Classification of castable most detailed castable classification knowledge

Classification diagram of castable

Mainly according to porosity, binder, aggregate varieties classification.In practical use, it is often classified by temperature or function.

According to the porosity of dense refractory castable and porosity of not less than 45% heat insulation fire resistant injection two. 

According to the binding agent divided into hydraulic binding, chemical binding, binding refractory castable.

Hydraulic binding castables set and harden at room temperature and harden through hydration, the main varieties are Portland cement, ordinary calcium aluminate cement, pure calcium aluminate cement, electric melting pure calcium aluminate cement castables, etc.

Chemically bonded castable is generally hardened by adding hardening agent at room temperature, and the main varieties are sodium silicate, aluminum sulfate, phosphate castable, etc.

Agglomerating and binding castable is hardened by sintering in the process of forging and firing.

According to the refractory aggregate score high aluminum clay aggregate, aggregate, siliceous aggregate, alkaline aggregate (with magnesia, since the marble, etc.), special aggregate (with carbon, nitride, carbide and spinel, wrong stone, etc.) and heat insulation aggregate, perlite, frog stone, ceramsite, sand drift beads, light brick, porous materials, alumina hollow ball, etc.).

In practical use, according to the engineering requirements, it is allowed to use some mixed aggregate type carbon fiber pouring integrated sucker rod stopper, which belongs to the accessories for oil field production, including carbon fiber stopper, oil rod, carbon fiber stabilizer and sucker rod, secondary pouring rod., the utility model directly to the carbon fiber helps Roman times, pouring on the sucker rod, saves the original through the method of media effect, and save the workers at the scene when well under the repeated installation time of traditional centralizer, high robustness, at the same time reduce the complicated parts, manufacture installation is very convenient, and light weight, low cost and wear resistance is a traditional help Roman type 1. 8 times, improve the workover period, save maintenance cost.