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Fiber-reinforced fly ash pressure plate and manufacturing method

A technology of fiber reinforcement and fly ash, which is applied in the field of building materials, can solve the problems of insufficient strength of calcium silicate board, easy deformation of the board, poor nail holding force, etc., and achieves great environmental protection and economic significance, good moisture resistance, and nail holding Lego effect

Inactive Publication Date: 2013-01-16
江苏康辉硅酸钙板有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The strength of the calcium silicate board is not enough, the nail holding force is poor, the water absorption rate is high, and the board is easy to deform

Method used

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  • Fiber-reinforced fly ash pressure plate and manufacturing method
  • Fiber-reinforced fly ash pressure plate and manufacturing method
  • Fiber-reinforced fly ash pressure plate and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: the formula of each component is: cement (common 32.5#) 271kg, accounting for 31.8%, asbestos 103kg, accounting for 12.1%, waste cement paper bag 52kg, accounting for 6.1%, fly ash 387kg, accounting for 45.4% %, expanded perlite 39kg, accounting for 4.6%; prepare raw materials according to the above-mentioned components and their mass percentages; pulp waste cement paper bags, add water to dilute, stir until the mass percentage concentration is 10%, sieve, add water to dilute, adjust to Use a slurry with a concentration of about 3%; loosen the asbestos, add water to dilute, stir, and loosen for 0.3h. The mass ratio of the added water to asbestos is 30:1, and then add the cement, fly ash, Expanded perlite and waste cement paper bag slurry are stirred and mixed to make a slurry; the slurry is passed through the headbox cloth to the wool cloth, vacuum dehydrated to a concentration of 70% by mass, and is pressed and formed by a roller stacked forming cylinder. ...

Embodiment 2

[0030] Embodiment 2, the formula of each component is: cement (common 32.5#) 310kg, accounting for 38.9%, asbestos 93kg, accounting for 11.7%, waste cement paper bag 47kg, accounting for 5.9%, fly ash 310kg, expanded perlite 35kg; Prepare raw materials according to the above components and their mass percentages; pulp waste cement paper bags, add water to dilute, stir until the mass percentage concentration is 11%, sieve, add water to dilute, and adjust to a slurry with a concentration of about 3%; The asbestos is loosened, diluted with water, stirred, and loosened for 0.3h. The mass ratio of the added water to asbestos is 35:1, and then the cement, fly ash, expanded perlite, and waste cement paper bag slurry are added, After stirring and mixing, the slurry is made; the slurry is passed through the headbox cloth to the wool cloth, vacuum dehydrated to a concentration of 72% by mass, and pressed by a roller stacked forming cylinder. The pressure of the forming cylinder is 2.5 MP...

Embodiment 3

[0031] Embodiment 3, the formula of each component is: cement (common 32.5#) 248kg, asbestos 78kg, waste cement paper bag 50kg, fly ash 271kg, expanded perlite 38kg; Prepare raw material according to above-mentioned component and mass percentage thereof; Pulping cement paper bags, adding water to dilute, stirring until the mass percentage concentration is 12%, sieving, adding water to dilute, and adjusting to a slurry with a concentration of about 3%; loosen the asbestos, add water to dilute, stir, and loosen 0.3% h, the mass ratio of the added water and asbestos is 40:1, then add the cement, fly ash, expanded perlite, waste cement paper bag slurry, stir and mix to make slurry; Pulp box cloth to felt cloth, vacuum dehydration to a mass percentage concentration of 75%, pressed by a roller laminated forming cylinder, the pressure of the forming cylinder is 3 MPa, and formed by longitudinal and transverse cutting to obtain a fiber-reinforced fly ash pressure plate slab ; Place th...

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Abstract

The invention relates to a fiber-reinforced fly ash pressure plate and its manufacturing method. Composed of cement, asbestos, waste cement paper bag, fly ash, and expanded perlite, the fly ash pressure plate is prepared by the processes of: pulping, releasing, beating, pulp storage, pulp discharge, pulp flow, vacuum pumping, molding, cold pressing pressurization, precuring, demoulding, autoclaving, drying, sanding, edging and chamfering. The invention provides the fiber-reinforced fly ash pressure plate with the advantages of rich raw material sources, low cost, environment friendliness, high density, great nail-holding power, good strength as well as good processability and its preparation method.

Description

technical field [0001] The invention relates to a building material, in particular to a calcium silicate board used for building inner and outer walls and a manufacturing method thereof. Background technique [0002] Fiber reinforced fly ash pressure plate is one of the wall materials in modern buildings made of siliceous materials, calcareous materials and fibers as the main raw materials. It has irreplaceable advantages of other wall panels. It is fire-proof, moisture-proof, subsidence-resistant, sound-insulating, heat-insulating, lightweight, dust-free, dimensionally stable, non-deformable, long-lasting, high-strength, superior in processing performance, easy to install and maintain, easy to get raw materials, and secondary use of some raw materials It is in line with the national policy of green environmental protection, energy saving and emission reduction, and low-carbon economy. [0003] The existing calcium silicate board uses silicon, calcium materials and reinfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/40C04B18/08
CPCY02W30/91
Inventor 葛秋军
Owner 江苏康辉硅酸钙板有限公司
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