CN215744742U

CN215744742U - Coal slime vibration classifying screen

Info

Publication number: CN215744742U
Application number: CN202122121023.6U
Authority: CN
Inventors: 芦浩浩; 张建雷; 冯小化; 孙红强; 王建涛; 刘利亚; 杨晓松; 信延才; 孙涛; 王勇; 陈品; 韩凯
Original assignee: Henan Yongjin Energy Co Ltd
Current assignee: Henan Yongjin Energy Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model belongs to the technical field of screening equipment, and particularly discloses a coal slime vibration grading screen which comprises a screen mesh, wherein the screen mesh comprises a first screen mesh and a second screen mesh which are parallel to each other, the first screen mesh is positioned above the second screen mesh, and the mesh number of the first screen mesh is smaller than that of the second screen mesh, wherein the side edges of the first screen mesh and the second screen mesh are respectively provided with a first side plate and a second side edge, and the second screen mesh is provided with an outlet which is used for guiding coal slime falling to the lower end of the second screen mesh to move towards the side edge of the second screen mesh; the device effectively improves the screening quality and the screening efficiency so as to meet the production requirement.

Description

Coal slime vibration classifying screen

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a coal slime vibration grading screen.

Background

At present, coal slime is mostly screened by adopting a vibrating screen, but the existing vibrating screen has the following problems:

large-particle coal slime screened by the vibrating screen is mixed with a large amount of small-particle coal slime meeting the screening requirement, the screening efficiency is low, and the quality is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide the coal slime vibration classifying screen, which improves the screening quality and the screening efficiency so as to meet the production requirements.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a coal slime vibration classifying screen, includes the screen cloth, the screen cloth includes first screen cloth and the second screen cloth that is parallel to each other, first screen cloth is located the top of second screen cloth, just the mesh number of first screen cloth is less than the mesh number of second screen cloth, wherein, the side of first screen cloth and second screen cloth is equipped with first curb plate and second curb plate respectively, just the second screen cloth is equipped with and is used for the guide to roll the coal slime of second screen cloth lower extreme to the export removal of the side of locating the second screen cloth.

Further, including stand and spring, the upper end of stand is through spring coupling supporting beam, supporting beam and screen cloth are connected, just the screen cloth is connected with the vibrator.

Further, the second screen is connected with the first screen through a second side plate.

Further, first screen cloth and second screen cloth all are equipped with rabbling mechanism, rabbling mechanism is used for turning over the coal slime.

Further, rabbling mechanism includes (mixing) shaft and drive division, the (mixing) shaft is followed the width direction of first screen cloth or second screen cloth and is followed and stretch, just the equipartition has the tooth of pulling out on the (mixing) shaft, drive division drive (mixing) shaft rotates, and then makes the tooth of pulling out upwards turn over dial from first screen cloth or second screen cloth and get the coal slime that the upper end flows to the lower extreme.

Furthermore, the number of the stirring shafts is multiple, and the stirring shafts are arranged from the upper end to the lower end of the first screen or the second screen.

Further, the driving part includes a first motor.

Further, still include the buffer hopper, the discharge gate of buffer hopper is connected through dialling the material mechanism the upper end of screen cloth, dialling the material mechanism and being used for driving the coal slime in the buffer hopper at the uniform velocity and falling into the upper end of screen cloth.

Further, the material stirring mechanism comprises an impeller and a second motor for driving the impeller to rotate, and the upper end of the impeller extends into the discharge hole.

The beneficial technical effects of the utility model are as follows:

compared with the prior art, the coal slime vibration grading sieve provided by the utility model has the advantages that the structure is different, the step-by-step coal slime sieving is realized by arranging the first screen and the second screen with different meshes, specifically, the first screen is utilized to enable small-particle coal slime meeting production requirements to be quickly separated from large-particle coal slime, then the second screen is utilized to separate medium-particle coal slime from small-particle coal slime, and finally the small-particle coal slime meeting the production requirements is obtained.

In addition, can realize separating step by step the coal slime according to particle size through this device to can classify respectively the coal slime of the different particle size who sieves out, then select the crushing apparatus who corresponds crushing degree to smash, avoid the coal slime of different particle size to use same crushing apparatus thoughtlessly, lead to smashing inefficiency, the energy consumption is big.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a coal slurry vibrating classifying screen.

Fig. 2 is a schematic full sectional structure view of fig. 1.

In the figure: 1. upright post, 2 spring, 3 supporting beam, 4 stock guide plate, 5 outlet,

6. a first side plate, 7, a second side plate, 8, a first motor, 9, a vibrator, 10, an impeller,

11. the second motor, 12, the buffer bucket, 13, the (mixing) shaft, 14, dial the tooth.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. 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.

Examples

As shown in fig. 1 and 2, a coal slurry vibrating classifying screen as a preferred embodiment of the present invention includes a screen for receiving coal slurry to be screened, and specifically, the screen includes a first screen 15 and a second screen 16 which are parallel to each other, the first screen 15 is located above the second screen 16, both of which are disposed obliquely, i.e., one end is high and the other end is low, so as to facilitate the flow of the coal slurry, and the mesh size of the first screen 15 is smaller than that of the second screen 16, larger-sized particles in the coal slurry are filtered step by using the first screen 15 and the second screen 16, and then coal slurry particles having a desired size are obtained below the screens, wherein the first screen 15 and the second screen 16 are provided at side edges thereof with a first side plate 6 and a second side plate 7, respectively, so as to block the coal slurry on the first screen 15 or the second screen 16 from being separated from the side edges, and the second screen 16 is provided with an outlet 5 for guiding the coal slurry rolled down to the lower end of the second screen 16 to move toward the side edge of the second screen 16, so that the large granule coal slime on the first screen cloth 15 is directly discharged along the lower extreme of first screen cloth 15, the side of second screen cloth 16 is discharged from to the well granule coal slime on the second screen cloth 16, and finally the below of second screen cloth 16 is fallen to the tiny particle coal slime of second screen cloth 16 through the second screen cloth 16 screening, thereby realize screening out the large granule coal slime, well granule coal slime and tiny particle coal slime, and stack it in different positions, avoid mixing, specifically, stock guide 4 slopes to set up, and both ends are connected with the second curb plate 7 of second screen cloth 16 both sides respectively, and the second curb plate 7 that the lower one end of stock guide 4 is connected is equipped with the breach, and then form export 5.

When the coal slime vibration grading sieve is applied, the step-by-step sieving of the coal slime is realized by arranging the first screen 15 and the second screen 16 with different meshes, specifically, the first screen 15 is utilized to enable small-particle coal slime meeting production requirements to be rapidly separated from large-particle coal slime, then the second screen 16 is utilized to separate medium-particle coal slime from small-particle coal slime, and finally the small-particle coal slime meeting the production requirements is obtained;

On the basis of the above-mentioned embodiment, this device includes 4

stands

1 and 4

springs

2, and 4 stands 1's lower extreme all is fixed in ground, specifically, can select to bury in ground in advance, and the upper end of stand 1 all connects supporting beam 3 through spring 2, and supporting beam 3 and screen cloth are connected, and screen cloth or supporting beam 3 are connected with vibrator 9, utilize vibrator 9 to drive the screen cloth and take place the vibration to realize the screening coal slime that falls into on the screen cloth.

On the basis of the above embodiment, the second screen 16 is connected with the first screen 15 through the second side plate 7, so as to keep the first screen 15 and the second screen 16 relatively fixed, thereby forming a double-layer screen, and during the specific installation, the support beam 3 can be used, and it should be noted that the coal slime falling into the second screen 16 is prevented from being stuck due to the small distance between the first screen 15 and the second screen 16.

On the basis of the above embodiment, the first screen 15 and the second screen 16 are both provided with a stirring mechanism, and the stirring mechanism is used for turning over the coal slurry, so as to break up the coal slurry and facilitate separation of the coal slurry with different particle sizes.

