CN210058395U

CN210058395U - Coal pulverizer with anti-blocking effect based on iron making

Info

Publication number: CN210058395U
Application number: CN201920820633.5U
Authority: CN
Inventors: 孟景
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-14
Anticipated expiration: 2029-06-03

Abstract

The utility model provides a coal pulverizer based on iron-smelting is with having anti-blocking effect belongs to crushing apparatus technical field, which comprises an outer shell, shell upper portion intercommunication has the inlet pipe, the inside abrasive material that is provided with of shell awl, abrasive material awl lateral wall is provided with a plurality of recesses that distribute along abrasive material awl circumference, and abrasive material awl bottom is connected with actuating mechanism, the recess falls into the abrasive brick that a plurality of top-down diameter increases in proper order with the abrasive material awl. In the embodiment of the utility model, the grinding cone is divided into a plurality of grinding blocks with diameters increasing from top to bottom through the grooves, so that the gap between the grinding cone and the shell is gradually reduced, and the coal blocks are crushed step by step, thereby being convenient for improving the crushing efficiency of the coal blocks; through the arrangement of the groove, part of the coal blocks can be contained in the groove, and the coal blocks gradually slide out of the groove along with the rotation of the abrasive cone to be ground and crushed, so that the phenomenon of blocking caused by too many coal blocks between the abrasive cone and the shell is avoided.

Description

Coal pulverizer with anti-blocking effect based on iron making

Technical Field

The utility model relates to a crushing apparatus specifically is a coal pulverizer with prevent stifled effect based on ironmaking.

Background

In production plants, such as steel mills and thermal power plants, which rely on coal to provide heat or power, coal mills are used in large quantities, which are machines that crush and grind coal briquettes into pulverized coal, and the existing coal mills mainly include ball mills, roller mills, fan mills, and the like, according to different working principles.

The operating principle of current coal pulverizer is mostly through setting up a grinding roller in a casing inside, and rotation through grinding roller mutually supports with the casing and carries out crushing processing to the coal cinder, however this kind of crushing mode has following problem at least: when the number of coal briquettes between the grinding roller and the shell is large, the resistance of the grinding roller is increased, the normal operation of the grinding roller is further influenced, the grinding roller is seriously blocked, and the equipment is damaged.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the embodiment of the utility model provides a technical problem who solves provides one kind and prevents stifled effect with having based on the coal pulverizer of iron-smelting.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a coal pulverizer based on iron-making is with having anti-blocking effect, includes the shell, shell upper portion intercommunication has the inlet pipe, the inside abrasive material awl that is provided with of shell, abrasive material awl lateral wall is provided with a plurality of recesses that distribute along abrasive material awl circumference, and abrasive material awl bottom is connected with actuating mechanism, the grinding block that the recess divide into a plurality of top-down diameter with the abrasive material awl and increase in proper order.

As a further improvement of the utility model: the base is arranged at the bottom of the shell and is of a convex structure, the base is fixedly connected with the shell through a plurality of connecting rods, and a discharge hole is formed between the connecting rods.

As a further improvement of the utility model: the driving mechanism comprises a motor, a third bevel gear, a second bevel gear and a rotating rod; the motor is fixedly arranged on the upper part of the bottom plate, the output end of the motor is fixedly connected with a rotating shaft, and one end of the rotating shaft, which is far away from the motor, penetrates through the bracket and is fixedly connected with the second bevel gear; one end of the rotating rod is fixedly connected with the abrasive cone, the other end of the rotating rod penetrates through the base to be rotatably connected with the bottom plate, a fixed block is fixedly connected to the outer portion of the rotating rod, and a bearing is assembled at the connecting position of the rotating rod and the base; the third bevel gear is fixedly connected to the outer side of the fixing block, and the second bevel gear is meshed with the third bevel gear.

As a further improvement of the utility model: the outer side of the base is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear.

As a further improvement of the present invention: the shell is composed of two half shells which are identical in size and connected into a whole through bolts.

