Distillation device for processing petrochemical products

Abstract

The utility model discloses a distillation device for processing petrochemical products in the technical field of distillation devices, which comprises a distillation tank body, a heating base is mounted at the bottom of the distillation tank body, a tank cover is detachably mounted at the bottom of the distillation tank body, and a ventilation component connected with a condensing device is arranged on the tank cover; a stirring assembly is rotatably mounted in the distillation tank body, the outer ring of the stirring assembly is attached to the inner wall of the distillation tank body to rotate, a driving mechanism for driving the stirring assembly to operate is mounted on one side of the distillation tank body, and the bottom end of the other side of the distillation tank body is communicated with a liquid discharge pipe; the distillation device for processing the petrochemical products solves the problems that when an existing distillation device for processing the petrochemical products is used for distilling, raw materials in a distillation retort are difficult to ensure to be uniformly heated, so that the actual distillation efficiency is influenced, and residual materials in the distillation retort are easy to adhere to the inner wall of the retort body after the distillation device is used, so that subsequent cleaning is not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation devices, and specifically relates to a distillation device for processing petrochemical products. Background Technique

[0002] In chemical production, distillation equipment is commonly used. Distillation is a thermodynamic separation process. It utilizes the different boiling points of each component in a mixed liquid or liquid-solid system to evaporate the low-boiling components and then condense them to separate the entire component unit operation process, which is a combination of two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, filtration crystallization, etc., its advantage lies in that it does not require the use of other solvents outside the system components, thus ensuring that no new impurities are introduced. Distillation equipment is widely used in the production and processing of petrochemical products.

[0003] When the existing distillation device for processing petrochemical products is distilling, it is difficult to ensure uniform heating of the raw materials inside the distillation tank, which affects the actual distillation efficiency. Moreover, the remaining materials inside the distillation device are prone to adhering to the inner wall of the tank after use, which is not conducive to subsequent cleaning. Therefore, those skilled in the art have provided a distillation device for processing petrochemical products to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The purpose of the utility model is to provide a distillation device for processing petrochemical products to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A distillation device for processing petrochemical products, including a distillation tank body, a heating base is installed at the bottom of the distillation tank body, a tank cover is detachably installed at the bottom of the distillation tank body, and an air vent assembly connected to a condensation device is provided on the tank cover;

[0006] A stirring assembly is rotatably installed inside the distillation tank body, the outer circle of the stirring assembly fits and rotates with the inner wall of the distillation tank body, a driving mechanism for driving the stirring assembly to operate is installed on one side of the distillation tank body, and a drain pipe is communicated with the bottom end on the other side of the distillation tank body.

[0007] Preferably: The stirring assembly includes a rotating rod rotatably connected to both side walls of the distillation tank body through bearings, a plurality of U-shaped stirring bars arranged in a circumferential equidistant manner around its central axis are welded on the outer circle of the rotating rod, the outer circle of the U-shaped stirring bar fits with the inner wall of the distillation tank body, and one end of the rotating rod extends to the outside of the distillation tank body and is connected to the driving mechanism.

[0008] Preferably: A plurality of equally spaced support rings are welded on the inner circle of the U-shaped stirring bar, and the inner circle of the support ring is connected to the surface of the rotating rod through a plurality of welded fixing rods.

[0009] Preferably, support bottom plates are welded to both ends of the heating base, and the driving mechanism is installed on the top of the support bottom plates.

[0010] Preferably, the driving mechanism includes a servo motor fixedly installed on the support bottom plate. A small gear is connected to the output shaft of the servo motor, and a large gear meshing with the small gear is installed at the end of the rotating rod.

[0011] Preferably, a first connecting flange is welded to the bottom of the tank cover, and a second connecting flange is welded to the top of the distillation tank body. A clamping groove is formed at the top of the second connecting flange, and a sealing strip adapted to the clamping groove is provided at the bottom of the first connecting flange.

[0012] Preferably, the ventilation assembly includes a plurality of vertical pipes installed on the top of the tank cover. The tops of the plurality of vertical pipes are communicated with the same exhaust pipe, and the exhaust pipe is used for connecting with a condensation device.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, by arranging the driving mechanism to drive the rotating rod and the U-shaped stirring strip to rotate, the raw materials for distillation can be fully stirred, so as to promote the uniform heating of the raw materials for distillation, improve the gas liquefaction rate, and the U-shaped stirring strip attached to the inner wall of the tank can facilitate the auxiliary cleaning of the inside of the distillation tank body. Further, a support ring and a fixing rod are provided, which can improve the stirring effect and support strength of the clamping plate assembly.

[0015] 2. In the present utility model, by arranging the first connecting flange and the second connecting flange, the installation and disassembly of the tank cover can be facilitated, so as to facilitate the maintenance and cleaning of the equipment inside the tank body. Further, a clamping groove and a sealing strip are provided, which can improve the sealing effect between the tank body and the tank cover and prevent the escape of the gas generated by distillation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a side view of the overall structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the structure of the distillation tank body of the present utility model;

[0019] Figure 4 is a schematic diagram of the structure of the tank cover of the present utility model.

[0020] In the figure: 1. distillation tank body; 2. heating base; 3. tank cover; 4. drain pipe; 5. rotating rod; 6. U-shaped stirring bar; 7. support ring; 8. fixing rod; 9. supporting bottom plate; 10. servo motor; 11. small gear; 12. large gear; 13. first connecting flange; 14. second connecting flange; 15. slot; 16. sealing strip; 17. vertical pipe; 18. exhaust pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] See also Figures 1 to 4 In an embodiment of the utility model, a distillation device for processing petrochemical products includes a distillation tank body 1, a heating base 2 is installed at the bottom of the distillation tank body 1, a tank cover 3 is detachably installed at the bottom of the distillation tank body 1, a ventilation component connected to a condensing device is provided on the tank cover 3, a stirring component is rotatably installed inside the distillation tank body 1, an outer ring of the stirring component rotates in contact with the inner wall of the distillation tank body 1, a driving mechanism for driving the stirring component is installed on one side of the distillation tank body 1, and a drain pipe 4 is connected to the bottom end of the other side of the distillation tank body 1.

[0023] The raw materials for processing petrochemical products to be distilled are placed into the interior of the distillation tank body 1, and the interior of the distillation tank body 1 is fully heated by using the heating base 2. The driving mechanism can be started during the heating distillation process, and the driving mechanism drives the stirring component to rotate inside the distillation tank body 1, so that the raw materials inside the distillation tank body 1 can be heated evenly. The gas generated by distillation is transported to the interior of the condensing device through the ventilation component for liquefaction and collection. When the distillation device needs to be cleaned, the tank cover 3 is opened, and the outer ring of the stirring component can scrape off the attachments on the inner wall of the distillation tank body 1. The remaining area inside the tank body is convenient for cleaning by the staff, and the drain pipe 4 can be used to discharge waste materials after use of the raw materials for processing petrochemical products and sewage generated during cleaning.

[0024] In one embodiment, specifically, the stirring assembly includes a rotating rod 5 rotatably connected to both side walls of the distillation tank body 1 through bearings, and the outer ring of the rotating rod 5 is welded with multiple groups of U-shaped stirring bars 6 equidistantly arranged in a circle around its axis, and the outer ring of the U-shaped stirring bars 6 is in contact with the inner wall of the distillation tank body 1, and one end of the rotating rod 5 extends to the outside of the distillation tank body 1 and is connected to the driving mechanism.

[0025] The driving mechanism drives the rotating rod 5 to rotate, the rotating rod 5 drives the U-shaped stirring bar 6 to rotate, and the U-shaped stirring bar 6 can stir the raw materials for petrochemical product processing inside the distillation tank body 1, so as to facilitate the uniform heating of the raw materials. Moreover, the U-shaped stirring bar 6 rotates while fitting the inner wall of the distillation tank body 1, which can prevent the raw materials from adhering to the inner wall of the tank body and also facilitate the subsequent cleaning of the inner cavity of the tank. Further, a plurality of equally spaced support rings 7 are welded to the inner ring of the U-shaped stirring bar 6, and the inner ring of the support ring 7 is connected to the surface of the rotating rod 5 through a plurality of welded fixing rods 8, which can improve the support strength of the U-shaped stirring bar 6 and also improve the stirring effect on the distillation raw materials.

[0026] Among them, support bottom plates 9 are welded to both ends of the heating base 2, and the driving mechanism is installed on the top of the support bottom plates 9. Specifically, the driving mechanism includes a servo motor 10 fixedly installed on the support bottom plates 9. The output shaft of the servo motor 10 is connected to a small gear 11, and a large gear 12 meshing with the small gear 11 is installed at the end of the rotating rod 5. When the servo motor 10 is started, the servo motor 10 drives the small gear 11 to rotate, the small gear 11 drives the large gear 12 to rotate, and the large gear 12 drives the rotating rod 5 to rotate.

[0027] In an embodiment, a first connecting flange 13 is welded to the bottom of the tank cover 3, a second connecting flange 14 is welded to the top of the distillation tank body 1, a clamping groove 15 is formed at the top of the second connecting flange 14, and a sealing strip 16 adapted to the clamping groove 15 is provided at the bottom of the first connecting flange 13. When installing the tank cover 3, the first connecting flange 13 is fixedly installed on the top of the second connecting flange 14 through connecting bolts. During installation, the sealing strip 16 is snapped into the inside of the clamping groove 15, which can improve the sealing performance of the connection between the tank cover 3 and the distillation tank body 1.

[0028] Specifically, the ventilation assembly includes a plurality of vertical pipes 17 installed on the top of the tank cover 3. The tops of the plurality of vertical pipes 17 are communicated with the same exhaust pipe 18, and the exhaust pipe 18 is used to connect with the condensation device. The contact area between the raw materials for distillation inside the distillation tank body 1 and the air is relatively large, and the overall distillation efficiency is relatively high. A plurality of vertical pipes 17 are provided on the tank cover 3 and communicated with the exhaust pipe 18, which can enable the gases generated by distillation to circulate quickly, thereby ensuring the distillation cooling efficiency.

[0029] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A distillation device for processing petrochemical products, comprising a distillation tank (1), characterized in that: A heating base (2) is installed at the bottom of the distillation tank body (1), and a tank cover (3) is detachably installed at the bottom of the distillation tank body (1), wherein a ventilation component connected to a condensing device is provided on the tank cover (3); A stirring assembly is rotatably installed inside the distillation tank body (1), and the outer ring of the stirring assembly rotates in contact with the inner wall of the distillation tank body (1). A driving mechanism for driving the stirring assembly is installed on one side of the distillation tank body (1), and a discharge pipe (4) is connected to the bottom end of the other side of the distillation tank body (1).

2. A distillation device for processing petrochemical products according to claim 1, characterized in that: The stirring assembly comprises a rotating rod (5) rotatably connected to both side walls of the distillation tank body (1) via bearings, a plurality of groups of U-shaped stirring bars (6) equidistantly arranged in a circle around the axis thereof are welded to the outer ring of the rotating rod (5), the outer ring of the U-shaped stirring bars (6) being in contact with the inner wall of the distillation tank body (1), and one end of the rotating rod (5) extending to the outside of the distillation tank body (1) and connected to a driving mechanism.

3. A distillation device for processing petrochemical products according to claim 2, characterized in that: The inner ring of the U-shaped stirring bar (6) is welded with a plurality of groups of support rings (7) arranged at equal distances, and the inner ring of the support ring (7) is connected to the surface of the rotating rod (5) by a plurality of groups of fixed rods (8) welded thereto.

4. A distillation apparatus for processing petrochemical products according to claim 2, characterized in that: Support base plates (9) are welded to both ends of the heating base (2), and the driving mechanism is installed on the top of the support base plate (9).

5. A distillation device for processing petrochemical products according to claim 4, characterized in that: The driving mechanism comprises a servo motor (10) fixedly mounted on a supporting base plate (9), the output end shaft of the servo motor (10) being connected to a pinion gear (11), and the end of the rotating rod (5) being mounted with a large gear (12) meshing with the pinion gear (11).

6. A distillation apparatus for processing petrochemical products according to any one of claims 1 to 5, characterized in that: A first connecting flange (13) is welded to the bottom of the tank cover (3), a second connecting flange (14) is welded to the top of the distillation tank body (1), a slot (15) is provided at the top of the second connecting flange (14), and a sealing strip (16) matched with the slot (15) is provided at the bottom of the first connecting flange (13).

7. A distillation device for processing petrochemical products according to claim 6, characterized in that: The ventilation assembly comprises a plurality of vertical pipes (17) mounted on the top of the tank cover (3); the top ends of the plurality of vertical pipes (17) are connected to the same exhaust pipe (18); and the exhaust pipe (18) is used to be connected to a condensing device.

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