WO1999059932A1 - Broyeuse de ciment - Google Patents

Broyeuse de ciment Download PDF

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Publication number
WO1999059932A1
WO1999059932A1 PCT/JP1998/002238 JP9802238W WO9959932A1 WO 1999059932 A1 WO1999059932 A1 WO 1999059932A1 JP 9802238 W JP9802238 W JP 9802238W WO 9959932 A1 WO9959932 A1 WO 9959932A1
Authority
WO
WIPO (PCT)
Prior art keywords
cement
grinding
raw material
gap
plate
Prior art date
Application number
PCT/JP1998/002238
Other languages
English (en)
Japanese (ja)
Inventor
Hiromi Yamamoto
Original Assignee
Hiromi Yamamoto
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 Hiromi Yamamoto filed Critical Hiromi Yamamoto
Priority to AU74497/98A priority Critical patent/AU7449798A/en
Priority to PCT/JP1998/002238 priority patent/WO1999059932A1/fr
Publication of WO1999059932A1 publication Critical patent/WO1999059932A1/fr

Links

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
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/08—Crushing or disintegrating by disc mills with coaxial discs with vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/12—Shape or construction of discs

Definitions

  • the present invention relates to a cement grinding apparatus used for grinding raw material cement in order to obtain ground cement used as a concrete material when producing highly fluid concrete.
  • cement used for fluid concrete for example, ordinary cement (Portland cement, etc.) is used alone as admixture (fly ash, blast furnace slag fine powder, limestone fine powder, silica fume, etc.).
  • admixture for example, two-component cements and three-component cements that are mixed or mixed with admixtures from the beginning. These admixtures have improved fluidity and are capable of producing concrete with high density and high durability.
  • the high-speed airflow impact device When supplied to the raw material cement colliding collision chamber, the high-speed airflow impact device scatters while rotating in the raw material culling collision chamber due to the rotation of the rotating plate and the blade attached thereto.
  • the blades were configured to repeatedly collide between the blades and a large number of grooves provided on the surface of the stay. Therefore, by using this apparatus, it was possible to obtain cement fine particles which became spherical due to the angular force of the outer peripheral surface being 5.
  • this high-speed airflow impact device has a structure in which the ring-shaped stay holds the ring-shaped collision chamber and surrounds the rotating plate. For this reason, it is necessary to machine the ring-shaped stator into an annular shape, which increases the size of the device and increases the manufacturing cost.
  • the raw material cement is scattered and made spherical by the impact of the collision between the groove and the blade, it is difficult to obtain a polishing action by rubbing of the raw material cement there. For this reason, the raw material cement must be scattered at a high speed and the processing time needs to be long, so that there has been a problem that working efficiency cannot be improved.
  • the present invention has been made to solve the above-mentioned conventional problems, and the raw cement is ground between a pair of grinding plates arranged axially facing each other.
  • the grinding cement has a simple structure, but is efficient, and the cement particles are rounded and miniaturized.
  • the purpose is to provide a cement grinding device that can be processed into a single piece. Disclosure of the invention
  • the rotating grinding plate connected to the rotary driving device and the fixed grinding plate fixed to the machine frame keep a gap therebetween in the axial direction of the rotating grinding plate.
  • a supply hole for the raw material cement communicating with the gap is formed in one of the grinding plates, and at least a protruding portion is provided on the facing surface of the rotary grinding plate.
  • the fixed grinding plate can also be provided with a protruding portion.
  • the rotary grinding plates connected to the rotary driving device are arranged so as to oppose each other in the axial direction of the rotary grinding plate so as to keep the gap so that the rotation direction is reversed.
  • a supply hole for the raw material cement communicating with the gap is formed in one of the milling plates, and a protruding portion is provided on at least one of the rotating milling plates in a facing surface. In this case, a projection can be provided on each of the rotary grinding plates.
  • the raw material cement is supplied from the supply hole while the rotary grinding plate is rotated by the rotary driving device.
  • the raw material cement flows into the gap, where it is swirled by the projections provided on the rotary milling plate, moves in the circumferential direction, and is ground by the centrifugal force while moving in the outer circumferential direction. That is, during this movement, the cement particles are polished by the rubbing of the cement particles due to the rotation of the crushing plate, and are crushed by the impact by colliding with the protrusions. It is discharged from the outer periphery of the gap as crushed cement.
  • the cement particles have rounded corners.
  • the cement particles are miniaturized by the angular force of the cement particles, and are further miniaturized by the removed corners and cracks of the cement particles. Therefore, since the cement particles are rounded, the fluidity can be improved by the bearing effect.
