CN221349840U - Novel ash removal mechanism of air preheater - Google Patents
Novel ash removal mechanism of air preheater Download PDFInfo
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- CN221349840U CN221349840U CN202323449654.6U CN202323449654U CN221349840U CN 221349840 U CN221349840 U CN 221349840U CN 202323449654 U CN202323449654 U CN 202323449654U CN 221349840 U CN221349840 U CN 221349840U
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- pipeline
- bevel gear
- air preheater
- dust
- removal mechanism
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Abstract
The utility model relates to the technical field of air preheaters, in particular to a novel ash removing mechanism of an air preheater, which comprises a pipeline, wherein two sides of the top end of the pipeline are provided with inlets, a motor is started, the motor drives a transmission rod to rotate, the transmission rod drives a first bevel gear through a second bevel gear, the first bevel gear simultaneously drives a third bevel gear, the bevel gears are connected in a meshed manner, the first bevel gear drives a bidirectional screw rod to rotate, the bidirectional screw rod rotates to drive a circular scraping plate to slide in the pipeline and scrape dust on the inner wall of the pipeline, and meanwhile, the dust is pushed to a dust removing port to be discharged, and the circular scraping plate is arranged, so that the inner wall of the pipeline can be comprehensively scraped, the ash removing effect of the pipeline is improved, the heat exchange efficiency of the air preheater is ensured, the rotation of the third bevel gear can drive an arc scraping plate through a connecting rod, and the arc scraping plate rotates to remove ash on the inner wall of a dust removing pipe, so that part of dust is prevented from being adsorbed on the inner wall of the dust removing pipe.
Description
Technical Field
The utility model relates to the technical field of air preheaters, in particular to a novel ash removing mechanism of an air preheater.
Background
The air preheater is an important component of waste heat recovery equipment in a boiler flue gas system, flue gas heat energy is transferred to cold air by a flue gas pipe wall, a section of horizontal pipeline exists at the left side outlet and the right side outlet of the air preheater, and because the vertical climbing height from the horizontal pipeline to the inlet of the bag-type dust remover is higher, the flue sectional area is larger, the flue speed is lower, a large amount of fly ash cannot be sent to the dust remover, and the ash deposition of the horizontal pipeline at the outlet of the air preheater is serious.
At present, the common mode has the technical means of blowing and raising the accumulated ash in the horizontal flue at the outlet of the air preheater by using the compressed air blowing principle, the ash removal efficiency of the mode is low, and the dust adsorbed on the inner wall of the pipeline is not easy to clean, so that the practicability is low.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a novel ash removing mechanism of an air preheater.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel ash removal mechanism of air heater, includes the pipeline, pipeline top both sides are provided with the import, pipeline bottom intermediate department is provided with the dust removal pipe, pipeline top intermediate department is provided with the mount pad, the mount pad top is provided with the motor, pipeline inside intermediate department is provided with the installation piece, the inside mounting groove that is provided with of installation piece, the inside transfer line that is provided with of mounting groove, the motor output is connected with the transfer line, the transfer line bottom is provided with the second bevel gear, be provided with bi-directional screw in the pipeline, bi-directional screw intermediate department is located the mounting groove inside, bi-directional screw intermediate department is provided with first bevel gear, meshing connection between first bevel gear and the second bevel gear, bi-directional screw both ends are provided with circular scraper blade, circular scraper blade intermediate department is provided with the screw hole, the screw hole cover is on bi-directional screw, circular scraper blade both sides inside is provided with the slide bar, the slide bar cover is on the fixed slide bar, slide bar and fixed slide bar are sliding connection.
In order to improve the ash removal effect on the inner wall of the dust removal pipe, the dust removal pipe is internally provided with a rotating rod, the top end of the rotating rod is provided with a third bevel gear and is arranged in the installation groove, the third bevel gear is connected with the first bevel gear in a meshed manner, the side surface of the rotating rod is provided with a connecting rod, one end of the connecting rod is provided with an arc scraping plate, and the arc scraping plate is infinitely close to the inner wall of the dust removal pipe.
In order to improve the ash removal efficiency of the dust removal pipe, the utility model is improved in that the arc scraping plates are provided with three groups and are uniformly arranged on the rotating rod.
In order to improve the stability of the arc-shaped scraping plate, the utility model is improved in that the arc-shaped scraping plate is in welded connection with the connecting rod, and the connecting rod is fixedly connected with the rotating rod.
In order to improve the use effect of the circular scraping plates, the circular scraping plates are infinitely close to the inner wall of the pipeline, and the circular scraping plates are arranged in two groups and symmetrically arranged in the pipeline.
