CN202725494U - Gas-solid fluidized bed separator based on pulse airflow - Google Patents
Gas-solid fluidized bed separator based on pulse airflow Download PDFInfo
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- CN202725494U CN202725494U CN 201220213107 CN201220213107U CN202725494U CN 202725494 U CN202725494 U CN 202725494U CN 201220213107 CN201220213107 CN 201220213107 CN 201220213107 U CN201220213107 U CN 201220213107U CN 202725494 U CN202725494 U CN 202725494U
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- sorting groove
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- fluidized bed
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- 239000007787 solid Substances 0.000 title claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 210000001364 upper extremity Anatomy 0.000 claims description 7
- 238000000926 separation method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 10
- 239000003245 coal Substances 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010410 dusting Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 27
- 239000012530 fluid Substances 0.000 description 5
- 201000002282 venous insufficiency Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a gas-solid fluidized bed separator based on pulse airflow. The separator mainly comprises a separation groove, an air distribution plate, a de-dusting cover and a bracket; a light product discharging wheel is arranged at the tail end of the separation groove; a back heavy product discharging wheel is arranged at the tail end of a back air distribution chamber; a front heavy product discharging wheel is arranged at the tail end of a front air distribution chamber; a back air duct and a front air duct are respectively arranged at the bottoms of the back air distribution chamber and the front air distribution chamber; the back air duct and the front air duct are connected with an air inlet pipe through a three-way connector; and the air inlet pipe is sequentially provided with a pulse airflow generator and an airflow amount adjusting valve. The separator provided by the utility model guides the pulse airflow into the gas-solid fluidized bed, and a material is conveyed forward under the effect of an inclined angle of the separation groove and the pulse airflow; floats and sediments are respectively discharged through the light product discharging wheel and the heavy product discharging wheel, so that the medium circulation amount can be effectively reduced; and the height of a front supporting leg can be adjustable, and the inclined angle of the separation groove can be adjusted, so that the coal conveying speed and the separating time can be adjusted.
Description
Technical field
The utility model relates to a kind of gas-solid fluidized bed separator, belongs to the Mineral Processing Engineering field, is particularly useful for the dry physical sorting of coal.
Background technology
The equipment that is used at present coal dry cleaning has air dense medium fluid-bed separator and Duplex dry separator.Wherein, the drag conveyor that motion is housed in the air dense medium fluid-bed separator is realized transportation and the discharging of floating thing and hypostasis, the athletic meeting of scraper plate affects fluidised stability, the material back-mixing that causes layering, reduce the efficiency of separation, scraper plate can produce abrasive action to the material between air distribution plate and the scraper plate when pressing close to the air distribution plate motion simultaneously, increase the wearing and tearing of air distribution plate and scraper plate, caused the plug-hole phenomenon of air distribution plate.Effective sorting granularity of air dense medium fluid-bed separator is 50-6mm, and the Bed for Fine Coal separating effect of p-6mm is poor, can not adapt to the sorting requirement of the Bed for Fine Coal that output increases day by day.The efficiency of separation of Duplex dry separator is low, low precision, narrow application range.Vibrated fluidized bed can improve fluidized state, realize the sorting to Bed for Fine Coal, but the mass of vibration of vibrated fluidized bed is large, and equipment life is short, and poor stability is unfavorable for the large scale development of equipment.
Summary of the invention
Technical problem: the purpose of this utility model is the deficiency that overcomes in the prior art, and a kind of simple in structure, sharpness of separation is high, stability is strong, the sorting particle size range is wide gas-solid fluidized bed separator based on pulse pneumatic is provided.
Technical scheme: the gas-solid fluidized bed separator based on pulse pneumatic of the present utility model, comprise sorting groove, rear air compartment, front air compartment, between sorting groove and rear air compartment and the front air compartment air distribution plate is housed, the top of sorting groove is provided with dust excluding hood, described sorting groove bottom is provided with the support that can regulate the sorting groove level inclination, the end of described sorting groove is provided with light product refuse rotor, the end of rear air compartment is provided with rear heavy product refuse rotor, the end of front air compartment is provided with front heavy product refuse rotor, the bottom of rear air compartment and front air compartment is respectively equipped with rear airduct and front airduct, rear airduct links to each other with air inlet pipe through three-way connector with front airduct, is provided with successively the gentle flow control valve of pulsating airflow generator on the air inlet pipe; Three-way connector is respectively equipped with rear airduct air-quantity adjusting valve and the front airduct air-quantity adjusting valve of regulating air quantity with the rear airduct of control and front airduct connecting place, described pulsating airflow generator comprises controller, the driver that links to each other with controller, driver is connected with decelerator, and decelerator connects the resistance transfer device that is located in the air inlet pipe.
The described support of regulating the sorting groove level inclination comprises that symmetry is located at rear support leg and the symmetrical adjustable-height front leg strut that is located on the front airduct on the rear airduct; The Level tune inclination angle of described sorting groove is 0-30 °.
Beneficial effect: the utility model combines pulse pneumatic and gas-solid fluidized bed separator, under the forced oscillation of pulse pneumatic, strengthened the uniform and stable property of fluidized bed for separation density, help the loose of material, strengthen material by density stratification, can effectively alleviate the plug-hole phenomenon of air distribution plate.The sorting groove at horizon adjustable inclination angle helps the conveying of material in the utility model, and hypostasis is discharged by two heavy product refuse rotors, and floating thing is discharged by light product refuse rotor, the final realization separating of floating thing and hypostasis.Heavy product refuse rotor is located at a minute below, constituency, and movement-less part in minute constituency does not produce disturbance to fluidization process.Light product refuse rotor be provided with the discharge that helps floating thing, reduced the medium circulation amount.By adjusting the height of front leg strut, regulate the inclination angle of sorting groove, movement velocity and the sorting time of material are satisfied different sorting requirements in the control sorting groove.Compared with the prior art: the continuous flow that will have in the air dense medium fluidized bed changes pulse pneumatic into; Change the drag conveyor in the prior art into heavy product refuse rotor and light product refuse rotor; Change the fixedly sorting groove in the prior art into inclination angle adjustable sorting groove.By test the bed central point density of the gas-solid fluidized bed separator based on pulse pneumatic of the present utility model and air dense medium fluid-bed separator is carried out continuous dynamic sampling, the separator bed density stability that obtains is high, bed pressure drop is stable, is conducive to coal by density separation.This separator structure is simple, reliability is high, stable, equipment life long, effectively the sorting particle size range is wide.Its major advantage:
1. pulse pneumatic is incorporated in the fluidized bed for separation, forms the pulsating fluidized bed that coal separation is used, improved fluid effect and the efficiency of separation, reduced effective sorting granularity lower limit;
2. in sorting groove, increase floating thing refuse rotor and hypostasis refuse rotor, reduced the dense media internal circulating load, and can not affect the fluidized state of fluid bed;
3. increase the sorting groove inclination-angle regulating device, be used for the movement velocity of control material, adapt to the sorting requirement of different coals;
4. adopt novel pulsating airflow generator and flow regulator, the controllability of flow parameter and stability strengthen.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pulsating airflow generator schematic diagram of the present utility model.
Fig. 3 is fluid bed bed pressure drop of the present utility model and air dense medium fluid bed bed pressure drop comparison diagram.
Fig. 4 is fluid bed bed central point density of the present utility model and air dense medium fluidized bed central point density comparison diagram.
[0009]Among the figure: 1-feeding mouth, 2-sorting groove, 3-air distribution plate, air compartment before the air compartment behind the 4-, 5-, the light product refuse rotor of 6-, heavy product refuse rotor behind the 7-, heavy product refuse rotor before the 8-, 9-1# dust excluding hood, the 10-2# dust excluding hood, the 11-3# dust excluding hood, 12-rear support leg, 13-front leg strut, airduct behind the 14-, airduct before the 15-, airduct air-quantity adjusting valve before the airduct air-quantity adjusting valve behind the 16-, 17-, the 18-three-way connector, 19-resistance transfer device, 20-decelerator, 21-driver, the 22-controller, 23-throughput control valve.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described:
As shown in Figure 1, gas-solid fluidized bed separator based on pulse pneumatic of the present utility model mainly contains sorting groove 2, light product refuse rotor 6, rear heavy product refuse rotor 7, front heavy product refuse rotor 8, air distribution plate 3, rear air compartment 4, front air compartment 5, rear support leg 12, front leg strut 13, resistance transfer device 19, throughput control valve 23 compositions.Air distribution plate 3 is installed between sorting groove 2 and rear air compartment 4 and the front air compartment 5, the top of sorting groove 2 is provided with 3 dust excluding hoods of 1# dust excluding hood 9,2# dust excluding hood 10,3# dust excluding hood 11, described sorting groove 2 bottoms are provided with the support that can regulate the sorting groove level inclination, and the support that can regulate the sorting groove level inclination comprises that symmetry is located at rear support leg 12 and the symmetrical adjustable-height front leg strut 13 that is located on the front airduct 15 on the rear airduct 14; The Level tune inclination angle of described sorting groove 2 is 0-30 °.The end of described sorting groove 2 is provided with light product refuse rotor 6, the end of rear air compartment 4 is provided with rear heavy product refuse rotor 7, the end of front air compartment 5 is provided with front heavy product refuse rotor 8, the bottom of rear air compartment 4 and front air compartment 5 is respectively equipped with rear airduct 14 and front airduct 15, rear airduct 14 links to each other with air inlet pipe through three-way connector 18 with front airduct 15, be provided with successively the gentle flow control valve 23 of pulsating airflow generator on the air inlet pipe, as shown in Figure 2, three-way connector 18 is respectively equipped with rear airduct air-quantity adjusting valve 16 and the front airduct air-quantity adjusting valve 17 of regulating air quantity with the rear airduct 14 of control and front airduct 15 connecting places, described pulsating airflow generator comprises controller 22, the driver 21 that links to each other with controller 22, driver 21 is connected with decelerator 20, and decelerator 20 connects the resistance transfer device 19 that is located in the air inlet pipe.
Uniform three dust excluding hoods in sorting groove 2 tops, light product refuse rotor 6 is arranged in the end of sorting groove 2, rear heavy product refuse rotor 7 is arranged between rear air compartment 4 and the front air compartment 5, front heavy product refuse rotor 8 is arranged in the below of front air compartment 5 terminal and light product refuse rotors 6, rear support leg 12 is articulated and connected with rear air compartment 4, front leg strut 13 is articulated and connected with front air compartment 5, by regulating the height of front leg strut 13, can regulate the level inclination of sorting groove 2; Pulsating airflow generator is comprised of controller 22, driver 21, decelerator 20 and resistance transfer device 19, the action of 22 pairs of drivers 21 of controller is controlled, driver 21 connects resistance transfer device 19 by decelerator 20, make 19 actions of resistance transfer device by driver 21, change gas-flow resistance, produce the periodically variable pulse pneumatic of throughput; Rear airduct 14 is connected with three-way connector 18 by rear airduct air volume regulating valve door 16, and front airduct 15 is connected with three-way connector 18 by front airduct air-quantity adjusting valve 17, and throughput control valve 23 is equipped with in the pulsating airflow generator end; Rear airduct 14 is connected with rear air compartment 4, and front airduct 15 is connected with front air compartment 5.Between rear air compartment 4, front air compartment 5 and the sorting groove 2 air distribution plate 3 is housed.Material is fed in the sorting groove 2 by feeding mouth 1, air-flow through throughput control valve 23, pulsating airflow generator, three-way connector 18, after airduct and front airduct enter into after air compartment 4 and front air compartment 5, enter into sorting groove 2 by air distribution plate 3, the material that enters into sorting groove 2 under the effect of pulsating fluidized bed by density stratification, heavy product is discharged by rear heavy product refuse rotor 7, intermediate product is discharged by front heavy product refuse rotor 8, and light product is discharged by light product refuse rotor 6.
Claims (3)
1. gas-solid fluidized bed separator based on pulse pneumatic, comprise sorting groove (2), rear air compartment (4), front air compartment (5), between sorting groove (2) and rear air compartment (4) and the front air compartment (5) air distribution plate (3) is housed, the top of sorting groove (2) is provided with dust excluding hood, it is characterized in that: described sorting groove (2) bottom is provided with the support that can regulate the sorting groove level inclination, the end of described sorting groove (2) is provided with light product refuse rotor (6), the end of rear air compartment (4) is provided with rear heavy product refuse rotor (7), the end of front air compartment (5) is provided with front heavy product refuse rotor (8), the bottom of rear air compartment (4) and front air compartment (5) is respectively equipped with rear airduct (14) and front airduct (15), rear airduct (14) links to each other with air inlet pipe through three-way connector (18) with front airduct (15), is provided with successively the gentle flow control valve of pulsating airflow generator (23) on the air inlet pipe; Three-way connector (18) is respectively equipped with rear airduct air-quantity adjusting valve (16) and the front airduct air-quantity adjusting valve (17) of regulating air quantity with the rear airduct (14) of control and front airduct (15) connecting place, described pulsating airflow generator comprises controller (22), the driver (21) that links to each other with controller (22), driver (21) is connected with decelerator (20), and decelerator (20) connects the resistance transfer device (19) that is located in the air inlet pipe.
2. the gas-solid fluidized bed separator based on pulse pneumatic according to claim 1 is characterized in that: the described support of regulating the sorting groove level inclination comprises that symmetry is located at rear support leg (12) on the rear airduct (14) and symmetry and is located at adjustable-height front leg strut (13) on the front airduct (15).
3. the gas-solid fluidized bed separator based on pulse pneumatic according to claim 1, it is characterized in that: the Level tune inclination angle of described sorting groove (2) is 0-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213107 CN202725494U (en) | 2012-05-14 | 2012-05-14 | Gas-solid fluidized bed separator based on pulse airflow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213107 CN202725494U (en) | 2012-05-14 | 2012-05-14 | Gas-solid fluidized bed separator based on pulse airflow |
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| CN202725494U true CN202725494U (en) | 2013-02-13 |
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| CN 201220213107 Expired - Fee Related CN202725494U (en) | 2012-05-14 | 2012-05-14 | Gas-solid fluidized bed separator based on pulse airflow |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652940A (en) * | 2012-05-14 | 2012-09-05 | 中国矿业大学 | Gas-solid fluidized bed sorting machine based on pulse airflow |
| CN106862077A (en) * | 2017-01-21 | 2017-06-20 | 中国矿业大学 | A kind of wetted coal fines sorting and dry coupled system and method |
| CN107442416A (en) * | 2017-09-29 | 2017-12-08 | 中国矿业大学 | A kind of ultrasonic vibration microvesicle fluid bed dry separation device and method |
| CN108499863A (en) * | 2018-03-16 | 2018-09-07 | 中国矿业大学 | A kind of fluidization dry-type separation equipment for solid particle material sorting |
-
2012
- 2012-05-14 CN CN 201220213107 patent/CN202725494U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652940A (en) * | 2012-05-14 | 2012-09-05 | 中国矿业大学 | Gas-solid fluidized bed sorting machine based on pulse airflow |
| CN106862077A (en) * | 2017-01-21 | 2017-06-20 | 中国矿业大学 | A kind of wetted coal fines sorting and dry coupled system and method |
| CN106862077B (en) * | 2017-01-21 | 2018-10-19 | 中国矿业大学 | A kind of coupled system and method for wetted coal fines sorting and drying |
| CN107442416A (en) * | 2017-09-29 | 2017-12-08 | 中国矿业大学 | A kind of ultrasonic vibration microvesicle fluid bed dry separation device and method |
| CN108499863A (en) * | 2018-03-16 | 2018-09-07 | 中国矿业大学 | A kind of fluidization dry-type separation equipment for solid particle material sorting |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20180514 |