28079 results about "Dust control" patented technology

The invention relates to the technical field of unmanned aerial vehicle dynamic dust suppression intelligent decision making based on multi-sensor data fusion, in particular to a loess photovoltaic construction dust suppression unmanned aerial vehicle spraying dynamic regulation and control device and method, and the method comprises the steps: building a dynamically updated four-dimensional concentration field through a sensor cooperation unit in combination with a turbulence diffusion model of a dust field reconstruction engine; and the strategy knowledge base is optimized to shorten the flight path planning decision-making period from the minute level of the existing offline planning to the second level response. And the anti-interference execution unit realizes accurate spray trajectory tracking under a complex wind field condition. And a real-time evaluation closed loop of the dust suppression effect is constructed by a dual-spectrum imaging and deep learning analysis technology of the efficiency feedback unit, so that a dust field model can dynamically correct boundary condition parameters. The response lag time of an existing dust suppression system is shortened, meanwhile, the spray coverage rate is increased, energy consumption is reduced on the premise that the dust suppression effect is guaranteed, and an intelligent solution is provided for photovoltaic construction flying dust treatment.

The invention relates to the technical field of cloth bag dust removal equipment, in particular to dynamic back-flushing cloth bag dust removal equipment based on dust induction, which comprises a dust removal box, filter bags mounted in the dust removal box, two gas purification boxes fixedly connected to the dust removal box and used for discharging dust-removed gas, a partition plate fixedly connected to the interior of the dust removal box, and the filter bags in the dust removal box are divided into two groups by the partition plate. The dust removal box is internally divided into two dust removal spaces, the lower sides of the two dust removal spaces are communicated, two dust hoppers are fixedly connected to the dust removal box, air inlet pipes are fixedly connected to the dust hoppers in a communicating mode, each air inlet pipe is independently communicated with a dust-containing space needing dust removal, and the dust removal box is rotationally connected with a sealing plate; and the sealing plates are used for sealing the corresponding dust removal spaces so as to facilitate dust removal and maintenance. According to the equipment, the dust concentration is detected in real time through the dust concentration sensor, and the DCS system dynamically adjusts blowing parameters according to detection data, so that the cleaning effect of dust on the surface of the filter bag is improved, excessive blowing can be avoided, and unnecessary energy consumption can be reduced.

The invention discloses an intelligent regulation and control method and system for dust removal and air control of an underground high-gas heading face, and relates to the field of intelligent control. Firstly, an environment parameter set and an equipment parameter set are obtained in real time; constructing a digital twinborn model of the tunneling face and the ventilation system based on the environmental parameter set and the equipment parameter set, and simulating gas concentration and dust concentration under different working conditions; the prediction model predicts the gas emission amount trend and the dust concentration trend; and inputting the environment parameter set, the equipment parameter set and the risk level into an optimization model, and generating a target decision instruction by the optimization model. The operation parameters in the ventilation system can be timely regulated and controlled in real time based on the monitored environment parameter set of the tunneling face and the equipment parameter set in the ventilation system, so that the ventilation and dust removal efficiency of the ventilation system is improved. Moreover, the decision instruction is generated by referring to the trend of the gas emission amount and the dust concentration in the future, so that the accuracy of the decision instruction of the ventilation system is further improved.

The invention discloses a dust removal system and method for a laser cutting machine and the laser cutting machine, and belongs to the field of laser machining equipment. According to the technical scheme, the dust removal system of the laser cutting machine comprises a side dust removal device capable of being arranged on the side of a machine body of the cutting machine, the side dust removal device comprises an X-axis air draft pipeline, the X-axis air draft pipeline is connected with an X-axis fan, and a follow-up component is arranged on the X-axis air draft pipeline; the upper dust removal device can be arranged on a cross beam of the cutting machine, the upper dust removal device comprises a Y-axis air draft pipeline, the Y-axis air draft pipeline is divided into at least two air draft areas, and each air draft area is connected to the transition pipeline through a valve and is communicated with the follow-up component. According to the scheme, the upper dust removal device capable of following in the Y-axis direction is arranged on the cross beam of the laser cutting machine, air draft and dust removal are directly carried out at the position, the dust removal position is located above the machining position of the laser cutting machine at any time, the dust removal position is closer to the machining position, and the dust removal effect is greatly improved.

The invention provides a dust removal control method for a machine-made sand impact crusher. The dust removal control method comprises the following steps that working condition parameters and dust removal parameters of the crusher are collected in real time; dynamically calculating a target negative pressure value and a dust removal triggering threshold value based on the working condition parameters and the dust removal parameters of the crusher; according to the target negative pressure value, the operation power of an exhaust fan is adjusted, so that the negative pressure strength of the dust removal system is matched with the current crushing working condition corresponding to the working condition parameters of the crusher; when the resistance of the filter bag reaches a dust removal triggering threshold value, starting a dust removal assembly, and adaptively adjusting the dust removal frequency and vibration amplitude of the dust removal assembly according to the dust concentration change rate; the weight of the dust collecting box is monitored in real time, and when the weight of the dust collecting box reaches the weight set upper limit, the automatic dust discharging device is started to convey dust to an external recycling system. According to the method, the target negative pressure value and the ash removal triggering threshold value can be dynamically calculated, so that the dust removal strength is accurately matched with the current crushing load, and the working condition self-adaptive dynamic control is realized, so that the dust removal efficiency and the energy consumption in the production and preparation process are balanced.

A manicure dust suction device relating to the field of manicure technology is provided, including a housing having a cavity and a dust suction port provided on the housing. The dust suction port has a first end and a second end, the first end is higher than the second end, the housing is further provided with an air suction mechanism for providing a suction force to the dust suction port.

The invention discloses an efficient pulse bag type dust collector and an ash removal method thereof, and relates to the technical field of bag type dust removers, the efficient pulse bag type dust collector comprises a dust collection box, a dust collection chamber for dust-containing gas to flow from bottom to top is formed in the dust collection box, a dust collection pattern plate is arranged in the dust collection chamber, and the dust collection chamber is divided into a dust collection cavity and a purification cavity through the dust collection pattern plate; the dust removal piece at least comprises a plurality of dust removal frameworks vertically installed in the dust removal cavity and a plurality of dust removal pieces fixedly connected to the exteriors of the dust removal frameworks in a sleeving mode, the top ends of the dust removal frameworks penetrate through the dust removal pattern plate and extend into the purification cavity, and the dust removal frameworks can slide up and down along the axes of the dust removal frameworks relative to the dust removal pattern plate; and a nozzle is mounted at the position, right opposite to the dust removal piece, in the splice plate. According to the dust removal device, targeted dust removal is carried out on the severely blocked cloth bag, and energy waste caused by overall dust removal is avoided.

The invention discloses a laser processing method and device for a special shell, and the method comprises the steps: S1, obtaining the structural feature data of the shell through three-dimensional scanning, planning a laser processing path according to the structural feature data, and generating a processing path file; s2, starting a dust removal assembly, emitting positioning laser at the same time, measuring the optical path offset through a photoelectric detection assembly, and generating calibration parameters; s3, the light transmittance change of the light blocking assembly is controlled based on the calibration parameters, and a stable laser beam is formed by adopting a closed-loop control strategy; s4, a stable laser beam irradiates the surface of the shell along the machining path, and the irradiation position is dynamically corrected in combination with the deformation prediction model; s5, local laser strengthening is conducted on the machined key area, and meanwhile the machining path file of the next period is optimized; a light blocking assembly with adjustable light transmittance is combined with a closed-loop control strategy to dynamically adjust laser energy, deformation prediction and spectral analysis provide real-time quality guarantee, the process is continuously optimized through iterative optimization of a digital model, and a high-quality shell finished product is obtained.

The invention relates to the technical field of flue gas treatment, in particular to a sintering flue gas denitration and dust removal integrated post-CO removal method which is specifically completed through cooperation of a sintering flue gas treatment system, and the sintering flue gas treatment system comprises a GGH heat exchanger, a desulfurization reactor, a denitration dust remover and a CO reactor which are sequentially communicated through pipelines. The CO catalyst module is a transition metal oxide CO catalyst; the cleaning device is used for cleaning ash of the CO catalyst module; the ammonia gas is sprayed into the outlet of the desulfurization reactor, so that ammonia escape is reduced, poisoning of the CO catalyst module is reduced, the catalytic efficiency of the CO catalyst module is improved, and the service life of the CO catalyst module is prolonged; the CO catalyst module is regularly subjected to air blowing and back blowing in a closed area, so that impurities such as carbon deposition on the CO catalyst module are cleaned, more active sites are exposed, the service life of the CO catalyst module is prolonged, and the investment and operation cost is reduced by adopting a transition metal oxide CO catalyst.

