Filtering and deslagging device of petrochemical vacuum tower

Abstract

A front opening and a rear opening which are opposite front and back are formed in a tower body of the vacuum tower, the front opening and the rear opening are communicated with the interior of the vacuum tower, a filtering tower plate in the tower body of the vacuum tower corresponds to the front opening and the rear opening, a front cover is arranged at the position of the front opening, and a rear cover is arranged at the position of the rear opening. A discharging pipe is arranged at the position of the rear opening, a sealing assembly and a residue pushing mechanism are arranged on the tower body of the vacuum tower, the sealing assembly is used for sealing the front opening and the rear opening, and the residue pushing assembly is used for removing filter residues on the filtering tower plate. According to the utility model, the cleaning efficiency of filter residues on the filter tower plate of the vacuum tower is improved, and the filter residues can be cleaned at any time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the pressure reduction tower equipment technical field especially relates to a petrochemical pressure reduction tower filtration discharging residue device. BACKGROUND

[0002] In the operation process of the pressure reduction tower, with the lapse of time, some solid impurities, coking substances and the like will gradually accumulate in the tower. If these substances are not discharged in time, they will adhere to the tower plate, the packing, the pipeline and the like in the tower, resulting in a narrowed passage or even a blocked passage. For example, in the process of petroleum refining, the crude oil treated by the pressure reduction tower contains a certain amount of gum, asphaltene and the like, and after high-temperature and pressure reduction operation, these impurities are prone to coking in the tower, blocking the openings on the tower plate, affecting the gas-liquid mass transfer and heat transfer efficiency, and further affecting the normal operation of the pressure reduction tower. In the prior art, the impurities are cleaned when the pressure reduction tower is stopped for maintenance, and the maintenance personnel enter the tower to manually shovel and clean the impurities on the tower plate, the tower wall, the downcomer and the like by using professional tools (such as a shovel, a brush and the like). This cleaning can only be performed periodically, and the cleaning efficiency for the impurities that have not been cleaned for a long time is low. SUMMARY

[0003] The utility model discloses a petrochemical pressure reduction tower filtration discharging residue device, which can improve the cleaning efficiency of the filter residue on the tower plate of the pressure reduction tower and can be operated at any time.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a petrochemical pressure reduction tower filtration discharging residue device, the tower body of pressure reduction tower is set up with the front opening and rear opening opposite to each other, the front opening and rear opening are communicated with the inside of pressure reduction tower, the filter tower plate in the inside of the tower body of pressure reduction tower corresponds with the front opening and rear opening, its characterized in that the front opening position is provided with the front cover, the rear opening position is provided with the discharge pipe, still include the sealing mechanism and the push residue mechanism of setting up on the tower body of pressure reduction tower, the sealing mechanism is used to block the front opening and rear opening, the push residue mechanism is used to remove the filter residue on the filter tower plate, the push residue mechanism includes the push rod and the push assembly, the push rod is connected with the push assembly, the push assembly slides between the front opening and the rear opening, the push assembly includes the fixed push plate and two telescopic push plates, two telescopic push plates are slidably arranged on the fixed push plate, two telescopic push plates are symmetrical about the fixed push plate, the push rod is rotatably arranged on the fixed push plate.

[0005] As a further description of the above technical solution: the sealing mechanism comprises a front arc plate, a rear arc plate and an opening and closing driving assembly, the opening and closing driving assembly is used for simultaneously driving the front arc plate and the rear arc plate to move, the front arc plate and the rear arc plate are matched with the outer wall of the tower body, a first sliding hole corresponding to the front arc plate is formed on the front cover, a second sliding hole corresponding to the rear arc plate is formed on the discharge pipe, the opening and closing driving assembly comprises a first connecting plate, a second connecting plate, a rack, a gear and a connecting ring, the first connecting plate is vertically arranged and fixedly connected with the front arc plate, the first connecting plate is arranged to slide up and down on the tower body, the second connecting plate is vertically arranged and fixedly connected with the rear arc plate, the second connecting plate is arranged to slide up and down on the tower body, the connecting ring is slidably sleeved on the tower body, the connecting ring is fixedly connected with the upper end of the first connecting plate, the connecting ring is fixedly connected with the upper end of the second connecting plate, the rack is fixedly arranged on the second connecting plate, the tower body is provided with a mounting seat, the gear is rotatably arranged on the mounting seat, the mounting seat is provided with a servo motor, the servo motor is used for driving the gear to rotate, and the gear is engaged with the rack.

