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Bottom brick in tin pot

A technology of tin bath bottom bricks and silica bricks, which is applied in the field of tin bath bottom bricks, can solve the problems of peeling off the upper surface of tin bath bottom bricks, reduce the resistance of tin bath bottom bricks to alkali erosion, and affect the service life of tin bath bottom bricks. To achieve the effect of prolonging the service life and strong alkali corrosion resistance

Inactive Publication Date: 2004-03-10
吕志干
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tin bath bottom brick produced with the above raw materials has the following defects: (1) The raw clay has a large shrinkage after drying and firing, and it is easy to form through capillary pores between the aggregate and the matrix, thereby reducing the tin bath bottom brick. (2) The main mineral composition of raw clay is kaolin or montmorillonite, which is transformed into mullite after burning:
[0005] Mullite is accompanied by large volume expansion in the process of transforming into nepheline, which can easily cause the upper surface of the tin bath bottom brick to peel off, thus affecting the service life of the tin bath bottom brick

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0022] The raw materials needed for the tin bath bottom brick of the present invention are prepared in the following proportions (by weight): 15 parts of aluminum-silicon clinker of 0-1mm, 10 parts of aluminum-silicon clinker of 1-3mm, and 10 parts of aluminum-silicon clinker of 3-5mm 15 parts of clinker, 20 parts of 5-8mm aluminum-silicon clinker, 20 parts of 220-250 mesh mullite powder, 5 parts of silica brick powder, 4 parts of silicon micropowder, 3 parts of high alumina cement, sodium tripolyphosphate 0.1 parts, and 6.9 parts of water. Use the high-alumina cement in the above ratio as a binder, mold it by pouring vibration, and fire it at 1300°C to obtain the tin bath bottom brick of the present invention.

Embodiment 2

[0024] The raw materials required for the tin bath bottom brick of the present invention are prepared in the following proportions (by weight): 17 parts of aluminum-silicon clinker of 0-1mm, 12 parts of aluminum-silicon clinker of 1-3mm, and 12 parts of aluminum-silicon clinker of 3-5mm 20 parts of clinker, 25 parts of 5-8mm aluminum-silicon clinker, 22 parts of 220-250 mesh bauxite powder, 7 parts of sandstone powder, 5 parts of silica powder, 4 parts of high alumina cement, sodium tripolyphosphate It is 0.2 parts, and water is 6.8 parts. Use the high-alumina cement in the above ratio as a binding agent, mold it by pouring vibration, and fire it at 1325°C to obtain the tin bath bottom brick of the present invention.

Embodiment 3

[0026] The raw materials required for the tin bath bottom brick of the present invention are prepared in the following proportions (by weight): 20 parts of aluminum-silicon clinker of 0-1mm, 15 parts of aluminum-silicon clinker of 1-3mm, and 15 parts of aluminum-silicon clinker of 3-5mm 25 parts of clinker, 30 parts of 5-8mm aluminum-silicon clinker, 25 parts of 220-250 mesh clay powder, 5 parts of kyanite, 6 parts of silicon micropowder, 5 parts of high alumina cement, and 5 parts of sodium tripolyphosphate 0.05 parts, water is 7.5 parts. Use the high-alumina cement in the above ratio as a binding agent, mold it by pouring vibration, and fire it at 1350°C to obtain the tin bath bottom brick of the present invention.

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Abstract

A bottom brick for tin pool used for the float glass production line is prepared from Si-Al clinker, low-Al fine powder, silicon brick powder, fine silicon powder, high-Al cement as binder, water reducing agent and water. Its advantage is long service life.

Description

technical field [0001] The invention relates to a tin bath bottom brick used for tin bath masonry in a float glass production line. Background technique [0002] At present, most of the methods for producing tin bath bottom bricks use sintered coke gemstones as aggregates and raw clay as binder. The tin bath bottom brick produced with the above raw materials has the following defects: (1) The raw clay has a large shrinkage after drying and firing, and it is easy to form through capillary pores between the aggregate and the matrix, thereby reducing the tin bath bottom brick. (2) The main mineral composition of raw clay is kaolin or montmorillonite, which is transformed into mullite after burning: <chemistry num="001"> <chem file="02139024_cml001.xml" / > < / chemistry> <chemistry num="002"> <chem file="02139024_cml002.xml" / > < / chemistry> <chemistry num="003"> <chem file="02139024_cml003.xml" / > < / chemistry> <che...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B18/16
Inventor 张宪岭刘树一陈建伟崔明奎
Owner 吕志干
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