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Preparation method of wear-resistant red bricks
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A technology of red bricks and prefabricated materials, which is applied in the field of red bricks, can solve the problems of low compressive strength and wear resistance of red bricks, and does not meet the requirements, and achieve good dispersion, excellent wear resistance and pressure resistance, Highly stable effect
Inactive Publication Date: 2017-12-01
望江县太慈新型建材有限公司
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Problems solved by technology
Many cities or villages are under construction, so the demand for red bricks is gradually increasing. At present, the general red bricks are only made of clay, basaltpowder, fly ash, etc., and the clay contains iron. When fully oxidized in the process, the ferricoxide produced is red, which is the most commonly used red brick. However, in the market, the compressive strength and wear resistance of red bricks are not high, which does not meet the needs of the market.
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Embodiment 1
[0015] A method for preparing wear-resistant red bricks, comprising the steps of:
[0016] S1. Stir the clay and water, add isopropyltris(dioctyl pyrophosphate acyloxy) titanate, absolute ethanol, citric acid, heat up and stir, heat up and reflux to stir, filter, wash, dry, and pulverize to obtain prefabricated material;
[0017] S2. Mix the prefabricated material, fly ash and basalt powder evenly, press the adobe, dry, and sinter to obtain a wear-resistant red brick.
Embodiment 2
[0019] A method for preparing wear-resistant red bricks, comprising the steps of:
[0020] S1, stir 80 parts of clay and 320 parts of water by weight for 50 minutes, add 8 parts of isopropyltris (dioctyl pyrophosphate acyloxy) titanate, 40 parts of absolute ethanol, 8 parts of citric acid, and heat up to Stir at 75°C for 100 minutes, heat up to 110°C and reflux for 9 hours, filter, wash the filter cake with toluene and water in sequence, dry at 80°C for 16 hours, and pulverize to obtain a preform;
[0021] S2. Mix 100 parts of prefabricated materials, 30 parts of fly ash, and 8 parts of basalt powder in parts by weight, press the adobe with a pressing pressure of 580kN, dry at 110°C for 18h, and sinter at 1200°C for 50h to obtain wear-resistant red bricks.
Embodiment 3
[0023] A method for preparing wear-resistant red bricks, comprising the steps of:
[0024] S1. Stir 100 parts of clay and 260 parts of water by weight for 70 minutes, add 4 parts of isopropyl tris (dioctyl pyrophosphate acyloxy) titanate, 60 parts of absolute ethanol, 2 parts of citric acid, and heat up to Stir at 85°C for 60 minutes, heat up to 115°C and reflux for 7 hours, filter, wash the filter cake with toluene and water in sequence, dry at 90°C for 10 hours, and pulverize to obtain a preform;
[0025] S2. Mix 120 parts of prefabricated materials, 20 parts of fly ash, and 16 parts of basalt powder in parts by weight, press the adobe with a pressing pressure of 500kN, dry at 130°C for 6 hours, and sinter at 1300°C for 30 hours to obtain wear-resistant red bricks.
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Abstract
The invention discloses a preparation method of wear-resistant red bricks. The preparation method comprises steps as follows: clay and water are stirred, isopropyl tri(dioctylpyrophosphate) titanate, absolute ethyl alcohol and citric acid are added, the mixture is heated, stirred, then subjected to heating refluxing, stirred, filtered, washed, dried and smashed, and a prefabricated material is obtained; the prefabricated material, fly ash and greystone powder are mixed uniformly and pressed into brick bodies, the brick bodies are dried and sintered, and the wear-resistant red bricks are obtained. By means of the proposed preparation method of the wear-resistant red bricks, the red bricks have excellent wear resistance and pressure resistance and have the normal-temperature compressive strength being 112 MPa, the volume density as low as 2.66 g / cm<3> and the wearing coefficient reaching 8.3 cc.
Description
technical field [0001] The invention relates to the technical field of red bricks, in particular to a preparation method of wear-resistant red bricks. Background technique [0002] With the acceleration of urbanization in our country, the government has invested a lot of money to strengthen the country's infrastructure. Many cities or villages are under construction, so the demand for red bricks is gradually increasing. At present, the general red bricks are only made of clay, basaltpowder, fly ash, etc., and the clay contains iron. When fully oxidized in the process, the ferricoxide produced is red, which is the most commonly used red brick. However, in the market, the compressive strength and wear resistance of red bricks are not high, which does not meet the needs of the market. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a preparation method for wear-resistant red bricks. Th...
Claims
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