行业组件数据 · 2026

管壁

Catalyst tube wall component for high-temperature chemical reactors in industrial manufacturing.

技术定义与适配语境
典型 管壁 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

The tube wall is a critical cylindrical component of catalyst tubes used in chemical reactors, designed to contain catalyst materials and withstand extreme temperatures, pressures, and corrosive environments during catalytic processes like steam reforming, ammonia synthesis, or ethylene production.

组件规格

定义
The tube wall is a critical cylindrical component of catalyst tubes used in chemical reactors, designed to contain catalyst materials and withstand extreme temperatures, pressures, and corrosive environments during catalytic processes like steam reforming, ammonia synthesis, or ethylene production.
工作原理
Provides structural containment for catalyst materials while facilitating heat transfer from external furnace to internal catalyst bed, maintaining temperature gradients for optimal catalytic reactions, and containing high-pressure process gases.
材料
High-temperature alloys (Inconel 600/800HHK-40HP-modified)stainless steels (304H316H)or specialized creep-resistant steelsoften centrifugally cast with specific wall thickness tolerances.
Length
6-15 meters
Diameter Range
50-200 mm
Surface Finish
Ra ≤ 3.2 μm
Wall Thickness
5-25 mm
Pressure Rating
15-40 bar
Operating Temperature
800-1100°C
标准
ISO 9330-1DIN 17175ASTM A608

行业分类与别名

管壁 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

Excessive operating temperature beyond material limits->Creep rupture and tube bulging->Implement temperature monitoring with thermocouples and maintain below maximum design temperature
Cyclic thermal stresses from startup/shutdown->Thermal fatigue cracks initiating at inner wall->Control heating/cooling rates and use materials with better thermal fatigue resistance
Carbon penetration in reducing atmospheres->Carburization leading to embrittlement and reduced ductility->Use high-nickel alloys with protective oxide layers or apply internal coatings

工业生态与工程逻辑

0
Creep deformation at high temperatures
1
Carburization/oxidation
2
Thermal fatigue cracking
3
Hot corrosion from process gases

合规与检测

tolerance
Wall thickness: ±10% of nominal, Diameter: ±1.5% of nominal, Straightness: ≤0.2% of length
test method
Ultrasonic thickness testing, radiographic examination, hydrostatic pressure testing at 1.5x design pressure, metallographic analysis for microstructure

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 materials are best for catalyst tube walls in high-temperature applications?

High-nickel alloys like Inconel 800H or HP-modified alloys offer optimal creep resistance and carburization resistance above 900°C.

How does wall thickness affect catalyst tube performance?

Thicker walls increase pressure containment but reduce heat transfer efficiency; optimized thickness balances mechanical strength with thermal conductivity.

What standards govern catalyst tube wall manufacturing?

ISO 9330-1 for dimensions, DIN 17175 for material requirements, and ASTM A608 for centrifugal casting of high-temperature alloys.

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CNFX Industrial Component Index · 化学制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:TUBE_WALL