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A kind of production method of multi-component humic acid compound fertilizer

A production method, humic acid technology, applied in fertilization equipment, fertilizer mixture, application, etc., can solve the problems of no humic acid supply system, increase production cost, affect product stability, etc., improve crop yield and quality, and accelerate development , Increase the effect of agricultural economy

Active Publication Date: 2018-01-16
HENAN JUNHUA DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, domestic production enterprises still rely on purchased humic acid to maintain production. There is no independent humic acid supply system, which not only increases production costs, but also affects product stability.

Method used

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  • A kind of production method of multi-component humic acid compound fertilizer
  • A kind of production method of multi-component humic acid compound fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Pulverize lignite and sieve to obtain a powder with a particle size of less than 60 meshes, then measure and transport it to an activation tank, spray water to soak it, and then spray a sodium hydroxide solution with a concentration of 3% by weight, stack and activate it for 2 days, and then dry it , be pulverized to 30 orders, send to mixer, carry out mechanical mixing with magnesium chloride, zinc sulfate, borax, compound sodium nitrophenolate, zeolite powder in the ratio of 60:5:5:10:1:35 by weight, then by 3.5: The weight ratio of 100 is sent to the molten slurry consisting of 35 parts of urea, 30 parts of calcium magnesium phosphate fertilizer and 35 parts of potassium chloride. After being fully mixed, it is sent to the top of the prilling tower by a pressurized pump for granulation, cooling, Sieve to obtain the finished compound fertilizer with a particle size of 2-4mm.

Embodiment 2

[0020] The weathered coal is pulverized and sieved to obtain a powder with a particle size of less than 60 mesh, which is then metered and transported to the activation tank, sprayed with water to soak it, and then sprayed with a sodium hydroxide solution with a concentration of 6% by weight. After 3 days of natural stacking and activation, Dried and crushed to 40 mesh, sent to a mixer, and mechanically mixed with magnesium nitrate, zinc sulfate, sodium octaborate tetrahydrate, sodium naphthalene acetate, and calcium-based bentonite in a weight ratio of 70:8:8:6:1:25. Mix and then send it to the molten slurry consisting of 50 parts of ammonium sulfate, 30 parts of superphosphate and 30 parts of potassium chloride according to the weight ratio of 2.5:100. After fully mixing, it is sent to the top of the prilling tower by a pressurized pump , carry out granulation, cooling, and screening to obtain a finished compound fertilizer with a particle size of 1-3mm.

Embodiment 3

[0022] The weathered coal is pulverized and sieved to obtain a powder with a particle size of less than 60 mesh, which is then metered and transported to the activation tank, sprayed with water to soak it, and then sprayed with a concentration of 10% by weight of potassium hydroxide solution. After 5 days of natural stacking and activation, Dried and crushed to 30 mesh, sent to the mixer, mechanically mixed with magnesium nitrate, zinc oxide, boric acid, sodium naphthalene acetate, calcium-based bentonite in a weight ratio of 80:10:10:5:3:15, and then press The weight ratio of 5:100 is sent to the molten slurry composed of 45 parts of urea, 20 parts of superphosphate and 20 parts of potassium sulfate. After being fully mixed, it is sent to the top of the prilling tower by a pressurized pump for granulation and cooling , and sieve to obtain the finished compound fertilizer with a particle size of 1-3mm.

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Abstract

The present invention relates to a kind of production method of multivariate high-efficiency humic acid compound fertilizer, which mainly includes the following parts: 1) crushing and screening of coal; 2) spraying lye to activate humic acid in coal; After a certain period of time, it is dried and pulverized to obtain humic acid finished products; 4) Magnesium-containing substances, zinc-containing substances, boron-containing substances, growth regulators, fillers and optional dispersants are pre-mixed in a pre-mixing tank, and then sent to a mixer and Humic acid is mechanically mixed; 5) Add the mixed material in 4) to the mixed slurry made by mixing and melting two or three kinds of nitrogen, phosphorus, and potassium fertilizers, and pass through a high tower, drum or extruded The granulation process carries out granulation, screening and surface treatment to obtain the finished granular compound fertilizer. The compound fertilizer of the invention has the characteristics of comprehensive nutrition, high efficiency and good solubility, and has good application prospects.

Description

technical field [0001] The invention relates to the technical field of compound fertilizer production, in particular to a production method of multi-component humic acid compound fertilizer. Background technique [0002] Although my country is the largest fertilizer consumer in the world, due to the short fertilizer efficiency, low utilization rate, and a large proportion of losses through volatilization, leaching, nitrification, etc., the environmental problems caused by this have gradually become prominent, and the perennial fertilization caused Soil compaction is also a growing problem. [0003] Humic acid is a kind of amorphous reticular polymeric organic matter, compounded with nitrogen, phosphorus and potassium to make compound fertilizer, which can increase the growth rate of soil microorganisms, reduce the volatilization and loss of nitrogen, and at the same time increase the content of available nitrogen in the soil. has seen an increase. Humic acid can also increa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 刘灏位南南郑强李新丽
Owner HENAN JUNHUA DEV