CN216459305U - Spraying dust fall's colliery reducing mechanism - Google Patents

Abstract

The utility model discloses a coal mine crushing device for spraying dust fall, belongs to the technical field of coal mines, and comprises a support frame, a cross frame, a coal crusher, a feeding port and a discharging port, wherein the cross frame is fixedly arranged below the support frame, the coal crusher is fixedly arranged above the cross frame, the coal crusher is provided with the feeding port in a matching way, the coal crusher is provided with the discharging port in a matching way, and the support frame is provided with a dust fall mechanism and a screening mechanism. According to the utility model, the dust removal mechanism is adopted, the fan dust removal and the spray dust removal are mutually matched, so that the coal slag dust generated in the working process is greatly reduced, the working environment is purified, the harm to the health of workers is avoided, the screening mechanism is adopted to screen out large-particle coal blocks for secondary crushing, the later-stage manual screening is not needed, the labor waste is avoided, and the working efficiency is improved.

Description

Spraying dust fall's colliery reducing mechanism

Technical Field

The utility model belongs to the technical field of coal mines, and particularly relates to a coal mine crushing device for spraying dust fall.

Background

A coal pulverizer, which is called a coal breaker for short, is one of common devices in production lines of broken coal and broken coal gangue.

Wherein, through the retrieval discovery, there is a patent number CN201921702949.0 to disclose a coal mine reducing mechanism, a machine support, elementary crushing mechanism, second grade crushing mechanism and collection sieve, elementary crushing mechanism includes the conveying pipe way, first striking crushing dish and the relative second striking crushing dish that sets up with first striking crushing dish, the inside of conveying pipe way is provided with carries the auger, second grade crushing mechanism includes the rubbing crusher, the crushing roller of setting in the rubbing crusher and the bar abrasive brick of setting at the rubbing crusher inside wall, the bottom of rubbing crusher is provided with the discharge gate, the collection sieve is located the below of discharge gate, it is reasonable to have simple structure, and multistage crushing process makes the crushing effectual in colliery, crushing efficiency is high, the advantage that the practicality is strong.

However, the research shows that: the device can generate a large amount of dust in the working process, has no dust fall measure, can cause pollution to the working environment and great harm to the health of workers, has no screening function, needs manual screening in the later period, selects out large-particle coal blocks for secondary crushing,

the labor is wasted, the working efficiency is reduced, and therefore a novel device is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the coal mine crushing device for spraying and dust falling is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a coal mine reducing mechanism of spraying dust fall, includes support frame, crossbearer, coal breaker, pan feeding mouth, discharge gate, support frame below fixed mounting has the crossbearer, crossbearer top fixed mounting has the coal breaker, the supporting pan feeding mouth that is provided with of coal breaker, the supporting discharge gate that is provided with of coal breaker, be provided with dust fall mechanism and screening mechanism on the support frame.

Wherein, dust fall mechanism includes fan, dust absorption pipe, suction hood, slide rail, filter screen, handle, water tank, high pressure water pump and atomising head, support frame top fixed mounting has the fan, the dust absorption pipe is installed to fan one side, the suction hood is installed to dust absorption pipe opposite side, the suction hood corresponds with the pan feeding mouth, dust absorption pipe middle part fixed mounting has the slide rail, slide rail top swing joint has the filter screen, filter screen one side fixed mounting has the handle, support frame one side fixed mounting has the water tank, water tank internally mounted has high pressure water pump, a plurality of atomising heads are installed to support frame below one side.

Wherein, screening mechanism includes sieve bed, vibrating motor, crossbearer one side and discharge gate correspond department elastic connection and have the sieve bed, sieve bed below fixed mounting has vibrating motor, support frame opposite side fixed mounting has the air heater, sieve bed top fixed mounting has the fan housing, the transmission band is installed to sieve bed below one side.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in the utility model, the dust removal mechanism is used, and the fan dust removal and the spray dust removal are matched with each other, so that the coal cinder dust generated in the working process is greatly reduced, the working environment is purified, and the harm to the health of workers is avoided.

