The Type II Dismountable Spiral Plate Heat Exchanger is a semi-welded, single-side removable unit engineered for fluids prone to fouling or crystallization. It combines counter-flow thermal efficiency with strategic access for maintenance, optimizing reliability in challenging industrial processes.
Structural Features
Single-Side Removable End Cap
One fluid channel features a bolted end cover for mechanical cleaning access, while the opposite channel remains permanently welded for pressure integrity.
Counter-Flow Spiral Path
Maximizes thermal gradient utilization, achieving approach temperatures down to <10°C.
Anti-Blocking Geometry
Asymmetric channel design (typically 10:1 ratio) resists particulate accumulation and minimizes fouling.
Flexible Orientation
Supports horizontal or vertical installation for space-constrained layouts.
Partial Welded Construction
Retains structural robustness (up to 1.6 MPa ) while enabling maintenance access.
Technical Advantages
Maximized Cleanability
Equipped with a removable end cap, it enables mechanical descaling for fluids that are prone to fouling. Compared with Type I exchangers, this design cuts downtime by 40%.
High-Efficiency Recovery
Its counter-flow structure can extract no less than 85% of waste heat from viscous or slurry media.
Thermal Stress Resilience
The spiral-wound tubes can automatically compensate for expansion and contraction, thus preventing flange leaks.
Cost Optimization
By doing away with dual-end gaskets, it achieves 30% lower lifecycle costs in comparison to fully detachable units.
Application
It works well for fluids that have a moderate tendency to cause fouling. Its specific applications across various industries are as follows:
- In Chemical Processing: It is used for cooling polymer slurries and preheating feeds for crystallizers.
- In Biofuels Production: It facilitates the recovery of heat from fermentation broths.
- In Wastewater Treatment: It enables heat exchange between sludge and water.
- In the Food & Pharmaceutical Sectors: It is applied to cool high-viscosity products, such as syrups and extracts.
Technical Team
Since its founding, Suzhou Ukada Energy Saving Technology Co., Ltd. has boasted a high-caliber technical team. Within its R&D center, Engineer Lu has been dedicated to the design and manufacturing of spiral plate heat exchangers since 1982.
Engineer Lu previously held the position of chief engineer at Suhua Machine, where he accumulated extensive experience in research, development and practical operations. Over the years, he has successfully completed the R&D and manufacturing tasks of spiral plate heat exchangers for numerous national key projects. These projects cover important fields such as satellites, submarines and nuclear power plants.
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