Option
1.Full auto control system or Semi auto control system
2.Electric heating or steam heating
Applications
It is suggested that is suitable for less viscous liquid such as milk, flavoured milk, juice,coffee
Characteristic
1.Price is cheaper
2.compact structure
Continuous Coil Pasteurizer Systems for Efficient Fluid Heat Treatment
Precision-engineered for heat sensitivity, uniform thermal distribution, and seamless continuous operations. The Zhongbo Industrial Coil Pasteurizer Skid delivers exact High-Temperature Short-Time (HTST) pasteurization and sterilization loops for mid-to-high viscosity liquid food, fruit purees, herbal extracts, and premium dairy products.
Sanitary Standards: Fully compliant with 3-A Sanitary Standards, FDA regulations, and ASME BPE guidelines for sanitary fluid processing.
Engineered Performance & Technical Specifications
Our coil pasteurizers utilize an optimized helical heat exchanger pathway to maximize surface-area-to-volume ratios, generating turbulentDean vortex flows that drastically improve heat transfer coefficients while minimizing thermal degradation.
| Performance Parameter | Engineering Standard / Value Range |
|---|---|
| Processing Capacity | 500 L/h to 10,000+ L/h (Custom continuous flow skids available) |
| Temperature Range | Pasteurization (72°C – 85°C) | Extended Holding Loops up to 121°C |
| Holding Time Efficiency | Precision holding tubes: 15 to 30 seconds (Customizable via PLC VFD control) |
| Wetted Contact Materials | SS316L Stainless Steel (Internal roughness Ra ≤ 0.4 μm mirror polished) |
| Heat Exchanger Geometry | Helical Coil / Spiral Continuous Conduit (Zero dead-leg geometry) |
| Automation & CIP Control | Fully automated Siemens PLC + HMI Touchscreen with Integrated CIP connection |
Key Advantages of Zhongbo Coil Heat Treatment Systems
Compared to traditional plate heat exchangers that suffer from gasket failure under pressure, or standard straight-pipe tubular exchangers that take up immense floor space, coil pasteurizers offer distinct thermal dynamics:
- Dean Vortex Heat Enhancement: The curvature of the continuous coil generates secondary fluid vortices. This secondary flow promotes continuous radial mixing, preventing localized overheating and protein burn-on (fouling).
- Ultra-Compact Footprint: By coiling the holding and heating pipes vertically, plant floor space requirement is reduced by up to 60% compared to equivalent straight-line tubular units.
- Seamless Gasket-Free Liquid Conduit: Eliminates continuous gasket replacement costs and removes micro-leak risks during high-pressure thermal shocks.
- High Heat Regeneration: Integrated thermal recovery loops reuse energy from outgoing pasteurized product to preheat incoming raw fluids, slashing total utility costs (steam & chilling water).
Seamless Upstream & Downstream Skid Integration
A coil pasteurizer operates at peak efficiency when integrated into a unified processing loop. Zhongbo Machinery engineers full turnkey systems connecting all critical process stages:
| Associated Process Equipment | Engineering Role within the Coil Pasteurizer Line |
| High-Shear Mixing & Blending Tanks | Ensures homogeneous fluid preparation and emulsification upstream, preventing particulate clogs prior to entering the coil heating matrix. |
| Sanitary Buffer & Surge Tanks | Acts as a sterile pressure-balanced buffer downstream to balance continuous pasteurizer flow with intermittent filler line indexing. |
| Fully Automated CIP Systems | Executes multi-phase alkaline (NaOH) and acid (HNO3) wash recipes directly through the coil bundle at high linear velocity to eliminate organic scaling. |
Frequently Asked Questions: Coil Pasteurizer Engineering
Q1: Why is a coil pasteurizer better suited for viscous liquids than a plate heat exchanger?
A: High-viscosity or fiber-rich liquids (such as fruit pulp or milk concentrates) cause high pressure drops and rapid clogging in narrow plate gaps. Coil pasteurization maintains a uniform, continuous inner diameter that generates Dean vortices, reducing shear damage while maintaining high heat transfer without channel blockage.
Q2: How does the system handle process safety if temperature drops below critical holding levels?
A: All Zhongbo coil pasteurizer skids are fitted with an automated Flow Diversion Valve (FDV) system. If the discharge temperature drops below the set point for commercial safety, the FDV instantly diverts unpasteurized fluid back to the balance tank for reprocessing.
Q3: Can coil pasteurizers be integrated into automated Clean-in-Place (CIP) regimes?
A: Yes. The seamless, mirror-polished SS316L internal conduit is built specifically for high-velocity CIP fluid circulation. It features zero dead legs, ensuring complete chemical residue evacuation without disassembling the coil assembly.
Need a Tailored Heat Treatment Solution for Your Plant?
Consult directly with Zhongbo thermal engineering specialists to design custom continuous coil pasteurizer skids tailored to your fluid viscosity, production flow rates, and plant floor layout.
