Flue gas denitration catalyst cleaning and regenerating device

By designing a flue gas denitrition catalyst cleaning and regeneration device that includes a box, water tank, water pump, lifting assembly and spray head, the problem that existing devices are difficult to clean the top and bottom of the catalyst is solved, and all-round cleaning is achieved and efficiency is improved and effects.

CN222489594UActive Publication Date: 2025-02-18SHANDONG RUIKELIN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420989647.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-02-18
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing flue gas denitrification catalyst cleaning and regeneration device is difficult to effectively clean the top and bottom of the catalyst, resulting in a reduction in cleaning efficiency and effect, and multiple cleanings are required to increase the workload of the staff.

Method used

A cleaning and regeneration device including a box, a water tank, a water pump, a lifting assembly and a nozzle is designed. The catalyst can be moved up and down through the lifting assembly, and the catalyst is cleaned in all aspects through the water pump and a nozzle system.

Benefits of technology

The comprehensive cleaning of the catalyst is achieved, the cleaning efficiency and effect are improved, the demand for multiple cleanings is reduced, and the workload of staff is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flue gas denitration catalyst cleaning and regenerating device which comprises a box body, and a water tank is fixedly installed on one side of the box body. A water pump is fixedly installed on one side of the top surface of the water tank, a water inlet pipe is fixedly connected to one side surface of the water pump, the side surface, away from the water pump, of the water inlet pipe is in through connection with the water tank, a water outlet pipe is fixedly connected to the other side surface of the water pump, and the side surface, away from the water pump, of the water outlet pipe is in through connection with the box body; a lifting assembly is arranged in the box body; by arranging the lifting assembly, a catalyst is lifted and rotated, different positions of the catalyst can be rapidly cleaned, and therefore the cleaning efficiency of the catalyst is improved. Meanwhile, by arranging a water tank, a water pump, a water inlet pipe, a water outlet pipe, a connecting pipe, a first water spraying pipe, a limiting sleeve, a second water spraying pipe, an inclined plate, a spraying head, a water discharging pipe and a valve, the cleaning efficiency of the catalyst is improved; and the catalyst can be better cleaned.
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Description

Technical Field

[0001] The utility model relates to the technical field of cleaning and regeneration devices, in particular to a flue gas denitration catalyst cleaning and regeneration device. Background Art

[0002] The chemical life of the vanadium-titanium catalyst used in SCR flue gas denitrification is 20,000 to 24,000 hours, and the mechanical life is 10 years. However, in actual applications, due to the influence of product quality and operating environment, few catalysts can reach their theoretical life. Generally, their activity decreases after 2 to 3 years of use and they need to be cleaned and regenerated. Commonly used cleaning methods include dry compressed air blowing and cleaning, dry negative pressure suction, high-pressure water flushing, bubbling cleaning, chemical cleaning, ultrasonic cleaning, etc.

[0003] Publication No. CN214182563U discloses a flue gas denitration catalyst cleaning and regeneration device, which is provided by installing a fixed shaft at the upper end of the mesh cage, a swinging device at the lower end of the mesh cage, starting a motor, and controlling the worm to rotate when the motor is running. The worm and the roller group mesh to move the crank above the roller group, and the mesh cage connected to the crank swings, so that the catalyst moves synchronously in the mesh cage, so that the mesh cage swings during the cleaning process, and the catalyst in the mesh cage swings together, and at the same time, the water flow ejected from the aeration head can clean multiple positions of the catalyst, thereby further improving the cleaning efficiency. However, the following problems still exist in the actual use of this patent:

[0004] By installing a fixed shaft at the upper end of the mesh cage and a swing device at the bottom of the mesh cage, the motor is started, and the motor runs to control the rotation of the worm. The worm and the roller group mesh to move the crank above the roller group, and the mesh cage connected to the crank swings, thereby further improving the cleaning efficiency. However, this can only clean the catalyst at different positions on the left and right, and cannot effectively clean the top or bottom of the catalyst, thereby reducing the cleaning efficiency and effect of the catalyst, and making it necessary to clean the catalyst multiple times, which increases the workload of the staff.

[0005] A flue gas denitration catalyst cleaning and regeneration device is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a flue gas denitration catalyst cleaning and regeneration device to solve the problem proposed in the above background technology that a fixed shaft is installed at the upper end of the mesh cage, a swing device is installed below the mesh cage, a motor is started, the motor runs to control the rotation of the worm, the worm and the roller group move through meshing motion, and the crank above the roller group moves, and the mesh cage connected to the crank swings, thereby further improving the cleaning efficiency. However, this can only clean the catalyst at different left and right positions, and cannot effectively clean the top or bottom of the catalyst, thereby reducing the cleaning efficiency and effect of the catalyst, and making it necessary to clean the catalyst multiple times, which increases the workload of the staff.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flue gas denitration catalyst cleaning and regeneration device, comprising a box body, a water tank is fixedly installed on one side of the box body;

[0008] A water pump is fixedly installed on one side of the top surface of the water tank, a water inlet pipe is fixedly connected to one side of the water pump, a side of the water inlet pipe away from the water pump is connected to the water tank, and a water outlet pipe is fixedly connected to the other side of the water pump, a side of the water outlet pipe away from the water pump is connected to the tank body;

[0009] Also includes:

[0010] A lifting assembly is arranged inside the box;

[0011] The lifting assembly includes a bottom plate fixedly connected to the box body, connecting plates are symmetrically installed on both sides of the top surface of the bottom plate, an extension plate is fixedly connected to one side surface of the connecting plate close to the top, and a driving motor is fixedly installed on the top surface of the extension plate;

[0012] The output end of the driving motor is fixedly connected to a first pulley, a surface of the first pulley is bonded to a belt, and a surface of the belt away from the first pulley is bonded to a second pulley.

[0013] Preferably, the other side surface of the connecting plate close to the top is fixedly connected to a supporting plate, the middle of the top surface of the supporting plate is rotatably connected to a rotating rod, and the top surface of the rotating rod is fixedly connected to the second pulley.

[0014] Preferably, an electric push rod is fixedly connected to the middle of the top surface of the base plate, a fixed plate is fixedly connected to the top surface of the electric push rod, fixed columns are symmetrically installed on both sides of the top surface of the fixed plate, a placement plate is fixedly connected to the top surface of the fixed column, the placement plate is slidably connected to the box body, and a plurality of aeration heads are fixedly installed on the top surface of the fixed plate.

[0015] Preferably, telescopic rods are symmetrically mounted on both sides of the top surface of the second pulley, and the top surfaces of the telescopic rods are fixedly connected to the fixing plate.

[0016] Preferably, a connecting pipe is connected through the surface of the water outlet pipe on one side away from the water pump, a first water spray pipe is connected through both sides of the surface of the connecting pipe, a plurality of limiting sleeves are connected through the surface of the first water spray pipe, the limiting sleeves are fixedly connected to the box body, a second water spray pipe is connected through the surface of the first water spray pipe away from the connecting pipe, an inclined plate is fixedly installed below the first water spray pipe, and nozzles are connected through the surfaces of the first water spray pipe and the second water spray pipe.

[0017] Preferably, the inclined plate is connected through the electric push rod, and the inclined plate is connected through the telescopic rod.

[0018] Preferably, a drainage pipe is connected through one side surface of the box body close to the middle, and a valve is fixedly installed inside the drainage pipe.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the flue gas denitration catalyst cleaning and regeneration device can lift and rotate the catalyst by setting a lifting component, so that different positions of the catalyst can be quickly cleaned, thereby improving the cleaning efficiency of the catalyst, and at the same time, by setting a water tank, a water pump, a water inlet pipe, a water outlet pipe, a connecting pipe, a first water spray pipe, a limit sleeve, a second water spray pipe, a ramp plate, a nozzle, a drain pipe and a valve, the catalyst can be better cleaned. The specific contents are as follows:

[0020] 1. By setting a lifting component, starting a driving motor and an electric push rod, the electric push rod can drive the fixed plate to rise, and the fixed plate can drive the placement plate to rise, and the placement plate can drive the catalyst placed on the placement plate to rise, so that the catalyst can be cleaned up and down. At the same time, the start of the driving motor can drive the rotation of the first pulley, and the rotation of the first pulley can drive the rotation of the belt, and the rotation of the belt can drive the rotation of the second pulley. The rotation of the second pulley can drive the rotation of the telescopic rod, and the rotation of the telescopic rod can drive the rotation of the fixed plate and the placement plate, so that the catalyst can be driven to rotate, so that different positions of the catalyst can be cleaned, so that the cleaning efficiency of the catalyst can be improved;

[0021] 2. Through the water tank, water pump, water inlet pipe, water outlet pipe, connecting pipe, first water spray pipe, limit sleeve, second water spray pipe, inclined plate, nozzle, drain pipe and valve, the clean water in the water tank is transported to the inside of the water outlet pipe through the water pump, and then transported to the inside of the first water spray pipe by the water outlet pipe. After the clean water enters the first water spray pipe, it is sprayed out through the nozzle, so that the catalyst can be cleaned. At the same time, part of the clean water in the first water spray pipe will flow into the second water spray pipe and be sprayed out through the nozzle on the second water spray pipe, so as to facilitate the cleaning of the catalyst. At the same time, through the action of the drain pipe and the valve, the clean water after spraying can be recycled, thereby reducing waste and effectively reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the overall operation structure of the utility model;

[0025] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0026] Figure 5 It is a schematic diagram of the top view of the box structure in the utility model.

[0027] In the figure: 1. box body; 2. water tank; 3. water pump; 4. water inlet pipe; 5. water outlet pipe; 6. connecting pipe; 7. first water spray pipe; 8. limiting sleeve; 9. second water spray pipe; 10. inclined plate; 11. lifting assembly; 1101. bottom plate; 1102. connecting plate; 1103. extension plate; 1104. driving motor; 1105. first pulley; 1106. belt; 1107. second pulley; 1108. supporting plate; 1109. rotating rod; 1110. electric push rod; 1111. fixing plate; 1112. fixing column; 1113. placing plate; 1114. telescopic rod; 1115. aeration head; 12. nozzle; 13. drain pipe; 14. valve. DETAILED DESCRIPTION

[0028] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a flue gas denitration catalyst cleaning and regeneration device, including a box body 1, a water tank 2 is fixedly installed on one side of the box body 1; a water pump 3 is fixedly installed on one side of the top surface of the water tank 2, and a water inlet pipe 4 is fixedly connected to one side of the water pump 3. The surface of the water inlet pipe 4 on the side away from the water pump 3 is connected to the water tank 2, and the other side of the water pump 3 is fixedly connected to the water outlet pipe 5. The surface of the water outlet pipe 5 on the side away from the water pump 3 is connected to the box body 1; it also includes: a lifting component 11 is arranged inside the box body 1; wherein the lifting component 11 includes a lifting component 11 connected to the box body 1, a bottom plate 1101 is fixedly connected, connecting plates 1102 are symmetrically installed on both sides of the top surface of the bottom plate 1101, an extension plate 1103 is fixedly connected to the side surface of the connecting plate 1102 close to the top, and a driving motor 1104 is fixedly installed on the top surface of the extension plate 1103; wherein, a first pulley 1105 is fixedly connected to the output end of the driving motor 1104, a belt 1106 is attached to the surface of the first pulley 1105, and a second pulley 1107 is attached to the side surface of the belt 1106 away from the first pulley 1105, such as Figure 1-4 As shown, by providing the lifting assembly 11, the catalyst can be fully cleaned, thereby improving the cleaning efficiency of the catalyst.

[0030] A support plate 1108 is fixedly connected to the other side surface of the connecting plate 1102 near the top, a rotating rod 1109 is rotatably connected to the middle of the top surface of the support plate 1108, and the top surface of the rotating rod 1109 is fixedly connected to the second pulley 1107. An electric push rod 1110 is fixedly connected to the middle of the top surface of the bottom plate 1101, and a fixed plate 1111 is fixedly connected to the top surface of the electric push rod 1110. Fixed columns 1112 are symmetrically installed on both sides of the top surface of the fixed plate 1111, and a placement plate 1113 is fixedly connected to the top surface of the fixed column 1112. The placement plate 1113 is slidably connected to the box body 1, and a plurality of aeration heads 1115 are fixedly installed on the top surface of the fixed plate 1111. Telescopic rods 1114 are symmetrically installed on both sides of the top surface of the second pulley 1107, and the top surface of the telescopic rod 1114 is fixedly connected to the fixed plate 1111. Figure 3 , 4As shown, by starting the drive motor 1104 and the electric push rod 1110, the electric push rod 1110 can drive the fixed plate 1111 to rise, and the fixed plate 1111 can drive the placement plate 1113 to rise, and the placement plate 1113 can drive the catalyst placed on the placement plate 1113 to rise, so that the catalyst can be cleaned up and down. At the same time, the start of the drive motor 1104 can drive the first pulley 1105 to rotate, and the rotation of the first pulley 1105 can drive the belt 1106 to rotate, and the rotation of the belt 1106 can drive the second pulley 1107 to rotate, and the rotation of the second pulley 1107 can drive the telescopic rod 1114 to rotate, and the telescopic rod 1114 can be driven by the telescopic rod 1114. The rotation of 114 can drive the rotation of the fixed plate 1111 and the placement plate 1113, thereby driving the rotation of the catalyst, so that different positions of the catalyst can be cleaned, thereby improving the cleaning efficiency of the catalyst, and as the clean water continues to flow down, the clean water will submerge the aeration head 1115, so that the aeration head 1115 can clean the inner layer of the catalyst, and the electric push rod 1110 and the second pulley 1107 are connected through sliding, so that when the second pulley 1107 rotates, it will not drive the rotation of the electric push rod 1110, and the model of the electric push rod 1110 is NKLA34, and a plurality of holes are provided on the surfaces of the fixed plate 1111 and the placement plate 1113 to facilitate the outflow of clean water.

[0031] A connecting pipe 6 is connected through the surface of the water outlet pipe 5 away from the water pump 3, and first water spray pipes 7 are connected through the two sides of the surface of the connecting pipe 6. A plurality of limiting sleeves 8 are connected through the surface of the first water spray pipe 7, and the limiting sleeves 8 are fixedly connected to the box body 1. A second water spray pipe 9 is connected through the surface of the first water spray pipe 7 away from the connecting pipe 6. An inclined plate 10 is fixedly installed below the first water spray pipe 7. The surfaces of the first water spray pipe 7 and the second water spray pipe 9 are both connected through the surfaces of the first water spray pipe 7 and the second water spray pipe 9. Figure 5 As shown, the catalyst can be cleaned by the nozzles 12 on the first water spray pipe 7 and the second water spray pipe 9, and the model of the nozzle 12 is ZSTMA8.

[0032] The inclined plate 10 is connected to the electric push rod 1110, and the inclined plate 10 is connected to the telescopic rod 1114. Figure 2 As shown, it is convenient to discharge the clean water after being sprayed out.

[0033] A drain pipe 13 is connected to the surface of one side of the box body 1 near the middle, and a valve 14 is fixedly installed inside the drain pipe 13. Figure 2As shown, through the cooperation between the drain pipe 13 and the valve 14, the clean water after being sprayed can be recycled, thereby reducing waste and effectively reducing costs.

[0034] Working principle: Before using this flue gas denitrification catalyst cleaning and regeneration device, it is necessary to first check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 5 As shown, first, after placing the catalyst on the placement plate 1113, by starting the drive motor 1104 and the electric push rod 1110, the electric push rod 1110 can drive the fixed plate 1111 to rise, and the rise of the fixed plate 1111 can drive the placement plate 1113 to rise, and the rise of the placement plate 1113 can drive the catalyst placed on the placement plate 1113 to rise, so that the catalyst can be cleaned up and down, and at the same time, the start of the drive motor 1104 can drive the rotation of the first pulley 1105, and the rotation of the first pulley 1105 can drive the rotation of the belt 1106, and the rotation of the belt 1106 can drive the second pulley 110 7, the rotation of the second pulley 1107 can drive the rotation of the telescopic rod 1114, and the rotation of the telescopic rod 1114 can drive the rotation of the fixed plate 1111 and the placement plate 1113, thereby driving the rotation of the catalyst, so that different positions of the catalyst can be cleaned, thereby improving the cleaning efficiency of the catalyst, and at the same time, as the clean water continues to flow down, the clean water will submerge the aeration head 1115, so that the aeration head 1115 can clean the inner layer of the catalyst, and at the same time, the electric push rod 1110 and the second pulley 1107 are connected through the sliding connection, so that when the second pulley 1107 rotates, it will not drive the rotation of the electric push rod 1110.

[0035] Secondly, through the water tank 2, water pump 3, water inlet pipe 4, water outlet pipe 5, connecting pipe 6, first water spray pipe 7, limit sleeve 8, second water spray pipe 9, inclined plate 10, nozzle 12, drain pipe 13 and valve 14, the clean water in the water tank 2 is transported to the inside of the water outlet pipe 5 through the water pump 3, and then transported to the inside of the first water spray pipe 7 through the water outlet pipe 5. After the clean water enters the first water spray pipe 7, it is sprayed out through the nozzle 12, so that the catalyst can be cleaned. At the same time, part of the clean water in the first water spray pipe 7 will flow into the second water spray pipe 9 and be sprayed out through the nozzle 12 on the second water spray pipe 9, so as to facilitate the cleaning of the catalyst. At the same time, through the action of the drain pipe 13 and the valve 14, the clean water after spraying can be recycled, thereby reducing waste, thereby effectively reducing costs.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A flue gas denitration catalyst cleaning and regeneration device, comprising a housing (1), a water tank (2) being fixedly mounted on one side of the housing (1); A water pump (3) is fixedly mounted on one side of the top surface of the water tank (2); a water inlet pipe (4) is fixedly connected to one side of the surface of the water pump (3); a side of the surface of the water inlet pipe (4) away from the water pump (3) is connected to the water tank (2); a water outlet pipe (5) is fixedly connected to the other side of the surface of the water pump (3); a side of the surface of the water outlet pipe (5) away from the water pump (3) is connected to the box body (1); It is characterized in that Also includes: A lifting assembly (11) is arranged inside the box (1); The lifting assembly (11) comprises a bottom plate (1101) fixedly connected to the box body (1), connecting plates (1102) are symmetrically mounted on both sides of the top surface of the bottom plate (1101), an extension plate (1103) is fixedly connected to a side surface of the connecting plate (1102) close to the top, and a driving motor (1104) is fixedly mounted on the top surface of the extension plate (1103); The output end of the driving motor (1104) is fixedly connected to a first pulley (1105), the surface of the first pulley (1105) is bonded to a belt (1106), and the surface of the belt (1106) away from the first pulley (1105) is bonded to a second pulley (1107).

2. A flue gas denitration catalyst cleaning and regeneration device according to claim 1, characterized in that: The other side surface of the connecting plate (1102) close to the top is fixedly connected to a support plate (1108), the middle of the top surface of the support plate (1108) is rotatably connected to a rotating rod (1109), and the top surface of the rotating rod (1109) is fixedly connected to the second pulley (1107).

3. A flue gas denitration catalyst cleaning and regeneration device according to claim 1, characterized in that: An electric push rod (1110) is fixedly connected to the middle of the top surface of the bottom plate (1101), a fixing plate (1111) is fixedly connected to the top surface of the electric push rod (1110), fixing columns (1112) are symmetrically installed on both sides of the top surface of the fixing plate (1111), a placement plate (1113) is fixedly connected to the top surface of the fixing columns (1112), the placement plate (1113) is slidably connected to the box body (1), and a plurality of aeration heads (1115) are fixedly installed on the top surface of the fixing plate (1111).

4. A flue gas denitration catalyst cleaning and regeneration device according to claim 2, characterized in that: Telescopic rods (1114) are symmetrically mounted on both sides of the top surface of the second pulley (1107), and the top surface of the telescopic rods (1114) is fixedly connected to the fixing plate (1111).

5. The flue gas denitration catalyst cleaning and regeneration device according to claim 1, characterized in that: A connecting pipe (6) is connected through the surface of the water outlet pipe (5) at one side away from the water pump (3); first water spray pipes (7) are connected through both sides of the surface of the connecting pipe (6); a plurality of limiting sleeves (8) are connected through the surface of the first water spray pipe (7); the limiting sleeves (8) are fixedly connected to the box body (1); a second water spray pipe (9) is connected through the surface of the first water spray pipe (7) at one side away from the connecting pipe (6); an inclined plate (10) is fixedly installed below the first water spray pipe (7); and nozzles (12) are connected through the surfaces of both the first water spray pipe (7) and the second water spray pipe (9).

6. A flue gas denitration catalyst cleaning and regeneration device according to claim 5, characterized in that: The inclined plate (10) is connected through the electric push rod (1110), and the inclined plate (10) is connected through the telescopic rod (1114).

7. A flue gas denitration catalyst cleaning and regeneration device according to claim 1, characterized in that: A drainage pipe (13) is connected through a surface of one side of the box body (1) close to the middle, and a valve (14) is fixedly installed inside the drainage pipe (13).

Citation Information

Patent Citations

  • Flue gas denitration catalyst cleaning and regenerating device

    CN214182563U