SCR (Selective Catalytic Reduction) catalyst regeneration device

Abstract

The utility model relates to the technical field of SCR (Selective Catalytic Reduction) catalysts, and discloses an SCR catalyst regeneration device which comprises a drainage pipeline and a cleaning tank body, the drainage pipeline is fixedly connected to the surface of the lower end of the cleaning tank body, a cleaning device is arranged in the cleaning tank body, and the drainage pipeline is fixedly connected to the surface of the bottom end of the cleaning tank body. According to the SCR catalyst regeneration device, by arranging a cleaning scraping plate, a cleaning plate and a moving roller body, a hexagonal nut rotates on the surface of the threaded end of a locking threaded rod, the position of the cleaning scraping plate can be limited, the cleaning scraping plate can scrape dust on the surface of the inner wall of the cleaning tank body, and the interior of the cleaning tank body can be kept clean; and meanwhile, a hexagonal nut rotates at the upper end of a locking threaded rod, the position of a cleaning plate can be determined, the position of the cleaning plate is limited and fixed, and the service time of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of SCR catalysts, in particular to an SCR catalyst regeneration device. Background Art

[0002] SCR catalyst is a catalyst used in the SCR denitrification system of power plants. It is mainly used to promote the reductant to selectively react chemically with nitrogen oxides in the flue gas at a certain temperature.

[0003] The prior art discloses an SCR catalyst regeneration device with application number: CN202322906207.2, comprising a cleaning box, a cleaning cylinder is provided inside the cleaning box, a plurality of evenly distributed water leakage holes are opened on the cylinder wall of the cleaning cylinder, a motor is fixedly provided at the bottom of the cleaning box, a rotating shaft extending to the inside of the cleaning box is fixedly provided at the output end of the motor, and the upper end of the rotating shaft is detachably connected to the bottom of the cleaning cylinder; an opening is provided at the top of the cleaning box, and an L-shaped support rod is rotatably provided on one side of the opening, a water supply pipe is fixedly installed at the end of the L-shaped support rod, and a limiting mechanism is provided between the rod wall of the L-shaped support rod and the cleaning box. The above utility model can perform mixed cleaning of the CR catalyst, so that the dust inside the SCR catalyst is quickly removed, and the efficiency and quality of the SCR catalyst regeneration are improved.

[0004] A drain pipe is provided at the lower end of the cleaning box to discharge the waste water inside the cleaning box. However, when the waste water inside the cleaning box is discharged, dust is easily accumulated on the bottom surface of the box body, and a lot of time is needed to clean the inside of the cleaning box. Utility Model Content

[0005] The utility model aims to provide an SCR catalyst regeneration device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an SCR catalyst regeneration device, comprising a drainage pipe and a cleaning tank body, the lower end surface of the cleaning tank body being fixedly connected to the drainage pipe, a cleaning device being installed inside the cleaning tank body, and the drainage pipe being fixedly connected to the bottom end surface of the cleaning tank body.

[0007] The cleaning device includes a cleaning cylinder, a vertical threaded rod, a plug-in cover plate, a cleaning assembly and a variable frequency motor. The variable frequency motor is installed at the lower end of the cleaning assembly, the variable frequency motor is installed at the lower end of the cleaning cylinder, the vertical threaded rod is fixedly connected to the inner bottom end surface of the cleaning cylinder, and the plug-in cover plate is plugged into the upper end inner wall surface of the cleaning cylinder.

[0008] Preferably, the cleaning assembly includes a cleaning plate, a cleaning scraper, a locking threaded rod, a cleaning roller body, a connecting threaded rod, a movable roller body and a hexagonal nut, the locking threaded rod is fixedly connected to the top surface of the cleaning scraper, the cleaning scraper is threadedly connected to the lower end of the cleaning plate, the cleaning roller body is installed in the middle position of the cleaning plate, the hexagonal nut is movably connected to the top surface of the cleaning plate, the hexagonal nut is threadedly connected to the upper end surface of the connecting threaded rod, and the movable roller body is fixedly connected to the bottom end surface of the connecting threaded rod.

[0009] Preferably, the variable frequency motor is installed at the lower end of the cleaning plate, and the cleaning plate is connected to the inner wall surface of the lower end of the cleaning cylinder. The rotor of the variable frequency motor drives the cleaning plate to rotate, and the rotor of the variable frequency motor drives the cleaning cylinder to rotate, thereby being able to clean the SCR catalyst.

[0010] Preferably, the plug-in cover is movably connected to the upper end of the vertical threaded rod, and the plug-in cover moves downward along the threaded end surface of the vertical threaded rod, so that the plug-in cover is plugged into the upper inner wall surface of the cleaning cylinder, which can facilitate pouring clean water into the cleaning tank.

[0011] Preferably, the variable frequency motor is installed on the bottom surface of the cleaning tank body, and the cleaning cylinder is located inside the cleaning tank body. The rotor of the variable frequency motor drives the cleaning cylinder to rotate, and the cleaning cylinder can perform cleaning operations on the SCR catalyst.

[0012] Preferably, the cleaning scraper is movably connected to the inner wall surface of the cleaning tank body, the cleaning scraper is installed at the upper end of the rotor of the variable frequency motor, the cleaning roller is movably connected to the inner wall surface of the cleaning tank body, the rotor of the variable frequency motor drives the cleaning scraper to rotate, and the cleaning scraper can clean the dust on the bottom surface of the inside of the cleaning tank body.

[0013] Preferably, the cleaning plate is movable to clean the top surface of the tank body, the movable roller body is movably connected to the upper end of the supporting frame, the connecting threaded rod is installed on the outer end of the cleaning plate, and the hexagonal nut is rotated so that the hexagonal nut rotates on the threaded end surface of the connecting threaded rod, thereby limiting the movable roller body at the upper end of the supporting frame, and determining the position of the cleaning plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The SCR catalyst regeneration device is provided with a cleaning scraper, a cleaning plate and a movable roller body. The hexagonal nut rotates on the threaded end surface of the locking threaded rod to limit the position of the cleaning scraper, so that the cleaning scraper can scrape the dust on the inner wall surface of the cleaning tank body, maintain the cleanliness of the bottom end surface of the cleaning tank body, and increase the service life of the device.

[0016] 2. The SCR catalyst regeneration device is provided with a movable roller, a locking threaded rod and a hexagonal nut. The hexagonal nut rotates at the upper end of the locking threaded rod to limit the position of the cleaning plate, effectively limit and fix the position of the cleaning plate, and increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a top view schematic diagram of the utility model;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the cross section at AA in FIG.

[0020] Figure 4 It is a three-dimensional schematic diagram of the cleaning component of the utility model.

[0021] In the figure: 1. Cleaning device; 11. Cleaning cylinder; 12. Vertical threaded rod; 13. Plug-in cover plate; 14. Cleaning assembly; 141. Cleaning plate; 142. Cleaning scraper; 143. Locking threaded rod; 144. Cleaning roller body; 145. Connecting threaded rod; 146. Moving roller body; 147. Hexagonal nut; 15. Frequency conversion motor; 2. Support frame; 3. Drainage pipe; 4. Cleaning tank body. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 , the utility model provides the following technical solutions:

[0024] An SCR catalyst regeneration device comprises a drainage pipe 3 and a cleaning tank 4, wherein the drainage pipe 3 is fixedly connected to the lower end surface of the cleaning tank 4, a cleaning device 1 is installed inside the cleaning tank 4, and the drainage pipe 3 is fixedly connected to the bottom end surface of the cleaning tank 4.

[0025] The cleaning device 1 includes a cleaning cylinder 11, a vertical threaded rod 12, a plug-in cover plate 13, a cleaning component 14 and a variable frequency motor 15. The variable frequency motor 15 is installed at the lower end of the cleaning component 14, and the variable frequency motor 15 is installed on the bottom surface of the cleaning tank body 4. The cleaning cylinder 11 is located inside the cleaning tank body 4. The rotor of the variable frequency motor 15 drives the cleaning cylinder 11 to rotate, and the cleaning cylinder 11 can perform cleaning operations on the SCR catalyst. The variable frequency motor 15 is installed at the lower end of the cleaning cylinder 11, the vertical threaded rod 12 is fixedly connected to the inner bottom surface of the cleaning cylinder 11, the plug-in cover plate 13 is plugged into the upper inner wall surface of the cleaning cylinder 11, and the plug-in cover plate 13 is movably connected to the upper end of the vertical threaded rod 12. The plug-in cover plate 13 moves downward along the threaded end surface of the vertical threaded rod 12, so that the plug-in cover plate 13 is plugged into the upper inner wall surface of the cleaning cylinder 11, which can facilitate pouring clean water into the cleaning tank body 4.

[0026] The cleaning assembly 14 includes a cleaning plate 141, a cleaning scraper 142, a locking threaded rod 143, a cleaning roller body 144, a connecting threaded rod 145, a movable roller body 146 and a hexagonal nut 147. The locking threaded rod 143 is fixedly connected to the top surface of the cleaning scraper 142, the cleaning scraper 142 is movably connected to the inner wall surface of the cleaning tank body 4, the cleaning scraper 142 is installed on the upper end of the rotor of the variable frequency motor 15, the cleaning roller body 144 is movably connected to the inner wall surface of the cleaning tank body 4, the rotor of the variable frequency motor 15 drives the cleaning scraper 142 to rotate, and the cleaning scraper 142 can clean the dust on the bottom surface of the inside of the cleaning tank body 4, the cleaning scraper 142 is threadedly connected to the lower end of the cleaning plate 141, the cleaning plate 141 movably cleans the top surface of the tank body 4, the movable roller body 146 is movably connected to the upper end of the supporting frame 2, and the connecting threaded rod 145 is installed on the upper end of the rotor of the variable frequency motor 15. Installed on the outer end of the cleaning plate 141, rotate the hexagonal nut 147, the hexagonal nut 147 rotates on the threaded end surface of the connecting threaded rod 145, so that the movable roller body 146 can be limited at the upper end of the support frame 2, and the position of the cleaning plate 141 can be determined. The cleaning roller body 144 is installed at the middle position of the cleaning plate 141, and the frequency conversion motor 15 is installed at the lower end of the cleaning plate 141. The cleaning plate 141 is connected to the lower end inner wall surface of the cleaning cylinder 11. The rotor of the frequency conversion motor 15 drives the cleaning plate 141 to rotate. At the same time, the rotor of the frequency conversion motor 15 drives the cleaning cylinder 11 to rotate, so that the SCR catalyst can be cleaned. The hexagonal nut 147 is movably connected to the top surface of the cleaning plate 141, the hexagonal nut 147 is threadedly connected to the upper end surface of the connecting threaded rod 145, and the movable roller body 146 is fixedly connected to the bottom end surface of the connecting threaded rod 145.

[0027] When in use, push the cleaning scraper 142 upward, and the cleaning scraper 142 can push the locking threaded rod 143 upward, so that the top surface of the cleaning scraper 142 and the bottom surface of the cleaning plate 141 are connected, and the locking threaded rod 143 is inserted into the lower end surface of the cleaning plate 141, and then the nut is turned, and the nut can threadably fix the cleaning scraper 142 and the cleaning plate 141.

[0028] The cleaning plate 141 is pushed downward, and the cleaning plate 141 drives the cleaning roller 144 to move downward, the surface of the cleaning roller 144 and the inner wall surface of the cleaning tank 4 move, and the lower ends of the cleaning plate 141 and the cleaning scraper 142 are inserted into the upper end of the rotor of the variable frequency motor 15.

[0029] The cleaning cylinder 11 is pushed to move downward, and the cleaning cylinder 11 is inserted into the lower end of the cleaning plate 141 and the upper end of the rotor of the variable frequency motor 15, so that the position of the cleaning cylinder 11 can be determined.

[0030] Pour the SCR catalyst into the cleaning cylinder 11, and then push the plug-in cover 13 downward. The plug-in cover 13 can move downward along the threaded end surface of the vertical threaded rod 12, so that the plug-in cover 13 is plugged into the upper inner wall surface of the cleaning cylinder 11, and the position of the plug-in cover 13 can be adjusted.

[0031] Turn the hexagonal nut 147, which rotates on the threaded end surface of the connecting threaded rod 145, and connects the hexagonal nut 147 and the top surface of the cleaning plate 141, so that the movable roller body 146 can be limited at the upper end of the support frame 2, and the position of the cleaning plate 141 can be determined.

[0032] Pour clean water into the cleaning tank 4 so that the clean water covers the SCR catalyst, and then start the variable frequency motor 15. The rotor of the variable frequency motor 15 drives the cleaning plate 141, the cleaning scraper 142 and the cleaning cylinder 11 to rotate, thereby cleaning the SCR catalyst inside the cleaning cylinder 11.

[0033] The rotor of the variable frequency motor 15 drives the cleaning scraper 142 to rotate, and the cleaning scraper 142 can clean the dust on the bottom surface of the cleaning tank body 4, so that the electromagnetic valve connected to the drainage pipe 3 is opened, so that the waste water inside the cleaning tank body 4 can be discharged.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An SCR catalyst regeneration device, comprising a drainage pipe (3) and a cleaning tank (4), characterized in that: The lower end surface of the cleaning tank body (4) is fixedly connected to a drainage pipe (3), a cleaning device (1) is installed inside the cleaning tank body (4), and the drainage pipe (3) is fixedly connected to the bottom end surface of the cleaning tank body (4); The cleaning device (1) comprises a cleaning cylinder (11), a vertical threaded rod (12), a plug-in cover plate (13), a cleaning assembly (14) and a variable frequency motor (15); the variable frequency motor (15) is mounted on the lower end of the cleaning assembly (14); the variable frequency motor (15) is mounted on the lower end of the cleaning cylinder (11); the vertical threaded rod (12) is fixedly connected to the inner bottom surface of the cleaning cylinder (11); and the plug-in cover plate (13) is plugged into the inner wall surface of the upper end of the cleaning cylinder (11).

2. The SCR catalyst regeneration device according to claim 1, characterized in that: The cleaning assembly (14) comprises a cleaning plate (141), a cleaning scraper (142), a locking threaded rod (143), a cleaning roller body (144), a connecting threaded rod (145), a movable roller body (146) and a hexagonal nut (147); the locking threaded rod (143) is fixedly connected to the top end surface of the cleaning scraper (142); the cleaning scraper (142) is threadedly connected to the lower end of the cleaning plate (141); the cleaning roller body (144) is installed at the middle position of the cleaning plate (141); the hexagonal nut (147) is movably connected to the top end surface of the cleaning plate (141); the hexagonal nut (147) is threadedly connected to the upper end surface of the connecting threaded rod (145); and the movable roller body (146) is fixedly connected to the bottom end surface of the connecting threaded rod (145).

3. The SCR catalyst regeneration device according to claim 2, characterized in that: The variable frequency motor (15) is installed at the lower end of a cleaning plate (141), and the cleaning plate (141) is connected to the inner wall surface of the lower end of the cleaning cylinder (11).

4. The SCR catalyst regeneration device according to claim 3, characterized in that: The plug-in cover plate (13) is movably connected to the upper end of the vertical threaded rod (12).

5. The SCR catalyst regeneration device according to claim 4, characterized in that: The variable frequency motor (15) is installed on the bottom surface of the cleaning tank (4), and the cleaning cylinder (11) is located inside the cleaning tank (4).

6. The SCR catalyst regeneration device according to claim 5, characterized in that: The cleaning scraper (142) is movably connected to the inner wall surface of the cleaning tank body (4), the cleaning scraper (142) is installed on the upper end of the rotor of the variable frequency motor (15), and the cleaning roller body (144) is movably connected to the inner wall surface of the cleaning tank body (4).

7. The SCR catalyst regeneration device according to claim 6, characterized in that: The cleaning plate (141) is movably used to clean the top surface of the tank body (4); the movable roller body (146) is movably connected to the upper end of the supporting frame (2); and the connecting threaded rod (145) is installed on the outer end of the cleaning plate (141).

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