Electrolytic aluminum guide rod sealing device

Abstract

The utility model discloses an electrolytic aluminum guide rod sealing device which comprises a limiting plate for limiting the position of a guide rod, a sealing assembly is detachably arranged on the limiting plate and comprises a first insulating plate and a second insulating plate, and a high-temperature-resistant felt is arranged between the first insulating plate and the second insulating plate. The first insulating plate and the second insulating plate are detachably and fixedly connected so as to be used for locking the high-temperature-resistant felt, and the high-temperature-resistant felt is used for improving the sealing performance of the contact area of the guide rod and the limiting plate. Compared with the prior art, the sealing assembly has the advantages that the first insulating plate and the second insulating plate are detachably connected, so that after the high-temperature-resistant felt located between the first insulating plate and the second insulating plate reaches the service life, the sealing assembly can be continuously used only by replacing the high-temperature-resistant felt, and the use cost of the sealing assembly is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic aluminium equipment dust prevention technical field, especially in kind of electrolytic aluminium guide rod sealing device. BACKGROUND

[0002] Electrolytic aluminium is obtained by electrolytic method, and its modern industrial production mainly adopts cryolite-alumina fused salt electrolysis method, the process takes molten cryolite as solvent, alumina as solute, carbon body as anode, and aluminium liquid as cathode, under the high temperature of 950 DEG C-970 DEG C, strong direct current is passed in to carry out electrolysis reaction, and aluminium liquid and gas product are generated.

[0003] In the process of electrolytic aluminium, electrolytic aluminium guide rod is installed and fixed through guide rod hanger, ensures that the guide rod remains vertical and stable, avoids safety accidents caused by inclination or shaking, in order to prevent dust and other foreign matters from entering the tank body through the gap between the guide rod and the tank body in the electrolysis process, a sealing element is installed at the cooperation place of the guide rod and the tank body, so as to avoid dust invasion. The design of the sealing element can protect the stability of the tank body operation.

[0004] But the existing sealing element is composed of insulating plate and flexible high-temperature-resistant felt, the insulating plate and the high-temperature-resistant felt are directly fixed and connected, and it is an integral whole, and the working temperature of electrolytic aluminium is high, therefore, the service life of the sealing element is low, when the service life of the sealing element reaches, it can only be replaced in whole, leading to high use cost of the sealing element. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a kind of electrolytic aluminium guide rod sealing device, first insulating plate and second insulating plate are detachably connected, therefore, when high-temperature-resistant felt located between them reaches service life, only need to replace high-temperature-resistant felt to continue to use, thereby reduce the use cost of sealing assembly.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] A kind of electrolytic aluminium guide rod sealing device, including the limiting plate of limiting guide rod position, the limiting plate is detachably provided with sealing assembly, the sealing assembly includes first insulating plate and second insulating plate, high-temperature-resistant felt is arranged between the first insulating plate and the second insulating plate, the first insulating plate and the second insulating plate are detachably fixedly connected to lock high-temperature-resistant felt, and the high-temperature-resistant felt is used to improve the sealing property of the contact area of guide rod and limiting plate.

[0008] Further, U-shaped groove is formed in the limiting plate, and the guide rod passes through the limiting plate through the U-shaped groove.

[0009] Further, the first insulation plate, the second insulation plate and the high-temperature-resistant felt are all in U shape, and the high-temperature-resistant felt extends into the space formed by the first insulation plate and the second insulation plate on the inner side for contacting the guide rod.

[0010] Further, the top of the limiting plate is provided with a clamping groove, and the first insulation plate is fixed with a clamping strip which is inserted into the clamping groove to detachably fix the sealing assembly on the limiting plate.

[0011] Further, the first insulation plate and the second insulation plate are connected through a plurality of bolts.

[0012] Further, the bolt comprises a screw rod and a nut, the nut is fixed on the top of the second insulation plate, the screw rod is threadedly connected on the first insulation plate, and the screw rod is threadedly connected with the nut through the high-temperature-resistant felt.

[0013] Further, the bottom of the first insulation plate is provided with a countersunk hole matched with the screw rod, and the head of the screw rod is located in the countersunk hole.

[0014] Compared with the prior art, the sealing assembly has the following beneficial effects:

[0015] The first insulation plate and the second insulation plate are detachably connected, so that when the high-temperature-resistant felt located between the first insulation plate and the second insulation plate reaches the service life, the high-temperature-resistant felt only needs to be replaced to continue to use, thereby reducing the use cost of the sealing assembly.

[0016] The high-temperature-resistant felt is in U shape, and the high-temperature-resistant felt extends into the space formed by the first insulation plate and the second insulation plate on the inner side, so that after the sealing assembly is fixed on the limiting plate, the high-temperature-resistant felt is extruded to deform due to contacting the guide rod, and then the high-temperature-resistant felt is tightly attached to the guide rod, so as to avoid the gap between the high-temperature-resistant felt and the guide rod.

[0017] After the clamping strip is inserted into the clamping groove, the sealing assembly can be fixed on the limiting plate, and when the sealing assembly needs to be replaced, the clamping strip can be pulled out from the clamping groove, so that the sealing assembly is removed from the guide rod, so as to facilitate personnel to replace the sealing assembly.

[0018] The head of the screw rod is located in the countersunk hole, so that after the clamping strip is inserted into the clamping groove, the head of the screw rod does not contact the limiting plate, thereby avoiding that the head of the screw rod is exposed to affect the connection stability of the sealing assembly and the limiting plate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a connection schematic view of the limiting plate, the guide rod and the sealing assembly of the electrolytic aluminum guide rod sealing device.

[0020] Figure 2The utility model relates to a sealing device for electrolytic aluminium guide rod.

[0021] Figure 3 The utility model relates to a sealing assembly first visual angle structure diagram of sealing device for electrolytic aluminium guide rod.

[0022] Figure 4 The utility model relates to a sealing assembly second visual angle structure diagram of sealing device for electrolytic aluminium guide rod.

[0023] Figure 5 The utility model relates to a first insulating plate structure diagram of sealing device for electrolytic aluminium guide rod.

[0024] Figure 6 The utility model relates to a second insulating plate structure diagram of sealing device for electrolytic aluminium guide rod.

[0025] Figure 7 The utility model relates to a high temperature resistant felt structure diagram of sealing device for electrolytic aluminium guide rod.

[0026] In the figure: 1, guide rod, 2, second insulating plate, 3, first insulating plate, 301, counterbore, 4, high temperature resistant felt, 5, clamping strip, 6, bolt, 601, nut, 602, screw rod, 7, limiting plate, 701, U-shaped groove, 702, clamping groove. DETAILED DESCRIPTION

[0027] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] As shown in the figure, Figures 1-7 A sealing device for electrolytic aluminium guide rod, including the limiting plate 7 of the position of guide rod 1, the sealing assembly of detachable arrangement on the limiting plate 7, the sealing assembly includes first insulating plate 3 and second insulating plate 2, and high temperature resistant felt 4 is arranged between first insulating plate 3 and second insulating plate 2, and first insulating plate 3 and second insulating plate 2 are detachably fixedly connected to be used for locking high temperature resistant felt 4, and high temperature resistant felt 4 is used to improve the sealing property of the contact area of guide rod 1 and limiting plate 7.

[0029] In the embodiment, as shown in the figure, Figure 1 There is a gap between guide rod 1 and limiting plate 7, when the sealing assembly is fixed on limiting plate 7, high temperature resistant felt 4 will contact guide rod 1 closely, thereby covering the gap between guide rod 1 and limiting plate 7, and then dust is avoided to enter the inside of equipment through the gap.

[0030] Among them, as shown in the figure, Figure 3 And Figure 4As shown, the limiting plate 7 is provided with a U-shaped slot 701, the guide rod 1 passes through the limiting plate 7 through the U-shaped slot 701, the first insulating plate 3, the second insulating plate 2 and the high-temperature-resistant felt 4 are all U-shaped, the U-shaped high-temperature-resistant felt 4 can fully contact the three sides of the guide rod 1, and, as shown, Figure 3 As shown, the inner side of the U-shaped high-temperature-resistant felt 4 extends into the space formed by the first insulating plate 3 and the second insulating plate 2, so that after the sealing assembly is fixed on the limiting plate 7, the high-temperature-resistant felt 4 is deformed due to being pressed by the guide rod 1, and then the high-temperature-resistant felt 4 is tightly attached to the guide rod 1, so as to avoid gaps between the high-temperature-resistant felt 4 and the guide rod 1, and the remaining one side of the guide rod 1 is in close contact with the sealing structure on the equipment, without the need for sealing treatment.

[0031] The first insulating plate 3 and the second insulating plate 2 are arranged in a U-shaped manner in cooperation with the high-temperature-resistant felt 4, which can improve the stability of clamping the high-temperature-resistant felt 4.

[0032] As shown, Figure 2 As shown, the top of the limiting plate 7 is provided with a clamping groove 702, as shown, Figure 3 and Figure 4 As shown, the first insulating plate 3 is fixed with a clamping strip 5, the clamping strip 5 and the clamping groove 702 are also U-shaped, after the clamping strip 5 is inserted into the clamping groove 702, the sealing assembly can be fixed on the limiting plate 7, and when the sealing assembly needs to be replaced, the clamping strip 5 can be pulled out of the clamping groove 702, so that the sealing assembly is removed from the guide rod 1, to facilitate personnel to replace.

[0033] As shown, Figures 3-6 The first insulating plate 3 and the second insulating plate 2 are connected by a plurality of bolts 6, the bolts 6 can be disassembled, when the bolts 6 are disassembled, the high-temperature-resistant felt 4 can be taken away from between the first insulating plate 3 and the second insulating plate 2, and a new high-temperature-resistant felt 4 is replaced, so that the entire sealing assembly does not need to be replaced, reducing the use cost.

[0034] The bolt 6 includes a screw rod 602 and a nut 601, the nut 601 is fixed on the top of the second insulating plate 2, the screw rod 602 is threadedly connected to the first insulating plate 3, and the screw rod 602 penetrates the high-temperature-resistant felt 4 and is threadedly connected with the nut 601, and the bottom of the first insulating plate 3 is provided with a countersunk hole 301 matched with the screw rod 602, the head of the screw rod 602 is located in the countersunk hole 301, so that when the clamping strip 5 is inserted into the clamping groove 702, the head of the screw rod 602 will not contact the limiting plate 7, avoiding affecting the connection stability of the sealing assembly and the limiting plate 7 due to the exposure of the head of the screw rod 602.

[0035] The working principle is that first, the high-temperature-resistant felt 4 is placed between the first insulation plate 3 and the second insulation plate 2, and the inner side of the high-temperature-resistant felt 4 is ensured to extend out of the space formed by the first insulation plate 3 and the second insulation plate 2, then the first insulation plate 3 and the second insulation plate 2 are connected and fixed by the bolt 6, so as to fix the high-temperature-resistant felt 4, next, the limiting plate 7 is fixed on the equipment, the U-shaped groove 701 is ensured to be aligned with the reserved slot on the equipment shell, so that the guide rod 1 passes through the U-shaped groove 701 and passes through the limiting plate 7, then the clamping strip 5 is inserted into the clamping groove 702, so as to fix the sealing assembly on the limiting plate 7, at this time, the high-temperature-resistant felt 4 is extruded and deformed due to the contact with the guide rod 1, so that the high-temperature-resistant felt 4 is tightly attached to the guide rod 1, so as to avoid the gap between the high-temperature-resistant felt 4 and the guide rod 1, and cover the gap formed by the guide rod 1 and the equipment shell, so as to avoid the dust entering the equipment through the gap.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrolytic aluminium conductor rod sealing device comprising a stop plate (7) which limits the position of the conductor rod (1), characterised in that: The limiting plate (7) is detachably provided with a sealing assembly, the sealing assembly comprises a first insulating plate (3) and a second insulating plate (2), a high-temperature-resistant felt (4) is arranged between the first insulating plate (3) and the second insulating plate (2), and the first insulating plate (3) and the second insulating plate (2) are detachably fixedly connected for locking the high-temperature-resistant felt (4); the high-temperature-resistant felt (4) is used for improving the sealing performance of the contact area between the guide rod (1) and the limiting plate (7).

2. An electrolytic aluminium conductor rod sealing device according to claim 1, characterised in that: A U-shaped groove (701) is formed in the limiting plate (7), and the guide rod (1) passes through the limiting plate (7) through the U-shaped groove (701).

3. An electrolytic aluminium conductor rod sealing device according to claim 1, characterised in that: The first insulating plate (3), the second insulating plate (2) and the high-temperature-resistant felt (4) are all U-shaped, the high-temperature-resistant felt (4) extends into the space formed by the first insulating plate (3) and the second insulating plate (2) on the inner side, and is used for contacting the guide rod (1).

4. An electrolytic aluminium conductor rod sealing device according to claim 1, characterised in that: A clamping groove (702) is formed in the top of the limiting plate (7), a clamping strip (5) is fixed on the first insulating plate (3), the clamping strip (5) is inserted into the clamping groove (702), and the sealing assembly is detachably fixed on the limiting plate (7) by means of the clamping strip (5).

5. An electrolytic aluminium conductor rod sealing device according to claim 1, characterised in that: The first insulating plate (3) and the second insulating plate (2) are connected through a plurality of bolts (6).

6. An electrolytic aluminium conductor rod sealing device according to claim 5, characterised in that: The bolt (6) comprises a screw rod (602) and a nut (601), the nut (601) is fixed on the top of the second insulating plate (2), the screw rod (602) is threadedly connected to the first insulating plate (3), and the screw rod (602) penetrates through the high-temperature-resistant felt (4) and is threadedly connected with the nut (601).

7. An electrolytic aluminium conductor rod sealing device according to claim 6, characterised in that: A countersunk hole (301) matched with the screw rod (602) is formed in the bottom of the first insulating plate (3), and the head of the screw rod (602) is located in the countersunk hole (301).

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