GB725583A - Improvements in or relating to tubulous vapour generating and vapour heating units - Google Patents
Improvements in or relating to tubulous vapour generating and vapour heating unitsInfo
- Publication number
- GB725583A GB725583A GB6352/53A GB635253A GB725583A GB 725583 A GB725583 A GB 725583A GB 6352/53 A GB6352/53 A GB 6352/53A GB 635253 A GB635253 A GB 635253A GB 725583 A GB725583 A GB 725583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- burners
- slag
- chamber
- tubes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
- F22G7/14—Steam superheaters characterised by location, arrangement, or disposition in water-tube boilers, e.g. between banks of water tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
725,583. Water-tube steam boilers; steam superheaters. BABCOCK & WILCOX, Ltd. March 6, 1953 [March 6, 1952], No. 6352/53. Classes 123 (2) and 123 (3). A forced circulation water-tube steam boiler comprises a furnace 1 which is fired by pulverised fuel burners 2 and 3 and which is lined with studded, refractory-covered, superheater tubes 12, 17 and 57. The furnace is operated at ash-melting temperature, the slag which deposits on the furnace walls, &c., draining quickly therefrom and passing away through an outlet 35 in the furnace floor 10. The hot gases flow from the furnace through a slag screen 31 of superheater tubes and pass upwardly through a radiation chamber 39 lined with bare steamgenerating tubes the surface temperature of which, at least in the lower part of the chamber, is kept below 320 ‹C. so that any slag adhesions which may occur can be easily dislodged. The gases then flow successively through a lateral pass 41 and downflow and upflow passes 42 and 45 locating a convection superheater, a reheater and an economiser and pass to the stack through air heaters 46 and 48. In the lower part of chamber 39 are located auxiliary burners 52 and associated combustion air nozzles 53 which are used when starting up to avoid damage to the furnace superheater tubes. Burners 52 may also be used during operation to cater for variations in the demand on the unit, the burners 2 and 3 then being regulated in dependence on the final steam temperature.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE725583X | 1952-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB725583A true GB725583A (en) | 1955-03-09 |
Family
ID=6635004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6352/53A Expired GB725583A (en) | 1952-03-06 | 1953-03-06 | Improvements in or relating to tubulous vapour generating and vapour heating units |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB725583A (en) |
-
1953
- 1953-03-06 GB GB6352/53A patent/GB725583A/en not_active Expired
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