F-Term-List

F22B1/18@A-1/18@C;35/00-35/18

AA00
BOILER TYPES

AA01

AA02

AA03

AA04

AA05

AA08

. Circulation types

. . Natural-circulation types

. . Forced-circulation types

. Once-through types

. Types that are not specifically circulation types or once-through types

. Other boiler types

BA00
HEATING SOURCES

BA01

BA02

BA03

BA08

. Use of coal only

. Use of fuels that are a mixture of solids and liquids

. Use of waste gases

. Other heating sources

CA00
OPERATION MODES

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA10

. Starting or stopping

. Operation when abnormalities occur

. . Load reduction

. . Operation of forced circulation boilers (FCB)

. . Stopping when accidents occur (i.e., tripping)

. Operation after a normal operating load has been attained

. . Variable pressure

. . Constant pressure

. Other operations

DA00
OBJECTS TO BE DETECTED

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

DA09

. Heated-media

. . Steam

. . . Amount of steam

. . . Pressure of steam

. . . Temperature of steam

. . Water supply

. . . Amount of water supplied

. . . Temperature of water supplied

. . Spraying

DA12

DA13

DA14

DA15

. . Fluids inside gas-water-separation tanks (i.e., drums, separators, and flash process)

. . . Water level

. . . Temperature

. . . Pressure inside the tank

DA21

DA22

DA23

DA24

DA25

DA26

DA27

DA28

. Combustion systems

. . Pressure inside the furnace

. . Temperature inside the furnace

. . Temperature of the wall pipes inside the furnace

. . Air (i.e., amount, temperature, pressure, and the like)

. . Fuels (i.e., amount, temperature, and the like)

. . Recirculation gases (i.e., amount, temperature, and the like)

. . Exhaust gases from boilers (i.e., temperature, oxygen (O2) concentration, and the like)

DA31

DA38

. Load commands from the user

. Other objects to be detected

EA00
CONTROL METHODS

EA01

EA02

EA04

. Forecasting control

. Learning control

. Other control methods

FA00
OBJECTS TO BE OPERATED

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

. Heated media

. . Steam (i.e., amount, pressure, and the like)

. . Amount of water supplied

. . Selection of flow paths of heated media

. . . Turbine bypasses

. . . Superheater bypasses or reheater bypasses

. . . Furnace bypasses

. . Amount of spraying

FA11

FA12

FA13

FA14

FA15

FA16

. Combustion systems

. . Fuels (i.e., amount, temperature, and the like)

. . Amount of air

. . Exhaust gases from boilers (e.g., induced draft fans (IDF) and operation of the furnace-exhaust-gas damper)

. . Amount of recirculation gases

. . Selection of the flow paths of combustion gases

FA21

FA28

. Number of boilers operated

. Other objects to be operated

3L021	Control of steam boilers and waste-gas boilers
	F22B1/18@A -1/18@C;35/00-35/18