CN204892151U - Farine separator with guiding device - Google Patents
Farine separator with guiding device Download PDFInfo
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- CN204892151U CN204892151U CN201520688641.0U CN201520688641U CN204892151U CN 204892151 U CN204892151 U CN 204892151U CN 201520688641 U CN201520688641 U CN 201520688641U CN 204892151 U CN204892151 U CN 204892151U
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- Prior art keywords
- blast pipe
- radiation shield
- cone
- shell
- collection powder
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Abstract
The utility model provides a farine separator with guiding device, includes shell, its characterized in that: install the blast pipe in the shell, the shell bottom is connected with the cone, the cone bottom is provided with the reflecting screen, the cone is connected the collection powder and is fought, be connected the air -supply line along the tangent line between shell and the blast pipe, be equipped with the porous guide plate that is ladder - like distribution in the air -supply line, the welding of porous guide plate is inside the air -supply line, first explosion vent is installed at the top of blast pipe, and its lateral part sets up the gas vent, the bottom of blast pipe is provided with the shutter, shutter sub -unit connection whirl divertor, the whirl divertor includes the collector, the collector mid -mounting has the aircraft head, the overhead blade of installing of aircraft. The utility model discloses having set up porous guide plate in the air -supply line, under the effect of porous guide plate, having realized gas flow distribution and gas -solid separation, made gas flow uniform distribute, low drag profile improves separation efficiency, and the buggy separation is effectual.
Description
Technical field
The utility model relates to a kind of fine powder separator, is specially a kind of fine powder separator with guiding device, belongs to coal dust separation technology field.
Background technology
Pulverized-coal collector is one of most important equipment in the ball type pulverizer system of thermal power plant, and its Main Function is separated from weary gas by coal dust, and the height of separative efficiency directly affects the safety and economic operation of boiler controller system.
In prior art, conventional pulverized-coal collector adopts single stage centrifugal separator, its separating effect relies on the effect of centrifugal force to be separated, and the size of centrifugal force reduces with the increase of barrel diameter, along with the continuous increase of thermal power generation boiler capacity, the diameter of separator also increases accordingly, therefore, in large sized unit, ubiquity pulverized-coal collector separative efficiency is low, and weary band of gas powder amount is too much, cause mill exhauster serious wear, affect service life;
At present, separator in use, inlet air flow due to wind speed comparatively large, air flow method is uneven, and separative efficiency is low, coal dust inferior separating effect; In use for some time, the fine solid particle in collection powder bucket is often bonded on collection powder headwall collection powder bucket, is easy to blocking collection powder bucket, brings very large inconvenience to the use of separator.
Summary of the invention
The utility model is for the problems referred to above, a kind of fine powder separator with guiding device is provided, perforated baffle is provided with in blast pipe, under the effect of perforated baffle, realize distribution of air flow and gas solid separation, uniform stream is distributed, reduce resistance, improve separative efficiency, coal dust good separating effect; Utilize compressed air intermittent deashing under the control of electromagnetic impulse valve, prevent trickle coal dust to be bonded on collection powder headwall, blocking collection powder bucket, air deashing device structure is simple, impulsive force is large, ash-removal effect is obvious and do not damage collecting powder bucket; Be tightly connected by O RunddichtringO nipple and outer joint chair, time saving and energy saving, easy to operate.
The technical solution of the utility model is: a kind of fine powder separator with guiding device, comprise shell, it is characterized in that: in described shell, blast pipe is installed, described outer casing bottom is connected with cone, described cone base is provided with radiation shield, described cone connects collection powder bucket, described shell is tangentially connected blast pipe with between blast pipe, the perforated baffle of stepped distribution is provided with in blast pipe, described perforated baffle is welded on blast pipe inside, the top of described blast pipe is provided with the first explosion proof door, its sidepiece arranges exhaust outlet, the bottom of described blast pipe is provided with shutter, described shutter bottom connects impeller guide device, described impeller guide device comprises current collector, in the middle part of described current collector, aircraft nose is installed, described aircraft nose is provided with blade, the outside support by stay pipe of described impeller guide device is installed, described collection powder bucket is supported by collection powder bucket floor and is installed on cone base, the outer wall of described collection powder bucket is provided with air deashing device, air deashing device comprises support, described support is provided with gas bag, gas bag outlet connects electromagnetic impulse valve by tube connector, electromagnetic impulse valve is connected with straight tube, the straight tube other end fixedly welds with outer joint chair, nipple one end is fixedly welded with injection tube, the nipple other end inserts in outer joint chair, nipple other end outer ring is provided with O RunddichtringO, be tightly connected by O RunddichtringO nipple and outer joint chair, the end of giving vent to anger of injection tube is stretched in collection powder bucket, the end of giving vent to anger of injection tube is provided with blocks dust and falls into occlusion part in injection tube, described radiation shield comprises radiation shield base plate, breather pipe vertically arranged with radiation shield base plate, described radiation shield base plate and breather pipe are provided with radiation shield and bore width, described radiation shield base plate, breather pipe and radiation shield cone width form triangular structure, two groups of triangular structure symmetries are installed, the second explosion proof door is installed at the top of described shell, in the outside wall surface of described shell, interval is provided with channel-section steel circle.
The beneficial effects of the utility model are: the utility model provides a kind of fine powder separator with guiding device, perforated baffle is provided with in blast pipe, under the effect of perforated baffle, realize distribution of air flow and gas solid separation, uniform stream is distributed, reduce resistance, improve separative efficiency, coal dust good separating effect; Utilize compressed air intermittent deashing under the control of electromagnetic impulse valve, prevent trickle coal dust to be bonded on collection powder headwall, blocking collection powder bucket, air deashing device structure is simple, impulsive force is large, ash-removal effect is obvious and do not damage collecting powder bucket; Be tightly connected by O RunddichtringO nipple and outer joint chair, time saving and energy saving, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front view of part 10 impeller guide device in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural representation of part 13 radiation shield in Fig. 1.
Fig. 5 is A place enlarged drawing in Fig. 1.
Fig. 6 is the enlarged drawing of the outer joint chair of part 27 in Fig. 5.
Fig. 7 is the enlarged drawing of part 29 nipple in Fig. 5.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, in Fig. 7, 1. the first explosion proof door, 2. exhaust outlet, 3. blast pipe, 4. perforated baffle, 5. the second explosion proof door, 6. shell, 7. blast pipe, 8. channel-section steel circle, 9. shutter, 10. impeller guide device, 11. stay pipes, 12. cones, 13. radiation shields, 14. collection powder bucket floors, 15. collection powder buckets, 16. current collectors, 17. blades, 18. aircraft noses, 19. radiation shield cone width, 20. breather pipes, 21. radiation shield base plates, 22. supports, 23. gas bags, 24. tube connectors, 25. electromagnetic impulse valves, 26. straight tubes, 27. outer joint chairs, 28.O RunddichtringO, 29. nipples, 30. injection tubes, 31. occlusion parts, 32. air deashing devices.