WO2015025645A1 - ブリケットマシン - Google Patents

ブリケットマシン Download PDF

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Publication number
WO2015025645A1
WO2015025645A1 PCT/JP2014/068990 JP2014068990W WO2015025645A1 WO 2015025645 A1 WO2015025645 A1 WO 2015025645A1 JP 2014068990 W JP2014068990 W JP 2014068990W WO 2015025645 A1 WO2015025645 A1 WO 2015025645A1
Authority
WO
WIPO (PCT)
Prior art keywords
gate
powder
rolls
granulation
roll
Prior art date
Application number
PCT/JP2014/068990
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
正紀 清水
修一 家守
亮 藤尾
Original Assignee
新東工業株式会社
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
Application filed by 新東工業株式会社 filed Critical 新東工業株式会社
Priority to AU2014310051A priority Critical patent/AU2014310051B2/en
Priority to JP2015532766A priority patent/JP6256473B2/ja
Priority to GB1604358.0A priority patent/GB2537229B/en
Priority to KR1020167006672A priority patent/KR20160044519A/ko
Priority to CN201490000121.XU priority patent/CN204365239U/zh
Publication of WO2015025645A1 publication Critical patent/WO2015025645A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between 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
    • B02C4/28—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005—Control arrangements
    • B30B11/006—Control arrangements for roller presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses
    • B30B15/302—Feeding material in particulate or plastic state to moulding presses
    • B30B15/308—Feeding material in particulate or plastic state to moulding presses in a continuous manner, e.g. for roller presses, screw extrusion presses
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating

Definitions

  • the present invention relates to a briquette machine.
  • it relates to a briquette machine having a powder feeder using a gate.
  • An object of the present invention is to provide a briquette machine capable of producing a granulated product of good and stable quality even when the granulation property varies during granulation.
  • a briquette machine of the present invention includes a pair of rolls (1) (1) rotating in opposite directions, and a pair of rolls (1) (1) that support both ends and hold bearings.
  • a bearing block (2) (2) at least one of which is movable, and a press frame portion (3) for supporting the pair of bearing blocks (2) (2);
  • a granulating part for compressing and granulating the powder A hopper (4) that is located above the granulation part and supplies powder to the granulation part, and a gate (5) provided inside the hopper (4), the roll (1) (1 And a gate (5) that moves up and down above the approaching part, and a supply part that changes the amount of powder supplied,
  • the hydraulic cylinder (8) that moves the movable bearing block (2) so that the pair of rolls (1) and (1) come close to each other and separate from each other, and the operating state of the rolls (1) and (1).
  • the powder can be appropriately compressed and granulated by the granulating unit by changing the supply amount of the powder by the supplying unit. That is, granulation can be performed with a roll load within a certain range. Further, the measuring unit can measure the operation state of the roll in real time by the operation state measuring instrument and automatically adjust the gate height.
  • the supply unit may include an electric cylinder (6) that moves the gate (5) up and down, and the electric cylinder (6) may further include an inverter (10) that changes a moving speed of the rod.
  • the gate height suitable for the raw material can be adjusted in a short time without damaging the device such as the gate (5) due to movement. That is, it is possible to provide a briquette machine that stably produces a granulated product of good quality by adjusting the vertical movement speed of the gate (5) with respect to fluctuations in granulation properties.
  • the drive device of the gate (5) is an electric cylinder (6), the height position of the gate (5) can be adjusted accurately.
  • the inverter (10) by changing the movement speed of the electric cylinder (6) by the inverter (10) and making the vertical movement speed of the gate (5) appropriate, the change in the granulation property of the raw material can be followed and the speed can be adjusted appropriately. The hunting of the vertical movement of the gate (5) can be prevented.
  • the lower end of the gate (5) may have a shape in which the central portion projects downward from both end portions.
  • the gate (5) may be provided with a gate tip adjusting mechanism (13, 14) capable of changing the length of the central portion projecting downward from both end portions. Since the side plates (14) and (14) are movable in the vertical direction with respect to the T-shaped plate (13), a suitable length in which the central portion projects downward from both end portions, that is, the supplied powder The difference in the gap between the central portion and both end portions can be changed so that the amount can be easily adjusted. Therefore, even if the property of the powder changes, the amount of the supplied powder can be adjusted appropriately.
  • FIG. 3 is an enlarged schematic cross-sectional view showing the vicinity of a gate tip adjustment mechanism as an embodiment of the present invention, and is a cross-sectional view taken along a vertical plane parallel to the roll axis. It is an enlarged view of the gate vicinity used for this invention, and shows the time of gate fall. It is an enlarged view of the vicinity of the gate used in the present invention, and shows when the gate is raised.
  • the briquette machine of the present invention includes a granulating unit for compressing and granulating powder, a supply unit that is located above the granulating unit and that supplies the granulated unit by changing the supply amount of the powder, and an operating state. And a measuring unit for measuring.
  • the granulating part includes a pair of rolls (1) (1) rotating in opposite directions, and bearing blocks (2) (2) supporting both ends of the rolls (1) (1) and holding bearings. And a press frame part (3) that supports the bearing blocks (2) and (2), and compresses and granulates the powder.
  • “rotate in the opposite direction” means that the upper surfaces of the pair of rolls (1) and (1) rotate in a direction approaching each other.
  • the supply unit is a hopper (4) that is positioned above the granulation unit and supplies powder to the granulation unit, and a gate (5) provided inside the hopper (4), the roll (1)
  • a gate (5) that moves up and down above the approaching part of (1) is provided, and powder with a variable supply amount is supplied to the granulation part.
  • the supply port for supplying the powder at the lower end of the hopper (4) to the granulation part is formed so as to supply the powder from the one roll (1) side toward the center of the pair of rolls (1) (1). ing.
  • the position of the gate (5) may be the center between the pair of rolls (1) and (1), or may be a position shifted from the center on the powder supply side (left side in FIG. 1).
  • the hydraulic cylinder (8) and the roll (1) which move the bearing blocks (2) and (2) which are movable so that the pair of rolls (1) and (1) approach and separate from each other.
  • the load cell (9) that measures the pressure applied to (1) and the ammeter (11) that measures the current value of the drive motor (12) of the rolls (1) and (1) are provided to measure the operating state. To do. That is, the operating state of the roll is measured by the pressure applied between the rolls (1) and (1) or the rotational load of the rolls (1) and (1).
