Discharging elbow, discharging pipe assembly and discharging crown block

Abstract

The utility model provides a baiting elbow, baiting pipe subassembly and baiting crown block relates to aluminium electrolysis technical field, the baiting elbow includes first pipe section, second pipe section and plug board, first pipe section vertical setting, first pipe section upward end is used for with baiting pipe intercommunication, first pipe section downward end is equipped with the plug board, and the second pipe section is used for with the baiting pipe intercommunication. An opening is formed in the circumferential side wall of the first pipe section, one end of the second pipe section is communicated with the opening, the other end of the second pipe section inclines downwards and forms a discharging port, a preset distance is formed between the opening and the blocking plate, and a material accumulating groove is formed in the lower end of the first pipe section. When blanking is just started, materials enter the first pipe section through the blanking pipe under the action of gravity and are accumulated in the material accumulation groove, and then the fallen materials enter the second pipe section from the opening after impacting the accumulated materials and are discharged to the electrolytic bath from the discharging opening of the second pipe section, so that charging of the electrolytic bath is realized. The impact force of the materials directly impacting the pipe wall of the discharging elbow is reduced through the accumulated materials in the material accumulation groove, and then abrasion to the discharging elbow is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum electrolysis, and in particular to a material discharge elbow, a material discharge pipe assembly and a material discharge crane. Background Art

[0002] During the production of electrolytic aluminum, electrolyte materials need to be added to the electrolytic cell at regular intervals. Specifically, the unloading crane has a unloading pipe. The unloading crane storing the electrolyte materials moves to the feeding position, opens the cover on one side of the electrolytic cell, and then the unloading elbow at one end of the unloading pipe is extended into the electrolytic cell to start feeding.

[0003] The discharge elbow usually includes a first tube and a second tube arranged at an angle to each other, and one end of the first tube is connected to one end of the second tube. Since the vertical height of the discharge pipe is generally more than ten meters, when the electrolyte material falls from a height of more than ten meters into the discharge elbow, a relatively large impact is generated on the tube wall at the bending part of the discharge elbow (the connection part between the first tube and the second tube), which accelerates the wear and aging of the discharge elbow. Powder dispersion and dust are prone to occur during feeding, which not only causes material waste and increases production costs, but also leads to a high concentration of surrounding dust, increasing the risk of lung disease. Utility Model Content

[0004] The utility model aims to solve the technical problem that the existing blanking elbow has fast wear and aging speed.

[0005] In the first aspect, the utility model provides a material discharge elbow, comprising a first pipe segment, a second pipe segment and a blocking plate, the first pipe segment is vertically arranged, the upward end of the first pipe segment is used to communicate with the material discharge pipe, the downward end of the first pipe segment is provided with the blocking plate, the circumferential side wall of the first pipe segment is provided with an opening, one end of the second pipe segment is connected with the opening, the other end of the second pipe segment is inclined downward to form a discharge port, there is a preset distance between the opening and the blocking plate, and a material accumulation trough is formed at the lower end of the first pipe segment.

[0006] Optionally, the first pipe section and the second pipe section are made of aluminum pipes or antimagnetic stainless steel pipes.

[0007] Optionally, the discharge elbow also includes a first flange and a connecting rod, the first flange is arranged at the upward end of the first pipe section, the discharge pipe is provided with a second flange corresponding to the first flange, and the connecting rod is used to pass through and connect the first flange and the second flange.

[0008] Optionally, the blanking elbow further includes an insulating plate, and the insulating plate is arranged between the first flange and the second flange.

[0009] Optionally, the blanking elbow further includes an insulating sleeve, and the insulating sleeve is sleeved on the connecting rod.

[0010] Optionally, the blocking plate is detachably connected to the first pipe section.

[0011] Optionally, the blanking elbow further includes a buffer mechanism, which includes a buffer plate and an elastic member, wherein the buffer plate is placed in the first pipe section, and the elastic member is arranged between the buffer plate and the blocking plate.

[0012] Optionally, a first reinforcing rib is provided between the first flange and the first pipe segment; and / or a second reinforcing rib is provided between the first pipe segment and the second pipe segment.

[0013] In a second aspect, the utility model provides a feed pipe assembly, comprising a feed pipe and the feed elbow mentioned above, wherein one end of the feed pipe is connected to the feed elbow.

[0014] In a third aspect, the utility model provides a material discharge crane, comprising the above-mentioned material discharge pipe assembly.

[0015] In the material discharge elbow of the utility model, the first pipe section below the opening can form a material accumulation trough between the blocking plate. When the material is just discharged, the material enters the first pipe section through the material discharge pipe under the action of gravity and accumulates in the material accumulation trough. After that, the falling material enters the second pipe section from the opening after impacting the accumulated material, and is discharged to the electrolytic cell from the discharge port of the second pipe section, thereby feeding the electrolytic cell. The accumulation of material in the material accumulation trough reduces the impact force of the material directly impacting the pipe wall of the material discharge elbow, thereby reducing the wear on the material discharge elbow, increasing the working stability and service life of the material discharge elbow, reducing powder waste and environmental pollution, and reducing production costs and the risk of lung disease. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the first structure of the blanking elbow of the utility model embodiment;

[0017] Figure 2 for Figure 1 A cross-sectional view of

[0018] Figure 3 for Figure 1 The schematic diagram of the installation structure between the feed elbow and the feed pipe shown;

[0019] Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0020] Figure 5 This is a schematic diagram of the second structure of the blanking elbow of the utility model embodiment;

[0021] Figure 6 This is a third structural schematic diagram of the blanking elbow according to an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. First pipe section; 11. Opening; 2. Second pipe section; 21. Discharge port; 3. Blocking plate; 4. First flange; 5. Second flange; 6. Insulating plate; 7. Buffer mechanism; 71. Buffer plate; 72. Elastic member; 8. First reinforcing rib; 9. Second reinforcing rib; 10. Feed pipe. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "matched" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In addition, it should be noted that in the description of the present invention, it should be noted that the terminology nouns in the various embodiments, such as "upper", "lower", "front", "back" and other words indicating directions, are only for simplifying the description of the positional relationship based on the drawings in the specification, and do not mean that the components and devices referred to must be operated in accordance with the specific directions and specified operations and methods and structures in the specification. Such directional nouns do not constitute a limitation on the present invention.

[0027] In this article, a YZ coordinate system is established, in which the positive direction of the Y axis represents the left, the negative direction of the Y axis represents the right, the positive direction of the Z axis represents the top, and the negative direction of the Z axis represents the bottom. It should also be noted that the aforementioned Y axis and Z axis are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0028] like Figure 1-2 5-6, a material discharge elbow according to an embodiment of the utility model comprises a first pipe section 1, a second pipe section 2 and a plugging plate 3, wherein the first pipe section 1 is vertically arranged, and an upward end of the first pipe section 1 is used for connecting with a material discharge pipe 10 (such as Figure 3The first pipe segment 1 is connected to the second pipe segment 2 as shown in the figure, the blocking plate 3 is provided at the downward end of the first pipe segment 1, the circumferential side wall of the first pipe segment 1 is provided with an opening 11, one end of the second pipe segment 2 is connected to the opening 11, the other end of the second pipe segment 2 is inclined downward and forms a discharge port 21, there is a preset distance between the opening 11 and the blocking plate 3, and a material accumulation trough is formed at the lower end of the first pipe segment 1.

[0029] Specifically, the first pipe segment 1 is arranged along the direction shown by the Z axis, and can also be inclined relative to the Z axis. The upper and lower ends of the first pipe segment 1 are open, and a plugging plate 3 is provided on the open portion of the lower end of the first pipe segment 1. The plugging plate 3 and the first pipe segment 1 can be detachably connected or welded to close the lower end of the first pipe segment 1. The second pipe segment 2 is arranged on one side of the first pipe segment 1. Exemplarily, the second pipe segment 2 can be inclined from the upper left to the lower right, and an opening 11 can be provided on the circumferential side wall of one end of the first pipe segment 1 close to the plugging plate 3. The upper left end of the second pipe segment 2 is connected to the opening 11 on the first pipe segment 1, and the first pipe segment 1 and the second pipe segment 2 can be welded to improve the connection strength.

[0030] The diameters of the first pipe section 1 and the second pipe section 2 can be the same, and the angle between the second pipe section 2 and the first pipe section 1 can be 45°, 60°, etc. The preset distance between the opening 11 of the first pipe section 1 and the lower end surface of the first pipe section 1 can be 6 cm, 8 cm, etc.

[0031] In this embodiment, the first pipe section 1 below the opening 11 and the blocking plate 3 can form a material accumulation trough. When the material is first dropped, the material enters the first pipe section 1 of the material discharge elbow through the material discharge pipe 10 under the action of gravity and accumulates in the material accumulation trough. After that, the falling material enters the second pipe section 2 from the opening 11 after impacting the accumulated material, and is discharged to the electrolytic cell from the discharge port 21 of the second pipe section 2, thereby feeding the electrolytic cell. The accumulation of material in the material accumulation trough reduces the impact force of the material directly impacting the wall of the material discharge elbow, thereby reducing the wear of the material discharge elbow, increasing the working stability and service life of the material discharge elbow, reducing powder waste and environmental pollution, and reducing production costs and the risk of lung disease.

[0032] Optionally, the first pipe section 1 and the second pipe section 2 are made of aluminum tubes or antimagnetic stainless steel tubes.

[0033] Specifically, the first pipe section 1 and the second pipe section 2 may both be made of aluminum pipes, or may both be made of anti-magnetic stainless steel pipes.

[0034] On the one hand, compared with the existing fluororubber elbows, they are stronger, more wear-resistant and have a longer service life. On the other hand, the aluminum tube and anti-magnetic stainless steel tube are anti-magnetic and will not be magnetically adsorbed by the high-strength magnetic field in the electrolytic cell, making them more convenient to use.

[0035] like Figure 1 , 2As shown in Figures 4-6, optionally, the discharge elbow also includes a first flange 4 and a connecting rod (not shown in the figure), the first flange 4 is arranged at the upward end of the first pipe section 1, and the discharge pipe 10 is provided with a second flange 5 corresponding to the first flange 4, and the connecting rod is used to pass through the first flange 4 and the second flange 5.

[0036] Specifically, the first flange 4 and the second flange 5 can both be annular, the first flange 4 can be welded and fixed to the upper end of the first pipe section 1, the second flange 5 can be welded and fixed to the lower end of the feeding pipe 10, the first flange 4 and the second flange 5 are arranged correspondingly at the upper and lower parts, a plurality of first connecting holes can be arranged at intervals in the circumference of the first flange 4, a plurality of second connecting holes can be arranged at intervals in the circumference of the second flange 5, the second connecting holes are arranged one by one in correspondence with the first connecting holes, the first connecting hole and the second connecting hole can be threaded holes, and the connecting rod can be a screw.

[0037] In this embodiment, a screw is used to pass through the corresponding first connecting hole and the second connecting hole to achieve a fastening connection between the first flange 4 and the second flange 5, that is, to achieve a fixed connection between the discharge pipe and the discharge elbow, which is simple and convenient to disassemble and assemble.

[0038] like Figure 4 As shown, optionally, the blanking elbow further includes an insulating plate 6 , and the insulating plate 6 is disposed between the first flange 4 and the second flange 5 .

[0039] Specifically, the insulating plate 6 may be an annular plate made of insulating material, and the inner diameter of the insulating plate 6 may be larger than the inner diameters of the first flange 4 and the second flange 5. The material dropped from the feeding pipe 10 passes through the second flange 5, the insulating plate 6 and the first flange 4 in sequence downward, and enters the first pipe section 1. In some embodiments, the connecting rod may pass through the first flange 4, the insulating plate 6 and the second flange 5 in sequence. In other embodiments, the connecting rod may only pass through the first flange 4 and the second flange 5.

[0040] In this embodiment, since the discharge elbow needs to be extended into the electrolytic cell for discharge, and there is a relatively high current and voltage in the electrolytic cell, an insulating plate 6 is provided between the first flange 4 of the discharge elbow and the second flange 5 of the discharge pipe 10 to achieve insulation between the first flange 4 and the second flange 5, thereby effectively preventing the electricity in the electrolytic cell from being conducted to the discharge pipe and other parts of the discharge crane through the discharge elbow.

[0041] Optionally, the blanking elbow further includes an insulating sleeve, and the insulating sleeve is sleeved on the connecting rod.

[0042] In this embodiment, an insulating sleeve is provided on the connecting rod to avoid electrical connection between the discharge elbow and the discharge pipe through the connecting rod, which can further prevent the electricity on the discharge elbow from being conducted to the discharge pipe, thereby improving the operating safety of the discharge crane.

[0043] like Figure 6 As shown, optionally, the blocking plate 3 is detachably connected to the first pipe section 1 .

[0044] Specifically, the plugging plate 3 and the first pipe section 1 can be detachably connected by riveting, clamping or screwing. For example, when screwing, the lower end surface of the first pipe section 1 is radially extended to form a connecting plate, the plugging plate 3 fits the connecting plate, and bolts are passed through the plugging plate 3 and the connecting plate to achieve connection between the plugging plate 3 and the first pipe section 1.

[0045] In this embodiment, the blocking plate 3 is arranged to be detachably connected. After the material discharge elbow has been used for a period of time, the blocking plate 3 can be removed to facilitate the cleaning of accumulated materials and avoid affecting the material buffering effect.

[0046] like Figure 6 As shown, optionally, the blanking elbow also includes a buffer mechanism 7, and the buffer mechanism 7 includes a buffer plate 71 and an elastic member 72, the buffer plate 71 is placed in the first pipe section 1 and below the opening 11, and the elastic member 72 is arranged between the buffer plate 71 and the blocking plate 3.

[0047] Specifically, the buffer plate 71 can be a circular plate, the buffer plate 71 matches the inner diameter of the first pipe section 1, the buffer plate 71 can move up and down relative to the first pipe section 1, the elastic member 72 can be a compression spring, one end of the elastic member 72 is connected to the buffer plate 71, and the other end of the elastic member 72 is connected to the blocking plate 3.

[0048] In this embodiment, when the falling material impacts the buffer plate 71, the elastic member 72 is compressed downward, and then the elastic member 72 is reset, and the buffered material enters the second pipe section 2 from the opening 11 of the first pipe section 1 and is discharged from the discharge port 21. The buffer mechanism is used to further enhance the buffering effect of the falling material and protect the discharge elbow from wear.

[0049] like Figure 5 As shown, optionally, a first reinforcing rib 8 is provided between the first flange 4 and the first pipe section 1 ; and / or a second reinforcing rib 9 is provided between the first pipe section 1 and the second pipe section 2 .

[0050] Specifically, the first reinforcing rib 8 may be a triangular rib plate, and a plurality of first reinforcing ribs 8 may be arranged at circumferential intervals on the first flange 4. Furthermore, the first reinforcing ribs 8 may be alternately arranged with the first connecting holes, and the first reinforcing ribs 8 may be welded and connected to the circumferential side wall of the first pipe section 1 and the first flange 4. The connection rigidity between the first pipe section 1 and the first flange 4 is improved by means of a plurality of first reinforcing ribs 8, thereby extending the service life of the blanking elbow.

[0051] The second reinforcing rib 9 can be a long strip rib plate, and multiple second reinforcing ribs 9 can be arranged at intervals in the circumferential direction of the second pipe section 2. The lengths of the second reinforcing ribs 9 can be different. One end of the second reinforcing rib 9 is welded to the second pipe section 2, and the other end is welded and fixed to the first pipe section 1. The multiple second reinforcing ribs 9 are used to improve the connection rigidity between the first pipe section 1 and the second pipe section 2, thereby extending the service life of the blanking elbow.

[0052] like Figure 3 As shown, another embodiment of the utility model provides a feed pipe assembly, including a feed pipe 10 and the feed elbow, one end of the feed pipe 10 is connected to the feed elbow. The advantages of the feed pipe over the prior art are the same as those of the feed elbow, and will not be repeated.

[0053] Another embodiment of the present invention provides a material unloading crane, comprising the above-mentioned material unloading pipe assembly. The advantages of the material unloading crane compared with the prior art are the same as those of the above-mentioned material unloading pipe assembly, and will not be described again.

[0054] Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A blanking elbow, characterized in that: The invention comprises a first pipe section (1), a second pipe section (2) and a plugging plate (3), wherein the first pipe section (1) is arranged vertically, the upward end of the first pipe section (1) is used to communicate with a feed pipe (10), the downward end of the first pipe section (1) is provided with the plugging plate (3), the circumferential side wall of the first pipe section (1) is provided with an opening (11), one end of the second pipe section (2) is communicated with the opening (11), the other end of the second pipe section (2) is inclined downward to form a discharge port (21), a preset distance is provided between the opening (11) and the plugging plate (3), and a material accumulation trough is formed at the lower end of the first pipe section (1).

2. The blanking elbow according to claim 1, characterized in that: The first pipe section (1) and the second pipe section (2) are made of aluminum tubes or anti-magnetic stainless steel tubes.

3. The blanking elbow according to claim 1, characterized in that: It also includes a first flange (4) and a connecting rod, wherein the first flange (4) is arranged at the upward end of the first pipe section (1), and the discharge pipe (10) is provided with a second flange (5) corresponding to the first flange (4), and the connecting rod is used to pass through and connect the first flange (4) and the second flange (5).

4. The blanking elbow according to claim 3, characterized in that: It also includes an insulating plate (6), wherein the insulating plate (6) is arranged between the first flange (4) and the second flange (5).

5. The blanking elbow according to claim 3, characterized in that: It also includes an insulating sleeve, which is sleeved on the connecting rod.

6. The blanking elbow according to claim 1, characterized in that: The blocking plate (3) is detachably connected to the first pipe section (1).

7. The blanking elbow according to claim 1, characterized in that: It also includes a buffer mechanism (7), the buffer mechanism (7) including a buffer plate (71) and an elastic member (72), the buffer plate (71) being disposed in the first pipe section (1) and below the opening (11), and the elastic member (72) being disposed between the buffer plate (71) and the blocking plate (3).

8. The blanking elbow according to claim 3, characterized in that: A first reinforcing rib (8) is provided between the first flange (4) and the first pipe section (1); and / or a second reinforcing rib (9) is provided between the first pipe section (1) and the second pipe section (2).

9. A feed pipe assembly, characterized in that: It comprises a feed pipe (10) and a feed elbow as described in any one of claims 1 to 8, wherein one end of the feed pipe (10) is connected to the feed elbow.

10. A material unloading crane, characterized in that: Comprising the down pipe assembly as described in claim 9.

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