Production system and production method of carbon-based organic-inorganic compound fertilizer

A production system and technology of compound fertilizer, applied in the field of agricultural resource utilization, can solve the problems of low utilization rate of fertilizer, insignificant effect of increasing production, and large amount of application, and achieve the effect of improving utilization efficiency

Pending Publication Date: 2019-05-07
北京源农炭肥技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the traditional chemical fertilizers on the market contain less nutrients, which cannot fully meet the needs of crop growth, and the price is high, and the effect of increasing production is not obvious. In addition, there are problems such as low fertilizer utilization rate and excessive application amount.

Method used

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  • Production system and production method of carbon-based organic-inorganic compound fertilizer
  • Production system and production method of carbon-based organic-inorganic compound fertilizer
  • Production system and production method of carbon-based organic-inorganic compound fertilizer

Examples

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Embodiment 1

[0063] Example 1: The agricultural and forestry biomass raw material in this example is corn stalks. The present invention proposes a method for producing carbon-based organic-inorganic compound fertilizer using the aforementioned production system, which specifically includes the following steps.

[0064] (1) Pretreatment: Send the corn stalks to the pretreatment device for crushing to a size between 10-20cm.

[0065] (2) Carbonization: Send the crushed corn stalks in step (1) into the carbonization furnace for carbonization, wherein the carbonization temperature is 500°C, and the carbonization time is 45 minutes to obtain biochar and high-temperature oil and gas, and the biochar is discharged through a spiral The machine is transported to the fermentation system, and the high-temperature oil and gas are transported to the oil-gas separation system through the pipeline.

[0066] (3) Oil and gas separation: send the high-temperature oil and gas obtained in step (2) to the oil ...

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Abstract

The invention belongs to the technical field of agricultural resource, and particularly relates to a production system and a production method of a carbon-based organic-inorganic compound fertilizer,wherein the production system comprises a pretreatment device, a carbonization furnace, an oil-gas separation system, an oil-water separation system, a fermentation system, a drying and crushing system, a mixing granulation system and a steam boiler system. According to the present invention, the oil-gas resources generated in the carbonization process are recovered and utilized, and the biochar produced by pyrolysis and the chemical fertilizer are combined to produce the carbon-based organic-inorganic compound fertilizer, such that the returning of the agriculture and forestry biomass straw to the soil is achieved, the organic matter of the soil is increased, the adsorption performance of biochar is utilized, and the slow release of chemical fertilizer nutrients is achieved so as to improve the utilization efficiency of chemical fertilizers.

Description

technical field [0001] The invention belongs to the technical field of agricultural resource utilization, and in particular relates to a production system and method of carbon-based organic-inorganic compound fertilizer. Background technique [0002] At present, the fertilizers used in agriculture are mainly divided into chemical fertilizers and organic fertilizers, but with the improvement of living standards, the cultivation of crops is becoming more and more simple and mechanized. Fertilizers containing one or several nutrient elements needed for the growth of crops, long-term use will easily lead to the destruction of soil structure, reduced production potential, increased metals and toxic elements, reduced microbial activity, difficult conversion and degradation of substances, and nutrient imbalance , Accumulation of nitrate, intensified acidification, too much pH change and other problems. Among the organic fertilizers, most of them are farmyard manures. Although they...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/02C05G3/00C10B53/02C10G1/00C05G3/60
Inventor 吴道洪王惠惠巴玉鑫肖磊牛明杰卢爽
Owner 北京源农炭肥技术有限公司
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