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A kind of soil conditioner produced by utilizing magnesium ore and shell and its production method

A technology of soil conditioner and magnesium ore, which is applied in application, fertilizer mixture, fertilization device, etc., can solve the problems of hidden dangers in food safety, decline in the quality of agricultural products, and restrictions on the development of animal husbandry, so as to achieve abundant raw materials, increase utilization rate, improve The effect of crop quality

Active Publication Date: 2016-01-13
众德肥料(烟台)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

3) Due to base exchange, the K on the acidic soil colloid + , Ca 2+ , Mg 2+ By H + Substitute, enter the soil solution and lose, resulting in the lack of potassium, calcium and magnesium nutrients
4) At the same time, soil acidification activates heavy metal elements, such as cadmium, mercury, lead, chromium, aluminum, etc., resulting in a decline in the quality of agricultural products and causing food safety hazards
Insufficient magnesium in cattle and sheep blood occurs in some pastures due to insufficient magnesium in pastures, resulting in convulsions and convulsions, which seriously restricts the development of animal husbandry

Method used

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  • A kind of soil conditioner produced by utilizing magnesium ore and shell and its production method
  • A kind of soil conditioner produced by utilizing magnesium ore and shell and its production method

Examples

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Effect test

Embodiment 1

[0036] A kind of soil conditioner that utilizes magnesium ore and shell to produce and production method thereof, the technological process of present embodiment is as follows figure 1 shown. Mix magnesium ore, gypsum, and magnesium sulfate crushed to a size of about 25kg at a mass ratio of 10:1:1, and crush the mixture to a size of 50-100mm by jaw crusher or other means. Add a certain amount of coal or other fuels to the crushed mixture for roasting in a rotary kiln. The roasting temperature is controlled at 1200°C for 2 hours. After the calcination, the ingredients are cooled to about 100°C, and then ground into 0.15-0.6mm powder.

[0037]Mix marine shells such as oyster shells, gypsum, and magnesium sulfate in a mass ratio of 10:1:3, and put them into a rotary kiln for roasting. The temperature is controlled at 1100°C, and roasted for 2 hours. After the roasting, the ingredients are cooled to about 100 ℃, and then pulverized into 0.15 ~ 0.6mm powder.

[0038] The oyster ...

Embodiment 2

[0043] A kind of soil conditioner that utilizes magnesium ore and shell to produce and production method thereof, the technological process of present embodiment is as follows figure 1 shown. Mix magnesium ore, gypsum, magnesium sulfate, and sodium sulfate crushed to a size of about 25kg in parts by mass of 10:1:1:1, and crush the mixture to 50-100mm by jaw crusher or other means. Add a certain amount of coal or other fuels to the crushed mixture in the rotary kiln for roasting, the roasting temperature is controlled at 1300°C, and roasted for 1 hour. After the calcination, the ingredients are cooled to about 100°C, and then ground into 0.15-0.6mm powder.

[0044] Mix marine shells such as oyster shells, gypsum, magnesium sulfate, and sodium sulfate in a mass ratio of 10:2:3:1, and put them into a rotary kiln for roasting. The temperature is controlled at 1200°C for 1 hour. After the roasting, the ingredients Cool to about 100°C, and then grind into 0.15-0.6mm powder.

[00...

Embodiment 3

[0050] A kind of soil conditioner that utilizes magnesium ore and shell to produce and production method thereof, the technological process of present embodiment is as follows figure 1 shown. Mix magnesium ore and gypsum that have been crushed to a size of about 25kg at a mass ratio of 10:1, and crush the mixture to 50-100mm by jaw crusher or other methods. Add a certain amount of coal or other fuels to the crushed mixture in the rotary kiln for roasting, the roasting temperature is controlled at 1300°C, and roasted for 1 hour. After the calcination, the ingredients are cooled to about 100°C, and then ground into 0.15-0.6mm powder.

[0051] Mix marine shells such as oyster shells, gypsum, magnesium sulfate, and sodium sulfate in a mass ratio of 10:1:1:1, and put them into a rotary kiln for roasting. The temperature is controlled at 1200°C for 1.5 hours. After the roasting, the ingredients Cool to about 100°C, and then grind into 0.15-0.6mm powder.

[0052] The oyster shells...

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Abstract

The invention discloses a soil conditioner produced from magnesium ore and shell and a production method thereof. According to the method, magnesium ore and oyster shell are subjected to high temperature roasting in a rotary kiln, the ingredients after roasting are cooled and ground into a powder, and the powder is supplemented with humic acid salt and a plant nutrition conditioning agent and uniformly mixed by stirring or mixed and extruded. The soil conditioner produced by the invention is prepared by using a roasting process to activate the available nutrients in the magnesium ore and oyster shell to the maximum and at the same time improve pH value; and the soil conditioner product mainly comprises mineral elements of calcium and magnesium, and contains trace elements of iron, manganese, zinc, boron and molybdenum, and active organic matters of polyglutamic acid and humic acid, and can effectively improve acidic soil, supplement a variety of nutrients, and provide nutrients needed by crops in crop growth period, so as to increase crop yield and improve crop quality. The product can be applied directly, also can be used together with chemical fertilizer (in-situ preparation for usage).

Description

technical field [0001] The invention relates to a method for producing a soil conditioner, in particular to a method for producing a soil conditioner by using magnesium ore and shells. Background technique [0002] Fertilizers are the grain of crops (grain). my country consumes 32% of the world's total output of chemical fertilizers, and the amount of fertilizer per unit area is more than three times the world's average level. Excessive fertilization and irrational use of fertilizers are followed by low fertilizer utilization rates, reduced soil fertility, and soil acidification. , leading to the deterioration of soil structure, the imbalance of medium and trace elements in the soil, serious environmental pollution and other consequences, which will eventually cause great harm to crops, resulting in a decrease in the yield of crop products and a decrease in the quality of agricultural products. [0003] Many negative effects brought about by soil acidification: 1) The decomp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 孙玲丽王其选王晓虹侯广楠刘仙亭
Owner 众德肥料(烟台)有限公司
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