A professional device for removing denitration catalyst
The denitrification catalyst removal device, with its integrated design, utilizes a transfer trolley and hydraulic system to achieve efficient hoisting and transfer operations, solving the integration and efficiency issues of existing devices and enabling rapid disassembly and replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN FENGYE ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-06-23
- Publication Date
- 2026-07-21
AI Technical Summary
The existing denitrification catalyst hoisting device has poor integration, cannot hoist and transport simultaneously, has poor work efficiency, poor material unloading operation, and cannot be quickly disassembled and replaced.
A dismantling device was designed, comprising components such as a transfer trolley, slide rail, electric hoist, hydraulic telescopic rod, support block, and hydraulic cylinder. It achieves integrated operation of hoisting and transfer through electric movement of pulleys, hydraulic system and electric hoist lifting, and realizes rapid unloading by flipping the cover plate.
It improved the efficiency of hoisting and transportation, enabled rapid disassembly and replacement, and enhanced work efficiency and safety.
Smart Images

Figure CN224530476U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of denitrification catalyst removal technology, specifically a professional denitrification catalyst removal device. Background Technology
[0002] With the increasingly stringent environmental protection requirements in my country in recent years, denitrification systems have become standard equipment in thermal power units. Catalysts are crucial consumable materials in denitrification systems, and their activity directly affects emission parameters such as nitrogen oxides. When catalyst activity reaches the end of its service life and fails to meet operational requirements, it will lead to excessive nitrogen oxide emissions and ammonia slip rates. This can cause ammonium bisulfate to form in the air preheater, clogging the heat storage elements and severely impacting the safety and economy of the unit's operation.
[0003] The existing denitrification catalyst hoisting device and its denitrification catalyst hoisting frame (CN201920819116.6) can safely and efficiently complete the hoisting of denitrification catalysts by utilizing the denitrification catalyst hoisting device according to the embodiments of this utility model. However, it has shortcomings. The existing equipment has poor integration, cannot hoist and transport simultaneously, has poor work efficiency, poor material unloading operation, and cannot be quickly disassembled and replaced. Therefore, a professional denitrification catalyst removal device is needed to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a professional dismantling device for denitrification catalysts, in order to solve the problems mentioned in the background art, such as poor integration of denitrification catalyst hoisting devices and denitrification catalyst hoisting racks, inability to hoist and transport at the same time, poor work efficiency, poor material unloading operation, and inability to quickly disassemble and replace them.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a professional removal device for denitrification catalysts, comprising a transfer trolley, a slide rail mounted on the lower end of the transfer trolley, and denitrification catalyst boxes distributed parallel to one side of the transfer trolley. A storage battery is embedded in the lower end of the transfer trolley, and pulleys are mounted on both sides of the storage battery. The pulleys are rotatably connected to the slide rail. A splicing slot is provided on one side of the transfer trolley, and a hydraulic cylinder is inserted into the inner wall of the splicing slot. Bolt seats are fixedly connected to the front and rear sides of the hydraulic cylinder, and fixing bolts are inserted into the inner wall of the bolt seats. A rotating shaft is mounted on the lower end of the other side of the transfer trolley, and a fixing bolt is fixed on the other side of the rotating shaft. A closed cover plate is fixedly connected to the hydraulic cylinder. A locking knob is inserted and installed on the upper end of the inner wall of the closed cover plate. A hydraulic telescopic rod is vertically rotatably installed at the output end of the hydraulic cylinder. A support block is fixedly connected to one side of the lower edge of the hydraulic telescopic rod. A support roller is embedded in one side of the support block, and one side of the support roller is distributed in close contact with the side of the output end of the hydraulic cylinder. A servo motor is embedded in the inner wall of the support block, and a drive gear is installed at the output end of the servo motor. One side of the drive gear is meshed with a drive tooth groove, and the drive tooth groove is opened at the side edge of the output end of the hydraulic cylinder. An electric hoist is installed at the output end of the hydraulic telescopic rod, and a lifting hook is installed at the lower end of the electric hoist.
[0006] Preferably, the transfer trolley moves parallel to the denitrification catalyst box via a slide rail and pulleys, and the pulleys are electrically powered.
[0007] Preferably, the lifting hook is connected to the hydraulic telescopic rod via an electric hoist in a lifting configuration, and the lifting hook and the electric hoist are connected to the hydraulic cylinder in a two-stage telescopic configuration via the hydraulic telescopic rod.
[0008] Preferably, the hydraulic telescopic rod is rotatably connected to the hydraulic cylinder via a drive gear and drive tooth groove, and is also rotatably connected to the hydraulic cylinder via a support block and support roller. The hydraulic telescopic rod is also movably connected to the transfer trolley via the hydraulic cylinder.
[0009] Preferably, the hydraulic cylinder is installed by means of fixing bolts, bolt seats and splicing slots in a positioning bolt splicing manner.
[0010] Preferably, the sealing cover is connected to the transfer trolley in a flip-down manner via a rotating shaft, and the sealing cover is locked and fixedly connected to the transfer trolley via a locking knob.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This professional denitrification catalyst removal device can integrate an electric hoist, lifting hook, hydraulic telescopic rod, support block, and hydraulic cylinder into the transfer trolley, which facilitates lifting and removal during transfer, resulting in high operational efficiency. Moreover, the closed cover can be flipped open for quick unloading, and it can be moved electrically by pulleys, further improving the transfer effect. Furthermore, the electric hoist, lifting hook, hydraulic telescopic rod, support block, and hydraulic cylinder can be easily disassembled and assembled independently through splicing slots, fixing bolts, and bolt seats, facilitating quick replacement and use. Attached Figure Description
[0012] Figure 1 This is a front view of a professional dismantling device for denitrification catalysts according to this utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of a professional dismantling device for denitrification catalysts according to this utility model;
[0014] Figure 3 This utility model relates to a specialized device for dismantling denitrification catalysts. Figure 2 Enlarged view of point A in the middle;
[0015] Figure 4 This utility model relates to a specialized device for dismantling denitrification catalysts. Figure 2 Enlarged view at point B in the middle;
[0016] Figure 5 This utility model relates to a specialized device for dismantling denitrification catalysts. Figure 2 Enlarged view at point C;
[0017] Figure 6 This utility model relates to a specialized device for dismantling denitrification catalysts. Figure 2 Enlarged view of point D in the middle.
[0018] In the diagram: 1. Transfer trolley, 2. Denitrification catalyst box, 3. Slide rail, 4. Electric hoist, 5. Lifting hook, 6. Hydraulic telescopic rod, 7. Support block, 8. Hydraulic cylinder, 9. Sealing cover, 10. Battery, 11. Pulley, 12. Drive gear, 13. Drive tooth groove, 14. Support roller, 15. Servo motor, 16. Locking knob, 17. Rotary shaft, 18. Splicing slot, 19. Fixing bolt, 20. Bolt seat. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1-6This utility model provides a technical solution: a professional removal device for denitrification catalysts, including a transfer trolley 1, a denitrification catalyst box 2, a slide rail 3, an electric hoist 4, a lifting hook 5, a hydraulic telescopic rod 6, a support block 7, a hydraulic cylinder 8, a sealing cover 9, a battery 10, pulleys 11, a drive gear 12, a drive tooth groove 13, a support roller 14, a servo motor 15, a locking knob 16, a rotating shaft 17, a splicing slot 18, fixing bolts 19, and bolt seats 20. The lower end of the transfer trolley 1 is equipped with the slide rail 3, and the denitrification catalyst box 2 is distributed parallel to one side of the transfer trolley 1. The transfer trolley 1 moves parallel to the denitrification catalyst box 2 in a limited manner via the slide rail 3 and the pulley 11. The pulley 11 is electrically powered, which facilitates stable electric movement of the transfer trolley 1. The transport mechanism offers excellent transport efficiency. A battery 10 is embedded in the lower end of the transport trolley 1, and pulleys 11 are mounted on both sides of the battery 10. The pulleys 11 are rotatably connected to the slide rail 3. A splicing slot 18 is provided on one side of the transport trolley 1, and a hydraulic cylinder 8 is inserted into the inner wall of the splicing slot 18. The hydraulic cylinder 8 is installed in a positioning bolt splice with the splicing slot 18 via fixing bolts 19 and bolt seats 20. This allows for easy installation and removal of the positioning bolts on the hydraulic cylinder 8, facilitating quick replacement. Bolt seats 20 are protruding and fixedly connected to the front and rear sides of the hydraulic cylinder 8, and fixing bolts 19 are inserted into the inner wall of the bolt seats 20. A rotating shaft 17 is installed at the lower end of the other side of the transport trolley 1, and a sealing cover 9 is fixedly connected to the other side of the rotating shaft 17. The sealing cover 9 is connected to the transport trolley 1 via the rotating shaft 17 in a flip-up manner. The closed cover 9 is locked and fixed to the transfer trolley 1 via a locking knob 16, making it easy to tilt and flip the closed cover 9 for quick unloading and convenient use. A locking knob 16 is inserted and installed on the upper inner wall of the closed cover 9. A hydraulic telescopic rod 6 is vertically rotatably mounted on the output end of the hydraulic cylinder 8, and a support block 7 is fixedly connected to one side of the lower edge of the hydraulic telescopic rod 6. The hydraulic telescopic rod 6 is meshed and rotated with the hydraulic cylinder 8 via a drive gear 12 and a drive tooth groove 13, and is supported and rolled by the support block 7 and support roller 14. The hydraulic telescopic rod 6 is also connected to the transfer trolley 1 via the hydraulic cylinder 8 for lifting and lowering, allowing for easy meshing and rotational adjustment of the hydraulic telescopic rod 6. The hydraulic cylinder 8 is used for lifting and hoisting. A support roller 14 is embedded in one side of the support block 7, and one side of the support roller 14 is distributed in close contact with the side of the output end of the hydraulic cylinder 8. A servo motor 15 is embedded in the inner wall of the support block 7, and a drive gear 12 is installed at the output end of the servo motor 15. One side of the drive gear 12 is meshed with a drive tooth groove 13, and the drive tooth groove 13 is opened at the side edge of the output end of the hydraulic cylinder 8. An electric hoist 4 is installed at the output end of the hydraulic telescopic rod 6, and a lifting hook 5 is installed at the lower end of the electric hoist 4. The lifting hook 5 is connected to the hydraulic telescopic rod 6 in a lifting manner through the electric hoist 4, and the lifting hook 5 and the electric hoist 4 are connected to the hydraulic cylinder 8 in a two-stage telescopic connection through the hydraulic telescopic rod 6. This makes it convenient for the lifting hook 5 to be further lifted and hoisted, and it can be adjusted left and right for greater flexibility.
[0021] Working principle: When using this professional denitrification catalyst removal device, firstly, the slide rail 3 of the device is rotated parallel to the denitrification catalyst box 2. Then, the transfer trolley 1 is installed and placed. Next, the device is connected to the power supply and then moved electrically through the pulley 11. When hoisting is required, the denitrification catalyst can be lifted by the electric hoist 4 and the lifting hook 5, and then lifted by the hydraulic cylinder 8. Then, the electric hoist 4, the lifting hook 5, and the hydraulic telescopic rod 6 are rotated towards the transfer trolley 1 by the drive gear 12, drive tooth groove 13, support roller 14, and servo motor 15. The denitrification catalyst is then placed in the transfer trolley 1. The operation is then carried out continuously. When unloading is required, the closed cover 9 can be rotated through the rotating shaft 17 to form a ramp for rapid unloading. This is the usage process of this professional denitrification catalyst removal device.
[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A professional removal device for denitrification catalysts, comprising a transfer trolley (1), wherein a slide rail (3) is installed at the lower end of the transfer trolley (1), and denitrification catalyst boxes (2) are distributed parallel to one side of the transfer trolley (1), characterized in that: The lower end of the transfer trolley (1) is fitted with a storage battery (10), and pulleys (11) are installed on both sides of the storage battery (10). The pulleys (11) are tumblingly connected to the slide rail (3). A splicing slot (18) is provided on one side of the transfer trolley (1), and a hydraulic cylinder (8) is inserted into the inner wall of the splicing slot (18). Bolt seats (20) are fixedly connected to the front and rear sides of the hydraulic cylinder (8), and fixing bolts (19) are inserted into the inner wall of the bolt seats (20). A rotating shaft (17) is installed at the lower end of the other side of the transfer trolley (1), and a closed cover plate (9) is fixedly connected to the other side of the rotating shaft (17). A locking knob (16) is inserted into the upper end of the inner wall of the closed cover plate (9). The hydraulic cylinder (8) A hydraulic telescopic rod (6) is vertically rotatably mounted on the output end, and a support block (7) is fixedly connected to one side of the lower end of the hydraulic telescopic rod (6). A support roller (14) is embedded on one side of the support block (7), and one side of the support roller (14) is close to the side of the output end of the hydraulic cylinder (8). A servo motor (15) is embedded in the inner wall of the support block (7), and a drive gear (12) is mounted on the output end of the servo motor (15). One side of the drive gear (12) is meshed with a drive tooth groove (13), and the drive tooth groove (13) is opened on the side edge of the output end of the hydraulic cylinder (8). An electric hoist (4) is mounted on the output end of the hydraulic telescopic rod (6), and a lifting hook (5) is mounted on the lower end of the electric hoist (4).
2. The professional denitrification catalyst removal device according to claim 1, characterized in that: The transfer trolley (1) moves parallel to the denitrification catalyst box (2) in a limited manner via the slide rail (3) and pulley (11), and the pulley (11) is an electric structure.
3. The professional removal device for denitrification catalyst according to claim 2, characterized in that: The lifting hook (5) is connected to the hydraulic telescopic rod (6) via the electric hoist (4) in a lifting connection, and the lifting hook (5) and the electric hoist (4) are connected to the hydraulic cylinder (8) in a two-stage telescopic connection via the hydraulic telescopic rod (6).
4. The professional denitrification catalyst removal device according to claim 3, characterized in that: The hydraulic telescopic rod (6) is connected to the hydraulic cylinder (8) in a meshing transmission rotational connection through the drive gear (12) and drive tooth groove (13), and the hydraulic telescopic rod (6) is connected to the hydraulic cylinder (8) in a supporting rolling connection through the support block (7) and support roller (14). The hydraulic telescopic rod (6) is connected to the transfer trolley (1) in a lifting and moving connection through the hydraulic cylinder (8).
5. The professional removal device for denitrification catalyst according to claim 4, characterized in that: The hydraulic cylinder (8) is installed by means of fixing bolts (19), bolt seats (20) and splicing slots (18) in a positioning bolt splicing manner.
6. The professional removal device for denitrification catalyst according to claim 5, characterized in that: The closed cover (9) is connected to the transfer trolley (1) in a flip-down manner via a rotating shaft (17), and the closed cover (9) is fixedly connected to the transfer trolley (1) via a locking knob (16).