MTO reactor catalyst resource recycling device
By designing the catalyst resource recycling device of the MTO reactor, using the discharge valve, material transfer system and steam activation technology, the problem of difficult catalyst recycling is solved, and efficient catalyst recycling and resource recycling is achieved.
Patent Information
- Application Number
- CN202421684465.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-16
AI Technical Summary
In the prior art, MTO reactor catalysts are difficult to effectively recycle and utilize after they lose their activity, resulting in waste of resources.
A catalyst resource recycling device for MTO reactor is designed. Through discharge valves, discharge pipelines, catalyst recovery tanks, motor-driven material transfer systems and steam conveying devices, efficient collection and reactivate of catalysts to generate renewable gases.
Efficient recovery and regeneration of catalysts are achieved, resource waste is avoided, resource utilization is improved, and the purity of the generated gas is maintained.
Smart Images
Figure CN223170868U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chemical resource recovery, and particularly relates to a device for resource recovery of MTO reactor catalyst. Background Technique
[0002] The MTO reactor catalyst is a key component in the methanol-to-olefins (MTO) process. The MTO technology mainly uses methanol or dimethyl ether as raw materials and produces light olefins such as ethylene and propylene through specific catalysts and reaction processes. The catalyst loses its activity during the reaction process. In order to avoid waste, the deactivated catalyst can be recycled to achieve full utilization of resources. To meet the above needs, a device for catalyst resource recovery is required. Content of the Utility Model
[0003] (1) Technical Problems to be Solved
[0004] In view of the deficiencies of the prior art, the utility model provides a device for resource recovery of MTO reactor catalyst, which has the advantages of being convenient for secondary recycling of the catalyst, enabling it to react fully, saving losses, and realizing resource recovery, and solves the above technical problems.
[0005] (2) Technical Solutions
[0006] To achieve the above object, the utility model provides the following technical solution: A device for resource recovery of MTO reactor catalyst, including a reactor, a discharge valve is fixedly installed at the bottom end of the reactor, a discharge pipeline is connected to the bottom end of the discharge valve, one end of the discharge pipeline is connected to a catalyst recovery tank, an exhaust valve is fixedly installed at the top end of the catalyst recovery tank, an exhaust passage is fixedly installed at the top end of the exhaust valve, a support device is fixedly installed at the side of the bottom end of the catalyst recovery tank, a frame is fixedly installed at the side of the support device, and a motor is fixedly installed at the bottom end of the frame.
[0007] Preferably, the input end of the discharge valve is fixed to the bottom end of the reactor, and the output end is fixedly connected to the top end of the discharge pipeline.
[0008] Through the above technical solution, the discharge valve is opened to make the inside of the discharge valve unobstructed. The catalyst deposited at the bottom end of the reactor is driven from the input end through the output end into the inside of the discharge pipeline, and then enters the inside of the catalyst recovery tank through the discharge pipeline, achieving the effect of waste collection.
[0009] Preferably, a second motor is fixedly installed at the other end of the discharge pipeline, a feeding shaft is fixedly installed at the center of the axis of the second motor, and a feeding disk is fixedly installed on the outer peripheral surface of the feeding shaft.
[0010] Through the above technical solution, while collecting waste, the second motor is started, so that the second motor drives the transfer shaft to drive the transfer plate to rotate, so that the transfer plate drives the catalyst inside the unloading pipe to enter the catalyst recovery tank at a uniform speed, avoiding blockage and accumulation during the recovery process.
[0011] Preferably, the exhaust valve input end is fixedly connected to the top of the catalyst recovery tank, and the output end is fixedly connected to the bottom of the exhaust channel.
[0012] Through the above technical solution, when the catalyst inside the catalyst recovery tank is reheated, the catalyst is activated again to produce generated gas. These secondary generated gases are collected from the inside of the exhaust channel by opening the exhaust valve, thereby achieving the effect of resource recovery.
[0013] Preferably, a filter is fixedly installed at the middle end of the exhaust channel.
[0014] Through the above technical solution, the generated gas is filtered through the filter during the collection process, thereby maintaining the purity of the generated gas.
[0015] Preferably, a driving wheel is fixedly mounted at the motor shaft center, and a rotating wheel is engaged on the side of the driving wheel.
[0016] By using the above technical solution, the motor is started, so that the motor rotor end rotates to drive the driving wheel to rotate, and the driving wheel gear end drives the rotating wheel to rotate. This structure provides power to the rotating wheel.
[0017] Preferably, the wheel is rotatably mounted on the bottom end of the catalyst recovery tank, and a rotating shaft is fixedly mounted on the top end, and a stirring disk is fixedly mounted on the outer peripheral surface of the rotating shaft.
[0018] Through the above technical solution, the driving wheel rotates to drive the rotating wheel, which drives the rotating shaft and the stirring disk to rotate, so that the catalyst is fully in contact with the steam, thereby promoting the reaction effect.
[0019] Preferably, a steam delivery device is fixedly connected to the bottom end of the catalyst recovery tank.
