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CN105060778A - Coal gangue sintered brick and

The present invention discloses a coal gangue sintered brick. The coal gangue sintered brick consists of the following components in proportion by weight: 70-75% of coal gangue; 10-15% of emulsion waste oil; 2-5% of silica fume or cement; and 10-13% of water. The present invention further discloses a method for preparing the coal gangue sintered brick.

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Preparation and Properties of Sintered Brick Based on Coal

2014-3-1  With the ratio of coal gangue and fly ash decreased and sintering temperature increased, the compressive strength and linear shrinkage of sintered brick increased. For ratio of coal gangue and fly ...

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Utilization of coal gangue for the production of brick

2016-6-8  Coal gangue, an industrial solid waste discarded from coal mining and processing, was used as the sole raw material to prepare brick. The coal gangue was crushed, homogenized, milled and then pressed into green compacts. The dried compacts were sintered at different temperatures for 2 h. The obtained brick samples were characterized with X-ray diffraction,

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Utilization of coal gangue for the production of brick

2016-6-8  The brick sintered at 1200 °C possesses the optimal properties, with the water absorption and compressive strength values of 3.65 % and 45.61 MPa, respectively. The radioactivity index and leaching...

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CN104310944A - Coal gangue sintered hollow brick

The invention discloses a coal gangue sintered hollow brick. The coal gangue sintered hollow brick is prepared from the following raw materials in parts by weight: 50-60 parts of coal gangue, 4-6 parts of bauxite, 20-35 parts of river slit, 10-20 parts of purple sand shale and 10-12 parts of water and is prepared by the following steps: crushing the raw materials, sealing, ageing,

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CN101234885A - Coal gangue sintering porous decorative

The gangue sintered porous ornamental tile prepared by the invention has wide material source, lightweight and high-strength product, diversified and elegant exterior color which can be directly used for bricklaying of the building exterior wall; the product can meet the requirements of high-grade and personalized buildings; the raw materials ...

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CN101234885B - Coal gangue sintering porous decorative

The gangue sintered porous ornamental tile prepared by the invention has wide material source, lightweight and high-strength product, diversified and elegant exterior color which can be directly used for bricklaying of the building exterior wall; the product can meet the requirements of high-grade and personalized buildings; the raw materials ...

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CN112808355A - Coal gangue brick sintering

The invention discloses a coal gangue brick pre-sintering treatment device, which relates to the technical field of coal gangue brick pre-treatment and comprises a crushing box body and a crushing mechanism, wherein four corner positions at the bottom end of the crushing box body are respectively and vertically provided with a supporting leg, the inside of the crushing box

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Experimental study on insulation brick for coal gangue ...

Abstract: The fired insulation brick is made of coal gangue,fly ash,bentonite and the effects of sintering curve,particle-size of coal gangue,dosage of coal gangue,firing temperature and brick forming pressure on the performance of insulating brick are discussed.

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Study on Solidification/Sintering Brick Making with EMD

2012-8-22  In book: EPD Congress 2011 (pp.1091-1097) Authors:

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CN210802017U - Coal gangue hollow brick sintering kiln

The utility model discloses a gangue hollow brick sintering kiln, its characterized in that: the sintering kiln is hollow rectangle box structure, the front end of sintering kiln is equipped with the picture peg door, the picture peg door inserts in the draw-in groove along vertical direction, the both sides at sintering kiln front end are fixed to the draw-in groove symmetry, top, both sides ...

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sintering coal gangue brick censorship - hotelkottaram

CN102515685A - Coal gangue building thermal . The invention discloses a coal gangue building thermal insulation exterior wall brick, which is prepared by the following raw materials, by weight, 50-70% of coal gangue, 3-12% of a plasticizing agent, 3-12% of a binder, 10-30% of a vitrifying agent, 2-5% of a foaming ...

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Utilization of coal gangue for the production of brick

Coal gangue, an industrial solid waste discarded from coal mining and processing, was used as the sole raw material to prepare brick. The coal gangue was crushed, homogenized, milled and then pressed into green compacts. The dried compacts were sintered at different temperatures for 2 h. The obtained brick samples were characterized with X-ray diffraction, scanning electron

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Coal gangue sintering porous decorative brick

CN-101234885-B chemical patent summary.

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Influencing factors of strength of bricks sintered with coal

The quality control range of coal-gangue sintering brick with coal gangue,desert sand,and clay as its raw materials was proposed through analyzing the influencing factors of its strength,providing a reference for its application in wall materials.The strength test for the brick sample with various mixture ratio of raw materials and under different testing condition was carried out on universal ...