Specifically, rabbling mechanism includes (mixing) shaft 13 and drive division, stirring shaft 13 is along the width direction of first screen cloth 15 or second screen cloth 16 along stretching, the both ends of (mixing) shaft 13 can articulate in first curb plate 6 or second curb plate 7 on first screen cloth 15 or second screen cloth 16, and the equipartition has the tooth of pulling out on the (mixing) shaft 13, drive division drive (mixing) shaft 13 rotates, and then make the tooth of pulling out upwards dial from first screen cloth 15 or second screen cloth 16 and get the coal slime that the upper end flows to the lower extreme, in operation, utilize to dial tooth 14 to realize turning over and throwing the coal slime, and then accomplish and break up.

In specific production, for promoting the scattering quality, the number of the stirring shaft 13 can be set to be a plurality of, and the driving part is the first motor 8, and the first motor 8 is fixed on the side plate, and the driving part is arranged at equal intervals from the upper end to the lower end of the first screen 15 or the second screen 16.

For better technical effect, still include the buffering hopper that is used for receiving the coal slime, the discharge gate of buffering hopper lower extreme passes through the upper end of dialling the material mechanism and connecting the screen cloth, and the dialling material mechanism is used for driving the coal slime in the buffering hopper and falls into the upper end of screen cloth at the uniform velocity, avoids the coal slime to pile up too high and the coal slime flow is inhomogeneous on the screen cloth, causes some coal slime not through the screening.

Specifically, the kick-out mechanism includes impeller 10 and drive impeller 10 pivoted second motor 11, and the upper end of impeller 10 stretches into the discharge gate, and the coal slime in buffer hopper 12 falls into the clearance between blade and the blade on impeller 10 under the effect of gravity, and then through impeller 10 homodisperse coal slime.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a coal slime vibration classifying screen, includes the screen cloth, its characterized in that: the screen cloth is including the first screen cloth and the second screen cloth that are parallel to each other, first screen cloth is located the top of second screen cloth, just the mesh number of first screen cloth is less than the mesh number of second screen cloth, wherein, the side of first screen cloth and second screen cloth is equipped with first curb plate and second curb plate respectively, just the second screen cloth is equipped with and is used for the guide to roll the coal slime of falling to second screen cloth lower extreme and removes to the export of locating the side of second screen cloth.

2. The coal slime vibrating classifying screen of claim 1, comprising an upright post and a spring, wherein the upper end of the upright post is connected with a supporting beam through the spring, the supporting beam is connected with a screen, and the screen is connected with a vibrator.

3. The coal slurry vibratory classifying screen of claim 2, wherein the second screen mesh is connected to the first screen mesh by a second side plate.

4. The coal slurry vibrating classifying screen according to claim 1, wherein the first screen and the second screen are provided with a stirring mechanism, and the stirring mechanism is used for turning over the coal slurry.

5. The coal slime vibrating classifying screen as claimed in claim 4, wherein the stirring mechanism comprises a stirring shaft and a driving part, the stirring shaft extends along the width direction of the first screen or the second screen, the stirring shaft is evenly provided with pulling teeth, and the driving part drives the stirring shaft to rotate, so that the pulling teeth are upwards flipped from the first screen or the second screen to obtain the coal slime with upper end flowing to the lower end.

6. The coal slime vibration classifying screen as claimed in claim 5, wherein the number of the stirring shafts is plural and is arranged from the upper end to the lower end of the first screen mesh or the second screen mesh at equal intervals.

7. The coal slurry vibratory classifying screen of claim 6, wherein the drive portion includes a first motor.

8. The coal slime vibration classifying screen of claim 1, further comprising a buffering hopper, wherein a discharge port of the buffering hopper is connected with the upper end of the screen mesh through a material shifting mechanism, and the material shifting mechanism is used for driving the coal slime in the buffering hopper to fall into the upper end of the screen mesh at a constant speed.

9. The coal slime vibration classifying screen as claimed in claim 8, wherein said material stirring mechanism comprises an impeller and a second motor for driving the impeller to rotate, and the upper end of the impeller extends into the discharge hole.