CN215256885U - Rotary kiln fan capable of effectively improving pressure drop and air quantity - Google Patents
Rotary kiln fan capable of effectively improving pressure drop and air quantity Download PDFInfo
- Publication number
- CN215256885U CN215256885U CN202120356378.0U CN202120356378U CN215256885U CN 215256885 U CN215256885 U CN 215256885U CN 202120356378 U CN202120356378 U CN 202120356378U CN 215256885 U CN215256885 U CN 215256885U
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- fan
- shell
- rotary kiln
- pressure drop
- impeller
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- 239000000428 dust Substances 0.000 claims abstract description 27
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000010405 clearance mechanism Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides an effectively improve rotary kiln fan of pressure drop amount of wind, include: the fan comprises a fan shell, a bottom shell, a box body, an air outlet pipe and an impeller body, wherein a through groove is formed in the bottom of the fan shell in a penetrating mode, and the through groove extends to the inside of the bottom shell; and the driving mechanism comprises a rotating shaft, a belt pulley and a driving motor, one end of the rotating shaft is fixed with the impeller body, and the rotating shaft penetrates through the fan shell and is connected with the fan shell in a rotating manner. The utility model discloses can carry out automatic clearance to self inside impeller to avoid vacuum impeller's periphery to be covered by the dust, make vacuum impeller operation more stable, effectively improved the pressure drop and the amount of wind of fan simultaneously, solved because the rotary kiln fan inhales dust content in the gas great, the periphery that causes vacuum impeller easily covers has a large amount of dusts, and then hinders vacuum impeller operation, leads to the pressure drop and the amount of wind decline of fan, influences the problem of fan efficiency.
Description
Technical Field
The utility model relates to a rotary kiln fan field especially relates to a effectively improve rotary kiln fan of pressure drop amount of wind.
Background
The rotary kiln is a novel energy-saving kiln popularized and used in China, has the advantages of high yield, low energy consumption, easiness in operation and control, good finished product quality, high yield and the like, cement clinker calcination by the rotary kiln is a generally adopted mature process technology, the application range is very wide, a rotary kiln fan plays a very important role in the rotary kiln, and the rotary kiln fan is responsible for introducing high-temperature air with the temperature of more than 500 ℃ in a cooler into a coal nozzle to serve as combustion-supporting air.
However, the dust content in the sucked gas of the fan of the rotary kiln is large, which easily causes the periphery of the vacuum impeller to be covered with a large amount of dust, and further hinders the operation of the vacuum impeller, thereby causing the pressure drop and the air volume reduction of the fan and influencing the efficiency of the fan.
Therefore, the rotary kiln fan capable of effectively improving the pressure drop air quantity is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an effectively improve rotary kiln fan of pressure drop amount of wind to solve the problem that proposes among the above-mentioned background art.
The utility model provides a pair of effectively improve rotary kiln fan of pressure drop amount of wind, include:
the fan comprises a fan shell, a bottom shell, a box body, an air outlet pipe and an impeller body, wherein a through groove is formed in the bottom of the fan shell in a penetrating mode, and the through groove extends to the inside of the bottom shell;
the driving mechanism comprises a rotating shaft, a belt pulley and a driving motor, one end of the rotating shaft is fixed with the impeller body, the rotating shaft penetrates through the fan shell and is connected with the fan shell in a rotating mode, the belt pulley is connected to the surface of the rotating shaft in a bolted mode, the driving motor is installed inside the box body, the belt pulley is fixed with an output shaft of the driving motor, and the belt pulley is in transmission connection with the belt pulley through a belt;
clearance mechanism, clearance mechanism includes the second pneumatic cylinder, holds and connects fill, brush, connecting pipe and dust catcher, the inside at the drain pan is installed to the second pneumatic cylinder, hold and connect the output shaft reciprocal anchorage who fights and the second pneumatic cylinder, the brush setting is accepting the rear at fighting the top, the one end of connecting pipe and the bottom of holding fighting communicate each other, and the other end of connecting pipe and the import of dust catcher communicate each other, the top of drain pan inner chamber is provided with the shutoff mechanism.
Preferably, the plugging mechanism comprises a plugging plate, a fixed rod and a first hydraulic cylinder, the first hydraulic cylinder is installed at the top of the inner cavity of the bottom shell, the fixed rod is fixed with an output shaft of the first hydraulic cylinder, the plugging plate is bolted with the other end of the fixed rod, and the top of the plugging plate is connected with the inner wall of the bottom shell in a sliding mode.
Preferably, one end of the rotating shaft, which is far away from the impeller body, is fixedly connected with a cam shaft, the other end of the cam shaft is rotatably connected with the inner wall of the box body, and a cam sensor is installed above the inner cavity of the box body.
Preferably, the bottom of the inner cavity of the bottom shell is bolted with a vertical rod, the top end of the vertical rod is bolted with a lantern ring, and the connecting pipe is connected with the inner wall of the lantern ring in a sliding manner.
Preferably, the connecting pipe is a stainless steel hose, and the length of the connecting pipe is greater than the up-and-down movement interval of the receiving hopper.
Preferably, the surfaces of the two sides of the bottom shell are provided with windows, and the two sides of the bottom shell are hinged with closed doors.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can carry out automatic clearance to the impeller of self inside to avoid the periphery of vacuum impeller to be covered by the dust, make the operation of vacuum impeller more stable, effectively improved the pressure drop and the amount of wind of fan simultaneously, solved because the rotary kiln fan inhales the dust content in the gas great, cause the periphery of vacuum impeller to cover and be covered by a large amount of dust easily, and then hinder the operation of vacuum impeller, lead to the pressure drop and the amount of wind decline of fan, influence the problem of fan efficiency;
2. the utility model discloses a setting of shutoff board, dead lever and first pneumatic cylinder, the shutoff board can be sealed logical groove, and avoid leading to the groove phenomenon that leaks, and first pneumatic cylinder can drive the shutoff board through the dead lever and remove, and control opening and shutting of logical groove, through the setting of camshaft and cam sensor, the axis of rotation can drive the camshaft with moving in the rotation process, cam sensor can detect the rotational speed of camshaft simultaneously, thereby detect the rotational speed of axis of rotation and impeller body in the lump, so that the staff adjusts the rotational speed of impeller body;
3. the utility model discloses a setting of montant and the lantern ring, they can carry on spacingly to the connecting pipe to a certain extent to avoid the connecting pipe to take place the displacement in the front and back direction, length through the design connecting pipe is greater than to hold the up-and-down motion interval of fighting, and it can avoid accepting the fill and tear the connecting pipe at the up-and-down motion in-process, and through the setting of window and closed door, the window makes things convenient for the staff to take out the inside dust of dust catcher, and closed door then can seal the window.
Drawings
Fig. 1 is a schematic structural perspective view of the present invention;
FIG. 2 is a front sectional view of the structure of FIG. 1 according to the present invention;
FIG. 3 is a left sectional view of the partial structure shown in FIG. 2 according to the present invention;
fig. 4 is a perspective view of the receiving hopper shown in fig. 2 according to the present invention;
fig. 5 is a perspective view of the collar shown in fig. 2 according to the present invention.
Reference numbers in the figures: 1. a fan housing; 2. a bottom case; 3. a box body; 4. an air outlet pipe; 5. an impeller body; 6. a drive mechanism; 61. a rotating shaft; 62. a belt pulley; 63. a belt pulley; 64. a drive motor; 7. a through groove; 8. a plugging mechanism; 81. a plugging plate; 82. fixing the rod; 83. a first hydraulic cylinder; 9. a cleaning mechanism; 91. a second hydraulic cylinder; 92. a receiving hopper; 93. a brush; 94. a connecting pipe; 95. a vacuum cleaner; 10. a camshaft; 11. a cam sensor; 12. a vertical rod; 13. a collar; 14. a window; 15. the door is closed.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, in which fig. 1 is a schematic structural perspective view of the present invention, fig. 2 is a sectional front view of the structure shown in fig. 1 of the present invention, fig. 3 is a sectional left view of the partial structure shown in fig. 2 of the present invention, fig. 4 is a schematic structural perspective view of the receiving hopper 92 shown in fig. 2 of the present invention, and fig. 5 is a schematic structural perspective view of the collar 13 shown in fig. 2 of the present invention. A rotary kiln fan capable of effectively improving pressure drop and air quantity comprises a fan shell 1, a bottom shell 2, a box body 3, an air outlet pipe 4, an impeller body 5, a driving mechanism 6 and a cleaning mechanism 9, wherein a through groove 7 is formed in the bottom of the fan shell 1 in a penetrating mode, and the through groove 7 extends to the inside of the bottom shell 2; the driving mechanism 6 comprises a rotating shaft 61, a belt pulley 62, a belt pulley 63 and a driving motor 64, one end of the rotating shaft 61 is fixed with the impeller body 5, the rotating shaft 61 penetrates through the fan shell 1 and is connected with the fan shell 1 in a rotating mode, the belt pulley 62 is bolted to the surface of the rotating shaft 61, the driving motor 64 is installed inside the box body 3, the belt pulley 63 is fixed with an output shaft of the driving motor 64, and the belt pulley 62 is in transmission connection with the belt pulley 63 through a belt; the cleaning mechanism 9 comprises a second hydraulic cylinder 91, a receiving hopper 92, a brush 93, a connecting pipe 94 and a dust collector 95, the second hydraulic cylinder 91 is arranged inside the bottom shell 2, the receiving hopper 92 and the output shaft of the second hydraulic cylinder 91 are fixed with each other, the brush 93 is arranged behind the top of the receiving hopper 92, one end of the connecting pipe 94 is communicated with the bottom of the receiving hopper 92, the other end of the connecting pipe 94 is communicated with the inlet of the dust collector 95, a blocking mechanism 8 is arranged above the inner cavity of the bottom shell 2, the fan can automatically clean the impeller inside the fan, the periphery of the vacuum impeller is prevented from being covered by dust, the operation of the vacuum impeller is more stable, the pressure drop and the air volume of the fan are effectively improved, the problem that the periphery of the vacuum impeller is easily covered by a large amount of dust due to the large dust content in the sucked by the rotary kiln fan is solved, and the operation of the vacuum impeller is further prevented, the pressure drop and the air quantity of the fan are reduced, and the efficiency of the fan is influenced.
Further, shutoff mechanism 8 is including shutoff board 81, dead lever 82 and first pneumatic cylinder 83, the top at the drain pan 2 inner chamber is installed to first pneumatic cylinder 83, the output shaft reciprocal anchorage of dead lever 82 and first pneumatic cylinder 83, the other end bolt of shutoff board 81 and dead lever 82, and the top of shutoff board 81 and the inner wall sliding connection of drain pan 2, through shutoff board 81, the setting of dead lever 82 and first pneumatic cylinder 83, shutoff board 81 can seal logical groove 7, and avoid leading to groove 7 the phenomenon that leaks out, and first pneumatic cylinder 83 then can drive shutoff board 81 through dead lever 82 and remove, and open and shut to leading to groove 7 and control.
Further, the one end fixedly connected with camshaft 10 that impeller body 5 was kept away from to axis of rotation 61, the other end of camshaft 10 rotates with the inner wall of box 3 and is connected, cam sensor 11 is installed to the top of 3 inner chambers of box, through the setting of camshaft 10 and cam sensor 11, axis of rotation 61 can drive camshaft 10 with the motion at the rotation in-process, cam sensor 11 can detect the rotational speed of camshaft 10 simultaneously, thereby detect out the rotational speed of axis of rotation 61 and impeller body 5 in the lump, so that the staff adjusts impeller body 5's rotational speed.
Further, the bottom of the inner cavity of the bottom shell 2 is bolted with a vertical rod 12, the top end of the vertical rod 12 is bolted with a lantern ring 13, and the connecting pipe 94 is connected with the inner wall of the lantern ring 13 in a sliding manner, and through the arrangement of the vertical rod 12 and the lantern ring 13, the connecting pipe 94 can be limited to a certain extent, and the connecting pipe 94 is prevented from displacing in the front-back direction.
Further, the connecting pipe 94 is a stainless steel hose, and the length of the connecting pipe 94 is greater than the up-down movement interval of the receiving hopper 92, and by designing the length of the connecting pipe 94 to be greater than the up-down movement interval of the receiving hopper 92, the receiving hopper 92 can be prevented from being torn off in the up-down movement process.
Further, window 14 has all been seted up on the surface of drain pan 2 both sides, and the both sides of drain pan 2 all articulate there is closed door 15, and through window 14 and closed door 15's setting, window 14 makes things convenient for the staff to take out the inside dust of dust catcher 95, and closed door 15 then can seal window 14.
The utility model provides a pair of effectively improve rotary kiln fan of pressure drop amount of wind's theory of operation as follows:
when the impeller body 5 is in operation, firstly, the driving motor 64 is started to drive the belt pulley 63 and the belt pulley 62 to start rotating, then the rotating shaft 61 and the impeller body 5 start rotating, at the moment, the fan starts to suck air and is discharged from the air outlet pipe 4, when the surface of the impeller body 5 is covered with dust and affects the operation, the rotating speed of the driving motor 64 can be temporarily adjusted, the impeller body 5 starts to rotate slowly, then the first hydraulic cylinder 83 is started, the output shaft of the first hydraulic cylinder 83 is contracted to drive the fixing rod 82 and the blocking plate 81 to move towards the right side, then the blocking plate 81 releases the sealing of the through groove 7, meanwhile, the second hydraulic cylinder 91 and the dust collector 95 are started, the output shaft of the second hydraulic cylinder 91 is extended to drive the receiving hopper 92 to move upwards, then the brush 93 at the top of the receiving hopper 92 is in contact with the surface of the impeller body 5, at the moment, the impeller body 5 rotates at a low speed, the dust on the surface of the impeller body falls into the receiving hopper 92 after contacting with the brush 93, dust is inhaled by dust catcher 95 through connecting pipe 94 afterwards, the dust on impeller body 5 surface reduces by a wide margin this moment, after the clearance finishes, alright open second pneumatic cylinder 91 and make the bearing fill 92 descend, open first pneumatic cylinder 83 simultaneously and make shutoff board 81 seal logical groove 7 again, then improve driving motor 64's rotational speed and make impeller body 5 high-speed operation again, this in-process this fan can carry out automatic clearance to the inside impeller of self, and avoid vacuum impeller's periphery to be covered by the dust, make vacuum impeller operation more stable, and effectively improved the pressure drop and the amount of wind of fan.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an effectively improve rotary kiln fan of pressure drop amount of wind which characterized in that includes:
the fan comprises a fan shell (1), a bottom shell (2), a box body (3), an air outlet pipe (4) and an impeller body (5), wherein a through groove (7) is formed in the bottom of the fan shell (1) in a penetrating mode, and the through groove (7) extends into the bottom shell (2);
the driving mechanism (6) comprises a rotating shaft (61), a belt pulley (62), a belt pulley (63) and a driving motor (64), one end of the rotating shaft (61) is fixed with the impeller body (5), the rotating shaft (61) penetrates through the fan shell (1) and is connected with the fan shell in a rotating mode, the belt pulley (62) is connected to the surface of the rotating shaft (61) in a bolted mode, the driving motor (64) is installed inside the box body (3), the belt pulley (63) and an output shaft of the driving motor (64) are fixed with each other, and the belt pulley (62) and the belt pulley (63) are connected through a belt in a transmission mode;
clearance mechanism (9), clearance mechanism (9) include second hydraulic cylinder (91), accept fill (92), brush (93), connecting pipe (94) and dust catcher (95), the inside at drain pan (2) is installed in second hydraulic cylinder (91), the output shaft reciprocal anchorage who accepts fill (92) and second hydraulic cylinder (91), brush (93) set up the rear at accepting fill (92) top, the one end of connecting pipe (94) and the bottom of accepting fill (92) communicate each other, and the other end of connecting pipe (94) and the import of dust catcher (95) communicate each other, the top of drain pan (2) inner chamber is provided with shutoff mechanism (8).
2. The rotary kiln fan capable of effectively improving the pressure-drop air volume according to claim 1, wherein the blocking mechanism (8) comprises a blocking plate (81), a fixing rod (82) and a first hydraulic cylinder (83), the first hydraulic cylinder (83) is installed at the top of the inner cavity of the bottom shell (2), the fixing rod (82) and the output shaft of the first hydraulic cylinder (83) are fixed to each other, the blocking plate (81) is bolted to the other end of the fixing rod (82), and the top of the blocking plate (81) is slidably connected with the inner wall of the bottom shell (2).
3. The rotary kiln fan capable of effectively improving the pressure drop air quantity according to claim 1, wherein one end of the rotating shaft (61) far away from the impeller body (5) is fixedly connected with a cam shaft (10), the other end of the cam shaft (10) is rotatably connected with the inner wall of the box body (3), and a cam sensor (11) is installed above the inner cavity of the box body (3).
4. The rotary kiln fan capable of effectively improving the pressure drop air quantity is characterized in that a vertical rod (12) is bolted to the bottom of the inner cavity of the bottom shell (2), a sleeve ring (13) is bolted to the top end of the vertical rod (12), and the connecting pipe (94) is in sliding connection with the inner wall of the sleeve ring (13).
5. The rotary kiln fan capable of effectively improving the pressure-drop air volume as claimed in claim 1, wherein the connecting pipe (94) is a stainless steel hose, and the length of the connecting pipe (94) is greater than the up-and-down movement interval of the receiving hopper (92).
6. The rotary kiln fan capable of effectively improving the pressure drop air volume according to claim 1, wherein the surfaces of the two sides of the bottom shell (2) are both provided with windows (14), and the two sides of the bottom shell (2) are both hinged with a closing door (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120356378.0U CN215256885U (en) | 2021-11-19 | 2021-11-19 | Rotary kiln fan capable of effectively improving pressure drop and air quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120356378.0U CN215256885U (en) | 2021-11-19 | 2021-11-19 | Rotary kiln fan capable of effectively improving pressure drop and air quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256885U true CN215256885U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120356378.0U Expired - Fee Related CN215256885U (en) | 2021-11-19 | 2021-11-19 | Rotary kiln fan capable of effectively improving pressure drop and air quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013365A (en) * | 2022-07-29 | 2022-09-06 | 中煤科工集团重庆研究院有限公司 | Noise-reduction explosion-proof local ventilator for coal mine area |
| CN115199593A (en) * | 2022-07-25 | 2022-10-18 | 浙江欧盾风机有限公司 | Self-cleaning formula centrifugal fan |
| CN115900365A (en) * | 2022-10-28 | 2023-04-04 | 江苏双兴工贸有限公司 | Briquetting equipment with high-efficient dust fall for kiln |
-
2021
- 2021-11-19 CN CN202120356378.0U patent/CN215256885U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199593A (en) * | 2022-07-25 | 2022-10-18 | 浙江欧盾风机有限公司 | Self-cleaning formula centrifugal fan |
| CN115013365A (en) * | 2022-07-29 | 2022-09-06 | 中煤科工集团重庆研究院有限公司 | Noise-reduction explosion-proof local ventilator for coal mine area |
| CN115900365A (en) * | 2022-10-28 | 2023-04-04 | 江苏双兴工贸有限公司 | Briquetting equipment with high-efficient dust fall for kiln |
| CN115900365B (en) * | 2022-10-28 | 2024-02-20 | 江苏双兴工贸有限公司 | Kiln is with suppression briquetting equipment with high-efficient dust fall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |