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Soil conditioner and method for its preparation and use

A soil conditioner and conditioner technology, which is applied in the field of soil remediation, can solve the problems of high quality and precision requirements, cumbersome and complicated calculations, etc. The effect of reducing the concentration

Active Publication Date: 2021-05-07
SHENZHEN MPD HITECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned soil conditioner must first know the exact content of acidic and alkaline oxides contained in various raw materials, as well as the accurate calorific value and empirical value of anthracite before calculation, and accurate calculation is required, which is cumbersome, complicated, and harmful to production. The quality and accuracy of the mixing equipment and metering equipment are high, and there are high requirements on the technical and management level of personnel.

Method used

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  • Soil conditioner and method for its preparation and use
  • Soil conditioner and method for its preparation and use
  • Soil conditioner and method for its preparation and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Soil conditioner, this conditioner comprises the following components by weight percentage:

[0071] Copper tailings 60%

[0072] Fluorite tailings 30%

[0073] Talc 6%

[0074] Carboxymethyl Cellulose 4%

[0075] Among them, the particle size of each component in the modifier is less than 0.5mm, accounting for more than 90%;

[0076] The preparation method of soil conditioner comprises the following steps:

[0077] Step 1. Weigh each component and mix well;

[0078] Step 2, the mixture obtained in step 1 is made into 5-10mm pellets;

[0079] Step 3, calcining the pellets at a temperature of 1300° C. for 2.5 hours;

[0080] Step 4, cooling and activating the pellets, and ball milling to 100 mesh to obtain a soil conditioner.

[0081] Wherein, when the particle size of more than 10% of the added tailings is larger than 0.5 mm, ball milling can be carried out in step 1 first, and ball milling is performed until more than 90% of the particle size of each component i...

Embodiment 2

[0083] Soil conditioner, this conditioner comprises the following components by weight percentage:

[0084] Copper tailings 50%

[0085] Fluorite tailings 27%

[0086] Talc 20%

[0087] Carboxymethyl Cellulose 3%

[0088] Among them, the particle size of each component in the modifier is less than 0.5mm, accounting for more than 90%;

[0089] Soil conditioner preparation methods such as figure 1 shown, including the following steps:

[0090] Step 1. Weigh each component and mix well;

[0091] Step 2, the mixture obtained in step 1 is made into 50-100mm pellets;

[0092] Step 3, calcining the pellets at a temperature of 1150° C. for 2.0 hours;

[0093] Step 4, cooling and activating the pellets, and ball milling to 50 mesh to obtain a soil conditioner.

[0094] Wherein, when the particle size of more than 10% of the added tailings is larger than 0.5 mm, ball milling can be carried out in step 1 first, and ball milling is performed until more than 90% of the particle siz...

Embodiment 3

[0096] Soil conditioner, this conditioner comprises the following components by weight percentage:

[0097] Copper tailings 40%

[0098] Fluorite tailings 40%

[0099] Talc 15%

[0100] Carboxymethyl Cellulose 5%

[0101] Among them, the particle size of each component in the modifier is less than 0.5mm, accounting for more than 90%;

[0102] The preparation method of soil conditioner comprises the following steps:

[0103] Step 1. Weigh each component and mix well;

[0104] Step 2, the mixture obtained in step 1 is made into 5-10mm pellets;

[0105] Step 3, calcining the pellets at a temperature of 1000° C. for 1.5 hours;

[0106] Step 4, cooling and activating the pellets, and ball milling to 60 mesh to obtain a soil conditioner.

[0107] Wherein, when the particle size of more than 10% of the added tailings is larger than 0.5 mm, ball milling can be carried out in step 1 first, and ball milling is performed until more than 90% of the particle size of each component i...

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Abstract

The invention relates to the technical field of soil restoration, in particular to a soil conditioner and its preparation method and application method. Soil conditioner contains the following components by weight percentage: copper tailings 40‑60%, fluorite tailings or limestone 20‑40%, talc or serpentine or dolomite 6‑20%, pellet curing agent 2 ‑5%, the sum of which is 100% by weight; the copper tailings contain quartz, alunite and dickite. The preparation method comprises the following steps: step 1, weighing and mixing each component; step 2, making the mixture obtained in step 1 into pellets; step 3, calcining the pellets at a temperature above 1000°C for 1.5 more than one hour; step 4, cooling and activating the pellets, and ball milling to obtain a soil conditioner. Contains non-ferrous metal minerals and non-metallic minerals, various large, medium and trace elements necessary for the growth of crops, fruit trees and seedlings, basically there is no need to add other large, medium and trace elements.

Description

technical field [0001] The invention relates to the technical field of soil restoration, in particular to a soil conditioner and its preparation method and application method. Background technique [0002] Soil and its basic functions: ① Nutrient function: soil provides basic mineral element nutrients and organic nutrients to plant growth - the natural fertility of the soil. ②Structure and function: The loose and porous soil and the special aggregate structure ensure the growth of plant roots, water and fertilizer retention, and ventilation. ③Environmental function: Soil provides the ecosystem and environmental conditions necessary for plant growth (including pH value, cation exchange capacity, biological activity, microbial community, etc.), which is also necessary for human survival, the goal of the "Ten Articles of Soil". [0003] my country's soil has been severely degraded due to overuse: acidification, compaction, salinization, fertility loss, nutrient element imbalan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K17/08C05G3/80C09K109/00C09K101/00
CPCC09K17/40C09K17/08C05D5/00C05D1/04C05D3/02C09K2101/00C05G3/80
Inventor 邵宗强黄燕生
Owner SHENZHEN MPD HITECH CO LTD
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