KR100848631B1 - Drop ore recycle apparatus of slant belt conveyor - Google Patents

Drop ore recycle apparatus of slant belt conveyor Download PDF

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Publication number
KR100848631B1
KR100848631B1 KR1020020044066A KR20020044066A KR100848631B1 KR 100848631 B1 KR100848631 B1 KR 100848631B1 KR 1020020044066 A KR1020020044066 A KR 1020020044066A KR 20020044066 A KR20020044066 A KR 20020044066A KR 100848631 B1 KR100848631 B1 KR 100848631B1
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KR
South Korea
Prior art keywords
annular
belt conveyor
inclined belt
bogie
rack
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KR1020020044066A
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Korean (ko)
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KR20040011007A (en
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배종문
윤종옥
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주식회사 포스코
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Priority to KR1020020044066A priority Critical patent/KR100848631B1/en
Publication of KR20040011007A publication Critical patent/KR20040011007A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G45/00—Lubricating, cleaning, or clearing devices
    • B65G45/10—Cleaning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/045—Sand, soil and mineral ore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/02—Belt or chain conveyors
    • B65G2812/02009—Common features for belt or chain conveyors
    • B65G2812/02118—Gathering means for material falling from the conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack

Abstract

본 발명은 경사벨트컨베이어의 낙석처리장치에 관한 것으로, 무한궤도 운동하는 경사벨트컨베이어의 하측 일부를 감싸는 형태로 배설되되 어느 일지점이 하향만곡지게 배치된 환형레일과; 상기 환형레일을 따라 회전가능하게 설치되고 그 길이방향을 따라 다수의 수납대를 갖는 환형대차와; 상기 수납대의 바닥면에 다수 분할형성되고 고정핀에 의해 상하방향으로 개폐가능하게 형성된 하부커버와; 상기 환형대차의 외주면을 따라 고정된 래크와; 상기 래크에 치합되는 기어를 갖고 이를 구동시키도록 환형대차의 인접측에 고정된 구동모터와; 상기 경사벨트컨베이어의 하측부에 동일경사를 갖고 이격배치되며 하향연장되고 연장된 단부는 상기 환형대차의 수납대중 임의의 지점 직상방에 위치되도록 배설된 낙석유도판을 포함하여 구성된다.The present invention relates to an apparatus for treating rockfall of an inclined belt conveyor, wherein the annular rail is disposed to cover a portion of the lower side of the inclined belt conveyor that moves in an endless track; An annular trolley rotatably installed along the annular rail and having a plurality of housings along its longitudinal direction; A plurality of lower covers formed on a bottom surface of the storage stand and formed to be opened and closed in a vertical direction by a fixing pin; A rack fixed along an outer circumferential surface of the annular bogie; A drive motor fixed to an adjacent side of the annular bogie to have a gear engaged with the rack and to drive it; The lower end of the inclined belt conveyor has the same inclination and spaced apart, the downwardly extended and extended end is configured to include a rockfall induction plate disposed to be located directly above any point of the storage of the annular bogie.

본 발명에 따르면, 경사벨트컨베이어를 통해 이송되는 원료의 일부가 낙석처리되지 않고 원활히 재장입될 수 있음으로써 자원의 활용도를 높이고, 낙석에 의한 설비의 트러블을 미연에 방지할 수 있으며, 이로 인해 설비의 수명연장은 물론 생산성 향상에 일조하는 효과를 제공한다.According to the present invention, a part of the raw materials conveyed through the inclined belt conveyor can be reloaded without falling down, thereby increasing the utilization of resources and preventing troubles of the falling down due to the falling down. Extends the lifespan and of course contributes to productivity.

Description

경사벨트컨베이어의 낙석처리장치{DROP ORE RECYCLE APPARATUS OF SLANT BELT CONVEYOR}DROP ORE RECYCLE APPARATUS OF SLANT BELT CONVEYOR}

도 1은 일반적인 경사벨트컨베이어의 사용상태를 도시한 개략적인 예시도,1 is a schematic illustration showing a state of use of a general belt conveyor,

도 2 및 도 3은 종래 기술에 따른 경사벨트컨베이어의 일부 및 요부 확대사시도,2 and 3 is an enlarged perspective view of a part and main portion of the inclined belt conveyor according to the prior art,

도 4는 본 발명에 따른 장치의 설치상태 측단면도,Figure 4 is a side cross-sectional view of the installation state of the device according to the invention,

도 5는 본 발명 장치의 설치상태를 보인 일부 사시도,5 is a partial perspective view showing an installation state of the device of the present invention;

도 6은 본 발명 장치의 요부 사시도.6 is a perspective view of main parts of the device of the present invention;

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

100....베이스 110....지지대100 .... base 110 .... support

120....환형레일 130....구동모터120..cyclic rail 130..drive motor

140....환형대차 150....래크140 .... a circular cart 150 ... a rack

160....낙석유도판 170....수납대160 .... Rockfall Induction Plate 170 .... Storage Stand

172,174....고정핀 176....하부커버172,174 .... Retaining pin 176 .... Lower cover

300....배출부300 .... outlet

본 발명은 경사벨트컨베이어의 낙석처리장치에 관한 것으로, 보다 상세하게는 원료를 경사이송하는 중에 미처 장입되지 못한 원료의 일부가 리턴되는 벨트로부터 낙하될 때에 이를 즉시에 자동적으로 수거하여 재이송할 수 있도록 한 경사벨트컨베이어의 낙석처리장치에 관한 것이다.The present invention relates to a rocking belt treatment device of the inclined belt conveyor, and more particularly, when a portion of the raw material that is not loaded during the inclined transfer of the raw material falls from the returned belt, it can be automatically collected and re-transmitted immediately. The present invention relates to a rockfall treatment apparatus for an inclined belt conveyor.

도 1은 일반적인 경사벨트컨베이어의 설치상태를 보인 모식도로서, 도시와 같이 수세원석, 석회석과 같은 괴립자의 운반물이나 원료를 이송하는 경사벨트컨베이어(1)는 저장호퍼(2)의 운반물을 석회소성로(SHAFT KILN)(3)와 같이 고소지역으로 상향이송하도록 경사지게 배설되는 일종의 반송설비이다.1 is a schematic view showing the installation state of a general inclined belt conveyor, as shown in the inclined belt conveyor (1) for conveying the transport material or raw material of the granules such as flushing stone, limestone, etc. SHAFT KILN (3) is a kind of conveying equipment that is installed to be inclined to be transported upward to the aerial area.

이러한 경사벨트컨베이어는 도 2의 도시와 같이, 전장이 긴 벨트(10)가 헤드풀리 및 테일풀리(15,16) 사이에서 무한궤도 순환운동가능하게 설치되고, 상기 벨트(10)상에는 미립자형 운반물이나 혹은 원석(원료)와 같은 이송물의 운송도중 하부로 흘러내리는 것을 방지하도록 상기 벨트(10) 상면에 주름루버플랜지(11)가 접착고정되며, 상기 주름루버플랜지(11)는 그 내부가 루버핀(12)에 의해 일정간격으로 구획되어 이루어진다.This inclined belt conveyor, as shown in Figure 2, the long length of the belt 10 is installed to allow the endless orbit circulating movement between the head pulley and the tail pulley (15, 16), the particulate package on the belt (10) The wrinkled louver flange 11 is fixed to the upper surface of the belt 10 so as to prevent it from flowing down to the bottom during transportation of the conveyed material such as or raw materials (raw material), and the inside of the wrinkled louver flange 11 is a louver pin. It is divided into a certain interval by (12).

