The rise of the use in CO2 across a wide array of industries has given way to the widespread use of the CO2 vaporizer. A convenient way for CO2 transportation, and storage, as well as applying CO2 gas, we analyze the basic technical information around the CO2 vaporizer.

What is a CO2 vaporizer and what are they used for?

A CO2 vaporizer is a device conceived to exchange heat through a water-circulating and heating system that converts CO2 liquid into gas. It usually consists of a shell and tube heat exchanger, and it allows for easy, automatic operations in order to be used across diverse industries and sectors. 

The CO2 vaporizer plays a small but not irrelevant role in the CO2 industry, a booming sector valued at USD 7.66 billion in 2019 and expected to grow at a CAGR of 3.4% until 2027, boosted by the demand of key sectors such as the food and beverages, medical and technological industries.

There are many uses and applications for CO2 vaporizers, including:

  • Help in beverage and food processing, facilitating the cleaning of equipment and full rooms.
  • Food preservation through different gas mixtures that contain CO2 as well.
  • Soft drinks industry, which uses CO2 in a big quantity.
  • Transporting CO2 gas. The CO2 vaporizer is the standard way to storage and transport this gas, as it’s converted into liquid.
  • Welding gases, as there are some welding gas mixtures that use a percentage of CO2.

Technical information about CO2 vaporizers

Types of CO2 vaporizers

CO2 vaporizers can be divided into two types:  those that make a direct contact between the gas and the electric resistance, and those that provide a resistance within a water source, so that contact is made between the cold gas and water or water steam. 

 There are also LCO2 vaporizers, a system for turning liquid Carbon Dioxide into gas. They are a complex piece of equipment as it is, but must also be adapted to each of our customers’ circumstances and context.

Components in CO2 vaporizers

Some of the common elements for control and instrumentation of a CO2 vaporizer include: 

  • Temperature switch
  • Pressure switch
  • Water flow switch
  • Shut-off valve
  • Safety valve

Any CO2 vaporizer must be designed to comply with national and international standards and regulations that might be applied in each territory. 

For instance, companies using these devices in European territory must be prepared to comply with PED 2014/68/EU. The Pressure Equipment Directive (PED) was created to generate standards for the design, manufacture and conformity assessment of stationary pressure equipment with a maximum allowable pressure greater than 0,5 bar. This directive, which entered into force in 2016, thus guarantees the free movement of these products while also ensuring a high level of safety.

Related post: LCO2 vaporizer: adaptable high engineering

Power in CO2 vaporizers

CO2 vaporizers’ power might range from 30KW to 100KW, depending on their intended use.

Tailored solutions

When choosing a CO2 vaporizer it’s possible to pick tailored solutions that follow the specific characteristics that a company might need. From design to manufacture, Cryospain takes care of generating the perfect tailored CO2 liquid vaporizer that will meet each client’s requirements. Our work thus consists of adapting design and size to our clients needs, including the power and operativity (manual, semi-manual, automatic…) they might need. 

Alternatives or complementary systems to a CO2 vaporizer

There are other alternatives to the use of a CO2 vaporizer, although they might be more limited depending on the needs of each company and the intended applications for the device.

On the one hand, ambient vaporizers can fulfill similar tasks to a CO2 vaporizer, although these solutions are limited to -20ºC. There are also some complementary products for any CO2 vaporizer, such as the filling rack for the gas cylinder, which is often the next equipment to use. 

If you want to know more about Cryospain’s work on the cryogenic sector, don’t miss the opportunity of downloading our catalogue:


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