CN109047745B - Ladle lining refractory material injection device - Google Patents
Ladle lining refractory material injection device Download PDFInfo
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- CN109047745B CN109047745B CN201811282523.4A CN201811282523A CN109047745B CN 109047745 B CN109047745 B CN 109047745B CN 201811282523 A CN201811282523 A CN 201811282523A CN 109047745 B CN109047745 B CN 109047745B
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- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 239000011819 refractory material Substances 0.000 title claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 127
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 39
- 238000005507 spraying Methods 0.000 description 21
- 230000005540 biological transmission Effects 0.000 description 18
- 230000007246 mechanism Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Spray Control Apparatus (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention provides a ladle lining refractory material injection device, relates to the technical field of refractory material injection equipment, and solves the technical problems of high labor intensity and low construction efficiency caused by difficult adjustment of injection height in the prior art, and the device comprises an injection device frame, a lifting driving device, a lifting body, a spray gun device and a control device, wherein: the injection device frame is arranged above a ladle opening of the ladle; the lifting driving device is arranged on the injection device frame and is connected with the lifting body; the spray gun device is arranged on the lifting body, and the spray gun device and at least part of sections of the lifting body are arranged in the steel ladle; the control device can control the lifting driving device to drive the lifting body to lift, and the control device can control the spray gun device to rotate; the spray gun disclosed by the invention is convenient to adjust in height, low in labor intensity and high in injection efficiency, and can realize multiple injection modes of point injection, regional injection and automatic circulation injection.
Description
Technical Field
The invention relates to the technical field of refractory injection equipment, in particular to a ladle lining refractory material injection device.
Background
In the prior art, the spraying of the ladle lining refractory material is often performed by adopting a wet spraying method, and the traditional spraying method adopts a manual control spray gun to perform spraying, so that the angle between the spray gun and the inner wall of the ladle is difficult to control in the spraying process, the spraying quality of the ladle lining refractory material is seriously influenced, and meanwhile, the spray gun is difficult to adjust in the spraying process by manually controlling the spray gun, so that the labor intensity is increased, and the construction efficiency is influenced.
A refractory material spraying and repairing machine is disclosed in Chinese patent document, the conical tank body of the spraying and repairing machine is connected with a spray gun pipe through a discharge hose, a discharge gooseneck pipe of a spray gun pipeline is connected with a compressed air branch, the spray gun pipe is required to be manually controlled in the using process of the spraying and repairing machine, and the air pressure of compressed air is controlled to discharge, so that the refractory material on the inner wall of a kiln is sprayed, and the spraying and repairing machine can be used for spraying the refractory material, but has the advantages of severe working environment, high labor intensity and low spraying efficiency.
The applicant has found, in comparison with the prior art, that at least the following technical problems exist:
the traditional refractory gunning machine can not directly adjust the height of the gun barrel, so that the difficulty of gunning refractory is increased, and if the height is adjusted by adopting a traditional chain rope, continuous circulation gunning can only be realized, thereby greatly influencing the gunning efficiency of the gunning machine and increasing the labor intensity during the gunning.
Disclosure of Invention
The invention aims to provide a ladle lining refractory material injection device, which solves the technical problems of high labor intensity and low construction efficiency caused by difficult adjustment of injection height in the prior art; the invention provides a plurality of technical effects (the lifting screw rod ensures lifting of the spray gun device and simultaneously has self-locking function and speed reducing function so as to simplify equipment, the pipeline fixing device enables the compressed air pipeline, the accelerator pipeline and the refractory material pipeline to synchronously lift, the square pipe can drive the spray gun to lift on one hand, the pipeline and the pipeline can be protected on the other hand, the service cycle is prolonged, the braking device can lock the relative height of the lifting body, the guiding device can always ensure the lifting direction of the lifting body and prevent deflection, the pipeline connecting device enables the rotary spray gun to be firmly connected on the other hand, the pipeline can be protected, the balancing device can enable the spray gun device to automatically keep balance and buffer the reaction force during spraying, the control device enables the spraying device to realize point spraying, regional spraying and continuous spraying, and is more automatic and intelligent, and the like); details are set forth below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a steel ladle lining refractory material injection device, which comprises an injection device frame, a lifting driving device, a lifting body and a spray gun device, wherein: the injection device frame is arranged above a ladle opening of the ladle and used for supporting; the lifting driving device is arranged on the injection device frame and is connected with the lifting body; the spray gun device is arranged at the lower end of the lifting body, and the spray gun device and at least part of sections of the lifting body are arranged in the steel ladle; the lifting driving device can drive the lifting body to drive the spray gun device to lift or drop to a preset height position in the vertical direction.
Preferably, the lifting body is a lifting screw, and the lifting driving device is provided with a turbine, wherein: the turbine is sleeved on the lifting screw rod, and the lifting driving device can drive the turbine to rotate so as to lift or drop the lifting screw rod; the lifting screw rod is connected with the spray gun device.
Preferably, a first channel is axially arranged in the lifting screw rod, the lower end of the first channel is connected with the spray gun device, a refractory material conveying pipeline joint is arranged at the upper end of the first channel, and the first channel forms a refractory material pipeline; the refractory material pipeline is connected with a compressed air pipeline and an accelerator pipeline through a pipeline fixing device, an accelerator pipeline joint is arranged at the outlet end of the accelerator pipeline, and the accelerator pipeline joint is connected with the spray gun device through an accelerator hose; the outlet end of the compressed air pipeline is provided with at least one compressed air pipeline connector, the outlet end of each compressed air pipeline connector is provided with a compressed air hose, and the compressed air hoses are connected with the spray gun device.
Preferably, the lifting body comprises a square tube, a rack is arranged on the outer wall of the square tube, and the lifting driving device is provided with a power gear, wherein: the power gear is meshed with the rack, and the lifting driving device can drive the power gear to rotate so as to lift or drop the square tube; the square tube is connected with the spray gun device.
Preferably, a second channel is arranged in the square tube along the axial direction, a refractory material pipeline and an accelerator pipeline are arranged in the second channel, and a compressed air pipeline is formed between the exterior of the refractory material pipeline and the accelerator pipeline and the inner wall of the square tube; the square pipe is connected with the spray gun device through a pipeline connecting device, a third channel is axially arranged in the middle of the pipeline connecting device, the second channel is communicated with the third channel, at least one through hole is formed in the outer wall of the pipeline connecting device, all the through holes are communicated with the third channel and form an outlet end of a compressed air pipeline, a compressed air pipeline connector is arranged at the position of the outlet end of the compressed air pipeline, and the compressed air pipeline connector is connected with the spray gun device through a compressed air hose; the outer wall of one end of the square pipe, which is far away from the injection device frame, is provided with an accelerator pipeline connector, the outlet end of the accelerator pipeline is connected with the accelerator pipeline connector, and the accelerator pipeline connector is connected with the spray gun device through an accelerator hose.
Preferably, the lifting drive device further comprises a guide device comprising a guide shaft and a guide, wherein: the guide shaft is provided with a guide gear which is meshed with the rack; the guide piece is propped against the outer wall of the rack and can move relative to the rack.
Preferably, the lifting driving device further comprises a braking device, wherein the braking device is connected with the lifting driving device, and the braking device can lock the power gear to lock the relative height of the lifting body.
Preferably, two lugs are arranged on the injection device frame, a balancing device is arranged between the two lugs, the balancing device comprises a balancing sleeve and a positioning box, and the balancing device comprises: two rotating shafts are oppositely arranged on the outer wall of the balance sleeve, and the balance sleeve is rotatably connected with the two support lugs through the rotating shafts; positioning box supporting shafts are oppositely arranged at two ends of the positioning box, the positioning box supporting shafts are vertically arranged relative to the rotating shaft, and the positioning box is rotatably connected in the balance sleeve through the positioning box supporting shafts; the lifting driving device is arranged on the positioning box and rotates synchronously with the positioning box.
Preferably, the ladle lining refractory material injecting device further comprises a control device, wherein the control device comprises a controller and a man-machine interface connected with the controller, and the spray gun device comprises a spray gun driving device and a rotary spray gun, wherein: the lifting driving device and the spray gun driving device are electrically connected with the controller, and the human-computer interface can transmit an operation instruction to the controller in the form of an electric signal; the rotary spray gun is connected with the lifting body, and the controller can drive the lifting body to lift or fall through the lifting driving device so as to change the height of the rotary spray gun; the spray gun driving device is connected with the rotary spray gun, and the controller can change the rotation angle and the rotation speed of the rotary spray gun through the spray gun driving device.
Preferably, the ladle lining refractory material injecting device further comprises a positioning device, the positioning device comprises a contact switch and a positioning plate, wherein: the positioning plate and the lifting body are synchronously lifted or synchronously fallen; the contact switch is arranged on the injection device frame, can be in contact with the positioning plate and feeds back a position signal when in contact to the controller.
The steel ladle lining refractory material injection device provided by the invention has at least the following beneficial effects:
the injection device frame is arranged above a ladle opening of the ladle, the lifting driving device is arranged on the injection device frame, and the injection device frame is fastened in installation and provides preconditions for stable lifting of the lifting body; the spray gun device is arranged on the lifting body, the lifting driving device drives the lifting body to drive the spray gun device to lift or drop to a preset height position in the vertical direction in the steel ladle, the spraying height is controlled by controlling the height of the spray gun, the spraying height is convenient to adjust, the labor intensity of refractory spraying is reduced, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a refractory material injection apparatus for a ladle lining according to example 1 of the present invention;
fig. 2 is a schematic view of a lifting device in embodiment 1 of the present invention;
FIG. 3 is a schematic perspective view of a pipe fixing device according to an embodiment 1 of the present invention;
FIG. 4 is a schematic view of a positioning device in embodiment 1 of the present invention;
FIG. 5 is a schematic view of the balance device of the present invention;
FIG. 6 is a schematic view of the spray gun apparatus of the present invention;
FIG. 7 is a schematic view showing the construction of a refractory injection apparatus for a ladle lining according to example 2 of the present invention;
fig. 8 is a schematic view of the structure of the lifting device in embodiment 2 of the present invention;
fig. 9 is a schematic view of the structure of the lifting driving device in embodiment 2 of the present invention;
FIG. 10 is a schematic view showing the structure of a pipe connection device in embodiment 2 of the present invention;
FIG. 11 is a schematic view of a positioning device in embodiment 2 of the present invention;
fig. 12 is a schematic view of another embodiment of the spray gun apparatus of the present invention.
Reference numerals
1-a lifting device; 11-lifting driving device; 111-guiding means; 1111-guide; 1112-a guide gear; 1113-a guide shaft; 1114-bearing cap; 1115-bearings; 112-a power input device; 1121-a drive gear; 113-an output device; 1131-synchronizing gears; 1132-output shaft; 1133-power gear; 12-lifting body; 121-square tube; 122-rack; 13-a pipeline fixing device; 131-a first mounting portion; 132-a second mounting portion; 133-a third mount; 14-a pipeline connecting device; 2-an injector frame; 21-lugs; 3-a spray gun device; 31-a supporting box; 32-rotating the spray gun; 321-gas-liquid rotary joint; 3211-a first transmission; 322-nozzles; 323-a rotating body bearing tow bar; 324-a rotating body; 3241—a second transmission; 33-a gun drive; 331-a spray gun power device; 332-a speed reducer; 333-an output gear; 34-synchronizing means; 4-refractory piping; 5-compressed air line; 51-compressed air line outlet pipe; 52-compressed air line connection; 6-an accelerator pipeline; 61-an accelerator pipeline outlet pipe; 62-an accelerator pipeline joint; 7-balancing means; 71-positioning boxes; 711-a positioning box supporting shaft; 72 balancing the sleeve; 721-spindle; 8-positioning means; 81-contact switches; 82-locating plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Example 1:
the invention provides a ladle lining refractory material injection device, which is shown in a structural schematic diagram of the ladle lining refractory material injection device in the embodiment 1 of the invention in fig. 1 and a structural schematic diagram of a lifting device in the embodiment 1 of the invention in fig. 2, and comprises an injection device frame 2, a lifting driving device 11, a lifting body 12 and a spray gun device 3, wherein: the injection device frame 2 is arranged above a ladle opening of the ladle and used for supporting; the lifting driving device 11 is arranged on the injection device frame 2 and is connected with the lifting body 12; the spray gun device 3 is arranged at the lower end of the lifting body 12, and at least part of sections of the spray gun device 3 and the lifting body 12 are arranged in the ladle; the lifting driving device 11 can drive the lifting body 12 to drive the spray gun device 3 to lift or drop to a preset height position in the vertical direction.
During injection, the lifting driving device 11 drives the lifting body 12 to lift or drop, the spray gun device 3 lifts or drops to a preset height position in the vertical direction along with the lifting body 12, and then the spray gun device 3 performs injection of refractory materials on the ladle lining; the lifting driving device 11 is arranged on the injection device frame 2, is firmly installed, and provides preconditions for stable adjustment of the height of the spray gun device 3; the lifting driving device 11 drives the lifting body 12 to lift so as to enable the spray gun device 3 to lift or fall to a preset position, the height of the spray gun device 3 is adjusted through the lifting driving device 11 and the lifting body 12, and the adjusting process is convenient and quick; the steel ladle lining refractory material injection device has the advantages of low labor intensity and high construction efficiency during injection operation.
As an alternative embodiment, as shown in fig. 2, the lifting body 12 is a lifting screw, a lifting body protecting cover is sleeved on the outer side of the lifting screw, the lifting driving device 11 is a screw lifter, and the lifting driving device 11 is provided with a turbine, wherein: the turbine is sleeved on the lifting screw rod, and the lifting driving device 11 can drive the turbine to rotate so as to lift or drop the lifting screw rod; the lifting screw rod is connected with the spray gun device 3; the lifting device 1 adopts a screw lifting mechanism, utilizes the speed reduction function and the self-locking function of the screw lifting mechanism, omits a speed reducer and a braking mechanism in the structure, and simplifies the structure on the basis of ensuring the convenient adjustment of the height.
As an alternative embodiment, as shown in the schematic perspective views of the pipeline fixing device in fig. 1 and 3, a first channel is axially arranged inside the lifting screw, the lower end of the first channel is connected with the spray gun device 3, a refractory material conveying pipeline joint is arranged at the upper end of the first channel, and the first channel forms a refractory material pipeline 4; the refractory pipeline 4 is connected with a compressed air pipeline 5 and an accelerator pipeline 6 through a pipeline fixing device 13, the pipeline fixing device 13 comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece mutually clamp and form a first installation part 131, a second installation part 132 and a third installation part 133, and the accelerator pipeline 6, the compressed air pipeline 5 and the refractory pipeline 4 are respectively installed on the first installation part 131, the second installation part 132 and the third installation part 133; an accelerator pipeline joint 62 is arranged at the outlet end of the accelerator pipeline 6, and the accelerator pipeline joint 62 is connected with the spray gun device 3 through an accelerator hose; the outlet end of the compressed air pipeline 5 is provided with at least one compressed air pipeline joint 52, the outlet end of each compressed air pipeline joint 52 is provided with a compressed air hose, all the compressed air hoses are connected with the spray gun device 3, the spray gun device 3 comprises a gas-liquid rotary joint, the accelerator hose 6 and the compressed air hose 5 are connected with the gas-liquid rotary joint, and the damage to the gas-liquid rotary joint caused by hard connection can be effectively avoided through the connection of the hoses with the gas-liquid rotary joint, so that the service cycle of the gas-liquid rotary joint is prolonged.
