CN111533625A - Preparation method for wrapping and drying granular fertilizer - Google Patents
Preparation method for wrapping and drying granular fertilizer Download PDFInfo
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- CN111533625A CN111533625A CN202010525878.2A CN202010525878A CN111533625A CN 111533625 A CN111533625 A CN 111533625A CN 202010525878 A CN202010525878 A CN 202010525878A CN 111533625 A CN111533625 A CN 111533625A
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- Prior art keywords
- fertilizer
- preparation
- drying
- wrapping
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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
-
- 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
-
- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a granular fertilizer wrapping and drying preparation method, relates to the technical field of fertilizer preparation, and comprises the following steps: raw materials required for preparing the fertilizer; step two: pouring all the raw materials and the additives into a mixing and stirring tank, and stirring to fully mix the raw materials and the additives; step three: and pouring the mixed solid fertilizer into a granulator to granulate the fertilizer. According to the invention, the sharp spines are densely distributed on the inclined spine plate, the sharp spines are contacted with the outer wall of the rolled fertilizer particles, and the outer wall of the fertilizer particles is subjected to hole rolling, so that concave holes are fully distributed on the outer wall of the fertilizer particles, the concave holes are convenient to be fully contacted with the wrapping layer, and the wrapping strength of trace materials is increased.
Description
Technical Field
The invention relates to the technical field of fertilizer preparation, in particular to a granular fertilizer wrapping and drying preparation method.
Background
Along with the rapid development of economy and urbanization, the population is increased, the demand of people on crops is more and more increased, so that the crops are required to have higher yield to meet the increasing demand of people, chemical fertilizers are added as a mode for improving the crop yield and are more and more concerned by people, the chemical fertilizers are mostly prepared into granular fertilizers, the granular fertilizers can reduce the hygroscopicity of the fertilizers and reduce the pollution to the environment and are convenient to apply, the granular fertilizers are prepared from chemical fertilizers of superphosphate or ammonium nitrate or are prepared from organic fertilizers and superphosphate by mixing, the application is generally carried out during sowing and can promote the growth of seedlings, the granular fertilizers are for short, and the compound fertilizers are only prepared by a chemical method and are one compound fertilizers with high nutrient content, high nutrient content and high nutrient content, The inorganic coated compound fertilizer (compound fertilizer) is a compound fertilizer (compound fertilizer) with slow release performance formed by coating water-soluble granular fertilizer with one or more of citrate-soluble or slightly-soluble inorganic fertilizer, inorganic compound or mineral as main components, and a coating layer is usually formed by one or more of citrate-soluble calcium magnesium phosphate fertilizer, magnesium ammonium phosphate, powdered rock phosphate, calcium hydrophosphate and compounds containing calcium, magnesium, silicon and trace elements.
But present parcel layer and fertilizer granule be stained with the intensity of attaching less, lead to the parcel layer to drop easily to cause the damage of fertilizer granule and the inefficacy of trace material, and directly dry the fertilizer granule of parcel trace material at present, lead to the parcel layer of fertilizer outer wall to be burnt easily, cause the efficiency inefficacy of parcel layer.
Disclosure of Invention
The invention aims to: in order to solve the problem that the wrapping layer is easy to drop and dry and crack, which easily causes the outer wall of fertilizer particles, the wrapping and drying preparation method for the granulated fertilizer is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method for wrapping and drying a granular fertilizer comprises the following steps:
the method comprises the following steps: raw materials required for preparing the fertilizer;
step two: pouring all the raw materials and the additives into a mixing and stirring tank, and stirring to fully mix the raw materials and the additives;
step three: pouring the mixed solid fertilizer into a granulator to granulate the fertilizer;
step four: placing granulated fertilizer granules on an inclined acanthopore plate, rolling the fertilizer granules on the acanthopore plate, and forming a plurality of concave holes on the outer wall of the acanthopore plate;
step five: putting the plurality of fertilizer granules into a dryer after hole rolling, and drying;
step six: putting the dried fertilizer particles into the trace amount of mixed materials for coating;
step seven: in the coating process, the trace mixed material is bonded with the outer wall of the fertilizer granules and the concave holes through an adhesive;
step eight: putting the fertilizer granules adhered with the trace amount of mixed materials into the starch solution, and adhering the starch solution to the outer walls of the fertilizer granules;
step nine: and (4) putting the fertilizer granules wrapped with the starch solution on the outer wall into a dryer for drying.
Preferably, the mixing and stirring tank in the second step drives the stirring frame to stir and mix the raw materials and the additives through the motor.
