By generated fluid type:
- steam (at the outlet: steam for subsequent generation of electrical power or process requirements)
- hot water (at the outlet: hot water)
- utilizers (behind the gas turbines and in process cycles)
By firing method:
- grate firing
- flaring
- fluidized bed (FB)/circulating fluidized bed (CFB)
By fuel firing type:
- gas-and-oil-burning
- coal-dust
- waste burning
- biofuel-operated boilers
By configuration:
- T-shaped
- U-shaped
- towered-type
- Process solutions
By heat diagram:
By steam parameters:
- subcritical (SBC); pressure: up to 190-200 kg/cm2, temperature: 540-570°С
- supercritical (SPC); pressure: 220-260 kg/cm2, temperature: 540-570°С
- ultra supercritical (USPC); pressure: over 280 kg/cm2, temperature: over 600°С
By air heater type:
- with regenerative air heater
- with tubular air heater
By configuration:
- power
- industrial
- power technology
- waste heat boilers
- Engineering solutions for waste heat boilers (WHB)
By heat diagram:
- single-circuit
- two-circuit
- three-circuit with reheat
- uniflow
- hot water
By general station requirements:
- for variable pressure operation
- for plant steam line operation, including a WHB with a finish burning device FBD
By configuration:
