CN110566986A - Horizontal flue inner ash removal device and working method thereof - Google Patents
Horizontal flue inner ash removal device and working method thereof Download PDFInfo
- Publication number
- CN110566986A CN110566986A CN201910749632.0A CN201910749632A CN110566986A CN 110566986 A CN110566986 A CN 110566986A CN 201910749632 A CN201910749632 A CN 201910749632A CN 110566986 A CN110566986 A CN 110566986A
- Authority
- CN
- China
- Prior art keywords
- flue
- ash
- screw rod
- main body
- flue main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 27
- 230000008021 deposition Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a horizontal flue inner ash removal device and a working method thereof, aiming at the problems of troublesome ash removal and low safety of the existing flue, the invention provides the following scheme that the device comprises a flue main body, an ash bucket is fixedly arranged in the middle of the lower end of the flue main body, a closed cover plate is movably hinged at the bottom end of the ash bucket through a hinge, one end of the closed cover plate, which is far away from the hinge, is fixedly clamped with the ash bucket through an industrial hinge, a positive and negative motor is fixedly arranged at the left end of the flue main body, a first screw rod is fixedly connected to a power output shaft of the positive and negative motor, the right end of the first screw rod penetrates through the flue main body, and extends to the inside of the flue main body, a second screw rod is fixedly arranged at the right end of the first screw rod, the right-hand member of second lead screw is connected with the inner wall rotation of flue main part, all install the scraper blade on first lead screw and the second lead screw. The invention has the advantages of convenient ash removal, good stability, high automation degree, simple operation and suitability for popularization and use.
Description
Technical Field
The invention relates to an ash removal device, in particular to an ash removal device in a horizontal flue.
Background
The boiler flue of power plant has the horizontal segment, horizontal flue when using for a long time, the inner wall has a large amount of deposition, be CN206911128U like the publication number, the chinese patent of 2018 for 01 month 23 day, the deposition not only causes the jam to horizontal flue inside easily, and accumulational dust has the pressure to horizontal flue, make horizontal flue cause the collapse easily, and current horizontal flue is troublesome to the deposition clearance of inside, and is inefficient, often can cause horizontal flue to collapse because the deposition clearance is untimely, and then this application proposes an interior ash removal device of horizontal flue.
Disclosure of Invention
The invention provides a horizontal flue inner dust removal device and a working method thereof, and solves the problems of troublesome dust removal and low safety of the conventional flue.
The technical scheme adopted by the invention for solving the problems is as follows: a horizontal flue inner ash removal device comprises a flue main body and is characterized in that an ash bucket is fixedly mounted in the middle of the lower end of the flue main body, a sealing cover plate is movably hinged to the bottom end of the ash bucket through a hinge, one end, far away from the hinge, of the sealing cover plate is fixed to the ash bucket through an industrial hinge in a clamping mode, a positive and negative motor is fixedly mounted at the left end of the flue main body, a first lead screw is fixedly connected to a power output shaft of the positive and negative motor, the right end of the first lead screw penetrates through the flue main body and extends into the flue main body, a second lead screw is fixedly connected to the right end of the first lead screw, the right end of the second lead screw is rotatably connected with the inner wall of the flue main body, scraping plates are mounted on the first lead screw and the second lead screw, through openings are respectively formed in the bottom ends of the outer walls of the left, the lower end of the flue main body is provided with an ash outlet which is positioned right above the ash bucket, and the flue main body is communicated with the ash bucket through the ash outlet.
Preferably, the first screw rod is rotatably connected with the flue main body through a bearing.
Preferably, the first screw rod is fixedly connected with the second screw rod through a coupler, and the coupler is positioned right above the ash outlet.
Preferably, all install the scraper blade through ball nut pair on first lead screw and the second lead screw, the outer wall fixed connection of scraper blade and ball nut pair, two the scraper blade contacts with the inner wall of flue main part, two the scraper blade symmetry sets up in the left and right sides of shaft coupling.
Preferably, the right end of the second screw rod is rotatably connected with the inner wall of the flue main body through a bearing seat.
Preferably, the first screw rod and the second screw rod have the same specification and opposite thread turning directions.
