CN117102167A - Mine pipeline dredging device, system and method - Google Patents

Abstract

The application relates to the technical field of mine dredging, in particular to a mine pipeline dredging device and system, wherein the device comprises: a device body; the control mechanism is arranged in the device body; the dredging pipeline is arranged outside the device body and is communicated with the mine drainage pipeline and used for discharging sediment in the mine drainage pipeline; the auxiliary dredging pipeline is arranged on the device body, and an outlet of the auxiliary dredging pipeline is connected with the dredging pipeline and is used for inputting a gas-liquid mixture into the dredging pipeline to assist dredging. The mine pipeline dredging device provided by the application comprises an auxiliary dredging pipeline, wherein the auxiliary dredging pipeline is used for mixing high-pressure gas and high-pressure mine dustproof water and outputting the mixture to the dredging pipeline, and sediment in the dredging pipeline is flushed through the gas-liquid mixture, so that the dredging effect and efficiency are improved, and the mine safety is further improved _。

Description

Mine pipeline dredging device, system and method

Technical Field

The application relates to the technical field of mine dredging, in particular to a mine pipeline dredging device, system and method.

Background

Dendritic drainage pipeline systems such as a drilling drainage pipe, a drilling nest drainage centralized pipe, a roadway branch pipe, a mining differentiating pipe, a mine main pipe and the like are arranged in the mine. In the process of pumping, clogging is generated due to accumulation of slag stones and other foreign matters in the pumping holes.

In order not to affect the drainage effect, a foreign matter concentration device (a U-shaped pipe, etc.) is arranged in a pipeline system in the related art, and the devices are connected with a valve, and the device adopts a manual mode, periodically and manually inspects, periodically opens an inspection hole and performs slag discharge treatment periodically or irregularly.

However, the foreign matters and impurities in the pipeline are accumulated in the pipeline under the action of gravity in the practical application process, and the foreign matters can be deposited on the inner wall of the pipeline, however, the existing cleaning mode cannot effectively clean the foreign matters and impurities of different types, and certain clogging is easy to form, so that the dredging effect is poor.

Disclosure of Invention

Accordingly, the present application is directed to a dredging device, system and method for mine pipeline to improve dredging effect of mine pipeline.

In a first aspect, an embodiment of the present application provides a mine pipeline dredging apparatus, the apparatus including:

a device body;

the control mechanism is arranged in the device body;

the dredging pipeline is arranged outside the device body and is communicated with the mine drainage pipeline and used for discharging sediment in the mine drainage pipeline;

the auxiliary dredging pipeline is arranged on the device body, and an outlet of the auxiliary dredging pipeline is connected with a dredging pipeline corresponding to the mine drainage pipeline and is used for inputting a gas-liquid mixture into the dredging pipeline to assist dredging.

With reference to the first aspect, the auxiliary dredging pipe includes:

the gas circuit comprises an inlet end and an outlet end, the gas circuit is arranged on the device body, and the inlet end is connected with gas;

the liquid path is arranged below the gas path, and the inlet end of the liquid path is connected with mine dust-proof liquid flow.

With reference to the first aspect, the method further includes: the electromagnetic valves are respectively arranged on the gas path and the liquid path; the two electromagnetic valves are respectively connected with the control mechanism.

With reference to the first aspect, the device further comprises a tee;

the three-way pipe comprises first to third sub-pipes, and the first to second sub-pipes are respectively connected with the outlet end of the gas circuit and the outlet end of the liquid circuit; the third sub-pipe is communicated with a slag discharging pipeline so as to output a gas-liquid mixture to the slag discharging pipeline.

With the combination of the first aspect, the dredging device further comprises a water gun which is arranged at one end, close to the dredging pipeline, of the third sub-pipe; the steam-water gun comprises a gas-liquid inlet and at least one gas-liquid outlet, and the gas-liquid inlet is communicated with the third sub-pipe.

With reference to the first aspect, the soda gun comprises first to third gas-liquid outlets, and the first gas-liquid outlet and the second gas-liquid outlet are arranged opposite to each other along a first direction; the third gas-liquid outlet and the outlet end of the third sub-pipe are arranged in opposite directions along a second direction;

wherein the first direction is perpendicular to the second direction.

