Anti-ash-blocking device for tail flue of boiler

Abstract

The utility model relates to an anti-ash-blocking device for a boiler tail flue, and relates to the field of boiler flue dust removal. The device comprises a flue, a driving seat is mounted on the inner side of the flue, a filter cartridge is detachably mounted on the left side of the driving seat, a circular channel is formed in the center of the driving seat, the driving seat drives the filter cartridge to rotate, the opening end of the filter cartridge faces rightwards, and the opening of the filter cartridge communicates with the circular channel in the center of the driving seat; and a cleaning mechanism for cleaning the outer surface of the filter cartridge is mounted on the front side wall of the flue. Dust in flue gas in the flue is filtered through the filter cartridge, at the moment, the driving seat continuously drives the filter cartridge to rotate, the rotating filter cartridge is matched with the cleaning mechanism to clean in real time, and the cleaned dust is collected in real time through the dust collecting mechanism, so that the filtering effect of the filter cartridge can be effectively guaranteed; and the filter cartridge can be cleaned more thoroughly, and a good cleaning effect is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of boiler flue dust removal, and in particular to a device for preventing ash blockage in a boiler tail flue. Background Art

[0002] When the boiler is working, it needs to use a burner to burn a large amount of coal powder for heating. The flue gas after combustion will carry a lot of dust, and these dusts will accumulate in the flue when flowing in the flue. The accumulated dust will cause the flue to be blocked, seriously affecting the flow of flue gas in the flue.

[0003] The Chinese patent with the announcement number CN215336430U discloses a boiler air flue anti-blocking structure, comprising a flue, a protective plate inserted and connected to the left part of the inner cavity of the flue, a filter screen fixedly installed on the upper left end of the protective plate, a storage device provided on the left side of the bottom of the inner cavity of the flue, a telescopic pushing device provided on the left side of the lower end of the flue, a through groove provided on the middle side of the upper left part of the flue, an isolation plate inserted and connected to the groove wall of the through groove, and a detection device provided on the middle side of the upper left part of the flue. The boiler air flue anti-blocking structure described in the utility model filters the smoke by providing a protective plate and a filter screen to prevent the particles in the smoke from accumulating in the flue, and at the same time, when the filter screen moves downward, the scraper scrapes the smoke particles on the filter screen and drops them into the storage tank for storage and collection, thereby preventing the filter screen mesh from being blocked, thereby ensuring the smooth flow of the flue and improving the anti-blocking effect.

[0004] The above-mentioned anti-clogging structure of the furnace air flue uses a filter to filter and block dust, and scrapes the smoke particles on the filter through an up and down moving scraper and drops them into a storage tank for storage and collection. However, this cleaning method cannot completely scrape off the smoke particles, and the cleaning effect on the filter is not good. Utility Model Content

[0005] In order to solve the problem that the above-mentioned anti-clogging structure of the furnace air flue has a poor cleaning effect on the filter screen, the present application provides a boiler tail flue anti-clogging device.

[0006] The present application provides a device for preventing ash blockage in the tail flue of a boiler, which adopts the following technical solutions:

[0007] The utility model provides a kind of boiler tail flue anti-ash blocking device, including flue, the inside of flue is equipped with driving seat, and the left side of driving seat is detachably equipped with filter cartridge, the center of driving seat is equipped with circular passageway, and driving seat drives filter cartridge to rotate, filter cartridge opening one end is to right, and the opening of filter cartridge is communicated with the circular passageway of the center of driving seat, the front wall of flue is equipped with cleaning mechanism for the outer surface of filter cartridge, and cleaning mechanism can be adjusted in front and back direction, the lower end of flue is fixed with dust collecting mechanism for the dust cleaned by filter cartridge.

[0008] By adopting the above technical scheme, the dust in the flue gas is filtered by the filter cartridge, and the driving seat drives the filter cartridge to rotate continuously at this time, the rotating filter cartridge is cleaned in real time by cooperating with the cleaning mechanism, and the collected dust is collected in real time by the dust collecting mechanism, so that the filtering effect of the filter cartridge can be effectively guaranteed, and the filter cartridge can be cleaned more thoroughly, so that the cleaning effect is better.

[0009] Optionally, the driving seat includes a fixed frame, a rotating ring is rotatably installed at the center of the fixed frame, and the rotating ring is fixedly connected with the filter cartridge, and a driving mechanism for driving the rotating ring to rotate is installed at the upper end of the fixed frame.

[0010] By adopting the above technical scheme, the rotating ring is driven to rotate by the driving mechanism, and the rotating rotating ring drives the filter cartridge to rotate.

[0011] Optionally, a plurality of filter holes are uniformly arranged on the outer circumferential surface of the filter cartridge, and an installation edge extending outward is fixed to the right end of the filter cartridge, two downward opening hanging grooves are arranged on the lower side of the installation edge, and an installation hole is arranged on the upper side of the installation edge.

[0012] By adopting the above technical scheme, the filter cartridge filters and blocks the dust by using the filter holes, so that the dust in the flue gas is filtered and treated.

[0013] Optionally, a support edge extending outward is fixed to the one end of the rotating ring facing the filter cartridge, two hooks are fixed to the surface of the support edge close to the lower side, a gear ring is fixed to the other end of the rotating ring, the driving mechanism includes a motor fixed to the upper surface of the fixed frame, a transmission rod is fixed to the lower end of the output shaft of the motor, and a driving gear meshing with the gear ring is fixed to the lower end of the transmission rod.

[0014] By adopting the above technical scheme, the driving mechanism drives the transmission rod to rotate by using the motor, the rotating transmission rod drives the driving gear to rotate, and the driving gear drives the gear ring to drive the rotating ring to rotate.

[0015] Optionally, the fixed frame includes a vertical fixed plate, a sleeve ring is installed at the center opening of the fixed plate, and a top plate extending to the right side is fixed to the upper end of the fixed plate.

[0016] By adopting the above technical solution, the fixing frame utilizes the collar installed at the center of the fixing plate to rotatably install the rotating ring.

[0017] Optionally, the cleaning mechanism includes a brush plate, which has evenly distributed bristles fixed on the side of the brush plate facing the filter cartridge, and a plurality of guide rods extending outward through the flue are fixed on the other side of the brush plate, and a guide sleeve is fixed on the front side of the flue to guide the guide rods, and a locking screw is threadedly installed on the outer side of the guide sleeve.

[0018] By adopting the above technical solution, the cleaning mechanism uses the bristles on the brush plate to press against the outer surface of the filter cartridge, and cooperates with the rotation of the filter cartridge itself to clean the dust accumulated on the outer surface of the filter cartridge.

[0019] Optionally, an opening is provided at the upper end of the flue, and a cover plate is provided at the opening. The rear side of the cover plate is rotatably connected to the flue, and a locking block is fixed to the front end of the cover plate. A connecting block that cooperates with the locking block is fixed to the front side of the flue, and slots for clamping the fixing plate are provided on the front and rear side walls of the flue.

[0020] By adopting the above technical solution, the opening at the upper end of the flue is convenient for replacing or inspecting the filter cartridge, and the cover plate is locked and fixed by using the fixed connection between the locking block and the connecting block through screws.

[0021] Optionally, the ash collecting mechanism includes an ash collecting trough fixed at the lower end of the flue, and a pull-out collection box is installed on the front side of the ash collecting trough.

[0022] By adopting the above technical solution, the cleaned dust is collected through the dust collecting trough, and the collected dust will be accumulated in the collection box. The pull-out collection box is convenient for cleaning out the collected dust.

[0023] In summary, this application has the following beneficial technical effects:

[0024] The dust in the flue gas is filtered through the filter cartridge. At this time, the driving seat continuously drives the filter cartridge to rotate. The rotating filter cartridge cooperates with the cleaning mechanism to perform real-time cleaning, and the cleaned dust is collected in real time through the dust collecting mechanism, thereby effectively ensuring the filtering effect of the filter cartridge and being able to clean the filter cartridge more thoroughly, with a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a stereogram in the embodiment of the present application;

[0026] Figure 2 is a schematic diagram of a drive seat in an embodiment of the present application;

[0027] Figure 3 is a schematic diagram of a filter cartridge in an embodiment of the present application;

[0028] Figure 4 is a schematic diagram of a rotating circle in an embodiment of the present application;

[0029] Figure 5 is a schematic diagram of a fixing frame in an embodiment of the present application;

[0030] Figure 6 Schematic diagram of the cleaning mechanism in the embodiment of the present application;

[0031] Figure 7 It is a schematic diagram of the flue in the embodiment of the present application.

