CORRESIC® Silicon carbide shell and tube heat exchangers

Shell and tube heat exchangers

SiC shell and tube heat exchangers are adapted to the cooling, condensation, heating, evaporation and absorption of highly corrosive chemicals. Silicon carbide shell and tube heat exchangers consist in a bundle of silicon carbide tubes inside a shell. One fluid runs through the tubes and another fluid flows over the tubes (through the shell). The heat is transferred by conduction through the silicon carbide tube wall, without direct contact between the fluids.

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Materials:

  • CORRESIC® pressureless sintered silicon carbide tubes
  • PFA lined tube sheets
  • FFKM O’ring gaskets on process side
  • FKM or FFKM O’ring gaskets on service side
  • Glass lined steel, PTFE lined steel or glass headers or shell on process side
  • Carbon steel, stainless steel, glass lined steel, PTFE lined steel or glass headers or shell on service side
  • Tie rods, nuts, bolts, washers: stainless steel

Design:

  • Universally corrosion resistant silicon carbide (SiC) tubes
  • PFA lined tube sheets
  • Unique sealing system with FFKM and FKM O’ring gaskets
  • Outstanding thermal conductivity
  • Adjustable number of tubes, size, length, and number of passes on both sides
  • Shell diameter from 100 to 400 mm
  • 14, 19 or 25 mm Ø tubes
  • 1000 mm to 4500 mm long tubes
  • Glass lined steel, PTFE lined steel, or glass for the shell or headers on process side
  • Carbon steel, stainless steel, glass lined steel, PTFE lined steel, or glass for the shell or headers on service side
  • Unique, ultra-safe and reliable triple tube sheet / double sealing system 

Key Features:

  • Design pressure: -1 barg (full vacuum) to +10 barg
  • Design temperature: -30 to +220°C (-22 to 428°F)
  • Heat transfer area: 0,4 to 42 m2 (4 to 452 ft2)
  • Design: according to European PED, ASME code, Chinese Pressure Vessel code and other national pressure vessel codes on request

Key Benefits:

  • Universal corrosion resistance against acids, alkalis and oxidizing media
  • Ultra-corrosive media either in or outside the tubes
  • Possibility to have ultra-corrosive media on both sides.
  • Superior heat transfer performance thanks to adjustable cross sections on both sides that guaranty a high level of turbulence
  • High operational safety
  • Highly reliable equipment therefore low cost of ownership and low maintenance cost
  • Extreme purity of silicon carbide
  • Wide range of materials of construction for the shell and the headers
  • Compact and robust design
  • Short lead time
  • Long lifetime

Optional features:

  • Sight glass
  • Cleaning in place
  • Twisted tapes for performance enhancement

Main applications:

  • Condensation of ultra-corrosive and oxidizing vapors in multipurpose units
  • Cooling or heating of ultra-corrosive and oxidizing liquids
  • Suited for multi and single purpose units

Technical documentation

 

application/pdf
TI049-EN Sealing System Configuration for SR Series SiC Shell & Tube Heat Exchangers

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TI050-EN Turbulence Modules for Silicon Carbide Shell & Tube and Block Heat Exchangers

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TI051-EN Two-Stage CORRESIC® Shell & Tube Condenser

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WS3550-Form-EN Questionnaire for SiC Heat Exchangers

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WS4530-EN Risk Analysis for CORRESIC® SE Type Heat Exchanger according to PED 2014-68-EU

Shell and tube heat exchangers

Their modular and versatile design allows very efficient heat transfer thanks to adjustable cross sections on both sides that guaranty a high level of turbulence.

The thermal performance of shell and tube heat exchangers can vary significantly. It is therefore essential to select the type and size of shell and tube heat exchangers (tube count, tube diameter, tube length, pitch, baffle count, opening) that is the most adapted to the specific application and industrial process. There are a number of considerations including flow rate, pressure drop, design pressure and temperature, materials compatibility, fouling, and many more that should be taken in account.

GAB Neumann’s silicon carbide shell and tube heat exchangers SR series

GAB Neumann’s silicon carbide shell and tube heat exchangers are designed to condense, cool down, heat up, evaporate or absorb ultra-corrosive and/or oxidizing fluids. Safety, reliability, and performance on the long-term are our primary considerations when we size, design and manufacture SiC shell and tube heat exchangers.

Our extended and highly customizable silicon carbide shell and tube heat exchangers portfolio enables us to provide particularly adapted solutions to the most complex heat transfer challenges. All our SiC shell and tube heat exchangers designs are totally modular to best fit with individual process specification. The number, length and diameter of tubes as well as the number of passes both on process and service sides can be adapted to best meet the velocities, pressure drops, and heat transfer requirements.

On request, they can be fitted with optional features such as sight glasses and cleaning in place.

Our SiC shell and tube heat exchangers are all fitted with GAB Neumann’s unique and upmost reliable triple tube sheet double O’ring gasket sealing system that guaranties the performance of the equipment on the long term.

Industrial processes:

  • Crop protection
  • Explosives
  • Fine chemicals
  • Active pharmaceutical ingredients
  • Stainless-steel pickling
  • Fire retardants
  • Flavors and fragrances
  • Vitamins
  • Polycarbonate
  • Coagulants
  • Treatment, purification and concentration of spent acids
  • Manufacturing of ultra-pure acids for electronic applications
  • and many more…

GAB Neumann GmbH

Alemannenstrasse 29

79689 Maulburg

Germany

Tel: +49 (7622) 6751 0

Fax: +49 (7622) 6751 20

info@gab-neumann.de

GAB Neumann GmbH | Alemannenstrasse 29 | D-79689 Maulburg | Phone +49 (7622) 6751 0 | Fax +49 (7622) 6751 20 | E-Mail info@gab-neumann.de | www.gab-neumann.com

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