CN215313822U

CN215313822U - Dense medium coal separation swirler pre-sorting device

Info

Publication number: CN215313822U
Application number: CN202121263009.3U
Authority: CN
Inventors: 孙斌; 冯如杉; 刘元五
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-28
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a dense medium coal separation cyclone pre-sorting device in the technical field of coal mines, which comprises a shell, wherein the bottom of the shell is provided with supporting legs, the top of the shell is provided with a feed hopper, the inner cavity of the shell is obliquely provided with a coarse screen and a fine screen, the coarse screen is positioned above the fine screen, the outer wall of the right side of the shell is provided with a collecting bin, the right side of the shell is provided with a through hole communicated with the collecting bin, the bottom of the shell is provided with a discharge hole, the lower parts of the coarse screen and the fine screen are both provided with a cam in a contact manner, the inner wall of the cam penetrates through a rotating shaft, the rear ends of two groups of rotating shafts penetrate through the rear end surface of the shell and are connected with a driving assembly, the front end surface of the shell is rotatably connected with an access door through a hinge, and the sorting device can carry out grading screening according to the volume of raw coal in advance, the coal dressing operation of the subsequent dense medium cyclone is facilitated, and the coal dressing efficiency is improved.

Description

Dense medium coal separation swirler pre-sorting device

Technical Field

The utility model relates to the technical field of coal mines, in particular to a dense medium coal separation cyclone pre-sorting device.

Background

The dense medium cyclone is a coal dressing equipment with simple structure, no moving parts and high dressing efficiency. Because the cyclone has no moving part, the sorting process completely depends on the flexible matching of the self structural parameter and the external operation parameter to realize the optimal sorting precision, which is the outstanding characteristic of the cyclone coal sorting method and other coal sorting methods. When the existing dense medium cyclone is used for progressively screening raw material coal, classification screening cannot be performed in advance according to the volume of the raw material coal, so that the coal separation efficiency of the dense medium cyclone is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heavy medium coal separation cyclone pre-separation device to solve the problem that the conventional heavy medium cyclone in the background art cannot perform advanced classification and screening according to the volume of raw material coal when the raw material coal is subjected to progressive screening.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dense medium coal dressing swirler sorter in advance, includes the casing, the bottom installation of casing is provided with the supporting leg, the top installation of casing is provided with the feeder hopper, the inner chamber slope of casing is provided with coarse screen and fine mesh screen, the coarse screen is located the top of fine mesh screen, the right side outer wall installation of casing be provided with two sets ofly respectively with the coarse screen with the corresponding collection storehouse in fine mesh screen position, the right side of casing seted up with the opening that the collection storehouse is linked together, the discharge gate has been seted up to the bottom of casing, the coarse screen with the below homotouch of fine mesh screen is provided with the cam, the inner wall of cam runs through and is provided with the axis of rotation, and is two sets of the rear end of axis of rotation runs through the rear end face of casing is connected with drive assembly, the preceding terminal surface of casing rotates through the hinge and is connected with the access door.

Preferably, the drive assembly includes servo motor, the servo motor installation sets up the rear end face of casing, servo motor's output is connected with the driving pulley, the outer wall laminating of driving pulley is provided with two sets of belts, the axis of rotation extends the one end of casing rear end face is connected with driven pulley, the driving pulley pass through two sets of belts respectively with two sets of driven pulley transmission is connected.

Preferably, the right side inner wall fixedly connected with two sets of fixed plates of casing, the bottom installation of fixed plate is provided with electric putter, electric putter's bottom is connected with the baffle, the baffle with the position of opening is corresponding.

Preferably, the mesh size of the coarse screen is larger than the mesh size of the fine screen.

Preferably, the left side and the right side of the bottom of the inner cavity of the shell are fixedly connected with material guide plates, and the cross sections of the material guide plates are of triangular structures.