With reference to the first aspect, the first separator is further included;

the first partition board is arranged in the device body so as to divide the space in the device body into areas;

the air channel and the liquid channel are respectively arranged above and below the first partition board; the first partition plate is provided with a through hole; the three-way pipe passes through the through hole to connect the gas circuit and the liquid circuit.

With reference to the first aspect, the control mechanism is connected with a power supply circuit.

In a second aspect, the present application provides a dredging system for mine pipelines, comprising a device as claimed in the claims and a plurality of dredging pipelines, wherein the dredging pipelines are respectively in one-to-one correspondence with a plurality of pumping pipelines; and the dredging pipelines are respectively connected with auxiliary dredging pipelines in the device.

In a third aspect, the present application provides a mine pipeline dredging system, which is applied to the control mechanism in the mine pipeline dredging system as claimed in claim 9, wherein a first valve is arranged on a connecting pipeline of each dredging pipeline and the auxiliary dredging pipeline, the first valve is in communication connection with the control mechanism, a flow sensor is arranged in a pumping pipeline corresponding to each dredging pipeline, and the flow sensor is in communication connection with the main control mechanism; the method comprises the following steps:

for each dredging pipeline, periodically acquiring the current air flow value in the pumping pipeline corresponding to the dredging pipeline detected by the flow sensor;

calculating the air flow variation according to the current air flow value and the previous air flow value;

judging whether the airflow variation is smaller than a set threshold value or not;

if yes, the first valve corresponding to the dredging pipeline is controlled to be opened so as to conduct the auxiliary dredging pipeline and the control mechanism of the connecting pipeline control mechanism of the dredging pipeline.

The embodiment of the application has the following beneficial effects:

the application provides a mine pipeline dredging device, a system and a method, wherein the device comprises the following components: a device body; the control mechanism is arranged in the device body; the dredging pipeline is arranged outside the device body and is communicated with the mine drainage pipeline and used for discharging sediment in the mine drainage pipeline; the auxiliary dredging pipeline is arranged on the device body, and an outlet of the auxiliary dredging pipeline is connected with the dredging pipeline and is used for inputting a gas-liquid mixture into the dredging pipeline to assist dredging.

The mine pipeline dredging device comprises an auxiliary dredging pipeline, and is used for mixing high-pressure gas and high-pressure mine dustproof water and then outputting the mixture to the dredging pipeline, and flushing sediment in the dredging pipeline through the gas-liquid mixture, so that dredging effect and efficiency are improved, and mine safety is further improved.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a dredging device for mine pipelines according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a water and steam gun in a dredging device for mine pipelines according to an embodiment of the application;

FIG. 3 is a flow chart of a dredging method for mine pipelines provided by an embodiment of the application;

fig. 4 is a schematic structural diagram of another dredging device for mine pipelines according to an embodiment of the present application.

The reference numerals are as follows:

10-device body, 20-control mechanism, 30-dredging pipeline, 31-first valve, 32-second valve, 40-auxiliary dredging pipeline, 41-gas circuit, 42-liquid circuit, 43-pneumatic control valve, 50-solenoid valve, 60-tee pipe, 70-steam-water gun, 80-first baffle, 90-man-machine interaction interface, 100-second baffle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

For ease of understanding the present embodiment, the following description will be given for simplicity of description of the technology to which the present application relates.

Protruding mine: the mine is defined as an outburst mine as long as coal and gas outburst occurs once in the mining process.

It should be noted that references to "first," "second," etc. in this disclosure are for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that such terms are interchangeable under appropriate circumstances such that the embodiments described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

After a technical description related to the present application is introduced, a brief description of an application scenario of an embodiment of the present application is provided below.

Dendritic drainage pipeline systems such as a drilling drainage pipe, a drilling nest drainage centralized pipe, a roadway branch pipe, a mining differentiating pipe, a mine main pipe and the like are arranged in the mine. In the process of pumping, clogging is generated due to accumulation of slag stones and other foreign matters in the pumping holes.

In order not to influence the drainage effect, set up foreign matter centralized arrangement in the pipe-line system among the correlation technique, foreign matter, impurity in the pipeline pile up in the pipeline under the action of gravity in the practical application in-process, can deposit the foreign matter equally on the pipeline inner wall, can not effectively clear up different grade type foreign matter, impurity, easily form certain siltation, lead to the desilting effect poor.

In order to solve the above technical problems, referring to fig. 1, the present application provides a mine pipeline dredging device, which includes: the device comprises a device body 10, a control mechanism 20, a dredging pipeline 30 and an auxiliary dredging pipeline 40.

The control mechanism 20 is provided in the apparatus body 10.

The dredging pipeline 30 is arranged outside the device body 10, and the dredging pipeline 30 is communicated with a mine drainage pipeline and is used for draining sediment in the mine drainage pipeline.

The auxiliary dredging pipe 40 is provided on the device body 10, and an outlet of the auxiliary dredging pipe is connected with the dredging pipe 30, and is used for inputting a gas-liquid mixture into the dredging pipe 30 to assist dredging.

In this embodiment, an auxiliary dredging pipe 40 connected to the dredging pipe 30 is provided to input a gas-liquid mixture into the dredging pipe 30 to assist dredging, so as to wash out foreign matters and sludge deposited on the inner wall of the pipe, thereby improving the dredging effect and further improving the mine safety.

With reference to the first aspect, the auxiliary dredging line 40 includes: gas path 41 and liquid path 42.

The air channel 41 is arranged in the device body 10, the air channel 41 comprises an inlet end and an outlet end, and the inlet end of the air channel 41 is connected with an air source; in the practical application process, the pressure of the gas is 5-7 Pa, and the high-pressure gas blows the sediment in the mine pipeline.

The liquid path 42 is arranged below the air path 41 in the device body 10, and the inlet end of the liquid path 42 is connected with mine dust-proof liquid flow.

In this embodiment, high-pressure gas is connected through a gas path, high-pressure mine dustproof water is connected through a liquid path 42, high-pressure gas and high-pressure dustproof liquid flow are input into a dredging pipeline 30 connected with a mine drainage pipeline, and then foreign matters and sludge deposited under the flushing of the high-pressure gas and liquid fall off from the inner wall of the dredging pipeline 30, and the fallen foreign matters and sludge are discharged from a dredging outlet of the dredging pipeline 30 under the action of gravity. Thus, the sediment can be flushed clean, and the dredging effect is improved.

In combination with the first aspect, the apparatus further comprises a second partition 100 (shown in combination with fig. 4), and the second partition 100 is configured to separate the electrical component (including the control mechanism 20 and the man-machine interface 90) from the auxiliary dredging pipe 40, so as to isolate the electrical component from the high-pressure steam and water, and prevent damage to electrical equipment and devices caused by water and gas leakage.

With reference to the first aspect, the apparatus further includes: a solenoid valve 50.

Two electromagnetic valves 50 are respectively arranged on the air path 41 and the liquid path 42; the two solenoid valves are connected to the control mechanism 20, respectively.

The solenoid valve 50 is controlled to be opened or closed by the control mechanism 20, so that the conduction state or the blocking state of the air path 41 and the liquid path 42 is adjusted. For example, the solenoid valve 50 provided in the gas path 41 is controlled to open by the control mechanism 20, and the solenoid valve 50 provided in the liquid path 42 is controlled to close by the control mechanism 20, so that the substance for flushing the sludge contains only high-pressure gas. The connection mode between the electromagnetic valve 50 and the control mechanism 20 may be a line connection, one end of the line passing through a small hole formed in the second partition plate 100 is connected with the electromagnetic valve 50, the other end is connected with the control mechanism 20, and a control signal of the control mechanism 20 is transmitted to the electromagnetic valve 50 through the line to open or close the electromagnetic valve 50; as another implementation, a wireless communication connection may be used to control the opening or closing of the solenoid valve 50 through wireless signal transmission. The above methods are all prior art, and are generally applied to various control systems in daily life, and are not limited herein.