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

in the embodiment of the utility model, the grinding cone is divided into a plurality of grinding blocks with diameters increasing from top to bottom through the grooves, so that the gap between the grinding cone and the shell is gradually reduced, and the coal blocks are crushed step by step, thereby being convenient for improving the crushing efficiency of the coal blocks; through the arrangement of the groove, part of the coal blocks can be contained in the groove, and the coal blocks gradually slide out of the groove along with the rotation of the abrasive cone to be ground and crushed, so that the phenomenon of blocking caused by too many coal blocks between the abrasive cone and the shell is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a coal mill with an anti-blocking effect based on iron making;

FIG. 2 is a schematic structural diagram of a shell in a coal mill with an anti-blocking effect based on iron making;

FIG. 3 is a schematic view of the bottom structure of a casing of a coal mill with an anti-blocking effect based on iron making;

in the figure: 1-feeding pipe, 2-shell, 3-grinding cone, 4-groove, 5-base, 6-first bevel gear, 7-second bevel gear, 8-motor, 9-bottom plate, 10-rotating shaft, 11-bracket, 12-third bevel gear, 13-fixed block, 14-rotating rod, 15-connecting rod and 16-discharging opening.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 and 3, the embodiment provides a coal mill with an anti-blocking effect for iron making, which includes a housing 2, wherein the upper portion of the housing 2 is communicated with a feeding pipe 1, the bottom of the housing 2 is provided with a base 5, the base 5 is in a convex structure, the base 5 and the housing 2 are fixedly connected through a plurality of connecting rods 15, and a discharge port 16 is formed between the plurality of connecting rods 15; the inside abrasive material awl 3 that is provided with of shell 2, the 3 lateral walls of abrasive material awl are provided with a plurality of recesses 4 along 3 circumference distribution of abrasive material awl, and 3 bottoms of abrasive material awl are connected with actuating mechanism, recess 4 falls into the abrasive material awl 3 a plurality of top-down grinding block that the diameter increases in proper order.

Coal blocks are fed into the shell 2 from the feeding pipe 1, the abrasive cone 3 is controlled to rotate in the shell 2 through the driving mechanism, the coal blocks move downwards from a gap between the abrasive cone 3 and the shell 2, the rotation of the abrasive cone 3 is matched with the shell 2 to extrude the coal blocks, and the coal blocks are crushed; the grooves 4 divide the grinding cone 3 into a plurality of grinding blocks with diameters sequentially increasing from top to bottom, so that the gap between the grinding cone 3 and the shell 2 is gradually reduced, and the coal blocks are crushed step by step, so that the crushing efficiency of the coal blocks is improved; through the setting of recess 4 for part coal cinder can the holding in recess 4, along with the rotation of abrasive material awl 3 roll-off recess gradually grinds shredding, has avoided leading to the card phenomenon of dying because of the coal cinder between abrasive material awl 3 and the shell 2 is too much.

The driving mechanism comprises a motor 8, a third bevel gear 12, a second bevel gear 7 and a rotating rod 14; the motor 8 is fixedly arranged on the upper part of the bottom plate 9, the output end of the motor 8 is fixedly connected with a rotating shaft 10, and one end, far away from the motor 8, of the rotating shaft 10 penetrates through the bracket 11 and is fixedly connected with the second bevel gear 7; one end of the rotating rod 14 is fixedly connected with the abrasive cone 3, the other end of the rotating rod penetrates through the base 5 to be rotatably connected with the bottom plate 9, a fixed block 13 is fixedly connected to the outer part of the rotating rod 14, and a bearing is assembled at the joint of the rotating rod 14 and the base 5; the third bevel gear 12 is fixedly connected to the outer side of the fixing block 13, and the second bevel gear 7 is meshed with the third bevel gear 12.

The motor 8 is started, the motor 8 drives the rotating shaft 10 to rotate, the rotating rod 14 is driven to rotate through bevel gear transmission, the grinding cone 3 is driven to rotate inside the shell 2, and the coal blocks are ground and ground.

A first bevel gear 6 is fixedly connected to the outer side of the base 5, and the first bevel gear 6 is meshed with a second bevel gear 7; when the motor 8 drives the grinding material awl 3 to rotate, the second bevel gear 7 drives the first bevel gear 6 to rotate, the first bevel gear 6 drives the base 5 and the shell 2 to rotate, and the rotation direction is opposite to that of the grinding material awl 3, so that the crushing effect of the coal briquette is enhanced.

The working principle of the embodiment is as follows: coal blocks are fed into the shell 2 from the feeding pipe 1, the abrasive cone 3 is controlled to rotate in the shell 2 through the driving mechanism, the coal blocks move downwards from a gap between the abrasive cone 3 and the shell 2, the rotation of the abrasive cone 3 is matched with the shell 2 to extrude the coal blocks, and the coal blocks are crushed; the grooves 4 divide the grinding cone 3 into a plurality of grinding blocks with diameters sequentially increasing from top to bottom, so that the gap between the grinding cone 3 and the shell 2 is gradually reduced, and the coal blocks are crushed step by step, so that the crushing efficiency of the coal blocks is improved; through the setting of recess 4 for part coal cinder can the holding in recess 4, along with the rotation of abrasive material awl 3 roll-off recess gradually grinds shredding, has avoided leading to the card phenomenon of dying because of the coal cinder between abrasive material awl 3 and the shell 2 is too much.

When the motor 8 drives the grinding material awl 3 to rotate, the second bevel gear 7 drives the first bevel gear 6 to rotate, the first bevel gear 6 drives the base 5 and the shell 2 to rotate, and the rotation direction is opposite to that of the grinding material awl 3, so that the crushing effect of the coal briquette is enhanced.

Example 2

Referring to fig. 2, in the embodiment of the coal pulverizer based on iron making and having an anti-blocking effect, compared with embodiment 1, the housing 2 is composed of two half shells which are the same in size and are connected into a whole through bolts, and the two half shells are connected into a whole through bolts, so that the disassembly is convenient, and the grinding cone 3 is overhauled and maintained.

In the embodiment of the utility model, the grinding cone 3 is divided into a plurality of grinding blocks with diameters increasing from top to bottom through the groove 4, so that the gap between the grinding cone 3 and the shell 2 is gradually reduced, and the coal blocks are crushed step by step, thereby being convenient for improving the crushing efficiency of the coal blocks; through the setting of recess 4 for part coal cinder can the holding in recess 4, along with the rotation of abrasive material awl 3 roll-off recess gradually grinds shredding, has avoided leading to the card phenomenon of dying because of the coal cinder between abrasive material awl 3 and the shell 2 is too much.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a coal pulverizer based on iron-making is with having anti-blocking effect, includes shell (2), shell (2) upper portion intercommunication has inlet pipe (1), its characterized in that, shell (2) inside is provided with abrasive material awl (3), abrasive material awl (3) lateral wall is provided with a plurality of recess (4) along abrasive material awl (3) circumference distribution, and abrasive material awl (3) bottom is connected with actuating mechanism, recess (4) fall into the abrasive brick that a plurality of top-down diameter increases in proper order with abrasive material awl (3).

2. The coal mill with the anti-blocking effect for the iron-making base according to the claim 1 is characterized in that a base (5) is arranged at the bottom of the outer casing (2), the base (5) is of a convex structure, the base (5) and the outer casing (2) are fixedly connected through a plurality of connecting rods (15), and a discharge opening (16) is formed between the plurality of connecting rods (15).

3. The coal mill with anti-blocking effect for iron-making according to claim 1, characterized in that the driving mechanism comprises a motor (8), a third bevel gear (12), a second bevel gear (7) and a rotating rod (14); the motor (8) is fixedly arranged on the upper part of the bottom plate (9), the output end of the motor (8) is fixedly connected with a rotating shaft (10), and one end, far away from the motor (8), of the rotating shaft (10) penetrates through the support (11) and is fixedly connected with the second bevel gear (7); one end of the rotating rod (14) is fixedly connected with the grinding cone (3), the other end of the rotating rod penetrates through the base (5) to be rotatably connected with the bottom plate (9), a fixed block (13) is fixedly connected to the outer part of the rotating rod (14), and a bearing is assembled at the joint of the rotating rod (14) and the base (5); the third bevel gear (12) is fixedly connected to the outer side of the fixed block (13), and the second bevel gear (7) is meshed with the third bevel gear (12).

4. The coal mill with the anti-blocking effect based on iron making according to claim 3, characterized in that a first bevel gear (6) is fixedly connected to the outer side of the base (5), and the first bevel gear (6) is meshed with a second bevel gear (7).

5. The coal pulverizer with anti-clogging effect for iron-making based on claim 1 or 2, characterized in that the casing (2) is composed of two half shells that are identical in size and are connected in one piece by bolts.