Preferably, the bottom of the discharge port is sleeved with a sealing cover in a threaded manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, raw material coal can be classified and screened through the inclined coarse screen and fine screen, the driving component is started to drive the rotating shaft to rotate so as to drive the cam to rotate, and the coarse screen and the fine screen are vibrated through the cam, so that the screening frequency is accelerated, the problem that the existing heavy medium cyclone method cannot perform classification and screening according to the volume of the raw material coal in advance is solved, and the efficiency of coal selection of the heavy medium cyclone is further improved.

2. After coarse screen cloth and fine screen cloth finished the screening to raw material coal, drive baffle upward movement through starting electric putter for the raw material coal of coarse screen cloth and fine screen cloth gets into under the effect of gravity and collects the storehouse, takes out raw material coal from collecting the storehouse, can take out the raw material coal that falls into casing inner chamber bottom through the discharge gate, places the raw material coal classification of different volumes, makes things convenient for subsequent dense medium cyclone to carry out the coal dressing operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a back structure of the housing;

fig. 3 is a schematic structural diagram of the front side of the housing.

In the figure: 1. a housing; 2. supporting legs; 3. a feed hopper; 4. coarse screening; 5. a fine screen; 6. a collection bin; 7. a discharge port; 8. a cam; 9. a rotating shaft; 10. a drive assembly; 101. a servo motor; 102. a drive pulley; 103. a belt; 104. a driven pulley; 11. a fixing plate; 12. an electric push rod; 13. a baffle plate; 14. an access door; 15. a material guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a heavy medium coal separation cyclone pre-sorting device comprises a shell 1, supporting legs 2 are arranged at the bottom of the shell 1, a feed hopper 3 is arranged at the top of the shell 1, a coarse screen 4 and a fine screen 5 are obliquely arranged in an inner cavity of the shell 1, the screen size of the coarse screen 4 is larger than that of the fine screen 5, the coarse screen 4 is used for screening raw coal with larger volume, the fine screen 5 is used for screening raw coal with smaller volume, the coarse screen 4 is positioned above the fine screen 5, two groups of collecting bins 6 which respectively correspond to the coarse screen 4 and the fine screen 5 are arranged on the outer wall of the right side of the shell 1, a through hole communicated with the collecting bin 6 is formed in the right side of the shell 1, cams 8 are arranged below the coarse screen 4 and the fine screen 5 in a contact mode, rotating shafts 9 are arranged on the inner walls of the cams 8 in a penetrating mode, and the rear ends of the two groups of rotating shafts 9 penetrate through the rear end face of the shell 1 and are connected with a driving assembly 10, in throwing the raw materials coal into casing 1 through feeder hopper 3, coarse screen 4 and fine screen 5 that set up through the slope can carry out the classified screening to the raw materials coal, drive axis of rotation 9 through starting drive assembly 10 and rotate, and then drive cam 8 and rotate, vibrate coarse screen 4 and fine screen 5 through cam 8, accelerate the frequency of screening, the problem that current dense medium cyclone can't carry out the classified screening according to the volume size of raw materials coal in advance has been solved, and then the efficiency of dense medium cyclone coal dressing has been improved.

In this embodiment, please refer to fig. 2, the driving assembly 10 includes a servo motor 101, the servo motor 101 is installed on the rear end surface of the housing 1, the output end of the servo motor 101 is connected with a driving pulley 102, two sets of belts 103 are attached to the outer wall of the driving pulley 102, one end of the rotation shaft 9 extending out of the rear end surface of the housing 1 is connected with a driven pulley 104, the driving pulley 102 is respectively in transmission connection with the two sets of driven pulleys 104 through the two sets of belts 103, the driving pulley 102 is driven to rotate by starting the servo motor 101, the two sets of driven pulleys 104 are driven to synchronously rotate under the transmission action of the two sets of belts 103, and then the two sets of rotation shafts 9 are driven to rotate.

In this embodiment, please refer to fig. 1, two sets of fixed plates 11 are fixedly connected to the right inner wall of the casing 1, an electric push rod 12 is installed at the bottom of the fixed plate 11, a baffle 13 is connected to the bottom end of the electric push rod 12, the baffle 13 and the through opening should be arranged at positions corresponding to the coarse screen 4 and the fine screen 5 to screen the raw coal, the baffle 13 is driven to move upwards by starting the electric push rod 12, so that the raw coal of the coarse screen 4 and the fine screen 5 enters the collecting bin 6 along the through opening under the action of gravity, and the raw coal is taken out from the collecting bin 6.

In this embodiment, please refer to fig. 1, a discharge port 7 is formed in the bottom of the housing 1, a sealing cover is sleeved on the bottom of the discharge port 7 through a thread, material guide plates 15 are fixedly connected to the left and right sides of the bottom of the inner cavity of the housing 1, the cross section of each material guide plate 15 is of a triangular structure, the material coal is prevented from remaining at the bottom of the inner cavity of the housing 1 through the arranged material guide plates 15, when the material coal falling into the bottom of the inner cavity of the housing 1 needs to be taken out, the sealing cover on the discharge port 7 is screwed, the sealing cover is taken down, and the material coal is led out from the discharge port 7 along the material guide plates 15.

Example 2

Referring to fig. 3, this embodiment is different from the first embodiment in that: the preceding terminal surface of casing 1 is connected with access door 14 through hinge rotation, installs the handle on the access door 14, can open the access door through the pulling handle, and then conveniently clears up the maintenance to coarse screen 4 and the fine mesh screen 5 in the casing 1, and after the clearance maintenance finishes, through promoting the handle with access door 14 closed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dense medium coal separation swirler preseparation device, includes casing (1), its characterized in that: the bottom installation of casing (1) is provided with supporting leg (2), the top installation of casing (1) is provided with feeder hopper (3), the inner chamber slope of casing (1) is provided with coarse screen cloth (4) and fine screen cloth (5), coarse screen cloth (4) are located the top of fine screen cloth (5), the right side outer wall installation of casing (1) is provided with two sets of collection storehouse (6) corresponding with coarse screen cloth (4) and fine screen cloth (5) position respectively, the opening that is linked together with collection storehouse (6) is seted up on the right side of casing (1), discharge gate (7) have been seted up to the bottom of casing (1), the below of coarse screen cloth (4) and fine screen cloth (5) all contacts and is provided with cam (8), the inner wall of cam (8) runs through and is provided with axis of rotation (9), the rear end of two sets of axis of rotation (9) runs through the rear end face of casing (1) and is connected with drive assembly (10), the preceding terminal surface of casing (1) is connected with access door (14) through the hinge rotation.

2. The pre-sorting device of the dense medium coal-sorting cyclone as claimed in claim 1, wherein: drive assembly (10) include servo motor (101), servo motor (101) installation sets up the rear end face in casing (1), the output of servo motor (101) is connected with drive pulley (102), the outer wall laminating of drive pulley (102) is provided with two sets of belts (103), the one end that axis of rotation (9) extended casing (1) rear end face is connected with driven pulley (104), drive pulley (102) are connected with two sets of driven pulley (104) transmission respectively through two sets of belts (103).

3. The pre-sorting device of the dense medium coal-sorting cyclone as claimed in claim 1, wherein: two groups of fixing plates (11) are fixedly connected to the inner wall of the right side of the shell (1), an electric push rod (12) is arranged at the bottom of each fixing plate (11), a baffle (13) is connected to the bottom end of each electric push rod (12), and the baffle (13) corresponds to the position of the through opening.

4. The pre-sorting device of the dense medium coal-sorting cyclone as claimed in claim 1, wherein: the mesh size of the coarse screen (4) is larger than that of the fine screen (5).

5. The pre-sorting device of the dense medium coal-sorting cyclone as claimed in claim 1, wherein: the left side and the right side of the bottom of the inner cavity of the shell (1) are fixedly connected with material guide plates (15), and the cross sections of the material guide plates (15) are of triangular structures.

6. The pre-sorting device of the dense medium coal-sorting cyclone as claimed in claim 1, wherein: the bottom of the discharge hole (7) is in threaded sleeve connection with a sealing cover.