| Customization: | Available |
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| Application: | Reverberatory Furnace |
| Material: | Silica Checker Brick |
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Chemical & Physical Property of Silica Checker Brick
| Item | Silica Brick for Hot Blast Stove | |
| Wall bricks , | Checker Brick | |
| Dome Bricks | ||
| SiO2 % | ≥95 | ≥95 |
| A12O3% | ≤1.0 | ≤1.0 |
| Fe2O3% | ≤1.0 | ≤1.0 |
| Apparent Porosity% | ≤22 | ≤24 |
| True Densityg/cm3 | ≤2.33 | ≤2.33 |
| Cold Crushing StrengthMPa | ≥40 | ≥35 |
| Refractoriness Under Load (0.2MPa) ºC | ≥1650 | ≥1650 |
| Residual Quartz% | ≤1.0 | ≤1.0 |
| Creep Rate 0.2MPa ((1550ºC*50h) % | ≤0.8 | ≤0.8 |
| Reheat Linear Change ( 1450ºC*2h) % | ≤0.2 | ≤0.2 |
| Heat Expansion Coefficient (1000ºC) % | ≤1.26 | ≤1.26 |
Description for Checker Brick
Checker Brick is a kind of heat-transfer medium, which is mainly used for middle-upper part of regenerative chamber in hot blast stove for thermal storage in the burning period. Checker Bricks play the extremely important function in the process of heating cool wind up to hot wind through convective heat exchange and radiation heat transfer in the blast period. Checker Brick is widely used in iron smelting industry as a kind of heat-carrier with excellent thermal engineering performance of strong heat exchange ability, large thermal storage area, smooth ventilation and low resistance. Checker Bricks are mainly used in the hot blast stove. When the hot wind is lower than 900ºC, generally adopt fireclay bricks. When the wind temperature is higher than 900ºC, adopt high alumina refractory bricks, mullite brick, sillimanite brick and silica refractory bricks and etc.
If you want to know more products, please contact us immediately, we have professional engineers to answer your questions
If you have more needs, we can customize the size, material, etc.
Packaging :Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;
RongSheng Refractory Advantages
There are 240 staffs in Rongsheng Company, of which 12 is senior professional technician. Annual production capacity is up to 60000 tons. There are light and heavy weight materials production lines and all kinds of complete production, testing and check equipment, of which there are 10 series shaped press machine that from 400 tons to 1000 tons and two hyperthermia tunnel kilns whose length are 148m and 118m.
Rongsheng Refractory has established complete quality system and conducted quality control through the whole staff and process that from raw materials, production, check and various parts strictly according to ISO9001 standard and with the professional checker at each level to take good product and service as the top goal.
Zhengzhou Rongsheng Refractories Co., Ltd.was established in the early 1990s. After continuous innovation and development, it has now become a collection of metallurgy, building materials, electric power, chemical industries and other industries. Our products are sold nationwide and exported to the United States, India, France, Spain, Brazil, Peru, etc. Rongsheng has successively passed ISO quality, environment and safety management system certification. While providing products, Rongsheng continues to provide customers with professional engineering services, has a wealth of experience, and has won unanimous praise from customers at home and abroad.
Rongsheng Refractory has professional sales and after-sale service team who provide customers all-around service about product application, construction installation and operation technology training etc. Now we have established cooperation relationship with many science and research unit and our products have been sold to Japan, Indonesia,Kazakhstan and Vietnam etc.
We has over 20 years experience on producting the Refractory brick.
Payment Guarantee: We have Trade Assurance of every order ,and it's still growing up .
Rongsheng Refractory insists on pursuing the management idea of "honest, courtesy, innovation and professionalism" as the purpose,taking the "low price for better quality" as the foundation of enterprise development and creating "Rongsheng Brand" as the enterprise strategic goal. And Rongsheng provides satisfying, timely and efficient service for customers based on scientific management process, complete customer information management system and abundant products types.
Q1. Are you Manufacturer?
A: Yes, of course, our factory is in Xinmi,zhengzhou city,Henan province.
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