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Natural composite fertilizer granulating agent

A technology of compound fertilizer and granulation agent, which is applied in the direction of fertilization device, fertilizer mixture, solid/semi-solid fertilizer, etc. It can solve the problems of poor granulation effect, low viscosity, and many ineffective components, and achieve good bonding effect and high yield. Strong glue ability, unique dispersion effect

Inactive Publication Date: 2017-06-27
ANHUI BOSHUO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For the deficiencies in the prior art, the object of the present invention is to provide a kind of natural compound fertilizer granulation agent for the existing compound fertilizer granulation agent with low viscosity, many ineffective ingredients and poor granulation effect, which is made of sodium alginate powder , buckwheat starch, attapulgite clay natural material composition

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a kind of natural compound fertilizer granulating agent, and described natural compound fertilizer granulating agent comprises the following components by weight: 35 parts of sodium alginate powder, 20 parts of buckwheat starch, 18 parts of attapulgite clay and 19 parts of water share.

[0035] The preparation of sodium alginate powder adopts calcium coagulation-ion exchange method, and the concrete process of described calcium coagulation-ion exchange method is as follows:

[0036] (1) Soak and chop the seaweed;

[0037] (2) Digestion: add sodium carbonate solution for digestion, filter after dilution;

[0038] (3) Calcium precipitation: adjust the pH of the filtrate in the step (2) to 7, and add a calcium chloride solution with a mass fraction of 11% for calcium precipitation;

[0039] (4) Decalcification: washing the solution after calcium precipitation in the step (3) with water to remove residual inorganic salts, and then decalcifying wit...

Embodiment 2

[0049] This embodiment provides a kind of natural compound fertilizer granulating agent, and described natural compound fertilizer granulating agent comprises the following components by weight: 15 parts of sodium alginate powder, 30 parts of buckwheat starch, 6 parts of attapulgite clay and 38 parts of water share.

[0050] The preparation of sodium alginate powder adopts calcium coagulation-ion exchange method, and the concrete process of described calcium coagulation-ion exchange method is as follows:

[0051] (1) Soak and chop the seaweed;

[0052] (2) Digestion: add sodium carbonate solution for digestion, filter after dilution;

[0053] (3) Calcium precipitation: adjust the pH of the filtrate in the step (2) to 6, and add a calcium chloride solution with a mass fraction of 13% for calcium precipitation;

[0054] (4) Decalcification: washing the solution after calcium precipitation in the step (3) with water to remove residual inorganic salts, and then decalcifying with...

Embodiment 3

[0064] The present embodiment provides a kind of natural compound fertilizer granulating agent, and described natural compound fertilizer granulating agent comprises the following components by weight: 33 parts of sodium alginate powder, 24 parts of buckwheat starch, 16 parts of attapulgite clay and 21 parts of water share.

[0065] The preparation of described sodium alginate powder adopts calcium coagulation-ion exchange method, and the concrete technology of described calcium coagulation-ion exchange method is as follows:

[0066] (1) Soak and chop the seaweed;

[0067] (2) Digestion: add sodium carbonate solution for digestion, filter after dilution;

[0068] (3) Calcium precipitation: adjust the pH of the filtrate in the step (2) to 7, and add a calcium chloride solution with a mass fraction of 12% for calcium precipitation;

[0069] (4) Decalcification: washing the solution after calcium precipitation in the step (3) with water to remove residual inorganic salts, and t...

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Abstract

The invention belongs to the technical field of composite fertilizer granulating agents and provides a natural composite fertilizer granulating agent, prepared from, by weight, 15-35 parts of sodium alginate powder, 20-30 parts of buckwheat starch, 6-18 parts of attapulgite clay, and 19-38 parts of water. The natural composite fertilizer granulating agent provides good adhesion for raw materials of a composite fertilizer during composite fertilizer granulating, and the prepared fertilizer granules have high strength.

Description

technical field [0001] The invention belongs to the technical field of compound fertilizer granulation, and in particular relates to a natural compound fertilizer granulation agent. Background technique [0002] At present, the vast majority of solid compound fertilizers are granular fertilizers. Granular fertilizers have the following advantages in terms of physical properties: ① Small specific surface area, reducing the possibility of agglomeration. ②It has good fluidity, which is convenient for mechanized loading and unloading and fertilization. ③ The bulk density is small, which relatively reduces the cost of packaging, storage or transportation. ④ The dissolution rate of granular fertilizer in the soil is slow, which can reduce or eliminate the damage to the roots of crops, and also reduce the leaching loss of nitrogen nutrients. For compound fertilizers, binders must be added if they want to form round grains. Existing binders have the following deficiencies: [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05G5/12
Inventor 张志军
Owner ANHUI BOSHUO TECH
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