WO2020098688A1 - 空气干砂选煤系统上用排矸系统上的矸石推动装置 - Google Patents

空气干砂选煤系统上用排矸系统上的矸石推动装置 Download PDF

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Publication number
WO2020098688A1
WO2020098688A1 PCT/CN2019/117947 CN2019117947W WO2020098688A1 WO 2020098688 A1 WO2020098688 A1 WO 2020098688A1 CN 2019117947 W CN2019117947 W CN 2019117947W WO 2020098688 A1 WO2020098688 A1 WO 2020098688A1
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gangue
rod
rotating rod
sorting chamber
coal preparation
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PCT/CN2019/117947
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English (en)
French (fr)
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姚庭威
高田
陈晓辉
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王光领
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Publication of WO2020098688A1 publication Critical patent/WO2020098688A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/46—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using dry heavy media; Devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage

Definitions

  • the invention belongs to the technical field of coal separation, and particularly relates to a gangue pushing device on a gangue discharge system used in an air dry sand coal preparation system.
  • the main purpose of raw coal separation is to separate and separate clean coal and gangue to obtain clean clean coal resources.
  • the main leading technology in this technical field is wet coal preparation. Due to various problems and disadvantages of wet coal preparation, the present invention People have developed an air dry sand coal preparation technology that does not use water.
  • air and dry sand media are used to achieve a fluidized atmosphere, and separation is achieved according to the density difference between clean coal and gangue, where gangue discharge affects the whole
  • the gangue discharge in the dry coal preparation is mainly by fixing the scraper on the chain, and the chain is driven by the transmission wheel. Because the dry coal preparation can make the coal and the gangue layered, the gangue will be located in the lower layer due to the higher density, so through the lower layer of the chain The scraper can push the gangue; but this way because the chain is located in the mixture of medium, coal and gangue, etc., the coal and gangue are easily caught between the transmission wheel and the chain, which damages the chain more or less The broken pieces easily enter the transmission wheel, which affects the rotation of the transmission wheel and even gets stuck. As a result, coal preparation cannot be performed, the work efficiency is low, and the overall maintenance cost is also large; therefore, it is necessary to improve it.
  • the purpose of the present invention is to provide a gangue pushing device on the gangue discharging system for the air dry sand coal preparation system in view of the deficiencies in the prior art, which has the characteristics of making the gangue driving more convenient and smooth and not easy to damage.
  • a gangue pushing device on a gangue discharge system for an air dry sand coal preparation system which is characterized in that it includes a sorting chamber and a gangue discharge device.
  • a gangue filter layer is installed in the room; the gangue discharge device includes a moving base, a rotating rod, a gangue discharge claw, a positioning baffle, an ejector rod and a return rod.
  • the ejector rod and the return rod are fixedly installed in the sorting room On the inner wall, and the two positions are opposite; the mobile base is slidingly set in the sorting room, the rotating rod is rotatably set on the mobile base, and a linkage plate is arranged on the linkage base, and the linkage plate is respectively separated from the top rod and the return position
  • the rod is used in cooperation, and after being stressed, the rotating rod is rotated; the positioning baffle is fixed on the moving base, and it is positioned and matched with the gangue claw; the gangue claw is fixedly arranged on the rotating rod and is linked with it, and At the end, the upper part of the gangue filter layer is exposed.
  • the sorting room is provided with a guide rail
  • the moving base is provided with a slider
  • the slider is slidingly arranged on the guide rail.
  • linkage plates which are located at both ends of the rotating rod, and the top rod and the return rod are also two, and their positions are opposite to the linkage plate.
  • the present invention has the advantage compared with the prior art that the gangue filter layer of the present invention can gather large-size gangue, and the row of gangue can push the gangue to the sorting room under the push of the moving base Compared with the existing chain structure, this structure is not easy to damage the equipment, and the discharge of gangue is smoother.
  • Figure 1 is a schematic diagram of the present invention.
  • FIG. 2 is a schematic diagram of the structure of the other side of the present invention.
  • a gangue pushing device used in an air dry sand coal preparation system which includes a sorting chamber 10 and a gangue discharging device, and the sorting chamber 10 is provided with gangue
  • the filter layer 11 and the gangue filter layer 11 have blanking gaps, and the width of the blanking gaps is small, which can prevent large particles of gangue from sinking to the bottom of the sorting chamber 10.
  • the gangue discharging device includes a moving base 20, a rotating rod 21, a gangue discharging claw 22, a positioning baffle 23, a top rod 24, and a return rod 25.
  • a guide rail is provided in the sorting chamber 10, and a slider is provided on the moving base.
  • the slider is slidably arranged on the guide rail, and driven by the slider, the mobile base 20 can slide in the sorting chamber 10.
  • the rotating rod 21 is rotatably set on the moving base 20, and a linkage plate 26 is fixed on the rotary rod 21; the top rod 24 and the return rod 25 are fixedly arranged on the inner wall of the sorting chamber 10, respectively, and the two positions are opposite; the linkage plate 26 cooperates with the top rod 24 and the return rod 25 respectively, and it drives the rotating rod 21 to rotate after being stressed.
  • the positioning baffle 23 is fixed on the mobile base 20, and it is positioned and matched with the gangue claw 22; the gangue claw 22 is fixedly arranged on the rotating rod 21 and interlocks therewith, and the end of the gangue filter layer 11 is exposed at the end.
  • the moving base 20 drives the gangue claw 22 to move, which can push the gangue on the gangue filter layer 11 and discharge it from the gangue opening on the sorting chamber 10; at the same time, the ejector bar 24 will hold the linkage plate 26 and Let it drive the rotating rod 21 to rotate, and the gangue claw 22 on the rotating rod 21 will rotate downward and rotate to below the gangue filter layer 11 and return to the gangue filter layer 11 under the gangue filter layer 11 to facilitate the return; by moving The return movement of the base 20, when it reaches the original position, the return lever 25 will press the linkage plate 26 to drive the rotating rod 21 to rotate in the opposite direction, and at the same time, the gangue claw 22 will rotate upward to return to the original position and the positioning block The board 23 abuts for the next gangue discharge operation.

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  • Combined Means For Separation Of Solids (AREA)

Abstract

一种空气干砂选煤系统上用排矸系统上的矸石推动装置，包括分选室（10）及排矸装置，分选室内设置有矸石滤层（11）；排矸装置包括移动底座（20）、旋转杆（21）、排矸爪（22）、定位挡板（23）、顶杆（24）及回位杆（25），顶杆及回位杆分别固定设置在分选室的内壁上，且两者位置相对；移动底座在分选室内滑动设置，旋转杆在移动底座上转动设置，且其上设置有联动板（26），联动板分别与顶杆及回位杆使用配合，且其受力后带动旋转杆转动；定位挡板固定在移动底座上，且其与排矸爪定位配合；排矸爪固定设置在旋转杆上并与其联动，且其端部露出矸石滤层的上部。该装置的优点是能让矸石的推动较为方便顺畅及不易损坏。

Description

空气干砂选煤系统上用排矸系统上的矸石推动装置 技术领域
本发明属于煤炭分选技术领域，尤其是涉及一种空气干砂选煤系统上用排矸系统上的矸石推动装置。
背景技术
原煤分选的主要目的是将精煤与矸石分离、分割，以获取清洁的精煤资源，目前，本技术领域大主导工艺是湿法选煤，因湿法选煤的种种问题弊端，本发明人开发出不用水的空气干砂选煤技术，在空气干砂选煤技术中，利用空气和干砂介质实现流化氛围，根据精煤与矸石的密度差别实现分离，其中排矸是影响整体空气干砂选煤设备能否正常工作、能否实现工业化应用的重要因素之一。
干法选煤中排矸主要是通过在链条上固定刮板，而链条通过传动轮带动，由于干法选煤能够让煤与矸石分层，因此矸石由于密度较大会位于下层，这样通过链条下层的刮板能将矸石推出；但是这种方式由于链条位于介质、煤块及矸石等混合物料中，传动轮与链条之间容易卡入煤块和矸石，这对链条损害较大，或者较小的碎块容易进入到传动轮内部，影响传动轮的转动甚至卡死，导致选煤工作无法进行，工作效率低，整体的维修成本也较大；因此有必要予以改进。
发明内容
本发明的目的是针对上述现有技术存在的不足，提供一种空气干砂选煤系统上用排矸系统上的矸石推动装置，它具有能让矸石的推动较为方便顺畅 及不易损坏的特点。
为了实现上述目的，本发明所采用的技术方案是：一种空气干砂选煤系统上用排矸系统上的矸石推动装置，其特征在于：包括分选室及排矸装置，所述分选室内设置有矸石滤层；所述排矸装置包括移动底座、旋转杆、排矸爪、定位挡板、顶杆及回位杆，所述顶杆及回位杆分别固定设置在分选室的内壁上，且两者位置相对；所述移动底座在分选室内滑动设置，所述旋转杆在移动底座上转动设置，且其上设置有联动板，所述联动板分别与顶杆及回位杆使用配合，且其受力后带动旋转杆转动；所述定位挡板固定在移动底座上，且其与排矸爪定位配合；所述排矸爪固定设置在旋转杆上并与其联动，且其端部露出矸石滤层的上部。
所述分选室内设置有导轨，所述移动底座上设置有滑块，所述滑块在导轨上滑动设置。
所述联动板为两个，其分别位于旋转杆的两端部，所述顶杆与回位杆同样为两个，其位置分别与联动板相对。
采用上述结构后，本发明和现有技术相比所具有的优点是：本发明的矸石滤层能够将大颗粒矸石汇集，而排矸爪在移动底座的推动下能将矸石推动到分选室的排矸口上进行排出，这种结构相比现有链条式结构，其不易损坏设备，而且排矸也较为顺畅。
附图说明
图1是本发明的结构示意图。
图2是本发明的另一侧结构示意图。
具体实施方式
以下所述仅为本发明的较佳实施例，并不因此而限定本发明的保护范围， 下面结合附图和实施例对本发明进一步说明。
