Efficient powder concentrator

Abstract

The utility model relates to the technical field of powder selecting devices, and discloses an efficient powder selecting machine which comprises a screening cylinder, a feeding pipe, an air inlet pipe, a cage-shaped rotor, a first discharging port and a second discharging port, a rotating shaft is arranged in the screening cylinder, the bottom of the screening cylinder is fixedly connected with the cage-shaped rotor, the bottom of the screening cylinder is of a funnel-shaped structure, the first discharging port is formed in the bottom of the screening cylinder, and the second discharging port is formed in the bottom of the screening cylinder. A plurality of material distributing plates are arranged on the rotating shaft, a material collecting plate is arranged between every two adjacent material distributing plates, each material distributing plate is of an umbrella-shaped structure, each material collecting plate is of a funnel-shaped structure, and the feeding pipe is arranged above the material distributing plate at the topmost end; a collecting hopper is arranged below the cage-shaped rotor, and the second discharging opening is formed in the bottom of the collecting hopper. The material distributing plate rotates to drive mineral aggregate to be repeatedly thrown out, impacted and dispersed, the powder screening rate is improved, waste is reduced, and the feeding pipe cannot be blocked; and the collecting hopper is arranged below the cage-shaped rotor, so that the powder can conveniently fall without blocking, and the powder can be conveniently discharged and separated.

Description

Technical Field

[0001] The utility model relates to the technical field of powder selection devices, in particular to a high-efficiency powder selection machine. Background Art

[0002] Powder concentrator is a common screening equipment in mineral screening. It has various structures, such as screening mesh screening, negative pressure wind screening, etc.

[0003] The utility model patent with the publication number of CN213349760U discloses a high-efficiency powder selection machine, which includes a vertically arranged cylinder, a rotor and a distribution disk are arranged inside the cylinder, the distribution disk is located above the rotor, a driving assembly for the rotor and the distribution disk to rotate simultaneously is arranged outside the cylinder, a feed pipe, a discharge pipe, a first air inlet pipe and an air outlet pipe are connected to the cylinder, the discharge end of the feed pipe is located above the distribution disk and is arranged directly opposite to the distribution disk, the discharge pipe is located at the bottom of the cylinder, the first air inlet pipe is located at the lower part of the cylinder, one end of the air outlet pipe penetrates into the cylinder, and one end of the air outlet pipe is located inside the cylinder and covers the distribution disk, a crushing assembly for breaking up materials is fixedly arranged inside the feed pipe, and a distribution assembly for separating materials of different particle sizes by cooperating with the crushing assembly is connected between the feed pipe and the cylinder. The present application has the effect of better dispersing materials of different particle sizes and improving the powder selection efficiency. However, the air outlet duct is arranged above the dividing plate, and the sifted powder needs to go up, pass through the dividing plate and then enter the air outlet duct for discharge. After the material enters the cylinder, it directly falls onto the dividing plate, so that the sifted powder is mixed with the unscreened material, thereby affecting the smooth discharge of the powder. In addition, the crushing component is arranged in a thinner feed pipe, which easily causes the feed pipe to be blocked. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is to overcome the technical defects in the prior art that powder materials cannot be discharged smoothly and the feed pipe is easily blocked, and to provide a high-efficiency powder classifier.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a high-efficiency powder classifier, comprising a screening drum, a feed pipe, an air inlet pipe, a cage rotor and discharge port one and discharge port two. A rotating shaft is provided in the screening drum, and its bottom is fixedly connected to the cage rotor. The bottom of the screening drum is a funnel-shaped structure, and the discharge port one is arranged at the bottom of the funnel. A plurality of dividing plates are provided on the rotating shaft from top to bottom, and a gathering plate is provided between two adjacent dividing plates. The dividing plates are umbrella-shaped structures, and the gathering plates are funnel-shaped structures. The gathering plates are fixed on the inner wall of the screening drum, and the feed pipe is arranged above the topmost dividing plate; the air inlet pipe is arranged toward the cage rotor, and a collecting hopper is provided below the cage rotor, and the discharge port two is arranged at the bottom of the collecting hopper.

[0008] Furthermore, the bottom opening diameter of the gathering plate is smaller than the bottom opening diameter of the dividing plate, and larger than the diameter of the rotating shaft.

[0009] Furthermore, a plurality of material strips are provided on the top surface of the dividing plate, and the material strips are arranged along the busbar of the dividing plate.

[0010] Furthermore, two air inlet pipes are provided, and both are in the tangential direction of the cage rotor.

[0011] Furthermore, the bottom of the collecting hopper is fixed on the side wall of the funnel portion of the screening cylinder, and a negative pressure fan is connected to the outer side of the second discharge port.

[0012] Furthermore, a return trough is provided at the bottom of the discharge port, and a feeding device is connected to the end of the return trough, and the feeding device is used to feed the material to the feed pipe.

[0013] Furthermore, a driving motor and a reducer are provided on the top of the screening drum, the driving motor is connected to the reducer, and the output shaft of the reducer is connected to the top of the rotating shaft.

[0014] 3. Beneficial Effects

[0015] The advantages of the utility model compared with the prior art are:

[0016] 1. After the ore enters the screening cylinder, it falls onto the dividing plate. Under the action of centrifugal force, the ore is thrown out and hits the inner wall of the screening cylinder. Under the action of the gathering plate, it falls onto the next dividing plate and is repeatedly thrown out and hit, thereby breaking up the bonded ore, improving the powder screening rate, reducing waste, and not clogging the feed pipe;

[0017] 2. The collecting hopper is located below the cage rotor, which is convenient for the powder to fall without obstruction and for the discharge and separation of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a high-efficiency powder selecting machine of the utility model.

[0019] Figure 2 It is a schematic diagram of the longitudinal section structure of a high-efficiency powder classifier of the utility model.

[0020] Figure 3 The utility model is a schematic diagram of the internal parts structure of a screening drum of a high-efficiency powder selecting machine.

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of a high-efficiency powder classifier of the utility model.

[0022] As shown in the figure: 1. Screening cylinder; 2. Feed pipe; 3. Air inlet pipe; 4. Cage rotor; 5. Discharge port 1; 6. Discharge port 2; 7. Rotating shaft; 8. Dividing plate; 9. Gathering plate; 10. Collecting hopper; 11. Material strip; 12. Negative pressure fan; 13. Return trough; 14. Loading device; 15. Driving motor; 16. Reducer. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1, in combination with the attached Figure 1 , 3 .

[0027] A high-efficiency powder selection machine comprises a screening drum 1, a feed pipe 2, an air inlet pipe 3, a cage rotor 4 and a first discharge port 5 and a second discharge port 6. A rotating shaft 7 is provided in the screening drum 1, and a bottom of the rotating shaft 7 is fixedly connected to the cage rotor 4. The bottom of the screening drum 1 is a funnel-shaped structure, and the first discharge port 5 is arranged at the bottom of the funnel. A plurality of dividing plates 8 are provided on the rotating shaft 7 from top to bottom, and a gathering plate 9 is provided between two adjacent dividing plates 8. The gathering plate 9 is fixed on the inner wall of the screening drum 1, and the dividing plates 8 are umbrella-shaped structures, and the gathering plate 9 is a funnel-shaped structure. The feed pipe 2 is arranged above the topmost dividing plate 8; the air inlet pipe 3 is arranged toward the cage rotor 4, a collecting hopper 10 is provided below the cage rotor 4, and the second discharge port 6 is arranged at the bottom of the collecting hopper 10.

[0028] The bottom opening diameter of the gathering plate 9 is smaller than the bottom diameter of the dividing plate 8 , and larger than the diameter of the rotating shaft 7 .

[0029] A plurality of material strips 11 are disposed on the top surface of the dividing plate 8 , and the material strips 11 are disposed along the generatrix of the dividing plate 8 .

[0030] After the mineral material enters the screening cylinder 1, it falls on the uppermost dividing plate 8. Under the centrifugal force of the dividing plate 8, the mineral material is thrown out and hits the inner wall of the screening cylinder 1, and then slides along the gathering plate 9 to the next dividing plate 8. The mineral material is repeatedly thrown out and hit, thereby breaking up the bonded mineral material and increasing the amount of powder material, so that more powder material can be screened out, reducing the bonded mineral material and reducing waste.

[0031] The arrangement of the material strip 11 makes it easier for the material distributor plate 8 to carry away and throw out the mineral material.

[0032] Embodiment 2, combined with the attached Figure 4 .

[0033] There are two air inlet pipes 3 , both of which are located in the tangential direction of the cage rotor 4 .

[0034] The two air inlet pipes 3 let air into the screening cylinder, and the air outlet direction is in the tangential direction of the cage rotor 4 and consistent with the rotation direction of the cage rotor 4, so that the powder can be sucked into the cage rotor 4 more easily.

[0035] Embodiment 3, in combination with the attached Figure 1 , 2 .

[0036] The bottom of the collecting hopper 10 is fixed on the side wall of the funnel portion of the screening cylinder 1 , and the outer side of the discharge port 6 is connected to a negative pressure fan 12 .

