Five-in-one intelligent dust removal system for roadway driving face and use method

Abstract

The invention discloses a five-in-one intelligent dust removal system for a roadway driving working face and a using method, and belongs to the technical field of coal mine underground driving working face driving equipment. Comprising a crawler-type self-moving trolley, a dust removal and steam washing machine control system, a dust trapping and intercepting module, a dust suppression module, a dust removal and purification module and a water circulation module. A triple defense line is formed through the dust capturing and intercepting module, the dust inhibiting module and the dust removing and purifying module, high-concentration dust of a cutting roller of the heading machine is accurately captured by the large-suction-force dust capturing cover at the front end, and diffusion is reduced from the source; the middle end forms a physical barrier through an adjustable dust blocking curtain, escaped dust is intercepted, and the dust diffusion range is compressed; the tail end sprays water mist through an automatic water distribution system to restrain residual dust, dust-containing gas is deeply purified through a dust removal steam washing machine, whole-process treatment of source capture, process interception and tail end purification is achieved, the dust removal efficiency is far higher than that of single equipment, and the device is suitable for work of different types of roadways.

Description

Technical Field

[0001] This application belongs to the technical field of tunneling equipment for underground coal mine tunneling faces, specifically involving a five-in-one intelligent dust removal system for tunneling faces and its usage method. Background Technology

[0002] In recent years, the level of mechanization in my country's coal mining has continued to improve, resulting in a significant increase in dust generation during tunneling operations compared to traditional methods. Dust problems are particularly prominent in semi-coal-rock roadways, all-rock roadways, and all-coal roadways.

[0003] Currently, the coal mining industry mainly uses a combination of traditional dust control measures and specialized dust removal equipment to manage dust at the tunneling face. The former includes single or combined methods such as coal seam water injection, ventilation dilution, spray dust suppression, and personal protective equipment; the latter mainly uses a "negative pressure fan + bag filter" configuration for centralized treatment of high-concentration dust. Regarding intelligent applications, although some dust removal equipment is equipped with basic sensing modules, a complete intelligent control system has not been formed, making it difficult to adapt to the dynamic dust generation characteristics of different roadway types.

[0004] Existing equipment technology has the following problems: (1) The common problems of high dust generation and fast diffusion speed exist in the tunneling faces of semi-coal-rock, whole-rock and whole-coal roadways. Moreover, the particle size, humidity sensitivity and suspension characteristics of dust in different roadways are significantly different. For example, coarse dust particles in whole-rock roadways can easily penetrate ordinary spray barriers, while fine dust particles in whole-coal roadways can easily bypass the ventilation airflow and form local accumulation. Relying on a single dust control measure cannot be adapted to the dust characteristics of different roadways.

[0005] (2) The negative pressure fan + bag dust collector has problems such as the air inlet being far from the dust generation point, large air volume disturbance in the air supply system, and difficulty in installing the air inlet, resulting in a low dust collection rate. Moreover, dust is easy to accumulate in the dust collector and block the ventilation channel, affecting the dust removal effect and equipment life.

[0006] (3) Existing dust removal equipment is bulky, heavy, and difficult to move, and is not suitable for the limited space of the tunneling face.

[0007] (4) The level of intelligence is low, lacking dynamic monitoring of dust concentration, intelligent early warning and precise control of equipment failure, relying on manual operation, and the management efficiency is low.

[0008] Given the aforementioned deficiencies in existing equipment, there is an urgent need for a five-in-one intelligent dust removal system and its usage method for tunnel excavation faces to solve these problems. Summary of the Invention

[0009] This application provides a five-in-one intelligent dust removal system for tunnel excavation faces and its usage method, aiming to solve the problems of existing technologies being unable to adapt to different types of tunnels, having poor dust removal effects, large equipment size, difficulty in movement, poor dust reduction effect, and low intelligence.

[0010] This application provides a five-in-one intelligent dust removal system for tunnel excavation faces. The technical solution adopted is as follows: a tracked self-moving trolley, a dust removal and steam washing machine control system, a dust collection and interception module, a dust suppression module, a dust removal and purification module, and a water circulation module. The tracked self-moving trolley is used to carry the water tank, automatic dosing device, and dust removal steam washing machine, and can move autonomously as the tunnel face advances. The dust collection and interception module includes a high-suction dust collection hood and an adjustable dust curtain. The high-suction dust collection hood is installed near the cutting drum of the tunneling machine and is connected to the dust removal and steam washing machine through a connecting device. The adjustable dust curtain is installed around the high-suction dust collection hood. The dust suppression module is an automatic water distribution system, which is connected to a water tank and sprays water mist through nozzles distributed on the working surface. The dust removal and purification module includes a dust removal steam washing machine, which is used to separate and treat the inhaled dust-laden gas; The water circulation module includes a water tank, an automatic dosing device, and a wastewater purifier. The automatic dosing device is connected to the water tank, and the wastewater purifier is connected to the dust removal and steam washing machine through a pipeline. The wastewater purifier, automatic dosing device, water tank, tracked self-propelled trolley, dust removal steam washing machine, high-suction dust collection hood, adjustable dust curtain and automatic water distribution system are all connected to the dust removal steam washing machine control system via wired or wireless network. The dust removal steam washing machine control system is used to receive monitoring information and control the operation of each device according to the preset program.

[0011] Furthermore, the automatic dosing device can add specific agents to the water in the water tank to enhance the water's ability to adsorb and settle dust.

[0012] Furthermore, the dust removal and steam washing machine control system has functions such as dynamic monitoring of dust concentration, intelligent early warning of equipment failure, precise adjustment of parameters of each device, and fault self-check protection.

[0013] Furthermore, all equipment in the system is made of antistatic and flame-retardant materials, making it suitable for harsh underground environments such as dampness, dust, and explosiveness.

[0014] A method for using a five-in-one intelligent dust removal system for tunnel excavation faces includes the following steps: S1. Equipment Installation: Place the tracked self-propelled trolley in the appropriate position, install the water tank, automatic dosing device, and dust removal steam scrubber on top of it and connect them through pipelines; install the high-suction dust collection hood near the cutting drum of the tunneling machine and connect it to the dust removal steam scrubber, and install adjustable dust curtains around the high-suction dust collection hood; arrange the automatic water distribution system and connect it to the water tank; install the wastewater purifier and connect it to the dust removal steam scrubber; install the dust removal steam scrubber control system and connect it to each actuator, and complete parameter setting and debugging; S2. System Operation: Sensors on each actuator monitor dust concentration information in real time and transmit it to the dust removal and steam washing machine control system. The dust removal and steam washing machine control system starts the equipment according to the preset algorithm. When the tunneling machine is working, the high-suction dust collection hood collects dust and transports it to the dust removal and steam washing machine for processing. Clean gas is discharged and wastewater enters the wastewater purifier for purification. The automatic water distribution system sprays as needed, and the adjustable dust curtain maintains the appropriate state. S3. Intelligent control: When the dust concentration exceeds the set value, the dust removal and steam washing machine control system automatically increases the equipment operating power; when the equipment malfunctions, the dust removal and steam washing machine control system issues an early warning and indicates the location of the fault and the handling method.

[0015] Furthermore, in S1, the angle and position of the high-suction dust collection hood need to be adjusted so that it is aligned with the dust-generating point.

[0016] Furthermore, the wastewater purifier in S2 purifies the wastewater and enables the recycling of water resources.

