44036 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 provides a dust control method in a calcium carbonate manufacturing process, which comprises the following steps: preprocessing a data set of dust monitoring data and process parameters, fusing data with different sources, different formats and different timestamps, and normalizing the data into a time sequence analysis form; under preset production efficiency, cost control and quality stability constraint conditions, optimizing and searching equipment decision variable parameters, a product formula and a transportation mode to obtain an equilibrium solution of dust control and production management, and forming an improved process scheme; and the optimized process scheme is issued to a control system of each production device, the temperature, pressure and flow parameters of each process are adjusted in real time, the dust concentration change is dynamically monitored, and closed-loop optimization control of dust is formed.

The invention relates to a coal mine fully-mechanized excavation face intelligent ventilation dust control and removal system based on an optimal coordination mechanism, and belongs to the technical field of coal mining. According to the system, through integrating a plurality of functional modules such as data processing, area control, optimal parameter calculation, execution control, safety guarantee and expert system evaluation, intelligent management of ventilation, dust control and dust removal is realized. The system adopts a method of combining fuzzy control and PID (Proportion Integration Differentiation) control, and automatically calculates and adjusts operation parameters of the air control device and the dust remover according to environmental parameters such as dust and gas concentration which are monitored in real time, so as to realize an optimal ventilation and dust control effect. Through training and prediction of a machine learning model, the system can autonomously learn and optimize technical parameters of a dust control and removal process, the adaptive capacity and the operation efficiency of the system are improved, the dust and gas concentration of a working face is effectively reduced, and health of workers and safe production are guaranteed. The invention aims to improve the environmental quality of the coal mine fully-mechanized excavation face and promote the intelligent development of the coal mine ventilation dust control and removal technology.

The invention relates to the technical field of dust removal equipment, in particular to efficient, energy-saving and environment-friendly dust removal equipment which comprises a moving assembly installed on the indoor top. The air exhaust end of the air exhaust equipment is connected to the filtering assembly, the filtering assembly comprises an outer cylinder, the ends of the branch pipes are each provided with a sealing assembly, the telescopic cylinders are connected with the high-pressure air storage tank, air blown into the sealing assemblies by the telescopic cylinders can enter the filtering cylinders, and when the filtering cylinders below one sealing assembly are cleaned, the sealing assemblies are arranged on the outer cylinder, and the sealing assemblies are arranged on the sealing assemblies. The other sealing assemblies and the filter cartridge are still in a working state, air blown out from the port of the air pipe can drive surrounding air to flow towards the port of the air inlet pipe, the port of the air inlet pipe is matched for air exhaust, the blown air is sucked into the outer barrel, and the dust removal effect and the dust removal range are further improved in cooperation with operation of the moving assembly; the self-cleaning function of the filter screen of the dust removal equipment is achieved through cooperation, the situation that the normal production and processing operation is affected by shutdown when the filter cylinder is cleaned is effectively avoided, and the dust removal range and the dust removal effect are effectively improved.

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.

A bag-type dust removal apparatus having an easily replaced dust removal bag (A), comprising: a housing (100), comprising an air inlet (101) and an air outlet (102), a first sliding groove (103) being provided on the housing (100); a lifting mechanism (200), disposed on the housing (100), and comprising a mounting frame (201) slidably connected in the first sliding groove (103), a driving module (202) disposed on the housing (100), a transmission module (203) disposed on the mounting frame (201) and fitting with the driving module (202), and a trigger module (204) disposed on the mounting frame (201) and fitting with the transmission module (203), the mounting frame (201) being provided with a clamping slot (201a), and the dust removal bag (A) being clamped in the clamping slot (201a); and a locking mechanism (300), disposed on the mounting frame (201) and fitting with the clamping slot (201a). By means of configuring the lifting mechanism (200) to automatically lift out the dust removal bag (A), a worker does not need to pull out the dust removal bag (A), which greatly reduces raised dust, and the dust removal bag (A) is firmly mounted on the mounting frame (201) by means of the locking mechanism (300).

