WO2020098690A1 - 空气干砂选煤系统上用排矸系统上的吸料装置 - Google Patents

空气干砂选煤系统上用排矸系统上的吸料装置 Download PDF

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Publication number
WO2020098690A1
WO2020098690A1 PCT/CN2019/117959 CN2019117959W WO2020098690A1 WO 2020098690 A1 WO2020098690 A1 WO 2020098690A1 CN 2019117959 W CN2019117959 W CN 2019117959W WO 2020098690 A1 WO2020098690 A1 WO 2020098690A1
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Prior art keywords
suction
gangue
pipe
collection box
dry sand
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PCT/CN2019/117959
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English (en)
French (fr)
Inventor
王大庆
王一林
王光领
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王光领
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Application filed by 王光领 filed Critical 王光领
Publication of WO2020098690A1 publication Critical patent/WO2020098690A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets

Definitions

  • the invention belongs to the technical field of coal separation, and particularly relates to a suction device on a gangue discharge system for 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 out the gangue; this structure will discharge the large and small gangue and the medium uniformly when in use, but the chain is easy to get stuck in the gangue, which will cause greater damage to the chain; therefore, it is necessary to improve it.
  • the purpose of the present invention is to provide a suction device on the gangue discharge system used in the air dry sand coal preparation system in view of the deficiencies of the prior art, which has the ability to screen large and small gangue and prevent damage to the equipment Features.
  • a suction device on a gangue discharge system for an air dry sand coal preparation system which includes a sorting room, a collection box, a suction fan, a feeding pipe, a suction pipe A feed pipe and a moving device.
  • the sorting chamber is provided with a filter layer for filtering large particles of gangue.
  • the suction pipe is provided at the bottom of the sorting chamber.
  • the suction pipe is provided with a suction hole at the bottom.
  • the pipe and the suction pipe are fixedly connected and communicate therebetween; a hose is connected to the tail end of the feeding pipe, and the end of the hose is connected to the collection box; the suction fan is provided on the collection box;
  • the feeding pipe is connected with the mobile device and moves back and forth under the control of the mobile device.
  • the moving device is composed of a driving motor, a ball screw and a connecting base.
  • the ball screw is connected to the driving motor.
  • One end of the connecting base is connected to the ball screw and the other end is connected to the feeding tube.
  • the feeding tube and the suction tube are vertically arranged.
  • the present invention has the advantage compared with the prior art that the present invention pre-screens the gangue particles, small gangue and medium are sucked by the suction pipe under the action of the suction fan, and Compared with the existing structure, the feeding pipe enters the collection box for processing, which can effectively prevent the equipment from being damaged.
  • Figure 1 is a schematic diagram of the present invention.
  • a suction device on a waste blasting system for an air dry sand coal preparation system which includes a sorting chamber 10, a collection box 11, a suction fan 12, a feeding pipe 13, and suction
  • the pipe 14 and the moving device 15 and the sorting chamber 10 are provided with a filter layer 101 for filtering large-size gangue. Through the filtering of the filter layer 101, large-size gangue is accumulated on the filter layer 101, and small-size gangue passes through the filter layer 101 The gap falls to the bottom of the sorting chamber 10.
  • the suction tube 14 is arranged at the bottom of the sorting room, and the suction hole is provided at the bottom of the suction tube 14, the number of suction holes is determined according to the size of the sorting room 10, and it is uniform on the suction tube 14 distributed.
  • the feed pipe 13 and the suction pipe 14 are vertically fixed and connected therebetween. The small particles of gangue and the medium sucked through the suction pipe 14 will be transported to the collection box 11 through the feed pipe 13.
  • a hose 16 is connected to the trailing end of the feeding tube 13, and the end of the hose 16 is connected to the collection box 11. The hose 16 can be expanded and contracted so that the feeding tube 13 has a displacement stroke.
  • the suction fan 12 is installed on the collection box 11, and the suction tube 14 can absorb the small particles of gangue and medium at the bottom of the sorting chamber 10 through the suction of the suction fan 12, after passing through the suction tube 14 and the hose 16, Finally, it falls into the collection box 11.
  • the feeding tube 13 is connected to the moving device 15 and moves forward and backward under the control of the moving device 15.
  • the moving device 15 is connected to the driving motor 20 by the driving motor 20, the ball screw 21 and the connecting seat 22.
  • the ball screw 21 is connected to the driving motor 20 and the connecting seat 22 has one end Connected to the ball screw 21, the other end is connected to the feed tube 15; during operation, the ball screw 21 drives the connection base 22 to move by the drive of the drive motor 20, and the connection base 22 can drive the feed tube 13 to move forward and backward, and at the same time Let the suction tube 14 absorb small particles of gangue and medium at the bottom of the sorting chamber 10. Rollers are provided at both ends of the suction tube 14, and a slideway 102 is provided in the sorting chamber 10. The roller is slidably arranged in the slideway 102. This structure can facilitate the positioning and movement of the suction tube 14 and improve the smoothness of use. Sex.

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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吸料装置，其包括分选室（10）、收集箱（11）、吸料风机（12）、送料管（13）、吸料管（14）及移动装置（15），所述分选室（10）上设置有过滤大颗粒矸石的滤层（101），所述吸料管（14）设置在分选室（10）的底部，所述吸料管（14）底部设置有吸料孔，所述送料管（13）与吸料管（14）固定连接且其之间连通；所述送料管（13）的尾端连接有软管（16），所述软管（16）的端部与收集箱（11）连接；所述吸料风机（12）设置在收集箱（11）上；所述送料管（13）与移动装置（15）连接并在移动装置（15）的控制下前后移动。该吸料装置能对大小矸石进行筛分及能防止设备发生损坏。

Description

空气干砂选煤系统上用排矸系统上的吸料装置 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吸料装置。
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；这种结构在使用时会将大小矸石及介质统一排出，但是链条容易卡进矸石，这对链条的损害较大；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吸料装置，它具有能对大小矸石进行筛分及能防止设备发生损坏的特点。
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吸料装置，其包括分选室、收集箱、吸料风机、送料管、吸料管及移动装置，所述分选室上设置有过滤大颗粒矸石的滤层，所述吸料管设置在分选室的底部，所述吸料管底部设置有吸料孔，所述送料管与吸料管固定连接且其之间连通；所述送料管的尾端连接有软管，所述软管的端部与收集箱连接；所述吸料风机设置在收集箱上；所述送料管与移动装置连接并在移动装置的控制下前后移动。
所述移动装置由驱动电机、滚珠丝杠及连接座，所述滚珠丝杠与驱动电机连接，所述连接座一端与滚珠丝杠连接，其另一端与送料管连接。
所述送料管与吸料管之间垂直设置。
采用上述结构后，本发明和现有技术相比所具有的优点是：本发明通过预先对矸石进行颗粒筛分，小颗粒的矸石及介质在吸料风机的作用下被吸料管吸入，并通过送料管进入到收集箱内进行处理，其相比现有的结构能有效防止设备受到损坏。
附图说明
图1是本发明的结构示意图。
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所示：一种空气干砂选煤系统上用排矸系统上的吸料装置，其包括分选室10、收集箱11、吸料风机12、送料管13、吸料管14及移动装置15，分选室10内设置有过滤大颗粒矸石的滤层101，通过滤层101的过滤，大颗粒矸石堆积在滤层101上，而小颗粒矸石通过滤层101上的缝隙掉落到分选室10的底部。吸料管14设置在分选室的底部，在吸料管14底部 设置有吸料孔，吸料孔的个数根据分选室10的规格大小来进行确定，其在吸料管14上均匀分布。送料管13与吸料管14垂直固定连接且其之间连通，通过吸料管14所吸进的小颗粒矸石及介质会经过送料管13输送到收集箱11内。在送料管13的尾端连接有软管16，软管16的端部与收集箱11连接，软管16能够进行伸缩，以便送料管13有位移行程。吸料风机12设置在收集箱11上，通过吸料风机12的风力吸引，吸料管14能够吸收分选室10底部的小颗粒矸石及介质，在经过吸料管14及软管16后，最后掉落在收集箱11内。送料管13与移动装置15连接并在移动装置15的控制下前后移动，移动装置15由驱动电机20、滚珠丝杠21及连接座22，滚珠丝杠21与驱动电机20连接，连接座22一端与滚珠丝杠21连接，其另一端与送料管15连接；工作时，通过驱动电机20的驱动，滚珠丝杠21带动连接座22移动，而连接座22能够带动送料管13前后移动，同时能够让吸料管14在分选室10的底部吸收小颗粒矸石及介质。在吸料管14的两端设置有滚轮，在分选室10内设置有滑道102，滚轮在滑道102内滑动设置，这种结构能够方便吸料管14定位及移动，提高使用的流畅性。

Claims (3)

  1. 一种空气干砂选煤系统上用排矸系统上的吸料装置，其特征在于：包括分选室、收集箱、吸料风机、送料管、吸料管及移动装置，所述分选室上设置有过滤大颗粒矸石的滤层，所述吸料管设置在分选室的底部，所述吸料管底部设置有吸料孔，所述送料管与吸料管固定连接且其之间连通；所述送料管的尾端连接有软管，所述软管的端部与收集箱连接；所述吸料风机设置在收集箱上；所述送料管与移动装置连接并在移动装置的控制下前后移动。
  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吸料装置，其特征在于：所述移动装置由驱动电机、滚珠丝杠及连接座，所述滚珠丝杠与驱动电机连接，所述连接座一端与滚珠丝杠连接，其另一端与送料管连接。
  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吸料装置，其特征在于：所述送料管与吸料管之间垂直设置。
PCT/CN2019/117959 2018-11-14 2019-11-13 空气干砂选煤系统上用排矸系统上的吸料装置 WO2020098690A1 (zh)

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CN201811350330.8 2018-11-14

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Publication number Priority date Publication date Assignee Title
CN109317299A (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吸料装置

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CN1593774A (zh) * 2003-09-12 2005-03-16 唐山市神州机械有限公司 干法分选床、采用该分选床的复合式干法分选机及分选装置
CN201279508Y (zh) * 2008-09-27 2009-07-29 镇江华东电力设备制造厂 石子煤真空清理分选系统
JP2010036134A (ja) * 2008-08-06 2010-02-18 Chugoku Electric Power Co Inc:The 分級機の清掃装置および清掃方法
CN109317299A (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吸料装置
CN209238158U (zh) * 2018-11-14 2019-08-13 王光领 空气干砂选煤系统上用排矸系统上的吸料装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1051866A (en) * 1976-09-24 1979-04-03 Peter Tymocko Dust collection system
CN1593774A (zh) * 2003-09-12 2005-03-16 唐山市神州机械有限公司 干法分选床、采用该分选床的复合式干法分选机及分选装置
JP2010036134A (ja) * 2008-08-06 2010-02-18 Chugoku Electric Power Co Inc:The 分級機の清掃装置および清掃方法
CN201279508Y (zh) * 2008-09-27 2009-07-29 镇江华东电力设备制造厂 石子煤真空清理分选系统
CN109317299A (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吸料装置
CN209238158U (zh) * 2018-11-14 2019-08-13 王光领 空气干砂选煤系统上用排矸系统上的吸料装置

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