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High-temperature-resistant concrete

A concrete and high-temperature-resistant technology, applied in the field of concrete, can solve problems such as high cost and complex proportioning, and achieve the effects of fast strength increase rate, increased benefit, and high strength

Inactive Publication Date: 2019-05-10
SHANGHAI BAOYE CONSTR INDAL FURNACE ENG TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problems of complex proportioning and high cost in the prior art, thereby providing a high temperature resistant concrete with simple proportioning, low cost and convenient construction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This embodiment provides a high-temperature-resistant concrete, including low-calcium aluminate cement, high-alumina bauxite clinker powder, high-alumina vanadium clinker sand, high-alumina vanadium clinker block and water, wherein the low-calcium aluminum The weight ratio of salt cement is 15%, the weight ratio of the high alumina bauxite clinker powder is 10%, the weight ratio of the high alumina bauxite clinker sand is 33%, and the high alumina bauxite clinker The weight ratio of the blocks was 35%, and the water-cement ratio of the water to the low calcium aluminate cement was 0.35.

[0019] The high-temperature resistant concrete described in this embodiment includes low-calcium aluminate cement, high-alumina bauxite clinker powder, high-alumina vanadium clinker sand, high-alumina vanadium clinker block and water. Since the above raw materials can be purchased directly, Moreover, there are many such raw materials in the market, and the purchase is convenient, so th...

Embodiment 2

[0022] This embodiment provides a high-temperature-resistant concrete, the proportion of which is different from that of Embodiment 1, but the formed concrete has the same strength and high-temperature resistance. Specifically, the weight ratio of the low-calcium aluminate cement is 12%, the weight ratio of the high-alumina bauxite clinker powder is 5%, and the weight ratio of the high-alumina bauxite clinker sand is 30%, The weight ratio of the high-alumina vanadium clay clinker block is 30%, and the water-cement ratio of the water to the low-calcium aluminate cement is 0.32.

Embodiment 3

[0024] This embodiment provides a high temperature resistant concrete, the proportion of which is different from that of Embodiment 1 and Embodiment 2, but the formed concrete is also strong and resistant to high temperature. Specifically, the weight ratio of the low-calcium aluminate cement is 14%, the weight ratio of the high-alumina bauxite clinker powder is 6%, and the weight ratio of the high-alumina bauxite clinker sand is 32%, The weight ratio of the high-alumina vanadium clay clinker block is 33%, and the water-cement ratio of the water to the low-calcium aluminate cement is 0.33.

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Abstract

The invention relates to high-temperature-resistant concrete. The high-temperature-resistant concrete comprises, by weight percentage, 12-19% of low-calcium aluminate cement, 5-15% of high-bauxite clinker powder, 30-35% of high-bauxite clinker sand and 30-40% of high-bauxite clinker block, wherein the water-cement ratio of the low-calcium aluminate cement is 0.32-0.38. The high-temperature-resistant concrete is high in strength, resistant to high temperature and low in cost.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a high temperature resistant concrete. Background technique [0002] When the slag-iron trough of the blast furnace casting plant is working, there is flowing molten iron and slag inside, and the temperature is about 1300°C, which leads to a higher temperature of the surrounding concrete structure. service life and safety. In order to ensure safety and reliability, some designs use refractory materials in the floor structures on both sides of the slag-iron ditch, but the cost is high and the strength is not ideal. [0003] In order to overcome the above problems, the existing Chinese invention patent (CN104058658A) discloses a heat-resistant insulating concrete, which is made of the following raw materials in parts by weight: polyvinyl alcohol powder 5-7, dimethyl silicone oil 8-11, hard clay 16-20, high alumina bauxite 35-40, corundum powder 100-120, sodium carbonate 3-5, sod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/06
Inventor 方双夏振义文勇
Owner SHANGHAI BAOYE CONSTR INDAL FURNACE ENG TECH
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