Method for preparing complex-state mineral element organic liquid fertilizer

A technology of mineral elements and organic liquids, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems that affect the sustainable development of the phosphorus chemical industry, the phosphate rock resources are not fully utilized, and the phosphate rock resources are exhausted. , to achieve the effect of enhancing soil water and fertilizer retention capacity, improving chemical fertility and improving utilization rate

Inactive Publication Date: 2016-02-17
SHENZHEN BATIAN ECOTYPIC ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thermal processing route of phosphate is facing the challenge of wet-process phosphoric acid production of phosphate due to other high energy consumption, high cost, low resource utilization rate, and serious environmental pollution.
To sum up, if these problems in domestic phosphate rock processing are not solved smoothly, on the one hand, it will lead to the rapid depletion of limited domestic phosphate rock resources and affect the sustainable development of the phosphorus chemical industry; on the other hand, , a large number of medium and low-grade phosphate rock resources have not been fully utilized, and the resource utilization rate is low, resulting in a great waste of non-renewable phosphorus resources
[0004] Chinese patent ZL200910219339, a water-soluble organic liquid fertilizer, Chinese patent ZL201010104125, an organic liquid biological fertilizer and its preparation method, containing amino acid water-soluble fertilizer, humic acid-containing water-soluble fertilizer, water-soluble fertilizer containing plant regulator, these commonly used There are deficiencies and defects in organic fertilizers themselves; some fertilizers have single nutrient content, and some fertilizers contain medium and trace elements but have low effectiveness. Therefore, it is necessary to innovate and develop a highly efficient use of phosphate rock resources, which not only contains complex / chelated mineral elements, Fertilizers that also contain water-soluble organic carbon, that is, supplement soil and crop mineral elements, and provide organic carbon nutrition

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A preparation method for mineral element activation concentrate, comprising the following steps:

[0038] Step 1: Mix 20 parts of phosphate rock powder, 5 parts of muscovite powder, 5 parts of potassium feldspar powder and 5 parts of calcium magnesium ore powder to obtain a mineral mixture;

[0039] Step 2: add phosphoric acid solution, the amount of solution is 0.5 times the total mass of the mineral mixture, soak for 1 hour, and filter;

[0040] Step 3: adding polyphosphate to the filtrate to mix and concentrating to obtain mineral element activation concentrate.

[0041] The preparation method of described organic acid concentrate, comprises the following steps:

[0042] Step 1: mixing sugarcane bagasse, tapioca bagasse, tea bagasse and corn bran evenly to obtain a mixture;

[0043] Step 2: Add an acid solution of 0.05 times the mass of the mixture, then add water of 1 times the mass of the mixture, react for 12 hours at 30°C and a pressure of 1.0kpa, and filter; ...

Embodiment 2

[0053] A preparation method for mineral element activation concentrate, comprising the following steps:

[0054] Step 1: Mix 80 parts of phosphate rock powder, 10 parts of muscovite powder, 20 parts of potassium feldspar powder and 10 parts of calcium magnesium ore powder to obtain a mineral mixture;

[0055] Step 2: add nitric acid solution, the amount of solution is 3 times of the total mass of the mineral mixture, soak for 1 hour, filter;

[0056] Step 3: Add polypectic acid to the filtrate, mix and concentrate to obtain mineral element activation concentrate.

[0057] The preparation method of described organic acid concentrate, comprises the following steps:

[0058] Step 1: mixing sugarcane bagasse, tapioca bagasse, tea bagasse and corn bran evenly to obtain a mixture;

[0059] Step 2: add an acid solution of 0.05 times the mass of the mixture, then add water of 1 times the mass of the mixture, react at 80°C and a pressure of 3.0kpa for 36 hours, and filter;

[0060] ...

Embodiment 3

[0070] A preparation method for mineral element activation concentrate, comprising the following steps:

[0071] Step 1: Mix 50 parts of phosphate rock powder, 7 parts of muscovite powder, 13 parts of potassium feldspar powder and 8 parts of calcium magnesium ore powder to obtain a mineral mixture;

[0072] Step 2: Add phosphoric acid solution, the amount of solution is twice the total mass of the mineral mixture, soak for 1 hour, and filter;

[0073] Step 3: adding polyphosphate to the filtrate to mix and concentrating to obtain mineral element activation concentrate.

[0074] The preparation method of described organic acid concentrate, comprises the following steps:

[0075] Step 1: mixing sugarcane bagasse, tapioca bagasse, tea bagasse and corn bran evenly to obtain a mixture;

[0076] Step 2: Add an acid solution of 0.07 times the mass of the mixture, then add water twice the mass of the mixture, react for 24 hours at 50°C and a pressure of 2.0kpa, and filter;

[0077]...

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PUM

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Abstract

The invention discloses a method for preparing complex-state mineral element organic liquid fertilizer. The method specifically comprises the steps of 1, evenly mixing well prepared mineral element activation concentrated solution with organic acid concentrated solution according to the mass ratio of 1:1-80, and adding the mixture in water, wherein the volume ratio of the mixed solution to water is 1-50%; 2, adding a complexing agent and conducting stirring with a stirrer, wherein temperature is controlled to be 30-80 DEG C, and time is controlled to be 5-30 min, so that mineral elements can be in a stable complex state; 3, adding an acid-base regulator and water to enable the pH value of the mixed solution to be 5.0-8.0 and specific gravity to be 1.05-1.85, so that the complex-state mineral element organic liquid fertilizer is obtained. The liquid fertilizer contains various nutrient substances good for plants, the suspension effect is stable, nutrients can be provided for crops, and soil can be improved.

Description

technical field [0001] The invention relates to the technical field of compound fertilizers, in particular to a method for preparing organic liquid fertilizers with complex mineral elements. Background technique [0002] According to the study of "Neoproterozoic Microbiological Fossils of Weng'an Phosphate Mine in Guizhou" by Yuan Xunlai and others in "Journal of Geology", it was found in the Neoproterozoic Doushantuo period phosphorites about 600 million years ago in Weng'an County, Guizhou Province. A specially preserved fossil biota - "Weng'an biota". From the overall appearance, the fossil biota mainly includes benthic multicellular algae, cyanobacteria and bacterial fossils, and more than 50 genera and species have been described. They and their living environment organically formed a complete Neoproterozoic Doushantuo stage shallow sea ecosystem. Due to the special phosphate preservation, it contains other unique organic calcium, magnesium, and various trace elements...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 王宗抗
Owner SHENZHEN BATIAN ECOTYPIC ENG
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