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Sponge water-permeable brick and preparation method thereof

A technology of permeable bricks and sponges, which is applied to clay products, ceramic products, other household appliances, etc., can solve the problems of poor toughness of permeable bricks, and achieve the effects of high compressive strength, low cost, and improved water permeability.

Inactive Publication Date: 2019-11-15
安徽新宇环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a sponge permeable brick and its preparation method, which solves the problem of poor toughness of existing permeable bricks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides a sponge permeable brick, which is made of the following raw materials in parts by weight: 85 parts of sludge powder, 8 parts of modified polypropylene fiber, 4 parts of granite stone aggregate, 2 parts of expanded perlite, and 18 parts of bentonite 8 parts, 8 parts of fly ash, 8 parts of diatomaceous earth.

[0029] Wherein, described sludge powder is made by following preparation method:

[0030] (1) Put the sludge into the mixer, add wheat straw, the addition of wheat straw is 25% of the sludge weight, stir evenly to carry out oxidative fermentation, the mixed material after fermentation is dehydrated to 55%, and the sewage after fermentation is obtained. mud;

[0031] (2) Soak the sludge in a 5% sodium bicarbonate solution with a weight ratio of 1:3 for 4 hours, then add a water shaker to shake water;

[0032] (3) Put it in a vacuum drying oven after shaking off water, and dry it at 62°C and 0.015MPa for 11 hours to obtain a dry product; ...

Embodiment 2

[0043] This embodiment provides a sponge permeable brick, which is made of the following raw materials in parts by weight: 80 parts of sludge powder, 10 parts of modified polypropylene fiber, 3 parts of granite stone aggregate, 3 parts of expanded perlite, and 15 parts of bentonite 10 parts, 10 parts of fly ash, 5 parts of diatomaceous earth.

[0044] Wherein, described sludge powder is made by following preparation method:

[0045] (1) Put the sludge into the mixer, add wheat straw, the amount of wheat straw added is 20-30% of the sludge weight, stir evenly to carry out oxidative fermentation, and the fermented mixed material is dehydrated to 50%, and the fermented mixture is obtained. sludge;

[0046] (2) Soak the sludge in a 5% sodium bicarbonate solution with a weight ratio of 1:3 for 5 hours, then add a water shaker to shake water;

[0047] (3) Put it in a vacuum drying oven after shaking off the water, and dry it for 10 minutes at 60°C and 0.02MPa to obtain a dry produ...

Embodiment 3

[0058] This embodiment provides a sponge permeable brick, which is made of the following raw materials in parts by weight: 90 parts of sludge powder, 5 parts of modified polypropylene fiber, 5 parts of granite stone aggregate, 1 part of expanded perlite, and 20 parts of bentonite 5 parts, 5 parts of fly ash, 10 parts of diatomaceous earth.

[0059] Wherein, described sludge powder is made by following preparation method:

[0060] (1) Put the sludge into the mixer, add wheat straw, the amount of wheat straw added is 30% of the sludge weight, stir evenly to carry out oxidative fermentation, and the mixed material after fermentation is dehydrated to 50%, to obtain the sewage after fermentation mud;

[0061] (2) Soak the sludge in a 5% sodium bicarbonate solution with a weight ratio of 1:3 for 5 hours, then add a water shaker to shake water;

[0062] (3) Put it in a vacuum drying oven after shaking off the water, and dry it at 65°C and 0.01MPa for 12 hours to obtain a dry produc...

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Abstract

The invention discloses a sponge water-permeable brick and a preparation method thereof, and belongs to the technical field of a water-permeable brick. The sponge water-permeable brick is prepared from the following raw materials in parts by weight: 80 to 90 parts of sludge powder, 5 to 10 parts of modified polypropylene fiber, 3 to 5 parts of granite aggregate, 1 to 3 parts of expanded perlite, 15 to 20 parts of bentonite, 5 to 10 parts of coal ash and 5 to 10 parts of diatomite. The water-permeable brick prepared by the method has high compressive strength and high water permeability, has sound absorbing and noise reducing properties, accords with the industrial standard of Water-permeable Brick (CJ / T945-2005), is low in cost, can perform industrial production, responds to sponge city concept and can serve as an important building material in sponge city construction.

Description

technical field [0001] The invention relates to the technical field of permeable bricks, in particular to a sponge permeable brick and a preparation method thereof. Background technique [0002] In today's era of comprehensive construction and development of sponge cities, the problem of how to use natural precipitation to alleviate disasters such as drought and floods has become more prominent, so the development of permeable materials, especially permeable bricks, is particularly important. Most of the permeable bricks are made of industrial waste and have good physical properties. It is an indispensable part in the construction of sponge cities. [0003] The main raw materials of some permeable bricks currently on the market in my country are ceramics or ordinary permeable concrete. Ceramic permeable bricks need to use a large amount of kaolin resources. The mining of raw materials causes damage to the environment, while the production process of ceramic permeable bricks ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/13C04B33/135C04B38/00
CPCC04B33/1305C04B33/131C04B33/1321C04B33/1352C04B38/00C04B2235/3418C04B2235/3427C04B2235/6562C04B2235/6567Y02P40/60
Inventor 周洁茹周善武张艳张友德张军郝宗云
Owner 安徽新宇环保科技股份有限公司
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