The invention relates to the technical field of dust removal equipment, and provides a bag-type dust removal device aiming at the condition that the filter bag cleaning effect of a traditional bag-type dust remover is limited, and the bag-type dust removal device comprises a bag-type dust remover body and an auxiliary flow guide mechanism; the bag-type dust collector body comprises a bag chamber, and a filtering mechanism and a pulse blowing system are arranged in the bag chamber in a supporting manner; the filtering mechanism comprises a supporting plate supported on the top of the cloth bag bin, and a plurality of filtering bags are vertically and downwards supported on the supporting plate; the pulse blowing system is used for blowing compressed air to the filter bag; the auxiliary flow guide mechanism comprises a flow guide plate and a lifting driving part; the guide plate is supported in the cloth bag chamber; the guide plate is provided with a plurality of through holes corresponding to the plurality of filter bags, and the filter bags are arranged in the corresponding through holes in a penetrating manner; and the lifting driving piece is in driving connection with the flow guide plate and is used for driving the flow guide plate to lift. The device has the effect of improving the cleaning degree of the filter bag of the bag-type dust collector.

The embodiment of the invention provides a carpet cleaning method, a sweeping robot and a readable storage medium, when a carpet area is cleaned, the sweeping robot advances forward to execute a first cleaning operation on the carpet area through a rolling brush, and advances backward to execute a second cleaning operation on the carpet area through the rolling brush; the rotating direction of the driving wheel is the same as that of the rolling brush in the forward advancing process, and the rotating direction of the driving wheel is opposite to that of the rolling brush in the backward advancing process. By adopting the scheme, large-particle garbage on the carpet is cleaned through the first cleaning operation, and the number of times of beating the carpet by wool tops of the rolling brush is more than that in the second cleaning operation process, so that the carpet area can be deeply cleaned through the second cleaning operation to deeply clean dust at the bottom and in gaps of the carpet; the dust removal rate of different particles of the carpet is improved, and the cleaning effect of the carpet area is improved.

The utility model relates to the field of magnesia processing, and discloses a dedusting device for magnesia processing, which comprises a support seat, the top end of the support seat is fixedly connected with a dedusting frame, the right end of the dedusting frame is provided with a dust suction mechanism, and the inner wall of the dedusting frame is inserted with a filter frame. A wedge block is elastically connected to the inner wall of the bottom end of the dust removal frame through a reset spring, an elastic telescopic rod is fixedly connected to the side wall of the inner side of the dust removal frame, a shielding plate is slidably connected to the outer wall of the dust removal frame, an insertion block is slidably connected to the inner wall of the shielding plate, and a controller is arranged at the top end of the dust removal frame. According to the dust removal device, the new filter frame is inserted into the dust removal frame, the new filter frame extrudes and moves the wedge block, the wedge block is separated from the old filter frame, the old filter frame is pushed out by utilizing the elastic force of the elastic telescopic rod, the filter frame does not need to be replaced after shutdown, the dust removal device is simple and convenient in actual operation, and the dust removal effect is improved to a certain extent.

The invention discloses an intelligent regulation and control method and system for a dust removal system of an iron and steel enterprise, and the method comprises the following steps: collecting real-time data according to a set frequency, including the operation parameters of each dust production point, the opening degree of a valve, and the operation parameters and exhaust condition parameters of a dust remover, dust conveying equipment and a fan, and dividing the data into operation variables and regulation variables; a hybrid neural network model is constructed, the hybrid neural network model comprises an LSTM-GPT-Neo backbone network, a DenseNet branch network and a meta learning feature fusion correction layer, and the LSTM-GPT-Neo backbone network fuses an LSTM architecture and a GPT-Neo architecture; inputting time sequence data to carry out model training and optimization; and inputting the data into the trained hybrid neural network model for calculation and analysis, and outputting the opening degree of the valve and the optimal operation parameters of the fan. Under the condition that the dust removal efficiency and stability are guaranteed, the electricity utilization cost of the steel plant can be remarkably reduced, and the problem of equipment loss caused by excessive dust emission or excessive air volume due to insufficient air volume is avoided.

