A kind of preparation method of calcined dolomite powder
The technology of dolomite powder and dolomite, which is applied in the field of building materials, can solve the problems of high energy consumption, complex production process, low efficiency, etc., and achieve the effects of low energy consumption, simple method and favorable volume stability.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0025] The preparation method of calcined dolomite powder in the present embodiment, comprises the following steps:
[0026] (1) Use a crusher to crush the dolomite to less than 1mm;
[0027] (2) Mix silica powder and crushed dolomite evenly at a mass ratio of 0.5:1, SiO in silica powder 2 The content is 95%;
[0028] (3) Calcinate the above mixture at 1150°C for 2 hours, take it out and cool it naturally;
[0029] (4) Grinding the cooled calcined product through a sieve with an aperture of 75 μm to obtain the calcined dolomite powder.
Embodiment 2
[0031] The preparation method of calcined dolomite powder in the present embodiment, comprises the following steps:
[0032] (1) Use a crusher to crush the dolomite to less than 1mm;
[0033] (2) Mix silica fume and broken dolomite evenly at a mass ratio of 1:1, SiO in silica fume 2 The content is 85%;
[0034] (3) Calcinate the above mixture at 1300°C for 3 hours, take it out and cool it naturally;
[0035] (4) Grinding the cooled calcined product through a sieve with an aperture of 75 μm to obtain the calcined dolomite powder.
Embodiment 3
[0037] The preparation method of calcined dolomite powder in the present embodiment, comprises the following steps:
[0038] (1) Use a crusher to crush the dolomite to less than 1mm;
[0039] (2) Mix diatomite and crushed dolomite evenly in a mass ratio of 2.5:1, SiO in diatomite 2 The content is 75%;
[0040] (3) Calcinate the above mixture at 1650°C for 1.5h, take it out and cool it naturally;
[0041] (4) Grinding the cooled calcined product through a sieve with an aperture of 58 μm to obtain the calcined dolomite powder.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com