CN217431921U

CN217431921U - Adjustable frame of integral type based on drum-type screening installation

Info

Publication number: CN217431921U
Application number: CN202220393116.6U
Authority: CN
Inventors: 任文芳; 朱余江
Original assignee: Taiyuan Design And Research Institute Group Co ltd Of Coal Industry
Current assignee: Taiyuan Design And Research Institute Group Co ltd Of Coal Industry
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-09-16
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses an adjustable frame of integral type based on drum-type screening installation, its characterized in that: the coal washing machine comprises a bottom beam frame, wherein a pair of front supporting beams and a pair of rear supporting beams are respectively arranged on the bottom beam frame, movable supporting beams are respectively arranged on the two rear supporting beams in a sliding mode, a cross beam is fixedly connected between the two movable supporting beams, at least one hydraulic oil cylinder is arranged between the cross beam and the bottom beam frame, arc-shaped supporting grooves are respectively and rotatably connected between the upper ends of the two movable supporting beams and the upper ends of the two front supporting beams, a roller is jointly arranged on the two arc-shaped supporting grooves, two ends of the side wall of the roller are provided with annular guide grooves corresponding to the arc-shaped supporting grooves, power is provided for the roller through a driving motor, a plurality of eyelets are circumferentially arranged on the side wall of the roller, a spraying frame is further arranged on the bottom beam frame, a spraying assembly is arranged on the spraying frame, and the spraying assembly sprays media for washing raw coal to the roller.

Description

Adjustable frame of integral type based on drum-type screening installation

Technical Field

The utility model relates to a raw coal selects washing equipment technical field, concretely relates to is an adjustable frame of integral type based on drum-type screening installation.

Background

When a coal washing plant carries out raw coal washing, selected raw coal is firstly screened, then products on the screen enter a gravity separation flow, underflow under a desliming screen is treated by a concentration cyclone and then enters a coal slime separator for separation, and three products of clean coal, middlings and tailings can be obtained. The water spraying devices adopted by the existing coal preparation plant medium removing sieve are arranged in parallel, so that the spraying area during water spraying has certain limitation, and therefore, coal is not provided with certain uniformity by water, so that a part of regions are easy to be sufficient in water receiving amount, and the other part of regions are insufficient in water receiving amount, so that the mud removing and medium removing effect is directly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current selection washing equipment among the background art wash not thorough problem to the raw coal, my company's technical backbone personnel use current horizontal cylinder washing equipment as the basis, advance the technical transformation, through long-term field test and continuous debugging, developed an adjustable frame of integral type based on drum-type screening installation.

In order to achieve the above purpose, the utility model adopts the following technical proposal: an integrated adjustable frame based on drum-type screening equipment comprises a drum and a bottom beam frame used for installing the drum, wherein two ports of the drum are respectively a feed inlet and a discharge outlet, the drum is powered by a driving motor and rotates to roll, raw coal washed inside the drum is discharged from the discharge outlet under the action of a rotating spiral baffle, a pair of front supporting beams and a pair of rear supporting beams are respectively and vertically installed on the bottom beam frame, movable supporting beams are respectively and slidably arranged on the two rear supporting beams, a cross beam is fixedly connected between the two movable supporting beams, at least one hydraulic oil cylinder is installed between the cross beam and the bottom beam frame, the hydraulic oil cylinder is externally connected with a liquid pump station, the two movable supporting beams are enabled to lift relative to the two rear supporting beams, and arc-shaped supporting grooves are respectively and rotatably connected between the upper ends of the two movable supporting beams and the upper ends of the two front supporting beams, every all be provided with a plurality of bearing rollers along its pitch arc in the arc holds in the palm the groove, the cylinder sets up two jointly on the arc holds in the palm, install spiral baffle along its circumference on the inside wall of cylinder, the both ends lateral wall of cylinder is gone up and is surrounded and is provided with annular guide slot on the outside, and a plurality of bearing rollers that lie in same one side all contact with the bottom surface of annular guide slot, install on the bottom beam frame and spray the frame, spray the frame and lie in one side of feed inlet, be provided with spray assembly on it, spray assembly sprays the medium of washing raw coal to the cylinder.

Preferably, a first connecting beam is hinged between the front supporting beam and the movable supporting beam which are positioned on the same side, a motor frame is fixedly connected between the lower ends of the first connecting beams, two driving motors are mounted on the motor frame, driving gears are arranged on output shafts of the two driving motors, and annular teeth meshed with the two driving gears together are arranged on the outer side of the side wall of the roller in an encircling manner.

Preferably, as for the above technical solution, the bottom beam frame is further vertically provided with a pair of hopper supporting beams, a second connecting beam is hinged between the hopper supporting beam and the movable supporting beam on the same side, two second connecting beams are jointly provided with a receiving hopper, and the receiving hopper covers under the discharge port.

According to the technical scheme, the drum is further preferably provided with a plurality of holes in the circumferential direction on the side wall of the drum, the bottom beam frame is provided with two box body supports, the two box body supports are jointly provided with the sewage box body, the sewage box body covers the drum and is located on one side of the feed port, and the bottom of the box body is communicated with the discharge pipe.

Preferably, the spraying assembly comprises a spraying pipe arranged on the spraying frame, one end of the spraying pipe is communicated with a plurality of nozzles, the plurality of nozzles point to the inside of the feed port, and the other end of the spraying pipe is externally connected with a medium conveying pipe.

In the above aspect, it is preferable that a dust cover is attached between the two first connection beams, and the dust cover covers directly below the two drive gears.

Compared with the prior art, the utility model has the advantages of it is following: 1. the utility model is provided with the roller, the spiral baffle is arranged in the roller, the rotary washing of the raw coal is carried out under the cooperation of the spraying component, the desliming and medium removing effects are effectively improved, and meanwhile, the raw coal after being screened by the desliming can be quickly separated from the roller under the rotating action of the spiral baffle; 2. the utility model also arranges a receiving hopper at the outlet of the roller to receive the transition between the roller and the conveyer belt; 3. the utility model is provided with the box body under the roller in a covering way, and the washed medium mixture is collected and discharged into the purification system through the box body, thereby being convenient for repeated utilization; 4. the utility model provides a cylinder one end designs into adjustable, through adjusting its one end height, makes the cylinder be in and rotates the selection under the tilt state and wash, helps improving raw coal and medium mixing time to optimize the selection and wash the effect.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of the middle frame of the present invention;

fig. 3 is a schematic sectional view of the middle roller of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is further explained by the following embodiments.

Referring to fig. 1 to 3, an integrated adjustable frame based on a drum-type screening device comprises a base beam frame 1, a pair of front support beams 2 and a pair of rear support beams 3 are respectively and vertically installed on the base beam frame 1, movable support beams 8 are respectively and slidably installed on the two rear support beams 3, a first connecting beam 6 is hinged between the front support beam 2 and the movable support beam 8 on the same side, a motor frame 20 is fixedly connected between the lower ends of the two first connecting beams 6, two driving motors 21 are installed on the motor frame 20, driving gears 24 are respectively installed on output shafts of the two driving motors 21, annular teeth 13 which are jointly meshed with the two driving gears 24 are arranged on the outer side wall of a drum 10 in a surrounding manner, the drum 10 is powered by the driving motors 21 and rotates and rolls, raw coal washed inside the drum is discharged from a discharge port 102 under the action of a rotating spiral baffle plate 11, a dust cover 26 is arranged between the two first connecting beams 6, the dust cover 26 covers under the two driving gears 24, a crossbeam 23 is fixedly connected between the two movable supporting beams 8, at least one hydraulic oil cylinder 22 is arranged between the crossbeam 23 and the bottom beam frame 1, a liquid pumping station is connected outside the hydraulic oil cylinder 22, the two movable supporting beams 8 can lift relative to the two rear supporting beams 3, arc-shaped brackets 15 are rotatably connected between the two movable supporting beams 8 and the upper ends of the two front supporting beams 2, a plurality of carrier rollers 16 are arranged in each arc-shaped bracket 15 along the arc line, a roller 10 is jointly arranged on the two arc-shaped brackets 15, two ports of the roller 10 are respectively a feeding port 101 and a discharging port 102, and spiral baffles 11 are arranged on the inner side wall of the roller 10 along the circumferential direction, annular guide grooves 14 are formed in the outer sides of the side walls of two ends of the roller 10 in a surrounding mode, a plurality of carrier rollers 16 located on the same side are all in contact with the bottom surface of the annular guide grooves 14, a pair of hopper supporting beams 4 are also vertically arranged on the bottom beam frame 1, a second connecting beam 7 is hinged between the hopper supporting beam 4 located on the same side and the movable supporting beam 8, a receiving hopper 9 is jointly installed on the two second connecting beams 7, and the receiving hopper 9 covers the position under the discharge port 102; the bottom beam frame 1 is provided with a spray frame 5, the spray frame 5 is positioned at one side of the feed inlet 101, a spraying assembly 25 is arranged on the rotary drum, the spraying assembly 25 sprays media for washing raw coal into the rotary drum 10, the spraying assembly 25 comprises a spraying pipe 2501 arranged on a spraying frame 5, one end of the spray pipe 2501 is communicated with a plurality of spray heads 2502, the spray heads 2502 all point to the feed inlet 101, the other end of the spray pipe 2501 is externally connected with a medium conveying pipe, a plurality of holes 12 are arranged on the side wall of the roller 10 at one end of the feed inlet 101 in the circumferential direction, two box body brackets 19 are arranged on the bottom beam frame 1, a sewage tank body 17 is commonly arranged on the two tank body brackets 19, the sewage tank body 17 covers the right lower part of the roller 10, and is positioned at one side of the feeding hole 101, and the bottom of the box body 17 is communicated with a discharge pipe 18.

In the above embodiment, the feed inlet 101 of the drum 10 is connected to a belt conveyor, raw coal is conveyed into the drum 10 through the belt conveyor, the spiral baffle 11 is arranged inside the drum, the raw coal is subjected to rotary washing under the cooperation of the spraying assembly 25, the selected raw coal is discharged from the outlet 102 of the drum 10, transited through the receiving hopper 9, conveyed to another belt conveyor at the tail of the receiving hopper 9, and finally conveyed to a finished coal bunker or a next process.

The essential features and advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.

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. The utility model provides an adjustable frame of integral type based on drum-type screening installation, includes cylinder (10), and its both ends mouth is feed inlet (101) and discharge gate (102) respectively, cylinder (10) are by driving motor (21) power and rotatory roll, and the raw coal after its inside washing is followed discharge gate (102) and is gone out under rotatory helical baffle (11) effect, its characterized in that: the device comprises a bottom beam frame (1), a pair of front supporting beams (2) and rear supporting beams (3) are respectively and vertically arranged on the bottom beam frame (1), movable supporting beams (8) are respectively and slidably arranged on the two rear supporting beams (3), a cross beam (23) is fixedly connected between the two movable supporting beams (8), at least one hydraulic oil cylinder (22) is arranged between the cross beam (23) and the bottom beam frame (1), a liquid pump station is connected outside the hydraulic oil cylinder (22), the two movable supporting beams (8) can move up and down relative to the two rear supporting beams (3), arc-shaped supporting grooves (15) are respectively and rotatably connected between the two movable supporting beams (8) and the upper ends of the two front supporting beams (2), a plurality of supporting rollers (16) are respectively arranged in each arc-shaped supporting groove (15) along an arc line, the roller (10) is jointly arranged on the two arc-shaped supporting grooves (15), install spiral baffle (11) along its circumference on the inside wall of cylinder (10), it is provided with annular guide slot (14) to encircle on the both ends lateral wall outside of cylinder (10), and a plurality of bearing rollers (16) that lie in same one side all contact with the bottom surface of annular guide slot (14), install on end roof frame (1) and spray frame (5), spray frame (5) are located one side of feed inlet (101), are provided with spray assembly (25) on it, spray assembly (25) are to cylinder (10) in the medium of spraying the washing raw coal.

2. The integrated adjustable frame based on the drum-type screening equipment as claimed in claim 1, wherein: lie in to have first tie-beam (6) between preceding supporting beam (2) and the movable supporting beam (8) with one side two fixedly connected with motor frame (20) between first tie-beam (6) lower extreme, install two on motor frame (20) driving motor (21), two all be provided with driving gear (24) on the output shaft of driving motor (21), encircle on the lateral wall outside of cylinder (10) be provided with two annular tooth (13) that mesh jointly with driving gear (24).

3. An integrated adjustable frame based drum screening apparatus according to claim 1 or 2, wherein: the bottom beam frame (1) is also vertically provided with a pair of hopper supporting beams (4), a second connecting beam (7) is hinged between the hopper supporting beam (4) and the movable supporting beam (8) which are positioned on the same side, two second connecting beams (7) are jointly provided with a receiving hopper (9), and the receiving hopper (9) covers under the discharge port (102).

4. An integrated adjustable frame based on a drum-type screening apparatus as claimed in claim 3, wherein: a plurality of holes (12) are circumferentially formed in the side wall of the roller (10) located at one end of the feed inlet (101), two box body supports (19) are mounted on the bottom beam frame (1), a sewage box body (17) is mounted on the box body supports (19) jointly, the sewage box body (17) covers the roller (10) under and is located on one side of the feed inlet (101), and a discharge pipe (18) is communicated with the bottom of the box body (17).

5. An integrated adjustable frame based drum screening apparatus as claimed in claim 1 or 2 or 4, wherein: the spray assembly (25) comprises a spray pipe (2501) arranged on a spray rack (5), one end of the spray pipe (2501) is communicated with a plurality of spray heads (2502), the spray heads (2502) point to the interior of the feed port (101), and the other end of the spray pipe (2501) is externally connected with a medium conveying pipe.

6. The integrated adjustable frame based on the drum-type screening equipment as claimed in claim 2, wherein: and a dust cover (26) is arranged between the two first connecting beams (6), and the dust cover (26) covers the two driving gears (24).