CN216605468U

CN216605468U - Ball-milling, screening and ball coal separation integrated device

Info

Publication number: CN216605468U
Application number: CN202122830147.1U
Authority: CN
Inventors: 杨振; 汪远; 史记熙; 刘子豪; 覃慧
Original assignee: China City Environment Protection Engineering Ltd
Current assignee: China City Environment Protection Engineering Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-27
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of material crushing and screening equipment, and particularly relates to a ball milling, screening and ball coal separation integrated device which comprises a shell, a ball mill and a belt magnetic separator; the ball mill and the belt magnetic separator are both arranged in the shell, and the belt magnetic separator is positioned right below the ball mill; the ball mill is provided with a feed inlet and a discharge outlet, the feed inlet is sealed by a flange, and the discharge outlet is provided with a detachable screening sheet; the bottom of the shell is provided with a coal outlet and a steel ball outlet, and the coal outlet and the steel ball outlet are respectively positioned under the rollers at two ends of the belt magnetic separator. The utility model not only can realize raw coal crushing and pulverized coal particle size screening, but also can solve the problems of low efficiency of manual separation of steel balls and coal blocks and the like when the ground coal is replaced.

Description

Ball-milling, screening and ball coal separation integrated device

Technical Field

The utility model belongs to the technical field of material crushing and screening equipment, and particularly relates to an integrated device for ball milling, screening and ball coal separation.

Background

The coal-based activated carbon is prepared by mixing coal powder with a certain particle size as a raw material with a binder, an additive and the like to form a raw material and then performing a carbonization activation process. The purchased raw coal is usually in a block shape and can be used as a raw material for preparing the activated carbon after being crushed into coal powder with a certain particle size. The ball mill is a common raw coal crushing device, and takes a certain amount of steel balls with different sizes as grinding media to crush and grind raw coal. The grinding effect and the particle size of the pulverized coal are greatly influenced by the grinding time and the type of raw coal, and the conditions of insufficient grinding and large pulverized coal particle size which do not meet the requirements exist in actual production and experiments. In addition, when the crushed coal is replaced, in order to avoid the impurity of the obtained coal powder, a steel ball in the coal mill and an uncrushed coal block need to be taken out and separated, and the manual separation takes long time, has low efficiency and is not beneficial to production practice.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide an integrated device for ball milling, screening and ball coal separation for production or experiments, which can realize raw coal crushing and pulverized coal particle size screening and solve the problems of low efficiency and the like of manual separation of steel balls and coal blocks when the type of ground coal is changed.

In order to achieve the purpose, the technical scheme of the utility model is an integrated device for ball milling, screening and ball coal separation, which comprises a shell, a ball mill and a belt magnetic separator; the ball mill and the belt magnetic separator are both arranged in the shell, and the belt magnetic separator is positioned right below the ball mill; the ball mill is provided with a feed inlet and a discharge outlet, the feed inlet is sealed by a flange, and the discharge outlet is provided with a detachable screening sheet; the bottom of the shell is provided with a coal outlet and a steel ball outlet, and the coal outlet and the steel ball outlet are respectively positioned under the rollers at two ends of the belt magnetic separator.

Furthermore, both ends of the cylinder of the ball mill are provided with rotating shafts, and the rotating shaft at one end is connected with the motor.

Further, the barrel of the ball mill is in an inverted cone structure at the position of the discharge port.

Furthermore, the inside of the shell is divided into an upper layer and a lower layer by a partition plate, the ball mill is positioned in an upper layer space, and the belt magnetic separator is positioned in a lower layer space; the baffle is the back taper structure, the bottom of baffle is equipped with the opening.

Further, the belt magnetic separator comprises a left side roller, a right side roller and a belt, wherein the left side roller and the right side roller are connected through the belt; the lower side of the upper belt part, the right side in the right side roller and the upper side of the lower belt part are all provided with fixed magnetic plates.

Furthermore, the coal outlet is positioned right below the right side roller, and the steel ball outlet is positioned right below the left side roller.

Furthermore, the outer shell is of an inverted cone structure at the position of the coal outlet, and the outer shell is of an inverted cone structure at the position of the steel ball outlet.

Further, the bottom of the housing is supported on a foot rest.

Further, a top cover is arranged at the top of the shell.

