Shijiazhuang Zhongzheng Technology Co., Ltd.
| Material | Stainless Steel, Carbon Steel |
| Supply Ability | 200 sets / days |
| Applications | Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals |
| Payment Terms | L/C,T/T |
| Delivery Time | 2 months |
| Design Pressure | 0.1-10 Mpa |
| Size | Customized |
| Place of Origin | China |
| Certification | ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 |
| Brand Name | Center Enamel |
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Product Specification
| Material | Stainless Steel, Carbon Steel | Supply Ability | 200 sets / days |
| Applications | Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals | Payment Terms | L/C,T/T |
| Delivery Time | 2 months | Design Pressure | 0.1-10 Mpa |
| Size | Customized | Place of Origin | China |
| Certification | ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 | Brand Name | Center Enamel |
| High Light | cryogenic reactor stainless steel ，cryogenic reactor design principles ，stainless steel tanks applications | ||
What Is a Cryogenic Reactor? Principles, Design & Applications
Answering the core question: What is a cryogenic reactor, and how does it enable chemistry below minus 40 degree C? A cryogenic reactor is a vessel engineered for sub-ambient operation down to minus 196 degree C using liquid-nitrogen (LN2) or chilled brine or glycol jackets. Low-temperature service exploits the ductile-brittle transition: L-grade 304L or 316L steels (carbon below 0.03 percent) retain toughness below minus 100 degree C, while carbon steel would fracture. Cryo units run free-radical polymerizations, organolithium syntheses, and vapor-phase condensation of volatiles at 0.1-10 MPa, with double-wall vacuum or expanded-PE insulation limiting heat leak to below 5 W/m2.
Core Operating Principles of Cryogenic Reactors
Major Types of Cryogenic Reactors
Cryogenic Reactor Methods Comparison Matrix
| Cryo Method | Temp Range | Coolant | Typical Use |
|---|---|---|---|
| LN2 Direct | -80 to -196 degree C | Liquid N2 | Organolithium, RIE |
| Brine/Glycol | -10 to -40 degree C | Chilled fluid | Cryo-polymer, diazotize |
| Vapor Cryo-Cond. | -50 to -100 degree C | Refrigerant | Volatile capture |
| Jacketed CO2 | -20 to -50 degree C | CO2 cycle | Pharma intermediates |
Frequently Asked Questions (FAQ)
Q: What materials are safe below minus 40 degree C?
A: L-grade stainless (304L/316L, C below 0.03 percent) retains toughness below minus 100 degree C; carbon and many alloy steels become brittle and are excluded.
Q: How is such low temperature maintained?
A: LN2 or chilled brine or glycol jackets plus vacuum or foam insulation limit heat leak to under 5 W/m2, holding the setpoint stably.
Q: Why run reactions cryogenically?
A: Low temperature suppresses side reactions, stabilizes reactive intermediates (organolithiums), and improves selectivity in polymerizations.
Q: What pressure can a cryogenic reactor hold?
A: Standard designs cover 0.1-10 MPa; vacuum-jacketed units add an insulated annulus but the process shell still meets ASME pressure rules.
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
100,000,000-200,000,000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank... Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank...
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