Heat Jacketed Mixing Tank With Agitator Stirrer

A jacketed mixing tank utilizes electric immersion heating rods inside an intermediate oil-filled jacket to deliver indirect thermal energy across vessel shells during processing of volatile or flammable mixtures. Submerged heating elements energize mineral oil within the enclosed annulus, conducting uniform heat through the inner vessel cylinder without exposure to internal vapors. Direct mechanical agitation driven across the liquid volume forces product turnover away from heated boundary walls, suppressing thermal stratification while maintaining precise setpoints across volatile formulations.

Intrinsically Safe Pneumatic Drive Operation in Hazardous Zones

Processing flammable chemical mixtures requires drive equipment devoid of electrical arcing risks. Operating a heat jacketed mixing tank powered with compressed air motors eliminates electrical ignition sources within classified operating zones.

Pneumatic drive heads adjust rotational velocity smoothly across changing product viscosities via simple inlet pressure regulating valves. Under unexpected overload conditions caused by slurry thickening, pneumatic motors stall without overheating or burning insulation coils, preserving operating integrity.

Agitator Drive Mechanism Selection Across Classified Processing Zones

Axial Hydrodynamic Flow and Boundary Layer Shearing

Dense suspensions settling toward container bottoms create uneven product heating and localized scorching. Operating a jacketed tank with stirrer equipped with three-blade axial flow propellers produces continuous downward hydraulic discharge across the center axis.

Liquid streams strike the lower dish head and sweep upward along conductive metal walls. This vertical circulation continuously shears away stagnant liquid boundary layers, elevating convective heat exchange rates and dispersing solid particulate into stable suspension.

Exterior Thermal Insulation and Product Evacuation Design

A jacketed mixing tank with agitator incorporates thick mineral wool insulation enclosed under a secondary stainless steel protective barrier. This insulated perimeter restricts parasitic thermal radiation losses to facility air, maintaining safe exterior touch temperatures and lowering power draw during continuous heating runs.

All product contact zones utilize electropolished 316L stainless steel with surface finishes smoother than 0.4 micrometers Ra to suppress material fouling. Deep-dish bottoms coupled with flush-mount sanitary discharge valves ensure complete drainage between incompatible chemical batches.

Agitator Type

High Shear Homogenizer/high shear mixer/homogenizer head		Sawtooth Impeller/high shear dispersion blade /Cowles Blade Impeller		3-Blade Propeller Impeller/Three-Leaf Paddle/Marine Propeller		Gate/Frame / Anchor Impeller
Rushton Turbine/Flat-blade disk turbine		Helical Ribbon Impeller/helical ribbon mixer		Pitched Blade Impeller		Dual Pitch Impeller

Technical Specifications