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Method for producing citrate-soluble potassium-magnesium fertilizer by employing potassium ore

A technology for potassium ore and potassium-magnesium fertilizer is applied in the field of production of soluble potassium-magnesium fertilizer, which can solve the problems of high cost of potassium-magnesium fertilizer, loss of market competitiveness, etc., and achieve the effects of enhanced disease and insect pest resistance, and significantly increased production and value-added benefits.

Inactive Publication Date: 2007-12-05
TIANJIN HANGU DISTRICT FUXIANG FERTILIZER PROCESSING FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cost of producing potassium and magnesium fertilizers by blast furnace fusion thermochemical method is relatively high, and gradually loses its market competitive advantage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0006] Embodiment, a kind of method that utilizes potassium-containing ore to produce structure-soluble potassium-magnesium fertilizer, take potassium feldspar, limestone, dolomite purification treatment of 15% by mass percentage of potassium oxide, respectively crush to particle diameter 10-20 millimeters, and white coal is crushed To a particle size of 1-2 mm, according to 1 part (mass part) of potassium ore, 0.84 part of limestone, 0.40 part of dolomite, 0.22 part of white coal powder, 0.085 part of conversion agent calcium chloride+sodium hydroxide (calcium chloride: hydrogen Sodium oxide = 1:0.2) ingredients are mixed evenly, put into ball mill to grind to particle size of 0.074mm, and then make balls, the ball diameter is about 10-15mm, put into cement shaft kiln for calcination, sinter at 1000-1300℃ for about 35 minutes, after cooling Unload the material out of the kiln, and then grind to a fineness of more than 90% and pass through a 120-mesh sieve, which is a powder pr...

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PUM

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Abstract

The process of producing soluble potassium-magnesium fertilizer with potassium containing ore includes: crushing potassium feldspar containing 15 wt% potassium oxide 1 weight portion, limestone 0.84 weight portion, dolomite 0.40 weight portion and white coal 0.22 weight portion; mixing the crushed potassium feldspar, limestone, dolomite, white coal, and converting agent comprising calcium chloride and sodium hydroxide in the weight ratio of 1 to 0.2 in 0.085 weight portion; grinding the mixture in a ball mill to 0.074 mm size; pelletizing; calcining in a vertical kiln at 1000-1300 deg.c for 35 min, cooling, grinding to 120 mesh and sieving to obtain the powdered fertilizer product. The fertilizer has obvious yield increasing effect, and capacity of raising resistance of crop.

Description

technical field [0001] The invention relates to a method for producing a structure-soluble potassium-magnesium fertilizer by using potassium-containing ore. Background technique [0002] The cost of producing potassium and magnesium fertilizers by blast furnace fusion thermochemical method is relatively high, and gradually loses its market competitive advantage. Therefore, it is urgent to seek the production method of potassium magnesium fertilizer with low production cost and good fertilizer efficiency. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects, and provide a method for producing constitutively soluble potassium-magnesium fertilizer by using potassium-containing ore. [0004] The technical scheme of the present invention is: a kind of method that utilizes potassium-containing ore to produce structure-soluble potassium-magnesium fertilizer, comprises the following steps: get potassium oxide mass perc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05D1/02C05D5/00
Inventor 杜云福
Owner TIANJIN HANGU DISTRICT FUXIANG FERTILIZER PROCESSING FACTORY