CN2889504Y - Dry type centrifugal concentrating machine - Google Patents
Dry type centrifugal concentrating machine Download PDFInfo
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- CN2889504Y CN2889504Y CN 200620019239 CN200620019239U CN2889504Y CN 2889504 Y CN2889504 Y CN 2889504Y CN 200620019239 CN200620019239 CN 200620019239 CN 200620019239 U CN200620019239 U CN 200620019239U CN 2889504 Y CN2889504 Y CN 2889504Y
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- dry
- type centrifugal
- ore dressing
- centrifugal ore
- dressing machine
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Abstract
A dry centrifugal concentrator is provided, which is a cyclone separator. The cyclone separator is characterized in that the upper part is a cyclone with an involute spiral structure, a wind inlet is connected with a feed device, the lower part is an inverted cone, and the cone base has a product outlet. The upper part of the cyclone has a spiral case cyclone cover, the bucket has a fixed gas-solid separate grid, and the upward side of grid has a rotating classification cage and a fan impeller, which are separately driven by motors respectively arranged on the spiral case cyclone cover. The wind outlet of spiral case cyclone cover is connected with next level of separation equipment or dust collection equipment, the gas-solid separate grid is fixed on the cyclone or a trifurcated connector, which is a composite body with the upper part as a helical blade and the lower part as a exhaust cylinder. Gap is arranged between the helical blades, thus the dust flow can rise to the classification cage through the gaps and exhaust cylinder. The device can make small mineral particles conduct dry sorting in centrifugal force field for gas swirls, the settlement speed of mineral particles in centrifugal force field is fast, thus the light and heavy minerals can be sorted according to the equal settling ratio with superior effects.
Description
Technical field the utility model belongs to a kind of fine particles mineral separation equipment, especially a kind of dry-type centrifugal ore dressing machine.
Background technology is utilized on the technology industry that difference of specific gravity is separated between different minerals and is called gravity separation, is called for short gravity treatment.The gravity treatment technology has multiple, for example heavymedia separation, film concentration, jigging, centrifugal separation or the like.The mineral thinner for granularity separate, and prior art mainly relies on film concentration and centrifugal separation, as with fine-mud shaker, belt chute and centrifugal ore separator etc. non-ferrous metal mineral such as tungsten tin being separated from its gangue mineral.These two kinds of technique of preparings all have a necessary condition, and that is exactly a water, that is to say the separation that must just can carry out in water between the weight mineral.Because the viscosity of water seems too big concerning tiny mineral grain, the resistance that it runs into during sedimentation in this medium of water is big more than what run in air, flowing on the film in the assorting room, always form a mineral aggregate layer on the centrifugal reel wall, the density of the big more mineral aggregate layer of concentration is big more, the resistance that tiny heavy suite sedimentation arrives on stream face or the rotatory drum wall is just big more, particularly existing centrifugal ore separator, its selected concentration all is higher, and be the batch (-type) operation, in each cycle, mineral aggregate layer on the drum wall can be long-pending more thick more, long-pending more close more, thin heavy suite will pass this bed of material and be affixed to that bulging wall must overcome the resistance of water and the mechanical resistance of mineral aggregate layer could realize.Because tiny heavy suite may penetrate the mineral aggregate layer hardly in the middle and later periods of each distinguishing period of centrifugal ore separator so that firm once enter rotary drum by ore pulp from axially having washed away.Why Here it is has centrifugal ore separator recovery rate in ore-dressing and the low basic reason of concentration ratio now.
The summary of the invention the purpose of this utility model is exactly to propose that the medium power that an a kind of tiny heavy mineral material runs in assorting room is little, mechanical resistance is little, the efficiency of separation is high, the measured dry-type centrifugal ore dressing machine of matter, to overcome the deficiencies in the prior art.
This dry-type centrifugal ore dressing machine that the utility model proposes, it is a cyclone separator, the helix structure whirlwind tube of top that it is characterized in that it for gradually opening, there is air intake vent to be connected with feed arrangement, the bottom is a reverse taper, there is products export the awl bottom, spiral case whirlwind cover is arranged at whirlwind tube top, fixing gas solid separation grid are housed in the bucket, there is the classification cage and the draught fan impeller of rotation the top of grid, by the motor-driven that is contained in separately on the spiral case whirlwind cover, spiral case whirlwind cover air outlet is connected with next stage screening installation or dust collection device respectively.
At the top of whirlwind tube a threeway of regulating blast in the bucket is housed, side direction has the outlet that can connect gate valve, on connect spiral case whirlwind cover.
The gas solid separation grid are fixed on the whirlwind tube or in the threeway, are that a top is helical blade, and the bottom is the complex of exhaust core tube, and the space is arranged between the helical blade, and the dust air-flow can rise to the classification cage by these gaps and exhaust core tube.
The draught fan impeller axle is a hollow shaft, the middle part has the concentric shafts of classification cage to pass, stretch out on the draught fan impeller axle upper end, directly drive by vertical machine, belt pulley is equipped with in draught fan impeller axle upper end, and by another driven by motor impeller rotation, the lower end extends below the draught fan impeller air inlet, and the classification cage is housed, under driving, rotates by vertical machine.The blower fan axle is fixed on upper and lower two and controls on the bearing and rotate.
The blade of draught fan impeller has two groups of linear leaf and short blades, alternate configuration, linear leaf rises from impeller sleeve for approximate S shape, terminates in periphery, short blade is approximate half S shape, arise from the imaginary circle place between axle sleeve and the periphery, terminate in periphery, long and short blade all is fixed on the last side board and following side board of impeller, linear leaf also is fixed on the axle sleeve simultaneously, and last side board and axle sleeve link fixing.
The classification cage is the cage of an inversed taper platform shape, and the cage bar is a reinforcing bar.The rotating speed of classification cage is regulated by the upright stepless speed-regulating motor that drives it.
Each desk-top centrifugal ore separator can be concatenated into mutually and multistage tiny mineral dust be carried out combined sorting, has only the center overflow pipe in the separator of the last grade, and the top of pipe has air quantity to regulate floss hole.
For sorting is effectively carried out, a compound type regrind mill can be set before dry-type centrifugal ore dressing machine, perhaps other levigate classifying equipoments are so that make abundant monomer dissociation of mineral and epigranular.
The compound type regrind mill casing is identical with dry-type centrifugal ore dressing machine or approximate with the structure of the classification cage on top, draught fan impeller, spiral case whirlwind cover, bottom organic block, grinding mechanism, feed arrangement, spreading disk and transmission device, grinding mechanism contains and is bearing in support upper millstone, grinding roller, entad pulling force ring, dial and vertical shaft, transmission device contains change-speed gearing, transverse axis and grinding roller belt pulley, grinding roller revolves round the sun on bull ring under entad pulling force ring and dial drive and rotation grinds mineral aggregate, and spreading disk is installed on the dial and rotates.
The course of work of the present utility model is such: the air inlet that is blasted dry-type centrifugal ore dressing machine through the mineral aggregate after dry milling and the classification with dust form at a high speed, allow this dusty gas in cyclone separator, rotate, the centrifugal force that heavy suite is subjected to is bigger, be thrown toward very soon on the cone internal face and assemble to sink, become product from products export to the product gatherer, and the centrifugal force that a light mineral material and littler mineral grain are subjected to is less, can not arrive the cone internal face same period with heavy ore deposit particle and taken away, enter the next stage sorting from the separator air outlet by the blower fan on machine top with particle diameter.The sorting of connecting so step by step just can realize the effective separation between the weight mineral, resulting products at different levels are merged or blends, and can obtain satisfactory final products.The big particle diameter heavy suite that has in this assorting room is because mechanical entrapment or hinder and can not in time get rid of to the awl wall, the air-flow that is risen is taken away, kept off back by the grid sheet when arriving the gas solid separation grid, involved in by eddy flow once more and the gathering of final arrival awl wall, enter product.The gas solid separation grid also have the gas of certain middle prevention core too to rotate, and influence the effect of the rate of climb.The effect of classification cage and gas solid separation volume approximate, it only allows and meets the fineness requirement particle and pass through, and also can keep off back participation greater than the particle that requires and sorting once more.
Because being forward compound type regrind mill or other classifying equipoment blower fans, the charging of dry-type centrifugal ore dressing machine blasts, the blow rate required of each machine is not quite identical, blast there are differences, for making blast keep balance, must a part of air quantity be guided in grinding machine or other classifying equipoments in the threeway exit, to realize basic air quantity cycle operation.The pressure that brings for heating tympanites in avoiding circulating increases simultaneously, establishes the adjusting floss hole in the overflow pipe exit of the last grade separator, artificial in good time or discharging automatically.
As everyone knows, the proportion of air has only one of eight percentages of water, and viscosity has only 1/55th of water.The utility model makes tiny mineral grain carry out dry type in the centrifugal force field of gas rotation and sorts, avoided the large drag forces of the suffered water of mineral grain in the sorting of Wet-type centrifugal machine, and material grain group's mechanical resistance, mineral grain speed of sedimentation in centrifugal force field is faster, the weight mineral can be realized sorting by the ratio of equilibrium settling velocity rule, thereby ore dressing effectiveness obviously is better than the Wet-type centrifugal ore separators.
