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Device for low-temperature continuous conversion of potassium chloride to heating steam and production process thereof

A potassium chloride and steam technology, which is applied to potash fertilizers, inorganic fertilizers, fertilization devices, etc., can solve the problems of high investment and maintenance costs, many reactions and auxiliary equipment, and low heat utilization rate, and achieves low investment and maintenance costs. Less reaction and auxiliary equipment, good corrosion resistance

Inactive Publication Date: 2006-08-30
XIYANG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Long reaction time and low output
[0004] 2. Low heat utilization rate
[0005] 3. There are many reaction and auxiliary equipment, high investment and maintenance costs, and serious equipment corrosion

Method used

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  • Device for low-temperature continuous conversion of potassium chloride to heating steam and production process thereof
  • Device for low-temperature continuous conversion of potassium chloride to heating steam and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0025] Such as figure 1 The shown existing equipment is provided with sulfuric acid inlet a, potassium chloride inlet b, hydrogen chloride outlet d, and steam inlet g on the barrel-shaped reactor 1 , g 2 , discharge port s, condensed water outlet o, stirring paddle M, thermometer T.

[0026] Such as figure 2 As shown, the potassium chloride low-temperature continuous conversion steam heating equipment of the present invention has a rectangular reaction tank, 5 to 7 evenly distributed steam inlets g are arranged on the top cover of the reaction tank, and a steam inlet g is arranged on the left end of the top cover. Potassium chloride inlet a and sulfuric acid inlet b, 4 to 6 stirring paddle ports e evenly distributed in the left and right directions of the top cover, 2 to 4 thermometer ports c on the left and right parts of the top cove...

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Abstract

Disclosed is an apparatus for low-temperature continuous conversion of potassium chloride to heating steam and production process, wherein the apparatus includes a rectangular reaction tank having an intake port of steam, potassium chloride and sulfuric acid, a hydrogen chloride gas outlet, a temperature gauge port and a stirring paddle port on the roof board, a potassium hydrogen sulfate outlet at the center of the right side wall, a drainage port on the right side bottom, and a steam raw material pipe line. The production process comprises charging steam, potassium chloride and sulfuric acid successively into the reaction tank, wherein the weight ratio of potassium chloride and sulfuric acid is 1 : 1.2-1.7, controlling temperature in reaction area with steam amount, stirring the reaction mass with the stirring paddle, and finally discharging potassium hydrogen sulfate end product continuously.

Description

technical field [0001] The invention belongs to the technical field of compound fertilizer production, in particular to equipment and a production process for potassium chloride low-temperature continuous conversion steam heating, and the produced potassium bisulfate is one of the main raw materials for producing NPK compound fertilizer. Background technique [0002] In the production of NPK compound fertilizer, as the raw material of potassium element, it is necessary to convert potassium chloride and sulfuric acid into potassium bisulfate. The traditional conversion process is the Mannheim furnace method. This method is potassium chloride and sulfuric acid at 500-600 ° C Reaction at high temperature. This kind of process equipment has a large investment and high energy consumption. It will be changed to a low-temperature batch conversion process in the future. The reaction equipment used in this process is an enamel reactor, and its structure is as follows figure 1 shown....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05D1/02
Inventor 周伟周超刘正非
Owner XIYANG CORP
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