CN105583155B - Double adjusting shunting efficient cyclones - Google Patents
Double adjusting shunting efficient cyclones Download PDFInfo
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- CN105583155B CN105583155B CN201610167090.2A CN201610167090A CN105583155B CN 105583155 B CN105583155 B CN 105583155B CN 201610167090 A CN201610167090 A CN 201610167090A CN 105583155 B CN105583155 B CN 105583155B
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- distributor
- separator
- inner cone
- blade
- feeding pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
Abstract
The present invention provides a kind of with pressure drop is low, separative efficiency is high, outlet double adjusting shunting efficient cyclones that powder uniformity is good and regulation performance is good.It includes wind powder entrance, shell separator, separator inner cone, distributor, radial blade, axial blade, the outlet of wind powder and feeding pipe；Wind powder entrance is located at the small-caliber end of separator inner cone；Separator inner cone is mounted in shell separator；Feeding pipe is inserted in separator inner cone；Distributor is sleeved on feeding pipe, and distributor is in funnel-form, and the vertical section of distributor lower part is equipped with slotting structure；Slotting structure circumferentially, and the gap of slotting structure along distributor axis direction extend；Radial blade is located at the heavy caliber end of separator inner cone, endless belt circle distribution of the radial blade between the inner wall and distributor outer wall of separator inner cone；Axial blade is mounted on the outer wall of feeding pipe, and axial blade is located in distributor；The outlet of wind powder is more than 1 positioned at the upper end of distributor, the number of axial blade.
Description
Technical field
The present invention relates to a kind of separator for Vertical Mill, in particular to a kind of double adjusting shunting efficient cyclones.
Background technology
Vertical Mill is a kind of ideal large-scale milling equipment, is widely used in cement, electric power, metallurgy, chemical industry, nonmetallic ore
Etc. industries.It collects broken, drying, grinding, classification are transported in one, and production efficiency is high, can be by bulk, graininess and powder raw material
Wear into required granular material.Vertical Mill is the indispensable important equipment of grinding industry, and Vertical Mill is suitable for grinding bituminous coal and poor
The powdered milling operation of the medium-hard material such as coal has the component of milling of two groups of relative motions, and component of milling is in spring
Under power, hydraulic coupling or other outer force effects, raw coal therebetween is squeezed and milled, finished breaking is at powder；Pass through component of milling
Broken pulverized powder, is thrown to vane room, these powder are taken to the powder on Vertical Mill top by the stream of hot air for flowing through vane room by rotation
Separator, excessively thick powder is separated to be regrinded again, and in this process, hot wind is accompanied by the drying to powder；?
In milling process, while the sundries such as a small amount of stone carried secretly in the also original powder of vane room and ironware are thrown to, they finally fall
Enter glove compartment, is periodically discharged.By above-mentioned process, Vertical Mill can be that electric power, metallurgy, chemical industry etc. provide qualified powder
End.
Powder（Particle）Separation classification be significant process in powder technology, separator is the key that realize this process
Equipment is all essential in the various Vertical Mills of the industries such as electric power, metallurgy, chemical industry.Especially in coal fired power generation, separation
Important component of the device as pulverized coal preparation system, performance quality influence the effects of energy saving and emission reduction of power plant apparent, good separation
Device has larger positive acting to boiler combustion efficiency, can preferably reduce net coal consumption rate level.
The separator primary structure being used on Vertical Mill in the prior art is as shown in Fig. 1, it includes wind powder entrance 01, wind
Powder outlet 02, separator inner cone 03, distributor 04, radial blade 05 and feeding pipe 06；Wind powder entrance 01 and wind powder export 02 point
Not Wei Yu separator inner cone 03 lower end and upper end；The distributor 04 and radial blade 05 is installed on separator inner cone 03
Upper end；The feeding pipe 06 is through in separator inner cone 03.The separator of this static structure is imitated since radial baffle is adjusted
Fruit is poor, results in fineness of powder and lack of homogeneity so that factory cannot usually meet high-quality powder simultaneously and that suitably contributes want
It asks, influences the economy of factory.In order to solve static structure separator shortcoming, also a kind of dynamic in the prior art
Separator solves the defect of the separator of static structure by increasing dynamic component and electric motor and controller system, but by
In increasing dynamic component and electric motor and controller system, there is also many problems during use, such as so that the vibrations of Li Mo increase
Greatly, energy consumption increase, pressure drop increase, maintenance are big etc., seriously affected the safety of factory's scratch system operation, reliability and
Economy.
In conclusion there are low separation efficiency, outlet fineness of powder height, powder for the separator being used in the prior art on Vertical Mill
The shortcomings of last lack of homogeneity, high pressure drop height and energy consumption level.
Invention content
The technical problem to be solved by the present invention is to provide a kind of with pressure drop is low, separative efficiency is high, outlet powder uniformity
The double adjusting shunting efficient cyclones for the advantages that good and regulation performance is good.
In order to solve the above technical problems, technical solution provided by the invention is：A kind of double adjusting shunting efficient cyclones,
It includes wind powder entrance, shell separator, separator inner cone, distributor, radial blade, axial blade, the outlet of wind powder and pan feeding
Pipe；The wind powder entrance is located at the small-caliber end of separator inner cone；The separator inner cone is mounted in shell separator；
The feeding pipe is inserted in separator inner cone；The distributor is sleeved on feeding pipe, and the distributor is in funnel-form,
The vertical section of distributor lower part is equipped with several slotting structures；The slotting structure circumferentially, and the seam of slotting structure
Gap extends along the axis direction of distributor；The radial blade is located at the heavy caliber end of separator inner cone, the radial leaf
Endless belt circle distribution of the piece between the inner wall and distributor outer wall of separator inner cone；The axial blade is mounted on pan feeding
On the outer wall of pipe, the axial blade is located in distributor；The wind powder outlet is positioned at the upper end of distributor；The axis
It is more than 1 to the number of blade.
Preferably, the angle of the axial blade and horizontal direction can be adjusted freely, adjustable range is 0 ° ~ 90 °.
Preferably, the angle between the depth direction of the slotting structure and the tangential direction of the slotting structure is
α, α angular range are 0 ° of α≤90 ° <.
Preferably, the angle value of the α is 60 degree.At this moment most of qualified fine particle can by slotting structure,
And underproof bulky grain cannot then follow air-flow to be stopped by the inner wall of slit completely, realize preliminary point of large or fine granule
From, improve efficiency while reduce pressure drop.
With the above structure, the present invention has the advantages that：Double shuntings that adjust of the present invention are efficiently divided
Significant improvement has been carried out to existing separator from device, has increased shunting slit and axial blade so that this double adjusting shunting is high
Effect separator has following point compared to the separator of traditional structure：
1）Fraction and fine powder, directly by slotting structure 6, reduce the pressure drop of separator after by radial blade 5
While improve the output of Vertical Mill.
2）Axial blade 7 can increase regulating power of the separator to powder fineness, solve existing separator regulation performance
The problem of difference, while axial blade can improve the harmony of each powder branch pipe.
In conclusion having the present invention provides one kind, pressure drop is low, separative efficiency is high, outlet powder uniformity is good and adjusts
The double adjusting shunting efficient cyclones for the advantages that performance is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of separator in the prior art.
Fig. 2 is double structural schematic diagrams for adjusting shunting efficient cyclone embodiment one of the invention.
Fig. 3 is the cross-sectional view in the faces A-A in Fig. 2.
Fig. 4 is the schematic diagram of the slotting structure on the distributor of separator in the present invention.
Fig. 5 is the close-up schematic view of Fig. 4.
Fig. 6 is double structural schematic diagrams for adjusting shunting efficient cyclone embodiment two of the invention.
Fig. 7 is the enlarged diagram of double axial blades for adjusting shunting efficient cyclone of the invention.
As shown in the figure：01, wind powder entrance, 02, the outlet of wind powder, 03, separator inner cone, 04, distributor, 05, radial blade,
06, feeding pipe, 1, wind powder entrance, 2, shell separator, 3, separator inner cone, 4, distributor, 5, radial blade, 6, crack knot
Structure, 7, axial blade, 8, the outlet of wind powder, 9, feeding pipe, α, slotting structure gap angle, β, axial blade and horizontal direction
Angle.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings.
Specific embodiment one
Attached drawing 5 is arrived in conjunction with attached drawing 2, a kind of double adjusting shunting efficient cyclones, it includes wind powder entrance 1, separator shell
Body 2, separator inner cone 3, distributor 4, radial blade 5, axial blade 7, wind powder outlet 8 and feeding pipe 9；The wind powder entrance
1 is located at the small-caliber end of separator inner cone 3；The separator inner cone 3 is mounted in shell separator 2；The feeding pipe 9
It is inserted in separator inner cone 3；The distributor 4 is sleeved on feeding pipe 9, and the distributor 4 is in funnel-form, distributor 4
The vertical section of lower part is equipped with several slotting structures 6；The slotting structure 6 circumferentially, and the gap edge of slotting structure
The axis direction of distributor 4 extends；The radial blade 5 is located at the heavy caliber end of separator inner cone 3, the radial blade
The 5 endless belt circle distribution between 4 outer wall of inner wall and distributor of separator inner cone 3；The axial blade 7 be mounted on into
On the outer wall of expects pipe 9, the axial blade 7 is located in distributor 4；The axial blade 7 is located at the upper of slotting structure 6
Side.The wind powder outlet 8 is located at the upper end of distributor 4；The number of the axial blade 7 is more than 1.The axial blade
7 can freely be adjusted with the angle of horizontal direction, and adjustable range is 0 ° ~ 90 °.The depth direction of the slotting structure 6 and institute
It is α to state the angle between the tangential direction of slotting structure, and α angular ranges are 0 ° of α≤90 ° <.As a further preference, described
α angle value be 60 degree.
Specific embodiment two
Further combined with attached drawing 6, a kind of double adjusting shunting efficient cyclones, it includes wind powder entrance 1, shell separator
2, separator inner cone 3, distributor 4, radial blade 5, axial blade 7, wind powder outlet 8 and feeding pipe 9；The wind powder entrance 1
Positioned at the small-caliber end of separator inner cone 3；The separator inner cone 3 is mounted in shell separator 2；The feeding pipe 9
It is inserted in separator inner cone 3；The distributor 4 is sleeved on feeding pipe 9, and the distributor 4 is in funnel-form, distributor 4
The vertical section of lower part is equipped with several slotting structures 6；The slotting structure 6 circumferentially, and the gap edge of slotting structure
The axis direction of distributor 4 extends；The radial blade 5 is located at the heavy caliber end of separator inner cone 3, the radial blade
The 5 endless belt circle distribution between 4 outer wall of inner wall and distributor of separator inner cone 3；The axial blade 7 be mounted on into
On the outer wall of expects pipe 9, the axial blade 7 is located in distributor 4；The axial blade 7 is located under slotting structure 6
Side.The wind powder outlet 8 is located at the upper end of distributor 4；The number of the axial blade 7 is more than 1.The axial blade
7 can freely be adjusted with the angle of horizontal direction, and adjustable range is 0 ° ~ 90 °.The depth direction of the slotting structure 6 and institute
It is α to state the angle between the tangential direction of slotting structure, and α angular ranges are 0 ° of α≤90 ° <.As a further preference, described
α angle value be 60 degree.
In above-mentioned two embodiment, as a further improvement, the angle of the axial blade 7 and horizontal direction can be certainly
By adjusting, adjustable range is 30 ° ~ 90 °.Additionally need special instruction is to identify powder by arrow signal in attached drawing 2
The substantially direction of motion of the end in separator.From the signal of arrow, it can also be seen that, separator of the present invention is in real work
In it is stronger to the regulating power of powder fineness.The axial blade 7 can also be set to the centre of slotting structure 6.
As follows further with regards to the special instruction of slotting structure 6, slotting structure is with perpendicular in the attached drawing in the embodiment of the present invention
What the seam of straight structure was illustrated, but when practical operation slotting structure can there are many form, such as vertically seam, horizontal joint, R-joining,
Circular hole etc. can reach identical technique effect.
Two angles involved in the present invention are further described below：The gap angle of α, slotting structure, β, axial leaf
The angle of piece and horizontal direction.In order to avoid ambiguity is construed as：α is that the gap angle of slotting structure refers to slotting structure 6
Depth direction and the tangential direction of the slotting structure between angle, the wherein tangent line in the tangential direction of slotting structure is
Tangent line of the intersection of the center line of webs gap and the circular ring structure of distributor lower part on annulus, depth direction therein refer to
The direction of distributor is run through in gap.The angle of β, axial blade and horizontal direction, with further reference to attached drawing 7, in separator work
Under state, axial blade is that the center line along the length direction of blade is swung, and the swing angle of axial blade is
Ranging from 0 to 90 degree, further combined with attached drawing 3, when the distribution that axial blade is when swinging to 0 degree, and axial blade is blocked
Gap between device 4 and feeding pipe 9 is most.
Since Vertical Mill is a more wide in range concept, when applying to different fields, the powder that Vertical Mill is ground is also each
Different, in the relatively broad medium-speed pulverizer that coal-grinding field uses, it is one kind of Vertical Mill.The present invention relates to
Double adjusting shunting efficient cyclones when applying on medium-speed pulverizer, what is be added in the feeding pipe 9 is coal.It is logical
Crossing practice confirms, when being used for coal-grinding, this separator has following advantage：1, fraction and fine breeze are passing through radial blade 5
The output that coal pulverizer is improved while the pressure drop of separator is directly reduced by slotting structure 6 afterwards.2, axial blade 7 can increase
Separator solves the problems, such as that existing separator regulation performance is poor, while axial blade can change to the regulating power of coal dust fineness
It is apt to the harmony of each coal dust branch pipe, to reduce the discharge of content of combustible carbon and NOx in flying dust.
The present invention and its embodiments have been described above, description is not limiting, shown in attached drawing also only
It is one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill people of this field
Member is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar to the technical solution
Frame mode and embodiment, be within the scope of protection of the invention.
Claims (2)
1. a kind of double adjusting shunting efficient cyclones, it is characterised in that：It includes wind powder entrance（1）, shell separator（2）,
Separator inner cone（3）, distributor（4）, radial blade（5）, axial blade（7）, wind powder outlet（8）And feeding pipe（9）；Described
Wind powder entrance（1）Positioned at separator inner cone（3）Small-caliber end；The separator inner cone（3）Mounted on shell separator（2）
It is interior；The feeding pipe（9）It is inserted in separator inner cone（3）It is interior；The distributor（4）It is sleeved on feeding pipe（9）On, it is described
Distributor（4）In funnel-form, distributor（4）The vertical section of lower part is equipped with several slotting structures（6）；The slotting structure
（6）Circumferentially, and the gap of slotting structure is along distributor（4）Axis direction extend；The radial blade（5）It is located at
Separator inner cone（3）Heavy caliber end, the radial blade（5）Along separator inner cone（3）Inner wall and distributor（4）Outer wall
Between endless belt circle distribution；The axial blade（7）Mounted on feeding pipe（9）Outer wall on, the axial blade
（7）Positioned at distributor（4）It is interior；The wind powder outlet（8）Positioned at distributor（4）Upper end；The axial blade（7）Number
Mesh is more than 1；The slotting structure（6）Depth direction and the tangential direction of the slotting structure between angle be α, the angles α
Spend ranging from 0 ° of α≤90 ° <；Under separator work state, axial blade（7）It is the center along the length direction of blade
What line was swung, the swing angle ranging from 0 to 90 of axial blade is spent.
2. double adjusting shunting efficient cyclones according to claim 1, it is characterised in that：The angle value of the α is
60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167090.2A CN105583155B (en) | 2016-03-23 | 2016-03-23 | Double adjusting shunting efficient cyclones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167090.2A CN105583155B (en) | 2016-03-23 | 2016-03-23 | Double adjusting shunting efficient cyclones |
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| Publication Number | Publication Date |
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| CN105583155A CN105583155A (en) | 2016-05-18 |
| CN105583155B true CN105583155B (en) | 2018-10-30 |
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| CN201610167090.2A Active CN105583155B (en) | 2016-03-23 | 2016-03-23 | Double adjusting shunting efficient cyclones |
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Families Citing this family (1)
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| CN109967217A (en) * | 2019-03-28 | 2019-07-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of axial separation device and its separation method for medium-speed pulverizer |
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| JPS5843270A (en) * | 1981-09-05 | 1983-03-12 | 吉森技研株式会社 | Sorter |
| JP2742066B2 (en) * | 1988-10-26 | 1998-04-22 | バブコツク日立株式会社 | Rotary classifier fine crusher |
| AT404234B (en) * | 1996-07-08 | 1998-09-25 | Pmt Gesteinsvermahlungstechnik | CLASSIFICATION WHEEL FOR A WINIFIFIER |
| CN101380631A (en) * | 2007-09-04 | 2009-03-11 | 上海重型机器厂有限公司 | Separator for coal mill |
| CN201324720Y (en) * | 2008-12-11 | 2009-10-14 | 穆祥 | Dynamic coal mill separator |
| CN101791610A (en) * | 2010-04-14 | 2010-08-04 | 西安热工研究院有限公司 | Axial baffle and movable blade combined type rotating classifier |
| CN202052700U (en) * | 2011-01-30 | 2011-11-30 | 华北电力大学（保定） | Static/dynamic blade combined rotary pulverized coal separator with dynamic blade as bending and twisting blade |
| CN202506603U (en) * | 2011-12-27 | 2012-10-31 | 华北电力大学（保定） | Variable-cross section bending torsion movable blade rotary coal powder separator |
| CN202893678U (en) * | 2012-11-07 | 2013-04-24 | 北京北交富沃机电工程科技有限公司 | Novel movable and static combined rotary separator for powder coal |
| JP6165593B2 (en) * | 2013-11-01 | 2017-07-19 | 三菱日立パワーシステムズ株式会社 | Vertical roller mill |
| CN203875010U (en) * | 2014-02-12 | 2014-10-15 | 上海意丰机电科技开发有限公司 | High-efficiency dynamic separator |
| CN203695194U (en) * | 2014-02-24 | 2014-07-09 | 北京电力设备总厂 | Efficient slag powder selecting machine |
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