Preferably, the blended, softer textured fertilizer pieces are placed in a granulator to convert the fertilizer pieces into a plurality of fertilizer granules.
Preferably, the granulated fertilizer directly falls onto the inclined thorn plate after flowing out of the granulator, and the plurality of sharp thorns on the thorn plate roll holes on the rolled fertilizer granules.
Preferably, the fertilizer granules after being rolled are put into a binder liquid and coated with a layer of binder.
Preferably, the multiple trace materials are mixed with water to form a viscous mixed material, so that the viscous mixed material is conveniently attached to the outer wall of the fertilizer granules through the adhesive.
Preferably, the fertilizer granules wrapped with the trace mixed material are placed into the starch solution, so that the outer walls of the fertilizer granules are adhered with a layer of starch solution, and the phenomenon that the trace material layer is directly dried to cause adverse effects on the trace material layer can be prevented.
Preferably, the fertilizer granules wrapped with the starch solution are placed into a dryer, and the fertilizer is prepared after the fertilizer granules are dried.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a fertilizer coating device, which is characterized in that sharp spines are densely distributed on an inclined spine plate, the sharp spines are contacted with the outer wall of a rolled fertilizer particle and the outer wall of the rolled fertilizer particle is subjected to hole rolling, so that concave holes are fully distributed on the outer wall of the fertilizer particle, the concave holes are conveniently and fully contacted with a coating layer, and the coating strength of trace materials is increased.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a method for preparing a granulated fertilizer by wrapping and drying includes the following steps:
the method comprises the following steps: raw materials required for preparing the fertilizer;
step two: pouring all the raw materials and the additives into a mixing and stirring tank, and stirring to fully mix the raw materials and the additives;
step three: pouring the mixed solid fertilizer into a granulator to granulate the fertilizer;
step four: placing granulated fertilizer granules on an inclined acanthopore plate, rolling the fertilizer granules on the acanthopore plate, and forming a plurality of concave holes on the outer wall of the acanthopore plate;
step five: putting the plurality of fertilizer granules into a dryer after hole rolling, and drying;
step six: putting the dried fertilizer particles into the trace amount of mixed materials for coating;
step seven: in the coating process, the trace mixed material is bonded with the outer wall of the fertilizer granules and the concave holes through an adhesive;
step eight: putting the fertilizer granules adhered with the trace amount of mixed materials into the starch solution, and adhering the starch solution to the outer walls of the fertilizer granules;
step nine: and (4) putting the fertilizer granules wrapped with the starch solution on the outer wall into a dryer for drying.
Example 1
As a preferred embodiment of the present invention: the mixing and stirring tank in the step two drives a stirring frame through a motor to stir and mix the raw materials and the additives;
the mixing and stirring tank can be called as a water phase tank and is widely applied to the industries of coating, medicine, building materials, chemical industry, pigment, resin, food, scientific research and the like, the equipment can be made of carbon steel, stainless steel and other materials according to the process requirements of user products, heating devices and cooling devices are arranged to meet different processes and production requirements, the heating mode is jacket electric heating and coil heating, the equipment is reasonable in structural design, advanced in process and durable, and has the characteristics of simplicity in operation, convenience in use and the like, the equipment is ideal chemical equipment with low investment, high production speed and high income, the operation of the mixing and stirring tank is controlled, a motor on the mixing and stirring tank drives a stirring frame to rotate, fertilizer raw materials and additives in the mixing and stirring tank are stirred and mixed, and the fertilizer raw materials and the additives are uniformly mixed.
Example 2
As a preferred embodiment of the present invention: placing the mixed fertilizer blocks with soft texture into a granulator to change the fertilizer blocks into a large amount of fertilizer particles;
put into the granulator with the fertilizer piece, through a series of processing, become massive fertilizer piece into the granulated fertilizer granule in a large number, the fertilizer of being convenient for uses, novel special granulator of fertilizer is the latest scientific and technological product that agricultural machine institute has been amassed many years compound fertilizer processing equipment design, the experience of production develops and forms, has obtained the national utility model patent, it is used for carrying out the granulation to the various organic matters after the fermentation, break through conventional organic matter granulation technology, need not dry, smash the raw materials before the granulation, the globular granule just can be processed out to direct batching, can save a large amount of energy.
Example 3
As a preferred embodiment of the present invention: after flowing out of the granulator, the granular fertilizer directly falls onto the inclined thorn plate, and a plurality of sharp spines on the thorn plate roll the rolled fertilizer granules;
the spine board of slope is covered with the point thorn densely, and the material of point thorn is stainless steel, is convenient for with the clean health of fertilizer granule contact, and the later stage disinfection of being convenient for, the outer wall contact of fertilizer granule in the spine and the rolling to roll the hole to its outer wall, make the outer wall of fertilizer granule cover the shrinkage pool, the shrinkage pool is convenient for fully contact with the parcel layer, increases parcel intensity.
Example 4
As a preferred embodiment of the present invention: putting the fertilizer granules after hole rolling into adhesive liquid, and coating a layer of adhesive;
putting the fertilizer particles after hole rolling into adhesive liquid, so that the fertilizer particles and the outer walls of the concave holes are uniformly adhered with the adhesive, and trace mixing and adhering the fertilizer particles together are facilitated through the adhesive, wherein the material food adhesive is commonly called meat sticking powder or meat sticking agent, belongs to the food additive category, is commonly called meat sticking powder or meat sticking agent, and belongs to the food additive category, and has the functions of: mainly with various minced meat bonding together, make the minced meat can recombine and recycle, reduce cost and consumption improve product utilization, application scope: aiming at the adhesion of small pieces of meat such as mutton, beef, pork, chicken, fish and the like, the effect is as follows: the bonded product does not crack whether the bonded product is raw meat or heated; the bonded product does not produce water when being thawed and heated, and the freshness of the product is kept; after the product is subjected to bonding forming, no obvious bonding trace storage condition can be seen: drying below 25 deg.C and storing in dark.
Example 5
As a preferred embodiment of the present invention: adding water into various trace materials to mix into a viscous mixed material, so that the viscous mixed material is conveniently attached to the outer wall of fertilizer granules through an adhesive;
the trace elements are about 70, namely the elements with the content of 0.01-0.005% lower than the human body in the human body comprise iron, iodine, zinc, selenium, fluorine, copper, cobalt, cadmium, mercury, lead, aluminum, tungsten, barium, titanium, niobium, zirconium, rubidium, germanium, rare earth elements and the like, the multiple trace materials can increase the nutritional value of the fertilizer, the trace elements can supplement the trace elements after being attached to the outer wall of fertilizer particles through an adhesive, and the trace elements are changed into pasty trace materials after being added with water and additives, so that the fertilizer particles can be conveniently wrapped.
Example 6
As a preferred embodiment of the present invention: the fertilizer granules wrapped with the trace mixed material are put into the starch solution, so that a layer of starch solution is adhered to the outer wall of the fertilizer granules, and the adverse effect on the trace material caused by directly drying the trace material layer can be prevented;
starch is macromolecular carbohydrate and is polymerized by glucose molecules, starch suspension is heated, starch particles begin to absorb water and expand, after reaching a certain temperature, the starch particles suddenly and rapidly expand and continue to rise in temperature, the volume can reach dozens of times or even hundreds of times of the original volume, the suspension becomes semitransparent sticky colloidal solution, the phenomenon is named starch gelatinization, pregelatinized starch is modified starch which is simple to process and wide in application, the starch is prepared into paste by using cold water when in application, the trouble of heating and gelatinization is avoided, the starch pregelatinized starch is widely applied to industries of medicine, food, cosmetics, feed, petroleum drilling, metal casting, textile, paper making and the like, the starch is prepared into starch liquid by adding water, the starch liquid is wrapped on the outer wall of a trace material, the starch liquid on the outer wall of the trace material can be contacted with light source hot air when being dried, and the trace material is prevented from being directly contacted with the light source hot air, thereby avoiding the dry cracking caused by the direct contact of trace materials.
