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A Composite Mineralizer Suitable for Calcination of Belite Barium Calcium Sulfate Aluminate Cement

A barium calcium sulfoaluminate and mineralizer technology, applied in the field of mineralizers, can solve problems such as restrictions on large-scale promotion and application and gaps, and achieve the effects of wide application and promotion, reduction of production costs, and improvement of cement performance

Active Publication Date: 2017-12-26
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the early mechanical properties of this cement are still far behind high-grade cement, which limits its large-scale application

Method used

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  • A Composite Mineralizer Suitable for Calcination of Belite Barium Calcium Sulfate Aluminate Cement
  • A Composite Mineralizer Suitable for Calcination of Belite Barium Calcium Sulfate Aluminate Cement
  • A Composite Mineralizer Suitable for Calcination of Belite Barium Calcium Sulfate Aluminate Cement

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Experimental program
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Effect test

Embodiment

[0021] The composite mineralizer of the present invention is used in the preparation process of Belite-barium calcium sulfoaluminate cement, and the specific implementation is as follows.

[0022] The main components of the composite mineralizer come from low-grade raw materials and industrial solid waste, and their main chemical compositions are shown in Table 1. The primary sources of mineralizers are not limited to the raw materials shown in Table 1.

[0023] Table 1 Composition % of basic raw materials for configuring composite mineralizers

[0024]

[0025] According to the requirements of the present invention, the compound mineralizer batching is carried out according to the proportion composition requirements shown in Table 2, and the raw materials are used as shown in Table 1; if the batching cannot be done as required, the insufficient components are corrected using chemical reagents. The design content of barium calcium sulfoaluminate phase in the raw meal of Be...

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Abstract

The invention discloses a compound mineralizing agent suitable for burning of belite-barium calcium sulphoaluminate cement. The mineralizing agent is mainly prepared from, by weight, 10%-23% of BaO, 5%-22% of SrO, 24%-60% of MgO, 10%-22% of SO3, 3%-10% of Na2O and 6%-10% of K2O. The mass percent of the compound mineralizing agent mixed into a belite-barium calcium sulphoaluminate cement raw material ranges from 3% to 10%. The compound mineralizing agent can stabilize the high temperature crystal form of the belite-barium calcium sulphoaluminate cement, improve the early strength of the belite-barium calcium sulphoaluminate cement and reduce the calcination temperature of clinker.

Description

technical field [0001] The invention relates to a mineralizer in the production of belite-barium calcium sulfoaluminate cement clinker, in particular to a composite mineralizer for calcining belite-barium calcium sulfoaluminate cement. Background technique [0002] Traditional Portland cement has high energy consumption, consumption of high-quality limestone resources, CO 2 Disadvantages such as large discharge, and its volume stability and durability need to be further improved. With the improvement of national requirements for the quality of infrastructure construction and the increasing social concern for energy conservation, emission reduction and environmental protection, the research on high belite cement has attracted the attention of cement scientists and technicians. The cement hydration Ca (OH) 2 Low formation amount, good durability in corrosion resistance, frost resistance, impermeability, etc.; good volume stability; high long-term strength and stable growth; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/42
CPCC04B7/424
Inventor 王守德黄永波赵艳婷芦令超宫晨琛程新
Owner UNIV OF JINAN