232results about "Dust removal" patented technology

The utility model relates to the technical field of coal mine ventilation, specifically relates to a ventilation device for preventing coal mine gas overrun, including box, knock assembly and dust removal mechanism, dust removal mechanism includes installation guide rail, driving part, screw rod, ball screw nut pair, sliding seat, mounting arm and scraper, the inside of box is provided with filter cavity, the inside of filter cavity is equipped with filter screen both in front and back, after knocking off the dust attached on the filter screen by knock assembly, the cover of dust outlet is taken off, starts driving part, drives screw rod rotation, because ball screw nut pair is connected with sliding seat to drive sliding seat to slide on installation guide rail, and then the scraper is driven to slide on the inner bottom of filter cavity through mounting arm, and then the dust accumulated on the bottom of filter cavity is cleaned, avoids dust to be raised again and be attached on the filter screen, and the influence of the filtering effect of filter screen is caused.

This application discloses a coal mine curtain grouting early warning system and method, belonging to the field of coal mine spontaneous combustion prevention and curtain grouting technology. The system includes a fiber optic temperature measurement module, a temperature identification and risk assessment module, a curtain grouting response module, and a control platform module, which are connected in sequence via communication. The temperature identification and risk assessment module and the control platform module are also connected. The fiber optic temperature measurement module continuously collects and outputs temperature data from each monitoring point within the monitoring area; the temperature identification and risk assessment module determines and outputs the location information of abnormal areas; the curtain grouting response module includes at least one grouting terminal device for receiving grouting control commands and performing fixed-point grouting operations; the control platform module receives the location information of abnormal areas, generates grouting control commands and sends them to the corresponding grouting terminal devices, and determines the sealing effect after the grouting operation is completed. The embodiments of this application can improve the accuracy of identifying abnormal temperature risks in coal mines.

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

This utility model discloses a coal mine fireproof grouting device. The device includes a grouting nozzle, one end of which is detachably and fixedly connected to a connector. A rotating ring is rotatably connected to the inner wall of the connector. A communicating cavity is formed on one side of the rotating ring. A connecting pipe, one end of which communicates with the communicating cavity, is provided on the side wall of the connector. Multiple cleaning nozzles, communicating with the communicating cavity, are installed at the bottom end of the rotating ring. A driving assembly is provided at one end of the connector. A conveying pipe is fixed to the inner wall of the connector. A valve for controlling grouting is provided on the conveying pipe. The other end of the conveying pipe is connected to an external grout supply mechanism. A protective assembly is provided at one end of the nozzle nozzle. This utility model, by incorporating a rotating ring, a communicating cavity, and a driving assembly, allows the rotating ring to rotate during cleaning of the grouting nozzle, causing multiple cleaning nozzles to rotate within the nozzle for thorough cleaning. This results in good cleaning effect and high efficiency.

The application discloses a mine dry-type filtering and dust-removing system suitable for high-humidity and high-dust environment, which comprises an air inlet unit, a primary dust-removing unit, an airflow diffusion unit, a secondary dust-removing unit, a filter cartridge ash cleaning unit, an ash collecting unit, an air outlet unit and a centralized control unit. The primary dust-removing unit comprises an ultrasonic atomization elimination device, a hydrophobic filter plate assembly, a filter plate ash cleaning device, an ultrasonic dust agglomeration device and a gravity ash discharging plate. The secondary dust-removing unit comprises double-layer self-adaptive filter cartridges, and the double-layer self-adaptive filter cartridges comprise a sealing installation base, an outer layer hydrophobic large-aperture filter cartridge, an inner layer small-aperture filter cartridge, a magnetorheological control mechanism, a sealing installation top plate and a shape memory alloy mesh framework. The mine dry-type filtering and dust-removing system suitable for high-humidity and high-dust environment can solve the problems of easy condensation and blockage of filter material and micro-dust leakage under high-humidity environment through the cooperative operation of the primary dust-removing unit and the secondary dust-removing unit under the condition of multi-field coupling, and is especially suitable for dust-removing operation in high-humidity and high-dust environment.

This invention provides a spiral drilling mining robot and an adaptive cutting control method, belonging to the field of mining equipment technology. The technical solution is as follows: a spiral drilling mining robot includes a tracked walking mechanism, a drill rod unit, a power system, a support device, and a sliding platform device; this invention also provides an adaptive cutting control method, including the following steps: first, borehole preparation and gas detection; second, adaptive borehole mining operation; third, drilling completion and equipment reset; the beneficial effects of this invention are: this invention uses a gas concentration sensor on the drill bit to detect the gas concentration in real time and automatically adjusts the nitrogen injection volume, effectively controlling the gas concentration. Simultaneously, the equipment can dynamically adjust the drill bit rotation speed and propulsion speed according to changes in drill bit load and rock hardness, improving tunneling efficiency; furthermore, the tunneling equipment features a modular design, enabling the equipment to flexibly cope with drilling requirements at various depths.

This invention relates to the field of fire prevention and extinguishing technology in goaf areas, and proposes a fire prevention and extinguishing material and method for goaf areas. The fire prevention and extinguishing material comprises the following raw materials in parts by weight: 60-80 parts water, 50-60 parts fly ash, 15-25 parts calcium carbide sludge, 5-10 parts polyethylene glycol, 10-20 parts polyacrylamide, 15-20 parts flame retardant, and 2-8 parts imidazole ethanol. This technical solution solves the problem of poor flame retardancy and protective properties of existing goaf fire prevention and extinguishing materials.

The present application relates to the technical field of explosion-proof electromagnetic valves, and discloses an explosion-proof electromagnetic valve with an elastic damping structure, which comprises a shell, a valve body, a valve core assembly, an elastic damping component and an electromagnetic module. The explosion-proof electromagnetic valve with the elastic damping structure comprises a damping disc, a damping seat and a limiting piece, the damping seat is formed with a groove and a pressure relief hole in communication with the groove, the damping disc is located in the groove and elastically buckled on the side surface of a jacking rod, the limiting piece is arranged below the damping seat at a certain interval, the jacking rod penetrates through the damping disc, the damping seat and the limiting piece, and the gap between the coil and the base is filled through the filling port, so that when the electromagnetic module explodes, the damping disc is elastically hardened and buckled on the jacking rod instantaneously, the impact force of the jacking rod is absorbed, at the same time, the pressure relief hole formed on the damping seat can weaken the shock wave during the explosion, and thus, under the synergistic effect of the damping disc and the damping seat, the safety hazard that the valve body and the shell are penetrated due to the explosion is avoided.

The application discloses a kind of iron ore mining underground pollution gas reciprocating self-cleaning detection device, it is related to pollution gas detection technical field, it includes detection shell, detection shell both ends are equipped with filter screen, and the inside sliding installation movable plate separates it into two independent cavities;Movable plate is fixed with cavity plate, cavity plate is equipped with gas detection head, and gas head is respectively inserted into two cavities with control valve on the both sides of cavity plate;The driving assembly in detection shell drives movable plate reciprocating motion.This device realizes unilateral suction detection, unilateral exhaust self-cleaning alternate work by movable plate reciprocating motion, solves the problem that filter screen of traditional device is easy to block, guarantees detection precision, without manual frequent cleaning, adapt to underground harsh environment, improve detection reliability and operation safety.

The present application relates to dust removal technical field, specifically to a kind of salt-free anti-freeze composite coal dust suppressant based on waste engine oil and its preparation method and application.The dust suppressant includes waste engine oil 15 to 25 parts, first surfactant 1.5 to 2.5 parts, second surfactant 1 to 2 parts, water 30 parts, binder 0.1 to 0.8 parts, water-retaining agent 0.1 to 2 parts, pour point depressant 0.15 to 2 parts, antifreeze 30 to 56 parts.The dust suppressant can ensure good dust suppression effect, and does not affect the calorific value of coal after spraying, solves the economic loss and environmental pollution caused by dust during coal transportation and use in extremely cold weather in winter.Also, it can realize no corrosion to equipment, greatly prolong the service life of equipment and reduce maintenance cost.Waste utilization of waste engine oil and solution of key corrosion problem jointly highlight the concept of green chemistry.

This invention relates to the technical field of tunneling equipment, and discloses an integrated foam dust removal device adapted to the high-pressure air and water system of a tunneling machine. The device includes a high-temperature resistant vent pipe and a high-pressure resistant water supply pipe, a foam agent storage tank connected to the outer ends of the high-temperature resistant vent pipe and the high-pressure resistant water supply pipe respectively, a foam agent mixer connected to the inner cavity of the foam agent storage tank, a foaming tank connected to the other end of the foam agent mixer, a metal wire mesh fixedly connected to the inner wall of the foaming tank, and a foam guide bridge connected to the side of the foaming tank away from the foam agent mixer. By setting a throttling mechanism, this invention can not only automatically control the rotation of the baffle plate and adjust the internal channel area of ​​the foam guide bridge to balance the foam flow rate when the pressure of the external water supply pipeline increases, causing a sudden increase in the foam flow rate within the foam guide bridge, but also, during the rotation of the baffle plate, through the cooperation of multi-faceted cams, protrusions, and tension springs, dampen the rotation of the crossbar, preventing secondary foam breakage caused by high-speed impact during the movement of the baffle plate.

This invention discloses a ventilation and dust removal device for underground gold mines, belonging to the field of mining ventilation and dust removal technology. It includes a support frame with a connecting cylinder connected to the middle of its upper end. One end of the connecting cylinder is connected to an exhaust mechanism, and the other end is connected to a stone crushing mechanism. An installation block is connected inside the connecting cylinder, with its upper and lower sides connected to the upper and lower sides of the inner wall of the connecting cylinder, respectively. The installation block divides the connecting cylinder into two ventilation chambers, each with a dust-blocking mechanism installed on both sides of the connecting cylinder. This invention achieves efficient and graded treatment of crushed stone and dust in underground gold mine dust-laden gas through the synergistic cooperation of the stone crushing mechanism, dust-blocking mechanism, impact mechanism, and dust collection mechanism. It also avoids filter clogging and damage, prevents dust accumulation and blockage in baffle plates, and eliminates secondary dust generation during ash discharge.

The present application belongs to the technical field of dust prevention of mine shaft, and particularly relates to a mine shaft spray dust-settling device, which comprises a vehicle body, an intercepting spray assembly is arranged on the vehicle body, the intercepting spray assembly comprises a support fixedly connected to one side of the upper end of the vehicle body, a lifting plate is slidably connected to one side of the support, a fixing ring is fixedly connected to one end of the lifting plate, a plurality of mounting plates are uniformly distributed and fixedly connected to the inner ring of the fixing ring in the circumferential direction, a plurality of connecting rods one are rotatably arranged on the mounting plates, and connecting rods two are rotatably arranged at one end of the connecting rods one. The present application utilizes the intercepting spray assembly, when dust is blown out through the mine discharge opening, the partial closure of the mine discharge opening area by the enclosure causes the diffusion path of the dust to be forcibly constrained, and the dust can only be discharged along the internal passage of the enclosure. A plurality of spray heads are aimed at the interior of the enclosure, and the spray range covers the entire cross section of the enclosure, so that the unorganized diffusion of the dust is changed into organized discharge, and the dust-settling effect is significantly improved.

This utility model relates to the field of dust control equipment technology and discloses a closed-type dust control device with an air curtain for mining operations. It includes a first support frame and a second support frame installed on one side of a continuous mining machine. A motor is fixedly installed on one side of the first support frame, and a threaded rod is fixedly installed at the output end of the motor passing through the first support frame. The end of the threaded rod away from the motor is rotatably connected to the inner wall of the first support frame. A sliding rod is fixedly installed on the inner wall of the second support frame. This utility model utilizes an infrared ranging sensor to monitor the relative position S between the continuous mining machine and the air curtain device in real time. Combined with a controller driving a motor to dynamically adjust the position of the U-shaped frame, the closed air curtain formed by the transverse and radial air curtain generators accurately covers the dust-generating area of ​​the continuous mining machine. This solves the problem of coverage offset caused by the advancement of equipment in traditional fixed air curtains, reduces blind spots in dust control, and ensures the continuity and stability of dust control effects.

This utility model relates to the field of water sprinkler truck technology, and more particularly to a water sprinkler system and a mining water sprinkler truck. The water sprinkler system includes a water tank, a water sprinkler assembly, a centrifugal pump, and a hydraulic control assembly. The water tank is mounted on the mining water sprinkler truck. The water sprinkler assembly is connected to the water tank via a pipeline assembly and includes at least two nozzles located at the rear of the mining water sprinkler truck. The centrifugal pump is connected to the pipeline assembly. The hydraulic control assembly includes a main control valve group, a plunger motor, and an electromagnetic butterfly valve group. The main control valve group is connected to both the electromagnetic butterfly valve group and the plunger motor. The electromagnetic butterfly valve group is located on the pipeline assembly. The main control valve group controls the flow of hydraulic oil into the plunger motor and / or the electromagnetic butterfly valve group. The electromagnetic butterfly valve group controls the on / off state of the pipeline assembly. The plunger motor drives the centrifugal pump to control the water pressure in the pipeline assembly. This application enables the water sprinkler system to be applied to multi-powered mining water sprinkler trucks by connecting the plunger motor to the output of a generator in the power system.

The application provides a depleted gas reservoir compressed air energy storage anti-burning and explosion method. The method comprises the following steps: injecting nitrogen as a cushion gas into a target depleted gas reservoir; determining a lower limit value of the amount of nitrogen required for the target depleted gas reservoir to exceed an explosion limit point; determining the injection amount of oxygen-reduced air according to the lower limit value of the amount of nitrogen required for the target depleted gas reservoir to exceed the explosion limit point and the amount of the cushion gas injected into the target depleted gas reservoir, and injecting the oxygen-reduced air into the target depleted gas reservoir according to the determined injection amount of the oxygen-reduced air; wherein when Q 垫 - αQ0 < 0, Q 补充 = αQ0 - Q 垫 ; when Q 垫 - αQ0 > 0, Q 补充 = 0; Q 垫 is the amount of the cushion gas in the target depleted gas reservoir, Q0 is the lower limit value of the amount of nitrogen required for the target depleted gas reservoir to exceed the explosion limit point, and α > 1.

This invention discloses a low-temperature carbon dioxide high-expansion foam dust suppression system and method for ore pass unloading. The dust suppression system includes a first high-expansion foam generator and a second high-expansion foam generator at the ore pass unloading port and ore bin, respectively. A foaming dust suppressant is mixed with inert carbon dioxide gas and a sulfide ore inhibitor to create foam with both dust suppression and ore spontaneous combustion inhibition properties. Because the foam contains an ore inhibitor, the spontaneous combustion tendency of ore dust upon contact with the foam is effectively reduced. Simultaneously, after the foam bursts, the low-temperature carbon dioxide gas within it lowers the ambient temperature and oxygen concentration within the ore pass, creating a low-temperature, low-oxygen environment and reducing the risk of ore spontaneous combustion and agglomeration within the ore pass. Furthermore, the low-temperature carbon dioxide generates natural convection, inducing airflow within the ore pass and accelerating foam diffusion. Therefore, this invention's low-temperature carbon dioxide high-expansion foam dust suppression system achieves synergistic prevention and control of dust and ore spontaneous combustion within the ore pass.

The application discloses a kind of super-deep vertical shaft ventilation cooling systems, including vertical shaft main body, the vertical shaft top platform surface is installed surface, the installed surface side is provided with base, the base upper side is installed with support box away from vertical shaft, the support box upper side is provided with dust removal box, the dust removal box upper side is provided with top box, the dust removal box side is provided with air inlet away from vertical shaft, the air inlet is installed with air inlet fan.The application relates to the technical field of super-deep vertical shaft ventilation cooling, set up flexible filter plate and combine motor drive up and down reciprocating winding, and cooperate with inclined limit plate and V-shaped collection groove constitute cleaning assembly, can realize the automatic scraping of flexible filter plate and shaking and dust removal, without manual cleaning, can efficiently filter and purify the air entering vertical shaft, effectively remove dust, impurities and other pollutants in air.

The present invention relates to a filtration device (10), particularly for filtering static ambient air, the filtration device having a blower housing (1) including at least one air inlet (11) and at least one air outlet (12), wherein at least one means (4) for generating an airflow is arranged in the blower housing (1), by means of which an airflow from the air inlet (11) to the air outlet (12) can be generated. The filtration device (10) includes at least one flexible air guide hose (2), wherein the air guide hose has a first open end (21) connected to the air outlet (12) of the blower housing (1) and a second closed end (22). In the air guiding hose (2), there is at least one opening (23) between the first end (21) and the second end (22), into which at least one filter element (3) is inserted, wherein the filter element (3) separates the unpurified side (RS) inside the air guiding hose (2) from the clean side (CS) present downstream of the filter element (3), wherein the air guiding hose (2) can be inflated in the operating state by means of a device (4) for generating airflow. Furthermore, the present invention relates to the use of the air guiding hose (2) itself, the tunnel, and the filter device (10) for filtering ambient air in a tunnel.