As an alternative embodiment, the part sections of the refractory material pipeline 4, the compressed air pipeline 5 and the accelerator pipeline 6, which are located outside the ladle, are sheathed with tank chains, which make the movement more flexible on the basis of protecting the pipelines and lines.
As an alternative embodiment, as shown in the schematic structural diagram of the balancing device of the present invention in fig. 5, two lugs 21 are provided on the frame 2 of the injection device, a balancing device 7 is provided between the two lugs 21, and the balancing device 7 includes a balancing sleeve 72 and a positioning box 71, wherein: two rotating shafts 721 are oppositely arranged on the outer wall of the balance sleeve 72, and the balance sleeve 72 is rotatably connected with the support lugs 21 through the rotating shafts 721; the two ends of the positioning box 71 are oppositely provided with positioning box supporting shafts 711, the positioning box supporting shafts 711 are vertically arranged relative to the rotating shafts 721, and the positioning box 71 is rotatably connected in the balance sleeve 72 through the positioning box supporting shafts 711; the lifting device 1 is arranged on the positioning box 71 and rotates synchronously with the positioning box 71, preferably, the positioning box 71 is provided with a mounting part and a guide hole, the lifting driving device 11 is arranged on the mounting part, one end of the lifting body 12 is connected with the lifting driving device 11, and the other end of the lifting body 12 passes through the guide hole and is arranged in the ladle; the balancing device 7 can always maintain the balance of the lifting device 1 and thus the balance of the spray gun device 3, and can effectively buffer the reaction force generated when the spray gun device 3 is injected.
As an alternative embodiment, the ladle lining refractory injecting apparatus further comprises a control device comprising a controller and a man-machine interface connected to the controller, the lance device 3 comprising a lance drive 33 and a rotary lance 32, wherein: the lifting driving device 11 and the spray gun driving device 33 are electrically connected with the controller, and the man-machine interface can transmit operation instructions to the controller in the form of electric signals; the rotary spray gun 32 is connected with the lifting body 12, and the controller can drive the lifting body 12 to lift or drop through the lifting driving device 11 so as to change the height of the rotary spray gun 32; the spray gun driving device 33 is connected with the rotary spray gun 32, and the controller can change the rotation angle and the rotation speed of the rotary spray gun 32 through the spray gun driving device 33; preferably, the controller is a plc controller; the control device enables the ladle lining refractory material injection device to realize automation and intellectualization, and realizes multi-function injection of positioning injection, regional injection and automatic circulation injection.
As an alternative embodiment, as shown in the schematic structural diagram of the positioning device in embodiment 1 of the present invention in fig. 4, the ladle lining refractory injecting device further includes a positioning device 8, the positioning device 8 includes a contact switch 81 and a positioning plate 82, wherein: the positioning plate 82 is arranged on the lifting body 12, or the positioning plate 82 is connected with the compressed air pipeline 5 and the accelerator pipeline 6, and the positioning plate 82 and the lifting body 12 are synchronously lifted or synchronously dropped; a contact switch 81 is provided on the injector frame 2, preferably the contact switch 81 is provided on the positioning box 71, the contact switch 81 being capable of contacting the positioning plate 82 and feeding back a position signal at the time of contact to the controller.
As an alternative embodiment, as shown in the schematic structural diagram of the spray gun apparatus of the present invention in fig. 6, the spray gun apparatus 3 further comprises a support box 31, and a spray gun driving device 33 is disposed on the support box 31 and connected to the rotary spray gun 32, wherein the spray gun driving device 33 can drive the rotary spray gun 32 to rotate, and the spray gun driving device 33 comprises: the rotary spray gun 32 includes a gas-liquid rotary joint 321 and a nozzle 322, the nozzle 322 is connected to a refractory pipe through the gas-liquid rotary joint 321, and the gas-liquid rotary joint 321 and the nozzle 322 can rotate about the refractory pipe.