In the working method, when the dust is cleaned, the two closed baffles and the closed cover plate are opened, the positive and negative motor is started, the main shaft of the positive and negative motor rotates clockwise or anticlockwise to drive the first screw rod to rotate clockwise or anticlockwise, the rotating first screw rod drives the second screw rod to rotate clockwise or anticlockwise through the coupler, the rotating first screw rod and the second screw rod drive the two scraping plates to mutually approach or separate through the ball nut pair, dust in the flue main body is pushed to the dust outlet and the through holes at the two sides of the flue main body and falls into the dust hopper through the dust outlet, accumulated dust is discharged through the dust hopper and the through holes, after the dust is cleaned, the positive and negative motor is started to drive the first screw rod and the second screw rod to rotate, the two scraping plates are moved to be tightly attached to the inner walls at the left side and the right side in the flue main body, the scraping plates are stored, and the, the two closure flaps and the closure flap are then closed.
Compared with the prior art, the invention has the following advantages and effects: through the mutual matching arrangement of the positive and negative motors, the flue main body, the first screw rod, the scraper plate, the second screw rod, the coupler and the ball nut pair, the accumulated dust in the flue main body can be smoothly conveyed into the dust hopper and the through holes at the two sides of the flue main body and is discharged through the dust hopper and the through holes, so that the effect of quickly cleaning the horizontal section in the flue main body is achieved; through setting up bearing and bearing frame, improved first lead screw and second lead screw pivoted stability.
The invention has the advantages of reasonable structure, convenient dust removal, good stability, high automation degree and simple operation, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of an ash removal device in a horizontal flue in an embodiment of the invention.
FIG. 2 is a sectional view of an ash removal device in a horizontal flue in an embodiment of the invention.
Fig. 3 is an enlarged view of the structure at a in fig. 2.
In the figure: the device comprises a positive and negative motor 1, an ash bucket 2, a flue main body 3, a bearing 4, a first screw rod 5, an ash outlet 6, a scraper 7, a bearing seat 8, a second screw rod 9, a coupler 10, a ball nut pair 11, a closed cover plate 12, a closed baffle 13 and an industrial hinge 14.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1-3, the ash removal device in the horizontal flue in the embodiment includes a flue main body 3, an ash bucket 2 is fixedly installed at a lower middle position of the flue main body 3, the ash bucket 2 is arranged to facilitate outputting of ash deposited in the flue main body 3, a closed cover plate 12 is movably hinged to a bottom end of the ash bucket 2 through a hinge, one end, away from the hinge, of the closed cover plate 12 is fixedly connected with the ash bucket 2 through an industrial hinge 14 in a clamping manner, the industrial hinge 14 facilitates quick opening and closing of the closed cover plate 12, a positive and negative motor 1 is fixedly installed at a left end of the flue main body 3, a first lead screw 5 is fixedly connected to a power output shaft of the positive and negative motor 1, a right end of the first lead screw 5 penetrates through the flue main body 3 and extends to the inside of the flue main body 3, a second lead screw 9 is fixedly installed at a right end of the first lead screw 5, scraper blades 7 are mounted on the first screw rod 5 and the second screw rod 9, openings are formed in the bottom ends of the outer walls of the left side and the right side of the flue main body 3 respectively, the outer sides of the two openings are respectively movably hinged with a sealing baffle 13, and therefore deposition in the flue main body 3 is convenient to output.
In the embodiment, the lower end of the flue main body 3 is provided with the ash outlet 6, the ash outlet 6 is positioned right above the ash hopper 2, and the flue main body 3 is communicated with the ash hopper 2 through the ash outlet 6, the design is convenient for accumulated ash in the flue main body 3 to be discharged from the ash hopper 2, the first screw 5 is rotatably connected with the flue main body 3 through the bearing 4, the design can improve the connection stability of the first screw 5 and the flue main body 3, the first screw 5 is fixedly connected with the second screw 9 through the coupler 10, the coupler 10 is positioned right above the ash outlet 6, the first screw 5 and the second screw 9 are both provided with the scraper 7 through the ball nut pair 11, the scraper 7 is fixedly connected with the outer wall of the ball nut pair 11, and the two ball nut pairs 11 can drive the two scrapers 7 to move left and right on the first screw 5 and the second screw 9 under the action of threads; two scraper blades 7 and flue main part 3's inner wall contact, two scraper blade 7 symmetries set up in the left and right sides of shaft coupling 10, this design is convenient for two scraper blades 7 carry out propelling movement in step to the deposition, the right-hand member of second lead screw 9 passes through the bearing frame 8 and is connected with the inner wall rotation of flue main part 3, this design has improved the stability that second lead screw 9 and flue main part 3 are connected, first lead screw 5 is the same with 9 length specification of second lead screw, and the screw thread is turned to opposite soon, this design is realized when starting positive and negative motor 1, two scraper blades 7 can be close to each other or keep away from the motion each other, be convenient for carry out the propelling movement.
