Flue gas denitration device
The electric push rod drives the sliding frame to move the cleaning component to scrape away the dust and smoke on the filter, solving specific problems that existing devices need to solve or have not been able to solve effectively during cleaning.
Patent Information
- Application Number
- CN202520390555.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing flue gas denitrification devices require shutdown and filter screen removal to clean dust accumulated on the filter screen, which is cumbersome and affects production continuity.
An electric push rod drives a sliding frame to scrape the dust off the filter in situ. The dust is then scraped into a dust collection box for collection, reducing downtime.
It enables convenient cleaning of smoke and dust on the filter screen without stopping the machine, improving production continuity and cleaning efficiency.
Smart Images

Figure CN223628303U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of flue gas denitration, especially to a flue gas denitration device. BACKGROUND
[0002] Flue gas denitration refers to the process of removing nitrogen oxides (NOx) from flue gas generated by combustion. Nitrogen oxides mainly include nitric oxide (NO) and nitrogen dioxide (NO2), which are one of the atmospheric pollutants and have adverse effects on the environment and human health. Flue gas denitration technology is widely used in power plants, industrial boilers, cement kilns, waste incinerators and other equipment that produce high-temperature flue gas to reduce NOx emissions. Before denitration treatment of flue gas, the dust in the flue gas needs to be filtered to improve the denitration efficiency.
[0003] The patent with publication number CN221015113U is a flue gas denitration device, which includes a fixed base, a reaction box, a mounting plate and a filter screen, and also includes a cleaning assembly. The cleaning assembly includes a connecting base, a cleaning box, an extension rod, a storage rack, a connecting rack, a cleaning brush, a pull rod and a extension spring. The connecting base is fixedly connected with the fixed base, the cleaning box is fixedly connected with the connecting base, the extension rod is fixedly connected with the cleaning box, the storage rack is fixedly connected with the cleaning box, the connecting rack is connected with the extension rod, the cleaning brush is fixedly connected with the connecting rack, the pull rod is fixedly connected with the connecting rack, the extension spring is arranged on the cleaning box and connected with the connecting rack. The particles on the filter screen can be cleaned by the cleaning brush, which avoids the blockage of the filter screen by a large amount of adsorbed particles and affects the denitration effect of flue gas.
[0004] However, the above-mentioned device needs to be stopped and the filter screen needs to be disassembled when cleaning the dust accumulated on the filter screen, which is troublesome. Therefore, a flue gas denitration device that can be cleaned directly in situ, reduce downtime and is more convenient is developed. UTILITY MODEL CONTENT
[0005] In order to overcome the shortcomings of the existing device that needs to be stopped and the filter screen needs to be disassembled when cleaning the dust accumulated on the filter screen, which is troublesome, the utility model provides a flue gas denitration device that can be cleaned directly in situ, reduce downtime and is more convenient.
[0006] Technical solution: A flue gas denitration device, including bottom plate, processing bin, filter, smoke inlet assembly, smoke outlet pipe, dust collecting box, ash guide, support seat and cleaning assembly, the upper side of the bottom plate is connected with the processing bin, a plurality of filters are connected inside the processing bin, the lower part of the processing bin is connected with the smoke outlet pipe, the processing bin is connected with the dust collecting box, a plurality of ash guides are connected on the dust collecting box, the bottom plate is connected with the support seat, the support seat and the processing bin are connected with the smoke inlet assembly, the processing bin is connected with the cleaning assembly, the flue gas enters the processing bin through the smoke inlet assembly, and the flue gas successively passes through the filter, the smoke dust in the flue gas is filtered, and the smoke dust accumulated on the filter plate is scraped to the ash guide through the cleaning assembly and then enters the dust collecting box for collection.
[0007] In addition, it is particularly preferred that the smoke inlet assembly comprises a smoke inlet pipe and a smoke inlet bin, the support seat and the processing bin are connected with the smoke inlet bin, and the lower part of the smoke inlet bin is connected with the smoke inlet pipe.
[0008] In addition, it is particularly preferred that the smoke inlet pipe and the smoke outlet pipe are both provided with connecting flanges.
[0009] In addition, it is particularly preferred that the device further comprises a concentrating frame, the lower part of the dust collecting box is connected with the concentrating frame, and the smoke dust is collected through the concentrating frame.
[0010] In addition, it is particularly preferred that the device further comprises a handle, and the handle is connected to the concentrating frame.
[0011] In addition, it is particularly preferred that the cleaning assembly comprises a connecting seat, an electric push rod, a connecting frame, a cleaning piece and a sliding frame, the upper and lower parts of the processing bin are both connected with the connecting seat, the electric push rod is connected to the connecting seat, the telescopic ends of the electric push rod are connected with the sliding frame, the sliding frame is slidably connected with the processing bin and the dust collecting box, a plurality of connecting frames are connected to the sliding frame, and the cleaning piece is connected to the connecting frame, the telescopic ends of the electric push rod drive the sliding frame to move, and the sliding frame moves to drive the cleaning piece to scrape off the smoke dust accumulated on the filter through the connecting frame.
[0012] Compared with the prior art, the utility model has the following advantages: the telescopic ends of the electric push rod drive the sliding frame to move, the sliding frame moves to drive the cleaning piece to scrape off the smoke dust accumulated on the filter through the connecting frame, the effect of directly cleaning in situ can be achieved, the downtime is reduced, and the effect is more convenient. ACCURATE DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is a structure schematic diagram of the utility model.
[0015] Figure 3The utility model discloses a three -dimensional structure sectional view.
[0016] Figure 4 The utility model discloses a structural sectional view.
[0017] Among them, the above-mentioned drawing includes the following sign: 1, bottom plate, 2, processing bin, 21, filter piece, 3, go into the smoke subassembly, 4, go out the smoke pipe, 5, dust collecting box, 51, guide ash piece, 6, centralized frame, 7, handle, 8, connecting seat, 9, electric push rod, 10, connecting frame, 11, cleaning piece, 12, sliding frame, 13, support seat. DETAILED DESCRIPTION
[0018] In order to make the utility model purposes, technical schemes and advantages more clear and obvious, below, combining with specific implementation and referring to attached drawing, the utility model is more detailedly explained. It should be understood that these descriptions are only exemplary, and are not to limit the scope of the utility model. Moreover, in the following explanation, the description of known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.
[0019] A flue gas denitration device, as shown in Figures 1-4 The bottom plate 1 is connected with the processing bin 2 on the upside, five filter pieces 21 are connected inside the processing bin 2, the processing bin 2 is connected with the dust collecting box 5 on the upside, the dust collecting box 5 is connected with five guide ash pieces 51, the bottom plate 1 is connected with the support seat 13, the support seat 13 is connected with the smoke inlet subassembly 3 between the processing bin 2, the processing bin 2 is connected with the cleaning assembly, the flue gas enters the processing bin 2 through the smoke inlet subassembly 3, and sequentially passes through the filter piece 21, filters the smoke dust in the flue gas, and then the smoke dust accumulated on the filter plate is scraped to the guide ash piece 51 through the cleaning assembly and then enters the dust collecting box 5 to be collected.
[0020] The smoke inlet subassembly 3 includes a smoke inlet pipe and a smoke inlet bin, and the smoke inlet bin is connected between the support seat 13 and the processing bin 2, and the smoke inlet pipe is connected to the lower part of the smoke inlet bin, and the flue gas enters the processing bin 2 through the smoke inlet pipe and the smoke inlet bin.
[0021] Further comprising a centralized frame 6, and the dust collecting box 5 is connected with the centralized frame 6 on the lower part, and the centralized frame 6 is used for collecting the smoke dust.
[0022] Further comprising a handle 7, and the handle 7 is connected to the centralized frame 6.
[0023] The cleaning assembly comprises connecting seats 8, electric push rods 9, connecting frames 10, cleaning pieces 11 and a sliding frame 12, the upper and lower parts of the treatment bin 2 are connected with the connecting seats 8, the connecting seats 8 are connected with the electric push rods 9, the sliding ends of the electric push rods 9 are connected with the sliding frame 12, the sliding frame 12 is slidably connected with the treatment bin 2 and the dust collecting box 5, the sliding frame 12 is connected with five connecting frames 10, the connecting frames 10 are connected with the cleaning pieces 11, the sliding frame 12 is driven to move by the sliding ends of the electric push rods 9, and the cleaning pieces 11 are driven to move by the connecting frames 10 to scrape off the accumulated dust on the filter piece 21.
[0024] In use, the utility model is first installed in the operation area, then the conveying equipment is connected with the smoke inlet pipe, the flue gas enters the treatment bin 2 through the smoke inlet pipe and the smoke inlet bin, the flue gas in the treatment bin 2 passes through the filter piece 21 from top to bottom in turn, and is discharged from the smoke outlet pipe 4, the carried dust can be filtered in the flue gas flowing process, after the filter piece 21 is used for a period of time, the sliding frame 12 is driven to move by the sliding ends of the electric push rod 9, the cleaning pieces 11 are driven to move by the connecting frames 10 to scrape off the accumulated dust on the filter piece 21, so that the accumulated dust on the filter plate is scraped and sent to the ash guide piece 51, then enters the dust collecting box 5 under the guidance of the ash guide piece 51, and the dust is collected through the collecting frame 6, after the dust fills the collecting frame 6, the handle 7 can be pulled to pull out the collecting frame 6, and the collected dust is treated.
[0025] The above embodiments are provided for persons skilled in the art to implement or use the utility model, and the persons skilled in the art can make various modifications or changes to the above embodiments without departing from the utility model idea of the utility model, so the protection scope of the utility model is not limited by the above embodiments, but should be the maximum scope meeting the innovative features mentioned in the claims.
Claims
1. A flue gas denitration device, characterized by comprising The utility model provides a bottom plate (1), processing bin (2), filter piece (21), go up the component (3) of cigarette, go out the pipe (4) of cigarette, dust collecting box (5), guide ash piece (51), support seat (13) and cleaning component, bottom plate (1) upper side is connected with processing bin (2), processing bin (2) inside is connected with a plurality of filter piece (21), processing bin (2) lower part is connected with go out the pipe (4) of cigarette, processing bin (2) is connected with dust collecting box (5) on, dust collecting box (5) is connected with a plurality of guide ash piece (51) on, bottom plate (1) is connected with support seat (13), support seat (13) is connected with go up the component (3) of cigarette between processing bin (2), processing bin (2) is connected with cleaning component on.
2. The flue gas denitration apparatus according to claim 1, characterized by Go up the component (3) of cigarette includes go up the pipe of cigarette and go up the bin of cigarette, support seat (13) is connected with go up the bin of cigarette between processing bin (2), go up the bin of cigarette lower part is connected with go up the pipe of cigarette.
3. The flue gas denitration apparatus according to claim 2, characterized by Go up the pipe of cigarette and go out the pipe (4) of cigarette all are equipped with the connecting flange on.
4. The flue gas denitration apparatus according to claim 3, characterized by Still include the concentrated frame (6), dust collecting box (5) lower part is connected with the concentrated frame (6).
5. The flue gas denitration apparatus according to claim 4, wherein Still include the handle (7), the concentrated frame (6) is connected with the handle (7) on.
6. The flue gas denitration apparatus according to claim 5, wherein Cleaning component includes connecting seat (8), electric push rod (9), connecting frame (10), cleaning piece (11) and sliding frame (12), processing bin (2) both upper and lower parts are connected with connecting seat (8), connecting seat (8) all are connected with electric push rod (9) on, the telescopic end between electric push rod (9) is connected with sliding frame (12), sliding frame (12) is slidably connected with processing bin (2) and dust collecting box (5), sliding frame (12) is connected with a plurality of connecting frame (10) on, connecting frame (10) all are connected with cleaning piece (11) on.
Citation Information
Patent Citations
A flue gas denitrification device
CN221015113U