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Cement curing catalyst

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

Inactive Publication Date: 2014-04-23
武安市鼓山水泥有限公司
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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] Mix potassium permanganate, sodium carbonate, dicobalt trioxide and sodium chloride uniformly in a mass ratio of 1:0.5:0.5:0.1, then add 2wt% to the cement raw material, calcinate and mature to obtain Portland cement clinker.

Embodiment 2

[0012] Mix potassium permanganate, sodium carbonate, dicobalt trioxide and sodium chloride uniformly in a mass ratio of 1:1.5:0.7:0.2, then add 1 wt% to the cement raw material, calcinate and mature to obtain Portland cement clinker.

Embodiment 3

[0014] Mix potassium permanganate, sodium carbonate, dicobalt trioxide and sodium chloride uniformly in a mass ratio of 1:1:1:0.3, then add 0.5wt% to the cement raw material, calcinate and mature to obtain silicate cement clinker.

[0015] Under the same conditions, compared with the addition of fluorite, the cement curing catalyst of the present invention can reduce the curing (calcination) time by 13-19%.

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PUM

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Abstract

The invention discloses a cement curing catalyst which comprises the following components in parts by mass: 1 part of potassium permanganate, 0.5-1.5 parts of sodium carbonate, 0.5-1 part of cobaltic oxide and 0.1-0.3 part of sodium chloride. Compared with the existing method of adding fluorite, the cement curing catalyst disclosed by the invention can shorten the curing (calcining) time by 13-19% and can not cause environmental pollution.

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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IPC IPC(8): C04B7/42
Inventor 唐萍欧辉章莫泰川
Owner 武安市鼓山水泥有限公司