아울러, 벨트(10)의 처짐을 방지하기 위해 주름루버플랜지(11)가 운반물을 담아 이송되는 구간에는 벨트(10)의 하단면을 지지하도록 다수의 캐리어롤러(13)가 설치되고, 운반물 이송후 비어있는 상태로 리턴되는 구간에는 주름루버플랜지(11)의 상단과 접촉되어 지지하는 리턴롤러(14)가 설치된다.In addition, in order to prevent sagging of the belt 10, a plurality of carrier rollers 13 are installed to support the bottom surface of the belt 10 in a section in which the pleated louver flange 11 is transported with a package, and after transporting the package The return roller 14, which contacts and supports the upper end of the corrugated louver flange 11, is installed in the section returned to the empty state.

그런데, 도 3의 도시와 같이, 운반물 이송도중 미처 장입되지 못하고 주름루 버플랜지(11)와 루버핀(12) 사이에 끼어있던 원료(18)가 리턴되는 벨트(10)를 타고 귀환되다가 하부로 낙하되게 되며, 시간이 경과함에 따라 그 낙하물이 축적되어 테일풀리(16)와 간섭되면서 그 회전을 방해하여 설비의 동작정지, 장입지연 등의 문제를 초래하였다.However, as shown in FIG. 3, the raw material 18, which was not inserted during the conveyance of the package and was sandwiched between the pleated buckle flange 11 and the louver pin 12, is returned and returned to the lower portion. Falling, and as the time passes, the falling objects accumulate and interfere with the tail pulley (16), preventing the rotation of the equipment, causing problems such as operation stop, charging delay.

본 발명은 상술한 바와 같은 종래 기술이 갖는 문제점을 해결하기 위하여 창안한 것으로, 장입벨트가 원료를 수송하는 동안 발생되는 낙석(낙하되는 원료)을 지면에 떨어지지 않도록 곧바로 회수하여 무한궤도 운동하는 장입벨트로 재이송할 수 있도록 하여 원료의 재활용은 물론 설비의 트러블을 해소시킨 경사벨트컨베이어의 낙석처리장치를 제공함에 그 목적이 있다.The present invention has been made to solve the problems of the prior art as described above, the charging belt to collect the falling rock (falling raw materials) generated during the transportation of the raw material to the ground so as not to fall directly to the ground belt movement The purpose of the present invention is to provide a rocking belt conveyor of the inclined belt conveyor that can eliminate the trouble of the equipment as well as the recycling of raw materials by re-transmission.

본 발명의 상기한 목적은, 무한궤도 운동하는 경사벨트컨베이어의 하측 일부를 감싸는 형태로 배설되되 어느 일지점이 하향만곡지게 배치된 환형레일과; 상기 환형레일을 따라 회전가능하게 설치되고 그 길이방향을 따라 다수의 수납대를 갖는 환형대차와; 상기 수납대의 바닥면에 다수 분할형성되고 고정핀에 의해 상하방향으로 개폐가능하게 형성된 하부커버와; 상기 환형대차의 외주면을 따라 고정된 래크와; 상기 래크에 치합되는 기어를 갖고 이를 구동시키도록 환형대차의 인접측에 고정된 구동모터와; 상기 경사벨트컨베이어의 하측부에 동일경사를 갖고 이격배치되며 하향연장되고 연장된 단부는 상기 환형대차의 수납대중 임의의 지점 직상방에 위치되도록 배설된 낙석유도판을 포함하여 구성되는 것을 특징으로 하는 경사벨트 컨베이어의 낙석처리장치를 제공함에 의해 달성된다.The above object of the present invention, the end of the end of the inclined belt conveyor to move in an endless track is disposed in the form of any one point is downwardly curved annular rail; An annular trolley rotatably installed along the annular rail and having a plurality of housings along its longitudinal direction; A plurality of lower covers formed on a bottom surface of the storage stand and formed to be opened and closed in a vertical direction by a fixing pin; A rack fixed along an outer circumferential surface of the annular bogie; A drive motor fixed to an adjacent side of the annular bogie to have a gear engaged with the rack and to drive it; The lower end of the inclined belt conveyor has the same inclination and spaced apart and the downwardly extended end is configured to include a rockfall guide plate disposed to be located directly above any point of the storage of the annular bogie By providing a rockfall treatment apparatus for an inclined belt conveyor.

이하에서는, 첨부도면을 참고하여 본 발명을 보다 상세하게 설명한다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 4는 본 발명에 따른 장치의 설치상태 측단면도이고, 도 5는 본 발명 장치의 설치상태를 보인 일부 사시도이다.Figure 4 is a side cross-sectional view of the installation state of the device according to the invention, Figure 5 is a partial perspective view showing the installation state of the device of the present invention.

도 4 내지 도 5에 따르면, 경사벨트컨베이어(200)가 배설된 길이 일부 위치의 바닥면에는 베이스(100)가 고정되고, 상기 베이스(100)에는 다수의 지지대(110)가 원형상으로 입설되며, 상기 지지대(110)에는 환형레일(120)이 배설된다.4 to 5, the base 100 is fixed to the bottom surface of the length of the position in which the inclined belt conveyor 200 is disposed, a plurality of supports 110 are installed in the base 100 in a circular shape The support 110 is provided with an annular rail 120.

상기 환형레일(120)의 일부는 하방향으로 완만하게 절곡되고, 그 부위에는 배출부(300)가 형성된다.A part of the annular rail 120 is gently bent downward, the discharge portion 300 is formed in the portion.

상기 배출부(300)는 무한궤도 운동하는 경사벨트컨베이어(200)의 루버피(210)과 주름루버플랜지(220)에 의해 구획된 공간상에 정확히 일치되게 배치된다.The discharge part 300 is disposed to exactly match the space partitioned by the louver 210 and the pleated louver flange 220 of the inclined belt conveyor 200 in the endless track movement.

상기 환형레일(120)상에는 일정폭을 갖는 환형대차(140)가 차륜에 의해 활주가능한 형태로 안착되고, 상기 환형대차(140)에는 그 주연방향으로 일정크기 구획된 수납대(170)가 형성된다.The annular trolley 140 having a predetermined width is seated on the annular rail 120 in a slidable form by a wheel, and the annular trolley 140 is provided with a storage unit 170 partitioned in a predetermined size in the circumferential direction thereof. .

또한, 상기 환형대차(140)는 그 중앙부를 경사벨트컨베이어(200)가 일정경사를 두고 관통배설된 후 무한궤도 운동가능하게 구비되며, 상기 환형대차(140)의 외주면에는 래크(150)가 고정된다.In addition, the annular trolley 140 is provided with an inclined belt conveyor 200 through which the inclined belt conveyor 200 is disposed at a predetermined inclination so that the endless track can move, and the rack 150 is fixed to the outer circumferential surface of the annular trolley 140. do.

상기 래크(150)는 환형대차(140)의 일측에 배치되고 별도의 도시하지 않은 지지대에 의해 고정된 구동모터(130)의 회전축에 구비된 피니언(미도시)과 치합되 어 회전구동될 수 있도록 설치된다.The rack 150 is disposed on one side of the annular cart 140 and engaged with the pinion (not shown) provided on the rotating shaft of the drive motor 130 fixed by a support (not shown) to be rotated to drive. Is installed.

아울러, 상기 경사벨트컨베이어(200)의 직하방에는 그 경사각을 따라 나란하게 낙석유도판(160)이 장입부위까지 연장배설되고, 상기 낙석유도판(160)의 하단은 상기 환형대차(140)의 수납대(170)중 어느 한 부위의 직상방에 위치되도록 배치된다.In addition, directly below the inclined belt conveyor 200, the rockfall induction plate 160 is disposed side by side along the inclination angle extending to the charging portion, the lower end of the rockfall induction plate 160 of the annular bogie 140 It is arrange | positioned so that it may be located directly above any one part of the storage stand 170.

특히, 도 6의 도시와 같이, 수납대(170)의 바닥면 일부가 다수 조각으로 분할된 하부커버(176)들로 이루어지고, 상기 하부커버(176)의 일측단, 즉 환형대차(140)의 회전방향측 단부에는 고정핀(172,174)이 구비되어 상기 하부커버(176)를 상기 수납대(170)의 바닥면에 인접한 양측벽에 회전가능하게 고정함으로써 상기 하부커버(176)가 상기 환형레일(120)의 절곡부에 위치된 배출부(300)에 이르러서는 개방되면서 그 상측에 수납하고 있던 수거 원료(석)을 배출시킬 수 있는 구조로 형성된다.In particular, as shown in Figure 6, a portion of the bottom surface of the storage unit 170 is composed of a lower cover 176 divided into a plurality of pieces, one end of the lower cover 176, that is, the annular bogie 140 Fixing pins 172 and 174 are provided at rotational side ends of the lower cover 176 such that the lower cover 176 is rotatably fixed to both side walls adjacent to the bottom surface of the storage unit 170. The discharge part 300 located in the bent portion of the 120 is opened and is formed in a structure capable of discharging the collected raw material (stone) stored thereon.

이러한 구성으로 이루어진 본 발명의 장치는 다음과 같은 작동관계를 갖는다.The apparatus of the present invention having such a configuration has the following operation relationship.

먼저, 이송컨베이어(90)를 타고 이송되어온 원료는 투입슈트(92)를 통해 무한궤도 운동하고 있는 경사벨트컨베이어(200)에 안착됨으로서 석회 소성로와 같은 로 설비로 경사이동되어 장입되게 된다.First, the raw material that has been transported on the conveying conveyor 90 is placed on the inclined belt conveyor 200 which is in orbital motion through the feeding chute 92 so that the raw material is inclined and loaded into a furnace facility such as a lime kiln.

이러한 과정에서 미처 장입되지 못하고 잔류되어 있던 원료중 일부는 리턴되게 되는데 헤드풀리(15)를 지나 테일풀리(16)측으로 리턴되는 과정에서 그 자중에 의해 낙하되게 된다. In this process, some of the remaining raw materials that have not been charged are returned, but fall by their own weight in the process of being returned to the tail pulley 16 through the head pulley 15.                     

낙하된 원료는 낙석유도판(160)을 따라 안내되어 구동모터(130)에 의해 회전되고 있는 환형대차(140)의 수납대(170)로 떨어져 수납되게 된다.The dropped raw material is guided along the rockfall induction plate 160 to be dropped into the storage table 170 of the annular cart 140 which is being rotated by the driving motor 130.

수납되어 있던 원료는 상기 수납대(170)가 회전되다가 배출부(300)에 이르게 되면 환형레일(120)의 일부가 하방향으로 심하게 만곡져 있으므로 하부커버(176)가 원료의 무게와 자체 자중에 의해 고정핀(172)을 중심으로 회전되면서 개방되게 된다.When the raw material stored in the holder 170 is rotated to reach the discharge part 300, a portion of the annular rail 120 is severely bent downward so that the lower cover 176 may be used for the weight of the raw material and its own weight. It is opened while being rotated about the fixing pin 172 by.

이때, 원료는 다시 배출부(300)를 통해 낙하되면서 다시 무한궤도 운동하고 있는 경사벨트컨베이어(200)로 재차 이송되게 되고, 환형대차(140)는 계속해서 회전하게 된다.At this time, the raw material is again transferred to the inclined belt conveyor 200 which is in the endless orbital motion again through the discharge unit 300, the annular trolley 140 continues to rotate.

이와 같은 과정을 반복함으로써 원료의 낙석처리없이 원활하게 이송하여 장입시킬 수 있게 된다.By repeating such a process, it is possible to smoothly transfer and load the material without falling down.

이상에서 상세히 설명한 바와 같이, 본 발명에 따르면 경사벨트컨베이어를 통해 이송되는 원료의 일부가 낙석처리되지 않고 원활히 재장입될 수 있음으로써 자원의 활용도를 높이고, 낙석에 의한 설비의 트러블을 미연에 방지할 수 있으며, 이로 인해 설비의 수명연장은 물론 생산성 향상에 일조하는 효과를 제공한다.As described in detail above, according to the present invention, a part of the raw material conveyed through the inclined belt conveyor can be reloaded without falling down, thereby increasing the utilization of resources and preventing troubles of the facility due to the falling down. This, in turn, provides the effect of extending the life of the plant as well as improving productivity.

Claims (1)

무한궤도 운동하는 경사벨트컨베이어(200)의 하측 일부를 감싸는 형태로 배설되되 어느 일지점이 하향만곡지게 배치된 환형레일(120)과;An annular rail 120 disposed to cover a portion of the lower side of the inclined belt conveyor 200 having an endless track, and having one point curved downward; 상기 환형레일(120)을 따라 회전가능하게 설치되고 그 길이방향을 따라 다수의 수납대(170)를 갖는 환형대차(140)와;An annular trolley 140 rotatably installed along the annular rail 120 and having a plurality of storage units 170 along its longitudinal direction; 상기 수납대(170)의 바닥면에 다수 분할형성되고 고정핀(172)에 의해 상하방향으로 개폐가능하게 형성된 하부커버(176)와;A plurality of lower covers 176 formed on the bottom surface of the storage unit 170 and formed to be opened and closed in a vertical direction by fixing pins 172; 상기 환형대차(140)의 외주면을 따라 고정된 래크(150)와;A rack 150 fixed along an outer circumferential surface of the annular bogie 140; 상기 래크(150)에 치합되는 기어를 갖고 이를 구동시키도록 환형대차(140)의 인접측에 고정된 구동모터(130)와;A drive motor 130 having a gear engaged with the rack 150 and fixed to an adjacent side of the annular bogie 140 to drive it; 상기 경사벨트컨베이어(200)의 하측부에 동일경사를 갖고 이격배치되며 하향연장되고 연장된 단부는 상기 환형대차(140)의 수납대(170)중 임의의 지점 직상방에 위치되도록 배설된 낙석유도판(160)을 포함하여 구성되는 것을 특징으로 하는 경사벨트컨베이어의 낙석처리장치.Rockfall induction is disposed so that the lower end of the inclined belt conveyor 200 is equally spaced apart and downwardly extended and extended end is located directly above any point of the storage unit 170 of the annular trolley (140). Falling belt treatment device of the inclined belt conveyor, characterized in that comprising a plate (160).
KR1020020044066A 2002-07-26 2002-07-26 Drop ore recycle apparatus of slant belt conveyor KR100848631B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06211359A (en) * 1992-11-21 1994-08-02 Frisco Findus Ag Capacity measuring and charging device and method of charging
JPH08225124A (en) * 1995-02-22 1996-09-03 Taisei Corp Belt conveyer apparatus
KR19990074659A (en) * 1998-03-12 1999-10-05 민병률 Mixed conveying device of snow removal material
KR20020018857A (en) * 2000-09-04 2002-03-09 이구택 Device for moving a tail belt of reversible belt conveyor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06211359A (en) * 1992-11-21 1994-08-02 Frisco Findus Ag Capacity measuring and charging device and method of charging
JPH08225124A (en) * 1995-02-22 1996-09-03 Taisei Corp Belt conveyer apparatus
KR19990074659A (en) * 1998-03-12 1999-10-05 민병률 Mixed conveying device of snow removal material
KR20020018857A (en) * 2000-09-04 2002-03-09 이구택 Device for moving a tail belt of reversible belt conveyor

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