Rectifier convenient to clean

Abstract

The rectifying machine comprises a tower body, a condenser and a reboiler, a plurality of sieve plates are arranged on the inner wall of the tower body at intervals in the vertical direction, a cleaning mechanism is arranged in the tower body, and the cleaning mechanism comprises a cleaning pipe, a water spraying pipe, a liquid inlet spray head, a movable connector, a liquid extraction pump and a driving assembly for driving the cleaning pipe to rotate. The infusion pump is fixed to the top of the tower body, the cleaning pipe is arranged in the tower body, the central axis of the cleaning pipe coincides with the central axis of the tower body, the upper end of the cleaning pipe is connected with the infusion pump through a movable connector, and the driving assembly is arranged at the lower end of the cleaning pipe and can drive the cleaning pipe to rotate. According to the sieve plate cleaning device, the sieve plates arranged in the axial direction can be cleaned, the position of each sieve plate is correspondingly provided with the corresponding water spraying pipe, the cleaning effect is better, and the sieve plates are prevented from being blocked by dirt.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical industry, in particular to a rectification machine which is easy to clean. Background Art

[0002] A distillation tower is a tower-type gas-liquid contact device for distillation. By utilizing the different volatilities of the components in the mixture, that is, the different vapor pressures of the components at the same temperature, the light components (low-boiling substances) in the liquid phase are transferred to the gas phase, and the heavy components (high-boiling substances) in the gas phase are transferred to the liquid phase, thereby achieving the purpose of separation. The distillation tower is also a mass transfer and heat transfer device that is widely used in petrochemical production.

[0003] The distillation process requires a distillation device. After the distillation device is frequently used, dirt will remain on the sieve plate, causing the sieve holes to be blocked, causing inconvenience in subsequent work. Therefore, each layer of the sieve plate needs to be cleaned after use. However, the traditional method is to let water in from the top of the tower body and discharge it from the waste hole at the bottom. This cleaning method is not effective. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a distillation machine which is easy to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a distillation machine that is easy to clean, comprising a tower body, a condenser and a reboiler, wherein a plurality of sieve plates are arranged at intervals in the vertical direction on the inner wall of the tower body, a liquid inlet pipe is arranged in the middle of the tower body, a steam discharge pipe is fixedly connected to the peripheral side surface of the tower body, one end of the steam discharge pipe is fixedly connected to the condenser, a reflux pipe and a finished product delivery pipe are fixedly connected to one side of the condenser, the reflux pipe is fixedly connected to the tower body, a drain pipe is fixedly connected to the lower surface of the tower body, one end of the drain pipe is fixedly connected to the reboiler, a steam delivery pipe is fixedly connected to the upper surface of the reboiler, and the steam delivery pipe is fixedly connected to the lower surface of the tower body. One end is fixedly connected to the tower body, a waste liquid discharge pipe is fixedly connected to the lower surface of the reboiler, a cleaning mechanism is arranged in the tower body, the cleaning mechanism includes a cleaning pipe, a water spray pipe, a liquid inlet nozzle, a movable joint, a liquid pump and a driving assembly for driving the cleaning pipe to rotate, the liquid pump is fixed to the top of the tower body, the cleaning pipe is arranged in the tower body and the central axis of the cleaning pipe coincides with the central axis of the tower body, the upper end of the cleaning pipe is connected to the liquid pump through a movable joint, the driving assembly is arranged at the lower end of the cleaning pipe and can drive the cleaning pipe to rotate, the cleaning pipe is provided with a plurality of groups of water spray pipes located above each sieve plate arranged at intervals in the axial direction, and a plurality of liquid inlet nozzles are arranged on each water spray pipe.

[0006] As a preferred technical solution of the utility model, each sieve plate is correspondingly provided with a through hole for the cleaning pipe to pass through.

[0007] As a preferred technical solution of the utility model, the water spray pipe is vertically connected to the cleaning pipe, and a plurality of liquid inlet nozzles are arranged along the length direction of the water spray pipe.

[0008] As a preferred technical solution of the utility model, the driving assembly includes a rotating motor, a mounting plate, a first bevel gear and a second bevel gear. The first bevel gear is arranged at the lower end of the cleaning pipe, the mounting plate is arranged on the side wall of the tower body, the rotating motor is fixed to the mounting plate and the output shaft extends into the tower body, and the end of the output shaft of the rotating motor is provided with a second bevel gear which meshes with the first bevel gear for transmission.

[0009] As a preferred technical solution of the utility model, a sealing seat is provided on the side wall of the tower body, and an oil seal which seals with the output shaft of the rotating motor is provided in the sealing seat.

[0010] As a preferred technical solution of the utility model, a sewage pump is arranged at the bottom of the tower body, and the sewage pump is connected to the tower body through a sewage pipe.

