Self-suction flotation machine

Abstract

The utility model relates to the technical field of preparation equipment, and discloses a self-suction flotation machine which comprises a barrel, an exhaust assembly used for conveying gas is arranged on the wall face of a stirring shaft, the exhaust assembly comprises a sliding pipe, a limiting pipe, a first gas conveying hole and a second gas conveying hole, the limiting pipe is connected with the stirring shaft and can rotate along with the stirring shaft, and the first gas conveying hole is communicated with the first gas conveying hole. The sliding pipe is elastically connected with the limiting pipe and can slide along the limiting pipe, a plurality of first air conveying holes are formed in the wall face of the sliding pipe, a plurality of second air conveying holes are formed in the wall face of the limiting pipe, when air supply is stopped, the sliding pipe is reset under the pulling action of the elastic piece, the limiting pipe is located in the abdomen of the sliding pipe, and the limiting pipe is sealed through the reset sliding pipe. Ore pulp can be prevented from entering the limiting pipe to block the second air conveying hole and the first air conveying hole, the situation that the second air conveying hole is blocked by the ore pulp and cannot supply air in the next use process is prevented, and the characteristics of stable use and good air blowing effect are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ore dressing equipment, in particular to a self-priming flotation machine. Background Art

[0002] The prior art discloses a self-priming flotation machine (CN202311208713.2). A stirring device and a self-priming device are arranged in the cylinder, the stirring device includes a stirring impeller and a stirring shaft, the stirring impeller is fixedly arranged at one end of the stirring shaft, the stirring shaft drives the stirring impeller to rotate under the drive of the driving mechanism to complete the stirring of the slurry in the cylinder, the stirring impeller includes a plurality of symmetrically arranged annular blades, the cavity of the annular blades is arranged at an angle to the rotating surface, and the self-priming device is arranged on the stirring shaft;

[0003] The prior art forms bubbles around a pipe with holes by pumping air into the pipe, and the pipe with holes is in an open state. When the pumping stops, the slurry will enter the pipe from the holes. As flotation ends, the residual slurry in the pipe may condense and block the holes, preventing the gas from flowing and affecting the flotation effect.

[0004] To this end, we propose a self-priming flotation machine. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a self-priming flotation machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-priming flotation machine, comprising a cylinder, which forms a sealed cylindrical structure; a stirring shaft rotatably connected to the inside of the cylinder, a motor for driving the stirring shaft to rotate is fixedly installed on the top surface of the cylinder, and an exhaust assembly for conveying gas is provided on the wall of the stirring shaft, and the exhaust assembly comprises a sliding pipe, a limiting pipe, a first gas delivery hole and a second gas delivery hole, the limiting pipe is connected to the stirring shaft and can rotate with the stirring shaft, the sliding pipe is elastically connected to the limiting pipe and can slide along the limiting pipe, a plurality of first gas delivery holes are provided on the wall of the sliding pipe, a plurality of second gas delivery holes are provided on the wall of the limiting pipe, the sliding pipe and the limiting pipe jointly blow air into the ore liquid in the cylinder, and a connecting structure for supplying air to the limiting pipe is provided inside the cylinder.

[0007] As a preferred embodiment of the utility model, the limiting tube and the sliding tube are both tubular structures, the sliding tube sleeve is arranged outside the limiting tube, the outer diameter of the limiting tube is equal to the inner diameter of the sliding tube, and a sealing ring is provided on the inner wall surface of the sliding tube.

[0008] As a preferred embodiment of the present invention, an end portion of the sliding tube away from the limiting tube is fixedly connected with an end plate, and the end plate seals the port of the sliding tube.

[0009] As a preferred embodiment of the present invention, a plurality of first gas delivery holes are linearly arranged on the circumferential surface of the first gas delivery hole along the radial direction, a plurality of second gas delivery holes are linearly distributed on the circumferential surface of the limiting tube, and the first gas delivery holes and the second gas delivery holes are staggered.

[0010] As a preferred embodiment of the utility model, the connection structure includes a connecting pipe, an upper sealing body and a lower sealing body, the upper sealing body is rotatably connected to the upper end of the connecting pipe, the lower sealing body is fixedly connected to the lower end of the connecting pipe, the upper sealing body and the lower sealing body are hollow inside, the connecting pipe connects the chambers of the upper sealing body and the lower sealing body, and the limiting tube is fixedly installed on the wall surface of the lower sealing body and connected to the chamber of the lower sealing body.

[0011] As a preferred embodiment of the utility model, the upper sealing body and the lower sealing body are both circular plate structures, the connecting pipe passes through the upper end surface of the lower sealing body and extends into the lower sealing body cavity, the connecting pipe passes through the entire upper sealing body, the stirring shaft sleeve is arranged in the connecting pipe, the wall surface of the upper sealing body is fixedly connected to another extension pipe, the extension pipe passes through the top surface of the cylinder and extends to the outside, and the upper sealing body is fixedly installed on the top surface of the cylinder.

