Uniform catalyst distribution equipment for catalytic cracking device

Abstract

The utility model relates to the technical field of catalytic cracking, and discloses uniform catalyst distribution equipment for a catalytic cracking device, which comprises a distributor barrel, one end of the distributor barrel is fixedly connected with an input pipe, the top of the distributor barrel is fixedly connected with two mounting shells, the tops of the mounting shells are provided with motors, and the motors are connected with the input pipe. The output end of the motor is fixedly connected with a rotating rod, the periphery of one end, far away from the motor, of the rotating rod is fixedly connected with a stirring rod, the periphery of the stirring rod is rotatably connected with a gear I, the periphery of the stirring rod is rotatably connected with a rotating shaft, and the bottom of the rotating shaft is fixedly connected to the top of the distributor cylinder. According to the utility model, the two motors are started to drive the two stirring blades to stir a catalyst in the distributor cylinder, so that the catalyst is uniformly distributed in the distributor cylinder, and the catalyst flows out of the impingement plate through the distribution pipe to be buffered, so that the catalyst can be fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of catalytic cracking, in particular to a catalyst uniform distribution device for a catalytic cracking device. Background Art

[0002] Catalytic cracking technology is an important process in the petroleum refining industry, used to convert heavy crude oil fractions into more valuable light hydrocarbons and gasoline components. Catalytic cracking technology is mainly used to produce high-octane gasoline components, which play an important role in improving engine performance and reducing exhaust emissions.

[0003] Catalyst uniform distribution equipment is an important component of the catalytic cracking unit. Its structural design and function have a significant impact on the efficiency of the catalytic cracking reaction and the utilization rate of the catalyst. Effective catalyst distribution can ensure the consistency of the quality and composition of the reaction products, thereby improving the quality and market competitiveness of the products produced.

[0004] In the existing technology, the catalyst is unevenly distributed. If the catalyst distribution equipment is uneven, the catalyst concentration in each area will be inconsistent, which will lead to uneven quality and composition of the reaction products. Therefore, a catalyst uniform distribution equipment for catalytic cracking device 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 catalyst uniform distribution device for a catalytic cracking device, aiming to improve the problem of uneven catalyst distribution in the prior art distribution device.

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

[0007] A catalyst uniform distribution device for a catalytic cracking device comprises a distributor cylinder, one end of the distributor cylinder is fixedly connected to an input pipe, two mounting shells are fixedly connected to the top of the distributor cylinder, a motor is arranged on the top of the mounting shell, a rotating rod is fixedly connected to the output end of the motor, a stirring rod is fixedly connected to the outer periphery of the end of the rotating rod away from the motor, a gear 1 is rotatably connected to the outer periphery of the stirring rod, a rotating shaft is rotatably connected to the outer periphery of the stirring rod, the bottom of the rotating shaft is fixedly connected to the top of the distributor cylinder, a stirring blade is fixedly connected to the end of the stirring rod away from the rotating rod, a belt pulley is fixedly connected to the outer periphery of the rotating rod, the belt pulley is fixedly connected to the inside of the mounting shell, a connecting rod is fixedly connected to the inside of the side of the belt pulley away from the rotating rod, a gear 2 is fixedly connected to the outer periphery of the connecting rod, the gear 2 is meshingly connected to the gear 1, a protective component is arranged inside the distributor cylinder, and the protective component can make the distributor cylinder more corrosion-resistant and pressure-resistant;

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

[0009] The protection component comprises a pressure-resistant layer, the inner wall of the distributor cylinder is coated on the outer periphery of the pressure-resistant layer, the inner wall of the pressure-resistant layer is coated with an anti-corrosion layer, a plurality of evenly distributed distribution pipes are fixedly connected to the bottom of the distributor cylinder, and an anti-collision plate is arranged inside the distribution pipe;

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

[0011] A fixing frame is fixedly connected to one side of the motor, and the bottom of the fixing frame is fixedly connected to the top of the mounting shell;

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

[0013] A slide valve is fixedly connected to the outer periphery of the input pipe;

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

[0015] A fixing block is fixedly connected to the outer periphery of the rotating shaft, and one end of the connecting rod away from the belt pulley is rotatably connected to the top of the fixing block;

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

[0017] The outer periphery of one end of the distributor cylinder away from the input pipe is fixedly connected to a support beam, and the material of the support beam is channel steel;

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

[0019] The distributor cylinder is provided with a plurality of evenly distributed holes;

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

[0021] The material of the anti-corrosion layer is plastic lining, and the material of the pressure-resistant layer is alloy steel.

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

[0023] 1. In the utility model, two motors are started first, and the motor driving end can drive the rotating rod to rotate, and the rotation of the rotating rod drives the belt group wheel to rotate, and at the same time drives the stirring rod to rotate around the rotating rod, and the rotation of the stirring rod drives the stirring blade to rotate, and the rotation of the belt group wheel drives the connecting rod and gear 2 to rotate, and the rotation of gear 2 drives gear 1 to rotate, and the rotation of gear 1 can drive the stirring blade to rotate. The stirring blade stirs the catalyst inside the distributor cylinder through rotation and rotation, so that the catalyst can be evenly distributed inside the distributor cylinder, thereby achieving the effect of even distribution of the catalyst.

[0024] 2. In the utility model, the inner wall of the distributor cylinder is composed of a pressure-resistant layer and an anti-corrosion layer. The pressure-resistant layer can make the distributor cylinder still have good bearing capacity under high temperature and high pressure environment, and the anti-corrosion layer can make the distributor cylinder have higher chemical stability and corrosion resistance. The catalyst flows out through a plurality of evenly distributed distribution pipes, and the anti-collision plate 9 buffers the catalyst to play a role of secondary even distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a catalyst uniform distribution device for a catalytic cracking device proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a mounting shell for a catalyst uniform distribution device for a catalytic cracking device proposed by the utility model;

[0027] Figure 3 The utility model is a schematic diagram of the structure of a distributor cylinder for a catalyst uniform distribution device of a catalytic cracking device.

[0028] Legend:

[0029] 1. Input pipe; 2. Sliding valve; 3. Distributor cylinder; 4. Support beam; 5. Motor; 6. Fixed frame; 7. Mounting shell; 8. Distribution pipe; 9. Anti-collision plate; 10. Rotating rod; 11. Belt pulley; 12. Stirring rod; 13. Gear 1; 14. Stirring blade; 15. Connecting rod; 16. Gear 2; 17. Fixed block; 18. Rotating shaft; 19. Anti-corrosion layer; 20. Anti-pressure layer. 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 2The utility model provides an embodiment: a catalyst uniform distribution device for a catalytic cracking device, comprising a distributor cylinder 3, the distributor cylinder 3 is used to store catalyst, one end of the distributor cylinder 3 is fixedly connected to an input pipe 1, the catalyst enters the distributor cylinder 3 through the input pipe 1, the top of the distributor cylinder 3 is fixedly connected to two mounting shells 7, the mounting shell 7 is used to mount a motor 5, the top of the mounting shell 7 is provided with a motor 5, the output end of the motor 5 is fixedly connected to a rotating rod 10, starting the output end of the motor 5 can drive the rotating rod 10 to rotate, the outer periphery of the rotating rod 10 away from the motor 5 is fixedly connected to a stirring rod 12, when the rotating rod 10 rotates, the stirring rod 12 is driven to rotate around the rotating rod 10, the outer periphery of the stirring rod 12 is connected to a gear 13, the rotation of the stirring rod 12 can cause the gear 13 to rotate, the outer periphery of the stirring rod 12 is connected to a rotating rod 10 The shaft 18 can make the stirring rod 12 more stable when rotating. The bottom of the rotating shaft 18 is fixedly connected to the top of the distributor cylinder 3. The stirring rod 12 is fixedly connected to the end away from the rotating rod 10 with a stirring blade 14. When the stirring rod 12 rotates, it drives the stirring blade 14 to rotate. The outer periphery of the rotating rod 10 is fixedly connected to the belt group pulley 11. The rotation of the rotating rod 10 drives the belt group pulley 11 to rotate. The outer periphery of the belt group pulley 11 is fixedly connected to the inside of the mounting shell 7. The side of the belt group pulley 11 away from the rotating rod 10 is fixedly connected to the inside of the belt group pulley 15. The rotation of the belt group pulley 11 can drive the connecting rod 15 to rotate. The outer periphery of the connecting rod 15 is fixedly connected to the gear 2 16. The gear 2 16 is meshed with the gear 1 13. The rotation of the gear 2 16 drives the gear 1 13 to rotate. The rotation of the gear 1 13 drives the stirring blade 14 to rotate, so that the catalyst is evenly distributed inside the distributor cylinder 3.

[0032] Reference Figure 2-Figure 3 A protective component is arranged inside the distributor cylinder 3, which can make the distributor cylinder 3 more corrosion-resistant and pressure-resistant. The protective component includes a pressure-resistant layer 20, which can make the distributor cylinder 3 more pressure-resistant. The inner wall of the distributor cylinder 3 is coated on the outer periphery of the pressure-resistant layer 20, and the inner wall of the pressure-resistant layer 20 is coated with an anti-corrosion layer 19, which can make the distributor cylinder 3 more corrosion-resistant. A plurality of evenly distributed distribution pipes 8 are fixedly connected to the bottom of the distributor cylinder 3, and the catalyst flows out through the plurality of evenly distributed distribution pipes 8. An anti-collision plate 9 is arranged inside the distribution pipe 8, which can play a role in catalyst buffering and secondary even distribution.

[0033] Reference Figure 1 , Figure 2 and Figure 3A fixing frame 6 is fixedly connected to one side of the motor 5, and the fixing frame 6 is used to install the motor 5. The bottom of the fixing frame 6 is fixedly connected to the top of the installation shell 7 to prevent the fixing frame 6 from moving when the motor 5 is running. A slide valve 2 is fixedly connected to the periphery of the input pipe 1, and the slide valve 2 can adjust the flow rate of the catalyst. A fixing block 17 is fixedly connected to the periphery of the rotating shaft 18. The fixing block 17 is used to install the connecting rod 15. The end of the connecting rod 15 away from the belt group pulley 11 is rotatably connected to the top of the fixing block 17. The connecting rod 15 rotates on the top of the fixing block 17. The outer periphery of the end of the distributor cylinder 3 away from the input pipe 1 The support beam 4 is fixedly connected and used for installing the distributor cylinder 3. The support beam 4 is made of channel steel, which can make the support beam 4 have higher load-bearing capacity and stability. A plurality of evenly distributed holes are opened inside the distributor cylinder 3, and the catalyst can flow out of the distributor cylinder 3 through the plurality of evenly distributed holes. The anti-corrosion layer 19 is made of plastic lining, which can make the anti-corrosion layer 19 have higher chemical stability and corrosion resistance. The pressure-resistant layer 20 is made of alloy steel, which can make the pressure-resistant layer 20 have good strength in a high temperature and high pressure environment.

[0034] Working principle: When the device is needed, first open the slide valve 2 to allow the catalyst to flow into the distributor cylinder 3 through the input pipe 1, and then start the two motors 5. The driving end of the motor 5 can drive the rotating rod 10 to rotate. The rotating rod 10 drives the belt group wheel 11 to rotate by rotating, and at the same time drives the stirring rod 12 to rotate around the rotating rod 10. The stirring rod 12 rotates and drives the stirring blade 14 to rotate. The belt group wheel 11 rotates and drives the connecting rod 15 and the gear 2 16 to rotate. The gear 2 16 rotates and drives the gear 1 13 to rotate. The gear 13 rotates and drives the stirring blade 14 to rotate. The stirring blade 1 The catalyst inside the distributor cylinder 3 is stirred by rotating and turning, so that the catalyst can be evenly distributed inside the distributor cylinder 3. The catalyst then flows out through a plurality of evenly distributed distribution pipes 8, and the catalyst is buffered by the anti-collision plate 9 to achieve a secondary even distribution effect. The inner wall of the distributor cylinder 3 is composed of a pressure-resistant layer 20 and an anti-corrosion layer 19. The pressure-resistant layer 20 is made of alloy steel, which can make the distributor cylinder 3 have good bearing capacity under high temperature and high pressure environment. The anti-corrosion layer 19 is made of plastic lining, which can make the distributor cylinder 3 have higher chemical stability and corrosion resistance.

[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 catalyst uniform distribution device for a catalytic cracking device, comprising a distributor cylinder (3), characterized in that: One end of the distributor cylinder (3) is fixedly connected to an input pipe (1), the top of the distributor cylinder (3) is fixedly connected to two mounting shells (7), a motor (5) is arranged on the top of the mounting shell (7), a rotating rod (10) is fixedly connected to the output end of the motor (5), an agitating rod (12) is fixedly connected to the outer periphery of one end of the rotating rod (10) away from the motor (5), a gear 1 (13) is rotatably connected to the outer periphery of the agitating rod (12), a rotating shaft (18) is rotatably connected to the outer periphery of the agitating rod (12), the bottom of the rotating shaft (18) is fixedly connected to the top of the distributor cylinder (3), and the agitating rod (12) is far away from the outer periphery of the gear 1 (13). A stirring blade (14) is fixedly connected to one end of the rotating rod (10), a belt pulley (11) is fixedly connected to the outer periphery of the rotating rod (10), the outer periphery of the belt pulley (11) is fixedly connected to the inside of the mounting shell (7), a connecting rod (15) is fixedly connected to the inside of the side of the belt pulley (11) away from the rotating rod (10), a gear 2 (16) is fixedly connected to the outer periphery of the connecting rod (15), the gear 2 (16) is meshingly connected to the gear 1 (13), and a protective component is arranged inside the distributor cylinder (3), the protective component can make the distributor cylinder (3) more corrosion-resistant and pressure-resistant.

2. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: The protective component comprises a pressure-resistant layer (20), the inner wall of the distributor cylinder (3) is coated on the periphery of the pressure-resistant layer (20), the inner wall of the pressure-resistant layer (20) is coated with an anti-corrosion layer (19), a plurality of evenly distributed distribution pipes (8) are fixedly connected to the bottom of the distributor cylinder (3), and an anti-collision plate (9) is arranged inside the distribution pipe (8).

3. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: A fixing frame (6) is fixedly connected to one side of the motor (5), and the bottom of the fixing frame (6) is fixedly connected to the top of the mounting shell (7).

4. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: A slide valve (2) is fixedly connected to the outer periphery of the input pipe (1).

5. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: A fixing block (17) is fixedly connected to the outer periphery of the rotating shaft (18), and one end of the connecting rod (15) away from the belt pulley (11) is rotatably connected to the top of the fixing block (17).

6. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: The outer periphery of one end of the distributor cylinder (3) away from the input pipe (1) is fixedly connected to a support beam (4), and the material of the support beam (4) is channel steel.

7. The catalyst uniform distribution device for a catalytic cracking device according to claim 1, characterized in that: The distributor cylinder (3) is provided with a plurality of evenly distributed holes.

8. The catalyst uniform distribution device for a catalytic cracking device according to claim 2, characterized in that: The anti-corrosion layer (19) is made of a plastic lining, and the pressure-resistant layer (20) is made of alloy steel.

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