Totally-closed calcium carbide furnace feed port sealing structure

Abstract

The sealing structure comprises the calcium carbide furnace, a furnace cover is placed at an opening in the top of the calcium carbide furnace, a groove matched with the top of the calcium carbide furnace is formed in the side wall of the side, facing the calcium carbide furnace, of the furnace cover, and a rubber gasket is fixedly connected to the side wall of the side, facing the calcium carbide furnace, of the furnace cover. A driving mechanism for driving the furnace cover to move up and down is arranged on the outer side wall of the calcium carbide furnace. The sealing device has the advantages that a worker can seal the top opening of the calcium carbide furnace conveniently, and the situation that high-temperature gas leaks out when the device is used, and normal use of calcium carbide furnace equipment is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium carbide furnace technical field, specifically point to a kind of full-closed calcium carbide furnace feed inlet sealing structure. BACKGROUND

[0002] As the basic raw material of chemical industry, calcium carbide is mainly produced by calcium carbide furnace. In the calcium carbide furnace, raw materials will react violently at extremely high temperature, so the furnace body must be tightly closed by furnace cover to prevent high-temperature furnace gas from leaking out.

[0003] Although the current calcium carbide furnace cover has a certain sealing function, it is rigidly connected with the calcium carbide furnace, so there may be tiny gaps even if they are in close contact. These gaps may allow high-temperature gas to leak out when the calcium carbide raw materials react at high temperature, thereby interfering with the normal operation of the calcium carbide furnace equipment. SUMMARY

[0004] The utility model provides a kind of full-closed calcium carbide furnace feed inlet sealing structure for the deficiency of prior art, which facilitates the sealing of the top opening of the calcium carbide furnace by workers, avoids high-temperature gas leakage when the device is used, and thereby affects the normal use of the calcium carbide furnace equipment.

[0005] The utility model is realized by the following technical solutions, and provides a kind of full-closed calcium carbide furnace feed inlet sealing structure, including calcium carbide furnace, furnace cover is placed at the top opening of calcium carbide furnace, recess is opened on the side wall of the side of furnace cover towards calcium carbide furnace, which is matched with the top of calcium carbide furnace, rubber gasket is fixedly connected on the side wall of the side of furnace cover towards calcium carbide furnace, driving mechanism that makes furnace cover move up and down is arranged on the outer side wall of calcium carbide furnace.

[0006] The utility model discloses a sealing device for calcium carbide furnace top opening, including calcium carbide furnace, the bottom of calcium carbide furnace is provided with the bottom plate, and the top of calcium carbide furnace is provided with the top plate, the top plate is provided with the opening, and the top plate is provided with the opening.

[0007] As preferred, the driving mechanism comprises two vertical rods fixed on the left and right side walls of the furnace cover and a horizontal rod fixed on the front side wall of the electric furnace, the horizontal rod is provided with a support rod below the vertical rods on the side wall of the electric furnace, the bottom of the vertical rod is provided with a threaded groove, a threaded rod is arranged in the threaded groove, the threaded rod extends vertically into the support rod, the support rod is provided with a turbine coaxially fixed with the threaded rod, the turbine is engaged with a worm between the turbine and the horizontal rod, the outer side wall of the worm is sleeved with a first sprocket, the horizontal rod is provided with a rotating rod away from the side wall of the electric furnace, the rotating rod extends horizontally into the horizontal rod towards the electric furnace, the first bevel gear is fixed on one end of the rotating rod towards the electric furnace, the horizontal rod is provided with two second bevel gears engaged with the first bevel gear and located on the left and right sides of the first bevel gear, the second bevel gear is fixed on the rotating shaft away from the side wall of the first bevel gear, the outer side wall of the rotating shaft is sleeved with a second sprocket, the first sprocket and the second sprocket are connected by a chain transmission, the threads of the two threaded grooves are opposite in rotation direction. The driving mechanism comprises two vertical rods fixed on the left and right side walls of the furnace cover and a horizontal rod fixed on the front side wall of the electric furnace, the horizontal rod is provided with a support rod below the vertical rods on the side wall of the electric furnace, the bottom of the vertical rod is provided with a threaded groove, a threaded rod is arranged in the threaded groove, the threaded rod extends vertically into the support rod, the support rod is provided with a turbine coaxially fixed with the threaded rod, the turbine is engaged with a worm between the turbine and the horizontal rod, the outer side wall of the worm is sleeved with a first sprocket, the horizontal rod is provided with a rotating rod away from the side wall of the electric furnace, the rotating rod extends horizontally into the horizontal rod towards the electric furnace, the first bevel gear is fixed on one end of the rotating rod towards the electric furnace, the horizontal rod is provided with two second bevel gears engaged with the first bevel gear and located on the left and right sides of the first bevel gear, the second bevel gear is fixed on the rotating shaft away from the side wall of the first bevel gear, the outer side wall of the rotating shaft is sleeved with a second sprocket, the first sprocket and the second sprocket are connected by a chain transmission, the threads of the two threaded grooves are opposite in rotation direction. The device is used, the rotating rod is rotated on the horizontal rod by controlling, the first bevel gear is rotated in the horizontal rod driven by the rotating rod, the second bevel gear engaged with the first bevel gear is rotated in the horizontal rod, the rotating shaft is rotated in the horizontal rod with the second bevel gear, the second sprocket is rotated, the first sprocket is rotated in the support rod driven by the chain transmission, the worm is rotated in the support rod, the turbine is rotated in the support rod, the threaded rod is rotated in the threaded groove of the vertical rod with the turbine, the vertical rod cannot be rotated driven by the threaded rod due to the positioning effect of the furnace cover, but will move up and down driven by the threaded rod, the furnace cover fixed with the vertical rod is moved.

[0008] As preferred, the vertical rod is provided with a limiting rod on the side wall away from the furnace cover, and the furnace cover is fixed with the vertical rod through the limiting rod penetrating the vertical rod towards the furnace cover and extending into the furnace cover. By providing the limiting rod on the side wall away from the furnace cover, and fixing the furnace cover with the vertical rod through the limiting rod penetrating the vertical rod towards the furnace cover and extending into the furnace cover, when the device is in use, the limiting rod can be separated from the furnace cover by dragging the limiting rod in the vertical rod to move away from the furnace cover, so that the furnace cover is no longer fixed with the vertical rod through the limiting rod, thereby facilitating the workers to disassemble and replace the furnace cover from the vertical rod.

[0009] As preferred, the horizontal rod is provided with a rotating motor coaxially fixed with the end of the rotating rod away from the calcium carbide furnace on the side wall away from the calcium carbide furnace. By providing the horizontal rod with the rotating motor coaxially fixed with the end of the rotating rod away from the calcium carbide furnace on the side wall away from the calcium carbide furnace, the workers can conveniently drive the rotating rod to rotate on the horizontal rod by using the rotating motor.

[0010] As preferred, the limiting rod is provided with two on the side wall away from the furnace cover of the vertical rod, the two limiting rods are respectively located on the front and rear sides of the threaded groove, and the ends of the two limiting rods away from the furnace cover are fixedly connected with a connecting rod. By providing the limiting rod with two on the side wall away from the furnace cover of the vertical rod, the two limiting rods are respectively located on the front and rear sides of the threaded groove, and the ends of the two limiting rods away from the furnace cover are fixedly connected with a connecting rod, which not only can improve the stability between the vertical rod and the furnace cover when the device is in use, but also can facilitate the workers to drag the limiting rod in the vertical rod to move away from the furnace cover and disassemble the furnace cover from the vertical rod.

[0011] The device has the advantages that: the calcium carbide furnace is provided, the furnace cover is placed at the top opening of the calcium carbide furnace, the recess matched with the top of the calcium carbide furnace is formed in the side wall of the furnace cover facing the calcium carbide furnace, the rubber gasket is fixedly connected to the side wall of the furnace cover facing the calcium carbide furnace, and the driving mechanism for moving the furnace cover up and down is arranged on the outer side wall of the calcium carbide furnace. When the device is in use, the furnace cover is driven to move downward by the driving mechanism, so that the top of the calcium carbide furnace is in contact with the rubber gasket on the furnace cover, the rubber gasket is stretched under the pushing of the top of the calcium carbide furnace, the rubber gasket enters the recess along with the top of the calcium carbide furnace, the rubber gasket is pressed on the top of the calcium carbide furnace, the top opening of the calcium carbide furnace is sealed, the furnace cover is driven to move upward by the driving mechanism, the top of the calcium carbide furnace is separated from the recess, the rubber gasket returns to the natural state of extension, the furnace cover is separated from the calcium carbide furnace, and the workers can pour raw materials into the calcium carbide furnace. Therefore, the workers can seal the top opening of the calcium carbide furnace, the high-temperature gas is prevented from leaking out when the device is in use, and the normal use of the calcium carbide furnace equipment is affected. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 Structure schematic view of the utility model;

[0013] Figure 2 Structure schematic view of the utility model; Figure 1 Structure perspective view of part A;

[0014] Figure 3 Structure perspective view of part B; Figure 1 Structure perspective view of part B;

[0015] Figure 4 Structure top view of the utility model;

[0016] Figure 5 Structure perspective view of part C; Figure 4 Structure perspective view of part C;

[0017] Figure 6 Structure perspective view of part D; Figure 5 Structure perspective view of part D;

[0018] Figure 7 Structure schematic view of part C; Figure 6 Structure schematic view of part D;

[0019] Figure 8 Structure schematic view of part D; Figure 6 Structure schematic view of part D;

[0020] As shown in the figure:

[0021] 1, connecting rod, 2, threaded rod, 3, cross bar, 4, rubber gasket, 5, furnace cover, 6, vertical rod, 7, limit rod, 8, calcium carbide furnace, 9, rotating motor, 10, threaded groove, 11, groove, 12, support rod, 13, rotating rod, 14, rotating shaft, 15, first bevel gear, 16, second bevel gear, 17, turbine, 18, worm, 19, chain, 20, first sprocket, 21, second sprocket. DETAILED DESCRIPTION

[0022] In order to clearly illustrate the technical features of the scheme, the following through specific embodiments, the scheme is described.

[0023] As Figures 1-8 The utility model discloses a full -enclosed calcium carbide furnace feed inlet sealing structure, including calcium carbide furnace 8, the top opening of calcium carbide furnace 8 is placed with furnace cover 5, the furnace cover 5 is set up with the recess 11 of the top compatible calcium carbide furnace 8 on the side wall of the side wall of calcium carbide furnace 8, the furnace cover 5 is fixedly connected with rubber gasket 4 on the side wall of the side wall of calcium carbide furnace 8, the outer side wall of calcium carbide furnace 8 is provided with the drive mechanism of making furnace cover 5 moves up and down.

[0024] The driving mechanism comprises two vertical rods 6 fixed on the left and right side walls of the furnace cover 5 and a horizontal rod 3 fixed on the front side wall of the electric furnace 8, the horizontal rod 3 is provided with a supporting rod 12 below the vertical rod 6 on the side wall facing the electric furnace 8, a threaded groove 10 is formed in the bottom of the vertical rod 6, a threaded rod 2 is arranged in the threaded groove 10, the threaded rod 2 extends vertically into the supporting rod 12, a turbine 17 is arranged in the supporting rod 12 and fixed coaxially with the threaded rod 2, a worm 18 is engaged between the turbine 17 and the horizontal rod 3, a first sprocket 20 is sleeved on the outer side wall of the worm 18, a rotating rod 13 is arranged on the side wall away from the electric furnace 8 of the horizontal rod 3, the rotating rod 13 extends horizontally into the horizontal rod 3 towards the electric furnace 8, a first bevel gear 15 is fixed on the end of the rotating rod 13 facing the electric furnace 8, two second bevel gears 16 are arranged in the horizontal rod 3 and engaged with the first bevel gear 15 and located on the left and right sides of the first bevel gear 15, a rotating shaft 14 is fixed on the side wall away from the first bevel gear 15 of the second bevel gear 16, a second sprocket 21 is sleeved on the outer side wall of the rotating shaft 14, the first sprocket 20 and the second sprocket 21 are connected by a chain 19, the thread directions of the two threaded grooves 10 are opposite, when the device is in use, the rotating rod 13 is controlled to rotate on the horizontal rod 3, the rotating rod 13 drives the first bevel gear 15 to rotate in the horizontal rod 3, which drives the second bevel gear 16 engaged with the first bevel gear 15 to rotate in the horizontal rod 3, the rotating shaft 14 rotates in the horizontal rod 3 with the second bevel gear 16, which drives the second sprocket 21 to rotate, the first sprocket 20 rotates in the supporting rod 12 under the transmission of the chain 19, which drives the worm 18 to rotate in the supporting rod 12, which drives the turbine 17 to rotate in the supporting rod 12, the threaded rod 2 rotates in the threaded groove 10 of the vertical rod 6 with the turbine 17, at this time, the vertical rod 6 cannot rotate under the drive of the threaded rod 2 due to the positioning effect of the furnace cover 5, but moves up and down under the drive of the threaded rod 2, which drives the furnace cover 5 fixed with the vertical rod 6 to move. A limiting rod 7 is arranged on the side wall away from the furnace cover 5 of the vertical rod 6, the furnace cover 5 and the vertical rod 6 are fixed by the limiting rod 7 which passes through the vertical rod 6 towards the furnace cover 5 and extends into the furnace cover 5, when the device is in use, the limiting rod 7 is pulled to move in the vertical rod 6 away from the furnace cover 5, which makes the limiting rod 7 separate from the furnace cover 5, so that the furnace cover 5 and the vertical rod 6 are no longer fixed by the limiting rod 7, which facilitates workers to disassemble and replace the furnace cover 5 from the vertical rod 6. A rotating motor 9 is arranged on the side wall away from the electric furnace 8 of the horizontal rod 3 and fixed coaxially with the end of the rotating rod 13 away from the electric furnace 8, which facilitates workers to drive the rotating rod 13 to rotate on the horizontal rod 3 by the rotating motor 9.The two limiting rods 7 are arranged on the side wall of the vertical rod 6 away from the furnace cover 5, and the two limiting rods 7 are respectively located on the front and rear sides of the threaded groove 10, and the connecting rod 1 is fixedly connected to the end of the two limiting rods 7 away from the furnace cover 5, so that the stability between the device and the furnace cover 5 during use can be improved, and the staff can conveniently drag the limiting rod 7 to move in the vertical rod 6 and move away from the furnace cover 5, so that the furnace cover 5 can be disassembled from the vertical rod 6.

[0025] In combination with the accompanying drawings Figures 1-8The utility model discloses a method for using as follows: first, by controlling the rotation motor 9 positive rotation, drive the rotation of the cross rod 13 on the cross rod 3, make the rotation of the first bevel gear 15 in the cross rod 3 with the rotation of the second bevel gear 16 in the cross rod 3 with the rotation of the second sprocket 21 in the rotation of the first sprocket 20 in the support rod 12 with the rotation of the worm 18 in the support rod 12 with the rotation of the worm 17 in the support rod 12 with the rotation of the screw rod 2 in the vertical rod 6's screw groove 10, the vertical rod 6 is positioned by the furnace cover 5 and cannot rotate under the drive of the screw rod 2, but will move down under the drive of the screw rod 2, make the rubber pad 4 on the furnace cover 5 contact the top of the electric furnace 8, and make the rubber pad 4 stretch under the push of the top of the electric furnace 8, so that the rubber pad 4 also enters the recess 11 with the top of the electric furnace 8, so that the rubber pad 4 is pressed on the top of the electric furnace 8, so as to realize the sealing of the top opening of the electric furnace 8, then by controlling the rotation motor 9 reverse rotation, drive the rotation of the cross rod 13 on the cross rod 3, make the rotation of the first bevel gear 15 in the cross rod 3 with the rotation of the second bevel gear 16 in the cross rod 3 with the rotation of the second sprocket 21 in the rotation of the first sprocket 20 in the support rod 12 with the rotation of the worm 18 in the support rod 12 with the rotation of the worm 17 in the support rod 12 with the rotation of the screw rod 2 in the vertical rod 6's screw groove 10, the vertical rod 6 is positioned by the furnace cover 5 and cannot rotate under the drive of the screw rod 2, but will move up under the drive of the screw rod 2, make the furnace cover 5 move up with the vertical rod 6, make the top of the electric furnace 8 from the recess 11, the rubber pad 4 will restore to the natural extension state because of losing the upward pressure, the furnace cover 5 continues to move up under the drive of the drive mechanism, the furnace cover 5 will separate from the electric furnace 8, so as to facilitate the staff to pour raw materials into the electric furnace 8.

[0026] Of course, the above description is also not limited to the above examples, the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A totally enclosed calcium carbide furnace feed port seal structure comprising a calcium carbide furnace (8) characterized by: The top opening of the calcium furnace (8) is provided with a furnace cover (5), a groove (11) is formed in the side wall of the furnace cover (5) facing the calcium furnace (8), a rubber gasket (4) is fixed to the side wall of the furnace cover (5) facing the calcium furnace (8), a driving mechanism is arranged on the outer side wall of the calcium furnace (8) to move the furnace cover (5) up and down, the driving mechanism comprises two vertical rods (6) fixed to the left and right side walls of the furnace cover (5) and a horizontal rod (3) fixed to the front side wall of the calcium furnace (8), a support rod (12) is arranged on the side wall of the horizontal rod (3) facing the calcium furnace (8) and located below the vertical rod (6), a threaded groove (10) is formed in the bottom of the vertical rod (6), a threaded rod (2) is arranged in the threaded groove (10), the threaded rod (2) extends vertically into the support rod (12), a turbine (17) is arranged in the support rod (12) and fixed coaxially with the threaded rod (2), a worm (18) is engaged with the turbine (17) and located between the turbine (17) and the horizontal rod (3), a first sprocket (20) is sleeved on the outer side wall of the worm (18), a rotating rod (13) is arranged on the side wall of the horizontal rod (3) away from the calcium furnace (8) and extends transversely into the horizontal rod (3) towards the calcium furnace (8), a first bevel gear (15) is fixed to one end of the rotating rod (13) facing the calcium furnace (8), two second bevel gears (16) are arranged in the horizontal rod (3) and engaged with the first bevel gear (15) and located on the left and right sides of the first bevel gear (15), a rotating shaft (14) is fixed to the side wall of the second bevel gear (16) away from the first bevel gear (15), a second sprocket (21) is sleeved on the outer side wall of the rotating shaft (14), the first sprocket (20) and the second sprocket (21) are drivingly connected by a chain (19), and the thread directions of the two threaded grooves (10) are opposite.

2. The totally-enclosed calcium carbide furnace feedwell seal of claim 1, wherein: A limiting rod (7) is arranged on the side wall of the vertical rod (6) away from the furnace cover (5), and the furnace cover (5) and the vertical rod (6) are fixed by the limiting rod (7) penetrating through the vertical rod (6) towards the furnace cover (5) and extending into the furnace cover (5).

3. The totally-enclosed calcium carbide furnace feedwell seal of claim 2, wherein: A rotating motor (9) is fixed coaxially to the end of the rotating rod (13) away from the calcium furnace (8) on the side wall of the horizontal rod (3) away from the calcium furnace (8).

4. The totally-enclosed calcium carbide furnace feedwell seal of claim 3, wherein: Two limiting rods (7) are arranged on the side wall of the vertical rod (6) away from the furnace cover (5), the two limiting rods (7) are located on the front and rear sides of the threaded groove (10) respectively, and connecting rods (1) are fixed to the ends of the two limiting rods (7) away from the furnace cover (5).

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