  • the particle diameter of the cement particles is reduced as a whole, the voids between the particles are reduced, and the actual volume ratio is improved. As a result, it is possible to reduce the unit water volume, improve the specificity of the concrete, and obtain a high-density, fine, highly durable concrete.
  • a pair of grinding plates are arranged to face each other in the axial direction.
  • a portland cement system containing a cement clinker having a specific surface area of more than 2000 cm 2 Zg ordinary portland cement, early-strength portland cement, ultra-high-strength portland cement, moderate heat Portland cement, including the sulfate resistance por Bok land cement
  • the specific surface area of 2 0 0 0 cm 2 / gl ⁇ mixed cementitious containing the cement clinker Lh blast furnace cement, fly ash cement, silica Special cement (including alumina cement and ultra-hard cement) can be used.
  • the ground cement obtained by grinding the raw material cement once or a plurality of times may be used alone, or a mixture of the above-mentioned cements may be used again as the raw material cement.
  • the raw material cement can be used after being heated to 150 ° C. to 140 ° C., and in this case, the grinding of the raw material cement is promoted, and efficient processing can be performed.
  • the orientation of the two grinding plates there are a mode in which the plates are vertically opposed, a mode in which the plates are horizontally opposed, and a mode in which the plates are obliquely arranged.
  • the gap formed between the two grinding plates may be formed in a flat shape, a conical shape, or a spherical shape.
  • an air blowing hole for blowing air into the gap is formed in one of the grinding plates.
  • the air blow hole may be used as a supply hole for raw cement, or may be formed on one of the grinding plates separately from the supply hole for raw cement.
  • the discharge amount can be adjusted by increasing or decreasing the blowing amount.
  • the protruding portion a mode in which this is a mesh body stretched on the opposing surface, a mode in which it is a number of protruding bodies protruding on the opposing surface, a combination of the net and the protruding body
  • the protrusions include protrusions or ridges, and combinations of protrusions and ridges.
  • the protruding portion includes a protruding portion formed such that the protruding height H is equal to or less than half (H ⁇ 2L) of the valley interval L between the protruding portions.
  • the projecting portion has a function of moving the raw material cement in the gap in the circumferential direction and a function of crushing the raw material cement by an impact caused by collision with the raw material cement. When the raw cement force is clogged in the valleys between the protrusions, the height of the protrusion decreases accordingly, and the effect of the protrusion decreases.
  • FIG. 1 is a schematic sectional view of a preferred cement grinding apparatus according to the present invention.
  • FIG. 2 is a plan view of a rotary grinding plate provided in the cement grinding device, and
  • FIG. 3 is an enlarged cross-sectional view showing a net as a projection provided in the rotary grinding plate.
  • FIGS. 4 and 5 are schematic cross-sectional views showing a rotary driving form of a grinding plate provided in a cement grinding apparatus.
  • FIGS. 6 and 7 are schematic cross-sectional views showing a facing arrangement form of the grinding plates.
  • Fig. 8 is a schematic sectional view showing the position of the supply holes provided in the grinding plate,
  • Figs. 9 to 11 are schematic sectional views showing the form of the gap formed between the grinding plates, and Figs.
  • FIGS. 13 and 13 are schematic cross-sectional views showing the configuration of the air blow holes provided in the grinding plate
  • Figs. 14 to 17 are the shapes of the protrusions provided on the opposing surface of the grinding plate.
  • FIGS. 18 to 23 show cross-sectional shapes of the protruding portions, and are cross-sectional explanatory diagrams showing the relationship between the protruding height and the valley interval between the protruding portions
  • FIGS. 24 and Fig. 25 shows the protrusion
  • FIG. 1 is a schematic sectional view of a cement grinding apparatus according to one embodiment of the present invention
  • FIG. 2 is a plan view of a rotary grinding plate provided in the cement grinding apparatus
  • FIG. It is an expanded sectional view of the protrusion provided in this rotary grinding plate.
  • This cement grinding device includes a fixed grinding plate 1 and a rotating grinding plate 2 that are arranged vertically and opposed to each other, and a gap 3 is formed between the grinding plates 1 and 2.
  • the fixed grinding plate 1 is made of metal (iron, iron, stainless steel, etc.), synthetic resin, ceramic, other materials having excellent wear resistance, and the like, and is formed in a circular shape. A cement supply hole is formed.
  • the fixed grinding plate 1 is fixed to the casing 4 via a machine frame 40.
  • the casing 4 is formed of stainless steel in a cylindrical shape, and is formed at its upper end with a loading hopper 41 s communicating with the supply hole 10 and at its lower end with a discharge square 42 force.
  • the rotary grinding plate 2 is formed in a circular shape with the same material as the fixed grinding plate 1, and a rotation driving device 20a is connected to a central portion of the lower surface thereof.
