Product Description:
Product Name | Low Creep Fireclay Checker Bricks for Hot Blast Furnace |
Material | Fire Clay |
Quality Code | DRN120, DRL125 |
Al2O3 | 40 - 42% |
Supply Ability | About 100000 tons per year |
Package | Wooden pallet with plastic films |
Loading port | Tianjin port |
Lead time | 30 days for 300 tons To be confirmed for other quantities |
Features
1. Very low creep rate
2. Excellent Refractories under Load
Technical data for LOW CREEP FIRE CLAY BRICK DRN-120
ITEMS | UNIT | VALUE |
Al2O3 | % | ≥42 |
Fe2O3 | % | ≤2.5 |
Bulk Density 体密 | g/cm3 | 2.1 |
Apparent Porosity 气孔 | % | ≤24 |
CCS 常温耐压强度 | Mpa | ≥35 |
0.2 MPa RUL 荷软, 0.2MPa | ℃ | ≥1400 |
Refractoriness 耐火度 | ℃ | ≥1750 |
0.2 Mpa Creep Rate 1200℃×（0~50）h 蠕变率, 0.2MPa, 1200℃×（0~50）h | % | ≤0.8 |
Photos
Refractories for all process in steel mills
Factory photos
Package
Company profile
CNBM Group is short for China National Building Materials Group Corporation, which is established in 1984 with approval from the State Council
CNBM Group is the largest comprehensive building materials industry group in China.
CNBM Group is listed No.187 in on Fortune Global 500, 2020.
Refractory is one of the main products of the group. At the same time, under the globalization strategy, CNBM International is the exporter, logistic and local service supplier.
- Q:What's the price of clay bricks?
- Clay brick in the fast price of 2.4 yuan or so, the price of 650-800 yuan per ton. Mainly depends on the amount of aluminum. Clay brick consists of heavy clay brick and light clay brick.
- Q:nan
- Refractory waste should refer to the used refractory material, which more or less have some pollution. low grade material such as clay brick and high alumina brick can be used repeatedly on the spot, such as breaking it and making it into waste refractory bricks sand, unshaped refractory meterial or low-grade refractory brick, or just bury it in a pit. collect high grade bricks such as corundum brickand silicon carbide brick and sell, they are sought after, the price per ton ranges from several hundred to several thousand. pay special attention not to dispose waste refractory bricks containing metal chromium at random, for it is toxic and carcinogenic. Collect them and seal them up, looking for manufacturers to buy and reuse.
- Q:nan
- No, black brick has no thermal insulation effect.
- Q:nan
- According to the quality, the general level is two point four to two point seven or so
- Q:Why can earth make bricks?
- Therefore, it is still widely used in masonry projects such as walls, foundations and columns. However, due to the production of traditional clay brick to destroy the field, large amount of soil sampling, high energy consumption, brick from the major, high labor intensity and low efficiency in construction, it is necessary to gradually reform and replace with new materials. Some cities have banned the use of clay bricks in buildings. Brick for sintering brick and non sintered brick in accordance with the production process; according to the raw materials used for clay brick, shale, coal gangue brick, fly ash brick, slag brick and lime sand brick; according to whether the hole is divided into hollow brick, brick. In addition to clay, or as raw materials for preparation of brick by using fly ash, coal gangue and shale, which is due to their chemical composition similar to clay, but because of the fineness of less clay, so the poor plastic bricks often to be mixed with a certain amount of clay, in order to increase the plasticity. The use of coal gangue and fly ash and other industrial waste residue brick, not only can reduce the environmental pollution, saving large areas of farmland clay, and can save a lot of fuel coal.
- Q:nan
- 1, quenching (air cooling or water cooling), after the completion of the specified number of times. 2, maintain 20min, introduce the following types briefly. 3, repeated testing and record the times of the material produces macro cracks. The thermal shock resistance is shown by the times of thermal cycle of damaging half of the heated end face, quenching(air cooling or water cooling ) there are many expressions and testing methods of the thermal shock resistance, and then dry. Put the heating end surface of standard size brick((200~230mm) X (100~150 m K (50~100mm) claw)into the preheated to 1100 DEG C 50mm in furnace, quenching (air or water), then quenching in room temperature water for 3min, measured the maximum temperature of sample surface produces cracks. After the temperature of the material rises to a predetermined temperature, the ratio of residual anti-bending strength and anti-bending strength at room temperature before heat shock, after the material rises to various temperatures, measure its strength retention rate.
- Q:nan
- To change a new one, it is a common way now, isn't it?
- Q:What are the materials for building blocks and what are the specifications?
- Material: clay brick, shale, coal gangue brick, fly ash brick, lime sand brick, concrete brick etc..
- Q:With what three clay brick clay brick with six holes under what circumstances?
- Without strict restrictions, the main difference is in the bulk density.
- Q:nan
- Now all use castable refractory, the outer layer is generally pouring refractory castable, the inside layer is a heat insulation castable refractory.
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