WO2013069293A1 - 竪型ローラミル - Google Patents

竪型ローラミル Download PDF

Info

Publication number
WO2013069293A1
WO2013069293A1 PCT/JP2012/007187 JP2012007187W WO2013069293A1 WO 2013069293 A1 WO2013069293 A1 WO 2013069293A1 JP 2012007187 W JP2012007187 W JP 2012007187W WO 2013069293 A1 WO2013069293 A1 WO 2013069293A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller mill
vertical roller
speed reducer
stand
rotary table
Prior art date
Application number
PCT/JP2012/007187
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
信雄 時岡
文典 安藤
遠藤　晃
堀田　滋
文平 鈴江
Original Assignee
川崎重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48289510&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013069293(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 川崎重工業株式会社 filed Critical 川崎重工業株式会社
Priority to JP2013542855A priority Critical patent/JP5809708B2/ja
Priority to CN201280052955.0A priority patent/CN103889579B/zh
Priority to IN3273CHN2014 priority patent/IN2014CN03273A/en
Priority to EP12847541.5A priority patent/EP2777814B1/de
Publication of WO2013069293A1 publication Critical patent/WO2013069293A1/ja

Links

Images

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
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007—Mills with rollers pressed against a rotary horizontal disc

Definitions

  • the present invention includes a rotary table that pulverizes a material to be pulverized between a plurality of pulverizing rollers disposed substantially along the circumferential direction with the speed reducer as a center, and the rotary table includes:
  • the present invention relates to a vertical roller mill that is rotationally driven by a rotational drive unit connected via a speed reducer.
  • each locking lever is supported by the locking lever shaft so as to be rotatable about the locking lever shaft.
  • Each locking lever shaft is provided on each of a plurality of support columns via a support block, and the plurality of support columns are arranged in a substantially circumferential direction so as to surround the grinding table from the outside.
  • Each of the plurality of rocking lever shafts is shifted to the inside in the direction in which the planar shape approaches the outer peripheral edge of the annular pulverizing table with reference to each of the support columns arranged along the substantially circumferential direction. Is arranged. That is, the plurality of support columns are arranged at positions shifted outward so as to move away from the pulverization table with reference to each locking lever shaft.
  • a suspension is provided for each support, and each suspension is installed on an installation surface on which a gear device is installed via the support. This suspension is also in the way of pulling out the gear device.
  • the number of grinding rollers, locking levers, locking lever shafts, columns and suspensions is increased in order to increase the grinding ability. Then, in order to easily pull out the gear device, the interval between the columns (suspensions) provided with the respective grinding rollers is widened, and the plurality of columns (suspensions) are moved away from the grinding table with respect to each locking lever shaft. It is arranged at a position shifted outward.
  • the present invention has been made to solve the above-described problems, has a large crushing ability, and draws the reduction gear outward through a predetermined passage to facilitate maintenance of the reduction gear.
  • the object of the present invention is to provide a vertical roller mill that can be made compact as a whole.
  • the vertical roller mill includes a rotary table that pulverizes an object to be pulverized between a plurality of pulverizing rollers, and the rotary table is connected to a rotary drive unit connected via a speed reducer.
  • a plurality of pressing drive portions that are provided for each of the plurality of pulverizing rollers and that press the pulverizing roller against the rotary table, and are provided so as to surround the speed reducer from the outside.
  • An arm support that supports each of the plurality of crushing rollers at an upper position of the speed reducer via an arm, a stand leg that supports the plurality of arm support, and the speed reducer that is connected to the crushing roller.
  • a passage for drawing out from the vertical roller mill at least two of the two provided on both sides of the passage Upper leg portion of the stand leg portion are integrally formed, it is characterized in that said passage below the upper leg portion.
  • the rotational power of the rotational drive unit is transmitted to the rotary table via the speed reducer, and the rotary table can be rotated in a predetermined direction.
  • a plurality of crushing rollers rotate.
  • Each of the plurality of pressing drive units can press the crushing roller provided corresponding to each of the pressing driving units to the rotary table, so that the object to be crushed can have a desired pressing force between the crushing roller and the rotary table. And can be pulverized.
  • the arm support portion is provided so as to surround the speed reducer from the outside, the plurality of pulverizing rollers and the plurality of arms supported by the arm support portion are substantially circumferentially centered on the speed reducer. Can be arranged along.
  • the strength of the upper legs for supporting the arm support can be improved. As a result, it is not necessary to provide a lower leg part for supporting the arm support part via the upper leg part at a position directly below the arm support part, and thus a space for providing a passage under the upper leg part is secured. can do. Then, the speed reducer can be passed from the path below the grinding roller and pulled out from the vertical roller mill.
  • the pressing drive unit for pressing the crushing roller against the rotary table is installed on an installation surface on which the speed reducer is installed, and the stand leg unit includes the pressing drive unit. And an arrangement space in which a power transmission unit for transmitting the power of the pressing drive unit to the crushing roller is arranged, or an arrangement space in which the power transmission unit is arranged is formed. Good.
  • both the pressing drive unit and the power transmission unit, or the power transmission unit can be arranged in this arrangement space.
  • the pressing drive unit when the pressing drive unit is installed on the installation surface where the speed reducer is installed in this way, the pressing drive unit can be installed at a low position, thereby making it troublesome to perform installation and maintenance of the pressing drive unit. Cost and time can be reduced.
  • the upper leg portions that support all the plurality of the arm support portions are integrally formed, and all the plurality of the press drive portions are installed on which the speed reducer is installed. It is good to be installed in.
  • the strength of the entire upper legs can be improved. Therefore, it is possible to provide a compact vertical roller mill having a large pulverizing ability for the object to be crushed.
  • the integrally formed upper leg portion may support at least one arm support portion above the passage.
  • the integrally formed upper leg portion supports at least one arm support portion above the passage, the speed reducer is pulled out through the passage so as to pass through the arm support portion. Therefore, even if the number of crushing rollers increases and the interval between the crushing rollers adjacent to each other becomes narrow, the ease of maintenance of the speed reducer can be ensured while maintaining the compactness of the entire vertical roller mill.
  • an output portion of the speed reducer is connected to the rotary table via a connecting shaft, and the rotary table is rotatably supported on a table support frame via a thrust bearing. It is good to have it.
  • the upper surface of the rotary table can be arranged at a position in contact with the grinding roller that is pressed and driven by the pressing drive part. it can.
  • the object to be crushed can be pulverized between the pulverizing roller and the rotary table provided above the speed reducer.
  • the rotary table receives a large pressing force from a plurality of crushing rollers, and this pressing force can be supported by a table support frame via a thrust bearing, whereby the pressing force is applied to the casing of the speed reducer. It can suppress hanging.
  • a structure for improving the strength of the casing becomes unnecessary, and the structure of the casing can be simplified. Thereby, reduction of the weight of a casing and reduction of manufacturing cost can be aimed at.
  • the rotary table can be used when increasing the crushing capacity of the object to be crushed by the vertical roller mill. Even when the diameter is increased, the shape of the table support portion can be freely set without considering the matching of the reduction gear.
  • the output part of the reduction gear and the rotary table are connected to each other via a connecting shaft, and the rotary table is rotatably supported by a table support frame via a thrust bearing, for example, maintenance of the reduction gear is performed. Therefore, it is possible to easily perform the work of separating the speed reducer from the table support portion and pulling it out from the vertical roller mill.
  • the table support frame may be provided on the stand leg.
  • the table support frame can be supported by the stand legs.
  • the stand leg and the arm support may be made of concrete.
  • the crushing ability can be increased, and even when 6 or more crushing rollers are provided, the lower leg of the stand leg is obstructive when the speed reducer is pulled out from the vertical roller mill. Instead, it can be pulled out from a predetermined passage. Even if the number of crushing rollers increases, there is no need to dispose the stand leg at an outer position away from the rotary table. Therefore, the area occupied by the vertical roller mill and the moment applied to the stand leg are limited. Therefore, the crushing ability of the vertical roller mill can be improved. Accordingly, when a large amount of objects to be pulverized is pulverized, the number of vertical roller mills can be reduced to a small number, and the introduction cost and running cost can be suppressed.
  • the vertical roller mill includes a rotary table that pulverizes an object to be pulverized between a plurality of pulverizing rollers, and the rotary table is connected to a rotary drive unit connected via a speed reducer.
  • a plurality of pressing drive portions that are provided for each of the plurality of pulverizing rollers and that press the pulverizing roller against the rotary table, and are provided so as to surround the speed reducer from the outside.
  • a plurality of pressing drive units and a stand unit for supporting the plurality of crushing rollers at an upper position of the speed reducer, and passing the speed reducer below the pressing drive unit and the crushing roller, And a passage for withdrawing from the vehicle.
  • the rotational power of the rotational drive unit is transmitted to the rotary table via the speed reducer, and the rotary table can be rotated in a predetermined direction.
  • a plurality of crushing rollers rotate.
  • Each of the plurality of pressing drive units can press the crushing roller provided corresponding to each of the pressing driving units to the rotary table, so that the object to be crushed can have a desired pressing force between the crushing roller and the rotary table. And can be pulverized.
  • the stand portion is provided so as to surround the speed reducer from the outside, the plurality of press driving portions and the plurality of crushing rollers supported by the stand portion are arranged in a substantially circumferential direction around the speed reducer. Can be arranged along.
  • the reduction unit is passed through a predetermined passage provided below the pressure driving unit and the crushing roller. It can be pulled out from this saddle type roller mill.
  • the two stand portions provided on both sides of the passage are formed integrally, and the passage is provided below the stand portion. Good.
  • the strength of the stand part can be improved. Accordingly, it is not necessary to provide a lower portion of the stand portion for supporting the press drive portion and the pulverizing roller at a position directly below the press drive portion and the pulverizing roller. Therefore, a space for providing a passage in the lower portion of the stand portion is provided. Can be secured. Then, the speed reducer can be drawn from the vertical roller mill through the passage below the pressing drive unit and the grinding roller.
  • the stand portion may have at least one pressing drive portion and / or at least one arm support portion above the passage.
