CN211217132U

CN211217132U - A scraper blade structure for mineral flotation

Info

Publication number: CN211217132U
Application number: CN201921903790.9U
Authority: CN
Inventors: 高文昊
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-11
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a scraper blade structure for mineral flotation, including the flotation tank, open top one side of flotation tank has the charge door, open the flotation tank top has the material mouth of scraping, scrape the terminal surface outer wall that the fixed plate one end of material mouthful installation stretches out the flotation tank, all rotate between the fixed plate both ends and cup joint the transmission shaft, two sprockets are cup jointed to equal fixed on the transmission shaft, the driving chain is cup jointed between the sprocket, the scraper blade is all installed between the chain section of two driving chains, the flotation tank is close to the inner wall fixed mounting guide block that the fixed plate stretches out the end, the flotation tank is close to the outer wall fixed mounting collecting box of guide block. Mineral, water and foaming agent pass through the charge door and add the flotation tank in, meticulous mineral is taken to the liquid level top by the foam, and the transmission shaft passes through outside motor drive and rotates for the sprocket drives the driving chain and rotates, and the foam is scraped to the lower section scraper blade of driving chain, and carries the foam and remove to guide block department, and the scraper blade passes through the guide block and slides to flotation tank outer wall, makes the foam drop and collects in the collecting box.

Description

A scraper blade structure for mineral flotation

Technical Field

The utility model relates to a mineral flotation technical field specifically is a scraper blade structure for mineral flotation.

Background

The flotation method is a mineral separation process for floating solid minerals from a water suspension (ore pulp) according to the difference of physical and chemical properties of the surface of the minerals, and during the flotation, a surfactant-foaming agent which can generate a large amount of bubbles is adopted to bring fine minerals to the top of a liquid level, the foam with minerals is scraped by a scraper, the prior scraper is directly arranged on a rotating shaft, the scraping plate is driven to rotate by the rotating shaft so as to scrape the foam on the liquid surface, but the rotating shaft can only scrape the foam to the top surface of the flotation tank when being arranged at the top of the inner wall of the flotation tank, the foam can not be directly sent to the outer wall of the flotation tank, the foam is often accumulated on the top of the flotation tank and finally slides along the outer wall of the flotation tank, the foam is easily scattered on the bottom surface, and the collection of the foam is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scraper blade structure for mineral flotation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a scraper blade structure for mineral flotation, includes the flotation tank, open one side at the top of flotation tank has the charge door, open the other side at flotation tank top has the material mouth of scraping, scrape fixed mounting fixed plate on the flotation tank of material mouth both sides, the terminal surface outer wall of flotation tank is stretched out to the one end of fixed plate, the equal rotation cup joints the transmission shaft between the fixed plate both ends, equal fixed cup joints two sprockets on the transmission shaft, the driving chain is cup jointed between the sprocket, two the scraper blade is all installed between the link of driving chain, the scraper blade includes fixed cover, the chain link of the blind end fixed connection driving chain of fixed cover, slide joint slide in the fixed cover, the pressure spring is installed to terminal surface within slide and the fixed cover, the both ends inner wall of fixed cover is opened has the spacing groove, the slide is close to the one end outer wall fixed mounting stopper of pressure spring, stopper, the inner wall of the flotation tank close to the extending end of the fixed plate is fixedly provided with a guide block, and the outer wall of the flotation tank close to the guide block is fixedly provided with a collecting box.

Preferably, the highly be less than the distance that the section went down to the flotation tank of driving chain of fixed cover, the fixed embedded installation sealing washer of open end inner wall of fixed cover, and sealing washer in close contact with slide, the top surface and the bottom surface of guide block are slope structure, the one end that the driving chain was kept away from to the slide is the semicylinder structure.

Preferably, fixed mounting agitator motor on the charge door and the flotation tank roof of scraping between the material mouthful, agitator motor's output shaft runs through flotation tank roof and fixed connection pivot, a plurality of puddlers of fixed mounting in the pivot.

Preferably, the slag discharging port is formed in one side of the bottom of the flotation tank, the material taking port is formed in the outer wall of the collecting box, the sealing door is installed on the slag discharging port, the charging hole and the material taking port, and the drain pipe with the valve is fixedly connected to the bottom of the side, away from the slag discharging port, of the flotation tank.

Preferably, the flotation tank is kept away from one side outer wall top of scraping the material mouth and is fixedly cup jointed with a plurality of gathering trachea, the top fixed mounting baffle of collecting box, the baffle is cavity L type structure, and the end that stretches out of fixed plate stretches into in the baffle, fixedly cup joint a plurality of gas blow pipes on the roof of baffle.

Compared with the prior art, the beneficial effects of the utility model are that: the scraper is driven by the transmission chain to continuously scrape foam, when the scraper brings the foam to the guide block, the semi-cylinder at the bottom of the sliding plate contacts the tangent plane at the top of the guide block, so that the sliding plate compresses the pressure spring and slides into the fixed sleeve, and the scraper can bring the foam to the outer wall of the flotation tank and is positioned right above the collecting tank, so that the foam can be conveniently collected into the collecting tank in a centralized manner; after the foam is scraped to the outer wall of the flotation tank, the blowing pipe on the baffle blows air to the scraper, and no obstacle exists between the transmission chains, so that the foam on the outer wall of the scraper is blown down into the collection tank by the air blown by the blowing pipe to be collected, and the foam on the scraper can be completely collected; through puddler stirring mineral, water and foaming agent to thereby be convenient for foaming agent and water intensive mixing produce the foam, thereby make mineral homodisperse be convenient for the foam take meticulous mineral to the liquid level top, and blow through gathering the foam of trachea to the liquid level top, make the foam float to scraping material mouthful department, the scraper blade of being convenient for is scraped and is got.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a sectional structure of the scraper of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the right-side cross-sectional structure of the present invention.

In the figure: 1 flotation tank, 2 feed inlets, 3 scraping ports, 4 fixing plates, 5 transmission shafts, 6 scraping plates, 61 fixing sleeves, 62 compression springs, 63 limiting grooves, 64 limiting blocks, 65 sliding plates, 7 collecting boxes, 8 baffle plates, 9 blowing pipes, 10 stirring motors, 11 slag discharging ports, 12 chain wheels, 13 transmission chains, 14 guide blocks, 15 gathering air pipes, 16 rotating shafts, 17 stirring rods and 18 inflation pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a scraper structure for mineral flotation comprises a flotation tank 1, wherein one side of the top of the flotation tank 1 is provided with a feed inlet 2, the other side of the top of the flotation tank 1 is provided with a scraping port 3, fixed plates 4 are fixedly arranged on the flotation tank 1 at two sides of the scraping port 3, one end of each fixed plate 4 extends out of the outer wall of the end face of the flotation tank 1, a transmission shaft 5 is rotatably sleeved between two ends of each fixed plate 4, two chain wheels 12 are fixedly sleeved on the transmission shaft 5, a transmission chain 13 is sleeved between the chain wheels 12, scrapers 6 are respectively arranged between the chain links of the two transmission chains 13, each scraper 6 comprises a fixed sleeve 61, the closed end of each fixed sleeve 61 is fixedly connected with a chain link of the transmission chain 13, a sliding clamping sliding plate 65 slides in the fixed sleeve 61, a pressure spring 62 is arranged between the inner end faces of the sliding plate 65 and the fixed sleeve 61, the inner walls of two ends of the fixed sleeve 61, flotation tank 1 is close to the inner wall fixed mounting guide block 14 that fixed plate 4 stretched out the end, and flotation tank 1 is close to the outer wall fixed mounting collecting box 7 of guide block 14 to 1 outer wall bottom of flotation tank is fixed to be cup jointed a plurality of

gas tubes

18, and 18 top surfaces of the gas tubes in flotation tank 1 open and have a plurality of tiny gas pockets, thereby let in gas to mixed liquid bottom through gas tube 18, and give vent to anger through tiny gas pocket, thereby make and mix interior gassing of liquid. Mineral, water and foaming agent pass through in charge door 2 adds flotation tank 1, meticulous mineral is taken to the liquid level top by the foam, transmission shaft 5 drives through outside motor and rotates, thereby make sprocket 12 drive driving chain 13 rotate, then the slide 65 of driving chain 13 down section receives in the pressure of pressure spring 62 stretches into flotation tank 1, thereby scrape and get the foam and carry the foam and remove to guide block 14 department, thereby slide 65 bottom contact guide block 14 compresses pressure spring 62 and slides in fixed cover 61, thereby make scraper blade 6 can take the foam to flotation tank 1 outer wall department, make the foam drop collect in collecting box 7.

The highly be less than the distance that transmission chain 13 descends the section to flotation tank 1 of fixed cover 61, the fixed embedded installation sealing washer of open end inner wall of fixed cover 61, and sealing washer in close contact with slide 65, the top surface and the bottom surface of guide block 14 are the slope structure, prevent that the air bubble that rises from piling up here, and the one end that transmission chain 13 was kept away from to slide 65 plays the guide effect for the semicircle column structure.

Fixed mounting agitator motor 10 on the 1 roof of flotation tank between charge door 2 and scraping material mouth 3, agitator motor 10's output shaft runs through 1 roof of flotation tank and fixed connection pivot 16, a plurality of puddlers 17 of fixed mounting on the pivot 16, through puddler 17 stirring mineral, water and foaming agent to be convenient for foaming agent and water intensive mixing produce the foam, thereby make mineral homodisperse be convenient for bubble and foam take meticulous mineral to liquid level top.

The bottom of flotation tank 1 is opened one side and is had row cinder notch 11, and the outer wall of collecting box 7 is opened and is got the material mouth, arranges cinder notch 11, charge door 2 and gets the material mouth and all installs sealing door, and the fixed cover of one side bottom that flotation tank 1 kept away from row cinder notch 11 connects the drain pipe that has the valve, is convenient for clear and transport.

Flotation tank 1 keeps away from one side outer wall top of scraping material mouth 3 and fixedly cup joints a plurality of gathering trachea 15, blow through gathering trachea 15 to the foam at liquid level top, make the foam float to scraping material mouth 3 department, be convenient for scraper blade 6 scrapes and get, the top fixed mounting baffle 8 of collecting box 7, baffle 8 is cavity L type structure, and the end that stretches out of fixed plate 4 stretches into in the baffle 8, fixedly cup joint a plurality of gas blow pipes 9 on the roof of baffle 8, then scraper blade 6 scrapes the foam behind 1 outer wall of flotation tank, gas blow pipe 9 on the baffle 8 blows to scraper blade 6, no obstacle between drive chain 13, thereby the gas that blows out through gas blow pipe 9 blows off the foam of scraper blade 6 outer wall and collects in collecting box 7.

The working principle is as follows: when the utility model is used, minerals, water and foaming agent are added into the flotation tank 1 through the charging hole 2, the stirring motor 10 drives the rotating shaft 16 to rotate, thereby leading the stirring rod 17 to stir minerals, water and foaming agent, gas is introduced into the bottom of the mixed liquid through the inflation tube 18, and gas is discharged through fine air holes, thereby leading bubbles to be generated in the mixed liquid, the foaming agent and the water are fully mixed to generate foam, the minerals are uniformly dispersed, thereby leading the foam to be brought above the liquid level, the gathering air tube 15 blows the top of the liquid level, leading the foam to be gathered at the scraping hole 3, the transmission shaft 5 is driven to rotate through the external motor, thereby leading the chain wheel 12 to drive the transmission chain 13 to rotate, the sliding plate 65 at the descending section of the transmission chain 13 is stretched into the flotation tank 1 by the pressure of the pressure spring 62, thereby scraping the foam and carrying the foam to move to the guide block 14, the bottom of the sliding plate 65 is contacted with the guide block, thereby make scraper blade 6 can take the foam to 1 outer wall department of flotation tank, gas blow pipe 9 on the baffle 8 blows to scraper blade 6, no obstacle between drive chain 13 to the foam of scraper blade 6 outer wall is blown down to collecting box 7 in through the gas that gas blow pipe 9 blew out and is collected, is convenient for concentrate the foam of collecting and carrying the mineral.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scraper structure for mineral flotation, comprising a flotation tank (1), characterized in that: open top one side of flotation tank (1) has charge door (2), flotation tank (1) top opposite side is opened has scrapes material mouth (3), scrape fixed mounting fixed plate (4) on flotation tank (1) of material mouth (3) both sides, the terminal surface outer wall of flotation tank (1) is stretched out to the one end of fixed plate (4), all rotate between fixed plate (4) both ends and cup joint transmission shaft (5), all fixed cup joint two sprocket (12) on transmission shaft (5), cup joint driving chain (13) between sprocket (12), two scraper blade (6) are all installed to the interlinkage of driving chain (13), scraper blade (6) are including fixed cover (61), the chain link of the blind end fixed connection driving chain (13) of fixed cover (61), slip joint slide (65) in fixed cover (61), install pressure spring (62) between slide (65) and fixed cover (61) inner end face, the utility model discloses a flotation device, including fixed cover (61), slide plate (65), limit slot (63) are opened to the both ends inner wall of fixed cover (61), slide plate (65) are close to one end outer wall fixed mounting stopper (64) of pressure spring (62), stopper (64) slip joint is in limit slot (63), flotation tank (1) is close to inner wall fixed mounting guide block (14) that fixed plate (4) stretched out the end, flotation tank (1) is close to outer wall fixed mounting collecting box (7) of guide block (14).

2. A scraper structure for mineral flotation according to claim 1, characterized in that: the highly be less than the distance of section to flotation tank (1) down of driving chain (13) of fixed cover (61), the fixed embedded installation sealing washer of open end inner wall of fixed cover (61), and sealing washer in close contact with slide (65), the top surface and the bottom surface of guide block (14) are the slope structure, the one end that driving chain (13) was kept away from in slide (65) is the semicylinder structure.

3. A scraper structure for mineral flotation according to claim 1, characterized in that: fixed mounting agitator motor (10) on flotation tank (1) roof between charge door (2) and scraping material mouth (3), the output shaft of agitator motor (10) runs through flotation tank (1) roof and fixed connection pivot (16), a plurality of puddlers of fixed mounting (17) are gone up in pivot (16).

4. A scraper structure for mineral flotation according to claim 1, characterized in that: the utility model discloses a flotation tank, including flotation tank (1), bottom one side of flotation tank (1) is opened there is row cinder notch (11), the outer wall of collecting box (7) is opened there is the material mouth of getting, arrange cinder notch (11), charge door (2) and get the material mouth and all install sealing door, the fixed cover of one side bottom of keeping away from row cinder notch (11) of flotation tank (1) connects the drain pipe that has the valve.

5. A scraper structure for mineral flotation according to claim 1, characterized in that: flotation tank (1) is kept away from one side outer wall top of scraping material mouth (3) and is fixedly cup jointed a plurality of gathering trachea (15), the top fixed mounting baffle (8) of collecting box (7), baffle (8) are cavity L type structure, and in the end that stretches out of fixed plate (4) stretched into baffle (8), fixedly cup joint a plurality of gas blow pipes (9) on the roof of baffle (8).