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A permeable brick made of ceramsite

A technology of permeable bricks and ceramsite, which is applied in the field of building materials to achieve good water permeability, good water retention rate, and simple preparation methods

Active Publication Date: 2022-07-19
柳晶(溧阳)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] At present, the treatment of foundry dust in China is still in its infancy, and most of the foundry dust is still landfilled as solid waste

Method used

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  • A permeable brick made of ceramsite

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A permeable brick prepared by ceramsite, the preparation method is as follows:

[0032] 1. Preparation of ceramsite:

[0033] After mixing 65 parts of foundry dust, 15 parts of Portland cement, 5 parts of calcium oxide, 1 part of naphthalene sulfonate formaldehyde polymer, and 2 parts of inorganic aluminum salt, put it into a disc granulator, and add ceramsite. 5% water of the total weight of the raw materials is granulated to obtain pellets with a particle size of about 5 mm; the pellets are watered and maintained for 3 days under the condition of greater than 25° C. to obtain ceramsite.

[0034] 2. Preparation of permeable bricks

[0035] (1) Mixing: Mix 40 parts of ceramsite, 15 parts of crushed stone, 10 parts of silica sand, 10 parts of Portland cement, 0.15 part of lignosulfonate, and the mass of added water accounts for 10% of the total weight of the mixture to obtain Mixture;

[0036] (2) Brick making: pour the mixture into the brick mold and vibrate and extr...

Embodiment 2

[0039] A permeable brick prepared by ceramsite, the preparation method is as follows:

[0040] 1. Preparation of ceramsite:

[0041] After mixing 73 parts of foundry dust, 20 parts of Portland cement, 9 parts of calcium chloride, 1 part of polycarboxylate, and 1.5 parts of inorganic aluminum salt, put it into a disc granulator, and add the total amount of ceramsite raw materials. 12% by weight of water is used for granulation to obtain pellets with a particle size of about 7 mm; the pellets are watered and maintained for 3 days under the condition of greater than 25° C. to obtain ceramsite.

[0042] 2. Preparation of permeable bricks

[0043] (1) Mixing: Mix 50 parts of ceramsite, 25 parts of crushed stone, 10 parts of silica sand, 15 parts of Portland cement, 0.20 part of polycarboxylate, and the mass of water added accounts for 15% of the total weight of the mixture, and the mixture is obtained. material;

[0044] (2) Brick making: pour the mixture into the brick mold and...

Embodiment 3

[0047] A permeable brick prepared by ceramsite, the preparation method is as follows:

[0048] 1. Preparation of ceramsite:

[0049] After mixing 78 parts of foundry dust, 26 parts of Portland cement, 13 parts of desulfurization gypsum, 1.1 parts of naphthalene sulfonate formaldehyde polymer, and 1 part of inorganic aluminum salt, put it into a disc granulator, add ceramsite 10% of the total weight of the raw material is granulated with water to obtain pellets with a particle size of about 9 mm; the pellets are watered and maintained for 4 days at a temperature greater than 25° C. to obtain ceramsite.

[0050] 2. Preparation of permeable bricks

[0051] (1) Mixing: Mix 55 parts of ceramsite, 15 parts of crushed stone, 15 parts of silica sand, 20 parts of Portland cement, 0.15 part of melamine water-reducing agent, and the mass of added water accounts for 16% of the total weight of the mixture. get the mixture;

[0052] (2) Brick making: pour the mixture into the brick mold ...

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Abstract

The invention relates to the technical field of building materials, in particular to a permeable brick prepared from ceramsite. A permeable brick prepared by ceramsite, the permeable brick is integrally formed and prepared from the following raw materials in parts by weight: 40-60 parts of ceramsite, 15-25 parts of gravel, 10-15 parts of silica sand, silicate 10-25 parts of cement and 0.15-0.25 parts of water reducing agent; the ceramsite is prepared from foundry dust, Portland cement, pelletizing agent, water reducing agent and waterproofing agent. The permeable brick of the present invention uses ceramsite as the raw material, so that the permeable brick has better water permeability and water retention rate, and is used in combination with crushed stone, water reducing agent, waterproofing agent, etc., so as to ensure the strength of the permeable brick, and its resistance to The compressive strength is 30-35MPa, which meets the compressive strength requirements in conventional application environments and has a wide range of applications.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a permeable brick prepared from ceramsite. Background technique [0002] In order to avoid urban waterlogging, permeable bricks are widely used in urban road reconstruction. Common permeable bricks on the market are made of crushed stone and concrete. In addition, there are many materials for permeable bricks, which can be divided into: polymer fiber concrete permeable bricks, colored stone composite concrete permeable bricks, colored stone epoxy permeable bricks and concrete permeable bricks. The above permeable bricks have some defects more or less. Color stone epoxy permeable brick needs to be glued with imported modified epoxy resin, and the production cost is relatively high, so it cannot be mass-produced and popularized. The colored stone composite concrete permeable brick is divided into a surface material layer and a base material layer. The pressing process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B38/00C04B18/02C04B18/14
CPCC04B28/04C04B18/021C04B18/149C04B2111/00508C04B2201/50C04B14/02C04B14/06C04B2103/302C04B38/0041C04B22/064C04B24/226C04B2103/65C04B22/124C04B24/24C04B22/145Y02W30/91
Inventor 吴武灿任文强胡胜利王古月
Owner 柳晶(溧阳)环保科技有限公司
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