CN111646858A - Drying-free granulation method for wrapping organic-inorganic compound fertilizer - Google Patents
Drying-free granulation method for wrapping organic-inorganic compound fertilizer Download PDFInfo
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- CN111646858A CN111646858A CN202010525881.4A CN202010525881A CN111646858A CN 111646858 A CN111646858 A CN 111646858A CN 202010525881 A CN202010525881 A CN 202010525881A CN 111646858 A CN111646858 A CN 111646858A
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- raw materials
- compound fertilizer
- drying
- drying agent
- mixing
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/70—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting wettability, e.g. drying agents
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- 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
- B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
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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
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- 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 drying-free granulation method for coating an organic-inorganic compound fertilizer, which relates to the technical field of compound fertilizer granulation and comprises the following steps: preparing raw materials required in the formula of the compound fertilizer; step two: the prepared raw materials are proportioned according to the required components; step three: and pouring the raw materials into a mixing and stirring tank in sequence after the proportioning is finished, and adding a drying agent. According to the invention, the drying agent is added separately twice, and the stirring rod is used for stirring and mixing the raw materials and the drying agent, so that the raw materials of the compound fertilizer are fully contacted with the drying agent, and the drying agent is used for drying the raw materials of the compound fertilizer, thereby effectively solving the problem that the drying is needed before the granulation of the compound fertilizer to increase the production time.
Description
Technical Field
The invention relates to the technical field of compound fertilizer granulation, in particular to a drying-free granulation method for coating an organic-inorganic compound fertilizer.
Background
The compound fertilizer is a chemical fertilizer containing two or more nutrient elements, has the advantages of high nutrient content, less side components, good physical properties and the like, has very important effects on balanced fertilization, improvement of the utilization rate of the fertilizer and promotion of high and stable yield of crops, but also has some defects, such as constant nutrient proportion, and various types, quantities and proportions of nutrient elements required by different soils and different crops, so that soil testing is best performed before use to know the texture and the nutritional condition of the soil in the field, and in addition, the compound fertilizer is also applied by being matched with a unit fertilizer, so that a better effect can be obtained.
But present compound fertilizer granulation needs to be dried before, and drying process can increase the production time of compound fertilizer, and can cause the increase of amount of labour, lead to compound fertilizer production efficiency low, and when current compound fertilizer raw materials mix, generally detect after mixing, if not conform to the standard, then carry out the secondary and mix, the mixed degree of this mode unable in time detection raw materials, lead to the efficiency that can't improve raw materials and mix, and use such as current mixing tank and granulator accomplish after, the workman generally can not wash it, lead to the inside remaining raw materials fermentation of equipment to go mildy, influence the production of other compound fertilizers easily.
Disclosure of Invention
The invention aims to: in order to solve the problems that the production time is increased by drying before compound fertilizer granulation, sampling detection in the raw material mixing process and cleaning is not carried out after equipment use is finished, a drying-free granulation method for coating an organic-inorganic compound fertilizer is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a drying-free granulation method for wrapping organic-inorganic compound fertilizer comprises the following steps:
the method comprises the following steps: preparing raw materials required in the formula of the compound fertilizer;
step two: the prepared raw materials are proportioned according to the required components;
step three: pouring the raw materials into a mixing and stirring tank in sequence after the proportioning is finished, and adding a drying agent;
step four: stirring the raw materials and the drying agent in the mixing and stirring tank to uniformly mix the drying agent and the raw materials;
step five: after the drying agent and the raw materials are uniformly mixed, adding the drying agent again;
step six: stirring the mixed raw materials in the mixing and stirring tank and the secondarily added drying agent to uniformly mix the drying agent and the raw materials;
step seven: in the stirring process, extracting part of the compound fertilizer from the mixing and stirring tank, detecting and judging the mixing degree of the raw materials;
step eight: pouring the mixed raw materials into a granulator for granulation;
step nine: and filtering the granulated compound fertilizer to improve the quality of the compound fertilizer.
Preferably, the raw materials in the first step are nitrogen, phosphorus, organic matters, zinc, copper and the like.
Preferably, in the second step, the prepared raw materials are quantitatively weighed.
Preferably, the proportioned raw materials are poured into a mixing and stirring tank, a proper amount of drying agent is weighed according to the weight of the raw materials, and the drying agent is poured into the mixing and stirring tank.