[0032] Explanation of the accompanying reference numerals: 1. Flue; 11. Slot; 12. Cover plate; 13. Locking block; 14. Connecting block; 15. Locking screw; 16. Guide sleeve; 2. Filter cartridge; 21. Filter hole; 22. Mounting edge; 23. Mounting hole; 24. Hanging slot; 3. Drive seat; 31. Rotating circle; 311. Gear ring; 312. Supporting edge; 313. Hanging nail; 32. Drive mechanism; 321. Drive gear; 322. Motor; 323. Transmission rod; 33. Fixing frame; 331. Fixing plate; 332. Ring; 333. Top plate; 4. Cleaning mechanism; 41. Brush; 42. Brush plate; 43. Guide rod; 5. Ash collection mechanism; 51. Ash collection trough; 52. Collection box. DETAILED DESCRIPTION

[0033] The present application is further described in detail below with reference to the accompanying drawings.

[0034] The embodiment of the present application discloses a device for preventing ash blocking of the tail flue of a boiler. Figure 1 The vent 2 of the vent 2 is opened, and the filter cartridge ...

[0035] The cleaning mechanism 4 can be adjusted in the front-to-back direction. The front-to-back adjustable cleaning mechanism 4 can be adjusted according to the actual usage so that it can better cooperate with the filter cartridge 2 for cleaning;

[0036] A dust collecting mechanism 5 is fixed at the lower end of the flue 1 for collecting the dust dropped by the filter cartridge 2 after cleaning. The dust is collected in real time by the dust collecting mechanism 5, thereby effectively ensuring the filtering effect of the filter cartridge 2 and being able to clean the filter cartridge 2 more thoroughly, thereby achieving a better cleaning effect.

[0037] Reference Figure 2 The driving seat 3 includes a fixed frame 33, a rotating circle 31 is rotatably installed at the center of the fixed frame 33, and the rotating circle 31 is fixedly connected to the filter cartridge 2. A driving mechanism 32 for driving the rotating circle 31 to rotate is installed at the upper end of the fixed frame 33. The driving mechanism 32 drives the rotating circle 31 to rotate, and the rotating rotating circle 31 drives the filter cartridge 2 to rotate.

[0038] Reference Figure 3 The outer circumferential surface of the filter cartridge 2 is provided with evenly distributed filter holes 21. The filter cartridge 2 uses the outer filter holes 21 to filter and block the dust, thereby achieving the filtration treatment of the dust in the flue gas;

[0039] A mounting edge 22 extending outward is fixed to the right port edge of the filter cartridge 2. Two downward-opening hanging grooves 24 are provided on the lower side of the mounting edge 22, and a mounting hole 23 is provided on the upper side of the mounting edge 22. The filter cartridge 2 is hung on the rotating ring 31 using the hanging grooves 24 on the lower side of the mounting edge 22, and is fixed to the rotating ring 31 using screws passing through the mounting holes 23.

[0040] Reference Figure 4 A supporting edge 312 extending outward is fixed to one end of the rotating ring 31 facing the filter cartridge 2, and two hanging nails 313 are fixed to the surface of the supporting edge 312 near the lower side. A gear ring 311 is fixed to the edge of the other end of the rotating ring 31. The rotating ring 31 uses the hanging nails 313 on the supporting edge 312 to hang the right end of the filter cartridge 2, and is used to cooperate with the driving mechanism 32 for rotational drive through the gear ring 311;

[0041] The driving mechanism 32 includes a motor 322 fixed to the upper end surface of the fixed frame 33. A transmission rod 323 is fixed to the lower end of the output shaft of the motor 322, and a driving gear 321 engaged with the ring gear 311 is fixed to the lower end of the transmission rod 323. The driving mechanism 32 uses the motor 322 to drive the transmission rod 323 to rotate. The rotating transmission rod 323 drives the driving gear 321 to rotate, and the driving gear 321 drives the ring gear 311 to drive the rotating ring 31 to rotate.

[0042] Reference Figure 5The fixing frame 33 comprises a vertical fixing plate 331, a sleeve 332 is installed at the center opening of the fixing plate 331, the fixing frame 33 is rotatably installed on the rotating ring 31 by the sleeve 332 installed at the center of the fixing plate 331, the upper end of the fixing plate 331 is fixed with a top plate 333 extending to the right side, and the top plate 333 is used for fixedly supporting the motor 322.

[0043] With reference to Figure 6 The cleaning mechanism 4 comprises a brush plate 42, a plurality of bristles 41 are fixed on the side of the brush plate 42 facing the filter cartridge 2, the cleaning mechanism 4 is used for abutting against the outer side surface of the filter cartridge 2 by the bristles 41 on the brush plate 42, and cooperating with the rotation of the filter cartridge 2 to clean the dust accumulated on the outer side surface of the filter cartridge 2.

[0044] The other side of the brush plate 42 is fixed with a plurality of guide rods 43 penetrating the flue 1 outward, the front side of the flue 1 is fixed with a guide sleeve 16 guiding the guide rods 43, and a locking screw 15 is threadedly installed outside the guide sleeve 16, the guide rods 43 are movably adjusted by penetrating the guide sleeve 16, so that the left and right positions of the brush plate 42 can be adjusted, and after the adjustment is completed, the guide rods 43 are locked and fixed by screwing the locking screw 15.

[0045] With reference to Figure 7 The upper end of the flue 1 is provided with an opening, and the flue 1 is provided with a cover plate 12 at the opening, the rear side of the cover plate 12 is rotatably connected with the flue 1, and the front end of the cover plate 12 is fixed with a locking block 13, the front side of the flue 1 is fixed with a connecting block 14 matched with the locking block 13, the upper end opening of the flue 1 is arranged to facilitate the replacement or inspection of the filter cartridge 2, and the cover plate 12 is locked and fixed by the fixed connection between the locking block 13 and the connecting block 14 through the screw;

[0046] The front and rear side walls in the flue 1 are both provided with clamping grooves 11 clamping the fixing plate 331, and the flue 1 clamps the fixing plate 331 on the fixing frame 33 to complete the positioning and clamping of the entire fixing frame 33.

[0047] With reference to Figure 7 The dust collecting mechanism 5 comprises a dust collecting groove 51 fixed at the lower end of the flue 1, and a collecting box 52 is installed at the front side of the dust collecting groove 51 and can be pulled out, the dust cleaned is collected by the dust collecting groove 51, and the collected dust is accumulated in the collecting box 52 at this time, and the collecting box 52 can be pulled out to facilitate cleaning of the collected dust.

[0048] The working principle of the device for preventing ash blockage in the tail flue of a boiler according to the embodiment of the present application is as follows: when the flue 1 discharges the flue gas of the boiler, the filter cartridge 2 in the flue 1 filters the flue gas, and the filter cartridge 2 uses the filter holes 21 to block the dust. At this time, part of the blocked dust falls downward, while part accumulates on the surface of the filter cartridge 2. During the ash filtering, the driving mechanism 32 drives the rotating ring 31 to rotate continuously, and the rotating ring 31 drives the filter cartridge 2 to rotate. At this time, the cleaning mechanism 4 continuously cleans the dust on the surface of the rotating filter cartridge 2, and the cleaned dust falls into the collection box 52 and is collected.

[0049] When the driving mechanism 32 drives the rotating circle 31 to rotate, the motor 322 drives the transmission rod 323 to rotate. The rotating transmission rod 323 drives the driving gear 321 to rotate. The driving gear 321 drives the ring gear 311 to drive the rotating circle 31 to rotate.

[0050] When the cleaning mechanism 4 cleans the filter cartridge 2, the bristles 41 on the brush plate 42 are pressed against the surface of the filter cartridge 2. At this time, the bristles 41 are used to clean the dust under the rotation of the filter cartridge 2.

[0051] When installing the filter cartridge 2 , hang the hanging groove 24 on the lower side of the installation edge 22 of the filter cartridge 2 on the hanging nail 313 of the support edge 312 , and then screw the screw through the installation hole 23 and screw it onto the support edge 312 to complete the fixed installation of the filter cartridge 2 .

[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A device for preventing ash blocking in the tail flue of a boiler, comprising a flue (1), characterized in that: A driving seat (3) is installed on the inner side of the flue (1), and a filter cartridge (2) is detachably installed on the left side of the driving seat (3). A circular channel is opened in the center of the driving seat (3), and the driving seat (3) drives the filter cartridge (2) to rotate. One end of the opening of the filter cartridge (2) faces right, and the opening of the filter cartridge (2) is connected to the circular channel in the center of the driving seat (3). A cleaning mechanism (4) for cleaning the outer surface of the filter cartridge (2) is installed on the front side wall of the flue (1), and the cleaning mechanism (4) can be adjusted in the front and rear directions. A dust collecting mechanism (5) for collecting dust dropped by the filter cartridge (2) is fixed at the lower end of the flue (1).

2. The device for preventing ash blockage in the tail flue of a boiler according to claim 1, characterized in that: The driving seat (3) comprises a fixing frame (33), a rotating ring (31) is rotatably mounted at the center of the fixing frame (33), and the rotating ring (31) is fixedly connected to the filter cartridge (2). A driving mechanism (32) for driving the rotating ring (31) to rotate is mounted at the upper end of the fixing frame (33).

3. The device for preventing ash blockage in the tail flue of a boiler according to claim 2, characterized in that: The outer circumferential surface of the filter cartridge (2) is provided with evenly distributed filter holes (21), and a mounting edge (22) extending outward is fixed to the right end edge of the filter cartridge (2), two downwardly opening hanging grooves (24) are provided on the lower side of the mounting edge (22), and a mounting hole (23) is provided on the upper side of the mounting edge (22).

4. The device for preventing ash blockage in the tail flue of a boiler according to claim 3, characterized in that: A support edge (312) extending outward is fixed at one end of the rotating ring (31) facing the filter cartridge (2), and two hanging nails (313) are fixed on the surface of the support edge (312) near the lower side. A gear ring (311) is fixed at the edge of the other end of the rotating ring (31). The driving mechanism (32) comprises a motor (322) fixed to the upper end surface of the fixing frame (33), a transmission rod (323) is fixed to the lower end of the output shaft of the motor (322), and a driving gear (321) meshing with the gear ring (311) is fixed to the lower end of the transmission rod (323).

5. The device for preventing ash blockage in the tail flue of a boiler according to claim 4, characterized in that: The fixing frame (33) comprises a vertical fixing plate (331), a collar (332) is mounted at the central opening of the fixing plate (331), and a top plate (333) extending to the right is fixed at the upper end of the fixing plate (331).

6. The device for preventing ash blockage in the tail flue of a boiler according to claim 5, characterized in that: The cleaning mechanism (4) comprises a brush plate (42), wherein a side of the brush plate (42) facing the filter cartridge (2) is fixed with evenly distributed bristles (41), and a plurality of guide rods (43) extending outwardly through the flue (1) are fixed to the other side of the brush plate (42), a guide sleeve (16) for guiding the guide rods (43) is fixed to the front side of the flue (1), and a locking screw (15) is threadedly mounted on the outer side of the guide sleeve (16).

7. The device for preventing ash blockage in the tail flue of a boiler according to claim 6, characterized in that: The flue (1) has an opening at its upper end, and a cover plate (12) is provided at the opening. The rear side of the cover plate (12) is rotatably connected to the flue (1), and a locking block (13) is fixed to the front end of the cover plate (12). A connecting block (14) that cooperates with the locking block (13) is fixed to the front side of the flue (1). The front and rear side walls of the flue (1) are both provided with a card slot (11) for clamping the fixing plate (331).

8. The device for preventing ash blockage in the tail flue of a boiler according to claim 7, characterized in that: The ash collecting mechanism (5) comprises an ash collecting trough (51) fixed at the lower end of the flue (1), and a drawable collecting box (52) is installed on the front side of the ash collecting trough (51).

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