2. According to the utility model, the large-particle coal blocks are screened out by the screening mechanism for secondary crushing, so that later-stage manual screening is not needed, the waste of labor force is avoided, and the working efficiency is improved.

3. In the utility model, the sprayed and moistened coal cinder is dried by the hot air blower, so that the quality of the coal cinder is ensured.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic diagram of a three-dimensional structure of a sieve bed according to the present invention;

FIG. 3 is an enlarged schematic diagram of FIG. 1 at A according to the present invention.

The labels in the figure are: 1. a support frame; 101. a cross frame; 2. a coal crusher; 201. a feeding port; 202. a discharge port; 3. a fan; 301. a dust collection pipe; 302. a dust hood; 303. a slide rail; 304. a filter screen; 3041. a handle; 4. a water tank; 401. a high pressure water pump; 402. a spray head; 5. a sieve bed; 501. a vibration motor; 6. a hot air blower; 601. a fan housing; 7. and (5) conveying the belt.

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 utility model:

referring to fig. 1-3, a coal mine crushing device for spraying dust fall comprises a support frame 1, a cross frame 101, a coal crusher 2, a feeding port 201 and a discharging port 202, wherein the cross frame 101 is fixedly installed below the support frame 1, the coal crusher 2 is fixedly installed above the cross frame 101, the feeding port 201 is arranged in a matched mode on the coal crusher 2, the discharging port 202 is arranged in a matched mode on the coal crusher 2, and a dust fall mechanism and a screening mechanism are arranged on the support frame 1.

Referring to fig. 1 and 3, further, the dust falling mechanism includes a fan 3, a dust suction pipe 301, a dust suction cover 302, a slide rail 303, a filter screen 304, a handle 3041, a water tank 4, a high pressure water pump 401 and spray heads 402, the fan 3 is fixedly installed above the support frame 1, the dust suction pipe 301 is installed on one side of the fan 3, the dust suction cover 302 is installed on the other side of the dust suction pipe 301, the dust suction cover 302 corresponds to the material inlet 201, the slide rail 303 is fixedly installed in the middle of the dust suction pipe 301, the filter screen 304 is movably connected above the slide rail 303, the handle 3041 is fixedly installed on one side of the filter screen 304, the water tank 4 is fixedly installed on one side of the support frame 1, the high pressure water pump 401 is installed inside the water tank 4, the spray heads 402 are installed on one side of the lower portion of the support frame 1, the spray heads 402 are connected with the high pressure water pump 401 in a pipeline, raw material coal is put into the coal pulverizer 2 through the material inlet 201 to be pulverized, the fan 3 operates to suck air in the dust suction pipe 301 and the dust suction cover 302 through the suction ports, the dust suction pipe 301 and the dust suction cover 302 are in a vacuum state, the dust suction cover 302 sucks dust, coal slag and the like floating above the feeding port 201 into the filter screen 304 on the slide rail 303, the filter screen 304 is replaced by pulling the handle 3041, the high-pressure water pump 401 works, water in the water tank 4 flows at a high speed, water mist is formed after the water mist is impacted and is sprayed out from the spray head 402, the dust generated in the discharging port 202 and the following transmission process is moistened, the weight is increased, the water mist sinks, and the dust falling effect is achieved.

Referring to fig. 1 and 2, further, the screening mechanism includes a screen bed 5 and a vibration motor 501, the screen bed 5 is elastically connected to a position corresponding to the discharge port 202 on one side of the cross frame 101, the vibration motor 501 is fixedly installed below the screen bed 5, the hot air blower 6 is fixedly installed on the other side of the support frame 1, a fan cover 601 is fixedly installed above the screen bed 5, the fan cover 601 is connected with a pipeline of the hot air blower 6, a conveyor belt 7 is installed on one side below the screen bed 5, the pulverized raw coal is changed into coal cinder and falls onto the screen bed 5 from the discharge port 202, the screen bed 5 is periodically and asymmetrically reciprocated and mechanically vibrated under the action of the vibration motor 501, the coal cinder falls onto the ground through a screen mesh on the screen bed 5, large-particle coal blocks slide down from the surface of the screen mesh and fall onto the conveyor belt 7 and are conveyed to the coal crusher 2 for secondary pulverization, the hot air blower 6 works, hot air is blown onto the screen bed 5 and the discharge port 202 through the fan cover 601, the effect of air drying is achieved.

