the agitating device of the application and rotor counter-rotating produce high shearing force so that frequency is collided between material
Rate is high, and colliding forces are strong, and particle is bound to each other to form between material.Liquid spraying device is provided with the top of agitating device,
Mixing can be integrated, be granulated, this mode of action can adapt to the granulation of nearly all formula, can effectively solve the problem that existing work
The problem of skill production product product rule are limited.The setting of wherein unique rotor is enhanced between material and between material and rotor
Shock, be advantageous to improve material mixed effect and strengthen product particle intensity.Inclined cylinder is set, L-shaped flight
Be provided with beneficial to all materials participate in mix, improve mixed effect.
As preferable, top surface and the side of the cylinder relatively rotate, and the L-shaped flight top is fixedly connected on cylinder
Top surface on.
As preferable, in the mixing heating step, the mesh of the granularity of the fertilizer material and solid granulation agent≤40, rise
Warm speed is 1 ~ 6 DEG C/min, and drum speed is 10 ~ 50 r/min, and rotor speed is 20 ~ 200 r/min.
Heating rate and heating-up time, the production efficiency of product, the addition of liquid phase and energy consumption are closely related, eventually
Only temperature（As temperature needed for granulating）It is to be determined by the material performance of product and the process conditions of production.Selection is suitable to rise
Warm speed and prilling temperature, granulating characteristic and reduction material production energy consumption for control material have great importance.
As preferable, the rotor has two or more, is set gradually from top to bottom along rotating shaft, the bottom of the rotor of bottom
Plate lower surface is provided with the polyfluortetraethylene plate of abrasionproof, and the rotating shaft top passes cylinder and motor connection.
Multiple rotors are set, improve stirring efficiency, in addition to extend the life-span, the bottom plate and cylinder of rotor are generally metal material
Material, to avoid the two phase mutual friction from causing damage, service life is reduced, bottom plate lower surface is provided with the polytetrafluoroethylene (PTFE) of abrasionproof
Plate.
As preferable, the angle of the cylinder and horizontal plane is 0 ~ 20 °, and cylinder is supporting to be provided with heater, favorably
In the mixing of material and granulation outcome it is more preferable.
As preferable, in the powder granulation step, temperature of charge is maintained at 40 ~ 65 DEG C, and drum speed is 20 ~ 120
R/min, rotor speed are 70 ~ 500 r/min.
Cylinder and rotor be between differential maintains 90 ~ 620r/min between the two, about existing pellet granulation technique
100 ~ 600 times, such high differential can bring high shear force so that material can be collided fully, because strong collision is made between material
With and in close proximity to, it is be combined with each other under higher van der Waals interaction, is that nearly all formula can granulating and granule strength
The main reason for high, in addition, discrepancy in elevation speed belt come strong collision act on cause material between adhesion strengthen, institute into granule strength compared with
It is high.
As preferable, the solid granulation agent is clay, starch and its modifier, humic acid, humate, silicic acid
One or more in sodium, magnesia, calcium oxide, calcium sulfate, calcium carbonate, higher territory, aluminum sulfate.
As preferable, in powder granulation step, the liquid granulating agent is water or polyurethane, polyvinyl alcohol, poly- second two
It is one or more of in alcohol, polyacrylamide, ureaformaldehyde, gelatin, APP, polyacrylic acid, Ludox, PIC
The aqueous solution, and the solid content of the aqueous solution is 0.01 ~ 14%..
The characteristic of solid granulation agent used herein and liquid granulating agent all in accordance with raw material（Surface including raw material is special
Mixed characteristic, chemical property of raw material etc. between property, raw material）Configured with the mechanism of granulating, the selection of specificity granulating agent is equipped with
The collision particle formation mechanism of high differential, the dosage of granulating agent can be greatly decreased, reduce because the unreasonable use of granulating agent causes
Nutrient loss and cost increase..
