Mobile tunnel dust removal device

Abstract

The present invention discloses a mobile tunnel dust removal device, including a walking chassis, a dust removal and purification system, and an electric energy storage management system, wherein the dust removal and purification system includes a rotary telescopic arm and a dust removal fog cannon installed on the walking chassis, a flexible air duct suspended under the rotary telescopic arm, and a dust collector, a water storage water bath integrated box, and an axial flow dust removal fan connected in sequence at the air outlet end of the flexible air duct, the tail of the axial flow dust removal fan is covered with a dust collection bag, and the rotary telescopic arm drives the flexible air duct to perform rotary and telescopic movements; the electric energy storage management system is installed on the walking chassis to supply power to the dust removal and purification system and the walking chassis. The mobile tunnel dust removal device proposed by the present invention solves the problems that the existing dust removal equipment cannot absorb dust in multiple directions, the dust removal effect is poor, the harmful gas in the tunnel cannot be purified synchronously, and the conventional dust removal equipment cannot enter the dangerous area for operation.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel excavation dust removal equipment, and in particular to a mobile tunnel dust removal device. Background Art

[0002] With the gradual improvement of my country's road transportation network, a large number of railway, highway and urban rail transit construction projects are on the agenda. Due to the diverse terrain structure in my country, a large number of tunnel excavation operations are faced during construction. At present, tunnel construction is mostly carried out with the help of TBM excavation or drilling and blasting. Due to the good adaptability of drilling and blasting to various geological and cross-sectional forms and the low cost, tunnel excavation is mostly carried out by drilling and blasting. After the blasting, a large amount of dust and harmful gases will be filled in the tunnel. These dust and gases are very easy to gather near the tunnel face. The longer the tunnel and the farther away from the cave entrance, the more difficult it is to discharge the smoke and dust inside.

[0003] Duct ventilation and dust removal are commonly used in tunnel construction. The air duct is connected to the face, and the air duct is connected to an external fan for extraction or forced ventilation to replace the gas, so as to discharge the dirty gas and dust in the tunnel and improve the working environment. Although it has a certain effect, it can only solve the dust around the fixed elevation and the air intake. As the tunnel is excavated, the air duct needs to be arranged and extended for the second time, which is costly, labor-intensive, and occupies limited space in the tunnel. As the tunnel depth increases, the dust removal efficiency gradually decreases. In addition, there is a risk of falling rocks from the top of the cave within a certain range after the face blasting, and conventional dust removal vehicles find it difficult to reach the dust-rich area for operation. Summary of the invention

[0004] The main purpose of the present invention is to provide a mobile tunnel dust removal device, which aims to solve the problems that the existing dust removal equipment cannot absorb dust in multiple directions, has poor dust removal effect, cannot simultaneously purify harmful gases in the tunnel, and conventional dust removal equipment cannot enter dangerous areas for operation.

[0005] To achieve the above-mentioned purpose, the present invention provides a mobile tunnel dust removal device, including a walking chassis, a dust removal and purification system and an electric energy storage management system, wherein:

[0006] The dust removal and purification system comprises a rotating telescopic arm and a dust removal fog cannon installed on a walking chassis, a flexible air duct suspended under the rotating telescopic arm, and a dust collector, a water storage water bath integrated box and an axial flow dust removal fan connected in sequence at the air outlet end of the flexible air duct. The tail of the axial flow dust removal fan is covered with a dust collection bag, and the rotating telescopic arm drives the flexible air duct to perform rotating and telescopic movements;

[0007] The electric energy storage management system is installed on the traveling chassis to supply power to the dust removal and purification system and the traveling chassis.

[0008] Preferably, walking wheels and hydraulic legs are installed under the walking chassis, and the hydraulic system is connected to the hydraulic legs to drive them to move up and down to brake or release the brakes on the walking chassis. The walking chassis includes a front chassis and a rear chassis connected to the front chassis through a pull rod joint, a cockpit is provided on the front chassis, a dust removal and purification system is located on the front chassis, and an energy storage management system is located on the rear chassis.

[0009] Preferably, the slewing telescopic arm comprises a main arm and a secondary arm, and the main arm and the secondary arm are both composed of multiple sections of telescopic arms, and a slidable lifting ring is provided under each section of the telescopic arm to lift the flexible air duct;

[0010] A jib turntable is provided at the front end of the main arm for installing the jib, the main arm is installed on the main arm turntable and the turning action is realized through the main arm turntable, the pitch angle of the main arm is adjusted by extending the hydraulic cylinder between the main arm and the main arm turntable; the jib is located at the front end of the main arm and can turn around the jib turntable, and the jib is extended and retracted under the action of the hydraulic cylinder.

