CN212651893U - Coal pulverizer - Google Patents

Abstract

The utility model discloses a coal pulverizer, include the casing, go into feed bin, discharge gate, reducing mechanism, go into the feed bin set firmly in the top of casing and with the casing intercommunication, the bottom of casing is located to the discharge gate, reducing mechanism includes crushing roller, motor, crushing roller is equipped with two, two crushing roller parallel arrangement and mutually support, inside two crushing rollers all located the casing, and exist between crushing roller and the casing lateral wall and be used for making the clearance of crushing roller pivoted, two crushing roller parallel arrangement, the motor is equipped with two, and two motors are connected with two crushing rollers respectively, still be equipped with dust device on the casing. The utility model discloses production efficiency is high, can absorb the dust, the reliability is high, the incorruptibility is high, uses when being applicable to crushing coal, is applicable to and does coal rubbing crusher.

Description

Coal pulverizer

Technical Field

The utility model belongs to the technical field of coal mechanical equipment, a rubbing crusher is related to, especially a coal rubbing crusher.

Background

Coal is an indispensable energy source for human production and life. The coal crushing method is low in yield, the crushed coal is inconsistent in size and size, and labor waste is easily caused.

In order to solve the problems, a coal pulverizer is provided, the coal pulverizer comprises a machine support, the machine support is installed on the left side of a horizontal support, a power bin is arranged above the machine support, a motor is arranged inside the power bin, a motor support is arranged between the motor and the power bin, a pulverizing bin is arranged above the power bin, a pulverizing wheel is arranged inside the pulverizing bin, a pulverizing wheel rotating shaft is arranged at the center of the pulverizing wheel, a transmission belt is arranged between the pulverizing wheel rotating shaft and the motor, a feeding bin is arranged above the pulverizing bin, and a feeding bin cover is arranged at the top of the feeding bin.

Because can raise a large amount of dust when coal is smashed, and this kind of coal rubbing crusher does not be equipped with dust purification device, so it can't purify the dust, arouses operating personnel respiratory system disease easily to, this kind of coal rubbing crusher only is provided with a pair of crushing wheel, and the volume crushing wheel direction of rotation is the same when using, leads to coal to smash inefficiency, influences output.

SUMMERY OF THE UTILITY MODEL

For solving exist among the prior art more than not enough, the utility model aims at providing a coal rubbing crusher to reach the dust can purify, the efficient purpose is smashed to coal.

In order to achieve the above object, the utility model adopts the following technical scheme: a coal pulverizer comprises a shell, a feeding bin, a discharge port and a pulverizing device, wherein the feeding bin is fixedly arranged at the top of the shell and is communicated with the shell, the discharge port is arranged at the bottom of the shell, the pulverizing device comprises two pulverizing rollers and a motor, the two pulverizing rollers are arranged in parallel and are matched with each other, the two pulverizing rollers are arranged inside the shell, a gap for enabling the pulverizing rollers to rotate is formed between the pulverizing rollers and the side wall of the shell, the two pulverizing rollers are arranged in parallel, the motor is provided with two motors which are respectively connected with the two pulverizing rollers, the shell is further provided with a dust settling device, the dust settling device comprises a water pipe, a water tank, a water pump and a connecting pipe, the water pipe is fixedly arranged inside the shell and is positioned above the pulverizing rollers, the water pipe is provided with water spraying holes, the water tank is fixedly arranged outside the shell, the water pump is arranged between the, the water pump is respectively connected with the water tank and the water pump through connecting pipes;

as to the utility model limit: the motor is fixedly arranged outside the shell, an output shaft of the motor is connected with the crushing roller, the output shaft of the motor is coaxially arranged with the crushing roller, and a coupler is arranged between the output shaft of the motor and the crushing roller;

as to the utility model discloses a limit: the bottom of the feeding bin is provided with a bin door which is used for covering the bottom of the feeding bin and can only be opened downwards; one end of the bin door is hinged to the bottom of the bin entering bin, an elastic piece for keeping the bin door in a closed state is arranged on the bin door, one end of the elastic piece is fixedly arranged on the bin door, and the other end of the elastic piece is fixedly arranged on the bin entering bin;

as another limitation to the present invention: the bin door is provided with a sealing strip for sealing a gap between the bin door and the bottom of the feeding bin;

as a further limitation to the present invention: a support is arranged at the bottom of the shell, and a shock pad is arranged between the support and the shell;

as to the utility model discloses a further limit again: the crushing roller is made of 40CrMo material;

as a further limitation to the present invention: and the shell is fixedly provided with a mounting seat for mounting a motor.

Since the technical scheme is used, compared with the prior art, the utility model, the beneficial effect who gains lies in:

(1) the two crushing rollers in the utility model have opposite rotation directions, so that the coal is crushed into small-sized coal by the large-sized coal when passing through the two crushing rollers, the crushing process is shorter, the production efficiency is high, the two crushing rollers are arranged in parallel, the size of the coal crushed by the crushing rollers is consistent, the two arranged motors are respectively connected with the two crushing rollers, namely the two crushing rollers are respectively driven by independent motors, and the production efficiency is further improved; the dust falling device arranged on the shell can effectively reduce dust and avoid respiratory diseases caused by inhalation of a large amount of dust by operators; the utility model discloses well dust device includes water pipe, water tank, water pump, and the water pipe is located the top of casing inside, is equipped with the hole for water spraying on the water pipe, and the water tank sets firmly in the casing outside, is convenient for add water to the water tank, and water tank, water pump, water pipe loop through the connecting pipe and connect, and the water pump carries the water in the water tank to the water pipe after pressurizing, through the hole for water spraying blowout, can effectual absorption parcel dust;

(2) the output shaft of the motor is connected with the crushing roller, the transmission efficiency is high, the output shaft of the motor and the crushing roller are coaxially arranged, the unstable operation of the coal crusher caused by the non-coaxial output shaft of the motor and the non-coaxial crushing roller is avoided, and the reliability and the operation stability of the coal crusher are improved; the shaft coupling is arranged between the motor output shaft and the crushing roller, so that the deviation caused by inaccurate manufacture and installation or deformation or thermal expansion and the like during working between the motor output shaft and the crushing roller can be compensated, the crushing roller is prevented from moving in the using process due to the fact that the motor output shaft and the crushing roller are not coaxial, and the reliability of the coal crusher is further improved;

(3) the utility model discloses well pan feeding storehouse bottom is equipped with the bin gate that can only open downwards that is used for covering the feed bin bottom, and bin gate one end articulates in the bottom of feed bin, and the other end passes through elastic component and is connected with pan feeding storehouse top, and the bin gate receives the coal action of gravity to open downwards when pouring coal into coal rubbing crusher inside, and coal rubbing crusher has the coal splash during operation, and the bin gate can stop every piece that splashes and not pass through feed bin outward and fly off, avoids operating personnel to be damaged by the coal that flies off;

(4) the sealing strip matched with the bottom of the feeding bin is arranged on the middle bin door, so that dust can be effectively prevented from overflowing from the shell through a gap between the bin door and the feeding bin; the bottom of the shell is provided with a support, so that the shell is away from the ground by a certain distance, the coal pulverizer and a conveyor belt can be conveniently matched for use, and a shock pad is arranged between the shell and the support, so that the vibration of the coal pulverizer during operation can be reduced; the crushing roller is made of 40CrMo material, so that the crushing roller has good strength and the durability of the crushing roller is improved.

To sum up, the utility model discloses production efficiency is high, can absorb the dust, the reliability is high, the incorruptibility is high, the security is high, uses when being applicable to crushing coal, is applicable to and is done coal rubbing crusher.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic perspective view of an embodiment of the present invention (when the bin gate is in a closed state);

fig. 2 is a schematic top view of an embodiment of the present invention (when the bin door is in an open state);

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention (when the door is in an open state);

fig. 4 is a schematic bottom view of the embodiment of the present invention (when the bin door is in the open state);

fig. 5 is a partially enlarged view of a portion a in fig. 3.

In the figure: 1-shell, 2-feeding bin, 3-discharging port, 4-crushing roller, 5-motor, 6-coupling, 7-water pipe, 8-water tank, 9-water pump, 10-connecting pipe, 11-bin gate, 12-spring, 13-bracket, 14-shock pad, 15-mounting seat and 16-sealing strip.

Detailed Description

The preferred embodiments of the present invention will be described with reference to the accompanying drawings, it being understood that the coal pulverizer described herein is a preferred embodiment, and is used for illustration and explanation of the present invention only, and is not to be construed as limiting the present invention; the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present embodiment are directions or positional relationships indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example coal pulverizer

This embodiment is shown in fig. 1-5, a coal rubbing crusher, including the casing 1 of cuboid, go into feed bin, discharge gate 3, reducing mechanism, it is rectangle (the area at top is greater than the area of bottom, funnel-shaped promptly) to go into feed bin top and bottom, and the pan feeding storehouse sets firmly in the top of casing 1, and in casing 1 intercommunication, the bottom of casing 1 is located to discharge gate 3.

In order to improve the production efficiency and make the size of the crushed coal consistent, the crushing device comprises two crushing rollers 4 and two motors 5, in order to make the crushing rollers 4 have higher strength and improve the durability of the crushing rollers, the crushing rollers 4 are made of 40CrMo materials, the two crushing rollers 4 are arranged in parallel and matched with each other, the directions of the two crushing rollers 4 are opposite (see fig. 3), the two crushing rollers 4 are arranged inside the shell 1, a gap for rotating the crushing rollers 4 exists between the crushing rollers 4 and the side wall of the shell 1, the motors 5 are arranged in two, a mounting seat 15 for mounting the motors 5 is fixedly arranged on the shell 1, and in order to make the crushing rollers 4 operate stably, the two motors 5 are respectively and coaxially connected with the two crushing rollers 4 through a coupler 6.

