GB737200A - Improvements in tubulous vapour generating and vapour heating units - Google Patents
Improvements in tubulous vapour generating and vapour heating unitsInfo
- Publication number
- GB737200A GB737200A GB3267652A GB3267652A GB737200A GB 737200 A GB737200 A GB 737200A GB 3267652 A GB3267652 A GB 3267652A GB 3267652 A GB3267652 A GB 3267652A GB 737200 A GB737200 A GB 737200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- steam
- reheater
- gases
- pass
- 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
- F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
- F22B21/04—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
- F22B21/08—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends
- F22B21/081—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends involving a combustion chamber, placed at the side and built-up from water tubes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
737,200. Water-tube steam boilers; steam superheaters. BABCOCK & WILCOX, Ltd. Dec. 18, 1953 [Dec. 23, 1952], No. 32676/52. Classes 123 (2) and 123 (3). A water-tube steam &c. boiler especially for marine use has two furnace chambers 1, 3 lined with refractory covered steam generating tubes and fired respectively by burner groups 8, 12 through ports 7, 9 in the front wall of the unit, the gases from furnace 1 discharging laterally through a screen 47 of generating tubes into parallel gas passes 13, 15 separated by a passage. way 17 and leading to a common uptake 19 in which is disposed an economizer 20. The gas flow through each pass 13, 15 is controlled by dampers 21 at their respective outlets into uptake 19. The passes 13, 15 locate respectively the sections 25 and 27 of a convection steam generating tube bank 23, the tubes of which extend between a water drum 31 and a steam and water drum 29, the latter also receiving the output from the furnace lining tubes which extend from lower headers 75 and 115. Between the screen 47 and the tube bank 25, pass 13 locates a superheater 33. The gases from furnace 3 also discharge laterally through a screen 60 behind which is disposed a reheater 53, the gases, after traversing the reheater, flowing through passageway 17 into a turning space 151 which serves to direct them into pass 15 and thence to uptake 19. During normal operation, both furnaces are fired, the steam output and reheat temperature being respectively regulated by adjustment of the firing rate of burners 8, 12 whilst the superheat temperature is regulated by control of dampers 21. During manoeuvring, furnace 1 is worked to give a substantial output of steam with little or no superheat whilst furnace 3 and reheater 53 are inoperative, the safety of the reheater being ensured since it is screened from furnace 1 and is not subjected to gas flow. During starting, furnace 1 only is fired, dampers 21 of pass 13 being closed to prevent damage to the superheater. In modified forms of the unit (Figs. 5-9, not shown) furnaces 1 and 3 are disposed side by side, the gases from furnace 3 flowing into furnace 1 after passing through a screened reheater.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3267652A GB737200A (en) | 1952-12-23 | 1952-12-23 | Improvements in tubulous vapour generating and vapour heating units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3267652A GB737200A (en) | 1952-12-23 | 1952-12-23 | Improvements in tubulous vapour generating and vapour heating units |
Publications (1)
Publication Number | Publication Date |
---|---|
GB737200A true GB737200A (en) | 1955-09-21 |
Family
ID=10342337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3267652A Expired GB737200A (en) | 1952-12-23 | 1952-12-23 | Improvements in tubulous vapour generating and vapour heating units |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB737200A (en) |
-
1952
- 1952-12-23 GB GB3267652A patent/GB737200A/en not_active Expired
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