CN104056691B - Vertical roll grinder - Google Patents

Vertical roll grinder Download PDF

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Publication number
CN104056691B
CN104056691B CN201310091797.6A CN201310091797A CN104056691B CN 104056691 B CN104056691 B CN 104056691B CN 201310091797 A CN201310091797 A CN 201310091797A CN 104056691 B CN104056691 B CN 104056691B
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CN
China
Prior art keywords
turntable
collection box
vertical roll
roll grinder
inclined plane
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Application number
CN201310091797.6A
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Chinese (zh)
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CN104056691A (en
Inventor
时冈信雄
安藤文典
远藤晃
玲江文平
堀田滋
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Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo KK
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Priority to CN201310091797.6A priority Critical patent/CN104056691B/en
Publication of CN104056691A publication Critical patent/CN104056691A/en
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Abstract

Even if present invention offer is a kind of will not also to be damaged the reliability of grinder in the case where making grinder maximize and can suppress the increased vertical roll grinder of manufacturing cost.The vertical roll grinder (1) includes:Turntable (2), pulverized thing are supplied to its upper surface;Pulverization roller (3), bite pulverized thing between turntable (2) at it and crushed;And collection box (21), reclaim the rotation of accompanying rotation platform (2) and be emitted into the pulverized thing around turntable (2).The bottom surface of collection box (21) is formed by multiple inclined planes (22), and the inclined plane (22) is with the angle tilt bigger than the angle of repose for the pulverized thing being recycled in collection box (21).

Description

Vertical roll grinder
Technical field
Pulverized thing is bitten to the vertical rolls crushed between multiple pulverization rollers and turntable the present invention relates to a kind of Grinding machine.
Background technology
In the past, it is to be used for pulverized thing to be bitten to the vertical roll grinder crushed between multiple pulverization rollers and turntable Manufacture (patent documents 1) such as cement aggregates.
In existing vertical roll grinder, the big footpath raw material (pulverized thing) through crushing is between pulverization roller and turntable It is emitted into the presence of centrifugal force caused by rotation in accompanying rotation platform around turntable.
The big footpath raw material given off from turntable falls to the recovery of the raw materials recovery set along the outside of turntable In case.The bottom surface of existing collection box is formed by the horizontal plane of ring-type, and the big footpath raw material fallen is accumulated in the level of collection box On bottom surface.
Set in the inside of collection box for collecting the scraper of raw material, scraper installation is on a spinstand and and erecting bed Integratedly rotate.
Formed on the bottom surface of collection box for discharging the outlet of raw material from collection box.With rotating together with turntable Scraper collects raw material when movement on the bottom surface in collection box, and raw material is fallen into outlet.
Collected by scraper and removed from the raw material of outlet discharge by conveyers such as bucket elevators (bucket elevator) Send, and be back on turntable and be crushed again.
[background technology document]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2001-340779 publications
The content of the invention
[problems to be solved by the invention]
In recent years, in order to lift the disposal ability of vertical roll grinder, the maximization of device continues to develop.
But if the turntable maximization of vertical roll grinder, its peripheral speed become big, the translational speed of scraper also with Change it is big.Therefore, when scraper is moving on the bottom surface of collection box, the abrasion or punching of scraper are caused because of contact with raw material It is strong to hit power.
Therefore, in order to prevent the reliability of grinder from reducing, it is necessary to further reinforcing abrasion countermeasure or punching compared with the past Countermeasure is hit, so as to there is the problem of causing manufacturing cost increase.
The present invention be in view of the problem of the prior art and complete, even if its object is to provide a kind of make grinding Machine will not also damage the reliability of grinder in the case of maximizing and can suppress the increased vertical roll grinder of manufacturing cost.
[technological means for solving problem]
In order to solve the problem, vertical roll grinder of the invention is characterised by including:Turntable, pulverized thing are supplied To its upper surface;Pulverization roller, the pulverized thing is bitten between the turntable at it and is crushed;And collection box, return Receive the rotation with the turntable and be emitted into the pulverized thing around the turntable;And the bottom of the collection box Face is formed by multiple inclined planes, and the inclined plane is big with the angle of repose than the pulverized thing being recycled in the collection box Angle tilt.
Further it is preferred that further comprising outlet, the outlet is formed including described in the multiple inclined plane The recess of bottom surface.
Further it is preferred that the pulverization roller configuration is in the convex portion pair with the bottom surface including the multiple inclined plane The position answered.
Further it is preferred that the vertical roll grinder includes multiple discharge grooves (discharge chute), it is arranged on more The lower section of the individual outlet;And conveyer, for transporting the pulverized thing from the discharge of the multiple discharge groove;It is and described The pulverized thing is expelled to the common conveyer by least two discharge groove in multiple discharge grooves.
Further it is preferred that the vertical roll grinder further comprises:Reductor, it is described for transferring a driving force to Turntable;And connection shaft, including be connected with the upper end of the central part link of the lower surface of the turntable and with the reductor Lower end.
Further it is preferred that the vertical roll grinder further comprises maintenance, the maintenance is to supply the deceleration Machine by and pull out, and the maintenance is provided in the lower section of linking part, and the linking part will be arranged on the 2 of maintenance both sides The upper end in individual stand portion is connected to each other.
[The effect of invention]
It is big with the angle of repose than the pulverized thing being recycled in collection box due to utilizing according to the vertical roll grinder of the present invention Multiple inclined planes of angle tilt form the bottom surface of collection box, so need not be used for reclaiming the scraper of pulverized thing, even if In the case where making grinder maximize, the reliability of grinder will not be also damaged, and manufacturing cost increase can be suppressed.
Brief description of the drawings
Fig. 1 is the longitudinal section of the outline for the vertical roll grinder for representing one embodiment of the present invention.
Fig. 2 is the sectional view along Fig. 1 II-II lines.
Fig. 3 is the sectional view along Fig. 1 III-III lines.
Fig. 4 is the sectional view along Fig. 2 IV-IV lines.
Fig. 5 is the sectional view along Fig. 2 V-V lines.
[explanation of symbol]
1 vertical roll grinder
2 turntables
3 pulverization rollers
4 roller dipper crowding gears
5 the 1st arms
6 the 2nd arms
7 push drive division
8 push the drive shaft of drive division
9 grinder setting faces
10 rotary driving sources
11 reductors
12 horizontal connection shafts
13 are vertically connected to axle
14 grinder outer covers
15 raw material feed troughs
16 warm-air pipes
17 separators
18 fine powder discharge pipes
19 maintenances
20 seat parts
20A stands portion
20B linking parts
21 collection boxes
22 inclined planes
23 convex portions
24 recesses
25 outlets
26 discharge grooves
27 conveyers
28 separator driving means
Embodiment
Hereinafter, the vertical roll grinder of one embodiment of the present invention is illustrated referring to figs. 1 to Fig. 5.
As shown in Figures 1 and 2, the vertical roll grinder 1 of present embodiment is supplied to thereon including raw material (pulverized thing) The turntable 2 on surface.6 pulverization rollers 3 are set around turntable 2, and these pulverization rollers 3 bite at it between turntable 2 Pulverized thing is crushed.6 pulverization rollers 3 be on the imaginary circumference centered on the axis of rotation of turntable 2 equiangularly Interval configures (every 60 °).
Pulverization roller 3 is urged on turntable 2 using roller dipper crowding gear 4.Roller dipper crowding gear 4 is included in leading section and set 1st arm 5 of pulverization roller 3 and the 2nd arm 6 with the leading section being connected with the base end part of the 1st arm 5.In the base end part of the 2nd arm 6 It is connected to push the leading section of the drive shaft (such as straight pin (Cylinder pin)) 8 of drive division (such as oil hydraulic cylinder) 7.
In roller dipper crowding gear 4, the drive shaft 8 of drive division 7 is pushed by pulling in, and via the 1st arm 5 and the 2nd arm 6, will Pulverization roller 3 is urged to turntable 2.
As shown in Figures 1 and 3, the rotary driving source 10 and reductor 11 of turntable 2 are set in grinder setting face 9, Rotary driving source 10 is linked with reductor 11 by horizontal connection shaft 12.Moreover, reductor 11 and turntable 2 are by being vertically connected to axle 13 Link.
That is, reductor 11 does not link directly each other with turntable 2, but links via axle 13 is vertically connected to, and this is vertical Connection shaft 13 includes and the lower surface central part upper end linked of turntable 2 and the lower end being connected with reductor 11.
Turntable 2 and pulverization roller 3 are covered by grinder outer cover 14.Be to the supply of the raw material (pulverized thing) of turntable 2 through Carried out by the raw material feed trough 15 configured through grinder outer cover 14.
Warm-air pipe 16 is connected in the side lower of grinder outer cover 14, via the warm-air pipe 16 by warm-air supply to grinding The inside of grinding machine outer cover 14.In the top of turntable 2, separator 17 is set.Raw material through crushing is supplied via warm-air pipe 16 Blown afloat to the hot blast to the bottom of grinder outer cover 14, and be transferred to separator 17.
Separator 17 by the separator driving means 28 including motor etc. rotation driving, and only by the original through crushing Fine powder discharge pipe 18 of the thin raw material (fine powder) of ratio specified particle size (particle diameter) in material from the top for being arranged on grinder outer cover 14 Discharge.On the other hand, the separated device 17 of the raw material (coarse powder) thick compared with specified particle size (particle diameter) separates and is back to turntable 2, then It is secondary pulverized.
In the maintenance 19 formed below of grinder outer cover 14, the maintenance 19 is used for crushing for reductor 11 The lower section of roller 3 and its dipper crowding gear 4 is by pulling out.More particularly, the grade of support roller dipper crowding gear 4 cement bearing Portion 20, it is formed there through maintenance 19.
That is, the seat part 20 of cement includes:2 stand portion 20A, maintenance 19 is clipped in the middle and is arranged on maintenance The both sides of path;And linking part 20B, this 2 stand portion 20A upper end is connected to each other, and form the top plate of maintenance 19 Part.According to this composition, even if the quantity of pulverization roller 3 and its dipper crowding gear 4 increases, maintenance is also ensured that.
In addition, the vertical roll grinder 1 of present embodiment includes collection box 21, the collection box 21 is used for reclaiming in accompanying rotation The raw material being emitted into the presence of centrifugal force caused by the rotation of platform 2 around turntable 2.Collection box 21 has than turntable 2 Big diameter, and it is integrally formed into ring-type.
As shown in Figures 4 and 5, the bottom surface of collection box 21 is formed by multiple inclined planes 22.Each inclined plane 22 is with than being recycled to The big angle tilt of the angle of repose of raw material in collection box 21.So, due to formed collection box 21 bottom surface each inclined plane 22 With the big angle tilt of the angle of repose than raw material, so the raw material being recycled in collection box 21 will not be on the bottom surface of collection box 21 It is detained.
In this example, the inclined plane 22 in 12 faces is along the circumferential direction arranged side by side in a manner of alternately inclined in opposite directions, and will Their upper end is each other and bottom is connected to each other.That is, convex portion 23 is formed by 2 upper ends of adjacent inclined plane 22, and Recess 24 is formed by 2 bottoms of adjacent inclined plane 22.
Each pulverization roller 3 is configured with forming 6 convex portions, the 23 corresponding position on the bottom surface of collection box 21.By with this Mode configures pulverization roller 3, and using the space formed below convex portion 23, pulverization roller 3 and its dipper crowding gear 4 are arranged to tightly Gather.
As shown in Fig. 26 recesses 24 on the bottom surface of collection box 21 is formed at, are formed for discharging raw material respectively Outlet 25.As shown in Figures 4 and 5, the upper end of discharge groove 26 is connected to multiple outlets 25.
Each discharge groove 26 is with than supplying to the big angle tilt of the angle of repose of its internal raw material.Like this, due to that will arrange The inclination angle of hopper 26 is set to the angle bigger than the angle of repose of raw material, so supply to the raw material in discharge groove 26 will not be in discharge It is detained in groove 26.In addition, the sectional area of each discharge groove 26 is set to the size mutually fitted with the amount of flow of raw material.
As depicted in figs. 3 and 5,2 conveyers 27 are configured on grinder ground plane 9, the original discharged from discharge groove 26 Material stowage is on conveyer 27.Raw material is expelled to 1 conveyer 27 from 3 adjacent discharge grooves 26.Conveyer 27 for example wraps Include ribbon conveyer.
The raw material being storaged on conveyer 27 is transported to grinder by conveyer 27, further by bucket elevator etc. Transport and be back on turntable 2 and be crushed again.
In the vertical roll grinder 1 including the composition, the effect of centrifugal force caused by the rotation in accompanying rotation platform 2 Under the big footpath raw material that is emitted into around turntable 2 be recovered in collection box 21, it is and sliding in the inclined plane 22 of collection box 21 Discharged from outlet 25 down.
Therefore, shouldn't be needed for existing vertical roll grinder, the rotary drag of installation on a spinstand.Thus, Can maintain the high reliability of grinder, and due to should implement Wear Countermeasures or impact the position of countermeasure be only as discharge groove 26 or Static part as collection box 21, so cost of manufacture can be reduced.
Moreover, by being not provided with scraper, and mitigate the load to turntable 2.Thus, electricity during grinder operating can be cut down Power consumes.
In addition, in the vertical roll grinder 1 of present embodiment, due to turntable 2 being separated with reductor 11, and utilize and hang down Straight connection shaft 13 links both, so turntable 2 can configured into relatively high position relative to grinder ground plane 9.Cause This, can substantially ensure that in order that the inclined bottom surface of collection box 21 and the installation space of required short transverse.
It is smaller to be additionally, since the size for the reductor 11 that can make to separate with turntable 2, so can be around reductor 11 Ensure the installation space of other machines.In the present embodiment, using the installation space, 2 conveyers 27 are arranged on and subtracted The setting level height identical level height (grinder setting face) of fast machine 11.

Claims (6)

1. a kind of vertical roll grinder, including:
Turntable, pulverized thing are supplied to its upper surface;
Pulverization roller, the pulverized thing is bitten between the turntable at it and is crushed;And
Collection box, reclaim the rotation with the turntable and be emitted into the pulverized thing around the turntable;And
The collection box is integrally formed into ring-type, and the whole circumference of the bottom surface of the collection box along the collection box is by multiple inclinations Face is formed, and the inclined plane is with the angle tilt bigger than the angle of repose for the pulverized thing being recycled in the collection box;
The multiple inclined plane is along the circumferential direction arranged in a manner of alternately inclined in opposite directions, by adjacent inclined plane 2 upper ends form convex portion, and recess is formed by 2 bottoms of adjacent inclined plane, and along the bottom surface of the collection box Circumferencial direction forms multiple convex portions and multiple recesses.
2. vertical roll grinder according to claim 1, further comprises outlet, the outlet is formed including described more The recess of the bottom surface of individual inclined plane.
3. vertical roll grinder according to claim 1 or 2, wherein pulverization roller configuration with including the multiple inclination Position corresponding to the convex portion of the bottom surface in face.
4. vertical roll grinder according to claim 2, further comprises:
Multiple discharge grooves, it is arranged on the lower section of multiple outlets;And
Conveyer, for transporting the pulverized thing from the discharge of the multiple discharge groove;And
At least two discharge groove in the multiple discharge groove is so that the pulverized thing to be expelled to the side of the common conveyer Formula is formed.
5. vertical roll grinder according to claim 1 or 2, further comprises:
Reductor, for transferring a driving force to the turntable;And
Connection shaft, including be connected down with the upper end of the central part link of the lower surface of the turntable and with the reductor End.
6. vertical roll grinder according to claim 5, further comprises maintenance, the maintenance is to supply the deceleration Machine by and pull out, the maintenance is provided in the lower section of linking part, and the linking part will be arranged on 2 of maintenance both sides The upper end in stand portion is connected to each other.
CN201310091797.6A 2013-03-21 2013-03-21 Vertical roll grinder Active CN104056691B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310091797.6A CN104056691B (en) 2013-03-21 2013-03-21 Vertical roll grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310091797.6A CN104056691B (en) 2013-03-21 2013-03-21 Vertical roll grinder

Publications (2)

Publication Number Publication Date
CN104056691A CN104056691A (en) 2014-09-24
CN104056691B true CN104056691B (en) 2018-01-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6678061B2 (en) * 2016-04-25 2020-04-08 川崎重工業株式会社 Vertical roller mill

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198548U (en) * 1984-12-04 1986-06-24
CN85102297A (en) * 1985-04-01 1986-10-22 匡文彦 Produce the method and apparatus of shaft kiln cement with the siccative ball of compacting
PT842702E (en) * 1996-11-15 2001-04-30 Joseph E Doumet METHOD AND CYLINDER MILL FOR DRYING AND GRINDING OF HUMIDITY MATERIALS
CN2485039Y (en) * 2001-05-19 2002-04-10 曾民生 Float mill
CN2870986Y (en) * 2006-02-10 2007-02-21 杨建勋 Residual slag discharger of mill
CN100588462C (en) * 2008-06-20 2010-02-10 张桂才 Internal screening roller type vertical mill
US8308093B2 (en) * 2010-01-11 2012-11-13 Wark Rickey E Coal pulverizer/classifier deflector
CN202070371U (en) * 2011-02-18 2011-12-14 吉维 Pulverizer
CN202037027U (en) * 2011-04-08 2011-11-16 葛洲坝集团第五工程有限公司 Vertical shaft impact crusher with anti-blocking device
CN203196692U (en) * 2013-03-21 2013-09-18 川崎重工业株式会社 Vertical roll mill

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