实施例，见图1和图2所示：一种空气干砂选煤系统上用排矸系统上的矸石推动装置，其包括分选室10及排矸装置，分选室10内设置有矸石滤层11，矸石滤层11上具有落料缝隙，落料缝隙宽度较小，其能够防止大颗粒矸石汇落地分选室10底部。排矸装置包括移动底座20、旋转杆21、排矸爪22、定位挡板23、顶杆24及回位杆25，在分选室10内设置有导轨，在移动底座上设置有滑块，滑块在导轨上滑动设置，通过滑块的带动，移动底座20能够在分选室10内滑动。旋转杆21在移动底座20上转动设置，在旋转杆21上固定有联动板26；顶杆24及回位杆25分别固定设置在分选室10的内壁上，且两者位置相对；联动板26分别与顶杆24及回位杆25使用配合，其受力后带动旋转杆21转动。定位挡板23固定在移动底座20上，且其与排矸爪22定位配合；排矸爪22固定设置在旋转杆21上并与其联动，且其端部露出矸石滤层11的上部。使用时，移动底座20带动排矸爪22移动，其能够将矸石滤层11上的矸石进行推动并从分选室10上的排矸口排出；同时，顶杆24会顶住联动板26并让其带动旋转杆21旋转，而旋转杆21上的排矸爪22会向下转动并转动到矸石滤层11的下方并呈匍匐状态从矸石滤层11下方返回，以方便回位；通过移动底座20的回位移动，当到达原位后，回位杆25会顶住联动板26让其带动旋转杆21反向旋转，同时，排矸爪22会向上转动回到原位并与定位挡板23抵接，以进行下一次排矸作业。上述的联动板26为两个，其分别位于旋转杆21的两端部，顶杆24与回位杆25同样为两个，其位置分别与联动板26,相对，这样使得其配合更加省力。

Claims (3)

  1. 一种空气干砂选煤系统上用排矸系统上的矸石推动装置，其特征在于：包括分选室及排矸装置，所述分选室内设置有矸石滤层；所述排矸装置包括移动底座、旋转杆、排矸爪、定位挡板、顶杆及回位杆，所述顶杆及回位杆分别固定设置在分选室的内壁上，且两者位置相对；所述移动底座在分选室内滑动设置，所述旋转杆在移动底座上转动设置，且其上设置有联动板，所述联动板分别与顶杆及回位杆使用配合，且其受力后带动旋转杆转动；所述定位挡板固定在移动底座上，且其与排矸爪定位配合；所述排矸爪固定设置在旋转杆上并与其联动，且其端部露出矸石滤层的上部。
  2. 根据权利要求1所述的空气干砂选煤系统上用排矸系统上的矸石推动装置，其特征在于：所述分选室内设置有导轨，所述移动底座上设置有滑块，所述滑块在导轨上滑动设置。
  3. 根据权利要求1或2所述的空气干砂选煤系统上用排矸系统上的矸石推动装置，其特征在于：所述联动板为两个，其分别位于旋转杆的两端部，所述顶杆与回位杆同样为两个，其位置分别与联动板相对。
PCT/CN2019/117947 2018-11-14 2019-11-13 空气干砂选煤系统上用排矸系统上的矸石推动装置 WO2020098688A1 (zh)

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CN109317300A (zh) * 2018-11-14 2019-02-12 王光领 空气干砂选煤系统上用排矸系统上的矸石推动装置

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JPS645680U (zh) * 1987-06-26 1989-01-12
US5427251A (en) * 1992-12-10 1995-06-27 Ps Foerder- Und Lagertechnik Tipping grid for floating dredges
EP1704930A2 (en) * 2005-03-24 2006-09-27 Renby Limited Grid arrangement
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