As an implementation manner, the opening angle of the two electromagnetic valves 50 can be controlled by the control mechanism 20, so that the content and the proportion of the gas and the liquid in the gas-liquid mixture can be adjusted, and the process can be set according to different use requirements, and is not limited herein.

With reference to the first aspect, the apparatus further comprises a tee 60.

The tee 60 includes first to third sub-pipes, which are respectively connected to the outlet end of the air path 41 and the outlet end of the liquid path 42; the third sub-pipe is communicated with the dredging pipe 30 to output the gas-liquid mixture to the dredging pipe 30.

With reference to the first aspect, the apparatus further comprises a water gun 70.

The steam-water gun 70 is arranged at one end of the third sub-pipe, which is close to the dredging pipeline 30, and the gas-liquid mixture is input into the steam-water gun 70 and then output to the dredging pipeline 30, so that sediment in the dredging pipeline 30 is flushed.

With reference to the first aspect, the soda gun 70 further includes at least one gas-liquid outlet.

As shown in connection with fig. 2, the soda gun 70 in this embodiment includes first to third gas-liquid outlets.

The first gas-liquid outlet and the second gas-liquid outlet are oppositely arranged along the first direction; the third gas-liquid outlet and the outlet end of the third sub-pipe are arranged in opposite directions along the second direction; wherein the first direction is perpendicular to the second direction.

In practice, when the water gun 70 includes a gas-liquid outlet, the preferred position of the gas-liquid outlet is opposite to the water inlet.

Referring to fig. 2, in this embodiment, the steam-water gun 70 adopts a three-outlet spiral structure, and the sprayed steam-water mixture moves in a spiral shape, so that a better flushing effect can be achieved.

The gas-liquid mixture having a relatively high pressure is rapidly ejected from the first to third gas-liquid outlets into the dredging line 30, thereby flushing out sludge in the dredging line 30.

With reference to the first aspect, the apparatus further comprises a first partition 80.

The first partition 80 is disposed inside the apparatus body 10 to divide the internal space of the apparatus body 10 into regions.

Wherein the air channel 41 and the liquid channel 42 are respectively arranged above and below the first partition board; the first partition 80 is provided with a through hole; through which the tee 60 passes to connect the gas circuit 41 and the liquid circuit 42.

With reference to the first aspect, the apparatus further includes a human-machine interaction interface 90.

The man-machine interface 90 is disposed on the device body 10, and the man-machine interface 90 is electrically connected to the control mechanism 20. The opening angle of the two electromagnetic valves 50 can be adjusted through the man-machine interaction interface 90, so that the content and the proportion of the gas and the liquid in the gas-liquid mixture can be adjusted.

In this embodiment, before the dredging operation starts, the second valve 32 on the dredging pipe 30 near the dredging outlet is first opened, the second valve 32 may be one of any type of valve, such as a pneumatic valve, an electromagnetic valve, a manual valve, etc., and is not limited herein, in this embodiment, the second valve 32 is a pneumatic valve, and is connected to a high pressure gas pipe, and the high pressure gas pipe is used to introduce high pressure gas into the pneumatic valve under the control instruction of the control mechanism 20, so as to open the pneumatic valve.

Then, the pneumatic control valve 43 on the auxiliary dredging pipe 40 is opened, and similarly, the pneumatic control valve 43 is connected with a high-pressure gas pipe, the high-pressure gas pipe is in communication connection with the control mechanism 20, and after receiving a dredging instruction sent by the control mechanism 20, high-pressure gas is output to the pneumatic control valve 43 through the high-pressure gas pipe so as to open the pneumatic control valve 43, so that the high-pressure gas is introduced into the gas path 41.

Subsequently, the dredging operation is started, the two electromagnetic valves 50 are opened firstly, high-pressure gas enters from the gas path 41, high-pressure mine dustproof water enters from the liquid path 42, gas-liquid mixture is formed by mixing the high-pressure gas and the high-pressure mine dustproof water in the movement process, preferably, a first valve 31 is arranged between the auxiliary dredging pipeline 40 and the dredging pipeline 30, the first valve 31 is opened to conduct the auxiliary dredging pipeline 40 and the dredging pipeline 30, so that the high-pressure gas-liquid mixture is output to the dredging pipeline 30 through the gas-water gun 70 to wash sediment in the dredging pipeline 30, and the sediment is discharged from a dredging outlet at the bottom of the dredging pipeline 30 under the action of gravity.

With reference to the first aspect, the control mechanism 20 is connected to a power supply circuit to obtain electric power.

In a second aspect, the present embodiment provides a dredging system for mine pipelines, including the device and a plurality of dredging pipelines 30, where the dredging pipelines 30 are respectively in one-to-one correspondence with a plurality of drainage pipelines; the plurality of dredging lines 30 are each connected to an auxiliary dredging line 40 (not shown) within the apparatus.

In this way, the multiple dredging pipelines 30 can be cleaned in an auxiliary manner, and in particular, the high-pressure gas-liquid mixture is conveyed into the multiple dredging pipelines to wash out the sediment on each dredging pipeline 30, so that the quick discharge of the sediment is promoted, and the dredging efficiency is improved.

In a third aspect, the present embodiment provides a mine pipeline dredging method, which is applied to the control mechanism 20 in the mine pipeline dredging system, wherein a first valve 31 is disposed on a connecting pipeline of each dredging pipeline 30 and an auxiliary dredging pipeline 40, the first valve 31 is in communication connection with the control mechanism 20, a flow sensor is disposed in a pumping pipeline corresponding to each dredging pipeline 30, and the flow sensor is in communication connection with the control mechanism 20; as shown in connection with fig. 3, the method comprises:

s110, periodically acquiring the current air flow value in the pumping pipeline corresponding to the dredging pipeline detected by the flow sensor aiming at each dredging pipeline.

S120, calculating the air flow change amount according to the current air flow value and the previous air flow value.

S130, judging whether the airflow variation is smaller than a set threshold.

If yes, go to step S140.

And S140, controlling the opening of a first valve corresponding to the dredging pipeline to conduct a connecting pipeline of the auxiliary dredging pipeline and the dredging pipeline.

In this embodiment, the airflow variation is calculated by monitoring the airflow in the drainage pipeline, and whether the current drainage pipeline is likely to have clogging is determined according to the comparison relation between the airflow variation and the set threshold value, because the airflow variation Δp=p _{When (when)} -P _{Front part} Therefore, Δp in the case where the current air flow is smaller than the previous air flow<0, at this time, it can be determined that the sludge content in the current suction line is increased as compared with that at the previous collection time. Thus (2)We set a threshold P0<0. When DeltaP<At P0, it can be determined that the sludge in the suction line is already more at the current collection time, and cleaning is necessary, and at this time, the first valve 31 is controlled to be opened to clean the sludge under high-pressure flushing of the gas-liquid mixture.

Preferably, the sludge in the drill hole or the position to be cleaned can be cleaned by lengthening the auxiliary dredging pipeline 40 to the position to be cleaned in the drill hole or the belt mine.

Preferably, the sediment content in the pumping pipeline can be finely divided by increasing the threshold quantity, so that more precise control can be realized.

In practical application, the dredging device is connected with the drilling group monitoring system, and when monitoring data in the drilling group monitoring system reach a preset dredging standard, the dredging device provided by the embodiment of the application is started to carry out dredging treatment on the drilling group in the mine. For example, the mine dredging device provided by the embodiment of the application is connected with an outburst mine monitoring system. In the outburst mine monitoring system, whether the mine pipeline is blocked or not is judged by monitoring the gas content in the mine pipeline, if yes, the dredging device is started to dredge the mine pipeline of the outburst mine, and the pipeline is prevented from being blocked.

Preferably, a plurality of dredging devices provided by the application are added to a mine management system, the dredging devices are specifically arranged at positions to be dredged, a control mechanism 20 of each dredging device is in communication connection with the mine management system, a dredging plan is set through the mine management system, for example, regular dredging, set-point dredging, automatic dredging and the like, when dredging conditions corresponding to the dredging devices are achieved for each dredging device, the mine management system sends dredging instructions to the control mechanism 20 of the dredging device, the control mechanism 20 receives the dredging instructions, and the dredging device is started to execute dredging. Therefore, dredging management of the whole mine can be achieved, and the dredging device is controlled to start and stop in a communication connection mode (such as Wifi, bluetooth, a network port, an optical port and an operator network). The mine safety is improved, and the mine safety is convenient to manage, easy to adjust and set and beneficial to realizing management automation.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.

In addition, in the description of embodiments of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood by those skilled in the art in specific cases.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above examples are only specific embodiments of the present application for illustrating the technical solution of the present application, but not for limiting the scope of the present application, and although the present application has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present application is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. A mine line dredging device, comprising:

a device body;

the control mechanism is arranged in the device body;

the dredging pipeline is arranged outside the device body and is communicated with the mine drainage pipeline and used for discharging sediment in the mine drainage pipeline;

the auxiliary dredging pipeline is arranged on the device body, and an outlet of the auxiliary dredging pipeline is connected with a dredging pipeline corresponding to the mine drainage pipeline and is used for inputting a gas-liquid mixture into the dredging pipeline to assist dredging.

2. The apparatus of claim 1, wherein the auxiliary dredging line comprises:

the gas circuit comprises an inlet end and an outlet end, the gas circuit is arranged on the device body, and the inlet end is connected with gas;

the liquid path is arranged below the gas path, and the inlet end of the liquid path is connected with mine dust-proof liquid flow.

3. The apparatus as recited in claim 2, further comprising: the electromagnetic valves are respectively arranged on the gas path and the liquid path; the two electromagnetic valves are respectively connected with the control mechanism.

4. The apparatus of claim 2, further comprising a tee;

the three-way pipe comprises first to third sub-pipes, and the first to second sub-pipes are respectively connected with the outlet end of the gas circuit and the outlet end of the liquid circuit; the third sub-pipe is communicated with a slag discharging pipeline so as to output a gas-liquid mixture to the slag discharging pipeline.

5. The device of claim 4, further comprising a water and steam gun disposed in the third sub-pipe near one end of the dredging pipe; the steam-water gun comprises a gas-liquid inlet and at least one gas-liquid outlet, and the gas-liquid inlet is communicated with the third sub-pipe.

6. The apparatus of claim 5, wherein the soda gun includes first through third gas-liquid outlets, the first gas-liquid outlet being disposed opposite the second gas-liquid outlet in a first direction; the third gas-liquid outlet and the outlet end of the third sub-pipe are arranged in opposite directions along a second direction;

wherein the first direction is perpendicular to the second direction.

7. The apparatus of claim 4, further comprising a first partition;

the first partition board is arranged in the device body so as to divide the space in the device body into areas;

the air channel and the liquid channel are respectively arranged above and below the first partition board; the first partition plate is provided with a through hole; the three-way pipe passes through the through hole to connect the gas circuit and the liquid circuit.

8. The apparatus of claim 1, wherein the control mechanism is connected to a power supply circuit.

9. A mine pipeline dredging system, which is characterized by comprising the device as claimed in any one of claims 1-8 and a plurality of dredging pipelines, wherein the dredging pipelines are respectively in one-to-one correspondence with a plurality of pumping pipeline control mechanisms; and the dredging pipelines are respectively connected with the control mechanism of the auxiliary dredging pipeline in the device.

10. The mine pipeline dredging method is characterized in that the control mechanism is applied to the mine pipeline dredging system according to claim 9, a first valve is arranged on a connecting pipeline of each dredging pipeline and the auxiliary dredging pipeline, the first valve is in communication connection with the control mechanism, a flow sensor is arranged in a pumping pipeline corresponding to each dredging pipeline, and the flow sensor is in communication connection with the control mechanism; the method comprises the following steps:

for each dredging pipeline, periodically acquiring the current air flow value in the pumping pipeline corresponding to the dredging pipeline detected by the flow sensor;

calculating the air flow variation according to the current air flow value and the previous air flow value;

judging whether the airflow variation is smaller than a set threshold value or not;

if yes, the first valve corresponding to the dredging pipeline is controlled to be opened so as to conduct the connecting pipeline of the auxiliary dredging pipeline and the dredging pipeline.