CN214766142U

CN214766142U - High-efficient magnetic separation device of quartz powder material

Info

Publication number: CN214766142U
Application number: CN202022738865.1U
Authority: CN
Inventors: 何书辉; 乔秀娟
Original assignee: JIANGSU ZHONGTENG QUARTZ MATERIAL TECHNOLOGY CO LTD
Current assignee: JIANGSU ZHONGTENG QUARTZ MATERIAL TECHNOLOGY CO LTD
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-11-19
Anticipated expiration: 2030-11-24

Abstract

The utility model belongs to the technical field of the quartz sand production, concretely relates to high-efficient magnetic separation device of quartz powder material. The sand box comprises a base, a sand box, a conveyor belt, a roller brush, a collecting hopper, a feed hopper and a sand raising roller; the sand box is fixed on the base; the aggregate bin is fixed on the top of the sand box; the conveying belt contains magnetic substances, at least one section of the conveying belt is obliquely arranged in the sand box, and one end of the conveying belt is positioned in the aggregate bin; the roller brush is arranged in the aggregate bin and used for cleaning the surface of the conveying belt; the sand box bottom is inclined, the sand raising roller is located at the lowest position of the sand box bottom, and the sand raising roller rotates to raise sand to the lower surface of the conveying belt. The utility model has the advantages that the sand grains are fully raised in the magnetic separation process without dead angles, and the conveying belt is arranged obliquely, so that the magnetic separation area is large, and the magnetic separation speed is high and the efficiency is high; with the prolonging of the magnetic separation time, the iron content is gradually reduced, and the lower iron content can be achieved.

Description

High-efficient magnetic separation device of quartz powder material

Technical Field

The utility model belongs to the technical field of the quartz sand production, concretely relates to high-efficient magnetic separation device of quartz powder material.

Background

The high-purity quartz sand is an important basic raw material and plays an irreplaceable supporting role in the rapid development of modern science and technology. The silica sand contains silica as a main component and usually contains other impurities such as iron sesquioxide. In order to obtain high-purity quartz sand, the quartz powder needs to be purified. Among them, iron removal by magnetic separation is one of the more common methods. The contradiction between the magnetic separation speed and the clearance rate is a problem to be overcome by the existing magnetic separation device.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a high-efficient magnetic separation device of quartz powder material.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-efficiency magnetic separation device for quartz powder materials comprises a base, a sand box, a conveyor belt, a roller brush, a collecting hopper, a feed hopper and a sand raising roller; the sand box is fixed on the base; the aggregate bin is fixed on the top of the sand box; the conveying belt contains magnetic substances, at least one section of the conveying belt is obliquely arranged in the sand box, and one end of the conveying belt is positioned in the aggregate bin; the roller brush is arranged in the aggregate bin and used for cleaning the surface of the conveying belt; the bottom of the sand box is obliquely arranged, the sand raising roller is positioned at the lowest position of the bottom of the sand box, and the sand raising roller rotates to raise sand grains to the lower surface of the conveying belt; the sand box is fixed with a feed hopper, and the bottom of the sand box is also provided with a discharge gate plate.

The magnetic separation device works as follows. Firstly, adding quartz sand to be magnetically separated into a sand box from a feed hopper, starting a conveyor belt, a roller brush and a sand raising roller, raising sand particles towards the conveyor belt under the rotation action of the sand raising roller, and adsorbing iron-containing impurities on the surface of the conveyor belt under the action of magnetic force. Then, the iron-containing impurities move to the collecting hopper along with the conveying belt, are hung by the roller brush and are collected at the bottom of the collecting hopper. After a period of magnetic separation, the iron content in the sand grains is gradually reduced and finally discharged from the bottom of the sand box through a discharge gate.

Furthermore, a group of air blowing nozzles with nozzles facing the roller brush are arranged above the roller brush. The air blowing nozzle is connected with high-pressure air and then blows out the high-pressure air to blow a small amount of impurity particles attached to the roller brush into the collecting hopper so as to prevent the impurity particles from being adsorbed by the conveying belt again.

Further, the conveyor belt is mounted in the flask by a drive roller having teeth on its surface for engaging the teeth on the inner surface of the conveyor belt and a pair of driven rollers.

