5998 results about "Dust collector" patented technology

The invention provides a cleaning device and a dust collection method, the cleaning device comprises a dust collector, a dust collection base station and a negative pressure device, the dust collector comprises a dust cup and a first cover body, the first cover body is used for closing or opening the internal space of the dust cup, the dust cup is provided with a lock catch, and the lock catch is used for locking the first cover body; comprising an unlocking piece; and the negative pressure device is used for generating negative pressure in the dust collection base station, so that the unlocking piece acts on the lock catch to unlock the first cover body under the action of air pressure difference. Through mutual cooperation of the dust collector, the dust collection base station and the negative pressure device, the dust collection base station is better in effect of collecting garbage of the dust collector, and use is more convenient.

The invention relates to the technical field of bag type dust collector filter bag abrasion detection, in particular to a filter bag damage non-contact detection method and system based on acoustic array positioning. The method comprises the following steps: arranging an acoustic sensor array in an air purification chamber of the dust remover, and collecting acoustic signals in real time; after band-pass filtering is carried out on the signals, feature vectors of the signals are extracted and matched with a pre-established acoustic fingerprint database, so that a filter bag damage event is recognized; after identification, based on the time difference of arrival of the signal to at least three sensors in the array, combining the coordinates of the sensors and the sound velocity, and utilizing a TDOA positioning algorithm to calculate the space coordinates of the damaged sound source; and finally, matching the coordinates with a pre-stored filter bag coordinate mapping table, determining the number of a specific damaged filter bag, and performing visual highlight marking on a pattern board plane layout of an application layer terminal. The online, real-time, automatic and accurate positioning of the damaged filter bag is realized, the problem that the prior art can only give an alarm but cannot position is solved, and the operation and maintenance efficiency and safety are improved.

The utility model relates to the technical field of devices for removing dust on grinding machines or polishing machines, in particular to a handheld dustproof grinding machine and a handheld dustproof grinding device. A handheld dustproof grinding device comprises a handheld dustproof grinding machine and a grinding head, the handheld dustproof grinding machine comprises a shell, a grinding inner cavity used for containing the grinding head and a dust collection channel are formed in the shell, and an outlet of the dust collection channel is formed in the shell and used for being connected with an external dust collector. A peripheral surrounding breathable dustproof part is arranged at a port of the grinding inner cavity, a driving device is further arranged on the shell, the power output end of the driving device extends into the grinding inner cavity to be used for assembling a grinding head, and an inlet of the dust collection channel communicates with the grinding inner cavity. And the inner wall, located in the polishing inner cavity, of the shell is used for forming a radial gap between the inner wall and the polishing head after the polishing head is assembled, so that dust is sucked to the dust suction channel through the radial gap, the suction effect is better, the good dustproof effect is achieved, and the polishing effect is effectively improved.

The application relates to the technical field of dust collectors, in particular to a dust collector with a crushing module, which comprises a dust collector main assembly and a rolling brush for gathering sundries, one end of the bottom of the dust collector main assembly is provided with a suction head assembly, an expansion assembly is movably connected in the suction head assembly, a crushing roller for crushing sundries is sleeved outside the expansion assembly, the expansion assembly comprises a friction block for pressing against the inner wall of the crushing roller, the suction head assembly comprises a buckle cover capable of dismounting the crushing roller from the side face, the dust collector with the crushing module is moved radially outward under the action of centrifugal force generated by the friction block when the connecting plate rotates, until the outer arc surface of the friction block presses against the inner wall of the crushing roller, the crushing roller is driven to rotate synchronously through friction, the cutting edges of the blades arranged on the surface of the crushing roller and the mechanical stoppers are staggered in the radial direction and the axial direction, when the crushing mode is switched, the larger garbage on the ground is crushed, and the cleaning effect of the dust collector is improved.

The invention discloses an intelligent linkage control system and control method of a pulse bag type dust collector, and belongs to the technical field of industrial dust collection automation control. According to the system, a multi-parameter monitoring module, an intelligent control module and an execution device are integrated, a'monitoring-analysis-regulation 'closed-loop control system is constructed, and dynamic cooperative regulation of a pulse dust cleaning device and an induced draft fan is achieved. The system can respond to inlet dust concentration fluctuation, filter bag resistance change and flue gas amount fluctuation in real time, and automatically adjust the blowing frequency, the fan rotating speed and the ash removal mode, so that the problems of unstable emission, high energy consumption and short filter bag service life of a traditional control system are solved.

The invention discloses a treatment system and method for waste incineration fly ash washing liquid cooperating with flue gas purification, and the system comprises a semi-dry desulfurization tower, a dust remover, an ash silo, a washing tank, a buffer tank, a water supply preheater and a wet washing tower which are connected with a main flue of an incineration plant, the method comprises the following steps: transferring waste incineration fly ash collected in the system into the water washing tank, and adding water for washing to obtain water washing liquid and desalted fly ash; the method comprises the following steps: spraying fly ash water washing liquid by using a wet washing tower, recovering tail flue gas waste heat, deeply removing residual acid gas in flue gas, concentrating and reducing the water washing liquid, and controlling the spraying amount to adjust the concentration ratio so as to realize the separation and solid-liquid separation of chlorine salt; introducing the concentrated water washing liquid into a semi-dry desulfurization tower, atomizing the water washing liquid into fine liquid drops by using a rotary atomizer, contacting the fine liquid drops with hot flue gas, evaporating the fine liquid drops to dryness, and absorbing acid gas in the flue gas at the same time, thereby realizing zero emission of the water washing liquid and cooperating with flue gas purification. According to the invention, the problem of high energy consumption of fly ash washing liquid treatment is solved, and the resource utilization rate of the washing liquid is improved.

The invention provides an intelligent control system and method for an industrial dust collector, and relates to the technical field of industrial automation. According to the system, real-time operation data of a pipe network and an execution mechanism are obtained through an on-site sensing and collecting module, a safe operation envelope boundary of a current working condition is dynamically calculated through a multi-dimensional safety situation evaluation module, and a performance degradation trend is analyzed through an equipment health decline compensation module to generate an aging drift compensation coefficient. The distributed intelligent control module calculates a basic control quantity in combination with a target process parameter, performs gain correction by using an aging coefficient, and performs forced amplitude limiting according to a safety boundary to generate a composite speed regulation control signal. And finally, the frequency conversion execution module receives the signal and drives the negative pressure fan motor to accurately operate in the corrected safety interval. The problems that in the prior art, a safety protection mechanism is rigid, the self-adaptive compensation capability for equipment performance degradation is lacked, and the multi-dimensional data cooperative control level is low are solved.

The invention relates to the technical field of bag-type dust removers, in particular to an efficient bag-type dust remover which comprises a dust remover body, a pore plate is arranged at the top end in the dust remover body, a plurality of sets of mounting holes are formed in the pore plate, gear grooves are formed in the positions, around the outer sides of the mounting holes, of the pore plate, driven gears are arranged in the gear grooves, and filter bag frames are mounted in the mounting holes. The bottom of the filter bag frame is sleeved with a filter bag; the efficient bag-type dust collector has the beneficial effects that when the dust collector body runs, dust gas is introduced into the dust collector body through the dust gas inlet and then is filtered through the filter bag arranged at the bottom of the filter bag frame in a sleeving manner, and dust is left at the bottom of the dust collector body; and the air purified by the filter bag is discharged through a purified air outlet in one side of the top end of the dust remover body.

The invention provides an intelligent dust remover control method and system based on electrostatic adsorption. The method comprises the following steps: acquiring dust concentration, temperature and humidity and particulate matter impedance spectrum data of a working environment, screening key measurement points, applying an alternating electric field to obtain an impedance phase difference map, performing frequency spectrum consistency verification on the impedance phase difference map and the impedance spectrum data after temperature and humidity compensation, and calculating conductivity discrimination parameters of dust with different particle sizes; deploying a parallel metal plate adsorption array containing an insulating dielectric layer, and adjusting the plate spacing to change the electric field intensity; generating a resistivity space distribution thermodynamic diagram based on the conductivity discrimination parameters, and cooperating with drive board spacing adjustment and voltage output according to the resistance gradient change of the insulation and conductive dust gathering area and the migration path; and a measurement point location screening strategy is updated in combination with the spacing adjustment amplitude and the voltage change rate, and the impedance spectrum precision is optimized. Precise identification of insulation and conductivity multi-mode dust and dynamic electric field self-adaptive adsorption are achieved, the dust removal efficiency of a complex environment is improved, and energy consumption is reduced.

The invention is suitable for the technical field of industrial dust remover equipment operation monitoring and maintenance, and provides an industrial dust remover operation state monitoring method and system, and the method comprises the steps: obtaining an initial maintenance period of a target dust remover, extracting a plurality of historical samples which have the same type as the target dust remover, but have different high-chlorine treatment frequencies and the same preset work cycle from the database of the target dust removal plant; by constructing the comprehensive corrosion index and analyzing the change trend of the comprehensive corrosion index along with the increase of the high-chlorine treatment frequency, the key inflection point of rapid development of corrosion caused by damage of the protective film can be captured, the future high-chlorine treatment frequency is predicted in combination with the database, and the relative deviation value of the comprehensive corrosion index and the critical point is calculated and predicted. A maintenance period correction factor is generated, the initial maintenance period is revised in real time, and prospective early warning and dynamic maintenance of the potential accelerated corrosion risk of the equipment are achieved.

The invention relates to the technical field of bag-type dust removers, and particularly discloses a bag-type dust remover control terminal with a protection structure, which comprises a control box, the front surface of the control box is provided with a double door, and the control box is internally provided with a plurality of mounting plates through a plurality of arranged quick disassembly and assembly mechanisms; and protection mechanisms and cleaning mechanisms are arranged on the front faces of the multiple mounting plates correspondingly, and an auxiliary disassembly and assembly mechanism is arranged on the inner top face of the control box. According to the device, the protection mechanism is arranged around the control module, when the control module is on fire, the protection cover in an unfolded state can shield and protect the control module on which the fire is on fire, and when flames generated by the control module are large, the inner wall of the protection cover can be burnt through, so that dry powder in the protection cover is rapidly discharged outwards, and the safety of the device is improved. And the fire phenomenon of the control module is rapidly extinguished, so that the loss and negative influence caused by the fire in the control box are reduced, and the use requirements of people on the high protection performance of the control terminal equipment are met.

1. Name of the designed product: motor impeller. 2. Use of the designed product: used in the motor of a dust collector. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

An impeller structure of a dust collector comprises a wheel disc and blades, the wheel disc is of a conical structure with a small end and a large end, any cross sections perpendicular to a center shaft of the conical structure in the conical structure are different in area but consistent in appearance, and the cross sections are circular or regular polygonal in appearance. And the blades are distributed on the outer wall of the conical structure at equal intervals and are spirally arranged along the outer wall of the conical structure. The utility model has the advantages that the small-head end has large air inlet quantity and good air breaking effect, and the large-head end has higher air outlet speed; the conical structure is good in centering performance, the centrifugal effect of the impeller structure during rotation is reduced, the rotating speed is higher, and the service life of a driving shaft for driving the impeller structure to rotate can be prolonged; the arrangement mode of the blades enables the impeller structure to keep good centering performance, meanwhile, the blades are spirally arranged so that air can be better guided to spirally advance, the air outlet effect is further improved, and therefore the dust collection effect of the dust collector is enhanced.

