CN114413104A - Pipeline bending part blocking arch breaking device of pneumatic powder conveying system - Google Patents
Pipeline bending part blocking arch breaking device of pneumatic powder conveying system Download PDFInfo
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- CN114413104A CN114413104A CN202111564184.0A CN202111564184A CN114413104A CN 114413104 A CN114413104 A CN 114413104A CN 202111564184 A CN202111564184 A CN 202111564184A CN 114413104 A CN114413104 A CN 114413104A
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- 239000000843 powder Substances 0.000 title claims abstract description 149
- 238000005452 bending Methods 0.000 title claims abstract description 91
- 230000000903 blocking effect Effects 0.000 title claims abstract description 87
- 239000000463 material Substances 0.000 claims description 40
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 21
- 230000000694 effects Effects 0.000 claims description 7
- 239000003623 enhancer Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
- B65G53/521—Adaptations of pipes or tubes means for preventing the accumulation or for removal of deposits
Abstract
The invention discloses a pipeline bending part blocking arch breaking device of a pneumatic powder conveying system, which comprises a pipeline bending part and a powder blocking arch breaking device arranged at the position outside the pipeline bending part, wherein the powder blocking arch breaking device comprises an arch breaking window arranged at the position of the pipeline bending part, a gear chamber shell arranged outside the pipeline bending part and connected with the arch breaking window, an arch breaking gear rotationally arranged in the gear chamber shell, and a plurality of arch breaking teeth arranged on the arch breaking gear; when the arch breaking gear rotates, the arch breaking teeth of the arch breaking gear cross the matching window and the arch breaking window to enter the pipeline bending part, so that the blocking powder is dredged, and the arch breaking gear rotates and resets to the initial position after the dredging is completed. The invention realizes the online arch breaking of powder blockage at the bent part of the pipeline of the pneumatic conveying system.
Description
Technical Field
The invention relates to the technical field of pneumatic powder conveying systems, in particular to a pipeline bending part blocking arch breaking device of a pneumatic powder conveying system.
Background
The pneumatic conveying system is commonly used for conveying powder materials, has the advantages of simple structure, convenient operation, low maintenance cost, flexible arrangement, capability of conveying in horizontal, vertical or inclined directions, long conveying distance and capability of loading materials at one position and unloading materials at multiple positions.
However, pneumatic conveying systems also have their own insurmountable drawbacks: in the pneumatic conveying process, powder materials are easy to block at the bent part of the conveying pipeline, so that the conveying system is broken down, and shutdown maintenance has to be implemented, so that the production efficiency of the pneumatic conveying system is influenced, and the temporary shutdown of the conveying system can possibly cause scrapping of the batch of powder materials for some powder materials which need to be conveyed immediately to guarantee the quality, thereby causing great loss to enterprise production.
Therefore, the research and development of the powder material blocking online arch breaking device capable of avoiding the shutdown maintenance of the conveying system is a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
In order to solve the problems, the invention provides an arch breaking device for pipeline bent part blockage of a pneumatic powder conveying system, and aims to realize online arch breaking of powder blockage of the pipeline bent part of the pneumatic conveying system. The specific technical scheme is as follows:
a pipeline bending part blocking arch breaking device of a pneumatic powder conveying system comprises a pipeline bending part and a plurality of powder blocking arch breaking devices arranged at the position outside the pipeline bending part, wherein each powder blocking arch breaking device comprises a plurality of arch breaking windows arranged at the position of the pipeline bending part, a gear chamber shell arranged outside the pipeline bending part and connected with the arch breaking windows, an arch breaking gear rotatably arranged in the gear chamber shell and used for dredging blocking powder inside the pipeline bending part, and a plurality of arch breaking teeth arranged on the arch breaking gear; when the arch breaking gear rotates, the arch breaking teeth of the arch breaking gear pass through the matching window and the arch breaking window to enter the pipeline bent part, so that the blocking powder is dredged, and after the dredging is completed, the arch breaking gear rotates and resets to the initial position, so that all the arch breaking teeth on the arch breaking gear return to the inside of the gear chamber shell.
