Preparation method of chlorine-based compound fertilizer

Abstract

The invention relates to the technical field of chlorine-based compound fertilizers, and discloses a chlorine-based compound fertilizer preparation method, which is prepared from the following components by weight: 30-35 parts of an anti-caking agent, 10-15 parts of a fluxing agent, 40-50 parts of potassium chloride, 30-40 parts of monoammonium phosphate, 20-30 parts of ammonium oxide, 8-12 parts of ammonium sulfate, 2-4 parts of zinc stearate, 10-15 parts of zeolite powder, and 4-6 parts of calcium carbonate powder. Wherein the anti-caking agent is prepared from the following components in parts by weight: 15-25 parts of vegetable oil, 3-5 parts of cyclohexanone leftovers, 2-4 parts of polyacrylamide, 1-3 parts of vinyl acetate, 1-3 parts of stearic acid, 1-3 parts of natural ore powder and 1-3 parts of a modifier. The chlorine-based compound fertilizer preparation method provided by the invention has the following beneficial effects that by adding a proper amount of the anti-caking agent, the water absorption of the fertilizer can be reduced, so that the caking phenomenon is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of chlorine-based compound fertilizers, and in particular to a method for preparing a chlorine-based compound fertilizer. Background Art

[0002] As an important agricultural fertilizer, chlorine-based compound fertilizer plays a key role in agricultural production. With the higher degree of automation such as machine sowing, the requirements for compound fertilizer agglomeration are higher. In practical applications, the agglomeration problem of chlorine-based compound fertilizer has always been a difficult problem that has troubled manufacturers and users. Agglomeration not only affects the appearance quality of the fertilizer, but may also lead to uneven distribution of fertilizer components and reduce the fertilization effect. Therefore, conducting research on the anti-caking process of chlorine-based compound fertilizer is of great significance to improving fertilizer quality and promoting agricultural production;

[0003] The main reasons for the caking of chlorine-based compound fertilizers include physical and chemical factors. The physical reasons are mainly friction between particles, pressure, humidity, etc.; the chemical reasons are related to salt, water and microbial activity in the fertilizer. Summary of the invention

[0004] The main purpose of the present invention is to provide a method for preparing a chlorine-based compound fertilizer, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A method for preparing a chlorine-based compound fertilizer is prepared from the following components in parts by weight: 30-35 parts of an anti-caking agent, 10-15 parts of a flux, 40-50 parts of potassium chloride, 30-40 parts of monoammonium phosphate, 20-30 parts of ammonium chloride, 8-12 parts of ammonium sulfate, 2-4 parts of zinc stearate, 10-15 parts of zeolite powder, and 4-6 parts of calcium carbonate powder.

[0007] Preferably, the anti-caking agent is made of the following components in parts by weight: 15-25 parts of vegetable oil, 3-5 parts of cyclohexanone waste, 2-4 parts of polyacrylamide, 1-3 parts of vinyl acetate, 1-3 parts of stearic acid, 1-3 parts of natural ore powder and 1-3 parts of modifier.

[0008] Preferably, the vegetable oil is any one of rapeseed oil, peanut oil and tea oil.

[0009] Preferably, the flux is one or both of ammonium nitrate phosphate and ammonium nitrate.

[0010] The preparation steps are:

[0011] ①, first add the vegetable oil into a vacuum drying pot according to the above proportion, heat and vacuum dry it to make its water content 0.2-0.3%, then add it into a blending tank after drying, stir it, add cyclohexanone scraps, polyacrylamide, vinyl acetate and stearic acid during stirring, and stir for 20-30 minutes to obtain a primary mixture;

[0012] ② Grind the natural ore to 300-400 mesh, mix the natural ore powder with the modifier, perform modification treatment, control the temperature to 80-100° C., add the obtained powder to the primary mixture and mix and stir for 2-3 hours to obtain the anti-caking agent;

[0013] ③. Add flux to the anti-caking agent and stir at the same time to obtain a secondary mixture;

[0014] ④. Add potassium chloride, monoammonium phosphate, ammonium sulfate, zinc stearate, zeolite powder and calcium carbonate powder to the secondary mixture and mix and stir at a stirring rate of 30 to 50 r / min to obtain a mixed molten slurry with a temperature of 80 to 100°C;

[0015] ⑤. Pour the mixed molten slurry into a granulator for granulation spraying to obtain chlorine-based compound fertilizer particles;

[0016] ⑥. Cooling, bagging and packaging.

