CN104984907A - Cage type rotor type air powder concentrator - Google Patents
Cage type rotor type air powder concentrator Download PDFInfo
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- CN104984907A CN104984907A CN201510410263.4A CN201510410263A CN104984907A CN 104984907 A CN104984907 A CN 104984907A CN 201510410263 A CN201510410263 A CN 201510410263A CN 104984907 A CN104984907 A CN 104984907A
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Abstract
The invention discloses a cage type rotor type air powder concentrator. The cage type rotor type air powder concentrator comprises a main classification shell internally provided with upper guiding blades evenly. An inner cone and an outer cone are arranged at the bottom of the main classification shell. An ascending air flue is formed between the inner cone and the outer cone. A feeding port is formed in the top of the main classification shell. A discharging shell is installed at the bottom end of an air inlet shell. The air inlet shell is installed at the lower end of the main classification shell and provided with a vortex air inlet. A plurality of classification areas are connected in series on an air path of single-line powder selecting airflow, so that powdery materials are scattered and separated for many times, and the separating efficiency is improved. Meanwhile, the structure is not very complex, facility upsizing is not affected, and application and popularization are facilitated.
Description
Technical field
The present invention relates to particle classifying field, be particularly useful for a kind of cage-type rotor formula air sorting machine for powder of the ball mill closed-circuit grinding system of cement industry.
Background technology
Existing powder concentrator technology for the sorting of granular material, mainly centrifugal classifier, cyclone type powder sorting machine, rotating cage type powder concentrator and various derived product thereof.
Can consult number of the edition is ISSN1002-9877, " HES high-efficient powder concentrator " in the periodical " cement " of CN11-1899/TQ in the 10th phase in 1991 paper of the 12nd page " investigation and application of a HES high-efficient powder concentrator " literary composition, the core component of this powder concentrator is the cage-type rotor of vertical rotating.
The book number also can consulting in January, 2007 publication of Chinese building material industry publishing house is: books " Modern Dry Process Cement Plant technological design handbook " the 187th page of the 6th chapter Section of 6.7 " powder concentrator of ISBN 978-7-80277-138-8, circulating load and grinding efficiency ", comprise " centrifugal classifier " of 6.7.1.2, " cyclone type powder sorting machine " of 6.7.1.3, " the O-Sepa type powder concentrator " of 6.7.1.4, " the Sepax type powder concentrator " of 6.7.1.5 etc., wherein " the O-Sepa type powder concentrator " of 6.7.1.4 and 6.7.1.5 " Sepax type powder concentrator is all belong to vertical rotating cage type powder concentrator, core component is the cage-type rotor of vertical rotating.
Can also consult number of the edition is ISSN1002-9877, " HVWF type powder concentrator " in the periodical " cement " of CN11-1899/TQ in the 6th phase paper of the 34th page " application of HVWF type powder concentrator on a slag micropowder production line " literary composition in 2007, the core component of this powder concentrator is the cage-type rotor of horizontal rotary.
Can also consult application number is CN92244422.6, and open (bulletin) number is the utility model patent " Combined multi-stage high-efficiency air powder-selecting machine " of CN2142758Y.This powder concentrator adopts dual-rotor structure, and core component is the cage-type rotor of vertical rotating.
Can also consult application number is CN201420669022, and open (bulletin) number is the utility model patent " a kind of high-efficient powder concentrator adopting side direction charging " of CN204194294U.This powder concentrator adopts birotor, two drive mechanism, and core component is the cage-type rotor of vertical rotating.
The cage-type rotor formula powder concentrator of existing vertical rotating, mainly with the single cage-type rotor formula air sorting machine for powder that " O-Sepa type powder concentrator " is representative, a spreading, a sorting.Grading effect is poor.
Also has the dual-rotor structure cage modle powder concentrator being representative with " Combined multi-stage high-efficiency air powder-selecting machine " and " a kind of high-efficient powder concentrator adopting side direction charging ", although grading effect is improved, but because structure is too complicated, particularly drive disk assembly is too complicated, maximize very difficult, apply and be restricted.
Summary of the invention
Object of the present invention is exactly the defect in order to make up prior art, a kind of cage-type rotor formula air sorting machine for powder is provided, by the series connection of many graded regions, single cage-type rotor arranges the structure of two spreading disk, realize selecting in powder air-flow, to the object of the repeatedly spreading of granular material, repeatedly sorting at single line.Both avoided the restriction that two-spool labyrinth brings, there is again the effect of multipass sort.
