CN102357387B - Turbine reaction composite vertical mill - Google Patents
Turbine reaction composite vertical mill Download PDFInfo
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- CN102357387B CN102357387B CN2011102026591A CN201110202659A CN102357387B CN 102357387 B CN102357387 B CN 102357387B CN 2011102026591 A CN2011102026591 A CN 2011102026591A CN 201110202659 A CN201110202659 A CN 201110202659A CN 102357387 B CN102357387 B CN 102357387B
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Abstract
The invention relates to a turbine reaction composite vertical mill, which comprises a turbine disc, wherein a feeding pipe is arranged on the top of the turbine disc; a first bearing support is arranged outside the feeding pipe; the bottom of the turbine disc is connected with an output shaft of a driving motor directly or is provided with a second bearing support and is connected with the output shaft of the driving motor; the bottom of the turbine disc is connected with the output shaft of the driving motor directly by a lower end part with a middle shaft which extends downwards or is provided with the second bearing support and is connected with the output shaft of the driving motor; and a reaction disc is connected to the middle of the middle shaft. Two-stage crushing can be performed in the turbine reaction composite vertical mill, so under the condition of the same yield, the weight of equipment is only 3/5 that of 'a multi-stage turbine pulverizing mill', the height can be reduced by 1/2, the power matching is low, and power consumption can be reduced further, namely the power consumption of the vertical mill is between 5 and 6 kw h/t, and the power consumption of the multi-stage turbine pulverizing mill is more than or equal to 9 kw h/t; and the fineness of products can be higher, namely can be over 400 meshes, the pulverizing efficiency is improved greatly, the unit cost is lower, the investment can be saved, the centering and stability of a main shaft are ensured, and necessary conditions are provided for large-scale equipment.
Description
Technical field
The invention belongs to material grinding machinery, equipment technical field, especially relate to turbine counterattack combined-type vertical mill.
Background technology
Existing vertical turbine pulverizer structure generally comprises: a crushing chamber, and establish one and export axle key junction turbine up by the motor that is in below by it.
Material falls into from top after turbine and to be left the heart by the blade band of turbine and be thrown to the crushing chamber wall and pulverized.The turbine of this kind structure is connected on the cantilever-shaped output shaft of motor, and the material of accepting due to turbine can not be fully evenly to fall, the turbine degree of wear is different in addition, cause turbine to be subject to sometimes very large eccentric force, the turbine that cantilevered axle the connects unstable double swerve that can turn round, and, due to stable problem, be difficult to realize the maximization of smooth running and equipment.
The Chinese patent notification number is 201436068, the day for announcing is on April 7th, 2010, and it is few that the Chinese patent that name is called ' a kind of multistage turbine pulverizer ' discloses a kind of occupation of land, and power consumption is low, crushing and grinding efficiency is high, and unit cost is low, reduced investment, turbine flour mill easy to maintenance.
specifically disclose following technical characterictic: a kind of multistage turbine pulverizer, connected to form by at least 2 turbine disintegrating machine stacks, described turbine disintegrating machine forms and from top to bottom comprises: inside is provided with upper feeding cylindrical shell or the pipe of funnel-form feed hopper, upper feeding cylindrical shell or pipe lower end are connected with broken cylindrical shell by flange, be provided with the diaphragm plate with interstitial hole and side opening of separating for up and down in the middle of broken cylindrical shell, broken cylindrical shell top forms crusher chamber, in crusher chamber, correspondence arranges the turbine disk below being in the feed hopper outlet, the crusher chamber inwall is provided with wearing layer, be provided with motor in broken cylindrical shell bottom, after passing the dividing plate interstitial hole, its vertical output shaft connects the turbine disk.Turbine disc structure is a hollow disc, has material receiving port in the middle of end face, and side has gets rid of material mouthful.
In the middle of the bottom that broken cylindrical shell is separated by diaphragm plate is divided into two longitudinal baffles and both sides, both sides are up and down respectively corresponding to described diaphragm plate side opening and a cylinder end discharge opening, the cylindrical shell wallboard perforate of pars intermedia both sides.
Material particles enters the turbine disk from feed hopper, motor drives turbine disk High Rotation Speed, and material is continuously thrown away to wearing layer, and material is subject to the effect of turbine disk centrifugal force and acceleration of gravity, impact mutually in crusher chamber, collision friction and pulverize, flow out from the diaphragm plate side opening finally.
