A naphtha pretreatment reactor

By installing multiple stirring vortexes in the naphtha pretreatment reactor and cleaning the inner wall with a rotating column, the problem of insufficient mixing of naphtha and desulfurizing agent in the prior art is solved, and a more efficient desulfurization effect and faster treatment time are achieved.

CN222709636UActive Publication Date: 2025-04-04东营旺豪化工有限公司
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Patent Information

Application Number
CN202421260859.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-04-04
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

In the existing naphtha pretreatment reactor, the mixture of naphtha and desulfurization agent is not sufficient, resulting in poor desulfurization effect, long time, and affecting working efficiency.

Method used

A naphtha pretreatment reactor was designed. By installing multiple stirring vortexes inside the main body of the reactor, the guide plate was used to drive the stirring rod to rotate, forming three stirring vortexes to ensure that the desulfurizer and naphtha were fully mixed. At the same time, the cleaning base plate and the cleaning side plate are driven to rotate by rotating the column to clean up dirt on the inner wall of the reactor.

Benefits of technology

It improves the mixing uniformity of naphtha and desulfurization agent, significantly improves the desulfurization effect, shortens the treatment time, improves work efficiency, and facilitates cleaning of the inner wall of the reactor to prevent dirt from affecting subsequent work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a naphtha pretreatment reactor, which relates to the technical field of naphtha pretreatment equipment, and comprises a reactor body, a feed pipe and a dosing pipe, wherein one side of the top of the reactor body is connected to the feed pipe, and the other side of the top of the reactor body is connected to the dosing pipe. When the naphtha pretreatment reactor is used, the guide plate drives the stirring rod to rotate by starting the driving motor, and then three stirring vortices are formed inside the reactor body, and then the desulfurizer and the naphtha are fully mixed and contacted to improve the desulfurization effect, thereby facilitating uniform mixing and improving efficiency. When the stirring rod is mixed by the rotating column, the cleaning bottom plate and the cleaning side plate are rubbed against the inner wall of the reactor body, and then the dirt adhered to the inner wall of the reactor body is cleaned to prevent it from affecting subsequent work, thereby facilitating the cleaning of the inner wall when the naphtha pretreatment reactor is used.
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Description

Technical Field

[0001] The utility model relates to the technical field of naphtha pretreatment equipment, in particular to a naphtha pretreatment reactor. Background Art

[0002] Naphtha is one of the petroleum products, also known as chemical light oil or crude gasoline. It is mainly a light oil used as chemical raw material obtained by processing crude oil or other raw materials. Naphtha pretreatment reactor is a device specially used to process naphtha. Its design and function are mainly to better meet the needs of naphtha in subsequent processing or use. The pretreatment process may include operations such as removing impurities, adjusting composition, and improving stability to ensure that the quality of naphtha meets specific standards, and the desulfurization reactor is a very common auxiliary equipment in the naphtha pretreatment process.

[0003] In order to remove impurities in naphtha, it is necessary to pre-treat it through a desulfurization reactor. First, the naphtha is introduced into the reactor on the base through a feed pipe, and then the desulfurizer is introduced into the reactor through a dosing pipe. The naphtha and the desulfurizer are fully mixed through a stirring component to convert the sulfide in the naphtha into other harmless compounds, and then the sulfide is discharged through a discharge pipe to complete the desulfurization pretreatment of the naphtha. However, during the use of the reactor for naphtha pretreatment, mixing is usually performed only by rotating a single stirring rod. This mixing method easily leads to insufficient mixing between the naphtha and the reactants in the desulfurization equipment, resulting in poor desulfurization effect, and a long time consumption affects work efficiency, thereby affecting the use of the naphtha pretreatment reactor. Utility Model Content

[0004] The utility model aims to provide a naphtha pretreatment reactor to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a naphtha pretreatment reactor, comprising a reactor body, a feed pipe and a dosing pipe, wherein one side of the top of the reactor body is connected to the feed pipe, and the other side of the top of the reactor body is connected to the dosing pipe, the side of the bottom of the reactor body close to the feed pipe is connected to the outlet pipe, and the middle part of the bottom of the reactor body is connected to a base.

[0006] Preferably, a driving motor is installed in the middle of the top end of the reactor body, and a rotating rod is connected to the output end of the driving motor, and a guide seat is welded to the outer wall of the bottom end of the rotating rod.

[0007] Preferably, a fixed gear is sleeved on the middle part of the outer wall of the rotating rod, and a fixed rod is welded to the top of the fixed gear, and the top of the fixed rod is welded to the inner wall of the reactor body.

[0008] Preferably, the outer wall of the fixed gear is meshedly connected with a first gear, and a transmission rod is butted inside the first gear, and a second gear is welded to the bottom end of the transmission rod.

[0009] Preferably, the outer wall of the second gear is meshedly connected with the third gear, and the inside of the third gear is butted with a guide plate, and the bottom end of the guide plate away from the third gear is butted with a stirring rod.

[0010] Preferably, the bottom end of the rotating rod is connected to a rotating column, and a cleaning bottom plate is welded to the bottom end of the rotating column.

[0011] Preferably, a support pin is welded at the middle of the bottom end of the cleaning bottom plate, and cleaning side plates are butted against both sides of the outer wall of the cleaning bottom plate.

[0012] Preferably, a limit strip is welded to the top end of the outer wall of the cleaning side plate, and a limit groove corresponding to the limit strip is opened in the middle of the inner wall of the reactor body.

[0013] Compared with the prior art, the beneficial effect of the utility model is that when the naphtha pretreatment reactor is in use, the guide plate drives the stirring rod to rotate by starting the driving motor, thereby forming three stirring vortices inside the reactor body, and then allowing the desulfurizer and naphtha to fully mix and contact to improve the desulfurization effect, thereby facilitating uniform mixing and improving efficiency. When the stirring rod is mixed by the rotating column, the cleaning bottom plate and the cleaning side plate are rubbed against the inner wall of the reactor body, and then the dirt adhered to the inner wall of the reactor body is cleaned to prevent it from affecting subsequent work, thereby facilitating the cleaning of the inner wall when the naphtha pretreatment reactor is in use.

[0014] 1. In the process of pre-treating naphtha through the desulfurization reactor, the driving motor is first started to drive the guide seat to rotate through the rotating rod, and then the guide seat rotates to drive the first gear to move. At this time, the first gear also rotates along the fixed gear, and then the first gear drives the second gear to rotate through the transmission rod, and the second gear drives the guide plate to rotate through the third gear, and then the guide plate drives the stirring rod to rotate, so that three stirring vortices are formed inside the reactor body, and the stirring vortex also moves with the rotation of the guide seat, and then the desulfurizer and naphtha are fully mixed and contacted, so as to improve the desulfurization effect, so as to facilitate uniform mixing and improve efficiency when the naphtha pretreatment reactor is used;

[0015] 2. During the pretreatment of naphtha by the desulfurization reactor, the rotation of the rotating rod drives the rotating column to rotate together, and then the rotation of the rotating column drives the cleaning bottom plate to rotate, and the rotation of the cleaning bottom plate drives the cleaning side plate to rotate. Then, when the rotating rod rotates and drives the stirring rod to mix, the cleaning bottom plate rubs against the bottom end of the inner wall of the reactor body, and the cleaning side plate rubs against the middle part of the inner wall of the reactor body. Then, the sediment and dirt adhered to the bottom end and the middle part of the inner wall of the reactor body are cleaned to prevent it from affecting subsequent work, thereby facilitating the cleaning of the inner wall when the naphtha pretreatment reactor is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main cutaway structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the guide seat of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the stirring rod of the utility model;

[0020] Figure 5 This is a schematic diagram of the top view of the fixed gear structure of the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the cleaning side plate of the utility model.

[0022] In the figure: 1. Reactor body; 2. Feed pipe; 3. Dosing pipe; 4. Outlet pipe; 5. Base; 6. Drive motor; 7. Rotating rod; 8. Guide seat; 9. Fixed gear; 10. Fixed rod; 11. First gear; 12. Transmission rod; 13. Second gear; 14. Third gear; 15. Guide plate; 16. Stirring rod; 17. Rotating column; 18. Cleaning bottom plate; 19. Support pin; 20. Cleaning side plate; 21. Limiting strip. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 6The utility model provides a technical solution: a naphtha pretreatment reactor, comprising a reactor body 1, a feed pipe 2 and a dosing pipe 3, the feed pipe 2 is connected to one side of the top of the reactor body 1, and the dosing pipe 3 is connected to the other side of the top of the reactor body 1, the outlet pipe 4 is connected to the side of the bottom of the reactor body 1 close to the feed pipe 2, and the bottom middle of the reactor body 1 is connected to a base 5; a driving motor 6 is installed in the middle of the top of the reactor body 1, and a rotating rod 7 is connected to the output end of the driving motor 6, and a guide seat 8 is welded to the outer wall of the bottom end of the rotating rod 7; a fixed gear 9 is sleeved in the middle of the outer wall of the rotating rod 7, and the top of the fixed gear 9 is connected to the bottom of the reactor body 1. A fixing rod 10 is welded to the end, and the top of the fixing rod 10 is welded to the inner wall of the reactor body 1; the outer wall of the fixed gear 9 is meshed with a first gear 11, and a transmission rod 12 is docked inside the first gear 11, and a second gear 13 is welded to the bottom end of the transmission rod 12; the outer wall of the second gear 13 is meshed with a third gear 14, and a guide plate 15 is docked inside the third gear 14, and a stirring rod 16 is docked at the bottom end of the guide plate 15 away from the third gear 14; the transmission rod 12 and the guide seat 8 are rotationally connected, the top of the guide plate 15 and the guide seat 8 are rotationally connected, and the first gears 11 are distributed at equal angles on the guide seat 8.

[0025] In specific implementation, in the process of pre-treating naphtha through the desulfurization reactor, in order to improve the desulfurization efficiency, when the desulfurizer and naphtha need to be fully mixed, the driving motor 6 is first started to drive the rotating rod 7 to rotate. Since the rotating rod 7 is connected to the guide seat 8, the rotation of the rotating rod 7 drives the guide seat 8 to rotate together, and since the top of the fixed gear 9 is connected to the reactor body 1 through the fixed rod 10, the fixed gear 9 does not move at this time, and since the guide seat 8 is connected to the first gear 11 through the transmission rod 12, the rotation of the guide seat 8 drives the first gear 11 to rotate together, and the first gear 11 is meshed with the fixed gear 9, so that when the guide seat 8 drives the first gear 11 to move, the first gear 11 also rotates along the fixed gear 9;

[0026] Since the first gear 11 is connected to the second gear 13 through the transmission rod 12, the rotation of the first gear 11 drives the second gear 13 to rotate together, and since the second gear 13 and the third gear 14 are meshingly connected, the forward rotation of the second gear 13 drives the third gear 14 to rotate reversely, and then the rotation of the third gear 14 drives the guide plate 15 to rotate, so that the guide plate 15 rotates along the guide seat 8, and since the bottom end of the guide plate 15 is connected to the stirring rod 16, the rotation of the guide plate 15 drives the stirring rod 16 to rotate together;

[0027] Then three stirring vortices are formed inside the reactor body 1, and the stirring vortices also move with the rotation of the guide seat 8, so that the desulfurizer and the naphtha are fully mixed and contacted, thereby improving the desulfurization effect. Moreover, the mixing is not only carried out through the stirring assembly at the center of the reactor body 1, but the three stirring vortices can also reduce the desulfurization time and improve the working efficiency, thereby facilitating uniform mixing and improving efficiency when the naphtha pretreatment reactor is used.

[0028] See also Figure 1 , Figure 2 and Figure 6 It can be seen that a rotating column 17 is connected to the bottom end of the rotating rod 7, and a cleaning bottom plate 18 is welded to the bottom end of the rotating column 17; a supporting pin 19 is welded to the middle of the bottom end of the cleaning bottom plate 18, and cleaning side plates 20 are connected to the outer walls of the cleaning bottom plate 18 on both sides; a limiting strip 21 is welded to the top end of the outer wall of the cleaning side plate 20, and a limiting groove corresponding to the limiting strip 21 is opened in the middle of the inner wall of the reactor body 1; a supporting hole corresponding to the supporting pin 19 is opened at the bottom end of the inner wall of the reactor body 1.

[0029] In specific implementation, during the process of pre-treating naphtha through the desulfurization reactor, the naphtha will produce sediments during the desulfurization process. These sediments mixed with dirt are easy to adhere to the inner wall of the reactor. In order to prevent them from affecting the pre-treatment of naphtha, they need to be cleaned. Because the rotating rod 7 is connected to the rotating column 17, the rotating rod 7 rotates to drive the rotating column 17 to rotate together, and then the rotating column 17 rotates to drive the cleaning bottom plate 18 to rotate, and because the cleaning bottom plate 18 is welded to the support pin 19, the support pin 19 rotates along the reactor body 1 at this time, thereby assisting the movement of the cleaning bottom plate 18, and because the outer wall of the cleaning bottom plate 18 is connected to the cleaning side plate 20 on both sides;

[0030] The rotation of the cleaning bottom plate 18 drives the cleaning side plate 20 to rotate together. At this time, the limit bar 21 moves along the limit groove, and then guides the movement of the cleaning side plate 20. Then, when the rotating rod 7 rotates to drive the stirring rod 16 to mix, the rotating column 17 drives the cleaning bottom plate 18 and the cleaning side plate 20 to rotate. At this time, the cleaning bottom plate 18 rubs against the bottom end of the inner wall of the reactor body 1, and the cleaning side plate 20 rubs against the middle part of the inner wall of the reactor body 1. Then, the sediment and dirt adhered to the bottom end and the middle part of the inner wall of the reactor body 1 are cleaned, and the cleaning can be completed during the desulfurization work to prevent it from affecting the subsequent work, thereby facilitating the cleaning of the inner wall when the naphtha pretreatment reactor is used.

[0031] In summary, when the naphtha pretreatment reactor is used, the naphtha is first introduced into the reactor body 1 on the base 5 through the feed pipe 2, and then the desulfurizer is introduced into the reactor body 1 through the dosing pipe 3, and then the naphtha and the desulfurizer are fully mixed through the stirring component, so that the sulfide in the naphtha is converted into other harmless compounds, and then it is discharged through the outlet pipe 4, thereby completing the desulfurization pretreatment of the naphtha. This is the prior art and will not be elaborated on here. By starting the drive motor 6, the guide plate 15 drives the stirring rod 16 to rotate, and then three stirring vortices are formed inside the reactor body 1, and then the desulfurizer and the naphtha are fully mixed and contacted to improve the desulfurization effect. When the stirring rod 16 is mixed by the rotating column 17, the cleaning bottom plate 18 and the cleaning side plate 20 are rubbed against the inner wall of the reactor body 1, and then the dirt adhered to the inner wall of the reactor body 1 is cleaned to prevent it from affecting subsequent work. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A naphtha pretreatment reactor, comprising a reactor body (1), a feed pipe (2) and a dosing pipe (3), characterized in that: A feed pipe (2) is connected to one side of the top of the reactor body (1), and a dosing pipe (3) is connected to the other side of the top of the reactor body (1). A discharge pipe (4) is connected to the side of the bottom of the reactor body (1) close to the feed pipe (2), and a base (5) is connected to the middle of the bottom of the reactor body (1).

2. A naphtha pretreatment reactor according to claim 1, characterized in that: A driving motor (6) is installed at the middle of the top end of the reactor body (1), and a rotating rod (7) is connected to the output end of the driving motor (6), and a guide seat (8) is welded to the outer wall of the bottom end of the rotating rod (7).

3. A naphtha pretreatment reactor according to claim 2, characterized in that: A fixed gear (9) is sleeved on the middle of the outer wall of the rotating rod (7), and a fixed rod (10) is welded to the top of the fixed gear (9), and the top of the fixed rod (10) is welded to the inner wall of the reactor body (1).

4. A naphtha pretreatment reactor according to claim 3, characterized in that: The outer wall of the fixed gear (9) is meshedly connected with a first gear (11), and a transmission rod (12) is butted inside the first gear (11), and a second gear (13) is welded to the bottom end of the transmission rod (12).

5. A naphtha pretreatment reactor according to claim 4, characterized in that: The outer wall of the second gear (13) is meshedly connected with the third gear (14), and the inside of the third gear (14) is butted with a guide plate (15), and the bottom end of the guide plate (15) away from the third gear (14) is butted with a stirring rod (16).

6. A naphtha pretreatment reactor according to claim 2, characterized in that: The bottom end of the rotating rod (7) is connected to a rotating column (17), and the bottom end of the rotating column (17) is welded with a cleaning bottom plate (18).

7. A naphtha pretreatment reactor according to claim 6, characterized in that: A support pin (19) is welded to the middle of the bottom end of the cleaning bottom plate (18), and cleaning side plates (20) are butt-jointed to both sides of the outer wall of the cleaning bottom plate (18).

8. A naphtha pretreatment reactor according to claim 7, characterized in that: A limiting strip (21) is welded to the top end of the outer wall of the cleaning side plate (20), and a limiting groove corresponding to the limiting strip (21) is opened in the middle of the inner wall of the reactor body (1).