Compared with prior art, beneficial effects of the present invention are at least one of following：
1. adaptability to raw material is strong：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process, the stirring of use
Between differential maintains 90 ~ 620r/min between the two, high differential speed rotation produces high shearing force for device, its cylinder and rotor,
So that collision frequency increase between material, colliding forces enhancing, between material and material, is mutually squeezed between material and equipment
Pressure, under the collective effect for extruding and reuniting, is bound to each other to form particle between material.This prilling, plus exploitation
Granulation aid, it disclosure satisfy that including balanced type, high nitrogen type, high phosphorous, Gao Jiaxingdeng composite fertilizers and potassium chloride, potassium sulfate, chlorination
Nearly all composite fertilizer including the simple substance fertilizer such as ammonium, ammonium sulfate includes the granulation of various simple substance fertilizer, and it is special to can adapt to current fertilizer
With changing, be formulated diverse developing direction.
2. it is low to produce temperature：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process, because it is special
Different prilling so that temperature is relatively low needed for granulating, and moisture content amount needed for granulation process is between 0.7 ~ 1.5%, and institute is into particle
Being not required to drying can be up to standard, and whole low temperature effectively reduces energy consumption and ensure that effective addition of high temperature easy in inactivation synergist.
3. the control of product nutrient is accurate：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process,
Its granulation apparatus is to be improved to form by agitating device, high shear force caused by its cylinder and the high differential speed rotation of rotor, and it inclines
Oblique cylinder is set and the design of " L " type scraper plate enables material to be sufficiently mixed, even micro middle trace element, suppression
Agent, plant growth regulator, soil conditioner etc. can be also well mixed, and ensure the uniformity of each particle.
4. granule strength is high：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process, its material
Collide and combine under strong colliding forces so that adhesion strengthens between material, and institute is higher into granule strength, can meet long distance
From transport and the demand of mechanical fertilization.
5. consumption of binder is few：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process, it is described
High nitrogen type, high potassium type and various simple substance fertilizer, all more difficult granulating in granulation process, the present invention it is former according to all kinds composite fertilizer
Interactively between the characteristic and raw material of material, select suitable binding agent or exploitation new therewith inside existing binding agent
Applicable binding agent so that minimal amount of binding agent can just reach good granulation, greatly reduce making for binding agent
Dosage.
6. production cost is low：Composite fertilizer of the present invention based on agitating device, simple substance fertilizer prilling process, collection are mixed
Close, be granulated, drying in one, equipment arrangement is simple, reduces cost of investment, saves artificial and management cost；Production process from
Dry, save drying cost；Production process consumption of binder is few, and the super nutrient control loss of raw material is few, saves cost of material.So as to
Composite heat transfer cost is greatly decreased.
Brief description of the drawings
Fig. 1 is the structural representation of prilling granulator of the present invention.
Fig. 2 is the top view of rotor of the present invention.
Fig. 3 is the upward view of rotor of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Specific embodiment 1：
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is simple substance fertilizer ammonium sulfate to make fertilizer,
Carry out as follows：
（1）Raw material prepares：According to the characteristic of ammonium sulfate, appropriate solid granulation agent is selected, accurately weighs and is crushed to≤40 purposes
The kg of ammonium sulfate 963, the kg of urea 17, the kg of calcium sulfate 30；
（2）Mixing heating：Unlatching agitating device, regulation rotor speed to 200 r/min, regulation drum speed to 10 r/min,
Raw material and calcium sulfate are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 6 DEG C/min, initial temperature is room temperature；
（3）Powder granulating：Weigh 15 kg solid contents and rise to 50 ~ 55 in temperature of charge for the 3% PAMC aqueous solution
DEG C when add in cylinder, regulation rotor speed is to 500 r/min, and regulation drum speed is to 20 r/min, and material is in comminutor
Collide reunion granulating；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 630, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 1.02%, granule strength 40N,
Grain nitrogen content is 20.5%.
Specific embodiment 2：
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is simple substance fertilizer potassium chloride to make fertilizer,
Carry out as follows：
（1）Raw material prepares：According to the characteristic of potassium chloride, appropriate solid granulation agent is selected, accurately weighs the kg of potassium chloride 970, silicon
The sour kg of sodium 20, the kg of aluminum sulfate 10；
（2）Mixing heating：Unlatching agitating device, regulation rotor speed to 200 r/min, regulation drum speed to 38 r/min,
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 3 DEG C/min, initial temperature is room
Temperature；
（3）Powder granulating：Weigh 15 kg solid contents and add cylinder when temperature of charge rises to 58 ~ 60 DEG C for 13.3% acidic silicasol
In body, regulation rotor speed to 500 r/min, to 68 r/min, material is collided and is agglomerated into regulation drum speed in comminutor
Grain；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 690, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 0.98%, granule strength 54N,
Grain potassium content is 60%.
Specific embodiment 3
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is 20-20-0 to make compound fertilizer formula
（S）, carry out in accordance with the following steps：
（1）Raw material prepares：According to compound fertilizer formula 20-20-0（S）Raw material dosage is calculated, according to composite fertilizer's formula property, accurately
Weigh the kg of urea 141, the kg of MAP 455, the kg of ammonium sulfate 405；
（2）Mixing heating：Agitating device is opened, regulation rotor speed to 20 r/min, regulation drum speed to 50r/min will
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 1 DEG C/min, initial temperature is room
Temperature；；
（3）Powder granulating：Weigh 5 kg water to add in cylinder when temperature of charge rises to 50 ~ 55 DEG C, regulation rotor speed to 70
R/min, for regulation drum speed to 120 r/min, material collides reunion granulating in comminutor；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 710, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 0.92%, granule strength 32N.
Specific embodiment 4
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is 15-0-33 to make compound fertilizer formula
（S）, carry out in accordance with the following steps：
（1）Raw material prepares：According to compound fertilizer formula 15-0-33（S）Raw material dosage is calculated, according to composite fertilizer's formula property, selection
Appropriate solid granulation agent, accurately weighs the kg of potassium sulfate 634, the kg of urea 326, the kg of magnesia 10, humic acid 10 kg, water-soluble
Property starch 10 kg；
（2）Mixing heating：Unlatching agitating device, regulation rotor speed to 120 r/min, regulation drum speed to 38 r/min,
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 3 DEG C/min, initial temperature is room
Temperature；
（3）Powder granulating：15 kg solid contents are weighed as 10%（Weight）Polyurethane solutions when temperature of charge rises to 45 ~ 50 DEG C
Add in cylinder, material collides reunion granulating in comminutor；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 650, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 0.12%, granule strength 34N.
Specific embodiment 5
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is 25-8-10 to make compound fertilizer formula
（Cl）, carry out in accordance with the following steps：
（1）Raw material prepares：According to compound fertilizer formula 25-8-10（Cl）Raw material dosage is calculated, according to composite fertilizer's formula property, selection
Appropriate solid granulation agent, the kg of potassium chloride 167, the kg of MAP 182, the kg of urea 344, the kg of ammonium chloride 287 are accurately weighed,
The higher kg of territory 20；
（2）Mixing heating：Unlatching agitating device, regulation rotor speed to 180 r/min, regulation drum speed to 48 r/min,
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 1 DEG C/min, initial temperature is room
Temperature；
（3）Powder granulating：Weigh 5 kg water to add in cylinder when temperature of charge rises to 40 ~ 45 DEG C, regulation rotor speed to 240
R/min, for regulation drum speed to 58 r/min, material collides reunion granulating in comminutor；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 780, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 0.72%, granule strength 42N.
Specific embodiment 6
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is 15-5-25 to make compound fertilizer formula
（S）, carry out in accordance with the following steps：
（1）Raw material prepares：According to compound fertilizer formula 15-5-25（S）Raw material dosage is calculated, according to composite fertilizer's formula property, selection
Appropriate solid granulation agent, the kg of potassium sulfate 500, the kg of MAP 114, the kg of urea 243, the kg of ammonium sulfate 122 are accurately weighed,
The kg of calcium oxide 20；
（2）Mixing heating：Unlatching agitating device, regulation rotor speed to 180 r/min, regulation drum speed to 28 r/min,
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 3 DEG C/min, initial temperature is room
Temperature；
（3）Powder granulating：Weigh the aqueous gelatin solution that 15 kg solid contents are 7% and add cylinder when temperature of charge rises to 55 ~ 60 DEG C
In body, regulation rotor speed to 380 r/min, to 58 r/min, material is collided and is agglomerated into regulation drum speed in comminutor
Grain；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 700, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 1.37%, granule strength 36N.