[0017] The beneficial effects of this application are:

[0018] This application forms a triple defense system through a dust collection and interception module, a dust suppression module, and a dust removal and purification module. At the front end, a high-suction dust collection hood precisely captures high-concentration dust from the cutting drum of the tunneling machine (the core dust-generating point), reducing its spread at the source. In the middle, an adjustable dust curtain forms a physical barrier to intercept escaping dust and compress its spread. At the end, an automatic water distribution system sprays water mist to suppress residual dust, and a dust removal and steam washing machine deeply purifies the dust-laden gas. This achieves comprehensive treatment from source capture, process interception, to end-of-pipe purification, resulting in dust removal efficiency far exceeding that of a single device. It is applicable to various coal mine roadways, such as semi-coal-rock roadways, all-rock roadways, and all-coal roadways.

[0019] The water circulation module of this application adopts a closed-loop design of water tank, automatic dosing, sewage purification and reuse. With the addition of high-efficiency agents by the automatic dosing device, it not only enhances the adsorption and sedimentation capacity of water mist for dust, but also realizes the purification and recycling of sewage through the sewage purifier.

[0020] The dust removal and steam washing machine control system of this application has core functions such as dynamic monitoring of dust concentration, precise parameter adjustment, and fault early warning. It can automatically adjust the equipment's operating status based on the dust concentration data transmitted back by sensors in real time. When the concentration exceeds the standard, it automatically increases the power; when the concentration reaches the standard, it maintains economical operation, avoiding the lag and blindness of traditional manual control, realizing on-demand dust removal, and balancing treatment effect with energy consumption optimization.

[0021] The equipment in this application is made of antistatic and flame-retardant materials, which can withstand the complex environment of underground moisture, high dust and potential explosion, thus reducing the risk of equipment operation from the hardware level.

[0022] The equipment in this application is all carried by tracked self-moving trolleys, which can move synchronously with the advance of the tunnel face, without the need for frequent disassembly and reassembly of the equipment. Attached Figure Description

[0023] For ease of explanation, this application is described in detail below with reference to specific embodiments and accompanying drawings.

[0024] Figure 1 This is a side view of the structural schematic diagram of this application; Figure 2 This is a structural schematic diagram of the adjustable dust curtain and automatic water distribution system of this application.

[0025] In the diagram: 1. Wastewater purifier; 2. Dust removal and steam washing machine control system; 3. Automatic dosing device; 4. Water tank; 5. Tracked self-propelled trolley; 6. Dust removal and steam washing machine; 7. High-suction dust collection hood; 8. Adjustable dust curtain; 9. Automatic water distribution system. Detailed Implementation

[0026] The following are specific embodiments of this application, described in conjunction with the accompanying drawings, to further illustrate the technical solutions of this application. However, this application is not limited to these embodiments. Specific details, such as particular configurations and components, are provided in the following description merely to aid in a comprehensive understanding of the embodiments of this application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this application. Furthermore, for clarity and brevity, descriptions of known functions and structures have been omitted.

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0028] like Figure 1The specific embodiment of the five-in-one intelligent dust removal system for the tunnel excavation face shown includes a tracked self-moving trolley 5, a dust removal and steam washing machine control system 2, a dust collection and interception module, a dust suppression module, a dust removal and purification module, and a water circulation module. The tracked self-moving trolley 5 carries the water tank 4, the automatic dosing device 3, and the dust removal and steam washing machine 6, and can move autonomously as the tunnel face advances. The dust collection and interception module includes a high-suction dust collection hood 7 and an adjustable dust curtain 8. The high-suction dust collection hood 7 is installed near the cutting drum of the tunneling machine and is connected to the dust removal and steam washing machine 6 through a connecting device. The adjustable dust curtain 8 is installed around the high-suction dust collection hood 7. The dust suppression module is an automatic water distribution system 9, connected to the water tank. The system is connected to a dust removal and purification module, which sprays water mist through nozzles distributed on the working surface. The dust removal and purification module includes a dust removal and steam washing machine 6, which is used to separate and treat the inhaled dust-laden gas. The water circulation module includes a water tank 4, an automatic dosing device 3, and a sewage purifier 1. The automatic dosing device 3 is connected to the water tank 4, and the sewage purifier 1 is connected to the dust removal and steam washing machine 6 through a pipeline. The sewage purifier 1, the automatic dosing device 3, the water tank 4, the tracked self-moving trolley 5, the dust removal and steam washing machine 6, the high-suction dust collection hood 7, the adjustable dust curtain 8, and the automatic water distribution system 9 are all connected to the dust removal and steam washing machine control system 2 through wired or wireless networks. The dust removal and steam washing machine control system 2 is used to receive monitoring information and control the operation of each device according to a preset program.

