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Silica Mullite Brick

Silica mullite brick has excellent properties and can replace the spinel bricks in the transition zone of cement rotary kiln, also can work in lime kiln.

Other name: High alumina SiC brick, Special high alumina brick

Model Number: HCR-I, HCR-1450, HCR-1550, HCR-1650, HCR-1680, SiC wear-resisting brick

Certification: ISO+9001-14001

Minimum Order Quantity: 5MT


Silica Mullite Red Brick

Introduction:

Silica Mullite Red brick is designed to be used as a transition zone for lage cement rotary kiln. In order to develop its refractoriness under load, thermal shock resistance and cold crushing strength, white corundum and andalusite are added on the basis of common silica mullite brick. Its service life time is longer than other products when used for 3000-10000t/d rotary kiln. Spinel brick could be replaced by silica mullite red brick in the same invironment.

Advantages:

1. High refractoriness under load and excellent high temperature resistance;

2. High strength, abrasion resistance, and peel off and erosion resistance;

3. Low thermal conductivity and good heat insulation effect;

4. Strong thermal shock resistance;

5. Moderate density, reduce load of the kiln cylinder.

Application:

Transition zone and cooling zone of the rotary kiln.


Silica Mullite Brick

Introduction:

Silica mullite brick is made by adding grinding aid and zirconium sand on the basis of high quality mullite and silicon carbide.

Advantages:

Excellent erosion and wear resistance, Excellent resistance to peeling and alkali erosion, Excellent cost performance

Application:

Pre-heating zone and decomposition zone of cement NSP kiln, high wear parts of the great cooler, other strong wind erosion area, lime kiln


SiC wear-resistant brick

Introduction:

SiC wear-resistant brick is made of advanced grade high alumina bauxite clinker and silicon carbide, by high pressure molding and high temperture sintering.

Advantages:

Excellent resistance to peeling and wear, Excellent cold crushing strength and thermal stability

Application:                   

Transition zone, cooling zone, outlet and inlet of the cement rotary kiln


Masonry specifications and equipment operation specifications for silica mullite products

The performance characteristics of the Silica-mullite series products determine its dominant position in the cement rotary kiln lining brick market. Under the premise of normal equipment and operating specifications, the standard masonry method is the main factor to extend the service life of kiln lining.

The Silica mullite series products are superior to other products in terms of strength and thermal shock resistance. But, the enormous stress generated by the cement rotary kiln during start-stop can easily cut the product or cause the product to burst. Therefore, the start and stop operation of the kiln must be slow. Especially in the event of a sudden power outage or unexpected failure requiring immediate shutdown of the kiln, the standard masonry method is an important guarantee for extending the service life of the kiln lining.


Silica Mullite Brick Phycial and Chemical

ItemHCR-IHCR-1450HCR-1550HCR-1650HCR-1680SiC wear-resisting brick
Al2O3  min%685860656565
SiC %241618202230
Bulk Density g/cm³2.72.452.52.62.652.65
Cold Crushing Strength Mpa 1309090100110110
Refractoriness under load of 0.2Mpa()166015501580160016501650
Refractoriness () min179017901790179017901790
Apparent porosity MAX %182020181817
Linear change on reburning  %   ± 0.20.20.20.20.20.1
Thermal shock stability >201515202020




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