A feed distributor for a fractionating column

Abstract

The utility model discloses a kind of feed distributors of fractionating column, belong to fractionating column technical field, including tower body, the upper side of the rear end of tower body is fixed with feeding tank, several connecting pipes are fixed in feeding tank, the upper side of each connecting pipe is equipped with flowmeter, one-way valve is installed on each connecting pipe in feeding tank, connecting pipe one end is fixed with distribution pipe, stirring assembly is arranged in tower body, distribution pipe one end is provided with distribution assembly;The utility model is through being provided with distribution assembly, when adding different material, select corresponding connecting pipe and add material into connecting pipe, material enters distribution pipe, then open motor one drives bevel gear one rotation, bevel gear one rotation can be rotated in the upper end of tower body by bevel gear two drive rotating rod, rotating rod rotation drives the rotation of lower end's rotating pipe, material in distribution pipe flows into tower body interior by entering rotating pipe in hose, by being provided with distribution assembly, material can be evenly added to tower body interior, improve device practicability.

Description

Technical Field

[0001] This utility model belongs to the field of fractionation tower technology, specifically relating to a feed distributor for a fractionation tower. Background Technology

[0002] A fractionation column is a tower-type vapor-liquid contact device used to separate mixtures. It mainly includes two types: plate columns and packed columns. Based on operation type, it can be further divided into continuous fractionation columns and batch fractionation columns. The feed distributor is a key internal component installed in the fractionation column, typically below the feed inlet (for liquid phase feed) or above it (for gas phase feed). Its core function is to evenly distribute the material (liquid, gas, or gas-liquid mixture) entering the column across the entire column cross-section to improve mass transfer efficiency and fractionation effect.

[0003] Currently, most common feed distributors adopt a fixed structure, such as perforated tube or tray distributors. While these distributors are simple in structure, they still have significant shortcomings in practical applications: 1. Due to their fixed outlet position, materials tend to concentrate in localized areas, making true uniform dispersion difficult. This easily leads to uneven fluid distribution within the tower, affecting the utilization efficiency of the trays or packing and reducing fractionation efficiency. 2. Existing distributors are mostly single-function, possessing only basic feed distribution capabilities and lacking further material stirring or anti-clogging designs. They are prone to clogging due to viscous materials or the presence of solid particles, affecting long-term stable operation. 3. Traditional fractionation towers typically do not integrate stirring devices; materials mainly rely on natural flow or gravity distribution within the tower, easily creating stagnation zones or coking. This is especially problematic when processing high-viscosity or easily condensable materials, significantly reducing fractionation efficiency. Furthermore, material easily adheres to the tower walls, forming scale, which not only reduces heat transfer efficiency but also increases the difficulty of cleaning and maintenance.

[0004] Therefore, it is necessary to develop a new type of feed distributor for fractionation towers that can not only achieve uniform material distribution, but also has stirring, anti-clogging, and self-cleaning functions to improve the overall performance and service life of fractionation towers. Utility Model Content

[0005] To address the problems mentioned in the background art, this utility model provides a feed distributor for a fractionation tower. This distributor, through its rotatable distribution structure and integrated stirring and scraping design, significantly improves the uniformity of material distribution, effectively prevents outlet blockage and tower wall adhesion, and combines distribution, stirring, and self-cleaning functions, thereby enhancing the separation efficiency and operational stability of the fractionation tower.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a feed distributor for a distillation tower, comprising a tower body, a feeding box fixed to the upper rear end of the tower body, a plurality of connecting pipes fixed in the feeding box, a flow meter installed on the upper side of each connecting pipe, a one-way valve installed on each connecting pipe in the feeding box, a distribution pipe fixed to one end of the connecting pipe, a stirring assembly provided inside the tower body, and a distribution assembly provided at one end of the distribution pipe; The material distribution assembly includes a flexible hose. One end of the material distribution tube is fitted with a flexible hose, and the other end of the flexible hose is fixed with a rotating tube. A rotating rod is fixed to the upper end of the rotating tube, and a helical gear II is fixed to the upper end of the rotating rod. A motor I is installed at the position corresponding to the helical gear II at the upper end of the tower body. A helical gear I is provided at the output end of the motor I. An auxiliary assembly is provided at the position corresponding to the motor I at the upper end of the tower body.

[0007] Preferably, the auxiliary component includes a protective box, which is fixed at the upper end of the tower body at a position corresponding to the motor, and has doors hinged to both sides of the front end of the protective box.

[0008] Preferably, the auxiliary component further includes a fixing frame, the upper end of the rotating rod is fixed with the fixing frame, the lower end of the fixing frame is fixed with a slider, and the upper end of the tower body is provided with a sliding groove corresponding to the slider.

[0009] Preferably, the rotating rod is rotatably connected to the tower body via a bearing, the side of the slider is in contact with the inner wall of the chute, and the hose is connected to the distribution pipe via a flange.

[0010] Preferably, the stirring assembly includes a second motor, which is installed at the middle of the upper end of the tower body. The output end of the second motor is provided with a rotating shaft, and several stirring rods are fixed on the rotating shaft. Conical bodies are fixed at both ends of the stirring rods.

[0011] Preferably, the stirring assembly further includes connecting rods, with connecting rods fixed to both sides of one end of the rotating shaft and a scraper fixed to the other end of the connecting rods.

[0012] Preferably, the scraper side is in contact with the inner wall of the tower, the adjacent stirring rods are at a 60-degree angle, and the longitudinal spacing between adjacent stirring rods is the same.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, by setting up a material distribution component, allows for the selection of corresponding connecting pipes for injection when adding different materials. The materials enter the distribution pipes through the connecting pipes. Turning on the motor drives the first helical gear to rotate, which in turn drives the second helical gear meshing with it to rotate, causing the rotating rod to rotate at the upper end of the tower. The rotating rod drives the lower rotating pipe to rotate synchronously, and the material in the distribution pipe is transported to the rotating pipe through a flexible hose, ultimately being evenly sprayed into the interior of the tower. This material distribution component achieves uniform distribution of materials across the cross-section of the tower through rotational spraying, significantly improving the uniformity and efficiency of the fractionation process and enhancing the practicality of the device.

[0014] 2. This utility model, by incorporating a stirring assembly, enables the rotation of a motor-driven shaft during the fractionation of materials within the tower. This shaft, in turn, rotates multiple circumferentially distributed stirring rods, thoroughly agitating the materials inside the tower and accelerating the fractionation process. The conical ends of the stirring rods effectively cut the material, preventing clumping. Simultaneously, the shaft, via a connecting rod, drives a scraper to rotate synchronously. The scraper engages with the inner wall of the tower, continuously scraping away any adhering substances, preventing material accumulation, ensuring a clean inner wall, and improving fractionation efficiency and ease of operation and maintenance. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a sectional perspective view of the present invention; Figure 3 This utility model Figure 2 Enlarged view of point A; Figure 4 This is a perspective view of the rotating rod of this utility model; In the diagram: 1. Tower body; 2. Distributor assembly; 21. Rotating rod; 22. Hose; 23. Rotating pipe; 24. Helical gear II; 25. Motor I; 26. Helical gear I; 27. Auxiliary assembly; 271. Protective box; 272. Box door; 273. Fixing frame; 274. Sliding block; 275. Slide groove; 3. Mixing assembly; 31. Motor II; 32. Rotating shaft; 33. Mixing rod; 34. Conical body; 35. Scraper; 36. Connecting rod; 4. Connecting pipe; 5. Flow meter; 6. Check valve; 7. Distributor pipe; 8. Feeding box. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1: Please see Figure 1-4 The present invention provides the following technical solution: a feed distributor for a fractionation tower, comprising a tower body 1, a feeding box 8 fixed on the upper side of the rear end of the tower body 1, a plurality of connecting pipes 4 fixed in the feeding box 8, a flow meter 5 installed on the upper side of each connecting pipe 4, a one-way valve 6 installed on the connecting pipe 4 inside the feeding box 8, a distribution pipe 7 fixed at one end of the connecting pipe 4, a stirring assembly 3 provided inside the tower body 1, and a distribution assembly 2 provided at one end of the distribution pipe 7; The material distribution assembly 2 includes a flexible hose 22. One end of the material distribution pipe 7 is fitted with the flexible hose 22, and the other end of the flexible hose 22 is fixed with a rotating pipe 23. A rotating rod 21 is fixed to the upper end of the rotating pipe 23, and a helical gear 24 is fixed to the upper end of the rotating rod 21. A motor 25 is installed at the upper end of the tower body 1 at a position corresponding to the helical gear 24. A helical gear 26 is provided at the output end of the motor 25. An auxiliary assembly 27 is provided at the upper end of the tower body 1 at a position corresponding to the motor 25.

[0018] Specifically, the auxiliary component 27 includes a protective box 271. The protective box 271 is fixed at the upper end of the tower body 1 at the position corresponding to the motor 25. The protective box 271 has doors 272 hinged to both sides of the front end.

[0019] By adopting the above technical solution, the protective box 271 fixed at the upper end of the tower body 1 can protect the motor 25 and other components, and the box door 272 can be opened to inspect and maintain the motor 25 and other components.

[0020] Specifically, the auxiliary component 27 also includes a fixing frame 273. The upper end of the rotating rod 21 is fixed with the fixing frame 273, and the lower end of the fixing frame 273 is fixed with a slider 274. The upper end of the tower body 1 is provided with a groove 275 corresponding to the slider 274.

[0021] By adopting the above technical solution, when the rotating rod 21 rotates, the slider 274 at the lower end of the fixed bracket 273 fixed on it slides in the groove 275 at the upper end of the tower body 1. The slider 274 and the groove 275 can limit the rotation of the rotating rod 21 and prevent the rotating rod 21 from rotating too much and causing damage to the hose 22.

[0022] Specifically, the rotating rod 21 is rotatably connected to the tower body 1 via a bearing, the side of the slider 274 is in contact with the inner wall of the slide groove 275, and the hose 22 is connected to the distribution pipe 7 via a flange.

[0023] By adopting the above technical solution, the rotating rod 21 can rotate on the tower body 1, and the side of the slider 274 fits against the inner wall of the slide groove 275, making the slider 274 slide more stably in the slide groove 275.

[0024] In this embodiment, the feed distributor is first installed at a suitable position in the fractionation tower. When different materials need to be added, the operator selects the corresponding feed pipe 4, and the material flows into the distribution pipe 7 through the feed pipe 4. Then, the motor 25 is turned on, driving the helical gear 26 to rotate. Through the meshing of the helical gear 26, the helical gear 24 is driven to rotate, which in turn causes the rotating rod 21 to rotate at the upper end of the tower body 1. The rotating rod 21 drives the rotating pipe 23 at its lower end to rotate together. The material in the distribution pipe 7 enters the rotating pipe 23 through the hose 22 and is finally evenly distributed inside the tower body 1, thereby achieving a uniform distribution of the material on the cross-section of the tower, effectively improving the uniformity of fractionation and the practicality of the equipment.

[0025] With the auxiliary component 27, the protective box 271 provides good protection for key components such as the motor 25. Routine inspection and maintenance can be performed by opening the box door 272, making operation convenient. During the rotation of the rotating rod 21, the slider 274 at the lower end of the fixed bracket 273 slides along the groove 275 at the upper end of the tower body 1. The slider 274 and the groove 275 work together to limit the rotation angle of the rotating rod 21, preventing damage to the hose 22 due to excessive rotation, and further ensuring the long-term stability and safety of the system.

[0026] Example 2: The difference between this embodiment and embodiment 1 is that the stirring assembly 3 includes a second motor 31. The second motor 31 is installed at the middle position of the upper end of the tower body 1. A rotating shaft 32 is provided at the output end of the second motor 31. Several stirring rods 33 are fixed on the rotating shaft 32. Conical bodies 34 are fixed at both ends of the stirring rods 33.

[0027] By adopting the above technical solution, when the material inside the tower body 1 is fractionated, the motor 31 is turned on to drive the rotating shaft 32 to rotate. The rotation of the rotating shaft 32 drives several stirring rods 33 to rotate, which can stir the material inside the tower body 1 and improve the fractionation speed of the material. At the same time, the cone-shaped bodies 34 set at both ends of the stirring rods 33 can cut the material and avoid the material from clumping.

[0028] Specifically, the stirring assembly 3 also includes a connecting rod 36. The connecting rod 36 is fixed on both sides of one end of the rotating shaft 32, and a scraper 35 is fixed on the other end of the connecting rod 36.

[0029] By adopting the above technical solution, the rotation of the rotating shaft 32 can drive the scraper 35 to rotate through the connecting rod 36. The rotation of the scraper 35 can clean the inner wall of the tower body 1, avoiding the material from adhering to the inner wall of the tower body 1 and being difficult to clean.

[0030] Specifically, the scraper 35 is attached to the inner wall of the tower body 1, the adjacent stirring rods 33 are at a 60-degree angle, and the longitudinal spacing between adjacent stirring rods 33 is the same.

[0031] By adopting the above technical solution, the scraper 35 is in better contact with the inner wall of the tower body 1, and the scraper 35 has a better cleaning effect on the inner wall of the tower body 1. Several stirring rods 33 can be distributed at equal intervals.

[0032] In this embodiment, when fractionation of the material inside the tower 1 is required, motor 31 is turned on to drive the rotating shaft 32 to rotate. The rotating shaft 32 drives multiple evenly distributed stirring rods 33 to rotate, thoroughly stirring the material inside the tower 1, thereby increasing the fractionation speed. The conical bodies 34 at both ends of the stirring rods 33 can cut the material, effectively preventing material from clumping. At the same time, the rotating shaft 32 drives the scraper 35 to rotate synchronously through the connecting rod 36. The scraper 35 keeps in close contact with the inner wall of the tower 1, continuously scraping off the wall adhering substances, preventing material accumulation or adhesion, thereby ensuring the cleanliness of the inner wall of the tower, maintaining good heat transfer and fractionation efficiency, and reducing the difficulty of cleaning and maintenance.

[0033] The motor-25 used in this utility model is a mature product of existing publicly disclosed technology, and its specific model can be 5IK120GN-CF.

[0034] The motor 31 used in this utility model is a mature product of existing publicly disclosed technology, and its specific model can be Z60-55ZY.

[0035] The structure and working principle of the tower body 1, connecting pipe 4, flow meter 5, one-way valve 6 and feed distribution pipe 7 in this utility model have been disclosed in the feed distribution structure of a fractionation tower disclosed in Chinese Patent Publication No. CN220459931U.

[0036] Working principle and usage process of this utility model: First, after installing the feed distributor in a suitable position in the fractionation tower, the operator selects the corresponding connecting pipe 4 to feed the material, which flows into the distribution pipe 7 through the connecting pipe 4. The motor 25 is started, driving the helical gear 26 to rotate, and through the meshing of the helical gear 26, the helical gear 24 is driven to rotate, which in turn causes the rotating rod 21 to rotate at the upper end of the tower body 1. The rotating rod 21 drives the rotating pipe 23 at its lower end to rotate together, and the material in the distribution pipe 7 enters the rotating pipe 23 through the hose 22, and is finally evenly distributed inside the tower body 1, which significantly improves the uniformity of material distribution and fractionation efficiency.

[0037] With the auxiliary component 27, the protective box 271 can effectively protect key components such as the motor 25, and inspection and maintenance can be carried out by opening the box door 272. During the rotation of the rotating rod 21, the slider 274 at the lower end of the fixed bracket 273 fixed on it slides along the slide groove 275 at the upper end of the tower body 1. This structure can limit the rotation angle of the rotating rod 21 and prevent the hose 22 from being twisted due to excessive rotation.

[0038] When the material inside column 1 undergoes fractionation, motor 31 is activated to drive shaft 32 to rotate, which in turn drives multiple stirring rods 33 to agitate the material and increase the fractionation speed. The conical sections 34 at both ends of the stirring rods 33 can cut the material to prevent agglomeration. At the same time, shaft 32 drives scraper 35 to rotate via connecting rod 36. Scraper 35 is in contact with the inner wall of column 1 to continuously scrape off adhering substances, preventing material accumulation, keeping the inner wall of the column clean, and ensuring efficient and stable operation of the fractionation process.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A feed distributor for a fractionation column, comprising a column body (1), characterized in that: A feeding box (8) is fixed on the upper rear side of the tower body (1). Several connecting pipes (4) are fixed in the feeding box (8). A flow meter (5) is installed on the upper side of each connecting pipe (4). A one-way valve (6) is installed on each connecting pipe (4) in the feeding box (8). A distribution pipe (7) is fixed at one end of the connecting pipe (4). A stirring assembly (3) is installed inside the tower body (1). A distribution assembly (2) is installed at one end of the distribution pipe (7). The material distribution assembly (2) includes a hose (22). One end of the material distribution pipe (7) is equipped with a hose (22), and the other end of the hose (22) is fixed with a rotating pipe (23). The upper end of the rotating pipe (23) is fixed with a rotating rod (21), and the upper end of the rotating rod (21) is fixed with a helical gear (24). The upper end of the tower body (1) is equipped with a motor (25) at a position corresponding to the helical gear (24). The output end of the motor (25) is equipped with a helical gear (26), and the upper end of the tower body (1) is equipped with an auxiliary assembly (27) at a position corresponding to the motor (25).

2. The feed distributor for a fractionation tower according to claim 1, characterized in that: The auxiliary component (27) includes a protective box (271). The protective box (271) is fixed at the upper end of the tower body (1) at the position corresponding to the motor (25). The protective box (271) has doors (272) hinged on both sides of the front end.

3. The feed distributor for a fractionation tower according to claim 2, characterized in that: The auxiliary component (27) also includes a fixing frame (273), the upper end of the rotating rod (21) is fixed with the fixing frame (273), the lower end of the fixing frame (273) is fixed with a slider (274), and the upper end of the tower body (1) is provided with a groove (275) corresponding to the slider (274).

4. The feed distributor for a fractionation tower according to claim 3, characterized in that: The rotating rod (21) is rotatably connected to the tower body (1) through a bearing, the side of the slider (274) is in contact with the inner wall of the slide groove (275), and the hose (22) is connected to the material distribution pipe (7) through a flange.

5. The feed distributor for a fractionation tower according to claim 1, characterized in that: The stirring assembly (3) includes a second motor (31). The second motor (31) is installed at the middle position of the upper end of the tower body (1). A rotating shaft (32) is provided at the output end of the second motor (31). Several stirring rods (33) are fixed on the rotating shaft (32). Conical bodies (34) are fixed at both ends of the stirring rods (33).

6. The feed distributor for a fractionation tower according to claim 5, characterized in that: The stirring assembly (3) also includes a connecting rod (36), with the connecting rod (36) fixed on both sides of one end of the rotating shaft (32), and a scraper (35) fixed on the other end of the connecting rod (36).

7. The feed distributor for a fractionation tower according to claim 6, characterized in that: The scraper (35) is attached to the inner wall of the tower body (1) on the side, and the adjacent stirring rods (33) are at a 60-degree angle, and the longitudinal spacing between adjacent stirring rods (33) is the same.

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