  • the speed reducer is pulled out through the passage so as to pass through the press drive unit and the arm support unit. Even if the crushing rollers and the pressing drive unit are increased and the interval between the crushing rollers adjacent to each other becomes narrow, the ease of maintenance of the reduction gear can be ensured while maintaining the compactness of the entire vertical roller mill.
  • the output part of the speed reducer is connected to a table support part via a connecting shaft, and the table support part is provided with the rotary table fixed on the upper part, and It is good to be supported by the table support stand so that rotation is possible via a thrust bearing.
  • the output part of the speed reducer is connected to the table support part via the connecting shaft, and the rotary table is fixed to the upper part of the table support part so that the upper surface of the rotary table is placed above the speed reducer. It can arrange
  • the rotary table receives a large pressing force from a plurality of crushing rollers, and this pressing force can be supported by a table support frame via a thrust bearing, whereby the pressing force is applied to the casing of the speed reducer. It can suppress hanging.
  • a structure for improving the strength of the casing becomes unnecessary, and the structure of the casing can be simplified. Thereby, reduction of the weight of a casing and reduction of manufacturing cost can be aimed at.
  • the pressing force by the plurality of crushing rollers on the rotary table can be supported by the table support frame via the table support portion and the thrust bearing, in order to increase the crushing ability of the vertical roller mill to be crushed, Even if the diameter of the rotary table is increased, the shape of the table support portion can be freely set without considering the matching with the reduction gear.
  • the output part of the reduction gear and the rotary table are connected to each other via a connecting shaft, and the rotary table is rotatably supported on the table support frame via the table support part and the thrust bearing.
  • the table support frame may be provided on the stand portion.
  • the table support frame can be supported by the stand portion.
  • the stand part may be made of concrete.
  • the crushing ability can be increased, and even when six or more crushing rollers are provided, the pressing drive unit does not get in the way when the speed reducer is pulled out from the vertical roller mill. It can be withdrawn from a predetermined passage.
  • the number of grinding rollers increases, there is no need to place the stand at an outer position away from the rotary table, so there is no restriction on the occupation area of the vertical roller mill or the moment on the stand.
  • the crushing ability of the vertical roller mill can be improved. Accordingly, when a large amount of objects to be pulverized is pulverized, the number of vertical roller mills can be reduced to a small number, and the introduction cost and running cost can be suppressed.
  • the lower leg for supporting the arm support portion via the upper leg portion at a position directly below the arm support portion. It is not necessary to provide a portion, and therefore a space for providing a passage under the upper leg portion can be secured, so that the pulverization capacity of the object to be crushed is large and compact, and the speed reducer It is possible to provide a saddle type roller mill that can be easily pulled out through a predetermined passage and can be easily maintained.
  • a stand portion provided so as to surround the speed reducer from the outside supports a plurality of pressing drive portions and a plurality of pulverizing rollers at a position above the speed reducer, and the speed reducer Is provided below the pressing drive unit and the crushing roller and provided with a passage for drawing out from the vertical roller mill. Accordingly, in order to increase the pulverization ability of the object to be pulverized by the vertical roller mill, it is necessary to draw out a reduction gear from between the plurality of press drive units even when the number of pulverization rollers and press drive units is increased.
  • a vertical roller mill that has a large pulverizing capability and is compact and that can be easily pulled out through a predetermined passage and can be easily maintained. Can be provided.
  • FIG. 1 is a partially omitted EE sectional view showing a vertical roller mill according to a first embodiment of the present invention.
  • FIG. 2 is a partially omitted AA sectional view showing the vertical roller mill according to the first embodiment.
  • FIG. 3 is a partially omitted BB sectional view showing the vertical roller mill according to the first embodiment.
  • FIG. 4 is a partially omitted CC cross-sectional view showing the vertical roller mill according to the first embodiment.
  • FIG. 5 is a partially omitted DD cross-sectional view showing the vertical roller mill according to the first embodiment.
  • FIG. 6 is a partially omitted KK sectional view showing a vertical roller mill according to a second embodiment of the present invention.
  • FIG. 1 is a partially omitted EE sectional view showing a vertical roller mill according to a first embodiment of the present invention.
  • FIG. 2 is a partially omitted AA sectional view showing the vertical roller mill according to the first embodiment.
  • FIG. 3 is a partially
  • FIG. 7 is a partially omitted FF sectional view showing the vertical roller mill according to the second embodiment.
  • FIG. 8 is a partially omitted GG sectional view showing the vertical roller mill according to the second embodiment.
  • FIG. 9 is a partially omitted HH sectional view showing the vertical roller mill according to the second embodiment.
  • FIG. 10 is a partially omitted II cross-sectional view showing the vertical roller mill according to the second embodiment.
  • FIG. 11 is a partially omitted JJ cross-sectional view showing a vertical roller mill according to the second embodiment.
  • the vertical roller mill 11 shown in FIG. 1 includes a plurality of crushing rollers arranged so as to surround the speed reducer 12 from the outside as viewed from above, that is, along the substantially circumferential direction with the speed reducer 12 substantially at the center. 13 is provided with a rotary table 14 for pulverizing the object to be crushed between the rotary table 13 and the rotary table 14, which is rotationally driven by a rotary drive unit 15 connected via a speed reducer 12.