A construction dust removal device includes a movable base, on which a dust suction mechanism and a spray mechanism are provided; the dust suction mechanism includes a dust removal head, a dust suction pipe group and a dust removal box which are connected in sequence, the angle of the dust removal head is adjustable, the dust removal box has an air inlet, the air inlet is connected to one end of the dust suction pipe group for air intake, a plurality of first dust removal nozzles located above the air inlet are provided in the dust removal box, and the nozzles of the first dust removal nozzles are arranged downward; the spray mechanism includes a water tank and a plurality of second dust removal nozzles, and the plurality of second dust removal nozzles are connected to the water tank through a pipe with a valve. The dust suction mechanism and the spray mechanism of the utility model can select a suitable dust removal method according to the size of the dust range of the construction phenomenon, and there is no need to equip a variety of dust removal equipment, which reduces the occupied space. For a construction environment with a large range of dust, it is necessary to start the spray mechanism for dust removal, and for a small range of dust environment, dust is removed by the dust suction mechanism.

The invention relates to the technical field of plastic crushing, in particular to a plastic crushing device which comprises a crushing box, a feeding hopper is installed on the upper portion of one side of the crushing box, two crushing shafts are rotatably installed between the two ends of the crushing box, and a crushing roller is installed in the middle of the outer side wall of each crushing shaft. Two supports are installed above one side of the smashing box, vertical plates are installed on the supports, and a dust removal box is arranged between the two vertical plates. According to the plastic cutting device, the hollow shaft is rotated firstly, the hollow shaft drives the cutting blades to rotate, plastic is cut into small pieces, follow-up smashing is facilitated, meanwhile, hot air generated by the air heater enters the hollow shaft through the rotating connector and then is discharged through the air outlet, wet dust attached to the surface of the plastic is dried, moisture in the dust is evaporated, the dust becomes dry, and adhesive force is weakened; and the plastic is dedusted firstly, so that the subsequent cleaning is simpler, the consumption of water resources is reduced, and the cleaning cost and the treatment time are reduced.

The invention relates to the technical field of tentering setting machines, in particular to a tentering setting machine filtering conduction band dust removal device which comprises a dust removal shell, the side wall of the dust removal shell is communicated with a hollow pipe, a filtering net cylinder is arranged in the dust removal shell, and rotating rings are fixed to the two ends of the filtering net cylinder. Limiting rings which are symmetrically distributed are fixed to the inner wall of the dust removal shell, scraping plates which are symmetrically distributed are fixed between the limiting rings, a partition plate is arranged on the inner wall of the filter screen cylinder, a rotating rod penetrates through the end face of the dust removal shell, and the rotating rod is connected with a driving mechanism, a transmission mechanism and a reverse blowing mechanism; when there are many impurities such as dust and thread ends on the surface of the filter screen cylinder, the filter screen cylinder is driven to rotate through the rotating ring, the filter screen cylinder in the rotating process is cleaned through the scraping plate, meanwhile, back flushing is conducted on the filter screen cylinder from the interior of the filter screen cylinder, and the impurities such as dust and thread ends adsorbed in meshes can be effectively blown off; and the cleaning effect on the filter screen cylinder is effectively improved.

The present invention proposes a system and method for automatic adjustment of secondary and tertiary dust removal of a converter, the system comprising: a dust collector, an angle sensor and a control module, the control module is respectively connected to the fan motor of the dust collector and the angle sensor signal; the angle sensor is arranged on the converter, and is used to monitor the tilting angle of the converter in real time and send it to the control module; the control module is used to identify the production stage of the converter in the current smelting cycle according to the tilting angle of the converter, determine the speed of the fan motor of the dust collector according to the production stage, generate a speed control signal and send it to the dust collector; the dust collector is used to adjust the speed of the fan motor according to the speed control signal. The present invention can control the speed of the fan through the tilting angle signal of the converter according to the different amounts of flue gas generated at different stages in the converter smelting cycle, adjust the air volume of the dust collector, and achieve power saving and energy saving.