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

(1) when the ball mill is in a working state, the pulverized coal meeting the particle size is screened out through the screening sheet, so that particles which have larger particle sizes and do not meet the requirements are prevented from appearing in the pulverized coal; when the crushed coal needs to be replaced, the sieve sheet is removed, the steel balls and the coal blocks fall onto a belt magnetic separator and are separated by the belt magnetic separator, the non-magnetic coal blocks fall to a coal outlet for collection, and the magnetic steel balls fall to a steel ball outlet for collection, so that the separation of the coal balls can be efficiently realized;

(2) the fixed magnetic plates are arranged on the lower side of the upper belt part of the belt magnetic separator, the right side in the right roller and the upper side of the lower belt part, so that the separation of the steel balls and the coal blocks can be realized by clockwise rotation of the belt.

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 diagram of an integrated ball milling, screening and coal ball separating device provided in an embodiment of the present invention;

in the figure: 1. a housing; 101. a top cover; 2. an electric motor; 3. a rotating shaft; 4. a ball mill; 401. a feed inlet; 402. a flange; 403. a discharge port; 404. screening the slices; 5. a belt magnetic separator; 501. a belt; 502. fixing the magnetic plate; 6. a foot rest; 7. an opening; 8. a coal outlet; 9. and (4) a steel ball outlet.

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1, an embodiment of the present invention provides an integrated device for ball milling, sieving and ball coal separation, which includes a housing 1, a ball mill 4 and a belt magnetic separator 5; the ball mill 4 and the belt magnetic separator 5 are both arranged in the shell 1, and the belt 501 is magnetically separated and positioned right below the ball mill 4; a feed inlet 401 and a discharge outlet 403 are arranged on the ball mill 4, the feed inlet 401 is sealed by a flange 402, and the discharge outlet 403 is provided with a detachable screening sheet 404; the bottom of the shell 1 is provided with a coal outlet 8 and a steel ball outlet 9, and the coal outlet 8 and the steel ball outlet 9 are respectively positioned under the rollers at two ends of the belt magnetic separator 5. When the ball mill 4 of the embodiment is in a working state, the pulverized coal meeting the particle size is screened out through the screening slice 404, so that particles which have larger particle sizes and do not meet the requirements are avoided; when broken coal needs to be replaced, the screening sheet 404 is removed, the steel balls and the coal blocks fall out of the belt magnetic separator 5 and are separated by the belt magnetic separator 5, nonmagnetic coal blocks fall to the coal outlet 8 for collection, magnetic steel balls fall to the steel ball outlet 9 for collection, and the coal ball separation can be efficiently realized.

Specifically, in the present embodiment, the feed port 401 of the barrel of the ball mill 4 is sealed by a flange 402 containing a rubber ring when the ball mill 4 is in an operating state; when it is desired to charge raw coal, the feed port 401 is rotated to the uppermost position and the flange 402 is opened to charge the raw coal. The discharge port 403 on the cylinder of the ball mill 4 is provided with a sealing ring and a detachable and replaceable screening sheet 404.

Further, both ends of the cylinder of the ball mill 4 are provided with a rotating shaft 3, and the rotating shaft 3 at one end is connected with the motor 2. In this embodiment, the rotating shafts 3 at the two ends of the cylinder of the ball mill 4 are installed on the frame through bearings, and the motor 2 drives the rotating shafts 3 to rotate, so that the cylinder of the ball mill 4 is driven to rotate, and ball milling is realized.

Further, the cylinder of the ball mill 4 is in an inverted cone structure at the position of the discharge port 403. As shown in FIG. 1, when the crushed coal needs to be replaced, the discharge port 403 of the cylinder of the ball mill 4 is rotated to the lowest position, and the inverted cone structure is beneficial to dropping the steel balls and the coal blocks onto the belt magnetic separator 5 more quickly and efficiently.

Furthermore, the inside of the shell 1 is divided into an upper layer and a lower layer by a partition board, the ball mill 4 is positioned in an upper layer space, and the belt magnetic separator 5 is positioned in a lower layer space; the baffle is the back taper structure, the bottom of baffle is equipped with opening 7. As shown in fig. 1, the inside of the casing 1 is divided into an upper layer and a lower layer by a partition plate, and when the ball mill 4 is in an operating state, the pulverized coal having a particle size is sieved by the sieving plate 404, falls onto the partition plate having an inverted conical structure, and falls onto the belt magnetic separator 5 through the opening 7 at the bottom.

Further, the belt magnetic separator 5 comprises a left-side roller, a right-side roller and a belt 501, wherein the left-side roller and the right-side roller are connected through the belt 501; the underside of the upper belt portion, the right side in the right drum, and the upper side of the lower belt portion are all provided with fixed magnetic plates 502. Furthermore, the coal outlet 8 is positioned right below the right-side roller, and the steel ball outlet 9 is positioned right below the left-side roller. In the embodiment, the belt magnetic separator 5 is used for receiving the pulverized coal screened by the ball mill 4 and steel balls and coal blocks which need to be separated when the crushed coal is replaced; the belt 501 is used for bearing and transporting objects, the opening 7 is located right above the middle of the belt 501, and the fixed magnetic plates 502 are arranged on the right lower side of the upper belt part, the right side in the right side roller and the upper side of the lower belt part and used for providing a magnetic field, so that the separation of steel balls and coal briquettes is realized. When the ball mill 4 is in a working state, the pulverized coal falls on the belt 501 rotating clockwise, and finally passes through the coal outlet 8 to be collected; when needing to change broken coal type, steel ball and coal cinder drop on clockwise rotation's belt 501, when passing through the right side cylinder, nonmagnetic coal cinder is collected through coal material export 8, and the steel ball is attracted by magnetic field and can not drop, and the left side cylinder of no magnetic field is separated with the belt when time, collects from steel ball export 9.

Furthermore, the outer shell 1 is in an inverted cone structure at the position of the coal outlet 8, and the outer shell 1 is in an inverted cone structure at the position of the steel ball outlet 9. The shell 1 of the embodiment adopts inverted cone structures at the position of the coal outlet 8 and the position of the steel ball outlet 9, so that the materials can be discharged conveniently.

Further, the bottom of the housing 1 is supported on a foot rest 6. The bottom of the shell 1 of the embodiment is supported on a foot rest 6, and a reserved space below the shell is used for collecting steel balls, coal dust and coal briquettes.

Further, a top cover 101 is arranged at the top of the shell 1; when raw coal is added, the sieve piece 404 is replaced and the crushed coal needs to be replaced, the top cover 101 is opened to facilitate operation; during coal grinding, the top cover 101 is closed to reduce coal dust leakage and avoid environmental pollution.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a ball-milling, screening and ball coal separation integrated device which characterized in that: comprises a shell, a ball mill and a belt magnetic separator; the ball mill and the belt magnetic separator are both arranged in the shell, and the belt magnetic separator is positioned right below the ball mill; the ball mill is provided with a feed inlet and a discharge outlet, the feed inlet is sealed by a flange, and the discharge outlet is provided with a detachable screening sheet; the bottom of the shell is provided with a coal outlet and a steel ball outlet, and the coal outlet and the steel ball outlet are respectively positioned under the rollers at two ends of the belt magnetic separator.

2. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the two ends of the barrel of the ball mill are provided with rotating shafts, and the rotating shaft at one end is connected with the motor.

3. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the barrel of the ball mill is in an inverted cone structure at the position of the discharge port.

4. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the shell is internally divided into an upper layer and a lower layer by a partition plate, the ball mill is positioned in an upper layer space, and the belt magnetic separator is positioned in a lower layer space; the baffle is the back taper structure, the bottom of baffle is equipped with the opening.

5. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the belt magnetic separator comprises a left-side roller, a right-side roller and a belt, wherein the left-side roller and the right-side roller are connected through the belt; the lower side of the upper belt part, the right side in the right side roller and the upper side of the lower belt part are all provided with fixed magnetic plates.

6. The integrated ball milling, screening and coal ball separating device of claim 5, wherein: the coal outlet is positioned under the right side roller, and the steel ball outlet is positioned under the left side roller.

7. The integrated ball milling, screening and coal ball separating device of claim 6, wherein: the shell is in the position of coal material export and is the back taper structure, the shell is in the position of steel ball export is the back taper structure.

8. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the bottom of the shell is supported on a foot rest.

9. The integrated ball milling, screening and coal ball separating device as set forth in claim 1, wherein: the top of shell is equipped with the top cap.