Catalytic cracking device for reducing olefin in stable gasoline and increasing yield of propylene

Abstract

The utility model relates to the technical field of gasoline processing, and discloses a catalytic cracking device for reducing and stabilizing gasoline olefin and increasing propylene yield, which comprises a barrel body, the top side of the barrel body is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the upper end and the lower end of the rotating shaft are fixedly connected with stirring rods. Two stirring plates are fixedly connected to the middle of the rotating shaft, two sliding rods are slidably connected to the interiors of the two stirring plates, the opposite sides of the multiple sliding rods are fixedly connected to the rotating shaft, and scraping plates are slidably connected to the sides, away from the rotating shaft, of the interiors of the two stirring plates; and two pressure springs are fixedly connected to the opposite sides of the two scraping plates. According to the stirring device, under the cooperation of the motor, the rotating shaft, the stirring rod, the stirring plate, the pressure spring and the sliding rod, the motor is started to drive the rotating shaft to rotate, the rotating shaft rotates to drive the stirring rod and the stirring plate to rotate, and the stirring plate can stretch and rebound under the elastic force of the pressure spring, so that the uniform stirring effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of gasoline processing, in particular to a catalytic cracking device for reducing olefins in stable gasoline and increasing the production of propylene. Background Art

[0002] Gasoline catalytic cracking units are equipment used to crack heavy hydrocarbon molecules in gasoline into lighter hydrocarbon compounds. These units are commonly used in the oil refining industry and are designed to convert large molecular hydrocarbons in gasoline into smaller molecular hydrocarbon products such as propylene, butylene, butane, etc. through chemical reactions;

[0003] First, the gasoline raw material and catalyst are introduced into the reactor through the pipeline system. Then, in the reactor, the catalyst causes the long-chain hydrocarbon molecules in the gasoline to crack into shorter hydrocarbon compounds. The mixture produced by the cracking reaction is processed by the product separation system to separate the target product. Finally, the reactor and related equipment are inspected and maintained to ensure that the equipment can operate normally when it is started next time;

[0004] In the prior art, the gasoline catalytic cracking device cannot evenly mix the raw materials, which will cause the raw material concentration in some areas to be higher than that in other areas, affecting the uniformity and efficiency of the reaction. Therefore, a catalytic cracking device for reducing stable gasoline olefins and increasing propylene production is proposed to solve the above problem. Summary of the invention

[0005] In order to make up for the above shortcomings, the utility model provides a catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production, aiming to improve the problem that the gasoline catalytic cracking device in the prior art cannot evenly mix the raw materials.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production, comprising a barrel body, a motor is fixedly connected to the top side of the barrel body, a rotating shaft is fixedly connected to the output end of the motor, stirring rods are fixedly connected to the upper and lower ends of the rotating shaft, two stirring plates are fixedly connected to the middle of the rotating shaft, two sliding rods are slidably connected to the inside of the two stirring plates, and the opposite sides of the plurality of sliding rods are fixedly connected to the rotating shaft, a scraper is slidably connected to the inside of the two stirring plates away from the rotating shaft, and two compression springs are fixedly connected to the opposite sides of the two scrapers, and the plurality of compression springs are sleeved It is arranged on the periphery of a plurality of the sliding rods, and the plurality of the sliding rods are all slidably connected in the scraper, the bottom side of the barrel body is fixedly connected with a bottom plate, the bottom right side of the barrel body is fixedly connected with a discharge pipe, the upper and lower sides of the barrel body are fixedly connected with a plurality of evenly distributed heating blocks, the right end of the discharge pipe is fixedly connected with a fractionating tower, the bottom side of the fractionating tower is fixedly connected to the top side of the bottom plate, the right side of the bottom of the fractionating tower is fixedly connected with a solenoid valve, the right side of the top of the fractionating tower is fixedly connected with a discharge pipe, and a circulating heating component is arranged on the left side of the barrel body, and the circulating heating component is used to heat the material in the barrel;

[0008] As a further description of the above technical solution:

[0009] The circulating heating component includes an air pump, a suction pipe is fixedly connected to the bottom side of the air pump, one end of the suction pipe is fixedly connected to the bottom of the left side of the barrel body, one end of the suction pipe passes through the barrel body, a connecting pipe is fixedly connected to the top side of the air pump, a bellows is fixedly connected to the top of the connecting pipe, the top of the connecting pipe passes through the bellows, an air inlet pipe is fixedly connected to the top side of the bellows, one end of the air inlet pipe passes through the barrel body, a filter is slidably connected to the inside of the bellows, a slide groove is provided on the rear side of the bellows, the filter slides in the slide groove, and a disassembly component is provided on the left side of the bellows, and the disassembly component is used to disassemble the filter;

[0010] As a further description of the above technical solution:

[0011] The disassembly assembly includes a connecting shell, the right side of the connecting shell is fixedly connected to the left side of the bellows, a pull plate is slidably connected inside the connecting shell, the right side of the pull plate is slidably connected to the left side inside the filter screen, a spring is sleeved on the outer periphery of the pull plate, the right side of the spring is fixedly connected to a baffle, and the middle part of the baffle is fixedly connected to the outer periphery of the pull plate;

[0012] As a further description of the above technical solution:

[0013] The bottom end of the rotating shaft is rotatably connected to a support frame, and the left and right ends of the support frame are fixedly connected to the bottom side of the barrel body;

[0014] As a further description of the above technical solution:

[0015] The top side of the barrel body is fixedly connected with a feed port;

[0016] As a further description of the above technical solution:

[0017] A stopper is slidably connected to the right end of the bottom side of the filter screen;

[0018] As a further description of the above technical solution:

[0019] A switch is fixedly connected to the right side of the bottom of the barrel;

[0020] As a further description of the above technical solution:

[0021] A pulling block is fixedly connected to the left side of the pulling plate.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the motor is started to drive the rotating shaft to rotate, and the rotation of the rotating shaft will drive the upper and lower stirring rods to rotate. At the same time, the rotation of the rotating shaft will also drive the stirring plate to rotate and stir. When the stirring plate rotates, it will drive the scraper to rotate. When the scraper rotates, it can clean the inner wall of the barrel while stirring. At the same time, the scraper can be extended and retracted by a spring. When the scraper is extended and retracted, it can slide on the sliding rod to reduce the wear of the scraper, so as to achieve a uniform stirring effect through the rotation of the stirring plate and the stirring rod.

[0024] 2. In the utility model, with the cooperation of the heating block, air pump, suction pipe, connecting pipe, bellows, filter and air inlet pipe, the heating block is started to heat the barrel, so that hot air is generated in the barrel, and then the air pump is started. The air pump will suck the hot air in the barrel through the suction pipe, and then the air pump will discharge the sucked hot air into the bellows through the connecting pipe. The filter in the bellows will filter the hot air, and the filtered hot air will be discharged into the barrel through the air inlet pipe, and finally will be sucked in by the suction pipe, forming a cycle, so that the problem of circulating heating can be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production, which is proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a stirring plate of a catalytic cracking device for reducing stable gasoline olefins and increasing propylene production, which is proposed in the utility model;

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0028] Legend:

[0029] 1. Barrel body; 2. Motor; 3. Rotating shaft; 4. Stirring rod; 5. Stirring plate; 6. Sliding rod; 7. Scraper; 8. Compression spring; 9. Bottom plate; 10. Discharge pipe; 11. Distillation tower; 12. Air pump; 13. Intake pipe; 14. Connecting pipe; 15. Bellows; 16. Inlet pipe; 17. Heating block; 18. Filter; 19. Connecting shell; 20. Pull plate; 21. Spring; 22. Block; 23. Pull block; 24. Support frame; 25. Feed port; 26. Discharge pipe; 27. Switch; 28. Solenoid valve; 29. ​​Block. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-Figure 2 The utility model provides an embodiment: a catalytic cracking device for reducing stable gasoline olefins and increasing propylene production, comprising a barrel body 1, the barrel body 1 is used to provide a stirring space, a motor 2 is fixedly connected to the top side of the barrel body 1, the motor 2 is used to provide power, a rotating shaft 3 is fixedly connected to the output end of the motor 2, the upper and lower ends of the rotating shaft 3 are fixedly connected to stirring rods 4, the rotating shaft 3 is used to connect the motor 2 and the stirring rod 4, two stirring plates 5 are fixedly connected to the middle of the rotating shaft 3, the rotation of the rotating shaft 3 will drive the stirring plates 5 to rotate, the two stirring plates 5 are slidably connected to two sliding rods 6 inside, the sliding rods 6 can play a supporting role, the opposite sides of the multiple sliding rods 6 are fixedly connected to the rotating shaft 3, the two stirring plates 5 are slidably connected to the side away from the rotating shaft 3, the scraper 7 plays a cleaning role, the two scrapers 7 are fixedly connected to the opposite sides with two compression springs 8, the compression spring 8 can generate elastic force, and the multiple compression springs 8 are It is sleeved on the outer periphery of multiple sliding rods 6, and multiple sliding rods 6 are all slidably connected in the scraper 7. The bottom side of the barrel body 1 is fixedly connected to a bottom plate 9, and the bottom plate 9 plays a fixing role. A discharge pipe 10 is fixedly connected to the bottom right side of the barrel body 1, and the discharge pipe 10 can discharge the material in the barrel body 1. Multiple evenly distributed heating blocks 17 are fixedly connected to the upper and lower sides of the barrel body 1, and the heating blocks 17 play a heating role. The right end of the discharge pipe 10 is fixedly connected to a distillation tower 11, and the distillation tower 11 can separate the materials. The bottom side of the distillation tower 11 is fixedly connected to the top side of the bottom plate 9, and a solenoid valve 28 is fixedly connected to the right side of the bottom of the distillation tower 11, and the solenoid valve 28 can control the discharge of the material in the distillation tower 11. A discharge pipe 26 is fixedly connected to the right side of the top of the distillation tower 11, and the discharge pipe 26 can discharge the material in the distillation tower 11. A circulating heating component is arranged on the left side of the barrel body 1, and the circulating heating component is used to heat the material in the barrel.

