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Shijiazhuang Zhongzheng Technology Co., Ltd.

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China What Is a Jacketed Reactor? Principles, Design & Applications
China What Is a Jacketed Reactor? Principles, Design & Applications

  1. China What Is a Jacketed Reactor? Principles, Design & Applications

What Is a Jacketed Reactor? Principles, Design & Applications

  1. MOQ: 1 Sets
  2. Price: 10000 USD
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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 principleschemical reactor applicationsjacketed 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

  • Jacket Heat-Transfer Geometry: Dimple jackets (0.3-1.0 MPa coolant) and half-pipe coils (up to 6 MPa) raise turbulence, lifting U from 50 W/m2K (plain) to 500 W/m2K.
  • Thermal Fluid Selection: Water-glycol (minus 40 to 120 degree C), steam (up to 200 degree C at 1.5 MPa), or thermal oil (to 350 degree C) is chosen by duty; flow velocity above 1.5 m/s avoids stratification.
  • Temperature Control Loop: PID with jacket inlet/outlet sensors and cascade to reactor thermowell holds setpoint within plus or minus 0.5 degree C for pharma and specialty batches.

Major Types of Jacketed Reactors

  • Dimple Jacket Vessels: Laser-welded dimples create turbulent film; cost-effective for 0.5-20 m3 tanks at moderate 0.3-1.0 MPa jacket pressure.
  • Half-Pipe Coil Jackets: Segmented 180 degree coils welded to shell handle 2-6 MPa and severe thermal cycling; preferred for exothermic polymerization.
  • Limpet Coil (External Coil): Dual coils (heat/cool) on external shell for 50-200 m3 large reactors where full jacket is uneconomic.

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

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 from Quality China Factory
  • 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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  • Shijiazhuang Zhongzheng Technology Co., Ltd.
  • No.5 Shouzhou East Road, Hebei Zhengding Hi-Tech industrial Development Zone, Shijiazhuang, China
  • https://www.cecvessel.com/

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