Calcium carbide furnace discharging device

Abstract

The utility model discloses a calcium carbide furnace discharging device, which belongs to the field of calcium carbide furnace discharging equipment and comprises a frame, wheels arranged at the bottom of the frame, a scissor-fork type lifting frame arranged at the top of the frame, a first driving component arranged on the top surface of the frame and used for driving the scissor-fork type lifting frame to lift, and a mounting frame arranged on the top surface of the scissor-fork type lifting frame. A calcium carbide pot is arranged on the top face of the mounting frame, cavities are formed in the left side wall and the right side wall of the calcium carbide pot, baffles are arranged in the cavities, and a second driving assembly used for driving the baffles to ascend and descend is further arranged on the calcium carbide pot. The height of the calcium carbide pot is increased, and the liftable baffles are additionally arranged on the two sides of the calcium carbide pot, so that smelted finished liquid calcium carbide is prevented from being scattered, damage to the track is reduced, and stable conveying of the calcium carbide is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of calcium carbide furnace unloading equipment, in particular to a calcium carbide furnace unloading device. Background Art

[0002] Calcium carbide is the basic raw material of the chemical industry, mainly used in the production of PVC (polyvinyl chloride). my country is the largest producer of calcium carbide, and improving the production level of calcium carbide is of great significance. With the technological progress of my country's calcium carbide production process, especially the new process of hot-charged closed calcium carbide furnace, it is urgently needed to match and improve the production equipment that matches it.

[0003] In the prior art, since the discharge port of the calcium carbide furnace is relatively high, there is a large height difference between the discharge trolley and the discharge port, which can easily cause splashing when the calcium carbide is discharged from the furnace, damaging the track and causing the discharge trolley to fall off the track, affecting the transportation of the calcium carbide. Utility Model Content

[0004] The purpose of the utility model is to provide a calcium carbide furnace discharge device to solve the problem in the prior art that the discharge port of the calcium carbide furnace is relatively high, there is a large height difference between the discharge trolley and the discharge port, splashing is likely to occur when the calcium carbide is discharged, the track is damaged, the discharge trolley is caused to fall off the track, and the transportation of the calcium carbide is affected.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a calcium carbide furnace unloading device, comprising a frame, wheels are arranged at the bottom of the frame, a scissors-type lifting frame is arranged at the top of the frame, a first driving component for driving the scissors-type lifting frame to rise and fall is arranged on the top surface of the frame, a mounting frame is arranged on the top surface of the scissors-type lifting frame, a calcium carbide pot is arranged on the top surface of the mounting frame, cavities are arranged in the left and right side walls of the calcium carbide pot, a baffle is arranged in the cavity, and a second driving component for driving the baffle to rise and fall is also arranged on the calcium carbide pot.

[0007] Furthermore, the first driving assembly includes a first motor, which is arranged on the rear side of the frame, and a bidirectional lead screw is connected to the output shaft of the first motor, and a lead screw seat is threadedly connected to the forward and reverse thread segments of the bidirectional lead screw, and the two lead screw seats are respectively connected to the two connecting rods at the bottom of the scissors-type lifting frame.

[0008] Furthermore, the second driving assembly includes a second motor, which is arranged on the outside of the electric stone pot. A rotating shaft is connected to the output shaft of the second motor. The rotating shaft extends to the interior of the baffle and is connected to a gear. A rack meshing with the gear is arranged in the internal mounting cavity of the baffle.

[0009] Furthermore, the number of the racks is set to two, and the two racks are arranged on the front and rear inner walls of the internal mounting cavity of the baffle. The number of the gears and the rotating shafts is also set to two, one of which is connected to the output shaft of the second motor, and the two rotating shafts are connected through a transmission assembly.

[0010] Furthermore, the transmission assembly includes a driving sprocket and a driven sprocket, the driving sprocket is installed on the rotating shaft connected to the output shaft of the second motor, the driven sprocket is installed on another rotating shaft, and the driving sprocket and the driven sprocket are connected by a chain transmission.

[0011] Furthermore, movable templates are arranged on the front and rear sides of the calcium carbide pot, a limiting rod is arranged on the outer side of the movable template, and a limiting ring matching the limiting rod is arranged on the outer wall of the calcium carbide pot.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model deploys a scissor-type lifting frame to raise the mounting frame and the calcium carbide pot, so that the calcium carbide pot is close to the discharge port, reducing the height difference between the calcium carbide pot and the discharge port, and preventing the calcium carbide from spilling onto the track; baffles are arranged in the cavities on the left and right sides of the calcium carbide pot, and the baffles stably move upward to shield the left and right sides of the calcium carbide pot, and prevent the smelted finished liquid calcium carbide from spilling; the utility model increases the height of the calcium carbide pot and adds liftable baffles on both sides of the calcium carbide pot to prevent the smelted finished liquid calcium carbide from spilling, reduces damage to the track, and ensures stable transportation of calcium carbide. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 This is a front view of the calcium carbide furnace discharge device of the utility model;