In the invention, the arch breaking windows comprise a plurality of convex arch breaking windows arranged at the convex part positions of the pipeline bending part at intervals and a plurality of concave arch breaking windows arranged at the concave part positions of the pipeline bending part at intervals.
Preferably, the gear chamber shell is welded and connected with the edge of the arch breaking window of the pipeline bending part.
In order to reduce the flowing resistance of the powder material in the bent part of the pipeline, the further improvement scheme is as follows: one side part of the arch breaking gear facing to the inner direction of the pipeline bending part is cut off through an arc-shaped section so as to form a incomplete arch breaking gear, and the arc-shaped section of the incomplete arch breaking gear is aligned with the edge of the inner side wall of the arch breaking window so as to form a smooth transition surface for powder materials to pass through.
According to the invention, a gear chamber front cover plate and a gear chamber rear cover plate are respectively arranged at the front side part and the rear side part of the pipeline bending part, the gear chamber shell is connected between the gear chamber front cover plate and the gear chamber rear cover plate, a gear shaft is arranged on the central axis of the arch breaking gear, and two ends of the gear shaft are respectively rotatably connected to the gear chamber front cover plate and the gear chamber rear cover plate through bearings.
In order to realize automatic online arch breaking, a speed reduction driving mechanism for driving the arch breaking gear to rotate is arranged on the front cover plate of the gear chamber, the speed reduction driving mechanism comprises a speed reducer and a servo motor connected with the speed reducer, a driving gear is arranged on an output shaft of the speed reducer, a driven gear is arranged on a gear shaft, and the driving gear drives the driven gear to rotate through meshing transmission; and an angle encoder used for controlling the corner position of the arch breaking gear is also arranged on the output shaft of the speed reducer.
When the arch is broken, the output shaft of the speed reducer is driven by the servo motor to rotate, and then the arch breaking gear is driven to rotate for a plurality of circles, so that the arch breaking operation when powder materials at the bent part of the pipeline are blocked is realized, and the blocked part is dredged in time.
Because the output shaft of the speed reducer is provided with the angle encoder, the motor control module of the arch breaking device can know the corner position of the arch breaking gear, so that after arch breaking operation is completed, the motor control module can control the arch breaking gear to rotate and reset to the original position before arch breaking, and smooth flow of an internal flow passage of the pipeline bending part is recovered; and the arch breaking gear is reset to the original position before arch breaking to form a smooth transition surface for powder materials to pass through, and the smooth transition surface is used as a part of an internal flow passage of the pipeline bending part to be aligned with the arch breaking window, so that the flow resistance of the powder materials is reduced.
As a further improvement of the invention, the number of the powder blocking arch breaking devices is several and the powder blocking arch breaking devices are respectively arranged at the convex part position and the concave part position of the pipeline bending part at intervals.
As a preferable aspect of the pipeline bending part blocking arch breaking device of the pneumatic powder conveying system of the present invention, the powder blocking arch breaking device includes a first powder blocking arch breaking device, a second powder blocking arch breaking device, and a third powder blocking arch breaking device, which are sequentially arranged at intervals at a convex position of the pipeline bending part, and a fourth powder blocking arch breaking device and a fifth powder blocking arch breaking device, which are arranged at intervals at a concave position of the pipeline bending part.
In the first powder blocking arch breaking device, the second powder blocking arch breaking device and the third powder blocking arch breaking device, a transition gear is meshed between the driven gears of two adjacent powder blocking arch breaking devices; a transition gear is meshed between the driven gears of the fourth powder blocking arch breaking device and the fifth powder blocking arch breaking device; a driving gear on the output shaft of the speed reducer is meshed with the driven gear on the third powder blocking arch breaking device; and the driving gear on the output shaft of the speed reducer is indirectly meshed with the driven gear on the fifth powder blocking arch breaking device through a transition gear.
Through the arrangement, the rotating direction of each arch breaking gear is consistent with the conveying direction of the powder material.
