Classification Of Castables

Mainly classified by porosity, binder, and aggregate variety. In practical use, it is often classified based on usage temperature or functional characteristics.
There are two types of materials based on porosity: dense castables and insulation fired castables with porosity not less than 45%.
According to the binder, there are hydraulic bonding, chemical bonding, and coagulation bonding castables.
Hydraulic combined castables solidify and harden at room temperature and harden through hydration. The main varieties include Portland cement, ordinary calcium aluminate cement, pure calcium aluminate cement, and electric melting pure calcium aluminate cement castables. Chemical bonded castables generally harden by adding hardening agents to form a chemical reaction at room temperature. The main varieties include water glass, aluminum sulfate, phosphate castables, etc. Cohesive bonding castables are hardened through sintering during the calcination process, and the main varieties include clay castables.
According to refractory aggregates, there are clay aggregates (Al2O3 30%~45%), high alumina aggregates (Al2O3% 26ge; 45%), siliceous aggregates (SiO2% 26ge; 85%, Al2O3% 26lt; 10%), alkaline aggregates (including magnesia, dolomite, etc.), special aggregates (including carbon, carbide, spinel, zircon, nitride, etc.), and insulation aggregates (including perlite, vermiculite, ceramic particles, floating beads, lightweight brick sand, porous clinker, alumina hollow spheres, etc.).
In practical use, according to engineering requirements, it is allowed to use certain mixed aggregate types of carbon fiber casting integrated sucker rod stabilizers, which belong to accessories for oilfield production, including carbon fiber stabilizers, oil rods, and carbon fiber stabilizers and sucker rods cast into one at a time. This utility model directly pours the carbon fiber stabilizer onto the sucker rod in one go, eliminating the need for the original method of using media components for operation, and also saving workers the time of repeatedly installing traditional stabilizers when going down the well on site. It has extremely high firmness, reduces cumbersome components, is easy to manufacture and install, and is lightweight, low-cost, and has 1.8 times the wear resistance of traditional stabilizers. It improves the well repair cycle and saves maintenance costs.