  • the load cell (9) and the ammeter (11) are typical examples of an operation state measuring device that measures the operation state of the rolls (1) and (1), but even if the operation state is measured by another operation state measuring device. Good.
  • the type of powder in the present invention is not limited, but the briquette machine of the present invention is particularly preferably used when the properties of the powder change with time.
  • reduced iron, coal, steelmaking dust, nickel ore powder, zinc dust and the like are suitably used for powders whose particle size and physical properties are not stable.
  • the briquette machine of this invention is used suitably as a briquette machine of a large diameter roll. In the case of a large-diameter roll, the powder is easily caught between the rolls due to its own weight. This is because the amount of powder supplied between the rolls can be limited by the gate so that the powder is not caught between the rolls.
  • FIG. 1 is a schematic view showing the entire briquette machine used in the embodiment of the present invention
  • FIG. 2 is an enlarged schematic cross-sectional view of the vicinity of the roll in a vertical plane parallel to the roll axis of the briquette machine of FIG.
  • rolls (1) and (1) are rolls that rotate in opposite directions to compress and granulate powder, and are paired.
  • the bearing block (2) holds a bearing that supports the rolls (1) and (1).
  • the bearing block (2) is supported by the press frame part (3).
  • the press frame part (3) is an outer frame frame of the granulation part.
  • the movable bearing block (2) slides with the press frame part (3) on the lower side.
  • the horizontal displacement of the hydraulic cylinder (8) and the bearing block (2) on the fixed side is restricted by the press frame part (3).
  • the supply unit is provided with the hopper (4) as a main component, and supplies powder to the granulation unit.
  • a gate (5) is provided inside the hopper (4), and the amount of powder supplied can be regulated at the top of the roll (1). That is, the amount of powder supplied from the hopper (4) to the granulation part is adjusted by moving the gate (5) up and down to widen or narrow the gap with the roll (1).
  • the electric cylinder (6) for moving the gate (5) up and down is held by the gate lifting device frame (7) and the flange with the rod facing downward. Since an electric cylinder is used as an actuator for vertically moving the gate, there is an advantage that the structure of the gate is simplified. This is because in the case of a hydraulic cylinder, piping and a hydraulic pump are indispensable. Further, since the gate driving device is an electric cylinder, the height position of the gate can be adjusted accurately. In addition, since the electric cylinder (6) moves the gate (5) in the powder in the vertical direction, the friction between the gate (5) and the powder, the surface pressure acting on the gate (5) by the powder. In consideration of the force for moving the powder away, the power is sufficient.
  • the briquette machine can include an inverter (10) that changes the vertical movement speed of the electric cylinder (6).
  • the reason for adjusting the vertical movement speed of the gate is as follows. This is because the force for moving the gate up and down differs depending on the properties of the powder, and it is preferable to change the vertical movement speed of the gate depending on the powder to be granulated. Also, if the vertical movement speed of the gate is too slow, it will not be possible to follow fluctuations in the granulation properties of the raw material, and if it is too fast, the vertical movement may be repeated like hunting. Furthermore, if the moving speed is too high, devices such as a gate may be damaged. This is because it is necessary to set an appropriate speed that is neither too fast nor too slow. Further, for example, the device can be prevented from being damaged by changing the speed according to the moving direction, such as fast when lowering and slowing when raising.
  • the measuring unit includes a hydraulic cylinder (8) on the movable side of the bearing block (2). Furthermore, the load cell (9) that measures the pressure applied to the rolls (1) and (1), and the ammeter (11) that measures the current value of the drive motor (12) of the rolls (1) and (1) are provided. Measure operating conditions. Note that both the pair of bearing blocks (2) and (2) may be movable, and each bearing block (2) and (2) may be provided with a hydraulic cylinder (8). The hydraulic cylinder (8) can be interlocked with the load cell (9).
  • load cells (9) and ammeters (11) are used as an operating state measuring instrument to determine the amount of powder supplied from the supply unit to the granulation unit based on the load acting on the rolls (1) and (1). Used to adjust. When the pressure applied to the rolls (1) and (1) becomes higher than a predetermined value, the gate (5) is lowered, the gap between the gate (5) and the roll (1) is narrowed, and the powder supplied to the granulation part Reduce the amount. Conversely, when the pressure applied to the rolls (1) and (1) is lower than a predetermined value, the gate (5) is raised, the gap between the gate (5) and the roll (1) is widened, and supplied to the granulation unit. Increase the amount of powder.
  • the gate (5) When the current value of the drive motor (12) becomes higher than a predetermined value, the gate (5) is lowered, the gap between the gate (5) and the roll (1) is narrowed, and the powder supplied to the granulation part Reduce the amount. Conversely, when the current value of the drive motor (12) becomes lower than a predetermined value, the gate (5) is raised, the gap between the gate (5) and the roll (1) is widened, and the powder supplied to the granulation unit Increase the amount of. Only the load cell (9) or the ammeter (11) may be provided. On the other hand, when both are provided, the roll pressing force and the load for driving the roll can be set within a predetermined range, and a granulated product with more stable quality can be produced. In addition, for example, when the load cell (9) and the ammeter (11) indicate conflicting data, the reliability of the measurement unit can be improved, for example, by issuing an alarm to alert the operator.
  • the bearing block (2) on the movable side is pushed by the hydraulic cylinder (8), and the rolls (1) and (1) are brought into close contact with each other with an appropriate pressure.
  • the rolls (1) and (1) are rotated by the drive motor (12). Thereby, it enters between the rolls (1) and (1) where the powder rotates from the hopper (4), and the powder is pressed and consolidated by the pressure between the rolls (1) and (1).
  • the pressure applied by the rolls (1) and (1) is measured by the load cell (9).
  • the current value of the drive motor (12) that rotationally drives the rolls (1) (1) is also measured by the ammeter (11).
  • the gate (5) is moved up and down to adjust the amount of powder supplied between the rolls (1) and (1).
  • the relationship between the gate height and the roll pressure that is, the measured value of the load cell (9) is examined, and the range of the gate height that can adjust the raw material supply amount is determined. Examined.
  • the roll pressing force is measured, and the gate height is controlled based on the roll pressing force, whereby granulation can be performed with a certain range of roll pressing force. This makes it possible to stabilize the granulation quality.
  • the height adjustment suitable for the raw material whose granulating property changes during granulation can be performed.
  • FIG. 3 is a schematic cross-sectional view of a vertical plane parallel to the roll axis in the vicinity of the gate tip adjustment mechanism as one embodiment of the present invention.
  • the gate tip adjustment mechanism is a plate-like structure that acts as a gate (5).
  • the gate tip adjusting mechanism includes a T-shaped plate (13) and side plates (14) and (14).
  • the T-shaped plate (13) moves up and down by a rod of the electric cylinder (6) or a drive shaft connected to the rod.
  • the lower end side (the end close to the roll (1)) of the T-shaped plate (13) has a T-shape in which the central portion projects downward from both end portions.
  • the width relationship between the central portion and both end portions is not particularly limited, and each may be set to one third of the width of the gate (5), or both end portions may be set to one third with respect to the central portion. It is good also as each, and it is good also considering each both ends as 1/2 with respect to a center part, and it is good also as a double each with respect to a center part, and the ratio between these may be sufficient.
  • Side plates (14) and (14) are overlapped on both ends of the T-shaped plate (13) and fastened by a fastening member such as a bolt. In many cases, the lower ends of the side plates (14) and (14) project downward from the lower ends of both ends of the T-shaped plate (13).
  • the bolt holes of the T-shaped plate (13) or the side plates (14) and (14) are long holes in the vertical direction, and the stacked side plates (14) and (14) are vertically aligned with respect to the T-shaped plate (13). It can be moved to. Therefore, the length that the lower ends of the side plates (14) and (14) project downward from the lower ends of both ends of the T-shaped plate (13), that is, the gap between the center portion of the gate (5) and the roll (1), and both ends. The size of the gap between the parts can be changed. However, it is better not to project downward from the lower end of the central portion of the T-shaped plate (13).
  • the fastening of the T-shaped plate (13) and the side plates (14) and (14) so as to be movable in the vertical direction is not limited to the combination of the bolt and the long hole, and may be another known configuration.
  • a gate tip adjusting mechanism that is, a T-shaped plate (13) and side plates (14), (14) is used as the gate (5)
  • the gap between the gate (5) and the roll (1) is easily passed through the central portion.
  • the side plates (14) and (14) are movable in the vertical direction with respect to the T-shaped plate (13), a suitable length in which the central portion projects downward from both end portions, that is, the supplied powder. It is possible to change the difference between the gap between the center portion and both end portions where the body amount can be easily adjusted. Therefore, the amount of the supplied powder can be adjusted appropriately.
  • the gate tip adjusting mechanism is used to make the gate (5) T-shaped with the central portion extending downward from both ends, but the gate (5) is a single plate and is T-shaped. It may be formed in a shape.
  • the gate (5) is arranged and moved in the vertical direction, but the gate (5) may be arranged and moved at an angle of, for example, about 15 ° from the vertical axis. Good. However, it is easier to hang from the gate lifting / lowering device frame (7) or the like when moving in the vertical direction.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Glanulating (AREA)
  • Food Science & Technology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
PCT/JP2014/068990 2013-08-20 2014-07-17 ブリケットマシン WO2015025645A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2014310051A AU2014310051B2 (en) 2013-08-20 2014-07-17 Briquetting machine
JP2015532766A JP6256473B2 (ja) 2013-08-20 2014-07-17 ブリケットマシン
GB1604358.0A GB2537229B (en) 2013-08-20 2014-07-17 Briquette machine
KR1020167006672A KR20160044519A (ko) 2013-08-20 2014-07-17 브리켓 머신
CN201490000121.XU CN204365239U (zh) 2013-08-20 2014-07-17 成型机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-170159 2013-08-20
JP2013170159 2013-08-20

Publications (1)

Publication Number Publication Date
WO2015025645A1 true WO2015025645A1 (ja) 2015-02-26

Family

ID=52483427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/068990 WO2015025645A1 (ja) 2013-08-20 2014-07-17 ブリケットマシン

Country Status (6)

Country Link
JP (1) JP6256473B2 (ko)
KR (1) KR20160044519A (ko)
CN (1) CN204365239U (ko)
AU (1) AU2014310051B2 (ko)
GB (1) GB2537229B (ko)
WO (1) WO2015025645A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11246330B2 (en) * 2018-01-26 2022-02-15 Chris Deakin System and method for flaking

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136431A (ja) * 1984-12-07 1986-06-24 Hitachi Ltd 造粒機の制御方法および装置
JPS62252699A (ja) * 1986-04-25 1987-11-04 Mitsubishi Chem Ind Ltd 粉粒体圧縮装置の定負荷運転方法
JPH0655299A (ja) * 1992-08-07 1994-03-01 Sintokogio Ltd ブリケットマシン
JPH09192896A (ja) * 1996-01-19 1997-07-29 Sintokogio Ltd ブリケットマシン
JP2009095712A (ja) * 2007-10-15 2009-05-07 Furukawa Industrial Machinery Systems Co Ltd 粉体造粒装置およびフィードホッパ
JP2009095714A (ja) * 2007-10-15 2009-05-07 Furukawa Industrial Machinery Systems Co Ltd 粉体造粒装置およびフィードホッパ

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Publication number Priority date Publication date Assignee Title
DE1928176C3 (de) * 1969-06-03 1974-05-16 Maschinenfabrik Koeppern & Co Kg, 4320 Hattingen Walzenbrikettpresse zum Heißverpressen von Kohle, Erzen und ähnlichen Stoffen
JPS51107572A (ja) * 1975-03-17 1976-09-24 Shinto Baauindo Kk Katamochishikidabururoorugataburiketsutomashin
JPS5398301A (en) * 1977-02-08 1978-08-28 Nippon Steel Corp Molding of highly viscous material with rolls
JP2000063910A (ja) * 1998-08-14 2000-02-29 Ishikawajima Harima Heavy Ind Co Ltd 粉末圧延機
JP2000063911A (ja) * 1998-08-14 2000-02-29 Ishikawajima Harima Heavy Ind Co Ltd 粉末圧延機
JP4174872B2 (ja) * 1998-09-28 2008-11-05 株式会社Ｉｈｉ 粉末圧延機
JP2014050844A (ja) * 2011-02-28 2014-03-20 Sintokogio Ltd ブリケットマシン
JP2014050845A (ja) * 2011-02-28 2014-03-20 Sintokogio Ltd ブリケットマシン
JP5929787B2 (ja) * 2013-03-07 2016-06-08 Ｊｆｅスチール株式会社 塊成体の製造装置およびその制御方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61136431A (ja) * 1984-12-07 1986-06-24 Hitachi Ltd 造粒機の制御方法および装置
JPS62252699A (ja) * 1986-04-25 1987-11-04 Mitsubishi Chem Ind Ltd 粉粒体圧縮装置の定負荷運転方法
JPH0655299A (ja) * 1992-08-07 1994-03-01 Sintokogio Ltd ブリケットマシン
JPH09192896A (ja) * 1996-01-19 1997-07-29 Sintokogio Ltd ブリケットマシン
JP2009095712A (ja) * 2007-10-15 2009-05-07 Furukawa Industrial Machinery Systems Co Ltd 粉体造粒装置およびフィードホッパ
JP2009095714A (ja) * 2007-10-15 2009-05-07 Furukawa Industrial Machinery Systems Co Ltd 粉体造粒装置およびフィードホッパ

Also Published As

Publication number Publication date
JPWO2015025645A1 (ja) 2017-03-02
CN204365239U (zh) 2015-06-03
JP6256473B2 (ja) 2018-01-10
KR20160044519A (ko) 2016-04-25
AU2014310051A1 (en) 2016-03-10
GB2537229A (en) 2016-10-12
AU2014310051B2 (en) 2017-08-31
GB2537229B (en) 2018-09-26
GB201604358D0 (en) 2016-04-27

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