Example 7
As a preferred embodiment of the present invention: putting the fertilizer granules wrapped with the starch solution into a dryer, and drying to finish the preparation of the fertilizer;
the dryer is under the suction of the fan, outside fresh cold air is directly changed into dry hot air after heat exchange with the heater through the air inlet, then the hot air is discharged out of the machine body after heat exchange with fertilizer particles in the roller, the fertilizer particles in the roller are gradually evaporated and dried under the action of the dry hot air, the dryer can be divided into an industrial dryer and a civil dryer, the industrial dryer is also called a drying device or a dryer, the civil dryer is one of washing machines and is generally used for removing moisture in clothes and other textiles after washing and dewatering, and after the fertilizer particles are dried in the dryer, the fertilizer particles are prepared and can be collected and packaged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A preparation method for wrapping and drying granular fertilizer is characterized by comprising the following steps: comprises the following steps:
the method comprises the following steps: raw materials required for preparing the fertilizer;
step two: pouring all the raw materials and the additives into a mixing and stirring tank, and stirring to fully mix the raw materials and the additives;
step three: pouring the mixed solid fertilizer into a granulator to granulate the fertilizer;
step four: placing granulated fertilizer granules on an inclined acanthopore plate, rolling the fertilizer granules on the acanthopore plate, and forming a plurality of concave holes on the outer wall of the acanthopore plate;
step five: putting the plurality of fertilizer granules into a dryer after hole rolling, and drying;
step six: putting the dried fertilizer particles into the trace amount of mixed materials for coating;
step seven: in the coating process, the trace mixed material is bonded with the outer wall of the fertilizer granules and the concave holes through an adhesive;
step eight: putting the fertilizer granules adhered with the trace amount of mixed materials into the starch solution, and adhering the starch solution to the outer walls of the fertilizer granules;
step nine: and (4) putting the fertilizer granules wrapped with the starch solution on the outer wall into a dryer for drying.
2. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: and the mixing and stirring tank in the step two drives the stirring frame to stir and mix the raw materials and the additives through the motor.
3. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: the blended, softer mass of fertilizer is placed in a granulator, which turns the mass of fertilizer into a mass of fertilizer granules.
4. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: after the granular fertilizer flows out of the granulator, the granular fertilizer directly falls onto the inclined thorn plate, and the plurality of sharp thorns on the thorn plate roll the rolled fertilizer granules.
5. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: and putting the fertilizer granules subjected to hole rolling into a binder liquid, and coating a layer of binder.
6. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: the multiple trace materials are mixed with water to form a viscous mixed material, so that the viscous mixed material is convenient to adhere to the outer wall of the fertilizer granules through an adhesive.
7. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: the fertilizer granules wrapped with the trace mixed material are placed into the starch solution, so that the outer walls of the fertilizer granules are adhered with a layer of starch solution, and the phenomenon that the trace material layer is directly dried to cause adverse effects on the trace material layer can be prevented.
8. The preparation method of the granulated fertilizer by wrapping and drying as claimed in claim 1, wherein the preparation method comprises the following steps: and (3) putting the fertilizer granules wrapped with the starch solution into a dryer, and drying to finish the fertilizer preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525878.2A CN111533625A (en) | 2020-06-10 | 2020-06-10 | Preparation method for wrapping and drying granular fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010525878.2A CN111533625A (en) | 2020-06-10 | 2020-06-10 | Preparation method for wrapping and drying granular fertilizer |
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| CN111533625A true CN111533625A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010525878.2A Pending CN111533625A (en) | 2020-06-10 | 2020-06-10 | Preparation method for wrapping and drying granular fertilizer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587211A (en) * | 2004-09-20 | 2005-03-02 | 中国农业科学院土壤肥料研究所 | Process for producing water preserving type film coated urea fertilizer |
| CN103172453A (en) * | 2013-04-23 | 2013-06-26 | 济南乐喜施肥料有限公司 | Slow-release compound fertilizer and production method thereof |
| CN106365778A (en) * | 2016-08-24 | 2017-02-01 | 中化山东肥业有限公司 | High-strength compound fertilizer and preparation method of same |
| CN106396886A (en) * | 2016-08-29 | 2017-02-15 | 贵阳开磷化肥有限公司 | Slow release fertilizer and preparation method thereof |
| CN108840760A (en) * | 2018-09-12 | 2018-11-20 | 众德肥料（烟台）有限公司 | A kind of middle microelement granular fertilizer and preparation method thereof |
-
2020
- 2020-06-10 CN CN202010525878.2A patent/CN111533625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587211A (en) * | 2004-09-20 | 2005-03-02 | 中国农业科学院土壤肥料研究所 | Process for producing water preserving type film coated urea fertilizer |
| CN103172453A (en) * | 2013-04-23 | 2013-06-26 | 济南乐喜施肥料有限公司 | Slow-release compound fertilizer and production method thereof |
| CN106365778A (en) * | 2016-08-24 | 2017-02-01 | 中化山东肥业有限公司 | High-strength compound fertilizer and preparation method of same |
| CN106396886A (en) * | 2016-08-29 | 2017-02-15 | 贵阳开磷化肥有限公司 | Slow release fertilizer and preparation method thereof |
| CN108840760A (en) * | 2018-09-12 | 2018-11-20 | 众德肥料（烟台）有限公司 | A kind of middle microelement granular fertilizer and preparation method thereof |
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Application publication date: 20200814 |
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