NO820828L - CRUSHING DRUMPERS FOR MIGHTY MATERIAL, LIKE COALS. - Google Patents
CRUSHING DRUMPERS FOR MIGHTY MATERIAL, LIKE COALS.Info
- Publication number
- NO820828L NO820828L NO820828A NO820828A NO820828L NO 820828 L NO820828 L NO 820828L NO 820828 A NO820828 A NO 820828A NO 820828 A NO820828 A NO 820828A NO 820828 L NO820828 L NO 820828L
- Authority
- NO
- Norway
- Prior art keywords
- rollers
- teeth
- roller
- crushing
- crusher
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 8
- 239000007779 soft material Substances 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Crushing And Pulverization Processes (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Disintegrating Or Milling (AREA)
Description
Den foreliggende oppfinnelse vedrører parvis anordnete valser for knusing av relativt mykt materiale, f.eks. kull, hvor valseflåtene er utstyrt med ringformet pålagte tannkranser og roterer med forskjellig periferihastighet i motsatte retninger, idet spalten mellom valsene danner knuseråpningen. The present invention relates to rollers arranged in pairs for crushing relatively soft material, e.g. coal, where the roller fleets are equipped with ring-shaped superimposed tooth rings and rotate at different peripheral speeds in opposite directions, the gap between the rollers forming the crusher opening.
Parvis anordnete valser av denne type er tidligere kjent fra DE-off.skrift 27 02 177. Dette valsepar av kjent type har den ulempe, at de perifere avstander mellom valsetennene må Rollers arranged in pairs of this type are previously known from DE-off.skrift 27 02 177. This pair of rollers of a known type has the disadvantage that the peripheral distances between the roller teeth must
være tilstrekkelig store, slik at tennene på den overforlig-gende valse kan opptas i mellomrommene, og av denne grunn er tannantallet lite. Jo større forskjellen er mellom valsenes periferihastigheter desto større må tennenes periferiavstand være. Valsenes periferihastigheter må dessuten være innbyrdes synkronisert, for at valsetennene ikke skal kollidere med hverandre . be sufficiently large, so that the teeth of the overlying roller can be accommodated in the spaces, and for this reason the number of teeth is small. The greater the difference between the peripheral speeds of the rollers, the greater the peripheral distance of the teeth must be. The peripheral speeds of the rollers must also be mutually synchronized, so that the roller teeth do not collide with each other.
Formålet med den foreliggende oppfinnelse er å avhjelpe de ovennevnte mangler. Knusevalseparet ifølge oppfinnelsen kjennetegnes ved at enkeltvalsenes tenner er anordnet i inngrep med hverandre. The purpose of the present invention is to remedy the above-mentioned deficiencies. The crushing roller pair according to the invention is characterized by the fact that the teeth of the individual rollers are arranged in engagement with each other.
I overensstemmelse med oppfinnelsen kan valsenes omkretsflater være tett besatt med knusetenner. Som følge av at tennene befinner seg i inngrep med hverandre, vil det utøves en kom-binert trykk- og skyvevirkning på de kullpartikler som skal knuses. Skyvekraften forsterkes grunnet den i og for seg kjente forskjell i valseperiferihastighet. Tennene på den ene knuservalse føres forbi tennene på den annen knuservalse, hvorved kullet sønderdeles ved skyvevirkning. Det er konstatert at kullet knuses på fordelaktig måte utelukkende ved skyvevirkning. Det har derved lykkes å knuse kull ved lavt energiforbruk. In accordance with the invention, the circumferential surfaces of the rollers can be densely studded with crushing teeth. As a result of the teeth being in engagement with each other, a combined pressure and thrust effect will be exerted on the coal particles to be crushed. The thrust force is enhanced due to the per se known difference in roller peripheral speed. The teeth on one crushing roller are guided past the teeth on the other crushing roller, whereby the coal is broken up by pushing action. It has been established that the coal is advantageously crushed exclusively by thrust. It has thereby succeeded in crushing coal with low energy consumption.
En fordelaktig utførelsesform av oppfinnelsen kjennetegnes ved at baksiden av tennene på valsen med den største rotasjons- An advantageous embodiment of the invention is characterized by the fact that the rear of the teeth on the roller with the greatest rotational
hastighet er avfaset. Kullstykker som havner mellom tennenespeed is phased. Pieces of coal that end up between the teeth
vil derved lettere kunne løsne uten å fastklemmes.will thereby be able to loosen more easily without being pinched.
Oppfinnelsen vil bli nærmere beskrevet i det etterfølgende under henvisning til den medfølgende tegning, hvori: The invention will be described in more detail below with reference to the accompanying drawing, in which:
Fig. 1 viser et enderiss av et knuservalsepar.Fig. 1 shows an end view of a pair of crusher rollers.
Fig. 2 viser et fremre sideriss av knuservalseparetFig. 2 shows a front side view of the crusher roller pair
ifølge fig. 1.according to fig. 1.
Omkretsflåtene av valsene i og 2 er utstyrt med ring-The peripheral rafts of the rollers i and 2 are equipped with ring-
formet pålagte tannkranser 3 og 4. Valsene 1 og 2 roterer i hver sin retning med innbyrdes forskjellige periferihastigheter. Den minste av valsene roterer ifølge figuren i urviserretningen, mens den største roterer med større periferihastighet mot urviserretningen. Knuseråpningen dannes av mellomrommet mellom valsene 1 og 2. De enkelte valsers 1 og 2 tannkranser 3 og 4 er slik plassert i forhold til hverandre, at de bringes i innbyrdes inngrep, som vist i fig. 2. Baksiden av tennene 5 shaped superimposed tooth rings 3 and 4. The rollers 1 and 2 rotate in separate directions with mutually different peripheral speeds. According to the figure, the smallest of the rollers rotates in the clockwise direction, while the largest rotates with a greater peripheral speed in the anti-clockwise direction. The crusher opening is formed by the space between the rollers 1 and 2. The tooth rings 3 and 4 of the individual rollers 1 and 2 are placed in relation to each other in such a way that they are brought into mutual engagement, as shown in fig. 2. The back of the teeth 5
på den valse 2 som roterer med størst periferihastighet er avfaset, slik at kullstykkene som havner mellom tennene, lettere kan løsne. Grunnet det store antall tenner på valsenes 1 og 2 omkretsflater, er valsene rikelig utstyrt med skjærekanter. on the roller 2 which rotates with the greatest peripheral speed is chamfered, so that the pieces of coal that end up between the teeth can come loose more easily. Due to the large number of teeth on the circumferential surfaces of the rollers 1 and 2, the rollers are abundantly equipped with cutting edges.
Den største knuservalsen 2 har større periferihastighet ennThe largest crusher roller 2 has a greater peripheral speed than
den minste valsen. Da den minste knuservalsen er utstyrt med tenner av rektangulær form, sett fra siden, vil også tennenes bakside danne en skjærekant. Mellomrommet som avgrenses av valsene 1 og 2, omfatter et større antall skjæretenner og the smallest roller. As the smallest crushing roller is equipped with teeth of a rectangular shape, seen from the side, the back side of the teeth will also form a cutting edge. The space delimited by rollers 1 and 2 includes a larger number of cutting teeth and
v v
-kanter enn véd tidligere kjente anordninger av liknende type.-edges than previously known devices of a similar type.
Det vil være åpenbart for den fagkyndige, at de forskjellige utførelsesformer av oppfinnelsen kan varieres innenfor rammen av de etterfølgende krav. It will be obvious to the person skilled in the art that the different embodiments of the invention can be varied within the scope of the following claims.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI810785A FI810785L (en) | 1981-03-13 | 1981-03-13 | KROSSTRUMPAR FOER MJUKAKTIGT MATERIAL SAOSOM KOL |
Publications (1)
Publication Number | Publication Date |
---|---|
NO820828L true NO820828L (en) | 1982-09-14 |
Family
ID=8514224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO820828A NO820828L (en) | 1981-03-13 | 1982-03-12 | CRUSHING DRUMPERS FOR MIGHTY MATERIAL, LIKE COALS. |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS57201545A (en) |
AU (1) | AU8175382A (en) |
BR (1) | BR8201397A (en) |
DE (1) | DE3208938A1 (en) |
DK (1) | DK112782A (en) |
ES (1) | ES8301667A1 (en) |
FI (1) | FI810785L (en) |
FR (1) | FR2509193A1 (en) |
GB (1) | GB2094663A (en) |
IT (1) | IT1148515B (en) |
NL (1) | NL8201074A (en) |
NO (1) | NO820828L (en) |
SE (1) | SE8201578L (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59150531U (en) * | 1983-03-24 | 1984-10-08 | 吉川工業株式会社 | Roll crusher |
JPS62162651U (en) * | 1986-04-03 | 1987-10-16 | ||
FR2690359B1 (en) * | 1992-04-27 | 1997-07-11 | Martin Carmen Ets | DEVICE FOR GRINDING AND CALIBRATION OF STONES AND ROCKS OF ALL TYPES, SUITABLE FOR INSTALLATION ON MOBILE AGRICULTURAL TYPE GRINDERS, AND FIXED FOR QUARRIES AND PUBLIC WORKS. |
DE10028191A1 (en) * | 2000-06-09 | 2001-12-13 | Amb Anlagen Maschinen Bau Gmbh | Refuse crusher of tooled camshafts straddling gap rotates first shaft tools faster than second shaft tools all designed as hooked fins curving in opposed rotation senses so tools mesh in respective shaft tool-free space. |
KR20030018803A (en) * | 2001-08-31 | 2003-03-06 | 최진호 | A trituration device for trash material |
CN104014392A (en) * | 2014-06-09 | 2014-09-03 | 盛金平 | Arc-shaped toothed plate with large and small teeth on toothed roll crusher |
CN105032539A (en) * | 2015-07-13 | 2015-11-11 | 济南大学 | Building waste crushing device |
RU2610644C1 (en) * | 2015-08-11 | 2017-02-14 | Антон Александрович Одинцов | Method of preparation of coke fines for agglomeration |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE182533C (en) * | ||||
GB144726A (en) * | 1917-02-15 | 1921-08-11 | Joseph Elliott Kennedy | Improvements in crushing roll machines |
GB179090A (en) * | 1921-06-24 | 1922-05-04 | Archibald Granville Sims | Improvements in or relating to machines for cutting or crushing coke and other substances |
GB265115A (en) * | 1926-12-04 | 1927-02-03 | Herbert Arthur Pertwee | Improvements in cutters for use in machines for cutting or breaking coke and like fuels |
GB657644A (en) * | 1949-01-14 | 1951-09-26 | Robert Cuthbertson Carter | Improvements in or relating to apparatus for separating and/or extracting stalks and the like from vegetable tissues |
GB745176A (en) * | 1953-07-17 | 1956-02-22 | Power Jets Res & Dev Ltd | Improvements in or relating to machines for treating wet or sticky materials |
-
1981
- 1981-03-13 FI FI810785A patent/FI810785L/en not_active Application Discontinuation
-
1982
- 1982-03-11 GB GB8207082A patent/GB2094663A/en not_active Withdrawn
- 1982-03-12 NO NO820828A patent/NO820828L/en unknown
- 1982-03-12 JP JP57038227A patent/JPS57201545A/en active Pending
- 1982-03-12 SE SE8201578A patent/SE8201578L/en unknown
- 1982-03-12 DE DE19823208938 patent/DE3208938A1/en not_active Withdrawn
- 1982-03-13 ES ES510406A patent/ES8301667A1/en not_active Expired
- 1982-03-15 BR BR8201397A patent/BR8201397A/en unknown
- 1982-03-15 IT IT47998/82A patent/IT1148515B/en active
- 1982-03-15 DK DK112782A patent/DK112782A/en not_active Application Discontinuation
- 1982-03-15 FR FR8204339A patent/FR2509193A1/en active Pending
- 1982-03-15 AU AU81753/82A patent/AU8175382A/en not_active Abandoned
- 1982-03-15 NL NL8201074A patent/NL8201074A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU8175382A (en) | 1982-09-16 |
FI810785L (en) | 1982-09-14 |
DK112782A (en) | 1982-09-14 |
FR2509193A1 (en) | 1983-01-14 |
ES510406A0 (en) | 1983-02-01 |
IT8247998A0 (en) | 1982-03-15 |
NL8201074A (en) | 1982-10-01 |
ES8301667A1 (en) | 1983-02-01 |
IT1148515B (en) | 1986-12-03 |
BR8201397A (en) | 1983-02-01 |
JPS57201545A (en) | 1982-12-10 |
DE3208938A1 (en) | 1982-11-11 |
SE8201578L (en) | 1982-09-14 |
GB2094663A (en) | 1982-09-22 |
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