[0032] Reference Figure 2 The circulating heating component includes an air pump 12, which can inhale and discharge air. An air suction pipe 13 is fixedly connected to the bottom side of the air pump 12, one end of the air suction pipe 13 is fixedly connected to the bottom of the left side of the barrel body 1, and one end of the air suction pipe 13 passes through the barrel body 1. The air suction pipe 13 can inhale the air in the barrel body 1 into the air pump 12. A connecting pipe 14 is fixedly connected to the top side of the air pump 12, and a bellows 15 is fixedly connected to the top of the connecting pipe 14. The top of the connecting pipe 14 passes through the bellows 15, and the air pump 12 can The air is discharged into the bellows 15 through the connecting pipe 14, and an air intake pipe 16 is fixedly connected to the top side of the bellows 15. One end of the air intake pipe 16 passes through the barrel body 1. The bellows 15 can discharge the air into the barrel body 1 through the air intake pipe 16. A filter 18 is slidably connected to the inside of the bellows 15, and the filter 18 can filter dust in the air. A slide groove is provided on the rear side of the bellows 15, and the filter 18 slides in the slide groove. A disassembly component is provided on the left side of the bellows 15, and the disassembly component is used to disassemble the filter 18.

[0033] Reference Figure 1-Figure 3 The top side of the barrel body 1 is fixedly connected with a feed port 25, and the discharge port 25 is used to put the material into the barrel body 1. A switch 27 is fixedly connected to the right side of the bottom of the barrel body 1, and the switch 27 can control the discharge of the material in the barrel body 1. The bottom end of the rotating shaft 3 is rotatably connected with a support frame 24, and the left and right ends of the support frame 24 are fixedly connected to the bottom side of the barrel body 1. The support frame 24 can be used to support the rotating shaft 3. The right end of the bottom side of the filter screen 18 is slidably connected with a stopper 29, and the stopper 29 can prevent one side of the filter screen 18 from sliding off. The disassembly assembly includes a connecting shell 19, and the right side of the connecting shell 19 is fixedly connected On the left side of the bellows 15, a connecting shell 19 can play a role of connection and fixing. A pull plate 20 is slidably connected inside the connecting shell 19. The right side of the pull plate 20 is slidably connected to the left side of the filter 18. The pull plate 20 can fix the filter 18. A spring 21 is sleeved on the outer periphery of the pull plate 20. The spring 21 can generate elastic force when squeezed. A baffle 22 is fixedly connected to the right side of the spring 21. The movement of the baffle 22 will squeeze the spring 21. The middle part of the baffle 22 is fixedly connected to the outer periphery of the pull plate 20. A pull block 23 is fixedly connected to the left side of the pull plate 20. The pull block 23 can facilitate the movement of the pull plate 20.

[0034] Working principle: when the equipment needs to be used, first put the catalyst and gasoline raw materials into the barrel body 1 through the feed port 25, and then start the motor 2 to drive the rotating shaft 3 to rotate. The rotation of the rotating shaft 3 will drive the upper and lower stirring rods 4 to rotate. At the same time, the rotation of the rotating shaft 3 will also drive the stirring plate 5 to rotate and stir. When the stirring plate 5 rotates, it will drive the scraper 7 to rotate. When the scraper 7 rotates, it can clean the residual material on the inner wall of the barrel body 1 while stirring to avoid waste of materials. At the same time, the scraper 7 can be extended and retracted by the compression spring 8. When the scraper 7 is extended and retracted, it can slide on the slide bar 6 to reduce the wear of the scraper 7, so as to achieve the effect of uniform stirring through the rotation of the stirring plate 5 and the stirring rod 4. While stirring, the heating block 17 can be started for heating to generate hot air in the barrel body 1, and then the air pump 12 can be started. The air pump 12 will suck the hot air in the barrel body 1 through the intake pipe 13, and then the air pump 12 will discharge the sucked hot air into the bellows 15 through the connecting pipe 14. The filter screen 18 in the bellows 15 will filter the hot air, and the filtered hot air will be discharged into the barrel body 1 through the air inlet pipe 16, and finally will be sucked into the intake pipe 13 to form a cycle heating. When the stirring is completed, the switch 27 can be turned on to discharge the mixed material in the barrel body 1 into the distillation tower 11 through the discharge pipe 10 for separation and purification. After separation, the separated and purified gas is collected through the discharge pipe 26 by the solenoid valve 28.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production, comprising a barrel (1), characterized in that: The top side of the barrel (1) is fixedly connected to a motor (2), the output end of the motor (2) is fixedly connected to a rotating shaft (3), the upper and lower ends of the rotating shaft (3) are fixedly connected to stirring rods (4), the middle of the rotating shaft (3) is fixedly connected to two stirring plates (5), the insides of the two stirring plates (5) are slidably connected to two sliding rods (6), the opposite sides of the plurality of sliding rods (6) are fixedly connected to the rotating shaft (3), the insides of the two stirring plates (5) away from the rotating shaft (3) are slidably connected to a scraper (7), the opposite sides of the two scrapers (7) are fixedly connected to two compression springs (8), the plurality of compression springs (8) are sleeved on the outer circumferences of the plurality of sliding rods (6), and the plurality of sliding rods (6) are fixedly connected to the rotating shaft (3). The rods (6) are all slidably connected in the scraper (7); the bottom side of the barrel body (1) is fixedly connected to a bottom plate (9); the bottom right side of the barrel body (1) is fixedly connected to a discharge pipe (10); the upper and lower sides of the barrel body (1) are fixedly connected to a plurality of evenly distributed heating blocks (17); the right end of the discharge pipe (10) is fixedly connected to a fractionating tower (11); the bottom side of the fractionating tower (11) is fixedly connected to the top side of the bottom plate (9); the right side of the bottom of the fractionating tower (11) is fixedly connected to a solenoid valve (28); the right side of the top of the fractionating tower (11) is fixedly connected to a discharge pipe (26); and a circulating heating component is arranged on the left side of the barrel body (1); the circulating heating component is used to heat the material in the barrel.

2. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 1, characterized in that: The circulating heating component comprises an air pump (12), the bottom side of the air pump (12) is fixedly connected to an air intake pipe (13), one end of the air intake pipe (13) is fixedly connected to the bottom of the left side of the barrel body (1), one end of the air intake pipe (13) passes through the barrel body (1), the top side of the air pump (12) is fixedly connected to a connecting pipe (14), the top end of the connecting pipe (14) is fixedly connected to a bellows (15), the top end of the connecting pipe (14) passes through the bellows (15), the top side of the bellows (15) is fixedly connected to an air intake pipe (16), one end of the air intake pipe (16) passes through the barrel body (1), a filter screen (18) is slidably connected to the inside of the bellows (15), a slide groove is provided on the rear side of the bellows (15), the filter screen (18) slides in the slide groove, and a disassembly component is provided on the left side of the bellows (15), the disassembly component is used to disassemble the filter screen (18).

3. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 2, characterized in that: The disassembly assembly comprises a connecting shell (19), the right side of the connecting shell (19) being fixedly connected to the left side of the bellows (15), a pull plate (20) being slidably connected inside the connecting shell (19), the right side of the pull plate (20) being slidably connected to the left side inside the filter screen (18), a spring (21) being sleeved on the outer periphery of the pull plate (20), a baffle (22) being fixedly connected to the right side of the spring (21), and the middle portion of the baffle (22) being fixedly connected to the outer periphery of the pull plate (20).

4. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 1, characterized in that: The bottom end of the rotating shaft (3) is rotatably connected to a support frame (24), and the left and right ends of the support frame (24) are fixedly connected to the bottom side of the barrel body (1).

5. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 1, characterized in that: A feed inlet (25) is fixedly connected to the top side of the barrel body (1).

6. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 2, characterized in that: A stopper (29) is slidably connected to the right end of the bottom side of the filter screen (18).

7. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 1, characterized in that: A switch (27) is fixedly connected to the right side of the bottom of the barrel (1).

8. A catalytic cracking device for reducing olefins in stable gasoline and increasing propylene production according to claim 3, characterized in that: A pull block (23) is fixedly connected to the left side of the pull plate (20).

Images