CN203484234U - Rotational flow microbubble flotation column separation equipment with internally arranged tilting plates - Google Patents
Rotational flow microbubble flotation column separation equipment with internally arranged tilting plates Download PDFInfo
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- CN203484234U CN203484234U CN201320562168.2U CN201320562168U CN203484234U CN 203484234 U CN203484234 U CN 203484234U CN 201320562168 U CN201320562168 U CN 201320562168U CN 203484234 U CN203484234 U CN 203484234U
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Abstract
Provided is rotational flow microbubble flotation column separation equipment with internally arranged tilting plates. The tilting plates are additionally arranged in a bubble area and a gathering area of a rotational flow microbubble flotation column; water contained in high-ash fine silt is reduced under the action that the tilting plates promote the settlement of gangue mixed in concentrates; after the tilting plates are added, a separation area is divided into a plurality of areas, so that back-mixing in the column is weakened, and uniformity of an internal flow field and stability of a bed layer are guaranteed; after the tilting plates are added, the separation area is enlarged, and the number of floating paths is increased so that the handling capacity can be increased and the height of the column can be reduced. The rotational flow microbubble flotation column separation equipment with the internally arranged tilting plates is simple in structure, convenient and fast to operate, free of additional power and agent consumption, high in handling capacity, and capable of effectively solving the technical problem of bubble pollution occurring in the flotation process and the technical problems that the back-mixing phenomenon in the column is serious in the expansion process of the flotation column and the column is excessively high.
Description
Technical field
The utility model relates to a kind of built-in hang plate rotational flow microbubble flotation column screening installation, is particularly useful for the sorting of aid for Micro-fine Coal Slurry Dewatering, is also applicable to the sorting of other mineral.
Background technology
For meeting the demand of rapid economic development to the energy, mechanical coal mining technology is constantly promoted, coal mining amount increases year by year, major diameter heavy medium cyclone screening installation and technique are successfully developed and are popularized, make to reduce and secondary fine slime increases problem and is also on the rise into floating granularity, cause particulate fine coal sharpness of separation not high.Flotation is that graded shot and superfine granule fine coal are the most ripe, effective method, in coal preparation plant's floatation feed, granularity is less than 0.074mm content generally more than 60%, and ash content is apparently higher than other grades, entering high grey fine slime ratio in float coal mud increases, sorting difficulty strengthens, floatation clean coal ash content generally exceeds standard, cause gravity treatment " back of the body ash " serious, the high accuracy sorting of fine slime becomes coal slime and reclaims the technical barrier that link is badly in need of solution, is also weak in current coal separation production technology and the maximum link of exploiting potentialities.Conventional floatation equipment has flotation device and flotation column: flotation device multiple-grooved series connection, and each groove separation condition is almost identical, with floatability in sorting mineral process gradually the process of variation do not mate; Flotation cell body is shallow, and cleaned coal froth bed is thin, a little less than secondary enrichment, carries the thin mud of high ash secretly many in foam, poor selectivity, and the efficiency of separation is low; Mineralising form is single, efficiency is low, and in groove, turbulence level is high, and in cleaned coal, thin sludge-polluted is carried secretly seriously, causes floatation clean coal ash content all higher than the requirement of head coal product ash content.Column-type floatation technology has outstanding advantage aspect fine slime sorting, its secondary enrichment provides advantage for optimizing existing floatation process, be conducive to improve several quality index of floatation clean coal, but when in floatation feed, thin cement content is too much, coal slime floatability is understood variation and is caused a series of adverse consequences: head coal product is seriously polluted; Tail coal race coal phenomenon is serious, and tail coal ash content is on the low side; Pharmaceutical quantities consumes excessive, and cost increases; Make follow-up filter-press dehydration operation be difficult to carry out.And application practice shows: large-scale flotation column diameter is larger, and in flotation column, air-teturning mixed phenomenon is more serious, is more not easy to make post interior flow field homogenizing, is more unfavorable for the stable of bed, affects separation accuracy.Therefore in the urgent need to the problem occurring in the foam pollution that occurs when solving rotational flow microbubble flotation column sorting and maximization process, to solve the high accuracy sorting problem of particulate and superfine granule fine coal, for efficiently utilizing coal slime resource, improve Business Economic Benefit and social benefit has important practical significance and wide popularizing application prospect.Built-in hang plate flotation column is on the basis of FCMC flotation column, in conjunction with the advantage of RC adverse current separator, adds hang plate in flotation column, in order to reduce the waterpower of the thin mud of high ash, carry secretly, reduce post high, weaken air-teturning mixed phenomenon in post, guarantee the stable of interior flow field homogenizing and bed.
Utility model content
Technical problem: the purpose of this utility model be overcome that the thin mud of the high ash of cleaned coal that existing traditional rotational flow microbubble flotation column occurs in floatation process is carried secretly seriously, the serious problem of air-teturning mixed phenomenon in the higher and post of cylinder in flotation column maximization process, a kind of simple in structure, simple operation, production cost is low, treating capacity is large built-in hang plate rotational flow microbubble flotation column screening installation are provided.
Technical scheme: built-in hang plate rotational flow microbubble flotation column screening installation of the present utility model, comprise flotation column froth zone, trapping district, scan district, be located at spray header, froth concentrate feeder, feeding pipe, circulation ore slurry pump, bubble generator, Pressure gauge, stabilier, conically shaped, debris tube on flotation column, in the froth zone of described flotation column, be interval with the built-in updip swash plate of polylith, trapping is interval with the built-in swash plate that has a down dip of polylith in district, and built-in updip swash plate is contrary with the built-in swash plate incline direction that has a down dip.
The froth zone of described flotation column and trapping district cylinder are upright or be obliquely installed, and the direction being obliquely installed is identical with its built-in hang plate direction; Described polylith hang plate is 3～5, and angle of inclination is 45 °～90 °.
Beneficial effect: it is selected that the utility model makes froth concentrate realize continuous high-efficient under the effect of froth zone and built-in updip swash plate, improves concentrate quality; By the built-in swash plate that has a down dip, trapping is distinguished into several regions, has weakened air-teturning mixed phenomenon in post; By built-in updip swash plate and the built-in swash plate that has a down dip, increased sorting area, increased and risen floating path, thereby it has been high to reduce post.Tool has the following advantages:
1. adopt various ways to combine, effectively solve a flotation difficult problem poor to fine slime separating effect: froth concentrate rises floating to froth zone, under the spoil settlement action that promotes to be mingled with in concentrate at built-in updip swash plate, utilize secondary enrichment and additional shower water effect, reduce the pollution of the thin mud of high ash, carry out selectedly, guarantee concentrate quality.
2. in trapping district, increased built-in hang plate, the ore pulp that enters like this trapping district in floatation process is divided into array flow of slurry, thereby has weakened air-teturning mixed phenomenon in post.
3. in trapping district and froth zone, all added hang plate, improved the treating capacity of flotation column, improved the distribution of flotation column flow field, increased the floating distance of liter of ore pulp, thereby it has been high to effectively reduce post.
4. simple in structure, simple operation, do not need additionaling power and reagent consumption, solved preferably the contradiction between the efficiency of separation and energy consumption, medicine consumption.A large amount of easily floating, medium mineral that float adopt adverse current mineralising and secondary enrichment to carry out sorting, and the efficiency of separation is high, has guaranteed concentrate quality.Difficult floating mineral adopt power consumption less pipe stream mineralising and rotational flow sorting, are conducive to improve concentrate yield.Therefore, along with the variation of mineral floatability, pulp density progressively reduces from top to bottom, and mineralization intensity progressively increases, and sorting is progressively strengthened, and realizes step and optimizes efficient separation.
Accompanying drawing explanation
Fig. 1 is example one structural representation of built-in hang plate rotational flow microbubble flotation column of the present utility model;
Fig. 2 is the cross-sectional view of Fig. 1 medium dip plate;
Fig. 3 is example two structural representations of built-in hang plate rotational flow microbubble flotation column of the present utility model;
Fig. 4 is the cross-sectional view of Fig. 3 medium dip plate.
In figure: 1-spray header; 2-froth concentrate feeder; 3-froth zone; The built-in updip swash plate of 4-; 5-feeding pipe; 6-circulation ore slurry pump; 7-bubble generator; 8-Pressure gauge; 9-traps district; The built-in swash plate that has a down dip of 10-; 11-stabilier; 12-conically shaped; 13-scans district; 14-debris tube.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described:
Claims (3)
1. a built-in hang plate rotational flow microbubble flotation column screening installation, the froth zone (3) that comprises flotation column, trapping district (9), scan district (13), be located at the spray header (1) on flotation column, froth concentrate feeder (2), feeding pipe (5), circulation ore slurry pump (6), bubble generator (7), Pressure gauge (8), stabilier (11), conically shaped (12), debris tube (14), it is characterized in that: in the froth zone of described flotation column (3), be interval with the built-in updip swash plate of polylith (4), in trapping district (9), be interval with the built-in swash plate that has a down dip of polylith (10), built-in updip swash plate (4) is contrary with the built-in swash plate that has a down dip (10) incline direction.
2. built-in hang plate rotational flow microbubble flotation column screening installation according to claim 1, is characterized in that: the froth zone of described flotation column (3) and trapping district (9) cylinder are upright or be obliquely installed, and the direction being obliquely installed is identical with its built-in hang plate direction.
3. built-in hang plate rotational flow microbubble flotation column screening installation according to claim 1, is characterized in that: described polylith hang plate is 3～5, and angle of inclination is 45 °～90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562168.2U CN203484234U (en) | 2013-09-10 | 2013-09-10 | Rotational flow microbubble flotation column separation equipment with internally arranged tilting plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562168.2U CN203484234U (en) | 2013-09-10 | 2013-09-10 | Rotational flow microbubble flotation column separation equipment with internally arranged tilting plates |
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| CN203484234U true CN203484234U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320562168.2U Expired - Fee Related CN203484234U (en) | 2013-09-10 | 2013-09-10 | Rotational flow microbubble flotation column separation equipment with internally arranged tilting plates |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447159A (en) * | 2013-09-10 | 2013-12-18 | 中国矿业大学 | Cyclone micro bubble floatation column separation equipment with built-in inclined plates, and method |
| CN105021231A (en) * | 2015-07-31 | 2015-11-04 | 中国矿业大学 | Flotation motion bubble characteristics observation experiment apparatus and method |
| CN105080700A (en) * | 2015-09-16 | 2015-11-25 | 中国矿业大学 | Pulsation inclined plate intensification classifying and sorting device and method thereof |
-
2013
- 2013-09-10 CN CN201320562168.2U patent/CN203484234U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447159A (en) * | 2013-09-10 | 2013-12-18 | 中国矿业大学 | Cyclone micro bubble floatation column separation equipment with built-in inclined plates, and method |
| CN105021231A (en) * | 2015-07-31 | 2015-11-04 | 中国矿业大学 | Flotation motion bubble characteristics observation experiment apparatus and method |
| CN105080700A (en) * | 2015-09-16 | 2015-11-25 | 中国矿业大学 | Pulsation inclined plate intensification classifying and sorting device and method thereof |
| CN105080700B (en) * | 2015-09-16 | 2018-08-28 | 中国矿业大学 | A kind of pulsation inclined plate strengthens classifying and sorting device and its method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150910 |
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| EXPY | Termination of patent right or utility model |