Abrasion resistant ceramic lined steel pipe : how to deal with high temperature challenges?
The reason why wear-resistant ceramic tubes are so popular is that in addition to their super wear-resistant and high cost performance, they can also adapt to many extreme environments. In the face of high temperature challenges, alumina wear-resistant high-temperature ceramic tubes show It has superior performance far beyond other wear-resistant pipes. So how does the alumina ceramic tube resist the challenge of high temperature?
First of all, in terms of material, the main material of the pipeline lining ceramics is of course alumina. We calcined alumina at a high temperature above 1650 degrees to convert ordinary alumina into α-alumina with stable performance. Adaptable,
In addition, the fear of high temperature of wear-resistant ceramic tubes is mainly reflected in the fixing of ceramics. Most wear-resistant ceramics are fixed on the equipment by glue, but the viscosity of glue is easy to decrease at high temperature, and eventually the ceramics will fall off. In response to this, we have introduced three solutions.
1. Use high temperature resistant inorganic adhesive
In order to solve the problem of the viscous decrease of viscose at high temperature, we constantly analyze and compare the ceramic glue on the market, insist on independent research and development, adjust the ratio, and finally launched a high-temperature resistant inorganic viscose, which can operate stably for a long time at a high temperature of 350°C. Greatly improved the high temperature resistance of the ceramic tube.
Second, the use of stud welding to fix ceramics
In order to adapt to the harsh environment of higher temperature, we also use the stud welding method to fix the ceramics in addition to the pasting method. The stud welded wear-resistant ceramic tube can greatly reduce the influence of high temperature, and the impact resistance is also greatly improved. When used together with high temperature resistant inorganic adhesive, it can operate stably at high temperature.
3. Use the dovetail card slot to fix the ceramic
The dovetail card slot ceramic is a special form of wear-resistant ceramic. When installing, you can first weld the metal guide rail in the equipment, and then fix the dovetail card slot wear-resistant ceramic on the guide rail. This installation method can make the ceramic pieces form a mechanical Self-locking force, can also withstand high temperature challenges.
These three methods can prevent wear-resistant ceramics from falling off at high temperatures. We can use them alone or in combination of two or even three of them according to the situation.