The utility model discloses a full-automatic tin soldering machine which comprises a tin soldering table, a tin soldering mechanism, a visual detection device, a tin breaking and supplying assembly and a dust removal device, workpiece guide rails are arranged on the tin soldering table, each workpiece guide rail is connected with a sliding table in a sliding mode, jigs are placed on the sliding tables, and workpieces to be welded are contained on the jigs. A first support and a second support are fixedly arranged above the tin soldering table, a first sliding rail is arranged on the first support, a second sliding rail is arranged on the second support, the first sliding rail is parallel to the second sliding rail, the first sliding rail and the second sliding rail are both perpendicular to a workpiece guide rail below, and a visual detection device is slidably connected to the first sliding rail. The visual detection device can identify and position the pin welding position on the workpiece, the second sliding rail is slidably connected with a tin soldering mechanism, the tin breaking and supplying assembly is connected to the side face of the tin soldering mechanism, and the dust removal device is arranged behind the tin soldering table. Whole-process automatic operation of welding spot positioning, automatic tin supplying and breaking and automatic tin soldering can be achieved, and the automatic tin soldering machine has the advantages of being stable and rapid in operation and high in safety.

The invention relates to a low-resistance efficient blowing dust remover applied to the field of dust removal, the dust remover is additionally provided with an upper electromagnetic rod and a lower electromagnetic rod on the basis of an existing filter bag assembly to enable the filter bag assembly to stretch out and draw back in the vertical direction, so that a vibration table vibrates up and down; the vibration effect generated by expansion of the filter bag assembly can be enhanced, dust hardened on the filter bag is cleaned in advance before back flushing is started, the resistance of follow-up back flushing dust cleaning is effectively reduced, energy consumption is effectively reduced, meanwhile, the filter bag can be effectively prevented from being impacted by high-pressure gas and damaged, the service life of the filter bag assembly is prolonged, and the service life of the filter bag assembly is prolonged. In addition, the shaking-off effect of the dust on the filter bag is enhanced by enabling the vibration table to generate vibration while back-blowing dust removal is carried out, and the vibration table can also transmit the vibration to the filter bag, so that the dust removal effect is further effectively improved.

The invention discloses a dust removal mechanism and a dust removal method of an inverted laser etching machine for LOW-E glass, relates to the field of dust removal for LOW-E glass laser etching, and solves the problems of dust dissipation, interference between an air curtain and negative pressure airflow, poor adaptability of adsorption force and easy blockage of a filter membrane in the etching process. The mechanism comprises a dynamic sealing dust removal cover, an annular air curtain guiding module, a negative pressure dust collection module, a multi-stage filtering module, a composite adsorption positioning module and an intelligent control module. The method comprises six steps of pretreatment positioning, air curtain-negative pressure collaborative initialization and the like. According to the scheme, airflow interference is eliminated through an air curtain-negative pressure collaborative PID algorithm, an adsorption force two-factor adjustment algorithm is matched with glass characteristics, pre-dedusting is achieved through a dust concentration LSTM prediction algorithm, and the filtering efficiency is guaranteed by combining a multi-stage filtering module with a filtering membrane self-cleaning function; dust concentration can be effectively controlled, glass film layer damage is avoided, dedusting stability is improved, and filtering life is prolonged.

1. Name of the Design Product: Handheld Vacuum Cleaner (RC-24C). 2. Use of the Design Product: As a small vacuum cleaner for cleaning and dust removal. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View.

The utility model relates to an unprocessed grain storage pulse dust collector for feed production, which comprises a dust collection shell, an air bag is fixed on one side of the dust collection shell; the anti-frosting assembly is arranged on one side of the air bag, the anti-frosting assembly comprises a temperature and humidity control part, and the temperature and humidity control part is used for controlling the temperature and humidity of air entering the air bag; the temperature and humidity control part comprises a hollow cooling tank and a heating tank, a spiral cooling pipe is fixed in the hollow cooling tank, and a semiconductor chilling plate and a water pump are arranged in the hollow cooling tank. High-temperature air is cooled through the hollow cooling tank and the spiral cooling pipe in the hollow cooling tank, low-temperature air is heated through the heating wire in the heating tank, and humidity in air is reduced while the temperature is regulated and controlled through the hollow cooling tank and the heating wire; deformation, damage and aging of the filter bag under high-temperature and low-temperature conditions can be avoided, and reduction of filtering efficiency due to caking of dust on the filter bag is prevented.

The invention discloses a building engineering management system and management method, and relates to the technical field of construction dust risk management. Dust monitoring points are arranged in a construction site, dust related parameters of a plurality of dust monitoring areas are monitored in real time, a diffusion data set and a mechanical operation distribution data set are combined, and construction dust risk management is performed. And carrying out deep calculation on the data by utilizing a neural network technology, and accurately obtaining the ground dust raising intensity, the mechanical operation dust raising index and the material storage dust raising diffusion ratio of each dust raising monitoring area. And performing association to obtain a regional dust raising comprehensive index Yczsi of the ith dust raising monitoring region, and then performing evaluation to automatically generate a risk grading result. According to the intelligent evaluation based on the data, errors caused by manual estimation are avoided. And according to the grading result, the system can automatically adjust dust raising control measures, such as watering, dust screen setting or construction plan adjustment, so that reasonable control measures are adopted in different risk grade areas, and the generation of dust raising pollution is further reduced.

The invention discloses a waste lithium battery electrolyte waste gas treatment device and method, and relates to the field of waste lithium battery electrolyte waste gas treatment. The waste lithium battery electrolyte waste gas treatment device comprises a box frame, a filter box is fixedly connected to the box frame, a dust falling hopper is arranged on the filter box, a gas inlet pipe is fixedly connected to the dust falling hopper, a gas purification box is fixedly connected to the filter box, a gas outlet pipe is fixedly connected to the gas purification box, and dust removal cloth bags which are evenly distributed are fixedly connected to the bottom wall of the gas purification box. The upper end of the dust collecting bag is fixed and suspended in the inner cavity of the filter box. The problem that dust at the bottom of the bag is difficult to clean is solved through the dust cleaning mechanism, and the efficiency and service life of the dust collecting bag are improved; during dust removal, the plugging frame opens the bag bottom, accumulated dust is removed in cooperation with high-pressure injection, and sticky dust is prevented from forming a'dead zone '; the cloth bag is loosened to enhance the vibration effect and improve the dust stripping rate; the process is automatic, resistance is reduced, the operation period is prolonged, and complex waste gas purification is facilitated.

The invention provides a shoe sole wear resistance detection device, and belongs to the technical field of wear resistance detection, the shoe sole wear resistance detection device comprises an instrument body and a shoe sole sample formed by punching a shoe sole, and further comprises a simulation detection assembly and a dust removal cleaning assembly; under the guidance of the guide ring, the first support arm can periodically move up and down, the process simulates the dynamic change of the pressure borne by the sole in different gait stages when a person walks, and in combination with the rotation of the sole sample, not only is the vertical pressure change simulated, but also the friction force in different directions can be simulated through relative sliding. The stress state of the shoe sole in the walking process is restored, so that the detection is closer to the actual use scene; the dust removal system is driven by the power of the detection device to operate, so that all-directional coverage of the whole abrasion area is realized, the retention time of dust in the detection area is reduced, dust interference can be avoided, the state of a sole sample before and after detection is only influenced by abrasion of a grinding wheel, and the detection result more truly reflects the abrasion resistance of the sole.

The invention relates to a single-phase load identification intelligent ammeter, which relates to the technical field of ammeters, and comprises an ammeter body, a terminal cover and a fixing piece, the ammeter body is provided with a wiring area, a display area and a drainage channel penetrating through two sides of the ammeter body, and the terminal cover is hinged on the ammeter body and covers the wiring area and the drainage channel. The fixing member is used for detachably fixing the terminal cover on the ammeter body. The plugging part is arranged on the terminal cover, the plugging groove is arranged in the wiring area, the fixing piece is taken down from the plugging part to form an air guide flow channel between the plugging part and the wiring area, and the air guide flow channel is communicated with the drainage channel. Air is supplied to the plugging part through external air supply equipment, dust removal air can be blown into the wiring area along the air guide flow channel and is discharged through the drainage channel, dust in the wiring area can be cleaned under the condition that the terminal cover is not opened, the dust removal efficiency is improved, and the maintenance risk is reduced.

The invention relates to the technical field of automatic dust removal equipment, and discloses safe-filtering electrical automatic dust removal equipment which comprises a main body, a partition plate is fixedly connected to the interior of the main body, an adsorption pump is fixedly connected to the top of the partition plate, an outlet bin is fixedly connected to the bottom of the main body, and a rotating ring is arranged at the end, away from the adsorption pump, of the partition plate; the end, close to the adsorption pump, of the connecting disc is in bolted connection with the partition plate. The spiral structure in the arc-shaped vertebral plate can guide gas sprayed out through the hollow ring, so that the gas flows in a downward spiral flowing mode when being sprayed out, and dust on the surface of the filter layer is sprayed downwards to be cleaned; the dust collector has the advantages that stronger impact force and downward traction force can be generated on dust on the surface of the dust collector, so that the dust is more effectively cleaned, the dust is prevented from being accumulated on the surface of the dust collector, and a filtering layer is prevented from being blocked.

The invention relates to the field of coal mine intelligent management and control, and particularly discloses a coal conveying system dust management and control integrated platform based on multi-sensor collaboration, which comprises the following components: a multi-sensor collaboration monitoring module, a central controller, a dynamic control module, a cloud server and a graded alarm and emergency module. The system has the beneficial effects that through multi-sensor collaborative layout and a data fusion algorithm, global coverage monitoring of the dust concentration of the coal conveying system is realized, a dust removal strategy is dynamically optimized, redundant operation of equipment is avoided, and the overall energy-saving efficiency is improved. The platform integrates dust, gas and fire monitoring functions, adopts a fuzzy logic algorithm to optimize a dust removal strategy, supports graded alarm and emergency linkage, remarkably improves dust removal efficiency and safety, and is suitable for industrial scenes such as thermal power generation and coal transfer.

The invention relates to a bandage, a pleated filter cartridge and dust removal equipment, and belongs to the technical field of filtering and dust removal equipment. The bandage is applied to the pleated filter cartridge and comprises a pleated structural member and a fixing structural member, the pleated structural member comprises an annular body and a plurality of tooth bodies connected to the inner side of the annular body, part of adjacent tooth bodies are arranged at intervals in the annular arrangement direction of the annular body to form receding grooves, at least one adjacent tooth body is arranged at intervals to form mounting grooves, and the fixing structural member is fixed to the annular body. The avoiding groove and the mounting groove are both used for avoiding at least one fold tooth of the filter material; the fixing structural part is arranged in the mounting groove and comprises a clamping piece part with an opening end and a connecting end and a fixing part, the clamping piece part is connected with the fixing part through the connecting end, the opening end of the clamping piece part is used for being connected with the pleat teeth of the filter material, and the fixing part is connected with the annular body. According to the bandage, the pleated filter cartridge and the dust removal equipment provided by the invention, the problems that the bandage is easy to age and deform after being used for a long time and the filtering effect of the filter cartridge is finally reduced are at least solved.

The invention relates to the technical field of polishing devices, and particularly discloses a metal accessory polishing device which comprises a polishing table, a connecting rod is slidably connected to an inner cavity of the polishing table, a polishing mechanism is arranged on the outer surface of the connecting rod, a double-station assembly is arranged on the upper surface of the polishing table, and a dust removal assembly is arranged on the outer surface of the double-station assembly. The double-station assemblies alternately work, so that the waiting time can be remarkably shortened, the polishing efficiency is improved, metal accessories can be flexibly fixed, the situation that the metal accessories are damaged due to the fact that the action force of the polishing wheel on the metal accessories is too large is prevented, and when the metal accessories are subjected to the large action force of the polishing wheel, an alarm can be given in time; according to the polishing device, workers can conveniently maintain the polishing device in time, so that the rejection rate is reduced, chippings generated in the polishing process can be cleaned in time through the dust removal assembly, the polishing precision is improved, and the cleaned dust can be collected in time.