[0016] Figure 2 It is a side view of the discharge device of the calcium carbide furnace of the utility model;

[0017] Figure 3 It is a top view of the calcium carbide furnace discharge device of the utility model;

[0018] Figure 4 This is a schematic diagram of the positional relationship of the bidirectional screw, screw seat, and connecting rod of the utility model;

[0019] Figure 5 It is a top view of the electric stone pot and baffle of the utility model;

[0020] Figure 6 for Figure 5 The enlarged view of point A in the middle;

[0021] Figure 7 This is a schematic diagram of the positional relationship between the gear and rack of the utility model;

[0022] Figure 8 This is a front view of the calcium carbide furnace discharge device of the utility model in use;

[0023] Fig. 9 It is a side view of the calcium carbide furnace discharge device of the utility model in use.

[0024] Explanation of the reference numerals in the accompanying drawings: 1. frame; 2. wheel; 3. scissor-type lifting frame; 4. first motor; 5. bidirectional screw; 6. screw seat; 7. connecting rod; 8. mounting frame; 9. calcium carbide pot; 10. baffle; 11. rack; 12. gear; 13. rotating shaft; 14. second motor; 15. driving sprocket; 16. driven sprocket; 17. chain; 18. movable template; 19. limit rod; 20. limit ring. DETAILED DESCRIPTION

[0025] like Figure 1-9 As shown, a calcium carbide furnace unloading device includes a frame 1, a wheel 2 is installed at the bottom of the frame 1, a scissors-type lifting frame 3 is installed on the top of the frame 1, a first driving component for driving the scissors-type lifting frame 3 to rise and fall is installed on the top surface of the frame 1, a mounting frame 8 is installed on the top surface of the scissors-type lifting frame 3, a calcium carbide pot 9 is installed on the top surface of the mounting frame 8, cavities are arranged in the left and right side walls of the calcium carbide pot 9, a baffle 10 is arranged in the cavity, and a second driving component for driving the baffle 10 to rise and fall is also arranged on the calcium carbide pot 9.

[0026] The first driving assembly includes a first motor 4, which is mounted on the rear side of the frame 1. Figure 4 As shown, a bidirectional screw 5 is connected to the output shaft of the first motor 4, and the bidirectional screw 5 is rotatably installed on the top surface of the frame 1 through a bearing. A screw seat 6 is threadedly connected to the positive and negative thread sections of the bidirectional screw 5, and the two screw seats 6 are respectively connected to the two connecting rods 7 at the bottom of the scissors-type lifting frame 3; when in use, the first motor 4 is started, and the first motor 4 drives the bidirectional screw 5 to rotate. The rotation of the bidirectional screw 5 drives the two screw seats 6 to approach each other, thereby driving the two connecting rods 7 at the bottom to approach each other, and the scissors-type lifting frame 3 is unfolded, so that the mounting frame 8 and the calcium carbide pot 9 are raised, so that the calcium carbide pot 9 is close to the furnace outlet to prevent the smelted finished liquid calcium carbide from spilling.

[0027] The second driving assembly includes a second motor 14, which is installed on the outside of the electric stone pot 9. A rotating shaft 13 is connected to the output shaft of the second motor 14. The rotating shaft 13 extends to the interior of the baffle 10 and is connected to the gear 12. A rack 11 meshing with the gear 12 is installed in the internal mounting cavity of the baffle 10.

[0028] like Figure 5 As shown, the number of the racks 11 is set to two, and the two racks 11 are installed on the inner walls of the front and rear sides of the internal mounting cavity of the baffle 10. The number of the gears 12 and the rotating shafts 13 is also set to two, one of which is connected to the output shaft of the second motor 14, and the two rotating shafts 13 are connected to each other through a transmission assembly; the transmission assembly includes a driving sprocket 15 and a driven sprocket 16, the driving sprocket 15 is installed on the rotating shaft 13 connected to the output shaft of the second motor 14, and the driven sprocket 16 is installed on the other rotating shaft 13 The driving sprocket 15 and the driven sprocket 16 are connected by a chain 17; when in use, the second motor 14 is started, the second motor 14 drives the rotating shaft 13 to rotate, the gear 12 rotates synchronously with the rotating shaft 13, and drives the rack 11 to move upward. By setting the driving sprocket 15, the driven sprocket 16 and the chain 17, the two rotating shafts 13 are driven to rotate synchronously, so that the two gears 12 are respectively engaged with the corresponding racks 11, driving the rack 11 to move upward, thereby ensuring that the baffle 10 moves upward stably, shielding the left and right sides of the calcium carbide pot 9, and preventing the smelted finished liquid calcium carbide from spilling.

[0029] Specifically, a long hole is formed on the outer wall of the baffle 10 , and the rotating shaft 13 moves along the long hole when the baffle 10 rises.

[0030] The front and rear sides of the calcium carbide pot 9 are movably connected with a movable template 18 through hinges, and the left and right sides of the movable template 18 are connected with fixed rings, and a limiting rod 19 is inserted in the fixed ring, and a limiting ring 20 matching the limiting rod 19 is connected to the outer wall of the calcium carbide pot 9; when the calcium carbide is taken out of the furnace, the limiting rod 19 is inserted into the limiting ring 20 to lock the position of the movable template 18, and the smelted finished liquid calcium carbide flows into the calcium carbide pot 9; when the calcium carbide is cooled and needs to be taken out, the two limiting rods 19 are separated from the limiting ring 20, the movable template 18 is flipped downward and opened, and the solid calcium carbide is clamped from the position of the movable template 18 with a lifting tool to take the solid calcium carbide out of the calcium carbide pot 9.

[0031] The working process of the utility model is as follows:

[0032] First, the device is moved to the lower part of the outlet of the calcium carbide furnace, and the first motor 4 is started. The first motor 4 drives the bidirectional screw 5 to rotate. The rotation of the bidirectional screw 5 drives the two screw seats 6 to approach each other, thereby driving the two connecting rods 7 at the bottom to approach each other, and the scissor-type lifting frame 3 is unfolded to raise the mounting frame 8 and the calcium carbide pot 9, so that the calcium carbide pot 9 is close to the outlet; then, the second motor 14 is started. The second motor 14 drives the rotating shaft 13 to rotate, and the gear 12 rotates synchronously with the rotating shaft 13, driving the rack 11 to move upward, thereby ensuring that the baffle 10 moves upward stably to cover the left and right sides of the calcium carbide pot 9; after that, the smelted finished liquid calcium carbide flows into the calcium carbide pot 9;

[0033] Then, the second motor 14 is started, and the second motor 14 drives the rotating shaft 13 to rotate in the opposite direction to drive the baffle 10 to descend, and the first motor 4 is started, and the first motor 4 drives the bidirectional screw 5 to rotate in the opposite direction, and the scissor-type lifting frame 3 is retracted and restored to the initial height; then the device is moved to the cooling area for cooling to solidify the liquid calcium carbide;

[0034] Finally, when the calcium carbide needs to be taken out after cooling, the two limit rods 19 are separated from the limit rings 20, the movable template 18 is flipped downward and opened, and the solid calcium carbide is clamped from the position of the movable template 18 with a lifting tool to take the solid calcium carbide out of the calcium carbide pot 9.

[0035] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A calcium carbide furnace discharge device, characterized in that: The invention comprises a frame (1), wherein a wheel (2) is arranged at the bottom of the frame (1), a scissor-type lifting frame (3) is arranged at the top of the frame (1), a first driving component for driving the scissor-type lifting frame (3) to rise and fall is arranged on the top surface of the frame (1), a mounting frame (8) is arranged on the top surface of the scissor-type lifting frame (3), a calcium carbide pot (9) is arranged on the top surface of the mounting frame (8), cavities are arranged in the left and right side walls of the calcium carbide pot (9), a baffle (10) is arranged in the cavity, and a second driving component for driving the baffle (10) to rise and fall is also arranged on the calcium carbide pot (9).

2. The calcium carbide furnace discharge device according to claim 1, characterized in that: The first driving assembly comprises a first motor (4), the first motor (4) being arranged at the rear side of the frame (1), a bidirectional lead screw (5) being connected to the output shaft of the first motor (4), a lead screw seat (6) being threadedly connected to the forward and reverse threaded sections of the bidirectional lead screw (5), and two lead screw seats (6) being respectively connected to two connecting rods (7) at the bottom of the scissor-type lifting frame (3).

3. The calcium carbide furnace discharge device according to claim 1, characterized in that: The second driving assembly comprises a second motor (14), the second motor (14) is arranged on the outside of the electric stone pot (9), the output shaft of the second motor (14) is connected to a rotating shaft (13), the rotating shaft (13) extends to the inside of the baffle (10) and is connected to the gear (12), and a rack (11) meshing with the gear (12) is arranged in the internal mounting cavity of the baffle (10).

4. The calcium carbide furnace discharge device according to claim 3, characterized in that: The number of the racks (11) is set to two, and the two racks (11) are arranged on the inner walls on the front and rear sides of the internal mounting cavity of the baffle (10). The number of the gears (12) and the rotating shafts (13) is also set to two, one of which is connected to the output shaft of the second motor (14), and the two rotating shafts (13) are connected to each other through a transmission assembly.

5. The calcium carbide furnace discharge device according to claim 4, characterized in that: The transmission assembly comprises a driving sprocket (15) and a driven sprocket (16); the driving sprocket (15) is mounted on the rotating shaft (13) connected to the output shaft of the second motor (14); the driven sprocket (16) is mounted on another rotating shaft (13); the driving sprocket (15) and the driven sprocket (16) are connected by a chain (17).

6. The calcium carbide furnace discharge device according to claim 1, characterized in that: The front and rear sides of the calcium carbide pot (9) are provided with movable templates (18), the outer side of the movable template (18) is provided with a limit rod (19), and the outer wall of the calcium carbide pot (9) is provided with a limit ring (20) matching the limit rod (19).

Images