[0006] As a further description of the above technical solution: the fixed push plate rear surface is provided with a square tube, a guide hole is formed in the square tube, a guide rod is fixedly arranged in the square tube, a sliding block is fixedly arranged on the telescopic push plate, the sliding block slides in the square tube, the sliding block is slidably sleeved on the guide rod, a spring is arranged between the sliding blocks on the two telescopic push plates, the spring is sleeved on the guide rod, and the push rod is rotatably arranged on the square tube.

[0007] As a further description of the above technical solution: the telescopic push plate end is provided with an auxiliary wheel.

[0008] As a further description of the above technical solution: the push rod is a hollow rectangular tube, a turnover assembly is arranged in the rectangular tube, the turnover assembly is used for driving the pushing assembly to rotate, the turnover assembly comprises a rotating seat and a driving rod, the rotating seat is rotatably arranged on the square tube, a connecting seat is rotatably arranged on the rotating seat, the driving rod rotates on the connecting seat, a first limiting plate is arranged at the end of the push rod away from the square tube, a waist-shaped adjusting groove is formed in the first limiting plate, a rotating handle is arranged at the end of the driving rod away from the square tube, a limiting column corresponding to the adjusting groove is further arranged on the driving rod, and a anti-falling plate is arranged on the push rod.

[0009] As a further description of the above technical solution: the tower body is further provided with a discharge funnel corresponding to the discharge pipe, and a receiving box is arranged below the discharge funnel.

[0010] As a further description of the above technical solution: the fixed push plate and the telescopic push plate are both detachably provided with a steel wire brush below.

[0011] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0012] The utility model discloses, (1) when the filter residue on the filter tray is cleaned, do not have to enter the tower body inside, and the cleaning efficiency is high, when finishing cleaning or the pressure reduction tower normal work, the front arc plate and rear arc plate can be sealed to the front opening and rear opening well, do not affect normal work.

[0013] (2) fixed push plate and telescopic push plate can be self -adaptation adjustment total length, therefore push material subassembly can clean all areas on the filter tray surface, and the steel wire brush below fixed push plate and telescopic push plate can be more fully to the gap of filter tray complete cleaning.

[0014] (3) through the setting of turnover subassembly can not be on the filter tray surface in the process of resetting push material subassembly scraping, avoid pushing waste residue to the front opening. DRAWINGS

[0015] Figure 1 It is the side view of the utility model, and part is in the form of section view;

[0016] Figure 2 It is the local three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is another angle three-dimensional structure schematic diagram of the local of the utility model;

[0018] Figure 4 It is the three-dimensional structure schematic diagram of the push residue mechanism of the utility model;

[0019] Figure 5 It is the section view of the push residue mechanism of the utility model;

[0020] Figure 6 It is another angle section view of the push residue mechanism of the utility model.

[0021] Legend: 1, tower body;2, front opening;3, rear opening;4, front cover;5, discharge pipe;6, discharge hopper;7, receiving box;8, front arc plate;9, rear arc plate;10, first sliding hole;11, second sliding hole;12, first connecting plate;13, second connecting plate;14, rack;15, gear;16, connecting ring;17, rotating seat;18, push rod;19, fixed push plate;20, telescopic push plate;21, auxiliary wheel;22, square tube;23, guide hole;24, guide rod;25, sliding block;26, spring;27, drive rod;28, connecting seat;29, first limit plate;30, waist type adjusting groove;31, rotating handle;32, limit column;33, anti -drop board;34, mounting seat;35, servo motor. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0023] Please refer to Figures 1-6 The utility model provides a kind of petrochemical decompression tower filtration slag discharge device technical scheme:

[0024] A kind of petrochemical decompression tower filtration slag discharge device, front and rear opposite front opening 2 and rear opening 3 are set on the tower body 1 of decompression tower, front opening 2 and rear opening 3 are communicated with the inside of decompression tower, the filter tray in the tower body 1 of decompression tower corresponds with front opening 2, rear opening 3, the lower edge of front opening 2 and rear opening 3 is flush with the upper surface of filter tray, front cover 4 is arranged at the position of front opening 2, discharge pipe 5 is arranged at the position of rear opening 3, tower body 1 is further provided with the discharge hopper 6 corresponding with the discharge pipe 5, discharge hopper 6 is provided with receiving tank 7 below.

[0025] The tower body 1 of decompression tower is provided with sealing mechanism and push slag mechanism, the sealing mechanism is used to block front opening 2 and rear opening 3, and the push slag mechanism is used to remove filter residue on filter tray.