The present invention does further improvement on the basis of above-mentioned patent, it still has characteristics simple in structure, not only but separate unit uses, and running is very stable, and crush efficiency more stages turbine flour mill significantly improves, and power consumption is lower, wearing and tearing less, the environmental protection low-carbon (LC), simultaneously,, because stability improves, for maximizing, equipment capacity created condition.
Summary of the invention
Technical problem to be solved by this invention is that a kind of running simple in structure turbine counterattack combined-type vertical mill more stably is provided.
Technical problem to be solved by this invention is achieved through the following technical solutions: turbine counterattack combined-type vertical mill, comprise the turbine disk, it is characterized in that: described turbine disk top is provided with the hollow feed pipe, feed pipe is provided with the clutch shaft bearing supporting outward, and turbine disk bottom directly or after being provided with the second bearing supporting is connected with the drive motors output shaft again.
On the basis of the above, the present invention can also do following further improvement, and a kind of turbine counterattack combined-type vertical mill is provided, and realizes that crush efficiency is higher, and power consumption is lower, abrasive body and wear liner still less, the purpose of environmental protection low-carbon (LC).
Described turbine disk bottom directly or after being provided with the second bearing supporting is connected with the drive motors output shaft by the bottom that is provided with down the axis of stretching again, and is connected with the counterattack dish in the middle of described axis.
Described turbine disc structure is: have the material receiving port of docking feed pipe in the middle of a hollow disc, end face, bottom surface is dull and stereotyped, is provided with the sub-material blade between top and bottom, and side has gets rid of material mouthful.
Described counterattack dish structure is: a disk, end face are covered with wearing plate and erect polylith counterpunch board radially.
described turbine counterattack combined-type vertical mill structure from top to bottom forms and comprises: inside is provided with upper feeding cylindrical shell or the pipe of funnel-form feed hopper, upper feeding cylindrical shell or pipe lower end are connected with broken body by flange, be provided with the diaphragm plate with interstitial hole and side opening of separating for up and down in the middle of broken body, broken cylindrical shell top forms crusher chamber, the crusher chamber inwall is provided with wearing layer, be provided with the described turbine disk in crusher chamber, the hollow feed pipe correspondence at described turbine disk top is in feed hopper outlet below, described feed pipe is bearing on broken cylindrical shell by bearing, motor is located at broken cylindrical shell lower inside.
Above-mentioned design is the turbine counterattack combined-type vertical mill that can superpose during for needs.
The outer structure that is bearing on broken cylindrical shell by bearing of described feed pipe is: bearing is arranged on the upper cover plate of separation up and down that is used for of being located between upper feeding cylindrical shell and broken cylindrical shell by bearing block.
Described turbine disk bottom is provided with the structure that is connected with the drive motors output shaft again after the bearing supporting and is by being provided with down the axis bottom of stretching: the bearing of supporting axis bottom is fixed on described diaphragm plate, and the axis bottom is provided with axial hole and coordinates drive motors output shaft and key connection.
The structure that connects the counterattack dish in the middle of described axis is: the counterattack dish has the center hole that coordinates axis and with middle axle key, is connected.
Described bearing upside is provided with sealing device and lubricating system, prevents the infringement of dust to bearing.
In the middle of the bottom that described broken cylindrical shell is separated by diaphragm plate is divided into two longitudinal baffles and both sides, each is corresponding to described diaphragm plate side opening and cylinder end discharge opening up and down in both sides, and the cylindrical shell wallboard of pars intermedia both sides is provided with perforate, facilitates disassembling and assembling machine.
During vertical mill work of the present invention, material particles enters the turbine disk by feed hopper, feed pipe, motor drives turbine disk High Rotation Speed, material is continuously thrown away to wearing layer, mutually fall after collision crashing or the counterattack rotating disk that rebounds, again with the counterattack rotating disk of High Rotation Speed on counterpunch board clash into, through bounce-back, collision etc., final powder is broken into more tiny material and flows out from the diaphragm plate upper-side hole again.
By the requirement of grinding process, can select some vertical mills of the present invention stacks to connect, so material particles after turbine crusher in crushing topmost, then enters into the next round fragmentation from the feed hopper of second machine.
Described motor is replaceable is oil motor.
The present invention has following beneficial effect:
1, because the present invention itself has comprised that two-stage is broken, can use separately also stackable use, in the suitable situation of output, weight of equipment be only " a kind of multistage turbine pulverizer " 3/5, height can reduce by 1/2, power matching is little, can further reduce power consumption, ton material power consumption 5 ~ 6 kwh/t, and multistage turbine pulverizer 〉=9 kwh/t, product fineness can grind carefullyyer, more than reaching 400 orders, mill efficiency improves greatly, unit cost is lower, investment more economizes, easy to maintenance, structure is more reasonable, turbine disk centering and stationarity are guaranteed, for equipment enlarging provides necessary condition.
