A kind of preparation method of cement-based composite insulation board

A composite thermal insulation, cement-based technology, applied in the field of building materials, can solve problems such as poor mechanical properties and thermal insulation properties, and achieve the effects of improving mechanical properties, reducing pore channels, and improving thermal insulation.

Active Publication Date: 2021-03-19
陈昱见
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the present invention is: Aiming at the shortcomings of traditional cement-based thermal insulation boards with poor mechanical properties and thermal insulation performance, a preparation method for cement-based composite thermal insulation boards is provided

Method used

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  • A kind of preparation method of cement-based composite insulation board

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example 1

[0021]Put the rice husk into the steam explosion tank, and after maintaining the pressure for 30s, open the discharge valve of the steam explosion tank, so that the material in the steam explosion tank is instantly depressurized and sprayed into the receiving tank to obtain rice husk slag, and then the rice husk slag is Put sulfuric acid with a mass fraction of 98% in a No. 1 beaker at a mass ratio of 1:20, stir, mix and carbonize for 60 minutes at a speed of 500 r / min to obtain a No. 1 mixed solution, and then filter the No. 1 mixed solution to obtain No. 1 filter residue, then put the No. 1 filter residue in an oven, and dry it to a constant weight at a temperature of 110°C to obtain carbonized rice husk fibers; add chitosan and water into a single-necked flask at a mass ratio of 1:100 , after stirring and mixing with a glass rod for 30 minutes, let it stand for swelling for 4 hours, then move the single-necked flask into a digital speed measuring constant temperature magneti...

example 2

[0023] Add chitosan and water into a single-necked flask at a mass ratio of 1:100, stir and mix with a glass rod for 30 minutes, let it stand for swelling for 4 hours, and then move the single-necked flask into a digital speed measuring constant temperature magnetic stirrer at a temperature of 85°C and a speed of Under the condition of 500r / min, heat and stir to dissolve for 50min to obtain chitosan liquid; place diatomite in a ball mill for ball milling, pass through a 70-mesh sieve to obtain pretreated diatomite; mix pretreated diatomite with mass fraction Put 30% hydrochloric acid in a three-necked flask at a mass ratio of 1:20, stir and mix for 50 minutes at a rotating speed of 500r / min to obtain a mixed slurry, and then filter the mixed slurry to obtain diatomite for primary treatment. Diatomaceous earth and chitosan solution were placed in No. 2 beaker at a mass ratio of 1:20, and stirred and mixed for 50 minutes at a rotating speed of 500r / min to obtain No. 2 mixed solut...

example 3

[0025] Put the rice husk into the steam explosion tank, and after maintaining the pressure for 30s, open the discharge valve of the steam explosion tank, so that the material in the steam explosion tank is instantly depressurized and sprayed into the receiving tank to obtain rice husk slag, and then the rice husk slag is Put sulfuric acid with a mass fraction of 98% in a No. 1 beaker at a mass ratio of 1:20, stir, mix and carbonize for 60 minutes at a speed of 500 r / min to obtain a No. 1 mixed solution, and then filter the No. 1 mixed solution to obtain No. 1 filter residue, then put the No. 1 filter residue in an oven, and dry it to a constant weight at a temperature of 110°C to obtain carbonized rice husk fibers; add chitosan and water into a single-necked flask at a mass ratio of 1:100 , after stirring and mixing with a glass rod for 30 minutes, let it stand for swelling for 4 hours, then move the single-necked flask into a digital speed measuring constant temperature magnet...

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Abstract

The invention discloses a manufacture method of a cement-based composite heat-insulating board, and belongs to the technical field of building materials. The manufacture method includes subjecting thesurface of a foamed cement heat-insulating board core to spray finishing, roller painting and starching by polymer sizing, adhering alkali-resisting glass fiber gridding cloth to the board core, andscrapping and drying the board core; subjecting the foamed cement heat-insulating board core to spray finishing, roller painting and starching by the polymer sizing, adhering the alkali-resisting glass fiber gridding cloth to the board core, and scrapping and drying the board core; brushing the polymer sizing to upper and lower surfaces of the foamed cement heat-insulating board core with the alkali-resisting glass fiber gridding cloth through spray finishing, roller painting and starching, and performing drying and dehydration to acquire the cement-based composite heat-insulating board. The cement-based composite heat-insulating board prepared according to the manufacture method has the advantages of excellent mechanical property and heat insulation performance, thereby having wide prospect in technological industry development of the building materials.

Description

technical field [0001] The invention discloses a preparation method of a cement-based composite thermal insulation board, which belongs to the technical field of building materials. Background technique [0002] Cement-based composite material insulation board is mainly made of cement, ultra-light aggregate, mixed material, fiber and glass fiber mesh cloth, additives, and water. Made by cutting and other processes, it has the characteristics of good fire prevention and thermal insulation performance, high strength, low shrinkage rate, not easy to break, non-toxic and harmless, durable, etc. The utilization rate of solid waste is more than 30%. Cement-based composite material insulation board can be used as thermal insulation layer material or fire isolation belt of external wall insulation system, and can also be used as building roof insulation material, composite wall core material, composite thermal insulation block filling material, etc. Cement-based composite insulatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/08C04B28/00C04B28/04
CPCC04B28/00C04B28/04C04B2111/40C04B2201/32C04B2201/50C04B18/146C04B14/386C04B14/08C04B2103/302C04B24/42C04B38/08C04B24/38C04B24/04C04B14/042C04B14/06
Inventor 杨帮燕朱冬梅吴庆梅
Owner 陈昱见
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