[0029] Specifically, all equipment in the system is made of antistatic and flame-retardant materials, making it suitable for harsh underground environments such as dampness, dust, and explosiveness. It also features fault self-diagnosis and protection functions to extend the service life of the equipment.

[0030] Specifically, when the tunneling machine starts operating, the dust removal and steam washing machine control system 2 activates the corresponding module based on the dust sensor data on the high-suction dust collection hood 7. The tracked self-moving trolley 5, carrying the dust removal equipment, moves synchronously with the tunneling progress, maintaining the effective distance between the high-suction dust collection hood 7 and the cutting drum. The negative pressure airflow generated by the high-suction dust collection hood 7 directly sucks the dust generated during cutting into the dust removal and steam washing machine 6. At the same time, the adjustable dust curtain 8 unfolds to form an enclosed area to prevent dust from overflowing. Uncaptured suspended dust is amplified and settled by the water mist sprayed by the automatic water distribution system 9. The dust removal and steam washing machine 6 performs gas-water mixing treatment on the high-concentration dust-laden gas, and the separated clean gas is discharged. The wastewater is transported to the wastewater purifier 1 through pipelines. The purified water re-enters the water tank 4, and with the surfactant added by the automatic dosing device 3, the dust adsorption effect of subsequent sprays is improved. The dust removal and steam washing machine control system 2 monitors the operating status of each device in real time. When the dust concentration exceeds the threshold, it automatically increases the fan speed and spray intensity, forming a dynamic adjustment mechanism.

[0031] In other preferred embodiments, the automatic dosing device 3 can add specific agents to the water in the water tank 4 to enhance the water's ability to adsorb and settle dust.

[0032] Specifically, the automatic dosing device 3 is connected to the water tank 4 via a pipeline. When the system is running, the reagent is quantitatively injected into the water tank and mixed with water to form a solution with enhanced adsorption capacity. After this solution is sprayed as a water mist through the automatic water distribution system 9, its surface-active components can effectively encapsulate hydrophobic dust particles, increasing the contact area between dust and water, thereby accelerating the wetting and settling process of the dust. At the same time, the charge characteristics of the reagent can promote the charge neutralization of suspended dust particles, further forming large particle agglomerates, which are convenient for subsequent separation and treatment by the dust removal and purification module.

[0033] In other preferred embodiments, the dust removal and steam washing machine control system 2 has functions such as dynamic monitoring of dust concentration, intelligent early warning of equipment failure, precise adjustment of parameters of each device, and fault self-check protection.

[0034] Specifically, the dust removal and steam washing machine control system 2 acquires real-time dust distribution data of the operating area through a dynamic dust concentration monitoring module and transmits the data to the control core. When the dust concentration exceeds a preset threshold, the control core sends instructions to the dust removal and steam washing machine 6 through the parameter adjustment module, such as increasing the fan speed or increasing the spray water volume. Simultaneously, equipment operating status data is continuously collected and input into the fault early warning model. If an equipment abnormality is detected, the system immediately triggers an audible and visual alarm and pushes a fault code to the operating terminal.

[0035] A method for using a five-in-one intelligent dust removal system for tunnel excavation faces includes the following steps: S1. Equipment Installation: Place the tracked self-propelled trolley 5 in the appropriate position, and install the water tank 4, automatic dosing device 3, and dust removal steam washing machine 6 on it and connect them through pipelines; install the high-suction dust collection hood 7 near the cutting drum of the tunneling machine and connect it to the dust removal steam washing machine 6; install the adjustable dust curtain 8 around the high-suction dust collection hood 7; arrange the automatic water distribution system 9 and connect it to the water tank 4; install the sewage purifier 1 and connect it to the dust removal steam washing machine 6; install the dust removal steam washing machine control system 2 and connect it to each actuator, and complete the parameter setting and debugging; S2. System Operation: Sensors of each executing device monitor dust concentration information in real time and transmit it to the dust removal and steam washing machine control system 2. The dust removal and steam washing machine control system 2 starts the equipment according to the preset algorithm. When the tunneling machine is working, the high-suction dust collection hood 7 collects dust and transports it to the dust removal and steam washing machine 6 for processing. Clean gas is discharged and sewage enters the sewage purifier 1 for purification. The automatic water distribution system 9 sprays as needed, and the adjustable dust curtain 8 maintains the appropriate state. S3. Intelligent control: When the dust concentration exceeds the set value, the dust removal and steam washing machine control system 2 automatically increases the operating power of the equipment; when the equipment malfunctions, the dust removal and steam washing machine control system 2 issues an early warning and indicates the location of the malfunction and the handling method.

[0036] Specifically, during the equipment installation phase, a tracked self-moving trolley 5 integrates a water tank 4, an automatic dosing device 3, and a dust removal and steam washing machine 6, forming a dust removal unit that can move synchronously with the working face, avoiding the repeated disassembly and reassembly problems caused by the fixed installation of traditional equipment. A high-suction dust collection hood 7 is positioned behind the cutting drum, using both negative pressure adsorption and mechanical interception to directly guide most of the initial dust generation into the dust removal and steam washing machine 6, reducing the dust diffusion path within the roadway. During the commissioning phase, the dust removal and steam washing machine control system 2 completes equipment communication protocol matching and control parameter calibration, ensuring that during operation, it can coordinate the airflow of the dust removal and steam washing machine 6, the spray frequency of the automatic water distribution system 9, and the opening and closing status of the adjustable dust curtain 8 based on dust concentration signals. During system operation, dust sensors positioned on the body of the tunneling machine and the edge of the high-suction dust collection hood 7 collect real-time particulate matter concentration data in different areas. The control system activates dust removal equipment in stages according to preset thresholds. For example, when the concentration reaches the first threshold, only the high-suction dust collection hood 7 and the adjustable dust curtain 8 are activated; when the concentration reaches the second threshold, the automatic water distribution system 9 is activated to assist in dust suppression. During the intelligent control stage, fault diagnosis algorithms are used to detect anomalies in the equipment's operating current, water pressure, and airflow parameters.

[0037] Specifically, in S1, the angle and position of the high-suction dust collection hood 7 need to be adjusted so that it is aligned with the dust-generating point. In S2, the sewage purifier 1 purifies the sewage to achieve water resource recycling.

[0038] Specifically, the wastewater generated by the dust removal and steam cleaning machine 6 when processing dust-laden gas is transported to the wastewater purifier 1. After filtration, sedimentation, or chemical treatment to remove dust particles and pollutants, the purified water is returned to the water tank 4 through the return water pipeline. The automatic dosing device 3 replenishes the water tank 4 with chemicals based on water quality monitoring data to ensure that the purified water meets the adsorption performance requirements for spray dust suppression. Thus, the system can continuously complete the dust removal operation through internal circulation without requiring a continuous external water supply.

[0039] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0040] In the description of this application, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] Those skilled in the art to which this application pertains may make various modifications or additions to the specific embodiments described, or adopt similar methods to replace them, without departing from the spirit of this application or exceeding the scope defined by the appended claims.

