CN211914217U

CN211914217U - Coal dressing swirler is sorting unit in advance

Info

Publication number: CN211914217U
Application number: CN202020385832.0U
Authority: CN
Inventors: 吴刚; 郑杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-13
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a coal dressing swirler preselection device, which comprises a box body, wherein a filtering and screening device is arranged in the box body, the filtering and screening device comprises a filtering plate, a crushing device and a vibration device, two filtering plates are arranged in the box body, the vibration device is arranged on the side wall of the box body, the vibration device comprises a motor I, a cam, a connecting rod and a limiting block, the motor I is fixedly arranged on the box body, the cam is fixedly connected with the rotating shaft of the motor I, a chute is arranged on the side wall of the box body, and the chute is arranged on a notch in a penetrating way; the connecting rods are arranged on the notches in a sliding manner; the cam is contacted with the bottom of the connecting rod, a limiting groove is formed in the filter plate, and the limiting block is arranged in the limiting groove in a sliding mode; the limiting block is fixedly connected to the connecting rod. The device has simple structure, and can effectively realize the pre-screening of the coal briquette; meanwhile, the screened coal blocks are further treated by the crushing device, so that the actual use effect is improved; thereby having good application prospect.

Description

Coal dressing swirler is sorting unit in advance

Technical Field

The utility model relates to a colliery production field specifically is a coal dressing swirler sorting unit in advance.

Background

The cyclone is the most widely applied coal separation equipment at present, and before the coal is separated, raw coal is wetted, dispersed and pre-separated, and then enters the cyclone one section by one section and enters the cyclone two sections to separate three products of clean coal, middlings and gangue. The dense medium cyclone is a centrifugal separation equipment, medium liquid enters into the cyclone tangentially according to the required pressure, and forms an external spiral flow and an internal spiral flow rotating at high speed in the cyclone, and under the concentration action of centrifugal force, the medium liquid forms different density fields in the cyclone. The medium liquid rotating at high speed drives the materials to rotate, layering according to density is realized under the action of centrifugal force and buoyancy, heavy products are discharged from the bottom flow port under the action of outer rotational flow, and light products are discharged from the overflow port under the action of inner rotational flow, so that separation is realized.

In order to improve the actual separation effect of the coal separation cyclone, coal is usually pre-separated before entering the cyclone; thereby improving the use effect of the actual separator; however, most of the existing pre-sorting devices have poor sorting effect, so that the existing production requirements are difficult to meet; further provides a pre-sorting device of the coal-sorting cyclone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal dressing swirler sorting unit in advance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a coal dressing swirler preseparation device comprises a box body, wherein a filtering and screening device is arranged in the box body, the filtering and screening device comprises two filtering plates, a crushing device and a vibration device, and the aperture of the lower filtering plate is smaller than that of the upper filtering plate; the box body is fixedly provided with a mounting seat, one end of the filter plate positioned above the box body is hinged on the mounting seat, and the filter plate positioned below the box body is hinged on the box body; one side of the box body is provided with a notch, and one end of the filter plate is arranged in the notch; the vibration device is arranged on the side wall of the box body and comprises a first motor, a cam, a connecting rod and a limiting block, the first motor is fixedly arranged on the box body, the cam is fixedly connected with a rotating shaft of the first motor, a sliding groove is formed in the side wall of the box body, and the sliding groove is arranged on the notch in a penetrating mode; the connecting rods are arranged on the notches in a sliding manner; the cam is contacted with the bottom of the connecting rod, a limiting groove is formed in the filter plate, and the limiting block is arranged in the limiting groove in a sliding mode; the limiting block is fixedly connected to the connecting rod, the crushing device is arranged on one side of the upper filter plate, and the bottom of the box body is connected with a connector.

As a further aspect of the present invention: the crushing device comprises two crushing rollers, a second motor and a gear pair, wherein the two crushing rollers are arranged on the box body, the second motor is fixedly installed on the box body, and a rotating shaft of the second motor is connected with a rotating shaft of the crushing rollers through the gear pair.

As a further aspect of the present invention: the crushing roller position conical roller is provided with a discharge port on the box body at the lowest point of the crushing roller.

As a further aspect of the present invention: a filter screen is arranged between the mounting seat and the box body, and the aperture of the filter screen is consistent with that of the lower filter plate.

As a further aspect of the present invention: the filter plate is provided with a conical block.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure, and can effectively realize the pre-screening of the coal briquette; meanwhile, the screened coal blocks are further treated by the crushing device, so that the actual use effect is improved; thereby having good application prospect.

Drawings

Fig. 1 is a schematic structural diagram of a pre-sorting device of a coal sorting cyclone.

FIG. 2 is a schematic structural diagram of a section of a crushing device in a pre-sorting device of a coal separation cyclone.

FIG. 3 is a schematic structural diagram of a filter plate in a pre-sorting device of a coal separation cyclone.

In the figure: 1-box body, 2-connecting port, 3-motor I, 4-placing groove, 5-notch, 6-connecting rod, 7-limiting groove, 8-chute, 9-filtering plate, 10-limiting block, 11-mounting seat, 12-grinding roller, 13-filtering screen, 14-discharging port, 15-motor II, 16-gear pair, 17-cam and 18-conical block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, a pre-sorting device of a coal-sorting cyclone comprises a box body 1, wherein a filtering and screening device is arranged in the box body 1, the filtering and screening device comprises a filtering plate 9, a crushing device and a vibrating device, two filtering plates 9 are arranged in the box body 1, and the aperture of the filtering plate 9 positioned at the lower part is smaller than that of the filtering plate positioned at the upper part; a mounting seat 11 is fixedly arranged on the box body 1, one end of the filter plate 9 positioned above the mounting seat 11 is hinged on the mounting seat 11, and the filter plate 9 positioned below the mounting seat is hinged on the box body 1; a notch 5 is formed in one side of the box body 1, and one end of the filter plate 9 is arranged in the notch 5; the vibration device is arranged on the side wall of the box body 1 and comprises a motor I3, a cam 17, a connecting rod 6 and a limiting block 10, the motor I3 is fixedly arranged on the box body 1, the cam 17 is fixedly connected with a rotating shaft of the motor I3, a sliding groove 8 is formed in the side wall of the box body 1, and the sliding groove 8 is arranged on the notch 5 in a penetrating mode; the connecting rods 6 are arranged on the notches 5 in a sliding mode; the cam 17 contacts with the bottom of the connecting rod 6, so that the cam 17 further drives the connecting rod 6 to move up and down when rotating; a limiting groove 7 is formed in the filter plate 9, and the limiting block 10 is arranged in the limiting groove 7 in a sliding manner; the limiting block 10 is fixedly connected to the connecting rod 6; when the connecting rod 6 moves up and down, the filter plate 9 is further driven to swing up and down, so that the screening effect of the filter plate 9 is greatly improved; the crushing device is arranged on one side of the upper layer filter plate 9, and further crushes the coal blocks which do not pass through the upper layer filter plate 9; the bottom of the box body 1 is connected with a connecting port 2, and the screened coal blocks are further transferred to a coal preparation cyclone through the connecting port 2.

Further, the specific structural form of the crushing device is not limited, in the embodiment, the crushing device comprises two crushing rollers 12, two motors 15 and a gear pair 16, the two crushing rollers 12 are distributed on the box body 1, the two motors 15 are fixedly installed on the box body 1, and the rotating shaft of the two motors 15 is connected with the rotating shaft of the crushing roller 12 through the gear pair 16; the coal is further pulverized by the pulverizing roller 12.

Further, the crushing roller 12 is a conical roller, a discharge port 14 is opened at the lowest point of the crushing roller 12 in the box body 1, and the coal which is difficult to crush is discharged out of the box body 1 through the discharge port 14.

Further, lay filter screen 13 between mount pad 11 and box 1, filter screen 13's aperture unanimous with the aperture of the filter 9 of lower floor, and then on filter 9 of lower floor entered into through smashing the coal cinder, and then the practicality of this device of big improvement.

The utility model discloses a theory of operation is: when the device is used, the cam 17 further drives the connecting rod 6 to move up and down when rotating, and further drives the filter plate 9 to swing up and down when the connecting rod 6 moves up and down, so that the screening effect of the filter plate 9 is greatly improved; the crushing device is arranged on one side of the upper-layer filter plate 9, and further crushes the coal blocks which do not pass through the upper-layer filter plate 9; further, the device has good use effect.

Example two

In order to further improve the practical use effect of the device, the present embodiment is improved on the basis of the first embodiment, and the improvement is that the filter plate 9 is provided with the conical block 18, so that the conical block 18 is further convenient for the large coal block to roll, and further the blockage of the filter plate 9 is avoided; the practicability of the energy is improved.

The working principle of the embodiment is as follows: the filter plate 9 is provided with the conical block 18, and the conical block 18 is further convenient for large coal blocks to roll, so that the filter plate 9 is prevented from being blocked; the practicability of the energy is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A coal dressing swirler preseparation device comprises a box body (1), and is characterized in that a filtering and screening device is arranged in the box body (1) and comprises two filtering plates (9), a crushing device and a vibration device, wherein the pore diameter of the lower filtering plate (9) is smaller than that of the upper filtering plate; the box body (1) is fixedly provided with a mounting seat (11), one end of the filter plate (9) positioned above the box body is hinged on the mounting seat (11), and the filter plate (9) positioned below the box body is hinged on the box body (1); a notch (5) is formed in one side of the box body (1), and one end of the filter plate (9) is arranged in the notch (5); the vibration device is arranged on the side wall of the box body (1), the vibration device comprises a first motor (3), a cam (17), a connecting rod (6) and a limiting block (10), the first motor (3) is fixedly arranged on the box body (1), the cam (17) is fixedly connected with a rotating shaft of the first motor (3) in a refining mode, a sliding groove (8) is formed in the side wall of the box body (1), and the sliding groove (8) penetrates through the notch (5); the connecting rods (6) are arranged on the notches (5) in a sliding manner; the cam (17) is contacted with the bottom of the connecting rod (6), a limiting groove (7) is formed in the filter plate (9), and the limiting block (10) is arranged in the limiting groove (7) in a sliding mode; the crushing device is characterized in that the limiting blocks (10) are fixedly connected onto the connecting rods (6), the crushing device is arranged on one side of the upper-layer filter plate (9), and the bottom of the box body (1) is connected with the connecting port (2).

2. The coal dressing swirler preseparation device according to claim 1, characterized in that the crushing device comprises two crushing rollers (12), a second motor (15) and a gear pair (16), the two crushing rollers (12) are arranged on the box body (1), the second motor (15) is fixedly installed on the box body (1), and a rotating shaft of the second motor (15) is connected with a rotating shaft of the crushing rollers (12) through the gear pair (16).

3. The pre-sorting device of the coal dressing cyclone according to claim 2, characterized in that the crushing roller (12) is a conical roller, and a discharge port (14) is arranged on the box body (1) at the lowest point of the crushing roller (12).

4. The pre-sorting device of the coal-sorting cyclone separator according to claim 3, characterized in that a filter screen (13) is arranged between the mounting seat (11) and the box body (1), and the aperture of the filter screen (13) is consistent with that of the lower layer filter plate (9).

5. The preselection device of a coal dressing cyclone according to claim 1, characterized in that the filter plate (9) is provided with conical blocks (18).