Concrete water-permeable brick using steel slag as aggregate

A technology of permeable bricks and concrete, applied in the field of building materials, can solve the problems of high energy consumption, waste of resources and environment, difficult and high value-added utilization, etc., and achieve the effect of low energy consumption and high pressure resistance

Inactive Publication Date: 2009-06-24
SUZHOU HUAJIA NEW BUILDING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the common pavement permeable bricks are roughly divided into sintered ceramic permeable bricks and cement permeable bricks. However, sintered ceramic permeable bricks have high cost and high energy consumption, and cannot be widely promoted at present, while cement permeable bricks either have low water permeability. Either the water permeability is good, but the compressive strength is not high. It is difficult to balance the performance of these two aspects. Steel slag is a kind of metallurgical solid waste that is currently difficult to use with high added value. At present, a large amount of waste slag produced by steelmaking in major iron and steel plants in my country cannot be disposed of. , long-term land occupation, waste of resources and cause certain environmental pollution

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] A concrete permeable brick using steel slag as aggregate, steel slag, cement, reinforcing agent, coloring powder, water as raw materials,

[0020] Made according to the following recipe.

[0021] Raw material specification dosage (kg)

[0022] Portland cement 52.5 conch 350

[0023] High quality inorganic pigment Bayer 0-10.5

[0024] Ethylene polymer polymer emulsion solid content 40% 1.75-21

[0025] Steel slag 1-3mm 150-300

[0026] Steel slag 5-8mm 1450-1600

[0027] Water Tap water 90~100

[0028] The method for producing steel slag concrete permeable bricks is carried out in the following steps:

[0029] material selection

[0030] Thermally purify and adjust the waste steel slag to reduce the content of free calcium oxide in the steel slag to less than 3%, and the crushing value is less than 5%. Then, the scrap steel slag is crushed and classified into two specifications of 1-3mm and 5-8mm for use ;

[0031] For cement, 52.5 low-alkali cement is used to ...

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Abstract

The invention discloses a concrete permeable brick of steel slag as aggregate, which comprises the following steps: allocating raw material with 70-85% steel slag with grinding value less than 5% and free calcium oxide less than 3%, 10-25% C52.5 low-alkaline cement, 0.5-6% reinforcer, 0-3% coloring powder and 3.5-5% water; blending raw materials in the mixer; distributing; molding; obtaining the product.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a permeable road brick formed by pressing waste steel slag and cement at normal temperature. Background technique [0002] At present, the common pavement permeable bricks are roughly divided into sintered ceramic permeable bricks and cement permeable bricks. However, sintered ceramic permeable bricks have high cost and high energy consumption, and cannot be widely promoted at present, while cement permeable bricks either have low water permeability. Either the water permeability is good, but the compressive strength is not high. It is difficult to balance the performance of these two aspects. Steel slag is a kind of metallurgical solid waste that is currently difficult to use with high added value. At present, a large amount of waste slag produced by steelmaking in major iron and steel plants in my country cannot be disposed of. , long-term land occupation, waste of resources and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/14
CPCC04B2111/00284C04B2111/00017C04B28/02Y02W30/91C04B16/0641C04B18/142C04B40/0028
Inventor 钱卫胜
Owner SUZHOU HUAJIA NEW BUILDING
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