行业组件数据 · 2026

管束

Tube bundle is a core heat transfer component in shell-and-tube coolers, consisting of multiple tubes arranged in a bundle within a shell to facilitate efficient thermal exchange between fluids.

技术定义与适配语境
典型 管束 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A tube bundle is the primary heat transfer assembly in shell-and-tube coolers, comprising an array of parallel tubes secured within tube sheets and often supported by baffles. It enables thermal energy transfer between two separate fluid streams—one flowing through the tubes (tube-side fluid) and the other around the tubes within the shell (shell-side fluid). The design optimizes surface area for heat exchange while maintaining structural integrity under operational pressures and temperatures.

组件规格

定义
A tube bundle is the primary heat transfer assembly in shell-and-tube coolers, comprising an array of parallel tubes secured within tube sheets and often supported by baffles. It enables thermal energy transfer between two separate fluid streams—one flowing through the tubes (tube-side fluid) and the other around the tubes within the shell (shell-side fluid). The design optimizes surface area for heat exchange while maintaining structural integrity under operational pressures and temperatures.
工作原理
The tube bundle operates on conductive and convective heat transfer principles. Heat flows from the warmer fluid through the tube walls to the cooler fluid. Tube-side fluid flows through the tubes, while shell-side fluid circulates around them, often directed by baffles to enhance turbulence and heat transfer efficiency. The large surface area of multiple tubes maximizes thermal exchange within a compact footprint.
材料
Tubes: Typically copper alloys (e.g.Admiralty brasscupronickel)stainless steel (304316)carbon steelor titanium for corrosion resistance. Tube sheets: Carbon steel or stainless steeloften clad with corrosion-resistant materials. Baffles: Carbon steel or stainless steel. Supports and ties: Stainless steel rods.
Tube OD
12.7 mm to 50.8 mm
Tube Pitch
1.25 to 1.5 times tube OD
Tube Layout
Triangular or square
Tube Length
1.5 m to 6 m
Design Pressure
Up to 100 bar
Number of Tubes
50 to 1000+
Design Temperature
-20°C to 400°C
标准
ISO 16812ASME BPVC Section VIIITEMA Standards

行业分类与别名

管束 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Poor water treatment leading to scaling->Reduced heat transfer efficiency and increased pressure drop->Implement regular chemical treatment and monitoring; schedule mechanical cleaning
Erosion-corrosion from high-velocity fluids->Tube wall thinning and eventual leakage->Use erosion-resistant materials; design for appropriate fluid velocities; install protective sleeves at inlets
Inadequate support allowing flow-induced vibration->Tube fatigue failure at baffle contact points->Optimize baffle spacing and design; use anti-vibration bars; ensure proper tube-to-baffle clearance

工业生态与工程逻辑

0
Tube fouling reduces efficiency
1
Corrosion leading to leaks
2
Tube vibration causing fatigue failure
3
Thermal stress cracking

合规与检测

tolerance
Tube OD tolerance ±0.1 mm; tube length tolerance ±1.5 mm per 3 m; tube sheet flatness within 0.5 mm
test method
Hydrostatic pressure test at 1.5x design pressure; leak testing with helium or air under water; dimensional inspection per TEMA standards

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the purpose of baffles in a tube bundle?

Baffles direct shell-side fluid flow across the tubes, increasing turbulence and heat transfer efficiency while supporting tubes to prevent vibration.

How do you clean a tube bundle?

Cleaning methods include mechanical rodding, high-pressure water jetting, chemical cleaning, and brush systems, depending on fouling type and tube material.

What materials are best for corrosive environments?

Stainless steel (316), titanium, or cupronickel tubes are preferred for high corrosion resistance in aggressive chemical or marine applications.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:CORE_TUBE_BUNDLE