CN206631670U - Paddle type mill dynamic circulation screening crusher - Google Patents
Paddle type mill dynamic circulation screening crusher Download PDFInfo
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- CN206631670U CN206631670U CN201720184820.XU CN201720184820U CN206631670U CN 206631670 U CN206631670 U CN 206631670U CN 201720184820 U CN201720184820 U CN 201720184820U CN 206631670 U CN206631670 U CN 206631670U
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Abstract
It the utility model is related to equipment for pulverizing material, disclose a kind of paddle type mill dynamic circulation screening crusher, including rotatable hammer rotor set, charging aperture and discharging opening, also include rotatable screening drum, the inwall of screening drum is fixed with the lifting blade for raising material, described hammer rotor set is in axial direction arranged in screening drum, and described charging aperture connects with the inside of screening drum, and described discharging opening connects with the outer wall of screening drum.Because the utility model is the dynamic circulation broken material in screening drum, only it can be just discharged after raw meal particle size is qualified, circulation is broken to make material repeatedly be crushed, so as to ensure equipment to the broken high efficiency of material, transporting velocity can manual control, material output, go out grain distribution and also fully achieve manual control and adjustable range is big, compared with prior art, discharging-material size is no longer determined that tup and sieve plate are easy to wear, change frequently situation so as to avoid by the gap between tup and sieve plate.
Description
Technical field
It the utility model is related to a kind of disintegrating apparatus that the progress of coarse granule material is in small, broken bits, the energy especially in shattering process
The disintegrating machine of broken screening is constantly raised, circulated to material, and it is in small, broken bits to be mainly used in power industry coal grain, can be used for
The other industry such as field such as mine, metallurgy, chemical industry material crushes.
Background technology
In current industrial production, the crushing process of raw coal is mainly using hammer mill and reversible hammer crusher
Broken material.In two kinds of disintegrating machines, the tup of rotation forms broken cavity with sieve plate at a high speed, and material is hammered into shape after entering broken cavity
Primary drying is hit, attrition crushing, and discharging-material size is by the clearance control between tup and sieve plate.Therefore in order to obtain less discharging grain
Degree, gap is only constantly turned down, so cause tup and plate wear very serious, is changed frequent；And tup and sieve plate
Between small space and gap, easily material is compacted in shattering process, gradually form hardened piece, ultimately result in equipment
Can not normal work, and material hardening layer cleaning it is very difficult, cause cost of equipment maintenance height；Furthermore when entering in crusher chamber
Excess of imports hard material（Such as iron block）When, it moment can cause tup and damages of screen deck, cause equipment downtime accident.
Utility model content
In order to overcome in plate-hammer crusher and reversible hammer crusher tup and plate wear be fast, sieve aperture hold it is susceptible to plugging
Shortcoming, ensures a qualification rate that goes out for equipment, and the utility model provides a kind of paddle type mill dynamic circulation screening crusher so that material
Can be broken by circulation, it can just be dropped out after granule size is qualified from discharging opening, so that discharging-material size is no longer by tup and sieve
Gap between plate determines, and then reduces the abrasion between tup and sieve plate, even if into superhard material（Such as iron block）, can also subtract
Gently to the damage of tup and sieve plate.
Technical scheme is used by the utility model solves its technical problem：Paddle type mill dynamic circulation screening crusher,
Including rotatable hammer rotor set, charging aperture and discharging opening, in addition to rotatable screening drum, the inwall of screening drum is consolidated
Surely there is the lifting blade for raising material, described hammer rotor set is in axial direction arranged in screening drum, and described enters
Material mouth connects with the inside of screening drum, and described discharging opening connects with the outer wall of screening drum.
Operation principle of the present utility model is：When material enters the crusher chamber in screening drum from charging aperture, can drop down onto
The bottom of screening drum, raised again with the rotation of screening drum by lifting blade to after certain altitude afterwards, then in Action of Gravity Field
Lower waterfall is fallen on by impact grinding on the tup of rotation, and the material hit can hit onto screening drum wall and lifting blade, enter
One step is by impact crushing, and the material of bounce-back can repeat above-mentioned shattering process by tup hammering again again, in addition, material is in crusher chamber
Also along with the broken of material, the material for reaching granularity requirements after crushing can be from the sieve on screening drum body for interior mutual shock
Discharged in hole, the thick material not up to required can continue to be raised in crusher chamber, it is broken to circulate, until after qualified from sieve aperture
Discharge.
The beneficial effects of the utility model are：Because the utility model is the dynamic circulation broken material in screening drum,
Only it can be just discharged after raw meal particle size is qualified, circulating broken principle makes material repeatedly be crushed, so as to ensure equipment pair
The broken high efficiency of material, transporting velocity can manual control, material output, go out grain distribution and also fully achieve manual control and regulation
Scope is big.Compared with prior art, discharging-material size is no longer determined by the gap between tup and sieve plate, therefore without reducing as far as possible
The distance between tup and sieve plate, so as to avoid, tup and sieve plate are easy to wear, change frequently situation.In addition, equipment is overall
For horizontal type structure, therefore build and plant maintenance difficulty substantially reduces, new design concept is provided for coal handling system.
Further, the hammer rotor set includes rotor block and multiple tups being arranged on rotor block, described hammer
The distance between head and screening drum inwall are 100-1500mm.The distance ensure that the distance between tup and screening drum compared with
Greatly, material is mainly that tup impact grinding, screening drum and lifting blade impact crushing, material mutually hit broken, therefore tup
It is smaller with the abrasion of screening drum.Above-mentioned distance range is larger, can be selected most according to requirements such as the degree of crushings of material during selection
Good value.
Further, described tup by hinge on rotor block.Tup can be around rotor block fine motion, therefore is formed
Fine motion tup.
The above-mentioned further beneficial effect of technical scheme is：When fine motion tup runs into hard material in shattering process, hammer
Head can fine motion deflection, keep away its cutting edge, protection tup escapes injury.
Further, the angular speed of the screening drum rotation is less than the angular speed of hammer rotor set rotation.Screening drum
Size with hammer rotor set angular velocity of rotation is by motor variable frequency regulating speed control, i.e., according to material characteristic, timely adjustment
Screening drum and hammer rotor set rotating speed, make the output of equipment and crushing effect reach optimal.
The above-mentioned further beneficial effect of technical scheme is：Hammer rotor set relative to screening drum rotating speed faster, therefore
Hammer force degree is relatively large, and degree of crushing is high；The rotational speed of adjustment screening drum in addition, can also easily control load,
Rotational speed is faster, and material transporting velocity is accelerated, and load is bigger, on the contrary then load is smaller；It is noted that screening drum
Rotational speed it is unsuitable excessive, to avoid material from doing centrifugal motion in cylinder.
Further, some strip sieve apertures are offered on the screening drum, the width range of each sieve aperture is 1-30mm.
The width ensure that the granularity of discharging, and only qualified material can be just discharged.The specific size and distributive law of sieve aperture can be strict
The material particular diameter distribution curve required according to user is designed.It should be noted, when sieve aperture width is smaller, the coal that screens out
Granularity is smaller, and width is that 1mm can sift out tiny coal dust, for coal-powder boiler etc..
Further, in addition to the peripheral outer cover of screening drum is located at, described discharging opening is located at the bottom of outer cover, described
Oblique upper inside outer cover is provided with sweeper, the cleaning head of sweeper and the wall contacts of screening drum, can prevent material from blocking up
Fill in sieve aperture.
The further scheme of hammer rotor set, axial direction of the described hammer rotor set along screening drum are divided into coarse crushing hammer
Formula rotor set and hammer rotor set in small, broken bits, wherein coarse crushing hammer rotor set are positioned close to the side of charging aperture, and hammer in small, broken bits turns
Subgroup is arranged far from the side of charging aperture；The coarse crushing hammer rotor set and the distance of screening drum inwall are more than hammer in small, broken bits
Rotor set and the distance of screening drum inwall.
The above-mentioned further beneficial effect of technical scheme is：Material first passes through coarse crushing hammer rotor set coarse crushing, then passes through
Hammer rotor set in small, broken bits is in small, broken bits, by graded crushing, the balanced live load of hammer rotor set, and hammer rotor especially in small, broken bits
The live load of group, so as to extend the service life of tup, while alleviates vibration equipment, improves the reliable of equipment operation
Property.
Further, the quality of the coarse crushing hammer rotor set tup is more than the quality of hammer rotor set tup in small, broken bits；Slightly
The tup of broken hammer rotor set and the distance of screening drum inwall are 600mm, the tup and screening drum of hammer rotor set in small, broken bits
The distance of inwall is 300mm.
Another further scheme of hammer rotor set, the distance between the hammer rotor set and screening drum inwall, by
It is in progressive diminution shape to be laterally away from charging aperture side close to charging aperture one.
The above-mentioned further beneficial effect of technical scheme is：It is similar with such scheme, because hammer rotor set and screening are rolled
The distance between cylinder inwall is diminishing, and material can be first gradually progressive in small, broken bits, the work of each tup by coarse crushing after entering
Load is more balanced, extends the service life of tup, alleviates vibration equipment, improves equipment reliability of operation.
The further scheme of lifting blade, described lifting blade is in Spiral distribution is oriented to, and lifting blade is along screening drum axial direction quilt
Cut to dividing plate be divided into some groups of charge lattice, lifting blade is 40 ° -80 ° with the guide angle α that dividing plate is formed, and lifting blade rolls with screening
The angle β that cylinder inwall is formed is 45 ° -75 °.
The principle and beneficial effect of above-mentioned further scheme：Lifting blade is welded in screening drum inwall, screening rolling during operation
Material is transported, as screening drum rotates, raised by cylinder rotation, every group of material charge lattice that lifting blade is formed to cylinder top lift
The charge oblique grid degree that flitch is formed from screening drum bottom to top process constantly increases, when gradient is more than solid accumulation angle
When, material is trickled down to hammer rotor set from lifting blade charge lattice；The centripetal acceleration that screening drum rotating band comes need to be less than
Acceleration of gravity, it is easy to material to start to fall before reaching at the top of screening drum；Material is trickled down paramount from the charge lattice of lifting blade
Impacted after the rotor set of speed operating, impact crushing, the falling material for losing kinetic energy continues to be transported by lifting blade circularly enhancing, enters
Row crushes next time, and it is qualified that so multiple circulation is crushed to material；Because lifting blade is in guiding Spiral distribution, therefore lifting blade revolves
There is progressive effect when turning to material in the axial direction, material often lifts transport once, then to before screening drum discharging opening direction
Enter the distance of one group of charge lattice, lifting blade realizes improving material and conveys the double action of material.
Brief description of the drawings
Fig. 1 is that (this figure is only schematic diagram to fundamental diagram of the present utility model, is represented to be prominent, lifting blade does not represent
Go out to be oriented to Spiral distribution state)；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the schematic diagram that sieve aperture is distributed on screening drum；
Fig. 4 is the structural representation of tup；
Fig. 5 is Fig. 4 left view；
Fig. 6 is the schematic cross-section that lifting blade is arranged in screening drum；
Fig. 7 is the expanded view of lifting blade in screening drum in Fig. 6 (arrow is screening rolling axis direction in figure).
In figure mark for：1- bases, motors of the 2- with reductor, 3- main motors, 4- hammer rotor sets, 41- rotor blocks,
42- tups, 43- coarse crushing hammer rotor sets, 44- hammer rotor sets in small, broken bits, 5- charging apertures, 6- screening drums, 61- sieve apertures, 7- are thick
Broken cavity, 8- cavitys in small, broken bits, 9- discharging openings, 10- outer covers, 11- bearing pins, 12- support rollers, 13- lifting blades, 14- power transmission shafts, 15- are clear
Sweep device, 17- dividing plates, 18- charge lattice, the guide angle that α-lifting blade is formed with dividing plate, β-lifting blade and screening drum inwall shape
Into angle.
Embodiment
The utility model is described in further detail with reference to specific embodiment, but embodiment party of the present utility model
Formula not limited to this.
As Figure 1-Figure 5, paddle type mill dynamic circulation screening crusher of the present utility model, including base 1, charging aperture 5,
Discharging opening 9, screening drum 6 and hammer rotor set 4, hammer rotor set 4 are arranged in screening drum 6 and coaxial with screening drum 6.
Offer some strip sieve apertures 61 on described screening drum 6, the width of each sieve aperture 61 is 5-30mm, sieve aperture 61
Size and distributive law it is consistent with the material particular diameter distribution curve of technological requirement, some sizes can be formed after designing on roller
The sieve aperture to differ, as shown in Figure 3.The inwall of screening drum 6 is also welded with the lifting blade 13 for being oriented to Spiral distribution, lifting blade 13
For raising and conveying material, lifting blade 13 along screening drum axially by cut to dividing plate 17 be divided into some groups of charge lattice 18, raise
Flitch 13 and dividing plate shape 17 into guide angle α be 40 ° -80 °, the angle β that lifting blade is formed with screening drum inwall for 45 ° -
75 °, as shown in Figure 6 and Figure 7.The bottom of screening drum 6 is supported on base 1 by support roller 12, and support roller 12 is by with reductor
The driving of motor 2 rotates and drives screening drum body 6 to make low speed gyration.
The hammer rotor set 4 includes rotor block 41 and multiple tups 42 being arranged circumferentially on rotor block 41, tup 42
It is made up of cuboid and semi-circular structure, there is circular hole centre, and circular hole is articulated with rotor block 41 by bearing pin 11 and forms fine motion hammer
Head.Axial direction of the hammer rotor set 4 along screening drum 6 is divided into coarse crushing hammer rotor set 43 and hammer rotor set in small, broken bits
44, wherein coarse crushing hammer rotor set 43 is positioned close to the side of charging aperture 5, and hammer rotor set 44 in small, broken bits is arranged far from feeding
The side of mouth 5, the mass of tup 42 of the hammer rotor set 44 more in small, broken bits of tup 42 of coarse crushing hammer rotor set 43 is bigger, coarse crushing hammer
The tup 42 of rotor set 43 may be set to 600mm with the distance of the inwall of screening drum 6, form coarse crushing cavity 7 between the two, described
The tup 42 of hammer rotor set 44 in small, broken bits may be set to 300mm with the distance of the inwall of screening drum 6, form chamber in small, broken bits between the two
Body 8.The hammer rotor set 4 makees high speed rotary motion by main motor 3 by the driving of power transmission shaft 14（Angular velocity of rotation is more than screening
The angular speed that barrel 6 turns round）.
Described charging aperture 5 is arranged on the side of screening drum 6, and is connected with the inside of screening drum 6；The screening
The periphery of roller 6 is provided with outer cover 10, and discharging opening 9 is arranged on the bottom of the outer cover 10, and the oblique upper inside outer cover 10 is provided with
Sweeper 15, the cleaning head of sweeper 15 and the wall contacts of screening drum 6.
During disintegrating machine operation of the present utility model, after material enters, the screening drum 6 for making low speed gyration passes through lifting
Plate 13 raises material to certain altitude, and then material can waterfall drops down onto the tup 42 of rotation at a high speed from the top down under gravity
On be knocked, can be by impact crushing in the screening drum 6 by the material that tup 42 is hit, and it is broken material is produced mutually collision
Broken, afterwards, the material for losing kinetic energy can be pushed further into forward in the lifting blade 13 for being oriented to Spiral distribution again, then by again
Raise, waterfall falls, hits, so as to which the circulation for forming progressive crushes, a part of qualified material can be from each during broken
Angle is splashed through sieve aperture 61, is then stopped by outer cover 10, then is discharged along outer cover 10 from discharging opening 9, some
Qualified material then can be directly from the bottom of screening drum 6 sieve aperture 61 fall and discharged through discharging opening 9, therefore raised in shattering process
Flitch realizes improving material and conveys the double action of material, and material once, can also go out per elevated transport to screening drum
The distance of one group of charge lattice of material mouth direction advance.It should be noted, material first passes through coarse crushing hammer in coarse crushing cavity 7 and turned during shock
The coarse crushing of subgroup 43, after the conveying of lifting blade 13, enter back into small, broken bits by hammer rotor set 44 in small, broken bits in cavity 8 in small, broken bits, realization
Graded crushing, the balanced live load of coarse crushing and hammer rotor set in small, broken bits, the service life of tup can be extended, alleviate and set
Standby vibration, improve equipment reliability of operation；Furthermore tup 42 can rotating, therefore two-sided can use；Further, since work
Screening drum 6 is doing continuous rotary motion when making so that screening process is run in a dynamic state, so as to transported due to sieve aperture
It is dynamic, so being not easy the feed blocking to be splashed；Furthermore the rotational speed of screening drum 6 is adjusted, easily control material can also be gone out
Amount, revolution is faster, and material transporting velocity is accelerated, and output is bigger, otherwise output is smaller.
In addition, coarse crushing hammer rotor set and hammer rotor set in small, broken bits also can be replaced the hammer of progressive form in the utility model
The distance between formula rotor set, the i.e. tup of hammer rotor set and screening drum inwall close to charging aperture one by being laterally away from charging
Mouth side is in progressive diminution shape, and the quality of tup also gradually mitigates with the progressive direction.Due to its operation principle with it is above-mentioned
Scheme（Coarse crushing hammer rotor set and hammer rotor set in small, broken bits）It is similar, therefore this no longer enumerates specific structure chart again.The structure
In, material can be from coarse crushing gradually to increasingly thinner in small, broken bits step by step progressive after entering, the same balanced hammer rotor set of the structure
Live load, have and extend the beneficial effect such as tup service life.
Should be noted, because tup 42 has a fine motion, therefore between the tup and screening drum 6 involved by this paper away from
From the axis referred to when tup（Referring to Fig. 4）Distance when being overlapped with the radius of screening drum, reference can be made in Fig. 1 tup position
State.
Compared with prior art, tup and the distance between screening drum are larger, and material is mainly by tup impact, material
Mutual shock and with wall in screening drum body（Or lifting blade）Between shock and crush, substantially reduce tup with
The abrasion of screening drum.
Claims (10)
1. paddle type mill dynamic circulation screening crusher, including rotatable hammer rotor set（4）, charging aperture（5）And discharging opening
（9）, it is characterised in that：Also include rotatable screening drum（6）, screening drum（6）Inwall be fixed with for raising material
Lifting blade（13）, described hammer rotor set（4）In axial direction it is arranged in screening drum（6）Interior, described charging aperture（5）
With screening drum（6）Inside connection, described discharging opening（9）With screening drum（6）Outer wall connection.
2. paddle type mill dynamic circulation screening crusher according to claim 1, it is characterised in that：The hammer rotor set
（4）Including rotor block（41）Rotor block is arranged on multiple（41）On tup（42）, described tup（42）With screening drum
（6）The distance between inwall is 100-1500mm.
3. paddle type mill dynamic circulation screening crusher according to claim 2, it is characterised in that：Described tup（42）It is logical
Cross bearing pin（11）It is articulated with rotor block（41）On.
4. paddle type mill dynamic circulation screening crusher according to claim 1, it is characterised in that：The screening drum（6）
The angular speed of rotation is less than hammer rotor set（4）The angular speed of rotation.
5. paddle type mill dynamic circulation screening crusher according to claim 1, it is characterised in that：The screening drum（6）
On offer some strip sieve apertures（61）, each sieve aperture（61）Width range be 1-30mm.
6. paddle type mill dynamic circulation screening crusher according to claim 1, it is characterised in that：Also include being located at screening rolling
Cylinder（6）The outer cover of periphery（10）, described discharging opening（9）Positioned at outer cover（10）Bottom, the outer cover（10）It is internal it is oblique on
Side is provided with sweeper（15）, sweeper（15）Cleaning head and screening drum（6）Wall contacts.
7. the paddle type mill dynamic circulation screening crusher according to any one in claim 1-6, it is characterised in that：It is described
Hammer rotor set（4）Along screening drum（6）Axial direction be divided into coarse crushing hammer rotor set（43）With hammer rotor set in small, broken bits
（44）, wherein coarse crushing hammer rotor set（43）It is positioned close to charging aperture（5）Side, hammer rotor set in small, broken bits（44）It is arranged on
Away from charging aperture（5）Side；The coarse crushing hammer rotor set（43）With screening drum（6）The distance of inwall is more than hammer in small, broken bits
Rotor set（44）With screening drum（6）The distance of inwall.
8. paddle type mill dynamic circulation screening crusher according to claim 7, it is characterised in that：The coarse crushing hammer rotor
Group（43）Tup（42）Quality be more than hammer rotor set in small, broken bits（44）Tup（42）Quality；Coarse crushing hammer rotor set（43）'s
Tup（42）With screening drum（6）The distance of inwall is 600mm, hammer rotor set in small, broken bits（44）Tup（42）With screening drum
（6）The distance of inwall is 300mm.
9. the paddle type mill dynamic circulation screening crusher according to any one in claim 1-6, it is characterised in that：It is described
Hammer rotor set（4）With screening drum（6）The distance between inwall, by close to charging aperture（5）One is laterally away from charging aperture（5）One
Side is in progressive diminution shape.
10. the paddle type mill dynamic circulation screening crusher according to any one in claim 1-6, it is characterised in that：Institute
The lifting blade stated（13）In guiding Spiral distribution, lifting blade（13）Along screening drum（6）Axially by cut to dividing plate（17）It is divided into
Some groups of charge lattice（18）, lifting blade（13）With dividing plate（17）The guide angle α of formation is 40 ° -80 °, lifting blade（13）With screening
Roller（6）The angle β that inwall is formed is 45 ° -75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720184820.XU CN206631670U (en) | 2017-02-28 | 2017-02-28 | Paddle type mill dynamic circulation screening crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720184820.XU CN206631670U (en) | 2017-02-28 | 2017-02-28 | Paddle type mill dynamic circulation screening crusher |
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| Publication Number | Publication Date |
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| CN206631670U true CN206631670U (en) | 2017-11-14 |
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ID=60252646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720184820.XU Active CN206631670U (en) | 2017-02-28 | 2017-02-28 | Paddle type mill dynamic circulation screening crusher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983472A (en) * | 2017-12-05 | 2018-05-04 | 大唐环境产业集团股份有限公司 | A kind of paddle type mill divergent cyclical crusher |
| CN108499669A (en) * | 2017-02-28 | 2018-09-07 | 成都万基电力设备制造有限公司 | Paddle type mill dynamic circulation screening crusher |
| CN108543598A (en) * | 2018-06-19 | 2018-09-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Food refuse disposer |
| CN110124800A (en) * | 2019-06-28 | 2019-08-16 | 自贡市北斗水泥有限公司 | A kind of method of dry production lime stone Machine-made Sand |
| CN114367350A (en) * | 2022-01-14 | 2022-04-19 | 重庆交通职业学院 | Road slag is with broken separating centrifuge |
-
2017
- 2017-02-28 CN CN201720184820.XU patent/CN206631670U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499669A (en) * | 2017-02-28 | 2018-09-07 | 成都万基电力设备制造有限公司 | Paddle type mill dynamic circulation screening crusher |
| CN107983472A (en) * | 2017-12-05 | 2018-05-04 | 大唐环境产业集团股份有限公司 | A kind of paddle type mill divergent cyclical crusher |
| CN108543598A (en) * | 2018-06-19 | 2018-09-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Food refuse disposer |
| CN110124800A (en) * | 2019-06-28 | 2019-08-16 | 自贡市北斗水泥有限公司 | A kind of method of dry production lime stone Machine-made Sand |
| CN114367350A (en) * | 2022-01-14 | 2022-04-19 | 重庆交通职业学院 | Road slag is with broken separating centrifuge |
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