行业组件数据 · 2026

超级绝热层

Advanced multilayer insulation system for cryogenic storage vessels providing ultra-low thermal conductivity.

技术定义与适配语境
典型 超级绝热层 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。

Superinsulation is a specialized thermal insulation component used in cryogenic storage vessels, consisting of multiple alternating layers of highly reflective radiation shields and low-conductivity spacer materials arranged in high-vacuum environments to minimize heat transfer through radiation, conduction, and convection, enabling long-term storage of cryogenic fluids with minimal boil-off losses.

组件规格

定义
Superinsulation is a specialized thermal insulation component used in cryogenic storage vessels, consisting of multiple alternating layers of highly reflective radiation shields and low-conductivity spacer materials arranged in high-vacuum environments to minimize heat transfer through radiation, conduction, and convection, enabling long-term storage of cryogenic fluids with minimal boil-off losses.
工作原理
Operates on the principle of combined heat transfer suppression: 1) Multiple reflective layers (typically aluminum or gold-coated polymer films) reduce radiative heat transfer through successive reflection, 2) Low-conductivity spacer materials (glass fiber, polyester, or ceramic papers) separate layers to minimize solid conduction, 3) High vacuum environment (typically <10^-3 mbar) eliminates gaseous conduction and convection, achieving thermal conductivities as low as 0.0001 W/m·K.
材料
Radiation shields: Aluminum-coated polyester (PET) films (12-25 μm thickness0.03-0.05 emissivity)Gold-coated polyimide films for extreme applicationsSpacer materials: Glass fiber paper (10-50 gsm)Polyester non-woven fabricSilica aerogel-infused materialsEdge sealing: Butyl rubber or epoxy-based barriersSupport structures: Polyimide or fiberglass reinforced frames.
Density
5-20 kg/m³
Layer count
30-100 alternating layers
Vacuum level
<10^-3 mbar
Total thickness
10-50 mm
Radiation heat flux
<1 W/m² at 77K
Compressive strength
0.5-5 kPa
Thermal conductivity
0.0001-0.0005 W/m·K
Operating temperature
-269°C to 100°C
标准
ISO 21014:2019DIN 28400-2ASTM C177EN 14314

行业分类与别名

超级绝热层 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 system leakage->Increased thermal conductivity leading to excessive boil-off->Regular vacuum monitoring, redundant sealing systems, helium leak testing during maintenance
Mechanical compression during installation->Reduced insulation performance due to increased solid conduction->Proper installation procedures, use of compression-resistant spacers, installation training programs
Radiation shield degradation->Increased radiative heat transfer->Use of corrosion-resistant coatings, controlled atmosphere during manufacturing, regular infrared inspection

工业生态与工程逻辑

0
Vacuum degradation over time
1
Mechanical damage during installation/maintenance
2
Radiation shield oxidation
3
Spacer material compression
4
Thermal bridging at penetrations

合规与检测

tolerance
Layer alignment ±1 mm, Vacuum level ±10% of specification, Thermal conductivity ±15% of rated value
test method
Guarded hot plate method (ASTM C177), Heat flux measurement, Vacuum integrity testing (helium mass spectrometry), Cryogenic boil-off testing

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 primary advantage of superinsulation over conventional insulation?

Superinsulation achieves thermal conductivities 10-100 times lower than conventional foam or fiberglass insulation through the combined effect of multiple radiation barriers and high vacuum, significantly reducing boil-off losses in cryogenic storage.

How many layers are typically used in superinsulation systems?

Commercial superinsulation systems typically contain 30-100 alternating layers of radiation shields and spacers, with optimal performance achieved through careful balancing of layer count, material selection, and vacuum quality.

What maintenance is required for superinsulation systems?

Superinsulation requires periodic vacuum integrity checks (typically annually), visual inspection for physical damage during vessel openings, and potential re-evacuation if vacuum levels degrade beyond specified limits.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 超级绝热层

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 超级绝热层?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
起重机轨道梁
下一个组件
跑偏台桌架与结构
URN:CNFX:ME:UNIT:SUPERINSULATION