F-Term-List

F27B5/00-7/42

AA00
TYPES AND FORMS OF FURNACES

AA01

AA02

AA03

AA04

AA05

AA07

AA08

AA09

AA10

. Heat furnaces and heat-treatment furnaces (i.e., not including rotary furnaces)

. Melting furnaces and fusion furnaces (i.e., not including rotary furnaces)

. Sintering furnaces and baking furnaces (i.e., not including rotary furnaces)

. Fluidized bed furnaces

. Electric furnaces (i.e., not including rotary furnaces)

. Rotary furnaces

. . Rotary kilns

. . Rotary melting furnaces

. . Rotary-bed furnaces

BA00
OBJECTS TO BE TREATED

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

BA09

. Cement

. Metals

. Earth

. Pellets for pig iron (i.e., including iron ore)

. Limestone and dolomite

. Coal

. Plastic

. Crude oil

. Ceramics (i.e., including porcelain materials)

BA11

BA12

. Semiconductor wafers

. Burned ash and solid waste

CA00
FURNACE-BODY STRUCTURES

CA01

CA02

CA03

CA04

CA05

CA06

CA08

CA09

. Furnace bodies that are equipped with retorts

. . Rotary retorts

. . Non-moving retorts

. . Joint structures of retorts

. . Retorts that are equipped with airtight covers

. . Oxidized substances adhered to retort surfaces

. Furnace bodies with muffles

. . Muffle-support structures

CA11

CA12

CA13

CA14

CA16

CA17

CA18

CA19

CA20

. Structural materials of retorts and muffles

. . Heat-resistant steel

. . Ceramics (i.e., including quartz)

. . Heat-resistant glass

. Support devices for rotary cylinders

. Refractory-lining structures

. Change of the furnace profile

. Cooling structures of furnaces

. Structures for prevention of warping of the furnace

CA21

CA23

CA25

CA27

CA29

. Seal structures for furnace bodies

. Rotary drums with an inclined movement

. Structures of two or more connected rotary drums

. Arrangement of multiple chambers within rotary drums by means of walls and small-diameter tubes

. Furnace interiors that are equipped with weirs

DA00
FURNACE-HEATING DEVICES AND HEAT SOURCES

DA01

DA02

DA03

DA05

DA07

DA09

DA10

. Burner combustion

. . Heavy oil

. . Gas

. Electric power

. Combustion waste gas

. Radiation and conduction

. Blowing devices and methods for supply of combustion air and reduction gases

EA00
DEVICES FOR THE CHARGING, TRANSFER AND AGITATION WITHIN FURNACES, AND EXTRACTION OF SUBSTANCES TO BE TREATED

EA01

EA02

EA03

EA04

EA06

EA07

EA08

EA10

. Pushers

. Rolls

. Rotary blades

. Oscillating transfer pipes and conveyance

. Devices that are equipped with an agitation means

. . Blade structures

. . Devices that are structured of refractory materials

. Devices for support of substances to be treated in furnace interiors

FA00
FURNACE OPERATION

FA01

FA02

FA03

FA04

FA05

FA06

FA07

. Prevention of adhesion of substances to be treated

. Collection of valuable substances

. Re-combustion treatment of the waste gases of combustion

. Energy conservation (i.e., including conservation by furnace reconstruction)

. Oil removal

. Prevention of pollution

. Heat treatment for semiconductor wafers

FA11

FA12

FA13

FA14

. Atmospheres in furnace interiors

. . Vacuums

. . Inert gases

. . Diffusion of atmospheric gas

GA00
DETECTION AND CONTROL

GA01

GA02

GA03

GA04

GA05

GA06

GA08

GA09

GA10

. Detection and control related to furnace operation

. . Furnace temperature (i.e., including combustion gases)

. . Atmosphere and gas-ratio within furnaces

. . Pressure within furnaces

. . Time of presence of charging substances within furnaces

. . Product heating condition

. Detection and control of furnace accidents and damage

. Detection and control for furnace maintenance and protection

. Detection and control related to equipment attached to furnaces

HA00
ACCESSORY EQUIPMENT FOR FURNACES

HA01

HA03

HA05

HA07

HA09

. Sampling devices

. Calcination and preheating devices

. Waste-gas treatment equipment

. Protection and cleaning devices for furnace equipment

. Devices for cooling of objects to be treated

4K061	Muffle furnaces and rotary kilns
	F27B5/00 -7/42