CN202377104U

CN202377104U - Compressed air type floatation machine with short columns

Info

Publication number: CN202377104U
Application number: CN201120559291XU
Authority: CN
Inventors: 吕玉庭; 谷金锋; 靳月香; 周国红
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2011-12-28
Filing date: 2011-12-28
Publication date: 2012-08-15
Anticipated expiration: 2021-12-28

Abstract

The utility model discloses a compressed air type floatation machine with short columns, which relates to a floatation machine and aims to solve the problem that an existing floatation column brings inconvenience for operation and maintenance in order to guarantee a floatation effect and an existing plant with a fixed floor structure needs to be modified. A feeding scatter of the compressed air type floatation machine is arranged in a short-column-shaped floatation barrel, a concentrate overflow groove is fastened at the upper end of the short-column-shaped floatation barrel, one end of a circulating pipe is penetratingly disposed at the lower end of the short-column-shaped floatation barrel, the other end of the circulating pipe is connected with a distributor, a circulating pump is arranged on the circulating pipe, one end of a tailings pipe is penetratingly disposed at the lower end of the short-column-shaped floatation barrel, the other end of the tailings pipe is connected with a tailings adjusting tank, a reflect sheet is arranged on the short-column-shaped floatation barrel, a plurality of mineralization units are arranged in the short-column-shaped floatation barrel, each mineralization unit is connected with the distributor by a corresponding distributing pipe, and a conical barrel is disposed at the upper end of the feeding scatter. The compressed air type floatation machine is applicable to floatation of fine granular minerals.

Description

A kind of air pressing type short column flotation device

Technical field

The utility model relates to a kind of flotation device, is specifically related to a kind of air pressing type short column flotation device.

Background technology

The pneumatic flotation cell kind is more, wherein is that main ejector flotation machine and flotation column is at most with the negative inspiratory pressure.The negative pressure that negative inspiratory pressure formula flotation mineralizer adopts jet to produce sucks air, gets into and good dispersion in order to guarantee enough air, must adopt bigger ore pulp internal circulating load.Problems such as that internal circulating load is brought mineral to cross greatly to pulverize is serious, power consumption is big, equipment and pipe wear are big influence the economy of flotation effect and flotation.The ejector flotation machine floor space of square cell body is big, and flotation cell volume effective rate of utilization is low.And existing flotation column is in order to guarantee flotation effect, and height of column is not only made troubles to Operation and maintenance generally more than 6 meters, and fixing modernizing and expanding the existing factory brings new problem for floor structure.

The utility model content

The purpose of the utility model is in order to solve existing flotation column in order to guarantee flotation effect; Height of column is generally more than 6 meters; Not only make troubles, and fixing modernizing and expanding the existing factory brings new problem for floor structure, and then a kind of air pressing type short column flotation device is provided to Operation and maintenance.

The technical scheme of the utility model is: a kind of air pressing type short column flotation device comprises pan feeding scatterer, circulating pump, distributor, short cylindrical flotation bucket, reflecting plate, concentrate overflow launder, debris tube, mine tailing regulating box, first feeding pipe, circulation pipe, a plurality of sub-feed tube and a plurality of mineralization unit that equates with sub-feed tube quantity; The pan feeding scatterer is arranged in the short cylindrical flotation bucket; Concentrate overflow launder spiral-lock is in the upper end of short cylindrical flotation bucket; First feeding pipe passes short cylindrical flotation bucket and is communicated with the pan feeding scatterer, intersection's sealing of first feeding pipe and short cylindrical flotation bucket, and an end of circulation pipe is located in the lower end of short cylindrical flotation bucket; The other end of circulation pipe is connected with distributor; Circulating pump is arranged on the circulation pipe, and an end of debris tube is located in the lower end of short cylindrical flotation bucket, and the other end of debris tube is connected with the mine tailing regulating box; Circulation pipe and debris tube setting are at grade; Reflecting plate is arranged in the short cylindrical flotation bucket, and reflecting plate is between pan feeding scatterer and circulation pipe or debris tube, and a plurality of mineralization units are arranged in the short cylindrical flotation bucket; Each mineralization unit is connected with distributor through a corresponding sub-feed tube; Said flotation device also comprises cone tank, and cone tank is arranged on the upper end of pan feeding scatterer, and each mineralization unit includes mixing chamber, tube connector, scatterer, air hose, first control valve, first air chamber, first air inlet pipe, second control valve, second air inlet pipe, second air chamber and pressure ventilation pipe; Mixing chamber, tube connector and scatterer are connected to the lower end of sub-feed tube from top to bottom in turn; First air inlet pipe and second air inlet pipe are set up in parallel on mixing chamber, and first air chamber and second air chamber are separately positioned on first air inlet pipe and second air inlet pipe, and air hose is communicated with the top of first air chamber through first control valve; Connect through second control valve between first air chamber and second air chamber, pressure ventilation pipe is communicated with the bottom of second air chamber.

The utility model compared with prior art has following effect: 1. the cone tank of the utility model effectively raises the speed that foam overflows, and simultaneously, not only is convenient to Operation and maintenance, has solved also that fixing modernizing and expanding the existing factory brings a difficult problem for floor structure.2. the ore pulp of the utility model is done the jet motion in the mineral unit, and air adopts pressuring method to get into, and adopts two section jet dispersing modes to realize that bubble disperses broken and ore pulp mineralising floatation process, by mine tailing regulating box control liquid level, thus the control floatation indicators.According to the product index needs, the utility model can be with the use that combines of two short column flotation devices, and the mine tailing of one section flotation device carries out the secondary sorting from flowing into the bis flotation machine.3 the utility model have also that bubble is uniformly dispersed, internal circulating load is few, the advantage of low in energy consumption and reliable operation.4. the utility model is simple in structure, and is easy to use, quick, manufactures easily, and cost is low.5. the utility model is that malleation air inlet, power consumption are less, the short column flotation device that dischargeable capacity is big.

Description of drawings

Fig. 1 is the overall structure sketch map (flow directions of the direction indication mineral of arrow) of the utility model; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the mineral unit and the gas distributing device structural representation of the utility model; Fig. 4 is the combining form sketch map of the utility model.

The specific embodiment

The specific embodiment one: combine Fig. 1-Fig. 3 that this embodiment is described; This embodiment comprises pan feeding scatterer 1, circulating pump 2, distributor 3, short cylindrical flotation bucket 8, reflecting plate 9, concentrate overflow launder 10, debris tube 11, mine tailing regulating box 12, the first feeding pipe 13-1, circulation pipe 13-2, a plurality of sub-feed tube 4 and a plurality of mineralization unit 5 that equates with sub-feed tube quantity; Pan feeding scatterer 1 is arranged in the short cylindrical flotation bucket 8; Concentrate overflow launder 10 spiral-locks are in the upper end of short cylindrical flotation bucket 8; The first feeding pipe 13-1 passes short cylindrical flotation bucket 8 and is communicated with pan feeding scatterer 1; Intersection's sealing of the first feeding pipe 13-1 and short cylindrical flotation bucket 8; The end of circulation pipe 13-2 is located in the lower end of short cylindrical flotation bucket 8, and the other end of circulation pipe 13-2 is connected with distributor 3, and circulating pump 2 is arranged on the circulation pipe 13-2; One end of debris tube 11 is located in the lower end of short cylindrical flotation bucket 8; The other end of debris tube 11 is connected with mine tailing regulating box 12, and circulation pipe 13-2 and debris tube 11 are provided with at grade, and reflecting plate 9 is arranged in the short cylindrical flotation bucket 8; And reflecting plate 9 is between pan feeding scatterer 1 and circulation pipe 13-2 or debris tube 11; A plurality of mineralization units 5 are arranged in the short cylindrical flotation bucket 8, and each mineralization unit 5 is connected with distributor 3 through a corresponding sub-feed tube 4, and said flotation device also comprises cone tank 7; Cone tank 7 is arranged on the upper end of pan feeding scatterer 1; Each mineralization unit 5 includes mixing chamber 22, tube connector 23, scatterer 24, air hose 14, first control valve 15, first air chamber 16, first air inlet pipe 17, second control valve 18, second air inlet pipe 19, second air chamber 20 and pressure ventilation pipe 21, and mixing chamber 22, tube connector 23 and scatterer 24 are connected to the lower end of sub-feed tube 4 from top to bottom in turn, and first air inlet pipe 17 and second air inlet pipe 19 are set up in parallel on mixing chamber 22; First air chamber 16 and second air chamber 20 are separately positioned on first air inlet pipe 17 and second air inlet pipe 19; Air hose 14 is communicated with the top of first air chamber 16 through first control valve 15, connects through second control valve 18 between first air chamber 16 and second air chamber 20, and pressure ventilation pipe 21 is communicated with the bottom of second air chamber 20.

The specific embodiment two: combine Fig. 1-Fig. 3 that this embodiment is described, the quantity of the mineralization unit 5 of this embodiment is 4-12.So be provided with, the quantity of mineralization unit is provided with according to flotation bucket diameter, thereby realizes different mineral floating disposal abilities.Other composition is identical with the specific embodiment one with annexation.

The specific embodiment three: combine Fig. 1-Fig. 3 that this embodiment is described, the reflecting plate 9 of this embodiment is circular reflecting plate, has a plurality of circular holes on the circular reflecting plate, and the diameter of circular hole is 10cm-15cm.So be provided with, be convenient to passing through of fine grained mineral.Other composition is identical with the specific embodiment one or two with annexation.

The specific embodiment four: combine Fig. 1 that this embodiment is described, the cone tank 7 of this embodiment is the back taper bucket.So be provided with, shortened the range ability of mineralized froth, improved the speed of overflowing of mineralized froth.Other composition is identical with the specific embodiment one, two or three with annexation.

The course of work of the utility model is:

Ore pulp pressurization or gravity flow get in the short cylindrical flotation bucket 8 through the first feeding pipe 13-1, pan feeding scatterer 1; The circulation ore pulp is trickled downwards by reflecting plate 9; Through circulating pump 2, distributor 3 and sub-feed tube 4, get in several mineralization units 5, realize bubble pulverizing and ore pulp mineralising.The mineralising ore pulp is sprayed in the short cylindrical flotation bucket 8 by the scatterer 24 of mineralization unit 5 bottoms, and concentrate foam come-up is discharged by concentrate overflow launder 10, and mine tailing is discharged through reflecting plate 9, debris tube 11 and mine tailing regulating box 12.Can control in the flotation bucket liquid level through the adjusting of mine tailing regulating box 12 and regulate froth bed thickness, thus adjustment flotation concentrate index.

The mineralization unit 5 of short column flotation device adopts two sections jets pressurization inflation modes, can realize the inflation of two sections different pressures through first control valve 15, second control valve 18.When closing first control valve 15, open second control valve 18, forced air gets into first air chamber 16 and second air chamber 20 that is communicated with by pressure ventilation pipe 21, gets in two sections mixing chambers of mineralization unit 5 through second air inlet pipe 19 and first air inlet pipe 17.Open first control valve 15, close second control valve 18, forced air gets into first air chamber 16 by pressure ventilation pipe 21; In 22 2 sections of the mixing chambers of warp second air inlet pipe 19 entering mineralization units 5; Under jet action, form negative pressure in 22 1 sections of the mixing chambers, air is sucked by air hose 14 negative pressure; Through second air chamber 20, air inlet pipe 17, get in 22 1 sections of the mixing chambers of mineralization unit 5.Two sections that realize different air mass flows and air pressure are mixed mineralising.

As required can be with the practicality that combines of two short column flotation devices; The mine tailing of one section flotation device carries out the secondary sorting from flowing into the bis flotation machine; The concentrate of one section flotation device and bis flotation machine is as final concentrate, and bis flotation tail ore deposit is as true tailings, thereby realizes twice sorting of ore pulp; Compound mode is referring to Fig. 4, and two short column flotation devices adopt steel frame construction to connect to form the table flotation optional equipment that can realize twice sorting.

Claims

1. air pressing type short column flotation device; It comprises pan feeding scatterer (1), circulating pump (2), distributor (3), short cylindrical flotation bucket (8), reflecting plate (9), concentrate overflow launder (10), debris tube (11), mine tailing regulating box (12), first feeding pipe (13-1), circulation pipe (13-2), a plurality of sub-feed tube (4) and a plurality of mineralization unit that equates with sub-feed tube quantity (5); Pan feeding scatterer (1) is arranged in the short cylindrical flotation bucket (8); Concentrate overflow launder (10) spiral-lock is in the upper end of short cylindrical flotation bucket (8); First feeding pipe (13-1) passes short cylindrical flotation bucket (8) and is communicated with pan feeding scatterer (1); First feeding pipe (13-1) seals with the intersection of short cylindrical flotation bucket (8); One end of circulation pipe (13-2) is located in the lower end of short cylindrical flotation bucket (8); The other end of circulation pipe (13-2) is connected with distributor (3); Circulating pump (2) is arranged on the circulation pipe (13-2), and an end of debris tube (11) is located in the lower end of short cylindrical flotation bucket (8), and the other end of debris tube (11) is connected with mine tailing regulating box (12); Circulation pipe (13-2) is provided with at grade with debris tube (11); Reflecting plate (9) is arranged in the short cylindrical flotation bucket (8), and reflecting plate (9) is positioned between pan feeding scatterer (1) and circulation pipe (13-2) or the debris tube (11), and a plurality of mineralization units (5) are arranged in the short cylindrical flotation bucket (8); Each mineralization unit (5) is connected with distributor (3) through a corresponding sub-feed tube (4); It is characterized in that: said flotation device also comprises cone tank (7), and cone tank (7) is arranged on the upper end of pan feeding scatterer (1), and each mineralization unit (5) includes mixing chamber (22), tube connector (23), scatterer (24), air hose (14), first control valve (15), first air chamber (16), first air inlet pipe (17), second control valve (18), second air inlet pipe (19), second air chamber (20) and pressure ventilation pipe (21); Mixing chamber (22), tube connector (23) and scatterer (24) are connected to the lower end of sub-feed tube (4) from top to bottom in turn; First air inlet pipe (17) and second air inlet pipe (19) are set up in parallel on mixing chamber (22), and first air chamber (16) and second air chamber (20) are separately positioned on first air inlet pipe (17) and second air inlet pipe (19), and air hose (14) is communicated with the top of first air chamber (16) through first control valve (15); Connect through second control valve (18) between first air chamber (16) and second air chamber (20), pressure ventilation pipe (21) is communicated with the bottom of second air chamber (20).

2. a kind of air pressing type short column flotation device according to claim 1 is characterized in that: the quantity of mineralization unit (5) is 4-12.

3. a kind of air pressing type short column flotation device according to claim 1 and 2, it is characterized in that: reflecting plate (9) is circular reflecting plate, have a plurality of circular holes on the circular reflecting plate, and the diameter of circular hole is 10cm-15cm.

4. a kind of air pressing type short column flotation device according to claim 1 is characterized in that: cone tank (7) is the back taper bucket.