In order to improve the use effect of the pipeline, the utility model is improved in that the pipeline and the dust removing pipe are externally provided with corrosion-resistant layers, and the corrosion-resistant layers are made of epoxy resin materials.
In order to improve the practicability of the pipeline, the utility model improves that the dust removing pipe and the pipeline are both made of metal materials.
In order to improve the use effect of the dust removing pipe, the utility model is improved in that the dust removing pipe is welded with the pipeline.
(III) beneficial effects
Compared with the prior art, the utility model provides the ash removing mechanism of the novel air preheater, which has the following beneficial effects:
This novel air heater's deashing mechanism, when carrying out the deashing to the pipeline, only need open the motor, the motor then can drive the transfer line and rotate, the transfer line passes through the first bevel gear of second bevel gear drive, and first bevel gear drives the third bevel gear simultaneously, all adopt the meshing to connect between the bevel gear, first bevel gear drives two-way screw rotation, two-way screw rotation drives circular scraper blade and slides in the pipeline, and scrape down the dust on the pipeline inner wall, and push to the dust removal mouth department simultaneously and discharge, adopt circular scraper blade's setting, make circular scraper blade can carry out comprehensive striking off to the pipeline inner wall, thereby improve the deashing effect of pipeline, guarantee air heater's heat transfer efficiency, and third bevel gear's rotation can drive the arc scraper blade through the connecting rod, the arc scraper blade is rotatory to carry out the deashing to the dust removal pipe inner wall, avoid a part dust to adsorb on the dust removal pipe inner wall, guarantee the dust removal effect of dust removal pipe.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the internal structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic diagram of a partial side view of the structure of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic side view of the structure of FIG. 3 in accordance with the present utility model;
In the figure: 1. a pipe; 2. a dust removal pipe; 3. a motor; 4. an inlet; 5. a bidirectional screw; 6. a circular scraper; 7. a mounting block; 8. fixing the slide bar; 9. a first bevel gear; 10. a transmission rod; 11. a second bevel gear; 12. a rotating rod; 13. a connecting rod; 14. an arc-shaped scraping plate; 15. and a third bevel gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a novel ash removal mechanism of air preheater, which comprises a pipeline 1, pipeline 1 top both sides are provided with import 4, pipeline 1 bottom intermediate department is provided with dust removal pipe 2, pipeline 1 top intermediate department is provided with the mount pad, the mount pad top is provided with motor 3, pipeline 1 inside intermediate department is provided with installation piece 7, installation piece 7 inside is provided with the mounting groove, the inside transfer line 10 that is provided with of mounting groove, motor 3 output is connected with transfer line 10, transfer line 10 bottom is provided with second bevel gear 11, be provided with bi-directional screw 5 in the pipeline 1, bi-directional screw 5 intermediate department is located the mounting groove inside, bi-directional screw 5 intermediate department is provided with first bevel gear 9, meshing connection between first bevel gear 9 and the second bevel gear 11, bi-directional screw 5 both ends are provided with circular scraper blade 6, circular scraper blade 6 intermediate department is provided with the screw hole, the screw hole cover is on bi-directional screw 5, circular scraper blade 6 both sides inside is provided with the transfer line 10, installation piece 7 is provided with both sides, installation piece 8 and is provided with the fixed orifices on the circular scraper blade 6, and the fixed orifices is fixed with the slide bar 1 in the two sets of slide bars, and the slide bar is close to the slide bar 1.
Above-mentioned structure is in actual use, when need carry out the deashing to pipeline 1 inside, open motor 3, motor 3 drive transfer line 10, and transfer line 10 then drive second bevel gear 11 drive first bevel gear 9 for first bevel gear 9 drives bi-directional screw 5 and rotates, bi-directional screw 5's rotation drives circular scraper blade 6 and slides in pipeline 1 inside, and the gliding while is scraped the dust that remains on the pipeline 1 inner wall, and discharge dust propelling movement to dust removal pipe 2, adopt the setting of circular scraper blade 6, make circular scraper blade 6 can carry out comprehensive scraping to pipeline 1 inner wall, thereby improve the deashing effect of pipeline 1, and the setting of fixed slide bar 8 and slide hole can guarantee that circular scraper blade 6 is stable in pipeline 1 inner wall advances to strike off, improve circular scraper blade 6's stability, guarantee air heater's heat transfer efficiency.