Appended drawings 1 is structure of the present utility model and annexation front view (broken section).
Accompanying drawing 2 is gas solid separation grid front views.
Accompanying drawing 3 is gas solid separation grid A-A profiles.
Accompanying drawing 4 is whizzer (whirlwind tube and reverse taper part) front views.
Accompanying drawing 5 is whizzer vertical views.
Accompanying drawing 6 is threeway front view (just analysing and observe).
Accompanying drawing 7 is threeway left view (broken sections).
Accompanying drawing 8 is compound type regrind mill front view (broken sections).
Accompanying drawing 9 is draught fan impeller front view (broken sections).
Accompanying drawing 10 is draught fan impeller B-B profiles.
Accompanying drawing 11 is draught fan impeller axle and classification cage axle combining structure front view (broken section).
Accompanying drawing 12 is compound type regrind mill vertical views.
Accompanying drawing 13 is classification cage front views.
Accompanying drawing 14 is classification cage vertical views (part).
Among the accompanying drawing 1-14, each parts label is as follows:
1-charging balance observation panel; 2-grinding roller belt pulley; The closed circuit return air inlet of 3-; 4-mill seat ring; The 5-casing; The 6-blower motor; 7-classification cage motor; The 8-compound type regrind mill; The 9-draught fan impeller; The 10-fan outlet; 11-spiral case whirlwind cover; 12-primary separator air inlet; 13-first-stage centrifugal separator; The 14-one-level is separated the cage blower motor; 15-gas solid separation grid; 16-primary separator classification cage motor; 17-primary separator draught fan impeller; The 18-threeway; 19-primary separator spiral case whirlwind cover; The 20-second-stage separator; Three grades of separators of 21-; The 22-air quantity is regulated exhaust outlet; 23-primary separator classification cage; The 24-products export; The 25-mineral-feeding pipe; 26-grid sheet; 27-exhaust core tube; 28-spreading plate rail; The 29-spreading disk; 30-grinding machine classification cage; Control the bearing fixing spoke under the 31-blower fan main shaft; The 32-driving belt; 33-blower fan belt pulley; The 34-groove that connects material; The 35-impeller sleeve; Side board under the 36-impeller; Side board on the 37-impeller; 38-impeller linear leaf; 39-impeller short blade; 40-classification cage main shaft; Control bearing on the 41-classification cage; 42-classification cage motor cabinet; 43-blower fan Pulley shaft is controlled bearing; 44-blower fan main shaft shaft coupling; 45-blower fan load-bearing bearing; 46-blower fan main shaft bearing block; The 47-blower fan main shaft; Control bearing on the 48-blower fan main shaft; Control bearing under the 49-blower fan main shaft; Control bearing under the 50-classification cage; 51-classification cage hold-down nut.
The specific embodiment is shown in Fig. 1-14.The grinding mechanism of compound type regrind mill 8, transmission device and the applicant's No. 99243402.5 patents " vertical regrind mill " are identical or approximate, different persons, and the grinding roller shape has become positive wheel shape by dish, and quantity has become 9 by 3.Spiral case whirlwind cover 11 sidelines above the casing 5 are for gradually opening helix, and the cover mouth connects the air inlet 12 of first-stage centrifugal separator 13.The structure proximate of the whirlwind tube of first-stage centrifugal separator and grinding machine spiral case whirlwind cover, conical section is an inversed conical drum, the lower end is a products export 24, threeway 18 of regulating air quantity of termination on the whirlwind tube, the structure of the spiral case whirlwind cover on the threeway, first-stage centrifugal separator draught fan impeller 17, first-stage centrifugal separator blower motor 14, first-stage centrifugal separator classification cage motor 16 etc. is identical with the grinding machine appropriate section.Secondary whizzer 20 structures and one-level identical, the last level is exactly that three grades of whizzers 21 of this example remove and do not have draught fan impeller and classification cage, and is provided with overflow pipe and air quantity is regulated outside the exhaust outlet 22, and others and one-level, secondary are identical.Threeway can be omitted under than the condition that is easier to control at air quantity.Gas solid separation grid 15 are installed in the whirlwind tube, can be fixed on the barrel or in the threeway.Gas solid separation grid top is helical blade, and the bottom is the complex of exhaust core tube, and the space is arranged between the helical blade, and the dust air-flow can rise to the classification cage by these gaps and exhaust core tube.
