A kind of sodium bentonite type foamed ceramic body, sodium bentonite type foamed ceramic tile and preparation method thereof

A technology of sodium-based bentonite and foamed ceramics, applied in ceramic products, ceramic molding machines, manufacturing tools, etc., can solve the problems of high strength, low bulk density, difficulty, etc.

Active Publication Date: 2022-08-05
MONALISA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally speaking, in the production and preparation of foamed ceramics, it is a contradiction to pursue lower bulk density and higher strength at the same time. It is difficult to obtain products with excellent performance at the same time.

Method used

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  • A kind of sodium bentonite type foamed ceramic body, sodium bentonite type foamed ceramic tile and preparation method thereof
  • A kind of sodium bentonite type foamed ceramic body, sodium bentonite type foamed ceramic tile and preparation method thereof
  • A kind of sodium bentonite type foamed ceramic body, sodium bentonite type foamed ceramic tile and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] 1. Prepare the green body powder. The raw material formula composition of the green body powder includes, in terms of mass percentage, including: Lihong sand 10%, Lingwu sand 5%, sodium bentonite 12%, 4# mud 10%, double cement 8%, Zhongshan black Mud 3%, filter press residue 50%, limestone 2%. Add reinforcing agent 0.15%, silicon carbide 0.20%. The chemical composition of the green body includes: by mass percentage, SiO 2 67.63%, Al 2 O 3 18.63%, Fe 2 O 3 0.94%, TiO 2 0.31%, CaO 1.93%, MgO 0.70%, K 2 O 2.34%, Na 2 O1.82%, burning loss 4.81%.

[0053] Weigh each raw material according to the above ratio, put it into a ball mill for ball milling to obtain a slurry, and spray the slurry with a spray tower to obtain a green body powder. The moisture content of the green powder is 7.2-7.8 wt%. The particle gradation of the green powder is: in terms of mass percentage, 12~18% above 30 mesh, 30~60 mesh ≥70%, 60~80 mesh ≤8%, and below 80 mesh <6%.

[0054] 2. Press...

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Abstract

The invention discloses a sodium-based bentonite-type foamed ceramic body, a sodium-based bentonite-type foamed ceramic tile and a preparation method thereof. The raw materials of the green body include 0.15-0.20 wt% of silicon carbide and 7-12 wt% of sodium bentonite, and the mass ratio of the sodium bentonite to silicon carbide is (35-45):1.

Description

technical field [0001] The invention belongs to the technical field of production and manufacture of foamed ceramic bricks, and in particular relates to a sodium-based bentonite-type foamed ceramic body, a sodium-based bentonite-type foamed ceramic brick and a preparation method thereof. Background technique [0002] At present, the production of foamed ceramics uses the form of adding foaming agents. The types of foaming agents include filter press residues, polishing residues, silicon carbide, etc. produced in the production of ceramic wall and floor tiles. On the one hand, in order to have a good foaming effect and achieve a higher utilization rate of waste resources, the amount of filter press residue and polishing residue is usually added, which also brings about the uncontrollable firing process and finished product performance to a certain extent. sex and instability. On the other hand, if only silicon carbide is used as a foaming agent, when the amount of silicon c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/14C04B38/02C04B38/06C04B41/89C03C8/00B28B11/24B28B11/04B28B11/00
CPCC04B38/02C04B38/064C04B35/14C04B41/52C04B41/89C03C8/00B28B11/044B28B11/001B28B11/243C04B2235/3217C04B2235/3272C04B2235/3232C04B2235/3206C04B2235/3208C04B2235/3201C04B2235/349C04B2235/3826C04B41/504C04B41/5022
Inventor 刘一军杨元东闫志聪王贤超覃增成黄玲艳
Owner MONALISA GRP CO LTD
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