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WO2008000167A1 - Dispositif étanche et combiné de tri de charbon par voie sèche - Google Patents

Dispositif étanche et combiné de tri de charbon par voie sèche Download PDF

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Publication number
WO2008000167A1
WO2008000167A1 PCT/CN2007/001970 CN2007001970W WO2008000167A1 WO 2008000167 A1 WO2008000167 A1 WO 2008000167A1 CN 2007001970 W CN2007001970 W CN 2007001970W WO 2008000167 A1 WO2008000167 A1 WO 2008000167A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
coal preparation
dry coal
composite dry
sorting
Prior art date
Application number
PCT/CN2007/001970
Other languages
English (en)
Chinese (zh)
Inventor
Gongmin Li
Original Assignee
Gongmin Li
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 Gongmin Li filed Critical Gongmin Li
Publication of WO2008000167A1 publication Critical patent/WO2008000167A1/fr

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Classifications

    • 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
    • B03B4/00—Separating by pneumatic tables or by pneumatic jigs
    • 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
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall

Definitions

  • the invention relates to a separation device for coal and vermiculite and pyrite, in particular to a closed composite dry coal preparation device. Background technique
  • the traditional dry sorting machine is mainly a lateral vibration structure, the structure is complicated, the equipment is large, and the bed surface is rectangular, the utilization rate is low, and the operation and maintenance are extremely inconvenient.
  • CN2314850 discloses a composite dry sorting machine consisting of a suspended double vibrating motor linear vibrator and a sorting bed, and three air chambers and air ducts communicating with the sorting bed, in vibration force and updraft Under the action, the material is spirally moved and layered according to density, and separated by multiple cycles to separate the low-density material from the high-density material, which improves the sorting effect, but the resulting dust pollution cannot be ignored, although
  • the utility model integrates the sorting bed and the air chamber, improves the sealing effect and uses the dust hood to reduce environmental pollution, but there is still no seal between the dust collecting hood, the sorting machine and the discharging device. The location, so there is still a considerable degree of dust pollution. Summary of the invention
  • a closed composite dry coal preparation device including a frame, a buffer tank, a vibration distribution feeder, a sorting machine, a hanging device, and a discharge device.
  • the air dust removing device comprises a centrifugal fan, a dust collecting cover, a dust remover, a dust removing fan and a plurality of air chambers; the sorting machine and the dust collecting cover
  • the discharge device is integrally sealed by an enclosure; the centrifugal fan is connected to the air chamber through a pipeline; the inlet of the dust collector is connected to the outlet of the dust suction cover, and the outlet of the dust collector is The inlet of the dust removal fan is connected.
  • the dust remover is preferably a bag filter, and a reverse blower is mounted on the upper portion thereof.
  • the air dust removing device of the present invention may further comprise another dust remover, and the inlet and outlet of the other dust remover are respectively connected to the dust collecting hood and the centrifugal fan through a pipeline.
  • the other dust remover is preferably a straight cylindrical cyclone.
  • the present invention preferably has an electric valve disposed on its outlet duct.
  • the closure of the present invention is preferably assembled from a thin iron plate.
  • the foamed plastic is adhered to the inner wall of the closure of the present invention.
  • the hanging device according to the present invention is a double wire rope damping spring hanging device.
  • the rear portion of the sorting machine is provided with four vibration motors that are linearly coupled to generate a linear motion.
  • the plenum according to the present invention is preferably located below the sorting bed of the sorting machine and integrated with the bed surface, preferably a total of 10-20 plenums are arranged, and each plenum is softly connected with the inlet duct And set the damper.
  • the plenum of the plenum of the present invention closest to the inlet of the sorting bed may be equipped with a high pressure centrifugal fan as an auxiliary fan.
  • the closed composite dry coal preparation device according to the present invention, the sorting machine and the suction
  • the dust cover and the discharge device are integrally sealed by a closed body, and the dust-containing gas in the dust collecting cover of the sorting machine and the air around the sorting machine can be sent to the dust remover for dust removal, and then the purified air is discharged outside the factory.
  • the use of the enclosure not only ensures complete dust removal, but also avoids the influence of the sorting system on the environment inside the plant during the dust removal process and the influence of other factors in the environment on the dust removal. In addition, the noise from the sorting system can be reduced. . In order to ensure the good dust removal effect while ensuring the sorting effect of dry coal preparation, it is a dry coal preparation device that adapts to modern large-scale production and environmental protection requirements.
  • Figure 1 is a schematic front view of the structure of the present invention (buffer bin and feeder means not shown).
  • Figure 1 is a schematic side view showing the structure of the present invention.
  • Figure 3 is a schematic plan view showing the structure of the present invention. detailed description
  • the closed composite dry coal preparation device of the present embodiment is composed of an air outlet pipe 1, a material device 2, a double wire rope vibration damping spring hanging device 3, a bed surface 4, a discharge baffle plate 5, and a bag type dust collector. 6. Electric cutting flap 7, dusting fan 8, gangue outlet 9, medium coal outlet 10, clean coal outlet 11, air chamber 12, auxiliary fan 13, centrifugal fan 14, back plate 15, sorting bed 16, vibration Motor 17, rack 18, sorting machine 19, vibration distribution feeder 20, buffer tank 21, dust hood 22, blower 23, chimney 24, inlet duct 25, straight cyclone stack 26 and closure Body 27 and so on.
  • the sorting machine 19 is mounted on the frame 18 by a double wire rope damping spring hanging device 3, which is composed of a dust collecting cover 22, a sorting bed 16, and a discharging device 2, and four linkages are arranged at the rear portion thereof.
  • the linear motion vibration motor 17 is configured to generate a sufficient vibration effect;
  • the dust suction cover 22 is located at an upper portion of the sorting machine 19, and the separation bed 16 is composed of a bed surface 4, a back plate 15, a discharge baffle 5, and a wind chamber 12.
  • the composition is integrally sealed with the dust collecting cover 22 and the discharging device 2 by the closing body 27, and the closing body 27 is assembled by pressing and forming a thin iron plate, and the inner wall of the closing body 27 is sprayed with foamed plastic to form heat preservation and lowering.
  • the noise layer is provided with a transparent plastic tile on the top of the closing body 27 to facilitate the glare, and the door of the closing body is provided with an operator's door for entry and exit, which is convenient for operation.
  • the closing body 27 is provided with a hole for providing a pipe in and out at a corresponding position, and a gap between the hole and the pipe is sealed by a foamed plastic sprayed on the inner wall of the closing body 27.
  • the discharging device 2 is composed of a discharge chute and a clean coal outlet 11 of a clean coal, a medium coal, a vermiculite, a medium coal outlet 10, a meteorite outlet 9 and the like, and an electric cutting flap 7 is arranged in the discharge chute and is located in the sorting device.
  • the air chamber 12 is located below the bed surface 4 and is integrated with the bed surface 4.
  • a total of 16 air chambers 12 are provided, and each of the air chambers 12 is softly connected with the air inlet tube 25 and is provided with a damper.
  • the first air chamber at the feed port of the sorting bed 16 is equipped with a high-pressure centrifugal fan as an auxiliary fan 13 for further controlling the air volume and enhancing the effect of sorting.
  • the centrifugal fan 14 is connected to the dust collecting hood 22 of the sorting machine 19 and the combination of the straight cylindrical cyclone 26 through the air inlet pipe 25 and the air outlet pipe 1, and an electric valve is arranged on the outlet pipe.
  • the inlet of the bag filter 6 is connected to the outlet on the dust collecting hood 22, the upper part of which is connected to the inlet of the dust removing fan 8, the outlet of the dust removing fan 8 is connected to the chimney 24, and the upper part of the bag filter 6 is installed.
  • the vibration distribution feeder 20 is installed in the lower part of the buffer tank 21, and the amplitude and the inclination angle thereof can be adjusted.
  • the lateral and longitudinal angles of the sorting bed 16 can be electrically adjusted by the Han wire rope damping spring hanging device 3, and the dust collecting cover There are two parallel exits on the 22nd.
  • the raw coal is selected into the buffer tank 21 via the belt feeder, and the feeding amount is controlled by the vibration distribution feeder 20, and uniformly distributed to the sorting bed 16 in the sorting machine 19, behind the sorting machine 19
  • the four vibration motors 17 are linked to generate a linear motion, so that the selected raw coal forms a layer having a certain thickness in the separation bed 16, and is loose under the action of vibration force and wind force, and is layered according to the density.
  • the clean coal with a lower density of the upper layer of the material falls into the discharge chute through the discharge device 2, and is transported by the belt conveyor at the lower part of the clean coal outlet 11; the medium coal with a higher density is discharged from the medium coal outlet 10 through the discharge device 2 .
  • the bottom layer of the bed 4, vermiculite and pyrite are concentrated to the end of the vermiculite under the action of vibration inertia, and are discharged by the vermiculite outlet 9.
  • the electric cutting flap 7 is arranged in the discharge chute to control the product quality.
  • the dust collecting hood 22 above the sorting bed 16 has two juxtaposed outlets, adopting a parallel dust removing process, and the wind removing part includes a centrifugal fan 14, an air inlet pipe 25, an air outlet pipe 1, a dust collecting hood 22, and a straight whirlwind.
  • the parallel dust removal process is divided into two lines: First, the dust-containing gas enters the straight cyclone dust collector combination 26 from one outlet of the dust suction hood 22, and the gas returns to the centrifugal fan 14 after the dust removal, and then passes through the air outlet pipe by the centrifugal fan 14. 1 is fed into each of the lower chambers 12 of the sorting bed 16 to form a circulation.
  • the function is to ensure the sorting effect and reduce the wear of the fan impeller; secondly, part of the dust-containing gas and the air around the dry sorter enter the bag filter 6 from the other outlet of the dust hood 22, and the purified air is filtered by the bag type.
  • the dust removing fan 8 at the lower portion of the precipitator 6 is discharged into the atmosphere via the chimney 24. Due to the implementation of integral sealing and negative pressure operation, _ to ensure that the working environment and the atmospheric environment are not contaminated by coal dust. Set in the upper part of the bag filter 6
  • the anti-hair dryer 23 can effectively improve the dust removal effect.
  • the device can improve the working efficiency and the sorting effect by adjusting the amplitude, inclination angle of the vibration distribution feeder 20 and the lateral and longitudinal angles of the sorting bed 16.
  • the electrical control part includes the step-down starter cabinet, the power distribution rejection and the automatic control cabinet, and realizes the functions of automatic interlock control, open-stop automatic program control, automatic alarm, bed body anti-resonance protection and system operation status display.
  • the difference is that the air inlet pipe 25, the air outlet pipe 1, and the straight cyclone dust collector combination 26 are not provided in the embodiment, and the centrifugal fan 14 only enters the air from the outside, and only passes the bag type dust removal.
  • the device 6 completes the dust removal.
  • the auxiliary fan 13 is not provided, and a total of 10 air chambers are provided.
  • the inner wall of the closing body 27 of this embodiment is not provided with a foamed plastic layer, and the sealing of the holes and the corresponding pipes on the inner wall is completed by the sealing ring.
  • Embodiment 1 is different in that this embodiment has a total of 20 plenums.
  • the above examples are merely illustrative of the invention and are not intended to limit the invention. If the enclosure is made of steel or other materials, the alternatives of the other precipitators that can achieve the effects of the present invention, the variations of the suspension system, etc., should fall within the scope of the present invention.

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

L'invention concerne un dispositif étanche et combiné de tri de charbon par voie sèche comprenant un châssis (18), une trémie (21), un dispositif d'alimentation vibrant (20), un dispositif de tri (19), un dispositif en porte-à-faux (3), un dispositif de décharge (2) et un dispositif d'alimentation d'air et de dépoussiérage. Ledit dispositif d'alimentation d'air et de dépoussiérage comprend un ventilateur centrifuge (14), une hotte d'aspiration de poussière (22), un collecteur de poussière, un ventilateur soufflant la poussière (8) et des chambres à air (12). Le dispositif de tri (19), la hotte d'aspiration de poussière (22) et le dispositif de décharge (2) sont fermés au moyen d'un équipement de scellement intégré. Le ventilateur centrifuge (14) est connecté aux chambres à air (12) au moyen de pipelines. La sortie du collecteur de poussière est connectée à l'entrée du ventilateur soufflant la poussière (8). Le dispositif de tri de charbon de l'invention peut éliminer complètement la poussière et également limiter les bruits.
PCT/CN2007/001970 2006-06-23 2007-06-25 Dispositif étanche et combiné de tri de charbon par voie sèche WO2008000167A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2006200248205U CN200942390Y (zh) 2006-06-23 2006-06-23 封闭式复合式干法选煤装置
CN200620024820.5 2006-06-23

Publications (1)