The utility model discloses a water collecting well circulating water dust fall device for karst tunnel engineering, including water suction device, water collecting well and fixed together's mobile water tank and sewage collection tank, and water suction device, water collecting well and mobile water tank are communicated in proper order through water pipe, and water pump A is installed to the water inlet of water pipe, and the below and the top of water suction device are all installed with propeller A and drive motor, and the vertically installed telescopic stainless steel bellows of mobile water tank, one end of telescopic stainless steel bellows is located inside mobile water tank, and water pump B is installed to the port, and the other end is located outside mobile water tank, and the port is installed with the shower nozzle, and the periphery of shower nozzle is installed with the fender, and the adjacent fender side fixed connection, and the water inlet of sewage collection tank is located inside fender, and the water outlet of sewage collection tank and water collecting well water inlet are communicated through the backwater pipe. The utility model is used in karst tunnel engineering, not only solves the problem of water accumulation in the cave, but also improves the dust fall efficiency and improves the construction environment.

This application relates to the technical field of dust removal, and in particular to a multi-stage dust removal device and method for coal mine roadways with impact resistance. The device includes an upward-opening water tank with an outlet on the side. A rotating shaft is rotatably mounted on the bottom of the water tank via a bearing. A cavity for air passage is formed inside the rotating shaft. A pushing mechanism is installed on the part of the rotating shaft located inside the water tank, and a pre-treatment mechanism that cooperates with the cavity is installed on the top of the rotating shaft. The pushing disc and the fan-shaped plate cooperate to push impurities floating on the water surface upward, which can effectively remove floating impurities on the water surface and prevent them from forming a barrier film on the water surface. This creates an unobstructed channel for gas diffusion. That is, when the water surface is kept clean and unobstructed, the gas can escape from the water surface more smoothly, the separation efficiency of impurities and gas is significantly improved, and thus the dust removal effect of the gas is greatly improved.

The invention provides a dust removal water cannon for coal mining and processing. The dust removal water cannon comprises a dust removal moving trolley; the dust removal liquid storage conveying mechanism is fixedly mounted on the inner side of the dust removal moving trolley, and the dust removal liquid storage conveying mechanism is electrically connected with the control case through a connecting wire; the positioning lifting mechanism is fixed to the front end of the dust removal liquid storage conveying mechanism, and the positioning lifting mechanism is electrically connected with the control case through a connecting line; according to the dedusting water cannon for coal mining and processing, a dripping liquid collecting frame of the dripping liquid collecting mechanism is used for receiving dripping liquid at a cannon muzzle, a high-low collecting cavity guides the liquid to flow into a recycling frame through a recycling pipeline, and the rotating dedusting cannon barrel is movably mounted on the inner side of the upper end of the positioning lifting mechanism; the problem that an existing device wastes water resources is solved, cyclic utilization of the water resources is achieved, and the use cost is reduced.

This invention relates to a method for preparing a biomass-based biodegradable dust suppressant and a spraying device, comprising the following components by weight percentage: 0.78% biomass matrix, 20.7% salt-precipitating solution, and the remainder being an acetic acid solution diluted with deionized water. The specific steps are as follows: adding biomass matrix powder to the acetic acid solution; pouring the salt-precipitating solution powder into the biomass matrix acetic acid solution; magnetically stirring for 30 minutes at 200 r / min and 30°C; and then sonicating for 10 minutes to ensure a complete reaction. This invention combines salt-precipitation with dust suppression technology, using high-concentration salt solutions such as sodium citrate and sodium sulfate. Utilizing the physicochemical interaction between salt ions and biomass material molecules, and through the synergistic effect of salt-precipitation-assisted precipitation and weak ion cross-linking, it breaks the limitations of traditional cross-linking methods, promoting the rapid formation of a three-dimensional network structure, thereby constructing a high-strength hydrogel membrane. This method allows for the simple and convenient preparation of a long-lasting and safe dust suppressant, effectively improving dust suppression efficiency and reducing dust suppression costs.

This utility model provides a coal mine ventilation and dust suppression device, relating to the technical field of mine dust suppression equipment. It includes a ventilation pipe comprising a first pipe body, a fourth pipe body, and two sets of second and third pipe bodies. One end of the second and third pipe bodies is connected. Both the first and fourth pipe bodies are tee pipes. Two ports of the first pipe body are connected to one end of each of the two second pipe bodies, and two ports of the fourth pipe body are connected to one end of each of the two third pipe bodies. Each second pipe body is equipped with a valve assembly, and each third pipe body is equipped with a filter element assembly. By using the first and fourth pipe bodies as tee pipes, airflow can be split and converged between these two pipes. The second and third pipe bodies form redundant ventilation paths through connection. When one set of pipes becomes blocked, the valve assembly on that set of pipes can be closed, allowing airflow to continue through the other set of pipes, ensuring uninterrupted ventilation.

The application discloses a kind of tunneling dust removal fan integrated mobile support, belong to tunnel dust removal device technical field, it is a kind of tunneling dust removal fan integrated mobile support, including device base, the device base front side is fixedly installed with suction box, the front side of the suction box is fixedly installed with telescopic piece, by being provided with the structure of shell body, in the process of using, by shell body and inner shell, dust passing through can be accumulated and intercepted, when dust accumulation clogs screen plate, first contact piece and second contact piece on the lower side of inner shell will be contacted, trigger alarm, so as to prompt operator to clean dust removal pipe, by the structure of rotating member in society, servo motor can control rotating member and dust removal pipe overall rotation, can directly pass through side ventilation slot to the inside of dust removal pipe is back-flushed and cleaned, convenient and fast dust removal, simple structure, no complex electric control, meet underground explosion-proof, anti-interference requirement.

The application discloses a dust falling device for a coal mining construction site, and relates to the technical field of coal mine safety equipment, which comprises a vehicle body and a water tank arranged on the vehicle body, the water tank is used for carrying water source and moving, a spraying part comprises two movable bearing plates and spraying pipe fittings arranged on the bearing plates, a plurality of atomizing nozzles are uniformly arranged on the spraying pipe fittings and used for spraying water mist, a lifting part comprises a scissor lifting frame and is used for pushing the spraying part to lift, and a cleaning part comprises a roller sleeve, a plurality of cloth strip brushes used for cleaning the spraying part are arranged on the roller sleeve. In the application, the spraying part is arranged on the vehicle body, can perform spraying operation in the moving process, is convenient to move to a dust raising area to perform operation, the vehicle body is further provided with a compartment frame, the spraying part can be accommodated in the compartment frame when not working, plays a protection role, and can reduce the occupied space.

The utility model discloses a kind of upper corner gas management devices, including box, the side of the box is provided with air inlet pipe, the inner wall of air inlet pipe is provided with opening, the outer wall of air inlet pipe is detachably connected with fixed mechanism, the side of the box is bolted with filter mechanism, the other side of the box is fixed with air outlet pipe, the inside top wall side of the box is fixed with fan. The fixed mechanism set can make equipment can be stably installed in specified position, by using anchor rod, fixed plate and mounting surface are fixed, more reliable, higher in strength;The filter mechanism set can make equipment can effectively filter and adsorb dust and impurities in gas, thereby improve the purity of gas, facilitate people to utilize and handle gas in later period, simultaneously, the cooperation of baffle, rubber ring, fixed block, rotary plate and connecting piece is realized in the cooperation of filter box, the quick installation and disassembly of filter box.

This invention discloses a dust removal device and method for mines, belonging to the technical field of dust removal devices. The dust removal device includes a ventilation duct and an impeller located at one end of the ventilation duct. An atomizing component is located on the front side of the impeller. The atomizing component includes a three-way pipe, with atomizing nozzles elastically connected to both branch ends of the three-way pipe via connectors; and a valve body located between the two branch ends of the three-way pipe. In this device, the drive unit continuously rotates between the two sets of atomizing nozzles along with the transmission components, thereby achieving an inspection function. When one atomizing nozzle is blocked, a response is made through the cooperation of a protrusion and the drive unit. The output end of the drive unit, in cooperation with the protrusion, drives the valve stem and valve body to rotate, allowing the high-pressure water entering the three-way pipe to be discharged from the other branch end of the three-way pipe, thus avoiding the dust removal effect being affected by poor atomization.