The present invention is achieved by the following technical solutions:
A kind of cage-type rotor formula air sorting machine for powder, include main classification housing 4, the inner homogeneous of described main classification housing 4 is furnished with guide vane 5, the bottom of described main classification housing 4 is provided with inner cone 9 and Outer Taper 11, rising air channel is formed between inner cone 9 and Outer Taper 11, main classification housing 4 top is provided with spout 22, inlet shell 13 bottom is provided with discharging housing 17, the lower end of described main classification housing 4 is provided with inlet shell 13, described inlet shell 13 is provided with vortex air inlet 15, described inlet shell 13 inner homogeneous is furnished with lower guide vane 14, the inside of described main classification housing 4 is provided with cage-type rotor 2, described cage-type rotor 2 location and installation is on main shaft 1, drive unit transmits power by main shaft 1 and drives cage-type rotor 2 to rotate, described cage-type rotor 2 neighboring has been evenly arranged rotor blade 6, between the upper guide vane 5 of rotor blade 6 and main classification housing 4 inside, gap forms main graded region, the top of described cage-type rotor 2 is provided with spreading disk 3, described cage-type rotor 2 bottom center is provided with air-out opening, the air-out opening part of cage-type rotor 2 is provided with hermetically-sealed construction 7, the lower end of described hermetically-sealed construction 7 is provided with air-out housing 12, described air-out housing 12 through after main classification housing 4 and inlet shell 13 to downward-extension, between the lower guide vane 14 of air-out housing 12 and inlet shell 13 inside, gap forms time graded region, at the inward flange of secondary graded region, outward flange is respectively arranged with stock guide 18, stock guide 19, select powder air-flow by vortex air inlet 15 vortex and enter inlet shell 13, under the distribution and guide effect of lower guide vane 14, enter time graded region, one stable flow field selecting powder air-flow be rotating is formed in secondary graded region, this selects powder air-flow under the obstruct of air-out housing 12, change direction and upwards runs, by the rising air channel between inner cone 9 and Outer Taper 11, vortex and is entered main classification housing 4, under the distribution and guide effect of upper guide vane 5, vortex and is entered main graded region, also one stable flow field selecting powder air-flow be rotating is formed in main graded region, this rotor blade 6 selecting powder air-flow to continue across cage-type rotor 2 is evenly arranged, enter cage-type rotor 2 inner, then hermetically-sealed construction 7 is arrived, flow to air-out housing 12, powder concentrator is discharged by air-out housing 12.
Described air-out housing 12 adopts underlying form, the air-out opening of cage-type rotor 2 is arranged on the centre bottom cage-type rotor 2, air-out housing 12 is installed on hermetically-sealed construction 7 lower end of cage-type rotor 2 air-out opening part, air-out housing 12 is through main classification housing 4 and inlet shell 13, and extend to below inlet shell 13, and and between the lower guide vane 14 of inlet shell 13 inside gap form time graded region, have the middle meal of part fine powder to carry out sorting again for mixing of obtaining sorting.
Described air-out housing 12 puts form on adopting, the air-out opening of cage-type rotor 2 is arranged on the centre at cage-type rotor 2 top, air-out housing 12 is installed on hermetically-sealed construction 7 upper end of the air-out opening part of cage-type rotor 2, in inlet shell 13 inside, central tube 16 is set, the powder air-flow that selects for introducing powder concentrator to inlet shell 13 intercepts and adjusts, central tube 16 and and between the lower guide vane 14 of inlet shell 13 inside gap forms secondary graded region, carry out sorting again for there being the middle meal of part fine powder to mixing after sorting.
Described cage-type rotor 2 lower end is provided with lower spreading disk 10, lower spreading disk 10 is for having the middle meal of part fine powder to shed to mixing of falling from main graded region again, part granular material is promoted by the ascending air between inner cone and Outer Taper and takes away, through upper guide vane, turn back to the sorting again of main graded region, thus realization is repeatedly shed, the object of repeatedly sorting.
Advantage of the present invention is:
Granular material of the present invention, select on the wind path of powder air-flow at single line, granular material is through repeatedly shedding and sorting, repeatedly joining with selecting powder air-flow, strengthening the cleaning selecting powder air-flow to powder granule, can fully meal and fine powder sorting be come, simultaneously, structure is not again complicated especially, does not affect equipment enlarging, is conducive to applying.
Accompanying drawing explanation
Fig. 1 is the main facade subdivision schematic diagram of the underlying form of the embodiment of the present invention 1 air-out housing.
Fig. 2 is the main facade subdivision schematic diagram of form that the embodiment of the present invention 2 air-out housing is put.
Fig. 3 is the main facade subdivision schematic diagram of underlying, the two spreading disk form of air-out housing of the present invention.
Fig. 4 be air-out housing of the present invention is put, the main facade subdivision schematic diagram of two spreading disk form.
Fig. 5 is main graded region horizonally split schematic diagram.
Fig. 6 is time graded region horizonally split schematic diagram.
Detailed description of the invention
implement 1:
See Fig. 1, a kind of cage-type rotor formula air sorting machine for powder is the main facade subdivision schematic diagram of the underlying form of air-out housing.Include main classification housing 4, the inner homogeneous of described main classification housing 4 is furnished with guide vane 5, for distributing to the powder air-flow that selects entering main classification housing and lead, the bottom of described main classification housing 4 is provided with inner cone 9 and Outer Taper 11, rising air channel is formed between inner cone 9 and Outer Taper 11, powder air-flow is selected for providing to main classification housing, main classification housing 4 top is provided with spout 22, for treating the granular material of sorting to powder concentrator feeding, inlet shell 13 bottom is provided with discharging housing 17, for collecting and outwards discharging the final meal sorted out, the lower end of described main classification housing 4 is provided with inlet shell 13, described inlet shell 13 is provided with vortex air inlet 15, for from the external world introduce vortex select powder air-flow, described inlet shell 13 inner homogeneous is furnished with lower guide vane 14, for distributing to the powder air-flow that selects entering powder concentrator and lead, the inside of described main classification housing 4 is provided with cage-type rotor 2, described cage-type rotor 2 location and installation is on main shaft 1, drive unit transmits power by main shaft 1 and drives cage-type rotor 2 to rotate, described cage-type rotor 2 neighboring has been evenly arranged rotor blade 6, between the upper guide vane 5 of rotor blade 6 and main classification housing 4 inside, gap forms main graded region, the top of described cage-type rotor 2 is provided with spreading disk 3, granular material for falling spout 22 is shed and is disperseed, described cage-type rotor 2 bottom center is provided with air-out opening, the air-out opening part of cage-type rotor is provided with hermetically-sealed construction 7, hermetically-sealed construction 7 is for sealing between the wind path rotated and static wind path, the lower end of described hermetically-sealed construction 7 is provided with air-out housing 12, described air-out housing 12 through after main classification housing 4 and inlet shell 13 to downward-extension, for outwards discharging the fine powder selecting powder air-flow and sort out, between air-out housing 12 and the lower guide vane 14 of inlet shell inside, gap forms time graded region, at the inward flange of secondary graded region, outward flange is respectively arranged with stock guide 18, stock guide 19, for will along secondary graded region inward flange, the granular material of the downward landing of outward flange sends back to the middle part of time graded region, strengthen selecting powder air-flow to the cleaning of granular material, select powder air-flow by vortex air inlet 15 vortex and enter inlet shell 13, under the distribution and guide effect of lower guide vane 14, enter time graded region, one stable flow field selecting powder air-flow be rotating is formed in secondary graded region, this selects powder air-flow under the obstruct of air-out housing 12, change direction and upwards runs, by the passage between inner cone 9 and Outer Taper 11, vortex and is entered main classification housing 4, under the distribution and guide effect of upper guide vane 5, vortex and is entered main graded region, also one stable flow field selecting powder air-flow be rotating is formed in main graded region, this rotor blade 6 selecting powder air-flow to continue across cage-type rotor 2 is evenly arranged, enter the inside of cage-type rotor 2, and then arrive hermetically-sealed construction 7, flow to air-out housing 12, powder concentrator is discharged by air-out housing 12.
Treat that the granular material of sorting feeds powder concentrator by spout 22, fall on the upper spreading disk 3 of cage-type rotor 2 upper surface setting, shed by the upper spreading disk 3 rotated and come, fall into main graded region.Be uniform and stable rotational flow field in main graded region now, powder granule is subject to the effect of two kinds of power in this flow field, and one is rotate the centrifugal force produced, and one is that wind speed carries the centripetal force given.Large and the specific area hour of coarse granule weight, centrifugal force is large and centripetal force is little, fine grained weight is little and specific area is large time, centrifugal force is little and centripetal force is large.When powder granule is enough little time, centrifugal force is less than centripetal force, powder granule is to move with the wind, move to pivot gradually, cage-type rotor inside is entered through after rotor blade 6, enter air-out housing 12 by hermetically-sealed construction 7 again, as the fine powder sorted out, discharge powder concentrator with the wind by air-out housing 12.When powder granule is enough large, centrifugal force is greater than centripetal force, and powder granule runs diametrically against the wind, gradually away from pivot, stall sedimentation after encountering rotor blade 6 or upper guide vane 5, drops out main graded region, collected by inner cone 9, descend slowly and lightly to secondary graded region.The powder air-flow that selects that powder granule rises with rotation in the process of descending slowly and lightly meets, and a part is taken away by ascending air, and through upper guide vane 5, returns to main graded region, again carry out sorting.Do not continued to descend slowly and lightly downwards by the powder granule that ascending air is taken away, fall into time graded region, again run into eddy airstream, a part is taken away by eddy airstream, turn back to main graded region, some can not be pulled away, and continues downward landing, the final meal of last conduct, discharges powder concentrator by discharging housing 17.
Embodiment 2:
See Fig. 2, topmost difference is compared with embodiment 1, the air-out opening of cage-type rotor is arranged on the centre at cage-type rotor top, the upper end of hermetically-sealed construction 7 that the air-out opening part that air-out housing 12 is arranged on cage-type rotor is arranged, selects powder air-flow and the fine particle that sorts out to discharge powder concentrator from the upper end of main classification housing 4.Now, inlet shell 13 inside needs to arrange central tube 16, replace the air-out housing 12 of the underlying form of air-out housing, the powder air-flow that selects for introducing powder concentrator to inlet shell 13 intercepts and adjusts, and and there is gap between the lower guide vane 14 of inlet shell inside, this gap forms time graded region.
See Fig. 3 and Fig. 4, be the main facade structure of the cage-type rotor formula air sorting machine for powder of two spreading disk, in this structure, the bottom of cage-type rotor 2 is also provided with lower spreading disk 10, for again shedding the granular material fallen down from main graded region and disperseing, improve grinding efficiency further.
Claims (4)
1. a cage-type rotor formula air sorting machine for powder, include main classification housing, it is characterized in that, the inner homogeneous of described main classification housing is furnished with guide vane, the bottom of described main classification housing is provided with inner cone and Outer Taper, rising air channel is formed between inner cone and Outer Taper, main classification case top is provided with spout, inlet shell bottom is provided with discharging housing, the lower end of described main classification housing is provided with inlet shell, described inlet shell is provided with vortex air inlet, described inlet shell inner homogeneous is furnished with lower guide vane, the inside of described main classification housing is provided with cage-type rotor, described cage-type rotor location and installation is on main shaft, drive unit transmits power by main shaft and drives cage-type rotor to rotate, described cage-type rotor neighboring has been evenly arranged rotor blade, between the upper guide vane of rotor blade and main classification enclosure interior, gap forms main graded region, the top of described cage-type rotor is provided with spreading disk, described cage-type rotor bottom center is provided with air-out opening, the air-out opening part of cage-type rotor is provided with hermetically-sealed construction, the lower end of described hermetically-sealed construction is provided with air-out housing, described air-out housing through after main classification housing and inlet shell to downward-extension, between air-out housing and the lower guide vane of inlet shell inside, gap forms time graded region, at the inward flange of secondary graded region, outward flange is respectively arranged with stock guide, stock guide, select powder air-flow by vortex air inlet vortex and enter inlet shell, under the distribution and guide effect of lower guide vane, enter time graded region, one stable flow field selecting powder air-flow be rotating is formed in secondary graded region, this selects powder air-flow under the obstruct of air-out housing, change direction and upwards runs, by the rising air channel between inner cone and Outer Taper, vortex and is entered main classification housing, under the distribution and guide effect of upper guide vane, vortex and is entered main graded region, also one stable flow field selecting powder air-flow be rotating is formed in main graded region, this selects powder air-flow to continue across the rotor blade that cage-type rotor is evenly arranged, enter cage-type rotor inside, then hermetically-sealed construction is arrived, flow to air-out housing, powder concentrator is discharged by air-out housing.
2. cage-type rotor formula air sorting machine for powder according to claim 1, it is characterized in that, described air-out housing adopts underlying form, the air-out opening of cage-type rotor is arranged on the centre bottom cage-type rotor, air-out housing is installed on the hermetically-sealed construction lower end of cage-type rotor air-out opening part, air-out housing is through main classification housing and inlet shell, and extend to below inlet shell, and and between the lower guide vane of inlet shell inside gap form time graded region, have the middle meal of part fine powder to carry out sorting again for mixing of obtaining sorting.
3. cage-type rotor formula air sorting machine for powder according to claim 1, it is characterized in that, described air-out housing puts form on adopting, the air-out opening of cage-type rotor is arranged on the centre at cage-type rotor top, air-out housing is installed on the hermetically-sealed construction upper end of the air-out opening part of cage-type rotor, in inlet shell inside, central tube is set, the powder air-flow that selects for introducing powder concentrator to inlet shell intercepts and adjusts, central tube and and between the lower guide vane of inlet shell inside gap forms secondary graded region, sorting is again carried out for there being the middle meal of part fine powder to mixing after sorting.
4. cage-type rotor formula air sorting machine for powder according to claim 1, it is characterized in that, described cage-type rotor lower end is provided with lower spreading disk, lower spreading disk is used for having the middle meal of part fine powder to shed to mixing of falling from main graded region again, part granular material is promoted by the ascending air between inner cone and Outer Taper and takes away, through upper guide vane, turn back to the sorting again of main graded region, thus realization is repeatedly shed, the object of repeatedly sorting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510410263.4A CN104984907A (en) | 2015-07-10 | 2015-07-10 | Cage type rotor type air powder concentrator |
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| CN201510410263.4A CN104984907A (en) | 2015-07-10 | 2015-07-10 | Cage type rotor type air powder concentrator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750200A (en) * | 2016-04-15 | 2016-07-13 | 李奇峰 | Mine slag vertical mill powder selecting machine |
| CN106944157A (en) * | 2016-01-07 | 2017-07-14 | 中国石油化工股份有限公司 | A kind of catalytic cracking catalyst prepares moulding process and system |
| CN107008562A (en) * | 2017-04-13 | 2017-08-04 | 江门市中建科技开发有限公司 | A kind of vertical powder concentrator of new cement raw material |
| CN109622252A (en) * | 2019-01-23 | 2019-04-16 | 桂林晟兴机械制造有限公司 | The efficient powder selector of outer circulation flour mill |
| CN109926163A (en) * | 2019-04-27 | 2019-06-25 | 南京凯盛国际工程有限公司 | A kind of lower air inlet selects the New-type vertical mill of powder with built-in assembled highly-effective |
| CN111085429A (en) * | 2019-12-19 | 2020-05-01 | 河北科技大学 | Energy-saving vortex powder separator |
| CN111940296A (en) * | 2020-08-08 | 2020-11-17 | 山东惟远新材料装备有限公司 | Coarse powder classifier |
| CN114433305A (en) * | 2022-03-08 | 2022-05-06 | 滕宝红 | Energy-saving and environment-friendly vertical mill |
| CN116493258A (en) * | 2023-06-28 | 2023-07-28 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944157A (en) * | 2016-01-07 | 2017-07-14 | 中国石油化工股份有限公司 | A kind of catalytic cracking catalyst prepares moulding process and system |
| CN105750200A (en) * | 2016-04-15 | 2016-07-13 | 李奇峰 | Mine slag vertical mill powder selecting machine |
| CN107008562A (en) * | 2017-04-13 | 2017-08-04 | 江门市中建科技开发有限公司 | A kind of vertical powder concentrator of new cement raw material |
| CN109622252A (en) * | 2019-01-23 | 2019-04-16 | 桂林晟兴机械制造有限公司 | The efficient powder selector of outer circulation flour mill |
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| CN109926163A (en) * | 2019-04-27 | 2019-06-25 | 南京凯盛国际工程有限公司 | A kind of lower air inlet selects the New-type vertical mill of powder with built-in assembled highly-effective |
| CN111085429A (en) * | 2019-12-19 | 2020-05-01 | 河北科技大学 | Energy-saving vortex powder separator |
| CN111940296A (en) * | 2020-08-08 | 2020-11-17 | 山东惟远新材料装备有限公司 | Coarse powder classifier |
| CN114433305A (en) * | 2022-03-08 | 2022-05-06 | 滕宝红 | Energy-saving and environment-friendly vertical mill |
| CN116493258A (en) * | 2023-06-28 | 2023-07-28 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
| CN116493258B (en) * | 2023-06-28 | 2023-09-05 | 绵阳九方环保节能科技有限公司 | Horizontal vortex powder separator capable of preventing dust accumulation |
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Application publication date: 20151021 |