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Baking-free brick made of paper mill sludge

A technology of unburned bricks in paper mills, which is applied in the field of unburned bricks made from sludge in paper mills, can solve the problems of land occupation and environmental damage, and achieve the effects of prolonging service life, enhancing bonding performance, and dense carbon layer structure

Inactive Publication Date: 2017-12-01
无为县严桥双龙建材厂(普通合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, unburned bricks use river sand or river sand as the main raw material, and then add a certain amount of auxiliary raw materials such as cement, waste cinder, aggregate, etc., and the cement can be used as a bonding material after hardening. There are a large number of bricks in my country every year. Paper mill sludge, which takes up a lot of land and causes great damage to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A non-burning brick made of paper mill sludge, the raw materials of which include by weight: 35 parts of paper mill sludge, 20 parts of cement, 18 parts of slaked lime, 10 parts of diatomite, 26 parts of coal gangue, and 20 parts of modified bamboo powder , 20 parts of foundation excavation soil, 5 parts of gum arabic, 4 parts of acrylic resin, 2.5 parts of sodium silicate, 1 part of curing agent, 1 part of water reducing agent, and 25 parts of water.

Embodiment 2

[0018] A non-fired brick made of paper mill sludge, the raw materials of which include by weight: 20 parts of paper mill sludge, 30 parts of cement, 5 parts of slaked lime, 16 parts of diatomite, 18 parts of coal gangue, and 28 parts of modified bamboo powder , 35 parts of foundation excavation soil, 2 parts of gum arabic, 8 parts of acrylic resin, 0.5 parts of sodium silicate, 2 parts of curing agent, 0.5 parts of water reducing agent, and 35 parts of water.

Embodiment 3

[0020] A kind of unfired brick made of paper mill sludge, its raw materials include by weight: 26 parts of paper mill sludge, 28 parts of cement, 10 parts of slaked lime, 14 parts of diatomite, 20 parts of coal gangue, and 24 parts of modified bamboo powder , 30 parts of foundation excavation soil, 3 parts of gum arabic, 7 parts of acrylic resin, 2 parts of sodium silicate, 1.6 parts of curing agent, 0.6 parts of water reducing agent, and 30 parts of water.

[0021] The curing agent comprises by weight: 5 parts of aluminum sulfate, 15 parts of magnesium oxide, 4 parts of alum, 6 parts of sodium phosphate, and 20 parts of vitriol.

[0022] The particle diameter of the foundation excavation soil is 0.6-1mm.

[0023] The modified bamboo powder is prepared by the following process: immerse 25 parts of bamboo powder in 60 parts of water by weight, let it stand for 3 hours, add 0.2 parts of copper sulfate and stir evenly, add 25 parts of hydrogen peroxide solution dropwise with a co...

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Abstract

The invention discloses a baking-free brick made of paper mill sludge. The baking-free brick comprises, by weight, 20-35 parts of paper mill sludge, 20-30 parts of cement, 5-18 parts of slaked lime, 10-16 parts of diatomaceous earth, 18-26 parts of coal gangue, 20-28 parts of modified bamboo powder, 20-35 parts of foundation dug soil, 2-5 parts of Arabic gum, 4-8 parts of acrylic resin, 0.5-2.5 parts of sodium silicate, 1-2 parts of curing agents, 0.5-1 part of water reducing agents and 25-35 parts of water. The baking-free brick has the advantages that the baking-free brick has uniform density and is good in antibacterial property, and various positions of the baking-free brick are uniform in pressure-resistant degree; the baking-free brick is environmentally friendly and is low in cost, waste can be turned into wealth, and accordingly natural resources can be saved.

Description

technical field [0001] The invention relates to the technical field of burn-free bricks, in particular to burn-free bricks made from paper mill sludge. Background technique [0002] Unburned bricks, also known as non-fired bricks, can avoid the serious waste of land resources and the emission of S0 during the preparation process of traditional fired bricks. 2 The problem of polluting the environment has been widely used in the construction field. In the existing technology, unburned bricks use river sand or river sand as the main raw material, and then add a certain amount of auxiliary raw materials such as cement, waste cinder, aggregate, etc., and the cement can be used as a bonding material after hardening. There are a large number of bricks in my country every year. Paper mill sludge occupies a large amount of land and causes great damage to the environment. The preparation of unburned bricks from paper mill sludge can not only reduce the burden on the environment, but ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10
CPCC04B28/10C04B18/0418C04B7/00C04B14/08C04B18/12C04B18/265C04B14/361C04B24/10C04B24/2641C04B12/04C04B2103/302C04B22/148C04B22/066C04B22/16C04B22/149
Inventor 缪碧波
Owner 无为县严桥双龙建材厂(普通合伙)
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