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Nitro-compound fertilizer and preparation method thereof

A technology of nitro compound fertilizer and potassium fertilizer, which is applied in the direction of phosphate fertilizer, fertilization device, fertilizer mixture, etc., can solve the problems of fertilization and storage difficulties, product nutrient loss, fertilizer agglomeration, etc., and achieve smooth particle shape, particle balance, and particle breaking little effect

Inactive Publication Date: 2020-04-10
SICHUAN GOLDEN ELEPHANT SINCERITY CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the problem of nitro compound fertilizer is that it is easy to form unstable phenomena such as fertilizer agglomeration and pulverization during storage, which will not only cause serious loss of product nutrients, but also bring great difficulties to agricultural fertilization and storage.

Method used

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  • Nitro-compound fertilizer and preparation method thereof
  • Nitro-compound fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The embodiment of the present invention provides a kind of nitro compound fertilizer, and its raw material comprises the following components in parts by weight:

[0057] 30 parts of molten ammonium nitrate, 30 parts of monoammonium phosphate (phosphate fertilizer), 28 parts of potassium sulfate (potash fertilizer), 1 part of ammonium chloride (fertilizer stabilizer) and 1 part of magnesium oxide (fertilizer stabilizer).

[0058] The nitro compound fertilizer is prepared by using the above-mentioned raw materials, and the specific steps of the preparation method are as follows.

[0059] Add 30 parts of molten ammonium nitrate at 170°C from the ammonium nitrate system into continuous reactor A, keep the temperature at 160°C, and stir for 5 minutes;

[0060] Add 28 parts of potassium sulfate into continuous reactor A, keep the temperature at 160°C, and stir for 5 minutes;

[0061] overflowing the mixture in continuous reactor A to continuous reactor B;

[0062] Add 30 par...

Embodiment 2

[0065] The embodiment of the present invention provides a kind of nitro compound fertilizer, and its raw material comprises the following components in parts by weight: 41.5 parts of molten ammonium nitrate, 8 parts of monoammonium phosphate (phosphate fertilizer), 48 parts of potassium sulfate (potassium fertilizer), 1.5 parts of ammonium chloride (fertilizer stabilizer) and 1 part magnesium oxide (fertilizer stabilizer).

[0066] The nitro compound fertilizer is prepared by using the above-mentioned raw materials, and the specific steps of the preparation method are as follows.

[0067] Add 41.5 parts of molten ammonium nitrate at 175°C from the ammonium nitrate system into continuous reactor A, keep the temperature at 165°C, and stir for 5 minutes; add 24 parts of potassium sulfate into continuous reactor A, keep the temperature at 165°C, and stir for 10 minutes;

[0068] Then, overflow the mixture in the continuous reactor A into the continuous reactor B, and add 8 parts o...

Embodiment 3

[0071] The embodiment of the present invention provides a kind of nitro compound fertilizer, and its raw material comprises the following components in parts by weight: 62 parts of molten ammonium nitrate, 19 parts of monoammonium phosphate (phosphate fertilizer), 0.5 part of ammonium sulfate (solid nitrogen fertilizer), 15.5 parts 1 part potassium sulfate (potash fertilizer), 1.5 parts ammonium chloride (fertilizer stabilizer) and 1.5 parts magnesium oxide (fertilizer stabilizer).

[0072] The nitro compound fertilizer is prepared by using the above-mentioned raw materials, and the specific steps of the preparation method are as follows.

[0073] Add 62 parts of molten ammonium nitrate at 165°C from the ammonium nitrate system into continuous reactor A, keep the temperature at 160°C, and stir for 10 minutes; add 0.5 parts of ammonium sulfate and 10 parts of potassium sulfate into continuous reactor A, and keep the temperature at 160°C °C, stir for 10 minutes;

[0074] Then, ...

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Abstract

The intention discloses a nitro-compound fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers, the raw material of the nitro-compound fertilizercomprises 35-65 parts of molten ammonium nitrate, 10-35 parts of a phosphate fertilizer, 10-50 parts of a potash fertilizer and 1-10 parts of a fertilizer stabilizer. The raw materials of the compoundfertilizer are simple and easy to obtain, the nutrient content is high, the stability and uniformity are high, and after granulation, the compound fertilizer has the advantages of being smooth in particle shape, few in broken particles and / or balanced in particles.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a nitro compound fertilizer and a preparation method thereof. Background technique [0002] Nitro compound fertilizer is a new type of fertilizer with high efficiency and environmental protection. With the modification of ammonium nitrate for agricultural use, the research and development of nitro compound fertilizer production technology has been continuously developed. [0003] Nitro compound fertilizer is safe and reliable, easy to use, good environmental performance, high nutrient content, contains nitrogen, phosphorus, potassium and other nutrients needed for crop growth, balanced nutrients, high content of active ingredients, easily soluble in water. [0004] At present, the problem of nitro compound fertilizers is that it is easy to form unstable phenomena such as fertilizer agglomeration and pulverization during storage, which will not only cause serious...

Claims

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Application Information

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IPC IPC(8): C05G1/00C05G5/12C05G3/20C05G3/30
CPCC05B7/00
Inventor 陈刚袁凯王云波雷珂冯安华
Owner SICHUAN GOLDEN ELEPHANT SINCERITY CHEM CO LTD
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