CN2165939Y - Dry type sorting unit of vibrating fluidized bed for fine coals - Google Patents
Dry type sorting unit of vibrating fluidized bed for fine coals Download PDFInfo
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- CN2165939Y CN2165939Y CN 93236267 CN93236267U CN2165939Y CN 2165939 Y CN2165939 Y CN 2165939Y CN 93236267 CN93236267 CN 93236267 CN 93236267 U CN93236267 U CN 93236267U CN 2165939 Y CN2165939 Y CN 2165939Y
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- bed
- air
- fluidized bed
- distribution plate
- air distribution
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- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000003245 coal Substances 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 239000003550 marker Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 201000002282 venous insufficiency Diseases 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 18
- 238000005243 fluidization Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to the dry type sorting unit of a vibrating fluidized bed for fine coals, comprising a fluidized bed casing, an upper seal cover, a wind distributing device at the bottom, a vibrating device, a feeding device, a discharge device, a vibration isolating spring, etc. The dry type sorting unit of a vibrating fluidized bed for fine coals is characterized in that vibration is led into the fluidized bed principally; by vibrating the fluidized bed, a fluidized state without air bubbles or with tiny air bubbles can be formed, that is a powder type fluidized state which intensifies the stability and the homogeneity of the fluid density of the fluidized bed to solve the sorting problem of the fine coals with a dry method; material is sorted in the state of the tiny air bubbles and no air bubbles, which raises sorting precision; no means is arranged in the fluidized bed, and a fluidization condition is good; the utility model has the advantages of simple structure, and light weight.
Description
The utility model relates to a kind of separator of solid bulk material, especially a kind of fluidized bed dry type sorting unit of Bed for Fine Coal.
Existing coal separation great majority adopt wet split, to the general employing of sorting of Bed for Fine Coal heavily be situated between cyclone, smalls jigging machine and shaking table etc., but all need water, and water consumption is big, be not suitable for the coal separation of severe cold, water-deficient area and the easy argillization coal of chance water, the slurry circulating system complexity often causes severe contamination to surrounding environment, choosing back coal also will dewater the cost height.
Chinese patent CN87101056A discloses a kind of fluidized bed dry type sorting unit, and it mainly removes device, fluid bed housing and air-distribution device by anchor chain scraper plate output system, medium and forms.Send into sorting material by charging gear, sorting material evenly mixes in the formed quasi-fluid with uniform and stable density at powder medium and ascending air and carries out layering by density.The anchor chain scraper plate that utilization is imbedded in the bed scrapes the light material of come-up and sinking heavy material to reach sorting purposes to the two ends of bed respectively.When the scraper plate translational speed is big, fluidized-bed layer there is bigger disturbance, cause the fluidized-bed layer disorder, influence separating effect; In addition, adopt glass marble to make fill material in pre-air compartment to improve cloth wind performance, equipment heaviness; Its feed coal and dense media are to feed an interior sorting band middle part from bed body top, and it reduces the fluidizing stability at bed middle part, has shortened sorting strip length and sorting time, has reduced sharpness of separation; Anchor chain scraper plate discharge system is all imbedded in the fluidized-bed layer, makes to scrape plate height and be restricted, and influences the disposal ability of separator; Because the structure between the scraper plate is to adopt round-link chain to connect, scraper plate sinks to contacting with air distribution plate easily, and air distribution plate is damaged easily simultaneously.
The purpose of this utility model is to design a kind of novel vibrated fluidized bed sorting unit in order to overcome above-mentioned weak point of the prior art, cause the fluidized-bed layer disorder for overcoming because of the kinetic disturbance of anchor chain, influence the defective of separating effect, in the design, remove anchor chain scraper plate output system, make bed an interior no member and a moving component, introduce the auxiliary fluidisation of vibration simultaneously, it can form the characteristic of uniform and stable quasi-fluid, there is not turbulent bubbling, make material sorting under the particulate fluidization state, solve the dry separation problem of Bed for Fine Coal, reduced environmental pollution, reduced the coal separation cost.