The linear leaf 38 of grinding machine draught fan impeller 9 is approximate serpentine, and an end is weldingly fixed on the impeller sleeve 35, and both sides are fixed on the impeller on the side board 37 and following side board 36.Short blade 39 is the approximate serpentine of half, and both sides are separately fixed on the upper and lower side board of impeller, the two ends freedom, and last side board complete closed, following side board has a circular air inlet.A block length blade is evenly distributed at interval with continuous two short blades for this example.Can also determine the spread pattern of long and short blade according to actual needs, join block length blade or the like as the one or a few blocks short blade.During installation, last side board one faces up, and following side board one faces down, and horizontal positioned is fixed on the blower fan main shaft 47.Blower fan main shaft is again by controlling bearing 48 on the blower fan main shaft that is fixed on the spiral case whirlwind cover and controlling bearing 49 supporting rotations down.The fixed form of controlling bearing is for to be welded on the whirlwind cover wall with three to five fixed spoke 31 down, and on control bearing and be fixed on the whirlwind cover top by blower fan main shaft bearing block 42.Blower fan main shaft is driven by blower motor 6 by the blower fan belt pulley 33 of its upper end.The shape of classification cage 30 and structure as mentioned above, it is directly installed on the classification cage main shaft 40 of draught fan impeller air inlet below, and a hold-down nut 51 is arranged bottom.Classification cage main shaft is directly driven by the stepless speed-change motor 7 of its upper end.Because draught fan impeller all is to be hung on its vertical main shaft with the classification cage, their weight and movement load carry by controlling bearing 41 on the blower fan load-bearing bearing 45 of conical roller and the classification cage respectively, so just guaranteed motion steadily and reliably.
Mineral-feeding pipe 25 is introduced on the spreading disk of grinding machine inside from the whirlwind cover outside, also can connect with the groove 34 that connects material and guide on the dish.The mineral aggregate flow circuits is shown in solid line among the figure and dotted arrow.Wherein the dust-laden wind that comes out of secondary, three grades of separator threeways is received grinding machine grinding roller lower portion and is sucked, and gate valve control is arranged on the pipeline, can close when air balance.Charging balance observation panel 1 is used for observing grinding machine inlet amount situation.When this mouthful has a large amount of mineral aggregates to fall, illustrate that mine-supplying quantity is too big, do not have that a bit to fall the explanation mine-supplying quantity too little, seemingly fall to non-ly illustrating that mine-supplying quantity is suitable when falling.NM parts label as mentioned above in this example.Ground when meeting granularity requirements as the mineral aggregate that will sort, grinding machine can replace with classifying equipoment.
When this machine is used for sorting non-ferrous metal mineral aggregates such as tungsten, tin, tantalum, niobium, effectively reclaiming granularity reaches below 5 microns, another important use of this machine is some impurity component that can remove in the superfine powder, significant in many brand-new materials field, this existing Wet-type centrifugal ore separators can't be compared.
Claims (9)
1, a kind of dry-type centrifugal ore dressing machine, it is a cyclone separator, the helix structure whirlwind tube of top that it is characterized in that it for gradually opening, there is air intake vent to be connected with feed arrangement, the bottom is a reverse taper, there is products export the awl bottom, spiral case whirlwind cover is arranged at whirlwind tube top, fixing gas solid separation grid are housed in the bucket, there is the classification cage and the draught fan impeller of rotation the top of grid, by the motor-driven that is contained in separately on the spiral case whirlwind cover, spiral case whirlwind cover air outlet is connected with next stage screening installation or dust collection device respectively.
2, dry-type centrifugal ore dressing machine according to claim 1, the top that it is characterized in that the whirlwind tube are equipped with a threeway of regulating blast in the bucket, and side direction has the outlet that can connect gate valve, on connect spiral case whirlwind cover.
3, dry-type centrifugal ore dressing machine according to claim 1 is characterized in that the gas solid separation grid are fixed on the whirlwind tube or in the threeway, are that a top is helical blade, and the bottom is the complex of exhaust core tube, and the space is arranged between the helical blade.
4, dry-type centrifugal ore dressing machine according to claim 1, it is characterized in that the draught fan impeller axle is a hollow shaft, the middle part has the concentric shafts of classification cage to pass, stretch out on the draught fan impeller axle upper end, is directly driven by vertical machine, and belt pulley is equipped with in draught fan impeller axle upper end, by another driven by motor impeller rotation, the lower end extends below the draught fan impeller air inlet, and the classification cage is housed, rotation under vertical machine drives.
5, dry-type centrifugal ore dressing machine according to claim 1, the blade that it is characterized in that draught fan impeller has two groups of linear leaf and short blades, alternate configuration, and linear leaf is approximate S shape, rise from impeller sleeve, terminate in periphery, short blade arises from the imaginary circle place between axle sleeve and the periphery for approximate half S shape, terminate in periphery, long and short blade all is fixed on the last side board and following side board of impeller, and linear leaf also is fixed on the axle sleeve simultaneously, and last side board and axle sleeve link fixing.
6, dry-type centrifugal ore dressing machine according to claim 1 is characterized in that the classification cage is the cage of an inversed taper platform shape, and the cage bar is a reinforcing bar.
7, dry-type centrifugal ore dressing machine according to claim 1, it is multistage to it is characterized in that each desk-top centrifugal ore separator can be connected into mutually, has only the center overflow pipe in the separator of the last grade, and the top of pipe has air quantity to regulate floss hole.
8, dry-type centrifugal ore dressing machine according to claim 1 is characterized in that before the dry-type centrifugal ore dressing machine compound type regrind mill being set, perhaps other levigate classifying equipoments.
9, dry-type centrifugal ore dressing machine according to claim 1, it is characterized in that the classification cage of compound type regrind mill casing with top, draught fan impeller, the structure of spiral case whirlwind cover is identical with dry-type centrifugal ore dressing machine or approximate, the bottom organic block, grinding mechanism, feed arrangement, spreading disk and transmission device, grinding mechanism contains and is bearing in the support upper millstone, grinding roller, pulling force ring entad, dial and vertical shaft, transmission device contains change-speed gearing, transverse axis and grinding roller belt pulley, grinding roller revolves round the sun on bull ring under entad pulling force ring and dial drive and rotation grinds mineral aggregate, and spreading disk is installed on the dial and rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620019239 CN2889504Y (en) | 2006-01-24 | 2006-01-24 | Dry type centrifugal concentrating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620019239 CN2889504Y (en) | 2006-01-24 | 2006-01-24 | Dry type centrifugal concentrating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2889504Y true CN2889504Y (en) | 2007-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620019239 Expired - Lifetime CN2889504Y (en) | 2006-01-24 | 2006-01-24 | Dry type centrifugal concentrating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2889504Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371086C (en) * | 2006-01-24 | 2008-02-27 | 庞德明 | Dry-type centrifugal ore dressing machine |
| CN108405076A (en) * | 2018-03-06 | 2018-08-17 | 攀钢集团攀枝花钢钒有限公司 | Vertical mill, carbonization blast furnace slag breaking method and system |
| CN108993737A (en) * | 2018-07-26 | 2018-12-14 | 何莉 | A kind of classifier separator |
| CN108993739A (en) * | 2018-07-26 | 2018-12-14 | 何莉 | A kind of multi-functional preparation equipment |
| CN109351491A (en) * | 2018-10-30 | 2019-02-19 | 湖南天际智慧材料科技有限公司 | A kind of turbine separates and collects the device of nanometer powder and is made from it powder manufacturing apparatus |
| CN116480868A (en) * | 2023-06-20 | 2023-07-25 | 常州科德水处理成套设备股份有限公司 | Water treatment return bend end cap mechanism |
-
2006
- 2006-01-24 CN CN 200620019239 patent/CN2889504Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371086C (en) * | 2006-01-24 | 2008-02-27 | 庞德明 | Dry-type centrifugal ore dressing machine |
| CN108405076A (en) * | 2018-03-06 | 2018-08-17 | 攀钢集团攀枝花钢钒有限公司 | Vertical mill, carbonization blast furnace slag breaking method and system |
| CN108993737A (en) * | 2018-07-26 | 2018-12-14 | 何莉 | A kind of classifier separator |
| CN108993739A (en) * | 2018-07-26 | 2018-12-14 | 何莉 | A kind of multi-functional preparation equipment |
| CN109351491A (en) * | 2018-10-30 | 2019-02-19 | 湖南天际智慧材料科技有限公司 | A kind of turbine separates and collects the device of nanometer powder and is made from it powder manufacturing apparatus |
| CN116480868A (en) * | 2023-06-20 | 2023-07-25 | 常州科德水处理成套设备股份有限公司 | Water treatment return bend end cap mechanism |
| CN116480868B (en) * | 2023-06-20 | 2023-08-18 | 常州科德水处理成套设备股份有限公司 | Water treatment return bend end cap mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080227 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |