Underground coal mine automatic adjusting type dustproof spraying device

By introducing an automatic additive mixing and nozzle cleaning system into the underground dust suppression spray device in coal mines, the lack of automation and cleaning problems of existing devices have been solved, achieving automated operation and efficient coal dust treatment.

CN224049254UActive Publication Date: 2026-03-27鄂尔多斯市盛鑫煤业有限责任公司
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing downhole dust suppression spray devices lack automatic adding and mixing functions, and nozzle cleaning is difficult, increasing the workload of personnel and posing safety hazards.

Method used

An automatic adjustable dust suppression spray device for underground coal mines was designed, comprising a liquid storage tank, a mixing tank, a spraying mechanism, a dust sensor, a temperature and humidity sensor, a PLC controller, a liquid level sensor, and a motor-driven stirring and cleaning system, to achieve automatic additive mixing and nozzle cleaning.

Benefits of technology

It achieves automatic addition and stirring functions, enhances the adhesion and settling effect of water mist on coal dust particles, simplifies the nozzle cleaning process, reduces the burden on personnel, and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224049254U_ABST
    Figure CN224049254U_ABST
Patent Text Reader

Abstract

The utility model discloses an underground coal mine automatic adjusting type dustproof spraying device which is applied to the field of spraying devices and comprises a liquid storage box, a mixing box is connected to the top of the liquid storage box in a bolted mode, a rotating shaft is rotatably connected to the interior of the mixing box, and stirring blades are welded to the surface of the rotating shaft. The top end of the rotating shaft is fixedly sleeved with a first motor, a connecting pipe valve is communicated between the bottom of the mixing box and the liquid storage box, a first pipe valve and a second pipe valve are communicated with the top of the mixing box in a penetrating mode, a spraying mechanism is arranged on one side of the liquid storage box, and a fixing plate is arranged on one side of the liquid storage box. A threaded rod is rotationally connected into the fixing plate. The device has the automatic adding and stirring functions, manual assistance and intervention are not needed, the adhesive force and the sedimentation effect of water mist on coal dust particles can be enhanced, meanwhile, the nozzle can be conveniently cleaned, operation is easy, labor is saved, the workload of workers is relieved, and practicability is high.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a spray device field, especially in kind of coal mine automatic regulation formula dustproof spray device of adjusting. BACKGROUND

[0002] At present, the Chinese utility model with the announcement number CN202954837U discloses a kind of underground dustproof spray device. Although the spray device can optimize nozzle structure, make spray particle size more uniform, atomization efficiency is higher, but there are other problems in use process, such as not convenient to add additive and blend, environmental protection type spray additive can reduce surface tension and enhance coal dust particle capture effect, while ensuring that mine environment and worker health are harmless, when additive and water blend, personnel need to manually add, then manually stir to make it mix, increase the work burden of personnel, and it does not have nozzle cleaning function, in underground environment, because dust is more, atomization nozzle is easily polluted by dust, affect its normal working effect, to ensure the normal operation of nozzle, personnel need to periodically climb with the aid of tool and manually wipe, there is certain security risk, to solve the above-mentioned problems, we propose a kind of coal mine automatic regulation formula dustproof spray device. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of coal mine automatic regulation formula dustproof spray device, solve the automatic addition and stirring function of existing spray device and the inconvenience of nozzle cleaning.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a kind of coal mine automatic regulation formula dustproof spray device, including liquid storage tank, the top of the liquid storage tank is connected with mixing box, rotatingly connected with rotating shaft in the inside of the mixing box, the surface of the rotating shaft is welded with stirring piece, the top of the rotating shaft is fixedly sleeved with first motor, the bottom of the mixing box is communicated with the liquid storage tank with connecting pipe valve, the top of the mixing box is respectively penetrated with first pipe valve and second pipe valve, one side of the liquid storage tank is provided with spray mechanism, one side of the liquid storage tank is provided with fixed plate, the inside of the fixed plate is rotatably connected with threaded rod, the other end of the threaded rod is fixedly sleeved with second motor, the surface of the threaded rod is screw-connected with threaded plate, the front surface of the threaded plate is welded with mounting bracket, the inside of the mounting bracket is installed with cleaning brush.

[0005] The above technical scheme can have automatic addition and stirring function, without manual assistance and intervention, can enhance the adhesion and sedimentation effect of water mist to coal dust particle, while it is convenient to clean nozzle, simple operation, save labor, reduce the work burden of personnel, and it is practical.

[0006] The utility model further sets up: the spray mechanism includes water pump, water pump is shuanchang in the one side of liquid storage tank, the both ends of water pump are fixed with suction tube and liquid discharge pipe respectively, the other end of suction tube is open with the one side of liquid storage tank, the surface of liquid discharge pipe is penetrated and is connected with the nozzle of screw thread.

[0007] The above technical scheme is adopted, through the setting of water pump, suction tube, liquid discharge pipe and nozzle, the liquid in the liquid storage tank can be sucked and sprayed downward in atomized form.

[0008] The utility model further sets up: the front of liquid storage tank is shuanchang with dust sensor, temperature and humidity sensor and PLC controller respectively.

[0009] The above technical scheme is adopted, through the setting of dust sensor, temperature and humidity sensor and PLC controller, the coal dust concentration and temperature and humidity of the environment data in the pit can be monitored in real time, and the data is transmitted to the PLC controller through the sensor, which is convenient for personnel to adjust in time.

[0010] The utility model further sets up: the top of liquid storage tank is penetrated and is shuanchang with liquid level sensor.

[0011] The above technical scheme is adopted, through the setting of liquid level sensor, when the liquid storage tank is in the state of water shortage, the liquid level sensor will feed back information to the PLC controller when the liquid in the liquid storage tank is lower than a certain position, and the PLC controller will control the valve on the first pipe valve and the second pipe valve to open to make the clean water and additive enter the mixing box.

[0012] The utility model further sets up: the both sides of liquid storage tank are welded with mounting plate, and the front of mounting plate is equipped with mounting hole.

[0013] The above technical scheme is adopted, through the setting of mounting plate and mounting hole, the liquid storage tank can be conveniently installed and fixed by personnel.

[0014] The utility model further sets up: the one side of screw plate is penetrated and is set with limit rod, and the both ends of limit rod are welded with the inside of fixed plate.

[0015] The above technical scheme is adopted, through the setting of limit rod, the screw plate can be limited, and the screw plate is prevented from turning over in the process of moving left and right.

[0016] The utility model further sets up: the surface of liquid storage tank and mixing box is coated with anticorrosive paint.

[0017] The above technical scheme is adopted, through the setting of anticorrosive paint, the anticorrosion and moisture-proof effect of the surface of liquid storage tank and mixing box can be improved.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. The utility model discloses a first pipe valve and second pipe valve are opened to make clear water and additive enter the mixing box when the liquid level sensor transmits information to the PLC controller when the liquid storage tank is short of water, and the first motor is started after clear water and additive enter, and the first motor is started and will drive the rotating shaft to rotate, and the rotating shaft will drive the stirring piece to stir the liquid when rotating, and the connecting pipe valve is opened to make the liquid spray downward into the liquid storage tank after the liquid is stirred to the preset, can have automatic addition and stirring function, need not manual assistance and intervention, can enhance the adhesion and settlement effect of water mist to coal dust particle;

[0020] 2. The utility model discloses a second motor is started, and the threaded rod is rotated after the second motor is started, and the threaded plate is moved right with the cooperation of the limiting rod when the threaded rod rotates, and the mounting frame is moved right together with the threaded plate when moving right, and the cleaning brush is swept and wiped to the nozzle bottom spray hole place when the mounting frame moves right, can conveniently clean the nozzle, simple and easy operation saves labor, alleviates the work burden of personnel, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure perspective drawing of the utility model;

[0022] Figure 2 It is the structure front view of the utility model;

[0023] Figure 3 It is the structure of the utility model Figure 2 A place structure enlarged view in.

[0024] Fig. 1, liquid storage tank;2, mixing box;3, rotating shaft;4, stirring piece;5, first motor;6, connecting pipe valve;7, first pipe valve;8, second pipe valve;9, spray mechanism;91, water pump;92, liquid suction pipe;93, liquid discharge pipe;94, nozzle;10, fixed plate;11, threaded rod;12, second motor;13, threaded plate;14, mounting frame;15, cleaning brush;16, dust sensor;17, temperature and humidity sensor;18, PLC controller;19, liquid level sensor;20, mounting plate;21, limiting rod. DETAILED DESCRIPTION

[0025] The utility model is further explained in detail in connection with the drawings.

[0026] Example 1:

[0027] Reference Figure 1 And Figure 2The utility model provides an automatic adjustment formula dustproof spray device in coal mine underground, including liquid storage tank 1, the top of liquid storage tank 1 is bolted with mixing tank 2, the inside rotation is connected with rotating shaft 3 of mixing tank 2, and the surface of rotating shaft 3 is welded with stirring piece 4, and the top of rotating shaft 3 is fixedly sleeved with first motor 5, and the bottom between mixing tank 2 and liquid storage tank 1 is communicated with connecting pipe valve 6, and the top of mixing tank 2 is respectively penetrated and communicated with first pipe valve 7 and second pipe valve 8, when the water level sensor 19 will deliver information to PLC controller 18 when the water shortage in liquid storage tank 1, and PLC controller 18 will control first pipe valve 7 and second pipe valve 8 open first to make clear water and additive enter into mixing tank 2, when clear water and additive enter, control first motor 5 to open, and first motor 5 opens and will drive rotating shaft 3 to rotate, and rotating shaft 3 will drive stirring piece 4 to stir liquid when rotating, and when liquid is stirred to the preset, open connecting pipe valve 6 and make the liquid spray downward into liquid storage tank 1, can have automatic addition and stirring function, need not manual assistance and intervention, can enhance the adhesion and settlement effect of water mist to coal dust particle.

[0028] Reference Figure 1 The front of liquid storage tank 1 is bolted with dust sensor 16, temperature and humidity sensor 17 and PLC controller 18 respectively, through the setting of dust sensor 16, temperature and humidity sensor 17 and PLC controller 18, the coal dust concentration and temperature and humidity environment data in the well can be monitored in real time, and the data is transmitted to PLC controller 18 through the sensor, so that personnel can adjust in time.

[0029] Reference Figure 1 And Figure 2 The top of liquid storage tank 1 is penetrated and bolted with liquid level sensor 19, through the setting of liquid level sensor 19, when the inside of liquid storage tank 1 is in the water shortage state, it can be reminded, and when the liquid spray in the inside of liquid storage tank 1 is lower than a specific position, liquid level sensor 19 will feed back information to PLC controller 18, and after receiving the information, PLC controller 18 will control the valve on first pipe valve 7 and second pipe valve 8 to open to make clear water and additive enter into mixing tank 2.

[0030] Reference Figure 1 And Figure 2 Both sides of liquid storage tank 1 are welded with mounting plate 20, and the front of mounting plate 20 is provided with mounting hole, through the setting of mounting plate 20 and mounting hole, personnel can be convenient for the installation and fixation of liquid storage tank 1.

[0031] Reference Figure 1 And Figure 2 The surface of liquid storage tank 1 and mixing tank 2 is coated with anticorrosive paint, through the setting of anticorrosive paint, the corrosion and moisture-proof effect of the surface of liquid storage tank 1 and mixing tank 2 can be improved.

[0032] Brief use process: when the liquid level sensor 19 transmits information to the PLC controller 18 when the water in the storage tank 1 is lacking, the PLC controller 18 will first control the first pipe valve 7 and the second pipe valve 8 to open to make the clean water and the additive enter the mixing tank 2, and then control the first motor 5 to open after the clean water and the additive enter, the first motor 5 will drive the rotating shaft 3 to rotate, and the rotating shaft 3 will drive the stirring blade 4 to stir the liquid, and the connecting pipe valve 6 is opened to make the liquid spray downward into the storage tank 1 when the liquid is stirred to the preset interval.

[0033] Embodiment 2:

[0034] Referring to Figure 1 , Figure 2 and Figure 3 , a coal mine underground automatic adjustment type dustproof spraying device, one side of the storage tank 1 is provided with a spraying mechanism 9, one side of the storage tank 1 is provided with a fixed plate 10, the inside of the fixed plate 10 is rotatably connected with a threaded rod 11, the other end of the threaded rod 11 is fixedly sleeved with a second motor 12, the surface of the threaded rod 11 is threadedly connected with a threaded plate 13, the front surface of the threaded plate 13 is welded with a mounting frame 14, and the inside of the mounting frame 14 is installed with a cleaning brush 15. By starting the second motor 12, the second motor 12 will drive the threaded rod 11 to rotate after starting, and the threaded rod 11 will drive the threaded plate 13 to move right through the cooperation of the limiting rod 21, the threaded plate 13 will drive the mounting frame 14 to move right together when moving right, and the mounting frame 14 will drive the cleaning brush 15 to clean and wipe the spray hole at the bottom of the nozzle 94 when moving right, which can conveniently clean the nozzle 94, is simple and labor-saving, and reduces the work burden of personnel, and has high practicability.

[0035] Referring to Figure 1 and Figure 2 , the spraying mechanism 9 comprises a water pump 91, the water pump 91 is bolted on one side of the storage tank 1, the two ends of the water pump 91 are fixedly sleeved with a liquid suction pipe 92 and a liquid discharge pipe 93 respectively, the other end of the liquid suction pipe 92 is communicated with one side of the storage tank 1, and the surface of the liquid discharge pipe 93 is threadedly connected with a nozzle 94. Through the arrangement of the water pump 91, the liquid suction pipe 92, the liquid discharge pipe 93 and the nozzle 94, the liquid in the storage tank 1 can be sucked and sprayed downward in atomized form.

[0036] Referring to Figure 3 , the threaded plate 13 is provided with a limiting rod 21 penetrating through one side, and the two ends of the limiting rod 21 are welded with the inside of the fixed plate 10. Through the arrangement of the limiting rod 21, the threaded plate 13 can be limited, and the threaded plate 13 is prevented from turning over during left and right movement.

[0037] Brief description of use process: through starting the second motor 12, the second motor 12 will drive the threaded rod 11 to rotate after starting, the threaded rod 11 will drive the threaded plate 13 to move right under the cooperation of the limiting rod 21 when rotating, the threaded plate 13 will drive the mounting frame 14 to move right together when moving right, the mounting frame 14 will drive the cleaning brush 15 to clean and wipe the nozzle 94 bottom nozzle when moving right.

[0038] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution to the embodiment according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A coal mine underground automatic regulating dustproof spraying device comprising a liquid storage tank (1), characterized in that: The top of the liquid storage tank (1) is bolted with a mixing tank (2), the inside of the mixing tank (2) is rotatably connected with a rotating shaft (3), the surface of the rotating shaft (3) is welded with a stirring blade (4), the top end of the rotating shaft (3) is fixedly sleeved with a first motor (5), the bottom of the mixing tank (2) is communicated with the liquid storage tank (1) through a connecting pipe valve (6), the top of the mixing tank (2) is respectively penetrated and communicated with a first pipe valve (7) and a second pipe valve (8), one side of the liquid storage tank (1) is provided with a spraying mechanism (9), one side of the liquid storage tank (1) is provided with a fixed plate (10), the inside of the fixed plate (10) is rotatably connected with a threaded rod (11), the other end of the threaded rod (11) is fixedly sleeved with a second motor (12), the surface of the threaded rod (11) is threadedly connected with a threaded plate (13), the front surface of the threaded plate (13) is welded with a mounting bracket (14), the inside of the mounting bracket (14) is mounted with a cleaning brush (15).

2. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, The spraying mechanism (9) comprises a water pump (91), the water pump (91) is bolted on one side of the liquid storage tank (1), the two ends of the water pump (91) are fixedly sleeved with a liquid suction pipe (92) and a liquid discharge pipe (93) respectively, the other end of the liquid suction pipe (92) is communicated with one side of the liquid storage tank (1), the surface of the liquid discharge pipe (93) is penetrated and threadedly connected with a nozzle (94).

3. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, The front surface of the liquid storage tank (1) is bolted with a dust sensor (16), a temperature and humidity sensor (17) and a PLC controller (18) respectively.

4. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, The top of the liquid storage tank (1) is penetrated and bolted with a liquid level sensor (19).

5. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, Both sides of the liquid storage tank (1) are welded with a mounting plate (20), the front surface of the mounting plate (20) is provided with a mounting hole.

6. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, One side of the threaded plate (13) is penetrated and provided with a limiting rod (21), both ends of the limiting rod (21) are welded with the inside of the fixed plate (10).

7. The automatic adjustable dust spray device for underground coal mine of claim 1, wherein, The surface of the liquid storage tank (1) and the mixing tank (2) is coated with anticorrosive paint. The surface of the liquid storage tank (1) and the mixing tank (2) is coated with anticorrosive paint.

Citation Information

Patent Citations

  • Underground dustproof spraying device

    CN202954837U