[0011] As a preferred technical solution of the utility model, the tower body includes a lower tower and an upper tower, and the connection between the lower tower and the upper tower is respectively provided with a first sealing disk and a second sealing disk, the first sealing disk is provided with a convex ring, and the second sealing disk is provided with a groove matching the convex ring, and the first sealing disk and the second sealing disk are fixed by bolts and nuts.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the rotating motor is started, and the cleaning pipe is driven to rotate through the first bevel gear and the second bevel gear. Several groups of water spray pipes corresponding to each sieve plate are arranged in the axial direction of the cleaning pipe, so that each layer of the sieve plate can be cleaned. Compared with the traditional method of directly cleaning with water entering from the top, the cleaning effect is better and more targeted. In addition, a movable joint is arranged at the upper end of the cleaning pipe, and the cleaning pipe can rotate relative to the movable joint. The rotation of the cleaning pipe does not affect the normal operation of the liquid pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the cleaning mechanism in the utility model;

[0015] Figure 3 yes Figure 1 Enlarged view of part A;

[0016] Figure 4 It is a structural schematic diagram of the tower body of the utility model.

[0017] Figure numerals: 1, tower body; 2, condenser; 3, reboiler; 4, sieve plate; 5, liquid inlet pipe; 6, steam discharge pipe; 7, reflux pipe; 8, finished product conveying pipe; 9, discharge pipe; 10, steam conveying pipe; 11, waste liquid discharge pipe; 12, cleaning mechanism; 13, cleaning pipe; 14, water spray pipe; 15, liquid inlet nozzle; 16, movable joint; 17, liquid pump; 18, driving assembly; 19, through hole; 20, rotating motor; 21, mounting plate; 22, first bevel gear; 23, second bevel gear; 24, sealing seat; 25, oil seal; 26, sewage pump; 27, sewage pipe; 28, upper tower; 29, lower tower; 30, convex ring. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] like Figure 1-4A distillation machine that is easy to clean is shown, comprising a tower body 1, a condenser 2 and a reboiler 3, wherein the inner wall of the tower body 1 is provided with a plurality of sieve plates 4 arranged at intervals in the vertical direction, a liquid inlet pipe 5 is provided in the middle of the tower body 1, a steam discharge pipe 6 is fixedly connected to the peripheral side surface of the tower body 1, one end of the steam discharge pipe 6 is fixedly connected to the condenser 2, a reflux pipe 7 and a finished product delivery pipe 8 are fixedly connected to one side of the condenser 2, the reflux pipe 7 is fixedly connected to the tower body 1, a liquid discharge pipe 9 is fixedly connected to the lower surface of the tower body 1, one end of the liquid discharge pipe 9 is fixedly connected to the reboiler 3, a steam delivery pipe 10 is fixedly connected to the upper surface of the reboiler 3, one end of the steam delivery pipe 10 is fixedly connected to the tower body 1, a waste liquid discharge pipe 11 is fixedly connected to the lower surface of the reboiler 3, and a cleaning mechanism is provided in the tower body 1 12, the cleaning mechanism 12 includes a cleaning pipe 13, a water spray pipe 14, a liquid inlet nozzle 15, a movable joint 16, a liquid pump 17 and a driving component 18 for driving the cleaning pipe 13 to rotate, the liquid pump 17 is fixed to the top of the tower body 1, the cleaning pipe 13 is arranged in the tower body 1 and the central axis of the cleaning pipe 13 coincides with the central axis of the tower body 1, the upper end of the cleaning pipe 13 is connected to the liquid pump 17 through the movable joint 16, the driving component 18 is arranged at the lower end of the cleaning pipe 13 and can drive the cleaning pipe 13 to rotate, the cleaning pipe 13 is arranged with a plurality of groups of water spray pipes 14 located above each sieve plate 4 at intervals in the axial direction, each water spray pipe 14 is provided with a plurality of liquid inlet nozzles 15, in this embodiment, the water spray pipe 14 is vertically connected to the cleaning pipe 13, and the plurality of liquid inlet nozzles 15 are arranged along the length direction of the water spray pipe 14.

[0021] The rotating motor 20 is started, and the cleaning pipe 13 is driven to rotate through the first bevel gear 22 and the second bevel gear 23. A plurality of water spray pipes 14 corresponding to each sieve plate 4 are arranged in the axial direction of the cleaning pipe 13, so that each layer of the sieve plate 4 can be cleaned. Compared with the traditional method of directly cleaning with water from the top, the cleaning effect is better and more targeted. In addition, a movable joint 16 is arranged at the upper end of the cleaning pipe 13, and the cleaning pipe 13 can rotate relative to the movable joint 16. The rotation of the cleaning pipe 13 does not affect the normal operation of the liquid pump 17.

[0022] Each sieve plate 4 is correspondingly provided with a through hole 19 for the cleaning pipe 13 to pass through, and a shaft sleeve rotatably matched with the cleaning pipe 13 is provided at the through hole 19 .

[0023] The driving assembly 18 includes a rotating motor 20, a mounting plate 21, a first bevel gear 22 and a second bevel gear 23. The first bevel gear 22 is provided at the lower end of the cleaning pipe 13. The mounting plate 21 is provided on the side wall of the tower body 1. The rotating motor 20 is fixed to the mounting plate 21 and the output shaft extends into the tower body 1. The end of the output shaft of the rotating motor 20 is provided with a second bevel gear 23 that meshes with the first bevel gear 22 for transmission.

