GB1118941A - Improvements in underfeed stokers - Google Patents

Improvements in underfeed stokers

Info

Publication number
GB1118941A
GB1118941A GB1974365A GB1974365A GB1118941A GB 1118941 A GB1118941 A GB 1118941A GB 1974365 A GB1974365 A GB 1974365A GB 1974365 A GB1974365 A GB 1974365A GB 1118941 A GB1118941 A GB 1118941A
Authority
GB
United Kingdom
Prior art keywords
duct
tube
aperture
screw
air
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
GB1974365A
Inventor
John Paton Lauder
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.)
HODGKINSON BENNIS Ltd
Original Assignee
HODGKINSON BENNIS 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 HODGKINSON BENNIS Ltd filed Critical HODGKINSON BENNIS Ltd
Priority to GB1974365A priority Critical patent/GB1118941A/en
Publication of GB1118941A publication Critical patent/GB1118941A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/10Under-feed arrangements
    • F23K3/14Under-feed arrangements feeding by screw

Abstract

1,118,941. Underfeed stokers; preventing emission of smoke. HODGKINSON BENNIS Ltd. 10 May, 1966 [11 May, 1965], No. 19743/65. Heading F4B. An underfeed stoker comprises a screw 6 operating in a tube 14 extending from the firepot 4 across the bottom of a fuel hopper 8. The tube encloses the part of screw 6 within the hopper save for an aperture 16 in the tube 14. Air is fed to the fire-pot from a duct 24, a secondary air duct 34 and an air duct 30 extending from the upper part of the forced draught duct 24, the inlets to the ducts 30, 34 facing the direction of air flow in the duct 24 and being controlled by sliding dampers. The screw 6 may have a portion of reduced diameter adjacent the aperture 16, and the tube 14 may be rotated to vary the effective size of the aperture 16.
GB1974365A 1965-05-11 1965-05-11 Improvements in underfeed stokers Expired GB1118941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1974365A GB1118941A (en) 1965-05-11 1965-05-11 Improvements in underfeed stokers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1974365A GB1118941A (en) 1965-05-11 1965-05-11 Improvements in underfeed stokers

Publications (1)

Publication Number Publication Date
GB1118941A true GB1118941A (en) 1968-07-03

Family

ID=10134467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1974365A Expired GB1118941A (en) 1965-05-11 1965-05-11 Improvements in underfeed stokers

Country Status (1)

Country Link
GB (1) GB1118941A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509434A1 (en) * 1980-06-02 1983-01-14 Cottrell Tech Res Inc Method and apparatus for the recirculation of carbon gas in a solid fuel boiler and boiler using the same
GB2139603A (en) * 1983-05-12 1984-11-14 Holden William J Solid-fuel feed auger
WO1995017627A1 (en) * 1993-12-23 1995-06-29 Ek Teknik Utveckling Ab A stoker for burning solid fuel
EP1396680A1 (en) * 2002-09-06 2004-03-10 Roth Industry GmbH & Co. Pellets storage and feeding assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509434A1 (en) * 1980-06-02 1983-01-14 Cottrell Tech Res Inc Method and apparatus for the recirculation of carbon gas in a solid fuel boiler and boiler using the same
GB2139603A (en) * 1983-05-12 1984-11-14 Holden William J Solid-fuel feed auger
WO1995017627A1 (en) * 1993-12-23 1995-06-29 Ek Teknik Utveckling Ab A stoker for burning solid fuel
EP1396680A1 (en) * 2002-09-06 2004-03-10 Roth Industry GmbH & Co. Pellets storage and feeding assembly

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