CN204544398U - The vane wind speed profile adjusting device of coal pulverizer - Google Patents
The vane wind speed profile adjusting device of coal pulverizer Download PDFInfo
- Publication number
- CN204544398U CN204544398U CN201520173779.7U CN201520173779U CN204544398U CN 204544398 U CN204544398 U CN 204544398U CN 201520173779 U CN201520173779 U CN 201520173779U CN 204544398 U CN204544398 U CN 204544398U
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- China
- Prior art keywords
- vane
- wind speed
- deflector
- adjusting rod
- coal pulverizer
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- 239000003245 coal Substances 0.000 title claims abstract description 79
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a kind of vane wind speed profile adjusting device of coal pulverizer, coal pulverizer comprises the pebble coal header be positioned at below vane and the inlet conduits be communicated with pebble coal header sidewall, the vane wind speed profile adjusting device of coal pulverizer comprise multiple deflector of being positioned at inlet conduits and with deflector adjusting rod one to one, deflector is located on adjusting rod, the wall of inlet conduits is provided with and adjusting rod multipair through hole one to one, and adjusting rod is socketed in through hole and wall is all stretched out in two ends.By arranging multiple deflector at the inlet conduits of coal pulverizer, and the angle of deflector is regulated by adjusting rod, when there is larger deviation in vane wind speed profile, then divide the situation of speed distribution according to vane, the deflector of diverse location is adjusted, makes the wind speed profile of vane each vane mouth even, prevent raw coal from falling from the vane that wind speed is low, thus solve the problem of coal pulverizer row raw coal, improve the utilization rate of raw coal, lower production cost.
Description
Technical field
The utility model relates to coal pulverizer technical field, particularly relates to a kind of vane wind speed profile adjusting device of coal pulverizer.
Background technology
At present, the First air of coal pulverizer enters coal pulverizer milling zone from the bottom to top by vane, pebble coal drops down onto pebble coal header from top to bottom by vane, but in actual motion, often there is the problem that raw coal arranged in a large number by coal pulverizer, its important reason is that vane wind speed is inadequate, usually improves vane wind speed on the whole and solves coal pulverizer by improving ventilation and reducing these two kinds of methods of vane circulation area and arrange raw coal problem in a large number.But in actual motion, even if make the vane wind speed of calculating reach theory calls by improving ventilation, still there is the problem of row's raw coal in some coal pulverizers, its reason is that vane wind speed profile exists larger deviation, raw coal falls from the vane that wind speed is low, causes the waste of raw coal and the operation exception of coal pulverizer.
Utility model content
The purpose of this utility model is the vane wind speed profile adjusting device providing a kind of coal pulverizer, can adjust the distribution situation of vane wind speed, solves the problem of coal pulverizer row raw coal, improves the utilization rate of raw coal.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of vane wind speed profile adjusting device of coal pulverizer, coal pulverizer comprises the pebble coal header be positioned at below vane and the inlet conduits be communicated with pebble coal header sidewall, the vane wind speed profile adjusting device of coal pulverizer comprise multiple deflector of being positioned at inlet conduits and with deflector adjusting rod one to one, deflector is located on adjusting rod, the wall of inlet conduits is provided with and adjusting rod multipair through hole one to one, and adjusting rod is socketed in through hole and wall is all stretched out in two ends.
By arranging multiple deflector at the inlet conduits of coal pulverizer, and the angle of primary air piping flow direction in deflector and inlet conduits is regulated by adjusting rod, when there is larger deviation in vane wind speed profile, then divide the situation of speed distribution according to vane, the deflector of diverse location is adjusted, makes the wind speed profile of vane each vane mouth even, prevent raw coal from falling from the vane that wind speed is low, thus solve the problem of coal pulverizer row raw coal, improve the utilization rate of raw coal, lower production cost.And deflector and adjusting rod one_to_one corresponding, each deflector can regulate separately, vane wind speed profile is adjusted more flexible.
Below technical scheme is further illustrated: further, the opposing parallel setting of multiple deflector, between two adjacent deflectors, there is spacing.The opposing parallel setting of multiple deflector, makes the adjustment of deflector simpler.
Further, deflector is provided with the axis hole coordinated with adjusting rod, and deflector is sheathed on adjusting rod.Deflector rotates along with the rotation of adjusting rod, makes the adjustment of deflector simpler.
Further, one end of adjusting rod is provided with angle scale.Controlled to adjust the angle of bar adjustment by angle scale, make the adjustment of deflector more precisely quick.
Further, adjusting rod is provided with handle away from one end of angle scale.By handle rotary regulating lever, make the adjustment of adjusting rod simpler.
Further, the vane wind speed profile adjusting device of coal pulverizer also comprises the locking device being fixed on described inlet conduits outer wall, and locking device is provided with the holddown groove coordinated with adjusting rod.After the adjustment of adjusting rod completes, by locking device, each adjusting rod is locked, prevent from being moved at work, ensure the stability of the vane wind speed profile adjusting device of coal pulverizer.
Further, the cross section of deflector is curved.Deflector is set to arc, reduces the resistance of inlet conduits.
Compared with prior art, the utility model has following beneficial effect:
The utility model is by arranging multiple deflector at the inlet conduits of coal pulverizer, and the angle of primary air piping flow direction in deflector and inlet conduits is regulated by adjusting rod, when there is larger deviation in vane wind speed profile, the situation of speed distribution is then divided according to vane, the deflector of diverse location is adjusted, make the wind speed profile of vane each vane mouth even, prevent raw coal from falling from the vane that wind speed is low, thus solve the problem of coal pulverizer row raw coal, improve the utilization rate of raw coal, lower production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vane wind speed profile adjusting device of the utility model embodiment coal pulverizer;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the assembling schematic diagram of the utility model embodiment deflector and adjusting rod.
Description of reference numerals:
10. pebble coal header, 20. inlet conduits, 210. walls, 220. through holes, 30 deflectors, 310. axis holes, 40. adjusting rods, 50. angle scales, 60. handles.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As depicted in figs. 1 and 2, a kind of vane wind speed profile adjusting device of coal pulverizer, coal pulverizer comprises the pebble coal header 10 being positioned at vane (accompanying drawing does not identify) below, and the inlet conduits 20 to be communicated with pebble coal header 10 sidewall, the vane wind speed profile adjusting device of coal pulverizer comprises the multiple deflectors 30 being positioned at inlet conduits 20, and with deflector 30 adjusting rod 40 one to one, deflector 30 is located on adjusting rod 40, the wall 210 of inlet conduits 20 is provided with and adjusting rod 40 multipair through hole 220 one to one, adjusting rod 40 is socketed in through hole 220, and wall 210 is all stretched out at two ends.
By arranging multiple deflector 30 at the inlet conduits 20 of coal pulverizer, and the angle of primary air piping flow direction in deflector 30 and inlet conduits 20 is regulated by adjusting rod 40, when there is larger deviation in vane wind speed profile, the situation of speed distribution is then divided according to vane, the deflector 30 of diverse location is adjusted, make the wind speed profile of vane each vane mouth even, prevent raw coal from falling from the vane that wind speed is low, thus solve the problem of coal pulverizer row raw coal, improve the utilization rate of raw coal, lower production cost.And deflector 30 and adjusting rod 40 one_to_one corresponding, each deflector 30 can regulate separately, vane wind speed profile is adjusted more flexible.
In the present embodiment, as shown in Figure 3, the cross section of deflector 30 is curved.Deflector 30 is set to arc, reduces the resistance of inlet conduits 20.Deflector 30 can also be arranged to other shapes according to actual needs.
As depicted in figs. 1 and 2, there is spacing between two adjacent deflectors 30 in the opposing parallel setting of multiple deflectors 30.The opposing parallel setting of multiple deflectors 30, makes the adjustment of deflector 30 simpler.In the present embodiment, the vane wind speed profile adjusting device of coal pulverizer is provided with four deflectors 30, and the vane wind speed profile adjusting device of coal pulverizer can also arrange plural deflector 30 according to the size of inlet conduits 20 and vane.
As shown in Figure 3, deflector 30 is provided with the axis hole 310 coordinated with adjusting rod 40, and deflector 30 is sheathed on adjusting rod 40.Deflector 30 rotates along with the rotation of adjusting rod 40, makes the adjustment of deflector 30 simpler.
As shown in Figure 1 to Figure 3, one end of adjusting rod 40 is provided with angle scale 50, and the other end is provided with handle 60.Controlled to adjust the angle of bar 40 adjustment by angle scale 50, make the adjustment of deflector 30 more precisely quick; And by handle 60 rotary regulating lever 40, make the adjustment of adjusting rod 40 simpler.
The vane wind speed profile adjusting device of coal pulverizer also comprises the locking device (accompanying drawing does not identify) being fixed on inlet conduits 20 outer wall, and locking device is provided with the holddown groove coordinated with adjusting rod 40.After the adjustment of adjusting rod 40 completes, by locking device, each adjusting rod 40 is locked, prevent from being moved at work, ensure the stability of the vane wind speed profile adjusting device of coal pulverizer.
The utility model is by arranging multiple deflector 30 at the inlet conduits 20 of coal pulverizer, and the angle of primary air piping flow direction in deflector 30 and inlet conduits 20 is regulated by adjusting rod 40, when there is larger deviation in vane wind speed profile, the situation of speed distribution is then divided according to vane, the deflector 30 of diverse location is adjusted, make the wind speed profile of vane each vane mouth even, prevent raw coal from falling from the vane that wind speed is low, thus solve the problem of coal pulverizer row raw coal, improve the utilization rate of raw coal, lower production cost.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. the vane wind speed profile adjusting device of a coal pulverizer, coal pulverizer comprises the pebble coal header be positioned at below vane and the inlet conduits be communicated with described pebble coal header sidewall, it is characterized in that, comprise multiple deflector of being positioned at described inlet conduits and with described deflector adjusting rod one to one, described deflector is located on described adjusting rod, the wall of described inlet conduits is provided with and described adjusting rod multipair through hole one to one, and described adjusting rod is socketed in described through hole and described wall is all stretched out at two ends.
2. the vane wind speed profile adjusting device of coal pulverizer according to claim 1, is characterized in that, the opposing parallel setting of multiple described deflectors, there is spacing between two adjacent described deflectors.
3. the vane wind speed profile adjusting device of coal pulverizer according to claim 1, is characterized in that, described deflector is provided with the axis hole coordinated with described adjusting rod, and described deflector is sheathed on described adjusting rod.
4. the vane wind speed profile adjusting device of coal pulverizer according to claim 1, it is characterized in that, one end of described adjusting rod is provided with angle scale.
5. the vane wind speed profile adjusting device of coal pulverizer according to claim 4, it is characterized in that, described adjusting rod is provided with handle away from one end of described angle scale.
6. the vane wind speed profile adjusting device of the coal pulverizer according to any one of claim 1 to 5, is characterized in that, also comprise the locking device being fixed on described inlet conduits outer wall, described locking device is provided with the holddown groove coordinated with described adjusting rod.
7. the vane wind speed profile adjusting device of the coal pulverizer according to any one of claim 1 to 5, it is characterized in that, the cross section of deflector is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173779.7U CN204544398U (en) | 2015-03-25 | 2015-03-25 | The vane wind speed profile adjusting device of coal pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173779.7U CN204544398U (en) | 2015-03-25 | 2015-03-25 | The vane wind speed profile adjusting device of coal pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204544398U true CN204544398U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520173779.7U Expired - Fee Related CN204544398U (en) | 2015-03-25 | 2015-03-25 | The vane wind speed profile adjusting device of coal pulverizer |
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| Country | Link |
|---|---|
| CN (1) | CN204544398U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404660A (en) * | 2019-07-10 | 2019-11-05 | 大唐东北电力试验研究院有限公司 | A kind of medium-speed pulverizer vane current equalizing structure |
| CN110935551A (en) * | 2019-12-26 | 2020-03-31 | 哈尔滨博深科技发展有限公司 | Primary air chamber guiding device of medium-speed coal mill |
| CN115400935A (en) * | 2022-08-22 | 2022-11-29 | 农业农村部南京农业机械化研究所 | Material guide mechanism applied to cylindrical screen |
-
2015
- 2015-03-25 CN CN201520173779.7U patent/CN204544398U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404660A (en) * | 2019-07-10 | 2019-11-05 | 大唐东北电力试验研究院有限公司 | A kind of medium-speed pulverizer vane current equalizing structure |
| CN110935551A (en) * | 2019-12-26 | 2020-03-31 | 哈尔滨博深科技发展有限公司 | Primary air chamber guiding device of medium-speed coal mill |
| CN115400935A (en) * | 2022-08-22 | 2022-11-29 | 农业农村部南京农业机械化研究所 | Material guide mechanism applied to cylindrical screen |
| CN115400935B (en) * | 2022-08-22 | 2024-04-19 | 农业农村部南京农业机械化研究所 | Be applied to guide mechanism in cylinder screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |