1. Indirect Gas Heaters
Indirect Gas Heaters are heating systems that heat gas
without allowing it to come into contact with the combustion products. They are
designed to prevent the gas from directly interacting with the combustion
process and are used in applications where such contact is undesirable.
2. How do Indirect Gas Heaters work?
Indirect Gas Heaters utilize a heat exchanger to transfer
heat from the combustion process to the gas that needs to be heated. The
combustion process takes place in a separate chamber, and the generated heat is
transferred to the gas through the walls of the heat exchanger.
3. Where are Indirect Gas Heaters used?
Indirect Gas Heaters are used in various industries such as
industrial facilities, refineries, energy production, petrochemical plants,
food processing facilities, greenhouse applications, and laboratory operations.
4. What are the advantages and disadvantages of Indirect Gas
Heaters?
Advantages:
- Prevention of product contamination: Indirect Gas Heaters
prevent the gas from coming into direct contact with combustion by-products,
thus eliminating the risk of product contamination.
- High heat transfer efficiency: Well-designed indirect gas
heaters offer high heat transfer efficiency.
- Versatile fuel options: Indirect Gas Heaters can be used
with different types of fuels.
- Flexibility: Indirect Gas Heaters can operate within a
wide range of temperature and capacity requirements.
Disadvantages:
- Need for a secondary heat transfer medium: Indirect Gas
Heaters require a separate heat transfer medium (usually water or thermal oil).
- Additional cost: The use of a secondary heat transfer
medium adds to the overall cost of the heating system.
5. How to select Indirect Gas Heaters?
The selection of Indirect Gas Heaters depends on application
requirements, capacity needs, fuel type, and other factors. Factors to consider
include the properties of the gas to be heated, temperature range, efficiency
requirements, and energy-saving goals.