The invention relates to a multifunctional precise micro-milling device for hardness detection, which comprises a movable slide carriage, a U-shaped mounting plate and a milling head mounting plate, the U-shaped mounting plate and the milling head mounting plate are mounted on the movable slide carriage, a displacement sensor and a matched lifting unit are mounted on the U-shaped mounting plate, and a milling assembly is mounted on the milling head mounting plate. According to the invention, a mechanical device is utilized to make flexible contact with a test surface, the actual position of the test surface is reflected in real time through a displacement sensor, a servo motor acceleration and deceleration machine is adopted for driving, the height of the test surface is measured, and the height of the test surface is measured. The high-speed milling head is guided and driven by the heightened rigid wide linear guide rail to reach a reasonable height, a high-quality test surface is efficiently and accurately milled, a basically closed milling environment is formed in the lifting cutter sleeve, milling chips are collected through the high-power dust collector, and the cutter can be easily separated from the external lifting cutter sleeve through a rotatable push-pull structure. And the cutting blade is convenient to replace and maintain.

The invention relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover in a hazardous waste incineration system, the bag-type dust remover comprises a shell and a filter bag assembly, the shell is provided with two air chambers which are communicated with each other, and an air inlet and an air outlet which respectively correspond to the positions of the two air chambers; the filter bag assembly is arranged at the communicating part of the two air chambers and used for filtering air, the filter bag assembly comprises a filter bag and a screen frame used for supporting the filter bag, the screen frame is provided with a first end part and an annular side part composed of a plurality of elastic supporting strips, and the annular side part is provided with a first opening and a second opening which are opposite to each other; the first opening is fixed at the communicating part of the two air chambers, the second opening is fixedly provided with a first end part, the filter bag is sleeved outside the annular side part, and two ends of the filter bag are respectively fixed with the first end part and the communicating part. The inner side of the filter bag can be effectively supported during flue gas purification, and when caked dust is attached to the outer side of the filter bag, the caked dust on the outer side of the filter bag can be rapidly removed.

The invention discloses a rotary kiln pyrolysis process preheating and replacing method which comprises the following steps: replacing and preheating an upgrading system when a rotary kiln is started, performing low-load operation on the rotary kiln, heating the rotary kiln by a rotary kiln hot blast stove and a flue gas fan, closing a pipeline valve from a dry gas fan to a first dust remover, and performing low-load operation on the rotary kiln; a rotary kiln nitrogen replacement valve is slightly opened, nitrogen enters the rotary kiln through a dry gas guide screw for replacement and heat removal, an oil and gas pipeline is preheated, direct cooling tower spraying cooling water and indirect cooling tower circulating cooling water are put into use, a coal gas fan is started for system circulation, and an electrical tar precipitator outlet is opened to a rotary kiln starting line valve; the invention further discloses a rotary kiln quality improvement system, the rotary kiln pyrolysis process preheating and replacement method is adopted, the start-up time is effectively shortened, the investment and operation cost is saved, and meanwhile a foundation is laid for long-period stable operation of the system.

The invention discloses an air-dividing dust controller, and relates to the technical field of underground dust removal. An air outlet is formed in the other end of the inner cylinder; air distribution holes are formed in the inner cylinder along the peripheral side; the outer cylinder sleeves the outer side of the inner cylinder and can move along the axis direction of the inner cylinder; air adjusting holes are formed in the peripheral side of the outer cylinder; the driving assembly is connected with the outer barrel and used for driving the outer barrel to move in the axis direction of the inner barrel so as to adjust the overlapping area of the air distribution holes and the air adjusting holes; when the overlapping area of the air distribution holes and the air adjusting holes is larger than zero, airflow exhausted through the air distribution holes and the air adjusting holes forms a dust blocking barrier on the outer side of the outer barrel. By arranging the movable outer cylinder and the air distributing holes and the air adjusting holes which are matched with the outer cylinder, the flow of discharged air is flexibly adjusted. According to the design, the air distribution effect can be adjusted according to actual needs, and the air distribution channels can be closed under specific conditions so as to adapt to different working environments and requirements.

The invention provides a flue gas purification, absorption and carbon capture system which comprises a cyclone dust remover, a Venturi gas-liquid ultra-mixing module, a sound wave reinforced filler absorption module, a cyclone dust collection module, a regeneration tower and a purification box, and the cyclone dust remover, the Venturi gas-liquid ultra-mixing module, the sound wave reinforced filler absorption module and the cyclone dust collection module are sequentially connected. The cyclone dust collector is connected with the cyclone dust collection module, the sound wave reinforced filler absorption module is connected with the regeneration tower, the regeneration tower is connected with the purification box, the purification box is connected with the Venturi gas-liquid ultra-mixing module, and a dust collection-carbon capture synergistic purification chain is constructed by arranging a function coupling framework of the cyclone dust collector, the Venturi gas-liquid ultra-mixing module, the sound wave reinforced filler absorption module, the cyclone dust collection module and the regeneration tower. The occupied area of the system is reduced, the Venturi gas-liquid ultra-mixing module and the sound wave reinforced filler absorption module replace the function of an absorption tower, the CO2 capture efficiency is improved, and energy consumption is reduced. The technical problems that in the prior art, a carbon capture system is long in process, large in occupied area, low in CO2 capture efficiency and high in energy consumption are solved.

The utility model discloses a dust collector folding pipe structure capable of being quickly folded by pulling of a trigger, which comprises the trigger, a folding pipe and a folding pipe, the lever assembly is arranged at one end of the trigger, and the trigger drives the lever assembly to move; the sub-machine push rod assembly is arranged at the end, away from the trigger, of the lever assembly, and the lever assembly drives the sub-machine push rod assembly to move; the folding pipe push rod assembly is arranged at the end, away from the lever assembly, of the sub-machine push rod assembly, and the sub-machine push rod assembly drives the folding pipe push rod assembly to move. Compared with the prior art, the folding pipe of the dust collector can solve the problems that a user needs to bend down to operate the folding pipe when the folding pipe of the dust collector is folded only by actively pressing a button on the folding pipe, so that the operation is inconvenient, and the use experience of the user is influenced.

The invention relates to the technical field of electrostatic dust collection and discloses an accurate frequency adjustment method for an intelligent frequency modulation high-voltage power supply of an electrostatic dust collector. The method comprises the steps of collecting voltage signals with frequency fluctuation in operation of a high-voltage power supply to form a voltage sequence; dividing period segments by using wave crest distribution in the voltage sequence, and clustering to obtain adjustment subsequences; obtaining a trend fluctuation index based on local signal change trend fluctuation and signal differences of the adjustment subsequences, and obtaining an amplitude drop difference and an amplitude interval difference according to an amplitude change trend difference and an amplitude bit sequence change trend difference; obtaining a period stability coefficient by combining the difference, the average condition of the trend fluctuation index and the average condition of the sub-sequence similarity; constructing a Hankel matrix and performing singular value decomposition, and obtaining a main component proportion and a difference index based on a singular value condition; and according to the Hankel matrix line data correlation, the period stability coefficient, the main component proportion and the difference index, obtaining a signal stability index, and according to the signal stability index, accurately adjusting the high-voltage power supply frequency.

This invention belongs to the field of vacuum cleaners, specifically relating to an environmentally friendly pulse jet vacuum cleaner. It solves the problems of existing pulse jet vacuum cleaners not being able to automatically close the dust discharge port and not being able to conveniently and reliably replace filter bags or cartridges in batches after prolonged use. The invention includes a base plate, a second housing, and filter cartridges. A pulse jet assembly is installed in the first housing, a self-positioning installation assembly is installed in the second housing, and a high-efficiency dust removal assembly is installed in the second housing. When the first and second housings are engaged and fixed, the invention utilizes a hydraulic rod and the high-efficiency dust removal assembly to conveniently transfer and process the collected dust and impurities, completing the dust removal process. When the first and second housings are separated, the self-positioning installation assembly allows for batch disassembly, assembly, and replacement of filter cartridges, improving the practicality and convenience of the pulse jet vacuum cleaner.

The invention relates to the technical field of injection molding, and discloses a high-precision adjustment dust collector injection molding part body injection molding process which comprises the following steps: before a melt enters a mold cavity, obtaining a feed-forward signal representing the physical performance of the melt through an online melt quality characterization (IMQ) system, and obtaining a feed-forward signal representing the physical performance of the melt based on the feed-forward signal; a dynamic valve needle fine tuning (DVM) system is used for applying rheological state intervention to the melt about to enter the cavity at a pouring gate; and on the basis of the feedforward signal, a local thermal field on the surface of a mold cavity is instantaneously and dynamically regulated and controlled through a dynamic energy field (AZT) active cavity system. By arranging the online melt mass characterization (IMQ) system, a feed-forward signal of performance fluctuation of the melt is obtained before the melt enters a cavity, the problem of continuous waste caused by adjustment lag in a traditional process is fundamentally solved, and high stability and process consistency of a dust collector injection molding part body in the continuous production process are ensured.

1. The name of the design product: dust collector base station. 2. The use of the design product: for dust collector base station. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention discloses a combined bag-type dust remover, which relates to the technical field of dust removal and comprises a sealing box, an air inlet pipe and an air outlet pipe, a first horizontal plate and a second horizontal plate which are arranged up and down are mounted in the sealing box; a plurality of exhaust holes are formed in the first horizontal plate, a supporting ring is mounted at each exhaust hole, a cloth bag sleeves each supporting ring, and a disc is mounted at the bottom of each cloth bag; the cloth bag has a first tensioned state and a second twisted state; blanking holes are formed in the positions, corresponding to all the cloth bags, of the second horizontal plate, and adjusting assemblies used for adjusting the states of the cloth bags are installed at the blanking holes. The mode that a framework and a cloth bag are combined in a traditional bag-type dust collector is abandoned, and a framework-free structure is adopted. When the cloth bag is subjected to dust removal, the disc rotates, the cloth bag is twisted and deformed, part of floating dust can automatically fall off, meanwhile, when the cloth bag is twisted, wrinkles are generated on the outer surface of the cloth bag, the outer surfaces rub against each other, and falling of a compact dust layer is promoted.

The invention belongs to the technical field of pulse dust removers, and particularly relates to an intelligent pulse dust remover and a control method. The control method comprises the following parts and steps: S1, monitoring the dust emission concentration in real time through a dust concentration detection sensor, and controlling a system to correspondingly and automatically increase and decrease the rotating speed of a frequency conversion fan and the opening degree of an automatic air regulating valve according to the increase and decrease of the dust concentration; s2, dust is discharged through a frequency conversion fan after being filtered; s3, the resistance of the filter bag is monitored in real time through a pressure difference sensor, when the pressure difference reaches an ash removal threshold value, a control system is started for pulse ash removal, and the injection pressure is dynamically adjusted by adjusting an electric pressure adjusting valve according to the set pressure difference change rate; and S4, the control system automatically controls opening and closing of the star-shaped discharging valve. The system has the advantages of dynamic ash removal control, dynamic working condition adjustment, low operation energy consumption and the like.

The utility model discloses an automatic packaging dust collection device, which relates to the technical field of flaking dust collection towers, and comprises a hopper, the bottom of the hopper is fixedly connected with a rack, an annular pipe is fixedly connected with the inner wall of a blanking pipe, a guide pipe is communicated with a dust collector assembly, and raised dust is adsorbed by the annular pipe when materials are blanked. Dust enters a connecting pipe through an annular pipe and then enters a dust collector assembly through an auxiliary part and a guide pipe, the influence of dust escaping on the surrounding environment is reduced, resource waste is reduced, during discharging, a packaging bag is clamped by a clamping plate, the bottom of the packaging bag is supported by a supporting plate, and the stability of the packaging bag in the using process can be improved; the second gear drives the first gear to rotate, the first gear drives the rack to move left and right, through synchronous movement of the scraping plate and the rack, sweeping of the top of the auxiliary plate can be achieved, materials enter the collecting box to be collected, follow-up recycling of the materials is facilitated, and waste of the materials is reduced.

The invention discloses a coal-fired unit energy storage coupling carbon capture system and method based on calcium circulation, and aims to realize efficient and cheap capture of CO2 in flue gas while performing energy storage peak regulation of a coal-fired unit. The system comprises main equipment such as a calcination / heat absorption reactor, a pressurized carbonation / heat release reactor, a CaCO3 storage tank, a CaO storage tank and a CO2 storage tank, and auxiliary equipment such as a gas booster compressor, residual pressure power generation equipment, an electric heating module, a dust remover, a gas cooler, a solar gas heater and a smoke-CO2 heat exchanger. According to the method, electric energy of green electricity or valley electricity and heat energy of high-temperature flue gas of a boiler are converted into chemical energy by adopting the cyclic calcination characteristic of CaCO3-based particles and stored in the CaCO3-based particles, and the chemical energy is released again in the form of heat energy when a unit supplies heat to the outside or a power grid uses electricity at the peak. The system has high operation flexibility and economical efficiency.

The invention discloses a dust removal and safety guarantee integrated system for coal mine underground drilling. Comprising a mining multi-parameter sensor, an electromagnetic pneumatic valve controller, a cyclone dust collector, a dry bag-type dust collector, a gas drainage pipeline, a dust extraction pipeline, a hole sealing dust extraction cover, a compressed air conveying pipe, an electromagnetic pneumatic valve, a front-stage air ejector, a rear-stage air ejector and an air extraction air ejector. The hole sealing dust extraction cover captures drilling dust, the drilling dust enters the cyclone dust collector through the dust extraction pipeline to separate large particles, and air outlet of the drilling dust is divided into two ways: the first way is connected with the gas drainage pipeline through the air extraction air ejector to convey harmful gas, and the second way is connected with the dry bag-type dust collector to filter fine particles. The mining multi-parameter sensor monitors the concentration, the pressure difference, the temperature and the humidity of CH4, CO and CO2, the electromagnetic pneumatic valve controller dynamically switches gas circuits based on data, dust collection, gas drainage, water isolation and fire prevention and control are achieved, the drilling operation safety and the environment quality are remarkably improved, and the device is suitable for a high-gas mine.

The invention relates to a bag-type dust collector leakage detection method based on a background differencing method, which comprises the following steps: firstly, acquiring a pattern card image in real time through an industrial camera, preprocessing through Gaussian filtering and ROI (Region of Interest) cutting, and then separating a static background from a potential leakage region by adopting a dynamic background modeling technology, so as to effectively overcome dust accumulation interference; calculating the weighted information entropy of each cloth bag region, and fusing the texture features and the motion features to enhance the leakage recognition capability; in the time sequence analysis stage, leakage continuity is evaluated through entropy change stability, an airflow space distribution mode is analyzed in combination with a vector convergence degree, the detection accuracy is remarkably improved, finally, a leakage judgment standard is dynamically adjusted by adopting a self-adaptive threshold mechanism, and the robustness of the system under different working conditions is ensured. According to the scheme, automation and intelligentization of the whole leakage detection process are achieved, the advantages of being high in anti-interference capacity, low in false alarm rate, wide in adaptability and the like are achieved, and the operation and maintenance efficiency of the bag-type dust collector can be remarkably improved.

The utility model relates to an industrial dust collector. The industrial dust collector comprises a box body, a filter cartridge, a cleaning assembly and a negative pressure assembly arranged in the box body, the box body comprises a dust collecting barrel, an air inlet formed in the dust collecting barrel and an air outlet formed in the top of the box body; the filter cartridge is arranged in the dust collecting barrel, the side wall of the filter cartridge is surrounded by a fold-shaped filter membrane, and a cylindrical cavity isolated from the filter chamber is arranged in the filter cartridge; the cleaning assembly is rotatably arranged in the cylindrical cavity and is in contact with the wrinkle bulge of the filter membrane; the first end of the negative pressure assembly communicates with the cylindrical cavity, and the second end is connected with the air outlet. The utility model provides an industrial dust collector which is wide in application range, excellent in filtering performance and capable of conveniently and rapidly cleaning a filter membrane and does not generate loud noise during dust removal.