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Method for preparing plant ash saturated aqueous solution and application thereof

A plant ash and water solution technology, which is applied in the field of preparation of plant ash saturated aqueous solution, can solve problems such as inconvenient spreading, nitrogen volatilization loss, single nutrition, etc., and achieves the effects of easy operation, low operating cost, simple equipment and process

Inactive Publication Date: 2010-09-08
陈建伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plant ash refers to the ashes of herbaceous and woody plants after burning. It contains mineral elements contained in plants. Among them, the most abundant is 6-12% potassium, and more than 90% of these potassium components are water-soluble. Potassium carbonate (K2CO3) It exists in form, because of its light weight, it is not easy to spread in powder form, it is easy to go with the wind when it is dry, and it is easy to go with water when it is wet; the pH value is 9 and it is alkaline, which is easy to make the soil alkaline, and it is easy to contact with nitrogen fertilizer. Cause nitrogen volatilization and loss, corrode organic fertilizer and other dung; and because of its single nutrition, it is difficult to meet the needs of crops, a large amount of plant ash is produced every year in our country, only a small amount is used in agriculture, and most of them are thrown away with garbage. Occasionally, in windy days, become the chief culprit of environmental pollution

Method used

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  • Method for preparing plant ash saturated aqueous solution and application thereof
  • Method for preparing plant ash saturated aqueous solution and application thereof
  • Method for preparing plant ash saturated aqueous solution and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1 The preparation method of plant ash saturated aqueous solution and its application in granulation potash fertilizer process

[0034] A preparation method of plant ash saturated aqueous solution, comprising the following steps:

[0035] (1) Pulping: Mix 250KG of plant ash in the raw pulp tank, soak for 3 hours, and make mixed mortar A and provide it to the mixing process;

[0036] (2) Mixing: Start the first mortar pump, suck the mixed mortar A and flush it into the raw slurry pool again, so as to obtain a homogeneous mortar B with uniform concentration and provide it to the solid-liquid separation process;

[0037] This process is carried out continuously;

[0038] (3) Solid-liquid separation in the early stage: start the second mortar pump, extract the homogeneous mortar B and input it into the first centrifugal drum type solid-liquid separator for solid-liquid separation, and recover the separated solid dregs D1, and the separated liquid It flows back into...

Embodiment 2

[0049] Example 2 The preparation method of plant ash saturated aqueous solution and its application in granulation potash fertilizer process

[0050] A kind of preparation method of plant ash saturated aqueous solution utilizes figure 1 The facilities shown are implemented. The preparation method comprises the following steps:

[0051] (1') Pulping: in the raw pulp pool P, plant ash and 100KG of water were mixed, soaked for 2 hours, and the mixed mortar A was obtained and provided to the mixing process;

[0052] (2') Mixing: Start the first mortar pump M1, suck the mixed mortar A and flush it into the raw slurry pool P again, so as to obtain a homogeneous mortar B with uniform concentration and provide it to the solid-liquid separation process;

[0053] This process is carried out continuously;

[0054] (3') Solid-liquid separation in the early stage: start the second mortar pump M2, extract the homogeneous mortar B and input it into the centrifugal drum type solid-liquid s...

Embodiment 3

[0064] Example 3 The preparation method of plant ash saturated aqueous solution and its application in granulation potash fertilizer process

[0065] (1 ″) Pulping: Mix 100KG each of plant ash and water in the raw pulp pool, soak for 4 hours, and make mixed mortar A and provide it to the mixing process;

[0066] (2″) Mixing: Start the first mortar pump, suck the mixed mortar A and flush it into the raw slurry pool again, so as to obtain a homogeneous mortar B with uniform concentration and provide it to the solid-liquid separation process;

[0067] This process is carried out continuously;

[0068] (3″) Solid-liquid separation in the early stage: start the second mortar pump, extract the homogeneous mortar B and input it into the centrifugal drum type solid-liquid separator for solid-liquid separation, the inlet of the centrifugal drum type solid-liquid separator is connected with the first The two mortar pumps are connected, and the discharge port is connected with the raw p...

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Abstract

The invention a method for preparing a plant ash saturated aqueous solution and application thereof. The method comprises the following steps of: carrying out the procedures, such as dissolution, solid-liquid separation, and the like on plant ash to prepare a plant ash saturated aqueous solution; and further preparing a potassium fertilizer particle or purifying by utilizing the plant ash saturated aqueous solution. The method is simple and easy and has low cost, the prepared potassium fertilizer is easy for storage and application and can be used for compounding other fertilizers, and the particle has potassium content more than 10 percent, nitrogen content more than 3 percent and a pH value 5-7, can coexist with ammonium nitrogen, is an ecological type fertilizer, contains all secondary trace elements needed by crops and can remove various damages brought by using chemical fertilizers in excess for many years, such as quality reduction of agricultural products, soil hardening, great popularity of disease and insect pest, and the like; and the potassium carbonate prepared by purification has high purity and can be further used for preparing other agricultural fertilizers.

Description

technical field [0001] The invention relates to a crop fertilizer, in particular to a method for preparing a plant ash saturated aqueous solution and its utilization. Background technique [0002] Plant ash refers to the ashes of herbaceous and woody plants after burning. It contains mineral elements contained in plants. Among them, the most abundant is 6-12% potassium, and more than 90% of these potassium components are water-soluble. Potassium carbonate (K2CO3) It exists in form, because of its light weight, it is not easy to spread in powder form, it is easy to go with the wind when it is dry, and it is easy to go with water when it is wet; the pH value is 9 and it is alkaline, which is easy to make the soil alkaline, and it is easy to contact with nitrogen fertilizer. Cause nitrogen volatilization and loss, corrode organic fertilizer and other dung; and because of its single nutrition, it is difficult to meet the needs of crops, a large amount of plant ash is produced ev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05D1/00
Inventor 陈建伟
Owner 陈建伟
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