[0011] Preferably, a first steel air duct is installed between the flexible air duct and the dust collector, and the air outlet of the flexible air duct is connected to the air duct steering joint installed on the first steel air duct by a clamp, and the flexible air duct and the air duct steering joint can rotate with the main arm; the air inlet of the flexible air duct is provided with a filter screen for primary filtering of dust.

[0012] Preferably, a cage frame, dust bags and a pulse back-blowing device are provided inside the dust collector. The dust is filtered and adsorbed by the bag surface of the dust bags, and the dust attached to the bag surface is cleaned by the pulse back-blowing airflow. A dust hopper is installed under the dust collector for dust collection.

[0013] Preferably, the dust removal mist cannon includes a cylinder and a lifting mechanism, a pitch mechanism and a rotating mechanism for driving the movement of the cylinder, wherein an annular water distribution pipe, a nozzle and an axial flow fan are arranged inside the cylinder, the nozzle is installed on the annular water distribution pipe, and the annular water distribution pipe is connected to the water storage water bath integrated box through a pipeline.

[0014] Preferably, the water storage and water bath integrated box includes a box body, a guide baffle connected to the top wall of the box body, and sewage filter cotton and a filter net installed in the box body, wherein the sewage filter cotton is mounted above the filter net, and an air inlet and an air outlet are provided in the box body. The guide baffle divides the box body into two parts, and a water spray pipeline is installed on the side close to the air inlet. The water spray pipeline is connected to the box body through a water pump, and water mist is sprayed to the air inlet through a spray nozzle to perform water mist dust removal in the box.

[0015] Preferably, the spray nozzle can adjust the nozzle direction and water spray flow rate according to actual conditions; and a dust bag support frame is arranged inside the dust bag.

[0016] Preferably, the water storage water bath integrated box and the axial flow dust removal fan are connected through a second steel air duct, and a guide plate is arranged at the inner front end of the second steel air duct so that the water-containing air flow after passing through the water bath hits the guide plate, and liquid droplets adhere to the guide plate to achieve gas-water separation, and a microporous adsorption air purification device is arranged near the air inlet of the axial flow dust removal fan to adsorb and purify harmful gases.

[0017] Preferably, the electric energy storage management system includes a battery pack and an inverter and an electric energy management system electrically connected to the battery pack. The battery pack is used to store electric energy and has a charging interface that matches the charging pile; the inverter is used to convert the power system to match the power system requirements of the electrical equipment; the electric energy management system is used to prevent overcharging, over-discharging, temperature control and balance, energy system information prompts, and battery status testing and display.

[0018] The mobile tunnel dust removal device proposed in the present invention adopts an independent walking chassis, which greatly improves the flexibility of the equipment and facilitates the transfer operation; it integrates spray dust removal, bag dust removal, water bath dust removal and air purification technology to significantly improve the dust removal and purification efficiency; it adopts full electric drive to achieve zero tail gas emissions, green construction, energy saving and emission reduction. This device can improve the tunnel construction working environment, improve tunnel construction efficiency and protect the physical and mental health of construction personnel. It solves the problems that the existing dust removal equipment cannot absorb dust in multiple directions, has poor dust removal effect, cannot simultaneously purify harmful gases in the tunnel, and conventional dust removal equipment cannot enter dangerous areas for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the mobile tunnel dust removal device of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the mobile tunnel dust removal device of the present invention when it is in a moving mining operation;

[0021] Figure 3 It is a dust-containing air flow diagram of the dust removal and purification system in the mobile tunnel dust removal device of the present invention;

[0022] Figure 4 It is a schematic structural diagram of the integrated water storage and water bath box in the mobile tunnel dust removal device of the present invention.