Further, the driving roller is coaxially connected with a worm wheel, the worm wheel is meshed with a worm, and the worm is sleeved on an output shaft of the driving motor. The speed reduction and torque increase effects are realized through the matching of the worm gear and worm assembly.

Further, the roller brush can be rotatably erected in the sand box, a rotating shaft of the roller brush is in power connection with a first gear box, and the first gear box is driven by a first motor.

Furthermore, the sand raising roller can be rotatably erected in the sand box, a rotating shaft of the sand raising roller is in power connection with the second gear box, and the second gear box is driven by the second motor.

Furthermore, a group of magnetic strips are embedded on the surface of the conveyor belt at equal intervals and used for providing magnetism and adsorbing iron-containing impurities. Preferably, the direction of the magnetic strip is perpendicular to the direction of movement of the conveyor belt.

Furthermore, the bottom of the sand box is provided with an arc-shaped sunken area, and the arc-shaped sunken area is sunken on the bottom surface of the sand box and sunken on the side surface of the sand box; the sand raising roller is arranged in the depressed area. The position arrangement is more reasonable, so that sand grains can be fully raised by the sand raising roller, the raising angle of the sand grains is inclined upwards, and the sand grains are prevented from being raised vertically upwards.

Preferably, the sand-raising roller consists of a central cylinder and a group of sand-raising plates fixed on the surface of the central cylinder in an annular array mode.

Has the advantages that: compared with the prior art, the high-efficiency magnetic separation device for the quartz powder materials, provided by the utility model, has the advantages of reasonable design and convenient operation, fully raises sand grains in the magnetic separation process without dead angles, and has large magnetic separation area due to the inclined arrangement of the conveyor belt, so that the magnetic separation speed is high and the efficiency is high; with the prolonging of the magnetic separation time, the iron content is gradually reduced, and the lower iron content can be achieved; in addition, the design of the air blowing nozzle can prevent the ferrous impurities from being adsorbed again by the conveying belt to cause secondary pollution.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the connection of the drive roller;

FIG. 3 is a schematic cross-sectional view of a conveyor belt;

FIG. 4 is a schematic view of the attachment of the roller brush;

FIG. 5 is a schematic connection diagram of the sand raising roller;

fig. 6 and 7 are partial enlarged views of fig. 1.

In the figure, a base 1, a sand box 2, a conveyor belt 3, a roller brush 4, a collecting hopper 5, a feed hopper 6, a sand raising roller 7, an air blowing nozzle 8, a discharge gate plate 21, a driving roller 31, a worm wheel 32, a worm 33, a driving motor 34, a first gear box 41, a first motor 42, a second gear box 71, a second motor 72, a magnetic strip 35 and an arc-shaped concave area 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A high-efficiency magnetic separation device for quartz powder materials is shown in figures 1 to 7 and comprises a base 1, a sand box 2, a conveyor belt 3, a roller brush 4, a collecting hopper 5, a feed hopper 6 and a sand raising roller 7; the sand box 2 is fixed on the base 1; the aggregate bin 5 is fixed on the top of the sand box 2; the conveyor belt 3 contains magnetic substances, at least one section of the conveyor belt 3 is obliquely arranged in the sand box 2, and one end of the conveyor belt 3 is positioned in the aggregate bin 5; the roller brush 4 is arranged in the aggregate bin 5 and used for cleaning the surface of the conveying belt 3; the bottom of the sand box 2 is obliquely arranged, the sand raising roller 7 is positioned at the lowest position of the bottom of the sand box 2, and the sand raising roller 7 rotates to raise sand grains to the lower surface of the conveyor belt 3; a feed hopper 6 is fixed on the sand box 2, and a discharge gate plate 21 is also arranged at the bottom of the sand box 2.

In this embodiment, a group of blowing nozzles 8 with nozzles facing the roller brush 4 are further disposed above the roller brush 4.

In this embodiment, the conveyor belt 3 is supported in the flask 2 by a driving roller 31 and a pair of driven rollers, and the driving roller 31 has teeth on its surface to engage with the teeth on the inner surface of the conveyor belt 3.

In this embodiment, the driving roller 31 is coaxially connected to the worm wheel 32, the worm wheel 32 is engaged with the worm 33, and the worm 33 is sleeved on the output shaft of the driving motor 34.

In this embodiment, the roller brush 4 is rotatably mounted in the flask 2, the rotation shaft of the roller brush 4 is power-connected to the first gear box 41, and the first gear box 41 is driven by the first motor 42.

In this embodiment, the sand-blasting roller 7 is rotatably mounted in the sand box 2, the rotation shaft of the sand-blasting roller 7 is power-connected to the second gear box 71, and the second gear box 71 is driven by the second motor 72.

In this embodiment, a set of magnetic strips 35 is embedded on the surface of the conveyor belt 3 at equal intervals.

In this embodiment, the direction of the magnetic strip 35 is perpendicular to the moving direction of the conveyor belt 3.

In this embodiment, the bottom of the sand box 2 is provided with an arc-shaped recessed area 22, and the arc-shaped recessed area 22 sinks from the bottom surface of the sand box 2 and also sinks from the side surface of the sand box 2; the sand raising roller 7 is arranged in the concave area 22.

In this embodiment, the sand-blasting roller 7 is composed of a central cylinder and a group of sand-blasting plates fixed on the surface of the central cylinder in an annular array manner.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principle of the present invention, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient magnetic separation device of quartz powder material which characterized in that: comprises a base (1), a sand box (2), a conveyor belt (3), a roller brush (4), a collecting hopper (5), a feed hopper (6) and a sand raising roller (7); the sand box (2) is fixed on the base (1); the aggregate hopper (5) is fixed at the top of the sand box (2); the conveying belt (3) contains magnetic substances, at least one section of the conveying belt (3) is obliquely arranged in the sand box (2), and one end of the conveying belt (3) is positioned in the aggregate bin (5); the roller brush (4) is arranged in the aggregate bin (5) and is used for cleaning the surface of the conveyor belt (3); the bottom of the sand box (2) is obliquely arranged, the sand raising roller (7) is positioned at the lowest position of the bottom of the sand box (2), and the sand raising roller (7) rotates to raise sand grains to the lower surface of the conveyor belt (3); the feed hopper (6) is fixed on the sand box (2), and the bottom of the sand box (2) is also provided with a discharge gate plate (21).

2. The high-efficiency magnetic separation device for quartz powder materials of claim 1, which is characterized in that: and a group of air blowing nozzles (8) with nozzles facing the roller brush (4) are also arranged above the roller brush (4).

3. The high-efficiency magnetic separation device for quartz powder materials of claim 1, which is characterized in that: the conveying belt (3) is erected in the sand box (2) by a driving roller (31) and a pair of driven rollers, and the surface of the driving roller (31) is provided with roller teeth which are meshed with the teeth on the inner surface of the conveying belt (3).

4. The high-efficiency magnetic separation device for quartz powder materials of claim 3, which is characterized in that: drive roller (31) and worm wheel (32) coaxial coupling, worm wheel (32) and worm (33) meshing, worm (33) cover is established on the output shaft of driving motor (34).

5. The high-efficiency magnetic separation device for quartz powder materials of claim 1, which is characterized in that: the roller brush (4) can be rotatably erected in the sand box (2), a rotating shaft of the roller brush (4) is in power connection with a first gear box (41), and the first gear box (41) is driven by a first motor (42).

6. The high-efficiency magnetic separation device for quartz powder materials of claim 1, which is characterized in that: the sand raising roller (7) can be rotatably erected in the sand box (2), a rotating shaft of the sand raising roller (7) is in power connection with a second gear box (71), and the second gear box (71) is driven by a second motor (72).

7. The high-efficiency magnetic separation device for quartz powder materials of claim 1, which is characterized in that: a group of magnetic strips (35) are embedded on the surface of the conveyor belt (3) at equal intervals.

8. The efficient magnetic separation device for quartz powder materials of claim 7, which is characterized in that: the direction of the magnetic strip (35) is vertical to the moving direction of the conveyor belt (3).

9. The high-efficiency magnetic separation device for the quartz powder materials according to any one of claims 1 to 8, characterized in that: the bottom of the sand box (2) is provided with an arc-shaped sunken area (22), and the arc-shaped sunken area (22) is sunken on the bottom surface of the sand box (2) and sunken on the side surface of the sand box (2); the sand raising roller (7) is arranged in the concave area (22).

10. The high-efficiency magnetic separation device for quartz powder materials of claim 9, which is characterized in that: the sand raising roller (7) is composed of a central cylinder and a group of sand raising plates fixed on the surface of the central cylinder in an annular array mode.