  • a rotary shaft 21 pivotally supported by a casing 4 is connected to the center of the lower surface of the rotary grinding plate 2, and a pulley 22 is attached to the rotary shaft 21.
  • the belt 2 is wound around the belt 2 3 times 3 times, and the rotating force from a drive motor (not shown) is transmitted to the rotary grinding plate 2 via the rotating shaft 21.
  • the gap 3 is formed in a planar shape, and protruding edges 30 and 30 are protruded toward the gap 3 along the outer circumferences of the grinding plates 1 and 2.
  • the protruding edge 30 is not always necessary, and the protruding edge 30 is
  • reticulated bodies 50 and 50 are respectively provided as projections.
  • the mesh 50 of the rotary milling plate 2 will be described.
  • a metal wire rod 51 having a circular cross section is woven in a lattice shape. It is manufactured separately and attached to the opposing surface 24 of the rotary grinding plate 2 by welding.
  • this net-like body 50 has a protruding portion formed such that the protruding height H of the metal wire 51 constituting the net is less than half (H ⁇ 2 L) of the valley interval L between the metal wires 51. Contains.
  • the mesh 50 of the fixed grinding plate 1 is formed in the same manner. It is sufficient that the mesh body 50 (projection) is provided at least on the facing surface 24 of the rotary grinding plate 2.
  • the raw cement is supplied from the supply hole 10 while the rotary grinding plate 2 is rotated by the rotary drive device 20a.
  • This raw material cement flows into the gap 3, where it is swirled by the mesh 50 provided on the rotary milling plate 2, moves in the circumferential direction, and is ground by the centrifugal force while moving in the outer circumferential direction. . That is, during this movement, the cement particles are polished by the rubbing of the cement particles due to the rotation of the rotary grinding plate 2, and are crushed by the impact by colliding with the nets 50, 50.
  • the milled raw cement is discharged from the outer periphery of the gap 3 as milled cement.
  • the raw material cement supplied from the supply hole 10 flows into the gap 3, is ground there, and then discharged from the outer periphery of the gap 3. Milled cement can be produced continuously.
  • the protruding edges 30, 30 are protruded along the outer peripheries of the both grinding plates 1, 2, the outlet of the cement is narrow. As a result, the amount of cement discharged is suppressed, so that the raw material cement
  • the mesh 50 of the rotary milling plate 2 has a function of moving the raw material cement in the circumferential direction in the gap 3, and the meshes 50, 50 of the milling plates 1, 2
  • the impact of the collision with the raw material cement has the effect of crushing the raw material cement.
  • the protruding height becomes lower.
  • the effect of the network 50 is reduced. Therefore, in order to prevent the raw material cement from clogging the valley between the metal wires 51 and 51 as much as possible, the relationship between the valley interval L and the protrusion height H should be H ⁇ 2L.
  • the present applicant shows an example of a test result when a fluid cement is manufactured using this cement grinding device.
  • Ordinary Portland cement was used as the raw material cement, and the diameter of fixed milling plate 1 and rotating milling plate 2 was set to 80 cm, and rotating milling plate 2 was rotated at 300 O rpm to produce milled cement. .
  • the concrete using the raw cement was 15.5 cm.
  • concrete with milled cement was 18.5 cm.
  • the slump value was 20 cm. If the temperature is less than 15 (TC, the grinding process cannot be accelerated, and if the temperature exceeds 140 ° C, the raw material cement will be melted. C ⁇ 140 ° C. As is evident from the test results, it is necessary to grind the raw material cement.
  • Fig. 4 shows the case where the rotating grinding plate 2 is placed on the upper side and the fixed grinding plate 1 is placed on the lower side and opposed to each other.
  • Drive 2 ⁇ b is connected.
  • a cylindrical rotary shaft 25 supported by a casing is connected to the center of the upper surface of the rotary grinding plate 2, and a pulley 26 force is attached to the cylindrical rotary shaft 25.
  • the belt 27 is rotated by the pulley 26, and the rotational force of a drive motor (not shown) is transmitted to the rotary grinding plate 2 via the cylindrical rotary shaft 25. It has become.
  • a supply hole 28 communicating with the inside of the cylindrical rotary shaft 25 is formed at the center of the rotary milling plate 2, and the raw material cement passes through the inside of the cylindrical rotary shaft 25 and is supplied with the supply hole 28. From the gap 3 to the gap 3.
  • Fig. 5 shows a case where the rotary grinding plates 2, 2 connected to the rotary drive units 20a, 20b are opposed to each other while maintaining a gap 3 so that the rotation direction is reversed.
  • a supply hole 28 for the raw material cement communicating with the gap 3 is formed in the upper rotary milling plate 2.
  • the protruding portion may be provided on each of the rotary grinding plates 2, 2, or may be provided on at least one of the rotary grinding plates 2.
  • a force indicating a case where the fixed milling plate 1 and the rotary milling plate 2 are arranged opposite to each other is used to connect the rotary milling plates 2 and 2 as shown in FIG. It can also be applied to the case of facing.
  • a cement grinding apparatus may be configured by combining the following embodiments.
  • Fig. 6 shows a case where both grinding plates 1 and 2 are arranged to face each other in the left and right direction
  • Fig. 7 shows a case where both grinding plates 1 and 2 are arranged to face each other diagonally.
  • the position of the feed hole 10 for the raw cement may be formed at a position eccentric from the center of the milling plate 1 as shown in FIG.
  • FIG. 9 shows a case where the gap 3 is formed in an upward conical shape
  • FIG. 10 shows a case where the gap 3 is formed in an upward spherical shape.
  • the gap 3 may be formed in a downward conical shape or a downward spherical shape.
  • Fig. 11 shows the case where the gap 3 is gradually narrowed from the center to the outer periphery.
  • the opposing surface 11 of the fixed grinding plate 1 is formed as a flat surface, and the rotary grinding is performed.
  • the opposing surface 24 of the crushing plate 2 is formed as an inclined surface that gradually becomes deeper from the outer periphery toward the center.
  • the opposed surface 11 of the fixed grinding plate 1 may be formed as an inclined surface
  • the opposed surface 24 of the rotary grinding plate 2 may be formed as a flat surface.
  • the opposing surfaces 11 and 24 of the plate 1 and the rotary milling plate 2 may be formed on inclined surfaces, respectively.
  • Fig. 12 shows the case where the supply hole 10 formed in the upper fixed grinding plate 1 is also used as the air blowing hole 6 ⁇
  • Fig. 13 shows the case where the upper rotating grinding plate 2 is formed.
  • This shows a case where an air blow hole 61 is formed in the lower fixed grinding plate 1 separately from the feed hole 28 for the raw material cement.
  • the air blowing hole 61 has its outlet formed by a large number of small holes 62, and the small holes 62 are opened obliquely from the center toward the outer periphery.
  • reference numeral 63 denotes an air introducing cylinder.
  • FIG. 14 Next, the protrusion will be described with reference to FIGS. 14 to 25.
  • Fig. 14 shows a number of protrusions with protrusions projecting from the facing surface 24.
  • the planar shape of the projection 52 can be arbitrarily determined, such as a circle, a square, or a cross.
  • FIG. 15 shows a case where the projecting portion is formed by a large number of projecting ridges 53 which are a large number of projecting bodies projecting radially from the facing surface 24.
  • the planar shape of the ridge 53 is formed in an arc shape in which the surface of the rotary grinding plate 2 in the rotation direction (the direction of the arrow) is concave.
  • the plane shape of the ridge 53 can be arbitrarily determined, such as a force, a linear shape, a wavy shape, a net shape, a spider web shape, or the like.
  • FIG. 16 shows a case where the projections are formed by a combination of a number of projections 52 projecting from the facing surface 24 and a number of projections 53 formed in a spider web shape.
  • FIG. 17 shows a case where the protruding portion is formed by a combination of the net 50, the protrusion 52, and the protrusion 53.
  • a rectangular cross-section as shown in Fig. 18, a triangular cross-section as shown in Fig. 19, a circular cross-section as shown in Fig. 20, and a trapezoidal cross-section as shown in Fig. 21 may be formed in a semicircle or the like.
  • the cross-sectional shape of the protruding portion 5 may be the same circular cross-section, and the size may be different. Alternatively, as shown in FIG. Different cross-sectional shapes may be combined, such as combining cross-sections.
  • the valley interval L is The distance from the upper edge 54 of the protruding portion 5.
  • the protruding portion has a triangular cross section or a circular cross section as shown in FIGS. 19 and 20, the top of the protruding portion 5 The distance from Also, as shown in Fig. 22 and Fig. 23, when the protruding height force s is different, it is expressed by the relational expression with the valley interval L (H ⁇ 2L)
  • the protrusion height H refers to the protrusion height of the lower protrusion 5a.
  • the protruding height is twice as large as that of the metal wire 5] due to the overlap of the metal wires 51.
  • the protruding height is different between the intersection and the portion other than the intersection.
  • the protrusion height H refers to the height of the protrusion having the lower height.
  • FIGS. 24 and 25 show examples of the case where H> 2 L in the relationship between the protrusion height H and the valley interval L.
  • the valley becomes narrower, which causes a problem that the raw material cement tends to cause clogging.
  • the protruding portion in which the relationship between the protruding height H and the valley interval L satisfies H ⁇ 2 includes 20% or more of the entire protruding portion.
  • the force formed when including 80% lil ⁇ of the entire protruding portion is at least 20% or more of the entire protruding portion. A crushing effect is obtained.
  • the material of the attrition plate, the diameter of the attrition plate, the rotation speed, the clearance of the gap, and the like are appropriately determined according to the degree of attrition, the throughput, and the like.
  • the rotary drive device may have any structure as long as the rotary force from the drive source can be transmitted to the grinding plate by a transmission means such as a belt, a chain, and a gear.
  • the ground cement thus processed is used as a raw material for concrete buildings in the construction industry, concrete structures in the civil engineering industry, and other concrete products.

Abstract

La présente invention concerne une broyeuse de ciment utilisée pour broyer du ciment brut afin d'obtenir un ciment broyé destiné à la production d'un béton de grande fluidité. La broyeuse de l'invention comprend une meule rotative (2) reliée à une unité d'entraînement rotative (21a), une meule fixe (1) fixée à un bâti de machine (40) et opposée à la meule rotative (2) dans la direction axiale, un espace (3) séparant les deux meules, une entrée d'alimentation en ciment brut (10) formée dans l'une des meules (la meule fixe (1)), en communication avec l'espace (3), et des protubérances (constituant un réseau (50)) formées sur une face opposée (24) de la meule rotative (2) au moins. Le ciment brut distribué dans l'espace (3) est broyé par les mouvements de frottement relatifs des meules et pulvérisé par la collision des particules qui le composent, ce qui permet à la broyeuse de ciment de construction simple de l'invention d'effectuer le broyage des particules de ciment et la fabrication d'un ciment broyé micronisé.
PCT/JP1998/002238 1998-05-21 1998-05-21 Broyeuse de ciment WO1999059932A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU74497/98A AU7449798A (en) 1998-05-21 1998-05-21 Cement grinder
PCT/JP1998/002238 WO1999059932A1 (fr) 1998-05-21 1998-05-21 Broyeuse de ciment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/002238 WO1999059932A1 (fr) 1998-05-21 1998-05-21 Broyeuse de ciment

Publications (1)

Publication Number Publication Date
WO1999059932A1 true WO1999059932A1 (fr) 1999-11-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/002238 WO1999059932A1 (fr) 1998-05-21 1998-05-21 Broyeuse de ciment

Country Status (2)

Country Link
AU (1) AU7449798A (fr)
WO (1) WO1999059932A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541257A2 (fr) * 2003-12-13 2005-06-15 Jörg Häring Dispositif pour la régénération de sable de fonderie
WO2011077422A1 (fr) * 2009-12-22 2011-06-30 Innovert Investments A.L. Ltd Procédé et appareil pour le broyage et la récupération de caoutchouc
CN102794390A (zh) * 2012-07-23 2012-11-28 机械工业第四设计研究院 一种旧砂再生装置
KR101471937B1 (ko) * 2014-04-24 2014-12-11 (유)금강환경 진동형 골재 마쇄 장치
KR101479744B1 (ko) * 2013-06-14 2015-01-15 주식회사 리텍 폐골재 표면에 형성된 시멘트 박리제거장치
CN107159380A (zh) * 2017-05-25 2017-09-15 北京康普锡威科技有限公司 一种立式粉末球化装置、粉末球化方法及应用
RU2730327C1 (ru) * 2016-11-29 2020-08-21 Анхуи Гвг Нью Материал Ко., Лтд Комплексная производственная система и способ экологичного восстановления и регенерирования резиновых отходов

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JPS6053654B2 (ja) * 1978-05-29 1985-11-27 株式会社細川粉体工学研究所 ひき臼型粉砕装置
JPH0532438A (ja) * 1991-07-31 1993-02-09 Shimizu Corp 球状化セメントの高効率製造方法

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JPS6053654B2 (ja) * 1978-05-29 1985-11-27 株式会社細川粉体工学研究所 ひき臼型粉砕装置
JPH0532438A (ja) * 1991-07-31 1993-02-09 Shimizu Corp 球状化セメントの高効率製造方法

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541257A2 (fr) * 2003-12-13 2005-06-15 Jörg Häring Dispositif pour la régénération de sable de fonderie
EP1541257A3 (fr) * 2003-12-13 2005-10-05 Jörg Häring Dispositif pour la régénération de sable de fonderie
WO2011077422A1 (fr) * 2009-12-22 2011-06-30 Innovert Investments A.L. Ltd Procédé et appareil pour le broyage et la récupération de caoutchouc
CN102753323B (zh) * 2009-12-22 2014-12-17 格林-加姆橡胶回收有限公司 用于橡胶研磨和再生的方法和装置
US8955779B2 (en) 2009-12-22 2015-02-17 Green-Gum Rubber Recycle Ltd. Method and apparatus for rubber grinding and reclaiming
RU2544651C2 (ru) * 2009-12-22 2015-03-20 Грин-Гам Раббер Ресайкл Лтд. Способ и устройство для измельчения и регенерации резины
CN102794390A (zh) * 2012-07-23 2012-11-28 机械工业第四设计研究院 一种旧砂再生装置
KR101479744B1 (ko) * 2013-06-14 2015-01-15 주식회사 리텍 폐골재 표면에 형성된 시멘트 박리제거장치
KR101471937B1 (ko) * 2014-04-24 2014-12-11 (유)금강환경 진동형 골재 마쇄 장치
RU2730327C1 (ru) * 2016-11-29 2020-08-21 Анхуи Гвг Нью Материал Ко., Лтд Комплексная производственная система и способ экологичного восстановления и регенерирования резиновых отходов
CN107159380A (zh) * 2017-05-25 2017-09-15 北京康普锡威科技有限公司 一种立式粉末球化装置、粉末球化方法及应用

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