[0023] In the figure: 1-flexible air duct, 2-auxiliary arm, 3-auxiliary arm turntable, 4-main arm, 5-main arm turntable, 6-cockpit, 7-dust collector, 8-dust removal fog cannon, 9-axial flow dust removal fan, 10-dust collection bag, 11-electric energy storage management system, 12-inverter, 13-battery pack, 14-rear chassis, 15-pull rod joint, 16-water storage water bath integrated box, 161-water spray pipeline, 162-spray nozzle, 163-guide baffle, 164-sewage filter cotton, 165-filter net, 166-water pump, 17-front chassis, 18-air duct steering joint, 19-first steel air duct, 20-second steel air duct.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0026] It should be noted that in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] Reference Figures 1 to 4 In this preferred embodiment, a mobile tunnel dust removal device includes a walking chassis, a dust removal and purification system, and an electric energy storage management system 10, wherein:

[0028] The dust removal and purification system includes a rotary telescopic arm and a dust removal fog cannon 8 installed on the walking chassis, a flexible air duct 1 suspended under the rotary telescopic arm, and a dust collector 7, a water storage water bath integrated box 16 and an axial flow dust removal fan 9 connected in sequence at the air outlet end of the flexible air duct 1. The tail of the axial flow dust removal fan 9 is covered with a dust bag 10 (the tail dust bag 10 is mainly used to prevent dust from overflowing when the front dust collection equipment fails), and the rotary telescopic arm drives the flexible air duct 1 to perform rotary motion and telescopic motion;

[0029] The electric energy storage management system 10 is installed on the traveling chassis to supply power to the dust removal and purification system and the traveling chassis (the traveling chassis is driven by electricity).

[0030] Specifically, traveling wheels and hydraulic legs are installed under the traveling chassis. The hydraulic system is connected to the hydraulic legs to drive them to move up and down to brake or release the brakes on the traveling chassis. The traveling chassis includes a front chassis 17 and a rear chassis 14 connected to the front chassis 17 through a tie rod joint 15. A cockpit 6 is provided on the front chassis 17. The dust removal and purification system is located on the front chassis 17, and the power storage management system 10 is located on the rear chassis 14.

[0031] The slewing telescopic arm comprises a main arm 4 and a secondary arm 2. The main arm 4 and the secondary arm 2 are both composed of multiple sections of telescopic arms. A slidable lifting ring is provided under each section of the telescopic arm to lift the flexible air duct 1.

[0032] The front end of the main arm 4 is provided with a jib swivel platform 3 for installing the jib 2. The main arm 4 is installed on the main arm swivel platform 5 and realizes the swivel action through the main arm swivel platform 5. The pitch angle of the main arm 4 is adjusted by the extension of the hydraulic cylinder between the main arm 4 and the main arm swivel platform 5; the jib 2 is located at the front end of the main arm 4 and can make a swivel motion around the jib swivel platform 3, and the jib 2 is extended and retracted under the action of the hydraulic cylinder. Both the main arm 4 and the jib 2 can swivel independently, which can cover the dust removal operation area to the maximum extent, reduce the damage rate of the flexible air duct 1, and avoid the flexible air duct 1 from being frequently and significantly twisted when the main arm 4 rotates at an excessive angle, thereby increasing wind resistance and reducing dust removal efficiency.

[0033] Reference Figure 3 A first steel air duct 19 is installed between the flexible air duct 1 and the dust collector 7. The air outlet of the flexible air duct 1 is connected to the air duct steering joint 18 installed on the first steel air duct 19 by a clamp. The flexible air duct 1 and the air duct steering joint 18 can rotate together with the main arm 4. When the main arm 4 rotates, the first steel air duct 19 does not move, and the flexible air duct 1 and the air duct steering joint 18 rotate together with the main arm 4, thereby avoiding the distortion and damage of the flexible air duct 1 caused by the conventional clamp connection method.

[0034] The air inlet of the flexible air duct 1 is provided with a dust filter for primary filtering of dust to prevent large particles from entering the air duct. The flexible hose can be a canvas air duct or a telescopic hose, and is pleated.

[0035] Each section of the flexible air duct 1 is provided with a hook, and a slidable hanging ring is provided on the main arm 4 and the auxiliary arm 2. The flexible air duct 1 is hung on the hanging ring below the main arm 4 and the auxiliary arm 2 through the hook.

[0036] The dust collector 7 is provided with a cage frame, dust bags and a pulse back-blowing device inside. The dust is filtered and adsorbed by the bag surface of the dust bag, and the dust attached to the bag surface is cleaned by the airflow generated by the pulse back-blowing device. A dust hopper is installed under the dust collector 7 for dust collection.

[0037] The dust removal mist cannon 8 includes a cylinder and a lifting mechanism, a pitching mechanism and a rotating mechanism for driving the cylinder to move. The cylinder is provided with an annular water distribution pipe, a nozzle and an axial flow dust removal fan 9. The nozzle is installed on the annular water distribution pipe, and the annular water distribution pipe is connected to the water storage water bath integrated box 16 through a pipeline. The cylinder can perform lifting, pitching and rotating movements to spray the tunnel comprehensively.

[0038] Reference Figure 4 The integrated water storage and water bathing box 16 includes a box body, a guide baffle 163 connected to the top wall of the box body (the guide baffle 163 divides the internal space of the box body into an air inlet side and an air outlet side), and sewage filter cotton 164 and a filter net 165 installed in the box body, wherein the sewage filter cotton 164 is mounted above the filter net 165, and an air inlet and an air outlet are provided in the box body. The guide baffle 163 divides the box body into two parts, and a water spraying pipeline 161 (preferably a ring-shaped water spraying pipeline) is installed on the side close to the air inlet. The water spraying pipeline 161 is connected to the box body through a water pump 166, and sprays water mist to the air inlet through a spray nozzle 162 to perform water mist dust removal in the box. The guide baffle 163 is set to separate the functional areas of the water storage and water bath of the box body to avoid water pollution.

[0039] The spray nozzle 162 sprays water mist at the air inlet to remove dust in the box. The water used for spraying contains chemical reagents, thereby purifying toxic and harmful gases in the airflow. After the dust is attached to the water in the box, it will settle. After the sewage passes through the sewage purification filter cotton and filter net 165 below, the clean water enters the lower layer of the box and enters the annular water spray pipeline 161 again through the water pump 166, so as to achieve recycling.

[0040] The spray nozzle 162 can adjust the nozzle direction and the water spray flow rate according to actual conditions; a dust bag support frame is arranged inside the dust bag 10.

[0041] Reference Figure 3 The water storage water bath integrated box 16 and the axial flow dust removal fan 9 are connected through a second steel air duct 20. A guide plate is arranged at the front end of the interior of the second steel air duct 20 so that the water-containing air flow after passing through the water bath hits the guide plate, and the liquid droplets adhere to the guide plate to achieve gas-water separation. A microporous adsorption air purification device is arranged near the air inlet of the axial flow dust removal fan 9 to adsorb and purify harmful gases.

[0042] Specifically, refer to Figure 1The power storage management system 10 includes a battery pack 13, an inverter 12 electrically connected to the battery pack 13, and a power management system. The battery pack 13 is used to store electric energy and has a charging interface that matches the charging pile; the inverter 12 is used to convert the power system to match the power system requirements of the power-consuming equipment; the power management system is used to prevent overcharging, over-discharging, temperature control and balance, energy system information prompts, and battery status testing and display. The battery pack 13 is connected to the power-consuming equipment through the inverter 12.

[0043] When the mobile tunnel dust removal device is in a walking but non-dust removal state, the hydraulic legs of the front chassis 17 and the rear chassis 14 are both retracted, and since the front chassis 17 and the rear chassis 14 are connected by a tie rod joint 15, synchronous movement and walking are achieved. The telescopic arms of the main arm 4 and the auxiliary arm 2 are both retracted and rotated, turning the dust removal port of the flexible air duct 1 toward the rear of the vehicle, thereby providing the driver with a good field of vision. While the main arm 4 and the auxiliary arm 2 are retracted, the flexible air duct 1 slides and retracts as the telescopic arm is retracted under the traction of the hook. The hydraulic jacking device under the dust removal fog cannon 8 is retracted, so that the height of the dust removal fog cannon 8 is lowered, and its spray port is in a horizontal state.

[0044] like Figure 1 As shown, when the mobile tunnel dust removal device is in the dust removal state, the hydraulic legs of the front chassis 17 and the rear chassis 14 are extended and in contact with the ground. Under the operation of the driver, the main arm 4 rotates around the main arm turntable 5 and makes the main arm 4 point forward. Subsequently, one end of the flexible air duct 1 is connected to the air duct steering joint 18 with a clamp, and the position of the hook and the ring above the flexible air duct 1 is adjusted. As the main arm 4 is extended and unfolded, the flexible air duct 1 is also pulled up and unfolded at the same time under the drive of the hook. The extension length is determined by the distance between the dust removal device and the working area. When the main arm 4 is unfolded and still cannot reach the dust removal operation area, the auxiliary arm 2 can rotate around the auxiliary arm turntable 3 under the action of the driving force, and the hook at the front end of the flexible air duct 1 is adjusted to the auxiliary arm 2. With the extension of the auxiliary arm 2, the flexible air duct 1 is further unfolded to reach the dust removal operation area.

