US3647053A - Apparatus for and method of collecting smoke from coke ovens during charging - Google Patents

Apparatus for and method of collecting smoke from coke ovens during charging Download PDF

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Publication number
US3647053A
US3647053A US878302A US3647053DA US3647053A US 3647053 A US3647053 A US 3647053A US 878302 A US878302 A US 878302A US 3647053D A US3647053D A US 3647053DA US 3647053 A US3647053 A US 3647053A
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Prior art keywords
oven
charging
gas
collector main
coal
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US878302A
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English (en)
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Pete Palumbo
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United States Steel Corp
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United States Steel Corp
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    • 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
    • C10B27/00—Arrangements for withdrawal of the distillation gases
    • C10B27/04—Arrangements for withdrawal of the distillation gases during the charging operation of the oven

Definitions

  • ABSTRACT An apparatus for and method of smokeless charging of a heated coke oven with coal at a lower temperature than the temperature of the oven is disclosed.
  • the oven of the apparatus is provided with a charging aperture for receiving the coal and with an exhaust aperture for any gases evolved in the oven.
  • the oven has a collector main connected to the exhaust aperture and an exhaust means connected to the collector main for removing gases from the oven.
  • a Larry car is movable on the oven and has hopper means adapted to contain the coal.
  • the hopper means has discharge means movable into registry with and into sealing engagement with the charging aperture.
  • Gate means are on the hopper means for controlling the flow of the coal through the discharge means and through the charging aperture into the oven.
  • a charging gas collecting main is on the oven in communication with the exhaust means.
  • a conduit means on the Larry car communicates with one of the discharge means, the hopper means, and the charging aperture and is connectable to the charging gas collector main.
  • the exhaust means is operable (when the coal engages the oven and substantial quantifies of charging gas and displaced oven gas are evolved) to simultaneously exhaust the charging gas and the oven gas through the exhaust aperture and the charging aperture.
  • the conduit means is operable when connected to the one and to the charging gas collector main to prevent the escape of the charging gas and the oven gas through the hopper means and the discharge means to the atmosphere.
  • the method includes the steps of moving the discharge means into registry with and into sealing engagement with the charging aperture; controlling the flow of the coal through the discharge means and through the charging aperture into the oven; and exhausting the substantial quantities of charging gas, (developed by engagement of the coal with the oven) and displaced oven gas simultaneously through the exhaust aperture of the oven to a collector main of the oven and through the charging aperture and the conduit means (connected to one of the charging aperture, the hopper means and the discharge means) to prevent escape of the charging gas and the oven gas through the hopper means and'the discharge means to the atmosphere.
  • f. provide and maintain a first predetermined holding pressure in the charging gas collector main during the coking of the coal in the oven and a second predetermined lower pressure in the charging case collector main during the charging operation.
  • a charging gas collecting main is 'on the oven in communication with the exhaust means.
  • a conduit means on the larry car communicates with one of the discharge means, the hopper means, and the charging aperture and is connectable to the charging gas collector main.
  • the exhaust means is operable (when the coal engages the oven and substantial quantities of charging gas and displaced oven gas are evolved,) to simultaneously exhaust the charging gas and the oven gas through the exhaust aperture and the charging aperture.
  • the conduit means is operable when connected to the one and to the charging gas collector main to prevent the escape of the charging gas and the oven gas through the hopper means and the discharge means to the atmosphere.
  • the method includes the steps of moving the discharge means into registry with and into sealing engagement with the charging aperture, controlling the flow of the coal through the discharge means and through the charging aperture into the oven, and exhausting the substantial quantities of charging gas (developed by engagement of the coal with the oven) and displaced oven gas simultaneously through the exhaust aperture of the oven to a collector main of the oven and through the charging aperture and the conduit means (connected to one of the charging aperture, the hopper means and the discharge means) to prevent escape of the charging gas and the oven gas through the hopper means and the discharge means to the atmosphere.
  • an apparatus for the smokeless charging of a heated coke oven 10 with coal 12 having a loaded coal level line at a lower temperature (i.e., ambient temperature, about 70 F.) than the temperature of the oven 10 (i.e., about 2,l00 F.) is indicated by the reference numeral 14.
  • the oven 10 is provided with charging apertures 16 for receiving the coal l2 and with exhaust apertures or exhaust pipes 18 for removal of gases evolved in and displaced from the oven 10.
  • the oven 10 has collector mains 20 connected to the exhaust apertures 18 and an exhaust means, such as the exhaust main 22, connected to the collector main 20 for removing the gases from the oven 10.
  • the left-hand collector main 20 is connected to a pitch trap 21 and a flushing liquor return main 23.
  • a coal Ieveler door 25 is provided in the oven 10 adjacent the right-hand exhaust aperture 18.
  • AWhory car 24 is movable by means of wheels 24a on tracks 24b mounted on the battery top 10a of the oven 10.
  • the larry car 24 has hopper means, such as the hoppers 26, adapted to contain the coal 12.
  • the hoppers 26 each have a discharge means, such as an dropsleeves 28, which dropsleeves 28 are movable into registry with and into sealing engagement with an associated charging aperture 16.
  • each hopper 26 has a gate means, such as a shear gate 30, for controlling the flow of the coal 12 through the dropsleeve 28 and through the charging aperture 16 into the oven 10.
  • a charging gas collecting main 32 is mounted on the oven 10 an in communication with the exhaust main 22.
  • Conduit means, such as the charging gas conduit 34 is mounted on the larry car 24 and communicates at one end adjacent each charging aperture 16 with one of the dropsleeve 28, the hopper 26, and the charging aperture 16 via conduits 34a, 34b, and 34c respectively.
  • the conduit 34 is connectable at the other end by means of a flexible snorkeltype connection 34a to the charging gas collector main 32.
  • the exhaust main 22 is operable during the charging operation to simultaneously exhaust the charging gas and the oven gas through the exhaust apertures 18 and the collector main 20 and through the charging apertures 16, the conduits 34, 34a, or 34b or 340, and the charging gas collector main 32.
  • the conduit 34 is operable when connected to either the dropsleeve 28 (by conduit 340), the hopper 26 (by conduit 34b), or the charging aperture 16 (by conduit 34c) and to the charging gas collector main 32 to prevent the escape of a charging gas and the oven gas through either the hoppers 26 or the dropsleeves 28 to the atmosphere.
  • a collector main control means is associated with the collector main 20.
  • This collector main control means has a collector main valve 36, of the butterfly valve type, in the collector main 20 for controlling the pressure in the collector main 20.
  • the valve 36 is connected to a collector main sensing means, such as a pressure controller 38 of the diaphragm type manufactured by Askania Control Co., New Haven, Connecticut.
  • the pressure controller 38 has a probe 380 which probe 38a is disposed in the collector main 20 for detecting the pressure in the collector main 20.
  • the pressure controller 38 is, of course, connected to the valve 36 and is operable to position the valve 36 so as to maintain the first predetermined pressure, such as about mm. of water, in the collector main 20.
  • a first spray means such as the spray 40
  • a flow of cooling fluid such as water contaminated by coal byproducts such as tars, ammonia, phenol, cyanides, chlorides and the like from a flushing header 41 into the charging gas and oven gas to cool it from a temperature of about 1,100 F. to a temperature of about 180 F. during the charging operation and to cool the coke oven gas during the coking cycle from about l,600 F. to about 180 F.
  • Aspirator means such as the steam aspirators 42 are mounted in the exhaust apertures 18 for creating an auxiliary suction in the collector mains 20 to aid and to enhance the evacuation of the charging gas and oven gas through the collector mains 20.
  • Manual damper means such as the damper 44, are also mounted at the exit from the exhaust aperture 18 to control the flow of the charging gas and oven gas through the exhaust aperture 18.
  • RECYCLE DEVICE Connecting means such as the recycle conduit 46, is disposed between the collector main 20 and the charging gas collecting main 32.
  • Gas analyzer means such as the oxygen analyzer 48, of the paramagnetic type manufactured by Beckman Co., Cleveland, Ohio, is connected by its probe 480 to the charging gas collecting main 32 for sampling the oxygen content of the charging gas and the oven gas in such main 32.
  • Connecting valve means such as the valve 50, is disposed in the recycle conduit 46, is connected to the gas analyzer 48 and is operable by the gas analyzer 48 to control the flow of recycle charging gas and oven gas through the connecting recycle conduit 46 to maintain the oxygen content of such charging gas and oven gas in the charging gas collector main 32 below the explosive mixture level of about 5.0 percent (lower limit) to about 30 percent (upper limit) of gas in air.
  • CHARGING GAS COLLECT OR MAIN CONTROL MEANS For the purpose of controlling the pressure in the charging gas collector main 32 between an idling pressure set point of about +2 mm. of water (when the oven 10 is coking the coal l0) and a second set point of about -25 mm. of water pressure (when the oven 10 is being charged with the coal l2) charging gas collector main control means are provided.
  • the second set point or the second predetermined pressure such as about 25 mm. of water, (well below the first predetermined pressure of about l0 mm.
  • Charging gas collector main sensing means such as a pressure controller 52 of the diaphragm type manufactured by Askania Control Co., New Haven, Connecticut, is connected to the charging gas collector main 32 for sensing the pressure in the charging gas collector main 32.
  • the pressure regulator 52 is connected to a valve 54 of the butterfly type in the charging gas collector main conduit 33 to maintain the second predetermined pressure of about 25 mm. of water in the charging gas collector main 32 during the charging operation.
  • an actuating means such as a normally open microswitch 55' mounted on an arm 57, is closed, thus moving the pressure controller 52 from its first or idle set point of about +2 mm. of water to its second set point (during charging) of about 25 mm. of water.
  • a first valve means such as the shutoff valve 56
  • second valve means such as the three-way charging valve 58
  • third valve means such as the recycle shutoff valve 60
  • fourth valve means such as a charging main shutoff valve 61 is disposed in the charging main conduit 33.
  • a second spray means such as the spray 40a, is mounted in the charging gas collector main 32 and directs its cooling fluid, such as flushing liquor, on such gases to cool these gases from a temperature about 600 F. to a temperature of about 180 F.
  • the pressure controller 52 may use a separate probe 520.
  • f. provide and maintain a first predetermined holding pressure (i.e., about +2 mm. of water) in the charging gas collector main 32 during the coking of the coal 12 in the oven 10 and a second predetermined lower pressure (i.e., about 25 mm. of water) in the charging gas collector main 32 during the charging operation.
  • a first predetermined holding pressure i.e., about +2 mm. of water
  • a second predetermined lower pressure i.e., about 25 mm. of water
  • Apparatus for the smokeless charging of a heated coke oven with coal at a lower temperature than the temperature of said oven having:
  • said oven having:
  • said hopper means having:
  • a discharge means movable into registry and into sealing engagement with said charging aperture, and b. gate means on said hopper means for controlling the flow of said coal through said discharge means and said charging aperture into said oven;
  • conduit means on said larry car in communication with one of said discharge means, said hopper means and said charging aperture and connectable to said charging gas collector main;
  • said exhaust means being operable, when said coal engages said oven and substantial quantities of charging gas and displaced oven gas are evolved, to simultaneously exhaust said charging gas and said oven gas through said exhaust aperture and said charging aperture;
  • conduit means being operable, when connected to said one and to said charging gas collector main, to prevent escape of said charging gas and said oven gas through said hopper means and said discharge means to the atmosphere;
  • charging gas collector main control means in said charging gas collector main for controlling the pressure in said charging gas collector main at a second predetermined pressure during the charging of said oven with said coal; said second predetermined pressure being below a first predetermined pressure in said collector main so that the main flow of said charging gas and said oven gas is through said conduit means and said charging gas collector main.
  • a larry car movable on said oven and having hopper means adapted to contain said coal;
  • said hopper means having:
  • a discharge means movable into registry and into sealing engagement with said charging aperture, and b. gate means on said hopper means for controlling the flow of said coal through said discharge means and said charging aperture into said oven;
  • conduit means on said larry car in communication with one of said discharge means, said hopper means and said charging aperture and connectable to said charging gas collector main;
  • said exhaust means being operable, when said coal engages said oven and substantial quantities of charging gas and displaced oven gas are evolved, to simultaneously exhaust said charging gas and said oven gas through said exhaust aperture and said charging aperture,
  • conduit means being operable when connected to said one and to said charging gas collector main to prevent escape of said charging gas and said oven gas through said hopper means and said discharge means to the atmosphere;
  • charging gas collector main control means in said charging gas collector main for controlling the pressure in said charging gas collector main at a second predetermined pressure during the charging of said oven with said coal; said second predetermined pressure being below a first predetermined pressure in said collector main so that the main flow of said charging gas and said oven gas is through said conduit means and said charging gas collector main.
  • collector main control means associated with said collector main for maintaining said first predetermined pressure in said collector main when said oven is coking said coal.
  • collector main control means has a collector main valve means in said collector main for maintaining said first predetermined pressure and collector main sensing means in said collector main for detecting the pressure in said collector main, said sensing means being connected to said collector main valve means, and operable to position said collector main valve means to maintain said first predetermined pressure.
  • Apparatus for the smokeless charging of a heated coke oven with coal at a lower temperature than the temperature of said oven said apparatus having:
  • said oven having:
  • said hopper means having:
  • conduit means on said larry car in communication with one of said discharge means, said hopper means and said charging aperture and connectable to said charging gas collector main;
  • said exhaust means being operable, when said coal engages said oven and substantial quantities of charging gas and displaced oven gas are evolved, to simultaneously exhaust said charging gas and said oven gas through said exhaust aperture and said charging aperture;
  • conduit means being operable, when connected to said one and to said charging gas collector main, to
  • collector main control means associated with said collector main for maintaining a first predetermined pressure in said collector main when said oven is coking said coal
  • said collector main control means having a collector main valve means in said collector main for maintaining said first predetermined pressure and collector main sensing means in said collector main for detecting the pressure in said collector main, said sensing means being connected to said collector main valve means, and operable to position said collector main valve means to maintain said first predetermined pressure.
  • Apparatus for the smokeless charging of a heated coke oven with coal at a lower temperature than the temperature of said oven said apparatus having:
  • said oven having:
  • said hopper means having:
  • a discharge means movable into registry and into sealing engagement with said charging aperture, and b. gate means on said hopper means for controlling the flow of said coal through said discharge means and said charging aperture into said oven;
  • conduit means on said larry car in communication with one of said discharge means, said hopper means and said charging aperture and connectable to said charging gas collector main;
  • said exhaust means being operable, when said coal engages said oven and substantial quantities of charging gas and displaced oven gas are evolved, to simultaneously exhaust said charging gas and said oven gas through said exhaust aperture and said charging aperture;
  • conduit means being operable, when connected to said one and to said charging gas collector main, to prevent escape of said charging gas and said oven gas through said hopper means and said discharge means to the atmosphere;

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Coke Industry (AREA)
US878302A 1969-11-20 1969-11-20 Apparatus for and method of collecting smoke from coke ovens during charging Expired - Lifetime US3647053A (en)

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US87830269A 1969-11-20 1969-11-20

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US (1) US3647053A (enrdf_load_stackoverflow)
JP (1) JPS4830121B1 (enrdf_load_stackoverflow)
CA (1) CA953242A (enrdf_load_stackoverflow)
DE (1) DE2056964A1 (enrdf_load_stackoverflow)
FR (1) FR2069759A5 (enrdf_load_stackoverflow)
GB (1) GB1334546A (enrdf_load_stackoverflow)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767536A (en) * 1970-11-04 1973-10-23 Sumikin Coke Co Ltd Dust collecting system in a coal charging operation for coke ovens
US4105503A (en) * 1975-08-08 1978-08-08 British Steel Corporation (Chemicals) Limited Method and apparatus for emission control of by-product coke ovens
US4137128A (en) * 1976-03-19 1979-01-30 Dr. C. Otto & Comp. G.M.B.H. Battery of horizontal coke ovens and method for operating the same
US4157940A (en) * 1976-03-19 1979-06-12 Dr. C. Otto & Comp. G.M.B.H. Method for operating a battery of horizontal coke ovens
US4176011A (en) * 1976-10-19 1979-11-27 Firma Carl Still Method for operating coke oven chambers in connection with a predrying plant for the coal
US4231845A (en) * 1977-01-24 1980-11-04 Hoogovens Ijmuiden, B.V. Equipment for emission-free operation of a coking plant
US4234390A (en) * 1977-05-11 1980-11-18 Hoogovens Ijmuiden, B. V. System for control of a coking plant
US4360403A (en) * 1975-11-17 1982-11-23 Silka Adolf N Method of charging coke ovens with coal
US4536194A (en) * 1983-12-12 1985-08-20 United States Steel Corporation System for controlling the composition of a fuel gas produced by a jet compressor system
US5460699A (en) * 1994-05-31 1995-10-24 Usx Corporation Variable injection process and apparatus for energy recovery
AU696355B2 (en) * 1994-09-20 1998-09-10 Hartung, Kuhn & Co. Maschinenfabrik Gmbh. Method and apparatus for elimination of charging gases that form during coal charging of coke oven batteries
RU2181745C2 (ru) * 1999-11-22 2002-04-27 ОАО "Нижнетагильский металлургический комбинат" Способ бездымной загрузки коксовых печей
US6918999B1 (en) * 1997-07-08 2005-07-19 Deutsche Montan Technologie Gmbh Device and method for sealing levelling door aperture of a coke oven chamber
US7122099B1 (en) * 1999-10-22 2006-10-17 Uhde Gmbh Method and device for evacuating hot raw gases from coke ovens
US20130213791A1 (en) * 2010-10-05 2013-08-22 Arcelormittal Maizieres Research Sa Coking Plant and Method for Controlling said Plant

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795031A (fr) * 1972-02-07 1973-05-29 Waagner Biro Ag Procede et dispositif d'alimentation de fours a coke
FR2424953A1 (fr) * 1978-01-19 1979-11-30 Otto & Co Gmbh Dr C Procede pour l'exploitation d'une batterie de fours de cokefaction
CN107525408B (zh) * 2017-09-27 2023-08-01 大连重工机电设备成套有限公司 摇炉精炼用可移动的集烟加料联合装置及其工作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1376313A (en) * 1918-12-02 1921-04-26 Koppers Co Inc Coke-oven-charging car
US1376314A (en) * 1921-04-26 Vania
US1798517A (en) * 1925-11-30 1931-03-31 Koppers Co Inc Coke-oven smoke-discharging means
DE671042C (de) * 1935-09-14 1939-01-30 Otto & Co Gmbh Dr C Verfahren zum unterbrochenen Betriebe waagerechter Kammeroefen
US2646395A (en) * 1946-04-05 1953-07-21 Padgett Grady Charging car
US3435596A (en) * 1967-06-29 1969-04-01 Koppers Co Inc Gas cleaning apparatus for coke oven batteries

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1376314A (en) * 1921-04-26 Vania
US1376313A (en) * 1918-12-02 1921-04-26 Koppers Co Inc Coke-oven-charging car
US1798517A (en) * 1925-11-30 1931-03-31 Koppers Co Inc Coke-oven smoke-discharging means
DE671042C (de) * 1935-09-14 1939-01-30 Otto & Co Gmbh Dr C Verfahren zum unterbrochenen Betriebe waagerechter Kammeroefen
US2646395A (en) * 1946-04-05 1953-07-21 Padgett Grady Charging car
US3435596A (en) * 1967-06-29 1969-04-01 Koppers Co Inc Gas cleaning apparatus for coke oven batteries

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767536A (en) * 1970-11-04 1973-10-23 Sumikin Coke Co Ltd Dust collecting system in a coal charging operation for coke ovens
US4105503A (en) * 1975-08-08 1978-08-08 British Steel Corporation (Chemicals) Limited Method and apparatus for emission control of by-product coke ovens
US4360403A (en) * 1975-11-17 1982-11-23 Silka Adolf N Method of charging coke ovens with coal
US4137128A (en) * 1976-03-19 1979-01-30 Dr. C. Otto & Comp. G.M.B.H. Battery of horizontal coke ovens and method for operating the same
US4157940A (en) * 1976-03-19 1979-06-12 Dr. C. Otto & Comp. G.M.B.H. Method for operating a battery of horizontal coke ovens
US4176011A (en) * 1976-10-19 1979-11-27 Firma Carl Still Method for operating coke oven chambers in connection with a predrying plant for the coal
US4231845A (en) * 1977-01-24 1980-11-04 Hoogovens Ijmuiden, B.V. Equipment for emission-free operation of a coking plant
US4234390A (en) * 1977-05-11 1980-11-18 Hoogovens Ijmuiden, B. V. System for control of a coking plant
US4536194A (en) * 1983-12-12 1985-08-20 United States Steel Corporation System for controlling the composition of a fuel gas produced by a jet compressor system
US5460699A (en) * 1994-05-31 1995-10-24 Usx Corporation Variable injection process and apparatus for energy recovery
AU696355B2 (en) * 1994-09-20 1998-09-10 Hartung, Kuhn & Co. Maschinenfabrik Gmbh. Method and apparatus for elimination of charging gases that form during coal charging of coke oven batteries
US6918999B1 (en) * 1997-07-08 2005-07-19 Deutsche Montan Technologie Gmbh Device and method for sealing levelling door aperture of a coke oven chamber
US7122099B1 (en) * 1999-10-22 2006-10-17 Uhde Gmbh Method and device for evacuating hot raw gases from coke ovens
RU2181745C2 (ru) * 1999-11-22 2002-04-27 ОАО "Нижнетагильский металлургический комбинат" Способ бездымной загрузки коксовых печей
US20130213791A1 (en) * 2010-10-05 2013-08-22 Arcelormittal Maizieres Research Sa Coking Plant and Method for Controlling said Plant
US10059884B2 (en) * 2010-10-05 2018-08-28 Arcelormittal Maizieres Research Sa Coking plant and method for controlling said plant

Also Published As

Publication number Publication date
DE2056964A1 (de) 1971-05-27
JPS4830121B1 (enrdf_load_stackoverflow) 1973-09-18
FR2069759A5 (enrdf_load_stackoverflow) 1971-09-03
GB1334546A (en) 1973-10-17
CA953242A (en) 1974-08-20

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