Specific embodiment 7
The composite fertilizer based on agitating device, simple substance fertilizer prilling process described in the present embodiment, it is 18-18- to make compound fertilizer formula
18（Cl）, carry out in accordance with the following steps：
（1）Raw material prepares：According to compound fertilizer formula 18-18-18（Cl）Raw material dosage is calculated, accurately weighs the kg of potassium chloride 295,
The kg of MAP 409, the kg of urea 290, the kg of ammonium chloride 6；
（2）Mixing heating：Agitating device is opened, regulation rotor speed to 80 r/min, regulation drum speed to 40 r/min will
Raw material and solid granulation agent are added in cylinder, material in cylinder is sufficiently mixed and is heated up with 3 DEG C/min, initial temperature is room
Temperature；
（3）Powder granulating：15 kg water are weighed to add in cylinder when temperature of charge rises to 60 ~ 65 DEG C, regulation rotor speed to
240 r/min, for regulation drum speed to 40 r/min, material collides reunion granulating in comminutor；
（4）Polish rounding：After granular size length to 2 ~ 4 mm scopes, remove comminutor and be polished rounding processing；
（5）Screening cooling：Screening process is carried out after polishing rounding processing, obtains the qualified kg of particle 760, bulky grain is broken after screening
Broken to be mixed into revert system with fine powder, qualified particle cools down into cooler；
（6）Packaging detection：Particle is packed after cooling, and sampling detection product water content is 1.87%, granule strength 33N.
Agitating device used in the embodiment of the present application 1-7 as Figure 1-3, including base 1 and rotates on base 1
Cylinder 2；
The angle of the cylinder 2 and horizontal plane is 0 ~ 20 ° and is obliquely installed and top surface is provided with charging aperture, bottom surface is provided with discharging
Mouthful, it is provided with L-shaped flight 5 in the cylinder 2, the base of L-shaped flight 5 is along the bottom surface relative motion of cylinder 2, side along cylinder 2
Inwall is relative to be slided；The top surface of the cylinder 2 relatively rotates with side, and the top of L-shaped flight 5 is fixedly connected on cylinder 2
On top surface；
Rotor 3, electric heater unit and spray equipment 4, the direction phase that the rotor 3 rotates with cylinder 2 are provided with the cylinder 2
Instead, rotor 3 includes rotating shaft 31 and the stirrer being arranged in rotating shaft 31, and the stirrer is rotated with rotating shaft 31 for axle, stirrer
Bottom plate 32 including concave polygon and the stirring rod 33 for being arranged on the upper surface of bottom plate 32；
The rotor 3 has two or more, is set gradually from top to bottom along rotating shaft 31, the lower surface of bottom plate 32 of the rotor 3 of bottom
The polyfluortetraethylene plate 35 of abrasionproof is provided with, the top of rotating shaft 31 passes cylinder 2 and motor connection.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (10)
1. a kind of composite fertilizer based on agitating device, simple substance fertilizer prilling process, it is characterised in that：Including：
Mixing heating：The rotating speed and temperature of agitating device are adjusted, fertilizer material and solid granulation agent are added in agitating device, made
Material is sufficiently mixed and heated up in agitating device, wherein, solid granulation agent accounts for the 0 ~ 3% of material gross weight；
Powder granulating：When material rises to assigned temperature, liquid granulating agent is added thereto, adjusting the rotating speed of agitating device makes material
Reunion granulating is collided in agitating device, wherein, liquid granulating agent accounts for the 0.7 ~ 1.5% of material gross weight.
2. the composite fertilizer according to claim 1 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
After powder granulation step, also carry out successively：
Polish rounding：After grain diameter reaches 2 ~ 4mm scopes, remove agitating device and be polished rounding processing；
Screening cooling：Screening process is carried out to the particle after polishing rounding, the product cooling up to standard that will be screened out, what is screened out is thin
Powder returns to agitating device, and agitating device is returned after the bulky grain product screened out is broken；
Packaging detection：Product up to standard after cooling is cooled down, and samples and is detected.
3. the composite fertilizer according to claim 1 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
Agitating device includes base (1) and the cylinder (2) rotated on base (1)；
The cylinder (2) is obliquely installed and top surface is provided with charging aperture, bottom surface is provided with discharging opening, is set in the cylinder (2)
There is L-shaped flight (5), L-shaped flight (5) base is slided relatively along cylinder (2) bottom surface relative motion, side along cylinder (2) inwall
It is dynamic；
Be provided with rotor (3) and spray equipment (4) in the cylinder (2), the rotor (3) rotated with cylinder (2) it is in opposite direction,
Rotor (3) includes rotating shaft (31) and the stirrer being arranged in rotating shaft (31), and the stirrer is rotated for axle with rotating shaft (31), stirred
Attached bag is mixed to include the bottom plate (32) of concave polygon and be arranged on the stirring rod (33) of bottom plate (32) upper surface.
4. the composite fertilizer according to claim 3 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
Cylinder（2）Top surface and side relatively rotate, the L-shaped flight（5）Top is fixedly connected on cylinder（2）Top surface on.
5. the composite fertilizer according to claim 3 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
Mix in heating step, the mesh of the granularity of the fertilizer material and solid granulation agent≤40, programming rate is 1 ~ 6 DEG C/min, cylinder
Rotating speed is 10 ~ 50 r/min, and rotor speed is 20 ~ 200 r/min.
6. the composite fertilizer according to claim 3 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
Rotor (3) has two or more, is set gradually from top to bottom along rotating shaft (31), bottom plate (32) lower surface of the rotor (3) of bottom
The polyfluortetraethylene plate (35) of abrasionproof is provided with, rotating shaft (31) top passes cylinder (2) and motor connection.
7. the composite fertilizer according to claim 3 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
The angle of cylinder (2) and horizontal plane is 0 ~ 20 °, and cylinder (2) is supporting to be provided with heater.
8. the composite fertilizer according to claim 1 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
In powder granulation step, temperature of charge is maintained at 40 ~ 65 DEG C, and drum speed is 20 ~ 120 r/min, and rotor speed is 70 ~ 500
r/min。
9. the composite fertilizer according to claim 1 based on agitating device, simple substance fertilizer prilling process, it is characterised in that described
Solid granulation agent be clay, starch and its modifier, humic acid, humate, sodium metasilicate, magnesia, calcium oxide, calcium sulfate,
One or more in calcium carbonate, higher territory, aluminum sulfate.
10. the composite fertilizer according to claim 1 based on agitating device, simple substance fertilizer prilling process, it is characterised in that powder
In granulation step, the liquid granulating agent is water or polyurethane, polyvinyl alcohol, polyethylene glycol, polyacrylamide, ureaformaldehyde, bright
One or more of aqueous solution in glue, APP, polyacrylic acid, Ludox, PIC, and the aqueous solution is consolidated
Content is 0.01 ~ 14%.
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| CN111888913A (en) * | 2020-08-01 | 2020-11-06 | 江苏博恩环境工程成套设备有限公司 | Granular biological filter material for biological deodorization of waste gas based on dewatered sludge of municipal sewage plant, preparation method and application |
| CN109317047B (en) * | 2018-10-22 | 2021-07-23 | 宜昌沃楚农资有限公司 | Compound fertilizer production equipment |
| CN113578155A (en) * | 2021-07-08 | 2021-11-02 | 华侨大学 | Inclined mixing granulator |
| CN114307841A (en) * | 2020-07-29 | 2022-04-12 | 中化云龙有限公司 | Phosphogypsum granulation production line |
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Effective date of registration: 20190111 Address after: 650000 Jinsuo Township Industrial Park, Xundian County, Kunming City, Yunnan Province Applicant after: Zhong Hua Yunlong company limited Address before: 610000 Tenth District, E District, headquarters economic port 888, Jackie Chan Avenue, Longquanyi District, Chengdu, Sichuan, China, 888 Applicant before: Chengdu research and development centre of Zhong Hua chemical fertilizer company limited |
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Application publication date: 20180213 |