[0020] Through the above technical solution, the steam conveying device is connected to the steam gas, and then the steam is conveyed into the bottom of the catalyst recovery tank through the steam conveying device, thereby activating the catalyst and facilitating the full reaction of the unreacted generated gas inside the catalyst.
[0021] Compared with the prior art, the present invention provides a catalyst recycling device for an MTO reactor, which has the following beneficial effects:
[0022] 1. The utility model opens the discharge valve to make the interior of the discharge valve unobstructed, drives the catalyst deposited at the bottom of the reactor from the output end into the discharge pipe through the input end, and then enters the catalyst recovery tank through the discharge pipe. At the same time, the second motor is started, so that the second motor drives the transfer shaft to drive the transfer disk to rotate, so that the transfer disk drives the catalyst inside the discharge pipe to enter the catalyst recovery tank at a uniform speed, avoiding the problem of blockage and siltation during the recovery process, and achieving the effect of waste collection.
[0023] 2. The utility model is connected to the steam gas through a steam conveying device, and then steam is conveyed into the bottom end of the catalyst recovery tank through the steam conveying device, thereby activating the catalyst and starting the motor, so that the motor rotor end rotates to drive the driving wheel to rotate, the driving wheel gear end drives the rotor to rotate, the rotor drives the rotating shaft to drive the stirring disk to rotate, so that the catalyst is fully in contact with the steam, promoting the reaction effect, and the catalyst is activated again to produce generated gas. These secondary generated gases are collected from the inside of the exhaust channel by opening the exhaust valve, thereby achieving the effect of resource recovery. The generated gas is filtered through a filter during the collection process to maintain the purity of the generated gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the structural recovery device of the utility model;
[0025] Figure 2 This is an isometric side view of the structural recovery device of the utility model;
[0026] Figure 3 This is a front view schematic diagram of the structural recovery device of the utility model;
[0027] Figure 4 This is a three-dimensional schematic diagram of the bottom of the structural recovery device of the utility model;
[0028] Figure 5 This is a partially enlarged schematic diagram of the structural recovery device of the utility model;
[0029] Figure 6 This is an enlarged schematic diagram of the interior of the structural recovery device of the utility model.
[0030] Among them: 1. Reactor; 2. Discharge valve; 3. Discharge pipe; 31. Second motor; 32. Transfer shaft; 33. Transfer plate; 4. Catalyst recovery tank; 5. Steam conveying device; 6. Exhaust valve; 7. Exhaust channel; 8. Filter; 9. Support device; 10. Frame; 11. Motor; 12. Drive wheel; 13. Rotor; 14. Rotating shaft; 15. Agitator plate. DETAILED DESCRIPTION
[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0032] Please refer to Figure 1-6 , a resource recovery device for MTO reactor catalyst, including a reactor 1, a discharge valve 2 is fixedly installed at the bottom end of the reactor 1, a discharge pipeline 3 is connected to the bottom end of the discharge valve 2, one end of the discharge pipeline 3 is connected to a catalyst recovery tank 4, an exhaust valve 6 is fixedly installed at the top end of the catalyst recovery tank 4, an exhaust passage 7 is fixedly installed at the top end of the exhaust valve 6, a support device 9 is fixedly installed at the side of the bottom end of the catalyst recovery tank 4, and a frame 10 is fixedly installed at the side of the support device 9, and a motor 11 is fixedly installed at the bottom end of the frame 10.
[0033] Specifically, the input end of the discharge valve 2 is fixed to the bottom end of the reactor 1, and the output end is fixedly connected to the top end of the discharge pipeline 3. The advantage is that by opening the discharge valve 2, the inside of the discharge valve 2 is unblocked, and the catalyst deposited at the bottom end of the reactor 1 is driven through the input end to enter the inside of the discharge pipeline 3 from the output end, and then enters the inside of the catalyst recovery tank 4 through the discharge pipeline 3, achieving the effect of waste collection.
[0034] Specifically, a second motor 31 is fixedly installed at the other end of the discharge pipeline 3, a feeding shaft 32 is fixedly installed at the axis of the second motor 31, and a feeding disk 33 is fixedly installed on the outer peripheral surface of the feeding shaft 32. The advantage is that while collecting waste, the second motor 31 is started, so that the second motor 31 drives the feeding shaft 32 to drive the feeding disk 33 to rotate, so that the feeding disk 33 drives the catalyst inside the discharge pipeline 3 to enter the catalyst recovery tank 4 evenly, avoiding the problems of blockage and siltation during the recovery process.
[0035] Specifically, the input end of the exhaust valve 6 is fixedly connected to the top end of the catalyst recovery tank 4, and the output end is fixedly connected to the bottom end of the exhaust passage 7. The advantage is that when the catalyst inside the catalyst recovery tank 4 is reheated, the catalyst is reactivated to generate generated gas again. These secondary generated gases are collected from the inside of the exhaust passage 7 by opening the exhaust valve 6, achieving the effect of resource recovery.
[0036] Specifically, a filter 8 is fixedly installed in the middle of the exhaust passage 7. The advantage is that the generated gas is filtered by the filter 8 during the collection process, maintaining the purity of the generated gas.
[0037] Specifically, a driving wheel 12 is fixedly installed at the axis of the motor 11, and a rotating wheel 13 is engaged with the side of the driving wheel 12.
[0038] The advantage is that when the starting motor 11 is started, the rotation of the rotor end of the motor 11 drives the driving wheel 12 to rotate, and the gear end of the driving wheel 12 drives the runner 13 to rotate, and this structure provides power for the runner 13.
[0039] Specifically, the runner 13 is rotatably installed at the bottom end of the catalyst recovery tank 4, and a rotating shaft 14 is fixedly installed at the top end, and a stirring disk 15 is fixedly installed on the outer peripheral surface of the rotating shaft 14. The advantage is that the rotation of the driving wheel 12 drives the runner 13 to drive the rotating shaft 14 to drive the stirring disk 15 to rotate, so that the catalyst and the steam are in full contact, promoting the reaction effect.
[0040] Specifically, the bottom end of the catalyst recovery tank 4 is fixedly connected with a steam delivery device 5. The advantage is that it is connected to the steam gas through the steam delivery device 5, and then the steam is delivered to the bottom end of the catalyst recovery tank 4 through the steam delivery device 5, so as to activate the catalyst and facilitate the full reaction of the unreacted generated gas inside the catalyst.
[0041] During use, the discharge valve 2 is opened to make the inside of the discharge valve 2 unblocked. The catalyst deposited at the bottom end of the reactor 1 is driven from the input end to enter the inside of the discharge pipeline 3 through the output end, and then enters the inside of the catalyst recovery tank 4 through the discharge pipeline 3. At the same time, the second motor 31 is started, so that the second motor 31 drives the feeding shaft 32 to drive the feeding disk 33 to rotate, so that the feeding disk 33 drives the catalyst inside the discharge pipeline 3 to uniformly enter the inside of the catalyst recovery tank 4, avoiding the problems of blockage and siltation during the recovery process, achieving the effect of waste collection. It is connected to the steam gas through the steam delivery device 5, and then the steam is delivered to the bottom end of the catalyst recovery tank 4 through the steam delivery device 5 to activate the catalyst. The starting motor 11 is started, so that the rotation of the rotor end of the motor 11 drives the driving wheel 12 to rotate, the gear end of the driving wheel 12 drives the runner 13 to rotate, and the runner 13 drives the rotating shaft 14 to drive the stirring disk 15 to rotate, so that the catalyst and the steam are in full contact, promoting the reaction effect. The catalyst is re-activated to generate generated gas, and these secondary generated gases are collected from the inside of the exhaust passage 7 by opening the exhaust valve 6, achieving the effect of resource recovery. The generated gas is filtered by the filter 8 during the collection process to maintain the purity of the generated gas.
[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A resource recovery device for MTO reactor catalyst, comprising a reactor (1), characterized in that: A discharge valve (2) is fixedly installed at the bottom end of the reactor (1). A discharge pipeline (3) is connected to the bottom end of the discharge valve (2). One end of the discharge pipeline (3) is connected to a catalyst recovery tank (4). An exhaust valve (6) is fixedly installed at the top end of the catalyst recovery tank (4). An exhaust passage (7) is fixedly installed at the top end of the exhaust valve (6). A support device (9) is fixedly installed at the side of the bottom end of the catalyst recovery tank (4). A frame (10) is fixedly installed at the side of the support device (9). A motor (11) is fixedly installed at the bottom end of the frame (10).
2. The resource recovery device for the catalyst of the MTO reactor according to claim 1, characterized in that: The input end of the discharge valve (2) is fixed to the bottom end of the reactor (1), and the output end is fixedly connected to the top end of the discharge pipeline (3).
3. The resource recovery device for the MTO reactor catalyst according to claim 1, characterized in that: A second motor (31) is fixedly installed at the other end of the discharge pipeline (3). A material conveying shaft (32) is fixedly installed at the axis center of the second motor (31). A material conveying disk (33) is fixedly installed on the outer peripheral surface of the material conveying shaft (32).
4. A resource recovery device for the catalyst of an MTO reactor according to claim 1, characterized in that: The input end of the exhaust valve (6) is fixedly connected to the top end of the catalyst recovery tank (4), and the output end is fixedly connected to the bottom end of the exhaust passage (7).
5. The resource recovery device for the catalyst of an MTO reactor according to claim 1, characterized in that: A filter (8) is fixedly installed in the middle of the exhaust passage (7).
6. The resource recovery device for the catalyst of an MTO reactor according to claim 1, characterized in that: A driving wheel (12) is fixedly installed at the axis center of the motor (11). A rotating wheel (13) is engaged with the side of the driving wheel (12).
7. The resource recovery device for the MTO reactor catalyst according to claim 6, characterized in that: The rotating wheel (13) is rotatably installed at the bottom end of the catalyst recovery tank (4), and a rotating shaft (14) is fixedly installed at the top end. A stirring disk (15) is fixedly installed on the outer peripheral surface of the rotating shaft (14).
8. The resource recovery device for the MTO reactor catalyst according to claim 1, characterized in that: A steam conveying device (5) is fixedly connected to the bottom end of the catalyst recovery tank (4).