In the invention, when the pipeline bending part is in a working state of material conveying, the arch breaking gear is completely positioned in the gear chamber shell, and the arc-shaped section of the arch breaking gear is aligned with the edge of the inner side wall of the arch breaking window so as to form a smooth transition surface for powder materials to pass through; when the pipeline bending part is blocked, the arch breaking teeth of the arch breaking gear rotate to enter the inside of the pipeline bending part, so that the blockage powder inside the pipeline bending part is dredged.
In the invention, the arch breaking teeth on the arch breaking gear comprise edge arch breaking teeth positioned at two edge positions of the arc-shaped tangent plane and middle arch breaking teeth positioned in the gear chamber shell.
In order to improve the arch breaking effect, the further improvement scheme is as follows: the gear chamber shell is provided with a high-pressure gas inlet, the powder blocking arch breaking device is also provided with a pulse arch breaking enhancer, the pulse arch breaking enhancer comprises a high-pressure gas pipeline connected to the high-pressure gas inlet of the gear chamber shell, and the high-pressure gas inlet is positioned close to one side of the arch breaking teeth which rotate out of the gear chamber shell and enter the pipeline bent part; when the arch breaking gear rotates, high-pressure gas filled into a neutral position between two adjacent arch breaking teeth by the high-pressure gas pipeline is sequentially conveyed into the pipeline bending part at intervals, so that a pulse enhanced arch breaking effect on blocking powder inside the pipeline bending part is formed.
In the invention, the high-pressure gas pipeline is connected with a high-pressure compressed air source.
Preferably, the sectional shape of the pipe line bending part is a rectangular pipe sectional shape.
Preferably, the arch breaking device operates regularly at intervals in the material conveying process, so that long-time blockage prevention in the material conveying process can be guaranteed.
Preferably, a powder flowing speed monitoring device (such as a powder flowmeter) can be further arranged on the pipeline of the pneumatic powder conveying system, when the powder flowmeter monitors that the flowing speed of powder materials in the pipeline is reduced, the arch breaking device is actively opened to dredge the bent part of the pipeline in time, and therefore long-time non-blocking in the material conveying process can be guaranteed.
The invention has the beneficial effects that:
first, the arch breaking device for pipeline bent part blockage of the pneumatic powder conveying system provided by the invention can realize online arch breaking of pipeline bent part powder blockage by adopting the arch breaking gear driven by the servo motor, thereby ensuring that the pneumatic powder conveying system is not blocked after long-time operation.
Secondly, according to the pipeline bending part blocking arch breaking device of the pneumatic powder conveying system, the arch breaking gear is of a specially designed incomplete arch breaking gear structure, and the arc-shaped section of the incomplete arch breaking gear is aligned with the edge of the inner side wall of the arch breaking window on the pipeline bending part, so that a smooth transition surface for powder material to pass through is formed, and the resistance for powder material flow to pass through is reduced.
Thirdly, the pipeline bending part blocking arch breaking device of the pneumatic powder conveying system is provided with the pulse arch breaking enhancer, high-pressure air is conveyed to a neutral position between two adjacent arch breaking teeth on the arch breaking gear through the high-pressure gas pipeline, the high-pressure air is instantly transferred to the inside of the pipeline bending part when the arch breaking gear rotates, and a pulse arch breaking enhancement effect is formed, so that the effect of blocking and breaking arches by powder materials at the pipeline bending part is further improved.
Fourthly, according to the pipeline bending part blocking arch breaking device of the pneumatic powder conveying system, the rotating direction of each arch breaking gear is consistent with the flowing direction of the powder material, and the high-pressure air output direction of the pulse arch breaking intensifier is consistent with the flowing direction of the powder material, so that the powder material flow is smoother.
Drawings
FIG. 1 is a schematic structural diagram of an outline of a pipeline bending part blocking arch breaking device of a pneumatic powder conveying system of the invention;
FIG. 2 is a schematic cross-sectional view of the internal structure of FIG. 1;
FIG. 3 is a partial enlarged view of the first powder blocking arch breaking device in FIG. 2;
fig. 4 is a schematic view of the structure of the pipe bending part in fig. 2.
In the figure: 1. the device comprises a pipeline bending part, 2, a powder blocking arch breaking device, 3, an arch breaking window, 4, a gear chamber shell, 5, an arch breaking gear, 6, arch breaking teeth, 7, a matching window, 8, a convex arch breaking window, 9, a concave arch breaking window, 10, an arc section, 11, edge arch breaking teeth, 12, middle arch breaking teeth, 13, a gear chamber front cover plate, 14, a gear chamber rear cover plate, 15, a gear shaft, 16, a speed reduction driving mechanism, 17, a speed reducer, 18, a servo motor, 19, a driving gear, 20, a driven gear, 21, a first powder blocking arch breaking device, 22, a second powder blocking arch breaking device, 23, a third powder blocking arch breaking device, 24, a fourth powder blocking arch breaking device, 25, a fifth powder blocking arch breaking device, 26, a transition gear, 27 and a high-pressure gas pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 4 show an embodiment of a pipeline bending part blocking and arch breaking device of a pneumatic powder conveying system according to the present invention, which comprises a pipeline bending part 1 and a plurality of powder blocking and arch breaking devices 2 arranged at external positions of the pipeline bending part 1, the powder blocking arch breaking device 2 comprises a plurality of arch breaking windows 3 arranged at the position of the pipeline bending part 1, a gear chamber shell 4 arranged outside the pipeline bending part 1 and connected with the arch breaking windows 3, an arch breaking gear 5 rotatably arranged in the gear chamber shell 4 and used for dredging blocking powder in the pipeline bending part 1, and a plurality of arch breaking teeth 6 arranged on the arch breaking gear 5, a matching window 7 is arranged on the gear chamber shell 4 and connected with the arch breaking window 3, the matched window 7 of the gear chamber shell 4 is butted on the arch breaking window 3 of the pipeline bending part 1; when the arch breaking gear 5 rotates, the arch breaking teeth 6 of the arch breaking gear pass through the matching window 7 and the arch breaking window 3 and enter the pipeline bending part 1, so that the blockage powder is dredged, and after the dredging is completed, the arch breaking gear 5 rotates and resets to an initial position, so that all the arch breaking teeth 6 on the arch breaking gear 5 return to the inside of the gear chamber shell 4.
In this embodiment, the arch breaking windows 3 include a plurality of convex arch breaking windows 8 spaced apart from each other at convex positions of the pipeline bending portion 1, and a plurality of concave arch breaking windows 9 spaced apart from each other at concave positions of the pipeline bending portion 1.
Preferably, the gear chamber housing 4 is welded to the edge of the arch breaking window 3 of the pipeline bending portion 1.
In order to reduce the flowing resistance of the powder material in the pipeline bending part 1, the further improvement scheme is as follows: one side part of the arch breaking gear 5 facing the inner direction of the pipeline bending part 1 is cut off through an arc-shaped section 10 to form a incomplete arch breaking gear 5, and the arc-shaped section 10 of the incomplete arch breaking gear 5 is aligned with the edge of the inner side wall of the arch breaking window 3 to form a smooth transition surface for powder materials to pass through.
In this embodiment, a gear chamber front cover plate 13 and a gear chamber rear cover plate 14 are respectively disposed at front and rear side portions of the pipeline bending portion 1, the gear chamber housing 4 is connected between the gear chamber front cover plate 13 and the gear chamber rear cover plate 14, a gear shaft 15 is disposed on a central axis of the arch breaking gear 5, and two ends of the gear shaft 15 are rotatably connected to the gear chamber front cover plate 13 and the gear chamber rear cover plate 14 through respective bearings (not shown in the figure).
In order to realize automatic online arch breaking, a speed reduction driving mechanism 16 for driving the arch breaking gear 5 to rotate is arranged on the gear chamber front cover plate 13, the speed reduction driving mechanism 16 comprises a speed reducer 17 and a servo motor 18 connected with the speed reducer 17, a driving gear 19 is arranged on an output shaft of the speed reducer 17, a driven gear 20 is arranged on the gear shaft 15, and the driving gear 19 drives the driven gear 20 to rotate through meshing transmission; an angle encoder used for controlling the corner position of the arch breaking gear 5 is further arranged on the output shaft of the speed reducer 17.
When in arch breaking operation, the servo motor 18 drives the output shaft of the speed reducer 17 to rotate, and further drives the arch breaking gear 5 to rotate for a plurality of circles, so that the arch breaking operation when powder materials at the pipeline bending part 1 are blocked is realized, and the blocked part is timely dredged.
Because the output shaft of the speed reducer 17 is provided with the angle encoder, a motor control module of the arch breaking device can acquire the corner position of the arch breaking gear 5, so that after arch breaking operation is finished, the motor control module can control the arch breaking gear 5 to rotate and reset to the original position before arch breaking, and smooth flow passage in the pipeline bending part 1 is recovered; and because the arch breaking gear 5 is reset to the original position before arch breaking to form a smooth transition surface for powder materials to pass through, the smooth transition surface is used as a part of the internal flow passage of the pipeline bending part 1 to be aligned with the arch breaking window, thereby reducing the flow resistance of the powder materials.
As a further improvement of the present embodiment, the number of the powder blockage arch breaking devices 2 is several and the powder blockage arch breaking devices are respectively arranged at the convex part position and the concave part position of the pipeline bending part 1 at intervals.
As a preferable configuration of the pipeline bending part blocking and arch breaking device of the pneumatic powder conveying system according to the present embodiment, the powder blocking and arch breaking device 2 includes a first powder blocking and arch breaking device 21, a second powder blocking and arch breaking device 22, and a third powder blocking and arch breaking device 23 which are located at the convex position of the pipeline bending part 1 and are sequentially arranged at intervals, and a fourth powder blocking and arch breaking device 24 and a fifth powder blocking and arch breaking device 25 which are located at the concave position of the pipeline bending part 1 and are arranged at intervals.
In the first powder blocking arch breaking device 21, the second powder blocking arch breaking device 22 and the third powder blocking arch breaking device 23, a transition gear 26 is engaged between the driven gears 20 of two adjacent powder blocking arch breaking devices 2; a transition gear 26 is meshed between the driven gears 20 of the fourth powder blocking arch breaking device 24 and the fifth powder blocking arch breaking device 24; a driving gear 19 on an output shaft of the speed reducer 17 is meshed with the driven gear 20 on the third powder blocking arch breaking device 23; the driving gear 19 on the output shaft of the speed reducer 17 is indirectly meshed with the driven gear 20 on the fifth powder blocking arch breaking device 25 through a transition gear 26.
Through the arrangement, the rotating direction of each arch breaking gear 5 is consistent with the conveying direction of the powder materials.
In this embodiment, when the pipeline bending portion 1 is in a working state of material conveying, the arch breaking gear 5 is completely located in the gear chamber housing 4, and the arc-shaped section 10 of the arch breaking gear 5 is aligned with the edge of the inner side wall of the arch breaking window 3, so as to form a smooth transition surface for powder material to pass through; when the pipeline bending part 1 is blocked, the arch breaking teeth 6 of the arch breaking gear 5 rotate to enter the pipeline bending part 1, so that the blocking powder in the pipeline bending part 1 is dredged.
In this embodiment, the arch breaking teeth 6 on the arch breaking gear 5 include edge arch breaking teeth 11 located at two edge positions of the arc-shaped tangent plane and a middle arch breaking tooth 12 located in the gear chamber housing 4.
In order to improve the arch breaking effect, the further improvement scheme is as follows: the gear chamber shell 4 is provided with a high-pressure gas inlet, the powder blocking arch breaking device 2 is also provided with a pulse arch breaking enhancer, the pulse arch breaking enhancer comprises a high-pressure gas pipeline 27 connected to the high-pressure gas inlet of the gear chamber shell 4, and the high-pressure gas inlet is positioned at a position close to one side of the arch breaking tooth 6 which rotates out of the gear chamber shell 4 and enters the pipeline bending part 1; when the arch breaking gear rotates, the high-pressure gas filled into the neutral position between two adjacent arch breaking teeth 6 by the high-pressure gas pipeline 27 is sequentially conveyed into the pipeline bending part 1 at intervals, so that a pulse enhanced arch breaking effect for powder blocked in the pipeline bending part 1 is formed.
In this embodiment, the high-pressure gas pipeline 27 is connected to a high-pressure compressed air source.
Preferably, the sectional shape of the pipe bending portion 1 is a rectangular pipe sectional shape.
Preferably, the arch breaking device operates regularly at intervals in the material conveying process, so that long-time blockage prevention in the material conveying process can be guaranteed.
Preferably, a powder flowing speed monitoring device (such as a powder flowmeter) can be further arranged on the pipeline of the pneumatic powder conveying system, when the powder flowmeter monitors that the flowing speed of powder materials in the pipeline is reduced, the arch breaking device is actively opened to dredge the bent part 1 of the pipeline in time, and therefore long-time non-blocking in the material conveying process can be guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A pipeline bending part blocking arch breaking device of a pneumatic powder conveying system is characterized by comprising a pipeline bending part and a plurality of powder blocking arch breaking devices arranged at the position outside the pipeline bending part, wherein each powder blocking arch breaking device comprises a plurality of arch breaking windows arranged at the position outside the pipeline bending part, a gear chamber shell arranged outside the pipeline bending part and connected with the arch breaking windows, an arch breaking gear rotatably arranged in the gear chamber shell and used for dredging blocking powder inside the pipeline bending part, and a plurality of arch breaking teeth arranged on the arch breaking gear, wherein a matching window is arranged at the position, connected with the arch breaking windows, on the gear chamber shell, and the matching window of the gear chamber shell is in butt joint with the arch breaking windows of the pipeline bending part; when the arch breaking gear rotates, the arch breaking teeth of the arch breaking gear pass through the matching window and the arch breaking window to enter the pipeline bent part, so that the blocking powder is dredged, and after the dredging is completed, the arch breaking gear rotates and resets to the initial position, so that all the arch breaking teeth on the arch breaking gear return to the inside of the gear chamber shell.
2. The pipeline bend blockage arch breaking device of the pneumatic powder conveying system as claimed in claim 1, wherein the arch breaking windows comprise a plurality of convex arch breaking windows spaced at convex positions of the pipeline bend and a plurality of concave arch breaking windows spaced at concave positions of the pipeline bend.
3. The pipeline bend blockage arch breaking device of the pneumatic powder conveying system as claimed in claim 1, wherein a portion of one side of the arch breaking gear facing the direction inside the pipeline bend is cut off through an arc-shaped section to form a segment arch breaking gear, and the arc-shaped section of the segment arch breaking gear is aligned with the edge of the inner side wall of the arch breaking window to form a smooth transition surface for powder material to pass through.
4. The pipeline bending part blocking arch breaking device of the pneumatic powder conveying system according to claim 3, wherein a gear chamber front cover plate and a gear chamber rear cover plate are respectively arranged at the front side and the rear side of the pipeline bending part, the gear chamber shell is connected between the gear chamber front cover plate and the gear chamber rear cover plate, a gear shaft is arranged on a central axis of the arch breaking gear, and two ends of the gear shaft are rotatably connected to the gear chamber front cover plate and the gear chamber rear cover plate through bearings respectively.
5. The pipeline bending part blocking arch breaking device of the pneumatic powder conveying system according to claim 4, wherein a speed reduction driving mechanism for driving the arch breaking gear to rotate is arranged on the front cover plate of the gear chamber, the speed reduction driving mechanism comprises a speed reducer and a servo motor connected with the speed reducer, a driving gear is arranged on an output shaft of the speed reducer, a driven gear is arranged on a gear shaft, and the driving gear drives the driven gear to rotate through meshing transmission; and an angle encoder used for controlling the corner position of the arch breaking gear is also arranged on the output shaft of the speed reducer.
6. The pipeline bending part blocking and arch breaking device of the pneumatic powder conveying system according to claim 5, wherein a plurality of powder blocking and arch breaking devices are arranged at intervals at the convex part position and the concave part position of the pipeline bending part respectively.
7. The pipeline bend blockage arch breaking device of the pneumatic powder conveying system according to claim 6, wherein the powder blockage arch breaking device comprises a first powder blockage arch breaking device, a second powder blockage arch breaking device, a third powder blockage arch breaking device, a fourth powder blockage arch breaking device and a fifth powder blockage arch breaking device, wherein the first powder blockage arch breaking device, the second powder blockage arch breaking device and the third powder blockage arch breaking device are sequentially arranged at intervals at a convex position of the pipeline bend, and the fourth powder blockage arch breaking device and the fifth powder blockage arch breaking device are arranged at intervals at a concave position of the pipeline bend.
8. The pipeline bending part blocking arch breaking device of the pneumatic powder conveying system according to claim 7, wherein in the first powder blocking arch breaking device, the second powder blocking arch breaking device and the third powder blocking arch breaking device, a transition gear is engaged between the driven gears of two adjacent powder blocking arch breaking devices; a transition gear is meshed between the driven gears of the fourth powder blocking arch breaking device and the fifth powder blocking arch breaking device; a driving gear on the output shaft of the speed reducer is meshed with the driven gear on the third powder blocking arch breaking device; and the driving gear on the output shaft of the speed reducer is indirectly meshed with the driven gear on the fifth powder blocking arch breaking device through a transition gear.
9. The pipeline bending part blocking arch breaking device of the pneumatic powder conveying system according to claim 8, wherein when the pipeline bending part is in a material conveying working state, the arch breaking gear is completely positioned in the gear chamber housing, and an arc-shaped section of the arch breaking gear is aligned with an edge of an inner side wall of the arch breaking window so as to form a smooth transition surface for powder materials to pass through; when the pipeline bending part is blocked, the arch breaking teeth of the arch breaking gear rotate to enter the inside of the pipeline bending part, so that the blockage powder inside the pipeline bending part is dredged.
10. The pipeline bend blockage arch breaking device of the pneumatic powder conveying system according to claim 9, wherein a high-pressure gas inlet is formed in the gear chamber housing, a pulse arch breaking enhancer is further arranged on the powder blockage arch breaking device, the pulse arch breaking enhancer comprises a high-pressure gas pipeline connected to the high-pressure gas inlet of the gear chamber housing, and the high-pressure gas inlet is located at a position close to one side of the arch breaking teeth, which are turned out of the gear chamber housing and enter the pipeline bend; when the arch breaking gear rotates, high-pressure gas filled into a neutral position between two adjacent arch breaking teeth by the high-pressure gas pipeline is sequentially conveyed into the pipeline bending part at intervals, so that a pulse enhanced arch breaking effect on blocking powder inside the pipeline bending part is formed.
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| CN202111564184.0A CN114413104B (en) | 2021-12-20 | 2021-12-20 | Pipeline bending part blocking arch breaking device of pneumatic powder conveying system |
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| CN202111564184.0A CN114413104B (en) | 2021-12-20 | 2021-12-20 | Pipeline bending part blocking arch breaking device of pneumatic powder conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116354117A (en) * | 2023-05-18 | 2023-06-30 | 湖南五指峰生化有限公司 | Pneumatic conveying system |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004123326A (en) * | 2002-10-03 | 2004-04-22 | Tomosada Kenki:Kk | Tube pump |
| KR20070041175A (en) * | 2005-10-14 | 2007-04-18 | 주식회사 두배시스템 | Robot for internal inspection of pipe |
| CN204225252U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Anti-blocking PVC sewer pipe |
| CN206449351U (en) * | 2016-12-21 | 2017-08-29 | 宋少华 | A kind of antitheft anti-blocking multi-functional lobby water pipe with safeguard structure |
| CN107477263A (en) * | 2017-09-26 | 2017-12-15 | 刘海强 | Sewer pipe |
| CN207179033U (en) * | 2017-07-31 | 2018-04-03 | 陕西北元化工集团股份有限公司 | A kind of pipeline rapid plugging device |
| CN109469789A (en) * | 2018-11-18 | 2019-03-15 | 张雅慧 | A kind of water pipeline with anti-clogging performance |
| CN211098887U (en) * | 2019-07-29 | 2020-07-28 | 如皋市雨润纤维科技有限公司 | Biomass briquetting particle feeding system |
| CN212056281U (en) * | 2020-02-11 | 2020-12-01 | 丽水市莲都区毅荣凯盛模具厂 | PVC tubular product structure |
| CN212768128U (en) * | 2019-12-11 | 2021-03-23 | 溧阳市裕达机械有限公司 | Feeding device |
| CN212891897U (en) * | 2020-07-06 | 2021-04-06 | 中冶长天国际工程有限责任公司 | Viscous material discharge device |
| CN112855965A (en) * | 2021-01-16 | 2021-05-28 | 江苏庆海石油机械有限公司 | Large-diameter slag discharge gate valve |
| CN214744170U (en) * | 2021-06-04 | 2021-11-16 | 徐砚军 | Dredging device for thermal pipeline |
-
2021
- 2021-12-20 CN CN202111564184.0A patent/CN114413104B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004123326A (en) * | 2002-10-03 | 2004-04-22 | Tomosada Kenki:Kk | Tube pump |
| KR20070041175A (en) * | 2005-10-14 | 2007-04-18 | 주식회사 두배시스템 | Robot for internal inspection of pipe |
| CN204225252U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Anti-blocking PVC sewer pipe |
| CN206449351U (en) * | 2016-12-21 | 2017-08-29 | 宋少华 | A kind of antitheft anti-blocking multi-functional lobby water pipe with safeguard structure |
| CN207179033U (en) * | 2017-07-31 | 2018-04-03 | 陕西北元化工集团股份有限公司 | A kind of pipeline rapid plugging device |
| CN107477263A (en) * | 2017-09-26 | 2017-12-15 | 刘海强 | Sewer pipe |
| CN109469789A (en) * | 2018-11-18 | 2019-03-15 | 张雅慧 | A kind of water pipeline with anti-clogging performance |
| CN211098887U (en) * | 2019-07-29 | 2020-07-28 | 如皋市雨润纤维科技有限公司 | Biomass briquetting particle feeding system |
| CN212768128U (en) * | 2019-12-11 | 2021-03-23 | 溧阳市裕达机械有限公司 | Feeding device |
| CN212056281U (en) * | 2020-02-11 | 2020-12-01 | 丽水市莲都区毅荣凯盛模具厂 | PVC tubular product structure |
| CN212891897U (en) * | 2020-07-06 | 2021-04-06 | 中冶长天国际工程有限责任公司 | Viscous material discharge device |
| CN112855965A (en) * | 2021-01-16 | 2021-05-28 | 江苏庆海石油机械有限公司 | Large-diameter slag discharge gate valve |
| CN214744170U (en) * | 2021-06-04 | 2021-11-16 | 徐砚军 | Dredging device for thermal pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 林宗寿: "水泥与混凝土科学技术5000问 破碎、烘干、均化、输送及环保", 武汉理工大学出版社, pages: 199 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116354117A (en) * | 2023-05-18 | 2023-06-30 | 湖南五指峰生化有限公司 | Pneumatic conveying system |
| CN116354117B (en) * | 2023-05-18 | 2023-08-04 | 湖南五指峰生化有限公司 | Pneumatic conveying system |
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| CN114413104B (en) | 2024-03-01 |
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Address after: 214400 No. 9, Shenjiabang Road, Yunting Street, Jiangyin City, Wuxi City, Jiangsu Province (Business premises: No. 58, Shenjiadang, Nanguo Village, Changjing Town, Jiangyin City) Patentee after: Jiangsu Gaoda Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 214400 Yunting Street industrial concentration zone, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN GAODA TRANSPORTATION MACHINERY TECHNOLOGY Co.,Ltd. Country or region before: China |