The side wall of the gas-liquid rotary joint 321 is provided with a compressed air pipeline outlet pipe 51 and an accelerator pipeline outlet pipe 61, the gas-liquid rotary joint 321 comprises an inner pipeline and an outer pipeline, the inner pipeline is communicated with a refractory material pipeline 4 and a nozzle 322 for circulation of refractory materials, the outer pipeline is divided into two independent pipelines for circulation of accelerator and compressed air respectively, the outer pipeline can rotate relative to the inner pipeline, the outlet end of the accelerator pipeline outlet pipe 61 is connected to the compressed air pipeline outlet pipe 51, the outlet end of the compressed air pipeline outlet pipe 51 is connected to the outlet position on the nozzle 322, the refractory materials and the accelerator are sprayed out from the nozzle 322 under the action of compressed air, and backflow of the accelerator and the refractory materials is effectively prevented by the arrangement of the positions of the outlet end of the accelerator pipeline outlet pipe 61 and the outlet end of the compressed air pipeline outlet pipe 51.
The outer wall of the outlet position of the nozzle 322 is uniformly provided with through holes in a circle, the outlet end of the compressed air pipeline outlet pipe 51 is provided with a nozzle gas-liquid distributor, the nozzle gas-liquid distributor is wrapped on the through holes, the nozzle 322 is provided with at least two sections which can be disassembled and assembled, and two adjacent sections are connected through a spray pipe clip, so that the connection is tight and the disassembly and the assembly are convenient.
The gas-liquid rotary joint 321 is connected with a first transmission device 3211, the first transmission device 3211 can be a gear transmission mechanism, a belt transmission mechanism or a chain transmission mechanism, and the gas-liquid rotary joint 321 is connected with the spray gun driving device 33 through the first transmission device 3211; the nozzle 322 is detachably connected to the gas-liquid rotary joint 321, and the nozzle 322 and the gas-liquid rotary joint 321 synchronously rotate; preferably, the upper end connection of gas-liquid rotary joint 321 is provided with the connecting rod, and gas-liquid rotary joint 321 can rotate for the connecting rod, first transmission 3211 sets up to rotary joint fixed gear, rotary joint fixed gear suit is in on the connecting rod, rotary joint fixed gear links to each other and can be with regard to gas-liquid rotary joint 321 connecting rod synchronous rotation, spray gun drive 33 demountable installation is to supporting box 31, and supporting box 31 suit is in on the connecting rod, spray gun drive 33 includes spray gun power device 331, speed reducer 332 and the output gear 333 that link to each other in proper order, and output gear 333 with rotary joint fixed gear meshes, further preferably spray gun power device 331 sets up to spray gun servo motor, and refractory material pipeline 4 runs through in the axial connecting rod and gas-liquid rotary joint 321, compressed air pipeline 5 and accelerator pipeline 6 are fixed on the connecting rod through pipeline fixing device 13.
The working process comprises the following steps:
and in the resetting process before injection, a resetting instruction is input to the human-computer interface, the controller controls the lifting body 12 to move upwards until the positioning plate 82 moves to the position of the contact switch 81, and the contact switch 81 feeds back a position signal when the contact switch is in contact with the positioning plate 82 to the controller, so that the resetting of the lifting body 12 is completed.
When positioning and injecting, a preset position coordinate is input to the human-computer interface, the controller controls the lifting body 12 to move to a preset height, and the controller controls the rotary spray gun 32 to rotate to a specified position, and at the moment, the rotary spray gun 32 performs positioning and injecting on the preset position.
When the region is injected, a position coordinate range of injecting the predetermined region is input to the human-computer interface, and the controller controls the lifting body 12 and the rotary spray gun 32 to inject the specified region.
When the automatic circulation injection is performed, a circulation injection instruction is input to the human-computer interface, the controller controls the lifting body 12 to move from bottom to top, and the controller controls the rotary spray gun 32 to continuously rotate, so that the automatic circulation injection of the ladle lining is completed.
Example 2:
the difference between example 1 and example 2 is: as shown in the schematic structural diagram of the refractory injecting device for a ladle lining in embodiment 2 of the present invention in fig. 7, the schematic structural diagram of the lifting device in embodiment 2 of the present invention in fig. 8, the schematic structural diagram of the lifting driving device in embodiment 2 of the present invention in fig. 9, and the schematic structural diagram of the pipe connecting device in embodiment 2 of the present invention in fig. 10, the lifting body 12 comprises a square pipe 121, a lifting body protecting cover is sleeved outside the square pipe 121, a rack 122 is provided on the outer wall of the square pipe 121, and the lifting driving device 11 is provided with a power gear 1133, wherein: the power gear 1133 is meshed with the rack 122, and the lifting driving device 11 can drive the power gear 1133 to rotate so as to enable the square tube 121 to lift or fall; the square tube 121 is connected with the spray gun device 3; preferably, the number of the racks 122 is two, the two racks 122 are oppositely arranged, the lifting device 1 adopts a gear-rack mechanism, the lifting efficiency of the lifting body is effectively improved, the self abrasion of the gear-rack mechanism is small, and the service cycle of the device is prolonged.
As an alternative embodiment, a second channel is arranged in the square tube 121 along the axial direction, a refractory material pipeline 4 and an accelerator pipeline 6 are arranged in the second channel, the line of the spray gun device 3 is arranged in the second channel, and a compressed air pipeline 5 is formed between the exterior of the refractory material pipeline 4 and the accelerator pipeline 6 and the inner wall of the square tube 121; the square tube 121 is connected with the spray gun device 3 through a pipeline connecting device 14, and the pipeline connecting device 14 is in flange connection with the square tube 121; the pipeline connecting device 14 is axially provided with a third channel, the second channel is communicated with the third channel, and the refractory pipeline 4, the accelerator pipeline 6 and the spray gun device 3 all pass through the third channel; the outer wall of the pipeline connecting device 14 is provided with at least one through hole, all the through holes are communicated with the third channel and form an outlet end of a compressed air pipeline 5, a compressed air pipeline joint 52 is arranged at the position of the outlet end of the compressed air pipeline 5, and the compressed air pipeline joint 52 is connected with the spray gun device 3 through a compressed air hose; an accelerator pipeline joint 62 is arranged on the outer wall of one end, far away from the injection device frame 2, of the square pipe 121, the outlet end of the accelerator pipeline 6 is connected with the accelerator pipeline joint 62, and the accelerator pipeline joint 62 is connected with the spray gun device 3 through an accelerator hose; the spray gun device 3 comprises a gas-liquid rotary joint, and the accelerator pipeline 6 and the compressed air pipeline 5 are connected to the gas-liquid rotary joint through hoses, so that the damage of rigid connection to the gas-liquid rotary joint in the spray gun device 3 can be directly avoided; the lines of the gun driving device 33, the refractory material pipeline 4, the compressed air pipeline 5 and the accelerator pipeline 6 are all arranged inside the square pipe 121, so that the whole gun driving device is clean and tidy, the abrasion of the lines and the pipelines caused by improper operation is effectively prevented, and the service life is further prolonged.
As an alternative embodiment, the lifting driving device 11 includes a power input device 112 and an output device 113, where the power input device 112 includes a lifting servo motor, a lifting speed reducer and a driving gear 1121 that are sequentially connected, the output device 113 includes an output shaft 1132 and a synchronous gear 1131, the synchronous gear 1131 is sleeved on the output shaft 1132 and meshed with the driving gear 1121, the synchronous gear 1131 rotates synchronously with the output shaft 1132, and the power gear 1133 is sleeved on the output shaft 1132 and rotates synchronously with the output shaft 1132.
As an alternative embodiment, the elevation driving apparatus 11 further includes a guide 111, the guide 111 including a guide shaft 1113 and a guide 1111, wherein: the guide shaft 1113 is provided with a guide gear 1112, the guide gear 1112 is meshed with the rack 122, and two ends of the guide shaft 1113 are respectively provided with a bearing 1115 and a bearing cover 1114 in sequence; the guide 1111 abuts against the outer wall of the rack 122 and is movable relative to the rack 122; the guide 1111 includes an upper guide and a lower guide, and the power gear 1133 is disposed between the upper guide and the lower guide to prevent the lifting body 12 from being deviated during the lifting process, so that the lifting process is more stable; preferably, the guides 1111 are provided as guide rollers which are abutted against a face of the square tube 121 without a rack and are capable of rolling with respect to the square tube 121, and further preferably, each guide 1111 includes two of the guide rollers and two of the guide rollers are provided opposite with respect to the square tube 121.
As an alternative embodiment, the lifting drive 11 further comprises a braking device connected to the lifting drive 11, which braking device can lock the locking force gear 1133 to lock the relative height of the lifting body 12; the brake device can be a disc brake device or a drum brake device or can be braked by a frequency converter brake mode, and preferably, the brake device is a power-off brake which is connected with the driving gear 1121; the power-off brake can lock the drive gear 1121 after power-off to lock the relative position of the rack 122 with respect to the power gear 1133.
As an alternative embodiment, as shown in the schematic structural diagram of another embodiment of the spray gun apparatus of the present invention in fig. 12, the spray gun apparatus 3 further includes a support box 31, and a spray gun driving device 33 is disposed on the support box 31 and connected to the rotary spray gun 32, wherein the spray gun driving device 33 is capable of driving the rotary spray gun 32 to rotate, and wherein: the rotary spray gun 32 includes a gas-liquid rotary joint 321 and a nozzle 322, the nozzle 322 is connected to a refractory pipe through the gas-liquid rotary joint 321, and the gas-liquid rotary joint 321 and the nozzle 322 can rotate about the refractory pipe.
The side wall of the gas-liquid rotary joint 321 is provided with a compressed air pipeline outlet pipe 51 and an accelerator pipeline outlet pipe 61, the gas-liquid rotary joint 321 comprises an inner pipeline and an outer pipeline, the inner pipeline is communicated with a refractory material pipeline 4 and a nozzle 322 for circulation of refractory materials, the outer pipeline is divided into two independent pipelines for circulation of accelerator and compressed air respectively, the outer pipeline can rotate relative to the inner pipeline, the outlet end of the accelerator pipeline outlet pipe 61 is connected to the compressed air pipeline outlet pipe 51, the outlet end of the compressed air pipeline outlet pipe 51 is connected to the outlet position of the nozzle 322, and the refractory materials and the accelerator are sprayed out from the nozzle 322 under the action of compressed air.
Through holes are uniformly formed in the outer wall of the outlet position of the nozzle 322 in a circle, a nozzle gas-liquid distributor is arranged at the outlet end of the compressed air pipeline outlet pipe 51, and the nozzle gas-liquid distributor is wrapped on the through holes; the nozzle 322 is integrally provided or configured as at least two detachable sections, adjacent two of which are connected by a nozzle clip.
The rotary spray gun 32 further includes a rotary body bearing tow bar 323 and a rotary body 324, wherein: the rotary body bearing hauling rod 323 is arranged between the gas-liquid rotary joint 321 and the rotary body 324, the lower end of the pipeline connecting device 14 passes through the gas-liquid rotary joint 321 to be connected with the rotary body bearing hauling rod 323, a flange is fixedly arranged at the middle section of the pipeline connecting device 14, the gas-liquid rotary joint 321 is sleeved on the pipeline connecting device 14 and is connected with the flange in a flange manner, the gas-liquid rotary joint 321 and the rotary body 324 can synchronously rotate relative to the rotary body bearing hauling rod 323, and the rotary body bearing hauling rod 323 is connected to the rotary body 324 through a bearing; the rotary body bearing hauling rod 323 is provided with a fourth channel along the axial direction, the fourth channel penetrates through the gas-liquid rotary joint 321 and the rotary body 324, and the fourth channel is connected with the nozzle 322 and used for circulating refractory materials; the nozzle 322 is detachably connected to the rotating body 324, the rotating body 324 is provided with a second transmission device 3241, the second transmission device 3241 is connected with the spray gun driving device 33, the second transmission device 3241 can be provided as a chain transmission mechanism, a gear transmission mechanism or a belt transmission mechanism, preferably, the second transmission device 3241 is provided as a gear transmission mechanism, the second transmission device 3241 comprises a nozzle rotating gear, the spray gun driving device 33 comprises a spray gun power device 331, a speed reducer 332 and an output gear 333 which are sequentially connected, and the nozzle rotating gear is meshed with the output gear 333.
The rotary spray gun 32 further comprises a synchronizing device 34, wherein: both ends of the synchronous device 34 are respectively connected with the gas-liquid rotary joint 321 and the rotary body 324, and the gas-liquid rotary joint 321 and the rotary body 324 synchronously rotate through the synchronous device 34; the synchronizing device 34 is provided as a rotating body synchronizing positioner, and both ends of the rotating body synchronizing positioner are respectively connected to the outer wall of the gas-liquid rotary joint 321 and the outer wall of the rotating body 324.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a ladle lining refractory material injection device which characterized in that includes injection device frame (2), lift drive arrangement (11), lift body (12) and spray gun device (3), wherein:
the injection device frame (2) is arranged above a ladle opening of the ladle and used for supporting;
the lifting driving device (11) is arranged on the injection device frame (2) and is connected with the lifting body (12);
the spray gun device (3) is arranged at the lower end of the lifting body (12), and at least part of sections of the spray gun device (3) and the lifting body (12) are arranged in the steel ladle;
the lifting driving device (11) can drive the lifting body (12) to drive the spray gun device (3) to lift or drop to a preset height position in the vertical direction;
two lugs (21) are arranged on the injection device frame (2), a balancing device (7) is arranged between the two lugs (21), and the balancing device (7) comprises a balancing sleeve (72) and a positioning box (71), wherein: two rotating shafts (721) are oppositely arranged on the outer wall of the balance sleeve (72), and the balance sleeve (72) is rotatably connected with the support lugs (21) through the rotating shafts (721); positioning box supporting shafts (711) are oppositely arranged at two ends of the positioning box (71), the positioning box supporting shafts (711) are vertically arranged relative to the rotating shaft (721), and the positioning box (71) is rotatably connected in the balance sleeve (72) through the positioning box supporting shafts (711); the lifting driving device (11) is arranged on the positioning box (71) and rotates synchronously with the positioning box (71);
the steel ladle lifting device is characterized in that an installation part and a guide hole are formed in the positioning box (71), the lifting driving device (11) is arranged on the installation part, one end of the lifting body (12) is connected with the lifting driving device (11), and the other end of the lifting body (12) penetrates through the guide hole and then is placed in the steel ladle.
2. Ladle lining refractory injection apparatus according to claim 1, wherein the lifting body (12) is a lifting screw, the lifting drive (11) being provided with a turbine, wherein:
the turbine is sleeved on the lifting screw rod, and the lifting driving device (11) can drive the turbine to rotate so as to lift or drop the lifting screw rod;
the lifting screw rod is connected with the spray gun device (3).
3. The steel ladle lining refractory injecting device according to claim 2, wherein a first passage is axially arranged in the lifting screw, the lower end of the first passage is connected with the spray gun device (3), the upper end of the first passage is provided with a refractory conveying pipeline joint, and the first passage forms a refractory pipeline (4);
the refractory material pipeline (4) is connected with a compressed air pipeline (5) and an accelerator pipeline (6) through a pipeline fixing device (13), an accelerator pipeline joint (62) is arranged at the outlet end of the accelerator pipeline (6), and the accelerator pipeline joint (62) is connected with the spray gun device (3) through an accelerator hose;
the outlet end of the compressed air pipeline (5) is provided with at least one compressed air pipeline connector (52), the outlet end of each compressed air pipeline connector (52) is provided with a compressed air hose, and the compressed air hoses are connected with the spray gun device (3).
4. The ladle lining refractory injecting device according to claim 1, wherein the lifting body (12) comprises a square tube (121), a rack (122) is provided on an outer wall of the square tube (121), and the lifting driving device (11) is provided with a power gear (1133), wherein:
the power gear (1133) is meshed with the rack (122), and the lifting driving device (11) can drive the power gear (1133) to rotate so as to enable the square pipe (121) to lift or fall;
the square tube (121) is connected with the spray gun device (3).
5. The steel ladle lining refractory material injection device according to claim 4, wherein a second channel is axially arranged inside the square tube (121), a refractory material pipeline (4) and an accelerator pipeline (6) are arranged inside the second channel, and a compressed air pipeline (5) is formed between the outside of the refractory material pipeline (4) and the accelerator pipeline (6) and the inner wall of the square tube (121);
the square tube (121) is connected with the spray gun device (3) through a pipeline connecting device (14), a third channel is axially arranged in the middle of the pipeline connecting device (14), the second channel is communicated with the third channel, at least one through hole is formed in the outer wall of the pipeline connecting device (14), all the through holes are communicated with the third channel and form an outlet end of the compressed air pipeline (5), a compressed air pipeline connector (52) is arranged at the position of the outlet end of the compressed air pipeline (5), and the compressed air pipeline connector (52) is connected with the spray gun device (3) through a compressed air hose;
the outer wall of one end, far away from the injection device frame (2), of the square tube (121) is provided with an accelerator pipeline joint (62), the outlet end of the accelerator pipeline (6) is connected with the accelerator pipeline joint (62), and the accelerator pipeline joint (62) is connected with the spray gun device (3) through an accelerator hose.
6. The ladle lining refractory injection apparatus according to claim 4, wherein the elevation driving apparatus (11) further comprises a guide apparatus (111), the guide apparatus (111) comprising a guide shaft (1113) and a guide (1111), wherein:
a guide gear (1112) is arranged on the guide shaft (1113), and the guide gear (1112) is meshed with the rack (122);
the guide (1111) abuts against an outer wall of the rack (122) and is movable relative to the rack (122).
7. The ladle lining refractory injection apparatus according to claim 4, wherein the lift drive (11) further comprises a brake device coupled to the lift drive (11), the brake device being capable of locking the power gear (1133) to lock the relative height of the lifting body (12).
8. The ladle lining refractory injection apparatus according to claim 1, further comprising a control apparatus comprising a controller and a man-machine interface connected to the controller, the lance apparatus (3) comprising a lance drive apparatus (33) and a rotary lance (32), wherein:
the lifting driving device (11) and the spray gun driving device (33) are electrically connected with the controller, and the human-computer interface can transmit operation instructions to the controller in the form of electric signals;
the rotary spray gun (32) is connected with the lifting body (12), and the controller can drive the lifting body (12) to lift or fall through the lifting driving device (11) so as to change the height of the rotary spray gun (32);
the spray gun driving device (33) is connected with the rotary spray gun (32), and the controller can change the rotation angle and the rotation speed of the rotary spray gun (32) through the spray gun driving device (33).
9. The ladle lining refractory injection apparatus according to claim 8, further comprising a positioning apparatus (8), the positioning apparatus (8) comprising a contact switch (81) and a positioning plate (82), wherein:
the positioning plate (82) and the lifting body (12) are synchronously lifted or synchronously dropped;
the contact switch (81) is arranged on the injection device frame (2), and the contact switch (81) can be in contact with the positioning plate (82) and feeds back a position signal when in contact to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282523.4A CN109047745B (en) | 2018-11-01 | 2018-11-01 | Ladle lining refractory material injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282523.4A CN109047745B (en) | 2018-11-01 | 2018-11-01 | Ladle lining refractory material injection device |
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| CN109047745A CN109047745A (en) | 2018-12-21 |
| CN109047745B true CN109047745B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811282523.4A Active CN109047745B (en) | 2018-11-01 | 2018-11-01 | Ladle lining refractory material injection device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102469935B1 (en) * | 2018-11-01 | 2022-11-22 | 푸양 펑셔널 머테리얼스 컴퍼니., 리미티드. | Spray gun device and ladle lining refractory material spray device |
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| JPH1038473A (en) * | 1996-07-18 | 1998-02-13 | Asahi Glass Co Ltd | Spray application method |
| CN1959321A (en) * | 2006-11-16 | 2007-05-09 | 鞍山赛拉美克热陶瓷工程有限公司 | Automatic equipment for spray repairing electric furnace |
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| CN109047745A (en) | 2018-12-21 |
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