Rubber Slurry Heating - Hydro-Thermal Corp. Fluid: 26% PVC Slurry Flow Rate: 45 GPM [10 m3/hr] Inlet Temperature: Variable; 35-120°F [2-49°C] Discharge Temperature: 167°F [75°C] Steam Supply Pressure: 60 PSIG [4 barg] This major tire and rubber company needed to heat 26% PVC slurry without hammering and plugging. The slurry required heat added prior to dewatering in a centrifuge. Indirect methods of heating were not considered because of the high potential for the slurry to foul the barrier heat transfer surface. For this reason, a competitive direct-contact steam heater was being used; however, the heater hammered violently, compromising pipe fittings and supports. Periodically, the PVC slurry would back-flow into the steam supply line and harden, requiring disassembly for acid

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