Claims

1. A five-in-one intelligent dust removal system for tunnel excavation face, including a tracked self-moving trolley (5), a dust removal and steam washing machine control system (2), a dust collection and interception module, a dust suppression module, a dust removal and purification module, and a water circulation module; The tracked self-moving trolley (5) is used to carry the water tank (4), the automatic dosing device (3), and the dust removal steam washing machine (6), and can move on its own as the tunnel face advances; The dust collection and interception module includes a high-suction dust collection hood (7) and an adjustable dust curtain (8). The high-suction dust collection hood (7) is installed near the cutting drum of the tunneling machine and is connected to the dust removal and steam washing machine (6) through a connecting device. The adjustable dust curtain (8) is installed around the high-suction dust collection hood (7). The dust suppression module is an automatic water distribution system (9), which is connected to the water tank (4) and sprays water mist through nozzles distributed on the working surface; The dust removal and purification module includes a dust removal steam washing machine (6) for separating and treating the inhaled dust-laden gas; The water circulation module includes a water tank (4), an automatic dosing device (3), and a sewage purifier (1). The automatic dosing device (3) is connected to the water tank (4), and the sewage purifier (1) is connected to the dust removal and steam washing machine (6) through a pipeline. The wastewater purifier (1), automatic dosing device (3), water tank (4), tracked self-moving trolley (5), dust removal steam washing machine (6), high suction dust collection hood (7), adjustable dust curtain (8) and automatic water distribution system (9) are all connected to the dust removal steam washing machine control system (2) via wired or wireless network. The dust removal steam washing machine control system (2) is used to receive monitoring information and control the operation of each device according to the preset program.

2. The five-in-one intelligent dust removal system for tunnel excavation faces according to claim 1, characterized in that, The automatic dosing device (3) can add specific agents to the water in the water tank (4) to enhance the water's ability to adsorb and settle dust.

3. The five-in-one intelligent dust removal system for tunnel excavation faces according to claim 1, characterized in that, The dust removal and steam washing machine control system (2) has functions such as dynamic monitoring of dust concentration, intelligent early warning of equipment faults, precise adjustment of parameters of each equipment, and fault self-check protection.

4. The five-in-one intelligent dust removal system for tunnel excavation faces according to claim 1, characterized in that, The system's components are made of antistatic and flame-retardant materials, making them suitable for harsh underground environments characterized by dampness, dust, and explosiveness.

5. A method for using a five-in-one intelligent dust removal system for tunnel excavation faces, characterized in that, Includes the following steps: S1. Equipment installation: Place the tracked self-propelled trolley (5) in the appropriate position, and install the water tank (4), automatic dosing device (3) and dust removal steam cleaner (6) on it and connect them through pipes; install the high suction dust collection hood (7) near the cutting drum of the tunneling machine and connect it to the dust removal steam cleaner (6), and install the adjustable dust curtain (8) around the high suction dust collection hood (7); arrange the automatic water distribution system (9) and connect it to the water tank (4); install the sewage purifier (1) and connect it to the dust removal steam cleaner (6); install the dust removal steam cleaner control system (2) and connect it to each execution device, and complete the parameter setting and debugging; S2, System Operation: Sensors of each execution device monitor dust concentration information in real time and transmit it to the dust removal and steam washing machine control system (2). The dust removal and steam washing machine control system (2) starts the equipment according to the preset algorithm. When the tunneling machine is working, the high-suction dust collection hood (7) collects dust and transports it to the dust removal and steam washing machine (6) for processing. Clean gas is discharged and sewage enters the sewage purifier (1) for purification. The automatic water distribution system (9) sprays as needed, and the adjustable dust curtain (8) maintains the appropriate state. S3. Intelligent control: When the dust concentration exceeds the set value, the dust removal and steam washing machine control system (2) automatically increases the operating power of the equipment; when the equipment malfunctions, the dust removal and steam washing machine control system (2) issues an early warning and indicates the location of the malfunction and the handling method.

6. The method of use according to claim 5, characterized in that, In S1, the angle and position of the high-suction dust collection hood (7) need to be adjusted so that it is aligned with the dust-generating point.

7. The method of use according to claim 5, characterized in that, The sewage purifier (1) in S2 purifies sewage and realizes water resource recycling.

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