Preferably, the step four controls the mixing and stirring tank to operate, so that the stirring rod in the mixing and stirring tank mixes the raw materials and the drying agent.
Preferably, the step five and the step six are performed with the second addition of the drying agent, and the drying agent is stirred and mixed with the raw material, so that the drying agent is fully contacted with the raw material, and the raw material is dried.
Preferably, the mixed raw materials of the compound fertilizer are poured into a granulator for granulation treatment in the seventh step, so that the production of the compound fertilizer is finished.
Preferably, the equipment needs to be cleaned and dried inside in time after being used.
Compared with the prior art, the invention has the beneficial effects that: the invention adds the drying agent twice separately, and uses the stirring rod to stir and mix the raw materials and the drying agent, so that the raw materials of the compound fertilizer are fully contacted with the drying agent, thereby leading the drying agent to carry out drying treatment on the raw materials of the compound fertilizer without additionally drying the raw materials, effectively solving the problem that the drying is needed to increase the production time before the granulation of the compound fertilizer, extracting part of mixed raw materials from the mixing and stirring tank for detection in the mixing process, can know the mixing degree of the raw materials in time, is convenient to adjust according to the mixing degree, effectively solves the problem of sampling detection in the mixing process of the raw materials, after the mixing stirring tank and the granulator are used, external cleaning liquid is introduced into the equipment, the cleaning is carried out, and the drying treatment is carried out on the inside of the equipment after the cleaning, so that the problem that the equipment is not cleaned after the use is finished is effectively solved.
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 drying-free granulation method for coating organic-inorganic compound fertilizer includes the following steps:
the method comprises the following steps: preparing raw materials required in the formula of the compound fertilizer;
step two: the prepared raw materials are proportioned according to the required components;
step three: pouring the raw materials into a mixing and stirring tank in sequence after the proportioning is finished, and adding a drying agent;
step four: stirring the raw materials and the drying agent in the mixing and stirring tank to uniformly mix the drying agent and the raw materials;
step five: after the drying agent and the raw materials are uniformly mixed, adding the drying agent again;
step six: stirring the mixed raw materials in the mixing and stirring tank and the secondarily added drying agent to uniformly mix the drying agent and the raw materials;
step seven: in the stirring process, extracting part of the compound fertilizer from the mixing and stirring tank, detecting and judging the mixing degree of the raw materials;
step eight: pouring the mixed raw materials into a granulator for granulation;
step nine: and filtering the granulated compound fertilizer to improve the quality of the compound fertilizer.
Example 1
As a preferred embodiment of the present invention: the raw materials in the first step are nitrogen, phosphorus, organic matters, zinc, copper and the like;
the organic fertilizer mainly refers to a fertilizer formed after fermentation and decomposition of various animals, plants and the like for a certain period, the organic fertilizer contains a large amount of biological substances, animal and plant residues, excrement, biological wastes and other substances, the application of the organic fertilizer can provide comprehensive nutrition for crops, the fertilizer effect is long, soil organic matters can be increased and updated, the microbial propagation is promoted, the physicochemical property and the biological activity of soil are improved, the organic fertilizer is a main nutrient source for green food production, an inorganic fertilizer is a mineral fertilizer, also called a chemical fertilizer, called a chemical fertilizer for short, and the organic fertilizer has the characteristics of simple components, high effective components, high water solubility, quick decomposition, easy absorption of root systems and the like, so the organic fertilizer is called a quick-acting fertilizer, the common chemical fertilizer is an inorganic fertilizer, the inorganic fertilizer refers to a fertilizer produced by a chemical synthesis method, and comprises nitrogen, phosphorus, potassium and compound fertilizers, the inorganic fertilizer and the organic fertilizer are, the compound fertilizer used as the raw material of the compound fertilizer is a chemical fertilizer containing two or more nutrient elements, is wrapped on the raw material of the compound fertilizer, has the advantages of high nutrient content, few side ingredients, good physical properties and the like, plays an important role in balancing fertilization, improving the utilization rate of the fertilizer and promoting the high and stable yield of crops, and common compound fertilizers comprise monoammonium phosphate, diammonium phosphate, potassium nitrate, monopotassium phosphate, phosphorus nitrate and the like.
Example 2
As a preferred embodiment of the present invention: in the second step, the prepared raw materials are quantitatively weighed;
the raw materials wrapped with the organic fertilizer and the inorganic fertilizer are adjusted by weighing and proportioning to obtain the nutrient components required by the compound fertilizer, so that the compound fertilizer can be conveniently processed at the later stage.
Example 3
As a preferred embodiment of the present invention: pouring the proportioned raw materials into a mixing and stirring tank, weighing a proper amount of drying agent according to the weight of the raw materials, and pouring the drying agent into the mixing and stirring tank;
pouring a plurality of proportioned raw materials into a mixing and stirring tank, converting the required component of the drying agent according to the components of the raw materials, weighing, and pouring the weighed drying agent into the mixing and stirring tank.
Example 4
As a preferred embodiment of the present invention: controlling the mixing and stirring tank to operate, so that a stirring rod in the mixing and stirring tank mixes the raw materials and the drying agent;
the motor on the mixing and stirring tank drives the stirring rod to rotate, the raw materials and the drying agent in the mixing and stirring tank are stirred when the stirring rod rotates, so that the raw materials and the drying agent are uniformly mixed, the drying agent can conveniently dry the raw materials, the mixing and stirring tank can be called a water phase tank, and the mixing and stirring tank 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 technological requirements of user products, and is provided with a heating device and a cooling device, so as to meet different process and production requirements, the heating forms comprise jacket electric heating and coil heating, the equipment has the characteristics of reasonable structural design, advanced process, durability, simple operation, convenient use and the like, is ideal chemical equipment with less investment, fast production and high profit, and is convenient for fast and fully mixing raw materials and drying agents.
Example 5
As a preferred embodiment of the present invention: step five, adding a drying agent for the second time in the step six, stirring and mixing the drying agent and the raw materials, fully contacting the drying agent with the raw materials, and drying the raw materials;
after the raw material and the drying agent are uniformly mixed, adding a proper amount of drying agent for the second time, and stirring the mixed raw material and the drying agent added for the second time by using a stirring rod to uniformly mix the drying agent and the raw material, so that the drying treatment is carried out on the raw material by using the drying agent added for the second time, the raw material does not need to be dried, and the drying agent is a substance capable of removing moisture in a wet substance and is divided into two types: chemical desiccants, such as calcium sulfate and calcium chloride, dry by combining with water to form hydrates; physical desiccants, such as silica gel and activated alumina, dry by physically adsorbing water.
Example 6
As a preferred embodiment of the present invention: pouring the mixed raw materials of the compound fertilizer into a granulator for granulation treatment to finish the production of the compound fertilizer;
the compound fertilizer raw materials after drying treatment are poured into a granulator, the compound fertilizer granulator is a granulator for producing compound fertilizers and generally refers to a compound fertilizer double-roller extrusion granulator, a granulating disc circle adopts an integral circular arc structure, the granulating rate can reach more than 93, the granulating disc is provided with three discharge ports, intermittent production operation is facilitated, labor intensity is greatly reduced, labor efficiency is improved, a speed reducer and a motor adopt flexible belt transmission, starting is stable, impact force is reduced, the service life of equipment is prolonged, the bottom of the granulating disc is reinforced by a plurality of radiation steel plates, the granulating disc is firm and durable, never deforms, is thickened, weighted and firm in base design, and does not need to be fixed by anchor bolts, operation is stable, the granulator is subjected to a series of treatments, the compound fertilizer raw materials are crushed into a plurality of small particles.
Example 7
As a preferred embodiment of the present invention: after the equipment is used, the equipment needs to be cleaned and dried in time;
taking out granular compound fertilizer from the granulator, pouring into on the multilayer filter screen, filter, let in mixing agitator tank and granulator with outside clean water simultaneously, keep away from on its inner wall remaining compound fertilizer and wash, wash just, and need carry out drying process through modes such as air-dry and stoving to its inside, make the inside of mixing agitator tank and granulator keep dry, can not lead to the fact the influence to the processing of later stage compound fertilizer.
