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Cracking-resistant high-strength insulating brick

A high-strength, thermal insulation brick technology, applied in the field of thermal insulation bricks, can solve problems such as threats to people's property and life safety in surrounding areas, potential safety hazards in tailings ponds, cracking in building use, etc., to achieve high toughness, enhanced thermal insulation effect, and reduced density. Effect

Inactive Publication Date: 2018-10-16
安徽润晟建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many tailings ponds have been used for overdue periods or overloaded, or even operated in violation of regulations, which has caused great potential safety hazards in tailings ponds, posing a serious threat to people's property and life safety in surrounding areas
If the tailings are used to prepare insulation bricks, it will greatly save cost investment, but cracking problems may occur during construction use, causing safety hazards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An anti-cracking high-strength insulation brick, its raw materials include: Portland cement 60kg, rice husk compound 20kg, magnesite cement 30kg, cinder 10kg, sepiolite powder 4kg, microcrystalline cellulose 3kg, talcum powder 4kg, early strength 2kg of agent, 1kg of reinforcing agent, 150kg of water, 1kg of polystyrene foam particles, 2kg of gelatinous agent, and 0.2kg of liquid blowing agent.

[0016] The rice husk composite was prepared by the following process: add 10kg of rice husk to 80kg of potassium hydroxide solution with a concentration of 2mol / L, heat up to 55°C and stir for 3h, filter, vacuum dry at 102°C for 9h, add 2kg of graphene oxide and mix evenly, 880°C Carbonize at ℃ for 10 min, grind evenly, add 1.2 kg of glycerin, 1 kg of sodium polyacrylate, 60 kg of water and stir for 2 h, add 2 kg of 24 wt% hydroiodic acid and stir for 50 min, filter, wash, and dry to obtain a rice husk compound.

Embodiment 2

[0018] An anti-cracking high-strength insulation brick, its raw materials include: Portland cement 100kg, rice husk compound 10kg, magnesite cement 80kg, cinder 2kg, sepiolite powder 10kg, microcrystalline cellulose 1kg, talcum powder 9kg, early strength 1kg of agent, 2kg of strengthening agent, 50kg of water, 3kg of polystyrene foam particles, 1kg of gelatinous agent, and 1kg of liquid blowing agent.

[0019] The rice husk composite was prepared by the following process: add 8kg of rice husk to 90kg of potassium hydroxide solution with a concentration of 1.5mol / L, heat up to 59°C and stir for 1h, filter, vacuum dry at 112°C for 4h, add 5kg of graphene oxide and mix evenly. Carbonize at 800°C for 14 minutes, grind evenly, add 0.5 kg of glycerin, 2 kg of sodium polyacrylate, and 30 kg of water and stir for 6 hours, add 1 kg of 26 wt% hydroiodic acid and stir for 30 minutes, filter, wash, and dry to obtain a rice husk compound.

Embodiment 3

[0021] An anti-cracking high-strength insulation brick, its raw materials include: Portland cement 70kg, rice husk compound 18kg, magnesite cement 40kg, cinder 8kg, sepiolite powder 6kg, microcrystalline cellulose 2.5kg, talcum powder 6kg, early Strong agent 1.8kg, strengthening agent 1.3kg, water 120kg, polystyrene foam particles 1.5kg, colloid 1.8kg, liquid foaming agent 0.4kg.

[0022] The rice husk composite was prepared by the following process: add 9.5kg of rice husk to 82kg of potassium hydroxide solution with a concentration of 1.8mol / L, heat up to 56°C and stir for 2.5h, filter, vacuum dry at 104°C for 7h, add 3kg of graphene oxide and mix Evenly, carbonize at 860°C for 11 minutes, grind evenly, add 1kg glycerin, 1.2kg sodium polyacrylate, 60kg water and stir for 3 hours, add 1.8kg of 24.5wt% hydroiodic acid and stir for 45 minutes, filter, wash, and dry to obtain the rice husk composite.

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Abstract

The invention discloses a cracking-resistant high-strength insulating brick which comprises the following raw materials in parts by weight: 60-100 parts of Portland cement, 10-20 parts of rice husk complex, 30-80 parts of magnesia cement, 2-10 parts of coal cinder, 4-10 parts of sepiolite powder, 1-3 parts of microcrystalline cellulose, 4-9 parts of talcum powder, 1-2 parts of an early strength agent, 1-2 parts of an enhancer, 50-150 parts of water, 1-3 parts of polystyrene foam particles, 1-2 parts of a colloidal agent and 0.2-1 part of a liquid foaming agent. The rice husk complex is prepared according to the following process steps: adding rice husks into a potassium hydroxide solution, raising the temperature, stirring, filtering, performing vacuum drying, adding graphene oxide to be uniformly mixed, carbonizing, uniformly grinding, adding glycerin, sodium polyacrylate and water to stir, adding hydroiodic acid to stir, filtering, washing and drying, thereby obtaining the rice huskcomplex. The cracking-resistant high-strength insulating brick provided by the invention is extremely high in flexibility, difficult to crack, high in strength and excellent in thermal insulation effect.

Description

technical field [0001] The invention relates to the technical field of thermal insulation bricks, in particular to a crack-resistant high-strength thermal insulation brick. Background technique [0002] Insulation wall bricks are used to pile up walls, which has only started in recent years. The energy-saving and heat preservation measures adopted by existing energy-saving building walls are to use insulation bricks to pile up. [0003] 80% of my country's mineral resources are associated mines, a large amount of valuable resources are stored in tailings, and tailings stockpiles require a large amount of land. Many tailings ponds have been used beyond the time limit or overloaded, or even operated in violation of regulations, which has caused great safety hazards in the tailings ponds and posed a serious threat to the property and life safety of people in surrounding areas. If the tailings are used to prepare insulation bricks, the cost will be greatly saved, but cracking p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/30C04B111/34
CPCC04B28/30C04B2111/343C04B2201/32C04B2201/50C04B7/02C04B18/248C04B18/103C04B14/042C04B24/383C04B16/08C04B22/062C04B14/024C04B24/02C04B24/26C04B22/12C04B2103/12C04B2103/0068
Inventor 奚程翀
Owner 安徽润晟建设有限公司
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