[0017] Compared with the prior art, the present invention provides a method for preparing a chlorine-based compound fertilizer, which has the following beneficial effects: by adding a proper amount of anti-caking agent, the absorption of water by the fertilizer can be reduced, thereby reducing the caking phenomenon. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] Example 1

[0020] Select 30 parts of anti-caking agent, 10 parts of flux, 45 parts of potassium chloride, 30 parts of monoammonium phosphate, 20 parts of ammonium fluoride, 8 parts of ammonium sulfate, 2 parts of zinc stearate, 10 parts of zeolite powder, and 4 parts of calcium carbonate powder;

[0021] The anti-caking agent is made of the following components in parts by weight: 20 parts of vegetable oil, 3 parts of cyclohexanone waste, 2 parts of polyacrylamide, 1 part of vinyl acetate, 1 part of stearic acid, 1 part of natural ore powder and 2 parts of modifier.

[0022] Furthermore, the flux is ammonium nitrate phosphate and the vegetable oil is rapeseed oil;

[0023] The specific method is:

[0024] ①, add the vegetable oil to a vacuum drying pot, heat it and vacuum dry it to make its water content 0.2%, add it to a blending tank after drying, stir it, add cyclohexanone scraps, polyacrylamide, vinyl acetate and stearic acid during the stirring process, stir for 20 minutes to obtain a primary mixture;

[0025] ② Grind the natural ore to 300 mesh, mix the natural ore powder with the modifier, perform modification treatment, control the temperature to 85°C, add the obtained powder to the primary mixture, mix and stir for 2 hours to obtain the anti-caking agent;

[0026] ③. Add flux to the anti-caking agent and stir at the same time to obtain a secondary mixture;

[0027] ④. Add potassium chloride, monoammonium phosphate, ammonium sulfate, zinc stearate, zeolite powder and calcium carbonate powder to the secondary mixture and mix and stir at a stirring rate of 35 r / min to obtain a mixed molten slurry at a temperature of 80°C;

[0028] ⑤. Pour the mixed molten slurry into a granulator for granulation spraying to obtain chlorine-based compound fertilizer particles;

[0029] ⑥. Cooling, bagging and packaging.

[0030] Example 2

[0031] Select 33 parts of anti-caking agent, 12 parts of flux, 40 parts of potassium chloride, 35 parts of monoammonium phosphate, 22 parts of ammonium fluoride, 10 parts of ammonium sulfate, 3 parts of zinc stearate, 12 parts of zeolite powder, and 5 parts of calcium carbonate powder;

[0032] The anti-caking agent is made of the following components in parts by weight: 18 parts of vegetable oil, 4 parts of cyclohexanone waste, 3 parts of polyacrylamide, 2 parts of vinyl acetate, 2 parts of stearic acid, 2 parts of natural ore powder and 2 parts of modifier.

[0033] Furthermore, ammonium nitrate is used as flux and rapeseed oil is used as vegetable oil;

[0034] The specific method is:

[0035] ①, add the vegetable oil to a vacuum drying pot, heat it and vacuum dry it to make its water content 0.3%, add it to a blending tank after drying, stir it, add cyclohexanone scraps, polyacrylamide, vinyl acetate and stearic acid during the stirring process, stir for 22 minutes to obtain a primary mixture;

[0036] ② Grind the natural ore to 350 mesh, mix the natural ore powder with the modifier, perform modification treatment, control the temperature to 80°C, add the obtained powder to the primary mixture, mix and stir for 2 hours to obtain the anti-caking agent;

[0037] ③. Add flux to the anti-caking agent and stir at the same time to obtain a secondary mixture;

[0038] ④. Add potassium chloride, monoammonium phosphate, ammonium sulfate, zinc stearate, zeolite powder and calcium carbonate powder to the secondary mixture and mix and stir at a stirring rate of 50 r / min to obtain a mixed molten slurry at a temperature of 80°C;

[0039] ⑤. Pour the mixed molten slurry into a granulator for granulation spraying to obtain chlorine-based compound fertilizer particles;

[0040] ⑥. Cooling, bagging and packaging.

[0041] Example 3

[0042] Select 35 parts of anti-caking agent, 12 parts of flux, 40 parts of potassium chloride, 30 parts of monoammonium phosphate, 20 parts of ammonium sulfate, 8 parts of ammonium sulfate, 3 parts of zinc stearate, 10 parts of zeolite powder, and 4 parts of calcium carbonate powder;

[0043] The anti-caking agent is made of the following components in parts by weight: 15 parts of vegetable oil, 5 parts of cyclohexanone waste, 4 parts of polyacrylamide, 3 parts of vinyl acetate, 3 parts of stearic acid, 3 parts of natural ore powder and 2 parts of modifier.

[0044] Furthermore, the flux is ammonium nitrate phosphate and the vegetable oil is peanut oil;

[0045] The specific method is:

[0046] ①, add the vegetable oil to a vacuum drying pot, heat it and vacuum dry it to make its water content 0.2%, add it to a blending tank after drying, stir it, add cyclohexanone scraps, polyacrylamide, vinyl acetate and stearic acid during the stirring process, stir for 23 minutes to obtain a primary mixture;

[0047] ② Grind the natural ore to 400 mesh, mix the natural ore powder with the modifier, perform modification treatment, control the temperature to 90°C, add the obtained powder to the primary mixture, mix and stir for 2 hours to obtain the anti-caking agent;

[0048] ③. Add flux to the anti-caking agent and stir at the same time to obtain a secondary mixture;

[0049] ④. Add potassium chloride, monoammonium phosphate, ammonium sulfate, zinc stearate, zeolite powder and calcium carbonate powder to the secondary mixture and mix and stir at a stirring rate of 40 r / min to obtain a mixed molten slurry at a temperature of 90°C;

[0050] ⑤. Pour the mixed molten slurry into a granulator for granulation spraying to obtain chlorine-based compound fertilizer particles;

[0051] ⑥. Cooling, bagging and packaging.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A method for preparing a chlorine-based compound fertilizer, characterized in that: The invention is prepared from the following components in parts by weight: 30-35 parts of anti-caking agent, 10-15 parts of flux, 40-50 parts of potassium chloride, 30-40 parts of monoammonium phosphate, 20-30 parts of ammonium chloride, 8-12 parts of ammonium sulfate, 2-4 parts of zinc stearate, 10-15 parts of zeolite powder and 4-6 parts of calcium carbonate powder.

2. The method for preparing a chlorine-based compound fertilizer according to claim 1, characterized in that: The anti-caking agent is prepared from the following components in parts by weight: 15-25 parts of vegetable oil, 3-5 parts of cyclohexanone waste, 2-4 parts of polyacrylamide, 1-3 parts of vinyl acetate, 1-3 parts of stearic acid, 1-3 parts of natural ore powder and 1-3 parts of modifier.

3. The method for preparing a chlorine-based compound fertilizer according to claim 2, characterized in that: The vegetable oil is any one of rapeseed oil, peanut oil and tea oil.

4. The method for preparing a chlorine-based compound fertilizer according to claim 1, characterized in that: The flux is one or both of ammonium nitrate phosphate and ammonium nitrate.

5. A method for preparing a chlorine-based compound fertilizer according to any one of claims 1 to 4, characterized in that: The following steps are involved: ①, first add the vegetable oil into a vacuum drying pot according to the above proportion, heat and vacuum dry it to make its water content 0.2-0.3%, then add it into a blending tank after drying, stir it, add cyclohexanone scraps, polyacrylamide, vinyl acetate and stearic acid during stirring, and stir for 20-30 minutes to obtain a primary mixture; ② Grind the natural ore to 300-400 mesh, mix the natural ore powder with the modifier, perform modification treatment, control the temperature to 80-100° C., add the obtained powder to the primary mixture and mix and stir for 2-3 hours to obtain the anti-caking agent; ③. Add flux to the anti-caking agent and stir at the same time to obtain a secondary mixture; ④. Add potassium chloride, monoammonium phosphate, ammonium sulfate, zinc stearate, zeolite powder and calcium carbonate powder to the secondary mixture and mix and stir at a stirring rate of 30 to 50 r / min to obtain a mixed molten slurry with a temperature of 80 to 100°C; ⑤. Pour the mixed molten slurry into a granulator for granulation spraying to obtain chlorine-based compound fertilizer particles; ⑥. Cooling, bagging and packaging.