WO2017000883A1 - Dispositif de séchage en ligne d'échantillon de charbon basé sur l'intégration de collecte et de fabrication et procédé de séchage en ligne - Google Patents

Dispositif de séchage en ligne d'échantillon de charbon basé sur l'intégration de collecte et de fabrication et procédé de séchage en ligne Download PDF

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Publication number
WO2017000883A1
WO2017000883A1 PCT/CN2016/087661 CN2016087661W WO2017000883A1 WO 2017000883 A1 WO2017000883 A1 WO 2017000883A1 CN 2016087661 W CN2016087661 W CN 2016087661W WO 2017000883 A1 WO2017000883 A1 WO 2017000883A1
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WO
WIPO (PCT)
Prior art keywords
drying
chamber
coal
assembly
heating
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PCT/CN2016/087661
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English (en)
Chinese (zh)
Inventor
朱先德
张仲焘
朱青
Original Assignee
湖南三德科技股份有限公司
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Publication of WO2017000883A1 publication Critical patent/WO2017000883A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00

Definitions

  • the invention mainly relates to the field of coal sample detection, and particularly relates to a coal sample online drying device and an online drying method based on integrated production.
  • the technical problem to be solved by the present invention is that, in view of the technical problems existing in the prior art, the present invention provides an on-line drying apparatus for coal samples based on integrated production, which is simple and compact in structure, convenient in operation and high in automation.
  • the invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying equipment with high degree of automation and good drying effect.
  • the present invention adopts the following technical solutions:
  • An online drying apparatus for coal sample based on integrated production comprising a drying chamber, a drying chamber upper cover assembly, a blanking chamber, a heating assembly and a blower fan, wherein the drying chamber is used for accommodating the coal sample to be tested and completing the drying operation, The air blower is used to send the heated air of the heating component into the drying chamber; the blanking chamber is located below the drying chamber, and the dried coal sample in the drying chamber falls into the blanking chamber.
  • the drying chamber is provided with a drying chamber upper cover assembly
  • the drying chamber upper cover assembly includes a blast chamber upper cover and a lifting and rotating mechanism
  • the lifting and rotating mechanism is fixedly mounted on the blast chamber.
  • the lifting and rotating mechanism includes a sweeping member and a lifting member, and the sweeping member is mounted on the lifting member for lifting movement.
  • the lifting and rotating mechanism includes a lifting motor, a rotating electrical machine, a micro switch assembly and a sweeping plate, and the rotating electrical machine is mounted on a transmission mechanism connected to the lifting motor, and the driving end of the rotating electrical machine The wiper blade is connected, and the micro switch assembly is located at a top dead center and a bottom point of the lifting and lowering movement of the lifting and rotating mechanism.
  • the drying chamber is provided with an inlet, and the coal sample to be dried enters from the inlet, and is stored in a lower chamber located in a lower portion of the drying chamber for drying.
  • the blast fan is used to send the heated air of the heating assembly to the drying chamber through the blanking chamber;
  • the blanking chamber includes a blast chamber, a welding chamber inner cavity welding member, and a blanking material.
  • the blast chamber, the blank chamber inner weld, the seal flap assembly and the lower chamber of the drying chamber form a relative seal
  • the space allows high pressure air passing through the heating assembly to penetrate the coal seam only from the screen pan assembly.
  • the sieve tray flap assembly includes a sieve tray flap, a first rotating shaft and a first actuator; the sieve tray flap is driven by the first actuator to achieve a horizontal to vertical direction of 90 The movement of the stroke, which is used to shake off the pulverized coal adhered to the sieve tray.
  • the sealing flap assembly includes a sealing flap, a second rotating shaft and a second actuator, and the sealing flap assembly realizes a 90° stroke from a horizontal to a vertical direction by the second actuator. exercise.
  • the tightening device comprises a cylinder and a wedge block.
  • the invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying device, which adopts a method of heating from bottom to top and heating while stirring: high-pressure air is heated after heating assembly, and is formed in a lower cavity of the drying chamber. A relatively sealed space, the heated high-pressure air penetrates the coal seam to carry away the moisture in the coal sample to achieve drying; during the drying process, the lifting and rotating mechanism rotates to drive the scraping sheet for stirring.
  • the invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying device, which adopts a method of heating from top to bottom blast and heating while stirring: high-pressure air is heated after heating assembly, and a relative is formed in the drying chamber. The sealed space, the heated high-pressure air penetrates the coal seam to carry away the moisture in the coal sample to achieve drying; during the drying process, the lifting and rotating mechanism rotates to drive the scraping sheet for stirring.
  • the invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying device, which adopts a combination of top-down blast heating and bottom-up blast heating: high-pressure air is heated after heating assembly, and enters in the drying chamber. A relatively sealed space is formed, and the heated high pressure air penetrates the coal seam to carry away the moisture in the coal sample to achieve drying.
  • the on-line drying equipment and the online drying method based on the integrated production method of the invention have the advantages of simple and compact structure, convenient operation and high degree of automation, and can realize automatic online drying treatment on the wet coal sample;
  • the viscosity is judged, and the degree of dryness is judged in real time. If the coal sample has met the requirements of the lower unit, it will stop automatically. Dry, the coal sample is automatically blanked and enters the next step.
  • the whole process fully realizes the automatic operation, improves the precision of sample preparation, avoids manual participation, improves work efficiency, and reduces the labor intensity.
  • the drying efficiency of the online drying device is greatly improved compared with the conventional drying method, and the time for preparing the whole coal sample is greatly saved.
  • the on-line drying equipment and on-line drying method of the integrated coal sample based on the invention can perform corresponding targeted automatic drying treatment on coal samples with different humidity, so as to avoid subsequent crushing and shrinking in the automatic sampling and sample preparation equipment. Blockage in the sub-equipment causes problems in the entire assembly line.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the present invention in which a part of the outer casing is removed in another perspective.
  • Figure 3 is a perspective exploded view of the blanking chamber of the present invention in a specific application example.
  • Fig. 4 is a schematic view showing the mounting structure of the squeegee in the specific application example of the present invention.
  • drying chamber 1, drying chamber; 101, inlet port; 102, lower chamber; 2, drying chamber upper cover assembly; 201, blast chamber upper cover; 202, lifting and rotating mechanism; 220, lifting motor; 221, rotating electric machine; , screw; 223, screw sleeve; 224, motor mount; 225, micro switch assembly; 226, connecting plate; 227, spur gear; 228, connecting rod; 229, sweeping sheet; 301, blast chamber; 302, blanking chamber inner welding member; 303, blanking chamber welding member; 304, sieve tray flap assembly; 305, sealing flap assembly; 306, tightening device; 307, vibrator; 341, sieve tray flap; 342, first rotating shaft; 343, first driver; 351, sealing flap; 352, second rotating shaft; 353, second driver; 361, cylinder; 362, wedge block; Heating assembly; 5, blower fan.
  • the integrated drying coal sample on-line drying device of the invention comprises a drying chamber 1, a drying chamber upper cover assembly 2, a blanking chamber 3, a heating assembly 4 and a blower fan 5, and the drying chamber 1 is used for accommodating the coal sample to be tested. And completing the drying operation, the blower fan 5 is used to send the heated air of the heating assembly 4 into the drying chamber 1; the blanking chamber 3 is located below the drying chamber 1, and the dried coal sample falls into the drying chamber 1 In the chamber 3.
  • the drying chamber 1 is provided with a feed port 101, and the coal sample to be dried enters from the inlet port 101 and is stored in the lower cavity 102 located in the lower portion of the drying chamber 1 for drying.
  • the drying chamber 1 is provided with a drying chamber upper cover assembly 2 for performing a scraping operation on the coal sample to be tested.
  • the drying chamber upper cover assembly 2 includes a blast chamber upper cover 201 and a lifting and rotating mechanism 202.
  • the lifting and rotating mechanism 202 is fixedly mounted on the blast chamber upper cover 201.
  • the lifting and rotating mechanism 202 is a mechanism having a sweeping function and can pass Lifting and rotating motion to achieve the sweeping operation of the coal sample to be tested.
  • the lifting and rotating mechanism 202 includes a lifting motor 220, rotary motor 221, screw 222, screw sleeve 223, motor mount 224, connecting plate 226, spur gear 227, micro switch assembly 225, connecting rod 228 and sweeping plate 229, wherein: lifting motor 220 is used
  • the driving screw 222 rotates, and the driving screw sleeve 223 drives the connecting plate 226, the rotating electric machine 221, the spur gear 227, the connecting rod 228, and the sweeping piece 229 to perform the lifting movement as a whole.
  • the rotary electric machine 221 is used to drive the connecting rod 228 through the spur gear 227, and to perform a rotational motion together with the sweeping piece 229.
  • the lifting and rotating mechanism 202 can realize the lifting and lowering movement, and can also realize the independent movement of lifting and rotating.
  • the micro switch assembly 225 is used to limit the top dead center and the bottom dead center of the lifting and lowering mechanism 202.
  • the air blower 5 is used to send the heated air of the heating assembly 4 to the drying chamber 1 through the blanking chamber 3;
  • the blanking chamber 3 includes a blast chamber 301, a blanking chamber inner cavity welding member 302, and a falling chamber a cavity weldment 303, a sieve pan flap assembly 304, a sealing flap assembly 305, a tightening device 306, and a vibrator 307; wherein, the blast chamber 301, the blanking cavity inner weld member 302, the sealing flap assembly 305 and The lower chamber 102 of the drying chamber 1 forms a relatively sealed space such that high pressure air passing through the heating assembly 4 can only penetrate the coal seam from the screen pan assembly 304, thereby removing moisture from the coal sample.
  • the sieve tray flap assembly 304 includes a sieve tray flap 341, a first rotating shaft 342 and a first driver 343; the screen tray flap 341 is driven by the first driver 343 to achieve a 90° stroke from horizontal to vertical.
  • the sieve tray assembly 304 is rotated from the vertical direction to the horizontal direction by the first actuator 343, and under the action of the tightening device 306, the sieve tray 341 is reliably tightened.
  • the coal sample to be dried can be dropped onto the sieve tray 341 for drying treatment.
  • the tightening device 306 is retracted, and the sieve pan flap 341 is turned from the horizontal direction to the vertical direction by the first drive 343, and the detected coal sample falls along the inclined wall surface of the blanking chamber 3 into the lower unit. .
  • the vibrator 307 is turned on, and the pulverized coal adhered to the sieve pan 341 is shaken off.
  • the sealing flap assembly 305 includes a sealing flap 351, a second rotating shaft 352, and a second driver 353.
  • the sealing flap assembly 305 realizes a 90° stroke from a horizontal to a vertical direction under the driving of the second driver 353.
  • the sealing flap assembly 305 is rotated from the vertical direction to the horizontal direction under the action of the second driver 353, and under the action of the tightening device 306, the sieve plate flap 341 is reliably tightened.
  • the blast chamber 301, the blank chamber inner weld member 302, the sealing flap assembly 305 and the lower chamber 102 of the drying chamber 1 form a relatively sealed space, so that the high-pressure air passing through the heating assembly 4 can only be turned from the sieve tray.
  • the plate 341 penetrates the coal seam to carry away the moisture in the coal sample.
  • the jacking device 306 includes a needle-shaped cylinder 361 and a wedge block 362.
  • the cylinder 361 ejects the wedge block 362 to reliably tighten the screen pan 341;
  • the sealing flap assembly 305 When flipped to the horizontal position, the cylinder 361 ejects the wedge block 362, reliably tightening the sealing flap assembly 305.
  • the screen pan 341 is tightened at the end by a jacking device 306, and the sealing flap assembly 305 is tightened by three jacking devices 306, one of the left and right sides, distributed in the middle of the sealing flap assembly 305.
  • the sealing of the sealing flap assembly 305 is achieved by a secondary tightening method, that is, the cylinders 361 of the left and right side clamping devices 306 are simultaneously pushed out of the wedge block 362. At this time, the sealing flap assembly 305 is pushed up closer to the lower cavity 102 sealing flange of the drying chamber 1, The cylinder 361 of the end jacking device 306 then ejects the wedge block 362 to securely seal the flap assembly 305.
  • the first driver 343 Before the coal sample is dried, the first driver 343 is first activated to turn the sieve tray 341 from the vertical position to the horizontal position, and then the cylinder 361 of the tightening device 306 is ejected from the wedge block 362 to reliably tighten the sieve tray.
  • the plate 341 then activates the second driver 353, also flips the sealing flap 351 from the vertical position to the horizontal position, and then the cylinders 361 of the left and right side tightening devices 306 first eject the wedge block 362, and then the end tightening device 306
  • the cylinder 361 is ejected from the wedge block 362, and is secondarily tightened to tightly seal the flap 351 to achieve a reliable sealing of the sealing flap 351 and the sealing flange of the lower cavity 102 of the drying chamber 1.
  • the lifting motor 220 in the lifting and rotating mechanism 202 is activated, the connecting plate 226 is lowered to the lowest position together with the sweeping piece 229, the connecting plate 226 triggers the lower limit micro-switch assembly 225, and the lifting motor 220 is stopped;
  • the nozzle 101 enters the drying chamber 1 and falls onto the sieve tray 341.
  • the rotary motor 221 and the lifting motor 220 in the lifting and rotating mechanism 202 are activated.
  • the connecting plate 226 and the sweeping piece 229 are raised while rotating, and the coal sample is dried.
  • the lower cavity 102 of the cavity 1 is flattened, and then the blower fan 5 is started, and then the heating assembly 4 is started.
  • the temperature of the heating component 4 is controlled by temperature.
  • the module is controlled in the range of 40 °C.
  • the degree of drying of the coal sample is judged in real time by the viscosity judgment function module. After judging that the coal sample satisfies the demand of the lower sample preparation step, the heating assembly 4 is stopped first, the heating is stopped, and then the blower fan 5 is stopped, and the lifting and lowering is started.
  • the rotating electric machine 221 of the mechanism 202 stirs and mixes the dried coal sample, then first retracts the tightening device 306 of the sealing flap 351, opens the second driving device 353, and the sealing flap 351 is turned from the horizontal position to the vertical position;
  • the jacking device 306 of the disc flap assembly 304 opens the first driver 343, and the screen disc flap 341 is turned from the horizontal position to the vertical position, while the coal sample will slide down the slope of the blanking chamber 3 to the lower unit.
  • the invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying equipment, that is, a method of "heating from bottom to top and heating while stirring” can be adopted. That is, the high-pressure air is heated by the heating assembly 4 and enters the blast chamber 301.
  • the sealing flap 351, the blanking chamber inner welding member 302, the blast chamber 301, and the lower chamber 102 of the drying chamber 1 form a relatively sealed space.
  • the heated high-pressure air can only penetrate the coal seam from the sieve pan 341, thereby taking away the moisture in the coal sample to achieve the purpose of drying.
  • the rotary electric machine 221 in the lifting and rotating mechanism 202 can be rotated to drive the sweeping piece 229 to perform agitation, which contributes to more efficient dehumidification during the drying process of the coal sample.
  • the present invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying apparatus, that is, a method of "heating from top to bottom blast, stirring while heating". That is, the high-pressure air is heated by the heating assembly 4 and enters the drying chamber 1.
  • the drying chamber 1 forms a relatively sealed space.
  • the heated high-pressure air can only penetrate the coal seam and is discharged from the sieve tray 341 to the outside, thereby transferring the coal.
  • the moisture in the sample is taken away to achieve the purpose of drying.
  • the rotary electric machine 221 in the lifting and rotating mechanism 202 can be rotated to drive the sweeping piece 229 to perform agitation, which contributes to more efficient dehumidification during the drying process of the coal sample.
  • the present invention further provides an on-line drying method based on the above-mentioned coal sample on-line drying device, that is, adopting "self Combination of up-and-down blast heating and top-down blast heating.
  • the coal sample is impervious by unilateral drying from bottom-up blast heating or top-down blast heating. The phenomenon of dry and wet stratification. Therefore, the lower coal sample is firstly dried by the bottom-up blast heating method, and then the upper coal sample is dried by the upper and lower blast heating. The coal is solved by the combined drying method. The sample is dry, wet and stratified.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

L'invention concerne un dispositif de séchage en ligne d'échantillon de charbon basé sur l'intégration de collecte et de fabrication et un procédé de séchage en ligne. Le dispositif de séchage comprend une chambre de séchage (1), un ensemble de couvercle supérieur de chambre de séchage (2), une chambre de chute de matériau (3), un ensemble de chauffage (4) et une soufflante d'air (5), où la chambre de séchage (1) est utilisée pour contenir un échantillon de charbon devant subir une détection et effectuer une opération de séchage, la soufflante d'air (5) est utilisée pour transporter de l'air chauffé par l'ensemble de chauffage (4) dans la chambre de séchage (1), la chambre de chute de matériau (3) est située en dessous de la chambre de séchage (1), et l'échantillon de charbon qui a été séché dans la chambre de séchage (1) tombe dans la chambre de chute de matériau (3). Le procédé de séchage en ligne est un procédé de commande basé sur le dispositif de séchage en ligne, où, grâce au chauffage par soufflage de bas en haut ou de haut en bas tout en effectuant une agitation, de l'air à haute pression entre dans la chambre de séchage (1) par l'intermédiaire de l'ensemble de chauffage (4) pour former un espace relativement fermé, et l'air à haute pression chauffé passe au travers d'une veine de charbon afin d'emporter l'humidité dans l'échantillon de charbon de manière à obtenir le séchage. Le dispositif de séchage est de structure simple et compacte, pratique à utiliser, et a un haut degré d'automatisation.
PCT/CN2016/087661 2015-06-30 2016-06-29 Dispositif de séchage en ligne d'échantillon de charbon basé sur l'intégration de collecte et de fabrication et procédé de séchage en ligne WO2017000883A1 (fr)

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CN201510371223.3A CN105091514B (zh) 2015-06-30 2015-06-30 基于采制一体化的煤样在线干燥设备及在线干燥方法
CN201510371223.3 2015-06-30

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CN106969962A (zh) * 2017-05-26 2017-07-21 力鸿智信（北京）科技有限公司 一种机器人煤炭智能制样系统
CN109237877A (zh) * 2018-10-31 2019-01-18 浙江联诚氨基材料有限公司 一种带自动温控系统的箱式烘干机
CN109540627A (zh) * 2018-12-27 2019-03-29 沈阳环境科学研究院 一种煤质在线分析装置
US10821477B2 (en) * 2017-01-21 2020-11-03 China University Of Mining And Technology Coupled system and method for the separation and drying of moist fine particle coal
CN115316680A (zh) * 2022-06-17 2022-11-11 浙江大好大食品有限公司 一种瓜子烘干流水线
CN115615157A (zh) * 2022-10-18 2023-01-17 浙江海盐力源环保科技股份有限公司 一种防止燃料电池催化层开裂的多级干燥装置
CN117006832A (zh) * 2023-08-10 2023-11-07 明光市飞洲新材料有限公司 一种凹凸棒土智能化热处理设备及处理方法

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CN105091514B (zh) * 2015-06-30 2018-09-07 湖南三德科技股份有限公司 基于采制一体化的煤样在线干燥设备及在线干燥方法
CN107036846B (zh) * 2017-06-21 2023-10-20 长沙开元仪器有限公司 一种自动离合取样机构

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CN103256797A (zh) * 2013-05-04 2013-08-21 江南大学 粉煤灰脉冲气流干燥器
CN204227832U (zh) * 2014-10-31 2015-03-25 湖南三德科技股份有限公司 可刮扫物料的风透式干燥设备
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10821477B2 (en) * 2017-01-21 2020-11-03 China University Of Mining And Technology Coupled system and method for the separation and drying of moist fine particle coal
CN106969962A (zh) * 2017-05-26 2017-07-21 力鸿智信（北京）科技有限公司 一种机器人煤炭智能制样系统
CN109237877A (zh) * 2018-10-31 2019-01-18 浙江联诚氨基材料有限公司 一种带自动温控系统的箱式烘干机
CN109540627A (zh) * 2018-12-27 2019-03-29 沈阳环境科学研究院 一种煤质在线分析装置
CN115316680A (zh) * 2022-06-17 2022-11-11 浙江大好大食品有限公司 一种瓜子烘干流水线
CN115316680B (zh) * 2022-06-17 2023-09-19 浙江大好大食品有限公司 一种瓜子烘干流水线
CN115615157A (zh) * 2022-10-18 2023-01-17 浙江海盐力源环保科技股份有限公司 一种防止燃料电池催化层开裂的多级干燥装置
CN115615157B (zh) * 2022-10-18 2024-04-02 浙江海盐力源环保科技股份有限公司 一种防止燃料电池催化层开裂的多级干燥装置
CN117006832A (zh) * 2023-08-10 2023-11-07 明光市飞洲新材料有限公司 一种凹凸棒土智能化热处理设备及处理方法
CN117006832B (zh) * 2023-08-10 2024-03-05 明光市飞洲新材料有限公司 一种凹凸棒土智能化热处理设备及处理方法

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