Hydrogenation catalyst preparation tank with convenient control of quantity
By using electric and pneumatic actuators in conjunction with flow control tubes and sensors, the problems of proportioning deviation and leakage risks caused by manual quantity control in hydrogenation catalyst preparation tanks have been solved, achieving precise control and efficient proportioning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INSTITUTE OF APPLIED CHEMISTRY JIANGXI ACADEMY OF SCIENCES
- Filing Date
- 2025-08-08
- Publication Date
- 2026-07-03
AI Technical Summary
Existing hydrogenation catalyst preparation tanks suffer from problems such as excessive deviations in the mixing ratio, increased time spent on each mixing step, and increased risk of leakage due to manual control of the amount of hydrogenated catalyst.
By using electric and pneumatic actuators in conjunction with flow control tubes, flow recorders, and servo motors or pneumatic valves, precise control of raw material input can be achieved. Combined with real-time monitoring and automatic adjustment by sensors, human error can be reduced.
It enables precise control of raw material input, reduces proportioning deviations and equipment wear, lowers the risk of leakage, and improves work efficiency.
Smart Images

Figure CN224442858U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hydrogenation catalyst preparation technology, and in particular to a hydrogenation catalyst preparation tank that facilitates quantity control. Background Technology
[0002] Hydrogenation catalysts are core materials that promote the addition reaction of unsaturated compounds with hydrogen. Their core function and classification are as follows: Hydrogenation catalysts accelerate the addition reaction of hydrogen with unsaturated compounds (such as alkenes, alkynes, aldehydes, ketones, etc.) by lowering the activation energy of the reaction, generating saturated products. Hydrogenation catalyst preparation tanks are specialized equipment that achieves precise mixing of raw materials and accurate control of the reaction process by optimizing the stirring and rate control mechanism.
[0003] In existing technologies, traditional equipment requires manual addition of mixtures to the tank. Manual proportioning relies on operators' deep understanding of raw material properties and reaction conditions. However, individual experience differences can lead to proportioning deviations. Sensory indicators such as raw material color and flowability are easily affected by ambient light and temperature, resulting in subjective judgment errors. For example, differences in the water absorption of the carrier alumina may be misjudged as insufficient addition, leading to over-addition. Manual proportioning requires weighing the active component, additives, and carrier sequentially, checking labels and cleaning tools at each step, increasing the time required for each proportioning. Frequent opening and closing of valves and stirring paddles also accelerates the wear of mechanical seals, bearings, and other components, increasing the risk of leakage. Therefore, it is necessary to improve the hydrogenation catalyst preparation tank to solve the above problems by developing a method that facilitates quantity control. Utility Model Content
[0004] To overcome the problems of excessive deviation in the proportioning caused by manual control of the amount of hydrogenation catalyst in the preparation tank, increased time for each proportioning, and increased risk of leakage.
[0005] The technical solution of this utility model is as follows: a hydrogenation catalyst preparation tank for easy quantity control, including a mixing tank, a support base fixedly connected to the bottom of the mixing tank, a control panel set on the mixing tank, a sealed tank set on the mixing tank, a stirring structure set on the sealed tank, a sealing component set between the mixing tank and the sealed tank, a fixed support plate fixedly connected to the sealed tank, a flow control pipe fixedly connected to the fixed support plate, an adjusting connecting sleeve fixedly connected to the fixed support plate, a feed hopper fixedly connected to the adjusting connecting sleeve, a discharge box fixedly connected to the fixed support plate, a flow recorder set on the flow control pipe, a discharge pipe set on the discharge box, a pneumatic connecting pipe set on the fixed support plate, an adjusting push rod slidably connected to the pneumatic connecting pipe, an adjusting bracket rotatably connected to the adjusting push rod, an adjusting rod rotatably connected inside the adjusting connecting sleeve, a pipeline connector rotatably connected inside the adjusting connecting sleeve, a first motor set on the flow control pipe, an electric push rod set inside the flow control pipe, and the electric push rod is driven by the first motor to slide inside the flow control pipe.
[0006] Preferably, the flow recorder, feed hopper, and discharge box are all connected to the regulating connection sleeve by pipes, and the mixed material flows inside the pipes.
[0007] Preferably, the adjusting connecting sleeve has a groove at the corresponding position of the pipe connector, and the pipe connector rotates inside the groove.
[0008] Preferably, the flow control tube has a groove at the corresponding position of the electric push rod, and the electric push rod slides inside the groove.
[0009] Preferably, a pneumatic push rod is slidably connected inside the discharge box, and a groove is opened in the discharge box at the corresponding position of the pneumatic push rod, so that the pneumatic push rod can slide inside the groove.
[0010] Preferably, the sealing assembly includes a limiting connecting box fixedly connected to the mixing tank, a sliding toothed plate slidably connected inside the limiting connecting box, a limiting telescopic rod disposed between the mixing tank and the sealing tank, a second motor disposed on the mixing tank, a rotating connecting rod fixedly connected to one end of the second motor, a rotating gear fixedly connected to the rotating connecting rod, and a fixed slider fixedly connected to the sliding toothed plate.
[0011] Preferably, the mixing tank has a groove at the corresponding position of the fixed slider, and the fixed slider slides inside the groove.
[0012] Preferably, the limiting connection box has a groove at the corresponding position of the sliding toothed plate, and the sliding toothed plate slides inside the groove.
[0013] The beneficial effects of this utility model are:
[0014] 1. Compared to the manual control of hydrogenation catalyst preparation tanks, this method uses an electric pusher to draw the mixture from the feed hopper into a flow control pipe. The flow control pipe is then connected to the pneumatic pusher via the rotation of the pipe connector. The electric pusher then pushes the mixture into the pneumatic pusher, which discharges it into the mixing tank through the discharge pipe. This eliminates the need for operators to assess the raw material properties, preventing proportioning deviations. Furthermore, sensory indicators such as raw material color and flowability are easily affected by ambient light and temperature, ensuring the accuracy of subjective judgment. This reduces the time spent on each mixing step, prevents wear and tear from long-term equipment use, and lowers the risk of leakage.
[0015] 2. The rotating connecting rod drives the rotating gear to rotate. With the rotating gear meshing with the sliding toothed plate, the sliding toothed plate slides inside the limit connecting box, causing it to push the sealing tank to close the mixing tank. The system uses sensors such as weighing modules and flow meters to monitor the amount of raw materials fed in real time. Combined with servo motors or pneumatic valves, it achieves precise control. The ratio error can be controlled within the required range. The system can automatically adjust the feeding amount according to environmental parameters such as raw material humidity and temperature to compensate for errors caused by changes in hygroscopicity or flowability. Effective adjustment allows the stirring rod to effectively control the closure of the device, reducing the workload of the staff. Attached Figure Description
[0016] Figure 1 A schematic diagram of one embodiment of the hydrogenation catalyst preparation tank of this utility model for easy quantity control;
[0017] Figure 2 This is a schematic diagram of the fixed support plate structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the flow control tube structure of this utility model;
[0019] Figure 4 This is a schematic diagram of the mixing tank structure of this utility model;
[0020] Figure 5 This is a schematic diagram of the closed component structure of this utility model.
[0021] Explanation of reference numerals in the attached drawings: 1. Mixing tank; 2. Support base; 3. Control panel; 4. Sealed tank; 5. Stirring structure; 801. Fixed support plate; 802. Flow control pipe; 803. Adjusting connecting sleeve; 804. Feed hopper; 805. Discharge box; 806. Flow recorder; 807. Discharge pipe; 808. Pneumatic connecting pipe; 809. Adjusting push rod; 810. Adjusting rod; 811. Adjusting bracket; 812. Pipe connector; 813. First motor; 814. Electric push rod; 815. Pneumatic push rod; 901. Limiting connecting box; 902. Sliding toothed plate; 903. Limiting telescopic rod; 904. Second motor; 905. Rotating connecting rod; 906. Rotating gear; 907. Fixed slider. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please see Figure 1 - Figure 5This utility model provides an embodiment of a hydrogenation catalyst preparation tank for easy quantity control, comprising a mixing tank 1, a support base 2 fixedly connected to the bottom of the mixing tank 1, a control panel 3 disposed on the mixing tank 1, a sealing tank 4 disposed on the mixing tank 1, a stirring structure 5 disposed on the sealing tank 4, a sealing assembly disposed between the mixing tank 1 and the sealing tank 4, a fixed support plate 801 fixedly connected to the sealing tank 4, a flow control pipe 802 fixedly connected to the fixed support plate 801, an adjusting connecting sleeve 803 fixedly connected to the fixed support plate 801, and a fixedly connected... The following components are included: a feed hopper 804, a discharge box 805 fixedly connected to a fixed support plate 801, a flow recorder 806 mounted on a flow control pipe 802, a discharge pipe 807 mounted on the discharge box 805, a pneumatic connecting pipe 808 mounted on the fixed support plate 801, an adjusting push rod 809 slidably connected to the pneumatic connecting pipe 808, an adjusting bracket 811 rotatably connected to the adjusting push rod 809, an adjusting rod 810 rotatably connected inside an adjusting connecting sleeve 803, a pipe connector 812 rotatably connected inside an adjusting connecting sleeve 803, a first motor 813 mounted on the flow control pipe 802, and a flow recorder 806 mounted on the flow control pipe 802. The electric push rod 814 inside the flow control tube 802 is driven by a first motor 813 to slide inside the flow control tube 802. The mixture and catalyst are poured into the feed hopper 804, and the electric push rod 814, driven by the first motor 813, slides inside the flow control tube 802. The material inside the feed hopper 804 is input into the flow control tube 802 through the pipe connector 812 via the electric push rod 814. The amount of material inside the flow control tube 802 can be observed by the flow recorder 806 installed on the flow control tube 802. The flow is then connected via a pneumatic connection pipe 80. The pneumatic pressure pusher 809 in 8 slides inside the pneumatic connecting pipe 808. The pneumatic connecting pipe 808 pushes the adjusting bracket 811, causing the adjusting rod 810 to rotate inside the adjusting connecting sleeve 803. The rotation of the adjusting rod 810 causes the pipeline connector 812 to rotate. The rotation of the pipeline connector 812 allows it to connect with the pneumatic pusher 815. The first motor 813 drives the electric pusher 814 to push the mixture inside the flow control pipe 802 from the pipeline connector 812 into the discharge box 805. The mixture is then discharged into the mixing tank 1 through the discharge pipe 807.
