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Cement curing catalyst

A catalyst and cement technology, applied in the field of cement admixture, can solve problems such as accelerating the formation of clinker minerals, shortening calcination time, fluorine environmental pollution, etc., and achieve the effect of time reduction

Active Publication Date: 2014-04-30
亚泰集团伊通水泥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cement slaking is the stage that consumes the most heat energy in cement production. The mineralizers such as fluorite added in the existing production are mainly to reduce the sintering temperature, reduce heat consumption, and improve the quality of clinker. However, the fluorine in fluorite is easy to cause environmental pollution. Pollution, and has limited effect on accelerating the formation of clinker minerals and shortening the calcination time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Potassium permanganate, sodium carbonate, dicobalt trioxide and sodium hydroxide are mixed evenly in a mass ratio of 1:0.5:0.5:0.01, and then added to the cement raw material in an amount of 1wt%, calcined and matured to obtain Portland cement clinker.

Embodiment 2

[0012] Potassium permanganate, sodium carbonate, dicobalt trioxide and sodium hydroxide are mixed evenly in a mass ratio of 1:1.5:0.7:0.02, and then added to the cement raw material in an amount of 2wt%, calcined and matured to obtain Portland cement clinker.

Embodiment 3

[0014] Mix potassium permanganate, sodium carbonate, cobalt trioxide and sodium hydroxide uniformly in a mass ratio of 1:1:1:0.01, then add 0.5wt% to the cement raw material, calcinate and mature to obtain silicate cement clinker.

[0015] Under the same conditions, compared with adding fluorite, the cement curing catalyst of the present invention can reduce the curing (calcination) time by 12-15%.

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Abstract

The invention discloses a cement curing catalyst. The cement curing catalyst contains potassium permanganate, sodium carbonate, cobaltic oxide and sodium hydroxide, wherein the mass ratio of potassium permanganate, sodium carbonate, cobaltic oxide and sodium hydroxide is 1: (0.5-1.5): (0.5-1): (0.01-0.02). Compared with the addition of fluorite, the cement curing catalyst disclosed by the invention has the advantages that the curing (calcining) time can be reduced by 12-15%, and environmental pollution can be avoided.

Description

technical field [0001] The invention belongs to the field of cement admixtures and relates to a cement curing catalyst. Background technique [0002] The curing process of Portland cement is also a process of carbonate decomposition and solid-state reaction of clay and oxides produced by decomposition. Cement slaking is the stage that consumes the most heat energy in cement production. Mineralizers such as fluorite are added in the existing production mainly to reduce the sintering temperature, reduce heat consumption, and improve the quality of clinker. However, the fluorine in fluorite is easy to cause environmental pollution. Pollution, and has limited effect on accelerating the formation of clinker minerals and shortening the calcination time. Contents of the invention [0003] The technical problem to be solved by the invention is to overcome the existing defects and provide a cement curing catalyst. [0004] In order to solve the problems of the technologies descri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B7/42
Inventor 唐萍欧辉章莫泰川
Owner 亚泰集团伊通水泥有限公司