US3822191A - Door cleaner for coke oven - Google Patents

Door cleaner for coke oven Download PDF

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Publication number
US3822191A
US3822191A US00283922A US28392272A US3822191A US 3822191 A US3822191 A US 3822191A US 00283922 A US00283922 A US 00283922A US 28392272 A US28392272 A US 28392272A US 3822191 A US3822191 A US 3822191A
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United States
Prior art keywords
door
carrier
frame
cutter
carriers
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Expired - Lifetime
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US00283922A
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English (en)
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N Konno
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Individual
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Individual
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Publication of US3822191A publication Critical patent/US3822191A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B43/00—Preventing or removing incrustations
    • C10B43/02—Removing incrustations
    • C10B43/04—Removing incrustations by mechanical means

Definitions

  • the door cleaner is capable of automatically scraping a doors sloping edge, knife edge and recessed inside surface to remove tar and the like adhered thereto.
  • the cleaner comprises a substantially rectangular support frame arranged to surround a coke oven door sealing member.
  • a pair of carriers are mounted on the frame and engage with a guide thereon vfor movement along the frame.
  • Each carrier hasta motor and reduction gearing driving a respective sprocket engaged with a fixed chain on the frame, to move the carriers along the frame, the two carriers being interconnected by another chain so that they move in respective opposite directions.
  • Each carrier has a pair of scraper devices thereon each pivotally mounted at arespective end thereof and extending inwardly from the carrier.
  • a cutter device is mounted on each carrier at the inner side thereof and includes cutter means rotatable about horizontal axes extending substantially parallel to the adjacent sloping edge surface of thesealing member.
  • the cutter device is pivoted intermediate its ends, and has a rotary cutter on each end, and the device is controlled, by a hydraulic rotary cylinder, to engage either the upper or the lower cutter with a door surface.
  • This invention relates to a door cleaner for coke oven doors.
  • the conventional horizontal chamber coke loven is equipped with a door at each of its opposite ends, namely, the pusher side and the quencher side.
  • Each door to which much tar and the like adhere when the coal is baked to form coke, must be cleaned for the next course of coking operation.
  • to close each door tightly thorough cleaning of the doors sloping edge, knife edge and intermediate recessed inside surface, is necessary.
  • This invention provides a new and useful cleanerwhich is capable of scraping particularly the doors sloping intermediate recessed inside surface edge, knife edge and automatically to remove the tar and the like completely.
  • the door cleaner includes a substantially rectangular support frame arranged to surround the door sealing member of a coke oven door, and formed with a guide extending therealong.
  • a pair of carriers are mounted on the frame and engage with the guide for movement along the frame, the two carriers being interconnected by a chain or the like.
  • Each carrier has a motor and a reduction gearing driving a sprocketengageable with a second and fixed chain on the frame to v a rotatable cutter at each of its opposite ends, with a hydraulic rotary cylinder being provided to rotate the respective lcutter through a small angle to bring either the upper or the lower rotatable cutter into engagement with a door surface.
  • each scraper device is capable of making a close contact with the knife edge and the adajcent recessed inside surface of the door. 'For this purpose, each scraper device is movable not only toward and away from the surface of the door to be scraped but also laterally of itself.
  • FIG. 1 is a front view of the door cleaner made according to a rst embodiment of this invention
  • FIG. 2 is a partial front view of the door cleaner showing the uppermost limit to be cleaned
  • FIG. 3 is a side view of the door cleaner
  • FIG. 4 is a cross-sectional view of the door cleaner, taken generally along the section line IV-IV of FIG. 1 the left half of which shows the scraper device and the right half the radial cutter device respectively;
  • FIG. 5 is a schematic diagram showing the radial cutter device and the hydraulic system.
  • FIG. 6 is an enlarged veiw of the scraper device.
  • a carrier (3) which is connected with another carrier (3') by the chain (2), is placed on the guide (6) formed along the full length of the vertical frame (1).
  • the respective carriers (3) and (3') are movable along the full length of the associated vertical guides (6) by respective sprocket wheels (34) and (34'), which engage respective chains (33) xed in position and extending along each vertical leg of the frame (1).
  • the sprockets (34) and (34') are rotatable in respective opposite directions by respective hydraulic motors (4) fixed on the back or outer side of each carrier.
  • An oscillatable radial cutter device is oscillatably mounted on the center projection of each substantially E- shaped carrier (3) and (3').
  • a horizontally oriented rotary hy.- draulic cylinder ('7) is operable to oscillate each cutter device through a small angle, and each cutter device carries a pair of rotatable radial cutters (9) and (9') each rotatably mounted at the respective end of the cutter device.
  • These cutters which have a cylindrical shape, are rotatable about axes which extend substantially parallel to the adjacent sloping edge surfaces of the sealing member to be cleaned, and each radial cutter has a plurality "of claws (8) on its periphery.
  • the respective rotary cylinders (7) are energized to oscillate the respective cutter device to move the lower radial cutter (9') into close contact with the sloping door surface (a), in the direction of the arrow x, when the associated carrier moves upwardly.
  • the upper radial cutter (9) is swung into contact with the surface (a) in the direction of the arrow y when the associated carrier is moved downwardly.
  • the radial cutters are rotated by the respective hydraulic driving motors (4) in a manner described more fully hereinafter.
  • respective arms (10) and (10'). are pivotally secured to the upper and lower ends f each carrier (3) and (3'), and the free end of each pivoted arm carries a respective scraper device including a scraper (11) at one end of a shifting rod (12), as shown more clearly in FIGS. and 6.
  • Each shifting rod (12) is axially displaceable by a pivoted lever (1'5) articulated to a plunger (14) of a respective hydraulic cylinder 13) fixed to the associated arm are (10').
  • Each rod (12) can also be displaced bodily sidewards by the action of a respective fixed cam (16), as shown in FIG. 4, as a roller (1'8) at the free end of a lever (15) rolls over the cam from the lower portion thereof upwardly.
  • each lever 15) is pivotably secured to the associated arm (10) or (10') at a point (not shown) between the free end of the lever 15) and its connection with the plunger.
  • This pivoting point is arranged depending on the distance between the door side and the scraper device, so that the movement of the lever end, with which the scraper device is connected, can be enlarged in relation to the movement of the other end.
  • the cutter (11) approaches toward the knife edge (b) keeping contact with the door side (a) by the action of the cam (16) and then the cutter (11) enters into the recessed inside surface (c) while, a part of the scraper (11) contacts closely to the tip of the knife the cleaner, as shown partly in IFIG. 4.
  • Each carrier is provided with roller guides (21), (22) and (23) at each end which are engageable with scraper guides (19) and (20) on the frame.
  • Each lever (15) is also associated with a return spring (24) for biasing the associated rod (12) in a return direction.
  • radial cutters (8) are driven from motors (4) through respective reduction gearing assemblies (35).
  • the reduction gearing includes an intermediate gear (26) meshing with a pair of gears (25) and (27) each secured to a respective cutter (8).
  • the gears (26) are driven by motor (4) through the reduction gearing (3S) more particularly illustrated in FIG. 4.
  • each radial cutter is operatively associated with a stop (28) which also serves as a scraper.
  • FIGS. 1, 2 and 3 also illustrate the sprockets (30) and (32) around which the chain (2), interconnecting the two carriers, is trained.
  • the carriers (3), (3') are to be located in the middle part of the .vertical frame (1), (1'), with the radial cutter devices (29) oriented vertically to remain stationary and with the scrapers (11) 11') being fully pulled back.
  • the space between each scraper of the both carriers can be made wide enough to allow a door to enter the cleaner, as shown partly in FIG. 4.
  • both the hydraulic driving motor (4) and the hydraulic cylinders (13) (13') are started in operation.
  • the hydraulic motors (4) operate the carriers (3) (3') move up and down, and the hydraulic rotary cylinder (7) also moves to control the radial cutters, as shown in FIG. 5.
  • the lower radial cutter (9') of the ascending carrier is pressed toward the door side (a) with a powerful but low speed rotation in the direction of the arrow x.
  • the upper radial cutter (9) of the descending carrier is also pressed toward the door side (a) to rotate in the direction of arrow y in the same manner.
  • the rotating direction of the hydraulic motors changes automatically to reverse the carrier movement when the latter reaches the uppermost or lowermost limit.
  • the arms (10), (10') tilt inward along the scraper guide (20) to clean a half of the knife edge and the adjacent area respectively, when the carriers (3) (3') approach the uppermost or lowermost limits.
  • the shape of the radial cutter is variable depending on the sloping degrees of the door edge, and a set of several radial cutters to be fixed on the same axle, may be also employed.
  • the stopper-scraper (28) of the radial cutter device facing to the knife edge can scrape the tar and the like in a liquid form.
  • the supporting frame is supported by a supporter (not shown in the drawing) which is per se movable to and fro.
  • a coke oven door cleaner for cleaning a coke oven door having a sealing member with a sloping edge surface, a knife edge, and a recessed surface between the sloping edge surface and the knife edge, said cleaner comprising, in combination, a substantially rectangular support frame arranged to surround the door sealing member and formed with a ⁇ guide extending therealong; a pair of carriers mounted on said frame and engaged with said guide for movement along said frame; driving means, including a motor and reduction gearing on each carrier, operable to move said carriers in guided relation along said frame; a respective pair of scraper devices on each carrier, each scraper device being pivotally mounted on the associated carrier at a respective end thereof and extending inwardly from the associated carrier; and a cutter device mounted on each carrier at the inner side thereof and including cutter means rotatable about horizontal axes extending substantially parallel to the adjacent sloping edge surfaces of the sealing member.
  • a coke oven door cleaner including means mounting each scraper device for movement in two mutually perpendicular directions, movement in one direction engaging each scraper device with the lsloping edge surface of the door and movement in the other direction engaging each scraper device with the knife edge whereby the recessed surface can be scraped at the same time as the sloping edge surface and the knife edge are scraped.
  • a coke oven door cleaner according to claim 1, in which said cutter device comprises two rotatable radial cutters with several claws on the periphery thereof.
  • each cutter device is pivotally mounted on the associated carrier at a pivot intermediate the ends of the cutter device; each cutter device having a pair of cutters, one at each end thereof; and a respective hydraulic rotary cylinder operatively connected to each cutter device and operable to move the same angularly in opposite directions to engage a selected one of the two cutters with the door to be cleaned.
  • each cutter device comprises two rotatable radial cutters with several claws on the periphery thereof.
  • each cutter device comprises two rotatable radial cutters with several claws on the periphery thereof.
  • a coke oven door cleaner according to claim 5, in which said motor is a hydraulic driving motor; said cutter device comprising two rotatable radial cutters with several claws on the periphery thereof.
  • each cutter device is pivotally connected, intermediate its ends, to the associated carrier and comprises a pair of cutters, one on each end thereof; and a respective hydraulic rotary cylinder operatively associated with each cutter device and operable to pivot the same angularly to bring a respective one of the two cutters into operative relation with a door surface.
  • a coke oven door cleaner including sprockets on said support frame; and a chain trained over said sprockets and having each end connected to a respective carrier, whereby said carriers move in respective opposite directions.
  • a coke oven door cleaner according to claim 1, in which said driving means comprises, for each carrier, a chain xed to said support frame and extending longitudinally thereof; and a respective sprocket driven by each motor and reduction gearing and engaged with said chain.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Coke Industry (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
US00283922A 1972-04-10 1972-08-25 Door cleaner for coke oven Expired - Lifetime US3822191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972041385U JPS5127251Y2 (enrdf_load_stackoverflow) 1972-04-10 1972-04-10

Publications (1)

Publication Number Publication Date
US3822191A true US3822191A (en) 1974-07-02

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ID=12606910

Family Applications (1)

Application Number Title Priority Date Filing Date
US00283922A Expired - Lifetime US3822191A (en) 1972-04-10 1972-08-25 Door cleaner for coke oven

Country Status (4)

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US (1) US3822191A (enrdf_load_stackoverflow)
JP (1) JPS5127251Y2 (enrdf_load_stackoverflow)
AU (1) AU474167B2 (enrdf_load_stackoverflow)
DE (1) DE2242191B2 (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972781A (en) * 1974-08-26 1976-08-03 Koppers Company, Inc. Scraper for the lid and lid seat of a coke oven ascension pipe
JPS5281449U (enrdf_load_stackoverflow) * 1975-12-13 1977-06-17
US4080220A (en) * 1976-12-13 1978-03-21 Dimisa Didier Ingenieria Y Montajes Industriales, S.A. Process and apparatus for cleaning the door or door frame of a coke oven
US4243490A (en) * 1979-07-25 1981-01-06 Koritsu Kikai Kogyo Company Limited Radial cutter type cleaning apparatus for coke oven door bottom surface
DE3014124A1 (de) * 1980-04-12 1981-10-15 Koritsu Machine Industries Ltd., Tokyo Verbesserter kokereiofentuerreiniger
US4300986A (en) * 1980-04-17 1981-11-17 Koritsu Machine Industry Limited Coke oven door cleaner
US4375389A (en) * 1981-09-02 1983-03-01 Koppers Company, Inc. Coke oven door cleaner
US4844105A (en) * 1988-10-24 1989-07-04 Silicon Technology, Inc. Spray treatment apparatus for coke oven door structures
EP0351309A1 (fr) * 1988-07-12 1990-01-17 CdF INGENIERIE ETR Dispositif de nettoyage du cadre dormant de la porte d'un four à coke
US5941445A (en) * 1997-11-24 1999-08-24 Bethlehem Steel Corporation Apparatus for refurbishing a coke oven doorjamb

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822499B2 (ja) * 1979-03-02 1983-05-09 晃立機械工業株式会社 コ−クス炉の炉蓋枠クリ−ナ−
DE3048100C2 (de) * 1980-12-19 1984-05-30 Koritsu Machine Industries Ltd., Tokyo Reinigungsvorrichtung für die untere Türseite einer Kokereiofentür
WO2005072780A2 (en) 2004-01-16 2005-08-11 Carnegie Mellon University Cellular labeling for nuclear magnetic resonance techniques
AU2007238586B2 (en) 2006-04-14 2014-03-20 Carnegie Mellon University Cellular labeling and quantification for nuclear magnetic resonance techniques
JP5645658B2 (ja) 2007-07-10 2014-12-24 カーネギー メロン ユニバーシティー 核磁気共鳴技術のための細胞標識を製造するための組成物及び方法

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972781A (en) * 1974-08-26 1976-08-03 Koppers Company, Inc. Scraper for the lid and lid seat of a coke oven ascension pipe
JPS5281449U (enrdf_load_stackoverflow) * 1975-12-13 1977-06-17
US4080220A (en) * 1976-12-13 1978-03-21 Dimisa Didier Ingenieria Y Montajes Industriales, S.A. Process and apparatus for cleaning the door or door frame of a coke oven
US4243490A (en) * 1979-07-25 1981-01-06 Koritsu Kikai Kogyo Company Limited Radial cutter type cleaning apparatus for coke oven door bottom surface
DE3014124A1 (de) * 1980-04-12 1981-10-15 Koritsu Machine Industries Ltd., Tokyo Verbesserter kokereiofentuerreiniger
DE3014124C2 (enrdf_load_stackoverflow) * 1980-04-12 1989-07-20 Nissho Iwai Corp., Osaka, Jp
US4300986A (en) * 1980-04-17 1981-11-17 Koritsu Machine Industry Limited Coke oven door cleaner
US4375389A (en) * 1981-09-02 1983-03-01 Koppers Company, Inc. Coke oven door cleaner
EP0351309A1 (fr) * 1988-07-12 1990-01-17 CdF INGENIERIE ETR Dispositif de nettoyage du cadre dormant de la porte d'un four à coke
FR2634216A1 (fr) * 1988-07-12 1990-01-19 Cdf Ingenierie Etr Dispositif de nettoyage du cadre dormant de la porte d'un four a coke
US4844105A (en) * 1988-10-24 1989-07-04 Silicon Technology, Inc. Spray treatment apparatus for coke oven door structures
US5941445A (en) * 1997-11-24 1999-08-24 Bethlehem Steel Corporation Apparatus for refurbishing a coke oven doorjamb

Also Published As

Publication number Publication date
AU474167B2 (en) 1976-07-15
AU4942272A (en) 1974-05-30
DE2242191B2 (de) 1976-06-24
JPS5127251Y2 (enrdf_load_stackoverflow) 1976-07-10
DE2242191A1 (de) 1973-10-18
JPS49144U (enrdf_load_stackoverflow) 1974-01-05

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