[0024] Please see Figure 2 - Figure 3In this embodiment, the flow recorder 806, the feed hopper 804, and the discharge box 805 are all connected to the adjusting connecting sleeve 803 by pipes. The mixed material flows inside these pipes. The pipes connecting the flow recorder 806, the feed hopper 804, and the discharge box 805 to the adjusting connecting sleeve 803 ensure more stable transport of the mixed material. The adjusting connecting sleeve 803 has a groove at the corresponding position of the pipe connector 812. The pipe connector 812 rotates inside the groove. The groove inside the adjusting connecting sleeve 803 corresponding to the position of the pipe connector 812 allows the pipe connector 812 to rotate. When sliding inside the chute, the flow control tube 802 is limited. A chute is provided at the corresponding position of the electric push rod 814. The electric push rod 814 slides inside the chute. The chute provided inside the flow control tube 802 at the corresponding position of the electric push rod 814 makes the electric push rod 814 more stable when sliding inside the chute. A pneumatic push rod 815 is slidably connected inside the discharge box 805. A chute is provided at the corresponding position of the pneumatic push rod 815. The pneumatic push rod 815 slides inside the chute. The pneumatic push rod 815 can effectively discharge all the mixture remaining inside the discharge box 805.
[0025] Please see Figure 4 - Figure 5 In this embodiment, the sealing assembly includes a limiting connecting box 901 fixedly connected to the mixing tank 1, a sliding toothed plate 902 slidably connected inside the limiting connecting box 901, a limiting telescopic rod 903 disposed between the mixing tank 1 and the sealing tank 4, a second motor 904 disposed on the mixing tank 1, a rotating connecting rod 905 fixedly connected to one end of the second motor 904, a rotating gear 906 fixedly connected to the rotating connecting rod 905, and a fixed slider 907 fixedly connected to the sliding toothed plate 902. The second motor 904 drives the rotating connecting rod 905 to drive the rotating gear 906 to rotate inside the mixing tank 1, and the rotating gear 906 meshes with the sliding toothed plate 902. Under the condition of connection, the sliding toothed plate 902 drives the sealed tank 4 to slide on the mixing tank 1. The sliding sealed tank 4 is limited by the set limiting telescopic rod 903. The mixing tank 1 has a groove at the corresponding position of the fixed slider 907. The fixed slider 907 slides inside the groove. The sliding toothed plate 902 is limited when sliding by the groove at the corresponding position of the fixed slider 907 inside the mixing tank 1. The limiting connecting box 901 has a groove at the corresponding position of the sliding toothed plate 902. The sliding toothed plate 902 slides inside the groove. The sliding toothed plate 902 is limited when sliding by the groove at the corresponding position of the sliding toothed plate 902 inside the limiting connecting box 901.
[0026] During operation, when the device is sealed, the second motor 904 drives the rotating connecting rod 905 to rotate the rotating gear 906 inside the mixing tank 1. The rotating gear 906, engaged with the sliding toothed plate 902, pushes the sealed tank 4 to slide on the mixing tank 1. The sliding sealed tank 4 is limited by the limiting telescopic rod 903. When quantitatively feeding material into the mixing tank 1, the mixture and catalyst are poured into the feed hopper 804 respectively. The first motor 813 drives the electric push rod 814 to slide inside the flow control pipe 802. The electric push rod 814 feeds the material from the feed hopper 804 into the flow control pipe 802 through the pipe connector 812. The flow recorder 806 on the flow control pipe 802 can observe the amount of material inside. The air pressure in the pneumatic connecting pipe 808 pushes the adjusting push rod 80. 9 slides inside the pneumatic connecting pipe 808. The pneumatic connecting pipe 808 pushes the adjusting bracket 811, causing the adjusting rod 810 to rotate inside the adjusting connecting sleeve 803. The rotation of the adjusting rod 810 causes the pipe connector 812 to rotate, allowing the pipe connector 812 to connect with the pneumatic push rod 815. The first motor 813 drives the electric push rod 814 to push the mixture inside the flow control pipe 802 from the pipe connector 812 into the discharge box 805. The control panel 3 controls the stroke of the electric push rod 814. When the electric push rod 814 pushes into the device to a suitable value, the value is fed back by the sensor at the end of the discharge pipe 807. When the required value is reached, the electric push rod 814 stops pushing, and the mixture is discharged into the mixing tank 1 through the discharge pipe 807. The pneumatic push rod 815 effectively discharges all the remaining mixture inside the discharge box 805.
[0027] Through the above steps, the mixture inside the feed hopper 804 is drawn into the flow control pipe 802 by the electric push rod 814. The flow control pipe 802 is connected to the pneumatic push rod 815 by the rotation of the pipe connector 812. The mixture is pushed into the mixing tank 1 by the electric push rod 814 and discharged through the discharge pipe 807 by the pneumatic push rod 815. This solves the problem that the ratio deviation is too large due to manual control of the amount of hydrogenation catalyst in the mixing tank, which increases the time for each mixing and the risk of leakage.
Claims
1. A tank for preparing hydrogenation catalysts in a controlled amount, comprising a mixing tank (1), characterized in that: It also includes a support base (2) fixedly connected to the bottom of the mixing tank (1), a control panel (3) set on the mixing tank (1), a sealing tank (4) set on the mixing tank (1), a stirring structure (5) set on the sealing tank (4), a sealing assembly set between the mixing tank (1) and the sealing tank (4), a fixed support plate (801) fixedly connected to the sealing tank (4), a flow control pipe (802) fixedly connected to the fixed support plate (801), an adjusting connecting sleeve (803) fixedly connected to the fixed support plate (801), a feed hopper (804) fixedly connected to the adjusting connecting sleeve (803), a discharge box (805) fixedly connected to the fixed support plate (801), and a flow control pipe (802) set on the flow control pipe (802). The flow recorder (806), the discharge pipe (807) set on the discharge box (805), the pneumatic connecting pipe (808) set on the fixed support plate (801), the adjusting push rod (809) slidably connected to the pneumatic connecting pipe (808), the adjusting bracket (811) rotatably connected to the adjusting push rod (809), the adjusting rod (810) rotatably connected inside the adjusting connecting sleeve (803), the pipeline connector (812) rotatably connected inside the adjusting connecting sleeve (803), the first motor (813) set on the flow control pipe (802), and the electric push rod (814) set inside the flow control pipe (802) are all provided. The electric push rod (814) is driven by the first motor (813) to slide inside the flow control pipe (802).
2. The controlled dosing hydrogenation catalyst formulation tank of claim 1, wherein: The flow recorder (806), feed hopper (804) and discharge box (805) are all connected to the regulating sleeve (803) by pipes, and the mixed material flows inside the pipes.
3. The controlled dosing hydrogenation catalyst formulation tank of claim 1, wherein: The adjusting connecting sleeve (803) has a groove at the corresponding position of the pipe connector (812), and the pipe connector (812) rotates inside the groove.
4. The controlled dosing hydrogenation catalyst formulation tank of claim 1, wherein: The flow control tube (802) has a groove at the corresponding position of the electric push rod (814), and the electric push rod (814) slides inside the groove.
5. The controlled dosing hydrogenation catalyst formulation tank of claim 1, wherein: The discharge box (805) is internally connected to a pneumatic push rod (815). The discharge box (805) has a groove at the corresponding position of the pneumatic push rod (815), and the pneumatic push rod (815) slides inside the groove.
6. The convenient-to-use, metered amount, hydrogenation catalyst formulation can, according to claim 1, wherein: The sealing assembly includes a limiting connecting box (901) fixedly connected to the mixing tank (1), a sliding toothed plate (902) slidably connected inside the limiting connecting box (901), a limiting telescopic rod (903) disposed between the mixing tank (1) and the sealing tank (4), a second motor (904) disposed on the mixing tank (1), a rotating connecting rod (905) fixedly connected to one end of the second motor (904), a rotating gear (906) fixedly connected to the rotating connecting rod (905), and a fixed slider (907) fixedly connected to the sliding toothed plate (902).
7. The controlled dosing hydrogenation catalyst formulation tank of claim 6, wherein: The mixing tank (1) has a groove at the corresponding position of the fixed slider (907), and the fixed slider (907) slides inside the groove.
8. The controlled dosing hydrogenation catalyst formulation tank of claim 6, wherein: The limiting connection box (901) is provided with a sliding groove at the corresponding position of the sliding tooth plate (902), and the sliding tooth plate (902) slides in the sliding groove.