[0037] The provision of the negative pressure fan 12 can make the powder material be discharged more smoothly and avoid the clogging of the collecting hopper 10 and the discharge port 6.

[0038] Embodiment 4, in conjunction with the accompanying drawings.

[0039] A return trough 13 is provided at the bottom of the discharge port 5 , and a feeding device 14 is connected to the end of the return trough 13 . The feeding device 14 is used to feed materials to the feed pipe 2 .

[0040] The large pieces of ore are sent back to the feeding device 14 through the return trough 13, so that they enter the screening cylinder 1 again together with the subsequent ore and are impact screened again, so that the powder is fully separated and screened out to avoid waste.

[0041] Embodiment 5, in combination with the attached Figure 1 , 2 、3.

[0042] A driving motor 15 and a reducer 16 are provided on the top of the screening drum 1 . The driving motor 15 is connected to the reducer 16 , and an output shaft of the reducer 16 is connected to the top of the rotating shaft 7 .

[0043] The drive motor 15 drives the reducer 16 to work, thereby driving the rotating shaft 7 to rotate, thereby driving the cage rotor 4, and under the action of negative pressure, the powder enters the cage rotor 4.

[0044] During the specific implementation of the utility model, the mineral material enters the screening cylinder 1 from the feed pipe 2 and falls onto the top powder plate 8. Under the centrifugal force of the dividing plate 8, the mineral material is thrown out and hits the inner wall of the screening cylinder 1. Then, it is gathered by the gathering plate 9 and falls onto the next dividing plate 8. The mineral material is repeatedly thrown out and hit to break up the bonded mineral material and separate the mineral powder. Under the rotation of the cage rotor 4 and the air discharge of the air outlet pipe 3, the powder material is sucked into the cage rotor 4 and falls into the collecting hopper 10. Under the action of the negative pressure fan 12, the powder material is sucked away and collected. The large particles of mineral material fall into the discharge port 5 and are sent back to the feeding device 14 through the return trough 13 to enter the screening cylinder 1 again.

[0045] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A high-efficiency powder separator, comprising a screening drum (1), a feed pipe (2), an air inlet pipe (3), a cage rotor (4), and a first discharge port (5), and a second discharge port (6). The screening drum (1) is provided with a rotating shaft (7), the bottom of which is fixedly connected to the cage rotor (4). The bottom of the screening drum (1) is a funnel-shaped structure, and the first discharge port (5) is arranged at the bottom of the funnel. The invention is characterized in that: A plurality of material distribution plates (8) are arranged on the rotating shaft (7) from top to bottom, a material gathering plate (9) is arranged between two adjacent material distribution plates (8), the material distribution plates (8) are umbrella-shaped structures, the material gathering plates (9) are funnel-shaped structures, the material gathering plates (9) are fixed on the inner wall of the screening cylinder (1), and the material feeding pipe (2) is arranged above the topmost material distribution plate (8); The air inlet pipe (3) is arranged toward the cage-shaped rotor (4), a collecting hopper (10) is arranged below the cage-shaped rotor (4), and the second discharge port (6) is arranged at the bottom of the collecting hopper (10).

2. A high-efficiency powder classifier according to claim 1, characterized in that: The diameter of the bottom opening of the gathering plate (9) is smaller than the bottom diameter of the dividing plate (8) and larger than the diameter of the rotating shaft (7).

3. A high-efficiency powder classifier according to claim 2, characterized in that: A plurality of material strips (11) are arranged on the top surface of the dividing plate (8), and the material strips (11) are arranged along the busbar of the dividing plate (8).

4. The high-efficiency powder classifier according to claim 1, characterized in that: Two air inlet pipes (3) are provided, and both are located in the tangential direction of the cage-shaped rotor (4).

5. The high-efficiency powder classifier according to claim 1, characterized in that: The bottom of the collecting hopper (10) is fixed on the side wall of the funnel portion of the screening cylinder (1), and the outer side of the second discharge port (6) is connected to a negative pressure fan (12).

6. A high-efficiency powder classifier according to claim 1, characterized in that: A return trough (13) is provided at the bottom of the first discharge port (5), and a feeding device (14) is connected to the end of the return trough (13), and the feeding device (14) is used to feed materials to the feed pipe (2).

7. The high-efficiency powder classifier according to claim 1, characterized in that: A driving motor (15) and a reducer (16) are provided on the top of the screening drum (1); the driving motor (15) is connected to the reducer (16); and an output shaft of the reducer (16) is connected to the top of the rotating shaft (7).

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