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Coal gangue compound fertilizer and preparation method thereof

A coal gangue and compound fertilizer technology, applied in urea compound fertilizers, nitrogen fertilizers, organic fertilizers, etc., can solve problems such as cracked lips of potatoes and sweet potatoes, unrecyclable coal gangue, and poor surface quality, so as to improve economic benefits and ecology Benefits, high starch, low production cost

Inactive Publication Date: 2018-05-08
贵州黔西南州兴龙渝生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Coal gangue is a product of large coal production in karst areas. The existing coal gangue cannot be recycled and will cause a lot of pollution to the environment. The growth of existing plants, especially the high-yield plants of potatoes and sweet potatoes, usually requires the application of nitrogen fertilizers , phosphate fertilizer, calcium fertilizer, etc., the cost is high, and the surface of potatoes and sweet potatoes will have cracks, and the surface quality is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: a kind of coal gangue compound fertilizer, its component weight ratio is: 70 jin of coal gangue, 10 jin of 45% nitrogen-containing urea, 3 jin of hydrochloric acid, 10 jin of pine needles, 24 jin of weeds, 4 jin of oil cake, Its preparation method comprises the following steps:

[0019] (1) Flour making: Make 60-80 mesh powders from the proportioned coal gangue, 45% nitrogen-containing urea, hydrochloric acid, pine needles, weeds, and oil cake;

[0020] (2) Mixing: mix the powders of each ingredient ratio in step (1) evenly;

[0021] (3) Fermentation: The compound raw material in step (2) is sealed and fermented at 20-30°C for 5-7 days;

[0022] (4) Test the pH after fermentation in step (3), pH5-7, if it is less than, use alkali to adjust.

Embodiment 2

[0023] Embodiment 2: a kind of coal gangue compound fertilizer, its component weight ratio is: 68 jin of coal gangue, 9 jin of 45% nitrogen-containing urea, 2.8 jin of hydrochloric acid, 9 jin of pine needles, 22 jin of weeds, 3 jin of oil cake, Its preparation method comprises the following steps:

[0024] (1) Flour making: Make 60-80 mesh powders from the proportioned coal gangue, 45% nitrogen-containing urea, hydrochloric acid, pine needles, weeds, and oil cake;

[0025] (2) Mixing: mix the powders of each ingredient ratio in step (1) evenly;

[0026] (3) Fermentation: The compound raw material in step (2) is sealed and fermented at 20-30°C for 5-7 days;

[0027] (4) Test the pH after fermentation in step (3), pH5-7, if it is less than, use alkali to adjust.

Embodiment 3

[0028] Embodiment 3: a kind of gangue compound fertilizer, its component weight ratio is: 72 jin of coal gangue, 11 jin of 45% nitrogen-containing urea, 3.2 jin of hydrochloric acid, 11 jin of pine needles, 26 jin of weeds, 5 jin of oil cake, Its preparation method comprises the following steps:

[0029] (1) Flour making: Make 60-80 mesh powders from the proportioned coal gangue, 45% nitrogen-containing urea, hydrochloric acid, pine needles, weeds, and oil cake;

[0030] (2) Mixing: mix the powders of each ingredient ratio in step (1) evenly;

[0031] (3) Fermentation: The compound raw material in step (2) is sealed and fermented at 20-30°C for 5-7 days;

[0032] (4) Test the pH after fermentation in step (3), pH5-7, if it is less than, use alkali to adjust.

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PUM

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Abstract

The invention discloses coal gangue compound fertilizer and a preparation method thereof. The coal gangue compound fertilizer is prepared from 68-72 parts by weight of coal gangue, 9-11 parts by weight of nitrogen-containing urea with content of 45%, 2.8-3.2 parts by weight of hydrochloric acid, 9-11 parts by weight of pine needles, 22-26 parts by weight of weeds and 3-5 parts by weight of oil dreg. The preparation method mainly utilizes coal gangue as a main raw material. In the karst region, coal ores are more and are easy to acquire. The compound fertilizer contains a large amount of phosphorus, iron, calcium, magnesium and potassium which are conducive to growth, and can greatly promote the plant growth. The coal gangue can be recovered and recycled so that the coal gangue economic andecological benefits are greatly improved. The coal gangue compound fertilizer realizes a low preparation cost and has effects the same to those of calcium superphosphate, nitrogen fertilizer and phosphorus fertilizer. The coal gangue compound fertilizer improves a yield, greatly improves the starch content and prevents surface cracks of sweet potatoes and potatoes.

Description

technical field [0001] The invention relates to a compound fertilizer and a preparation method thereof, in particular to a coal gangue compound fertilizer and a preparation method thereof. Background technique [0002] Coal gangue is a product of large coal production in karst areas. The existing coal gangue cannot be recycled and will cause a lot of pollution to the environment. The growth of existing plants, especially the high-yield plants of potatoes and sweet potatoes, usually requires the application of nitrogen fertilizers , phosphate fertilizer, calcium fertilizer, etc., the cost is high, and the surface of potatoes and sweet potatoes will produce lip cracks, and the surface quality is not good. Contents of the invention [0003] The technical problem to be solved by the present invention is: to provide a coal gangue compound fertilizer and its preparation method, which can recycle coal gangue, improve economic benefits and ecological benefits, and have convenient ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05C9/00C05D9/00C05F11/00C05F11/02
Inventor 王永石
Owner 贵州黔西南州兴龙渝生物科技有限公司
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