Fired process heater with a manifold support assembly
The introduction of a manifold support assembly in fired heaters addresses the issue of sagging and integrity loss in radiant coil assemblies by using process fluid cooling, enhancing durability and safety.
WO2026128543A1PCT designated stage Publication Date: 2026-06-18ZEECO INC
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- ZEECO INC
- Filing Date
- 2025-12-10
- Publication Date
- 2026-06-18
AI Technical Summary
⚠Technical Problem
Conventional process tube supports in fired heaters experience creep and integrity loss due to high temperatures, leading to sagging and potential safety hazards from flame impingement, as they lack external cooling and are prone to failure.
⚗Method used
A manifold support assembly is introduced to support the radiant coil assembly, allowing process fluid to flow through and cool the assembly, mitigating sag and maintaining mechanical integrity by absorbing heat.
🎯Benefits of technology
The manifold support assembly extends the lifespan of the radiant coil assembly by cooling and stabilizing it within the high-temperature environment, preventing sag and potential safety hazards.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure US2025058896_18062026_PF_FP_ABST
Abstract
A fired process heater (100) includes a radiant coil assembly (202) having a radiant coil bundle (304) with a radiant coil bundle inlet (306) and a radiant coil bundle outlet (308), and a manifold support assembly (326) fluidly connected to and configured to support the radiant coil assembly (202). The manifold support assembly (326) has a manifold support inlet (328), a manifold support outlet (330), and a manifold support flow path in fluid communication with a manifold support coil bundle (334). The process fluid flows through both the radiant coil assembly (202) and the manifold support assembly (326), with the manifold support assembly (326) cooled by heat transfer from the process fluid while mechanically supporting the radiant coil bundle (304). Methods are disclosed in which the process fluid flows in either a downstream sequence through convection (238), radiant (202), then manifold support (326), or an upstream sequence through manifold support (326), convection (238), then radiant (202).
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