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Mineral fertilizer as well as preparation and application thereof

A technology of minerals and fertilizers, applied in the direction of calcium fertilizers, applications, inorganic fertilizers, etc., can solve the problems of easy pollution of the environment, expensive organic iron fertilizers, etc.

Inactive Publication Date: 2019-07-12
浙江科罗尼生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the technical problem that inorganic iron fertilizers are easily oxidized to form ferric iron that cannot be absorbed by plants, and organic iron fertilizers are not only expensive but also easy to pollute the environment in the prior art, and the purpose is to provide a new mineral fertilizer

Method used

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  • Mineral fertilizer as well as preparation and application thereof
  • Mineral fertilizer as well as preparation and application thereof
  • Mineral fertilizer as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The preparation of embodiment 1 mineral fertilizer

[0021] 100mol of FeO with a purity of 84-95%, and SiO with a purity of ≥90% 2 67mol, 95mol of CaO with a purity of ≥90%, 35mol of MnO with a purity of ≥65%, 25mol of MgO with a purity of ≥85%, and CaSO with a purity of ≥95% 4 Add 15mol water and stir to mix, FeO, SiO 2 , CaO, MnO, MgO, CaSO 4 The mass ratio of the total weight of the water to the added water is 100:45, that is, the mud with a water content of 31% is made. The slurry was thoroughly mixed and stirred for 1 hour at room temperature. Then use a granulator to make granules with a particle size of 0.5-5 mm. Furthermore, it was dried for 1 hour under the temperature condition of 400 degreeC with the dryer.

[0022] After drying by the dryer, the particles with a particle size of 0.5-5mm are sent to a continuous vacuum heat treatment furnace to evacuate to 7.5kpa, and after the temperature is raised to 850°C, keep heating at 850°C for 3 hours. After h...

Embodiment 2

[0023] The preparation of embodiment 2 mineral fertilizers

[0024] 100mol of FeO with a purity of 84-95%, and SiO with a purity of ≥90% 2 80mol, 112mol of CaO with a purity of ≥90%, 45mol of MnO with a purity of ≥65%, 36mol of MgO with a purity of ≥85%, and CaSO with a purity of ≥95% 4 25mol add water and stir to mix, FeO, SiO 2 , CaO, MnO, MgO, CaSO 4 The mass ratio of the total weight of the water to the added water is 100:45, that is, the mud with a water content of 31% is made. The slurry was thoroughly mixed and stirred for 1 hour at room temperature. Then use a granulator to make granules with a particle size of 0.5-5 mm. Furthermore, it was dried for 1 hour under the temperature condition of 400 degreeC with the dryer.

[0025] The particles with a particle size of 0.5-5mm after drying in the dryer are sent to a continuous vacuum heat treatment furnace to evacuate to 5kpa, and heat at a high temperature of 850°C for 2.5 hours. After heating, the temperature was...

Embodiment 3

[0026] The preparation of embodiment 3 mineral fertilizers

[0027] 100mol of FeO with a purity of 84-95%, and SiO with a purity of ≥90% 2 67mol, 95mol of CaO with a purity of ≥90%, 35mol of MnO with a purity of ≥65%, 25mol of MgO with a purity of ≥85%, and CaSO with a purity of ≥95% 4 Add 15mol water and stir to mix, FeO, SiO 2 , CaO, MnO, MgO, CaSO 4The mass ratio of the total weight of the water to the added water is 100:45, that is, the mud with a water content of 31% is made. The slurry was thoroughly mixed and stirred for 1 hour at room temperature. Then use a granulator to make granules with a particle size of 0.5-5 mm. Furthermore, it was dried for 1 hour under the temperature condition of 400 degreeC with the dryer.

[0028] The particles with a particle size of 0.5-5 mm after drying in a dryer are sent to a continuous vacuum heat treatment furnace to evacuate to a temperature of 5 kPa and heat at a high temperature of 900 ° C for 2 hours. After heating, the t...

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Abstract

The invention discloses a mineral fertilizer which comprises the following main components: FeO: CaO: MgO: SiO2: MnO: CaSO4 in a ratio of 1:(0.95-1.12):(0.25-0.36):(0.67-0.80):(0.35-0.45):(0.15-0.25).The mineral fertilizer disclosed by the invention comprises ferrous and multiple trace elements, is capable of promoting plant growth, and can be very slowly reacted with water in soil to release elements such as iron, calcium and magnesium which are essential for plants and can be absorbed by the plants, then mineral deficiency of soil can be balanced and improved, and a function of promoting plant growth can be indirectly achieved.

Description

technical field [0001] The invention belongs to the technical field of soil improvement, and in particular relates to a mineral fertilizer containing divalent iron and various trace elements, a preparation method thereof and an application in promoting plant growth. Background technique [0002] Trace elements include boron, zinc, molybdenum, iron, manganese, copper and other nutrients. Although plants require very little trace elements, they are equally important to the growth and development of plants as macronutrients. When a certain trace element is deficient, the growth and development of crops will be significantly affected, and the yield and quality will be reduced. At the beginning of the last century, farmers discovered that the use of chemical fertilizers such as nitrogen, potash, and phosphorus could dramatically increase the yields of crops. However, with the passage of time, the large-scale application of chemical fertilizers and pesticides has destroyed the ec...

Claims

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Application Information

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IPC IPC(8): C05D11/00
CPCC05D3/00C05D3/02C05D5/00C05D9/00C05D9/02
Inventor 李湧李振豪
Owner 浙江科罗尼生物科技有限公司
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