CN216381486U

CN216381486U - Automatic spraying dust-settling device for coal mine

Info

Publication number: CN216381486U
Application number: CN202123222882.0U
Authority: CN
Inventors: 靳曲; 张洋; 王宪光; 马中军; 宋天赠; 高晶; 王新野; 龚邦军; 徐忠军; 徐士波
Original assignee: Tiefa Coal Industry Group Co ltd Daxing Coal Mine
Current assignee: Tiefa Coal Industry Group Co ltd Daxing Coal Mine
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-26
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an automatic spraying dust-settling device for a coal mine, relates to the technical field of spraying dust-settling, and solves the problems of a large amount of accumulated water and water source waste caused by manual watering dust-settling and direct opening of a valve. An automatic spraying dust-settling device for coal mines comprises a main water inlet pipe; the main water inlet pipe is communicated with a water inlet electric ball valve, and the main water inlet pipe is communicated with a water inlet pressure gauge; the main water inlet pipe is fixedly connected with the spray fixing frame, side fixing frames are rotatably arranged on two sides of the spray fixing frame, and screw hole sites are arranged on the spray fixing frame in an array around the center of a connecting rotating shaft of the spray fixing frame and the side fixing frames; the spraying fixing frame is internally provided with a spraying assembly in an array mode, and three internal spraying rings are fixedly arranged in the spraying assembly in the array mode. This practical main control unit control spraying subassembly lasts the spraying, self-closing after the concentration of reduction coal dust prevents that long-time spraying from producing the waste at ponding and water source.

Description

Automatic spraying dust-settling device for coal mine

Technical Field

The utility model belongs to the technical field of spraying dust suppression, and particularly relates to an automatic spraying dust suppression device for a coal mine.

Background

The unloading of the main well is an important link for lifting coal in a mine, coal dust is generated during each coal unloading, the main well is an air inlet well, the generated coal dust is harmful to the unloading, and the coal dust enters the underground along with air entering and is also harmful to underground loading, so that the unloading and dust removal become an important part of the mine dust removal work.

Based on the aforesaid, the uninstallation is unloaded the coal and is produced a large amount of coal dusts, adopts artifical watering dust fall in the past, but artifical watering dust fall has very big shortcoming, and the synchronization of watering and unloading can not be guaranteed to artifical watering dust fall, when not unloading the coal, if the valve is opening all the time, can cause the waste of a large amount of pondings and water source, can cause a large amount of rivers to go into the uninstallation storehouse in addition, if the uninstallation storehouse is flowed into to big water, cause harm to the coal transportation of coal preparation factory, influence the coal quality moreover.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic spraying dust-settling device for a coal mine, which controls the spraying of a spraying assembly to be opened and closed through a main controller, does not need manual control of personnel, reduces the concentration of coal dust, and improves the working environment of the coal mine.

The utility model relates to an automatic spraying dust-settling device for a coal mine, which is achieved by the following specific technical means:

