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Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop

A production method and concrete technology, which can be applied to floors, industrial buildings, buildings, etc., can solve problems such as threats to the safe use of load-bearing reinforced concrete floor structures, cracking of concrete floor surfaces, and failure to meet production needs, etc. Cracking, solving natural cracking, and ensuring the effect of stability

Inactive Publication Date: 2012-01-25
GUIYANG AL-MG DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Aluminum electrolysis is a high-temperature metal smelting process. The temperature of the aluminum solution in the electrolytic tank of the smelting equipment is as high as 960°C. During the production operation, in addition to the high-temperature aluminum molten liquid dripping on the floor from time to time, the conductive anode carbon rods need to be replaced in turn. The discarded high-temperature The residual electrode was replaced and placed on the steel bracket on the floor for natural cooling. In case of abnormal operation, the high-temperature residual electrode was directly placed on the floor, so the floor was even subjected to nearly 600°C radiation The effect of heat, coupled with the operation of heavy-duty trucks, has resulted in large-scale cracking and falling off of the currently used concrete floor surface
This not only affects production, but also threatens the safe use of load-bearing reinforced concrete floor structures
Therefore, the concrete floor structure of the existing aluminum electrolysis workshop still cannot meet the needs of production

Method used

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  • Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop
  • Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop
  • Method for manufacturing anti-cracking concrete floor of aluminium electrolysis workshop

Examples

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Embodiment 1

[0021] Embodiment 1 of the present invention: as figure 1 As shown, the reinforced concrete floor structure layer 1 is first made according to the traditional method, and then the load-bearing reinforced concrete floor structure layer 1 after pouring, troweling and drying is cleaned up, and a layer of thickness ≤ 1.5 mm thick asphalt isolation layer 2, asphalt mastic material can be used for the asphalt isolation layer 2, after the asphalt isolation layer 2 is dry, a layer of fine stone concrete surface with a thickness of 60-80 mm is poured on the asphalt isolation layer 2 Layer 3, when pouring the fine stone concrete surface layer 3, the strength grade of the fine stone concrete surface layer 3 should not be less than C35 concrete, and use a flat vibrator to vibrate compactly and then tamp and wipe. The stone concrete surface layer 3 is divided into rectangular fine stone concrete surface layers 3 of 3~6m×3~6m, and a fine stone concrete surface layer 3 is made between every ...

Embodiment 2

[0022] Embodiment 2 of the present invention: as figure 2 As shown, the reinforced concrete floor structure layer 1 is first made according to the traditional method, and then the load-bearing reinforced concrete floor structure layer 1 after pouring, troweling and drying is cleaned up, and a layer of thickness ≤ 1.5 mm thick asphalt isolation layer 2, the asphalt isolation layer 2 can be made of asphalt mastic material, after the asphalt isolation layer 2 is dry, lay a layer of steel mesh layer 7 on the asphalt isolation layer 2, and make the reinforcement mesh layer 7 high The surface of the asphalt isolation layer 2 is 10-15 mm, and the steel mesh layer 7 can be made of φ4200 bidirectional steel mesh, and then a layer of fine stone concrete surface layer 3 with a thickness of 60-80 mm is poured on the steel mesh layer 7; When pouring the fine stone concrete surface layer 3, the strength grade of the fine stone concrete surface layer 3 should not be less than C35 concrete, ...

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Abstract

The invention discloses a method for manufacturing an anti-cracking concrete floor of an aluminium electrolysis workshop, which comprises the following steps: firstly, manufacturing a structural layer of a reinforced concrete floor slab by a conventional method; secondly, coating an asphalt isolating layer with a thickness of less than or equal to 1.5 millimetres on the structural layer of the reinforced concrete floor slab; and finally, casting a fine aggregate concrete surface with the thickness of between 60 and 80 millimetres on the asphalt isolating layer after drying the asphalt isolating layer. The method for manufacturing the anti-cracking concrete floor of the aluminium electrolysis workshop has the following advantages that: 1, because of the addition of an asphalt mastic isolating layer, the surface is separated from the structural layer relatively; 2, because the concrete surface is provided with partitioned sub-lattices with through seams, the free boundary condition thereof contributes to the own free expansion of small blocks so as to prevent cracking; and 3, because the high-grade concrete surface is added with a steel mesh, the problems of thermal cracking, atmospheric cracking and the like can be solved effectively so as to ensure the stability of the surface.

Description

Technical field: [0001] The invention relates to a method for manufacturing a concrete anti-crack floor of an aluminum electrolysis workshop, and belongs to the technical field of manufacturing reinforced concrete floor surfaces. technical background: [0002] Aluminum electrolysis is a high-temperature metal smelting process. The temperature of the aluminum solution in the electrolytic tank of the smelting equipment is as high as 960°C. During the production operation, in addition to the high-temperature aluminum melt dripping on the floor from time to time, the conductive anode carbon rods need to be replaced in turn. The discarded high-temperature The residual electrode was replaced and placed on the steel bracket on the floor for natural cooling. In case of abnormal operation, the high-temperature residual electrode was directly placed on the floor, so the floor was even subjected to nearly 600°C radiation The thermal effect, coupled with the operation of heavy-duty truc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04F15/12E04H5/02
Inventor 王巍杨晓敏
Owner GUIYANG AL-MG DESIGN & RES INST