[0012] As a preferred embodiment of the utility model, a through hole is provided on the wall of the connecting pipe located in the cavity of the upper sealing body, and the gas sent into the cavity of the upper sealing body by the extension pipe is sent into the cavity of the connecting pipe.

[0013] Beneficial Effects

[0014] The utility model provides a self-priming flotation machine. It has the following beneficial effects:

[0015] 1. A self-priming flotation machine, in which the sliding tube is pushed by gas to slide and stretch the tension spring, and the gas entering the sliding tube is discharged from each first gas delivery hole on the wall of the sliding tube, and after the sliding tube slides to the side of the limit tube, the gas in the limit tube is discharged from each second gas delivery hole, and two groups of first gas delivery holes are symmetrically provided on the wall of the sliding tube, so that the slurry in the cylinder body surges to form flotation, and when the gas supply stops, the sliding tube is reset under the pulling action of the elastic member, and the limit tube is located in the belly of the sliding tube. The reset sliding tube seals the limit tube, which can inhibit the slurry from entering the limit tube to block the second gas delivery hole and the first gas delivery hole, and prevent the second gas delivery hole from being blocked by the slurry and unable to supply gas when used next time. The machine has the characteristics of stable use and good blowing effect.

[0016] 2. This self-priming flotation machine connects an extension pipe with a booster pump, and gas is sent into the upper sealing body cavity through the extension pipe. The gas enters the connecting pipe cavity from the through hole on the wall of the connecting pipe and is transported to the lower sealing body chamber, thereby achieving the purpose of sending gas to the limiting pipe. The lower end surface of the stirring shaft is fixedly connected to the inner bottom surface of the lower sealing body, and the outer wall surface of the lower sealing body is symmetrically fixedly connected with two paddles. The lower sealing body and the connecting pipe are driven to rotate by the stirring shaft, and the inner ring of the upper sealing body is provided with a sealing ring. Even if the connecting pipe rotates relative to the upper sealing body, sealing can be achieved, and the relative movement of the stirring shaft will not be interfered with and the sealing effect is guaranteed. Through the circumferential rotation of the lower sealing body, aeration is achieved in the process of stirring the slurry by the limiting pipe and the paddle, thereby improving the flotation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall stereogram of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the internal structure of the cylinder of the utility model;

[0019] Figure 3 This is a stereoscopic diagram of the sliding tube and the limiting tube of the utility model;

[0020] Figure 4 This is the assembly diagram of the sliding tube and the limiting tube of the utility model;

[0021] Figure 5 This is a cross-sectional view of the connection structure of the utility model.

[0022] Legend: 10, cylinder; 11, stirring shaft; 20, sliding tube; 21, limiting tube; 22, first air supply hole; 23, second air supply hole; 30, connecting pipeline; 31, upper sealing body; 32, lower sealing body. DETAILED DESCRIPTION

[0023] A self-priming flotation machine, such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, it includes a cylinder 10, which forms a sealed cylindrical structure; a stirring shaft 11 is rotatably connected to the inside of the cylinder 10, and a motor for driving the stirring shaft 11 to rotate is fixedly installed on the top surface of the cylinder 10. The wall surface of the stirring shaft 11 is provided with an exhaust assembly for conveying gas, and the exhaust assembly includes a sliding pipe 20, a limiting pipe 21, a first gas delivery hole 22 and a second gas delivery hole 23. The limiting pipe 21 is connected to the stirring shaft 11 and can rotate with the stirring shaft 11. The sliding pipe 20 is elastically connected to the limiting pipe 21 and can slide along the limiting pipe 21. The wall surface of the sliding pipe 20 is provided with a plurality of first gas delivery holes 22, the wall surface of the limiting pipe 21 is provided with a plurality of second gas delivery holes 23, and the sliding pipe 20 and the limiting pipe are provided with a plurality of second gas delivery holes 23. 21 blows air to the mineral liquid in the cylinder 10 together, and a connecting structure for supplying air to the limiting tube 21 is provided inside the cylinder 10. The limiting tube 21 and the sliding tube 20 are both tubular structures. The sliding tube 20 is sleeved on the outside of the limiting tube 21. The outer diameter of the limiting tube 21 is equal to the inner diameter of the sliding tube 20. A sealing ring is provided on the inner wall of the sliding tube 20. The end of the sliding tube 20 away from the limiting tube 21 is fixedly connected to an end plate, and the end plate seals the port of the sliding tube 20. The circumferential surface of the first gas delivery hole 22 is linearly provided with a plurality of first gas delivery holes 22 along the radial direction, and the circumferential surface of the limiting tube 21 is linearly distributed with a plurality of second gas delivery holes 23, and the first gas delivery holes 22 and the second gas delivery holes 23 are staggered. Specifically, by increasing The pressurized gas is sent into the cavity of the limit tube 21, and the gas pushes the sliding tube 20 to slide along the limit tube 21. The inner end surface of the sliding tube 20 is fixedly connected with an elastic member, and the elastic member includes a spring but is not limited to a spring. In this scheme, a tension spring is taken as an example. The sliding tube 20 is pushed by the gas to slide and stretch the tension spring. The gas entering the sliding tube 20 is discharged from each first gas delivery hole 22 on the wall of the sliding tube 20. After the sliding tube 20 slides to the side of the limit tube 21, the gas in the limit tube 21 is discharged from each second gas delivery hole 23. The wall surface of the sliding tube 20 is symmetrically provided with two groups of first gas delivery holes 22, and the wall surface of the limit tube 21 is symmetrically provided with two groups of second gas delivery holes 23. An adjacent group of first gas delivery holes 22 and a second gas delivery hole 23 are arranged side by side. The included angle of 23 is ninety degrees, so that the limiting tube 21 and the sliding tube 20 can realize air supply in four directions of up, down, left and right, so that the slurry in the cylinder 10 surges to form flotation. When the air supply stops, the sliding tube 20 is reset under the pulling action of the elastic member, and the limiting tube 21 is located in the belly of the sliding tube 20. The first air delivery hole 22 and the second air delivery hole 23 distributed in a staggered manner make the sliding tube 20 not connected with the limiting tube 21. The limiting tube 21 is sealed by the reset sliding tube 20, which can inhibit the slurry from entering the limiting tube 21 and blocking the second air delivery hole 23 and the first air delivery hole 22, so as to prevent the second air delivery hole 23 from being blocked by the slurry and failing to supply air when used next time. The limiting tube 21 has the characteristics of stable use and good blowing effect.

[0024] like Figure 2 and Figure 5As shown, the connection structure includes a connecting pipe 30, an upper sealing body 31 and a lower sealing body 32. The upper sealing body 31 is rotatably connected to the upper end of the connecting pipe 30, and the lower sealing body 32 is fixedly connected to the lower end of the connecting pipe 30. The upper sealing body 31 and the lower sealing body 32 are hollow inside. The connecting pipe 30 connects the chambers of the upper sealing body 31 and the lower sealing body 32. The limiting pipe 21 is fixedly installed on the wall surface of the lower sealing body 32 and is connected to the chamber of the lower sealing body 32. The upper sealing body 31 and the lower sealing body 32 are both circular plate structures. The connecting pipe 30 passes through the upper end surface of the lower sealing body 32 and extends into the cavity of the lower sealing body 32. The connecting pipe 30 passes through the entire upper sealing body 31. The stirring shaft 11 is sleeved in the connecting pipe 30. The wall surface of the upper sealing body 31 is fixedly connected to another extension pipe. The extension pipe passes through the top surface of the cylinder 10 and extends to the outside. The upper sealing body 31 is fixedly installed on the inner top surface of the cylinder 10. The connecting pipe 30 is located on the wall surface of the cavity of the upper sealing body 31 A through hole is opened, and the gas sent into the cavity of the upper sealing body 31 by the extension pipe is sent into the cavity of the connecting pipe 30 together. In this scheme, by connecting the extension pipe with the booster pump, the gas is sent into the cavity of the upper sealing body 31 through the extension pipe, and the gas enters the cavity of the connecting pipe 30 from the through hole on the wall of the connecting pipe 30 and is transported to the cavity of the lower sealing body 32, thereby achieving the purpose of supplying gas to the limiting pipe 21. The lower end surface of the stirring shaft 11 is fixedly connected to the inner bottom surface of the lower sealing body 32, and the outer wall surface of the lower sealing body 32 is also symmetrically fixedly connected with two paddles. The stirring shaft 11 drives the lower sealing body 32 and the connecting pipe 30 to rotate, and the inner ring of the upper sealing body 31 is provided with a sealing ring. Even if the connecting pipe 30 rotates relative to the upper sealing body 31, sealing can be achieved, which will not interfere with the relative movement of the stirring shaft 11 and ensure the sealing effect. Through the circumferential rotation of the lower sealing body 32, aeration is achieved in the process of stirring the slurry by the limiting pipe 21 and the paddle, thereby improving the flotation effect.

[0025] The working principle of the utility model is as follows: the extension pipe is connected to the booster pump, the gas is sent into the cavity of the upper sealing body 31 through the extension pipe, the gas enters the cavity of the connecting pipe 30 from the through hole on the wall of the connecting pipe 30 and is transported to the cavity of the lower sealing body 32, the lower end surface of the stirring shaft 11 is fixedly connected to the inner bottom surface of the lower sealing body 32, and the outer wall surface of the lower sealing body 32 is also symmetrically fixedly connected with two paddles, the stirring shaft 11 drives the lower sealing body 32 and the connecting pipe 30 to rotate, stirring the slurry while sending air for flotation;

[0026] The gas enters the limiting tube 21, and the gas pushes the sliding tube 20 to slide and stretch the tension spring. The gas entering the sliding tube 20 is discharged from the first gas delivery holes 22 on the wall of the sliding tube 20. After the sliding tube 20 slides to the side of the limiting tube 21, the gas in the limiting tube 21 is discharged from the second gas delivery holes 23. When the gas supply stops, the sliding tube 20 is reset under the pulling action of the elastic member, and the limiting tube 21 is located in the belly of the sliding tube 20. The reset sliding tube 20 seals the limiting tube 21 to inhibit the entry of slurry.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A self-priming flotation machine, comprising a cylinder (10), the cylinder (10) forming a sealed cylindrical structure; a stirring shaft (11) rotatably connected to the inside of the cylinder (10), and a motor for driving the stirring shaft (11) to rotate is fixedly mounted on the top surface of the cylinder (10), characterized in that: The wall surface of the stirring shaft (11) is provided with an exhaust assembly for conveying gas, and the exhaust assembly comprises a sliding tube (20), a limiting tube (21), a first gas delivery hole (22) and a second gas delivery hole (23). The limiting tube (21) is connected to the stirring shaft (11) and can rotate along with the stirring shaft (11). The sliding tube (20) is elastically connected to the limiting tube (21) and can slide along the limiting tube (21). The wall surface of the sliding tube (20) is provided with a plurality of first gas delivery holes (22), and the wall surface of the limiting tube (21) is provided with a plurality of second gas delivery holes (23). The sliding tube (20) and the limiting tube (21) together blow gas into the ore liquid in the cylinder (10), and a connecting structure for supplying gas to the limiting tube (21) is provided inside the cylinder (10).

2. The self-priming flotation machine according to claim 1, characterized in that: The limiting tube (21) and the sliding tube (20) are both tubular structures. The sliding tube (20) is sleeved on the outside of the limiting tube (21). The outer diameter of the limiting tube (21) is equal to the inner diameter of the sliding tube (20). A sealing ring is provided on the inner wall surface of the sliding tube (20).

3. The self-priming flotation machine according to claim 1, characterized in that: An end plate is fixedly connected to the end of the sliding tube (20) away from the limiting tube (21), and the end plate seals the end of the sliding tube (20).

4. The self-priming flotation machine according to claim 1, characterized in that: The circumferential surface of the first gas delivery hole (22) is provided with a plurality of first gas delivery holes (22) linearly along the radial direction, and the circumferential surface of the limiting tube (21) is provided with a plurality of second gas delivery holes (23) distributed linearly, and the first gas delivery holes (22) and the second gas delivery holes (23) are distributed in a staggered manner.

5. The self-priming flotation machine according to claim 1, characterized in that: The connection structure comprises a connection pipe (30), an upper sealing body (31) and a lower sealing body (32); the upper sealing body (31) is rotatably connected to the upper end of the connection pipe (30); the lower sealing body (32) is fixedly connected to the lower end of the connection pipe (30); the upper sealing body (31) and the lower sealing body (32) are hollow inside; the connection pipe (30) connects the chambers of the upper sealing body (31) and the lower sealing body (32); and the limit tube (21) is fixedly mounted on the wall surface of the lower sealing body (32) and is connected to the chamber of the lower sealing body (32).

6. The self-priming flotation machine according to claim 5, characterized in that: The upper sealing body (31) and the lower sealing body (32) are both circular plate structures. The connecting pipe (30) passes through the upper end surface of the lower sealing body (32) and extends into the cavity of the lower sealing body (32). The connecting pipe (30) passes through the entire upper sealing body (31). The stirring shaft (11) is sleeved in the connecting pipe (30). The wall surface of the upper sealing body (31) is fixedly connected to another extension pipe. The extension pipe passes through the top surface of the cylinder (10) and extends to the outside. The upper sealing body (31) is fixedly installed on the inner top surface of the cylinder (10).

7. The self-priming flotation machine according to claim 5, characterized in that: The wall surface of the connecting pipe (30) located in the cavity of the upper sealing body (31) is provided with a through hole, and the gas sent into the cavity of the upper sealing body (31) through the extension pipe is sent into the cavity of the connecting pipe (30) through the through hole.

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