CN209960226U - Mining dust leakage monitoring device - Google Patents

Abstract

A mining dust leakage monitoring device comprises a ventilator and a monitoring device, wherein the monitoring device is arranged to monitor dust passing through the ventilator. The utility model discloses a be provided with monitoring devices, can monitor the dust through the ventilation blower, outwards discharge through the ventilation blower because of the air current of exhaust shaft, and then can monitor the dust of exhaust shaft, monitor the dust volume and exceed standard, can in time take relevant measure to guarantee personnel's life safety in the pit, avoid the potential safety hazard.

Description

Mining dust leakage monitoring device

Technical Field

The utility model relates to a monitoring devices especially relates to a mining dust leakage monitoring devices.

Background

The coal mine ventilator is responsible for leading out harmful gas in the mine tunnel through the air exhaust well and discharging the harmful gas into the atmosphere, so that external fresh air enters the tunnel from the air inlet well, and the underground requirement for the fresh air is guaranteed. And can set up the material conveying pipe in the pit shaft of exhaust shaft generally, carry the material that the mine used, because the material conveying pipe is in the pit shaft of exhaust shaft, daily inspection tour is more difficult, can not in time discover when appearing leaking, the condition that inside material leaked can be caused if excessive wearing and tearing of material conveying pipeline in the pit shaft of exhaust shaft, the material of leaking will be inhaled inside the ventilation blower like dust such as cement ash, and attach to on blade and inner wall, and then make the increase of ventilation blower vibration value, if fail in time to discover, will cause the cracked consequence of fan blade, seriously threaten personnel's life safety in the pit, there is very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a can in time monitor mine dust leakage monitoring device of mine dust.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a mining dust leakage monitoring device comprises a ventilator and a monitoring device, wherein the monitoring device is arranged to monitor dust passing through the ventilator.

Mining dust leakage monitoring devices, wherein, monitoring devices includes first monitoring pipeline and dust sensor, first monitoring pipeline stretches into ventilation blower air intake department, the other end with dust sensor connects.

Mining dust leakage monitoring device, wherein, still include second monitoring pipeline, second monitoring pipeline one end with dust sensor intercommunication.

Mining dust leakage monitoring device, wherein, first monitoring pipe keeps away from dust sensor one end is provided with the air guide piece, the air guide piece is set up to leading-in with ventilation blower air intake department air current in the first monitoring pipe.

Mining dust leakage monitoring devices, wherein, the air guide includes first air duct and second air duct, first air duct one end with first monitoring pipe says the intercommunication, the first air duct other end passes ventilation blower housing gets into inside the ventilation blower, and with the second air duct intercommunication, second air duct air inlet department is facing ventilation blower wind current direction sets up.

Mining dust leakage monitoring device, wherein, the second air duct with ventilation blower wind current direction parallel arrangement.

Mining dust leakage monitoring device, wherein, the second air duct front end sets up ventilation blower fan front side.

Mining dust leakage monitoring devices, wherein, the second monitoring pipeline is kept away from dust sensor one end intercommunication has the third air duct, the third air duct is kept away from second monitoring pipeline one end direction ventilation blower air exit.

Mining dust leakage monitoring devices, wherein, be provided with the control valve on the first monitoring pipeline, the control valve is set up to control first monitoring pipeline switches on and is closed.

Mining dust leakage monitoring device, wherein, dust sensor electricity is connected with audible-visual annunciator, just the sensor is set up to detect when dust concentration is higher than the setting value, control audible-visual annunciator reports to the police.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with monitoring devices, can monitor the dust through the ventilation blower, outwards discharge through the ventilation blower because of the air current of exhaust shaft, and then can monitor the dust of exhaust shaft, monitor the dust volume and exceed standard, can in time take relevant measure to guarantee personnel's life safety in the pit, avoid the potential safety hazard.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

Detailed Description

Referring to fig. 1, it should be understood by those skilled in the art that the terms "upper", "one end", "the other end", "parallel", etc. in the disclosure of the present invention are based on the orientations and positional relationships shown in the drawings, which are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the above terms should not be construed as limiting the present invention. The embodiment is a mining dust leakage monitoring device, including ventilation blower 100, still include monitoring devices 200, monitoring devices 200 is set up to the dust that can monitor through ventilation blower 100, through being provided with monitoring devices 200, can monitor the dust through ventilation blower 100, and the air current because of the exhaust shaft passes through ventilation blower 100 and outwards discharges, and then can monitor the dust of exhaust shaft, monitors that the dust volume exceeds standard, can in time take relevant measure and guarantee personnel's life safety in the pit, avoids the potential safety hazard.

In the mining dust leakage monitoring device provided by this embodiment, the monitoring device 200 includes a first monitoring pipe 210 and a dust sensor 230, the first monitoring pipe 210 extends into an air inlet of the ventilator 100, and the other end of the first monitoring pipe is connected with the dust sensor 230, it should be noted that the dust sensor 230 includes an inlet and an outlet, the first monitoring pipe 210 is connected with the inlet of the dust sensor 230, dust enters the first monitoring pipe 210 through the air inlet of the first monitoring pipe 210, and then enters the dust sensor 230, so that dust passing through the ventilator 100 can be monitored; the outlet of the dust sensor 230 can be further connected with a second monitoring pipeline 220, the second monitoring pipeline 220 is communicated with the sensor outlet, and the existence of the second monitoring pipeline 220 can avoid that the dust sensor 230 directly discharges dust, so that the dust discharging speed is too high, and further the monitoring is inaccurate; the first monitoring pipe 210 is provided with a control valve 211, the control valve 211 is configured to control the first monitoring pipe 210 to be opened and closed, the control valve 211 may be a stop valve, and is not specifically limited herein, and the control valve 211 may be closed when the monitor is repaired or needed through the control valve 211, so that the first monitoring pipe 210 does not pass through the airflow.

In the mining dust leakage monitoring device provided by the embodiment, the end, far away from the dust sensor 230, of the first monitoring pipeline 210 is provided with the air guide piece 240, the air guide piece 240 guides the airflow at the air inlet of the ventilator 100 into the first monitoring pipeline 210 for mining, and after the airflow is guided into the first monitoring pipeline 210, the airflow passes through the dust sensor 230, so that the monitoring of dust in the ventilator 100 is completed; illustratively, the air guide member includes a first air guide tube 241 and a second air guide tube 242, one end of the first air guide tube 241 is communicated with the first monitoring tube 210, that is, one end of the first monitoring tube 210 away from the dust sensor 230 is communicated with one end of the first air guide tube 241, which passes through the housing of the ventilator 100 and enters the interior of the ventilator 100, it should be noted that the first air guide tube 241 passes through the housing of the ventilator 100 and needs to be sealed with the housing 100 of the ventilator, when the sealing is performed, the sealing may be performed by using adhesive tape glue, which is not limited herein, and is communicated with one end of the second air guide tube 242, which is away from the first air guide tube 241, is disposed at the front side of the fan 100, and the second air guide tube 242 is disposed in parallel to the air flow direction of the ventilator, that the air flow may be blown directly in parallel to the second air, the air current is detected by the dust sensor 230 after passing through the first guide pipe 241 and the first monitoring pipeline 210 to determine whether dust is contained, and the air inlet of the second air duct 242 is arranged at the front side of the ventilator fan, so that the dust can be detected without being blocked by the fan blades, and the detection is accurate; the exemplary one end of second monitoring pipeline 220 is kept away from dust sensor 230 and is linked with third air duct 250, and the one end of third air duct 250 is kept away from second monitoring pipeline 220 and is led the ventilation blower 100 air exit, avoids passing through dust sensor 230 air current and exhausting to other places, causes the damage to the blast well.

In the mining dust leakage monitoring device provided by the embodiment, the dust sensor 230 is electrically connected with the audible and visual alarm 300, and the sensor 230 is configured to control the audible and visual alarm 300 to give an alarm when the dust concentration detected by the dust sensor 230 is higher than a set value, and control the audible and visual alarm 300 to give an alarm when the dust concentration detected by the dust sensor 230 is higher than the set value; it should be noted that the audible and visual alarm 300 may be disposed at a desired location, such as a control room, and the like, and the location is not specifically limited herein

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (7)

1. A mine dust leakage monitoring device comprises a ventilator (100), and is characterized by further comprising a monitoring device (200), wherein the monitoring device (200) is arranged to monitor dust passing through the ventilator (100);

the monitoring device (200) comprises a first monitoring pipeline (210) and a dust sensor (230), the first monitoring pipeline (210) extends into an air inlet of the ventilator (100), and the other end of the first monitoring pipeline is connected with the dust sensor (230);

the dust sensor also comprises a second monitoring pipeline (220), wherein one end of the second monitoring pipeline (220) is communicated with the dust sensor (230);

the second monitoring pipeline (220) is far away from one end of the dust sensor (230) is communicated with a third air duct (250), and the third air duct (250) is far away from one end of the second monitoring pipeline (220) and leads to an air outlet of the ventilator (100).

2. A mining dust leakage monitoring device according to claim 1, characterised in that the end of the first monitoring duct (210) remote from the dust sensor (230) is provided with an air guide (240), the air guide (240) being arranged to direct airflow at the air inlet of a ventilator (100) into the first monitoring duct (210).

3. The mining dust leakage monitoring device according to claim 2, wherein the air guide member (240) comprises a first air guide pipe (241) and a second air guide pipe (242), one end of the first air guide pipe (241) is communicated with the first monitoring pipeline (210), the other end of the first air guide pipe (241) penetrates through the shell of the ventilator (100) to enter the interior of the ventilator (100) and is communicated with the second air guide pipe (242), and the air inlet of the second air guide pipe (242) is arranged to face the wind flow direction of the ventilator (100).

4. The mining dust leakage monitoring device according to claim 3, characterized in that the second air duct (242) is arranged in parallel with the wind flow direction of the ventilator (100).

5. A mine dust leakage monitoring device according to claim 4, characterized in that the front end of the second air duct (242) is arranged in front of the fan of the ventilator (100).

6. A mining dust leakage monitoring device according to claim 1, characterized in that a control valve (211) is arranged on the first monitoring pipe (210), and the control valve (211) is arranged to control the first monitoring pipe (210) to be conducted and closed.

7. A mining dust leakage monitoring device according to claim 1, characterized in that the dust sensor (230) is electrically connected with an audible and visual alarm (300), and the sensor (230) is configured to control the audible and visual alarm (300) to give an alarm when detecting that the dust concentration is higher than a set value.