Fluidized bed distribution disc

Abstract

The utility model discloses a fluidized bed distribution plate, relates to the technical field of fluidized bed equipment, and mainly aims to provide a fluidized bed distribution plate capable of reducing silicon slag flushing time. According to the main technical scheme, the fluidized bed distribution disc comprises a disc body, and one to three mounting through holes are formed in the disc body; the plugging component comprises a base and a plug, the edge of the base is fixedly connected to the edge of the mounting through hole, a first through hole is formed in the base, and the plug is in threaded connection with the first through hole. The silicon slag cleaning device is mainly used for cleaning silicon slag.

Description

Technical Field

[0001] The utility model relates to the technical field of fluidized bed equipment, in particular to a fluidized bed distribution plate. Background Art

[0002] With the continuous development of China's industry, the fluidized bed is an important equipment in the cold hydrogenation production device in the polysilicon industry. A distribution plate is set on the fluidized bed. After each use, the fluidized bed needs to be inspected and the silicon slag on the distribution plate needs to be cleaned.

[0003] The existing distribution plate is provided with nozzles. At present, the cleaning and maintenance of the fluidized bed is mainly carried out by removing some nozzles on the distribution plate and then flushing the silicon slag out of the fluidized bed from the nozzle holes on the distribution plate. However, since the outer diameter of the nozzle on the distribution plate is 41.4 mm, the maximum diameter of the nozzle hole is also 41.4 mm. When flushing the silicon slag, the silicon slag will often block the nozzle hole, requiring personnel to clean the blocked nozzle hole multiple times and then flush it, which results in the time for flushing the silicon slag usually being 9 hours or longer. Utility Model Content

[0004] In view of this, an embodiment of the present invention provides a fluidized bed distribution plate, the main purpose of which is to provide a fluidized bed distribution plate that can reduce the time for flushing silicon slag.

[0005] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:

[0006] The present invention provides a fluidized bed distribution plate, comprising:

[0007] A disc body, wherein 1 to 3 mounting through holes are arranged on the disc body;

[0008] The blocking component includes a base and a plug, the edge of the base is fixedly connected to the edge of the mounting through hole, a first through hole is arranged on the base, and the plug is threadedly connected to the first through hole.

[0009] Furthermore, the edge of the mounting through hole has a first inclined surface, and the edge of the base has a second inclined surface, and the first inclined surface and the second inclined surface are in contact with each other.

[0010] Furthermore, the base includes a seat body, a connecting ring and a first internal thread, the connecting ring is arranged on the outer peripheral side of the seat body, the second inclined surface is arranged on the outer side of the connecting ring, and the first internal thread is arranged on the inner wall of the first through hole.

[0011] Furthermore, the longitudinal cross-section of the connecting ring is in the shape of a triangle.

[0012] Furthermore, the depth of the first internal thread is half of the depth of the first through hole.

[0013] Furthermore, the plug includes a connecting rod and a knob, and the knob is fixedly connected to the connecting rod.

[0014] Furthermore, a first external thread is provided on the side surface of the connecting rod, and a first interval is provided between the first external thread and the knob.

[0015] Furthermore, a sealing ring is provided at one end of the knob close to the first external thread.

[0016] Furthermore, the diameter of the mounting through hole is 150 mm, and the diameter of the first through hole is 100 mm.

[0017] Compared with the prior art, the utility model has the following technical effects:

[0018] In the technical solution provided by the embodiment of the utility model, the function of the disk body is to support the fluidized bed, and 1 to 3 mounting through holes are arranged on the disk body; the function of the blocking component is to block the mounting through holes, and the blocking component includes a base and a plug, the edge of the base is fixedly connected to the edge of the mounting through hole, a first through hole is arranged on the base, and the plug is threadedly connected to the first through hole. Compared with the prior art, a nozzle is arranged on the distribution disk. At present, the cleaning and maintenance of the fluidized bed is mainly carried out by removing some nozzles on the distribution disk, and then flushing the silicon slag out of the fluidized bed from the nozzle holes on the distribution disk. However, since the outer diameter of the nozzle on the distribution disk is 41.4 mm, the nozzle The maximum diameter of the nozzle hole is also 41.4mm. When flushing silicon slag, the silicon slag will often block the nozzle hole, requiring personnel to clean the blocked nozzle hole multiple times and then flush it, which results in the time for flushing the silicon slag usually being 9 hours or longer. In this technical solution, 1 to 3 mounting through holes are set on the disk body, and then the base is fixed to the edge of the mounting through hole. The diameter of the first through hole is 100mm, and then the plug is threadedly connected to the first through hole. When the silicon slag needs to be cleaned, the plug is opened to discharge the cleaned water and silicon slag from the first through hole. After cleaning, the plug is installed in the first through hole, thereby achieving the technical effect of quickly cleaning the silicon slag on the distribution disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of the first disk provided in the embodiment of the utility model;

[0020] Figure 2 A schematic diagram of the structure of a fluidized bed distribution plate provided in an embodiment of the utility model;

[0021] Figure 3A schematic diagram of the structure of a second disk provided in an embodiment of the utility model;

[0022] Figure 4 A schematic structural diagram of a third disk body provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] like Figures 1 to 4 As shown, the embodiment of the utility model provides a fluidized bed distribution plate, comprising:

[0025] A disk body 1, wherein the disk body 1 is provided with 1 to 3 mounting through holes 11;

[0026] The blocking component includes a base 21 and a plug. The edge of the base 21 is fixedly connected to the edge of the mounting through hole 11. A first through hole 23 is provided on the base 21. The plug is threadedly connected to the first through hole 23.

[0027] In the technical solution provided by the embodiment of the utility model, the function of the disk body 1 is to support the fluidized bed, and 1 to 3 mounting through holes 11 are arranged on the disk body 1; the function of the plugging component is to plug the mounting through hole 11, and the plugging component includes a base 21 and a plug, the edge of the base 21 is fixedly connected to the edge of the mounting through hole 11, a first through hole 23 is arranged on the base 21, and the plug is threadedly connected to the first through hole 23. Compared with the prior art, a nozzle is arranged on the distribution disk. At present, the cleaning and maintenance of the fluidized bed is mainly carried out by removing some nozzles on the distribution disk, and then flushing the silicon slag out of the fluidized bed from the nozzle holes on the distribution disk. However, since the outer diameter of the nozzle on the distribution disk is 41.4 mm, The maximum diameter of the nozzle hole is also 41.4mm. When flushing silicon slag, the silicon slag will often block the nozzle hole, and personnel are required to clean the blocked nozzle hole many times and then flush it, which results in the time for flushing the silicon slag usually being 9 hours or longer. In the present technical solution, 1 to 3 mounting through holes 11 are set on the disk body 1, and then the base 21 is fixed to the edge of the mounting through hole 11. The diameter of the first through hole 23 is 100mm, and then the plug is threadedly connected to the first through hole 23. When the silicon slag needs to be cleaned, the plug is opened to discharge the cleaned water and silicon slag from the first through hole 23. After cleaning, the plug is installed in the first through hole 23, thereby achieving the technical effect of quickly cleaning the silicon slag on the distribution disk.

[0028] The function of the above-mentioned disk body 1 is to support the fluidized bed. 1 to 3 mounting through holes 11 are arranged on the disk body 1. The diameter of the mounting through holes 11 is 150 mm. Since the center position of the disk body 1 is the lowest point, when there is one mounting through hole 11, the mounting through hole 11 is arranged at the center position of the disk body 1. When there are two mounting through holes 11, one of the mounting through holes 11 is arranged at the center position of the disk body 1, and the other is arranged at the edge position of the center position. When there are three mounting through holes 11, one of the mounting through holes 11 is arranged at the center position, and the other two mounting through holes 11 are arranged on both sides of the center position; the function of the blocking component is to block the mounting through hole 11. The blocking component includes a base 21 and a plug. The edge of the base 21 is fixedly connected to the edge of the mounting through hole 11. A first through hole 23 is arranged on the base 21. The plug is threadedly connected to the first through hole 23. The edge of the mounting through hole 11 is an inclined surface. Specifically, the edge of the mounting through hole 11 has a first inclined surface 12, and the edge of the base 21 has The second inclined surface 24, the first inclined surface 12 and the second inclined surface 24 are fitted with each other, so that the second inclined surface 24 is completely fitted with the first inclined surface 12, which is convenient for welding the base 21. Specifically, the first inclined surface 12 is set downward and the second inclined surface 24 is set upward. When welding, it is only necessary to weld the two ends of the first inclined surface 12, which is not only convenient for welding, but also easy to disassemble. The plug is connected to the base 21 by a threaded connection. When the silicon slag needs to be cleaned, the plug is unscrewed. After the cleaning is completed, the plug is installed in the first through hole 23. In this technical solution, by setting 1 to 3 mounting through holes 11 on the disk body 1, and then fixing the base 21 on the edge of the mounting through hole 11, the diameter of the first through hole 23 is 100mm, and then the plug is threadedly connected to the first through hole 23. When the silicon slag needs to be cleaned, the plug is opened to discharge the cleaned water and silicon slag from the first through hole 23. After the cleaning is completed, the plug is installed in the first through hole 23, thereby achieving the technical effect of quickly cleaning the silicon slag on the distribution disk.

[0029] Furthermore, the base 21 includes a seat body 211, a connecting ring 212 and a first internal thread 213, the connecting ring 212 is arranged on the outer peripheral side of the seat body 211, the second inclined surface 24 is arranged on the outer side of the connecting ring 212, and the first internal thread 213 is arranged on the inner wall of the first through hole 23. In this embodiment, the base 21 is further defined, the seat body 211 is cylindrical, the first through hole 23 is arranged at the center position of the seat body 211, and the first through hole 23 passes through the seat body 211, the connecting ring 212 is arranged on the outside of the seat body 211, the longitudinal cross-section shape of the connecting ring 212 is a triangle, the upper part of the connecting ring 212 is an acute angle, and the lower part is a right angle and an acute angle respectively, the connecting ring 212 and the seat body 211 are an integrally formed structure, the outer side surface of the connecting ring 212 is a second inclined surface 24, the first internal thread 213 is arranged on the inner wall of the first through hole 23, and the depth of the first internal thread 213 is half of the depth of the first through hole, so that the plug can be easily disassembled while ensuring connectivity.

[0030] Further, the plug includes a connecting rod 221 and a knob 223, and the knob 223 is fixedly connected to the connecting rod 221. In this embodiment, the plug is further defined, the upper part of the connecting rod 221 is fixedly connected to the knob 223, the side of the connecting rod 221 is provided with a first external thread 222, the first external thread 222 is connected to the first internal thread 213, and a first interval 224 is provided between the first external thread 222 and the knob 223, and optionally, a sealing ring is added, and the sealing ring is provided at one end of the knob 223 close to the first external thread 222, and is used to seal the gap between the connecting rod 221 and the first through hole 23, so as to achieve a sealing effect.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A fluidized bed distribution plate, characterized in that: include: A disc body, wherein 1 to 3 mounting through holes are arranged on the disc body; The blocking component includes a base and a plug, the edge of the base is fixedly connected to the edge of the mounting through hole, a first through hole is arranged on the base, and the plug is threadedly connected to the first through hole.

2. A fluidized bed distribution plate according to claim 1, characterized in that: The edge of the mounting through hole has a first inclined surface, and the edge of the base has a second inclined surface, and the first inclined surface and the second inclined surface are in contact with each other.

3. A fluidized bed distribution plate according to claim 2, characterized in that: The base includes a base body, a connecting ring and a first internal thread, wherein the connecting ring is arranged on the outer peripheral side surface of the base body, the second inclined surface is arranged on the outer side of the connecting ring, and the first internal thread is arranged on the inner wall of the first through hole.

4. A fluidized bed distribution plate according to claim 3, characterized in that: The longitudinal cross-section of the connecting ring is in the shape of a triangle.

5. The fluidized bed distribution plate according to claim 3, characterized in that: The depth of the first internal thread is half of the depth of the first through hole.

6. A fluidized bed distribution plate according to any one of claims 1 to 5, characterized in that: The plug includes a connecting rod and a knob, and the knob is fixedly connected to the connecting rod.

7. A fluidized bed distribution plate according to claim 6, characterized in that: A first external thread is disposed on the side surface of the connecting rod, and a first interval is provided between the first external thread and the knob.

8. The fluidized bed distribution plate according to claim 7, characterized in that: Also includes: A sealing ring is arranged at one end of the knob close to the first external thread.

9. A fluidized bed distribution plate according to any one of claims 1 to 5, characterized in that: The mounting through hole is arranged at the center of the disk body.

10. A fluidized bed distribution plate according to any one of claims 1 to 5, characterized in that: The diameter of the mounting through hole is 150 mm, and the diameter of the first through hole is 100 mm.

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