GB1305084A - - Google Patents

Info

Publication number
GB1305084A
GB1305084A GB889570A GB889570A GB1305084A GB 1305084 A GB1305084 A GB 1305084A GB 889570 A GB889570 A GB 889570A GB 889570 A GB889570 A GB 889570A GB 1305084 A GB1305084 A GB 1305084A
Authority
GB
United Kingdom
Prior art keywords
wall
offtake
feb
shaft
plenum chamber
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
GB889570A
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 filed Critical
Publication of GB1305084A publication Critical patent/GB1305084A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

1305084 Cupola furnaces AMERICAN AIR FILTER CO Inc 24 Feb 1970 [24 Feb 1969] 8895/70 Heading F4B A cupola furnace comprises a waste gases offtake 6 and a removable cover 18 sealing the shaft 2 and supported by a counterweighted cantilever 11 carrying an upper wall 9, said wall 9 incorporating a peripheral wall 26 with flange 27 sealing against flange 28 on said shaft 2 and thus definining a plenum chamber 23, which, when placed under suction, will remove gases leaking through the seals. Lugs 17 depending from wall 9 engage pairs of upstandlugs 21 on cover 18 and are connected thereto by pins 22 extending through slots 19. A connection (31, Fig. 1) from the plenum chamber extends to a point in the gas system down stream of the offtake 6 where the pressure is less than atmospheric, e.g. between a quencher and a scrubber.
GB889570A 1969-02-24 1970-02-24 Expired GB1305084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80166669A 1969-02-24 1969-02-24

Publications (1)

Publication Number Publication Date
GB1305084A true GB1305084A (en) 1973-01-31

Family

ID=25181741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB889570A Expired GB1305084A (en) 1969-02-24 1970-02-24

Country Status (4)

Country Link
US (1) US3588068A (en)
JP (1) JPS4813202B1 (en)
DE (1) DE2007720C3 (en)
GB (1) GB1305084A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL154784B (en) * 1972-12-22 1977-10-17 Hoogovens Ijmuiden Bv EXHAUST VALVE FOR A HIGH OVEN
JPS5171204A (en) * 1974-12-17 1976-06-19 Kubota Ltd Kinzokusonyubutsuno yokaisochi
JPS633209U (en) * 1986-06-26 1988-01-11
CA2082556A1 (en) * 1992-11-10 1994-05-11 Sam Mccullough Explosion dampener
NO322323B2 (en) * 2003-12-01 2016-09-13 Unodrill As Method and apparatus for ground drilling

Also Published As

Publication number Publication date
DE2007720A1 (en) 1970-09-03
DE2007720C3 (en) 1978-11-23
DE2007720B2 (en) 1978-03-23
JPS4813202B1 (en) 1973-04-26
US3588068A (en) 1971-06-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee