EP0099542A2 - Installation de projection, en particulier pour le revêtement, par exemple, des fours de fusion et des poches de coulée - Google Patents

Installation de projection, en particulier pour le revêtement, par exemple, des fours de fusion et des poches de coulée Download PDF

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Publication number
EP0099542A2
EP0099542A2 EP83106821A EP83106821A EP0099542A2 EP 0099542 A2 EP0099542 A2 EP 0099542A2 EP 83106821 A EP83106821 A EP 83106821A EP 83106821 A EP83106821 A EP 83106821A EP 0099542 A2 EP0099542 A2 EP 0099542A2
Authority
EP
European Patent Office
Prior art keywords
arm
plate
ejection device
spray nozzle
sensor
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.)
Granted
Application number
EP83106821A
Other languages
German (de)
English (en)
Other versions
EP0099542B1 (fr
EP0099542A3 (en
Inventor
Kurt Wolf
Friedrich Prof. Dr.-Ing. Habil. Eckstein
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 AT83106821T priority Critical patent/ATE27483T1/de
Publication of EP0099542A2 publication Critical patent/EP0099542A2/fr
Publication of EP0099542A3 publication Critical patent/EP0099542A3/de
Application granted granted Critical
Publication of EP0099542B1 publication Critical patent/EP0099542B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/02—Linings
    • B22D41/023—Apparatus used for making or repairing linings
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/44—Refractory linings
    • C21C5/441—Equipment used for making or repairing linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
    • F27D1/1642—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0021—Devices for monitoring linings for wear

Definitions

  • Melting furnaces, ladles or the like are provided with a refractory lining, the delivery.
  • This lining is subject to severe erosion at certain points. It is therefore necessary to repair the lining locally at these points from time to time.
  • DE-OS 28 48 928 is a device for mending the delivery of melting furnaces, ladles or the like.
  • a spray tube is mounted in a vertical arrangement on a frame which carries a crane hook at its upper end while the spray tube protrudes downward from the frame.
  • the spray tube is angled to the side at its lower end.
  • Remotely controllable means are provided for rotating the spray tube about its longitudinal axis and for adjusting the height thereof relative to the frame.
  • the frame with the spray tube is or the like with a crane from above into a melting furnace to be repaired. let down.
  • the spray tube can be directed at the various areas to be repaired by remote control and fireproof material can be sprayed onto these areas.
  • the spray nozzle is at the end of the spray tube at a fixed distance from the axis of rotation of the spray tube.
  • the distance of the spray nozzle from the inner wall of the cavity changes so that the one reaching the inner wall Depending on the distance between the inner wall and the spray nozzle, the material blows more or less.
  • a method and a device for repairing damaged parts of the lining of fireproof-lined vessels are known, in which also a spray tube with an angled spray nozzle at the lower end.
  • a frame lowered into the vessel are rotatably arranged.
  • the inner wall of the vessel is scanned by microwaves so that deviations from a normal shape are determined.
  • the spray nozzle is adjusted accordingly so that the deviations are corrected by spraying on refractory material.
  • the spray nozzle is arranged at a fixed distance from the axis of rotation, namely practically on the axis of rotation.
  • the object of the invention is to enable an ejection device of the type defined at the outset to compensate for depressions in the inner wall of the cavity in a simple and effective manner.
  • Embodiments of the invention are the subject of the dependent claims.
  • an ejection device can be created according to this principle, which on the one hand can work fully automatically, but on the other hand is built very robustly with essentially only mechanical parts that can withstand the harsh, hot and dusty environmental conditions that an ejection device of the present type can withstand usually exposed.
  • FIG. 1 shows an ejection device 10, through which the inner wall 12 of an essentially rotationally symmetrical cavity can be ejected with a mass adhering to this inner wall.
  • the exemplary embodiment shown is the repair of a "delivery", that is to say a lining with a refractory mass, which has received irregular depressions 14 during operation by burning out.
  • the ejection device contains a carrier 16 which can be moved into the cavity by lifting means (not shown) in the lifting direction (vertical in FIG. 1).
  • 18 denotes a mass-injection device which has a spray nozzle 22 seated on an arm 20 and is rotatably mounted on the carrier 16 and can be rotated by a drive motor 24 seated on the carrier 16 about an axis 26 parallel to the stroke direction.
  • the spray nozzle 22 can be moved radially with the arm 20.
  • An adjusting device (FIGS. 2 and 5) is provided for adjusting the arm 20 with the spray nozzle 22, by means of which the arm can be adjusted radially in accordance with the normal cross-sectional profile of the cavity to be sprayed out.
  • a sensor 28 which responds to the distance between the inner wall 12.
  • the drive motor 24 can be controlled by the sensor 28 in a manner yet to be described in such a way that the rotational movement of the mass spraying device 18 is delayed when the distance between a reference point of the sensor and the adjacent inner wall exceeds a predetermined dimension.
  • a rotating cutting head 30 for smoothing the inner wall 12 and the mass sprayed onto it can be attached to the outer end of the arm 20.
  • the adjusting device contains a head plate 32 with a radial guide 34 for the arm 20 and a template plate 36, which can be rotated against it, with a control curve 38.
  • the head plate 32 is provided by a turning device to be described and the template plate 36 is rotatable relative to each other depending on the stroke of the carrier.
  • the control curve 38 can be scanned by a scanning and adjusting device 40.
  • the arm 20 is thereby radially adjustable according to the control curve 38 and the angle of rotation between the head plate 32 and the template plate 36.
  • the template plate 36 has a slot as the control cam 38, the ends of which have different distances r1 and r2 from the axis of rotation 42, around which the head and template plates 32 and 36 can be rotated relative to one another.
  • Attached to the arm 20 is a feeler member, preferably a cam roller 44 (FIG. 4), which engages in the slot.
  • arm 20 is a rod of circular cross-section.
  • the guide 34 provided on the head plate 32 has a lower pair of rollers 46, 48 with a concave-toroidal surface on which the rod 20 rests, and an upper roller 50 with a concave-toroidal surface, which lies between the lower rollers 46, 48 resiliently rests on the rod 20.
  • the end of the rod 20 facing away from the spray nozzle 22 is provided with flats 52, 54 on opposite sides.
  • a projection 56 extending perpendicular to the arm 20 engages with a fork-shaped end 58 over these flats 52, 54 and is connected to the rod 20.
  • the cam roller 44 is attached to the end face of this approach 56.
  • the circular cross-sectional shape of the rod 20 has the advantage that dust cannot easily stick to the surface of the rod 20.
  • the straight line through the rollers 46, 48 and 50 is also very insensitive to dirt.
  • a rotation of the rod 20 in the guide 34 is prevented by the shoulder 56 and the guidance of the cam roller 44 in the slot of the cam 38. 6 shows how the spray nozzle 22 can be moved radially between the two end positions shown when the stencil plate 36 is rotated relative to the head plate 32.
  • the head plate 32 and the template plate 36 are rotatably mounted on a central pin 60.
  • a channel 62 for the mass to be sprayed runs through the pin 60.
  • a hose 64 is connected to the lower end of the channel 62, through which the mass to be sprayed is supplied.
  • the mass to be sprayed is passed on via a hose 66.
  • the hose 66 is of sufficient length to follow the radial adjustment of the spray nozzle 22.
  • the arm 20, as can be seen from FIG. 5, is cranked around this stationary pin 60 in such a way that the adjustment of the spray nozzle 22 always takes place radially to the axis of rotation 42 which coincides with the axis of rotation 26 (FIG. 1) of the mass spraying device 18 .
  • the drive motor 24 for the mass spraying device 18 engages on a part 68 which supports the head plate 32.
  • the part 68 contains a hub part 70 which is mounted on the stationary journal 60 via ball bearings 72, 74.
  • part 68 forms a connecting piece 76 for connecting hose 66.
  • part 68 forms a gearwheel 78, which is driven by motor 24 via a pinion 80.
  • Seals 82, 84 are pressed in between the pin 60 and the part 68 which can be rotated against it. In this way, the pin 60 and the part 68 serve as a rotary coupling, via which the mass to be sprayed is passed from the stationary hose 64 into the hose 66 rotating with the mass spraying device 18.
  • a latching device 86 is provided, by means of which the template plate 36 can be latched in a plurality of relative angular positions with respect to the head plate 32, so that when the part 68 is rotated it is carried along with the latter and the head plate.
  • a stop 88 is connected to the template plate 36.
  • the template plate is seated on a hub part 90 which is rotatably mounted on part 68.
  • the stop 88 is formed by a radial pin guided in the hub part 90.
  • a fixedly arranged, controlled stop member 92 can be moved into the path of this stop 88 in such a way that the engagement of the template plate 36 is released and the template plate 36 remains behind the rotating head plate until it engages again in another detent position determined by the control of the stop member 92 .
  • the stop member 92 is provided on the armature of a solenoid 94.
  • the latching device 86 contains a latching ball 96 which is seated in an axial bore 98 of the driven part 68 which supports the head plate 32 and is under the influence of a compression spring 100 which is screwed onto a screwed into the axial bore 98 Abutment ring 102 supports.
  • the latching device 86 also contains a ring of depressions 104 on a part carrying the template plate 36. As shown in the right half of FIG. 2, this part can be the hub part 90, in the lower end face of which the bores 1 0 4 are provided. However, as is shown in the left half of FIG. 2, a flange 105 can be formed on the hub part 90, in which the recesses 104 are formed.
  • the depressions define a plurality of relative angular positions between the head plate 32 and the template plate 26.
  • a switching pin 106 is attached to the latching ball 96, by means of which a switch 108 can be actuated when the latching mechanism is released and the latching ball 96 is depressed.
  • the switch 108 can be used to trigger a timing element, via which the stop element on the stencil plate can be actuated after a predetermined, optionally programmable, delay time in order to release the stop.
  • the template plate can be rotated relative to the head plate in more or less large steps. If the radius of the “desired area” increases, then depending on the stroke of the carrier 16 and the mass spraying device 18, the magnet 94, which is seated on the stationary carrier 16, is excited. As a result, the stop member 92 comes into the
  • the magnet 94 is switched off before reaching the next depression 104 and the stop member 92 is withdrawn.
  • the detent ball 96 then falls into the next recess 104, so that the hub part 90 and the template plate 36 are then taken along with the part 68 and the head plate 32.
  • the head plate 32 and the template plate 36 have then been rotated against one another by one step.
  • the lifting magnet 94 can also remain energized for a longer period of time, so that the stencil plate 36 is rotated by several steps relative to the top plate 32 before the stencil plate 36 is released and the latching device 86 engages again and the stencil plate 36 with the top plate 32 takes along.
  • the spray nozzle 22 is moved radially outwards.
  • the direction of rotation of the drive motor 24 is reversed.
  • the stop 88 then also contacts the stop member 92 when the solenoid 94 is energized, but on the opposite side.
  • the latching device 86 is also released and the template plate is now rotated in the opposite direction to the head plate which continues to rotate.
  • the lifting magnet 94 with the stop member 92 is pivotally mounted about an axis 110 parallel to the axis of rotation 26 of the mass spraying device 18. It bears against a stop 114 under the influence of a compression spring 112. A limit switch 116 can be actuated when lifting magnet 94 is lifted from said stop 114 against the action of compression spring 112. Drive motor 2.4 and lifting magnet 94 can be switched off by limit switch 116.
  • the compression spring 112 is strong enough to hold the lifting magnet 94 against the stop 114, even if the stop 88 comes to bear against the stop member 94 and the latching device 86 is triggered. However, if the cam roller 44 comes to the end of the slot 38 during the reverse rotation and the template plate 36 from the top plate 32. is taken, then the spring 112 is overcome. The lifting magnet 94 dodges and actuates the limit switch 116, which switches off the drive motor 24 and the lifting magnet 94.
  • FIG. 9 the function of the locking device 86 and the solenoid 94 with the stop member 92 and the stop 88 is schematically shown in the event that the cavity to be sprayed out first cylindrical with a small diameter in the region 118 then conically with a diameter widening from the smaller diameter in the region 120 and finally again cylindrical with a larger diameter in the region 122. This is shown in the upper part of FIG. 9. The various positions that the locking ball 96 occupies with the switching pin 106 are also shown.
  • the first column in FIG. 9 shows the starting position which is given when the desired area of the cavity is cylindrical, that is to say the radius of the spray nozzle 22 is not to be changed.
  • the detent ball 96 is in its upper position, in which it couples the part 68 to the hub part 90 and thus the head plate 32 to the template plate 36.
  • the solenoid 94 is not energized and the stop member 92 is withdrawn.
  • the stop 88 can therefore pass the stop member 92 unhindered.
  • the lifting magnet 94 is excited at the beginning of the conical section 120.
  • the stop member 92 is moved into the path of the stop 88.
  • the detent ball 96 is pressed down with the switching pin 106. The coupling between the rotating head plate 32 and the template plate 36 retained by the stop member 92 is released.
  • switch 108 is actuated. After a predetermined time, the lifting magnet 94 is switched off again and the stop member 92 is thereby withdrawn. When the next depression 104 is reached, if the locking ball 96 falls back into the recess 104 and the coupling between the head plate 32 and the template plate 36 is restored, the template plate is no longer retained by the stop 88 and the stop member 92. The head plate and template plate then rotate together again in the new relative angular position.
  • the time delay between the actuation of the switch 108 and the switching off of the solenoid 94 again, and thus the number of angular increments between the disengagement and removal depends on the slope of the cone in the region 120 and is entered via a suitable program.
  • the sensor 28 contains a part 120 fixed to the arm 20 and a feeler 124 movable relative thereto against the action of a spring 122.
  • the movement of the feeler 124 relative to the part 120 fixed to the arm makes it possible to control a brake (FIG. 11) which brakes the part carrying the head plate 32.
  • a sensor responsive to this power consumption of the drive motor 24 causes the sensor to sit still Drive motor 24 for a predetermined time when the power consumption of the drive motor * 24 exceeds a predetermined power consumption.
  • the circumferential, the part 32 carrying the head plate is braked by this braking, which increases the power consumption of the motor 24, that is, for example, the current consumption in the case of an electric motor, and a sensor (not shown) responds to this increase and stops the drive motor 24 for a predetermined time the arm 20 does not continue with the spray nozzle 22, and a larger amount of the mass to be sprayed on, which is to fill the depression 14, is applied.
  • the brake is a shoe brake which rotates with the mass spraying device 18 and has two curved brake arms 126 and 128 which are connected to one another like scissors and which carry the brake shoes at their ends, of which only one brake shoe 130 is shown in FIG. 11 is.
  • the arcuate brake arms 126 and 128 engage around a fixed drum 132 (FIGS. 1 and 2); on which the brake shoes 130 come into contact when the brake is applied.
  • the movement of the pushbutton 124 relative to the part 120 fixed to the arm can be transmitted via an actuating cable 134 (Bowden cable) to two levers 136 and 138 seated on the curved arms 126, 128, such that the evaluation movement of the pushbutton 124 extends beyond a desired position Brake is applied.
  • actuating cable 134 Boden cable
  • the part 120 of the sensor 28 which is fixed to the arm 20 is a cup-shaped part.
  • the sensing element has a movable cup-shaped part 140, which extends with its open end into the cup-shaped fixed part 120 and is slidably guided therein, as well as the helical spring 122, which is arranged within the two cup-shaped parts, and one on the end face of the movable cup-shaped part 140 attached probe body 142, for example in the form of a roll.
  • the movable cup-shaped part 140 has a longitudinal slot 144.
  • a pin 146 sits on the fixed part 120 of the sensor 28 and protrudes into the longitudinal slot 144 and prevents relative rotation of the parts 120 and 140.
  • the part 120 fixed to the arm 20 has a sleeve 148 which is provided at one end with an external thread 150 and a nut 152 which is screwed onto the external thread 150 and to which an end plate 154 forming the bottom of the cup-shaped part 120 is welded on.
  • a central rod 156 is connected to the pushbutton 124 and extends through the fixed part 120 and the end plate 154.
  • the rod 156 is connected to the core 158 and the end plate 154 to the casing 160 of the actuating cable.
  • the cutting head 30 is driven in the following way:
  • a stationary, cylindrical housing part 132 of the carrier 16, against which the mass spraying device 18 can be rotated by the drive motor 24, has a toothing 162 on its circumference.
  • a shaft 164 is mounted on the mass spraying device 18, on which a toothed wheel 166 is seated.
  • the toothed wheel 166 is in engagement with the toothing 162 on the stationary housing part 132.
  • the shaft 164 is connected to the cutting head 30 via a flexible shaft 168 coupled.
  • the toothing 162 is formed by a chain stretched around the cylindrical housing part 132.
  • the toothed wheel 166 is accordingly a sprocket. In this way, the rotational movement of the cutting head 30 is derived from the rotational movement of the mass spraying device 18.
  • the drive motor 24 thus simultaneously drives the cutting head 30.
  • the cutting head has a shaft 172, which is mounted in a clamping sleeve 170 via a conventional sealed axial and radial bearing and has a longitudinal slot 174 at its end.
  • a transverse pin 178 is seated in a transverse bore 176 of the shaft.
  • the transverse pin 178 has longitudinal slots 180, 182 at its ends.
  • An arcuate knife 184 is held at its ends 186, 188 in the longitudinal slots 180 and 182 of the cross pin 178 and is guided in the middle in the longitudinal slot 174 of the shaft 172.
  • Spacers 190 and 192 are provided on the transverse pin 178 on both sides of the shaft 172 between the shaft 172 and the ends 186 and 188 of the knife 184.
  • FIG. 14 and 15 show an embodiment in which a cylindrical inner wall 200 is lined with irregular depressions 202 caused by burnout.
  • the radius of the inner wall 200 is constant.
  • the spray nozzle which is designated here by 204, is always at substantially the same distance from the surface to be sprayed, even in the case of deeply burned-out depressions. This ensures that the sprayed material is optimally held on the surface, namely if the spray nozzle is too close to the surface, the sprayed material jet becomes too hard.
  • the spray material jumps off the surface or sprayed material that has already been applied is loosened again. If the spray nozzle is too far away from the surface, the spray material is not hurled sufficiently firmly against the surface and does not adhere to it but falls off.
  • the ejection device for ejecting the inner wall 200 of a cavity 210 also contains a carrier 212 which can be moved into the cavity 210 by lifting means, and the mass spraying device 208 with the spray nozzle 204.
  • the mass spraying device 208 is still closed via the bearing 214 in FIG descriptively rotatably mounted on the carrier 212.
  • the mass spraying device 208 is driven by a drive motor 216 seated on the carrier 212 by a parallel to the stroke direction, i.e. vertical, axis 217 rotatable.
  • Sensor 206 is provided which responds to burnout of inner wall 200.
  • the drive by the drive motor 216 can also be controlled in the embodiment according to FIGS. 14 and 15 in such a way that the rotary movement of the mass spraying device 208 is delayed when the sensor 206 responds.
  • the spray nozzle 204 can be moved radially.
  • An adjusting device 218 is provided for adjusting the spray nozzle 204, by means of which the spray nozzle 204 is always kept essentially at a predetermined, optimal distance from the inner wall 200.
  • the senor 206 contains a button 220 which is resiliently pressed outwards by a spring 222 and a sensor (not shown) which is responsive to the movement of the button 220, electrical signal transmitter.
  • the drive motor 216 is controlled by the signals from the signal generator. Displacement transducers are known in many forms. It is also known to the person skilled in the art how an actuating motor can be controlled in dependence on the signal from the signal transmitter so that the rotary movement is delayed as a function of signals from the signal transmitter. This is therefore not shown and described in detail here.
  • the spray nozzle 204 is seated on a radially movable arm 224 (FIG. 15).
  • Arm 224 has a pair of parallel rods 226, 228.
  • the rods 226, 228 are connected by a cross member 230 at the outer end of the arm 224.
  • the rods 226, 228 are guided between four pairs of guide rollers 232 in a substantially radially movable manner.
  • the actuating device 218 has an electrical actuating cylinder 234 which is controlled by the signals from the signal transmitter of the sensor 206.
  • the actuating cylinder 232 extends parallel to the rods 226, 228 and engages the crossbar 230. Between the rods 226 and 228 there is a holder 236 which projects perpendicularly to the latter.
  • the holder 236 holds the spray nozzle 206.
  • the spray nozzle 206 is located at the end of a flexible hose 238.
  • the hose 238 is connected to a stationary compressed air and mass supply line 242 via a rotary coupling 240 coaxial with the axis of rotation 217 of the mass spraying device.
  • the compressed air and M includes leaving supply line 242 is a straight pipe piece which extends through an attached to the top of the carrier 212 socket 244th
  • a hat-shaped part 246 is mounted on this bushing via the bearings 214.
  • the hat-shaped part 246 carries a table 249 on which the parts of the bulk injection described above direction are arranged.
  • the edge of the hat-shaped part 246 is provided with teeth. This ver. toothing is in engagement with a pinion 248, which stands on the shaft of the drive motor 216.
  • a rotating cutting head 250 is also provided for smoothing the inner wall 200 and the mass sprayed onto it.
  • This rotating cutting head 250 is in the embodiment according to FIGS. 14 and 15. driven by a pneumatic motor 252.
  • Said flexible hose 238 can optionally be connected to the spray nozzle 204 or the pneumatic motor, as is indicated in FIG. 14 by the dashed line 254. In the latter case, pure compressed air can be connected to the hose 238 via the mass supply line 242 and the rotary coupling 240.
  • the button 220 assumes its "target position".
  • the signal transmitter controlled by the button 220 also controls the actuating cylinder 234 into its desired position, in which the spray nozzle 204 is at an optimal distance from the inner wall 200, as explained above.
  • the signal generator simultaneously controls the drive motor 216 so that the mass spraying device 208 rotates at a predetermined relatively high speed. Carrier 212 is slowly moved upward.
  • the arm 224 When the button 220 detects the depression 202, the arm 224 is moved outward once via the actuating cylinder 234 and the spray nozzle 204 is thereby advanced. It thus resumes its optimal position with respect to the inner wall to be molded on, which is now formed by the bottom of the recess 202. At the same time, for one certain time, the speed of the drive motor 216 is reduced, so that more mass is sprayed onto the inner wall 200 per swept angle than before, and thereby the recess 202 is filled.
  • the relationship between the signal of the signal generator and the change in the speed of the drive motor 216 or of the pinion 248 can be changed according to the respective needs at a control knob 254.
EP83106821A 1982-07-20 1983-07-12 Installation de projection, en particulier pour le revêtement, par exemple, des fours de fusion et des poches de coulée Expired EP0099542B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83106821T ATE27483T1 (de) 1982-07-20 1983-07-12 Ausspritzvorrichtung, insbesondere zum ausbessern der zustellung von schmelzoefen, giesspfannen o.dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3227034 1982-07-20
DE19823227034 DE3227034A1 (de) 1982-07-20 1982-07-20 Ausspritzvorrichtung, insbesondere zum ausbessern der zustellung von schmelzoefen, giesspfannen o.dgl.

Publications (3)

Publication Number Publication Date
EP0099542A2 true EP0099542A2 (fr) 1984-02-01
EP0099542A3 EP0099542A3 (en) 1985-05-02
EP0099542B1 EP0099542B1 (fr) 1987-05-27

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ID=6168819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106821A Expired EP0099542B1 (fr) 1982-07-20 1983-07-12 Installation de projection, en particulier pour le revêtement, par exemple, des fours de fusion et des poches de coulée

Country Status (3)

Country Link
EP (1) EP0099542B1 (fr)
AT (1) ATE27483T1 (fr)
DE (2) DE3227034A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460075A (zh) * 2021-12-30 2022-05-10 南京华鼎纳米技术研究院有限公司 一种基于图像识别的纸张修补方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1056213A (en) * 1964-03-13 1967-01-25 Refractory & Insulation Corp Method of coating furnace surfaces
FR2314531A1 (fr) * 1975-06-13 1977-01-07 Nippon Steel Corp Procede et appareil pour reparer la surface endommagee des recipients a garnissage refractaire
US4120260A (en) * 1976-04-19 1978-10-17 Kurosaki Refractories Co., Ltd. Apparatus for applying refractory material onto the inner surface of a furnace
US4218050A (en) * 1974-11-22 1980-08-19 Spribag Aktiengesellschaft Apparatus and methods for automatically lining containers, especially casting ladles
EP0039212A1 (fr) * 1980-04-25 1981-11-04 Quigley Company Inc. Appareil pour réparer des revêtements réfractaires
EP0041932A1 (fr) * 1980-06-06 1981-12-16 Svenska Silikaverken Ab Appareil de pulvérisation pour appliquer un revêtement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1056213A (en) * 1964-03-13 1967-01-25 Refractory & Insulation Corp Method of coating furnace surfaces
US4218050A (en) * 1974-11-22 1980-08-19 Spribag Aktiengesellschaft Apparatus and methods for automatically lining containers, especially casting ladles
FR2314531A1 (fr) * 1975-06-13 1977-01-07 Nippon Steel Corp Procede et appareil pour reparer la surface endommagee des recipients a garnissage refractaire
US4120260A (en) * 1976-04-19 1978-10-17 Kurosaki Refractories Co., Ltd. Apparatus for applying refractory material onto the inner surface of a furnace
EP0039212A1 (fr) * 1980-04-25 1981-11-04 Quigley Company Inc. Appareil pour réparer des revêtements réfractaires
EP0041932A1 (fr) * 1980-06-06 1981-12-16 Svenska Silikaverken Ab Appareil de pulvérisation pour appliquer un revêtement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114460075A (zh) * 2021-12-30 2022-05-10 南京华鼎纳米技术研究院有限公司 一种基于图像识别的纸张修补方法
CN114460075B (zh) * 2021-12-30 2023-12-19 南京华鼎纳米技术研究院有限公司 一种基于图像识别的纸张修补方法

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EP0099542B1 (fr) 1987-05-27
DE3227034A1 (de) 1984-01-26
DE3371808D1 (en) 1987-07-02
EP0099542A3 (en) 1985-05-02
ATE27483T1 (de) 1987-06-15

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