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Production method of humic acid without heat granulation

A humic acid and heating-free technology, which is applied in application, nitrogen fertilizer, agriculture, etc., can solve the problems of high energy consumption for granulation and insufficient strength of humic acid granules, and achieve the goals of reducing equipment investment, alleviating wear and tear of transportation machinery, and improving granule hardness Effect

Active Publication Date: 2021-01-01
古浪根力多生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of insufficient strength of humic acid particles and high energy consumption of granulation in the existing granulation technology, the present invention provides a heat-free granulation production method of humic acid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The phytic acid-free heating granulation production method comprises the following steps,

[0019] (1) Humic acid powder, ammonium sulfate powder and urea powder are mixed in a ratio of 92.5:5.5:1, stirred evenly in a mixer and then added to a granulator;

[0020] (2) Atomize water and spray it on the surface of the material. The amount of water added ensures that the total water content of the material accounts for 31% of the total weight of the material. The granulator mixes and granulates at a speed of 39r / min to obtain humic acid granules;

[0021] (3) Humic acid particles stay in the normal temperature conveying system for 20 minutes, and then pass through a multi-stage screening device to screen out humic acid particles with a particle size of 2~4mm to obtain finished particles.

Embodiment 2

[0023] The phytic acid-free heating granulation production method comprises the following steps,

[0024] (1) Humic acid powder, ammonium sulfate powder and urea powder are mixed in a ratio of 93:6:1, stirred evenly in a mixer, and then added to a granulator;

[0025] (2) Atomize water and spray it on the surface of the material. The amount of water added ensures that the total water content of the material accounts for 32% of the total weight of the material. The granulator mixes and granulates at a speed of 43r / min to obtain humic acid granules;

[0026] (3) Humic acid particles stay in the normal temperature conveying system for 30 minutes, and then pass through a multi-stage screening device to screen out humic acid particles with a particle size of 2~4mm to obtain finished particles.

Embodiment 3

[0028] The phytic acid-free heating granulation production method comprises the following steps,

[0029] (1) Humic acid powder, ammonium sulfate powder and urea powder are mixed in a ratio of 93.5:6.5:1, stirred evenly in a mixer, and then added to a granulator;

[0030] (2) Atomize water and spray it on the surface of the material. The amount of water added ensures that the total water content of the material accounts for 29% of the total weight of the material. The granulator mixes and granulates at a speed of 27r / min to obtain humic acid granules;

[0031] (3) Humic acid granules stay in the normal temperature conveying system for about 40 minutes, and then pass through a multi-stage screening device to screen out humic acid granules with a particle size of 2-4 mm to obtain finished granules.

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Abstract

The invention particularly provides a heating-free granulation production method of humic acid, aiming at solving the problems of an existing granulation technology that the strength of humic acid particles is not enough, and the energy consumption of granulation is high. The heating-free granulation production method of the humic acid comprises the following steps: after uniformly mixing and stirring humic acid powder, ammonium sulfate powder and urea powder according to the ratio of (92.5 to 94) to (5 to 6.5) to 1, adding the mixture into a granulation machine; atomizing water which accountsfor 29 percent to 32 percent of the total weight of the materials, and spraying the water on the surfaces of the materials; mixing and granulating at a rotary speed of 27r / min to 43r / min to obtain the humic acid particles; after staying in a room-temperature conveying system for 20min to 50min, sieving finished-product humic acid particles with the grain diameter of 2mm to 4mm through a multi-grade sieving device. According to the heating-free granulation production method of the humic acid, an additive is cheap and easy to obtain, the production cost is low, and technological conditions aresimple; the problem that the strength of humic acid particles is not enough is effectively improved; when the humic acid is applied to soil, a soil granular structure can be improved; the humic acid can be widely popularized and applied to the technical field of agriculture.

Description

technical field [0001] The invention belongs to the technical field of agricultural chemical fertilizers, in particular to a heat-free granulation production method of humic acid. Background technique [0002] Chemical fertilizers have played a positive role in increasing production in my country's agricultural production process, but with the increase in the amount of chemical fertilizers used each year, the soil quality is degraded year by year, and the soil ecological balance is destroyed, which directly affects the utilization rate of chemical fertilizers, causing a large amount of nutrients to be lost. Waste of resources and pollute the environment. Humic acid is an important component of soil, not only the supplier of soil nutrients, but also the storage agent of soil nutrients. It can form soil aggregate structure through colloidal action, reduce soil bulk density, increase soil porosity, adjust soil water and heat conditions, increase soil aeration, and effectively i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/80C05G5/12
CPCC05C3/00C05G3/80C05C9/00C05F11/02
Inventor 刘二保张瑞英薛冰纯王沛瑞
Owner 古浪根力多生物科技有限公司
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