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Water-soluble granular fertilizer and preparation method thereof

A water-soluble granule and solubility technology, applied in the direction of alkaline orthophosphate fertilizers, nitrogen fertilizers, phosphate fertilizers, etc., can solve the problems that water-soluble fertilizers are prone to dust, difficult to achieve mechanical spreading, and short disintegration time, etc., and achieve low cost , short disintegration time and good stability

Inactive Publication Date: 2016-08-31
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is to overcome the defects and deficiencies of the above-mentioned prior art, and provide a water-soluble granular fertilizer that can be used as a fertilizer for economic crops such as vegetables, flowers, fruit trees and field crops, which is easy to use, fast in crop absorption, High utilization rate of nutrients, low price, short disintegration time and good stability; it overcomes the defects that water-soluble fertilizers are easy to dust, easy to agglomerate during long-term storage, difficult to achieve mechanical spreading, difficult to transport, and high in price

Method used

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  • Water-soluble granular fertilizer and preparation method thereof
  • Water-soluble granular fertilizer and preparation method thereof
  • Water-soluble granular fertilizer and preparation method thereof

Examples

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Embodiment 1

[0030] Embodiment 1 Preparation of water-soluble granular fertilizer

[0031] 1. A water-soluble granular fertilizer, comprising the following components in mass percentage: 50% ammonium chloride, 4% potassium dihydrogen phosphate, 34% sodium sulfate, 2% sodium humate, and 10% dextrin.

[0032] 2, the preparation method of described water-soluble granular fertilizer comprises the steps:

[0033] S1. Put the dextrin in boiling purified water, stir and dissolve it with a glass rod to make a slurry with a solubility c=0.35g / mL, and obtain a dextrin slurry;

[0034] S2. Granulation: Accurately weigh ammonium chloride, sodium dihydrogen phosphate, and sodium sulfate, mix them in a mortar and grind them, and pass through a 100-mesh sieve;

[0035] S3. Put the mixture obtained in step S2 into a beaker, add sodium humate to reconcile the mixture, add the prepared dextrin slurry in step S1 to make a soft material;

[0036] S4. Pass through a 14-mesh sieve, dry at 58°C for 2 hours, an...

Embodiment 2

[0038] Example 2 Preparation of water-soluble granular fertilizer

[0039] 1. A water-soluble granular fertilizer comprising the following components in mass percentage: 40% ammonium chloride, 5% potassium dihydrogen phosphate, 40% sodium sulfate, 3% sodium humate, and 12% dextrin.

[0040] 2. The preparation method of the water-soluble granular fertilizer is the same as in Example 1.

Embodiment 3

[0041] Example 3 Preparation of water-soluble granular fertilizer

[0042] 1. A water-soluble granular fertilizer comprising the following components in mass percentage: 60% ammonium chloride, 3% potassium dihydrogen phosphate, 30% sodium sulfate, 1% sodium humate, and 6% dextrin.

[0043] 2. The preparation method of the water-soluble granular fertilizer is the same as in Example 1.

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Abstract

The invention discloses a water-soluble granular fertilizer and a preparation method thereof. The water-soluble granular fertilizer is prepared from ammonium chloride, monopotassium phosphate, sodium sulfate, sodium humate and dextrin and is prepared through stirring, drying, smashing and pelletizing. The water-soluble granular fertilizer is convenient to use, fast in crop absorption, high in nutritional ingredient utilization rate, low in price, short in disintegration time and good in stability, and the defects that water-soluble fertilizer is prone to generate dust, prone to be caked after being stored for a long time, hard to mechanically spread, hard to transport and high in price are overcome. The preparation method is easy to operate, the production period is short, energy consumption is low, cost is low, environment-friendly production requirements are met, and the pertinency, fast-acting property and applicability of the obtained water-soluble granular fertilizer can be remarkably improved. The water-soluble granular fertilizer has good application prospects for most agricultural industrial zones focusing on planting and breeding in China.

Description

technical field [0001] The invention belongs to the technical field of economic crop fertilizers. More specifically, it relates to a water-soluble granular fertilizer and a preparation method thereof. Background technique [0002] In recent years, my country's water resources are in serious shortage, and water-saving agriculture has been clearly written into the central government's proposals on the 12th Five-Year Plan for National Economic and Social Development, which greatly promotes the development of water-fertilizer integration technology and drives the high-speed demand for water-soluble fertilizers increase. [0003] Water-soluble fertilizers have the characteristics of strong pertinence, high quick-acting effect, good applicability, and conform to the theme of contemporary green agriculture. They have been widely used in high economic value crops such as vegetables, flowers, fruit trees and field crops abroad. In China, water-soluble fertilizer is a rising new ener...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05G3/00C05B7/00C05C3/00C05D9/00C05F11/02
Inventor 邓春梅康信煌何兰珍吴湛霞刘毅钟杰平
Owner GUANGDONG OCEAN UNIVERSITY
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