CN220657719U - Coal pulverizer - Google Patents

Abstract

The utility model discloses a coal pulverizer for pulverized coal, which comprises a hopper, wherein the bottom end of the hopper is communicated with a crushing bin, a crushing structure is arranged in the crushing bin, the bottom end of the crushing bin is provided with a base, the crushing bin consists of a top cover and a bottom cover, the top end of the bottom cover is provided with a transmission bin, an auger disc is arranged in the transmission bin, one end of the auger disc penetrates through the transmission bin and is fixedly connected with a motor shaft of a driving motor, a blanking groove is formed in the bottom end of the transmission bin and is communicated with the inner space of the bottom cover, the crushing structure comprises a rotating shaft, rotating discs fixed on the outer side of the rotating shaft, grinding sheets fixed on the outer side of the rotating discs and driving blades fixed on the front end of the rotating shaft, and the rotating shaft is fixed between the transmission bin and the bottom cover.

Description

Coal pulverizer

Technical Field

The utility model relates to the field of coal mill devices, in particular to a coal mill for coal dust.

Background

Coal is required to be ground into powder before being combusted, because if the coal blocks are directly combusted, the coal blocks are not thoroughly combusted, waste is caused, a large coal mill cannot be used in many positions, firstly, the cost is very high, and secondly, the large coal mill is very large in size, and the large coal mill is not suitable for being used in a small combustion site.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the coal powder coal mill, through the crushing bin and the crushing structure, a user can pour coal blocks into a hopper, the coal blocks are driven by a packing auger disc, fall down in a blanking groove and enter a bottom cover, the coal blocks are influenced by a belt pulley at the front end of a rotating shaft, an external power source drives the belt pulley to rotate, a plurality of groups of rotating discs drive outer abrasive discs to rotate on the rotating shaft, the abrasive discs which do not stop rotating can press the coal blocks to contact with the inner side wall of the bottom cover, the coal blocks are crushed into small coal blocks, the grinding effect is realized, and the driving leaves at the top end can drive the crushed small coal block structures out of a discharge hole, so that the coal powder coal mill is convenient for the user to collect.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a coal pulverizer, includes the hopper, the bottom and the broken storehouse intercommunication of hopper, be provided with broken structure in the broken storehouse, the bottom in broken storehouse is provided with the base, broken storehouse comprises top cap and bottom, and the top of bottom is provided with the transmission storehouse, be provided with the auger dish in the transmission storehouse, just the one end of auger dish runs through transmission storehouse and driving motor's motor shaft fixed connection, the silo down has been seted up to the bottom in transmission storehouse, silo and bottom inner space intercommunication down, including the axis of rotation in the broken structure, be fixed with the rolling disc in the axis of rotation outside, the outside of rolling disc is fixed with the abrasive disc and be fixed with the driving leaf of axis of rotation front end, the axis of rotation is fixed in between transmission storehouse and the bottom.

As a preferable technical scheme of the utility model, a plurality of groups of rotating discs are equidistantly arranged on a rotating shaft, the outer side of each group of rotating discs is fixedly provided with a convex structure, the middle part of each convex structure is provided with a positioning hole structure, the grinding disc is of a pi-shaped structure, the middle part of the grinding disc is clamped on two sides of the convex structure and is matched with round holes formed in the grinding disc through the positioning holes, and fastening bolts are arranged in the positioning holes.

As a preferable technical scheme of the utility model, a plurality of groups of side bars are fixed on the inner side wall of the bottom cover.

As a preferable technical scheme of the utility model, one side of the bottom end of the bottom cover is communicated with a discharging pipe, and the driving blade and the discharging pipe are in phase fit.

As a preferable technical scheme of the utility model, a belt pulley is fixed on the outer side of the rotating shaft at the outermost end, and one end of the belt pulley is connected with an external power source through belt transmission.

As a preferable technical scheme of the utility model, the bottom end of the hopper is communicated with one side of the top end of the delivery bin.

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

in this device, through broken storehouse and broken structure that sets up, the user can pour the coal cinder into in the hopper, the coal cinder receives auger dish's drive, in the unloading inslot, get into the bottom, receive the belt pulley influence of axis of rotation front end, external power source drives the belt pulley and rotates, in the axis of rotation, multiunit rolling disc drives the abrasive disc in the outside and rotates, and the abrasive disc of incessantly rotating can push down the coal cinder and the inside wall contact of bottom, and then break into little coal cinder, realize the effect of grinding, and the driving leaf on top can drive out the little coal cinder structure of grinding to the discharge gate, facilitate the use user collects, so this device is compared with current structure, can realize fast operation, can realize the quick breakage to the appointed size to the coal cinder on the multiunit rolling disc, and the broken structure in this device is small and exquisite, adopt vertical multiple broken structure, satisfy the operation requirement in narrow and small space.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a structural exploded view of the present utility model;

fig. 3 is an exploded view of the structure of the present utility model.

Wherein: 1. a hopper; 2. a base; 3. crushing bin; 31. a top cover; 32. a bottom cover; 321. side bars; 33. a transfer bin; 331. an auger disc; 332. discharging groove; 333. a driving motor; 4. a crushing structure; 41. a rotating shaft; 42. a rotating disc; 43. grinding; 44. expelling leaves; 45. a belt pulley.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-3, the utility model provides a coal pulverizer, which comprises a hopper 1, wherein the bottom end of the hopper 1 is communicated with a crushing bin 3, a crushing structure 4 is arranged in the crushing bin 3, the bottom end of the crushing bin 3 is provided with a base 2, the crushing bin 3 consists of a top cover 31 and a bottom cover 32, the top end of the bottom cover 32 is provided with a transmission bin 33, an auger disc 331 is arranged in the transmission bin 33, one end of the auger disc 331 penetrates through the transmission bin 33 and is fixedly connected with a motor shaft of a driving motor 333, a blanking groove 332 is formed in the bottom end of the transmission bin 33, the blanking groove 332 is communicated with the inner space of the bottom cover 32, the crushing structure 4 comprises a rotating shaft 41, a rotating disc 42 fixed on the outer side of the rotating disc 41, a grinding disc 43 fixed on the outer side of the rotating disc 42 and a driving blade 44 fixed on the front end of the rotating shaft 41, and the rotating shaft 41 is fixed between the transmission bin 33 and the bottom cover 32.

In other embodiments, a plurality of groups of rotating discs 42 are equidistantly arranged on a rotating shaft 41, the outer side of each group of rotating discs 42 is fixedly provided with a protruding structure, the middle of each protruding structure is provided with a positioning hole structure, a grinding disc 43 is of a pi-shaped structure, the middle of the grinding disc 43 is clamped on two sides of the protruding structure and matched with round holes formed in the grinding disc 43 through the positioning holes, fastening bolts are arranged in the positioning holes, a plurality of groups of side bars 321 are fixed on the inner side wall of a bottom cover 32, one side of the bottom end of the bottom cover 32 is communicated with a discharging pipe, driving blades 44 and the discharging pipe are in fit, the outer side of the rotating shaft 41 at the outermost end is fixedly provided with a belt pulley 45, one end of the belt pulley 45 is connected with an external power source through belt transmission, and the bottom end of a hopper 1 is communicated with one side of the top end of a transmission bin 33; through broken storehouse 3 and broken structure 4 that set up, the user can pour the coal cinder into hopper 1, the coal cinder receives auger dish 331's drive, in unloading groove 332 whereabouts, get into bottom 32, receive the belt pulley 45 influence of axis of rotation 41 front end, external power source drives belt pulley 45 and rotates, on axis of rotation 41, multiunit rolling disc 42 drives the abrasive disc 43 in outside and rotates, and incessantly pivoted abrasive disc 43 can push down the coal cinder and bottom 32's inside wall contact, and then break into little coal cinder, realize the effect of grinding, and the driving leaf 44 on top can drive out the little coal cinder structure of grinding to the discharge gate, facilitate the user collects, so this device is than with current structure, can realize fast operation, the abrasive disc 43 structure on the multiunit rolling disc 42 of cooperation every group of rolling disc 42, can realize the quick breakage to the appointed size to the coal cinder, satisfy the use needs.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a coal pulverizer, includes hopper (1), its characterized in that: the utility model discloses a crushing bin, including hopper (1), crushing bin (3), screw driver (44) and driving blade (33), the bottom and crushing bin (3) intercommunication, be provided with crushing structure (4) in crushing bin (3), the bottom of crushing bin (3) is provided with base (2), crushing bin (3) comprises top cap (31) and bottom (32), and the top of bottom (32) is provided with transmission bin (33), be provided with auger dish (331) in transmission bin (33), just the one end of auger dish (331) runs through transmission bin (33) and driving motor (333) motor shaft fixed connection, silo (332) have been seted up to the bottom of transmission bin (33), silo (332) and bottom (32) inner space intercommunication down, including axis of rotation (41), rolling disc (42) that are fixed with in the outside of axis of rotation (41), rolling disc (42) are fixed with and are fixed in driving blade (44) of rotation (41) of rotation front end, axis (41) are fixed in between transmission bin (33) and bottom (32).

2. The coal pulverizer of claim 1, wherein: the rotary disc (42) is provided with a plurality of groups on the rotary shaft (41) at equal intervals, each group of rotary disc (42) is provided with a protruding structure on the outer side, a locating hole structure is formed in the middle of the protruding structure, the grinding disc (43) is of a pi-shaped structure, the middle of the grinding disc (43) is clamped on two sides of the protruding structure, round holes formed in the locating holes and the grinding disc (43) are matched, and fastening bolts are arranged in the locating holes.

3. The coal pulverizer of claim 1, wherein: a plurality of groups of side bars (321) are fixed on the inner side wall of the bottom cover (32).

4. The coal pulverizer of claim 1, wherein: the bottom end side of the bottom cover (32) is communicated with a discharging pipe, and the driving blade (44) and the discharging pipe are in fit.

5. The coal pulverizer of claim 1, wherein: a belt pulley (45) is fixed on the outer side of the rotating shaft (41) at the outermost end, and one end of the belt pulley (45) is in transmission connection with an external power source through a belt.

6. The coal pulverizer of claim 1, wherein: the bottom end of the hopper (1) is communicated with one side of the top end of the delivery bin (33).