Hydrogenation reaction device for hydrogenation petroleum resin

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to a hydrogenation reaction device for hydrogenated petroleum resin, which comprises a continuous reaction kettle, and a plurality of stirring seats are fixedly connected to the annular side of a solid stirring column; the bottom end of the solid stirring column penetrates through the stirring plate and extends to the inner side of the fixed hollow circular plate; a reaction tube is arranged at the top end of the continuous reaction kettle. By starting the transmission assembly, the hollow stirring column drives the stirring blades to perform first-layer stirring on the petroleum resin in the continuous reaction kettle, and while the hollow stirring column performs stirring, the transmission assembly drives the solid stirring column and the stirring seat on the solid stirring column to perform second-layer stirring on the petroleum resin in the continuous reaction kettle; the scraping strips on the stirring plates scrape off petroleum attached to the inner wall of the continuous reaction kettle, petroleum resin in the continuous reaction kettle is fully stirred, the reaction speed of mixing the petroleum resin with hydrogen is increased, and the reaction effect of the petroleum resin and the hydrogen in the continuous reaction kettle is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical equipment, in particular to a hydrogenation reaction device for hydrogenated petroleum resin. Background Art

[0002] The hydrogenation reaction unit of hydrogenated petroleum resin is a chemical equipment used to convert unsaturated petroleum resin into saturated resin through hydrogenation reaction. These devices usually include a series of units for mixing, heating, hydrogenation and separation. According to different process flows, the design and configuration of the hydrogenation reaction unit are also different.

[0003] The continuous kettle hydrogenation unit in the existing technology combines the advantages of tubular reaction and kettle reaction to achieve the stability of continuous operation and continuous reaction. It usually includes a metering pump, a batching kettle, a preheater, a reactor, a receiving kettle and a hydrogen supply system.

[0004] The existing petroleum resin has a large density and viscosity. When it is hydrogenated, it needs to be stirred to increase the reaction speed of its combination with hydrogen. Inside the device, it will adhere to the inner wall of the device due to its own viscosity, and the stirring effect inside the device is poor, which in turn affects the reaction effect of the petroleum resin combining with hydrogen. Therefore, a hydrogenation reaction device for hydrogenated petroleum resin is proposed to address the above problems. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a hydrogenation reaction device for hydrogenated petroleum resin.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a hydrogenation reaction device for hydrogenated petroleum resin described in the utility model comprises a continuous reactor, wherein the bottom end of the inner side of the continuous reactor is fixedly connected with a fixed hollow circular plate; the top end of the fixed hollow circular plate is rotatably connected with a stirring plate; the center position of the stirring plate is fixedly connected with a hollow stirring column; the ring side of the hollow stirring column is fixedly connected with a plurality of stirring blades; a scraper is fixedly connected with a side of the top end of the stirring plate; the scraper is fitted with the inner wall of the continuous reactor; a solid stirring column is arranged between the hollow stirring column and the scraper; the ring side of the solid stirring column is fixedly connected with a plurality of stirring seats; the bottom end of the solid stirring column penetrates the stirring plate and extends to the inner side of the fixed hollow circular plate; the top of the continuous reactor is provided with a reaction tube;

[0007] A transmission assembly is arranged at the bottom end of the fixed hollow circular plate; the transmission assembly is used in conjunction with the stirring plate, the hollow stirring column and the solid stirring column.

[0008] Preferably, the transmission assembly includes a first bevel gear, a fixed plate, a transmission column, a second bevel gear and a first servo motor; the first bevel gear is fixedly connected to the center position of the bottom end of the stirring plate; the fixed plate is fixedly connected to one side of the bottom end of the fixed hollow circular plate; the fixed plate is rotatably connected to the transmission column on one side close to the first bevel gear; the end of the transmission column close to the second bevel gear is fixedly connected to the second bevel gear; the second bevel gear is meshingly connected to the first bevel gear; the end of the fixed plate away from the second bevel gear is fixedly connected to the first servo motor; the output end of the first servo motor is fixedly connected to the transmission column.

[0009] Preferably, the transmission assembly also includes a first transmission gear and a ring gear; the end of the solid stirring column extending into the fixed hollow circular plate is fixedly connected to the first transmission gear; the solid stirring column is rotatably connected to the stirring plate; the ring side on the inner side of the fixed hollow circular plate is fixedly connected to the ring gear; the first transmission gear is meshingly connected to the ring gear.

[0010] Preferably, a fixed seat is fixedly connected to the bottom end of the fixed hollow circular plate and the side away from the fixed plate; one end of the fixed seat is rotatably connected to a rotating column; the outer side of the rotating column is fixedly connected to a second transmission gear; the inner side of the hollow stirring column is movably connected to a hydrogenation column; the bottom end of the hydrogenation column is located on the inner side of the first bevel gear and is fixedly connected to a moving rack; the moving rack is meshingly connected to the second transmission gear; the other end of the fixed seat is fixedly connected to a second servo motor; the output end of the second servo motor is fixedly connected to the rotating column.

[0011] Preferably, a plurality of first hydrogenation holes are provided inside the hollow stirring column; and second hydrogenation holes are provided inside the hydrogenation column at positions corresponding to the first hydrogenation holes.

[0012] Preferably, a first fixed pipe is fixedly connected to one side of the bottom end of the hydrogenation column; a second fixed pipe is fixedly connected to the bottom end of the continuous reactor; and a gas delivery hose is plugged and connected between the first fixed pipe and the second fixed pipe.

[0013] Preferably, the gas delivery hose is made of rubber.

[0014] Beneficial effects of the utility model:

[0015] The utility model provides a hydrogenation reaction device for hydrogenated petroleum resin. Through the structural coordination design of a hollow stirring column, a solid stirring column, a scraper and a transmission component, when the petroleum resin in a continuous reactor undergoes hydrogenation reaction, the transmission component is started, and the stirring blade is driven by the hollow stirring column to stir the petroleum resin in the continuous reactor in the first layer. While the hollow stirring column is stirring, the transmission component drives the solid stirring column and the stirring seat thereon to stir the petroleum resin in the continuous reactor in the second layer, and the scraper on the stirring plate scrapes off the petroleum attached to the inner wall of the continuous reactor, so that the petroleum resin in the continuous reactor is fully stirred, and the reaction speed of the petroleum resin mixed with hydrogen is increased, so as to further improve the reaction effect of the petroleum resin and hydrogen in the continuous reactor.

[0016] The utility model provides a hydrogenation reaction device for hydrogenating petroleum resin. Through the structural coordination design of a hydrogenation column, a first hydrogenation hole and a second hydrogenation hole, when the petroleum resin in a continuous reactor needs to be hydrogenated for the second time, the hydrogenation column is pulled downward so that the second hydrogenation hole on the hydrogenation column fits with the first hydrogenation hole in a hollow stirring column, thereby facilitating the continuous injection of hydrogen into the continuous reactor and improving the hydrogenation effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of a cross-section of a continuous reaction kettle in the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the fixed hollow circular plate and the stirring plate in the utility model;

[0021] Figure 4 It is a stereogram of the transmission assembly in the utility model.

[0022] Legend:

[0023] 1. Continuous reactor; 2. Fixed hollow circular plate; 3. Stirring plate; 4. Hollow stirring column; 5. Stirring blade; 6. Solid stirring column; 7. Stirring seat; 8. Scraper; 9. First bevel gear; 10. Fixed plate; 11. Transmission column; 12. Second bevel gear; 13. First servo motor; 14. First transmission gear; 15. Ring gear; 16. Fixed seat; 17. Rotating column; 18. Second transmission gear; 19. Hydrogenation column; 20. Moving rack; 21. Second servo motor; 22. First hydrogenation hole; 23. Second hydrogenation hole; 24. First fixed pipe; 25. Second fixed pipe; 26. Gas hose; 27. Reaction tube. DETAILED DESCRIPTION

[0024] 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 4 The utility model provides a hydrogenation reaction device for hydrogenated petroleum resin, comprising a continuous reactor 1, wherein a fixed hollow circular plate 2 is fixedly connected to the bottom end of the inner side of the continuous reactor 1; a stirring plate 3 is rotatably connected to the top end of the fixed hollow circular plate 2; a hollow stirring column 4 is fixedly connected to the center position of the stirring plate 3; a plurality of stirring blades 5 are fixedly connected to the ring side of the hollow stirring column 4; a scraper 8 is fixedly connected to one side of the top end of the stirring plate 3; the scraper 8 is in contact with the inner wall of the continuous reactor 1; a solid stirring column 6 is arranged between the hollow stirring column 4 and the scraper 8; a plurality of stirring seats 7 are fixedly connected to the ring side of the solid stirring column 6; the bottom end of the solid stirring column 6 penetrates the stirring plate 3 and extends to the inner side of the fixed hollow circular plate 2; a reaction tube 27 is arranged at the top end of the continuous reactor 1;

[0027] The transmission assembly is arranged at the bottom of the fixed hollow circular plate 2; the transmission assembly cooperates with the stirring plate 3, the hollow stirring column 4 and the solid stirring column 6. During operation, when the petroleum resin in the continuous reactor 1 undergoes hydrogenation reaction, the transmission assembly is started, so that the transmission assembly drives the stirring plate 3 to rotate on the fixed hollow circular plate 2, and then the hollow stirring column 4 drives the stirring blade 5 to stir the petroleum resin in the continuous reactor 1 in the first layer as the stirring plate 3 rotates. While the hollow stirring column 4 is stirring, the transmission assembly drives the solid stirring column 6 and the stirring seat 7 thereon to rotate with the solid stirring column 6 as the center of the circle so that the petroleum resin in the continuous reactor 1 is stirred in the second layer, and the scraper 8 on the stirring plate 3 scrapes off the petroleum attached to the inner wall of the continuous reactor 1, fully stirs the petroleum resin in the continuous reactor 1, and increases the reaction speed of the mixture with hydrogen, further improving the reaction effect of the petroleum resin and hydrogen in the continuous reactor 1.

[0028] like Figure 2 As shown, the transmission assembly includes a first bevel gear 9, a fixed plate 10, a transmission column 11, a second bevel gear 12 and a first servo motor 13; the first bevel gear 9 is fixedly connected to the center position of the bottom end of the stirring plate 3; the fixed plate 10 is fixedly connected to one side of the bottom end of the fixed hollow circular plate 2; the fixed plate 10 is rotatably connected to the side close to the first bevel gear 9 with the transmission column 11; the end of the transmission column 11 close to the second bevel gear 12 is fixedly connected to the second bevel gear 12; the second bevel gear 12 is meshed with the first bevel gear 9; the end of the fixed plate 10 away from the second bevel gear 12 is fixedly connected to the first servo motor 13; the output end of the first servo motor 13 is fixedly connected to the transmission column 11. During operation, when the petroleum resin and hydrogen in the continuous reactor 1 need to be stirred, the first servo motor 13 is started so that the output end of the first servo motor 13 drives the transmission column 11 and the second bevel gear 12 to rotate, and then the second bevel gear 12 drives the first bevel gear 9 and the stirring plate 3 thereon to rotate on the fixed hollow circular plate 2, and then drives the hollow stirring column 4 and the stirring blade 5 thereon to rotate, and then drives the scraper 8 to scrape the inner wall of the continuous reactor 1, thereby increasing the reaction speed of the resin petroleum and hydrogen in the continuous reactor 1.

[0029] like Figure 3 and Figure 4As shown, the transmission assembly also includes a first transmission gear 14 and a ring gear 15; the end of the solid stirring column 6 extending into the fixed hollow circular plate 2 is fixedly connected with the first transmission gear 14; the solid stirring column 6 is rotatably connected with the stirring plate 3; the ring side of the inner side of the fixed hollow circular plate 2 is fixedly connected with the ring gear 15; the first transmission gear 14 is meshed and connected with the ring gear 15. During operation, when the first transmission gear 14 and the fixed seat 16 thereon rotate on the fixed hollow circular plate 2 along with the stirring plate 3, the first transmission gear 14 is driven to rotate with the center of the solid stirring column 6 through the connection between the first transmission gear 14 and the ring gear 15, and then the solid stirring column 6 and the stirring seat 7 thereon are driven by the first transmission gear 14 to stir the petroleum resin and hydrogen in the continuous reactor 1 in two layers, thereby improving its stirring effect and further improving its reaction effect.

[0030] like Figure 3 and Figure 4 As shown, a fixing seat 16 is fixedly connected to the bottom end of the fixed hollow circular plate 2 and the side away from the fixed plate 10; one end of the fixing seat 16 is rotatably connected to a rotating column 17; the outer side of the rotating column 17 is fixedly connected to a second transmission gear 18; the inner side of the hollow stirring column 4 is movably connected to a hydrogenation column 19; the bottom end of the hydrogenation column 19 is located on the inner side of the first bevel gear 9 and is fixedly connected to a moving rack 20; the moving rack 20 is meshingly connected to the second transmission gear 18; the other end of the fixing seat 16 is fixedly connected to a second servo motor 21; the output end of the second servo motor 21 is fixedly connected to the rotating column 17. During operation, when it is necessary to adjust the position of the hydrogenation column 19 in the hollow stirring column 4, the second servo motor 21 is started so that the output end of the second servo motor 21 drives the rotating column 17 and the second transmission gear 18 to rotate, and then the moving rack 20 drives the hydrogenation column 19 to move downward or upward in the hollow stirring column 4 through the second transmission gear 18. As shown in the figure, the interior of the first bevel gear 9 is hollow, and the hydrogenation column 19 does not contact it.

[0031] like Figure 3 and Figure 4 As shown, a plurality of first hydrogenation holes 22 are provided inside the hollow stirring column 4; and a second hydrogenation hole 23 is provided inside the hydrogenation column 19 at a position corresponding to the first hydrogenation hole 22. During operation, when the hydrogenation column 19 moves downward from the hollow stirring column 4, the second hydrogenation holes 23 on the hydrogenation column 19 are aligned with the first hydrogenation holes 22 on the hollow stirring column 4, and then hydrogen is continuously injected into the continuous reactor 1 through the first hydrogenation holes 22 and the second hydrogenation holes 23, so as to facilitate secondary hydrogenation.

[0032] like Figure 3 and Figure 4As shown, a first fixed pipe 24 is fixedly connected to one side of the bottom end of the hydrogenation column 19; a second fixed pipe 25 is fixedly connected to the bottom end of the continuous reactor 1; and a gas hose 26 is plugged and connected between the first fixed pipe 24 and the second fixed pipe 25. When working, the second fixed pipe 25 is connected to an external hydrogenation device so that hydrogen is input into the hydrogenation column 19 through the gas hose 26 and the first fixed pipe 24.

[0033] like Figure 2 and Figure 4 As shown, the material of the gas hose 26 is rubber. When working, the gas hose 26 can rebound at any time with the movement of the hydrogen column 19.

[0034] Working principle: When the petroleum resin in the continuous reactor 1 undergoes hydrogenation reaction, the transmission component is started to drive the stirring plate 3 to rotate on the fixed hollow circular plate 2, and then the hollow stirring column 4 drives the stirring blade 5 to stir the petroleum resin in the continuous reactor 1 in the first layer as the stirring plate 3 rotates. While the hollow stirring column 4 is stirring, the transmission component drives the solid stirring column 6 and the stirring seat 7 thereon to rotate with the solid stirring column 6 as the center of the circle to stir the petroleum resin in the continuous reactor 1 in the second layer, and the scraper 8 on the stirring plate 3 scrapes off the oil attached to the inner wall of the continuous reactor 1, so as to fully stir the petroleum resin in the continuous reactor 1 and improve its contact with the oil. The reaction speed of hydrogen mixing is further improved, and the reaction effect of petroleum resin and hydrogen in the continuous reactor 1 is further improved. When the petroleum resin and hydrogen in the continuous reactor 1 need to be stirred, the first servo motor 13 is started, so that the output end of the first servo motor 13 drives the transmission column 11 and the second bevel gear 12 to rotate, and then the second bevel gear 12 drives the first bevel gear 9 and the stirring plate 3 thereon to rotate on the fixed hollow circular plate 2, and then drives the hollow stirring column 4 and the stirring blade 5 thereon to rotate, and then drives the scraper 8 to scrape the inner wall of the continuous reactor 1 to improve the reaction speed of the resin petroleum and hydrogen in the continuous reactor 1. When the first transmission gear 14 and the stirring blade 5 thereon As the agitating plate 3 rotates on the fixed hollow circular plate 2, the fixed seat 16 drives the first transmission gear 14 to rotate with the center of the solid agitating column 6 through the connection between the first transmission gear 14 and the ring gear 15, and then drives the solid agitating column 6 and the stirring seat 7 thereon to stir the petroleum resin and hydrogen in the continuous reactor 1 in two layers through the first transmission gear 14, thereby improving the stirring effect and further improving the reaction effect. When it is necessary to adjust the position of the hydrogenation column 19 in the hollow agitating column 4, the second servo motor 21 is started, so that the output end of the second servo motor 21 drives the rotating column 17 and the second transmission gear 18 to rotate, and then the rack 20 is moved through the second transmission The gear 18 drives the hydrogenation column 19 to move downward or upward in the hollow stirring column 4. As shown in the figure, the interior of the first conical gear 9 is hollow, and the hydrogenation column 19 does not contact it. When the hydrogenation column 19 moves downward from the hollow stirring column 4, the second hydrogenation hole 23 on the hydrogenation column 19 is aligned with the first hydrogenation hole 22 on the hollow stirring column 4, and then hydrogen is continuously injected into the continuous reactor 1 through the first hydrogenation hole 22 and the second hydrogenation hole 23, so as to facilitate secondary hydrogenation thereof. The second fixed pipe 25 is connected to the external hydrogenation device, so that hydrogen is input into the hydrogenation column 19 through the gas hose 26 and the first fixed pipe 24, so as to facilitate the rebound operation of the gas hose 26 with the movement of the hydrogenation column 19.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A hydrogenation reaction device for hydrogenated petroleum resin, comprising a continuous reactor (1), characterized in that: The bottom end of the inner side of the continuous reactor (1) is fixedly connected to a fixed hollow circular plate (2); the top end of the fixed hollow circular plate (2) is rotatably connected to a stirring plate (3); the center position of the stirring plate (3) is fixedly connected to a hollow stirring column (4); the ring side of the hollow stirring column (4) is fixedly connected to a plurality of stirring blades (5); one side of the top end of the stirring plate (3) is fixedly connected to a scraper (8); the scraper (8) is in contact with the inner wall of the continuous reactor (1); a solid stirring column (6) is arranged between the hollow stirring column (4) and the scraper (8); the ring side of the solid stirring column (6) is fixedly connected to a plurality of stirring seats (7); the bottom end of the solid stirring column (6) passes through the stirring plate (3) and extends to the inner side of the fixed hollow circular plate (2); a reaction tube (27) is arranged at the top end of the continuous reactor (1); A transmission assembly; which is arranged at the bottom end of the fixed hollow circular plate (2); the transmission assembly is used in conjunction with the stirring plate (3), the hollow stirring column (4) and the solid stirring column (6).

2. A hydrogenation reaction device for hydrogenated petroleum resin according to claim 1, characterized in that: The transmission assembly comprises a first bevel gear (9), a fixed plate (10), a transmission column (11), a second bevel gear (12) and a first servo motor (13); the first bevel gear (9) is fixedly connected to the center position of the bottom end of the stirring plate (3); the fixed plate (10) is fixedly connected to one side of the bottom end of the fixed hollow circular plate (2); the transmission column (11) is rotatably connected to the side of the fixed plate (10) close to the first bevel gear (9); the end of the transmission column (11) close to the second bevel gear (12) is fixedly connected to the second bevel gear (12); the second bevel gear (12) is meshingly connected to the first bevel gear (9); the first servo motor (13) is fixedly connected to one end of the fixed plate (10) away from the second bevel gear (12); the output end of the first servo motor (13) is fixedly connected to the transmission column (11).

3. A hydrogenation reaction device for hydrogenated petroleum resin according to claim 2, characterized in that: The transmission assembly further comprises a first transmission gear (14) and a ring gear (15); the end of the solid stirring column (6) extending into the fixed hollow circular plate (2) is fixedly connected to the first transmission gear (14); the solid stirring column (6) is rotationally connected to the stirring plate (3); the ring side inside the fixed hollow circular plate (2) is fixedly connected to the ring gear (15); the first transmission gear (14) is meshingly connected to the ring gear (15).

4. A hydrogenation reaction device for hydrogenated petroleum resin as claimed in claim 2, characterized in that: A fixing seat (16) is fixedly connected to the bottom end of the fixed hollow circular plate (2) and on the side away from the fixing plate (10); one end of the fixing seat (16) is rotatably connected to a rotating column (17); a second transmission gear (18) is fixedly connected to the outer side of the rotating column (17); a hydrogenation column (19) is movably connected to the inner side of the hollow stirring column (4); the bottom end of the hydrogenation column (19) is located on the inner side of the first bevel gear (9) and is fixedly connected to a moving rack (20); the moving rack (20) is meshingly connected to the second transmission gear (18); the other end of the fixing seat (16) is fixedly connected to a second servo motor (21); and the output end of the second servo motor (21) is fixedly connected to the rotating column (17).

5. A hydrogenation reaction device for hydrogenated petroleum resin according to claim 4, characterized in that: A plurality of first hydrogenation holes (22) are provided inside the hollow stirring column (4); and second hydrogenation holes (23) are provided inside the hydrogenation column (19) at positions corresponding to the first hydrogenation holes (22).

6. A hydrogenation reaction device for hydrogenated petroleum resin as claimed in claim 4, characterized in that: A first fixed pipe (24) is fixedly connected to one side of the bottom end of the hydrogenation column (19); a second fixed pipe (25) is fixedly connected to the bottom end of the continuous reactor (1); and a gas delivery hose (26) is plugged and connected between the first fixed pipe (24) and the second fixed pipe (25).

7. A hydrogenation reaction device for hydrogenated petroleum resin as claimed in claim 6, characterized in that: The gas delivery hose (26) is made of rubber.

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