Referring to fig. 1 to 3, further, the coal crusher 2, the fan 3, the high pressure water pump 401, the vibration motor 501, the air heater 6 and the conveyor belt 7 are electrically connected to an external power source through a control panel.

The working principle is as follows: firstly, raw material coal is put into a coal pulverizer 2 through a feeding port 201 to be pulverized, then a fan 3 operates to suck air in a dust suction pipe 301 and a dust suction cover 302 through a suction port, so that the dust suction pipe 301 and the dust suction cover 302 are in a vacuum state, the dust suction cover 302 sucks dust, coal slag and the like floating above the feeding port 201 into a filter screen 304 on a slide rail 303, then the pulverized raw material coal is changed into coal slag and falls onto a sieve bed 5 from a discharge port 202, a high-pressure water pump 401 operates to enable water in a water tank 4 to flow at a high speed, water mist is formed after the water mist is impacted and continuously sprayed out from a spray head 402, the dust generated in the discharge port 202 and the following transmission process is wetted, the weight is increased and the dust fall effect is achieved, a hot air heater 6 operates, hot air is blown to the sieve bed 5 and the coal slag sprayed on the discharge port 202 through a fan cover 601 to achieve the air drying effect, the sieve bed 5 is subjected to periodic asymmetrical reciprocating mechanical vibration under the action of a vibration motor 501, the coal slag falls to the ground through the screen mesh on the screen bed 5, large-particle coal blocks slide down from the screen mesh surface and fall on the conveying belt 7 to be conveyed to the coal crusher 2 for secondary crushing, and finally the filter mesh 304 is replaced by pulling the handle 3041.

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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a coal mine crushing device of spraying dust fall, includes support frame (1), crossbearer (101), coal breaker (2), pan feeding mouth (201), discharge gate (202), support frame (1) below fixed mounting has crossbearer (101), crossbearer (101) top fixed mounting has coal breaker (2), coal breaker (2) are supporting to be provided with pan feeding mouth (201), coal breaker (2) are supporting to be provided with discharge gate (202), its characterized in that: the supporting frame (1) is provided with a dust falling mechanism and a screening mechanism;

the dust fall mechanism comprises a fan (3), a dust suction pipe (301), a dust suction cover (302), a sliding rail (303), a filter screen (304), a handle (3041), a water tank (4), a high-pressure water pump (401) and a spray head (402);

support frame (1) top fixed mounting has fan (3), dust absorption pipe (301) are installed to fan (3) one side, dust absorption pipe (301) opposite side is installed dust hood (302), dust hood (302) corresponds with pan feeding mouth (201), dust absorption pipe (301) middle part fixed mounting has slide rail (303), slide rail (303) top swing joint has filter screen (304), filter screen (304) one side fixed mounting has handle (3041), support frame (1) one side fixed mounting has water tank (4), water tank (4) internally mounted has high pressure water pump (401), a plurality of atomising heads (402) are installed to support frame (1) below one side.

2. The coal mine crushing device for dust fall through spraying of claim 1, wherein: the screening mechanism comprises a screening bed (5) and a vibrating motor (501).

3. The coal mine crushing device for dust fall through spraying of claim 1, wherein: one side of the transverse frame (101) is elastically connected with a sieve bed (5) at the position corresponding to the discharge hole (202), and a vibration motor (501) is fixedly mounted below the sieve bed (5).

4. The coal mine crushing device for dust fall through spraying of claim 1, wherein: an air heater (6) is fixedly arranged on the other side of the support frame (1).

5. A coal mine comminution device for dust fall by spraying as claimed in claim 3 in which: sieve bed (5) top fixed mounting has fan housing (601), sieve bed (5) below one side installs transmission band (7).

Images