Task of the present utility model realizes that as follows it mainly is made up of fluid bed housing, air-distribution device, vibrating device, charging gear, discharge device and last sealing cover blower unit.In the fluid bed housing, material is pressed the layering of density size in air dense medium fluidized bed, simultaneously material can move to the other end because of the effect of pressure reduction and the vibration end from bed, two ends along the bed length direction in the fluid bed housing are provided with material inlet and light material discharge gate, be provided with the heavy material discharge gate below light material discharge gate, the heavy material discharge gate connects chute and underflow marker impeller in the place down; Light material mouth place establishes the overflow marker impeller, and the material inlet place is connected with the feed chute.The top of going up of fluid bed housing is fixed with the last sealing cover of being with induced duct, symmetry respectively is fixed with a vibrating motor on the two sides vertical with the bed length direction, air-distribution device is equipped with at the bed end, air-distribution device comprises air distribution plate, voltage stabilizing air compartment and air chamber, be provided with the wind-distributing pipe of air inlet pipe and perpendicular connection in the air chamber, many apertures that are directed downwards are arranged on the wind-distributing pipe, voltage stabilizing air compartment is a hollow rectangle framework, its upper base and go to the bottom air distribution plate and pre-air distribution plate are installed, fluid bed integral body bottom is installed on the earthquake isolating equipment, and earthquake isolating equipment adopts rubber spring or metal spring.
The utility model has the following advantages compared with the prior art: adopt vibration to improve the fluid bed performance, make improving greatly like the flow process degree of quasi-fluid, be specially adapted to the dry separation of Bed for Fine Coal; Vibrated fluidized bed forms accurate particulate fluidization, makes material sorting under microvesicle and still state, its sharpness of separation height; Adopt the porous metals sintered plate as air distribution plate and pre-air compartment voltage stabilizing cloth wind, help the formation of particulate fluidization; And no member in the fluid bed, fluidization conditions is good, and is simple in structure, in light weight.
Description of drawings:
Fig. 1 is external form figure of the present utility model.
Fig. 2 is the A-A cutaway view of external form figure of the present utility model.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail, as shown in Figures 1 and 2, it is made up of vibrating motor 1, fixed underpan 2, fluid bed housing 3, last sealing cover 4, air distribution plate 5, rubber blanket 6, adjustable chassis 7, voltage stabilizing air compartment 8, pre-air distribution plate 9, shock insulation spring 10, wind-distributing pipe 11, air inlet pipe 12, air chamber 13, feed chute 14, float coal marker impeller 15, underflow chute 16 and underflow marker impeller 17 etc.Fluid bed housing 3 is cuboid hollow frameworks, the fluid bed inclination angle is 0~20 °, heavy coal is moved to the exhaust end direction in bed smoothly, and discharge by impeller, very useful bolting has last sealing cover 4 on the bed body, the induced duct that can be connected with dust arrester is arranged, it and fluid bed housing Shang Ding and last sealing cover junction rubber seal on the last sealing cover; Fluid bed housing gone to the bottom air distribution plate 5, voltage stabilizing air compartment 8, pre-air distribution plate 9 and air chamber 13, voltage stabilizing air compartment 8 and air chamber 13 are by a plurality of separate separations, the cuboid formed of corresponding air chamber up and down, the top is air distribution plate 5 in the voltage stabilizing air compartment 8, go to the bottom and be pre-air distribution plate 9, constitute voltage stabilizing cloth wind, improved cloth wind performance, compressed air enters its pressure stability behind the pressure stabilizing chamber by pre-air distribution plate, and be evenly distributed, can realize that cloth wind is even; The all metal porous sintered plate of air distribution plate and pre-air distribution plate is made; Air chamber 13 is rectangular cell bodies of inverted ladder type that independently divided each other a plurality of air chambers are formed, on it go to the bottom with pre-air distribution plate 9 and voltage stabilizing air compartment 8 in top, between top and air distribution plate 5 and fluid bed housing are gone to the bottom in the voltage stabilizing air compartment 8 all with rubber seal and bolting, the middle part of air chamber 13 each separate chambers has the wind-distributing pipe 11 that traverses to reach and its a plurality of air inlet pipe 12 connected vertically, many directions aperture is down arranged on the wind-distributing pipe 11, along 3 length direction two ends of fluid bed housing material inlet and light thing discharge gate are arranged, below light thing discharge gate, the weight discharge gate is arranged, its below is connected with underflow chute 16 and underflow marker impeller 17, the impeller transmission connects with motor by universal coupling, and motor does not participate in vibration.In order to make unimpeded the going to the bottom in underflow chute 16 exits of underflow discharge that Channel Group's device is set, it comprises air compartment and air inlet pipe, is connected a porous metals sintered plate between air compartment and chute 16 bottoms and uses bolting; After compressed air feeds from inlet plenum, flow into the chute bottom by the porous metals sintered plate, unimpeded to help discharge, the float coal marker impeller is installed in light thing discharge gate inboard, and it mainly is that float coal is scraped outside discharge gate is discharged bed; The external feed chute 14 of charging aperture is provided with Channel Group's device that comprises air inlet pipe and air compartment for feed is unobstructed in the chute bottom, and its connected mode is identical with chute 16 bottom Channel Group devices; With the perpendicular relative two sides of bed length direction a fixed underpan 2, adjustable chassis 7 and vibrating motor 1 vibrating motor 1 are being installed respectively and adjustable chassis 7 can along the circumferential direction be regulated, be used for regulating direction of vibration, can be according to the different needs of the character and the treating capacity of coal, regulate the coincidence angular adjustment amplitude of exciting piece in the vibrating motor 1, making amplitude is that 0~4mm is adjustable, change frequency of supply and regulate shake frequency, make vibration frequency adjustable at 10~100Hz.The fluid bed integral installation is on four shock insulation springs 10 of symmetry, and isolation spring selects for use rubber spring or metal spring to be installed on the basis.
Claims (6)
1, a kind of vibrated fluidized bed Bed for Fine Coal dry-type separation device, it has one to be the fluid bed housing (3) of rectangle framework, top connects upward sealing cover (4) on it, going to the bottom connects air distribution plate (5), voltage stabilizing air compartment (8), pre-air distribution plate (9), air chamber (13), and wind-distributing pipe (11) and air inlet pipe (12) are arranged in the air chamber; Along bed length direction two ends charging aperture and light thing discharge gate are arranged, below light thing discharge gate, be provided with a hypostasis discharge gate; Hypostasis discharge gate below is connected with underflow chute (16) and underflow impeller (17), the external feed chute of charging aperture (14), there is floating thing marker impeller (15) light thing discharge gate inboard, air compartment (8) is born in voltage stabilizing and air chamber (13) is made up of a plurality of separate separation air chambers, corresponding up and down, air distribution plate (5) and pre-air distribution plate (9) all are porous metals sintered plates; The fluid bed integral installation is on four shock insulation springs of symmetry; Of the present utility model being characterised in that a: fixed underpan (2), adjustable chassis (7) and vibrating motor (1), its direction of vibration, amplitude and frequency adjustable respectively are being installed with the perpendicular two relative side of bed length direction; The bed body has certain inclination angle; The bottom of feed chute (14) and underflow chute (16) is equipped with Channel Group's device.
2, vibrated fluidized bed Bed for Fine Coal dry-type separation device according to claim 1, it is characterized in that: described fluid bed housing (3) is a hollow cuboid.
3, vibrated fluidized bed Bed for Fine Coal dry-type separation device according to claim 1 is characterized in that: certain inclination angle is arranged at described fluid bed bottom, and its angle is between 0~20 °.
4, vibrated fluidized bed Bed for Fine Coal dry-type separation device according to claim 1, it is characterized in that: Channel Group's device of described feed chute (14) and underflow chute (16) bottom all is made up of air compartment and air inlet pipe, the sintered plate that is connected a porous between air compartment and the chute bottom is made air distribution plate, fixes with Bolt Connection; Underflow chute (16) bottom connects a underflow marker impeller (17).
5, vibrated fluidized bed Bed for Fine Coal dry-type separation device according to claim 1, it is characterized in that: have one to make pressure stability, realization cloth wind uniform voltage stabilizing air compartment (8) between described air distribution plate (5) and the pre-air distribution plate (9), pre-air distribution plate (9) all is metal sintering plates of selecting the individual layer porous for use with air distribution plate (5).
6, vibrated fluidized bed Bed for Fine Coal dry-type separation device according to claim 1 is characterized in that: the transmission of described marker impeller (15) and (17) is to connect with motor by universal coupling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 93236267 CN2165939Y (en) | 1993-02-15 | 1993-02-15 | Dry type sorting unit of vibrating fluidized bed for fine coals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 93236267 CN2165939Y (en) | 1993-02-15 | 1993-02-15 | Dry type sorting unit of vibrating fluidized bed for fine coals |
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Publication Number | Publication Date |
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CN2165939Y true CN2165939Y (en) | 1994-05-25 |
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CN 93236267 Expired - Fee Related CN2165939Y (en) | 1993-02-15 | 1993-02-15 | Dry type sorting unit of vibrating fluidized bed for fine coals |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7987613B2 (en) | 2004-10-12 | 2011-08-02 | Great River Energy | Control system for particulate material drying apparatus and process |
CN102198446A (en) * | 2011-05-03 | 2011-09-28 | 中国矿业大学(北京) | Heavy-media dry-method separator with vibration discharge function |
US8062410B2 (en) | 2004-10-12 | 2011-11-22 | Great River Energy | Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein |
CN101444778B (en) * | 2009-01-05 | 2012-09-05 | 中国矿业大学(北京) | Dry method cull eliminator and application thereof |
CN102921636A (en) * | 2012-11-07 | 2013-02-13 | 中国矿业大学 | Authigenic medium vibrated fluidized bed dry separating method and separating machine |
CN103196281A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Drying and separation integrated machine for vibrated fluidized bed |
US8523963B2 (en) | 2004-10-12 | 2013-09-03 | Great River Energy | Apparatus for heat treatment of particulate materials |
US8579999B2 (en) | 2004-10-12 | 2013-11-12 | Great River Energy | Method of enhancing the quality of high-moisture materials using system heat sources |
CN103433216A (en) * | 2013-08-24 | 2013-12-11 | 中能东讯新能源科技(大连)有限公司 | Dry method selective solid material separation device |
CN103785530A (en) * | 2014-03-10 | 2014-05-14 | 衢州市易凡设计有限公司 | Washing process for coal with much ash, mud and gangue |
CN104353547A (en) * | 2014-11-10 | 2015-02-18 | 成都利君实业股份有限公司 | Feeding device of dry magnetic separator |
CN104613734A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Vibrated fluidized bed |
CN110605177A (en) * | 2019-10-24 | 2019-12-24 | 中国矿业大学 | Differential gas-solid separation vibrating fluidized bed coal separation device and method |
-
1993
- 1993-02-15 CN CN 93236267 patent/CN2165939Y/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8523963B2 (en) | 2004-10-12 | 2013-09-03 | Great River Energy | Apparatus for heat treatment of particulate materials |
US8579999B2 (en) | 2004-10-12 | 2013-11-12 | Great River Energy | Method of enhancing the quality of high-moisture materials using system heat sources |
US8062410B2 (en) | 2004-10-12 | 2011-11-22 | Great River Energy | Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein |
US7987613B2 (en) | 2004-10-12 | 2011-08-02 | Great River Energy | Control system for particulate material drying apparatus and process |
CN101444778B (en) * | 2009-01-05 | 2012-09-05 | 中国矿业大学(北京) | Dry method cull eliminator and application thereof |
CN102198446A (en) * | 2011-05-03 | 2011-09-28 | 中国矿业大学(北京) | Heavy-media dry-method separator with vibration discharge function |
CN102921636A (en) * | 2012-11-07 | 2013-02-13 | 中国矿业大学 | Authigenic medium vibrated fluidized bed dry separating method and separating machine |
CN102921636B (en) * | 2012-11-07 | 2015-04-29 | 中国矿业大学 | Authigenic medium vibrated fluidized bed dry separating method |
CN103196281A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Drying and separation integrated machine for vibrated fluidized bed |
CN103433216A (en) * | 2013-08-24 | 2013-12-11 | 中能东讯新能源科技(大连)有限公司 | Dry method selective solid material separation device |
CN103785530A (en) * | 2014-03-10 | 2014-05-14 | 衢州市易凡设计有限公司 | Washing process for coal with much ash, mud and gangue |
CN104353547A (en) * | 2014-11-10 | 2015-02-18 | 成都利君实业股份有限公司 | Feeding device of dry magnetic separator |
CN104613734A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Vibrated fluidized bed |
CN110605177A (en) * | 2019-10-24 | 2019-12-24 | 中国矿业大学 | Differential gas-solid separation vibrating fluidized bed coal separation device and method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |