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Novel energy-saving and environment-friendly brick and preparation method thereof

An energy-saving, environmentally friendly and new technology, applied in the field of building materials, can solve the problems of raw material grading not meeting the requirements, insufficient raw material fineness, and low product strength, etc., and achieve the effect of low cost, simple method, and reduction of arbitrary emissions

Inactive Publication Date: 2018-07-20
HEFEI FANTENG ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of this brick not only requires a lot of arable land, but also releases a large amount of harmful gases during the firing process, such as carbon monoxide, carbon dioxide, hydrogen sulfide, etc., which pollute the environment and endanger human health.
Due to the single aggregate and insufficient fineness of raw materials in traditional river sand brick making, the gradation of raw materials cannot meet the requirements, resulting in low product strength and poor appearance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment relates to a new type of energy-saving and environmentally friendly brick, including the following raw materials in parts by weight: 30 parts of domestic sludge, 20 parts of shale, 18 parts of fly ash, 7 parts of quicklime, 10 parts of waste brick powder, 15 parts of ceramsite, 10 parts of attapulgite clay, 13 parts of cement, 5 parts of coal gangue, 3 parts of bauxite, 1 part of defoamer, 0.5 part of water reducing agent, 0.7 part of early strength agent, and 2 parts of biochar.

[0031] Wherein, the preparation method of described biochar comprises the following steps:

[0032] (1) Dry the cotton stalks, vegetable stalks, miscellaneous wood branches and melon seedlings until the water content is below 20%, then cut them into granular mixed straws;

[0033] (2) Put the mixed straw obtained in step (1) into a carbonization furnace, carbonize at 420°C for 2.5 hours, and then produce charcoal, and filter it with water to cool down to room temperature;

[...

Embodiment 2

[0046] This embodiment relates to a new type of energy-saving and environmentally friendly brick, including the following raw materials in parts by weight: 50 parts of domestic sludge, 30 parts of shale, 27 parts of fly ash, 15 parts of quicklime, 20 parts of waste brick powder, 25 parts of ceramsite, 20 parts of attapulgite clay, 22 parts of cement, 10 parts of coal gangue, 9 parts of bauxite, 2 parts of defoaming agent, 1 part of water reducing agent, 1.2 parts of early strength agent, and 5 parts of biochar.

[0047] Wherein, the preparation method of described biochar comprises the following steps:

[0048] (1) Dry cotton stalks, vegetable stalks, miscellaneous wood branches and melon seedlings until the water content is below 20%, then cut or pulverize them to form granulated mixed straws;

[0049] (2) Put the mixed straw obtained in step (1) into a carbonization furnace, carbonize at 480°C for 3.5 hours, and then produce charcoal, and filter it with water to cool down to...

Embodiment 3

[0062] This embodiment relates to a new type of energy-saving and environmentally friendly brick, including the following raw materials in parts by weight: 35 parts of domestic sludge, 22 parts of shale, 20 parts of fly ash, 9 parts of quicklime, 14 parts of waste brick powder, 17 parts of ceramsite, 12 parts of attapulgite clay, 15 parts of cement, 6 parts of coal gangue, 5 parts of bauxite, 1.1 parts of defoamer, 0.6 part of water reducing agent, 0.9 part of early strength agent, and 3 parts of biochar.

[0063] Wherein, the preparation method of described biochar comprises the following steps:

[0064] (1) Dry cotton stalks, vegetable stalks, miscellaneous wood branches and melon seedlings until the water content is below 20%, then cut or pulverize them to form granulated mixed straws;

[0065] (2) Put the mixed straw obtained in step (1) into a carbonization furnace, carbonize at 440°C for 2.8 hours, and then produce charcoal, and filter it with water to cool down to room ...

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Abstract

The invention discloses a novel energy-saving and environment-friendly brick. The novel energy-saving and environment-friendly brick is prepared from raw materials in parts by weight as follows: 30-50parts of domestic sludge, 20-30 parts of shale, 18-27 parts of fly ash, 7-15 parts of quick lime, 10-20 parts of waste brick powder, 15-25 parts of ceramsite, 10-20 parts of attapulgite clay, 13-22 parts of cement, 5-10 parts of coal gangue, 3-9 parts of bauxite, 1-2 parts of a defoaming agent, 0.5-1 part of a water reducing agent, 0.7-1.2 parts of an early strength agent and 2-5 parts of biochar. The preparation method of the novel energy-saving and environment-friendly brick is simple, cost is low, and a prepared product is high in compressive strength, good in fracture resistance, excellent in performance and suitable for various places.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a novel energy-saving and environment-friendly brick and a preparation method thereof. Background technique [0002] At present, the load-bearing bricks for construction are still mainly clay bricks, and its main component is clay, which is formed by billet making and roasting. The production of this brick not only requires a lot of arable land, but also releases a large amount of harmful gases during the firing process, such as carbon monoxide, carbon dioxide, hydrogen sulfide, etc., which pollute the environment and endanger human health. Due to the single aggregate and insufficient fineness of raw materials in traditional river sand brick making, the gradation of raw materials cannot meet the requirements, resulting in low product strength and poor appearance. Contents of the invention [0003] The present invention provides a new type of energy-savin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02
CPCC04B28/02C04B2111/00017C04B18/0418C04B14/108C04B18/08C04B22/064C04B18/16C04B18/023C04B14/102C04B18/12C04B14/303C04B24/18C04B24/42C04B2103/0068C04B14/022
Inventor 李丹丹
Owner HEFEI FANTENG ENVIRONMENTAL PROTECTION TECH CO LTD
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