Electric Air & Process Gas Heaters

Introduction

Our electric air and process gas heaters are designed for efficient heating of air, compressed air, nitrogen, exhaust gas, flue gas, corrosive gas, and other industrial process gases. They provide stable temperature control, efficient heat transfer, and reliable long-term operation for demanding industrial heating applications.

Available as standalone electric heaters or complete heating systems, our solutions can be customized according to gas type, flow rate, inlet and outlet temperature, operating pressure, material requirements, installation method, and control requirements.

Whether used for duct heating, pipeline heating, drying systems, emission treatment, chemical processing, or high-temperature gas heating, Xiangyuan provides engineered electric gas heating solutions for a wide range of industrial processes.

Why Choose Our Electric Air & Process Gas Heaters

✔ Efficient heat transfer for air and process gases
✔ Stable outlet temperature control
✔ Custom designs for flow rate, pressure, and temperature
✔ Stainless steel, high-temperature alloy, and corrosion-resistant material options
✔ Available for duct, inline, flanged, and skid-mounted configurations
✔ Integrated control cabinet and temperature monitoring options
✔ Explosion-proof design available when required

Typical Technical Parameters

The following parameters are for reference only. Final heater design can be customized according to gas medium, flow rate, inlet and outlet temperature, pressure, installation method and control requirements.

Parameter Typical Range / Options
Heating Medium Air, compressed air, nitrogen, exhaust gas, flue gas, corrosive gas, and other process gases
Heating Power 2 kW – 2000 kW, customized according to process requirements
Outlet Temperature Ambient to 750°C for general applications; higher-temperature designs available for special gas and flue gas heating
Operating Pressure Atmospheric pressure to 1.0–2.5 MPa; high-pressure designs available upon request
Temperature Control PID closed-loop control, SCR/thyristor control, PLC control optional
Control Accuracy Typical control accuracy up to ±1°C under suitable process conditions
Heater Materials SS304, SS316L, SS310S, Incoloy 800/840, nickel-based alloys, or selected corrosion-resistant materials
Installation Type Inline, duct-mounted, flanged, vertical, horizontal, or skid-mounted
Safety Protection Over-temperature protection, low-flow protection, pressure monitoring, leakage protection, and interlock control
Explosion-Proof Option Explosion-proof design available for hazardous-area applications

Engineering, Safety & Documentation

Each heater can be engineered according to actual gas conditions, temperature requirements, installation layout, control method, and safety requirements.

1

Heating Element Selection

Heating elements and watt density can be selected according to gas flow, outlet temperature, and operating conditions.

2

Flow & Pressure Drop Review

Heater body, duct connection, or pipeline layout can be designed to balance heating efficiency and acceptable pressure drop.

3

Temperature & Safety Protection

Outlet temperature, element temperature, over-temperature protection, low-flow protection, and system interlock can be configured when required.

4

Project Documentation

General arrangement drawings, wiring diagrams, inspection records, and operation guidance can be provided according to project requirements.

Typical Air & Gas Heating Applications

Xiangyuan electric air and process gas heaters are used in industrial air heating, duct heating, process gas heating, drying equipment, exhaust gas treatment, and high-temperature process applications.

Industrial Air Heating

Electric air heaters for process air heating, ventilation air heating, production equipment, packaging lines, and general industrial hot air applications.

Duct Heating Systems

Electric duct heaters for air ducts, drying lines, air handling equipment, forced-air systems, and custom duct-mounted heating applications.

Process Gas Heating

Inline process gas heaters for nitrogen, compressed air, flue gas, exhaust gas, inert gas, and selected industrial gas heating requirements.

Industrial Drying

Air and gas heating solutions for dryers, ovens, coating lines, textile processing, plastic processing, and continuous manufacturing lines.

Exhaust & Flue Gas Treatment

Electric gas heaters for exhaust gas heating, flue gas heating, VOC treatment, emission control, condensation prevention, and environmental systems.

Chemical Gas Processing

Custom gas heaters for chemical process gas heating, corrosive gas heating, gas preheating, and process temperature maintenance.

Steel & Power Applications

High-temperature air and gas heaters for steel plants, power generation, air preheating, furnace support, and gas preheating systems.

Heating Element Assemblies

Finned tubular heating elements and custom assemblies for duct heaters, air heaters, ovens, dryers, and forced-air heating equipment.

Horizontal electric air heater with terminal enclosure for industrial process air heating

Electric Air Heater

Description

Designed for efficient heating of clean air in industrial process applications. Available as standalone electric air heaters or complete heating systems with integrated controls, blowers, sensors, and temperature management components. Custom designs are available for different airflow rates, outlet temperatures, pressure conditions, and installation layouts.

Applications

Industrial ventilation systems, drying equipment, process air heating, packaging lines, material handling systems, industrial manufacturing, HVAC-related industrial systems, and air preheating applications.

