Blog Posts - Insulation Refractory



Material used for magnesium alumina refractory

Materials — magnesia, high alumina clinker and zircon sand were used Meilv refractory clinker. In the calcined materials, is now the end of their physical and chemical changes, magnesia alumina refractory ball during sintering and Al2O3 in magn...

Refractories for heat exchange furnaces

The heat exchanger is an important part of the center of bottom burner furnace, four corners burner soaking pit and one sided upper burner soaking pit for the preheating of the air or gas. The first two stove of heat exchanger is arranged in the stov...

Methods to decrease the porosity rate of refractory brick

Production of refractory  brick  is always encountered too many holes, how can we reduce the occurrence of this situation? Today we shall all requirements to introduce how to reduce the rate of porosity of refractory brick. Selection of high densit...

IF furnace ramming using errors

Xinmi Changxin Refractory help you interpret frequency furnace ramming material errors, IF furnace ramming many people use when there are errors. For instance, some customers think IF furnace ramming such as quartz sand fight the charge should be don...

Application of epoxy mortar used in blast furnace.

Blast furnace used in treatment of iron mud gun port, through the usual is a water gun mud, but in the steel yield is high, the epoxy mortar are more susceptible to iron slag machine erosion and chemical corrosion, resulting in a blast furnace slag n...

Improvement and using of furnace refractory material

Open hearth furnace masonry damage mainly caused by slag and liquid steel chemical erosion and high temperature corrosion and spalling. Open hearth is most easily damaged, is the weak link in the whole lining, directly related to the small yield of f...

Improvement and using of furnace refractory material

Open hearth furnace masonry damage mainly caused by slag and liquid steel chemical erosion and high temperature corrosion and spalling. Open hearth is most easily damaged, is the weak link in the whole lining, directly related to the small yield of f...

The creep of refractory material

Refractory material especially in the high temperature when subjected to below its ultimate strength under a certain stress will produce plastic deformation, deformation along with the load increasing, and even lead to the failure of materials. This...

The creep of refractory material

Refractory material especially in the high temperature when subjected to below its ultimate strength under a certain stress will produce plastic deformation, deformation along with the load increasing, and even lead to the failure of materials. This...

Refractory castable using validity period and size selection

一、Using effective period Need watering tie with monolithic refractories, such as high temperature cement, refractory plastic, refractory castable, etc., must be checked before use its expiry date. Exceeds the material period, its performance will...

The main problems of new dry process kiln refractory materials

(1) Refractory material inner quality is not stable and the size of irregularity is a serious problem in the whole industry. The main reason is that the level of equipment for producing refractory material is too low, the management problems of the p...

Anhydrous stemming and its main characteristics

Anhydrous stemming is to continuously improve the production of pig iron (especially after burning), with the traditional water stemming tadpole maintenance is not good situation, after repeated testing and improvement, a new type of refractory mater...


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