This embodiment is in order to reduce the dust, and dust device includes water pipe 7, water tank 8, water pump 9, connecting pipe 10, water pipe 7 sets firmly inside casing 1, and water pipe 7 is located the top of smashing roller 4, be equipped with the hole for water spraying on water pipe 7, water tank 8 sets firmly outside casing 1, water pump 9 is located between water tank 8 and the water pipe 7, and water pump 9 is connected with water tank 8, water pump 9 through connecting pipe 10 respectively.

This embodiment is in order to further prevent that the dust from leaking, prevent coal from coal rubbing crusher internal splash wounded, the bottom of going into the feed bin is equipped with the door 11 that can only open downwards that is used for covering the feed bin bottom of going into, 11 width direction's of door one end articulates in the bottom of going into the feed bin, be equipped with spring 12 on the door 11 (also can select elastic component such as rubber band, spring leaf according to actual demand), spring 12's one end sets firmly on door 11, spring 12's the other end sets firmly in the top of going into the feed bin, in order to further reduce the dust again and leak, the length direction's of door 11 top surface both sides are equipped with and feed bin bottom matched with sealing strip 16, door 11 is equipped with two (to the door).

In order to facilitate the matching of the coal pulverizer and the conveyor belt, a support 13 is arranged at the bottom of the casing 1, and a shock absorption pad 14 is arranged between the support 13 and the casing 1 to reduce the vibration of the coal pulverizer during operation.

When the embodiment is used, firstly, the two motors 5 and the water pump 9 are switched on (at the moment, the crushing roller 4 starts to rotate, and the water pipe 7 starts to spray water); then, coal is poured into the shell 1 through the feeding bin (at this time, the bin gate 11 is opened downwards under the action of gravity of the coal, the coal falls onto the crushing rollers 4, the coal with small size is formed by rolling of the two crushing rollers 4 and falls down, and then the coal falls onto equipment such as a conveyor belt through the discharging port 3).

Claims (8)

1. The utility model provides a coal pulverizer, includes the casing, goes into feed bin, discharge gate, reducing mechanism, go into the feed bin set firmly in the top of casing and with the casing intercommunication, the bottom of casing, its characterized in that are located to the discharge gate: the utility model discloses a dust collector, including reducing mechanism, crushing roller, grinding roller parallel arrangement, two crushing rollers parallel arrangement and mutually support, and inside two crushing rollers all located the casing, just there was the clearance that is used for making grinding roller pivoted between crushing roller and the casing lateral wall, two crushing roller parallel arrangement, the motor is equipped with two, and two motors are connected with two crushing rollers respectively, still be equipped with dust device on the casing, dust device includes water pipe, water tank, water pump, connecting pipe, the water pipe sets firmly inside the casing, and the water pipe is located the top of crushing roller, be equipped with the hole for water spraying on the water pipe, the water tank sets firmly in the casing outside, the water pump is located between water tank and the water pipe, and the water pump passes through the connecting pipe and is connected with water tank.

2. The coal pulverizer of claim 1, wherein: the motor is fixedly arranged outside the shell, an output shaft of the motor is fixedly arranged at one end of the crushing roller, the output shaft of the motor and the crushing roller are coaxially arranged, and a coupler is arranged between the output shaft of the motor and the crushing roller.

3. The coal pulverizer as claimed in claim 1 or 2, characterized in that: the bottom of the feeding bin is provided with a bin door which is used for covering the bottom of the feeding bin and can only be opened downwards; one end of the bin door is hinged to the bottom of the feeding bin, an elastic piece used for keeping the bin door in a closed state is arranged on the bin door, one end of the elastic piece is fixedly arranged on the bin door, and the other end of the elastic piece is fixedly arranged on the feeding bin.

4. The coal pulverizer of claim 3, wherein: and the bin door is provided with a sealing strip for sealing a gap between the bin door and the bottom of the feeding bin.

5. The coal pulverizer of claim 4, wherein: the bottom of casing is equipped with the support, be equipped with the shock pad between support and the casing.

6. The coal pulverizer of claim 5, wherein: the crushing roller is made of 40CrMo material.

7. The coal pulverizer as claimed in any one of claims 1, 2, 4, 5, and 6, wherein: and the shell is fixedly provided with a mounting seat for mounting a motor.

8. The coal pulverizer of claim 3, wherein: and the shell is fixedly provided with a mounting seat for mounting a motor.

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