A reciprocating automatic lifting flotation machine bubble pushing mode

Abstract

The application discloses a reciprocating automatic lifting flotation machine bubble pushing mode, single-crank rotation movement around the rotation center A is converted into the reciprocating linear motion of driving two sets of bubble pushing devices through double connecting rods and double sliding blocks; at two limit positions of the reciprocating linear motion, i.e. when the point B on the crank is at the point B1 and the point B2, the up-and-down translation bubble pushing plate or the rotary bubble pushing plate action of the two sets of bubble pushing devices is triggered respectively; the two sets of bubble pushing plates are at the low position in the respective pushing stroke and are at the high position in the respective return stroke, the bubble pushing mode in the application has a large reciprocating stroke, the flotation machine concentrate bubble range is wide, the bubble discharge amount is large, the loss of reagents is reduced, and the processing capacity and processing effect of the flotation machine are improved.

Description

Technical Field

[0001] This invention belongs to the field of mineral processing equipment technology, specifically a reciprocating automatic lifting flotation machine with a foam pushing method. Background Technology

[0002] The efficiency of forced removal of suspended froth products from the surface of the slurry directly affects the processing capacity and separation effect of the flotation machine. The traditional method for removing froth involves a scraper moving in a circular motion around its axis above the overflow weir of the flotation machine, scraping the froth near the overflow weir out of the flotation tank. This method results in a small contact area between the scraper and the froth, with the amount of froth scraped out limited to the overlap area between the scraper's circular motion area and the flotation froth layer. The amount scraped out is relatively small, and froth further away from the scraper's circular area is not removed in a timely manner, severely restricting the processing capacity and flotation effect of the flotation machine. With the increasing size of flotation machines, the length and width of the flotation tank have been enlarged approximately proportionally, making this problem even more prominent.

[0003] Chinese patent CN200720190917.8 describes a flotation machine's foam-pushing device. This device effectively prolongs the adsorption of valuable metals by foam, causing it to continuously accumulate upwards along the inclined surface of the cone. It then stably pushes the concentrate foam into the outer ring foam tank, and finally, the water jet from the spray pipe flushes it all into the concentrate discharge outlet, thereby achieving the purpose of balancing the separation process, stabilizing the concentrate foam output, and improving the concentrate separation index. However, those skilled in the art have found in actual operation that, due to the inverted structure of the cone, the foam generation rate is very fast. The subsequent elimination method uses a spray structure, which has a limited capacity to process concentrate in a single operation. It is suitable for small-scale or low-volume applications, but not for large-scale mining areas. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, such as their narrow applicability and unsuitability for large mining areas, this invention provides a reciprocating automatic lifting flotation machine with a large reciprocating stroke, resulting in a wide range of froth discharged from the flotation machine, a large amount of discharged froth, reduced reagent consumption, and improved flotation machine processing capacity and effect.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a reciprocating automatic lifting flotation machine with a bubble pushing method, wherein the rotational motion of the single crank around the rotation center A is converted into a reciprocating linear motion driving two sets of bubble pushing devices through a double connecting rod and a double slider; at the two extreme positions of the reciprocating linear motion, i.e., when point B on the crank is at points B1 and B2, the two sets of bubble pushing devices are respectively triggered to move the bubble pushing plates up and down or rotate the bubble pushing plates; both sets of bubble pushing plates are at a low position during their respective pushing strokes and at a high position during their respective return strokes.

[0006] As a preferred embodiment of the present invention, the crank rotation center is located on the center line of the tank structure in the feed direction of the flotation machine.

[0007] As a preferred embodiment of the present invention, the foam pushing device includes a vertically translating or rotating foam pushing plate, a foam pushing plate driving device, and a connecting frame. The foam pushing device is mounted on the slider via the connecting frame.

[0008] As a preferred technical solution of the present invention, the vertical translational bubble pusher or the rotating bubble pusher has two working positions: the push stroke is in the low position, and its lower edge is lower than the overflow weir; the return stroke is in the high position, and its lower edge is higher than the overflow weir.

[0009] As a preferred technical solution of the present invention, the lower edge movement trajectory of the bubble pusher plate of the vertical translation or rotation bubble pusher plate is approximately rectangular or parallelogram in the vertical plane. The switching between high and low working positions is realized by the bubble pusher plate driving device. The switching action is triggered when point B on the crank is at points B1 and B2.

[0010] Compared with the prior art, the beneficial effects that the present invention can achieve are:

[0011] In this invention, the pushing foam method has a large reciprocating stroke, resulting in a wide range of foam discharge from the flotation machine and a large amount of discharged foam, which reduces reagent consumption and improves the processing capacity and effect of the flotation machine. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the present invention;

[0013] Figure 2 A schematic diagram of the motion trajectory of the lower edge of the vertically shifting bubble pusher.

[0014] Figure 3 This is a schematic diagram of the motion trajectory of the lower edge of the rotating bubble pusher.

[0015] The components are: 1. Flotation tank; 2. Crankshaft; 3. Connecting rod; 4. Slider; 5. Bubble pusher; 6. Overflow weir; 7. Bubble pusher drive device; 8. Connecting frame; 9. Upward and downward translational bubble pusher; 10. Lower edge movement trajectory of bubble pusher; 11. Rotating bubble pusher. Detailed Implementation

[0016] To make the technical means, creative features, and achieved objectives and effects of this invention easier to understand, the invention is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this invention and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this invention. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified.

[0017] Example:

[0018] like Figure 1-3 As shown, in a reciprocating automatic lifting flotation machine, the rotational motion of a single crank 2 around the rotation center A is converted into the reciprocating linear motion of two sets of pushing devices 5 via a double connecting rod 3 and a double slider 4. At the two extreme positions of the reciprocating linear motion, i.e., when point B on crank 2 is at points B1 and B2, the two sets of pushing devices are triggered to move the pushing plates 9 vertically or rotate the pushing plates 11 vertically. Both pushing plates 9 are at a low position during their respective pushing strokes and at a high position during their respective return strokes.

[0019] In other embodiments, the rotation center of crank 2 is located on the center line of the tank structure in the feed direction of the flotation machine.

[0020] During this process, crank 2 drives the lower edge of the foam layer of the flotation machine to move up and down or rotate the foam pusher 9 or the foam pusher 11, pushing the concentrate foam out of the flotation machine tank.

[0021] In other embodiments, the foam pushing device 5 includes a vertically translating foam pushing plate 9 or a rotating foam pushing plate 11, a foam pushing plate driving device 7, and a connecting frame 8. The foam pushing device 5 is mounted on the slider 4 via the connecting frame 8.

[0022] The sliders 4 at both ends are along the crank 2 Figure 1 Driven by the dotted circular trajectory, it reciprocates in a straight line, expanding the range of foam discharge.

[0023] In other embodiments, the vertical translational bubble pusher 9 or the rotating bubble pusher 11 has two working positions: a high position during the push stroke and a high position during the return stroke.

[0024] In other embodiments, the lower edge movement trajectory 10 of the vertically translating bubble pusher 9 or rotating bubble pusher 11 is approximately rectangular or parallelogram in the vertical plane. The switching between high and low working positions is achieved by the bubble pusher drive device 7. The switching action is triggered when point B on the crank 2 is at points B1 and B2.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for pushing bubbles in a reciprocating automatic lifting flotation machine, characterized in that: The rotational motion of the single crank (2) around the rotation center A is converted into the reciprocating linear motion of the two sets of bubble-pushing devices (5) through the double connecting rod (3) and double slider (4); at the two extreme positions of the reciprocating linear motion, that is, when point B on the crank (2) is at points B1 and B2, the two sets of bubble-pushing devices are triggered to move the bubble-pushing plates (9) up and down or rotate the bubble-pushing plates (11) respectively. Both sets of the bubble pusher plates (9) are at a low position during their respective push strokes and at a high position during their respective return strokes; The foam pushing device (5) includes a vertically translating foam pushing plate (9) or a rotating foam pushing plate (11), a foam pushing plate driving device (7) and a connecting frame (8). The foam pushing device (5) is mounted on the slider (4) through the connecting frame (8). The vertical translational bubble pusher (9) or the rotating bubble pusher (11) has two working positions: a high position and a low position. When the push stroke is in the low position, its lower edge is lower than the overflow weir (6); when the return stroke is in the high position, its lower edge is higher than the overflow weir (6).

2. The method for pushing froth in a reciprocating automatic lifting flotation machine according to claim 1, characterized in that: The crank (2) rotation center is set on the center line of the tank structure in the feed direction of the flotation machine.

3. The foaming method of a reciprocating automatic lifting flotation machine according to claim 1, characterized in that: The lower edge movement trajectory (10) of the vertical translational bubble pusher (9) or the rotating bubble pusher (11) is approximately a rectangle or parallelogram in the vertical plane. The switching between high and low working positions is achieved by the bubble pusher drive device (7). The switching action is triggered when point B on the crank (2) is at points B1 and B2.

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