26
2022-01
The raw materials and production process of silica bricks for glass kiln are as follows:(1) Determination of raw material ratio and particle compositionThe raw materials for the production of silica bricks mainly include quartz stone, waste bricks, lime, mineralizers ··· ...
24
2022-01
Use spray construction method to repair the unshaped refractory used in the lining of thermal equipment. It is composed of refractory aggregates, binders and admixtures (including coagulants, plasticizers, sintering aids and mineralizers, etc.) with a certain particle··· ...
24
2022-01
Mud-shaped or mud-shaped unshaped refractories constructed by ramming, shaking or extrusion methods. It is fully mixed with a certain grade of refractory aggregate, powder, binder, admixture and water or other liquids. According to the quality of refractory aggregate ··· ...
24
2022-01
The operation steps of the hot air oven of the glass melting furnace during the low fire1. Start and ignite the hot air generator in the middle of the feeding tank, pay attention to the oil, gas, and air volume not to be too large. After the operation is stable, turn ··· ...
24
2022-01
Before igniting the furnace, it is necessary to formulate a reasonable temperature rise curve and select a suitable furnace method according to the expansion characteristics of the furnace refractories. At present, there are many kinds of baking methods, but as far as··· ...
23
2022-01
How to package, transport and store refractory materials for glass melting furnace?① The bricks must be clearly marked, such as stamping the product inspection certificate and mark on the working surface, and stacking and packaging separately. The bricks should be pa··· ...
23
2022-01
When the clay refractory is in contact with molten glass at high temperature, the surface of the brick body is initially infiltrated by molten glass. Thereafter, due to the action of the capillary, the molten glass is sucked into the pores of the brick, and the alkali··· ...
23
2022-01
For the float production process, the cooling part refers to the part of the melting furnace from the end of the neck to the front of the runner; for the calendering, flat drawing, and vertical pull-up process, it refers to the horizontal passage and branch passage fr··· ...
23
2022-01
The main components of chromium corundum are Al2O3 and Cr2O3, which form a continuous solid solution. According to the Al2O3-Cr2O3 binary phase diagram, adding Cr2O3 to the Al2O3 single-phase material does not reduce the refractoriness of the material, but the refract··· ...
23
2022-01
In the glass industry, the quality of refractory materials in the melting furnace is of great significance to increase the output and quality of glass products, save fuel, extend the service life of the furnace, and reduce the cost of glass production. Poor refractory··· ...