Over the years, we have been widely recognized by the market with high-quality High alumina brick for ceramic roller, Manganese sand for water filter, High Thermal Conductivity Silicon Brick, reasonable prices as well as a highly responsible attitude. Our company has always implemented a strict quality assurance system to satisfy customers with superb production levels and advanced management concepts. In many factors of product quality, talent is the decisive factor. Building talent camp is an important part of our company's development strategy.
1,Description of Magnesia Zirconia Bricks for Glass Furnace:
The product uses high purity fused magnesia and synthetic magnesia-zirconia as the main raw materials. It is finished by high pressure forming and high temperature firing. The product has excellent corrosion resistance to alkali metals, oxides, sulfides, etc. It also has good resistance to alkaline atmosphere and alkaline slag. Therefore, the product is widely used in regenerator of glass furnace, cement kiln, electric furnace and non-ferrous metal smelt.
2,Promise:
(1) Free product testing report
(2) Provide free samples
(3) Free compensation for products damaged during transportation
(4) Free to provide users to factory acceptance of all conveniences
3,Site of use:mainly used in regenerator of glass furnace
4,Damage mechanism of Magnesia Zirconia Bricks for Glass Furnace:
products are new type of periclase--forsterite--Zircon Bonded Magnesium Refractories.Because of the strong corrosion resistance of forsterite and zirconia, the corrosion resistance of brick is improved.However, with the exchange of air flow in the regenerator, a large amount of silicon, sodium, calcium, sulfur and a small amount of phosphorus ehich from flying material in molten poolwill adhere to the surface of the brick and gradually penetrate into the interior of the brick, and form sodium, calcium, magnesium and other silicates, phosphate,which weakens the strength of the brick, resulting in a reduction in the strength of the brick.
The corrosion of products is between periclase and zircon,with the increase of SIO2 content, a new low melting point silicate phase is formed, which produces a larger volume effect, resulting in cracking and spalling of bricks.
The gases of harmful oxides such as sulfur and phosphorus produced by combustion of fuel adhere to the surface of magnesia-zirconium brick during air exchange in regenerator and penetrate into the inside of the brick, and react to form new salts substance, which change and destroy the structure of the brick and reduce the service life of the brick.
5. Product salient characteristics
1) Good corrosion resistance to alkali metals, oxides, sulfides, etc.
2) It is used in the upper part of the regenerator without blockage or collapse.
3) The product structure is periclase-forsterite-zircon, which is very compact and has a density of over 3.0g/cm3.
4) The overall performance is stable at high temperature, and the service life is more than 8 years.
6,Index of Magnesia Zirconia Bricks for Glass Furnace:
ITEM | JMZ-8 | JMZ-10 | JMZ-13 |
MgO % | 80 | 75 | 70 |
ZrO2 % | 8 | 10 | 13 |
Apparent porosity % | 19 | 18 | 18 |
B.D g/cm3 | 2.95 | 3.00 | 3.05 |
Compression strength Mpa | 50 | 45 | 45 |
Refractoriness under load ℃ | 1600 | 1550 | 1600 |
Anti stripping property 950℃,air cooling,times | ＞20 | ＞20 | ＞20 |
7.Good feedback of product use effect,the products have been exported to Pakistan, the United States, Kenya, Mexico
8.We are a professional supplier, who can provide customers with free product technology, use and other issues.
Do you want to find a professional supplier of refractory products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
We continue to design RP/HP/UHP Graphite Electrode for Arc Furnace and Refining Furnace etc with excellent concepts, always looking for breakthroughs in core areas. We always regard quality as the most important thing. Good products need good reputation. We warmly welcome and expect more users' strong support. Our company is trying to be one important suppliers in China.
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