Zhengzhou Annec Industrial Co., Ltd.
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, MoneyGram, |
| Supply Ability | 6000pcs/day |
| Delivery Time | 5-8 working days |
| Packaging Details | comfort to exporting packing |
| Raw material | Silica sand |
| SiO2 | ≥95% |
| Al2O3 | ≤1.0% |
| Fe2O3 | ≤1.2% |
| Apparent porosity | ≤23% |
| CCS | ≥35Mpa |
| RUL | ≥1650℃ |
| Creep rate | ≤1500℃ |
| Brand Name | ANNEC |
| Model Number | ARG-95 |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, D/A, D/P, Western Union, MoneyGram, | Supply Ability | 6000pcs/day |
| Delivery Time | 5-8 working days | Packaging Details | comfort to exporting packing |
| Raw material | Silica sand | SiO2 | ≥95% |
| Al2O3 | ≤1.0% | Fe2O3 | ≤1.2% |
| Apparent porosity | ≤23% | CCS | ≥35Mpa |
| RUL | ≥1650℃ | Creep rate | ≤1500℃ |
| Brand Name | ANNEC | Model Number | ARG-95 |
| Certification | ISO | Place of Origin | China |
| High Light | 95% SiO2 Silica Refractory Bricks ，1650 Silica Refractory Bricks ，1500 Shock Resistance Silica Bricks | ||
37 hole checker brick silica bricks used in hot blast furnaces
Description:
37 hole checker brick silica bricks used in hot blast furnaces is a widely used for coke oven, hot blast stove, acid steel making furnace and glass melting furnace.
37 hole checker brick silica bricks used in hot blast furnaces can be manufactured according to customers' different requireents.
37 hole checker brick silica bricks have the characteristics of low thermal conductivity, high load softening temperature, small residual expansion, and excellent reburning line change performance. 37 hole checker brick silica bricks are suitable for industrial furnaces such as coke ovens, hot blast furnaces, glass furnaces and carbon furnaces. 37 hole checker brick silica bricks is mainly used for the heat insulation layer and working layer of thermal equipment, and can be used for the heat insulation layer of various high temperature kiln equipment under high temperature conditions (≤1500℃) without contact with molten slag. This product is suitable for the heat insulation material of the silica brick lining of the high temperature hot blast stove of the large blast furnace and the heat insulation of the silica brick masonry of the glass furnace.
General 37 hole checker brick silica bricks can be divided into two levels: the first grade can be used in the top of the steel rolling heating furnace and the roof of the silicate industrial kiln, and can be directly in contact with the flame; the second grade is used in the general industrial kiln Insulation. Applicable to: industrial furnaces such as coke ovens, hot blast furnaces, glass melting furnaces and carbon calciners. Generally, the bulk density of 37 hole checker brick silica bricks is 0.9-1.1g/cm3, the compressive strength is 2.0-5.9MPa, and the thermal conductivity is 0.35-0.42W/(m·K). It has excellent fire resistance, its softening temperature under load is close to 1620℃ for dense silica bricks, with only a small residual expansion, and its thermal stability is better than dense silica bricks. Therefore, siliceous heat-insulating refractory bricks can be used for a long time under high temperature conditions (1500-1550°C) without contact with molten slag, but they are especially suitable for high-temperature hot-blast furnaces of large blast furnaces. Thermal insulation of silica brick gas.
| Item | Chemical Composition |
| SiO2 | ≥95% |
| Al2O3 | ≤1.0% |
| Fe2O3 | ≤1.0% |
| Apparent porosity | ≤23% |
| CCS | ≥35Mpa |
| RUL | ≥1650℃ |
37 hole checker brick silica bricks Features
1.Good acid and erosion resistance, powerful anti high-temperature strength.
2.Soften melting temperature is 1620~1670 °C.
3.Low thermal shock resistance.
4.Natural silica as raw material, plus regular mineralizer.
5.Ensure good bonding and structural strength of furnace.
6.Good heat resistance and long service life.
37 hole checker brick silica bricks Application
1.Specification:Standard&special shape;
2.Well resist acid slag erosion;
3.Refractoriness under load is close to refractoriness ;
4.Nondeformable under high temperature using
Zhengzhou Annec CO., Ltd. was founded in 2003, and has been a NASDAQ listed corporation since 2011 with ticker identification ANNC. Annec had become the industrial leader within China in the areas of refractory production, Engineering for hot blast stove of blast furnace, and capability for EPC project. Annec has its own Provincial Enterprise Technology Center and Top Combustion Hot Blast Stove Research Centre, Annec (Beijing) Engineering & Technology Co., Ltd and four Manufacturers for Refractories. The annual output of different type of refractories can reach 150 thousand tons, and undertaken capability of more than 10 turnkey projects for hot blast stove.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2003
Total Annual:
100,000,000-120,000,000
Employee Number:
700~730
Ecer Certification：
Verified Supplier
Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EP... Zhengzhou ANNEC Industrial CO., Ltd. was founded at Sep, 2003, and has been a NASDAQ listed corporation since 2011(Stock code: ANNC). ANNEC had become refractory industrial leader provide core service such as refractory production, technology of blast furnace and hot blast stove and EP...
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