阅读说明：本技术 一种用于井下钻孔的智能除尘系统及方法 (Intelligent dust removal system and method for underground drilling ) 是由 胡胜勇 王晓光 孙健 张浩然 贾贝贝 王晓斌 于 2021-09-30 设计创作，主要内容包括：一种用于井下钻孔的智能除尘系统及方法,适用于煤矿井下钻孔打眼过程中产生的粉尘进行除尘,智能除尘系统由信息采集系统、信息处理系统信息控制系统组成,信息采集系统实时采集监测钻孔打眼现场环境的粉尘浓度,钻机电动机温度以及振动频率并将信息实时反馈给信息处理系统。信息处理系统接收信息并将指令下达至信息控制系统。信息控制系统接收信息处理系统下达的指令,根据钻头的位置调整降尘罩的位置和大小,实现在钻孔打眼过程中降尘的目的。本发明三部分配合运行、循环修正实现在矿井下进行钻孔打眼时进行有效除尘,确保了作业人员安全工作。(The intelligent dust removal system is composed of an information acquisition system and an information processing system information control system, wherein the information acquisition system acquires and monitors the dust concentration of a drilling and drilling site environment in real time, and the temperature and vibration frequency of a drilling machine motor feed back information to the information processing system in real time. The information processing system receives the information and issues instructions to the information control system. The information control system receives an instruction issued by the information processing system, and adjusts the position and the size of the dust falling cover according to the position of the drill bit, so that the aim of dust falling in the drilling and punching process is fulfilled. The three parts of the dust removing device are matched for operation and cyclic correction, so that effective dust removal is realized when drilling and drilling are carried out under a mine, and the safe work of operating personnel is ensured.)

1. The utility model provides an intelligence dust pelletizing system for drilling in pit which characterized in that: the system is composed of an information acquisition system (a), an information processing system (b) and an information control system (c), wherein the information acquisition system (a) is composed of a dust sensor (1), a temperature sensor (2) and a vibration monitoring analyzer (9); the information processing system (b) is composed of a CPU processor (3); the CPU processor (3) is connected with the dust sensor (1), the temperature sensor (2), the vibration monitoring analyzer (9) and the switch (4); the information control system (c) is composed of a switch (4), a dust collection cover (5), a dust collection cylinder (6), a dust collection pipe (7) and dust collection equipment (8); the information acquisition system (a) acquires and monitors the dust concentration, the temperature and the vibration frequency of a drilling machine motor in the drilling and drilling site environment in real time and feeds information back to the information processing system in real time; the dust sensor (1) collects the concentration information of dust in the drilling and drilling process; the temperature sensor (2) collects the temperature information of a drilling machine motor and an explosion-proof motor of dust removing equipment in the drilling and drilling process; a vibration monitoring analyzer (9) collects vibration frequency information of a drilling machine motor and an explosion-proof motor of a dust removing device (8) in the drilling and drilling process; the information processing system (b) receives the information and issues an instruction to the information control system (c); and the information control system (c) receives the instruction issued by the information processing system and adjusts the position and the size of the dust falling cover according to the position of the drill bit, so that the aim of efficiently falling dust in the drilling and drilling process is fulfilled.

2. The intelligent dust removal system for a downhole borehole of claim 1, wherein: and the CPU (3) receives the information of the dust concentration, the motor temperature and the motor vibration frequency acquired by the information acquisition system (a) and gives an instruction to a switch in the information control system (c) according to the information.

3. The intelligent dust removal system for a downhole borehole of claim 1, wherein: the dust collection cover (5) adjusts the position and the size of the dust collection cover (5) according to the concentration and the diffusion range of dust generated in the drilling and drilling process to control the dust in a certain range.

4. The intelligent dust removal system for a downhole borehole of claim 1, wherein: the dust collecting pipe (7) collects dust collected by the dust collecting cover (5) and is connected with the drilling machine and the dust removing equipment (8).

5. The intelligent dust removal system for downhole drilling according to claim 1, wherein the dust removal method comprises the steps of:

1) starting a drilling machine and starting a system;

2) when drilling, after the coal dust is blown to the hole opening, the coal dust with large particle size is settled under the action of gravity, the dust with small particle size is diffused due to small gravity, the dust collection cover controls the diffused dust within a certain range, and the dust concentration sensor is started;

3) transmitting the collected dust concentration information to an information processing system, and judging the information by a CPU processor to determine whether the dust concentration exceeds the standard:

i, if the dust concentration sensor detects that the dust concentration reaches 10mg/m³And turning to step 4);

II, if the dust concentration detected by the dust concentration sensor is lower than 10mg/m³Then, the dust concentration is continuously detected;

4) according to the concentration of dust, an impeller in the dust removing equipment generates negative pressure with corresponding magnitude under the driving of an explosion-proof motor to suck dust-containing airflow through a dust collecting pipe, and water discharged from a water inlet pipe is sprayed to the impeller through a spiral anti-clogging nozzle to form a water film to capture the sucked dust at one time; by the quadruple dust capture and triple dehydration, high-efficiency dust removal and full dehydration according to the dust concentration are realized;

5) in the starting process of the dust removing equipment, the temperature sensor and the vibration monitoring analyzer are started to monitor whether the motors of the drilling machine and the dust removing equipment are abnormal or not in the running process:

if the temperature alarm and the vibration monitoring analyzer give out an alarm or an abnormal condition occurs, transmitting information to an information processing system, and giving an instruction of a CPU processor to a switch of an information control system to close the switch and stop the system;

and II, if the temperature alarm and the vibration monitoring analyzer have no abnormal condition, indicating that the system works normally temporarily, continuing monitoring.

Background

At present, the prevention and control of gas is the most important task of a coal mine, the prevention and control of gas not only relates to the life and property safety of people, but also relates to the stability of society, a large amount of dust can be generated in the drilling and drilling process, and the life and property safety of workers is seriously influenced.

In the coal mining process, large-scale mechanical equipment is needed to be used for matching operation, the mechanical equipment can crush coal mines and rock layers in the processes of drilling, drilling and blasting and tunneling, and the coal mines and the rock are crushed into fine granular solids which float in the air to form dust. Along with the continuous expansion of the mining scale of a mine, the level and the efficiency of mechanical operation are higher and higher, the content and the concentration of dust are also higher and higher, when the concentration of the dust in the coal mine is close to the explosion concentration, explosion accidents are easy to generate, and the safety of human bodies and properties is seriously threatened, so that the dust is fundamentally treated in the mining work of coal mine enterprises, and powerful guarantee can be provided for the safety of mining personnel and properties.

At present, the domestic common underground drilling dust removal device mainly adopts dry dust removal, and intelligent remote control is not realized. The conventional dust removal system is inconvenient and expensive to move downhole due to its large size, and once damaged, the replacement of the parts is time consuming and expensive.

Disclosure of Invention

The invention aims to provide an intelligent dust removal system for underground drilling and drilling of a mine, which is suitable for accurately and intelligently removing dust in a working environment when the concentration of dust generated in the underground drilling and drilling process of the mine exceeds the national standard (not less than 10mg/m 3) so as to ensure the safe operation of operators.

An intelligent dust removal system for underground drilling comprises an information acquisition system (a), an information processing system (b) and an information control system (c). The information acquisition system (a) is composed of a dust sensor (1), a temperature sensor (2) and a vibration monitoring analyzer (9), and is used for acquiring and monitoring the dust concentration, the temperature and the vibration frequency of a drilling machine motor in a drilling and drilling site environment in real time and feeding back information to the information processing system (b) in real time. The information processing system (b) is composed of a CPU (3), receives information negatively and sends instructions to the information control system (c). The information control system (c) is composed of a switch, a dust collection cover (5), a dust collection barrel (6), a dust collection pipe (7) and dust removal equipment (8), receives an instruction issued by the information processing system, and adjusts the position and the size of the dust collection cover (5) according to the position of a drill bit, so that the aim of dust fall in the drilling and punching process is fulfilled.

An intelligent dust removal method for underground drilling comprises the following steps:

1) starting a drilling machine and starting a system;

2) when drilling, after coal dust is blown to an orifice, coal dust with large particle size is settled under the action of gravity, dust with small particle size is diffused due to small gravity, a dust collection cover (5) controls the diffused dust within a certain range, and a dust concentration sensor (1) is started;

3) and transmitting the collected dust concentration information to an information processing system (b), and judging the information by a CPU (3) to determine whether the dust concentration exceeds a standard or not.

I, if the dust concentration sensor (1) detects that the dust concentration reaches 10mg/m³Turning to step 4;

II, if the dust concentration detected by the dust concentration sensor (1) is lower than 10mg/m³Then, the dust concentration is continuously detected;

4) according to the concentration of dust, an impeller in the dust removing equipment (8) generates negative pressure with corresponding magnitude under the driving of an explosion-proof motor, dust-containing air flow is sucked in through a dust collecting pipe, water discharged from a water inlet pipe is sprayed to the impeller through a spiral anti-clogging nozzle to form a water film, and the sucked dust is captured at one time; by the quadruple dust capture and triple dehydration, high-efficiency dust removal and full dehydration according to the dust concentration are realized;

5) in the starting process of the dust removing device (8), the temperature sensor (2) and the vibration monitoring analyzer (9) are started, and whether the motors of the drilling machine and the dust removing device (8) are abnormal or not in the running process is monitored.

If the temperature alarm (2) and the vibration monitoring analyzer (9) give an alarm or abnormal conditions occur, information is transmitted to the information processing system (b), and the CPU processor (3) gives an instruction to a switch of the information control system (c). Causing the switch to close. The system stops working.

And II, if the temperature alarm (2) and the vibration monitoring analyzer (9) have no abnormal condition, indicating that the system works normally temporarily, continuing monitoring.

An impeller of the dust removing device (8) is driven by an explosion-proof motor to generate negative pressure with corresponding magnitude, dust-containing air flow is sucked in through a dust collecting pipe, water discharged from a water inlet pipe is sprayed to the impeller through a spiral anti-clogging nozzle to form a water film, and dust is sucked in a capturing mode; by the quadruple dust capture and triple dehydration, high-efficiency dust removal and full dehydration according to the dust concentration are realized.

According to the invention, through the cooperation of the three parts and the cyclic correction, the efficient dust removal is realized when drilling and drilling are carried out under a mine, and the safe operation of operators is ensured.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a system diagram of the information acquisition system of the present invention;

FIG. 3 is a schematic view of a drilling machine at the connection part of the dust removing device and the invention

Wherein: 1-a dust sensor; 2- -temperature sensor; 3- -CPU processor; 4- -switch; 5- -dust cage; 6-dust collecting cylinder; 7- -dust collecting pipe; 8- -dust removal equipment; 9-vibration monitoring analyzer.

Detailed Description

An intelligent dust removal system for underground drilling comprises an information acquisition system (a), an information processing system (b) and an information control system (c). The information acquisition system (a) is composed of a dust sensor (1), a temperature sensor (2) and a vibration monitoring analyzer (9), and is used for acquiring and monitoring the dust concentration, the temperature and the vibration frequency of a drilling machine motor in a drilling and drilling site environment in real time and feeding back information to the information processing system (b) in real time. The information processing system (b) is composed of a CPU (3), receives information negatively and sends instructions to the information control system (c). The information control system (c) is composed of a switch, a dust collection cover (5), a dust collection barrel (6), a dust collection pipe (7) and dust removal equipment (8), receives an instruction issued by the information processing system, and adjusts the position and the size of the dust collection cover (5) according to the position of a drill bit, so that the aim of dust fall in the drilling and punching process is fulfilled.

An intelligent dust removal method for underground drilling comprises the following steps:

1) starting the drilling machine, and enabling the drill bit and the drill rod to rotate;

2) when drilling, after coal dust is blown to an orifice, coal dust with large particle size is settled under the action of gravity, dust with small particle size is diffused due to small gravity, a dust collection cover (5) controls the diffused dust within a certain range, and a dust concentration sensor (1) is started;

3) and transmitting the collected dust concentration information to an information processing system (c), and judging the information by a CPU (3) to determine whether the dust concentration exceeds a standard or not.

I, if the dust concentration sensor (1) detects that the dust concentration reaches 10mg/m³Turning to step 4;

II, if the dust concentration detected by the dust concentration sensor (1) is lower than 10mg/m³Then, the dust concentration is continuously detected;

4) according to the concentration of dust, an impeller in the dust removing equipment (8) generates high negative pressure under the drive of a waterproof motor, dust-containing airflow is sucked in through a dust collecting pipe (7) of a dust collecting barrel (6), water discharged from a water inlet pipe is sprayed to a water distribution disc at the front end of the impeller through a spiral anti-blocking nozzle to form a water film, and the sucked dust is captured at one time; efficient dust removal and full dehydration are realized through quadruple dust capture and triple dehydration;

5) in the starting process of the dust removing device (8), the temperature sensor (2) and the vibration monitoring analyzer (9) are started, and whether the motors of the drilling machine and the dust removing device (8) are abnormal or not in the running process is monitored.

If the temperature alarm and the vibration monitoring analyzer (9) give out an alarm or abnormal conditions occur, the information is transmitted to the information processing system (b), and the CPU processor (3) gives an instruction to the switch (4) of the information control system (c). The switch (4) is closed. The system stops working.

And II, if the temperature alarm (2) and the vibration monitoring analyzer (9) have no abnormal condition, indicating that the system works normally temporarily, continuing monitoring.