Publication Number Publication Date
WO2008000167A1 true WO2008000167A1 (fr) 2008-01-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/001970 WO2008000167A1 (fr) 2006-06-23 2007-06-25 Dispositif étanche et combiné de tri de charbon par voie sèche

Country Status (4)

Country Link
CN (1) CN200942390Y (fr)
TR (1) TR200809637U (fr)
WO (1) WO2008000167A1 (fr)
ZA (1) ZA200810809B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107233995A (zh) * 2017-07-12 2017-10-10 六盘水师范学院 一种基于床层分板的自介质气固两相流化床干法选煤机
CN107803269A (zh) * 2017-12-04 2018-03-16 中国矿业大学 复合力场干法分选机
CN113145458A (zh) * 2021-03-31 2021-07-23 唐山市神州机械有限公司 一种节能干法选煤系统

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206523B (zh) * 2011-04-21 2013-04-03 李功民 一种褐煤粉热成型装置
CN104138797B (zh) * 2014-07-11 2017-06-06 魏大山 一种多级复合式干法选煤系统及方法
CN104259104B (zh) * 2014-09-24 2015-12-02 王雪 一种全封闭振动筒体连续气流动力选煤机
CN104525359B (zh) * 2014-12-30 2017-05-17 唐山市神州机械有限公司 采用干法重介质分选床的干法重介分选机及分选装置
CN107570437A (zh) * 2016-07-04 2018-01-12 天津美腾科技有限公司 集除尘装置于一体的智能干选机
CN106669970B (zh) * 2017-02-27 2019-01-01 湖南青冲锰业有限公司 钢铁厂烧结机头除尘灰再生利用干式处理设备
CN115350916A (zh) * 2022-08-23 2022-11-18 兖矿科技有限公司 一种细粒末煤振动梯级分选机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309355A (en) * 1940-08-30 1943-01-26 Peale Richard Mechanism for separating intermixed divided materials
CN2101532U (zh) * 1991-08-16 1992-04-15 煤炭科学研究总院唐山分院 复合式干法分选机
CN2314850Y (zh) * 1998-02-09 1999-04-21 唐山市选煤成套设备厂 复合式干法分选机
CN2499141Y (zh) * 2001-04-27 2002-07-10 李功民 复合式干法分选机
CN2514939Y (zh) * 2001-12-28 2002-10-09 李功民 多层复合式干法选煤机
CN2628165Y (zh) * 2003-05-18 2004-07-28 唐山市神州机械有限公司 复合式干法选煤装置
CN2654236Y (zh) * 2003-11-04 2004-11-10 苏州科技学院 复合式干法电子废弃物分选机
CN2663027Y (zh) * 2003-10-09 2004-12-15 任尚锦 风力干选机
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309355A (en) * 1940-08-30 1943-01-26 Peale Richard Mechanism for separating intermixed divided materials
CN2101532U (zh) * 1991-08-16 1992-04-15 煤炭科学研究总院唐山分院 复合式干法分选机
CN2314850Y (zh) * 1998-02-09 1999-04-21 唐山市选煤成套设备厂 复合式干法分选机
CN2499141Y (zh) * 2001-04-27 2002-07-10 李功民 复合式干法分选机
CN2514939Y (zh) * 2001-12-28 2002-10-09 李功民 多层复合式干法选煤机
CN2628165Y (zh) * 2003-05-18 2004-07-28 唐山市神州机械有限公司 复合式干法选煤装置
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
CN2663027Y (zh) * 2003-10-09 2004-12-15 任尚锦 风力干选机
CN2654236Y (zh) * 2003-11-04 2004-11-10 苏州科技学院 复合式干法电子废弃物分选机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107233995A (zh) * 2017-07-12 2017-10-10 六盘水师范学院 一种基于床层分板的自介质气固两相流化床干法选煤机
CN107803269A (zh) * 2017-12-04 2018-03-16 中国矿业大学 复合力场干法分选机
CN113145458A (zh) * 2021-03-31 2021-07-23 唐山市神州机械有限公司 一种节能干法选煤系统
CN113145458B (zh) * 2021-03-31 2024-01-23 唐山神州机械集团有限公司 一种节能干法选煤系统

Also Published As

Publication number Publication date
TR200809637U (tr) 2009-03-23
ZA200810809B (en) 2009-09-30
CN200942390Y (zh) 2007-09-05

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