  • the rotary table 14 and the crushing roller 13 are covered with a casing 16.
  • six crushing rollers 13 are provided on the arm support portion 18 of the stand portion 31 via the first arm 17 and the arm bearing base 22.
  • the six crushing rollers 13 are configured to be pressed onto the rotary table 14 formed in an annular shape by the six roller pressing mechanisms 19. Since these six roller pressing mechanisms 19 are equivalent, the roller pressing mechanism 19 shown in FIG. 1 will be described, and the description of the other roller pressing mechanisms will be omitted.
  • the crushing roller 13 is rotatably provided at the distal end portion of the first arm 17, and the proximal end portion of the first arm 17 is coupled to the first arm shaft 20, and the first arm shaft 20
  • the bearing portion 21 (see FIG. 2) is rotatably provided.
  • the arm bearing portion 21 is fixed to the arm support portion 18 of the stand portion 31 via the arm bearing base 22.
  • the upper end portion of the second arm 23 is coupled to the first arm shaft 20, and the lower end portion of the second arm 23 is rotatable via the second arm shaft 24 to the tip of the pressing drive portion 25.
  • a pressing drive unit shaft (for example, a cylinder pin) 26 is provided at the base end portion of the pressing drive unit 25, and the pressing drive unit shaft 26 is rotatably provided on the pressing drive device support base 27.
  • the pressing drive device support base 27 is fixed to the pressing drive device support portion 28 of the stand portion 31.
  • the pressing drive unit 25 is for pressing the crushing roller 13 against the rotary table 14, and is, for example, a hydraulic cylinder device.
  • a second arm shaft 24 is provided at the distal end portion of the piston rod 25a, and a pressing drive portion shaft 26 is provided at the proximal end portion of the cylinder 25b.
  • the hydraulic cylinder device is exemplified as the pressing drive unit 25, but other drive units may be used.
  • the crushing roller 13 can be pressed onto the rotary table 14 with a predetermined force by the pressing drive unit 25 operating in a shortening direction with a predetermined force. Then, when the pressing drive unit 25 operates in a predetermined extended state, the crushing roller 13 can be raised and the pressing force against the rotary table 14 can be reduced.
  • the pressing drive device support portion 28 is also a “stand leg portion” described in the claims.
  • the lower part (lower leg part 28b) of the pressing drive device support part (stand leg part) 28 is formed as two semicircular parts as shown in the DD cross section of FIG. And as shown in FIG. 3, the upper part of the pressing drive apparatus support part (stand leg part) 28 is provided on this.
  • the upper portion of the pressing drive device support portion (stand leg portion) 28 is also an “upper leg portion 28a” recited in the claims.
  • a lower portion of the arm support portion 18 shown in FIG. 3 is provided on the pressing drive device support portion (stand leg portion) 28, and an upper portion of the arm support portion 18 shown in FIG. 2 is further provided thereon.
  • the stand part 31 provided with these arm support parts 18 and the pressing drive apparatus support part (stand leg part) 28 is formed, for example with reinforced concrete.
  • the pressing drive device support portion (stand leg portion) 28 is provided along the substantially circumferential direction so as to surround the speed reducer 12 from the outside, and includes six pressure driving portions 25.
  • the table support unit 39 and the table support frame 41 are supported above the speed reducer 12.
  • a predetermined passage 32 is provided through the lower portion (lower leg portion 28b) of the pressing drive device support portion (stand leg portion) 28.
  • the speed reducer 12 is formed so as to be pulled out from the vertical roller mill 11 so as to pass under the pressing drive unit 25 and the grinding roller 13.
  • the pressing drive device support base 27 is provided at a position higher than the upper surface of the speed reducer 12.
  • a motor base 34 used when the speed reducer 12 is pulled out is shown.
  • the speed reducer 12 is provided on the installation surface 29 on which the vertical roller mill 11 is installed, and is disposed at a substantially central position of the vertical roller mill 11.
  • the input shaft 12 a of the speed reducer 12 is coupled to the rotation shaft 15 a of the rotation drive unit 15 (electric motor) via the coupling 35, the coupling shaft 36 and the coupling 35.
  • the output unit 12 b of the speed reducer 12 is coupled to a disk-shaped table support unit 39 via a coupling 37, a coupling shaft 38, and the coupling 37.
  • the table support portion 39 is provided with the rotary table 14 fixed to the upper portion thereof, and is rotatably supported by a table support frame 41 via a thrust bearing 40.
  • the table support frame 41 is fixed to the pressing drive device support portion (stand leg portion) 28.
  • the table support frame 41 is formed in, for example, an annular shape, and a connecting shaft 38 is inserted through the center thereof.
  • hot air supply ducts 42 are provided between the arm support portions 18.
  • the number of hot air supply ducts 42 connected to the vertical roller mill 11 is six, for example.
  • another passage 33 is formed on the side opposite to the passage 32 for pulling out the speed reducer 12, and a circulating material discharge conveyor 43 is disposed in the passage 33.
  • the circulating material discharge conveyor 43 is for discharging the coarse particle sized material in the vertical roller mill 11 and supplying it again from the raw material supply chute 44 into the vertical roller mill 11.
  • the coarsely pulverized material in the vertical roller mill 11 is supplied to the circulating material discharge conveyor 43 through the circulating material discharge chute 48 shown in FIG.
  • a material to be crushed is supplied onto the rotary table 14 from a raw material supply chute 44 provided above the rotary table 14, and a plurality of, for example, six pulverizing rollers 13 are connected to the first roller mill 11. Further, by pressing against the upper surface of the rotary table 14 by the pressing drive unit 25 via the second arms 17 and 23, the object to be crushed can be caught between the plurality of crushing rollers 13 and the rotary table 14 and pulverized. .
  • the pulverized object to be crushed is blown up by the hot air supplied from the hot air supply duct 42 and transferred to the separator 45 provided above.
  • the separator 45 is driven to rotate by a separator driving device 46 (for example, an electric motor), and only fine powder finer than a predetermined particle size (particle size) is provided on the upper portion of the casing 16 among the pulverized objects. It can be discharged from the fine powder discharge duct 47, and the rest can be returned to the rotary table 14 and pulverized again.
  • a separator driving device 46 for example, an electric motor
  • the rotational drive unit 15 shown in FIG. 1 can transmit the rotational power to the rotary table 14 via the speed reducer 12 and the table support unit 39 to rotate the rotary table 14 in a predetermined direction.
  • the plurality of crushing rollers 13 rotate.
  • each of the six pressing drive units 25 can press the crushing roller 13 provided corresponding to each of the pressing driving units 25 against the rotary table 14, and thereby, between the crushing roller 13 and the rotary table 14.
  • the object to be crushed can be pulverized by being bitten by a desired pressing force.
  • the stand part 31 provided with the pressing drive apparatus support part 28 and the arm support part 18 is provided so that the reduction gear 12 may be enclosed from the outer side, the several press drive part 25 supported by this stand part 31 and A plurality of crushing rollers 13 can be arranged along a substantially circumferential direction with the speed reducer 12 as a substantial center.
  • path 32 shown in FIG. 5 is shown in FIG.4 and FIG.1.
  • strength of the said upper part (upper leg part 28a) for supporting the arm support part 18 can be aimed at.
  • the lower part (lower leg part 28b) of the pressing drive device support part (stand leg part) 28 for supporting the arm support part 18 via the upper part (upper leg part 28a) is positioned directly below the arm support part 18. Therefore, it is possible to secure a space for providing the passage 32 below the upper portion (upper leg portion 28a). Then, the speed reducer 12 can be pulled out from the vertical roller mill 11 through the passage 32 below the grinding roller 13.
  • the pressing drive device support (stand leg) 28 is positioned at a position directly below the arm support 18. There is no need to provide a lower part (lower leg part 28b) for supporting the arm support part 18 via the upper part (upper leg part 28a), and therefore a space for providing the passage 32 below the upper part (upper leg part 28a). Since it is configured to be able to be secured, the pulverization capacity of the object to be crushed is large and compact, and the reduction gear 12 is pulled out through a predetermined passage 32 to perform maintenance of the reduction gear 12.
  • the saddle type roller mill 11 which can be easily performed can be provided.
  • the pressing drive device support portion 28 and the arm support portion 18 support the plurality of pressing drive portions 25 and the plurality of crushing rollers 13 at positions above the speed reducer 12, so that the speed reducer 12 is pulled out from the vertical roller mill 11 through a predetermined passage 32 (see FIGS. 1 and 5) so as to pass under the pressing drive unit 25 and the crushing roller 13, that is, through the lower part thereof. be able to.
  • the vertical roller mill 11 in order to increase the pulverizing ability of the object to be pulverized by the vertical roller mill 11, even when the number of the pulverizing rollers 13 and the pressure driving unit 25 is increased from four to six as in this embodiment, for example. Since it is not necessary to pull out the speed reducer 12 between the six pressure driving portions 25, the six pressure driving portions 25 are connected to the speed reducer 12 in order to widen the interval between the six pressure driving portions 25. There is no need to place it outside in the radial direction. As a result, the pulverization capacity of the object to be crushed is large and compact, and the reduction gear 12 can be easily pulled out through the predetermined passage 32 so that maintenance of the reduction gear 12 can be easily performed.
  • a mold roller mill 11 can be provided.
  • the stand unit 31 has at least one pressing drive unit 25 and / or at least one arm support unit 18 above the passage 32, the speed reducer 12 passes through the press drive unit 25 and the arm support unit 18.
  • the speed reducer 12 passes through the press drive unit 25 and the arm support unit 18.
  • the output part 12b of the reduction gear 12 connects with the table support part 39 via the connection axis
  • the upper surface of the rotary table 14 can be disposed at a position where the upper surface of the rotary table 14 is brought into contact with the crushing roller 13 that is pressed and driven by the pressing drive unit 25 provided above the speed reducer 12.
  • the object to be crushed can be pulverized between the crushing roller 13 and the rotary table 14 provided above the speed reducer 12 and pulverized.
  • the rotary table 14 receives a large pressing force by the plurality of crushing rollers 13, and this pressing force can be supported by the table support frame 41 via the thrust bearing 40, whereby the pressing force is reduced. It is possible to prevent the machine 12 from being caught on the casing 12c and the connecting shaft 38. As a result, there is no need to increase the strength of the casing 12c and the connecting shaft 38 in accordance with an increase in the pulverization capability, and a structure for improving the strength of the casing 12c is not required, and the structure of the casing 12c can be simplified. it can. Thereby, the weight of the casing 12c can be reduced and the manufacturing cost can be reduced.
  • the pressing force of the plurality of crushing rollers 13 on the rotary table 14 can be supported by the table support frame 41 via the table support portion 39 and the thrust bearing 40, so that the object to be crushed by the vertical roller mill 11 can be crushed. Even if the diameter of the rotary table 14 is increased in order to increase the capacity, the shape of the table support portion 39 can be freely set without considering the matching with the reduction gear 12.
  • the output unit 12b of the speed reducer 12 and the rotary table 14 are connected to each other via a table support unit 39, a connecting shaft 38, and a coupling 37, and the rotary table 14 is connected to the table support unit 39 and a thrust bearing 40. Therefore, for example, in order to maintain the speed reducer 12, the speed reducer 12 is separated from the table support portion 39 and pulled out from the vertical roller mill 11 for easy maintenance. Is possible.
  • the pressing drive unit 25 can be pulled out from the predetermined passage 32 without being obstructed. Even if the number of rollers 13 is increased, there is no need to dispose the stand portion 31 at a radially outer position away from the rotary table 14, and there are restrictions on the occupied area of the vertical roller mill 11 and on the moment on the stand portion 31. Without receiving, the crushing ability of the vertical roller mill 11 can be improved. Thereby, when pulverizing a large amount of objects to be crushed, the number of vertical roller mills 11 can be reduced to a small number, and the introduction cost and running cost can be suppressed.
  • the pressing drive unit 25 for example, a hydraulic cylinder device shown in FIG. 1 is installed on the installation surface 29 is compared with the case where the pressing drive unit 25 is provided above the speed reducer 12.
  • the pressing drive unit 25 is provided on the pressing drive device support unit 28 of the stand unit 31.
  • the speed reducer 12 can be designed to be drawn out from the space between the leg portions. If the part is made of reinforced concrete, the installation area of the leg part becomes larger than that made of steel, the space between the leg parts becomes narrow, and there is a possibility that the speed reducer 12 cannot be pulled out from the space. is there.
  • the pressure driving unit 25 is obstructive when the speed reducer 12 is pulled out. Therefore, the speed reducer 12 can be pulled out from the passage 32 by passing under the pressing drive unit 25 and the crushing roller 13.
  • the stand unit 31 is provided with six or more pulverizing rollers 13.
  • the passage 32 for pulling out the speed reducer 12 can be easily formed, and thus the reinforced concrete stand portion 31 can be employed.
  • the stand part 31 made of reinforced concrete vibration and impact transmitted from the crushing roller 13 can be suppressed, and the manufacturing cost of the stand part 31 can be suppressed.
  • a plurality of pressing drive units 25 are supported at a position above the speed reducer 12 by a pressing drive device support portion (stand leg portion) 28, and the speed reducer 12 is supported by the pressing drive device. It passes through a predetermined passage 32 (see FIGS. 1 and 5) provided in the lower part (lower leg part 28b) of the support part (stand leg part) 28, and is pulled out from the saddle type roller mill 11.
  • the several press drive part 25 is installed in the installation surface 29 in which the reduction gear 12 is installed, and the reduction gear 12 is a stand leg part (press drive).
  • the device support part) 28 is drawn out from the vertical roller mill 50 through a predetermined passage 32 (see FIGS. 6 and 11) formed in the lower leg part (lower part) 28b.
  • the second embodiment is the same as the first embodiment shown in FIG. 1, and the same parts are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the vertical roller mill 50 includes a rotary table 14 that pulverizes an object to be crushed with a plurality of pulverizing rollers 13, and the rotary table 14 includes the speed reducer 12.
  • a plurality of pressure drive units are provided for each of the plurality of crushing rollers 13 and press the crushing roller 13 against the rotary table 14.
  • 25 and an arm support 18 provided so as to surround the reduction gear 12 from the outside, and supporting a plurality of respective crushing rollers 13 at the upper position of the reduction gear 12 via the first and second arms 17 and 23.
  • the upper leg portion 28a of the two stand leg portions 28 provided on both sides of the passage 32 is formed integrally, and the passage 32 is provided below the upper leg portion 28a. It has been.
  • the upper leg portions 28a that support all the plurality of arm support portions 18 are integrally formed.
  • the upper leg portions 28a of the two stand leg portions 28 provided on both sides of the passage 32 are formed integrally, and other stand leg portions 28 other than the two stand leg portions 28 are formed.
  • the leg portions 28a may be provided separately from each other.
  • the rotational power of the rotary drive unit 15 is transmitted to the rotary table 14 via the speed reducer 12, and the rotary table 14 can be rotated in a predetermined direction.
  • the plurality of pulverizing rollers 13 rotate.
  • an object to be crushed can be caught between the plurality of pulverizing rollers 13 and the rotary table 14 and pulverized.
  • Each of the plurality of pressing driving units 25 can press the crushing roller 13 provided corresponding to each of the pressing driving units 25 against the rotary table 14, whereby the object to be crushed between the crushing roller 13 and the rotary table 14. Can be pulverized with a desired pressing force.
  • the arm support 18 is The strength of the upper leg part 28a for supporting can be improved. As a result, it is not necessary to provide the lower leg portion 28b for supporting the arm support portion 18 via the upper leg portion 28a at a position directly below the arm support portion 18, so that a passage is provided below the upper leg portion 28a. A space for providing 32 can be secured.
  • the speed reducer 12 can be drawn from the vertical roller mill 50 through the passage 32 below the grinding roller 13.
  • the saddle type roller mill 50 As described above, even when the arm support portion 18 is provided above the passage 32, the arm support portion 18 is located directly below the arm support portion 18 via the upper leg portion 28a. It is not necessary to provide the lower leg portion 28b for supporting the arm support portion 18, and therefore, the space for providing the passage 32 below the upper leg portion 28a can be secured. It is possible to provide a saddle type roller mill 50 that is large and compact, and that allows the reduction gear 12 to be pulled out to the outside through a predetermined passage 32 so that maintenance of the reduction gear 12 can be easily performed. .
  • this press drive part 25 is a hydraulic cylinder apparatus, for example.
  • the piston rod 25a is connected to the second arm shaft 24 via the power transmission portion 51, and the pressing drive portion shaft 26 is provided at the base end portion of the cylinder 25b.
  • the hydraulic cylinder device is exemplified as the pressing drive unit 25, but other drive units may be used.
  • the stand leg portion 28 is provided with a power transmission unit 51 for transmitting the pressure driving unit 25 and the power of the pressure driving unit 25 to the grinding roller 13 via the first and second arms 17 and 23.
  • An arrangement space 52 is formed.
  • the press drive unit 25 is arranged in the arrangement space 52, but instead, the press drive unit 25 is arranged outside the arrangement space 52, that is, on the stand unit 31. You may arrange
  • the arm support portion 18 is provided above the passage 32 so that the arrangement space 52 in which the pressing drive portion 25 and the power transmission portion 51 are arranged can be formed. Even in this case, it is not necessary to provide the lower leg portion 28b for supporting the arm support portion 18 via the upper leg portion 28a at a position directly below the arm support portion 18, and therefore, the lower leg portion 28a is disposed below the upper leg portion 28a. This is because a space for providing the space 52 can be secured. Therefore, the pressing drive unit 25 and the power transmission unit 51 can be arranged in the arrangement space 52.
  • the press drive part 25 is installed in the installation surface 29 in which the reduction gear 12 is installed in this way, the press drive part 25 can be installed in a low position, Thereby, installation and maintenance of the press drive part 25 are carried out. It is possible to reduce the labor, cost, and time for performing the operation.
  • the saddle type roller mill 50 includes upper leg portions 28 a that integrally support a plurality of arm support portions 18, and a plurality of all press drive portions. 25 is installed on the installation surface 29 on which the speed reducer 12 is installed.
  • the upper leg portion 28a of the stand leg portion 28 that supports all of the plurality of arm support portions 18 is integrally formed, the strength of the entire upper leg portion 28a can be improved. Therefore, it is possible to provide a compact vertical roller mill 50 that has a large pulverization capability for the object to be pulverized.
  • the labor, cost, and time for installing the pressing drive unit 25 can be significantly reduced. Further, in this way, it is possible to suppress the height of the vertical roller mill 50 from being increased in relation to the height of the pressing drive unit 25, and to reduce the overall height of the vertical roller mill 50. Can do. As a result, the manufacturing cost of the vertical roller mill 50 can be reduced, the height of the building for housing the vertical roller mill 50 can be reduced, and the cost of the building can be further reduced.
  • the vertical roller mill 50 is configured such that the upper leg portion 28 a formed integrally supports the arm support portion 18 above the passage 32.
  • the integrally formed upper leg portion 28a supports the arm support portion 18 above the passage 32, so that the speed reducer 12 is pulled out through the passage 32 so as to pass through the arm support portion 18. Therefore, even if the crushing rollers 13 are increased and the interval between the crushing rollers 13 adjacent to each other is reduced, the ease of maintenance of the speed reducer 12 can be ensured while maintaining the compact size of the vertical roller mill 50 as a whole.
  • the vertical roller mill 50 has a table support frame 41 provided on the stand leg 28.
  • the stand leg 28 and the arm support 18 are made of concrete.
  • the vertical roller mill 50 configured as described above operates in the same manner as the first embodiment having the same configuration shown in FIG.
  • the pulverization capability can be increased by providing six or more pulverizing rollers 13, and the speed reducer 12 can be formed in the vertical type even when six or more pulverizing rollers 13 are provided.
  • the lower leg portion 28b of the stand leg portion 28 can be pulled out from the predetermined passage 32 without getting in the way. Even if the number of crushing rollers 13 is increased, it is not necessary to dispose the stand leg portion 28 at an outer position away from the rotary table 14, so that the occupation area of the vertical roller mill 50 is restricted and the stand leg portion 28 is applied.
  • the grinding ability of the vertical roller mill 50 can be improved without being restricted by the moment. Thereby, when pulverizing a large amount of objects to be pulverized, the number of vertical roller mills 50 can be reduced to a small number, and the introduction cost and running cost can be suppressed.
  • the stand part 31 provided with the pressing drive apparatus support part (or stand leg part) 28 shown in FIG.1 and FIG.6 and the arm support part 18 was made from reinforced concrete, it replaced with this, For example, it may be made of steel.
  • path 32 for drawing out the reduction gear 12 is between the mutually adjacent press drive parts 25, and its downward position.
  • it may be formed at a position below one of the pressing drive portions 25.
  • the output unit 12b of the speed reducer 12 shown in FIGS. 1 and 6 may be a table support part originally provided in the standard speed reducer 12, or may be a standard speed reducer 12. It is good also as what provided the output part separate from the table support part with which is equipped.
  • the vertical roller mill according to the present invention has a large crushing capacity and can be made compact.
  • the reduction gear can be pulled out through a predetermined passage to perform maintenance of the reduction gear. It has an excellent effect that can be easily performed, and is suitable for application to such a vertical roller mill.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
PCT/JP2012/007187 2011-11-11 2012-11-08 竪型ローラミル WO2013069293A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013542855A JP5809708B2 (ja) 2011-11-11 2012-11-08 竪型ローラミル
CN201280052955.0A CN103889579B (zh) 2011-11-11 2012-11-08 立式辊磨机
IN3273CHN2014 IN2014CN03273A (de) 2011-11-11 2012-11-08
EP12847541.5A EP2777814B1 (de) 2011-11-11 2012-11-08 Vertikales walzwerk

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPPCT/JP2011/006325 2011-11-11
JP2011006325 2011-11-11

Publications (1)

Publication Number Publication Date
WO2013069293A1 true WO2013069293A1 (ja) 2013-05-16

Family

ID=48289510

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/007187 WO2013069293A1 (ja) 2011-11-11 2012-11-08 竪型ローラミル

Country Status (4)

Country Link
EP (1) EP2777814B1 (de)
CN (1) CN103889579B (de)
IN (1) IN2014CN03273A (de)
WO (1) WO2013069293A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106179065A (zh) * 2016-08-19 2016-12-07 戚宸箕 一种鞋子制作用乳胶齿轮式搅拌装置
CN109112678A (zh) * 2018-08-21 2019-01-01 安徽世倾环保科技有限公司 一种纤维滤料的喂入装置
WO2024034623A1 (ja) * 2022-08-09 2024-02-15 川崎重工業株式会社 竪型ローラミル及び減速装置のメンテナンス方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6578110B2 (ja) * 2015-03-05 2019-09-18 三菱日立パワーシステムズ株式会社 粉砕ローラ及び粉砕機
CN106268459B (zh) * 2016-08-19 2019-03-08 温州立华科技发展有限公司 一种鞋用淀粉粘合剂生产原料快速混合装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0889829A (ja) * 1994-09-22 1996-04-09 Ube Ind Ltd 竪型粉砕機
JP2008525170A (ja) 2004-12-23 2008-07-17 ロエシェ ゲーエムベーハー モジュール構造のローラミル
JP4477635B2 (ja) * 2003-09-12 2010-06-09 ロエシェ ゲーエムベーハー ローラ粉砕ミル及びその運転方法並びにセメントの製造方法
JP2010284629A (ja) * 2009-06-15 2010-12-24 Kawasaki Plant Systems Ltd 竪型ローラミル

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909330A (en) * 1954-09-30 1959-10-20 Hardinge Harlowe Pulverizing mill and process of pulverizing material
DE2703535C2 (de) 1977-01-28 1986-07-10 Loesche GmbH, 4000 Düsseldorf Wälzmühle
DE3303080A1 (de) * 1983-01-28 1984-08-02 A. Friedr. Flender Gmbh & Co Kg, 4290 Bocholt Mahlschuesselantrieb- und lagerung
DE4202784C2 (de) * 1992-01-31 2002-08-08 Loesche Gmbh Luftstrom-Wälzmühle
DE19603655A1 (de) 1996-02-01 1997-08-07 Loesche Gmbh Wälzmühle
CN2345281Y (zh) * 1998-08-17 1999-10-27 游培增 超微细粉竖式滚轮研磨机
CN2576333Y (zh) * 2002-10-08 2003-10-01 陈韧坚 磨式辊压破碎机
DE10343218B4 (de) * 2003-09-12 2006-05-04 Loesche Gmbh Sicherheitssystem für eine Wälzmühle und Verfahren zur Herstellung von Zement
CN2698446Y (zh) * 2004-03-18 2005-05-11 鲁扬 新型磨粉机
CN2925606Y (zh) * 2006-06-19 2007-07-25 陈韧坚 一种破碎机
DE102006037774A1 (de) * 2006-08-11 2008-02-14 Polysius Ag Walzen- oder Rollenmühle
JP4965984B2 (ja) * 2006-12-04 2012-07-04 川崎重工業株式会社 竪型ローラミル
CN100588462C (zh) 2008-06-20 2010-02-10 张桂才 内筛分辊式立磨

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0889829A (ja) * 1994-09-22 1996-04-09 Ube Ind Ltd 竪型粉砕機
JP4477635B2 (ja) * 2003-09-12 2010-06-09 ロエシェ ゲーエムベーハー ローラ粉砕ミル及びその運転方法並びにセメントの製造方法
JP2008525170A (ja) 2004-12-23 2008-07-17 ロエシェ ゲーエムベーハー モジュール構造のローラミル
JP2010284629A (ja) * 2009-06-15 2010-12-24 Kawasaki Plant Systems Ltd 竪型ローラミル

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2777814A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106179065A (zh) * 2016-08-19 2016-12-07 戚宸箕 一种鞋子制作用乳胶齿轮式搅拌装置
CN109112678A (zh) * 2018-08-21 2019-01-01 安徽世倾环保科技有限公司 一种纤维滤料的喂入装置
CN109112678B (zh) * 2018-08-21 2023-04-25 安徽世倾环保科技有限公司 一种纤维滤料的喂入装置
WO2024034623A1 (ja) * 2022-08-09 2024-02-15 川崎重工業株式会社 竪型ローラミル及び減速装置のメンテナンス方法

Also Published As

Publication number Publication date
EP2777814A1 (de) 2014-09-17
CN103889579A (zh) 2014-06-25
EP2777814A4 (de) 2015-09-09
IN2014CN03273A (de) 2015-07-03
CN103889579B (zh) 2015-11-25
EP2777814B1 (de) 2019-05-01

Similar Documents

Publication Publication Date Title
WO2013069293A1 (ja) 竪型ローラミル
US20140175199A1 (en) Cone crusher and method of preparing cone crusher for operation
JP5341898B2 (ja) ローラミル、及びそれを用いた原料の粉砕方法。
JP2008525170A (ja) モジュール構造のローラミル
CN105555407B (zh) 具有弹簧装置的用于粉碎矿石的设备和方法
JP2012521282A (ja) ローラミル
JPH0889828A (ja) ミル用減速機及びこの減速機を備えたミル
JP5809708B2 (ja) 竪型ローラミル
CN202762491U (zh) 集成高效磨粉机
JP7116365B2 (ja) 竪型粉砕機
JP3154378U (ja) 解砕整粒機
CN102814212A (zh) 集成高效磨粉机
WO2024034623A1 (ja) 竪型ローラミル及び減速装置のメンテナンス方法
US1784983A (en) Coal breaker
JP2012509839A (ja) 粒子材料を粉砕するためのローラミル
WO2012142971A1 (zh) 一种炬辊磨机
CN105377440B (zh) 可调式超细破碎机
CN103191801B (zh) 一种除石破碎机
CN102989555A (zh) 偏心式磨辊单双支撑环辊磨
JP2006167515A (ja) 微粉砕機
EP3159060B1 (de) Vertikales walzwerk
CN203002430U (zh) 偏心式磨辊集成高效磨粉机
JP2013523418A (ja) ローラミル
CN206778542U (zh) 一种小型稀有软质矿石破碎机
CN100551539C (zh) 端置式磨辊磨机

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12847541

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013542855

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2012847541

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE