CN101367080B - Gas-solid diphasic stream separator based on secondary wind distribution - Google Patents
Gas-solid diphasic stream separator based on secondary wind distribution Download PDFInfo
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- CN101367080B CN101367080B CN2008101567273A CN200810156727A CN101367080B CN 101367080 B CN101367080 B CN 101367080B CN 2008101567273 A CN2008101567273 A CN 2008101567273A CN 200810156727 A CN200810156727 A CN 200810156727A CN 101367080 B CN101367080 B CN 101367080B
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- 238000009826 distribution Methods 0.000 title claims abstract description 36
- 239000007787 solid Substances 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 201000002282 venous insufficiency Diseases 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 6
- 230000005514 two-phase flow Effects 0.000 abstract 3
- 238000005192 partition Methods 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000008439 repair process Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 14
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- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention discloses a gas-solid two-phase flow separator, which comprises a fluidized chamber, a chain wheel transmission mechanism, and a primary air distributor arranged below the fluidized chamber, wherein a stirring discharge device, the movement direction of which is perpendicular to that of the chain wheel transmission mechanism, is arranged above a fluidized bed in the fluidized chamber, both ends of the stirring discharge device are provided with separation partitions which are symmetrically fixed in the fluidized chamber, and the separation partitions are provided with transmission chain tracks; one side of the chain wheel transmission mechanism is respectively provided with a discharge outlet for sinkers under a net and a discharge outlet for sinkers on the net, and secondary air distributors are alternately arranged on a transmission chain of the chain wheel transmission mechanism. The gas-solid two-phase flow separator repairs the air distribution state destroyed by the sinkers through secondary air distribution, which reduces the back mixing of small-particle separated objects and decreases the mismatching rate; and a disturbing plate is not directly used to push large-particle sinkers on the surface of the primary air distributor, so the requirements on the rigidity and strength are greatly reduced. The gas-solid two-phase flow separator has a simplifiable structure, low cost, high separating accuracy, and low energy consumption, saves water resources, and protects the environment.
Description
Technical field
The present invention relates to a kind of gas-solid diphasic stream separator, especially a kind of gas-solid diphasic stream separator that is used for Mineral Processing Engineering based on secondary wind distribution.
Background technology
For many years; It is continuous all the time to utilize fluidization technology to carry out the application study of ore dressing aspect, possible in theory, but technology is difficult to promote; Its immediate cause is: the drag conveyor in the sorting unit is in the discharge process; Hypostasis rubs with the air-distribution device surface mutually, and the hard spoil of sinking is under the promotion of scraper plate, and cloth wind structure is worn, stops up or destroys; The hypostasis case hardness is littler, and it is faster the air distribution plate phenomenon of blocking to occur.The necessary condition that the uniform and stable property of the density of Dual-Phrase Distribution of Gas olid is sorting, and selected material has changed the distribution of air-flow in fluid bed, selected amount is big more, and this destruction is also strong more.Adopt scratch board conveyor in fluid bed, to carry out discharge, hypostasis has accumulation, and they have increased the weight of the inhomogeneities of cloth wind.When the amount of floating thing was big, the floating thing dynamic stock in the separator increased, and each particle bears against together each other, forms plate, and the particle that some density is bigger above the plate, can not obtain effective sorting at this.Use overflow mode discharge, want to let floating thing move with certain speed, need two ends to have the discrepancy in elevation or pressure differential, and this needs feeding end to have a large amount of medium solids to send into, it is big to make system's medium solid bulk density stablize difficulty.If adopt the work of medium solid inner loop mode, the movement velocity of floating thing is affected again.When scraper plate is stumbled can not move ahead the time by hypostasis, scraper plate produces moment of torsion to the connecting ring on the driving-chain, is easy to connecting ring is twisted off, and can not resumes production at short notice.It is big to scrape the material power drain, and the scraper plate height dimension is restricted in fluidising chamber, is difficult to increase treating capacity.
Summary of the invention
The objective of the invention is to have problems in the prior art, a kind of compact conformation is provided, cloth wind is even, good stability, the gas-solid diphasic stream separator based on secondary wind distribution that sharpness of separation is high.
Gas-solid diphasic stream separator of the present invention; Comprise fluidising chamber; A chain wheel driving mechanism and a ventilation terminal that is located at the fluidising chamber below; In said fluidising chamber fluid bed above be provided with the direction of motion and the perpendicular stirring removal device of the chain wheel driving mechanism direction of motion, the two ends of stirring removal device are provided with symmetry and are fixed on the sorting dividing plate in the fluidising chamber, the sorting dividing plate is provided with the driving-chain track; Said chain wheel driving mechanism one side is respectively equipped with hypostasis discharge gate off the net and online hypostasis discharge gate, is interval with the secondary wind distribution device on the driving-chain of chain wheel driving mechanism.
Described stirring removal device is made up of driving-chain bar and a plurality of weights of hanging on the driving-chain bar; Described secondary wind distribution device comprises that the interval is located at the polylith disturbance plate on the driving-chain; Be interval with a plurality of elastic rods between disturbance plate and the disturbance plate; Which is provided with the loading net, loading is provided with the claim-reduction that is fixed together with elastic rod on the net, is provided with connecting bolt between disturbance plate and the driving-chain; Distance >=2.5 times loading net mesh size between described disturbance plate and ventilation terminal surface.
Beneficial effect of the present invention is repaired the cloth wind state that is destroyed by hypostasis through secondary wind distribution, reduces the back-mixing of the selected thing of small grain size, reduces the mispairing rate; The amount that secondary wind distribution device loading net is accepted hypostasis does not receive the influence of physical dimension; Disturbance plate is not used directly in the hypostasis that promotes coarsegrain on ventilation terminal surface, and rigidity and requirement of strength are declined to a great extent.Stirring removal device movement velocity does not receive the restriction of fluid bed viscosity; Under the condition that does not reduce sharpness of separation; Can destroy floating thing plate state and quicken the movement velocity of floating thing, make treating capacity only be subject to the sinking speed of hypostasis, improve the disposal ability on the ventilation terminal unit are to greatest extent one time.Do not produce the cutting to product when floating thing and hypostasis discharge, used power is little.The installation of a ventilation terminal, dismounting mode are simple, and its surface does not directly rub with the coarsegrain hypostasis, does not need special rigidity and requirement of strength, and structure can be simplified, and cost also can significantly reduce.Used Dual-Phrase Distribution of Gas olid secondary wind distribution technology; Improved the disposal ability on sharpness of separation and the unit fluidisation area, reduced the energy consumption of the selected amount of unit, the equipment manufacturing cost of the selected amount of unit is low; Eliminated potential faults of the prior art; Save water resource, the protection environment can be widely used in being undertaken by density the mineral products enrichment processing of sorting.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a secondary wind distribution device structural representation of the present invention.
Among the figure: 1-fluidising chamber, 2-bolt, 3-sorting dividing plate, 4-floating thing discharge gate, 5-stirring removal device; 6-weight, 7-secondary wind distribution device, 8-fluid bed, 9-driving-chain bar, 10-driving-chain track; 11-ventilation terminal, 12-bolt, 13-hypostasis discharge gate off the net, 14-online hypostasis discharge gate, 15-loading net; 16-driving-chain, 17-claim-reduction, 18-elastic rod, 19-disturbance plate, 20-bolt.
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the present invention is done further description:
Shown in Figure 1; Separator of the present invention mainly by fluidising chamber 1, stir removal device 5, secondary wind distribution device 7, ventilation terminal 11 and chain wheel driving mechanism and constitute; Ventilation terminal 11 is connected in the below of fluidising chamber 1 through bolt 12, and the fluid bed 8 that separating medium reaches design height is housed in the fluidising chamber 1, and the top of fluid bed 8 is provided with the direction of motion and the perpendicular stirring removal device 5 of the chain wheel driving mechanism direction of motion; The two ends of stirring removal device 5 are provided with by bolt 2 symmetries and are fixed on the sorting dividing plate 3 in the fluidising chamber 1; Sorting dividing plate 3 is provided with driving-chain track 10, stirs removal device 5 and is made up of driving-chain bar 9 and a plurality of weights 6 of hanging on driving-chain bar 9, and driving-chain bar 9 is done operation up and down with driving-chain along driving-chain track 10; Weight 6 is connected with driving-chain bar 9 with the axle sleeve mode and rotates around it, and the gap of weight 6 is floating thing discharge gate 4.Chain wheel driving mechanism one side is respectively equipped with hypostasis discharge gate 13 off the net and online hypostasis discharge gate 14, and secondary wind distribution device 7 is located on the driving-chain 16 of chain wheel driving mechanism.
Shown in Figure 2; Secondary wind distribution device 7 mainly is made up of disturbance plate 19, elastic rod 18, loading net 15; Disturbance plate 19 is fixed on the driving-chain 16 through connecting bolt 20; Be interval with a plurality of elastic rods 18 between adjacent disturbance plate 19 and the disturbance plate 19, the two ends of elastic rod 18 are through respectively in the hole of two adjacent disturbance plate 19; Be equipped with loading net 15 in the square groove that is surrounded by disturbance plate 19 and elastic rod 18, loading net 15 is provided with the claim-reduction 17 that fixes with elastic rod 18; Distance >=2.5 times loading net 15 mesh sizes between disturbance plate 19 and ventilation terminal 11 surface.
The course of work and operation principle: medium solid is packed in the fluidising chamber 1 by the design flow height, feed air-flow, air-flow acts on medium solid through the air distribution plate of a ventilation terminal 11; Make its top form the Dual-Phrase Distribution of Gas olid bed 8 that can be used for sorting, fluid bed 8 density before adding sorting material are uniform and stable, after in fluid bed 8, adding selected thing; Selected thing is heavy or floating by density; The coarsegrain hypostasis drops on the loading net 15 of secondary wind distribution device 7, and floating thing is on the top layer of fluid bed 8, and the small grain size hypostasis then sees through loading net 15 and arrives on the air distribution plate of a ventilation terminal 11; The even distribution air-flow that one time ventilation terminal provided is reallocated by the space between hypostasis; It has destroyed the uniform and stable property of fluid density, and secondary wind distribution device 7 passes from the bottom of fluid bed 8, in fluid bed 8; To in the motion of hypostasis, be carried out the second substandard cloth wind by the substandard cloth general mood stream that hypostasis destroys; Coarsegrain hypostasis in the secondary wind distribution device 7 on the loading net 15 and disturbance plate 19 are pulverized air pocket and are eliminated channel jointly to 8 stirring actions of fluid bed, play and improve the inhomogeneity effect of fluid density.Outside fluid bed 8, secondary wind distribution device 7 performance carrying functions, the hypostasis on the loading net 15 hypostasis discharge gate 14 is from network seen off, and loading net 15 hypostasis are delivered to hypostasis discharge gate 13 off the net by disturbance plate 19.Because the mesh size of the distance >=2.5 times loading net 15 between disturbance plate 19 and ventilation terminal 11 surface; So what 19 of disturbance plate will overcome mainly is slip and the force of rolling friction between the granule hypostasis; The coarsegrain hypostasis is by carrying simultaneously; The frictional force that is produced is also very little, reaches the purpose that reduces the discharge power consumption.Secondary wind distribution device 7 can not passed to ventilation terminal 11 one time with power through hypostasis, plays the hidden danger of elimination to ventilation terminal 11 destructions.Be located at the stirring removal device 5 on the sorting dividing plate 3, weight 6 can rotate around driving-chain bar 9 on the upper strata of fluid bed 8, and in motion process, plate-like floating thing is pressed down and force rotation; Make each particle can both obtain effective sorting, crossed the branch selections of fluid bed 8, weight 6 plays the discharge effect; Because it is connected for axle sleeve with driving-chain bar 9; Rotatable, when discharge, can not reach the purpose that reduces power consumption to floating deposits yields cutting.Because in a certain amount of restriction that does not receive size down, weight 6 can quicken the movement velocity of floating thing when guaranteeing sharpness of separation to the carrying discharging method of hypostasis, improve the treating capacity of ventilation terminal 11 unit wind distributing faces on long-pending so can reach.
Claims (4)
1. gas-solid diphasic stream separator based on secondary wind distribution; Comprise fluidising chamber (1); A chain wheel driving mechanism and a ventilation terminal (11) that is located at fluidising chamber (1) below; It is characterized in that: the top of fluid bed (8) is provided with the direction of motion and the perpendicular stirring removal device (5) of the chain wheel driving mechanism direction of motion in said fluidising chamber (1), and the two ends of stirring removal device (5) are provided with symmetry and are fixed on the sorting dividing plate (3) in the fluidising chamber (1), and sorting dividing plate (3) is provided with driving-chain track (10); Said chain wheel driving mechanism one side is respectively equipped with hypostasis discharge gate off the net (13) and online hypostasis discharge gate (14), is interval with secondary wind distribution device (7) on the driving-chain of chain wheel driving mechanism (16).
2. the gas-solid diphasic stream separator based on secondary wind distribution according to claim 1 is characterized in that: described stirring removal device (5) is by driving-chain bar (9) and hang a plurality of weights (6) formation on driving-chain bar (9).
3. the gas-solid diphasic stream separator based on secondary wind distribution according to claim 1; It is characterized in that: described secondary wind distribution device (7) comprises that the interval is located at the polylith disturbance plate (19) on the driving-chain (16); Be interval with a plurality of elastic rods (18) between disturbance plate (19) and the disturbance plate (19); Be equipped with loading net (15) in the square groove that is surrounded by disturbance plate (19) and elastic rod (18); Loading net (15) is provided with the claim-reduction (17) that is fixed together with elastic rod (18), is provided with connecting bolt (20) between disturbance plate (19) and the driving-chain (16).
4. the gas-solid diphasic stream separator based on secondary wind distribution according to claim 3 is characterized in that: times loading net (15) mesh size of distance >=2.5 between described disturbance plate (19) and a ventilation terminal (11) surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101567273A CN101367080B (en) | 2008-09-24 | 2008-09-24 | Gas-solid diphasic stream separator based on secondary wind distribution |
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| CN2008101567273A CN101367080B (en) | 2008-09-24 | 2008-09-24 | Gas-solid diphasic stream separator based on secondary wind distribution |
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| CN101367080A CN101367080A (en) | 2009-02-18 |
| CN101367080B true CN101367080B (en) | 2012-03-07 |
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| CN104353611B (en) * | 2014-11-10 | 2016-04-13 | 成都利君科技有限责任公司 | Chain-plate type powder separator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061398A (en) * | 1998-08-24 | 2000-02-29 | Zennosuke Tanaka | Method and apparatus for dry separation of coal |
| EP0982082A1 (en) * | 1998-08-21 | 2000-03-01 | Beloit Technologies, Inc. | Apparatus for separating mixed particulate material |
| CN101206026A (en) * | 2007-12-14 | 2008-06-25 | 上海交通大学 | Combustion device and method for biomass birdnesting slagoff fluidized bed |
| CN201271633Y (en) * | 2008-09-24 | 2009-07-15 | 中国矿业大学 | Gas-solid diphasic stream separator based on secondary wind distribution |
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- 2008-09-24 CN CN2008101567273A patent/CN101367080B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0982082A1 (en) * | 1998-08-21 | 2000-03-01 | Beloit Technologies, Inc. | Apparatus for separating mixed particulate material |
| JP2000061398A (en) * | 1998-08-24 | 2000-02-29 | Zennosuke Tanaka | Method and apparatus for dry separation of coal |
| CN101206026A (en) * | 2007-12-14 | 2008-06-25 | 上海交通大学 | Combustion device and method for biomass birdnesting slagoff fluidized bed |
| CN201271633Y (en) * | 2008-09-24 | 2009-07-15 | 中国矿业大学 | Gas-solid diphasic stream separator based on secondary wind distribution |
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