Floating-bead containing ageing-resistant hollow brick and preparation technology thereof

A technology of hollow brick and bead resistance, which is applied in the field of hollow brick manufacturing, can solve the problems of short service life, low compressive strength, high energy consumption, etc., and achieve the effects of reducing production cost, strong aging resistance, and simplifying the preparation process

Inactive Publication Date: 2017-08-29
明光市泰丰新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current existing hollow bricks have the disadvantage of low compressive strength, so that the buildings made of hollow bricks have poor earthquake resistance, and there are certain hidden dangers of collapse. In addition, the existing hollow bricks have complicated production processes, high energy consumption, and are easy to age, resulting in Increased production costs and short service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An anti-aging hollow brick containing floating beads, the following raw materials are prepared: 80kg of composite Portland cement, 40kg of blast furnace slag, 20kg of purple sand shale, 10kg of floating beads, 10kg of modified quartz powder, 5kg of silicon carbide fiber, 2kg of calcium stearate, Anti-cracking agent 1kg, early strength agent 1kg, water reducing agent 1kg, water-repellent agent 1kg;

[0028] The preparation technology of described modified quartz powder comprises the following steps:

[0029] 1) Weigh the quartz powder and preheat and dry it in a drying oven at 85°C for 1 hour, add 25% ammonia solution accounting for 8% by mass of the quartz powder, stir at 65°C for 2 hours, filter out the quartz powder, and dry;

[0030] 2) Add 3% coupling agent by mass to the dried quartz powder, stir at 55° C. for 3 hours, and filter out the quartz powder;

[0031] 3) Finally, transport the filtered quartz powder into a vacuum drying oven, dry and heat at 90° C. for 2...

Embodiment 2

[0039] An anti-aging hollow brick containing floating beads, the following raw materials are prepared: 90kg of composite Portland cement, 45kg of blast furnace slag, 25kg of purple sand shale, 15kg of floating beads, 15kg of modified quartz powder, 10kg of silicon carbide fiber, 4kg of calcium stearate, Anti-cracking agent 1kg, early strength agent 1kg, water reducing agent 1kg, water-repellent agent 1kg;

[0040] The preparation technology of described modified quartz powder comprises the following steps:

[0041] 1) Weigh the quartz powder and preheat and dry it in a drying oven at 95°C for 1.2 hours, add 25% ammonia solution accounting for 9% by mass of the quartz powder, stir at 68°C for 2.2 hours, filter out the quartz powder, and dry;

[0042] 2) Add 3% coupling agent by mass to the dried quartz powder, stir at 58° C. for 3.2 hours, and filter out the quartz powder;

[0043] 3) Finally, transport the filtered quartz powder into a vacuum drying oven, dry and heat at 92° ...

Embodiment 3

[0051]An anti-aging hollow brick containing floating beads, the following raw materials are prepared: 100kg of composite Portland cement, 50kg of blast furnace slag, 30kg of purple sand shale, 20kg of floating beads, 20kg of modified quartz powder, 15kg of silicon carbide fiber, 6kg of calcium stearate, Anti-cracking agent 3kg, early strength agent 3kg, water reducing agent 2kg, water-repellent agent 2kg;

[0052] The preparation technology of described modified quartz powder comprises the following steps:

[0053] 1) Weigh the quartz powder and preheat and dry it in a drying oven at 120°C for 1.5 hours, add 25% ammonia solution accounting for 10% by mass of the quartz powder, stir at 70°C for 2.5 hours, filter out the quartz powder, and dry;

[0054] 2) Add 4% coupling agent by mass to the dried quartz powder, stir at 60° C. for 3.5 hours, and filter out the quartz powder;

[0055] 3) Finally, transport the filtered quartz powder into a vacuum drying oven, dry and heat at 95...

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Abstract

The invention discloses a floating-bead containing ageing-resistant hollow brick and a preparation technology thereof, and relates to the field of manufacturing of hollow bricks. The hollow brick comprises the following raw materials in parts by weight: 80-120 parts of composite portland cement, 40-70 parts of blast furnace slag, 20-40 parts of purple sand shale, 10-30 parts of floating beads, 10-30 parts of modified quartz powder, 5-25 parts of silicon carbide fibers, 2-10 parts of calcium stearate, 1-10 parts of an anti-cracking agent, 1-10 parts of an early strength agent, 1-5 parts of a water reducing agent, and 1-5 parts of a water-repelling agent. The preparation technology comprises the following steps: conveying the raw materials together to a mixer to perform uniform mixing with stirring; then conveying the obtained mixture to an ageing room to perform ageing; extruding the obtained materials into a mould to perform molding; and finally performing drying, solarization and curing to obtain the hollow brick. The preparation technology of the hollow brick provided by the invention is simple, and low in energy consumption. The hollow brick prepared by the preparation technology has high compressive strength, good ageing resistance and a long service life, so that buildings built with the hollow bricks have good earthquake resistance, and are green and environmentally friendly.

Description

technical field [0001] The invention relates to the field of hollow brick manufacturing, in particular to an anti-aging hollow brick containing floating beads and a preparation process thereof. Background technique [0002] With the rapid development of the national economy and the continuous improvement of people's living standards, the consumption of energy is also increasing, and the problem of energy shortage is becoming more and more prominent. Therefore, people pay more and more attention to energy-saving and environmentally friendly building materials. One of them is widely used. Usually, the lower hollow brick is made of clay, shale, etc. as the main raw materials, which are processed, shaped and sintered. The percentage of the total area of ​​holes in the hollow brick to the area of ​​the brick where it is located is called the porosity of the hollow brick, which should generally be above 40%. Compared with solid bricks, hollow bricks can save a lot of land, soil a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B38/00C04B20/02
CPCC04B28/04C04B20/023C04B2201/50C04B18/142C04B14/108C04B18/082C04B14/06C04B14/4693C04B24/085C04B24/383C04B2103/302C04B2103/12C04B2103/65C04B38/0067C04B40/0263
Inventor 纪其维
Owner 明光市泰丰新材料有限公司
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