an automatic spraying dust-settling device for coal mines comprises a main water inlet pipe; the main water inlet pipe is communicated with a water inlet electric ball valve, and the main water inlet pipe is communicated with a water inlet pressure gauge; the main water inlet pipe is fixedly connected with the spray fixing frame, the two sides of the spray fixing frame are both rotatably provided with side fixing frames, the spray fixing frame is provided with screw hole sites around the center array of a connecting rotating shaft of the side fixing frame, the spray fixing frame is fixed with the side fixing frame through screws, the hole sites of fixing bolts of the side fixing frame and the spray fixing frame are adjusted through rotating the side fixing frame, the angle of the spray fixing frame is adjusted, and the spray angle of the spray assembly is adjusted; the spraying assembly is arranged in the spraying fixing frame in an array mode, three inner spraying rings are fixedly arranged in the spraying assembly in an array mode, inner nozzles are arranged in an annular array on the front portion of each inner spraying ring, a water inlet pipe at the top of each inner spraying ring is communicated with the tail end of a main water inlet pipe, each spraying assembly is of a conical circular pipe structure with a wide front portion and a narrow back portion, the rear portion of each spraying assembly is communicated with the tail end of a main air inlet pipe, the inner spraying rings arranged in the spraying assembly are of circular annular structures, the front portion faces of the inner spraying rings and the inner nozzles are all obliquely arranged towards the middle portion to guide water mist of the inner spraying rings to be sprayed out intensively towards the center, inclined faces which are narrowed forwards are arranged at intervals among the inner spraying rings of the spraying assembly, the inner spraying rings at the rear portion of the spraying assembly are obliquely narrowed towards the inner sides of the inner spraying rings at the front portion, and adjacent spraying assemblies and the inner spraying rings are staggered inwards due to diameter changes, the mutual interference of the inner nozzles of the front and the rear adjacent inner spraying rings is avoided; the spraying assembly is communicated with a main air inlet pipe, the main air inlet pipe is fixedly connected with an air inlet electric ball valve in a penetrating way, and the air inlet electric ball valve is fixedly connected with an air inlet pipe pressure gauge in a penetrating way; the water inlet electric ball valve and the air inlet electric ball valve are both in circuit communication with the main controller, and the main controller controls the opening and closing of the water inlet electric ball valve and the air inlet electric ball valve; the main controller is communicated with a control sensor circuit, and a dust probe is arranged in the middle of the control sensor.

The present invention includes at least the following advantageous effects.

1. According to the utility model, the concentration of coal dust at the outdoor unloading coal drop port is monitored by the control sensor, the main controller controls the spraying assembly to continuously spray, so that the concentration of the coal dust is reduced, the operation environment of a coal mine is improved, the spraying assembly is automatically closed, the phenomena of accumulated water and water source waste caused by long-time spraying are prevented, the coal quality can be effectively ensured, the potential safety hazard caused by the wet and slippery ground due to the accumulated water is reduced, and the safety production of coal mine personnel is ensured.

2. The utility model ensures the synchronization of coal unloading and spraying devices through the circuit connection of the main controller and the skip door in-place opening and closing sensors, prevents coal dust generated additionally due to asynchronism, improves the inhibition effect of the coal dust, improves the working environment of a coal mine, eliminates potential safety hazards and ensures the normal and safe operation of the coal mine.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the main water inlet pipe structure of the utility model.

Fig. 3 is a schematic cross-sectional view of the spray fixing frame of the present invention.

Figure 4 is a schematic view of a half-section of a spray assembly of the present invention.

FIG. 5 is a schematic flow chart of the system of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main water inlet pipe; 101. an electric ball valve for water inlet; 102. a water inlet pressure gauge; 2. a main air inlet pipe; 201. an air inlet electric ball valve; 202. an air inlet pipe pressure gauge; 3. a control sensor; 301. a dust probe; 4. a spray mount; 401. a side fixing frame; 5. a spray assembly; 501. an inner spray ring; 502. an inner spout; 6. and a main controller.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 5:

the utility model provides an automatic spraying dust-settling device for a coal mine, which comprises a main water inlet pipe 1; the main water inlet pipe 1 is communicated with a water inlet electric ball valve 101, the main water inlet pipe 1 is communicated with a water inlet pressure gauge 102, and the water inlet pressure gauge 102 displays water pressure; the main water inlet pipe 1 is fixedly connected with a spray fixing frame 4, two sides of the spray fixing frame 4 are both rotatably provided with side fixing frames 401, the spray fixing frame 4 is provided with screw hole sites around the center array of a connecting rotating shaft of the side fixing frame 401, the spray fixing frame 4 is fixed with the side fixing frames 401 through screws, the hole sites of fixing bolts of the side fixing frames 401 and the spray fixing frames 4 are adjusted through the side rotating side fixing frames 401, the angle of the spray fixing frame 4 is adjusted, the spray angle of a spray assembly 5 is adjusted, and the effect of reducing coal dust at an unloading coal drop port is improved; the spraying components 5 are arranged in the spraying fixing frame 4 in an array manner; the spraying assembly 5 is communicated with a main air inlet pipe 2, the main air inlet pipe 2 is fixedly connected with an air inlet electric ball valve 201 in a penetrating way, the air inlet electric ball valve 201 is fixedly connected with an air inlet pipe pressure gauge 202 in a penetrating way, and the air inlet pipe pressure gauge 202 displays air pressure; the water inlet electric ball valve 101 and the air inlet electric ball valve 201 are both in circuit communication with the main controller 6, and the main controller 6 controls the opening and closing of the water inlet electric ball valve 101 and the air inlet electric ball valve 201, so that the control is more accurate, manual control is not needed, and the operators on duty are saved;

