行业组件数据 · 2026

支撑环

Support ring for ammonia synthesis catalyst bed support grid in high-pressure reactors

技术定义与适配语境
典型 支撑环 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。

A critical structural component designed to provide radial support and load distribution for catalyst bed support grids in ammonia synthesis reactors, ensuring proper catalyst bed stability under high-pressure and high-temperature operating conditions while maintaining gas flow distribution.

组件规格

定义
A critical structural component designed to provide radial support and load distribution for catalyst bed support grids in ammonia synthesis reactors, ensuring proper catalyst bed stability under high-pressure and high-temperature operating conditions while maintaining gas flow distribution.
工作原理
Distributes mechanical loads from catalyst bed weight and process pressure across the reactor shell, prevents catalyst particle migration, maintains structural integrity of support grid assembly, and allows uniform gas flow through catalyst bed by providing stable mounting surface for support grids.
材料
High-temperature alloy steel (typically ASTM A387 Grade 11/22AISI 321/347 stainless steelor Inconel 600/625 for corrosive environments)with material selection based on operating temperature (400-550°C)pressure (150-300 bar)and hydrogen/nitrogen/ammonia environment compatibility.
ID
750-2950 mm
OD
800-3000 mm
Height
50-150 mm
Thickness
20-50 mm
Concentricity
±1.0 mm
Load Capacity
50-200 tons
Surface Finish
Ra 3.2 μm max
Flatness Tolerance
±0.5 mm
Operating Pressure
150-300 bar
Operating Temperature
400-550°C
标准
ISO 9001ASME BPVC Section VIIIEN 13445API 620

行业分类与别名

支撑环 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

Material degradation from hydrogen embrittlement->Crack propagation leading to structural failure->Use hydrogen-resistant alloys, implement regular NDT inspections, maintain proper operating temperature ranges
Thermal cycling stress->Fatigue cracking at weld joints or stress concentration points->Design with gradual thermal transitions, use stress-relieved materials, implement controlled startup/shutdown procedures
Improper installation or alignment->Uneven load distribution causing grid deformation->Use precision alignment tools during installation, verify flatness and concentricity, follow manufacturer installation procedures

工业生态与工程逻辑

0
Stress corrosion cracking in hydrogen environment
1
Thermal fatigue from temperature cycling
2
Creep deformation at high temperatures
3
Improper load distribution causing grid failure
4
Material embrittlement from long-term hydrogen exposure

合规与检测

tolerance
Dimensional tolerances per ASME Y14.5, flatness within ±0.5 mm, concentricity within ±1.0 mm, surface finish Ra ≤ 3.2 μm
test method
Ultrasonic testing for material integrity, dimensional verification with laser scanning, pressure testing per ASME BPVC, material certification per ASTM/EN standards, hydrogen compatibility testing

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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 primary function of a support ring in ammonia synthesis reactors?

The support ring provides structural support to the catalyst bed grid system, distributing mechanical loads from the catalyst weight and process pressure while maintaining proper gas flow distribution through the catalyst bed.

What materials are commonly used for ammonia synthesis support rings?

High-temperature alloy steels like ASTM A387 Grade 11/22, stainless steels (AISI 321/347), or nickel alloys (Inconel) are used depending on operating conditions, with selection based on temperature resistance, pressure capability, and corrosion resistance in hydrogen-rich environments.

How does the support ring affect catalyst bed performance?

Proper support ring design ensures uniform load distribution, prevents catalyst particle migration, maintains bed stability during thermal cycling, and enables optimal gas flow patterns for maximum ammonia conversion efficiency.

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URN:CNFX:ME:UNIT:SUPPORT_RING