Preparation process of composite fertilizer

A preparation process and compound fertilizer technology, which is applied in the direction of urea compound fertilizer, nitrogen fertilizer, potash fertilizer, etc., can solve the problem of single function of compound fertilizer, and achieve the effect of broad market prospect, improved resistance to pressure, and expanded use function

Inactive Publication Date: 2017-01-04
曹正祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, compound fertilizers have the problem of single function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation process of compound fertilizer includes the following steps:

[0028] (1) Ammonification

[0029] First weigh 4.5kg of superphosphate and 0.5kg of ammonium bicarbonate, then mix the superphosphate and ammonium bicarbonate, put it into a plastic bag and seal for 5 days;

[0030] (2) Dry

[0031] Then put the ammoniated product into an oven to dry for 5 hours to control its moisture content at 6%, and the temperature of the oven is 80°C;

[0032] (3) Crush

[0033] The dried product, urea, potassium chloride and herbicide are put into a pulverizer for pulverization, and then the pulverized material is sieved through an 8-mesh sieve. The herbicide is composed of 40% butachlor. The ratio of the product, urea, potassium chloride and butachlor is 30-90:10;

[0034] (4) Mixed

[0035] The pulverized materials are respectively put into a mixer for stirring and mixing, and the order of the mixing is to first blend potassium chloride with the product, and then add urea to mix a...

Embodiment 2

[0043] A preparation process of compound fertilizer includes the following steps:

[0044] (1) Ammonification

[0045] First weigh 5.0kg of superphosphate and 1.0kg of ammonium bicarbonate, then mix the superphosphate and ammonium bicarbonate, put it into a plastic bag, seal and ammoniated for 6 days;

[0046] (2) Dry

[0047] Then put the ammoniated product into an oven to dry for 6 hours to control its water content at 7%, and the temperature of the oven is 90°C;

[0048] (3) Crush

[0049] The dried product, urea, potassium chloride and herbicide are put into a pulverizer for pulverization, and then the pulverized material is sieved through a 10-mesh sieve. The herbicide is composed of 50% butachlor. The ratio of the product, urea, potassium chloride and butachlor is 35-100:15;

[0050] (4) Mixed

[0051] The pulverized materials are respectively put into a mixer for stirring and mixing, and the order of the mixing is to first blend potassium chloride with the product, and then add ure...

Embodiment 3

[0059] A preparation process of compound fertilizer includes the following steps:

[0060] (1) Ammonification

[0061] First weigh 5.5kg of superphosphate and 1.5kg of ammonium bicarbonate, then mix the superphosphate and ammonium bicarbonate, put it into a plastic bag, seal and ammoniated for 7 days;

[0062] (2) Dry

[0063] Then put the ammoniated product into an oven to dry for 7 hours to control the moisture content at 6-8%, and the temperature of the oven is 100°C;

[0064] (3) Crush

[0065] The dried product, urea, potassium chloride and herbicide are put into a pulverizer for pulverization, and then the pulverized material is sieved through a 12-mesh sieve. The herbicide composition is 60% butachlor. The ratio of the product, urea, potassium chloride and butachlor is 40:105:20;

[0066] (4) Mixed

[0067] The pulverized materials are respectively put into a mixer for stirring and mixing, and the order of the mixing is to first blend potassium chloride with the product, and then a...

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PUM

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Abstract

The invention discloses a preparation process of a composite fertilizer. Crushed materials also comprise herbicides; by selecting ingredients of the herbicides, the composite fertilizer has the weeding function while providing the fertility; the use function of the composite fertilizer is expanded; the fertility of the composite fertilizer can be enhanced through the reasonable mixture ratio of products, urea, potassium chloride and butachlor; butachlor oil and attapulgite are added during granulation; the butachlor enables the herbicides and the fertilizers to be uniformly mixed during the granulation; the pressure resistance capability of the composite fertilizers can be improved through the attapulgite; by controlling the pH of the butachlor oil, the problem of fast degradation of pesticide active ingredients under acid conditions can be solved. The composite fertilizer prepared by the preparation process has the advantages of multifunction and good pressure resistant capability; the market prospects are wide.

Description

Technical field [0001] The invention belongs to the field of agricultural production technology. More specifically, the invention relates to a preparation technology of compound fertilizer. Background technique [0002] Compound fertilizer refers to a chemical fertilizer containing two or more nutrient elements. Compound fertilizer has the advantages of high nutrient content, few auxiliary components and good physical properties. It is very important for balanced fertilization, improving fertilizer utilization, and promoting high and stable crop yields. The role of. But it also has some shortcomings. For example, its nutrient ratio is always fixed, while the types, quantities and ratios of nutrient elements required by different soils and different crops are diverse. Therefore, it is best to test the soil before use to understand the texture and nutritional status of the field soil, and also pay attention to the application of the unit fertilizer in order to get better results. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G5/00
CPCC05B1/02C05G3/00C05G5/12C05C3/00C05C9/00C05D1/02C05D9/00
Inventor 曹正祥
Owner 曹正祥
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