Purging type ash removal device for boiler air preheater
By installing filter plates and scraping components inside the boiler air preheater, combined with a vacuum cleaner, the problem of dust clogging is solved, achieving efficient automated cleaning and improving the safety and efficiency of the equipment.
Patent Information
- Application Number
- CN202423229623.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
After prolonged use, existing boiler air preheaters accumulate a large amount of dust inside, causing dust particles to clog the system, affecting heat exchange efficiency, posing safety hazards, and making cleaning inconvenient.
A filter plate and a scraping assembly are installed inside the boiler air preheater. Combined with a dust collection assembly, the dust is scraped off by the scraping assembly and then adsorbed by the dust collection assembly, achieving automated cleaning.
It effectively improves dust cleaning, avoids smoke and dust blockage, and enhances the working efficiency and safety of the equipment.
Smart Images

Figure CN223595955U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a boiler air preheater ash removal technical field especially relates to a kind of boiler air preheater purging type ash removal device. BACKGROUND
[0002] Boiler air preheater is a kind of equipment specially designed to improve combustion efficiency, also be simply called as air preheater, is using the flue gas in the tail of boiler through the internal heat sink air preheater before entering the boiler is heated to a certain temperature surface, it is a kind of equipment for improving the heat exchange performance of boiler, reduce energy consumption.
[0003] The existing boiler preheater is used for a long time, a large amount of dust is generated inside, so that the phenomenon of smoke dust particle blockage is caused, too much smoke dust particle accumulation can cause fire, and the safety of staff is caused Hidden trouble, and it is not convenient to clean up. The heat exchange effect of air preheater is affected, and the working efficiency of the equipment is affected.
[0004] Therefore, it is necessary to provide a kind of boiler air preheater purging type ash removal device to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of boiler air preheater purging type ash removal device, filter plate is provided in the inside of boiler air preheater body, the side of filter plate is provided with the scraping component for scraping dust, can effectively scrape dust generated on filter screen surface, the bottom of filter plate is provided with bottom plate, the inside of bottom plate is provided with dust suction port, bottom plate is communicated with dust collector by communicating pipe, can effectively adsorb dust scraped down, effectively improve the cleaning effect of dust, to solve the problem that the existing boiler preheater is used for a long time in the above background technology, a large amount of dust is generated inside, so that the phenomenon of smoke dust particle blockage is caused, too much smoke dust particle accumulation can cause fire, and the safety of staff is caused Hidden trouble, and it is not convenient to clean up. The heat exchange effect of air preheater is affected, and the working efficiency of the equipment is affected.
[0006] According to one aspect of the present disclosure, the following technical solution is provided: a kind of boiler air preheater purging type ash removal device, comprising:
[0007] Boiler air preheater body, the side of the boiler air preheater body is provided with air outlet pipe, the other side of the boiler air preheater body is provided with air inlet pipe;
[0008] Filter plate, is set to the inside of boiler air preheater body for dust isolation;
[0009] Scraping component, for scraping dust adhered on filter plate;And
[0010] The dust suction assembly is used for sucking dust scraped by the scraping assembly;
[0011] The scraping assembly comprises a scraping plate arranged on one side of the filter plate, and the scraping plate is provided with bristles on the side close to the filter plate;
[0012] The middle part of the scraping plate is provided with a threaded hole, and both ends of the scraping plate are provided with sliding holes.
[0013] According to at least one embodiment of the present disclosure, a boiler air preheater blowing type ash removal device is provided, wherein the top end of the filter plate is fixedly connected with a top plate, the top end of the top plate is provided with a handle and a connecting head, and the bottom end of the top plate is fixedly connected with a bottom plate.
[0014] According to at least one embodiment of the present disclosure, a boiler air preheater blowing type ash removal device is provided, wherein the inner side of the bottom plate is provided with a through groove, the inner side of the bottom plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a lead screw, and the lead screw is arranged in correspondence with the threaded hole.
[0015] According to at least one embodiment of the present disclosure, a boiler air preheater blowing type ash removal device is provided, wherein the two sides of the top end of the bottom plate are fixedly connected with guide rods, and the guide rods are arranged in correspondence with the sliding holes.
[0016] According to at least one embodiment of the present disclosure, a boiler air preheater blowing type ash removal device is provided, wherein the top end of the boiler air preheater body is fixedly connected with a dust collector, the output end of the dust collector is in communication with the connecting head, the bottom end of the connecting head is communicated with a communication pipe, the other end of the communication pipe is in communication with the bottom plate, the inner side of the through groove is uniformly provided with a plurality of dust suction ports, and the communication pipe is in communication with the dust suction ports.
[0017] The technical effects and advantages of the present application are as follows:
[0018] (1) The filter plate is arranged on the inner side of the boiler air preheater body, one side of the filter plate is provided with a scraping assembly for scraping dust, the dust on the surface of the filter screen can be effectively scraped, the bottom end of the filter plate is provided with a bottom plate, the inner side of the bottom plate is provided with a dust suction port, the bottom plate is in communication with the dust collector through the communication pipe, the dust scraped down can be effectively sucked and adsorbed, and the cleaning effect of the dust is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description, explain the principles of the present disclosure, wherein the drawings are provided to give a further understanding of the present disclosure, and the drawings are included in the present specification and constitute a part of the present specification.
[0020] Figure 1It is an overall structure schematic diagram of a boiler air preheater purging type ash removal device according to an embodiment of the present disclosure.
[0021] Figure 2 It is a main body structure schematic diagram of a filter plate in a boiler air preheater purging type ash removal device according to an embodiment of the present disclosure.
[0022] Figure 3 It is a front view structure schematic diagram of a filter plate in a boiler air preheater purging type ash removal device according to an embodiment of the present disclosure.
[0023] Figure 4 It is a main body structure schematic diagram of a scraper in a boiler air preheater purging type ash removal device according to an embodiment of the present disclosure.
[0024] Specifically, the reference signs in the drawings are as follows:
[0025] 1, boiler air preheater body; 11, air outlet pipe; 12, air inlet pipe;
[0026] 2, top plate; 21, handle; 22, connecting head;
[0027] 3, dust collector;
[0028] 4, filter plate; 41, filter screen;
[0029] 5, bottom plate; 51, through slot; 52, dust suction port;
[0030] 6, communication pipe;
[0031] 7, driving motor; 71, screw rod;
[0032] 8, scraper; 81, threaded hole; 82, sliding hole; 83, brush;
[0033] 9, guide rod. DETAILED DESCRIPTION
[0034] As shown in the drawings, Figures 1-4 A boiler air preheater purging type ash removal device according to an embodiment of the present disclosure can include: a boiler air preheater body 1, an air outlet pipe 11 arranged on one side of the boiler air preheater body 1, and an air inlet pipe 12 arranged on the other side of the boiler air preheater body 1; a filter plate 4 arranged on the inner side of the boiler air preheater body 1 for isolating dust; a scraping assembly for scraping dust adhering to the filter plate 4; and a dust suction assembly for adsorbing dust scraped off.
[0035] As shown in the drawings, Figure 3 and Figure 4 In the present disclosure, the scraping assembly includes a scraper 8 arranged on one side of the filter plate 4, and the scraper 8 is provided with brush 83 close to one side of the filter plate 4.
[0036] The middle part of the scraper 8 is provided with a threaded hole 81, and both ends of the scraper 8 are provided with a sliding hole 82.
[0037] Therefore, by arranging the filter plate 4 on the inner side of the boiler air preheater body 1, and arranging the scraping assembly for scraping dust on one side of the filter plate 4, the dust generated on the surface of the filter screen 41 can be effectively scraped, the bottom end of the filter plate 4 is provided with the bottom plate 5, the inner side of the bottom plate 5 is provided with the dust suction port 52, and the bottom plate 5 is in communication with the dust collector 3 through the communication pipe 6, so that the scraped dust can be effectively adsorbed, and the dust cleaning effect is effectively improved.
[0038] As shown in Figure 2 , in a preferred embodiment, the top end of the filter plate 4 is fixedly connected with the top plate 2, the top end of the top plate 2 is provided with the handle 21 and the connecting head 22, and the bottom end of the top plate 2 is fixedly connected with the bottom plate 5.
[0039] Therefore, by arranging the top plate 2 on the top end of the boiler air preheater body 1, and arranging the handle 21, the top plate 2 and the filter plate 4 can be easily pulled out from the inner side of the boiler air preheater body 1.
[0040] As shown in Figure 2 and Figure 3 , in the present disclosure, the inner side of the bottom plate 5 is provided with the through slot 51, the inner side of the bottom plate 5 is fixedly connected with the driving motor 7, the output end of the driving motor 7 is fixedly connected with the lead screw 71, and the lead screw 71 is arranged in correspondence with the threaded hole 81.
[0041] Therefore, by arranging the driving motor 7, the driving motor 7 can effectively drive the lead screw 71 to rotate, the lead screw 71 is threadedly connected with the scraper 8, so that the scraper 8 can be effectively driven to move up and down, thereby enabling the scraper 8 to scrape the dust on the outer side of the filter plate 4.
[0042] As shown in Figure 3 and Figure 4 , in a preferred embodiment, both sides of the top end of the bottom plate 5 are fixedly connected with the guide rod 9, and the guide rod 9 is arranged in correspondence with the sliding hole 82.
[0043] Therefore, by arranging the guide rod 9, the guide rod 9 is arranged in correspondence with the sliding hole 82, so that the scraper 8 can slide on the outer side of the guide rod 9, and the stability of the movement of the scraper 8 is effectively improved.
[0044] As shown in Figure 1 , Figure 2 , and Figure 3As shown, in the present disclosure, the top end of the boiler air preheater body 1 is fixedly connected with a dust collector 3, the output end of the dust collector 3 and the connecting head 22 are in communication with each other, the bottom end of the connecting head 22 is communicated with a communication pipe 6, the other end of the communication pipe 6 is communicated with the bottom plate 5, the inner side of the through groove 51 is uniformly provided with a plurality of dust suction ports 52, and the communication pipe 6 and the dust suction ports 52 are in communication with each other.
[0045] Therefore, by arranging the dust collector 3, the dust collector 3 is communicated with the connecting head 22 through the pipeline, the connecting head 22 is communicated with the communication pipe 6, the inner side of the through groove 51 is provided with the dust suction port 52, and after the dust on the filter plate 4 is scraped to the inner side of the through groove 51 by the scraping assembly, the dust can be effectively sucked out from the inner side of the dust suction port 52 by starting the dust collector 3.
[0046] Those skilled in the art should understand that the above-mentioned embodiments are only for clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. Based on the above disclosure, other changes or modifications can also be made by those skilled in the art, and these changes or modifications are still within the scope of the present disclosure.
Claims
1. A boiler air preheater purging type ash cleaning device, characterized by, Including: The boiler air preheater body (1), one side of the boiler air preheater body (1) is provided with an air outlet pipe (11), the other side of the boiler air preheater body (1) is provided with an air inlet pipe (12); The filter plate (4) is arranged on the inner side of the boiler air preheater body (1) for dust isolation; Scraping assembly for scraping dust adhered to the filter plate (4); And Dust suction assembly for adsorbing dust scraped; The scraping assembly includes a scraper (8), which is arranged on one side of the filter plate (4), and the scraper (8) is provided with bristles (83) near one side of the filter plate (4); The middle part of the scraper (8) is provided with a threaded hole (81), and both ends of the scraper (8) are provided with sliding holes (82). The top end of the filter plate (4) is fixedly connected with a top plate (2), the top end of the top plate (2) is provided with a handle (21) and a connecting head (22), and the bottom end of the top plate (2) is fixedly connected with a bottom plate (5).
2. A soot blowing device for a boiler air preheater according to claim 1, characterized in that: The inner side of the bottom plate (5) is provided with a through slot (51), the inner side of the bottom plate (5) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is fixedly connected with a lead screw (71), and the lead screw (71) and the threaded hole (81) are correspondingly arranged.
3. A soot blowing device for a boiler air preheater according to claim 2, characterized in that: Both sides of the top end of the bottom plate (5) are fixedly connected with guide rods (9), and the guide rods (9) and the sliding holes (82) are correspondingly arranged.
4. A soot blowing device for a boiler air preheater according to claim 3, characterized in that: The top end of the boiler air preheater body (1) is fixedly connected with a dust collector (3), the output end of the dust collector (3) and the connecting head (22) are in communication, the bottom end of the connecting head (22) is communicated with a communication pipe (6), the other end of the communication pipe (6) and the bottom plate (5) are in communication, the inner side of the through slot (51) is uniformly provided with a plurality of dust suction ports (52), and the communication pipe (6) and the dust suction port (52) are in communication.
5. A soot blowing device for a boiler air preheater according to claim 4, characterized in that: