Flotation bubble measuring device

Abstract

The utility model provides a flotation bubble measuring device which comprises a flotation tank and a measuring part capable of being adjusted in a lifting mode, the flotation tank is communicated with an opening of the measuring part, and a scraper mechanism is arranged in the flotation tank and used for scraping bubbles in the flotation tank into a cavity of the measuring part. A moving plate with relatively adjustable height is arranged at the opening part of the measuring part and used for adjusting the height between the upper end of the moving plate and the bottom of the cavity of the measuring part, and the upper end of the moving plate is connected with an outlet of the flotation tank. The height between the upper end of the moving plate and the bottom of the cavity of the measuring component is adjusted by adjusting the height of the moving plate relative to the measuring component, so that the bubble falling height is adjusted, the breakage condition caused by the fact that bubbles rapidly fall to the bottom from an inlet of the measuring cup is reduced, and the problem that the bubbles cannot be completely and accurately measured is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flotation, especially to a flotation bubble measuring device. BACKGROUND

[0002] In the field of mineral flotation, it is necessary to determine the generated bubble intensity, so as to determine the amount of bubbles and the difficulty of defoaming, and facilitate the adjustment of the addition amount of flotation reagent, foaming agent or defoaming agent and the post-treatment of flotation concentrate.

[0003] At present, flotation experiments are mainly carried out in the flotation tank, and useful minerals selectively adhere to the bubbles in the ore pulp and float to the surface of the ore pulp, the flotation tank is provided with a scraper, the scraper is rapidly rotated by a motor, the nearby bubbles are scraped into a bubble collection device on one side, so as to facilitate the measurement of bubble volume or height. However, when the bubbles enter the bubble collection device, the bubble collection device has a certain height, the bubbles directly fall from the inlet to the bottom of the bubble collection device, which may cause some bubbles to break due to rapid falling, and the bubbles cannot be measured completely and accurately.

[0004] The invention disclosed in CN104487632A published on April 1, 2015, discloses a method for removing solid materials from a hydrophilic fiber suspension by means of bubbles in a flotation plant comprising one or more flotation units, in which flotation units a flotation froth is formed by conveying a fiber suspension-gas mixture, the flotation froth collects solid materials, and from the flotation units it is fed via an overflow into at least one froth collection tank, and there a blockage occurs, wherein the fiber suspension released from the solid materials is led as a clean slurry from the respective flotation unit, and the height of the suspension level in the respective flotation unit and / or the height of the froth level of the respective flotation unit can be changed by a control device depending on at least one parameter of the clean slurry. However, when the flotation froth enters the froth collection tank, the bubbles directly fall from the inlet to the bottom of the froth collection tank, which may cause the bubbles to be not measured completely and accurately. SUMMARY

[0005] In view of the above technical problems, the utility model provides a flotation bubble measuring device to solve the problem that the bubbles cannot be measured completely and accurately in the existing froth flotation device.

[0006] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] The application discloses a kind of floatation bubble measuring devices, including floatation tank and the measuring component of adjustable lifting, floatation tank is communicated with the mouth of measuring component, and scraper mechanism is arranged in floatation tank for scraping bubble in floatation tank into the cavity of measuring component;The mouth of measuring component is equipped with the movable plate of relatively adjustable height, for adjusting the height between the upper end of movable plate and the bottom of the cavity of measuring component, and the upper end of movable plate is connected with the outlet of floatation tank.The height between the upper end of movable plate and the bottom of the cavity of measuring component is adjusted by adjusting the height of movable plate relative to measuring component, so as to adjust the height of bubble falling, reduce the breakage caused by bubble falling rapidly from the inlet of measuring cup to the bottom, avoid the problem that bubble cannot be measured completely and accurately.

[0008] Further, the measuring component includes a measuring cup and a lifting adjustment support for supporting the measuring cup.

[0009] Further, the measuring cup includes an arc-shaped vertical plate surrounding the cavity, the opening of the arc-shaped vertical plate is arranged close to the floatation tank, and the opening of the arc-shaped vertical plate is provided with a fixed plate in sliding cooperation with the movable plate, and the movable plate is in sealing cooperation with the fixed plate.

[0010] Further, the fixed plate is provided with an embedded groove with an open upper end, and the movable plate is embedded in the embedded groove of the fixed plate.

[0011] Further, the two sides of the opening of the arc-shaped vertical plate are provided with sliding grooves in sliding cooperation with the movable plate, and the movable plate is in sealing cooperation with the sliding grooves.

[0012] Further, sealing pads are arranged between the movable plate and the fixed plate and / or between the movable plate and the sliding grooves.

[0013] Further, the outlet of the floatation tank is provided with an inclined plate with an upper end inclined towards the measuring component, the upper end of the inclined plate is connected with a downwardly inclined buffer plate, and the lower part of the buffer plate is connected with the upper end of the movable plate.

[0014] Further, the scraper mechanism includes an auxiliary scraper assembly arranged at the rear part of the floatation tank, and the auxiliary scraper assembly includes a scraper shaft rotatably arranged in the floatation tank and a plurality of auxiliary scrapers arranged on the scraper shaft.

[0015] Further, the end of the scraper shaft penetrating out of the floatation tank is connected with a rotating handle.

[0016] Further, the lifting adjustment support is a manual lifting platform, and the manual lifting platform is provided with a clamping groove for limiting the measuring cup.

[0017] The application has the following beneficial effects:

[0018] 1. The utility model discloses a lifting adjusting support adjusts the position of the measuring cup, and the moving plate at the inlet of the measuring cup moves relative to the measuring cup, thereby adjusting the height of bubble falling, reducing the rupture caused by the rapid falling of bubbles from the inlet of the measuring cup to the bottom, and avoiding the problem that bubbles cannot be measured completely and accurately.

[0019] 2. The utility model discloses a fixed plate is arranged at the inlet of the measuring cup, the moving plate and the fixed plate slide fit, and the inlet of the measuring cup is provided with a sliding slot on both sides, the moving plate slides along the sliding slot, the length of the moving plate sliding out of the fixed plate is changed, the distance from the bottom of the measuring cup to the outlet of the floatation tank is adjusted, and the height of bubble falling is adjusted.

[0020] 3. The utility model discloses an auxiliary scraper is arranged to push the bubble at the rear side of the stirrer forward, the main scraper and the auxiliary scraper cooperate to scrape the bubble in the floatation tank into the measuring cup, and only the bubble near the main scraper can enter the measuring cup.

[0021] 4. The utility model discloses a rotating handle is rotated to drive the auxiliary scraper to rotate, and the staff is convenient to operate.

[0022] 5. The utility model discloses that the shape of the auxiliary scraper is set as trapezoidal blade, the resistance of trapezoidal blade into water is small, and it is favorable to reduce the impact force on the bubble, according to the width of the floatation tank, the trapezoidal blade is set as a plurality, and the plurality of trapezoidal blades are distributed on the scraper shaft at intervals, and more bubbles are convenient to push.

[0023] 6. The utility model discloses that the outer surface of the arc plate is provided with scale line, and the volume of bubble is convenient to measure.

[0024] 7. The utility model discloses that the chord length of the arc main body of the measuring cup is greater than or equal to the width of the floatation tank, and it is favorable to the bubble to flow into the measuring cup smoothly.

[0025] 8. The utility model discloses that the side of the fixed plate and the moving plate is provided with sealing pad, and the sealing property between the moving plate and the fixed plate is increased. DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor for the ordinary skilled in the art.

[0027] Figure 1 It is the structural schematic diagram of the utility model.

[0028] Figure 2 It is the front view structural schematic diagram of the utility model.

[0029] Figure 3 for Figure 2 A-A cross-sectional structure schematic view in.

[0030] Reference signs: 11, measuring cup; 111, handle; 112, arc plate; 113, moving plate; 114, fixed plate; 115, sliding groove; 12, lifting adjusting support; 121, clamping groove; 122, panel; 123, support frame; 124, base; 2, flotation tank, 21, main scraper; 22, main scraper rotating rod; 23, stirring shaft; 24, buffer plate; 3, auxiliary scraper assembly; 31, scraper shaft; 32, auxiliary scraper; 33, rotating handle. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] As Figures 1-3 shown, the flotation bubble measuring device according to the embodiment 1 of the present application comprises a flotation tank 2 and a liftable and adjustable measuring component, and the flotation tank 2 is provided with a stirring shaft 23. The outlet of the flotation tank 2 is communicated with the mouth portion of the measuring component, and the flotation tank 2 is provided with a scraper mechanism for scraping the bubbles in the flotation tank 2 into the cavity of the measuring component. The mouth portion of the measuring component is provided with a moving plate 113 with a height that is adjustable, and the upper end of the moving plate 113 is connected with the outlet of the flotation tank 2. The height between the upper end of the moving plate 113 and the bottom of the cavity of the measuring component is adjusted by adjusting the height of the moving plate 113 relative to the measuring component, so as to adjust the falling height of the bubbles, reduce the breaking of the bubbles caused by the rapid falling of the bubbles from the inlet of the measuring cup to the bottom, and avoid the problem that the bubbles cannot be measured completely and accurately.

[0033] Further, as Figure 1 and Figure 2As shown, the measuring component includes a measuring cup 11 and a lifting adjusting support 12 for supporting the measuring cup 11. The amount of generated bubbles can be accurately measured by the measuring cup. The height of the measuring cup 11 can be adjusted as a whole by the lifting adjusting support 12, so that the measuring cup 11 can be stably supported and the upper end of the moving plate 113 can be always connected with the outlet of the floatation tank 2 when the height of the moving plate 113 is adjusted relative to the measuring cup 11. In this case, the upper end of the moving plate 113 can be connected with the outlet of the floatation tank 2, and the height of the measuring cup 11 can be adjusted by the lifting adjusting support 12 at the same time, and the height of the moving plate 113 relative to the measuring cup 11 can be adjusted at the same time.

[0034] In addition, the outer side of the measuring cup is provided with a handle 111.

[0035] Example 2, which is different from example 1, is as follows: Figure 1 As shown, the measuring cup 11 includes an arc-shaped vertical plate 112 surrounding the cavity, the opening of the arc-shaped vertical plate 112 is arranged close to the floatation tank 2, the lower part of the opening of the arc-shaped vertical plate 112 is fixedly connected with a fixed plate 114, part of the moving plate 113 is overlapped with the fixed plate 114 and is in sliding fit, and the other part is above the fixed plate 114, and the moving plate 113 and the fixed plate 114 are in sealing fit. By the sliding fit of the moving plate 113 and the fixed plate 114, the height between the upper end of the moving plate 113 and the bottom of the cavity of the measuring component is adjusted, so that the falling height of the bubbles is adjusted. In addition, the outer surface of the arc-shaped vertical plate is provided with scale lines for measuring the height of the bubbles, which is convenient for measuring the volume of the bubbles. In order to facilitate the movement of the measuring cup, a handle is arranged on the side of the measuring cup facing the staff, and the handle is fixedly connected with the measuring cup. In this embodiment, the cross section of the arc-shaped vertical plate is an arc greater than a semicircle, and the chord length of the arc is greater than or equal to the width of the floatation tank, which is beneficial to the inflow of the bubbles into the measuring cup.

[0036] Further, as shown in Figure 3 The fixed plate 114 is provided with an embedded groove with an open upper end, and the moving plate 113 is embedded in the embedded groove of the fixed plate 114 and can slide up and down in the embedded groove.

[0037] Further, as shown in Figure 1 and Figure 3 The two sides of the opening of the arc-shaped vertical plate 112 are provided with sliding grooves 115 in sliding fit with the moving plate 113, and the moving plate 113 is in sealing fit with the sliding grooves 115.

[0038] In this embodiment, the opening of the arc-shaped vertical plate 112 is provided with a U-shaped fixing plate member, the two sides of the fixing plate member are fixedly connected with the two sides of the opening of the arc-shaped vertical plate 112, and the middle lower part of the fixing plate member is provided with the fixing plate 114. The two sides of the fixing plate member are provided with the sliding groove 115, and the sliding groove 115 is aligned with and communicates with the embedding groove. The moving plate 113 simultaneously slides in the embedding groove and the sliding groove 115.

[0039] Further, a sealing gasket is arranged between the moving plate 113 and the fixing plate 114 and / or between the moving plate 113 and the sliding groove 115. In this embodiment, in order to increase the sealing between the moving plate and the fixing plate, reduce the entry of bubbles between the fixing plate and the moving plate, and reduce the entry of bubbles into the sliding groove, a sealing gasket is arranged on the side of the fixing plate in contact with the moving plate, and the sealing gasket is bonded with the fixing plate. In addition, a sealing gasket is arranged on the side of the sliding groove in contact with the moving plate, and the sealing gasket is bonded with the side of the sliding groove.

[0040] Embodiment 3, which is different from Embodiment 2, is as shown in Figure 1 and Figure 2 The outlet of the flotation tank 2 is provided with an inclined plate with an upper end inclined to the measuring member, and the upper end of the inclined plate is connected with a downwardly inclined buffer plate 24, that is, the upper end of the inclined buffer plate 24 is connected with the upper end of the inclined plate, and the lower end of the buffer plate 24 is directed to the measuring cup 11. In this embodiment, the lower end of the buffer plate 24 extends into the measuring cup 11, and the lower part of the buffer plate 24 is connected with the upper end of the moving plate 113. In addition, the outlet of the flotation tank 2 is also provided with a side edge connected with the inclined plate and the buffer plate 24, and the outer end of the side edge extends into the measuring cup 11 together with the lower part of the buffer plate 24.

[0041] Embodiment 4, which is different from Embodiment 1, is as shown in Figure 1 and Figure 3 The scraper mechanism includes a main scraper 21 arranged in the front part of the flotation tank 2 close to the outlet and an auxiliary scraper assembly 3 arranged in the rear part of the flotation tank 2, that is, the main scraper 21 is arranged on the front side of the stirring shaft 23, and the auxiliary scraper assembly 3 is arranged on the rear side of the stirring shaft 23. The main scraper 21 is the existing structure of the flotation tank 2 in the prior art, as shown in Figure 1 and Figure 3 that is, a support plate supporting the main scraper 21 is arranged on the side of the frame of the flotation tank 2, the front end of the support plate protrudes above the flotation tank 2, the main scraper 21 is rotatably connected to the front end of the support plate through a main scraper rotating rod 22, the frame of the flotation tank 2 is provided with a motor and a driving pulley arranged on the output shaft of the motor, the outer end of the main scraper rotating rod 22 is provided with a driven pulley, the driven pulley is connected with the driving pulley through a transmission belt, and the rotation of the main scraper 21 is driven by the motor.

[0042] Further, as shown in Figure 1 and Figure 3As shown, the auxiliary scraper assembly 3 comprises a scraper shaft 31 rotatably arranged in the flotation tank 2 and a plurality of auxiliary scrapers 32 arranged on the scraper shaft 31. The scraper shaft is rotatably connected to two sides of the flotation tank, and the auxiliary scrapers are bonded to the scraper shaft. In this embodiment, the auxiliary scraper is a trapezoidal blade, which has small impact force and is convenient to reduce the damage to the bubbles. The trapezoidal blade is provided with a plurality of trapezoidal blades which are distributed on the scraper shaft at intervals.

[0043] Further, one end of the scraper shaft 31 penetrating out of the flotation tank 2 is connected with a rotating handle 33, which is convenient for the operator to operate.

[0044] When the flowability of the bubbles is small and the bubbles on the rear side of the stirring shaft 23 stay for a long time, the rotating handle 33 is rotated to drive the scraper shaft and make the auxiliary scraper rotate, so as to push the bubbles on the rear side of the stirring shaft forward. The auxiliary scraper cooperates with the main scraper to scrape the bubbles in the flotation tank into the measuring cup, which is convenient to accurately measure the amount of generated bubbles.

[0045] Example 5, which is different from example 1, as shown in Figure 1 and Figure 3 As shown, the lifting adjusting support 12 is a manual lifting platform in the prior art, which comprises a base 124 and a shearing type lifting platform arranged on the base 124. The panel 122 of the shearing type lifting platform is used to place the measuring cup 11.

[0046] Example 6, which is different from example 5, as shown in Figure 1 As shown, the panel 122 is provided with a clamping groove 121 for limiting the measuring cup 11. The shape of the clamping groove 121 corresponds to the bottom of the measuring cup, which is convenient to fix the measuring cup and reduce the bubble rupture caused by the movement of the measuring cup.

[0047] Example 7, which is different from example 5, the panel 122 is provided with a weighing display, which can display the weight of the measuring cup in real time, which is convenient to analyze the weight of the bubbles in different time periods.

[0048] The implementation principle of the embodiment of the application is as follows: when the bubble volume and mass of the flotation process need to be measured, the measuring cup 11 is placed in the clamping groove 121 on the face plate 122, the height of the support assembly 12 is adjusted, and the moving plate is slid from the fixed plate along the sliding groove 115 to the required position. The rotating handle 33 is rotated, the auxiliary scraper 32 is rotated by driving the scraper shaft 31 through the rotating handle 33, the bubbles at the rear side of the stirring shaft 23 are pushed forward, the auxiliary scraper 32 cooperates with the main scraper 21 to scrape the bubbles in the flotation tank 2 into the measuring cup 11, the height of the bubbles is read from the outside scale line of the measuring cup 11, and the weight of the bubbles is read from the face plate 122. When the height of the bubbles in the measuring cup 11 increases and the capacity of the measuring cup 11 needs to be expanded, the height of the support assembly 12 is lowered, and the length of the moving plate sliding out of the fixed plate is increased. In the embodiment, the upper end of the moving plate is in contact with but not connected to the buffer plate 24 at the opening of the flotation tank 2, a handle is arranged on the outside of the moving plate 113 for adjusting the height of the moving plate 113, the upper end of the adjusted moving plate 113 is always in contact with the lower part of the buffer plate 24, the inflow of the bubbles is facilitated, and a locking hole is arranged on the bottom of the sliding groove 115 or the outside of the fixed plate 114 for penetrating a bolt to lock the moving plate 113 after the relative height is adjusted. In another embodiment, the upper end of the moving plate is connected to the buffer plate 24 at the opening of the flotation tank 2, the height of the moving plate is adjusted by sliding the moving plate in the sliding groove through adjusting the height of the support assembly 12, the height of the upper end of the moving plate from the bottom of the measuring cup is adjusted, and the capacity of the measuring cup is adjusted.

[0049] The above merely describes the preferred embodiments of the application and is not intended to limit the application. Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that, within the spirit and principle of the application, the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be replaced with equivalent replacements, and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the application, and should be included in the protection scope of the application.

Claims

1. A flotation bubble measurement device, characterized in that, The measuring part comprises a floatation tank (2) and a lifting-adjustable measuring part, the floatation tank (2) is communicated with the mouth of the measuring part, and a scraper mechanism is arranged in the floatation tank (2) for scraping the bubbles in the floatation tank (2) into the cavity of the measuring part; the mouth of the measuring part is provided with a movable plate (113) with a height adjustable for adjusting the height between the upper end of the movable plate (113) and the bottom of the cavity of the measuring part, and the upper end of the movable plate (113) is connected with the outlet of the floatation tank (2); the measuring part comprises a measuring cup (11) and a lifting-adjustable support (12) for supporting the measuring cup (11); the measuring cup (11) comprises an arc-shaped vertical plate (112) surrounding the cavity, the opening of the arc-shaped vertical plate (112) is arranged close to the floatation tank (2), the opening of the arc-shaped vertical plate (112) is provided with a fixed plate (114) in sliding cooperation with the movable plate (113), and the movable plate (113) is in sealing cooperation with the fixed plate (114); the scraper mechanism comprises an auxiliary scraper assembly (3) arranged at the rear of the floatation tank (2), the auxiliary scraper assembly (3) comprises a scraper shaft (31) rotatably arranged in the floatation tank (2) and a plurality of auxiliary scrapers (32) arranged on the scraper shaft (31).

2. The floating gas bubble measurement device of claim 1, wherein, The fixed plate (114) is provided with an embedded groove with an open upper end, and the movable plate (113) is embedded in the embedded groove of the fixed plate (114).

3. The floating gas bubble measurement device of claim 2, wherein, The opening of the arc-shaped vertical plate (112) is provided with a sliding groove (115) in sliding cooperation with the movable plate (113) on both sides, and the movable plate (113) is in sealing cooperation with the sliding groove (115).

4. The floating gas bubble measurement device of claim 3, wherein, A sealing gasket is arranged between the movable plate (113) and the fixed plate (114) and / or between the movable plate (113) and the sliding groove (115).

5. The floating gas bubble measurement device according to any one of claims 1 to 4, characterized in that, The outlet of the floatation tank (2) is provided with an inclined plate with an upper end inclined towards the measuring part, the upper end of the inclined plate is connected with a downwardly inclined buffer plate (24), and the lower part of the buffer plate (24) is connected with the upper end of the movable plate (113).

6. The floating gas bubble measurement device of claim 5, wherein, The end of the scraper shaft (31) penetrating out of the floatation tank (2) is connected with a rotating handle (33).

7. The floating gas bubble measurement device according to any one of claims 1 to 4 and 6, characterized in that, The lifting-adjustable support (12) is a manual lifting platform, and the manual lifting platform is provided with a clamping groove (121) for limiting the measuring cup (11).

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