(0)F23H:0/0:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
GRATES; CLEANING OR RAKING GRATES
F23H
1/1

F 23 H

 GRATES; CLEANING OR RAKING GRATES

 

 

 
 

 1
/ 00 Grates with solid bars

1
/ 02 • having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports  

1
/ 04 • having a variable burning surface  

1
/ 06 • having bars at different levels (double grates F 23 H 5/00)  

1
/ 08 • Vertical grates  
 

 3
/ 00 Grates with hollow bars

3
/ 02 • internally cooled  

3
/ 04 • externally cooled, e.g. with water, steam, or air  
 

 5
/ 00 Double grates
 

 7
/ 00 Inclined grates (inclined travelling grates F 23 H 11/12)

7
/ 02 • with fixed bars  

7
/ 04 • • in parallel disposition  

7
/ 06 • with movable bars disposed parallel to direction of fuel feeding  

7
/ 08 • • reciprocating along their axes  

7
/ 10 • • rocking about their axes  

7
/ 12 • with movable bars disposed transversely to direction of fuel feeding  

7
/ 14 • • reciprocating along their axes  

7
/ 16 • • rocking about their axes  

7
/ 18 • • reciprocating in an upward direction  
 

 9
/ 00 Revolving grates; Rocking grates (F 23 H 7/00 takes precedence)

9
/ 02 • Revolving cylindrical grates  

9
/ 04 • Grates rocked as a whole  

9
/ 06 • the bars being rocked about axes transverse to their lengths  

9
/ 08 • the bars being rocked about their longitudinal axes  

9
/ 10 • • and modified to move fuel along the grate  

9
/ 12 • the bars being vertically movable in a plane  
 

 11
/ 00 Travelling grates

11
/ 02 • with the bars disposed on transverse bearers  

11
/ 04 • with the bars pivoted at one side  

11
/ 06 • with the bars movable relatively to one another  

11
/ 08 • with several individually-movable grate surfaces  

11
/ 10 • with special provision for supply of air from below and for regulating air supply  

11
/ 12 • inclined travelling grates; Stepped travelling grates  

11
/ 14 • serving as auxiliary grates  

11
/ 16 • for multi-layer stoking  

11
/ 18 • Details  

11
/ 20 • • Driving means  

11
/ 22 • • Moving fuel along grate; Cleaning of grate  

11
/ 24 • • Removal of ashes; Removal of clinker  

11
/ 26 • • • by dumping  

11
/ 28 • • Replaceable burning-surface  
 

 13
/ 00 Grates not covered by any preceding group

13
/ 02 • Basket grates, e.g. with shaking arrangement  

13
/ 04 • Telescoping grates  

13
/ 06 • Dumping-grates  

13
/ 08 • Grates specially adapted for gas generators and also applicable to furnaces  
 

 15
/ 00 Cleaning arrangements for grates (not forming part of the grate F 23 J 1/00 ); Moving fuel along grate (rocking grates modified for moving fuel F 23 H 9/10; for travelling grates F 23 H 11/22)
 

 17
/ 00 Details of grates

17
/ 02 • End fittings on bars  

17
/ 04 • • of travelling grates  

17
/ 06 • Provision for vertical adjustment of grate  

17
/ 08 • Bearers; Frames; Spacers; Supports  

17
/ 10 • • Dead plates; Imperforate fuel supports  

17
/ 12 • Fire-bars