CN213285873U - Dehydration and deliming device for coal processing - Google Patents

Abstract

The utility model belongs to the technical field of coal dehydration and deliming, in particular to a dehydration and deliming device for coal processing, which comprises an outer box body, a centralized water outlet is arranged at the right side of the bottom of the outer box body, a filter sieve is arranged in the outer box body, the left end and the right end of the outer box body are both provided with through grooves, the left end of the bottom of the filter sieve is movably connected with a rotating shaft, the front end and the rear end of the rotating shaft are connected with the front side wall and the rear side wall of the inner cavity of the outer box body through shaft seats, the middle part of the lower surface of the filter sieve is connected with an upper supporting rod through a pin shaft, a supporting sleeve is sleeved on the lower side of the outer wall of the upper supporting rod, a supporting spring is supported between the bottom end of the upper supporting rod and the bottom of the inner cavity of the supporting sleeve, the bottom of the supporting sleeve is connected with the bottom of the inner cavity of the outer box body through a pin shaft, so that the problem of coarse material leakage of a coarse clean coal and powder gangue system is solved, and ash content and moisture content of a product are reduced; improves the recovery efficiency of dehydration and deashing, and is beneficial to stabilizing the ash content and the moisture content of the product.

Description

Dehydration and deliming device for coal processing

Technical Field

The utility model relates to a coal dehydration deliming technical field specifically is a coal processing is with dehydration deliming device.

Background

Desliming is a process of separating fine slime from coarse sand in ore pulp during beneficiation operations. The slime is an interference factor in any beneficiation process, and directly influences the separation index and beneficiation reagent consumption, so the desliming operation is the key preparation operation of beneficiation methods such as gravity separation, magnetic separation, flotation and the like.

In the dehydration and deashing treatment of coal mines, the change of the coal quality of raw coal, the control difficulty of the existing equipment on moisture and ash content is continuously increased, the efficiency is not high, and the coal loss condition is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal processing is with dehydration deliming device to in the colliery dehydration deliming processing that proposes in solving above-mentioned background art, the change of raw coal quality, the control degree of difficulty of existing equipment to moisture and ash content constantly strengthens, and efficiency is not high, and the problem of the coal loss condition appears easily.

In order to achieve the above object, the utility model provides a following technical scheme: a dehydration and deashing device for coal processing comprises an outer box body, wherein a centralized water outlet is arranged on the right side of the bottom of the outer box body, a filter sieve is arranged in the outer box body, through grooves are formed in the left end and the right end of the outer box body, a rotating shaft is movably connected with the left end of the bottom of the filter sieve, the front end and the rear end of the rotating shaft are connected with the front side wall and the rear side wall of an inner cavity of the outer box body through shaft seats, the middle part of the lower surface of the filter sieve is connected with an upper supporting rod through a pin shaft, a supporting sleeve is sleeved on the lower side of the outer wall of the upper supporting rod, a supporting spring is supported between the bottom end of the upper supporting rod and the bottom of the inner cavity of the supporting sleeve, the bottom of the supporting sleeve is connected with the bottom of the inner cavity of the outer box body through a pin shaft, a motor support, the supporting shaft extends to the outer side of the mounting fork frame, and the supporting shaft is connected with an output shaft of the vibration driving motor through a gear pair.

Preferably, the front side and the rear side of the filter screen are in an upward arc shape.

Preferably, the sieve mesh of the filter sieve is 0.4 mm.

Preferably, the bottom of the inner cavity of the outer box body is inclined in a manner that the left part is higher than the right part.

Preferably, the gear pair comprises a driving gear and a driven gear, the driving gear is fixedly connected to an output shaft of the vibration driving motor, the driven gear is fixedly connected to the supporting shaft, and the driving gear is meshed with the driven gear.

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

1) the problem of coarse material leakage of coarse clean coal and powder gangue systems is solved, and ash content and moisture content of products are reduced;

2) improves the recovery efficiency of dehydration and deashing, and is beneficial to stabilizing the ash content and the moisture content of the product.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the outer case of the present invention;

FIG. 3 is a schematic side view of the filter screen of the present invention;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 2 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a portion B in fig. 2 according to the present invention.

In the figure: the device comprises a box body 1, a concentrated water outlet 2, a through groove 3, a filter sieve 4, an upper support rod 5, a support sleeve 6, a motor support 7, an installation fork frame 8, a vibration driving motor 9, a vibration driving cam 10 and a gear pair 11.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a dehydration and ash removal device for coal processing comprises an outer box body 1, wherein a centralized water outlet 2 is arranged at the right side of the bottom of the outer box body 1;

the centralized water outlet 2 is used for intensively discharging water, ash contained in the water and a small amount of coal powder in the outer box body 1 to a recovery end and recovering the coal powder in the outer box body;

a filter sieve 4 is arranged in the outer box 1, and through grooves 3 are formed in the left end and the right end of the outer box 1;

two ends of the filter screen 4 extend to the through grooves 3 at two sides, an external conveyor belt conveys coal to be dewatered and deashed to the filter screen 4 through the through groove 3 at the left side, and the external conveyor belt conveys the coal dewatered and deashed on the filter screen 4 away through the through groove 3 at the right side;

the left end of the bottom of the filter sieve 4 is movably connected with a rotating shaft, and the front end and the rear end of the rotating shaft are connected with the front side wall and the rear side wall of the inner cavity of the outer box 1 through shaft seats;

the rotating shaft supports the filter sieve 4, and the filter sieve 4 can rotate on the rotating shaft by a certain angle;

the middle part of the lower surface of the filter sieve 4 is connected with an upper support rod 5 through a pin shaft, the lower side of the outer wall of the upper support rod 5 is sleeved with a support sleeve 6, a support spring (not shown in the figure) is supported between the bottom end of the upper support rod 5 and the bottom of an inner cavity of the support sleeve 6, and the bottom of the support sleeve 6 is connected with the bottom of the inner cavity of the outer box 1 through a pin shaft;

the cooperation among the upper support rod 5, the support spring and the support sleeve 6 can play a role in buffering and supporting the space between the filter sieve 4 and the outer box body 1, so that the stability of the supported filter sieve 4 is ensured during vibration;

the inner chamber bottom right side fixedly connected with motor support 7 and installation crotch 8 of outer box 1, the upper end fixedly connected with vibration-driven motor 9 of motor support 7, the top of installation crotch 8 is connected with vibration-driven cam 10 through the back shaft, and the back shaft extends to the outside of installation crotch 8, is connected through gear pair 11 between the output shaft of back shaft and vibration-driven motor 9.

Vibration driving motor 9 drives back shaft vibration driving cam 10 through gear pair 11 and rotates, and vibration driving cam 10 supports on the lower surface of filter sieve 4, and along with vibration driving cam 10's rotation effect, vibration driving cam 10 can change the support position of filter sieve 4 for filter sieve 4 rises or descends, thereby makes filter sieve 4 realize the vibration effect, can be quick break away from and get into in outer box 1 through filter sieve 4 decline to the ash in coal normal water and the aquatic.

Furthermore, the front side and the rear side of the filter sieve 4 are in an upward arc shape, so that the coal is conveniently protected, and the coal is prevented from being separated from the filter sieve 4.

Furthermore, the screen holes of the filter screen 4 are 0.4mm, so that the loss of the coal dust is reduced, and the dewatering and deashing effects are ensured.

Furthermore, the bottom of the inner cavity of the outer box body 1 is inclined with the left higher and the right lower, so that the separated water and ash can be conveniently gathered to the position of the centralized water outlet 2.

Further, the gear pair 11 includes a driving gear fixedly connected to an output shaft of the vibration driving motor 9 and a driven gear fixedly connected to the support shaft, and the driving gear and the driven gear are engaged with each other.

The working principle is as follows: the coal to be dehydrated and dewatered is conveyed to the left upper side of the filter screen 4 through the through groove 3 on the left side by the conveying belt, the dehydrated and deashed coal is output from the through groove 3 on the right side by the conveying belt, and the filter screen 4 is integrally in an inclined shape with a high left and a low right;

the vibration driving motor 9 drives the driven gear, the supporting shaft and the vibration driving cam 10 to rotate through the driving gear, the rotation of the vibration driving cam 10 changes the supporting position of the filter sieve 4, so that the filter sieve 4 vibrates, under the elastic supporting of the upper supporting rod 5, the supporting sleeve 6 and the supporting spring, the filter sieve 4 can vibrate and perform reciprocating rotation at a certain angle in the rotating shaft, and the vibration dewatering effect is achieved.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a coal processing is with dehydration ash removal device, includes outer box, its characterized in that: the bottom right side of the outer box body is provided with a centralized water outlet, the inner part of the outer box body is provided with a filter sieve, the left end and the right end of the outer box body are both provided with a through groove, the left end of the bottom of the filter sieve is movably connected with a rotating shaft, the front end and the rear end of the rotating shaft are connected with the front side wall and the rear side wall of the inner cavity of the outer box body through shaft seats, the middle part of the lower surface of the filter sieve is connected with an upper supporting rod through a pin shaft, the lower side of the outer wall of the upper supporting rod is sleeved with a supporting sleeve, a supporting spring is supported between the bottom end of the upper supporting rod and the bottom of the inner cavity of the supporting sleeve, the bottom of the supporting sleeve is connected with the bottom of the inner cavity of the outer box body through a pin shaft, the, the supporting shaft extends to the outer side of the mounting fork frame, and the supporting shaft is connected with an output shaft of the vibration driving motor through a gear pair.

2. The coal processing dewatering and deashing device of claim 1, characterized in that: the front side and the rear side of the filter screen are in an upward arc shape.

3. The coal processing dewatering and deashing device of claim 1, characterized in that: the sieve mesh of the filter sieve is 0.4 mm.

4. The coal processing dewatering and deashing device of claim 1, characterized in that: the bottom of the inner cavity of the outer box body is inclined with the left higher and the right lower.

5. The coal processing dewatering and deashing device of claim 1, characterized in that: the gear pair comprises a driving gear and a driven gear, the driving gear is fixedly connected to an output shaft of the vibration driving motor, the driven gear is fixedly connected to the supporting shaft, and the driving gear is meshed with the driven gear.

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