2, the turbine disk of the present invention all is provided with the bearing supporting up and down, and is during turbine disk high-speed rotation, more stable; Simultaneously,, because stability improves, for maximizing, equipment capacity created condition.
Description of drawings
Fig. 1 is the cross-sectional schematic of the embodiment of the present invention one;
Fig. 2 is the cross-sectional schematic of the embodiment of the present invention two;
Fig. 3 is the cross-sectional schematic of the embodiment of the present invention three;
Fig. 4 analyses and observe enlarged diagram along the A-A line of Fig. 3;
Fig. 5 analyses and observe enlarged diagram along the B-B line of Fig. 3;
Fig. 6 analyses and observe enlarged diagram along the C-C line of Fig. 3;
Fig. 7 is the cross-sectional schematic of the embodiment of the present invention four.
In figure: 1-axis, 2-upper feeding body, 3-feed hopper, the 4-feed pipe, 5-bearing block, 6-upper cover plate, the 7-turbine disk, the broken cylindrical shell of 8-, 9-wearing layer, 10-counterattack dish, 11-motor, the upper crusher chamber of 12-, crusher chamber under 13-, the broken cylindrical shell bottom of 14-sidepiece, 15-diaphragm plate, 16-diaphragm plate side opening, 42-cylindrical shell wallboard pars intermedia two STHs.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1: turbine counterattack combined-type vertical mill of the present invention (also can be described as the Liu Shi grinding machine
)Embodiment one, comprises the turbine disk 7, and its top is provided with feed pipe 4, and the outer clutch shaft bearing that is provided with of feed pipe 4 supports, and the bottom of the turbine disk 7 directly is connected with the output shaft of drive motors 11.The structure of the turbine disk 7 is: have the material receiving port of docking feed pipe in the middle of a hollow disc, end face, bottom surface is dull and stereotyped, is provided with the sub-material blade between top and bottom, and side has gets rid of material mouthful.
The bottom of the turbine disk 7 also can be connected with the drive motors output shaft again after the second bearing supporting is set, see embodiment two in Fig. 2.
Be provided with the clutch shaft bearing supporting because turbine disk top fed pipe 4 is outer, can be steadily a lot of compared with the existing turbine disk running that directly with the motor axle key, is connected.
Fig. 3 is to shown in Figure 6, turbine counterattack combined-type vertical mill embodiment three of the present invention, its structure forms and from top to bottom comprises: two ends are with the upper feeding pipe 2 of adpting flange, be provided with funnel type feed hopper 3 in pipe, upper feeding pipe 2 lower ends connect broken body 8 by flange, be provided with the diaphragm plate 15 with interstitial hole and side opening 16 of separating for up and down in the middle of broken body 8, broken body 8 tops form by upper, lower crusher chamber 12, 13 crusher chamber that form, on, lower crusher chamber 12, 13 inwalls are provided with wearing layer 9, wearing layer 9 is the abrasion-proof backing block of splicing, abrasion-proof backing block is fixed on the inwall of crushing chamber by dormant bolt.
Be provided with the turbine disk 7 in crusher chamber, feed pipe 4 correspondences at the turbine disk 7 tops are in feed hopper 3 outlet belows, feed pipe 4 is bearing on broken cylindrical shell by clutch shaft bearing, and concrete structure is: clutch shaft bearing is arranged on the upper cover plate 6 of separation up and down that is used for of being located between upper feeding cylindrical shell and broken cylindrical shell by bearing block 5.
The turbine disk 7 bottoms are provided with axial hole cooperation drive motors output shaft and key connection by being provided with down axis 1 bottom of stretching.
The centre of axis 1 is connected with counterattack dish 10, and structure is: an open type disk, end face are covered with wearing plate and erect polylith counterpunch board radially.Counterattack dish 10 has the center hole that coordinates axis 1 and with middle axle key, is connected, and concrete syndeton is: counterattack dish 10 is positioned at the upside of the wheel hub that arranges on axis by key and keyway.Described axis, the turbine disk, wheel hub are one-body molded.
Be provided with motor 11 in broken cylindrical shell bottom under diaphragm plate 15, the vertical output shaft of motor 11 connects the turbine disk 7 after passing diaphragm plate 15 interstitial holes.
In the middle of the bottom that broken cylindrical shell 8 is separated by diaphragm plate 15 is divided into two longitudinal baffles and both sides 14, each is corresponding to described diaphragm plate side opening and a cylinder end discharge opening up and down in both sides 14, and the cylindrical shell wallboard perforate 42(of pars intermedia both sides is as shown in Figure 6) facilitate the motor dismounting.
Fig. 7 is embodiments of the invention four, be that with embodiment three differences the turbine disk 7 bottoms are connected with the drive motors output shaft by being provided with down after axis 1 bottom of stretching is provided with the second bearing supporting again, structure is: the second bearing of supporting axis bottom is fixed on diaphragm plate 15, and axis 1 bottom is provided with axial hole and coordinates drive motors output shaft and key to connect.
First, second bearing upside is provided with sealing device and lubricating system, prevents the infringement of dust to bearing.
Motor of the present invention can also adopt oil motor to replace.
The specific works process is:
Main shaft is High Rotation Speed under motor drives, material particles falls in the turbine disk after receiving hopper enters quill shaft, material particles also High Rotation Speed under the turbine disk drives, under the effect of centrifugal force and acceleration of gravity, material is thrown away at a high speed, the wearing layer of impact grinding cavity wall, then returned to have formed material curtain layer by bounce-back, and the material that is thrown away in rapid succession meets head on to clash into, and material is pulverized in the impact that is subject to the hail of bullets in the crusher chamber on top as countless bullets is practiced shooting, strike, collision, friction; When the pulverized material in crusher chamber top fall or the counterattack rotating disk of the bottom of rebounding on the time, met head on to clash into by the counterpunch board of High Rotation Speed again again, simultaneously also can with bounce-back material and wearing layer strong collision, material do in crushing chamber like this high speed, high-frequency, circulation constantly from the phase high-speed impact, touch beat, contact, friction, mill stripping, shearing, cause the countless crackle of generation on the one or more sections of material particles, ruptured and tear solution, peel off and pulverized, fall along counterattack rotating disk periphery gap finally, by discharge opening at the bottom of diaphragm plate side opening expelling tube.
Liu Shi grinding machine and powder concentrator can form the closed cycle grinding system, and the particle of qualified fineness is selected as product through powder concentrator, and underproof material particles is sent in grinding machine grinding again again back to.When expecting thinner particle or productivity gain, can, 2 or above Liu Shi grinding machine serial connection (stack up and down) use of getting up, require rotating speed to increase progressively successively from top to bottom.
Claims (4)
1. turbine counterattack combined-type vertical mill, comprise the turbine disk, it is characterized in that: described turbine disk top is provided with the quill shaft feed pipe, and feed pipe is provided with the clutch shaft bearing supporting outward;
Described turbine disk bottom directly or after being provided with the second bearing supporting is connected with the drive motors output shaft by the bottom that is provided with down the axis of stretching again, and is connected with the counterattack dish in the middle of described axis;
Described turbine disc structure is: have the material receiving port of docking feed pipe in the middle of a hollow disc, end face, bottom surface is dull and stereotyped, is provided with the sub-material blade between top and bottom, and side has gets rid of material mouthful;
Described counterattack dish structure is: a disk, end face are covered with wearing plate and erect polylith counterpunch board radially;
vertical mill structure from top to bottom forms and comprises: inside is provided with the upper feeding cylindrical shell of funnel-form feed hopper, upper feeding cylindrical shell lower end is connected with broken cylindrical shell by flange, be provided with the diaphragm plate with interstitial hole and side opening of separating for up and down in the middle of broken cylindrical shell, broken cylindrical shell top forms crusher chamber, the crusher chamber inwall is provided with wearing layer, be provided with the described turbine disk in crusher chamber, the feed pipe correspondence at described turbine disk top is in feed hopper outlet below, described feed pipe is bearing on broken cylindrical shell by clutch shaft bearing, drive motors is located at broken cylindrical shell lower inside,
The outer structure that is bearing on broken cylindrical shell by clutch shaft bearing of feed pipe is: clutch shaft bearing is arranged on the upper cover plate of separation up and down that is used for of being located between upper feeding cylindrical shell and broken cylindrical shell by bearing block;
Turbine disk bottom is provided with the structure that is connected with the drive motors output shaft again after the second bearing supporting and is by being provided with down the axis bottom of stretching: the second bearing of supporting axis bottom is fixed on described diaphragm plate, and the axis bottom is provided with axial hole and coordinates drive motors output shaft and key connection.
2. turbine counterattack combined-type vertical mill according to claim 1 is characterized in that: the structure that connects the counterattack dish in the middle of described axis is: the counterattack dish has the center hole that coordinates axis and with middle axle key, is connected.
3. turbine counterattack combined-type vertical mill according to claim 2, is characterized in that: support feed pipe clutch shaft bearing upside and be provided with sealing device and lubricating system.
4. turbine counterattack combined-type vertical mill according to claim 3, it is characterized in that: in the middle of the bottom that described broken cylindrical shell is separated by diaphragm plate is divided into two longitudinal baffles and both sides, each is corresponding to diaphragm plate side opening and cylinder end discharge opening up and down in both sides, and the cylindrical shell wallboard of pars intermedia both sides is provided with perforate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102026591A CN102357387B (en) | 2011-07-19 | 2011-07-19 | Turbine reaction composite vertical mill |
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| CN2011102026591A CN102357387B (en) | 2011-07-19 | 2011-07-19 | Turbine reaction composite vertical mill |
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| CN102357387A CN102357387A (en) | 2012-02-22 |
| CN102357387B true CN102357387B (en) | 2013-11-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104588187B (en) * | 2014-07-28 | 2017-06-30 | 湖南朝阳电机泵业股份有限公司 | A kind of direct-drive type sand making machine |
| CN105944817A (en) * | 2016-07-08 | 2016-09-21 | 东阿阿胶股份有限公司 | Powder machine |
| CN107971111A (en) * | 2017-12-25 | 2018-05-01 | 郑州天舜电子技术有限公司 | A kind of cement block processing unit of anti-airborne dust |
| CN108499665A (en) * | 2018-04-09 | 2018-09-07 | 中际山河科技有限责任公司 | A kind of grinder |
| CN109520875A (en) * | 2018-11-20 | 2019-03-26 | 中国航发贵州黎阳航空动力有限公司 | Turbine rotor blade integral shroud overlay cladding wear resistance at elevated temperature detection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727254A1 (en) * | 1995-02-20 | 1996-08-21 | F. KURT RETSCH GmbH & Co. KG | Centrifugal mill with exchangeable cassette |
| FR2778585A1 (en) * | 1998-05-14 | 1999-11-19 | Nordberg Bergeaud Sa | Vertical axis grinder rotor shaft mounting |
| CN2377000Y (en) * | 1999-05-14 | 2000-05-10 | 于周海 | Disintegrating machine |
| US6179231B1 (en) * | 1999-07-12 | 2001-01-30 | Ernest Csendes | Method and apparatus for comminuting solid particles |
| CN201436068U (en) * | 2009-06-17 | 2010-04-07 | 佛山市南海高达建筑机械有限公司 | Multistage turbine pulverizer |
| CN101712009A (en) * | 2009-12-29 | 2010-05-26 | 佛山市南海高达建筑机械有限公司 | Top-drive vertical worm impact crusher |
| CN202143856U (en) * | 2011-07-19 | 2012-02-15 | 刘国俊 | Turbine counterattack combined-type vertical mill |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013895C1 (en) * | 1999-12-20 | 2001-06-21 | Johannes Petrus Andreas Joseph | Rotor for accelerating a flow of granular material. |
| CN2611037Y (en) * | 2003-02-19 | 2004-04-14 | 吕勇 | Double-axle type centrifugal impact grinding |
-
2011
- 2011-07-19 CN CN2011102026591A patent/CN102357387B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727254A1 (en) * | 1995-02-20 | 1996-08-21 | F. KURT RETSCH GmbH & Co. KG | Centrifugal mill with exchangeable cassette |
| FR2778585A1 (en) * | 1998-05-14 | 1999-11-19 | Nordberg Bergeaud Sa | Vertical axis grinder rotor shaft mounting |
| CN2377000Y (en) * | 1999-05-14 | 2000-05-10 | 于周海 | Disintegrating machine |
| US6179231B1 (en) * | 1999-07-12 | 2001-01-30 | Ernest Csendes | Method and apparatus for comminuting solid particles |
| CN201436068U (en) * | 2009-06-17 | 2010-04-07 | 佛山市南海高达建筑机械有限公司 | Multistage turbine pulverizer |
| CN101712009A (en) * | 2009-12-29 | 2010-05-26 | 佛山市南海高达建筑机械有限公司 | Top-drive vertical worm impact crusher |
| CN202143856U (en) * | 2011-07-19 | 2012-02-15 | 刘国俊 | Turbine counterattack combined-type vertical mill |
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