158 results about "Dust explosion" patented technology

The invention discloses a coal storage and transportation intelligent management method and system, relates to the technical field of intelligent management systems, and aims to solve the problems of lack of environment monitoring, scheduling decision lag, extensive safety response and serious data island in the prior art. The method comprises the following steps: collecting the physical state, environmental parameters and operation behavior data of a coal storage yard in real time through a distributed sensor network; constructing a three-dimensional dynamic digital twinborn model and inputting the model into a time sequence neural network to predict the risk of spontaneous combustion, collapse or dust explosion in the future; and generating a dynamic scheduling instruction in combination with the task priority and the equipment state, and triggering a multi-level security response mechanism. The system comprises a sensor network module, a data fusion modeling module, a risk prediction module, a scheduling optimization module, and a closed-loop control and safety response module. According to the scheme, safety early warning preposition, scheduling decision intelligent optimization and resource energy efficiency collaborative improvement in the storage and transportation process are achieved, and the response capability and operation reliability of the coal supply chain are remarkably enhanced.

The invention discloses a dust explosion dynamic blocking method based on multi-modal data fusion. The method comprises the following steps: S1, constructing five core accident trees; s2, collecting multi-source data of dust explosion in real time and preprocessing the multi-source data, and extracting a multi-dimensional feature vector containing temporal and spatial variation features; s3, converting the multi-dimensional feature vector into a real-time state vector of five core accident trees through an event activation rule, and completing multi-source data fusion; s4, according to the real-time state vector, calculating a top event probability of each accident tree by using a Monte Carlo simulation method, and then obtaining an accident tree dynamic coupling risk value through multi-tree coupling analysis; s5, according to the dynamic coupling risk value, using a spatial interpolation method and voxelization processing to obtain a normalized risk value, and generating a dynamic risk thermodynamic diagram; and S6, according to the risk value of each area in the dynamic risk thermodynamic diagram, determining the risk level of dust explosion, then carrying out multi-level interlocking control, and triggering a corresponding blocking strategy to realize dynamic blocking.

A positive and negative pressure integrated dust removal device for a dust explosion area is provided with a dust hood, an exhaust fan, a negative pressure air duct, a positive pressure blowing pipe, a positive pressure comb-shaped blowing opening, a comb-shaped part arranged on the positive pressure comb-shaped blowing opening and a dust filter bag. According to the dust collection device, the exhaust fan is arranged to extract air in the first cavity, so that negative pressure is formed in the negative pressure air duct, dust is sucked, the comb-shaped part guides air in the positive pressure air blowing pipe to face airflow blown out of the positive pressure comb-shaped air blowing opening, and the air in the negative pressure air blowing pipe is blown out of the negative pressure comb-shaped air blowing opening. The dust suction hood is arranged in the second cavity, so that dust in the opening is blown by airflow and limited in the second cavity by the dust suction hood, an exhaust fan is matched to extract the airflow in the negative-pressure air suction pipe, and the dust is sucked into the dust filter bag along the negative-pressure air suction pipe, so that the suction force at the inlet end of the negative-pressure air suction pipe is improved, and the dust in the covering area of the opening is removed.

The invention belongs to the technical field of dust removal equipment for textile workshops, particularly relates to high-efficiency dust removal equipment for textile workshops, and aims to solve the problems that dust attached to a dust removal assembly cannot be thoroughly removed and effective dust removal measures are lacked due to the fact that frequent shutdown is needed for cleaning in the prior art. The equipment is provided with two sets of dust removal assemblies which can be alternately used, exchange is achieved through a switching structure, in a removing structure, a reciprocating lead screw drives a lifting plate to move, air in the lifting plate is sprayed out through a hollow pipe and an air outlet disc, and the reciprocating lead screw further drives the hollow pipe to rotate and is matched with an arc-shaped sealing plate to form pulse airflow, so that the dust removal assemblies are comprehensively cleaned; the dust reduction structure injects filtered air into the water tank for humidification and then is used for removing dust, so that the dust is rapidly reduced, and the equipment can improve the dust removal efficiency, avoid frequent shutdown of the equipment, effectively remove the dust, reduce the risk of dust explosion and guarantee the production safety of a textile workshop.

