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 | jacketed reactor design principles ，chemical reactor applications ，jacketed reactor working principles | ||
What Is a Jacketed Reactor? Principles, Design & Applications
Answering the core question: What is a jacketed reactor, and how does its surrounding jacket deliver precise heating and cooling? A jacketed reactor is a vessel wrapped by an outer shell - the jacket - through which heat-transfer fluid circulates to control the reaction temperature within plus or minus 0.5-2 degree C. Jackets raise the effective heat-transfer area by 2-4 times versus internal coils alone, supporting duties from minus 40 degree C cryogenic cooling to 350 degree C thermal-oil heating at design pressures of 0.1-10 MPa. Dimple and half-pipe coil geometries raise the overall coefficient (U) to 150-500 W/m2K, allowing exothermic loads of 50-200 kW to be removed per cubic meter of batch.
Core Operating Principles of Jacketed Reactors
Major Types of Jacketed Reactors
Jacketed Reactor Types Comparison Matrix
| Jacket Type | Construction | Pressure / Temp Range | Heat-Transfer Coefficient U |
|---|---|---|---|
| Dimple Jacket | Spot-welded dimples, single shell | 0.3-1.0 MPa / -40 to 200 degree C | 200-400 W/m2K |
| Half-Pipe Coil | 180 degree pipe sections welded on | 2-6 MPa / -40 to 350 degree C | 300-500 W/m2K |
| Limpet Coil | External serpentine coils | 1-4 MPa / -20 to 300 degree C | 150-350 W/m2K |
| Plain Jacket | Simple annular shell | 0.1-1.0 MPa / 0-200 degree C | 50-150 W/m2K |
Frequently Asked Questions (FAQ)
Q: What is the main advantage of a jacketed reactor over internal coils?
A: The jacket surrounds the entire shell, delivering 2-4 times more heat-transfer area and more uniform wall temperature, which prevents local hot or cold spots that degrade product quality.
Q: Which jacket type handles the highest pressure?
A: Half-pipe coil jackets tolerate 2-6 MPa because each coil is a separate pressure boundary, making them ideal for high-pressure steam or hot-oil heating.
Q: How is temperature held within plus or minus 0.5 degree C?
A: A cascade PID loop reads jacket supply/return and reactor thermowell, modulating control valves on the thermal-fluid skid several times per minute.
Q: What fluids are used inside the jacket?
A: Water-glycol for sub-ambient duty, low-pressure steam for heating to 200 degree C, and thermal oil for 200-350 degree C; selection balances temperature, pressure, and fire-safety limits.
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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