main control unit

6 and 3 circuit intercommunications of control sensor, the 3 middle parts of control sensor are provided with dust probe 301, and dust probe 301 monitors outdoor uninstallation coal breakage mouth department coal dust concentration, and after the concentration of coal dust reduced, main control unit 6 controlled and intake electric ball valve 101 and the electric ball valve 201 of air inlet closed, and spraying subassembly 5 stops the spraying, prevents that long-time spraying from producing the waste at ponding and water source.

As shown in fig. 3 and 4, three inner spray rings 501 are fixedly arranged in an array in the spraying assembly 5, an inner nozzle 502 is arranged in an annular array at the front part of each inner spray ring 501, a water inlet pipe at the top of each inner spray ring 501 is communicated with the tail end of a main water inlet pipe 1, water mist is sprayed out of each inner spray ring 501 through the corresponding inner nozzle 502, the spraying assembly 5 is in a conical circular pipe structure with a wide front part and a narrow back part, the rear part of the spraying assembly 5 is communicated with the tail end of a main air inlet pipe 2, the inner spray rings 501 arranged in the spraying assembly 5 are reduced from front to back along with the reduction of the spraying assembly 5 from front to back, so that wind power diffusion and the water mist can be fully fused, each inner spray ring 501 is in a circular annular structure, the front surfaces of the inner spray rings 501 and the inner nozzles 502 are all inclined towards the middle part to guide the water mist of the inner spray rings 501 to be sprayed out in a centralized manner, inclined surfaces which are reduced forwards at intervals between the inner spray rings 501 of the spraying assemblies 5, the inner spray rings 501 at the rear part are inclined towards the inner sides of the inner spray rings 501, adjacent spraying subassembly 5 and interior spray ring 501 are inwards crisscross each other because of the change of diameter, avoid adjacent interior spout 502 mutual interference of spray ring 501 in the front and back, and spraying subassembly 5 sprays through interior spout 502 of interior spray ring 501 jointly, reinforcing spraying quantity and intensity.

The specific use mode and function of the embodiment are as follows:

in the utility model, a main controller 6 is connected with a sensor circuit for opening and closing the skip door in place, when the main controller 6 receives a signal of opening the skip door in place, the water inlet electric ball valve 101 and the air inlet electric ball valve 201 are controlled to be opened, when the main controller 6 receives a signal of closing the skip door in place, the signal is compared with a signal of a dust probe 301, whether the water inlet electric ball valve 101 and the air inlet electric ball valve 201 need to be closed is judged according to the concentration of coal dust, a valve is arranged at the head end of a main water inlet pipe 1 and is connected with a main shaft unloading water inlet pipe, the tail end of the main water inlet pipe 1 is communicated with an inner spray ring 501, the water outlet quantity of an inner nozzle 502 of the inner spray ring 501 is adjusted through the valve at the head end of the main water inlet pipe 1, a water inlet pressure gauge 102 is arranged between the valve at the head end of the main water inlet pipe 1 and the water inlet electric ball valve 101, an air inlet pressure gauge 202 is arranged between the valve at the head end of the main air inlet pipe 2 and the air inlet electric ball valve 201, the water inlet pressure gauge 102 displays water pressure, the air intake pipe pressure gauge 202 displays air pressure, the head end of the main air intake pipe 2 is provided with a valve connected with a main well unloading compressed air pipe, the tail end spraying assembly 5 of the main air intake pipe 2 is communicated with the main air intake pipe 2 and provides compressed air for the spraying assembly 5, the spraying assembly 5 sprays pressure water through the inner nozzle 502 and enables the water flow to be atomized into fine water drops to be sprayed into the air under the impact action of the pressure air, the spraying is farther, after coal dust is sprayed and moistened, dust particles can be mutually attached and aggregated into larger particles, the adhesiveness is enhanced, the mine dust is not easy to fly, the dust concentration of the outdoor unloading coal drop port is monitored through the dust probe 301 of the control sensor 3, the spraying assembly 5 carries out continuous spraying to reduce the concentration of the coal dust, the control sensor 3 transmits a signal to the main controller 6 after detecting that the concentration of the coal dust is reduced, the main controller 6 controls and closes the water inlet electric ball valve 101 and the air inlet electric ball valve 201, spraying subassembly 5 stops the spraying, prevent that long-time spraying from producing the waste at ponding and water source, and can effectual assurance coal quality, reduce the potential safety hazard that leads to the production of ground wet-skid because of ponding, coal mine personnel's safety in production has been guaranteed, open the circuit connection who targets in place and close the sensor that targets in place through main control unit 6 and skip door, the synchronous operation of unloading coal and spraying subassembly 5 has been guaranteed, prevent the coal dust because of asynchronous extra production, improve the inhibit effect of coal dust, improve the operation environment in colliery, the potential safety hazard has been eliminated, in order to guarantee the normal safe operation in colliery.

