Flue gas filtering device

Abstract

The utility model discloses a flue gas filtering device which comprises a filter shell, filter screens are installed in the filter shell at intervals, a cleaning opening is formed in the bottom of the filter shell, butt joint openings are fixedly formed in the two ends of the filter shell, and a cleaning mechanism is arranged in the filter shell and located in front of the filter screens. The cleaning mechanism comprises positioning frame bodies fixed to the two ends of the filter shell, positioning clamping sleeves are fixedly installed on the positioning frame bodies, a movable shaft is movably installed between the positioning clamping sleeves, a connecting clamping sleeve is fixedly installed on the movable shaft, and a cleaning frame is fixedly installed on the connecting clamping sleeve. A cleaning scraper blade is fixedly mounted on the cleaning frame, and a driving mechanism is arranged on the filter shell. According to the flue gas filtering device disclosed by the utility model, flue gas can be filtered through the filter screen in the filter shell, and the cleaning mechanism can be driven to operate through the driving mechanism, so that manual work is replaced to automatically clean the filter screen, and the flue gas filtering device is convenient for a user to use.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering, in particular to a smoke filtering device. Background Art

[0002] A boiler is a device that uses the heat energy released by fuel combustion or other heat energy to heat water or other working fluids to produce steam, hot water or other working fluids with specified parameters and quality. A large amount of flue gas will be generated during the use of the boiler. In order to reduce pollution, a filter needs to be installed on the exhaust pipe. However, the smoke generated by the filtration will accumulate on the filter screen inside the filter, causing the filter screen to be blocked. After the filter screen is blocked, the staff needs to disassemble the filter to clean the smoke dust, which is inconvenient to use. Therefore, a flue gas filtration device is proposed. Utility Model Content

[0003] The main purpose of the utility model is to provide a smoke filtering device, which can effectively solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A smoke filtering device comprises a filter housing, wherein filter screens are installed at intervals in the filter housing, a cleaning port is provided at the bottom of the filter housing, docking ports are fixedly provided at both ends of the filter housing, a cleaning mechanism is provided in the filter housing in front of the filter screen, the cleaning mechanism comprises a positioning frame fixed at both ends of the filter housing, a positioning sleeve is fixedly installed on the positioning frame, a movable shaft is movably installed between the positioning sleeves, a connecting sleeve is fixedly installed on the movable shaft, a cleaning frame is fixedly installed on the connecting sleeve, a cleaning scraper is fixedly installed on the cleaning frame, a driving mechanism is provided on the filter housing, the driving mechanism comprises a driving motor fixed to the outside of the filter housing and a retaining frame fixed in the filter housing, a movable hole is provided on the retaining frame, a driving shaft is movably installed in the movable hole, a worm is fixedly installed at the end of the driving shaft, and a worm wheel is fixedly installed on the movable shaft.

[0006] Furthermore, a connecting groove is provided on the cleaning frame, and the cleaning scraper is connected to the cleaning frame through the connecting groove, and the end of the cleaning scraper contacts the surface of the filter screen.

[0007] Furthermore, a bearing is provided in the positioning sleeve, the movable shaft is movably mounted on the positioning sleeve via the bearing, the cleaning frame is fixed on the movable shaft via a connecting sleeve, and a sealing ring is provided at the connection between the movable shaft and the filter screen.

[0008] Furthermore, a coupling is provided at the output end of the driving motor, and the driving shaft is fixed to the output end of the driving motor through the coupling.

[0009] Furthermore, the driving shaft is movably mounted on the retaining frame through a movable hole, the worm is movably mounted on one side of the worm through the driving shaft, and the worm wheel is meshed with the worm.

[0010] Furthermore, a sealing plug is provided in the cleaning port, and the filter housing is connected to the pipeline through a docking port.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] When in use, the filter housing can be connected to the smoke exhaust pipe through the docking interface, and the smoke can be filtered through the filter screen in the filter housing. When the filter screen is blocked, the cleaning port can be opened, and the drive motor can be started after opening the cleaning port. After starting the drive motor, the drive shaft will drive the worm to rotate, and after the worm rotates, it will drive the movable shaft on the worm wheel to rotate, and after the movable shaft rotates, it will drive the cleaning scraper on the cleaning frame to rotate along the filter screen, thereby automatically cleaning the filter screen instead of manually, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the cleaning mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the driving mechanism of the utility model.

[0017] In the figure: 1. filter housing; 2. filter screen; 3. cleaning port; 4. docking port; 5. cleaning mechanism; 501. positioning frame; 502. positioning sleeve; 503. movable shaft; 504. connecting sleeve; 505. cleaning frame; 506. cleaning scraper; 6. driving mechanism; 601. driving motor; 602. retaining frame; 603. driving shaft; 604. movable hole; 605. worm wheel; 606. worm. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1As shown, a smoke filtering device comprises a filter housing 1, filter screens 2 are installed at intervals in the filter housing 1, a cleaning port 3 is opened at the bottom of the filter housing 1, docking ports 4 are fixedly provided at both ends of the filter housing 1, a cleaning mechanism 5 is provided in the filter housing 1 in front of the filter screen 2, a driving mechanism 6 is provided on the filter housing 1, a sealing plug is provided in the cleaning port 3, the filter housing 1 is connected to the smoke exhaust pipe through the docking port 4, the smoke can be filtered through the filter screen 2 in the filter housing 1, and the cleaning mechanism 5 can be driven to operate by the driving mechanism 6, so as to automatically clean the filter screen 2 instead of manually, which is convenient for users to use.

[0020] like Figure 2 Figure 4 As shown, the driving mechanism 6 includes a driving motor 601 fixed to the outside of the filter housing 1 and a retaining frame 602 fixed in the filter housing 1, a movable hole 604 is opened on the retaining frame 602, a driving shaft 603 is movably installed in the movable hole 604, a worm 606 is fixedly installed at the end of the driving shaft 603, a worm wheel 605 is fixedly installed on the movable shaft 503, a coupling is provided at the output end of the driving motor 601, the driving shaft 603 is fixed to the output end of the driving motor 601 through the coupling, the driving shaft 603 is movably installed on the retaining frame 602 through the movable hole 604, the worm 606 is movably installed on one side of the worm 606 through the driving shaft 603, and the worm wheel 605 is meshed with the worm 606.

[0021] Specifically, the driving motor 601 can drive the driving shaft 603 to rotate. After the driving shaft 603 rotates, it will drive the driving worm 606 to rotate. After the worm 606 rotates, it will drive the worm wheel 605 to rotate, thereby driving the cleaning mechanism 5 to operate.

[0022] like Figure 2 Figure 3 As shown, the cleaning mechanism 5 includes a positioning frame 501 fixed at both ends of the filter housing 1, a positioning sleeve 502 is fixedly installed on the positioning frame 501, a movable shaft 503 is movably installed between the positioning sleeves 502, a connecting sleeve 504 is fixedly installed on the movable shaft 503, a cleaning frame 505 is fixedly installed on the connecting sleeve 504, a cleaning scraper 506 is fixedly installed on the cleaning frame 505, a connecting groove is opened on the cleaning frame 505, the cleaning scraper 506 is connected to the cleaning frame 505 through the connecting groove, and the end of the cleaning scraper 506 contacts the surface of the filter screen 2, a bearing is arranged in the positioning sleeve 502, the movable shaft 503 is movably installed on the positioning sleeve 502 through the bearing, the cleaning frame 505 is fixed on the movable shaft 503 through the connecting sleeve 504, and a sealing ring is arranged at the connection between the movable shaft 503 and the filter screen 2.

[0023] Specifically, after the worm gear 605 rotates, it will drive the movable shaft 503 to rotate. After the movable shaft 503 rotates, it will drive the cleaning scraper 506 on the cleaning frame 505 to rotate close to the filter screen 2, thereby cleaning the smoke and dust on the filter screen 2. The cleaned smoke and dust will be discharged from the filter housing 1 through the cleaning port 3.

[0024] It should be noted that the utility model is a smoke filtering device. In actual use, the filter housing 1 is first connected to the smoke exhaust pipe through the docking port 4, and the smoke can be filtered through the filter screen 2 in the filter housing 1. After a period of use, the sealing plug in the cleaning port 3 can be taken out. After taking out the sealing plug in the cleaning port 3, the drive motor 601 can be started. Since a coupling is provided at the output end of the drive motor 601, the drive shaft 603 is fixed to the output end of the drive motor 601 through the coupling, the worm 606 is movably installed on one side of the worm 606 through the drive shaft 603, and the worm wheel 606 is 05 is meshed with the worm 606, so after starting the driving motor 601, it will drive the driving shaft 603 to rotate, and after the driving shaft 603 rotates, it will drive the driving worm 606 to rotate, and after the worm 606 rotates, it will drive the worm wheel 605 to rotate, and after the worm wheel 605 rotates, it will drive the movable shaft 503 to rotate, and after the movable shaft 503 rotates, it will drive the cleaning scraper 506 on the cleaning frame 505 to rotate along the filter screen 2, and the cleaning scraper 506 will scrape off the smoke and dust on the surface of the filter screen 2 during the rotation of the filter screen 2, so as to automatically clean the filter screen 2 instead of manually, which is convenient for users to use.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A smoke filtering device, comprising a filter housing (1), characterized in that: A filter screen (2) is installed at intervals in the filter housing (1); a cleaning port (3) is provided at the bottom of the filter housing (1); docking ports (4) are fixedly provided at both ends of the filter housing (1); a cleaning mechanism (5) is provided in the filter housing (1) in front of the filter screen (2); the cleaning mechanism (5) comprises a positioning frame (501) fixed at both ends of the filter housing (1); a positioning sleeve (502) is fixedly installed on the positioning frame (501); a movable shaft (503) is movably installed between the positioning sleeves (502); a connecting sleeve (504) is fixedly installed on the movable shaft (503); the connecting sleeve A cleaning frame (505) is fixedly mounted on the filter housing (504), a cleaning scraper (506) is fixedly mounted on the cleaning frame (505), a driving mechanism (6) is provided on the filter housing (1), the driving mechanism (6) comprises a driving motor (601) fixed on the outside of the filter housing (1) and a retaining frame (602) fixed inside the filter housing (1), a movable hole (604) is provided on the retaining frame (602), a driving shaft (603) is movably mounted in the movable hole (604), a worm (606) is fixedly mounted at the end of the driving shaft (603), and a worm wheel (605) is fixedly mounted on the movable shaft (503).

2. A smoke filtering device according to claim 1, characterized in that: The cleaning frame (505) is provided with a connecting groove, and the cleaning scraper (506) is connected to the cleaning frame (505) through the connecting groove, and the end of the cleaning scraper (506) contacts the surface of the filter screen (2).

3. A smoke filtering device according to claim 2, characterized in that: A bearing is arranged inside the positioning sleeve (502); the movable shaft (503) is movably mounted on the positioning sleeve (502) via the bearing; the cleaning frame (505) is fixed on the movable shaft (503) via a connecting sleeve (504); and a sealing ring is arranged at the connection between the movable shaft (503) and the filter screen (2).

4. A smoke filtering device according to claim 3, characterized in that: The output end of the driving motor (601) is provided with a coupling, and the driving shaft (603) is fixed to the output end of the driving motor (601) via the coupling.

5. A smoke filtering device according to claim 4, characterized in that: The drive shaft (603) is movably mounted on the retaining frame (602) through the movable hole (604), the worm (606) is movably mounted on one side of the worm (606) through the drive shaft (603), and the worm wheel (605) is meshed with the worm (606).

6. A smoke filtering device according to claim 5, characterized in that: A sealing plug is provided in the cleaning port (3), and the filter housing (1) is connected to the smoke exhaust pipe via a docking port (4).

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