The function index of fireproof material affects what its fall in high temperature environment to use the effect directly. The function index that is a few keys below reachs his to be opposite the influence of use effect:
1. is fireproof degree: Definition: Ability of infusible of action of high temperature of fireproof material resistance. Influence: Fireproof degree taller, stuff is better in the stability below high temperature environment, fuse not easily or be out of shape, apply to the operation condition of higher temperature.
Stability of 2. thermal shock: Definition: The ability that fireproof material resists urgent cold urgent hot loop changes. Influence: The stuff with thermal shock good stability is not easy in the environment that temperature changes quickly craze or flake, prolong service life, decrease to safeguard and change frequency.
3. compressive strength: Definition: Fireproof data supports below high temperature the ability of mechanical stress. Influence: High compressive strength means material to be able to bear below high temperature bigger mechanical negative charge, not changeful form or damaged, apply to bear hold a heavy thing or get percussive place.
4. fights broken bits aggressivity: Definition: Fireproof material is counteractive the erodent ability such as metal of slaggy, melt. Influence: The stuff with the can good aggressivity that fight broken bits is in the environment that contains slaggy or caustic gas service life is longer, maintain cost lower, special apply to the industry such as metallurgy, chemical industry.
5. thermal conductance: Definition: Fireproof material conducts caloric ability. Influence: The stuff with expensive thermal conductance can conduct quantity of heat quickly, be helpful for heating equably, but in the circumstance with adiabatic high demand (be like heat-insulation layer) not applicable; And material of low thermal conductance has favorable adiabatic effect.
6. density and hole lead: Definition: The scale of the density of material and in-house hole. Influence: High density material is had normally higher intensity and fight aggressivity, and data of tall hole rate has good adiabatic sex, but intensity is relatively inferior. The density with right choice and hole rate depend on specific use requirement.
7. wearability: Definition: Ability of tatty of fireproof material resistance. Influence: The stuff with good wearability wears away not easily in the environment that is eroded by solid grain flow, apply to the operating mode with fluidity more stock, wait like cement kiln, boiler.
8. fights chemical aggressivity: Definition: Fireproof material is counteractive acid, alkaline the ability that waits for chemical material to erode. Influence: The stuff with fight chemical aggressivity can good is in acidity or alkalescent environment service life is longer, apply to the industry such as chemical industry, oil refining.
Optimize through be being mixed to the understanding of these function index, can mix according to particular use environment requirement, choose right fireproof stuff, in order to achieve ideal use result, prolong the service life of equipment, reduce maintain cost.
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