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Industrial production method of granular composite carbon fertilizer

A production method and technology of composite carbon, applied in agriculture, fertilization equipment, fertilizer mixture, etc., to achieve the effect of high consistency of single particle volume, elimination of process accidents and waste

Active Publication Date: 2013-03-27
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high-tower melt granulation process itself also has its fatal shortcomings. Among them, the dust emission of the 100-meter-high tower is particularly prominent. With the country's strict supervision of PM2. The country has no choice but to withdraw from the stage of history
[0005] Due to the adsorption characteristics of the loose porous skeleton structure of biochar, it is difficult to granulate the formula with a carbon powder content exceeding 20% ​​of the total amount by using the existing melt method and agglomerate granulation technology

Method used

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  • Industrial production method of granular composite carbon fertilizer
  • Industrial production method of granular composite carbon fertilizer

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Experimental program
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Effect test

Embodiment 1

[0059] Taking the nitrogen, phosphorus and potassium compound carbon fertilizer with a particle diameter of 4 mm and a total nutrient ratio of 39% of nitrogen, phosphorus and potassium as an example, each effective nutrient is marked as N13-P13-K13. The specific ratio is: according to the mass percentage, it is marked as N46-0 -0 urea 22.6%, monoammonium phosphate 26% labeled N10-P50-0, potassium chloride 21.6% labeled 0-0-K60, charcoal 29.8%, all crushed to 60-80 mesh in Mix evenly in water state. The end face of orifice plate 7 has the through hole of some diameter 4 millimeters. Then produce granular compound carbon fertilizer according to the above-mentioned steps 2-4.

Embodiment 2

[0061] Taking the nitrogen, phosphorus and potassium compound carbon fertilizer with a particle diameter of 4 mm and a ratio of total nitrogen, phosphorus and potassium nutrients of 40% as an example, each effective nutrient is marked as N14-P12-K14. The specific ratio is: according to the mass percentage, it is marked as N46-0 -0 urea 25.2%, monoammonium phosphate 24% labeled N10-P50-0, potassium chloride 23.3% labeled 0-0-K60, charcoal 27.5%, all crushed to 60-80 mesh Mix evenly in water state. The end face of orifice plate 7 has the through hole of some diameter 4 millimeters. Then produce granular compound carbon fertilizer according to the above-mentioned steps 2-4.

Embodiment 3

[0063] Take the nitrogen, phosphorus and potassium compound carbon fertilizer with a particle diameter of 4 mm and a total nutrient ratio of 35% of nitrogen, phosphorus and potassium as an example. The effective nutrients are marked as N12-P10-K13. -0 urea 21.7%, monoammonium phosphate labeled N10-P50-0 20%, potassium chloride labeled 0-0-K60 21.7%, charcoal 36.6%, all crushed to 60-80 mesh Mix evenly in water state. The end face of orifice plate 7 has the through hole of some diameter 4 millimeters. Then produce granular compound carbon fertilizer according to the above-mentioned steps 2-4.

[0064] The ratio of the compound fertilizer is different according to the demand of the crops, that is, determined by the market, which is included but not limited to in this embodiment.

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Abstract

The invention discloses an industrial production method of granular composite carbon fertilizer. Raw materials of the fertilizer are mixed, a screw-type extruder is used for heating, extruding and extruding out raw materials, raw materials are rolled and cooled in a horizontal type cooling roller and the fertilizer is obtained. The melting temperature can be reached and the phase change conducts under the action that the heat generation of urea friction and external electrical heating dual temperature increment during operation, other material in power materials cannot be suffered phase change at the temperature, and materials and the fusible urea can form a compact and plastic compound. The urea melting body serves as a medium which is used for bonding outer powder materials such as P, K and C. The nitrogen phosphorus and potassium carbon composite fertilizer of carbon content of more than 20% and balanced fertilizer, low nitrogen high potash fertilizer and low nitrogen humic acid fertilizer in other low nitrogen high / middle concentration ratio can be produced, and the method is simple in process, low in production cost and suitable to industrial production.

Description

technical field [0001] The invention belongs to the technical field of chemical fertilizers and relates to an industrial production method of granular composite carbon fertilizers. Background technique [0002] Biochar is a carbonized by-product left after plant tissue is separated from combustible gas under anaerobic state and oxygen-deficient high-temperature pyrolysis. It is an active substance with a loose porous framework structure. [0003] This is the most serious period of the climate crisis, and human activities have caused the carbon dioxide content in the atmosphere to gradually increase. Controlling carbon dioxide has become the common responsibility and obligation of all human beings. There are many ways to control carbon dioxide. Adding charcoal to the soil is one of the most effective methods. Charcoal can stably lock the carbon element for hundreds of years. In addition to being good for the atmosphere and human survival, charcoal has obvious benefits for pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 孔亦周
Owner SHENZHEN BATIAN ECOTYPIC ENG