[0026] Sealing mechanism includes front arc plate 8, rear arc plate 9 and opening and closing drive assembly, opening and closing drive assembly is used to drive front arc plate 8 and rear arc plate 9 to move simultaneously, front arc plate 8, rear arc plate 9 are all with the outer wall of tower body 1 fit adaptation, first sliding hole 10 corresponding with front arc plate 8 is set on front cover 4, second sliding hole 11 corresponding with rear arc plate 9 is set on discharge pipe 5, opening and closing drive assembly includes first connecting plate 12, second connecting plate 13, rack 14, gear 15 and connecting ring 16, first connecting plate 12 is vertically set and is fixedly connected with front arc plate 8, first connecting plate 12 is set to slide along tower body 1 up and down, second connecting plate 13 is vertically set and is fixedly connected with rear arc plate 9, second connecting plate 13 is set to slide along tower body 1 up and down, connecting ring 16 is slidably sleeved on tower body 1, connecting ring 16 is fixedly connected with the upper end of first connecting plate 12, connecting ring 16 is fixedly connected with the upper end of second connecting plate 13, rack 14 is fixedly set on second connecting plate 13, mounting seat 34 is provided on tower body 1, gear 15 is rotatably set on mounting seat 34, mounting seat 34 is provided with servo motor 35, servo motor 35 is used to drive gear 15 to rotate, and gear 15 is engaged with rack 14.

[0027] By controlling the forward and reverse rotation of the servo motor 35, the gear 15 drives the rack 14 to move, thus causing the front arc plate 8 and the rear arc plate 9 to move up and down along the tower body 1. When the front arc plate 8 and the rear arc plate 9 move upward, the front opening 2 and the rear opening 3 open. This is the normal material discharge state. When the front arc plate 8 and the rear arc plate 9 move downward to the lowest point, the front opening 2 and the rear opening 3 are completely blocked.

[0028] The slag pushing mechanism includes a push rod 18 and a material pushing assembly. The material pushing assembly slides between the front opening 2 and the rear opening 3. The material pushing assembly includes a fixed push plate 19 and two telescopic push plates 20. The two telescopic push plates 20 are slidably disposed on the fixed push plate 19 and are symmetrical about the fixed push plate 19. An auxiliary wheel 21 is provided at the end of each telescopic push plate 20. A square tube 22 is provided on the rear surface of the fixed push plate 19. A guide hole 23 is provided on the square tube 22. A guide rod 24 is fixedly disposed inside the square tube 22. A sliding block 25 is fixedly disposed on each telescopic push plate 20. The sliding block 25 slides inside the square tube 22 and is slidably sleeved on the guide rod 24. A spring 26 is provided between the sliding blocks 25 on the two telescopic push plates 20 and is sleeved on the guide rod 24. The push rod 18 is rotatably disposed on the square tube 22.

[0029] The push rod 18 is a hollow rectangular tube, and a flipping component is provided inside the rectangular tube. The flipping component is used to drive the pusher component to rotate. The flipping component includes a rotating seat 17 and a drive rod 27. The rotating seat 17 is rotatably mounted on the square tube 22, and a connecting seat 28 is rotatably mounted on the rotating seat 17. The drive rod 27 rotates on the connecting seat 28. A first limiting plate 29 is provided at the end of the push rod 18 away from the square tube 22. A waist-shaped adjustment groove 30 is provided on the first limiting plate 29. A rotating handle 31 is provided at the end of the drive rod 27 away from the square tube 22. A limiting post 32 corresponding to the adjustment groove is also provided on the drive rod 27. An anti-detachment plate 33 is provided on the push rod 18.

[0030] Working principle: When the pressure reducing tower is working normally, the pusher assembly is located inside the front cover 4, and the pusher rod 18 is installed in a vertical position, such as... Figure 2 As shown, when it is necessary to clean the filter residue, firstly, the front opening 2 and the rear opening 3 are opened through the sealing mechanism. Then, the push rod 18 is rotated to a horizontal position. The push assembly is used to clean the filter residue. Under the action of the anti-detachment plate 33, when the push rod 18 reaches the limit position, the fixed push plate 19 and the telescopic push plate 20 also reach the limit position. The filter residue is discharged from the discharge funnel 6. The fixed push rod 18 and the telescopic push plate 20 are rotated to a horizontal position by the flipping assembly, and then the push rod 18 is pulled back to its original position to complete the cleaning.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A petrochemical vacuum distillation tower filtration and slag discharge device, wherein the tower body (1) of the vacuum distillation tower has a front opening (2) and a rear opening (3) that are opposite to each other, the front opening (2) and the rear opening (3) are connected to the interior of the vacuum distillation tower, and the filter tower plate inside the tower body (1) of the vacuum distillation tower corresponds to the front opening (2) and the rear opening (3), characterized in that A front cover (4) is provided at the front opening (2) and a discharge pipe (5) is provided at the rear opening (3). A sealing mechanism and a slag pushing mechanism are provided on the tower body (1) of the pressure reducing tower. The sealing mechanism is used to block the front opening (2) and the rear opening (3). The slag pushing mechanism is used to remove the filter residue on the filter tower plate. The slag pushing mechanism includes a push rod (18) and a push assembly. The push rod (18) is connected to the push assembly. The push assembly slides between the front opening (2) and the rear opening (3). The push assembly includes a fixed push plate (19) and two telescopic push plates (20). The two telescopic push plates (20) are slidably arranged on the fixed push plate (19). The two telescopic push plates (20) are symmetrical about the fixed push plate (19). The push rod (18) is rotatably arranged on the fixed push plate (19).

2. The petrochemical vacuum tower filtration and slag discharge device according to claim 1, characterized in that: The sealing mechanism includes a front arc plate (8), a rear arc plate (9), and an opening and closing drive assembly. The opening and closing drive assembly is used to simultaneously drive the front arc plate (8) and the rear arc plate (9) to move. Both the front arc plate (8) and the rear arc plate (9) fit snugly against the outer wall of the tower body (1). The front cover (4) is provided with a first sliding hole (10) corresponding to the front arc plate (8), and the discharge pipe (5) is provided with a second sliding hole (11) corresponding to the rear arc plate (9). The opening and closing drive assembly includes a first connecting plate (12), a second connecting plate (13), a rack (14), a gear (15), and a connecting ring (16). The first connecting plate (12) is vertically arranged and fixedly connected to the front arc plate (8). The first connecting plate (12) moves along the tower body (1). The second connecting plate (13) is vertically set and fixedly connected to the rear arc plate (9). The second connecting plate (13) slides up and down along the tower body (1). The connecting ring (16) is slidably sleeved on the tower body (1). The connecting ring (16) is fixedly connected to the upper end of the first connecting plate (12). The connecting ring (16) is fixedly connected to the upper end of the second connecting plate (13). The rack (14) is fixedly set on the second connecting plate (13). The tower body (1) is provided with a mounting base (34). The gear (15) is rotatably set on the mounting base (34). The mounting base (34) is provided with a servo motor (35). The servo motor (35) is used to drive the gear (15) to rotate. The gear (15) meshes with the rack (14).

3. The petrochemical vacuum tower filtration and slag discharge device according to claim 1, characterized in that: The fixed push plate (19) has a square tube (22) on its rear surface. A guide hole (23) is provided on the square tube (22). A guide rod (24) is fixedly provided inside the square tube (22). A sliding block (25) is fixedly provided on the telescopic push plate (20). The sliding block (25) slides inside the square tube (22) and is slidably sleeved on the guide rod (24). A spring (26) is provided between the sliding blocks (25) on the two telescopic push plates (20). The spring (26) is sleeved on the guide rod (24). The push rod (18) is rotatably mounted on the square tube (22).

4. The petrochemical vacuum tower filtration and slag discharge device according to claim 3, characterized in that: The telescopic push plate (20) is provided with an auxiliary wheel (21) at its end.

5. The petrochemical vacuum tower filtration and slag discharge device according to claim 3, characterized in that: The push rod (18) is a hollow rectangular tube, and a flipping component is provided inside the rectangular tube. The flipping component is used to drive the pusher component to rotate. The flipping component includes a rotating seat (17) and a drive rod (27). The rotating seat (17) is rotatably mounted on the square tube (22). A connecting seat (28) is rotatably mounted on the rotating seat (17). The drive rod (27) rotates on the connecting seat (28). A first limiting plate (29) is provided at the end of the push rod (18) away from the square tube (22). A waist-shaped adjustment groove (30) is provided on the first limiting plate (29). A rotating handle (31) is provided at the end of the drive rod (27) away from the square tube (22). A limiting post (32) corresponding to the adjustment groove is also provided on the drive rod (27). An anti-detachment plate (33) is provided on the push rod (18).

6. The petrochemical vacuum distillation tower filtration and slag discharge device according to claim 1, characterized in that: The tower body (1) is also provided with a discharge funnel (6) corresponding to the discharge pipe (5), and a receiving box (7) is provided below the discharge funnel (6).

7. The petrochemical vacuum tower filtration and slag discharge device according to claim 3, characterized in that: Both the fixed push plate (19) and the telescopic push plate (20) can be detachably fitted with wire brushes.

Images