CN2085264U - Double axial, parallel and centriful type coarse powder separator - Google Patents
Double axial, parallel and centriful type coarse powder separator Download PDFInfo
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- CN2085264U CN2085264U CN 91202505 CN91202505U CN2085264U CN 2085264 U CN2085264 U CN 2085264U CN 91202505 CN91202505 CN 91202505 CN 91202505 U CN91202505 U CN 91202505U CN 2085264 U CN2085264 U CN 2085264U
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Abstract
The utility model relates to a double axial, parallel and centriful type coarse powder separator, comprising a returning power tube, an intake tube, an external cone canister, an internal cone canister, regulating blades, a statocone, an isolating drill, an outlet tube, etc. A middle cone canister is fixedly arranged between the internal cone canister and the external cone canister; regulating blades are evenly arranged between the middle cone canister and the external cone canister; fixed blades are evenly arranged between the middle cone canister and the internal cone canister. The separating efficiency of the utility model achieves obvious enhancement through double axial and parallel port structure, and the resistance force of the separator is reduced by about 30% compared with previous art. The utility model is a more ideal coarse powder separator.
Description
The utility model relates to a kind of centrifugal solid separating device, specifically a kind of bi-axial, parallel and centrifugal rough powders separator.
Mill separator in present domestic power boiler breeze preparation system and the construction material cement production system, basic pattern is Soviet Union UKKS type or the imitative UKTN of Soviet Union type, after improving, adopt the axialmode blade, and replaced the secondary powder retrieving pipe of imitative threo form with air-locked type bump awl, for example Huadong Electric Power Testing Inst. and Wuxi County joint operation power equipment factory develops jointly the HW-CB-I series axialmode mill separator of design, because bump awl base plate diameter is bigger, and is general all greater than the inlet tube diameter.Like this, after the wind powder mixture air-flow is entered by inlet tube with quite high speed, because bump cone base plate, the coal dust of wherein a large amount of larger particles is flown towards oblique below by the bounce effect, and powder retrieving pipe is gone in landing to the outer wall, but a large amount of considerable qualified powders, must or very easily " be forced to take part " and descended, when mixed flow is reduced to suddenly by 18-22m/S under the situation of 4-8m/S, this " forcing to take part " effect is just more obvious, influences separative efficiency because of circulating ratio is increased.The air-lock device of bump awl is some groups of staggered overlapping arrangements and can constitutes by open hedge sheet under certain gravity, in the actual motion, the unlatching of hedge sheet can not be continuous, has only when the inner cone accumulated powder morely, and weight is greatly to a certain degree the time, just can open, at this moment a large amount of powder that return fall suddenly, cause the resistance of upwelling to increase suddenly on the one hand, cause the fluctuation of pulverized coal preparation system negative pressure, cause the coal supply voltage pulsation, influence powder process and exert oneself; On the other hand, a large amount of or more time powder fall into upwelling suddenly quickly, make pulverized coal borne air flow concentration also obviously increase suddenly quickly, must influence the separative efficiency of mill separator.The canopy that can adjust fineness of pulverized coal by lifting is housed above inner cone, because the space more than canopy, air-flow rotates consumingly with higher angular speed, near the top of canopy, form a zone that only contains qualified powder, gravitation near a sizable space the inaccessiable canopy pinnacle, just must become the stagnant area of a qualified powder.Like this, under the effect of gravity, these qualified powders can drop on the canopy, slide along the slope, fall into the recovery inner cone, will influence separating effect greatly.
The purpose of this utility model is to provide a kind of can keep the stable separating effect rate of exerting oneself, more obviously improve, can effectively reduce isolation resistance, and equipment volume is obviously reduced, save steel consumption, the bi-axial, parallel and centrifugal rough powders separator that circulating ratio is less.
The purpose of this utility model is achieved in that and adopts binary channels pattern in parallel, a middle conical tube fixedly is housed between external conical-tube and inner conical-tube, between middle conical tube and external conical-tube, be evenly distributed adjusting vane fixedly is housed by rotating shaft, between middle conical tube and inner conical-tube, be evenly distributed fixed blade fixedly is housed, according to using coal conservative angle of fixed blade design.Be about between inner conical-tube and the middle conical tube as first passage, with between middle conical tube and the external conical-tube as second channel.Second channel is an adjusting vane, air inflow is greater than first passage, keep necessary, enough big degree of regulation, the utility model replaces original air-locked type bump awl with vibration basket-hanging statocone, round platform tubular isolation cone is housed on the first passage top replaces original canopy, and make isolation cone end opening periphery wall and inner conical-tube keep an annular slot, and make full use of the inner conical-tube that has reduced like this and take up space, making wherein also has an amount of ascending air.Whole like this mill separator, air-flow mixture place of arrival all is in the ascending air state, makes entire inner space all become the dischargeable capacity space basically, reduces the separator volume effectively, reduces isolation resistance, improves separative efficiency.
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is that the utility model Figure 1B-B is to cutaway view.
Accompanying drawing 3 is the utility model outlet part-structure schematic diagram.
Accompanying drawing 4,5 is respectively the front view and the vertical view of the utility model eddy flow guider.
Below in conjunction with accompanying drawing the utility model is done to discuss in detail:
As accompanying drawing 1, shown in 2, the utility model comprises powder retrieving pipe 1, air inlet pipe 2, Outer Taper 25, outer cylinder body 11, inner cone 4, inner barrel 6, adjusting vane 8, statocone 3, isolate awl 9, outlet 15, explosion proof door 14, loam cake 18 etc., outer cylinder body 11 and Outer Taper 25 connect into external conical-tube, inner barrel 6 and inner cone 4 connect into inner conical-tube, middle conical tube fixedly is housed between inner conical-tube and external conical-tube, middle conical tube is formed by connecting by middle cylinder body 20 and middle cone 5, during middle conical tube relies on and is welded on, Outer Taper 5, in gripper shoe 23 on 25 is supported and fixed on, between the external conical-tube, between middle conical tube and external conical-tube, be evenly distributed adjusting vane 8 is installed by rotating shaft, between middle conical tube and inner conical-tube, be evenly distributed fixed blade 22 fixedly is housed, middle cone 5 end opening edges are evenly distributed and have the arch gap, are installed with a convex at the inwall upper edge of Outer Taper 25 periphery and separate weir, rank 24.
Isolating awl 9 be the round platform tubular, is supported on the top of inner barrel 6 by being welded on gripper shoe 21 on inner barrel 6 inwalls, isolates and bores 9 end open area less than inner barrel 6 sectional areas.
Statocone 3 tops isolate with being installed in that the stage clip 12 on the end floor beam 19 is connected on the cone 9 by a connecting rod 10, be lifted on the opening part of inner cone 4 lower ends, there is the slit of 5-40mm on the periphery of statocone 3 and inner cone 4 lower ending opening limits, statocone 3 tops are coniform, the bottom is for round table-like, the floor space of statocone 3 is less than the sectional area of air inlet pipe 2, connecting rod 10 is sleeved on the stage clip 12 that is fixed on the crossbeam 19, clamp nut 13 is equipped with in stage clip 12 upper ends, clamp nut 13 and connecting rod 10 adopt and are threaded, loosening or tighten clamp nut 13, can promote or reduce the height of statocone 3 by connecting rod 10, the size in the periphery of change statocone 3 and the slit of inner cone 4 end openings.
As shown in Figure 3, in outlet 15 lower ends regulating sleeve 17 is housed.Regulating sleeve 17 is connected with nut 27 on being installed in loam cake 18 by the leading screw 26 that is contained in periphery, adjusting nut 27, can regulate the lifting of regulating sleeve 17 by leading screw 26, the different cross section horizontal line of regulating sleeve 17, the circular hole that to have 8-10 diameter be 100-150mm, the eddy flow guider 16 that is made of bobbin 28 and flow deflector 29 is housed in regulating sleeve 17, as accompanying drawing 4, shown in 5, flow deflector 29 is evenly distributed and is welded between bobbin 28 and regulating sleeve 17 inwalls along the shaft of bobbin direction, flow deflector 29 is 60 ° of curved surfaces near an end of separator in identical direction, and makes concave surface relative with the rotating flow direction.
Primary mixture is entered in the Outer Taper 25 in the separator with the speed of 18-22m/S by air inlet pipe 2, and primary mixture is the bottom of some bump statocone 3 at first.Statocone 3 is lifted on the opening part of inner cone 4 lower ends by connecting rod 10, and is in service under pneumatic effect, can be on the plane 360 ° of any heavy curtains of direction moving, can shake up and down again, an amount of gas powder stream rises from the gap of statocone 3 and inner cone 4 end openings.Statocone 3 base plate diameters of the present utility model are between the 1/3-1/2 of air inlet pipe 2 diameters, and area is about 1/4 of an air inlet pipe 2.Experiment shows that air inlet pipe 2 rising gas powder stream pulverized coal particle distribution is for thin more by the center more, and the flow velocity of core is bigger again.Like this, upwelling has only a very little part to impinge upon on statocone 3 base plates, rises straight because a large amount of upwellings fails to clash into base plate, and momentum is bigger, can take the qualified powder of bump statocone base plate bounce-back " forcing to take part " to hold and continue to rise.Primary mixture rises between inner conical-tube 4 and external conical-tube 25.The expansion gradually of amassing owing to the passage anchor ring in the uphill process, some bulky grain slides dropping to successively under the self gravitation effect on Outer Taper 25 inwalls, the part of ascending air enters the first passage between inner cone 4 and the middle cone 5, the second channel during another part enters between cone 5 and the Outer Taper 25.First passage is between middle conical tube and inner conical-tube, and being evenly distributed is welded with fixed blade 22, according to using conservative angle of inclination of coal design.Second channel is evenly distributed by rotating shaft adjusting vane 8 is housed between middle conical tube and external conical-tube, by adjusting device 7 adjusting vane 8 is rotated along rotating shaft and change the angle of inclination.The air inflow of second channel is greater than first passage, as shown in Figure 2.Because of fixed blade 22 identical with the incline direction of adjusting vane 8.Enter the air-flow of first passage, fixed blade 22 is even announcement certain angle of inclination, form rotating flow by the back, be rotated rising with quite high angular speed, underproof coarse dust is thrown under action of centrifugal force on middle cylinder body 20 inwalls, and slide middle cone 4 inwalls along inwall, slide into powder retrieving pipe 1 by Outer Taper 25 inwalls, because middle cone 5 end opening edges are evenly distributed and have the arch gap, make at one time along in the powder that slides of cone 5 inwalls can not fall simultaneously, avoid making the abrupt change of upwelling resistance.Behind the air-flow process adjusting vane 8 that second channel rises, bigger equally meal slides in the powder retrieving pipe 1 through outer cylinder body 11, Outer Taper 25 inwalls.Because it is the round platform tubular that isolation bores 9, isolate the sectional area of awl 9 end open area less than inner barrel 6, promptly isolate to bore between 9 end opening outer walls edge and the inner barrel 6 maintaining an annulus.Like this, the swirling eddy that first passage is come out keeps the enough big rate of climb, reason " gravitation " does not reach and produces " stagnant area ", because isolating awl 9 is the round platform tubular, the air-flow that rises on the slit of statocone 3 and inner cone 4 passes from isolate awl 9, make upper space may lean on the qualified powder of gravity landing to enter outlet 15, the powder that falls in isolating awl 9 and slide through isolation awl 9 outer walls drops on the top cone of statocone 3, because statocone 3 ceaselessly vibrates, powder on the top cone that rests on statocone 3 is fallen from the slit of inner cone 4 and statocone 3, under the blowing of air inlet pipe 2 and air-flow, enter first passage and second channel once more.
Be thrown to underproof powder on Outer Taper 25 inwalls by centrifugal action, when sliding into convex separating weir 24, rank under Outer Taper 25 inwalls, powder risen once more, the air-flow that wherein qualified powder is risen has dashed rising, thus the raising of assurance separative efficiency.
Owing to regulating sleeve 17 is housed on outlet 15,, when needing accent big, it can be reduced when fineness of pulverized coal is too little.Because the circular hole that it is 100-150mm that the different cross section horizontal line of regulating sleeve 17 has 8-10 diameter can make like this and get the gas distribution rationally, avoid occurring around the timing under the sleeve " stagnant area ".Otherwise, then raise regulating sleeve 17, to guarantee rational separating effect.
Because the eddy flow guider 16 that is made of bobbin 28 and flow deflector 29 is housed on regulating sleeve 17, make the air-flow one that is rotating enter outlet 15 like this, will stop the rotation immediately, can avoid the wearing and tearing of outlet 15 effectively.
The utility model at present domestic produced in series with Soviet Union's modified, have following features: 1, volume is little, be convenient to make, transport and install, every equipment can be saved steel about 20%, 2, the resistance of separator reduces about 30% compared with before-improvement, and 3, the mill separator that goes out for given coal characteristic parameter designing, in certain coal scope, the adaptability that ature of coal is changed is good, can keep stable exerting oneself and separative efficiency. 4, because the architectural characteristic that has of separator, so that the overall wear amount reduces, the member of essentially no heavy wear has greatly reduced the repair and maintenance amount, and 5, the circulating ratio of separator is littler, is generally 1.7-2. 5,6, the uniformity of finished product coal dust improves, 7, the separative efficiency of separator is improved significantly, for ature of coal variation anthracite greatly, reach 71.2-83.8%, up-time efficiency generally is stabilized in more than 75%, and separative efficiency can reach 75-85%, and the utility model is present comparatively desirable mill separator.
Claims (10)
1, a kind of bi-axial, parallel and centrifugal rough powders separator, comprise powder retrieving pipe 1, air inlet pipe 2, Outer Taper 25, outer cylinder body 11, inner cone 4, inner barrel 6, adjusting vane 8, statocone 3, isolate awl 9, outlet 15, anti-riot door 14, loam cake 18 etc., outer cylinder body 11 and Outer Taper 25 connect into external conical-tube, inner barrel 6 and inner cone 4 connect into inner conical-tube, it is characterized in that: middle conical tube fixedly is housed between inner conical-tube and external conical-tube, between middle conical tube and external conical-tube, be evenly distributed adjusting vane 8 is installed, between middle conical tube and inner conical-tube, be evenly distributed fixed blade 22 fixedly is housed by rotating shaft.
2, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1, it is characterized in that statocone 3 tops isolate with being installed in that the stage clip 12 on the end floor beam 19 is connected on the cone 9 by a connecting rod 10, statocone 3 is lifted on the opening part of inner cone 4 lower ends, and there is the slit of 5-40mm on statocone 3 peripheries and inner cone 4 lower ending opening limits.
3, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1, it is characterized in that isolating awl 9 and be the round platform tubular, be supported on the top of inner barrel 6 by being welded on gripper shoe 21 on inner barrel 6 inwalls, isolate awl 9 end open area less than inner barrel 6 sectional areas.
4, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1 and 2, it is characterized in that middle conical tube is formed by connecting by middle cylinder body 20 and middle cone 5, during middle conical tube relies on and to be welded on, the gripper shoe 23 on the Outer Taper 5,25 is supported and fixed between the inside and outside awl tin.
5, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1 and 2 is characterized in that statocone 3 tops are coniform, and the bottom is for round table-like, and the base area of statocone 3 is less than the cross-sectional area of air inlet pipe 2.
6, according to claim 1 or 2 or 3 described a kind of bi-axial, parallel and centrifugal rough powders separators, it is characterized in that connecting rod 10 is sleeved on the stage clip 12 that is fixed on the crossbeam 19, clamp nut 13 is equipped with in stage clip 12 upper ends, clamp nut 13 and connecting rod 10 adopt and are threaded, loosening or tighten clamp nut 13, can promote or reduce the height of statocone 3 by connecting rod 10, the size in the periphery of change statocone 3 and the slit of inner cone 4 end openings.
7, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1 is characterized in that at the inwall upper edge of Outer Taper 25 periphery a convex being housed fixedly separates weir, rank 24.
8, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1, it is characterized in that regulating sleeve 16 being housed in outlet 15 lower ends, regulating sleeve 16 is connected with nut 27 on being installed in loam cake 18 by the leading screw 26 that is contained in periphery, adjusting nut 27 can be by the lifting of leading screw 26 regulating sleeves 16.The different cross section horizontal line of sleeve, the circular hole that to have 4-10 diameter be 100-150mm.
9, a kind of bi-axial, parallel and centrifugal rough powders separator according to claim 1, it is characterized in that being evenly distributed at middle cone 5 end opening edges has the arch gap.
10, according to claim 1 or 8 described a kind of twin shafts to related centrifugal rough powders separator, it is characterized in that in regulating sleeve 17, being equipped with the eddy flow guider 16 that constitutes by bobbin 28 and flow deflector 29, flow deflector 29 is evenly distributed and is welded between bobbin 28 and regulating sleeve 17 inwalls along the shaft of bobbin direction, and flow deflector 29 is 60 ° of curved surfaces near an end of separator in identical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91202505 CN2085264U (en) | 1991-02-12 | 1991-02-12 | Double axial, parallel and centriful type coarse powder separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91202505 CN2085264U (en) | 1991-02-12 | 1991-02-12 | Double axial, parallel and centriful type coarse powder separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2085264U true CN2085264U (en) | 1991-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91202505 Withdrawn CN2085264U (en) | 1991-02-12 | 1991-02-12 | Double axial, parallel and centriful type coarse powder separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2085264U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962120A (en) * | 2012-12-13 | 2013-03-13 | 吉林省电力有限公司电力科学研究院 | Powder recovery separator of power station boiler |
| CN103846126A (en) * | 2012-11-30 | 2014-06-11 | 黄立娜 | Highly-efficient tandem biaxial dynamic sorting and recovery powder milling apparatus with automatically regulated baffle plates |
| CN105195341A (en) * | 2015-06-09 | 2015-12-30 | 中国大唐集团科学技术研究院有限公司 | Double-in and double-out steel ball coal mill shaft diameter combined separator |
| CN107282320A (en) * | 2017-08-01 | 2017-10-24 | 上海电气上重碾磨特装设备有限公司 | Double mouse cage separator for coal mill |
| CN109789425A (en) * | 2016-08-09 | 2019-05-21 | 佐竹化学机械工业株式会社 | Stage division and device |
| CN112893122A (en) * | 2021-01-16 | 2021-06-04 | 江苏羚羊机械有限公司 | Novel double-guide air-equalizing efficient powder concentrator |
-
1991
- 1991-02-12 CN CN 91202505 patent/CN2085264U/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846126A (en) * | 2012-11-30 | 2014-06-11 | 黄立娜 | Highly-efficient tandem biaxial dynamic sorting and recovery powder milling apparatus with automatically regulated baffle plates |
| CN103846126B (en) * | 2012-11-30 | 2016-03-30 | 黄立娜 | Plate washer automatically regulates efficient series connection biaxially dynamically sorting, returns powder milling device |
| CN102962120A (en) * | 2012-12-13 | 2013-03-13 | 吉林省电力有限公司电力科学研究院 | Powder recovery separator of power station boiler |
| CN105195341A (en) * | 2015-06-09 | 2015-12-30 | 中国大唐集团科学技术研究院有限公司 | Double-in and double-out steel ball coal mill shaft diameter combined separator |
| CN109789425A (en) * | 2016-08-09 | 2019-05-21 | 佐竹化学机械工业株式会社 | Stage division and device |
| CN107282320A (en) * | 2017-08-01 | 2017-10-24 | 上海电气上重碾磨特装设备有限公司 | Double mouse cage separator for coal mill |
| CN107282320B (en) * | 2017-08-01 | 2019-08-02 | 上海电气上重碾磨特装设备有限公司 | Double mouse cage separator for coal mill |
| CN112893122A (en) * | 2021-01-16 | 2021-06-04 | 江苏羚羊机械有限公司 | Novel double-guide air-equalizing efficient powder concentrator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |