US1064343A - Downcomer construction for blast-furnaces. - Google Patents

Downcomer construction for blast-furnaces. Download PDF

Info

Publication number
US1064343A
US1064343A US65408311A US1911654083A US1064343A US 1064343 A US1064343 A US 1064343A US 65408311 A US65408311 A US 65408311A US 1911654083 A US1911654083 A US 1911654083A US 1064343 A US1064343 A US 1064343A
Authority
US
United States
Prior art keywords
blast
furnaces
ribs
downcomer
pipe
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 - Lifetime
Application number
US65408311A
Inventor
Julian Kennedy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US65408311A priority Critical patent/US1064343A/en
Application granted granted Critical
Publication of US1064343A publication Critical patent/US1064343A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits

Definitions

  • igure 1 is a sectional viewof one portion of the downcomer pipe;
  • Fig. 2 is a sectional view, and
  • Fig. 3 an elevation, of another downeomer pipe. of a downcomer piping or 0011- s for blast furnaces, the fine ore, dust, carried by the outgoing gases rapidly portions of the condults wlnch are curved to change the direction of the currents of the gas currents, thus making the life of these portions of the downcomer system comparatively short. 7
  • the object of my invention is to lengthenthe life of such curved portions of the gas conduits by providing protecting means for surfaces of the conduit walls.
  • a downcomer pipe for blast-furnaces having'a curved portion wh'ose outer wall is provided on its inner surface with a pludowncomer stated, form a subgases, collect dust
  • tlze spaces bewalls with pro ecting ribs 011 the deflecting tween said nice forming pockets closed at are preferably transverse, and also substancurved portion is shown as consisting of surface portions thereof, which ribs will collect dust, and also serve to retain adead layer of gases and thereby largely protect the walls from the cutting action of the gases.
  • a downcomer pipe for blast-furnaces having a curved portion whose outer wall is provided on its inner-surface with a successivewhieh ribs forming outer sides; substantially as described.
  • FIG. 2 I A downcomer pipe for blast-furnaces,
  • Fig. 2 I have shown a CUIVGClPOl'tlOIl having a curved portlon whose outer wall is' of a blastfurnace downeomer pipe. This provided on its inner surface ,with-a succession of transverse radial ribs. said ribs and outenwail forming a series of gas-retaining pockets which act to protect said wall against the cutting action of the furnace gases; substantially as described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Blast Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

J. KENNEDY. DOWNCOMBR CONSTRUCTION FOR BLAST FURNACES.
APPLICATION FILED 001111, 1911.
Patented June 10, 1913.
Fia].
"Pittsburgh, Allegheny county, Pennsylvaaccompanying this specification, in wh1ch- L portion. of a .duit
* the interior JULIAN KENNEDY, PITTSBURGH, PENNSYLVANIA.
nownoomnza oonsranorron rozs BLAST-FURNACES.
Specification of Letters Patent. Application filed October 11, 1911.
nooasaa.
Serial No. 654,083.
branch downcoiner having a bleeder connection opening 5. In this case the ribs (3 are arranged in the portions of the branch pipe in front of and also beyond the blccder pipe entrance. The section of' the'pipe which ribs is shown formed of a sin- Tr) all whom 2'1 may concern.
Belt known that I, JULIAN KENNEDY, of
nia, have invented a new and useful Downcomer Construction for Blast-Fiu'naces, of which the following is full, clear and eX- act description, reference being had to the drawings, forming part of carries these gle casing having the bleeder-pipe connection cast integral therewith.
1* igure 1 is a sectional viewof one portion of the downcomer pipe; Fig. 2 is a sectional view, and Fig. 3 an elevation, of another downeomer pipe. of a downcomer piping or 0011- s for blast furnaces, the fine ore, dust, carried by the outgoing gases rapidly portions of the condults wlnch are curved to change the direction of the currents of the gas currents, thus making the life of these portions of the downcomer system comparatively short. 7
The object of my invention is to lengthenthe life of such curved portions of the gas conduits by providing protecting means for surfaces of the conduit walls. n carrying oiit my invention, I preferfrom the use of the inwardly 0n the curved'portions' of the pipes, which, as above stantially dead layer of and pipe from the flowing past.
Many changes may be made in the form and arrangement of the downcomer system, the construction of the curved portions and ribs,- as well as the form and arrangement of the ribs, without departing vention. I claimz 1. A downcomer pipe for blast-furnaces, having'a curved portion wh'ose outer wall is provided on its inner surface with a pludowncomer stated, form a subgases, collect dust, In the use cutting action of the gases ably provide these curved portions of the ralityof ribs or projections, tlze spaces bewalls with pro ecting ribs 011 the deflecting tween said nice forming pockets closed at are preferably transverse, and also substancurved portion is shown as consisting of surface portions thereof, which ribs will collect dust, and also serve to retain adead layer of gases and thereby largely protect the walls from the cutting action of the gases. This arrangement also tends to produce eddy currents, whichfurther protects the walls from the currents of gas.flowthe r outer sides v 2. A downcomer pipe for blast-furnaces, having a curved portion whose outer wall is provided on its inner-surface with a succeswhieh ribs forming outer sides; substantially as described.
mg by. a 3. A downcomer pipe for blast-furnaces, In Fig. 2 I have shown a CUIVGClPOl'tlOIl having a curved portlon whose outer wall is' of a blastfurnace downeomer pipe. This provided on its inner surface ,with-a succession of transverse radial ribs. said ribs and outenwail forming a series of gas-retaining pockets which act to protect said wall against the cutting action of the furnace gases; substantially as described.
In testimony whereof, I have hereunto set.
my hand.
J ULIAN KENNEDY. Witnesses:
C. P. BrnNns, R. A. BALnnnsoN.
cast pipe sections having ribs 6 on the inner surface of its outer Wall, this being the por' tion which deflects the currents of gases passing" theretl'irongh. These ribs may ta per toward the ends and gradually merge into the Wall of the pipe. iVhile they may be arranged in any desirable manner, they .tlally radiaLx V y In Figs. 2 and 3 I show a portion of a he advantages of my invention result projecting ribs from my in-' substantially as described.
slon of transverse ribs, the spaoes betweenv pockets closed at their Patented June it), 1913.
serve to protect these portions of thev
US65408311A 1911-10-11 1911-10-11 Downcomer construction for blast-furnaces. Expired - Lifetime US1064343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US65408311A US1064343A (en) 1911-10-11 1911-10-11 Downcomer construction for blast-furnaces.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65408311A US1064343A (en) 1911-10-11 1911-10-11 Downcomer construction for blast-furnaces.

Publications (1)

Publication Number Publication Date
US1064343A true US1064343A (en) 1913-06-10

Family

ID=3132587

Family Applications (1)

Application Number Title Priority Date Filing Date
US65408311A Expired - Lifetime US1064343A (en) 1911-10-11 1911-10-11 Downcomer construction for blast-furnaces.

Country Status (1)

Country Link
US (1) US1064343A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218041A (en) * 1976-12-22 1980-08-19 IT&T Industries, Inc. Low noise slide valve
US4606556A (en) * 1985-05-28 1986-08-19 Fuller Company Wear resistant elbow
US4641864A (en) * 1984-02-16 1987-02-10 R & H Technologies, Inc. Wear resistant pipe bend for slurry transport
CN103498988A (en) * 2013-10-14 2014-01-08 吉林大学 Bionic erosion-resisting pipeline elbow

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218041A (en) * 1976-12-22 1980-08-19 IT&T Industries, Inc. Low noise slide valve
US4641864A (en) * 1984-02-16 1987-02-10 R & H Technologies, Inc. Wear resistant pipe bend for slurry transport
US4606556A (en) * 1985-05-28 1986-08-19 Fuller Company Wear resistant elbow
CN103498988A (en) * 2013-10-14 2014-01-08 吉林大学 Bionic erosion-resisting pipeline elbow
CN103498988B (en) * 2013-10-14 2015-06-17 吉林大学 Bionic erosion-resisting pipeline elbow

Similar Documents

Publication Publication Date Title
US1064343A (en) Downcomer construction for blast-furnaces.
US785176A (en) Lined pipe.
US2331465A (en) Hot-blast valve
US915601A (en) Blast-furnace.
US1096623A (en) Ash-conveyer.
US1740886A (en) Hot-blast cupola
US778134A (en) Protector for smoke-box fronts.
US1536755A (en) Tuyere for blast pipes for high and other metallurgical furnaces
US975248A (en) Apparatus for ventilating tunnels.
US1164929A (en) Blast-furnace bell.
US608079A (en) Cooling-plate
US864752A (en) Furnace-door frame.
US594662A (en) Furnace-valve
US1783284A (en) Furnace cooling by steam
US244408A (en) Blast-furnace
US1035772A (en) Converter-twyer.
US860983A (en) Blast-furnace.
US836801A (en) Blast-furnace.
US998940A (en) Furnace.
US1543970A (en) Furnace construction
US1762814A (en) Tuyere
US287204A (en) Blast-furnace
US970376A (en) Blast-furnace-cooling apparatus.
US938246A (en) Regenerative reversing-furnace.
US615456A (en) Bosh-plate for furnaces