[0045] In addition, during the operation, in order to avoid the collision between the main arm 4 and the cockpit 6, and to reduce the torsion and deformation of the flexible air duct 1 during the turning process, which may increase the wind resistance and damage the air duct, the device limits the turning angle of the main arm 4 and the auxiliary arm 2, and the turning angle is -45°~45° (the extension line in front of the driving direction is the 0° dividing line). However, after the auxiliary arm 2 is unfolded, the auxiliary arm 2 also has a turning angle range of -45°~45°, so the maximum operating area of ​​the dust removal device will cover the spatial operating range of -90°~90° in front.

[0046] After the flexible air duct 1, main arm 4 and auxiliary arm 2 are adjusted, the dust removal mist cannon 8 is lifted to a certain height by the hydraulic jacking device below it, and the pitch and rotation of the dust removal mist cannon 8 are achieved through the extension and retraction of the hydraulic cylinder and the drive of the hydraulic motor.

[0047] When the dust collecting port of the flexible air duct 1 reaches the dust removal operation surface, the dust removal fog cannon 8 first sprays the operation area to settle the large dust particles in the space with water mist. Then, the axial flow dust removal fan 9 pneumatically forms a negative pressure in the flexible air duct 1 to suck the dust at the dust collecting port of the flexible air duct 1 into the air duct. Figure 3 As shown, a dust filter is provided at the end of the dust collecting port of the flexible air duct 1 to filter the dust initially, and large particles are retained on the dust filter. Fine dust enters the flexible air duct 1 through the mesh. Subsequently, the dust-laden air enters the dust collector 7, and under the action of negative pressure, the dust is adsorbed on the surface by the dust filter bag in the dust collector 7, and the clean gas passes through the gap of the filter bag and enters the box body of the water storage water bath integrated box 16. The dust attached to the dust filter bag is vibrated on the cage frame under the action of the pulse backblowing compressed gas, and falls into the hopper below the dust collector 7 for collection.

[0048] like Figure 4 As shown, the gas entering the water storage water bath integrated box 16 needs to pass through the mist curtain formed by the spray nozzle 162 at the air inlet, and then hit the water surface at a certain speed, and change the direction of movement under the combined effect of the water surface and the guide baffle 163, and flow out from the air outlet. Due to the effect of inertia, the dust particles rush to the water surface and adhere to the water to achieve the purpose of dust removal. A certain concentration of gas purifier is dissolved in the water in the water bath box, which can achieve the primary evolution of harmful gases while removing dust.

[0049] The gas coming out of the water bath enters the second steel air duct 20 at the front end of the axial flow dust removal fan 9. A guide plate is arranged at the front end of the second steel air duct 20. The water-containing airflow after the water bath hits the guide plate, and the liquid droplets adhere to the guide plate to achieve gas-water separation. The harmful gas in the gas is secondary purified by the microporous adsorption device at the rear end of the second steel air duct 20, and finally discharged through the axial flow dust removal fan 9 and the dust collection bag 10.

[0050] During the operation of the device, all electric energy is provided by the battery pack 13 above the rear chassis 14, and the battery is charged and discharged by the accompanying charging pile. The inverter 12 converts the power system to match the power system requirements of the electrical equipment; the power storage management system 10 can prevent overcharging and overdischarging, realize temperature control and balance, energy system information prompts, battery status test and display and other functions.

[0051] The mobile tunnel dust removal device proposed in this embodiment adopts an independent walking chassis, which greatly improves the flexibility of the equipment and facilitates the transfer operation; it integrates spray dust removal, bag dust removal, water bath dust removal and air purification technology to significantly improve the dust removal and purification efficiency; it adopts full electric drive to achieve zero tail gas emissions, green construction, energy saving and emission reduction. This device can improve the tunnel construction working environment, improve tunnel construction efficiency and protect the physical and mental health of construction personnel. It solves the problems of existing dust removal equipment that cannot absorb dust in multiple directions, poor dust removal effect, inability to simultaneously purify harmful gases in the tunnel, and conventional dust removal equipment cannot enter dangerous areas for operation.

[0052] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mobile tunnel dust removal device, characterized in that: It includes a walking chassis, a dust removal and purification system, and an electric energy storage management system. The dust removal and purification system comprises a rotating telescopic arm and a dust removal fog cannon installed on a walking chassis, a flexible air duct suspended under the rotating telescopic arm, and a dust collector, a water storage water bath integrated box and an axial flow dust removal fan connected in sequence at the air outlet end of the flexible air duct. The tail of the axial flow dust removal fan is covered with a dust collection bag, and the rotating telescopic arm drives the flexible air duct to perform rotating and telescopic movements; The electric energy storage management system is installed on the walking chassis to supply power to the dust removal and purification system and the walking chassis; the water storage and water bath integrated box includes a box body, a guide baffle connected to the top wall of the box body, and sewage filter cotton and a filter net installed in the box body, wherein the sewage filter cotton is mounted above the filter net, and an air inlet and an air outlet are provided in the box body. The guide baffle divides the box body into two parts, and a water spray pipeline is installed on the side close to the air inlet. The water spray pipeline is connected to the box body through a water pump, and water mist is sprayed to the air inlet through a spray nozzle to perform water mist dust removal in the box; The slewing telescopic arm comprises a main arm and a secondary arm, and the main arm and the secondary arm are both composed of multiple sections of telescopic arms, and a slidable lifting ring is provided under each section of the telescopic arm to lift the flexible air duct; The front end of the main arm is provided with a jib rotating platform for installing the jib, the main arm is installed on the main arm rotating platform and realizes the rotating action through the main arm rotating platform, and the pitch angle of the main arm is adjusted by the top extension of the hydraulic oil cylinder between the main arm and the main arm rotating platform; the jib is located at the front end of the main arm and can rotate around the jib rotating platform, and the jib is extended and retracted under the action of the hydraulic oil cylinder; The dust collector is provided with a cage frame, a dust bag and a pulse back-blowing device. The dust is filtered and adsorbed by the bag surface of the dust bag, and the dust attached to the bag surface is cleaned by the pulse back-blowing airflow. A dust hopper is installed under the dust collector for dust collection. The water storage water bath integrated box and the axial flow dust removal fan are connected by a second steel air duct. A guide plate is arranged at the inner front end of the second steel air duct so that the water-containing air flow after passing through the water bath hits the guide plate, and liquid droplets adhere to the guide plate to achieve gas-water separation. A microporous adsorption air purification device is arranged near the air inlet of the axial flow dust removal fan to adsorb and purify harmful gases.

2. The mobile tunnel dust removal device according to claim 1, characterized in that: Traveling wheels and hydraulic legs are installed under the traveling chassis. The hydraulic system is connected to the hydraulic legs to drive them to move up and down to brake or release the brakes on the traveling chassis. The traveling chassis includes a front chassis and a rear chassis connected to the front chassis through a pull rod joint. A cockpit is arranged on the front chassis. The dust removal and purification system is located on the front chassis, and the electric energy storage management system is located on the rear chassis.

3. The mobile tunnel dust removal device according to claim 1, characterized in that: A first steel air duct is installed between the flexible air duct and the dust collector. The air outlet of the flexible air duct is connected to the air duct steering joint installed on the first steel air duct by a clamp. The flexible air duct and the air duct steering joint can rotate with the main arm. A dust filter is provided at the air inlet of the flexible air duct for primary filtering of dust.

4. The mobile tunnel dust removal device according to claim 1, characterized in that: The dust removal mist cannon includes a cylinder and a lifting mechanism, a pitch mechanism and a rotating mechanism for driving the movement of the cylinder, wherein an annular water distribution pipe, a nozzle and an axial flow fan are arranged inside the cylinder, the nozzle is installed on the annular water distribution pipe, and the annular water distribution pipe is connected to the water storage water bath integrated box through a pipeline.

5. The mobile tunnel dust removal device according to claim 1, characterized in that: The spray nozzle can adjust the nozzle direction and the water spray flow rate according to actual conditions; a dust bag support frame is arranged inside the dust bag.

6. The mobile tunnel dust removal device according to any one of claims 1 to 5, characterized in that: The electric energy storage management system includes a battery pack and an inverter and an electric energy management system electrically connected to the battery pack. The battery pack is used to store electric energy and has a charging interface that matches the charging pile; the inverter is used to convert the power system to match the power system requirements of the electrical equipment; the electric energy management system is used to prevent overcharging, over-discharging, temperature control and balance, energy system information prompts, and battery status testing and display.

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