GB737200A - Improvements in tubulous vapour generating and vapour heating units - Google Patents

Improvements in tubulous vapour generating and vapour heating units

Info

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
Application number
GB3267652A
Inventor
Edward George Hutchings
Alan Frederick Hodgkin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Babcock International Ltd
Original Assignee
Babcock and Wilcox Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Babcock and Wilcox Ltd filed Critical Babcock and Wilcox Ltd
Priority to GB3267652A priority Critical patent/GB737200A/en
Publication of GB737200A publication Critical patent/GB737200A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02Water-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
    • F22B21/04Water-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
    • F22B21/08Water-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
    • F22B21/081Water-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.
GB3267652A 1952-12-23 1952-12-23 Improvements in tubulous vapour generating and vapour heating units Expired GB737200A (en)

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)

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