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 drying-free granulation method for coating organic and inorganic compound fertilizer is characterized in that: comprises the following steps:
the method comprises the following steps: preparing raw materials required in the formula of the compound fertilizer;
step two: the prepared raw materials are proportioned according to the required components;
step three: pouring the raw materials into a mixing and stirring tank in sequence after the proportioning is finished, and adding a drying agent;
step four: stirring the raw materials and the drying agent in the mixing and stirring tank to uniformly mix the drying agent and the raw materials;
step five: after the drying agent and the raw materials are uniformly mixed, adding the drying agent again;
step six: stirring the mixed raw materials in the mixing and stirring tank and the secondarily added drying agent to uniformly mix the drying agent and the raw materials;
step seven: in the stirring process, extracting part of the compound fertilizer from the mixing and stirring tank, detecting and judging the mixing degree of the raw materials;
step eight: pouring the mixed raw materials into a granulator for granulation;
step nine: and filtering the granulated compound fertilizer to improve the quality of the compound fertilizer.
2. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: the raw materials in the first step are nitrogen, phosphorus, organic matters, zinc, copper and the like.
3. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: and in the second step, the prepared raw materials are quantitatively weighed.
4. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: and step three, pouring the proportioned raw materials into a mixing and stirring tank, weighing a proper amount of drying agent according to the weight of the raw materials, and pouring the drying agent into the mixing and stirring tank.
5. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: and step four, controlling the mixing and stirring tank to operate, so that the stirring rod in the mixing and stirring tank mixes the raw materials and the drying agent.
6. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: and fifthly, adding the drying agent for the second time, stirring and mixing the drying agent and the raw materials, fully contacting the drying agent with the raw materials, and drying the raw materials.
7. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: and step seven, pouring the mixed raw materials of the compound fertilizer into a granulator for granulation treatment, so that the production of the compound fertilizer is finished.
8. The drying-free granulation method for coating organic-inorganic compound fertilizer according to claim 1, characterized in that: after the equipment is used, the equipment needs to be cleaned and dried in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525881.4A CN111646858A (en) | 2020-06-10 | 2020-06-10 | Drying-free granulation method for wrapping organic-inorganic compound fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525881.4A CN111646858A (en) | 2020-06-10 | 2020-06-10 | Drying-free granulation method for wrapping organic-inorganic compound fertilizer |
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| CN111646858A true CN111646858A (en) | 2020-09-11 |
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| CN202010525881.4A Pending CN111646858A (en) | 2020-06-10 | 2020-06-10 | Drying-free granulation method for wrapping organic-inorganic compound fertilizer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559995A (en) * | 2004-03-12 | 2005-01-05 | 张树森 | Process for producing composite manure by non drying physics method |
| CN101429080A (en) * | 2008-12-02 | 2009-05-13 | 黑龙江省沃必达农业科技开发有限公司 | Oven dry-free method for granulation of fertilizer |
| CN106699486A (en) * | 2017-01-16 | 2017-05-24 | 贵州远盛钾业科技有限公司 | Drying-free organic-inorganic compound fertilizer and preparation method thereof |
| CN106866275A (en) * | 2017-03-29 | 2017-06-20 | 河南省化工研究所有限责任公司 | A kind of granular compound fertilizer for exempting to dry and cool down and preparation method thereof |
| CN107500854A (en) * | 2017-08-10 | 2017-12-22 | 内蒙古汇祥生物科技有限公司 | A kind of composite fertilizer and its exempt from dry production method |
-
2020
- 2020-06-10 CN CN202010525881.4A patent/CN111646858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559995A (en) * | 2004-03-12 | 2005-01-05 | 张树森 | Process for producing composite manure by non drying physics method |
| CN101429080A (en) * | 2008-12-02 | 2009-05-13 | 黑龙江省沃必达农业科技开发有限公司 | Oven dry-free method for granulation of fertilizer |
| CN106699486A (en) * | 2017-01-16 | 2017-05-24 | 贵州远盛钾业科技有限公司 | Drying-free organic-inorganic compound fertilizer and preparation method thereof |
| CN106866275A (en) * | 2017-03-29 | 2017-06-20 | 河南省化工研究所有限责任公司 | A kind of granular compound fertilizer for exempting to dry and cool down and preparation method thereof |
| CN107500854A (en) * | 2017-08-10 | 2017-12-22 | 内蒙古汇祥生物科技有限公司 | A kind of composite fertilizer and its exempt from dry production method |
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Application publication date: 20200911 |