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Novel green fireproof mortar and preparation method thereof

A refractory mortar and a new type of technology, applied in the field of materials, can solve the problems of poor economy, high energy consumption and high price, and achieve the effects of low price, lower energy consumption and lower price.

Inactive Publication Date: 2017-09-01
SANMING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the raw materials for the production of common refractory mortars in the market are expensive, economical and energy-intensive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Ratio by weight of each raw material: 25 parts of water glass (modulus 3.1, adding NaOH solution to adjust the modulus of water glass to 1.4 during application); 40 parts of lead-zinc-iron tailings slag, ground to 350-400 mesh, and passed through Calcining at 600°C~800°C to increase its activity; 25 parts of expanded vitrified microbeads; 10 parts of crystal nuclides. Fully stir the above raw materials at 60°C~80°C for 3~5min to obtain the required refractory mortar, the curing temperature is 65°C, the curing time is 1~3 hours, and the bulk density of the refractory mortar is 275kg / m 3 , dry density 300kg / m 3 , compressive strength 0.35MPa, thermal conductivity 0.06W / m·K, combustion performance grade A2.

Embodiment 2

[0021] The weight ratio of each raw material: 20 parts of water glass (modulus 3.1, adding NaOH solution to adjust the modulus of water glass to 1.4 during application); 40 parts of fly ash with a particle size of 37μm~43μm; Nuclide 8 parts. Fully stir the above raw materials at 60°C~80°C for 3~5min to obtain the required refractory mortar, the curing temperature is 70°C, the curing time is 1~3 hours, and the bulk density of the refractory mortar is 268kg / m 3 , dry density 293kg / m 3 , compressive strength 0.38MPa, thermal conductivity 0.06W / m·K, combustion performance grade A2.

Embodiment 3

[0023] The weight ratio of each raw material: 30 parts of water glass (modulus 3.1, adding NaOH solution to adjust the modulus of water glass to 1.4 during application); 30 parts of steel mill water slag ground to a particle size of 37μm~43μm; 35 parts of slag; 5 parts of crystal nuclides. Fully stir the above raw materials at 60°C~80°C for 3~5min to obtain the required refractory mortar, the curing temperature is 60°C~70°C, the curing time is 1~2 hours, and the bulk density of the refractory mortar is 270kg / m 3 , dry density 290kg / m 3 , compressive strength 0.42MPa, thermal conductivity 0.06W / m·K, combustion performance grade A2.

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Abstract

The invention relates to a novel green fireproof mortar and a preparation method thereof. The fireproof mortar is prepared from the following raw materials in parts by weight: water glass, a coagulating material, a fireproof material and crystal nuclein, wherein the coagulating material is lead and zinc iron tailing slag or coal ash or grain slag of steelworks; the fireproof material is one of fireclay, open-pored expanded perlite, closed-pored expanded perlite, expanded and vitrified small balls and slag. The novel green fireproof mortar adopts an appropriate industrial waste residue as a raw material, and the novel fireproof mortar is produced by adopting a reasonable technology, so that the novel green fireproof mortar has relatively high economical, social and environmental meanings.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a novel green refractory mortar and a preparation method thereof. Background technique [0002] At present, the common refractory mortars in the market have high raw material prices, poor economy and high energy consumption. Using suitable industrial waste residue as raw material and adopting a reasonable process to produce new refractory mortar can realize the resource utilization of solid waste and effectively reduce the engineering cost of refractory mortar. The refractory mortar can be used in building walls to effectively resist fire and protect the environment. Significantly improving the fire safety of buildings has strong economic, social and environmental significance. Contents of the invention [0003] The object of the present invention is to provide a new type of green refractory mortar and its preparation method. By using industrial waste residues as raw ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 张会芝刘纪峰崔秀琴
Owner SANMING UNIV
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