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Efficient repairing agent for acid soil and preparation method of efficient repairing agent

A technology of acidic soil and repairing agent, applied in the direction of granulating raw materials, soil conditioning materials, chemical instruments and methods, etc., can solve the difficulty of ensuring consistency of particle shape and size, affect the uniform spreading of repairing agent, and reduce the quality of granulation To achieve the effect of increasing the kneading and shaping effect, ensuring the uniformity of granulation, and improving the quality of granulation

Active Publication Date: 2021-10-01
黑龙江沃坤农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to make up for the deficiencies of the existing technology, it is necessary to mix and granulate the restoration agent in the prior art for storage and transportation. After the restoration agent is granulated through the extrusion unit, the soft particles fall onto the shaking wave plate for sprinkling Powder and particles are easy to accumulate, and the shape and size of the particles are not easy to ensure consistency, resulting in a decrease in granulation quality and affecting the uniform spreading of the repair agent. A high-efficiency repair agent for acidic soil and its preparation proposed by the present invention method

Method used

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  • Efficient repairing agent for acid soil and preparation method of efficient repairing agent
  • Efficient repairing agent for acid soil and preparation method of efficient repairing agent
  • Efficient repairing agent for acid soil and preparation method of efficient repairing agent

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preparation example Construction

[0043] A preparation method for a high-efficiency repairing agent for acidic soil, the preparation method is suitable for preparing the above-mentioned high-efficiency repairing agent for acidic soil; comprising the following steps:

[0044] S1, crushing and grinding the calcium polysulfide, then screening the calcium polysulfide powder with a particle diameter below 0.1 mm, and sealing the powder for use;

[0045] S2. Put the bentonite into the mixing equipment, then add 20-30 parts of distilled water, after fully stirring, add the corresponding components of sodium alkylbenzene sulfonate, acid polymer and potassium hydroxide in turn, and then stir for 20-30 minutes to form mixture A;

[0046] S3. Add the distilled water of the remaining components to the mixture A prepared in S2, then add the plant ash of the corresponding components, and let it stand for 20 minutes. After the plant ash completely absorbs the distilled water, stir it evenly with a stirring device to prepare ...

Embodiment approach

[0048] As an embodiment of the present invention, a group of hemispherical bumps 33 are evenly distributed on the circumference of the grinding disc 14 adjacent to the turntable 17, and the bumps 33 are staggered and fixed on the turntable 17 and the grinding disc 14 near the outer edge; The bottom of the turntable 17 and the corresponding position of the rotating shaft 16 are provided with a spline hole 34, and the rotating shaft 16 is inserted into the spline hole 34 and connected with the spline hole 34 by a spline; The collision and sliding make the turntable 17 slide up and down intermittently, thereby increasing the discharge speed of the spiral groove 19 and reducing the blockage of the spiral groove 19. At the same time, the spline hole 34 cooperates with the rotating shaft 16 to continuously drive the turntable 17, driving the turntable 17 to vibrate continuously. And then accelerate the velocity of movement of the particles in the feeding hole 18 to reduce the adhesio...

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Abstract

The invention belongs to the technical field of agricultural cultivated land improvement and protection application products, and particularly relates to an efficient repairing agent for acid soil and a preparation method of the efficient repairing agent. The efficient repairing agent comprises the following components in parts by weight: 110-150 parts of calcium polysulfide; 80-120 parts of bentonite; 15-20 parts of sodium alkyl benzene sulfonate; 5-15 parts of an acidic polymer; 0.5-3 parts of trisodium phosphate; 25-50 parts of plant ash; 8-10 parts of potassium hydroxide; and 60-80 parts of distilled water. A granulator used in repair agent forming comprises a body, an extrusion unit is fixedly connected to the top of the body through a support, and a millstone is fixedly connected to the position, corresponding to the bottom of the extrusion unit, in the body through a support; a rotating disc is arranged at the top of the millstone; a group of material dropping holes are uniformly distributed in the circumference, corresponding to the discharge hole of the extrusion unit, of the rotating disc; and a group of spiral grooves are circumferentially and uniformly distributed at the top, corresponding to the material dropping holes, of the millstone. According to the device, the rotating disc is matched with the spiral groove to continuously rotate and rub the particles, so that the granulation uniformity of the particles is ensured, the shape and size consistency of the particles is improved, and the granulation quality of the soil remediation agent particles is further improved.

Description

technical field [0001] The invention belongs to the technical field of application products for improving and protecting agricultural cultivated land, and specifically relates to a high-efficiency restoration agent for acidic soil and a preparation method thereof. Background technique [0002] Acidic soil is the general term for soil with a pH value less than 7. Including brick red soil, red soil, red soil, yellow soil and dry red soil and other soil types. In the tropical and subtropical regions of my country, there are widely distributed acidic soils with various red or yellow soils. The local temperature is high and the rainfall is heavy, with the annual rainfall mostly above 1500mm. The characteristics of high temperature, rainy season, and hot and humid seasons make the weathering and pedogenesis of the soil very strong, and the cycle of biological matter is very rapid. The base is highly unsaturated and the pH is generally 4.5-6. At the same time, iron and aluminum...

Claims

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Application Information

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IPC IPC(8): C09K17/40B01J2/00B01J2/30B01J2/14C09K101/00C09K109/00
CPCC09K17/40B01J2/00B01J2/30B01J2/14C09K2101/00C09K2109/00
Inventor 杜斌
Owner 黑龙江沃坤农业科技有限公司
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