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Natural mineral fertilizer containing nano silicon and preparation method thereof

A nano-silicon and mineral technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve problems such as lack of natural mineral fertilizers, and achieve the effects of improving soil physical and chemical properties, increasing stress resistance, and improving effective utilization.

Inactive Publication Date: 2014-10-22
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is a lack of a natural mineral fertilizer and its preparation method, which can effectively use my country's phosphate rock raw materials, make full use of the silicon contained therein, reduce costs, not only protect the environment and safety, but also effectively solve the severe problems of soil acidification and heavy metal absorption by crops. question

Method used

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  • Natural mineral fertilizer containing nano silicon and preparation method thereof
  • Natural mineral fertilizer containing nano silicon and preparation method thereof

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Experimental program
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Effect test

specific Embodiment 1

[0021] The raw materials in the embodiment of the present invention come from Jingzhou, Hubei.

[0022] 45 parts of phosphate rock powder, 45 parts of dolomite, 5 parts of serpentine, and 5 parts of silica. The hot air from the hot blast stove is sprayed into the blast furnace through the air nozzle, so that the temperature in the high temperature zone reaches about 1000 ° C. After the material is fully calcined and melted in the furnace, it is calcined for 5 hours, and the molten body is discharged from the discharge port, and the gauge pressure is 0.2MPa. The water is sprayed to make it extremely cold and solidified and broken into fine particles to flow into the water quenching tank. The semi-finished product after drying is sent to the ball mill for grinding, and the fineness requires more than 80% to pass through the 80-mesh sieve. Product nutrient content, after determination, phosphorus pentoxide (P 2 o 5 ) content of 12%, effective calcium (CaO) content of 30%, effec...

specific Embodiment 2

[0023] The raw materials in the embodiment of the present invention come from Jingzhou, Hubei.

[0024] 90 parts of phosphate rock powder, 5 parts of dolomite, and 5 parts of magnesite, after being crushed, are loaded into the feeding truck and put into the high-temperature melting furnace with a hoist. The hot air from the hot blast stove is sprayed into the blast furnace through the air nozzle, so that the temperature in the high temperature zone reaches about 1300°C. After the material is fully calcined and melted in the furnace, it is calcined for 1 hour, and the molten body is released from the discharge port and sprayed with 0.1MPa water. Make it extremely cold and solidify and break into fine particles and flow into the water quenching tank. The semi-finished product after drying is sent to a ball mill for grinding, and the fineness requires more than 50% to pass through a 100-mesh sieve. Product nutrient content, phosphorus pentoxide (P 2 o 5 ) content of 10%, effect...

specific Embodiment 3

[0025] The raw materials in the embodiment of the present invention come from Jingzhou, Hubei.

[0026] 49 parts of phosphate rock powder, 50 parts of dolomite, and 1 part of olivine, after being crushed, are loaded into the feeding truck and put into the high-temperature melting furnace with a hoist. The hot air from the hot blast stove is sprayed into the blast furnace through the air nozzle, so that the temperature in the high temperature zone reaches about 3000 ° C. After the material is fully calcined and melted in the furnace, it is calcined for 3 hours, and the melt is released from the discharge port and sprayed with 0.5 MPa water. Make it extremely cold and solidify and break into fine particles and flow into the water quenching tank. The semi-finished product after drying is sent to a ball mill for grinding, and the fineness requires more than 75% to pass through a 160-mesh sieve. Product nutrient content, phosphorus pentoxide (P 2 o 5 ) content of 20%, effective c...

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Abstract

The invention discloses a natural mineral fertilizer containing nano silicon and a manufacturing method thereof. The method comprises the following steps: mixing the following raw materials in parts by weight: 45-90 parts of ground phosphorite, 5-50 parts of dolomite and 1-10 parts of assistant, totaling 100 parts; and grinding, stirring, carrying out high-temperature calcination to activate the mixture, quenching with water for shock cooling, and pulverizing the product to obtain the fertilizer. The fertilizer comprises the following effective components: 10-20% of phosphorus pentoxide, 5-30% of effective calcium, 10-28% of effective silicon and 5-15% of effective magnesium; and the nano silicon accounts for 30-80% of the effective silicon. The natural mineral fertilizer containing nano silicon fully and effectively utilizes the low-grade phosphate ores in China, provides secondary and minor elements for crops, regulates and improves the crop growth mechanism, regulates the pH value of the soil, improves the soil structure, improves the physicochemical properties and biochemical properties of the soil, enhances the availability of the fertilizer, reduces the fertilizer consumption, and prevents the crops from absorbing heavy metals.

Description

technical field [0001] The invention relates to the technical field of mineral fertilizer production, in particular to a natural mineral fertilizer containing nano-silicon and a preparation method thereof. Background technique [0002] my country has a large population but little arable land. China uses 7% of the world's arable land to feed 22% of the population, but uses 35% of the world's chemical fertilizers. Continuous planting and continuous cropping and excessive application of chemical fertilizers have become a predatory resource development, resulting in a huge waste of resources. Not only is it difficult to increase food production, but it also destroys the internal structure of the soil, causing soil compaction, soil quality deterioration, and soil fertility. The environmental pollution caused by over-industrialization has caused a serious situation of heavy metal soil pollution; the quality of crops has declined, and the safety of agricultural products has serious...

Claims

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Application Information

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IPC IPC(8): C05G1/00
Inventor 韩冬芳王宗抗安国栋
Owner SHENZHEN BATIAN ECOTYPIC ENG
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