In the use, adsorb the dust easily on the dust removal pipe 2 inner wall, long-time piling up also causes the condition of dust removal difficulty easily, in order to solve above-mentioned problem, be provided with bull stick 12 in the dust removal pipe 2, bull stick 12 top is provided with third bevel gear 15 and sets up inside the mounting groove, meshing between third bevel gear 15 and the first bevel gear 9 is connected, bull stick 12 side is provided with connecting rod 13, connecting rod 13 one end is provided with arc scraper blade 14, arc scraper blade 14 is infinitely close with dust removal pipe 2 inner wall, arc scraper blade 14 is provided with three groups to even arrangement is on bull stick 12, drives third bevel gear 15 when first bevel gear 9 is rotatory, and second bevel gear 11 then drives bull stick 12 for bull stick 12 passes through connecting rod 13 and drives arc scraper blade 14, and arc scraper blade 14 scrapes the dust on the dust removal pipe 2 inner wall, thereby avoids dust removal pipe 2 inner wall to adsorb the dust, guarantees the discharge effect of dust removal pipe 2.
When in use, the pipeline 1 is poor in durability and easy to corrode, so that the problems are solved, in the embodiment, the pipeline 1 and the dust removal pipe 2 are externally provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of epoxy resin.
In order to improve the use effect of the pipeline 1, in this embodiment, the dust removing pipe 2 and the pipeline 1 are both made of metal, the dust removing pipe 2 is welded with the pipeline 1, and the dust removing pipe 2 is welded with the pipeline 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel ash removal mechanism of air heater which characterized in that: including pipeline (1), pipeline (1) top both sides are provided with import (4), pipeline (1) bottom middle department is provided with dust removal pipe (2), pipeline (1) top middle department is provided with the mount pad, the mount pad top is provided with motor (3), pipeline (1) inside middle department is provided with installation piece (7), installation piece (7) inside is provided with the mounting groove, the inside transfer line (10) that is provided with of mounting groove, motor (3) output is connected with transfer line (10), transfer line (10) bottom is provided with second bevel gear (11), be provided with bi-directional screw (5) in pipeline (1), bi-directional screw (5) middle department is located the mounting groove inside, bi-directional screw (5) middle department is provided with first bevel gear (9), meshing between first bevel gear (9) and second bevel gear (11) is connected, bi-directional screw (5) both ends are provided with circular scraper blade (6), circular scraper blade (6) middle department is provided with screw hole, screw hole (5) are provided with second bevel gear (11) in the screw hole, bi-directional screw (8) are provided with on slide bar (8) fixed orifices on both sides, the sliding hole is in sliding connection with the fixed sliding rod (8).
2. The ash removal mechanism of a novel air preheater as set forth in claim 1, wherein: be provided with bull stick (12) in dust removal pipe (2), bull stick (12) top is provided with third bevel gear (15) and sets up inside the mounting groove, meshing is connected between third bevel gear (15) and first bevel gear (9), bull stick (12) side is provided with connecting rod (13), connecting rod (13) one end is provided with arc scraper blade (14), arc scraper blade (14) are infinitely close with dust removal pipe (2) inner wall.
3. The ash removal mechanism of a novel air preheater as set forth in claim 2, wherein: the arc-shaped scraping plates (14) are provided with three groups and are uniformly arranged on the rotating rod (12).
4. A novel air preheater ash removal mechanism as set forth in claim 3, wherein: the arc scraping plate (14) is in welded connection with the connecting rod (13), and the connecting rod (13) is fixedly connected with the rotating rod (12).
5. The ash removal mechanism of a novel air preheater as set forth in claim 4, wherein: the circular scraping plates (6) are infinitely close to the inner wall of the pipeline (1), and the circular scraping plates (6) are provided with two groups and are symmetrically arranged in the pipeline (1).
6. The ash removal mechanism of a novel air preheater as set forth in claim 5, wherein: the anti-corrosion device is characterized in that an anti-corrosion layer is arranged outside the pipeline (1) and the dust removal pipe (2), and the anti-corrosion layer is made of epoxy resin.
7. The ash removal mechanism of a novel air preheater as set forth in claim 6, wherein: the dust removing pipe (2) and the pipeline (1) are both made of metal materials.
8. The ash removal mechanism of a novel air preheater as set forth in claim 7, wherein: the dust removing pipe (2) is welded with the pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323449654.6U CN221349840U (en) | 2023-12-15 | 2023-12-15 | Novel ash removal mechanism of air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323449654.6U CN221349840U (en) | 2023-12-15 | 2023-12-15 | Novel ash removal mechanism of air preheater |
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| CN221349840U true CN221349840U (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202323449654.6U Active CN221349840U (en) | 2023-12-15 | 2023-12-15 | Novel ash removal mechanism of air preheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118892704A (en) * | 2024-08-28 | 2024-11-05 | 靖西天桂铝业有限公司 | Alumina dust collector |
-
2023
- 2023-12-15 CN CN202323449654.6U patent/CN221349840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118892704A (en) * | 2024-08-28 | 2024-11-05 | 靖西天桂铝业有限公司 | Alumina dust collector |
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