The invention relates to the technical field of flour dust falling, in particular to flour mill dust falling equipment and a using method thereof.The flour mill dust falling equipment comprises a middle shell, dust falling boxes are fixedly connected to the two sides of the middle shell, and dust collection bins used for alternately collecting dust and compressing are arranged on the surfaces of the outer sides of the dust falling boxes; the top surface of the dust falling box is provided with a dust falling nozzle for increasing the weight of sucked dust mist, the inner side surface of the middle shell is provided with a driven trigger piece for synchronizing the movement process of each component, and the outer side surface of the dust falling box is provided with a dust collection baffle for guiding airflow to enhance the adsorption range; according to the dust falling device for the flourmill, suspended dust is rapidly converted into settleable particles through a closed-loop process of double-side alternate dust collection, compression granulation and synchronous spraying weight increment in function, and the suspension condition required by dust explosion is cut off from the source; the whole process is closed, secondary diffusion is avoided, additional pump valves and electric control elements are not needed, energy consumption is low, and fault points are few.

The utility model discloses an improved gas dust explosion pipeline testing device in the technical field of gas dust explosion testing, which comprises an explosion ignition assembly and a data acquisition control assembly, the other side of the explosion ignition assembly is respectively provided with a dust spraying assembly and a product collecting assembly, and the product collecting assembly comprises a closed control valve. The side, away from the explosion ignition assembly, of the closed control valve is connected with a gas taking control valve and a vacuumizing control valve, the end, away from the closed control valve, of the gas taking control valve is sequentially connected with a dust collector and an air bag, and the end, away from the closed control valve, of the vacuumizing control valve is connected with a vacuum pump. According to the utility model, the closed control valve, the gas taking control valve, the dust collector, the air bag, the vacuumizing control valve and the vacuum pump are arranged in a matched manner, so that gas can be collected by the air bag, powder can be collected by the dust collector, the problem that explosion gas and powder are difficult to automatically collect is solved, and the content of experimental research is widened.

The invention relates to the technical field of mine lighting, in particular to an intelligent mining intrinsically safe LED lighting lamp strip and a lighting system.The lamp strip comprises an insulation assembly, a plug-in assembly and a lighting assembly, and the system comprises a production judgment module, a light attenuation judgment module, a lighting regulation and control module, a regulation and control detection module, a shadow judgment module and a shadow compensation module; the system predicts a high-dust working condition through vibration analysis and evaluates light attenuation by fusing dust concentration and coal rock absorbance; regulating and controlling the brightness and spectrum of the lamp strip according to the evaluation result; the regulation and control effect is verified through closed-loop detection; identifying a dynamic shadow area based on the equipment pose and the light field distribution; and finally, in combination with the gas concentration safety constraint, performing safety-first local compensation or brightness-first overall brightening on the shadow area. The problems that instantaneous light attenuation caused by cooperation of dust outbreak at the moment of cutting and strong light absorption of a coal wall cannot be effectively handled, and dynamic shielding shadow caused by movement of a huge machine body of mining equipment cannot be effectively handled are solved.

The utility model relates to a dust explosion protection system for a chemical workshop. The dust explosion protection system comprises a dust removal assembly and a spraying assembly, the dust removal assembly comprises a dust removal box, an air inlet pipe and an air outlet pipe are connected to the dust removal box, a filter cloth frame and a screen plate are installed on the inner wall of the dust removal box, a plurality of pieces of filter cloth are connected between the filter cloth frame and the screen plate, an exhaust fan is installed in the dust removal box, a transmission rod penetrates through the center of the exhaust fan, and a driving motor is installed on the outer side of the dust removal box; a worm is in butt joint with the driving motor, a turbine is meshed with the worm, and the turbine is in butt joint with the transmission rod; the spraying assembly comprises a piston pump, a water inlet pipe and a water outlet pipe are in butt joint with the piston pump, the piston pump comprises a pump shell, a rotary disc is installed in the pump shell, a connecting rod is hinged to the rotary disc, a piston is hinged to the connecting rod, a rotary shaft penetrates through the center of the rotary disc, a first gear is in butt joint with the rotary shaft, a second gear is meshed with the first gear, and the second gear is in butt joint with a worm. And the driving motor can drive the piston pump to operate while driving the draft fan to operate.

The present application relates to the technical field of high-moisture organic solid waste drying, and particularly relates to a drying method of high-moisture organic solid waste. The technical scheme can provide carbon source for target bacteria, support water diffusion channels between solid waste blocks formed by high-moisture organic solid waste, diffuse non-bound water surrounded by multiple solid waste blocks from the water diffusion channels, degrade organic matters in the high-moisture organic solid waste, increase porosity and specific surface area of the high-moisture organic solid waste, and keep the temperature of the sunlight shed and the temperature of the target mixture in the drying process below 50 DEG C, which can ensure good living conditions of the target bacteria and reduce the risk of dust explosion caused by the increase of dust concentration in the late drying period due to the introduction of target organic matter. The target mixture receives sunlight radiation, continuously turns over and is driven by a fan, so as to realize drying of the high-moisture organic solid waste.

The utility model discloses a dust explosion-proof device, which relates to the technical field of explosion-proof devices, and comprises pipelines and a device body arranged between the pipelines, and the device body comprises a front explosion-proof piece and a rear explosion-proof piece; the front anti-explosion piece comprises a sealing cover, a first-stage transmission rod, a second-stage transmission rod, a third-stage transmission rod, a fixing rod and a driving rod, the sealing cover is vertically and movably arranged in the front anti-explosion piece, the first-stage transmission rod, the second-stage transmission rod, the third-stage transmission rod and the driving rod are sequentially hinged, and the other end of the driving rod is hinged to the front anti-explosion piece; the fixing rod penetrates through the transmission rod and is arranged in the front anti-explosion piece, and the secondary transmission rod is vertically arranged in the device body in a sliding mode. According to the dust explosion-proof device provided by the utility model, the front explosion-proof piece comprising the sealing cover, the first-stage transmission rod, the second-stage transmission rod, the third-stage transmission rod, the fixed rod and the driving rod is arranged, so that the size of the first-stage inlet is adjusted, and the content of dust entering the device body and the airflow speed are adjusted.

The invention discloses a graded inerting device and method based on dynamic risk discriminating.The device comprises a continuous inerting system, a dust removal system and an efficient inerting system, the dust removal system comprises a dust removal main pipeline and a dust remover which are connected, the continuous inerting system comprises an inerting dust bin and feeding equipment, and the feeding equipment is connected with the dust removal main pipeline; the efficient inerting system comprises an efficient inerting powder tank; and the efficient inerting powder tank is connected with a dust remover. According to the method, the continuous inerting system and the efficient inerting system are used in a combined mode, the explosion risk of the main dust removal pipeline can be reduced through the continuous inerting system under the condition that the dust remover does not break down, and meanwhile the combustible dust explosion risk caused by the fault of the dust remover can be effectively controlled; the efficient inerting system is only triggered under the abnormal condition that the dust concentration of the dust remover is abnormally increased or explosion is generated, so that the energy consumption of fixed threshold inerting and the consumption of an inerting medium are effectively reduced, and more efficient inerting is realized.

This application discloses a dust recovery device for a grinder. The grinder includes a housing, within which a working chamber is formed, and a dust collection port connecting the working chamber to the outside is provided. The dust recovery device includes a collection tray and a flushing system. The collection tray includes a dust settling section and a discharge section. The dust settling section is located on the bottom surface of the working chamber and forms a dust settling trough. The discharge section is connected to the dust settling section and extends outside the housing through the dust collection port. The discharge section forms a discharge trough communicating with the dust settling trough. The flushing system is configured to flush the dust in the dust settling trough out of the housing through the discharge trough. The dust recovery device provided by this application prevents dust from being stirred up by vibration or other reasons by flushing the dust in the dust settling trough out of the housing through the discharge trough, thereby avoiding the formation of dust clouds, which helps to prevent dust explosions and improves equipment safety.

The present application relates to the technical fields of dust explosion prevention, and discloses a visual adjustable flameless explosion relief experimental device, which comprises an explosion reaction container, an explosion relief assembly, a safety assembly and a controller; the explosion reaction container is electrically connected with the controller; the safety assembly is a rectangular box body, one side plate of which is provided with an inlet, and the bottom plate is provided with an outlet; the explosion relief assembly is a rectangular box body with a right opening, the left side plate of which is provided with an air inlet, and the right opening is provided with a flange; the air inlet is sealingly connected with the explosion relief port of the explosion reaction container, and the inlet is connected with the upper half of the flange; the explosion relief assembly is provided with a transparent observation window, and the inside of the explosion relief assembly is detachably provided with an adjustable fire-retardant structure. The present application can observe and record the quenching process of the explosion relief flame, facilitate the evaluation of the fire-retardant performance of the fire-retardant material, inhibit the propagation of the dust explosion relief flame, avoid the occurrence of secondary explosion accidents in the surrounding environment, improve the safety of the explosion relief experiment, and has a simple structure and an adjustable fire-retardant structure position.

The invention relates to the technical field of waste recovery, and discloses a waste recovery device for electrolytic aluminum production, which comprises a recovery crusher, a liquid curtain covering mechanism is arranged at a feed port of the recovery crusher, and the liquid curtain covering mechanism is configured to spray an alkaline diluent to the feed port, so that the crushed waste is in a slurry state; the dehydration mechanism is used in combination with the recycling crusher, the feeding end of the dehydration mechanism is connected with the discharging end of the recycling crusher, and the dehydration mechanism is used for carrying out solid-liquid separation treatment on the slurry-shaped waste; the liquid curtain covering mechanism is arranged at the feeding port of the recycling pulverizer, alkaline diluent is sprayed, dust flying in the pulverizing process is effectively restrained, the risk of dust explosion is reduced, the working environment is improved, meanwhile, waste is directly in a slurry shape after being pulverized, and follow-up treatment is facilitated.

This utility model discloses a sealing structure for a high-pressure dust explosion-proof motor, relating to the field of sealing structure technology. It includes: a base, on the upper surface of which a mounting seat and a sealing cover are respectively provided, and the explosion-proof motor body is fixedly mounted on the upper surface of the mounting seat; and a locking assembly for fixing the mounting seat and the sealing cover to the upper surface of the base. The locking assembly includes two symmetrically fixed insert plates on the lower surface of the mounting seat. The upper surface of the base is respectively provided with annular insert grooves adapted to the bottom end of the sealing cover, and two rectangular insert grooves corresponding to the two insert plates. The high-pressure dust explosion-proof motor sealing structure disclosed in this utility model, by setting the sealing cover and the locking assembly, enables the sealing structure to effectively fix the mounting seat and the sealing cover during actual installation, thereby allowing the explosion-proof motor body to be completely sealed from the indoor environment under the action of the sealing cover, achieving the purpose of effectively sealing the explosion-proof motor body.

The invention discloses a robot anti-explosion joint module, and relates to the field of specialized robots. According to the explosion-proof joint module, the problems that the explosion-proof design is complex, the reliability is low and the maintenance is difficult due to the fact that an existing explosion-proof joint module adopts a rotary hollow shaft to achieve internal wiring and needs to depend on a complex and high-cost dynamic sealing structure are solved. The device comprises a shell assembly, a driver assembly, a motor assembly, a speed reducing mechanism, a hollow output flange, a fixed center shaft and a cable gland, the shell assembly is composed of a driver shell, a motor shell and a cover plate which are coaxial, and the interior of the motor shell is divided into two cavities for containing corresponding parts respectively; the fixed center shaft coaxially penetrates through the module and forms a static wiring channel, and a cable is led in through the cable gland and then led out through the channel and does not make contact with a rotating component in the whole process. According to the invention, the static wiring channel is arranged in the fixed central shaft and is matched with double-copper-sleeve rotary sealing and gland static sealing to form double isolation, so that the problems of dust explosion and dynamic sealing failure of traditional external wiring are solved.

The invention discloses an intrinsically safe operation method for dismounting a rotating polar plate of an electric dust remover, and belongs to the technical field of safe operation. According to the method, through full-process systematic reconstruction of quantitative risk pre-diagnosis, logic hard isolation authorization and data-guided bearing hoisting, traditional high-risk operation depending on personal experience is converted into a data-driven and logic-forced standardized process, core risks such as electric shock, dust explosion and mechanical overturning are eliminated from the source, and the safety of operation is improved. Intrinsic safety, process intelligence and management traceability of the electric dust remover rotating pole plate dismantling operation are achieved.

1. