Products
Various heat exchangers in energy market
Cold Box
Complete package of brazed aluminum heat exchanger contained in carbon steel casing with structural support etc. SPP can provide not only heat exchanger itself, but design and sell the complete Cold Box package, this contributes to minimizing work and installation space at commissioning site.
What is Cold Box?
Cold box is a complete package of brazed aluminum heat exchanger contained in carbon steel casing with structural support, insulation containment, and protection for the internal equipment. Insulation work of heat exchanger and piping assembly can be easily done by perlite insulation and inside of cold box will be pressurized and purged by dry nitrogen gas. SPP’s cold box can minimize the installation space at commissioning site by providing the complete unit package of heat exchanger and piping assembly. Also, cold box can be easily installed and easy access to connection piping will reduce the installation work at pre-commissioning.
Nitrogen Purge System:
- Purge inlet nozzle
- Purge Line inside cold box
- Breather Valve on the roof
- Emergency Hatch on the Roof(*)
- Sampling nozzles (*)
- Low Pressure Gauge (*)
(*) not shown in the sketch
Other Accessories:
- Anchor Bolt Set
- Platform and Ladder
- Drain / Vent Lines
- Instrument Lines
- Instruments (Thermocouple, Valve, Orifice, etc)
Achievements
SPP’s Cold Boxes were installed at many countries in the world, and SPP has provided more than 120 cold boxes in the past. They are used as follows;
Applications
- - Air separation
- - Natural Gas Liquefaction
- - Methane Production
- - Ethylene Production
- - Ethylene Recovery Unit
- - BOG Condenser
- - LNG Cold Utilization
etc.
Locations
Japan, South Korea, United States, Canada, Indonesia, Singapore, etc.
Finished Cold Box Example
Installation Example
7.0m×7.5m×19.0m 210ton
6.0m×6.35m×17.5m 127ton
5.4m×3.4m×14.5m 60ton