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Non-granular environment-friendly brick and preparation method thereof

An environmentally friendly brick and particle-free technology, applied in the field of environmentally friendly materials, can solve problems such as poor heat resistance, and achieve the effect of improving heat resistance and excellent heat resistance

Pending Publication Date: 2020-10-30
安徽省希泰环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The heat resistance of environmental protection bricks in the prior art is poor, so it is urgent to develop a kind of non-granular environmental protection bricks to solve the problems in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A non-granular environment-friendly brick, the raw materials of which include by weight: 65 parts of quartz sand mud, 23 parts of construction solid waste crushed stones and gravel, 12 parts of 425# ordinary Portland cement, 2 parts of liquid external admixture, 2 parts water.

[0020] The liquid external admixture is prepared according to the following process: 6 parts by weight of magnesium hydroxide and 4.5 parts of nano-montmorillonite are dried at 110°C for 4 hours, ground into a 25-mesh powder, then 15 parts of distilled water are added to mix evenly, and the temperature is raised to 45°C, keep warm for 10min, then add 3 parts of silane coupling agent KH-570 and mix evenly, stir at 4000r / min for 1h, suction filter after emulsification, dry at 115°C for 3h, grind and sieve to obtain material a; 3.5 parts of carboxylated carbon nanotubes, 3.5 parts of calcium sulfate whiskers and 3 parts of zinc stearate were put into a calciner and calcined at 870°C for 3.5 hours, ...

Embodiment 2

[0023] A kind of non-granular environmental protection brick, its raw material comprises by weight: 60 parts of quartz sand mud, 25 parts of construction solid waste crushed stones and crushed stones, 10 parts of 425# ordinary portland cement, 3 parts of liquid external admixture, 1 part water.

[0024] The liquid external admixture is prepared according to the following process: 4 parts by weight of magnesium hydroxide and 6 parts of nano-montmorillonite are dried at 100°C for 6 hours, ground into a 20-mesh powder, then 20 parts of distilled water are added to mix evenly, and the temperature is raised To 40°C, keep warm for 15min, then add 1 part of silane coupling agent KH-570 and mix evenly, stir at -4500r / min for 0.5h, emulsify, filter with suction, dry at 120°C for 2h, grind and sieve to obtain material a; Put 6 parts of carboxylated carbon nanotubes, 2 parts of calcium sulfate whiskers and 5 parts of zinc stearate into a calciner for calcination at 820°C for 5 hours, coo...

Embodiment 3

[0027] A kind of non-granular environment-friendly brick, its raw material includes by weight: 70 parts of quartz sand mud, 21 parts of construction solid waste crushed stones and gravel, 14 parts of 425# ordinary portland cement, 1 part of liquid external admixture, 3 parts of water.

[0028] The liquid external admixture is prepared according to the following process: 8 parts by weight of magnesium hydroxide and 3 parts of nano-montmorillonite are dried at 120°C for 2 hours, ground into a 30-mesh powder, and then 10 parts of distilled water are added to mix evenly, and the temperature is raised to 50°C, keep warm for 5min, then add 5 parts of silane coupling agent KH-570 and mix evenly, stir at 3500r / min for 1.5h, emulsify, filter with suction, dry at 110°C for 4h, grind and sieve to obtain material a; 3 parts of carboxylated carbon nanotubes, 5 parts of calcium sulfate whiskers and 1 part of zinc stearate were put into a calciner and calcined at 920°C for 2 hours, cooled, a...

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Abstract

The non-granular environment-friendly brick is prepared from the following raw materials in parts by weight: 60 to 70 parts of quartz sand mud, 21 to 25 parts of building solid waste broken stones andgravels, 10 to 14 parts of 425 # ordinary Portland cement, 1 to 3 parts of a liquid admixture and 1 to 3 parts of water. The invention further provides a preparation method of the non-granular environment-friendly brick. In the invention, the quartz sand mud has fine characteristics, is easy to harden and is easy to disperse and decompose when meeting water, so that the quartz sand mud should beobserved and fully stirred and ground into powder in the stirring process, gravels and cement are added in proportion and stirred, and then the liquid admixture is added and stirred to be pressed. Andthe molded product has no obvious cracks on the surface, has a compact structure and is non-granular in shape, and the appearance conforms to the production standard. And the compression resistance is 21.6 MP.

Description

technical field [0001] The invention belongs to the technical field of environmental protection materials, and in particular relates to a non-granular environmental protection brick and a preparation method thereof. Background technique [0002] Manufactured by using fly ash, coal slag, coal gangue, tailings slag, chemical slag or natural sand, sea mud, industrial waste, waste incineration slag, etc. (one or more of the above raw materials) as the main raw materials without high-temperature calcination A new type of wall material is called environmental protection brick. [0003] The heat resistance of the environmental protection brick in the prior art is poor, so there is an urgent need to develop a non-granular environmental protection brick to solve the problems in the prior art. Contents of the invention [0004] The purpose of the present invention is to provide a non-granular environment-friendly brick and a preparation method thereof. [0005] In order to solve t...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B24/42C04B111/28
CPCC04B28/04C04B40/0046C04B2111/28C04B14/06C04B18/16C04B14/02C04B14/104C04B20/008C04B14/36C04B24/42C04B14/026C04B14/383C04B24/045C04B24/40C04B22/06C04B40/024
Inventor 王炜
Owner 安徽省希泰环保科技有限公司
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