US130652A - Improvement - Google Patents

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US130652A
US130652A US130652DA US130652A US 130652 A US130652 A US 130652A US 130652D A US130652D A US 130652DA US 130652 A US130652 A US 130652A
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Prior art keywords
charger
furnace
plates
improvement
lid
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/18—Bell-and-hopper arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/20—Arrangements of devices for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/10—Charging directly from hoppers or shoots
    • F27D2003/105—Charging directly from hoppers or shoots using shutters

Definitions

  • a in the drawing represents the upper chargin vessel or hopper to a blastfurnace of suitable kind.
  • This vessel is made of cylindrical, truncated, conical, or other suitable form and suitable size, of brick, metal, or other material.
  • a b When made of metal I prefer to construct it with double walls, a b, as shown in Fig. 1, in order to prevent overheating of the contents.
  • the Mast-furnace B is directly under the charging vessel.
  • D D are two horizontal plates, which constitute, when brought together, the bottom of the charger and the top of the furnace.
  • the plates D are supported in laterally-projectin g channels (1 d at the base of the charger, and have outwardly-projecting rack-bars c e, that gear into pinions ff, as shown.
  • the shafts g g which carry the piiiions ff, are geared together so that they can only be turned at the same time, thereby insuring the simultaneous inward as well as outward movement of the plates D D.
  • E is a hinged lid to the charger. h andt' are the gas-escape pipes from the furnace. When the gates D D are closed together the lid E is opened to admit the material to be charged into the charger. The material is then properlyleveled or evened within the charger and the lid then closed.
  • the shafts g are then turned to draw the plates 1) D apart and allow the charge to drop into the furnace. The escape of gas through the charger is meanwhile prevented by the lid E.
  • the plates D are subsequently closed together again, and the vessel A ready for another charge.
  • levers or other equivalent devices may be used for.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

w. A; MILES.
Improvement in Blast-Furnace Chgrging Apparatus.. N0. 130,652. Patented Aug 20,1872.
#fiitmm: @uveixtur: W2 V 4a a, m jz I STATES NITE WILLIAM A. MILES, OF SALISBURY, CONNECTICUT.
IMPROVEMENT IN BLAST-FURNACE CHARGING APPARATUS.
Specification forming part of Letters Patent No. 130,652, dated August 20, 1872.
its object to prevent the escape of gases through the charger while feeding the material to the a furnace, and also to allow the evening or leveling of the material in the charging vessel.
A in the drawing represents the upper chargin vessel or hopper to a blastfurnace of suitable kind. This vessel is made of cylindrical, truncated, conical, or other suitable form and suitable size, of brick, metal, or other material. When made of metal I prefer to construct it with double walls, a b, as shown in Fig. 1, in order to prevent overheating of the contents. The Mast-furnace B is directly under the charging vessel. D D are two horizontal plates, which constitute, when brought together, the bottom of the charger and the top of the furnace. The plates D are supported in laterally-projectin g channels (1 d at the base of the charger, and have outwardly-projecting rack-bars c e, that gear into pinions ff, as shown. By turning those pinions the plates D D will either be moved apart to open the bottom of the charger, or together to close the same. The shafts g g, which carry the piiiions ff, are geared together so that they can only be turned at the same time, thereby insuring the simultaneous inward as well as outward movement of the plates D D. E is a hinged lid to the charger. h andt' are the gas-escape pipes from the furnace. When the gates D D are closed together the lid E is opened to admit the material to be charged into the charger. The material is then properlyleveled or evened within the charger and the lid then closed. The shafts g are then turned to draw the plates 1) D apart and allow the charge to drop into the furnace. The escape of gas through the charger is meanwhile prevented by the lid E. The plates D are subsequently closed together again, and the vessel A ready for another charge. Instead ofthe racks and pinions, levers or other equivalent devices may be used for.
adjusting the plates D.
Having thus described myinvention,I claim as new and desire to secure by Letters Pa-tent bottom of a blast-furnace charger, to move simultaneously together, or apart, as set forth. 2. The lid E, combined with the charger A, and sliding plates D D, substantially as and for the purpose herein shown and described.
WILLIAM A. MILES. Witnesses: A. V. BRIESEN,
T. B. MosHEn.
1. The sliding plates D D, arranged at the
US130652D Improvement Expired - Lifetime US130652A (en)

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