[0024] A sealing seat 24 is provided on the side wall of the tower body 1, and an oil seal 25 is provided in the sealing seat 24 to seal with the output shaft of the rotating motor 20. This is a prior art, so it is not described in detail.

[0025] A sewage pump 26 is provided at the bottom of the tower body 1 , and the sewage pump 26 is connected to the tower body 1 through a sewage pipe 27 .

[0026] The tower body 1 includes a lower tower 29 and an upper tower 28. The connection between the lower tower 29 and the upper tower 28 is respectively provided with a first sealing disk and a second sealing disk. The first sealing disk is provided with a convex ring 30. The second sealing disk is provided with a groove matching with the convex ring 30. The first sealing disk and the second sealing disk are fixed by bolts and nuts to facilitate subsequent maintenance.

Claims

1. A distillation machine that is easy to clean, comprising a tower body (1), a condenser (2) and a reboiler (3), wherein the inner wall of the tower body (1) is provided with a plurality of sieve plates (4) arranged at intervals in the vertical direction, a liquid inlet pipe (5) is arranged in the middle of the tower body (1), a steam exhaust pipe (6) is fixedly connected to the peripheral side of the tower body (1), one end of the steam exhaust pipe (6) is fixedly connected to the condenser (2), and one side of the condenser (2) is fixedly connected to a reflux pipe (7) and a finished product The tower body (1) is provided with a delivery pipe (8), the reflux pipe (7) is fixedly connected to the tower body (1), a discharge pipe (9) is fixedly connected to the lower surface of the tower body (1), one end of the discharge pipe (9) is fixedly connected to the reboiler (3), the upper surface of the reboiler (3) is fixedly connected to a steam delivery pipe (10), one end of the steam delivery pipe (10) is fixedly connected to the tower body (1), and the lower surface of the reboiler (3) is fixedly connected to a waste liquid discharge pipe (11), characterized in that: A cleaning mechanism (12) is arranged in the tower body (1), and the cleaning mechanism (12) comprises a cleaning pipe (13), a water spray pipe (14), a liquid inlet nozzle (15), a movable joint (16), a liquid extraction pump (17), and a driving assembly (18) for driving the cleaning pipe (13) to rotate. The liquid extraction pump (17) is fixed to the top of the tower body (1). The cleaning pipe (13) is arranged in the tower body (1) and the central axis of the cleaning pipe (13) coincides with the central axis of the tower body (1). The upper end of the cleaning pipe (13) is connected to the liquid extraction pump (17) via the movable joint (16). The driving assembly (18) is arranged at the lower end of the cleaning pipe (13) and can drive the cleaning pipe (13) to rotate. The cleaning pipe (13) is provided with a plurality of groups of water spray pipes (14) arranged at intervals in the axial direction and located above each sieve plate (4). Each water spray pipe (14) is provided with a plurality of liquid inlet nozzles (15).

2. The easy-to-clean distillation machine according to claim 1, characterized in that: Each sieve plate (4) is correspondingly provided with a through hole (19) for the cleaning pipe (13) to pass through.

3. The easy-to-clean distillation machine according to claim 1, characterized in that: The water spray pipe (14) is vertically connected to the cleaning pipe (13), and a plurality of liquid inlet nozzles (15) are arranged along the length direction of the water spray pipe (14).

4. The easily cleanable distillation machine according to claim 3, characterized in that: The driving assembly (18) comprises a rotating motor (20), a mounting plate (21), a first bevel gear (22) and a second bevel gear (23); the first bevel gear (22) is arranged at the lower end of the cleaning pipe (13); the mounting plate (21) is arranged on the side wall of the tower body (1); the rotating motor (20) is fixed to the mounting plate (21) and the output shaft extends into the tower body (1); the output shaft end of the rotating motor (20) is provided with a second bevel gear (23) meshing with the first bevel gear (22) for transmission.

5. The easy-to-clean distillation machine according to claim 4, characterized in that: The side wall of the tower body (1) is provided with a sealing seat (24), and an oil seal (25) is provided in the sealing seat (24) for sealingly cooperating with the output shaft of the rotating motor (20).

6. The easy-to-clean distillation machine according to claim 1, characterized in that: A sewage pump (26) is provided at the bottom of the tower body (1), and the sewage pump (26) is connected to the tower body (1) via a sewage pipe (27).

7. The easy-to-clean distillation machine according to claim 1, characterized in that: The tower body (1) comprises a lower tower (29) and an upper tower (28), wherein a first sealing disk and a second sealing disk are respectively arranged at the connection between the lower tower (29) and the upper tower (28), wherein the first sealing disk is provided with a convex ring (30), and the second sealing disk is provided with a groove matching with the convex ring (30), and the first sealing disk and the second sealing disk are fixed by bolts and nuts.

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