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thailand coal gangue sintered thermal insulation brick

Glassceramics fabried by efficiently utilizing coal . 202184 sintering Using coal gangue of 75 and coal gangue to clay ratio of 3/1 made the mechanical properties optimal The sintering temperature of 1370 °C was found to be optimal because mullite and spinel become the main crystal phase and thereby realizing high strength low water absorbance and low density for the sintered

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Experimental study on insulation brick for coal gangue ...

Abstract: The fired insulation brick is made of coal gangue,fly ash,bentonite and the effects of sintering curve,particle-size of coal gangue,dosage of coal gangue,firing temperature and brick forming pressure on the performance of insulating brick are discussed.

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Preparation and characterization of permeable bricks from

2017-9-1  In this study, the gangue and tailings were mixed in different proportions and added about 10 wt% water to increase the forming property.Here, the proportions of the raw materials were shown in Table 2.The homogenized mixtures then were pressed into a brick (100 mm × 200 mm × 50 mm) under a pressure of 2 MPa.Afterwards, the obtained green bricks were

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Study on Solidification/Sintering Brick Making with EMD

2012-8-22  In book: EPD Congress 2011 (pp.1091-1097) Authors:

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Comprehensive utilization and environmental risks of coal

2019-12-1  Coal gangue is a mixture of a variety of rock and mineral composition with low carbon content. Normally, its calorific value increases with the increase of carbon mass fraction and volatiles, in contrast, decreases with the increase of ash. Because of the high content of SiO 2 and Al 2 O 3, the ash melting point of coal gangue is quite high ...

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Utilization of coal gangue for the production of brick

Coal gangue, an industrial solid waste discarded from coal mining and processing, was used as the sole raw material to prepare brick. The coal gangue was crushed, homogenized, milled and then pressed into green compacts. The dried compacts were sintered at different temperatures for 2 h. The obtained brick samples were characterized with X-ray diffraction, scanning electron

Inquire now

sintering coal gangue brick censorship - hotelkottaram

CN102515685A - Coal gangue building thermal . The invention discloses a coal gangue building thermal insulation exterior wall brick, which is prepared by the following raw materials, by weight, 50-70% of coal gangue, 3-12% of a plasticizing agent, 3-12% of a binder, 10-30% of a vitrifying agent, 2-5% of a foaming ...

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Influencing factors of strength of bricks sintered with coal

The quality control range of coal-gangue sintering brick with coal gangue,desert sand,and clay as its raw materials was proposed through analyzing the influencing factors of its strength,providing a reference for its application in wall materials.The strength test for the brick sample with various mixture ratio of raw materials and under different testing condition was carried out on universal ...

Inquire now

thailand coal gangue sintered thermal insulation brick

Glassceramics fabried by efficiently utilizing coal . 202184 sintering Using coal gangue of 75 and coal gangue to clay ratio of 3/1 made the mechanical properties optimal The sintering temperature of 1370 °C was found to be optimal because mullite and spinel become the main crystal phase and thereby realizing high strength low water absorbance and low density for the sintered

Inquire now

Study on Solidification/Sintering Brick Making with EMD

2012-8-22  In book: EPD Congress 2011 (pp.1091-1097) Authors:

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Utilization of coal gangue and copper tailings as clay for

2011-12-20  In order to avoid environmental pollution from Coal gangue (CG) and copper tailings (CT), the utilization as cement clinker calcinations was experimentally investigated. Low-calcium limestone was also selected as another raw material. The clinker component and microstructure were analyzed by XRD and SEM. The experimental results showed that qualified cement

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Windy: Application of Impact Crusher in Coal Gangue Brick

2012-9-1  They can be used mainly for crushing limestone, coal gangue, coal, shale, gypsum and so on. The hammer crusher is composed of rotor, hammer, grate plate, liner and box. The hammer head hangs on the hammer shelve of the rotor, which reles on the high-speed rotation of the rotor to drive the high-speed operation of the hammer head.

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Process comparison between fired clay brick and fired

2021-6-24  They are made of natural clay, quartz, feldspar and other aggregates. The performance of clay brick belongs to low temperature brick. The sintering temperature is about 800 ℃ and the water absorption is high. Generally, the water absorption is 8% - 10%.

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Coal Grinding Mill Plant Manufacturers - takeaction

2020-2-24  The coal gangue enters the Coal Grinding Mill Plant for ultra-fine grinding after it is first broken by the crusher. As the material for sintering porous brick, manufacturing cement and block, the application space of the coal gangue powder is very large. 1. With the help of simple technology, coal and pyrite can be recovered from coal gangue ...

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coal gangue bricks technology africa - chatazbojcow

Abstract The numerical simulation model of coal gangue tunnel kiln system in one coal mine was established to study the waste heat recovery. The gas flow and heat transfer in the coal gangue tunnel kiln was studied. The temperature distribution in the coal cangue tunnel kiln was analyzed. Get Price; Study on Sintering Perforated Technology Using

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