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, the utility model is a kind of fine powder separator with guiding device, comprise shell 6, it is characterized in that: in described shell 6, blast pipe 7 is installed, cone 12 is connected with bottom described shell 6, radiation shield 13 is provided with bottom described cone 12, described cone 12 connects collection powder bucket 15, described shell 6 is tangentially connected blast pipe 3 with between blast pipe 7, the perforated baffle 4 of stepped distribution is provided with in blast pipe 3, it is inner that described perforated baffle 4 is welded on blast pipe 3, the top of described blast pipe 7 is provided with the first explosion proof door 1, its sidepiece arranges exhaust outlet 2, the bottom of described blast pipe 7 is provided with shutter 9, described shutter 9 bottom connects impeller guide device 10, described impeller guide device 10 comprises current collector 16, in the middle part of described current collector 16, aircraft nose 18 is installed, described aircraft nose 18 is provided with blade 17, described impeller guide device 10 outside is supported by stay pipe 11 installs, described collection powder bucket 15 is supported by collection powder bucket floor 14 and is installed on bottom cone 12, the outer wall of described collection powder bucket 15 is provided with air deashing device 32, air deashing device 32 comprises support 22, described support 22 is provided with gas bag 23, gas bag 23 exports and connects electromagnetic impulse valve 25 by tube connector 24, electromagnetic impulse valve 25 is connected with straight tube 26, straight tube 26 other end fixedly welds with outer joint chair 27, nipple 29 one end is fixedly welded with injection tube 30, nipple 29 other end inserts in outer joint chair 27, nipple 29 other end outer ring is provided with O RunddichtringO 28, be tightly connected by O RunddichtringO 28 nipple 29 and outer joint chair 27, the end of giving vent to anger of injection tube 30 is stretched in collection powder bucket 15, the end of giving vent to anger of injection tube 30 is provided with blocks dust and falls into occlusion part 31 in injection tube 30, described radiation shield 13 comprises radiation shield base plate 21, breather pipe 20 vertically arranged with radiation shield base plate 21, described radiation shield base plate 21 and breather pipe 20 are provided with radiation shield and bore 19, described radiation shield base plate 21, breather pipe 20 and a radiation shield cone 19 formation triangular structure, two groups of triangular structure symmetries are installed, the second explosion proof door 5 is installed at the top of described shell 6, in the outside wall surface of described shell 6, interval is provided with channel-section steel circle 8.
The course of work of the present utility model is:
Dust-contained airflow is rotated tangentially to be introduced in separator by blast pipe 3 by separator, perforated baffle 4 is provided with in blast pipe 3, under the effect of perforated baffle 4, solids get rid of the barrel to shell 6 by centrifugal force, it is along barrel rotary motion from top to bottom, rotate the centrifugal force produced coal dust is separated, fall in collection powder bucket 15, meanwhile, the air-flow mixed flow that this strand rotates from top to bottom flows to cone 12 inwall, due to the effect of radiation shield 13, rise by rotating from the some reverse flow of cone 12 end and with helix, enter impeller guide device 10, by the gyroscopic action of blade 17, its part coal dust entered in blast pipe 7 is separated again, air-flow after purification is discharged by top vent 2,
The utility model can be widely used in large coal-fired boiler the ball type pulverizer system, and it can suppress swirling eddy to entrainment the qualified coal dust be captured in collection powder bucket 15.Shutter 9 and impeller guide device 10, by coordinating radiation shield 13 again to be separated by coal dust, improve separative efficiency;
During work, compressed air is passed in gas bag 23, air heating pipe is utilized to heat containing Wet Compression air and remove the moisture in compressed air, the dry compressed air temperature entering collection powder bucket 15 is made to remain on more than dew-point temperature, dry compressed air is under the control of electromagnetic impulse valve 25, intermittent being passed into through injection tube 30 collects in powder bucket 15, intermittent deashing, compressed-air actuated impulsive force is large, ash-removal effect is obviously and to collection powder bucket 15 not damage, trickle coal dust is prevented to be bonded on collection powder bucket 15 wall, blocking collection powder bucket 15;
End of giving vent to anger due to injection tube 30 is provided with blocks dust and falls into occlusion part 31 in injection tube 30, when injection tube 30 does not work, is not easy to fall in injection tube 30, can effectively prevents the mouth of pipe of injection tube 30 from being blocked by dust when dust falls in collection powder bucket 15;
When injection tube 30 need overhaul or change, nipple 29 one end is fixedly welded with injection tube 30, nipple 29 other end is inserted in outer joint chair 27, nipple 29 other end outer ring is provided with O RunddichtringO 28, be tightly connected by O RunddichtringO 28 nipple 29 and outer joint chair 27, time saving and energy saving, easy to operate.
It can thus be appreciated that the utility model provides a kind of fine powder separator with guiding device, is provided with perforated baffle in blast pipe, under the effect of perforated baffle, realize distribution of air flow and gas solid separation, uniform stream is distributed, reduce resistance, improve separative efficiency, coal dust good separating effect; Utilize compressed air intermittent deashing under the control of electromagnetic impulse valve, prevent trickle coal dust to be bonded on collection powder headwall, blocking collection powder bucket, air deashing device structure is simple, impulsive force is large, ash-removal effect is obvious and do not damage collecting powder bucket; Be tightly connected by O RunddichtringO nipple and outer joint chair, time saving and energy saving, easy to operate.The utility model can be widely used in large coal-fired boiler the ball type pulverizer system, and it can suppress swirling eddy to entrainment the qualified coal dust be captured in collection powder bucket.Shutter and impeller guide device, by coordinating radiation shield again to be separated by coal dust, improve separative efficiency.
Claims (1)
1. the fine powder separator with guiding device, comprise shell, it is characterized in that: in described shell, blast pipe is installed, described outer casing bottom is connected with cone, described cone base is provided with radiation shield, described cone connects collection powder bucket, described shell is tangentially connected blast pipe with between blast pipe, the perforated baffle of stepped distribution is provided with in blast pipe, described perforated baffle is welded on blast pipe inside, the top of described blast pipe is provided with the first explosion proof door, its sidepiece arranges exhaust outlet, the bottom of described blast pipe is provided with shutter, described shutter bottom connects impeller guide device, described impeller guide device comprises current collector, in the middle part of described current collector, aircraft nose is installed, described aircraft nose is provided with blade, the outside support by stay pipe of described impeller guide device is installed, described collection powder bucket is supported by collection powder bucket floor and is installed on cone base, the outer wall of described collection powder bucket is provided with air deashing device, air deashing device comprises support, described support is provided with gas bag, gas bag outlet connects electromagnetic impulse valve by tube connector, electromagnetic impulse valve is connected with straight tube, the straight tube other end fixedly welds with outer joint chair, nipple one end is fixedly welded with injection tube, the nipple other end inserts in outer joint chair, nipple other end outer ring is provided with O RunddichtringO, be tightly connected by O RunddichtringO nipple and outer joint chair, the end of giving vent to anger of injection tube is stretched in collection powder bucket, the end of giving vent to anger of injection tube is provided with blocks dust and falls into occlusion part in injection tube, described radiation shield comprises radiation shield base plate, breather pipe vertically arranged with radiation shield base plate, described radiation shield base plate and breather pipe are provided with radiation shield and bore width, described radiation shield base plate, breather pipe and radiation shield cone width form triangular structure, two groups of triangular structure symmetries are installed, the second explosion proof door is installed at the top of described shell, in the outside wall surface of described shell, interval is provided with channel-section steel circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688641.0U CN204892151U (en) | 2015-09-01 | 2015-09-01 | Farine separator with guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688641.0U CN204892151U (en) | 2015-09-01 | 2015-09-01 | Farine separator with guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204892151U true CN204892151U (en) | 2015-12-23 |
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ID=54914365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688641.0U Expired - Fee Related CN204892151U (en) | 2015-09-01 | 2015-09-01 | Farine separator with guiding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204892151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391336A (en) * | 2016-10-28 | 2017-02-15 | 北京建筑材料科学研究总院有限公司 | Cyclone separator for fine dust |
-
2015
- 2015-09-01 CN CN201520688641.0U patent/CN204892151U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391336A (en) * | 2016-10-28 | 2017-02-15 | 北京建筑材料科学研究总院有限公司 | Cyclone separator for fine dust |
| CN106391336B (en) * | 2016-10-28 | 2021-05-07 | 北京建筑材料科学研究总院有限公司 | Fine ash cyclone separator |
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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: 20151223 Termination date: 20180901 |