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Quotes - Engineering - SalesCIP Solution Heating
Bringing Cleaning Solutions to Temperature
CIP circuits heat caustic, acid, sanitizer and rinse water and hold them at setpoint while solution recirculates through the equipment being cleaned. The heater sits in that circuit and sees every chemical the plant uses, hot, repeatedly.
Ramp rate is the commercial driver. Once solution is at setpoint the standing load is small. What matters is how fast the tank gets there, because that time is production time lost. CIP heaters are sized for heat-up rate rather than hold duty.
Gasket compound is the usual failure. Hot caustic and hot acid alternating is more aggressive than most product streams. EPDM handles caustic and hot water well; the wrong compound fails quickly and expensively.
Chlorinated sanitizers change the conversation. Chlorides at temperature attack stainless as well as gaskets. Where a chlorinated sanitizer is in the cycle, tell us, because it may move the plate material as well as the gasket.
Common FAQs
Because the cost is changeover time. Once the solution reaches setpoint the heat load is small; what matters is how quickly it gets there, since that period is production the line is not making.
EPDM is the usual answer among common compounds. Nitrile is unsuitable at those temperatures and Viton performs poorly in caustic and steam. Send the full cleaning sequence rather than just the peak temperature.
It sits in the circuit and receives the same solutions as the equipment downstream, so it needs the same cleanability and drainability. On product-contact circuits that means sanitary construction throughout.
They can. Chlorides at temperature attack austenitic stainless, and where the sanitizer is aggressive a higher alloy or titanium may be the right answer. Tell us the full cycle at enquiry.
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