The Type III Through Flow Spiral Plate Heat Exchanger is engineered for high-flow, dual-stream industrial processes . Featuring a cross-flow design and full-channel accessibility , it excels in handling large-volume gas/liquid exchanges while mitigating pressure drop and fouling risks.
Structural Features
Through-Flow Channels: Straight-path design enables direct mechanical cleaning without disassembly (e.g., rodding for viscous slurries).
Optimized Gap Geometry: Dedicated condensation-end spacing reduces pressure by 30% versus conventional spiral plates .
Cross-Flow Configuration: Maximizes turbulent flow for gases with >50,000 m³/h capacity per unit (e.g., flue gas treatment).
Large Flow Sections: 40% wider flow paths than Type II, accommodating high-viscosity fluids (≤5000 cP) and particulate loads (≤15% solids).
Technical Advantages
Ultra-Low Wind Resistance
Aerodynamic channel design minimizes gas-side pressure drop to less than 0.15 bar, a feature that proves critical for HVAC and emission systems.
Fouling Immunity
Full access to channels lowers cleaning downtime by 75% in scaling-prone applications, such as wastewater sludge treatment.
Thermal Efficiency
It sustains heat recovery rates of 85% or higher, even when the approach temperature for gas-liquid heat transfers is as low as 5°C.
Dual-Flow Mastery
It can manage symmetric flow rates of up to 3,000 cubic meters per hour on each side, which is suitable for scenarios like LNG regasification.
Application
It is optimized to handle large-scale operations involving two fluid streams. Its specific applications across various industries are as follows:
- Energy Sector: It is used for heat recovery from flue gas in coal-fired and gas-fired power plants, as well as for preheating feed for LNG vaporizers.
- Chemical Industry: It serves in the quenching of high-viscosity polymers and the cooling of acid gases like sulfur dioxide (SO₂) and hydrogen sulfide (H₂S).
- Pulp & Paper Industry: It is applied to concentrate black liquor and cool gas from recovery boilers.
- HVAC Field: It is utilized in district heating networks where geothermal fluids contain suspended solids.
Technical Team
Since its establishment, Suzhou Ukada Energy Saving Technology Co., Ltd. has built up a strong technical team. General Lu, a member of the company's research and development center, has been devoted to the design and manufacturing of spiral plate heat exchangers since 1982. He also once worked as the chief engineer at Suhua Machine, accumulating abundant experience in research and development.
General Lu has achieved success in completing the research, development and manufacturing tasks of spiral plate heat exchangers for numerous national key projects. These projects include those related to satellites, submarines, nuclear plants and more. Additionally, he took part in drafting and formulating the national energy industry standard for spiral plate heat exchangers-this standard was put into implementation in 2016. At present, General Lu holds the position of engineer at Suzhou Ukada.
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