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 present invention relates to a single-sided double-knife roller automatic quick-change online glass fiber high-speed short-cutting machine, comprising a machine body and a short-cutting mechanism, an automatic switching mechanism, a loading mechanism, an online grinding mechanism, a hoisting frame, a leveling mechanism, a sampling material box, a lighting and ventilation unit, a dust removal unit, a safety locking unit, a wire pulling mechanism and a wire pushing mechanism installed on the machine body. The automatic switching mechanism is rotatably installed on the machine body, the short-cutting mechanism is installed on the automatic switching mechanism, and the bottom of the machine body is installed with a leveling mechanism. The advantages of the present invention are: improving the output of glass fiber short-cut finished products and the stability of product quality, reducing the discharge of waste glass fibers, and reducing the pollution of glass fiber short-cut production to the environment.

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 belongs to the technical field of flue gas treatment, and discloses a flue gas low-temperature dry desulfurization and denitrification treatment system which comprises an SDS (sodium dodecyl sulfate) desulfurization reactor, a feeder, an ammonia water tank, an SCR (selective catalytic reduction) denitrification reactor and a dust removal tank, an exhaust chamber is formed in the upper portion of the dust removal tank, a dust removal cloth bag is vertically and fixedly installed on the top face of an inner cavity of the dust removal tank, a cleaning mechanism is arranged in an inner cavity of the dust removal cloth bag, and a high-pressure pump is fixedly installed on the top face of the dust removal tank. Through the cooperative design of the high-pressure pump, the dust collection bag and the cleaning mechanism, the dust collection bag can be gradually dedusted in different areas, the dust cleaning uniformity is good, meanwhile, the effect of cleaning dust attached to the outer surface of the dust collection bag is improved through the vibration effect, and the situation that the back-blowing dust cleaning effect is poor on the side, away from high-pressure air entering, in the dust collection bag is avoided; the side close to the high-pressure air inlet side is good in back-blowing dust cleaning effect, the uniformity of cleaning dust attached to the outer surface of the dust removal cloth bag is reduced, and the cleaning effect is reduced.

This application relates to the field of nail dust removal technology and specifically discloses an efficient nail dust collector. The casing has a dust removal area connected to the dust removal device on the outside, and a blower device on the casing used to blow nail dust towards the dust removal area. Through the air pressure generated by the blower device, nail dust is pressed down to the dust removal area, and the dust removal device collects the nail dust from the dust removal area. The cooperation of the blower device and the dust removal device can effectively improve the dust removal effect, reduce the noise generated during the operation of the dust collector, and avoid affecting the health of consumers and workers. The structure is simple, convenient to use, and meets usage requirements.

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 invention provides a frequency conversion permanent magnet synchronous motor integrated device, and belongs to the technical field of permanent magnet synchronous motors, the frequency conversion permanent magnet synchronous motor integrated device comprises a bottom outer shell and a top outer shell, and the joint of the bottom outer shell and the top outer shell is fixed through a bolt; a permanent magnet motor main body and a frequency converter main body are fixedly mounted in the bottom outer shell and the top outer shell through heat dissipation fins, a heat dissipation and dust removal mechanism is arranged above the frequency converter main body, and the heat dissipation and dust removal mechanism comprises a first rotating rod; through the arranged heat dissipation and dust removal mechanism, when the permanent magnet synchronous motor works, a heat dissipation fan in the permanent magnet synchronous motor can synchronously work, heat in the motor is rapidly discharged to the outside, the heat is prevented from being accumulated in the shell, a cleaning brush can move up and down in the heat dissipation process, filtering holes of an annular lifting plate are cleaned, and the heat dissipation efficiency is improved. And dust is prevented from being accumulated at the filtering holes to block the filtering holes and affect the ventilation efficiency, so that the overall heat dissipation effect of the device is improved.

The invention provides a negative pressure suction dust removal device based on a Venturi effect, and belongs to the field of coal mine dust removal. The problems that an existing dust removal device suitable for the field of coal mine dust removal is too large in size and mass, difficult to move, large in noise, high in daily maintenance cost and the like are solved. The device comprises a box body, a water power fan, a Venturi tube, a desilting assembly, a counter-rotating fan, a filtering cabin and a water tank, wherein an air inlet pipeline, a settling cavity, an air duct and an air outlet pipeline are sequentially arranged in the box body; the hydrodynamic fan is arranged at the inlet end of the air inlet pipeline; the input end of the Venturi tube is communicated with the air inlet pipeline, and the output end is communicated with the settling cavity; the desilting assembly is arranged below the air duct; the counter-rotating fan is arranged in the air duct and is positioned between the settling cavity and the filtering cabin, and the filtering cabin is communicated with the air outlet pipeline; and the water tank is communicated with the filtering cabin and is also communicated with a water inlet of the hydrodynamic fan. The dust removal device is simple in structure, small in size and mass, convenient to move, low in noise and low in daily maintenance cost.

The invention relates to the technical field of fault detection, and discloses a dust removal fan fault prediction method and device based on a hybrid rice algorithm, and the method comprises the steps: carrying out the feature extraction of historical vibration data, and obtaining feature data; establishing a vibration curve prediction model based on the feature data, and obtaining a predicted vibration curve through the vibration curve prediction model and the first vibration data; calculating an optimal weight parameter based on a hybrid rice algorithm and obtaining a fan fault prediction model; and inputting the predicted vibration curve into a fan fault prediction model to obtain a fault type, and determining a corresponding maintenance suggestion. The vibration curve prediction model and the fan fault prediction model are established through the historical vibration data and the hybrid rice algorithm, the predicted vibration curve is obtained through the first vibration data and the vibration curve prediction model, and the predicted vibration curve is input to the fan fault prediction model to obtain the fault type and the corresponding maintenance suggestion. Therefore, the fault reason of the dust removal fan can be judged more accurately.

The invention discloses an integrated dedusting-cooling system and method for a high-temperature mining working face of a mine. The integrated dedusting-cooling system comprises a sensor monitoring device, a fuzzy PID control device and a dedusting-cooling device, after the compressed air injection unit of the dust removal and cooling device sucks high-temperature dust-containing airflow in the environment into the system, primary dust removal is performed in the humidification and growth unit firstly, then cold fog cooling and secondary dust removal are performed in the cold fog dust removal unit, and finally airflow purification and tertiary dust removal are performed in the dust filtration and fog dissipation unit. In addition, the sensor monitoring device is adopted to collect environmental monitoring data in real time and feed back the environmental monitoring data to the fuzzy PID control device for processing, when any monitoring data deviates from the environmental parameters set by the system, the working condition of the dust removal and cooling device can be adaptively regulated and controlled, and then continuous dust removal and cooling are conducted on the high-temperature mining working face under different environmental parameters. And efficient cooperative treatment of dust and heat damage on the high-temperature mining working face of the mine is realized. The device has the advantages of being small in dust escape amount, high in dust removal-cooling efficiency and low in energy consumption.

The invention discloses dust removal equipment for a furniture production workshop, and relates to the technical field of dust removal equipment, the dust removal equipment comprises a dust removal assembly, an exhaust fan, a dust removal pipe and a main air pipe, the dust removal assembly comprises a dust removal box, a separation box, a discharge pipe, a material receiving box, a dust separation assembly and a backflushing assembly, the dust separation assembly is used for filtering dust, and the backflushing assembly comprises an oscillation assembly. The dust removal assembly is used for removing dust outside the dust separation assembly. The invention further discloses a dust removal method of the dust removal equipment for the furniture production workshop. The dust removal method comprises the following steps of equipment installation, dust removal and equipment cleaning. Through the dust separation assembly and the backflushing assembly, the purpose of dredging blockage is achieved, the problem of low efficiency caused by blockage is solved, and through the arrangement of the oscillation assembly, the dredging effect is further improved, the working time of the dust removal cloth bag is prolonged, and the filtering efficiency is improved.

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 invention discloses a field laser intelligent weeding and thinning robot which comprises four sets of wheel leg assemblies driven by servo motors, a front telescopic swing bridge, a rear telescopic fixed bridge, a base assembly, a liftable laser striking platform and electric control equipment such as a power generator and a three-dimensional laser terrain scanning radar. A plurality of modularized high-power carbon dioxide laser modules, four groups of laser range finders and five groups of double-axis tilt angle sensors are respectively mounted on and around a laser striking platform, each laser module comprises a digital galvanometer, a pseudo-coaxial camera and a miniature windscreen wiper dust removal system, and a digital galvanometer, a pseudo-coaxial camera and a miniature windscreen wiper dust removal system are mounted below the laser striking platform. A plurality of AI intelligent identification and positioning cameras and lighting devices are installed. Therefore, the robot can automatically identify and position weeds and seedlings through the AI intelligent camera and guide the laser to accurately strike the target, has the advantages of easy realization of modularization, universalization and standardization in the later period, is beneficial to cost saving, and is suitable for large-scale popularization and application in the later period.

The invention provides an iron and steel enterprise high-salt wastewater and high-salt solid waste collaborative resource utilization system which is characterized in that firstly, non-magnetic fly ash in sintering machine head fly ash is screened out through a pretreatment module; carrying out multi-stage washing and filter pressing treatment on slurry obtained by mixing the non-magnetic dedusting ash, the blast furnace gas condensate water and the strong brine of the desalting water station through a multi-stage washing and filter pressing module to obtain multi-stage washing ash and multi-stage ash washing brine; finally, carrying out purification and separation treatment on the multi-stage ash washing brine through a purification and separation module to obtain industrial-grade NaCl, industrial-grade KCl and devitrification mother liquor; according to the method, non-magnetic fly ash, blast furnace gas condensate water and strong brine of a desalting water station are used as raw materials, the problem of enrichment of alkali metal and chloride ions in a sintering machine system is solved through a series of co-processing technologies, and meanwhile industrial-grade NaCl and industrial-grade KCl are extracted from the blast furnace gas condensate water and the strong brine of the desalting water station. Therefore, the resource utilization rate is improved, and benefits are increased for iron and steel enterprises.

The utility model discloses a mining dedusting video camera, which comprises a camera body, the top of the camera body is provided with a protective shell, one side of the protective shell is provided with a support, the inside of the camera body is provided with a control assembly, and the control assembly is electrically connected with an infrared lamp and a lens. One side of the lens and one side of the infrared lamp are respectively provided with a first transparent plate and a second transparent plate which are embedded in the side wall of the camera body; and the mining dedusting camera also comprises a cleaning assembly. According to the mining dedusting camera, through cooperation of the connecting rod, the servo motor and the brush, the brush rod can be driven to drive the brush to regularly or irregularly clean the first transparent plate and the second transparent plate, the working effect of the infrared lamp and the lens is ensured, sufficient light is ensured, recorded pictures are clear, and the mining dedusting camera is convenient to use and high in practicability. The overall design structure is simple, and the effect is remarkable.

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 provides a PTFE foam coating multifunctional dedusting and denitration filter material and a preparation method thereof, and the technology is realized through the following steps: firstly preparing an efficient denitration catalyst, then preparing a dedusting filter material taking double base cloth as a substrate, and enhancing the structural stability through a special process. Then, the catalyst powder is uniformly impregnated in the substrate layer and dried to ensure the maximization of the catalytic activity. Then, a PTFE foaming coating is prepared, the surface of the needled felt is accurately coated with the PTFE foaming coating, the uniformity of the coating and the strong adhesive force of the coating and the base material are ensured through a gradient drying technology, and preparation of the multifunctional dust removal and denitration filter material is completed. According to the filter material, the PTFE foam coating and the efficient catalyst are combined, the integrated removal efficiency of various pollutants in industrial flue gas is effectively improved, the filter material is suitable for large-scale production, the cost effectiveness is optimized, the filter material has obvious advantages in economical efficiency and market application, and an efficient and economical solution is provided for industrial flue gas purification.

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.