The utility model is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an automatic spraying dust device for coal mine which characterized in that: the automatic spraying dust-settling device for the coal mine comprises a main water inlet pipe (1); the main water inlet pipe (1) is fixedly connected with the spray fixing frame (4); the spraying components (5) are arranged in the spraying fixing frame (4) in an array manner; the spraying assembly (5) is communicated with the main air inlet pipe (2); an inner spray ring (501) is fixedly arranged inside the spray assembly (5), inner spray nozzles (502) are arranged in an annular array at the front part of the inner spray ring (501), and the inner spray ring (501) is communicated with the tail end of the main water inlet pipe (1).

2. The automatic spraying dust-settling device for the coal mine is characterized in that a water inlet electric ball valve (101) is communicated with and arranged on the main water inlet pipe (1), and a water inlet pressure gauge (102) is communicated with and arranged on the main water inlet pipe (1).

3. The automatic spraying dust-settling device for the coal mine is characterized in that an air inlet electric ball valve (201) is fixedly connected to the main air inlet pipe (2) in a penetrating mode, and the air inlet electric ball valve (201) is fixedly connected with an air inlet pipe pressure meter (202) in a penetrating mode.

4. The automatic spraying dust-settling device for the coal mine is characterized in that side fixing frames (401) are rotatably arranged on two sides of the spraying fixing frame (4), screw hole positions are formed in the spraying fixing frame (4) around the center of a connecting rotating shaft of the side fixing frames (401), and the spraying fixing frame (4) is fixed with the side fixing frames (401) through screws.

5. The automatic spraying dust-settling device for the coal mine is characterized in that the spraying component (5) is of a conical circular tube structure with a wide front part and a narrow back part, the back part of the spraying component (5) is communicated with the tail end of the main air inlet pipe (2), and an inner spraying ring (501) arranged in the spraying component (5) is reduced along with the narrowing of the spraying component (5) from the front inner diameter to the back inner diameter.

6. The automatic spraying dust-settling device for the coal mine is characterized in that the inner spraying ring (501) is of a circular annular structure, the front face and the inner nozzle (502) of the inner spraying ring (501) are both arranged obliquely towards the middle part, a forward narrowing inclined plane is arranged between the inner spraying rings (501) of the spraying assembly (5), and the spraying assembly (5) is obliquely narrowed from the rear inner spraying ring (501) to the inner side of the front inner spraying ring (501).

7. The automatic spraying dust-settling device for the coal mine is characterized in that the water inlet electric ball valve (101) and the air inlet electric ball valve (201) are both in circuit communication with the main controller (6), and the main controller (6) controls the opening and closing of the water inlet electric ball valve (101) and the air inlet electric ball valve (201).

8. The automatic spraying dust-settling device for the coal mine is characterized in that the main controller (6) is in circuit communication with the control sensor (3), and the middle of the control sensor (3) is provided with the dust probe (301).