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High temperature resistant consolidated material and its construction method

A technology for consolidating materials and construction methods, applied in chemical instruments and methods, liquid batching supply devices, clay preparation devices, etc., can solve the disadvantages of insufficient time, economy and effectiveness to ensure the safe use of ordinary concrete protective engineering structures, To solve problems such as heavy maintenance and repair work, it can improve the thermal shock resistance and erosion resistance, improve the bulk density and strength, and reduce the porosity.

Active Publication Date: 2022-03-15
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Consolidated material containers made of ordinary cement have poor high temperature resistance, brittleness and crack resistance, and poor blasting impact resistance when exposed to high temperatures (up to 1500 ° C). Bearing capacity, these shortcomings are not enough to guarantee the safe use time of ordinary concrete protective engineering structures, which may cause major safety accidents
At the same time, although its initial investment is low, the later maintenance and repair workload is heavy, and there are obvious disadvantages in economy and effectiveness during the service cycle

Method used

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  • High temperature resistant consolidated material and its construction method
  • High temperature resistant consolidated material and its construction method
  • High temperature resistant consolidated material and its construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0039] The gelling agent is A80 aluminate cement and A60 aluminate cement in a ratio of 1:1, A80 aluminate cement and A70 aluminate cement in a ratio of 1:1, A80 aluminate cement and A50 aluminate Salt cement is compounded at a ratio of 1:1.

[0040] Coarse aggregates are high alumina materials and secondary bauxite.

[0041]The fine aggregates are secondary bauxite, silicon carbide, and brown corundum, and they are all distributed in the five particle size ranges of 10-8mm, 8-5mm, 5-3mm, 3-1mm, and 1-0.1mm, and in The proportion of fine aggregate in the five particle size ranges to the total fine aggregate is the same.

[0042] The ultrafine powders are composites of activated alumina micropowders and silica micropowders, and the ratios of the two in Examples 1-3 are 1:1, 1.5:1 and 1:1.5, respectively.

[0043] The explosion-proof fibers are all polypropylene fibers, and in Examples 1-3, the length is 3 mm and the fineness is 40 μm.

[0044] The early strength agents are a...

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Abstract

The invention discloses a high temperature resistant consolidation material and a construction method thereof. Materials include gelling agent, coarse aggregate, fine aggregate, superfine powder, explosion-proof fiber, early strength agent, burning accelerator, air-entraining agent, and water reducing agent. The present invention designs and studies the components of the consolidation material, selects high-temperature-resistant aggregates, studies admixtures that affect material performance, and systematically studies and analyzes material performance to obtain high-temperature-resistant consolidation with excellent performance, energy saving and environmental protection, fast construction, high efficiency and long life. Material. The material has no loss of strength and bearing capacity under long-term flame jet and high temperature environment of 500-1500 °C, and has the material characteristics of high-temperature service and stronger as it is used. It belongs to the technical field of high-temperature resistant structural materials; Consolidated material containers made of Portland cement are poor in high temperature resistance, brittle and easy to crack, and poor in blasting impact resistance when exposed to high temperatures. When exposed to high temperature cracking or bursting, it is easy to cause component fracture damage or even loss of bearing capacity.

Description

technical field [0001] The invention relates to a high-temperature-resistant consolidation material and a construction method thereof, belonging to the technical field of high-temperature-resistant structural materials. Background technique [0002] High temperature resistant consolidated materials have been widely used in thermal equipment in industries such as metallurgy, chemical industry, petroleum, light industry and building materials, and structures subjected to high temperature for a long time, such as industrial chimneys or flue linings, industrial kiln refractory linings, High temperature boiler foundation and shell and high temperature flame impact area, etc. Consolidated material containers made of ordinary cement have poor high temperature resistance, brittleness and crack resistance, and poor blasting impact resistance when exposed to high temperatures (up to 1500 ° C). Bearing capacity, these shortcomings are not enough to guarantee the safe use time of ordin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06B28C5/00B28C7/12C04B111/28
CPCC04B28/06B28C5/00B28C7/12C04B2201/50C04B2111/28C04B14/303C04B14/324C04B16/0633C04B2103/10C04B22/04C04B22/082C04B2103/304C04B2103/302
Inventor 唐勋海薛乃彦韩宇栋高栋张剑徐自伟江山宋永胜陈夙
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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