US3814403A - Drive for furnace charge distribution apparatus - Google Patents

Drive for furnace charge distribution apparatus Download PDF

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Publication number
US3814403A
US3814403A US00355730A US35573073A US3814403A US 3814403 A US3814403 A US 3814403A US 00355730 A US00355730 A US 00355730A US 35573073 A US35573073 A US 35573073A US 3814403 A US3814403 A US 3814403A
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Prior art keywords
output shaft
disc
gear
rotary
coupling
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US00355730A
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English (en)
Inventor
E Legille
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Paul Wurth SA
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Anciens Etablissements Paul Wurth SA
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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
    • C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
    • F16H2700/02—Transmissions, specially for working vehicles

Definitions

  • ABSTRACT A drive and mounting mechanism for a rotatable and angularly adjustable charge distribution device mounted in the throat of a blast furnace is disclosed.
  • the drive mechanism includes a rotary disc mounted concentrically with the tubular feed spout through which charge material is delivered to the distribution device, the distribution device being suspended from the underside of the rotary disc, and a ring gear rotatably supported on the upper side of the disc and movable independently thereof.
  • a drive shaft coupled to the ring gear passes through the rotary disc and is connected to means for selectively varying the inclination of the distribution device.
  • the drive mechanism also includes means for rotating the disc and gear and for varying the speed ratio therebetween to thereby drive the inclination adjustment means drive shaft.
  • the present invention relates to the delivery of raw material to a furnace and particularly to a blast furnace. More specifically, this invention is directed to the drive and support mechanisms for an adjustable charge distribution device of the type intended for installation in the throat area of a shaft furnace. Accordingly, the general objects of the present invention are to provide novel and improved methods and apparatus of such character.
  • Prior art blast furnace charging apparatus such as those characterized by the well known bell-type distributing devices and compensation chambers, do not permit adequate control over charge distribution in the case of large high pressure furnaces.
  • the apparatus disclosed in U.S. Pat. No. 3,693,812 employs a rotary distribution chute and includes means for adjusting the pitch angle of the chute with respect to the central axis of the associated blast furnace;
  • distribution chute being positioned in the furnace port or throat.
  • Charge material for example ore
  • a storage bunker displaced vertically above the furnace throat, via a central collecting and supply spout.
  • the distribution chute is mounted from the underside of a rotary ring which is concentric with the central supply spout.
  • the rotary ring is connected to a main drive via a first rotary sleeve whereby the ring and thus the chute may be caused to rotate.
  • Chute angular adjustment is achieved through the use of a second rotary sleeve having a camming slot therein; the second rotary sleeve being arranged externally of and concentrically with the first sleeve.
  • the second rotary sleeve is driven synchronously with the first sleeve and means are provided for increasing or decreasing the speed of the second sleeve with respect to the first sleeve.
  • 3,693,812 is set by varying the position or relative speed of the two concentrically arranged rotary sleeves with any differencs in position or speed causing a cam follower coupled to the chute angular position actuator to travel along the camming slot in the second sleeve.
  • the present invention overcomes the above briefly discussed and other disadvantages by providing a novel and improved drive device for a rotary and angularly adjustable distribution chute of a shaft furnace charging installation.
  • the present invention also encompasses a novel attachment and mounting device for connecting such a distribution chute to the drive in a manner which permits rapid and safe replacement of the chute.
  • Drive apparatus in accordance with the present invention comprises a rotary disc mounted concentrically with the material supply spout inside the furnace throat; the distribution chute being suspended from the underside of the rotary disc.
  • a gear rotatable independently of the disc is mounted on the upper side thereof. This gear drives, via a shaft which passes through the disc, the means for angularly displacing the distribution chute whereby the inclination of the chute may be adjusted independently of the rotation thereof.
  • the rotary and angularly adjustable distribution chute is supported at its material inflow end on one longitudinal side by a regulating arm which is actuated by the drive shaft; the shaft passing through the rotary disc and being coupled to the gear carried by but rotatable independently of the disc as noted above.
  • FIG. I is a perspective view of a preferred embodiment of a distribution chute drive in accordance with the present invention.
  • FIG. 2 is a cross-sectional side elevation view of th embodiment of FIG. I; 1
  • FIG. 3 is a cross-sectional, side elevation view depicting the drive mechanism of FIG. 1 coupled to a distribution chute installed in the throat of a shaft furnace;
  • FIG. 4 is a side view, partly in section, depicting the connecting device between a rotary and angularly adjustable distribution chute and the pitch angle adjusting portion of a drive in accordance with the present invention
  • FIG. 5 is an end view of the apparatus of FIG. 4.
  • FIG. 6 depicts a pivot bearing mounting for the distribution chute; the mounting device of FIG. 6 being disposed on the opposite side of the chute with respect to the apparatus of FIGS. 4 and 5.
  • a rotary and angularly adjustable distribution chute 64 is shown as mounted in the throat of a blast furnace.
  • the drive means for controlling the movements of chute 64 in accordance-with a preferred embodiment of the invention may be seen by simultaneous reference to FIGS. 1 and 2.
  • Rotational movement of the distribution chute is accomplished through use of a main drive motor 1 which is coupled to a main drive shaft 8 via a clutch 2, braking device 3 and drive gears 4 and 6.
  • the main shaft 8 is provided with a pair of displaced gears or toothed wheels 10 and 12.
  • the distribution chute is connected to a rotary disc 24 and the driving of disc 24 is accomplished from main drive shaft gear 12 via an intermediate gear means indicated generally at 11 and a rotary sleeve 22.
  • the intermediate gear means 11 includes a rotary cylinder 16 which engages, by means of a ring gear 14, gear 12 on main drive shaft 8.
  • Rotary cylinder 16 supports a further ring gear 18 which engages a ring gear 20 arranged on the upper part of rotary sleeve 22. Accordingly, rotation of main drive shaft 8 will cause the rotary driving of sleeve 22 and thus also the rotation of disc 24 which is rigidly connected to sleeve 22.
  • the rotary disc 24 and thus'the distribution chute is caused to rotate about the blast furnace axis A by energizing the main drive motor 1.
  • the rotary disc 24 and its associated sleeve 22 are arranged concentrically with the central inlet pipe or feed spout 62 through which charge material is delivered to the distribution chute 64 of FIG. 3.
  • An auxiliary drive shaft 42 isdriven by gear 10 on main drive shaft 8 via a planetary gear system indicated generally at 13.
  • the auxiliary drive shaft 42 controls the pitch angle adjustment of the distribution chute independently of the rotation thereof.
  • the planetary gear system 13 comprises a planet wheel 38, engaged by main drive shaft gear 10, a pair of intermediate gears 34 and 36 and an inner gear 32.
  • the two intermediate gears 34 and 36 as may best be seen from FIG. 2, drive a second rotary disc 40 via respective drive shafts 35 and 37.
  • the rotary disc 40 is rigidly connected to auxiliary drive shaft 42.
  • the auxiliary drive shaft 42 passes through an opening provided therefore in ring gear 14 of the intermediate gear means l 1.
  • Auxiliary drive shaft 42 is provided, at its lower end, with a further gear 44.
  • Gear 44 in turn drives a ring gear 46 mounted on rotary disc 24;
  • gear 46 being coupled to rotary disc 24 and rotary sleeve 22 by means of ball or roller bearings 48 as best shown in FIG. 2 whereby ring gear 46 will rotate with but may also be caused to rotate independently of disc 24.
  • Ring gear 46 drives a pinion 50 mounted on a first end of a shaft 56 which passes through rotary disc 24; shaft 56 being rotatably mounted in disc 24 by means of bearings as shown in FIG. 2.
  • Shaft 56 has, either formed or mounted thereon below disc 24, a worm gear thread 54.
  • the worm gear 54 drives a partial gear ring 58 via an intermediate gear 57.
  • the shaft 60 of partial ring gear 58 is connected, in the manner to be described in the discussion of FIG. 3, to the distribution chute for the purpose of adjusting the pitch angle thereof.
  • the worm gear 54, intermediate gear 57 and partial ring gear 58 are isolated from the heat and flue dust in the furnace throat by means of a gear box 52 which is fixed to the underside of rotary disc 24; gear box 52 being depicted in FIGS. 1 and 3.
  • the inner gear 32 of the planet gear means 13 is driven by an auxiliary drive motor 25 via drive shaft 33, gears 30 and 28, a braking device 27 and a clutch 26.
  • the main drive motor I imparts rotary motion to disc 24.
  • drive motor 1 With a properly selected transmission ratio through the various intermediate gears, drive motor 1 will also cause ring gear 46 to rotate at the same speed as disc 24; both disc 24 and gear 46 rotating about the axis A of the furnace.
  • the shaft 56 of pinion 50 With no speed differential between disc 24 and gear 46, the shaft 56 of pinion 50 will remain in an unchanged position with respect to its axis of rotation; shaft 56 being carried along by rotary disc 24.
  • Distribution chute 64 is, accordingly, caused to rotate about the furnace axis A without the angular position or inclination thereof relative to this axis being changed.
  • An increase or reduction of the speed of ring gear 46 relative to rotary disc 24 may be produced through the exercise of control over auxiliary motor 25; the output of motor 25 being applied to ring gear 46 via the planetary gear means 13 in the manner described above.
  • a speed difference between ring gear 46 and rotary disc 24 results in pinion 50 being rotated whereby'worm gear 54 drives partial ring gear 58 to cause a change in the angle of inclination of the distribution chute relative to the blast furnace axis A.
  • the rotary motor 25 was bidirectional whereby the motor could be reversed by means of changing the polarity of the energization signal applied thereto.
  • FIG. 3 depicts the installation of a randomly controllable charge distribution device in accordance with the present invention on a blast furnace.
  • the charging installation is in the form of a superstructure on the blast furnace throat 66.
  • the essential components of the installation which is a bell-less charging apparatus, includes a pair of storage bunkers or intermediate charging hoppers 126, 126' which are provided with respective material discharge channels 128, 128'. Both of material discharge channels 128, 128 empty into the central inlet pipe or feed spout 62.
  • the distribution chute 64 is arranged centrally in the blast furnace port or throat 66 and, in the manner described above, chute 64 is rotatable and may be adjusted in angle of inclination relative to the blast furnace axis A.
  • the charging installation also includes the drive mechanism described above in the discussion of FIGS. 1 and 2 which imparts rotational and angular movement to chute 64.
  • the two intermediate charging hoppers 126, 126' operate in accordance with a fixed cycle and are sealed relative to the outer atmosphere and/or furnace pressure by upper sealing valves, not shown, and lower sealing valves, 130, 130; the lower sealing valves being located at the lower ends of discharge channels 128, 128'.
  • Discharge channels 128, 128 are provided with respective material retaining and flow control valves 132, 132' which regulate the rate of material flow from the intermediate charging hoppers 126, 126' into central feed spout 62.
  • the two intermediate charging hoppers I26, 126' may, if desired, be designed as weighing or quantity measuring hoppers so that the quantity of material in each hopper can be determined continuously during a charging operation and the flow control valves 132,
  • charging hoppers 126, 126 are in fact weight measuring bunkers. As such, the hoppers 126, 126' must not be rigidly connected to the blast furnace. In the interest of obtaining an accurate measurement, angular displaceable corrugated support compensators 134, 136 and 134, 136', are provided for connecting the weighing hoppers to the blast furnace.
  • chute 64 will be caused to rotate and its pitch angle changed with respect to the blast furnace central axis A depending on the type of charging to be performed.
  • chute 64 will describe a path during the charging operation which is dependent upon the quantity of material supplied to the furnace per unit of time; the movement of chute 64 typically being in accordance with a previously determined program to achieve the desired charge distribution.
  • the distribution chute 64 is rotated by disc 24.
  • a chamber 68 is defined above disc 24 by the rotary disc itself.
  • Rotary disc 24 does not seal chamber 68 relative to the blast furnace throat 66.
  • Chamber 68 is, however, sealed relative to the ambient atmosphere by a pressure-tight jacket.
  • the drive described in the discussion of FIGS. 1 and 2 is partially located in a gear box 67 which is fixed to the upper outer wall of drive chamber 68.
  • the rotary sleeve via which rotational motion is transmitted to disc 24 penetrates the partition between v gear box 67 and drive chamber 68 as clearly shown in FIG. 3.
  • the auxiliary drive shaft 42 which serves to'bring about the pitch angle adjustment of the distribution chute, passes centrally through rotary sleeve 16 from gear box 67 to drive chamber 68.
  • Sleeve 16 and shaft 42 are sealed, by means known in the art, to one another and sleeve 16 is in turn sealed in the partition between gear box 67 and chamber 68 whereby atmospheric pressure may be maintained in gear box 67 while drive chamber 68 is under substantially blast furnace throat pressure.
  • the sealing between these two members is exposed to wear only in the case of a relative angular speed difference between sleeve 16 and shaft 42. Restated, with shaft 42 and sleeve 16 synchronized in speed the sealing means therebetween is not effected by friction.
  • a particularly significant feature of the present invention is the ability to isolate the interior of gear box 67 from the interior of drive chamber 68 by conventional means.
  • the sealing of the pressure at the furnace throat relative to the ambient atmosphere, particularly in charging installations employing bells, has presented a problem which has defied adequate solution.
  • drive chamber 68 includes, in addition to the rotary disc 24, gears 18 and 20, conical rotary sleeve 22, gears 44 and 46, and pinion 50.
  • inert gas or purified and cooled blast furnace gas may be introduced into the chamber under an appropriately high pressure via connection 70.
  • the pressure of the cooling gas delivered to chamber 68 is preferably higher than the furnace throat pressure.
  • blast furnace flue dust is inhibited from penetrating from the blast furnace port 66 into chamber 68.
  • the gas flow into chamber 68 also serves-to cool the drive portions which are exposed to the furnace throat temperature.
  • the rotary disc 24 is provided with a heat resistant insulating layer on its underside.
  • the outer wall of drive chamber 68 is provided with a manhole or service port 72 via which the chamber becomes accessible should it become necessary to perform any repairs on the components of the drive system located in chamber 68.
  • the upper or material inflow end of distribution chute 64 is provided, on one of its longitudinal sides, with a support shaft rotatably mounted in a suspension device 74.
  • the suspension device 74 is in the form of a jaw member detachably connected to rotary disc 24 by means accessible from the inside of drive chamber 68.
  • the upper end of the opposite longitudinal side of the distribution chute is provided with a regulating arm 76 which may be seen from joint consideration of FIGS. 3 and 4.
  • the chute 64 is firmly but detachably connected to arm-76.
  • Regulating arm 76 includes or is connected to the transversely extending horizontal shaft 60 of FIGS. 1 and 3; shaft 60 being rotatable about its horizontal axis and accomplishing the pitch angle adjustment of distribution chute 64 in the manner previously described.
  • the shaft 60 and regulating arm 76 are preferably integral.
  • a ring gear segment 58 on a first end of shaft 60 functions as a drive for the pitch angle adjustment; gear segment 58 typically being affixed to shaft 60 by a shrink fitting.
  • Distribution chute 64 will be provided with a pair'of transversely outwardly extending shafts 82 and 84 having ends designed to effect the connection between the regulating arm 76 and chute 64.
  • the ends of shafts 82 and 84 are provided with V shaped annular grooves.
  • the regulating arm 76 is provided with groove seatings 86 and 88 thereby insuring that, upon insertion in the regulating arm 76, chute 64 is automatically centered.
  • the regulating arm 76 is provided with a recess or cut-out which, when arm 76 is in the horizontal position, extends from groove seating 86 in a sloping manner to the upper edge of arm 76.
  • the regulating arm 76 is also provided with a slot 126 which extends vertically from groove seating 88 to the upper edge of the arm.
  • the grooved end of shaft 84 is inserted in groove seating 88 via slot 126.
  • the groove seating 88 is arranged in-such a manner that shaft 84 can not move in the longitudinal direction of arm 76.
  • the grooved end of shaft 82 is retained firmly in groove seating 86, and can not move in either the horizontal or vertical direction, by means of the cut-out 90 which is inclined relative to the regulating arm longitudinal axis.
  • the distribution chute 64 will be connected firmly to regulating arm 76 by means of locking the end of shaft 84 in its cooperating seating 88.
  • shafts 82 and 84 of distribution chute 64 into their respective seatings 86 and 88 of regulating arm 76 is accomplished by first introducing shaft 82 through cut-out 90 into seating 86. Thereafter, by lowering chute 64, shaft 84 may be guided through slot 126 into seating 88. Finally, in the manner to be described below, shaft 84 is locked in seating 88.
  • the regulating arm 76 is also provided with an inclined bore 104.
  • a key 92 will be inserted in bore 104.
  • the underside of key 92 will contact an inclined truncated segment-shaped surface 106 on the end of shaft 84.
  • Surface 106 on the end of shaft 84 is oriented parallelly with groove 104 and key 92 thus locks shaft 84 in seating 88.
  • a bracket 102 formed from a thick metal sheet is attached, preferably by welding, to the jacket of chute 64.
  • Bracket 102 is provided with an aperture which receives an end of key 92 as shown in FIG. 4; the key receiving portion of bracket 102 being approximately perpendicular to the axis of key 92 and bore 104.
  • Key 92 is provided with an end plate 96 which is typically welded to the key.
  • bracket 102 In order to insure that key 92 will beretained in bore 104 of the regulating arm 76, the end plate 96 on key 92 will be connected to bracket 102.
  • the connection between bracket 102 and plate 92 will be by detachable means such as screw couplings inserted at 98 and 100.
  • the key 92 is preferably shaped, as shown in FIG. 4, in the interest of insuring that the key does not fall out of the aperture in bracket 102 upon intentional or accidental detachment of the screw couplings between plate 92 and bracket 102 at points 98 and 100.
  • the upper portion 128 of key 92 is made thicker than the remaining portions thereof whereby the diameter of portion 128 is greater than the diameter of the aperture in bracket 102. Consequently, unintentional detachment of key 92 from bracket 102 is prevented by the end plate 96 and by the thickened portion 128 of the key.
  • the end plate 96 is welded to key 92 after introduction of the end of the key through the aperture in bracket 102.
  • the length of the reduced diameter portion of key 92 between plate 96 and portion 128 is such that the key can be removed satisfactorily and completely from bore 104 and slot 126 of regulating arm 76 before the enlarged portion 128 of key 92 contacts the bracket 102.
  • distribution chute 64 is supported on one longitudinal side by means of regulating arm 76.
  • the variation in the inclination of the distribution chute with respect to the blast furnace central axis is, as may best be seen from a joint consideration of FIGS. 1, 3 and 4, accomplished by transmitting the rotation of shaft 60 to regulating arm 76.
  • the distribution chute 64 is held by the apparatus disclosed in H0. 6 on its longitudinal side disposed opposite to regulating arm 76.
  • the distribution chute 64 is provided, on the side opposite to that having shafts 82 and 84, with a further outwardly extending shaft 110; Shaft 110 is received in a bearing mounting 112 and locked therein by a clamping member or jaw 114. law 114 prevents the shaft 110 from falling out of mounting or block 112 but does not impede the rotation of shaft 110. Removal or repositioning of jaw 114 permits the rapid and easy disassembly of shaft 110 from the supporting mechanism.
  • the bearing block 112 comprises an lower portion 116 and a upper portion 118 which are preferably formed as an integral unit.
  • the lower portion 116 of the bearing block is solid while upper portion 118 is in the form of a yoke.
  • the two lateral walls of the yoke portion 118 of bearing block 112 preferably have the same wall thickness and are welded to the underside of rotary disc 24.
  • the width of the yoke groove is such that the jaw 114 can be passed therethrough with the jaw being slidable in the groove.
  • Jaw 114 is retained, by means of a bolt 117, in the groove of yoke 118. By means of rotating jaw 114 about the bolt 117 the shaft 110 may be clamped in bearing block 112 or released for disassembly purposes as required.
  • the free end of the jaw 114 Le, the end displaced from the portion which contacts shaft 110; is attached to the head of a screw 108; the'means of attachment being a pin 124 which permits rotation of the end of the jaw member about an axis transverse to the axis of screw 108.
  • the screw 108 passes through an opening 120 in rotary disc 24 and, on the upper side of disc 24, is held in place by means of a nut 122.
  • the nut 122 is located in the drive chamber 68 and is therefore accessible via the port 72 (FIG. 3).
  • .law 114 may be rotated about bolt 117 in a first direction by loosening nut 122 in the interest of disassembly of shaft 110 from bearing block 112. Conversely, tightening of nut 122 causes shaft 110 to be clamped in block 112.
  • the blast furnace wall is provided with an opening or port 78 which, during normal furnace operation, is sealed in a pressure tight manner.
  • the furnace is also provided with a working platform 80 on the exterior wall adjacent to port 78. ln order to replace the distribution chute 64, after shutting down the furnace the port 78 is opened from the working platform 80. Chute 64 is rotated toward port 78 with the aid of the drive mechanism described above and is put into an approximately horizontal position. In this position the chute 64 partially projects through port 78.
  • chute 64 During normal operation the pitch angle of chute 64 is limited, for example by suitably positioned limit switches, so that it will not contact the inner wall of the furnace. During assembly and disassembly operations the limit switches will be rendered inoperative thereby permitting chute 64 to be brought into its horizontal position.
  • chute 64 When in the horizontal position, chute 64 is affixed to a crane cross-bar which is, in turn, attached via a cable to a blast furnace crane. With the aid of the crane cross-bar the chute 64 can be assembled or disassembled without personnel entering the blast furnace port or throat. Thus, after chute 64 has been attached to the crane cross-bar, the port 72 on the outer wall of drive chamber 68 will be opened and the drive chamber entered by operating personnel. As noted above, the nut 122 and screw 108 are accessible from within chamber 68 and, accordingly, by means of loosening nut 122 jaw 114 is detached from its clamping position thereby rendering chute 64 ready for disassembly from the drive and support mechanism on the side opposite to the pitch angle regulating arm 76.
  • chute 64 is released from regulating arm 76 from working platform 80. This is accomplished by detaching the coupling mechanisms between clamping key 92 and bracket 102 at points 98 and 100 of FIG. 4. The clamping key 92 is thereupon removed from slot 104.
  • the distribution chute 64 is now ready for disassembly on the pitch angle drive side. Disassembly is achieved by moving chute 64 relative to regulating arm 76 so that shaft 84 is first removed from arm 76 and, by subsequently raising chute 64, shaft 82 is also removed from its seating; the lifting action of chute 64 to accomplish the unseating of shafts 82 and 84 being brought about by the previously mentioned crane crossbar.
  • the distribution chute will now be sus pended freely on the crane cross-bar and may subsequently be brought into position for removal from the furnace throat. The assembly operation will, of course, take place in the reverse sequence to disassembly.
  • said rotatable and angularly adjustable member is a material distribution device mounted within a shaft furnace and wherein said rotary disc and ring gear means are positioned about and concentric with tubular means for delivering material from the exterior of the furnace to said distribution device.
  • a main drive motor having a rotary output shaft
  • pitch angle adjustment drive means coupled to said ring gear means.
  • said pitch angle adjustment drive means comprises:
  • an auxiliary drive motor having a rotatable output shaft
  • planetary gear means including a planet gear, an
  • a rotary sleeve concentric with the tubular material delivering means, said rotary sleeve being affixed adjacent one end thereof to said rotary disc;
  • a rotary sleeve concentric with the tubular material delivering means, said rotary sleeve being affixed adjacent one end thereof to said rotary disc;
  • said mounting means for said distribution device comprises: means rotatably supporting the distribution device at a first point adjacent a first end thereof; regulating arm means supporting said distributing device at said first end thereof in a region substantially oppositely disposed to said first point; and means coupling said regulating arm means to said output shaft means whereby rotation of said output shaft means will cause rotation of said regulating arm means about an axis transverse to the axis of said output shaft means.
  • transverse axle extension extending transversely from said elongated arm, said transverse axle extension being rotatable and being connected to said coupling means.
  • said mounting means for said distribution device comprises:
  • regulating arm means supporting said distributing device at said first endthereof in a region substantially oppositely disposed to said first point;
  • a rotatable axle extending transversely from said rotatable and being connected to said coupling means.
  • transverse axle extension being

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
  • Gear Transmission (AREA)
US00355730A 1972-05-08 1973-04-30 Drive for furnace charge distribution apparatus Expired - Lifetime US3814403A (en)

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LU65312 1972-05-08

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JP (1) JPS5537564B2 (sh)
AT (1) AT332433B (sh)
AU (1) AU469485B2 (sh)
BE (1) BE799227A (sh)
CA (1) CA991401A (sh)
DE (1) DE2314723C2 (sh)
ES (2) ES414457A1 (sh)
FR (1) FR2183866B1 (sh)
GB (1) GB1403467A (sh)
IT (1) IT989206B (sh)
LU (1) LU65312A1 (sh)
NL (1) NL182091C (sh)
SU (1) SU629903A3 (sh)
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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032024A (en) * 1974-11-26 1977-06-28 Demag Aktiengesellschaft Apparatus for distribution of charge material in shaft furnaces, particularly high pressure blast furnaces
US4153140A (en) * 1976-08-06 1979-05-08 S.A. Des Anciens Etablissements Paul Wurth Lubrication technique and apparatus
US4273492A (en) * 1978-08-16 1981-06-16 Paul Wurth, S.A. Charging device for shaft furnaces
US4316681A (en) * 1978-07-31 1982-02-23 Sansho Kabushiki Kaisha Blending equipment
US4368813A (en) * 1980-02-15 1983-01-18 Paul Wurth S.A. Distribution chute control apparatus and method
US4525120A (en) * 1981-04-03 1985-06-25 Paul Wurth S.A. Method of and apparatus for controllably charging a furnace
US5022806A (en) * 1988-09-22 1991-06-11 Paul Wurth S.A. Apparatus for charging a shaft furnace
US5299900A (en) * 1991-05-15 1994-04-05 Paul Wurth S.A. Installation for charging a shaft furnace
US5799777A (en) * 1994-02-01 1998-09-01 Paul Wurth S.A. Device for the distribution of materials in bulk
WO1998058087A1 (fr) * 1997-06-13 1998-12-23 Quansong Seng Alimentateur a goulotte entraine par un cable en acier a l'interieur de la voute du haut-fourneau
EP1001039A1 (fr) * 1998-11-16 2000-05-17 Paul Wurth S.A. Dispositif de repartition de matières en vrac avec goulotte tournante à angle d'inclinaison variable
LU90642B1 (fr) 2000-09-20 2002-03-21 Wurth Paul Sa Dispositif de r-partition de mati-res en vrac avec goulotte rotative - angle d'inclinaison
US20050063804A1 (en) * 2001-12-13 2005-03-24 Robert Gorza Charging device with rotary chute
CZ296756B6 (cs) * 1998-11-16 2006-06-14 Paul Wurth S. A. Zarízení pro rozdelování sypkého materiálu, obsahující zlab s nastavitelným úhlem sklonu
EP1770174A1 (en) 2005-09-30 2007-04-04 Paul Wurth S.A. Charging device for a shaft furnace
US20090180845A1 (en) * 2006-06-21 2009-07-16 Paul Wurth S.A. Charging device for a shaft furnace
LU91413B1 (en) * 2008-02-01 2009-08-03 Wurth Paul Sa Charge distribution apparatus
LU91480B1 (en) * 2008-09-12 2010-03-15 Wurth Paul Sa Shaft furnace charging device and corresponding distribution chute
LU91565B1 (en) * 2009-05-07 2010-11-08 Wurth Paul Sa A shaft furnace charging installation having a drive mechanism for a distribution chute.
WO2010139776A1 (en) 2009-06-05 2010-12-09 Paul Wurth S.A. Device for distributing charge material in a shaft furnace
US20100329826A1 (en) * 2008-01-30 2010-12-30 Paul Wurth S.A. Charging device for distributing bulk material
WO2011131548A1 (en) 2010-04-22 2011-10-27 Paul Wurth S.A. Device for distributing bulk material with a distribution spout supported by a cardan suspension
WO2012016902A1 (en) 2010-08-06 2012-02-09 Paul Wurth S.A. Distribution device for use in a charging installation of a metallurgical reactor
US8701856B2 (en) 2009-10-09 2014-04-22 Nippon Steel Engineering Co., Ltd. Loading device
US20150204608A1 (en) * 2012-07-18 2015-07-23 Paul Wurth S.A. Rotary charging device for shaft furnace
US20150211793A1 (en) * 2012-07-18 2015-07-30 Paul Wurth S.A. Rotary charging device for shaft furnace
US9926614B2 (en) * 2014-07-07 2018-03-27 Paul Wurth S.A. Device for immobilizing the chute on the ends of journals in an apparatus for loading a shaft furnace

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JPS5222802B2 (sh) * 1973-10-12 1977-06-20
JPS5745248Y2 (sh) * 1978-02-13 1982-10-05
LU84521A1 (fr) * 1982-12-10 1984-10-22 Wurth Paul Sa Dispositif de refroidissement d'une installation de chargement d'un four a cuve
US5094609A (en) * 1990-04-17 1992-03-10 Vistakon, Inc. Chamber for hydrating contact lenses
FR2692595A1 (fr) * 1992-06-22 1993-12-24 Int Equipement Dispositif d'alimentation pour haut-fourneau.
JP5611000B2 (ja) * 2010-02-23 2014-10-22 新日鉄住金エンジニアリング株式会社 装入装置およびその制御方法

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US3693812A (en) * 1969-07-31 1972-09-26 Wurth Anciens Ets Paul Furnace charging apparatus

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US3693812A (en) * 1969-07-31 1972-09-26 Wurth Anciens Ets Paul Furnace charging apparatus

Cited By (47)

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Publication number Priority date Publication date Assignee Title
US4032024A (en) * 1974-11-26 1977-06-28 Demag Aktiengesellschaft Apparatus for distribution of charge material in shaft furnaces, particularly high pressure blast furnaces
US4153140A (en) * 1976-08-06 1979-05-08 S.A. Des Anciens Etablissements Paul Wurth Lubrication technique and apparatus
US4316681A (en) * 1978-07-31 1982-02-23 Sansho Kabushiki Kaisha Blending equipment
US4273492A (en) * 1978-08-16 1981-06-16 Paul Wurth, S.A. Charging device for shaft furnaces
US4368813A (en) * 1980-02-15 1983-01-18 Paul Wurth S.A. Distribution chute control apparatus and method
US4525120A (en) * 1981-04-03 1985-06-25 Paul Wurth S.A. Method of and apparatus for controllably charging a furnace
US4547116A (en) * 1981-04-03 1985-10-15 Paul Wurth, S.A. Apparatus for controllably charging a furnace
US5022806A (en) * 1988-09-22 1991-06-11 Paul Wurth S.A. Apparatus for charging a shaft furnace
US5299900A (en) * 1991-05-15 1994-04-05 Paul Wurth S.A. Installation for charging a shaft furnace
US5799777A (en) * 1994-02-01 1998-09-01 Paul Wurth S.A. Device for the distribution of materials in bulk
WO1998058087A1 (fr) * 1997-06-13 1998-12-23 Quansong Seng Alimentateur a goulotte entraine par un cable en acier a l'interieur de la voute du haut-fourneau
CN1046552C (zh) * 1997-06-13 1999-11-17 僧全松 钢丝绳传动的高炉炉顶溜槽布料器
EP1001039A1 (fr) * 1998-11-16 2000-05-17 Paul Wurth S.A. Dispositif de repartition de matières en vrac avec goulotte tournante à angle d'inclinaison variable
LU90319B1 (fr) * 1998-11-16 2000-07-18 Wurth Paul Sa Dispositif de r-partition de mati-res en vrac avec goulotte tournante - angle d'inclinaison variable
CZ296756B6 (cs) * 1998-11-16 2006-06-14 Paul Wurth S. A. Zarízení pro rozdelování sypkého materiálu, obsahující zlab s nastavitelným úhlem sklonu
LU90642B1 (fr) 2000-09-20 2002-03-21 Wurth Paul Sa Dispositif de r-partition de mati-res en vrac avec goulotte rotative - angle d'inclinaison
US20050063804A1 (en) * 2001-12-13 2005-03-24 Robert Gorza Charging device with rotary chute
US7311486B2 (en) * 2001-12-13 2007-12-25 Paul Wurth S.A. Charging device with rotary chute
EP1770174A1 (en) 2005-09-30 2007-04-04 Paul Wurth S.A. Charging device for a shaft furnace
US20090180845A1 (en) * 2006-06-21 2009-07-16 Paul Wurth S.A. Charging device for a shaft furnace
US8353660B2 (en) * 2008-01-30 2013-01-15 Paul Wurth S.A. Charging device for distributing bulk material
US20100329826A1 (en) * 2008-01-30 2010-12-30 Paul Wurth S.A. Charging device for distributing bulk material
CN101932732B (zh) * 2008-02-01 2012-11-21 保尔伍斯股份有限公司 布料设备
US20100322744A1 (en) * 2008-02-01 2010-12-23 Paul Wurth S.A. Charge distribution apparatus
EA017882B1 (ru) * 2008-02-01 2013-03-29 Поль Вурт С.А. Устройство для распределения шихты
LU91413B1 (en) * 2008-02-01 2009-08-03 Wurth Paul Sa Charge distribution apparatus
WO2009095138A1 (en) * 2008-02-01 2009-08-06 Paul Wurth S.A. Charge distribution apparatus
US20110164950A1 (en) * 2008-09-12 2011-07-07 Paul Wurth S.A. Shaft furnace charging device and corresponding distribution chute
LU91480B1 (en) * 2008-09-12 2010-03-15 Wurth Paul Sa Shaft furnace charging device and corresponding distribution chute
WO2010028894A1 (en) * 2008-09-12 2010-03-18 Paul Wurth S.A. Shaft furnace charging device and corresponding distribution chute
US8727691B2 (en) 2008-09-12 2014-05-20 Paul Wurth S.A. Shaft furnace charging device and corresponding distribution chute
RU2506318C2 (ru) * 2008-09-12 2014-02-10 Поль Вурт С.А. Загрузочное устройство шахтной печи и соответствующий распределительный желоб
CN102356166A (zh) * 2009-05-07 2012-02-15 保尔伍斯股份有限公司 具有用于布料斜槽的驱动机构的竖炉加料设备
WO2010127904A1 (en) 2009-05-07 2010-11-11 Paul Wurth S.A. A shaft furnace charging installation having a drive mechanism for a distribution chute
LU91565B1 (en) * 2009-05-07 2010-11-08 Wurth Paul Sa A shaft furnace charging installation having a drive mechanism for a distribution chute.
CN102356166B (zh) * 2009-05-07 2013-11-13 保尔伍斯股份有限公司 具有用于布料斜槽的驱动机构的竖炉加料设备
RU2501863C2 (ru) * 2009-05-07 2013-12-20 Поль Вурт С.А. Загрузочная установка шахтной печи с приводным механизмом для распределительного лотка
WO2010139776A1 (en) 2009-06-05 2010-12-09 Paul Wurth S.A. Device for distributing charge material in a shaft furnace
US8701856B2 (en) 2009-10-09 2014-04-22 Nippon Steel Engineering Co., Ltd. Loading device
WO2011131548A1 (en) 2010-04-22 2011-10-27 Paul Wurth S.A. Device for distributing bulk material with a distribution spout supported by a cardan suspension
US9133529B2 (en) 2010-04-22 2015-09-15 Paul Wurth S.A. Device for distributing bulk material with a distribution spout supported by a cardan suspension
WO2012016902A1 (en) 2010-08-06 2012-02-09 Paul Wurth S.A. Distribution device for use in a charging installation of a metallurgical reactor
US20150204608A1 (en) * 2012-07-18 2015-07-23 Paul Wurth S.A. Rotary charging device for shaft furnace
US20150211793A1 (en) * 2012-07-18 2015-07-30 Paul Wurth S.A. Rotary charging device for shaft furnace
US9389019B2 (en) * 2012-07-18 2016-07-12 Paul Wurth S.A. Rotary charging device for shaft furnace
US9546819B2 (en) * 2012-07-18 2017-01-17 Paul Wurth S.A. Rotary charging device for shaft furnace
US9926614B2 (en) * 2014-07-07 2018-03-27 Paul Wurth S.A. Device for immobilizing the chute on the ends of journals in an apparatus for loading a shaft furnace

Also Published As

Publication number Publication date
DE2314723C2 (de) 1984-05-03
AT332433B (de) 1976-09-27
FR2183866B1 (sh) 1977-02-11
AU5540573A (en) 1974-11-14
JPS4941205A (sh) 1974-04-18
LU65312A1 (sh) 1972-08-23
NL7305251A (sh) 1973-11-12
ES414457A1 (es) 1976-05-16
NL182091B (nl) 1987-08-03
AU469485B2 (en) 1976-02-12
NL182091C (nl) 1988-01-04
FR2183866A1 (sh) 1973-12-21
GB1403467A (en) 1975-08-28
BE799227A (fr) 1973-08-31
SU629903A3 (ru) 1978-08-25
ATA258273A (de) 1976-01-15
IT989206B (it) 1975-05-20
JPS5537564B2 (sh) 1980-09-29
DE2314723A1 (de) 1973-11-29
ES440823A1 (es) 1977-03-01
CA991401A (en) 1976-06-22
ZA732772B (en) 1974-04-24

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