Typical Design Options

Medium: Clean air, process air, preheated air
Installation: Inline, duct-mounted, flanged, or integrated with blower system
Control: Temperature sensor, PID control, control cabinet optional
Materials: Carbon steel, stainless steel, or high-temperature alloy
Customization: Airflow, power, voltage, outlet temperature, and layout can be customized
Horizontal electric inline process gas heater with flanged heating element bundle

Electric Inline Process Gas Heater

Description

Designed for continuous inline heating of air, nitrogen, compressed air, exhaust gas, flue gas, and other process gases in closed pipeline systems.

Also called an electric inline gas heater or electric pipeline gas heater, this unit is installed directly in the gas pipeline or process loop to heat the gas as it flows through the heating chamber.

The heater can be customized with flanged connections, thermal insulation, temperature sensors, control cabinets, pressure monitoring, and material options according to gas composition, flow rate, operating pressure, temperature rise, and installation requirements.

Applications

Pipeline gas heating, process gas preheating, nitrogen heating, compressed air heating, exhaust gas heating, flue gas heating, chemical gas heating, emission treatment systems, and industrial gas processing lines.

Typical Design Options

Medium: Air, nitrogen, compressed air, exhaust gas, flue gas, and other process gases
Structure: Inline pipeline heater, flanged pressure vessel body, insulation layer, and electric heating elements
Control: Outlet temperature control, pressure monitoring, over-temperature protection, low-flow protection, and control cabinet optional
Materials: Carbon steel, SS304, SS316L, SS310S, Incoloy, or corrosion-resistant materials selected by gas composition
Customization: Gas composition, flow rate, operating pressure, temperature rise, flange size, installation direction, and control method

Electric Duct Heater

Description

Designed for heating air and process gases flowing through industrial ductwork. Available as standalone duct heaters or integrated heating units with temperature sensors, control systems, and monitoring devices. Custom designs can be provided for various duct sizes, airflow rates, outlet temperatures, and installation requirements.

Applications

Industrial ventilation, HVAC-related industrial systems, clean rooms, drying systems, process air handling units, environmental control systems, coating lines, and air preheating systems.

Typical Design Options

Medium: Air, process air, ventilation air, and low-pressure process gas
Installation: Rectangular duct, round duct, air handling unit, or custom duct section
Heating Elements: Finned tubular elements, stainless steel elements, or custom electric heating elements
Control: Duct temperature sensor, airflow interlock, staged power control, and control cabinet optional
Customization: Duct size, airflow rate, temperature rise, power, flange layout, and installation direction

Electric Exhaust Gas Heater

Description

Designed for heating exhaust gas and tail gas streams in industrial emission treatment and process systems. Custom designs are available for different gas compositions, flow rates, operating temperatures, pressure levels, and corrosion conditions. The heater can help maintain process temperature, improve treatment efficiency, and support stable operation of downstream equipment.

Applications

Exhaust gas treatment systems, VOC treatment systems, tail gas heating, thermal oxidizers, waste gas combustion units, emission control systems, industrial environmental protection equipment, and chemical exhaust treatment.

Typical Design Options

Medium: Exhaust gas, tail gas, VOC gas, waste gas, and industrial process exhaust
Application: Emission treatment, VOC treatment, tail gas heating, and downstream process temperature maintenance
Materials: Stainless steel, high-temperature alloy, or corrosion-resistant materials selected by gas composition
Protection: Over-temperature protection, low-flow protection, pressure monitoring, and system interlock
Customization: Gas composition, moisture content, corrosiveness, flow rate, outlet temperature, and pressure drop

Corrosion-Resistant Gas Heater

Description

Designed for heating corrosive and aggressive gases using corrosion-resistant wetted materials and custom-engineered structures. Material options can be selected according to gas composition, temperature, pressure, corrosion characteristics, and operating environment to support safe and reliable long-term operation.

Applications

Chemical processing, acid gas handling, specialty gas systems, emission treatment facilities, industrial exhaust systems, corrosive gas processes, and environmental protection equipment.

Typical Design Options

Medium: Corrosive gas, acid gas, aggressive process gas, and chemical exhaust gas
Materials: SS316L, special alloy, nickel-based alloy, or corrosion-resistant materials selected by gas composition
Design Focus: Corrosion resistance, sealing reliability, stable heating, and long-term safe operation
Protection: Temperature protection, pressure monitoring, leakage protection, and process interlock optional
Customization: Gas composition, corrosion level, moisture content, flow rate, pressure, and process temperature
Vertical electric process gas heater for industrial air nitrogen and specialty gas heating

Electric Process Gas Heater

Description

Designed for heating a wide range of industrial process gases with stable temperature control, efficient heat transfer, and reliable performance. Available as standalone heaters or complete heating systems tailored to specific gas compositions, pressures, temperatures, installation methods, and control requirements.

Applications

Hydrogen systems, argon systems, helium systems, carbon dioxide applications, specialty gas processing, chemical production, industrial manufacturing, process heating lines, and high-temperature gas applications.

Typical Design Options

Medium: Hydrogen, argon, helium, carbon dioxide, nitrogen, specialty gas, and other process gases
Structure: Inline, flanged, vertical, horizontal, skid-mounted, or complete heating system design
Control: PID control, SCR/thyristor control, PLC control, remote monitoring, and integrated control cabinet optional
Materials: SS304, SS316L, SS310S, Incoloy, nickel-based alloy, or selected process-compatible materials
Customization: Gas type, gas composition, flow rate, pressure, temperature rise, safety level, and control logic

Electric Flue Gas Heater

Description

Designed for heating flue gas to maintain process temperature, prevent condensation, improve system stability, and support flue gas treatment performance. Available as standalone electric heaters or integrated heating packages for industrial combustion, power generation, waste heat recovery, and emission treatment systems.

Applications

Power plants, boiler flue gas systems, waste heat recovery systems, flue gas treatment systems, emission control facilities, industrial combustion processes, and desulfurization or denitrification support systems.

Typical Design Options

Medium: Flue gas, combustion gas, boiler exhaust gas, and industrial waste heat gas
Function: Temperature maintenance, condensation prevention, flue gas treatment support, and process stabilization
Structure: Inline heater, duct-mounted heater, flanged heater, or integrated heating package
Materials: SS304, SS316L, SS310S, Incoloy, or high-temperature corrosion-resistant materials
Customization: Flue gas temperature, flow rate, duct size, pressure drop, power, and process layout
Vertical ultra-high-temperature electric flue gas heaters for demanding industrial exhaust treatment

Ultra-High-Temperature Electric Flue Gas Heater

Description

Designed for ultra-high-temperature flue gas and process gas heating applications requiring extreme operating temperatures and demanding thermal performance. Custom-engineered designs are available with high-temperature materials, reinforced structures, insulation, temperature monitoring, and control systems to meet specialized industrial requirements.

Applications

High-temperature furnaces, advanced thermal processing, steel and metallurgy, materials processing, energy facilities, industrial combustion systems, high-temperature test systems, and specialty manufacturing processes.

Typical Design Options

Medium: High-temperature flue gas, combustion gas, and special high-temperature process gas
Temperature: High-temperature design customized according to process requirements and operating conditions
Materials: SS310S, Incoloy 800/840, nickel-based alloy, or other high-temperature alloy materials
Insulation: Reinforced thermal insulation, high-temperature sealing, and heavy-duty structural design
Control: Multi-point temperature monitoring, staged power control, SCR/thyristor control, and safety interlock
Flanged electric compressed air heater with removable heating element bundle

Electric Compressed Air Heater

Description

Designed for heating compressed air while maintaining stable pressure, airflow, and process performance. Available as standalone electric heaters or complete compressed air heating systems customized for specific pressure ratings, flow rates, outlet temperatures, installation methods, and control requirements.

Applications

Compressed air systems, pneumatic conveying, industrial drying, packaging equipment, manufacturing processes, air preheating, instrument air systems, and process air applications.

Typical Design Options

Medium: Compressed air, instrument air, process air, and pneumatic system air
Pressure: Customized pressure rating according to compressed air system requirements
Function: Air preheating, drying support, pneumatic process heating, and stable outlet temperature control
Protection: Outlet temperature control, over-temperature protection, pressure monitoring, and low-flow protection
Customization: Pressure, flow rate, temperature rise, connection size, voltage, and control method
Electric nitrogen gas heater with integrated temperature control cabinet for process gas heating

Electric Nitrogen Gas Heater

Description

Designed for precise heating of nitrogen gas in industrial processes requiring stable temperature control, clean operation, and reliable thermal performance. Custom solutions are available for different flow rates, pressures, temperatures, material requirements, and control accuracy.

Applications

Semiconductor manufacturing, electronics production, chemical processing, inert gas systems, heat treatment processes, nitrogen purging systems, battery manufacturing, and specialty gas applications.

Typical Design Options

Medium: Nitrogen gas, inert gas, and clean process gas
Application: Nitrogen purging, heat treatment, semiconductor processing, electronics production, and chemical processes
Materials: Stainless steel, high-cleanliness stainless steel, or selected alloy materials
Control: Stable outlet temperature control, PID control, sensor feedback, and control cabinet optional
Customization: Flow rate, pressure, purity requirement, outlet temperature, connection size, and installation method

AIR & PROCESS GAS HEATING · PROJECT INPUT

Build the Right Air & Gas Heating Solution

Share the key process conditions below. Our engineers use them to size the heater, review pressure drop, select materials, and define the control strategy.

01

Process Gas

  • Gas type and composition
  • Normal / minimum / maximum flow rate
  • Operating pressure and allowable pressure drop
02

Thermal Duty

  • Inlet and required outlet temperature
  • Required heat load or installed power
  • Continuous, intermittent, or cyclic operation
03

Mechanical Design

  • Inline, duct, vertical, horizontal, or skid-mounted
  • Connection standard and available installation space
  • Material, corrosion, and cleanliness requirements
04

Power & Control

  • Voltage, phase, and frequency
  • PID, SCR / thyristor, PLC, or remote control
  • Hazardous-area or explosion-proof requirement