When the ash is cleaned, the two sealing baffles 13 and the sealing cover plate 12 are opened, the positive and negative motor 1 is started, the main shaft of the positive and negative motor 1 rotates clockwise or anticlockwise to drive the first screw rod 5 to rotate clockwise or anticlockwise, the rotating first screw rod 5 drives the second screw rod 9 to rotate clockwise or anticlockwise through the coupler 10, the rotating first screw rod 5 and the second screw rod 9 drive the two scraping plates 7 to approach or separate from each other through the ball nut pair 11, dust in the flue main body 3 can be pushed to the dust outlet 6 and the through holes at the two sides of the flue main body 3 and falls into the dust hopper 2 through the dust outlet 6, accumulated dust is discharged through the dust hopper 2 and the through holes, after the ash is cleaned, the positive and negative motor 1 is started to drive the first screw rod 5 and the second screw rod 9 to rotate, the two scraping plates 7 are moved to be tightly attached to the inner walls at the left side and the right side in the flue main body 3, thereby preventing the scraper 7 from blocking the flue body 3, and then closing the two closing flaps 13 and the closing cover 12. Through the mutual matching arrangement of the positive and negative motors 1, the flue main body 3, the first screw 5, the scraper 7, the second screw 9, the coupler 10 and the ball nut pair 11, the accumulated dust in the flue main body 3 can be smoothly conveyed to the dust hopper 2 and the through holes at two sides of the flue main body 3 and is discharged through the dust hopper 2 and the through holes, so that the effect of quickly cleaning the dust in the flue main body 3 is achieved; through setting up bearing 4 and bearing frame 8, improved first lead screw 5 and the pivoted stability of second lead screw 9. The invention has the advantages of reasonable structure, convenient dust removal, good stability, high automation degree and simple operation, and is suitable for popularization and use.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and modifications made by those skilled in the art without departing from the spirit and scope of the present invention are also within the scope of the present invention.
Claims (7)
1. The utility model provides an ash removal device in horizontal flue, includes flue main part (3), its characterized in that, the lower extreme middle part fixed mounting of flue main part (3) has ash bucket (2), the bottom of ash bucket (2) is passed through hinge activity hinge joint and is installed closing cap (12), closing cap (12) keep away from the one end of hinge and pass through industry hinge (14) and ash bucket (2) joint fixed, the left end fixed mounting of flue main part (3) has positive and negative motor (1), fixedly connected with first lead screw (5) on the power output shaft of positive and negative motor (1), the right-hand member of first lead screw (5) passes flue main part (3) to extend to the inside of flue main part (3), the right-hand member fixedly connected with second lead screw (9) of first lead screw (5), the right-hand member of second lead screw (9) is connected with the inner wall rotation of main part flue (3), all install scraper blade (7) on first lead screw (5) and second lead screw (9), the opening has been seted up respectively, two to the outer wall bottom of the flue main part (3) left and right sides the outside of opening is movable hinged respectively and is installed closure flap (13), ash hole (6) have been seted up to the lower extreme of flue main part (3), and ash hole (6) are located ash bucket (2) directly over to flue main part (3) are linked together through ash hole (6) and ash bucket (2).
2. The ash removal device in the horizontal flue according to claim 1, wherein the first screw rod (5) is rotatably connected with the flue main body (3) through a bearing (4).
3. The ash removal device in the horizontal flue according to claim 1, wherein the first screw rod (5) is fixedly connected with the second screw rod (9) through a coupling (10), and the coupling (10) is positioned right above the ash outlet (6).
4. The ash removal device in the horizontal flue according to claim 1, wherein scrapers (7) are mounted on the first screw (5) and the second screw (9) through ball nut pairs (11), the scrapers (7) are fixedly connected with the outer walls of the ball nut pairs (11), the two scrapers (7) are in contact with the inner wall of the flue main body (3), and the two scrapers (7) are symmetrically arranged on the left side and the right side of the coupler (10).
5. The ash removal device in the horizontal flue of claim 1, wherein the right end of the second screw rod (9) is rotatably connected with the inner wall of the flue main body (3) through a bearing seat (8).
6. The ash removing device in the horizontal flue according to claim 1, wherein the first screw rod (5) and the second screw rod (9) have the same specification and opposite thread directions.
7. A working method of the ash removal device in the horizontal flue according to any one of claims 1 to 6, characterized in that during ash removal, two closed baffles (13) and a closed cover plate (12) are opened, a positive and negative motor (1) is started, a main shaft of the positive and negative motor (1) rotates clockwise or anticlockwise to further drive a first screw rod (5) to rotate clockwise or anticlockwise, the rotating first screw rod (5) drives a second screw rod (9) to rotate clockwise or anticlockwise through a coupler (10), the rotating first screw rod (5) and the second screw rod (9) drive two scraping plates (7) to approach or separate from each other through a ball nut pair (11), so that dust in the flue main body (3) is pushed to the through holes at two sides of the ash outlet (6) and the flue main body (3) and falls into an ash hopper (2) through the ash outlet (6), the deposition is discharged through ash bucket (2) and opening, and the back is accomplished to the deashing, starts positive and negative motor (1) and drives first lead screw (5) and second lead screw (9) and rotate, moves two scraper blades (7) to hug closely on the inner wall of flue main part (3) interior left and right sides, realizes depositing scraper blade (7), and then avoids scraper blade (7) to cause the jam to flue main part (3), then closes two blind baffles (13) and blind patch (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749632.0A CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749632.0A CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566986A true CN110566986A (en) | 2019-12-13 |
| CN110566986B CN110566986B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910749632.0A Active CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
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| Country | Link |
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| CN (1) | CN110566986B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306563A (en) * | 2020-02-27 | 2020-06-19 | 陈艳艳 | Automatic cleaning and rotating device for inner wall of smoke outlet pipe of wall-hanging furnace |
| CN111939747A (en) * | 2020-08-26 | 2020-11-17 | 赵文 | Semi-dry desulfurization equipment |
| CN112426807A (en) * | 2020-11-20 | 2021-03-02 | 中国能源建设集团华东电力试验研究院有限公司 | Cleaning system and cleaning method of sludge drying cyclone separator |
| CN113020010A (en) * | 2021-03-08 | 2021-06-25 | 柳州壬佳生物科技有限公司 | Microbial cultivation device capable of preventing interference with illumination intensity |
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| CN206637637U (en) * | 2017-03-30 | 2017-11-14 | 厦门大学嘉庚学院 | A kind of deashing device that flue is placed suitable for transverse horizontal |
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| CN206875461U (en) * | 2017-06-14 | 2018-01-12 | 厦门大学嘉庚学院 | A kind of deashing device of horizontal placement flue |
| CN207299000U (en) * | 2017-07-25 | 2018-05-01 | 漳州理工职业学院 | A kind of flue cleaning device |
| CN208186393U (en) * | 2018-04-12 | 2018-12-04 | 三明学院 | A kind of rotary flue deashing device |
| CN208817510U (en) * | 2018-08-07 | 2019-05-03 | 福建农林大学 | A kind of flue deashing device |
| CN211011434U (en) * | 2019-08-14 | 2020-07-14 | 华电电力科学研究院有限公司 | Ash removal device in horizontal flue |
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2019
- 2019-08-14 CN CN201910749632.0A patent/CN110566986B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257735A (en) * | 1993-03-05 | 1994-09-16 | Daido Steel Co Ltd | Dust removing device of exhaust duct |
| CN2298432Y (en) * | 1997-04-10 | 1998-11-25 | 张庆敏 | Boiler convection heating surface flue ash cleaning apparatus |
| JPH11218322A (en) * | 1998-02-03 | 1999-08-10 | Mitsui Mining & Smelting Co Ltd | Treating device for smoke and ash in flue |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306563A (en) * | 2020-02-27 | 2020-06-19 | 陈艳艳 | Automatic cleaning and rotating device for inner wall of smoke outlet pipe of wall-hanging furnace |
| CN111939747A (en) * | 2020-08-26 | 2020-11-17 | 赵文 | Semi-dry desulfurization equipment |
| CN112426807A (en) * | 2020-11-20 | 2021-03-02 | 中国能源建设集团华东电力试验研究院有限公司 | Cleaning system and cleaning method of sludge drying cyclone separator |
| CN113020010A (en) * | 2021-03-08 | 2021-06-25 | 柳州壬佳生物科技有限公司 | Microbial cultivation device capable of preventing interference with illumination intensity |
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|---|---|
| CN110566986B (en) | 2023-11-28 |
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