Clinker Cooler Refractories - Resco Products

Clinker Cooler

Cement kiln feed becomes clinker after being sintered in the rotary kiln. Then it must be cooled — this is where the clinker cooler comes in. Clinker coolers bring the product to ambient temperature for the grinding process and recover heat from the clinker that is useful for combustion.

To work properly in operating conditions, the refractory products require resistance to abrasion, thermal shock, and alkali. Monolithic cooler linings are comprised of a working lining, an insulation layer, and an effective anchoring system.

Variables for Clinker Cooler Operators

  • At the discharge of the cooler, the temperature of the clinker should be as cool as possible.
  • Clinker bed depth should allow free passage of air through the clinker.
  • Control settings shouldn't allow overheating.

Selecting Refractory for Clinker Cooler

The inlet zone requires products of higher alumina content to provide the necessary thermal resistance. The refractory materials in the compartments following the inlet zone require progressively lower thermal resistance, but greater abrasion-resistant materials. QuikTurn is often the preferred product line because of the difficulty with drying out refractory castables in the clinker cooler.

  Roof  Inlet  Sidewalls  Curbs 
Casting  QT60PC  Quikturn 32-70  1st Compartment
QT60PC
2nd Compartment
Quikturn 45PC 
Quikturn 32-70PC
R-Max PC QT
Quikturn 60PC 
Gunning  Rescobond 3000G  R-Max G-QT  Quikturn 60G   



Typical clinker cooler products include the QuikTurn 60PC for casting applications and the QuikTurn 60G for gunning areas such as the tertiary air duct outlet. For the most severe abrasion, select the R-Max PC QT or the R-Max G QT. For further cement questions or assistance, contact Resco Products.

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EZ EST AZS PCArrow icon

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QUIKLITE 3 (UK)Arrow icon

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Quikturn 60 ZGArrow icon

QUIKTURN 60 ZG is a mullite-based, low cement, 60% alumina, low cement gun mix containing a zircon addition for improved buildup resistance in the cyclone and precalciner in the Portland cement industry. This product is installed by conventional dry gunning methods. After the final set, this unique castable can be heated without the traditional ramp-and-hold heatup schedule. Refer to the recommended QUIKTURN heatup schedule for the initial heatup.
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RESCOCAST 15 is a hydraulic-setting, general duty castable with moderate resistance to abrasion and thermal shock. It is used in applications where high strength, moderate erosion resistance, and medium insulation values are required. Its ease of application by troweling, casting, or guniting makes it a material that can be easily installed.
RESCOCAST 15 is a hydraulic-setting, general duty castable with moderate resistance to abrasion and thermal shock. It is used in applications where high strength, moderate erosion resistance, and medium insulation values are required. Its ease of application by troweling, casting, or guniting makes it a material that can be easily installed.
Conventional Castable

Rescocast 15HTArrow icon

RESCOCAST 15HT uses a higher purity binder, resulting in better physical properties than RESCOCAST 15 and superior resistance to chemical attack, particularly in reducing atmospheres. It can be applied by trowelling, guniting or casting which makes it a very versatile refractory.
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