行业组件数据 · 2026

热屏蔽/绝缘层

Thermal insulation component for nitrogen carrier systems that minimizes heat transfer and maintains cryogenic temperatures.

技术定义与适配语境
典型 热屏蔽/绝缘层 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 specialized thermal shield or insulation layer designed for nitrogen carrier machines, engineered to reduce heat ingress through conduction, convection, and radiation. This component maintains the cryogenic temperature of liquid nitrogen during transport and processing by creating a high-performance thermal barrier between the internal cryogenic environment and external ambient conditions. It typically consists of multilayer insulation (MLI) systems, vacuum-insulated panels (VIPs), or aerogel-based materials optimized for industrial cryogenic applications.

组件规格

定义
A specialized thermal shield or insulation layer designed for nitrogen carrier machines, engineered to reduce heat ingress through conduction, convection, and radiation. This component maintains the cryogenic temperature of liquid nitrogen during transport and processing by creating a high-performance thermal barrier between the internal cryogenic environment and external ambient conditions. It typically consists of multilayer insulation (MLI) systems, vacuum-insulated panels (VIPs), or aerogel-based materials optimized for industrial cryogenic applications.
工作原理
Operates on principles of thermal resistance and heat transfer reduction. The insulation layer creates a barrier with low thermal conductivity, often incorporating reflective layers to minimize radiative heat transfer and evacuated spaces or low-conductivity materials to reduce conductive and convective heat flow. In nitrogen carriers, it maintains the liquid nitrogen below its boiling point (-196°C) by minimizing energy transfer from the warmer external environment.
材料
Multilayer insulation (MLI) with alternating reflective layers (aluminum or gold-coated polyester) and spacer materials (fiberglass or polyester netting)vacuum-insulated panels with fumed silica coresaerogel blanketspolyurethane foam with gas barrier layersor perlite powder for interstitial spaces. Materials must have cryogenic compatibilitylow outgassing propertiesand mechanical stability across temperature extremes.
Density
30-200 kg/m³
Thickness
10-100 mm depending on application
Service Life
10-20 years with proper maintenance
Pressure Rating
Full vacuum to 10 bar
Thermal Conductivity
0.015-0.035 W/m·K at 77K
Water Vapor Transmission
<0.05 g/m²·day
Operating Temperature Range
-269°C to +150°C
标准
ISO 21014:2006ISO 8301:1991DIN 28400ASTM C177ASTM C518

行业分类与别名

热屏蔽/绝缘层 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

Vacuum compromise in VIP systems->Increased thermal conductivity leading to rapid nitrogen boil-off->Regular vacuum integrity testing and redundant barrier layers
Physical damage during component replacement->Compromised insulation continuity creating thermal bridges->Protective covers during maintenance and trained installation procedures
Material degradation from thermal cycling->Reduced insulation performance over time->Materials certified for cryogenic cycling and scheduled replacement intervals

工业生态与工程逻辑

0
Thermal degradation over time
1
Vacuum loss in insulated systems
2
Moisture ingress reducing effectiveness
3
Mechanical damage during maintenance
4
Incompatibility with cleaning chemicals

合规与检测

tolerance
Temperature rise not exceeding 0.5°C/day under standard test conditions, dimensional tolerance ±2mm
test method
Guarded hot plate method per ISO 8301, boil-off measurement per ISO 21014, vacuum integrity testing per ASTM D3985

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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 the thermal shield in nitrogen carriers?

To minimize heat transfer from the external environment to the liquid nitrogen, maintaining cryogenic temperatures and preventing excessive boil-off during storage and transport.

How often should thermal insulation be inspected in industrial applications?

Visual inspections should occur quarterly, with comprehensive thermal performance testing annually or whenever temperature fluctuations exceed specified tolerances.

Can different insulation materials be combined in one system?

Yes, hybrid systems combining MLI, aerogel, and vacuum insulation are common for optimizing performance in different temperature zones of the nitrogen carrier.

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CNFX Industrial Component Index · 化学制造

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