Gangue paste cementing material, preparation method thereof, gangue paste filling material and preparation method thereof
A technology of cementing material and gangue, which is applied in the field of mine filling, can solve the problems of high raw material cost and low strength, and achieve the effects of reduced production cost, high economic value, and improved coagulation strength and coagulation speed
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0034] Example 1
[0035] A gangue gypsum body cement is composed of the following parts by mass:
[0036] 20 parts of Portland cement clinker, 2 parts of sulphoaluminate cement clinker, 5 parts of modified gypsum, 60 parts of mineral powder, 5 parts of limestone powder, 0.2 parts of sodium silicate, 2 parts of admixtures.
[0037] Among them, the fineness of Portland cement clinker is between 350-400 mesh;
[0038] The sulphoaluminate cement clinker is mixed with bauxite, limestone, gypsum and boric acid and then calcined at 1300℃, then ground to a specific surface area ≥460m 2 / kg, the mixing mass ratio of the bauxite, limestone, gypsum and boric acid is 30:45:8:1, and the content of alumina in the sulphoaluminate cement clinker is 29%;
[0039] The admixture is composed of sodium carboxymethyl cellulose, polyacrylamide, superplasticizer and polycarboxylate with a mass ratio of 2:1:1:1; the superplasticizer is composed of wood with a mass ratio of 2:1 It is composed of calcium sulfon...
Example Embodiment
[0044] Example 2
[0045] A gangue gypsum body cement is composed of the following parts by mass:
[0046] Portland cement clinker 25 parts, sulphoaluminate cement clinker 3 parts, modified gypsum 8 parts, mineral powder 65 parts, limestone powder 8 parts, sodium silicate 0.25 parts, admixture: 3 parts.
[0047] Among them, the fineness of Portland cement clinker is between 350-400 mesh;
[0048] The sulphoaluminate cement clinker is mixed with bauxite, limestone, gypsum and boric acid and then calcined at 1350℃, then ground to a specific surface area ≥460m 2 / kg, the mixing mass ratio of the bauxite, limestone, gypsum and boric acid is 36:50:15:1.5, and the content of alumina in the sulfoaluminate cement clinker is 32%;
[0049] The admixture is composed of sodium carboxymethyl cellulose, polyacrylamide, superplasticizer and polycarboxylate with a mass ratio of 2.5:1.5:1.5:1.5; the superplasticizer is composed of wood with a mass ratio of 5:3 It is composed of calcium sulfonate and so...
Example Embodiment
[0054] Example 3
[0055] A gangue gypsum body cement is composed of the following parts by mass:
[0056] 30 parts of Portland cement clinker, 4 parts of sulfoaluminate cement clinker, 10 parts of modified gypsum, 70 parts of mineral powder, 10 parts of limestone powder, 0.3 part of sodium silicate, 4 parts of admixture.
[0057] Among them, the fineness of Portland cement clinker is between 350-400 mesh;
[0058] Sulphoaluminate cement clinker is mixed with bauxite, limestone, gypsum and boric acid, then calcined at 1400℃, and then ground to a specific surface area ≥460m 2 / kg, the mixing mass ratio of the bauxite, limestone, gypsum and boric acid is 42:58:20:2, and the content of alumina in the sulfoaluminate cement clinker is 35%;
[0059] The admixture is composed of sodium hydroxymethyl cellulose, polyacrylamide, superplasticizer and polycarboxylate with a mass ratio of 3:2:2:2; the superplasticizer is composed of wood with a mass ratio of 3:2 It is composed of calcium sulfonate ...
PUM
Property | Measurement | Unit |
---|---|---|
Specific surface area | aaaaa | aaaaa |
Specific surface area | aaaaa | aaaaa |
Fineness | aaaaa | aaaaa |
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap