Preheaters are used to raise the temperature of air, gas, or process feed before they enter the main equipment. In industrial projects, this step directly affects fuel consumption, reaction efficiency, and overall system performance.
At Gelan, we design and manufacture preheaters for air, gas, and process feed, customized based on actual process temperature, pressure, and heat recovery requirements.
Preheaters can be designed for different heating duties, depending on what needs to be heated before the main process. At Gelan, we provide preheaters for air, gas, and process feed based on project temperature, pressure, medium, and available heat source.
Used to raise combustion air temperature before it enters fired heaters, boilers, or other heating equipment.
This helps improve thermal efficiency and reduce fuel consumption.
Used to heat process gas before downstream reaction, combustion, or further treatment.
They help stabilize operating conditions and improve process performance.
Used to preheat liquid or gas feed before it enters reactors or other key process units.
In systems such as SMR, feed preheating supports better heat utilization and smoother downstream operation.
| Item | Typical Range / Option |
|---|---|
| Heating Medium | Air / Gas / Process Feed |
| Heat Source | Flue Gas / Waste Heat / Exhaust Gas |
| Design Temperature | Up to ~900°C |
| Design Pressure | Customized by process requirement |
| Flow Rate | Customized by process duty |
| Allowable Pressure Drop | Defined by system requirement |
| Structure Type | Tubular / Coil / Custom Design |
| Material Options | Carbon Steel / Stainless Steel / High-Temperature Alloys |
| Installation Layout | Horizontal / Vertical / Customized Arrangement |
Preheater selection depends on what you need to heat and where it sits in your process. It may be used for air, gas, or feed before the main equipment. Below are typical systems where Gelan preheaters are commonly applied.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
The preheater uses flue gas heat to warm combustion air before it enters the burner. This helps reduce fuel consumption, improve thermal efficiency, and support more stable heater operation.
Heat recovery performance has a direct impact on fuel consumption and thermal efficiency.
Gelan design approach:
Typical performance:
Helps you cut fuel consumption, reduce heat loss, and improve overall process efficiency.
High-temperature service affects operating stability, material life, and maintenance cost.
Gelan design approach:
Typical performance:
Helps you match materials to your actual process, maintain stable operation, and reduce the risk of early failure.
Uneven heat distribution can lead to hotspots, thermal stress, and reduced equipment life.
Gelan design approach:
Typical performance:
Helps you improve temperature uniformity, protect key components, and support longer service life.
Fouling reduces heat transfer performance and increases cleaning frequency, downtime, and operating cost.
Gelan design approach:
Typical results:
Helps you maintain more stable heat recovery performance and reduce maintenance downtime.
Preheaters are widely used in industries where process heating, energy efficiency, and stable temperature control are critical.
Project characteristics
Gelan solution
Gelan solution
Preheaters are typically used together with other process equipment in heating and heat recovery applications.
High-temperature units where preheated feed gas supports hydrogen production
Recover heat from flue gas and work together with preheaters for energy reuse
Used for gas-side heat transfer and often integrated with preheating or cooling systems
A preheater is used to raise the temperature of air, gas, or process feed before it enters main equipment.
This helps improve energy efficiency, reduce fuel consumption, and stabilize downstream operation.
A preheater is typically installed upstream of key equipment such as fired heaters, boilers, or reactors. Its exact position depends on what needs to be heated and the available heat source.
Tell us your process conditions, and we will design the right preheater for your system.
