Flotation coal dressing defoaming device

Abstract

The utility model provides a flotation coal dressing defoaming device, which relates to the field of coal dressing defoaming and comprises a gas transmission unit, a scraping unit is arranged at the top of the gas transmission unit, a limiting unit is arranged on one side of the scraping unit, a power unit is arranged on one side of the scraping unit, and a material collecting tank is arranged on one side of the gas transmission unit. According to the coal slurry defoaming device disclosed by the utility model, the gas transmission unit is used for containing coal slurry which is mixed with water, added with chemicals and stirred, and carrying out gas transmission operation, so that hydrophobic mineral substances float along with bubbles, and the power unit is arranged, so that the gas can be scraped on the gas transmission unit and scraped into the material collecting tank to finish defoaming; the air conveying unit can be matched with the power unit to generate linkage, the push plate can be driven in a reciprocating mode to move along an inner cavity of the first guide rail while the air bubbles are scraped, the air bubbles in other areas are scraped to the power unit, and therefore the power unit can rapidly scrape the large-area air bubbles on the top of the air conveying unit conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of coal preparation and defoaming, in particular to a flotation coal preparation and defoaming device. Background Art

[0002] Flotation coal preparation is a common method of coal preparation. Usually, water and reagents are added to the ground coal using a flotation machine. After the mixture is stirred into coal slurry, air is introduced into the slurry to form a large number of bubbles, which allow the hydrophobic mineral components to float with the foam. After being collected and cleaned, the coal preparation is completed.

[0003] According to the Chinese patent application No.: 202321710501.X, a flotation coal preparation defoaming device is disclosed, including a support plate, a driving motor is arranged on the support plate, a rotating shaft of the driving motor is connected to a crushing impeller through a coupling, the crushing impeller is located below the support plate, a guide cover connected to the support plate is arranged on the outer side of the crushing impeller, a through hole is arranged on the side wall of the guide cover, and an opening is arranged at the bottom end; when working, the crushing impeller rotates to form a negative pressure, and the foam is adsorbed into the guide cover and broken, and thrown out from the through hole; in contrast, it can be reused, which not only avoids the waste of water resources, but also does not cause pollution to the water source, and has low cost and strong practicality;

[0004] The comparative example performed defoaming operation by suction of negative pressure, but compared with the traditional scraper operation, the defoaming area in the flotation tank was lower. Meanwhile, the scrapers in the traditional flotation tank mostly performed defoaming and scraping operations only at the edge of the tank, which was inconvenient to directly scrape the foam in other areas of the tank.

[0005] In summary, the utility model provides a flotation coal separation defoaming device to solve the above problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A flotation coal preparation defoaming device comprises a gas delivery unit, a scraping unit is arranged on the top of the gas delivery unit, a limiting unit is arranged on one side of the scraping unit, a power unit is arranged on one side of the scraping unit, an aggregate pool is arranged on one side of the gas delivery unit, the scraping unit comprises a side plate, there are two side plates, and first guide rails are provided on opposite sides of the two side plates, a movable rod is movably connected to the inner cavity of the first guide rail, and a push plate is fixedly connected between the two movable rods.

[0008] Furthermore, in the utility model, the gas delivery unit includes a material frame, the side panel is fixedly connected to one side of the top of the material frame, an air delivery pump is fixedly connected to one side of the material frame, an air outlet of the air delivery pump is connected to an inner cavity of the material frame, a maintenance frame is fixedly connected to one side of the material frame and located at the top of the air delivery pump, and one side of the collecting pool is fixedly connected to the material frame.

[0009] Furthermore, in the utility model, the limiting unit includes a second guide rail, the number of the second guide rail is two, and they are respectively opened on the opposite side of the two side plates, the second guide rail is located above the first guide rail, the inner cavity of the second guide rail is movably connected with a movable plate, both sides of the top of the push plate are fixedly connected with connecting blocks, the surface of the connecting block is sleeved with a sleeve rod, and the top of the sleeve rod is fixedly connected to the movable plate.

[0010] Furthermore, in the utility model, the power unit includes a mounting frame, the number of the mounting frames is two, and the two mounting frames are respectively fixedly connected to one side of the side plate, and one end of one side of the mounting frame is fixedly connected to the motor.

[0011] Furthermore, in the utility model, the power unit also includes a rotating rod, the output shaft of the motor passes through the mounting frame and is transmission-connected to one end of the rotating rod, the two ends of the rotating rod respectively extend to the inner cavities of the two mounting frames, and the surface of one end of the rotating rod located between the two side plates is fixedly connected to a scraper body.

[0012] Furthermore, in the utility model, the power unit also includes gears, the number of which is four, and they are respectively movably connected to the two sides of the inner cavity of the side plate, the two gears are connected by a chain transmission, and one end of the chain is movably connected to one end of the movable rod by a connecting rod, and the two ends of the rotating rod respectively pass through the two gears and are fixedly connected to the gears.

[0013] Beneficial effects: The utility model has the following beneficial effects:

[0014] The utility model provides an air delivery unit for containing coal slurry after being stirred by mixing water and adding reagents, and performs air delivery operations to allow hydrophobic minerals to float with bubbles. By providing a power unit, the gas can be scraped off on the air delivery unit, and scraped into the aggregate pool to complete defoaming. By providing the scraping unit, a linkage can be generated with the power unit. While scraping the bubbles, the push plate can be reciprocated and moved along the inner cavity of the first guide rail, and bubbles in other areas can be scraped toward the power unit, so that the power unit can quickly scrape off bubbles in a large area on the top of the air delivery unit, thereby improving the defoaming efficiency. By providing a limit unit, the push plate is prevented from rotating during the reciprocating motion of the push plate and the displacement of the first guide rail, thereby improving the stability of the scraping unit in pushing the bubbles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the side panel of the utility model;

[0017] Figure 3 This utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the rotating rod of the utility model.

[0019] In the figure:

[0020] 1. Air delivery unit; 11. Material frame; 12. Air delivery pump; 13. Maintenance frame; 2. Scraping unit; 21. Side plate; 22. First guide rail; 23. Movable rod; 24. Push plate; 3. Limiting unit; 31. Second guide rail; 32. Movable plate; 33. Connecting block; 4. Power unit; 41. Mounting frame; 42. Motor; 43. Gear; 44. Rotating rod; 45. Scraper body; 5. Aggregate tank. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0022] Example 1

[0023] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a flotation coal preparation defoaming device, including a gas delivery unit 1, a scraping unit 2 is arranged on the top of the gas delivery unit 1, a limiting unit 3 is arranged on one side of the scraping unit 2, a power unit 4 is arranged on one side of the scraping unit 2, and an aggregate pool 5 is arranged on one side of the gas delivery unit 1. The scraping unit 2 includes a side plate 21, and the number of the side plates 21 is two, and the first guide rails 22 are opened on the opposite sides of the two side plates 21, and the inner cavity of the first guide rail 22 is movably connected with a movable rod 23, and a push plate 24 is fixedly connected between the two movable rods 23.

[0024] like Figure 1-3 As shown, the gas supply unit 1 is used to supply gas to the coal slurry and generate bubbles. The scraping unit 2 can cooperate with the power unit 4 to reciprocate the displacement of the bubbles on the top of the material frame 11, and further cooperate with the power unit 4 to allow the bubbles and hydrophobic minerals to be scraped off to complete defoaming and coal selection. The limiting unit 3 prevents the scraping unit 2 from rotating during the displacement process, which may cause failure to scrape the bubbles.

[0025] Example 2

[0026] Reference Figure 2-3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0027] In this embodiment, the gas delivery unit 1 includes a material frame 11, a side panel 21 is fixedly connected to one side of the top of the material frame 11, a gas delivery pump 12 is fixedly connected to one side of the material frame 11, the gas outlet end of the gas delivery pump 12 is connected to the inner cavity of the material frame 11, a maintenance frame 13 is fixedly connected to one side of the material frame 11 and located at the top of the gas delivery pump 12, and one side of the collecting pool 5 is fixedly connected to the material frame 11.

[0028] The limiting unit 3 includes a second guide rail 31, the number of which is two, and they are respectively opened on the opposite side of the two side plates 21, the second guide rail 31 is located above the first guide rail 22, the inner cavity of the second guide rail 31 is movably connected with the movable plate 32, and the two sides of the top of the push plate 24 are fixedly connected with connecting blocks 33, the surface of the connecting block 33 is sleeved with a sleeve rod, and the top of the sleeve rod is fixedly connected to the movable plate 32.

[0029] like Figure 2-3 As shown, when the air delivery pump 12 is started, a porous air outlet rack can be added in the material frame 11 to assist in the efficiency of bubble generation. The maintenance rack 13 is convenient for staff to climb and observe the operation of the equipment. The second guide rail 31 limits the displacement of the movable plate 32. The connecting block 33 cooperates with the sleeve rod to use the change in the height of the push plate 24, and then cooperates with the movable plate 32 to prevent the push plate 24 from rotating.

[0030] Example 3

[0031] Reference Figure 3-4 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0032] In this embodiment, the power unit 4 includes two mounting frames 41 , and the two mounting frames 41 are fixedly connected to one side of the side plate 21 , respectively. One end of one mounting frame 41 is fixedly connected to the motor 42 .

[0033] The power unit 4 also includes a rotating rod 44. The output shaft of the motor 42 passes through the mounting frame 41 and is transmission-connected to one end of the rotating rod 44. Both ends of the rotating rod 44 extend to the inner cavities of the two mounting frames 41 respectively. The surface of one end of the rotating rod 44 located between the two side plates 21 is fixedly connected with a scraper body 45.

[0034] The power unit 4 also includes gears 43, there are four gears 43, and they are movably connected to the two sides of the inner cavity of the side plate 21 respectively. The two gears 43 are connected by a chain transmission, and one end of the chain is movably connected to one end of the movable rod 23 through a connecting rod. The two ends of the rotating rod 44 respectively pass through the two gears 43 and are fixedly connected to the gears 43.

[0035] like Figure 3-4 As shown, the start of the motor 42 can drive the rotating rod 44 and the scraper body 45 to rotate and scrape the bubbles, and at the same time cooperate with the gear 43 to drive the movable rod 23 and the push plate 24 to move, achieving the effect of linkage operation, thereby improving the defoaming efficiency of a larger area on the top of the material frame 11.

[0036] When in use, first pour the coal slurry that has been mixed with water and added with agents into the inner cavity of the material frame 11, start the air pump 12 through the external controller, inject air into the coal slurry to generate bubbles, and let the hydrophobic minerals float with the bubbles, then start the motor 42, the output shaft of the motor 42 drives the rotating rod 44 and the scraper body 45 to rotate, and let the scraper body 45 continuously scrape the bubbles on the top of the material frame 11 to the inner cavity of the collection pool 5, and at the same time, the rotation of the rotating rod 44 drives the two gears 43 to rotate, and the chain drives the gear 43 on the other side to rotate, thereby driving the push plate 24 The movable rod 23 moves along the inner cavity of the first guide rail 22. During the process, when the push plate 24 and the movable rod 23 are located below the first guide rail 22, the bubbles in the remaining space on the top of the material frame 11 will be scraped and pushed to the scraper body 45. As the chain moves, the movable rod 23 and the push plate 24 move to the high point of the first guide rail 22, thereby returning to the initial position and starting to scrape the bubbles again. During the process, the connecting block 33 and the movable plate 32 will also be pulled to move along the inner cavity of the second guide rail 31. At the same time, the connecting block 33 and the sleeve rod sleeved on its surface will stretch and contract to prevent the push plate 24 from rotating.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A flotation coal separation defoaming device, comprising a gas delivery unit (1), characterized in that: A scraping unit (2) is arranged on the top of the gas delivery unit (1), a limiting unit (3) is arranged on one side of the scraping unit (2), a power unit (4) is arranged on one side of the scraping unit (2), a collecting pool (5) is arranged on one side of the gas delivery unit (1), and the scraping unit (2) comprises a side plate (21), the number of the side plates (21) is two, and the two side plates (21) are provided with a first guide rail (22) on opposite sides, the inner cavity of the first guide rail (22) is movably connected to a movable rod (23), and a push plate (24) is fixedly connected between the two movable rods (23).

2. The flotation coal separation defoaming device according to claim 1, characterized in that: The gas delivery unit (1) comprises a material frame (11), the side plate (21) is fixedly connected to one side of the top of the material frame (11), an air delivery pump (12) is fixedly connected to one side of the material frame (11), an air outlet of the air delivery pump (12) is communicated with the inner cavity of the material frame (11), a maintenance frame (13) is fixedly connected to one side of the material frame (11) and located at the top of the air delivery pump (12), and one side of the collecting pool (5) is fixedly connected to the material frame (11).

3. The flotation coal separation defoaming device according to claim 1, characterized in that: The limiting unit (3) comprises a second guide rail (31), the number of the second guide rail (31) is two, and the second guide rails (31) are respectively opened on the opposite side of the two side plates (21), the second guide rail (31) is located above the first guide rail (22), the inner cavity of the second guide rail (31) is movably connected to the movable plate (32), the two sides of the top of the push plate (24) are fixedly connected to the connecting blocks (33), the surface of the connecting block (33) is provided with a sleeve rod, and the top of the sleeve rod is fixedly connected to the movable plate (32).

4. The flotation coal separation defoaming device according to claim 1, characterized in that: The power unit (4) comprises a mounting frame (41), the number of the mounting frames (41) being two, and the two mounting frames (41) being respectively fixedly connected to one side of the side plate (21), and one end of one side of the mounting frame (41) being fixedly connected to a motor (42).

5. The flotation coal separation defoaming device as claimed in claim 4, characterized in that: The power unit (4) further comprises a rotating rod (44), an output shaft of the motor (42) passes through the mounting frame (41) and is drivingly connected to one end of the rotating rod (44), two ends of the rotating rod (44) respectively extend to the inner cavities of the two mounting frames (41), and a scraper body (45) is fixedly connected to the surface of one end of the rotating rod (44) located between the two side plates (21).

6. The flotation coal separation defoaming device according to claim 5, characterized in that: The power unit (4) further comprises gears (43), the number of the gears (43) being four and being movably connected to the two sides of the inner cavity of the side plate (21), the two gears (43) being connected via a chain transmission, and one end of the chain being movably connected to one end of the movable rod (23) via a connecting rod, and the two ends of the rotating rod (44) respectively pass through the two gears (43) and are fixedly connected to the gears (43).

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