Downcomer

Abstract

The utility model discloses a downcomer, which belongs to the technical field of downcomers and comprises a downcomer body, the upper side of the downcomer body is fixedly connected with a first fixing plate, and the lower side of the first fixing plate is fixedly connected with a plurality of second fixing plates. The end, away from the winding shaft, of the connecting belt is connected with a limiting frame in sliding connection with the downcomer body, a sliding groove is formed in the side edge of the downcomer body, a sliding block is fixedly connected to the side edge of the limiting frame, and a second motor is fixedly connected to the lower side of the limiting frame. A connecting belt is driven to be wound, a limiting frame and a second motor are driven to move up and down, the second motor is started to drive a rotating shaft to rotate, a first connecting plate is driven to rotate, a scraping plate is driven to rotate, impurities on the inner wall of the downcomer body are cleaned, and meanwhile the second connecting plate rotates to drive a first cleaning brush to rotate; and the inner wall of the downcomer body is cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of downcomers, in particular to a downcomer. Background Art

[0002] The development and production of the chemical industry are inseparable from the continuous development and progress of towers and their internal components. Tower internals play a vital role, especially in the separation efficiency of the tower and the control of tower pressure drop. Therefore, the form and structure of tower internals are also the focus of research.

[0003] After long-term use, impurities will remain on the inner wall of the current downcomer. When the downcomer is used again, the impurities will contaminate the liquid and affect the quality of the finished product.

[0004] For example, a new type of downcomer in a prior art Chinese patent document (application announcement number CN216136713U) increases the opening rate of the tower plate by setting a match with the tower plate, increases the contact area between the gas and liquid phases, further improves the mass transfer efficiency, and improves the processing capacity of the tower. However, this prior art has the following problem: after long-term use, impurities will remain on the inner wall of the downcomer, and when it is used again, the impurities will contaminate the liquid, affecting the quality of the finished product.

[0005] Therefore, in view of this situation, it is urgent to design and produce a downcomer to meet the needs of practical use. Utility Model Content

[0006] The utility model aims to provide a downcomer to solve the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a downcomer, comprising a downcomer body, a first fixed plate fixedly connected to the upper side of the downcomer body, a plurality of second fixed plates fixedly connected to the lower side of the first fixed plate, a first motor installed on the side of the second fixed plate, an output end of the first motor fixedly connected to a winding shaft passing through the second fixed plate, a plurality of connecting belts connected to the side of the winding shaft, an end of the connecting belt away from the winding shaft is connected to a limit frame slidably connected to the downcomer body, a sliding groove is provided on the side of the downcomer body, a sliding block is fixedly connected to the side of the limit frame, and a second motor is fixedly connected to the lower side of the limit frame.

[0008] Preferably, the output end of the second motor is fixedly connected to a rotating shaft, and the side of the rotating shaft is fixedly connected to a second connecting plate.

[0009] Preferably, the end of the second connecting plate away from the rotating shaft is fixedly connected to the first placing plate, and the side of the first placing plate away from the second connecting plate is installed with a first cleaning brush.

[0010] Preferably, a plurality of first connecting plates are installed on the side of the rotating shaft, and a scraper is fixedly connected to one end of the first connecting plate away from the rotating shaft.

[0011] Preferably, a filter plate slidably connected to the downcomer body is rotatably connected to the end of the rotating shaft, and a second placement plate is fixedly connected to the side of the rotating shaft.

[0012] Preferably, a second cleaning brush is installed on the lower side of the second placement plate, and a third motor is installed on the side of the second placement plate.

[0013] Preferably, the output end of the third motor is fixedly connected with a threaded rod, and the side of the threaded rod is screwed with a moving block.

[0014] Preferably, a third cleaning brush is installed on the lower side of the moving block.

[0015] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0016] The downcomer is driven by a first motor to rotate the winding shaft, drive the connecting belt to be wound, drive the limit frame and the second motor to move up and down, start the second motor to rotate the rotating shaft, drive the first connecting plate to rotate, drive the scraper to rotate, so as to clean the impurities on the inner wall of the downcomer body. At the same time, the second connecting plate rotates, driving the first cleaning brush to rotate, so as to clean the inner wall of the downcomer body, which can avoid excessive impurities accumulating on the inner wall of the downcomer body and causing reduced product quality.

[0017] The downcomer blocks impurities through the filter plate, drives the second placement plate to rotate through the rotation of the rotating shaft, drives the second cleaning brush to rotate through the rotation of the second placement plate, thereby cleaning the filter plate, and drives the threaded rod to rotate through the third accumulation, drives the moving block and the third cleaning brush to move, thereby facilitating the collection of impurities on the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the rotating shaft of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the second placement plate of the utility model.

[0022] Description of reference numerals:

[0023] In the figure: 1. downcomer body; 2. first fixed plate; 3. second fixed plate; 4. first motor; 5. take-up shaft; 6. connecting belt; 7. sliding groove; 8. limiting frame; 9. sliding block; 10. second motor; 11. rotating shaft; 12. first connecting plate; 13. second connecting plate; 14. first placement plate; 15. first cleaning brush; 16. scraper; 17. filter plate; 18. second placement plate; 19. second cleaning brush; 20. third motor; 21. threaded rod; 22. moving block; 23. third cleaning brush. DETAILED DESCRIPTION

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0025] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0026] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0027] In order to solve the problem that after long-term use, impurities will remain on the inner wall of the downcomer, and the impurities will contaminate the liquid when it is used again, affecting the quality of the finished product, such as Figures 1 to 3A downcomer shown in the figure comprises a downcomer body 1, a first fixing plate 2 is fixedly connected to the upper side of the downcomer body 1, a plurality of second fixing plates 3 are fixedly connected to the lower side of the first fixing plate 2, a first motor 4 is installed on the side of the second fixing plate 3, a winding shaft 5 which passes through the second fixing plate 3 is fixedly connected to the output end of the first motor 4, one end of the winding shaft 5 is fixedly connected to the output end of the first motor 4, and the other end is rotatably connected to the side of the second fixing plate 3, a plurality of connecting belts 6 are connected to the side of the winding shaft 5, and a limit frame 8 which is slidably connected to the downcomer body 1 is connected to the end of the connecting belt 6 away from the winding shaft 5, and the limit frame 8 is cross-shaped, a sliding groove 7 is provided on the side of the downcomer body 1, and the downcomer body 1 is provided with four sliding grooves. The movable groove 7 and the side of the limit frame 8 are fixedly connected with a sliding block 9, the lower side of the limit frame 8 is fixedly connected with a second motor 10, the output end of the second motor 10 is fixedly connected with a rotating shaft 11, and a rotating disk is arranged on the lower side of the rotating shaft 11, which is convenient for rotational connection with the filter plate 17, the side of the rotating shaft 11 is fixedly connected with a second connecting plate 13, the end of the second connecting plate 13 away from the rotating shaft 11 is fixedly connected with a first placing plate 14, and a first cleaning brush 15 is installed on the side of the first placing plate 14 away from the second connecting plate 13, and a plurality of first connecting plates 12 are installed on the side of the rotating shaft 11, and a scraper 16 is fixedly connected to the end of the first connecting plate 12 away from the rotating shaft 11, and the cross-section of the scraper 16 is L-shaped.

[0028] The end of the rotating shaft 11 is rotatably connected to a filter plate 17 that is slidably connected to the downcomer body 1. A sliding block 9 is provided on the side of the filter plate 17 to be slidably connected to the downcomer body 1. The sliding block 9 provides a limit for the filter plate 17. A second placement plate 18 is fixedly connected to the side of the rotating shaft 11. A groove is provided on the side of the second placement plate 18. A third motor 20 is provided in the groove. A second cleaning brush 19 is installed on the lower side of the second placement plate 18. A third motor 20 is installed on the side of the second placement plate 18. A threaded rod 21 is fixedly connected to the output end of the third motor 20. A moving block 22 is screwed on the side of the threaded rod 21. The moving block 22 is provided with a threaded hole, and a third cleaning brush 23 is installed on the lower side of the moving block 22.

[0029] All structures and instruments are heat-resistant and waterproof.

[0030] The first motor 4, the second motor 10 and the third motor 20 are all conventional instruments. Their working principles, sizes and models are irrelevant to the functions of the present application, so they will not be described in detail. They are all controlled by remote control switches. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present utility model is mainly used to protect mechanical devices, so the present utility model will no longer explain the control method and circuit connection in detail.

[0031] How it works

[0032] During use of the downcomer, the first stacking device 4 is started to drive the winding shaft 5 to rotate, and the rotation of the winding shaft 5 drives the connecting belt 6 to be wound, and the winding of the connecting belt 6 drives the limiting frame 8 and the rotating shaft 11 to move up and down, and the filter plate 17 is driven to move up and down by the up and down movement of the rotating shaft 11, and the second motor 10 is started to drive the rotating shaft 11 to rotate, and the first connecting plate 12 and the second connecting plate 13 are driven to rotate by the rotation of the rotating shaft 11, and the scraper 16 is driven to rotate by the rotation of the first connecting plate 12, and at the same time, the second connecting plate 13 rotates to drive the first cleaning brush 15 to rotate, and the second placement plate 18 is driven to rotate by the rotation of the rotating shaft 11 to clean the filter plate 17, and the third motor 20 is started to drive the threaded rod 21 to rotate, and the moving block 22 is driven to move by the rotation of the threaded rod 21, and the third cleaning brush 23 is driven to move by the movement of the moving block 22 to clean the filter plate 17.

[0033] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0034] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A downcomer, comprising a downcomer body (1), characterized in that: The upper side of the downcomer body (1) is fixedly connected to a first fixed plate (2), the lower side of the first fixed plate (2) is fixedly connected to a plurality of second fixed plates (3), the side of the second fixed plate (3) is installed with a first motor (4), the output end of the first motor (4) is fixedly connected to a winding shaft (5) penetrating the second fixed plate (3), the side of the winding shaft (5) is connected to a plurality of connecting belts (6), the end of the connecting belt (6) away from the winding shaft (5) is connected to a limit frame (8) slidably connected to the downcomer body (1), a sliding groove (7) is provided on the side of the downcomer body (1), a sliding block (9) is fixedly connected to the side of the limit frame (8), and the lower side of the limit frame (8) is fixedly connected to a second motor (10).

2. A downcomer according to claim 1, characterized in that: The output end of the second motor (10) is fixedly connected to a rotating shaft (11), and the side of the rotating shaft (11) is fixedly connected to a second connecting plate (13).

3. A downcomer according to claim 2, characterized in that: The end of the second connecting plate (13) away from the rotating shaft (11) is fixedly connected to the first placement plate (14), and the side of the first placement plate (14) away from the second connecting plate (13) is installed with a first cleaning brush (15).

4. A downcomer according to claim 3, characterized in that: A plurality of first connecting plates (12) are installed on the side of the rotating shaft (11), and a scraper (16) is fixedly connected to one end of the first connecting plate (12) away from the rotating shaft (11).

5. A downcomer according to claim 4, characterized in that: The end of the rotating shaft (11) is rotatably connected to a filter plate (17) that is slidably connected to the downcomer body (1), and the side of the rotating shaft (11) is fixedly connected to a second placement plate (18).

6. A downcomer according to claim 5, characterized in that: A second cleaning brush (19) is installed on the lower side of the second placement plate (18), and a third motor (20) is installed on the side of the second placement plate (18).

7. A downcomer according to claim 6, characterized in that: The output end of the third motor (20) is fixedly connected to a threaded rod (21), and a moving block (22) is screwed to the side of the threaded rod (21).

8. A downcomer according to claim 7, characterized in that: A third cleaning brush (23) is installed on the lower side of the moving block (22).

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