Novel high strength refractory brick and production method thereof

A refractory brick, high-strength technology, applied in the field of refractory bricks, can solve the problems of thermal shock stability, linear change rate flexural strength, unsatisfactory heat resistance, low service life of cover plates, insufficient thermal shock stability, etc. Achieve the effects of easy control of shape and dimension accuracy, long service life, and easy organization of production

Inactive Publication Date: 2015-07-29
SHANGHAI HUALIN IND GASES
2 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Because the thermal shock stability, linear change rate, flexural strength, and heat resistance of the raw materials used in this product are not ideal, the service life of the cover plate ...
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Abstract

The invention relates to a novel high strength refractory brick and a production method thereof. The novel high strength refractory brick comprises, by weight, 50-70 parts of corundum, 20-40 parts of mullite, 1-10 parts of first grade clay, and 1-10 parts of an ultrafine powder binder, and also comprises arched CrNi steel fibers, and 100Kg of the CrNi steel fibers are added to 1m<3> of the refractory brick. Compared with refractory bricks in the prior art, the novel high strength refractory brick provided by the invention has the advantages of high refractoriness and high flexural strength.

Technology Topic

Flexural strengthFiber +6

Examples

  • Experimental program(5)

Example Embodiment

[0022] Example 1
[0023] (1), configure 10 tons of new high-strength refractory brick masterbatch
[0024] A. Weighing select corundum (alumina) 6 tons,
[0025] B, weighing 3 tons of mullite;
[0026] C. Weigh 0.5 tons of first-grade clay;
[0027] D. 0.5 tons of ultrafine powder binder,
[0028] E. Add bow CrNi steel fiber 365Kg
[0029] (2) After the above-mentioned raw materials are evenly stirred, they are put into the mould and shaken evenly;
[0030] (3) Natural conservation for more than 12 hours;
[0031] (4) heat treatment to 550℃ after demoulding;
[0032] (5) Inspection and packaging after natural cooling.

Example Embodiment

[0033] Example 2
[0034] (1), configure 25 tons of new high-strength refractory brick masterbatch
[0035] A. Weigh 15 tons of corundum (alumina),
[0036] B, weighing 7.5 tons of mullite;
[0037] C. Weigh 1.25 tons of first-grade clay;
[0038] D. 1.25 tons of ultrafine powder binder,
[0039] E. Add bow CrNi steel fiber 909.5Kg
[0040] (2) After the above-mentioned raw materials are evenly stirred, they are put into the mould and shaken evenly;
[0041] (3) Natural conservation for more than 12 hours;
[0042] (4) heat treatment to 550℃ after demoulding;
[0043] (5) Inspection and packaging after natural cooling.

Example Embodiment

[0044] Example 3
[0045] (1), configure 100 tons of new high-strength refractory brick masterbatch
[0046] A. Weigh 60 tons of corundum (alumina),
[0047] B, weighing 30 tons of mullite;
[0048] C. Weigh 5 tons of first-grade clay;
[0049] D. 5 tons of superfine powder binder,
[0050] E. Add bow CrNi steel fiber 3650Kg
[0051] (2) After the above-mentioned raw materials are evenly stirred, they are put into the mould and shaken evenly;
[0052] (3) Natural conservation for more than 12 hours;
[0053] (4) heat treatment to 550℃ after demoulding;
[0054] (5) Inspection and packaging after natural cooling.

PUM

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Description & Claims & Application Information

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