WO2014041586A1 - Appareil pour broyer une substance particulaire et installation pour fabriquer une substance particulaire - Google Patents

Appareil pour broyer une substance particulaire et installation pour fabriquer une substance particulaire Download PDF

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Publication number
WO2014041586A1
WO2014041586A1 PCT/JP2012/005897 JP2012005897W WO2014041586A1 WO 2014041586 A1 WO2014041586 A1 WO 2014041586A1 JP 2012005897 W JP2012005897 W JP 2012005897W WO 2014041586 A1 WO2014041586 A1 WO 2014041586A1
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WO
WIPO (PCT)
Prior art keywords
particulate matter
rotary
grinding
raw material
blast rotor
Prior art date
Application number
PCT/JP2012/005897
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English (en)
Japanese (ja)
Inventor
隆人 賀谷
Original Assignee
コトブキ技研工業株式会社
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 コトブキ技研工業株式会社 filed Critical コトブキ技研工業株式会社
Priority to JP2014533292A priority Critical patent/JP5688489B2/ja
Priority to PCT/JP2012/005897 priority patent/WO2014041586A1/fr
Priority to CN201280075801.3A priority patent/CN104619463B/zh
Publication of WO2014041586A1 publication Critical patent/WO2014041586A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
    • B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
    • B02C19/005—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) the materials to be pulverised being disintegrated by collision of, or friction between, the material particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/02—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/26—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by barrel cages, i.e. tumblers; Gimbal mountings therefor
    • B24C3/30—Apparatus using impellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

Definitions

  • the present invention relates to an apparatus for grinding granular material and a plant for producing granular material, which grinds granular materials such as various aggregates and soil by shot blasting.
  • ⁇ a> A “re-crushing method” in which crushing is repeated several times using a centrifugal crusher (Patent Document 1).
  • ⁇ B> A “abrasion method” in which a concrete glazing supplied between the circumferential surfaces of a vertical or horizontal double rotary drum is mechanically abraded and machined under strong pressure (Patent Document 2).
  • ⁇ C> A “ball mill method” in which the inside of the drum is partitioned by a plurality of rotary partition plates to form a plurality of grinding chambers, and the aggregate is ground by metal balls loaded in the grinding chambers (Patent Document 3).
  • ⁇ D> A “shot blast method” in which abrasive grains are allowed to collide with dropped aggregate (Patent Document 4).
  • the conventional particulate material production techniques have the following problems.
  • the aggregate is broken due to repeated collisions between the aggregates, and the recovery rate of the recycled aggregate of 5 mm or more becomes extremely poor, and further, the crushing is crushed There is a problem that the collected aggregate becomes a powdery waste and a large amount is generated.
  • Patent Documents 2 and 3 it takes a very large amount of time to remove the deposit because the crushing action and the grinding action are small.
  • the present invention has been made in view of the above points, and an object of the present invention is to provide at least one of the following granular material grinding apparatus and granular material production plant.
  • Abrasive grains can be uniformly collided with the whole of the particulate matter to perform efficient grinding.
  • ⁇ 3> Abrasive grains can be finally polished and recovered as high-quality reclaimed sand.
  • the present invention is an apparatus for grinding particulate matter that produces particulate matter from a raw material containing particulate matter, wherein the blast rotor discharges abrasive grains by centrifugal force by rotation, and the rotary sorting that rotatably accommodates the blast rotor.
  • Abrasive particles are discharged from the blast rotor toward the end and shot blasted.
  • a reflux system may be further included, and a part of the particulate matter sorted by the rotary sorting machine may be supplied to the abrasive particle supply system as abrasive particles through the reflux system.
  • a dust collector may be further included, and the dust collector may be configured to suck and recover suspended solids such as fine powder and dust that float in the rotary sorting machine.
  • the end of the tube guided in the blast rotor is such that the blast rotor can release abrasive particles towards the raw material containing particulate matter located in a limited effective range in the rotary sorter.
  • the abrasive grains may be configured to be discharged into the blast rotor through the partial discharge port formed on the side surface.
  • a particulate matter production plant for producing particulate matter from a raw material containing particulate matter, wherein the apparatus for sorting regenerated aggregate is disposed adjacent to any of the aforementioned particulate matter abrading devices.
  • the sorting apparatus may further include a dust collector, and the dust collector may be configured to suck and recover suspended matters such as fine powder and dust that float in the sorting apparatus.
  • the present invention has at least one of the following effects.
  • the abrasive grains can be uniformly collided toward the entire granular material spreading and staying in layers in the rotary sorting machine, so efficient grinding is performed. it can.
  • a part of the particulate matter separated by the grinding apparatus can be refluxed through a reflux system to be effectively utilized as abrasive grains.
  • the abrasive grains are finally polished and can be recovered as high-quality reclaimed sand.
  • the probability that the aggregate itself is crushed and shredded is high if the raw materials collide with each other at high speed, but in the present invention, polishing with a small mass (diameter) is carried out Since the particles collide with the large mass (diameter) raw material, the recycled aggregate is not crushed more than necessary. Therefore, the production efficiency of the recycled aggregate of 5 mm or more is improved, and the powderization of the recycled aggregate can be avoided to avoid the problem of the generation of a large amount of powdered waste. Even when particulate matter such as ⁇ 5> aggregate or soil is contaminated, contaminants adhering to the surface can be removed by grinding and efficiently decontaminated. ⁇ 6> By attaching a dust collector to the sorting device or the grinding device, suspended matter such as fine powder or dust, or a contaminant, which flies in the sorting device or the grinding device can be efficiently sucked and collected.
  • Embodiment 1 Hereinafter, Embodiment 1 of the present invention will be described in detail with reference to the drawings.
  • the particulate matter is aggregate, and a mode of producing regenerated aggregate from a raw material containing the aggregate will be described.
  • the production plant for particulate matter comprises an attritor 10 for producing regenerated aggregate from a raw material A including the aggregate, and the attritor 10 And a sorting device 50 for sorting the recycled aggregate according to the particle size.
  • Raw material A used for the production of recycled aggregate is obtained by crushing concrete waste material and asphalt generated at various sites with a known crusher to a size of 100 mm or less (preferably 40 mm to 0 mm). Deposits such as mortar adhere to the surface of the material and fine aggregate.
  • the major devices will be described in detail below.
  • the grinding device 10 is a device that removes deposits such as mortar attached to the surface by shot blasting without destroying the aggregate, and is a blast rotor that rotates in one direction around a horizontal rotation axis. 20, a cylindrical rotary sorter 30 which houses the blast rotor 20 inside and rotates in the opposite direction or the same direction as the blast rotor 20 about a virtual rotational axis which is transversely oriented, and a cover 40 covering these Equipped with
  • FIG. 1 illustrates the case where the blast rotor 20 and the rotating and sorting machine 30 rotate horizontally, the blast rotor 20 and the rotating and sorting machine 30 also include the case where the blast rotor 20 and the rotating and sorting machine 30 rotate slightly inclined to the horizontal.
  • the rotation center O 2 of the blast rotor 20 is disposed eccentrically upward with respect to the rotation center O 1 of the rotation sorting machine 30.
  • Was made eccentric to the rotation center O 2 of the blast rotor 20 is to secure wider grinding ⁇ between S under the rotary sorter 30.
  • the two may be arranged on the same line without eccentricity.
  • the blast rotor 20 is a horizontal rotary drum that discharges hard abrasive grains B by centrifugal force. Referring to FIGS. 3 and 4, the blast rotor 20 is formed into a drum shape by being surrounded by the substrate 21 and the top plate 22 and the peripheral plate 23 connecting their peripheral portions, It is also possible to substitute by a rotating rotor that constitutes a centrifugal crusher.
  • a rotating shaft 24 is fixed at the center of the top plate 22.
  • the blast rotor 20 rotates integrally as the rotating shaft 24 rotates in response to the rotation of a drive source (a motor or the like) not shown.
  • Blast rotor 20 forms a supply port 25 to the center of the top plate 22, the end of the fixed tube 13 constituting the abrasive supply line L 2 to the supply port 25 is guided.
  • the abrasive grains B are supplied to the inside of the blast rotor 20 through the pipe 13, and the abrasive grains B which have received the rotational centrifugal force of the blast rotor 20 are formed at high speed outward through the plurality of outlets 26 formed on the peripheral surface of the blast rotor 20. Can be released by
  • abrasive grains B can be released toward the raw material A located in the limited effective range ⁇ in the rotary sorting machine 30, loss of shot blast is avoided and the rotary sorting is performed. Damage to the machine 30 can be avoided.
  • a portion formed on the side of the end of the tube 13 guided in the blast rotor 20 It is possible to discharge the abrasive grains B into the blast rotor 20 through the discharge port 14.
  • the discharge range of the abrasive grains B directed to the raw material A positioned in the rotary sorting machine 30 through the plurality of discharge ports 26 formed on the circumferential surface of the blast rotor 20 is adjusted can do.
  • the limited effective range (theta) is not limited to the lower half in the rotation sorter 30 illustrated in FIG. 2, The range can be set suitably.
  • the blast rotor 20 may be configured to release the abrasive grains B in the range of 360 degrees.
  • the rotary sorter 30 is an apparatus for sorting while grinding the raw material A in cooperation with the blast rotor 20, and the circumferential surface is open.
  • a both-end open type rotary cylinder 31 having a structure and a driving means for rotationally driving the rotary cylinder 31 are provided, and for example, a known trommel can be used.
  • the rollers 32 that rotate by receiving a drive of a motor (not shown) support the outer circumferences of both sides of the rotating cylinder 31 placed horizontally, and the rotating cylinder 31 receives the driving of the roller 3 and centers around a virtual rotation axis in the horizontal direction. Rotate in the direction or forward or reverse direction.
  • An opening group of 5 mm is formed on the circumferential surface of the rotary cylinder 31 so that the raw material A introduced into the rotary cylinder 31 can be sieved. That is, the rotary cylinder 31 transmits the raw material A having a size smaller than 5 mm and the abrasive grains B, and the raw material A having a size larger than 5 mm remains.
  • the outer side of the rotary sorting machine 30 accommodating the blast rotor 20 is covered with a cover 40 to prevent the raw material A and the abrasive grains B from scattering to the outside.
  • a part of the cover 40 is formed in a funnel shape to form a collection hopper 41.
  • the cover 40 is not essential and may be omitted.
  • the sorting device 50 is a device for sorting the recycled aggregate produced by the grinding device 10 according to size, and is a rotary device provided adjacent to the grinding device 10.
  • a sorter 60, a cover 70 covering the rotary sorter 60, and a dust collector 80 for sucking and recovering dust generated in the rotary sorter 60 are provided.
  • the aggregate is sorted by size by the cylindrical rotary sorter 60, but even if it is replaced with the rotary sorter 60, a known sorter such as a vibrating screen or an air sorter may be applied. Good.
  • the rotary sorter 60 is a device for sorting recycled aggregate according to size, and has an open-ended rotary cylinder 61 whose peripheral surface has an open structure, and rotationally drives the rotary cylinder 61.
  • Drive means for example, known tromels can be used.
  • the rollers 62 that rotate by receiving a drive of a motor (not shown) support the outer circumferences of both sides of the rotating cylinder 61 placed horizontally, and the rotating cylinder 61 receives the driving of the rollers 62 and has one centering on a virtual rotation axis in the horizontal direction. Rotate in the direction.
  • a plurality of types of openings having different sizes are formed on the circumferential surface of the rotating cylinder 61, so that the recycled aggregate introduced into the rotating cylinder 61 can be sieved in a predetermined size range. That is, the mesh size of the circumferential surface of the rotary cylinder 61 is formed so as to gradually increase from the side close to the sorting device 50 to the side away from the side.
  • three kinds of fine grain size (13 mm to 5 mm) area E 1 , medium grain size (20 mm to 13 mm) area E 2 , and coarse grain size (40 mm to 20 mm) area E 3 in the rotation cylinder 61 are selected. Although the areas are formed, the number of these sorting areas is appropriately selected and determined.
  • the outer side of the rotary sorting machine 60 is covered with a cover 70 to prevent the re-aggregate from scattering to the outside.
  • a part of the cover 70 is formed in a funnel shape to form collection hoppers 71-73.
  • the collection hoppers 71 to 73 are for separating and collecting the recycled aggregate sorted in the sorting areas E 1 to E 3 .
  • the dust collector 80 is equipped with a negative pressure suction facility, and floating matter such as fine powder and dust that flies in the rotary sorting device 60 through the pipe 81 connecting between the inside of the rotary sorting device 60 and the dust collector 80 Can be aspirated and recovered.
  • the grinding apparatus 10 is a raw material supply system L 1 for supplying the raw material A from the hopper 11 into the rotary sorting apparatus 30 and polishing for supplying the abrasive grains B from the hopper 12 to the blast rotor 20.
  • Grain feed line L 2 Reflux line L 3 for supplying a part of the regenerated fine aggregate (regenerated sand) sorted by the rotary sorting device 30 to the abrasive grain supply line L 2 as abrasive grains B, and raw material supply line It connects between L 1 and abrasive grain supply system L 2 so as to be switchable, and comprises an initial abrasive grain supply system L 4 for supplying a part of raw material A as abrasive grains B toward abrasive grain supply system L 2 ing.
  • material supply system raw material supply line L 1 is drives out concrete Gala a known crusher is a system for supplying the crushed material was crushed, for example, in the following sizes 40mm to rotary sorter 30.
  • the crushed material of the concrete glar includes coarse aggregate and fine aggregate which are raw materials of the recycled aggregate, and the attached material is removed by shot-blasting from the blast rotor 20 in the rotary sorting machine 30.
  • supply system abrasive supply system L 2 of the abrasive particles is a system for supplying continuous abrasive B toward the hopper 12 to the blast rotor 20.
  • the initial abrasive particle supply system L 4 uses a part of the raw material A in the hopper 11 as abrasive particles B immediately after the start of operation of the grinding device 10 in which the abrasive particles B are not stored in the hopper 12. is temporarily supplied line towards 2, the supply of the raw material a to the abrasive supply system L 2 through the initial abrasive supply system L 4 are when the abrasive particles B of a predetermined amount into hopper 12 stored Stop.
  • the reflux system L 3 is a system for taking out a part of the recycled aggregate sorted by the rotary sorter 30 and supplying the abrasive grains B toward the blast rotor 20. A part of the regenerated fine aggregate (regenerated sand) suitable for polishing among the regenerated aggregate sorted by the rotary sorter 30 can be returned to the hopper 12.
  • the abrasive grains B are sprayed at a high speed toward the raw material A rolling in the rotating cylinder 31, so that efficient crushing and grinding progress, and the fine particle regenerated aggregate and the coarse particle regenerated aggregate from the material A Is produced.
  • the shot blasting with the abrasive grains B is performed on the whole of the raw material A which continues to stay in a thinly spread state along the inner peripheral surface of the rotary cylinder 31 of the rotary sorting machine 30, so the attached matter such as mortar component is efficiently It can be removed well in a short time.
  • the shot blasting time is appropriately selected while confirming the grinding condition of the raw material A.
  • the broken mortar component, a part of the fine-grained recycled aggregate, and the abrasive grains B permeate through the peripheral surface of the rotary cylinder 31 and fall by their own weight, and coarse particles larger than the opening of the peripheral surface of the rotary cylinder 31
  • the recycled aggregate remains in the rotary cylinder 31.
  • (A) to (c) of FIG. 6 show the grinding action by the abrasive grains B, and the raw material A contains the coarse aggregate c1 such as gravel and the fine aggregate c2 such as sand.
  • the abrasive grains B collide with A the mortar component is broken and separated into small pieces.
  • the attached matter such as mortar component attached to the surface of the separated small pieces is efficiently removed in a short time, and the coarse aggregate c1 and the fine aggregate c2 having no attached matter are produced. Be done.
  • the probability that the aggregate itself is crushed and shredded becomes high, but if the abrasive particles B having a small mass (diameter) collide with the raw material A having a large mass (diameter),
  • the recycled aggregate does not break up more than necessary. Therefore, the production efficiency of the recycled aggregate (coarse-grained aggregate c1) of 5 mm or more is improved, and the powderization of the recycled aggregate can be avoided to avoid the problem of the generation of a large amount of powdery waste.
  • Sorting Process of Recycled Aggregate In FIG. 1 and FIG. 5, all the recycled aggregate remaining after being ground by the grinding device 10 is transferred to the sorting device 50, and the recycled aggregate is removed by the sorting device 50. Sort by size. In this example, the recycled aggregate was sorted into three types of fine particle size (for example, 13 mm to 5 mm), medium particle size (for example, 20 mm to 13 mm), and coarse particle size (for example 40 mm to 20 mm) by the sorting device 50 Indicates the form.
  • fine particle size for example, 13 mm to 5 mm
  • medium particle size for example, 20 mm to 13 mm
  • coarse particle size for example 40 mm to 20 mm
  • spiral blades are formed on the inner peripheral surface of the rotary cylinder 31 constituting the grinding device 10, and the raw material is polished for each batch.
  • the rotary cylinder 31 can be reversed to transfer the recycled aggregate to the sorting device 50, or can be transported through various known conveyors interposed between the grinding device 10 and the sorting device 50.
  • the means for conveying the regenerated aggregate from the grinding device 10 to the sorting device 50 is not particularly limited.
  • polishing grains reflux Figure 1 a portion of the recycled aggregate of less than 5mm separated by grinding unit 10 (reproduction sand), and returned to the hopper 12 through the reflux line L 3, continuous abrasive Use as B.
  • the abrasive grains B themselves are polished and become a high quality regenerated aggregate (regenerated sand).
  • the dust collector 80 is attached to the sorting device 50. However, the dust collector 80 is attached to the grinding device 10, and dusts and dusts are scattered in the rotary sorting machine 30 of the grinding device 10.
  • the floating matter such as may be suctioned and recovered.
  • the sorting device 50 is not limited to a dry type, and may be a wet type.
  • a known water spray facility is additionally provided inside the rotary sorting machine 60 to sprinkle water on the particulate matter inside, or the bottom of the rotary sorting machine 60 is flooded to By a known method such as pickling.
  • either dry or wet may be used appropriately.
  • the polluted concrete shells are crushed to a size of a predetermined size or less (for example, 40 mm to 0 mm) with a known crusher, or the contaminated soil is used as the raw material A, and the rotation of the grinding device 10 is performed.
  • the abrasive grains B are sprayed at high speed from the blast rotor 20 into the grinding space S while being supplied toward the grinding space S in the sorting device 30.
  • the particles on the surface of the granular material are polished by shot blasting the abrasive granules B against the contaminated granular material. It can be crushed and efficiently decontaminated. Contaminants integrated with dust will float in the space of the sealed sorting device 50, but will be suctioned and collected by the dust collector 80 through the pipe 81.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne une installation de fabrication et un appareil pour meuler un agrégat recyclé dans lequel des grains abrasifs sont amenés à entrer uniformément en collision avec la totalité du matériau de départ. L'appareil comprend un rotor de soufflage (20) pour décharger les grains abrasifs (B) au moyen d'une force centrifuge induite par rotation, et un dispositif de triage rotatif (30) pour recevoir le rotor de soufflage (20) de manière rotative. Les grains abrasifs (B) sont déchargés à partir du rotor de soufflage (20) vers un matériau de départ (A) maintenu dans le dispositif de triage rotatif (30) de façon à soumettre le matériau de départ granulaire à un grenaillage.
PCT/JP2012/005897 2012-09-14 2012-09-14 Appareil pour broyer une substance particulaire et installation pour fabriquer une substance particulaire WO2014041586A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014533292A JP5688489B2 (ja) 2012-09-14 2012-09-14 粒状物質の磨砕装置および粒状物質の生産プラント
PCT/JP2012/005897 WO2014041586A1 (fr) 2012-09-14 2012-09-14 Appareil pour broyer une substance particulaire et installation pour fabriquer une substance particulaire
CN201280075801.3A CN104619463B (zh) 2012-09-14 2012-09-14 粒状物质的磨碎装置和粒状物质的生产设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/005897 WO2014041586A1 (fr) 2012-09-14 2012-09-14 Appareil pour broyer une substance particulaire et installation pour fabriquer une substance particulaire

Publications (1)

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WO2014041586A1 true WO2014041586A1 (fr) 2014-03-20

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JP (1) JP5688489B2 (fr)
CN (1) CN104619463B (fr)
WO (1) WO2014041586A1 (fr)

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JP2014109560A (ja) * 2012-12-04 2014-06-12 Shimizu Corp 汚染コンクリート塊の除染処理方法および装置
JP2014109559A (ja) * 2012-12-04 2014-06-12 Shimizu Corp 汚染コンクリート塊の除染処理方法および装置
JP2016074042A (ja) * 2014-10-02 2016-05-12 コトブキ技研工業株式会社 粒状物質の磨砕装置
JP2017206424A (ja) * 2016-05-20 2017-11-24 株式会社ナベカヰ 大型建築物解体現場における廃コンクリート再生工法

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CN110898960B (zh) * 2019-11-20 2023-07-28 华侨大学 基于抛喷丸破碎废弃混凝土制备高品质再生骨料的系统
CN110921356A (zh) * 2019-11-28 2020-03-27 福建南方路面机械有限公司 一种称重给料装置及物料处理系统
CN110833926A (zh) * 2019-11-28 2020-02-25 福建南方路面机械有限公司 一种喷磨材的制备装置和方法

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JP2011111342A (ja) * 2009-11-25 2011-06-09 Kotobuki Giken Kogyo Kk 磨鉱装置及び再生骨材の生産方法

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* Cited by examiner, † Cited by third party
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JP2014109560A (ja) * 2012-12-04 2014-06-12 Shimizu Corp 汚染コンクリート塊の除染処理方法および装置
JP2014109559A (ja) * 2012-12-04 2014-06-12 Shimizu Corp 汚染コンクリート塊の除染処理方法および装置
JP2016074042A (ja) * 2014-10-02 2016-05-12 コトブキ技研工業株式会社 粒状物質の磨砕装置
JP2017206424A (ja) * 2016-05-20 2017-11-24 株式会社ナベカヰ 大型建築物解体現場における廃コンクリート再生工法

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