CN215893259U - Bottom blowing furnace slag hole opening and plugging device - Google Patents

Abstract

The utility model discloses a bottom-blowing furnace slag hole opening and plugging device, which belongs to the field of metallurgical equipment, and is characterized in that the opening and plugging device is hung on one side of a bottom-blowing furnace slag hole and is away from the ground; the mud gun drilling machine comprises two rails which are arranged in parallel, wherein a travelling mechanism is arranged on the two rails, the travelling mechanism is connected with an upper moving seat, the lower part of the upper moving seat is connected with a lower moving seat through a folding device, and a mud gun machine and an opening device are arranged on the lower moving seat side by side; the device hangs and installs in bottom blowing slag hole one side, leaves ground, through track lateral shifting, expandes or packs up through folding device, installs clay gun machine and division hole device side by side, can open the stifled hole fast, has saved the manpower greatly, and the equipment use finishes can accomodate aloft, does not occupy the ground space, has guaranteed the normal operation of bottom blowing slag hole.

Description

Bottom blowing furnace slag hole opening and plugging device

Technical Field

The utility model belongs to the field of metallurgical equipment, and particularly relates to a bottom blowing furnace slag hole opening and plugging device.

Background

In the process of smelting copper by adopting the bottom-blowing furnace, a large amount of slag generated by the bottom-blowing furnace needs to be discharged through a slag hole arranged at the end part of the bottom-blowing furnace, and the slag discharge amount is about 65t per hour; the factors of the charging amount, the volume of the interior of the furnace, the size of a slag ladle, the copper content of slag and the like are comprehensively considered, in order to ensure the proper safe liquid level in the furnace body, the discharging is required to be carried out every 10 to 15 minutes, and a plug (the plug is a special yellow mud block) is also required to be used for plugging after the discharging is finished.

In the prior art, the slag hole plugging adopts manual plugging or a separate plugging machine (clay gun machine), and the opening adopts manual operation or separate opening equipment (rock drill); the danger of manual operation is high, and the labor intensity is high; the hole plugging machine and the hole opening equipment occupy the ground space, and the walking operation of workers on the ground is hindered for a narrow workshop; and the maneuverability of the two devices is poor, and the devices need to be moved manually to align the slag hole during use, so that the requirements of frequent opening and eye blocking cannot be met.

Disclosure of Invention

The utility model provides a bottom blowing furnace slag hole opening and plugging device, which solves the problems that the existing bottom blowing furnace slag hole needs frequent hole opening and plugging, but the mobility of the existing plugging machine and the existing hole opening equipment is poor.

The technical scheme adopted by the utility model is as follows: a bottom blowing furnace slag hole opening and blocking device is arranged on one side of a bottom blowing furnace slag hole in a hanging mode and is away from the ground; the mud gun drilling machine comprises two rails which are arranged in parallel, wherein a traveling mechanism is arranged on the two rails, the traveling mechanism is connected with an upper moving seat, a lower moving seat is connected below the upper moving seat through a folding device, and a mud gun machine and an opening device are arranged on the lower moving seat side by side.

Preferably, the travelling mechanism comprises two electric motors, each electric motor is provided with a travelling wheel, and the two travelling wheels are symmetrically arranged on the inner side of the track; the two electric motors are connected to two sides of the rectangular upper moving seat through two connecting frames, and the rectangular upper moving seat is positioned below the track and is vertical to the track. Furthermore, the front end of the upper moving seat is provided with a side connecting plate, the side connecting plate extends upwards to the outer side of the track, and the side connecting plate is provided with clamping wheels which are opposite up and down and clamp the edge of the track to walk.

Preferably, the folding device comprises two parallel pull rods, namely a front pull rod and a rear pull rod, and a hydraulic cylinder; the upper ends of the two traction rods are respectively and rotatably connected to the upper moving seat, one side of the upper moving seat close to the bottom blowing furnace and positioned in front of the midpoint of the upper moving seat, and the lower ends of the two traction rods are rotatably connected to the middle part of the upper surface of the lower moving seat; the upper end of the hydraulic cylinder is hinged to the middle part of the lower surface of the upper moving seat and close to the front and is positioned behind the two traction rods, the lower end of the hydraulic cylinder is hinged to the lower end of the rear traction rod, and an included angle between the hydraulic cylinder and the rear traction rod is an acute angle.

Preferably, the clay gun machine comprises a gun barrel, the gun barrel is a cylindrical tube, a clay loading port is arranged in the center of the upper portion of the gun barrel, a gun nozzle is arranged at the front end of the gun barrel, a piston is arranged inside the gun barrel, a power device is arranged at the tail portion of the gun barrel, the power device drives the piston to move back and forth in the gun barrel, and a plug in the gun barrel is extruded to plug a slag hole.

Preferably, the hole opening device comprises a chain box, a chain transmission device is arranged in the chain box, the chain transmission device comprises a hydraulic motor arranged at one end of the chain box, which is far away from the bottom-blowing furnace, a driving chain wheel is arranged on the hydraulic motor, a driven chain wheel is arranged at one end of the chain box, which is close to the bottom-blowing furnace, and the driving chain wheel and the driven chain wheel are connected through a chain; the bottom surface of the chain box is opened, the pneumatic rock drill is installed on the chain through the connecting seat, the rotating rod extending forwards is installed at the front end of the pneumatic rock drill, and the rotating head is installed at the front end of the rotating rod. Furthermore, the lower surface of the front end of the chain box is provided with a pulley seat, an upper pulley and a lower pulley are arranged in the pulley seat, and the rotating rod penetrates through the two pulleys.

Preferably, a plurality of cutter heads which are uniformly distributed are formed at the end part of the rotary head, the cutter heads are distributed in an annular array, the cross sections of the cutter heads are triangular, the cutting edge of each cutter head is an inclined line, the outer side end of each cutting edge is high, and the inner side end of each cutting edge is low.

The utility model has the beneficial effects that: the utility model provides a bottom-blowing furnace slag hole opening and plugging device which is hung on one side of a bottom-blowing furnace slag hole and is away from the ground, the device can be unfolded or folded through a folding device through transverse movement of a rail, a clay gun machine and a hole opening device are arranged side by side, the hole opening and plugging can be carried out rapidly, the labor is greatly saved, the device can be stored in the air after being used, the ground space is not occupied, and the normal operation of the bottom-blowing furnace slag hole is ensured.

Drawings

FIG. 1 is a perspective view of the device for opening and plugging holes of the present invention viewed from one side of a clay gun;

FIG. 2 is a side view of the open eye occluding device of the present invention from one side of the open eye device;

FIG. 3 is a front view of the plugging hole opening device of the present invention as viewed from the side of the bottom-blowing furnace;

FIG. 4 is a detail at rail configuration display view;

FIG. 5 is a state diagram when the folding device is folded up;

FIG. 6 is a structural display view of the clay gun;

FIG. 7 is a structure display view of an open eye device;

fig. 8 is a structural display view of the pulley holder;

FIG. 9 is a perspective view of the rotary head;

FIG. 10 is a view showing the state of plugging the hole of the clay gun;

FIG. 11 is a pictorial representation;

in the figure: the bottom blowing furnace comprises a bottom blowing furnace 1, a track 2, a rib plate 201, a supporting leg 202, a traveling mechanism 3, an electric motor 301, a traveling wheel 302, a connecting frame 303, an upper moving seat 4, a side connecting plate 401, a clamping wheel 402, a folding device 5, a front traction rod 501, a rear traction rod 502, a hydraulic cylinder 503, a lower moving seat 6, a clay gun machine 7, a gun barrel 701, a mud loading port 702, a gun nozzle 703, an opening device 8, a chain box 801, a hydraulic motor 802, a driving chain wheel 803, a driven chain wheel 804, a chain 805, a connecting seat 806, a pneumatic rock drill 807, a rotating rod 808, a rotating head 809, a tool bit 809.1, a cutting edge 809.2, a pulley seat 9, a pulley 10, a drag chain 11 and an electric control box 12.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-3, a bottom-blowing furnace slag hole opening and blocking device is hung on a platform beam above one side of a slag hole of a bottom-blowing furnace 1 and is 1.5-2 meters away from the ground (after being folded and stored); the whole set of device mainly comprises two tracks 2 arranged on a platform beam, wherein the two tracks 2 are provided with traveling mechanisms 3, the traveling mechanisms 3 are connected with an upper moving seat 4, the lower part of the upper moving seat 4 is connected with a lower moving seat 6 through a folding device 5, and a clay gun machine 7 and an opening device 8 are arranged on the lower moving seat 6 side by side.

As shown in fig. 3 and 4, 400 × 400H-shaped steel is adopted for two tracks 2, and a rib plate 201 is added in the middle to ensure the bearing capacity of the two tracks; the track 2 is connected with the platform beam through the supporting leg 202, the platform beam is fixed with the supporting leg 202, the supporting leg 202 is fixed with the track 2 through screws, and then the contact surfaces of the platform beam and the supporting leg 202 are welded firmly. 2 length on track designs according to on-the-spot actual conditions, and 2 long 8 meters on track in this embodiment, 2 mid points on track and 1 cinder notch of bottom blowing stove are on same straight line, and it can move along track 2 and hang in the air to blow 1 left side or right side of stove on the earth, can not shelter from the cinder notch when not using, and the space in cinder notch the place ahead is spacious, the operation personnel activity and the operation of being convenient for.

As shown in fig. 4, the traveling mechanism 3 includes two electric motors 301, a traveling wheel 302 is mounted on each of the two electric motors 301, the traveling wheel 302 is mounted inside the track 2, and the traveling wheel 302 is driven by the electric motor 301 to move in the track 2; the two electric motors 301 are connected with the upper rectangular moving seat 4 through two connecting frames 303; the connecting frame 303 is fixed on the electric motor 301, and the bottom of the connecting frame is fixed on the upper surface of the upper moving seat 4; the cuboid-shaped upper moving seat 4 is positioned below the track 2 and is vertical to the track 2; in order to further improve the connection stability of the upper moving seat 4 and the track 2, as shown in the figure, two side connecting plates 401 (as shown in fig. 3) are further arranged on two sides of the front end of the upper moving seat 4 (i.e. the end close to the bottom-blowing furnace 1), each side connecting plate 401 extends upwards to the outer side of the track 2, and the side connecting plates 401 are provided with vertically opposite clamping wheels 402 to clamp the edge of the track 2 for traveling.

As shown in fig. 2 and 3, the lower part of the upper moving seat 4 is connected with the lower moving seat 6 through a folding device 5; the folding device 5 comprises two parallel pulling rods, namely a front pulling rod 501, a rear pulling rod 502 and a hydraulic cylinder 503; the upper ends of the two traction rods are respectively and rotatably connected to the upper moving seat 4, one side of the two traction rods, which is close to the bottom-blowing furnace 1, is positioned on the front side of the midpoint of the upper moving seat 4, and the lower ends of the two traction rods are rotatably connected to the middle part of the upper surface of the lower moving seat 6; the upper end of the hydraulic cylinder 503 is hinged to the middle part of the lower surface of the upper moving seat 4 near the front and is positioned behind the two traction rods, the lower end of the hydraulic cylinder 503 is hinged to the lower end of the rear traction rod 502, and the included angle between the hydraulic cylinder 503 and the rear traction rod 502 is an acute angle.

As shown in fig. 5, which is a state diagram of the folding device 5 when it is folded, as can be seen from the change from fig. 5 to fig. 2, the folding device 5 functions to lift and fold the lower moving seat 6 right under the upper moving seat 4 when the folding device 5 is folded, and occupies less space; the lower moving seat 6 is pushed out downwards and forwards in the unfolding process, so that the lower moving seat 6 is close to one side of the bottom blowing furnace 1, and the front end of the lower moving seat 6 reaches a slag hole of the bottom blowing furnace 1; when the device is completely unfolded, the two traction rods are in a vertical state, the lower movable seat 6 is in a horizontal state, and the eye opening and blocking device is in a relatively stable working state.

As shown in fig. 3, which is a display diagram of the hole opening and blocking device observed from one side of a slag hole of the bottom blowing furnace 1, a clay gun machine 7 and a hole opening device 8 are arranged on a lower moving seat 6 side by side, wherein the clay gun machine 7 is arranged on the left side, and the hole opening device 8 is arranged on the right side; the main structure of the clay gun machine 7 is the existing equipment, as shown in fig. 6, and mainly includes a gun barrel 701, the gun barrel 701 is a cylindrical tube, a clay loading port 702 is arranged in the center of the upper portion of the gun barrel 701, a gun nozzle 703 is arranged at the front end of the gun barrel 701, a piston (not shown) is arranged inside the gun barrel 701, a power device (hydraulic drive is adopted in this embodiment) is arranged at the tail portion of the gun barrel 701, the power device drives the piston to move back and forth in the gun barrel 701, and a plug slag hole is extruded from an inner plug of the gun barrel 701.

Fig. 7 is a side view of the holing device 8, which includes a chain box 801, a set of chain transmission device is installed in the chain box 801, which includes a hydraulic motor 802 installed at one end of the chain box 801 far away from the bottom-blowing furnace 1, a driving sprocket 803 is installed on the hydraulic motor 802, a driven sprocket 804 is installed at one end of the chain box 801 near the bottom-blowing furnace 1, and the driving sprocket 803 and the driven sprocket 804 are connected by a chain 805; the bottom surface of the chain box 801 is open, a pneumatic rock drill 807 (existing products) is mounted on the chain 805 through a connecting seat 806, a rotating rod 808 extending forwards is mounted at the front end of the pneumatic rock drill 807, and a rotating head 809 is mounted at the front end of the rotating rod 808; in order to ensure that the rotating rod 808 is kept horizontal, as shown in fig. 8, a pulley seat 9 is arranged on the lower surface of the front end of the chain case 801, an upper pulley 10 and a lower pulley 10 are arranged in the pulley seat 9, the rotating rod 808 passes through between the two pulleys 10, and the two pulleys 10 clamp the rotating rod 808, so that the rotating rod 808 can only move back and forth and rotate without swinging up and down or left and right, and the dislocation of the rotating head 809 during opening the eye is avoided.

The front end of the rotating rod 808 is provided with a rotating head 809, as shown in fig. 9, four evenly distributed tool bits 809.1 are formed at the end of the rotating head 809, the four tool bits 809.1 are distributed in an annular array, the cross section of the tool bits 809.1 is triangular, the cutting edge 809.2 of the tool bit 809.1 is an inclined line, the outer side end of the cutting edge 809.2 is high, the inner side end is low, namely the central side of the four tool bits 809.1 is lower than the outer side end, the pneumatic rock drill 807 drives the rotating rod 808 and the rotating head 809 to rotate, the plug in the slag notch is damaged in the rotating process of the rotating head 809 to realize open the hole, the contact area between the rotating head 809 and the plug can be reduced, the resistance to open the hole is reduced, the operating pressure of the pneumatic rock drill 807 is greatly reduced, and the pneumatic rock drill 807 can be used for a long time.

Further, in order to improve the power utilization safety of the equipment and enable the connection of lines and pipelines to be more orderly and avoid the winding of the lines in the moving process, a cart walking tow chain 11 is arranged on the outer side of the track 2, an oil pipe and a power line are arranged in the cart walking tow chain, and an electric control box 12 is arranged on a walking support on the outer side of the track 2 and connected with the hole opening and blocking equipment and walks along with the equipment (as shown in fig. 10).

The working process of the eye opening and blocking device is as follows:

when the hole is opened, the electric control box 12 is started to supply power to the travelling mechanism 3, and then the pneumatic valve is opened to provide an air source for the pneumatic rock drill 807. The hole opening and blocking machine is controlled by a wireless remote control handle to walk along the track 2 and move to the central position of a slag hole of the furnace body; then the folding device 5 is unfolded, and the lower moving seat 6 is pushed out downwards and forwards, so that the lower moving seat 6 approaches to one side of the bottom-blowing furnace 1, the front end of the lower moving seat 6 reaches the position near the slag hole of the bottom-blowing furnace 1, and the rotating head 809 is aligned to the position of the slag hole to be opened; then, the chain transmission drives the rotary head 809 to move forwards and attach to the plug, the pneumatic rock drill 807 drives the rotary rod 808 and the rotary head 809 to rotate, the plug in the slag hole is damaged in the rotating process of the rotary head 809, the opening is realized, the rotary head 809 is withdrawn immediately after the opening is successful, and the folding device 5 is folded to be far away from the slag hole, so that the molten slag material is prevented from being adhered to the rotary head 809. And after the slag is discharged, the folding device is put down again, the clay gun 7 is aligned to the open hole position, and the clay gun 7 extends forwards to block the hole. It should be noted that the front end of the clay gun 7 in the present device is beyond the front end of the opening device 8, as shown in fig. 5, the opening device 8 is driven by the chain 805 to extend forward and beyond the front end of the clay gun 7 for opening, and after the opening is finished, the clay gun is retracted to the rear of the clay gun 7.

The hole-plugging opening device mainly adopts electric control, manual assistance is used for aligning, manpower is greatly saved, equipment can be stored in the air after being used, the ground space is not occupied, the normal operation of the slag hole of the bottom blowing furnace 1 is guaranteed, the operation rate of the whole smelting link is improved, and the more mechanical development process of pyrometallurgical copper smelting is accelerated.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. A bottom-blowing furnace slag hole opening and blocking device is characterized in that the opening and blocking device is installed on one side of a bottom-blowing furnace slag hole in a hanging mode and is away from the ground; the mud gun drilling machine comprises two rails (2) which are arranged in parallel, wherein the two rails (2) are provided with walking mechanisms (3), the walking mechanisms (3) are connected with an upper moving seat (304), the lower part of the upper moving seat (304) is connected with a lower moving seat (6) through a folding device (5), and the lower moving seat (6) is provided with a mud gun machine (7) and an opening device (8) side by side.

2. The bottom-blown slag hole blockage device according to claim 1, wherein the travelling mechanism (3) comprises two electric motors (301), each of the two electric motors (301) is provided with a travelling wheel (302), and the two travelling wheels (302) are symmetrically arranged on the inner side of the track (2); the two electric motors (301) are connected to two sides of a rectangular upper moving seat (304) through two connecting frames (303), and the rectangular upper moving seat (304) is positioned below the track (2) and is vertical to the track (2).

3. The bottom-blown slag hole plugging device according to claim 2, wherein the front end of the upper moving seat (304) is provided with a side connecting plate (401), the side connecting plate (401) extends upwards to the outer side of the rail (2), and the side connecting plate (401) is provided with vertically opposite clamping wheels (402) to clamp the edge of the rail (2) to run.

4. The bottom-blown slag hole plugging device according to claim 1, wherein said folding device (5) comprises two parallel pulling rods, a front pulling rod (501) and a rear pulling rod (502), respectively, and a hydraulic cylinder (503); the upper ends of the two traction rods are respectively and rotatably connected to the upper moving seat (304), one side of the two traction rods, which is close to the bottom blowing furnace (1), is positioned at the front side of the midpoint of the upper moving seat (304), and the lower ends of the two traction rods are rotatably connected to the middle part of the upper surface of the lower moving seat (6); the upper end of a hydraulic cylinder (503) is hinged to the middle part of the lower surface of the upper moving seat (304) close to the front position and is positioned behind the two traction rods, the lower end of the hydraulic cylinder (503) is hinged to the lower end of the rear traction rod (502), and an included angle between the hydraulic cylinder (503) and the rear traction rod (502) is an acute angle.

5. The bottom-blowing slag hole opening and plugging device as claimed in claim 1, wherein said mud gun (7) comprises a barrel (701), the barrel (701) is a cylindrical tube, a mud loading port (702) is arranged in the center of the upper portion of the barrel (701), a gun nozzle (703) is arranged at the front end of the barrel, a piston is arranged inside the barrel (701), and a power device is arranged at the tail portion of the barrel (701) and drives the piston to move back and forth in the barrel (701) to extrude the plug in the barrel (701) to plug the slag hole.

6. The bottom-blown converter slag hole plugging device according to claim 1, wherein the device (8) comprises a chain box (801), a chain transmission device is arranged in the chain box (801), the chain transmission device comprises a hydraulic motor (802) arranged at one end of the chain box (801) far away from the bottom-blown converter (1), a driving sprocket (803) is arranged on the hydraulic motor (802), a driven sprocket (804) is arranged at one end of the chain box (801) near the bottom-blown converter (1), and the driving sprocket (803) and the driven sprocket (804) are connected through a chain (805); the bottom surface of the chain box (801) is open, a pneumatic rock drill (807) is installed on the chain (805) through a connecting seat (806), a rotating rod (808) extending forwards is installed at the front end of the pneumatic rock drill (807), and a rotating head (809) is installed at the front end of the rotating rod (808).

7. The bottom-blowing slag hole opening and blocking device as claimed in claim 6, wherein the lower surface of the front end of the chain box (801) is provided with a pulley seat (9), an upper pulley (10) and a lower pulley (10) are arranged in the pulley seat (9), and a rotating rod (808) passes through between the two pulleys (10).

8. The bottom-blowing slag hole opening and blocking device as claimed in claim 6, wherein a plurality of uniformly distributed cutter heads (809.1) are formed at the end of the rotary head (809), the cutter heads (809.1) are distributed in an annular array, the cross sections of the cutter heads (809.1) are triangular, the cutting edge (809.2) of the cutter head (809.1) is an inclined line, the outer side end of the cutting edge (809.2) is high, and the inner side end is low.

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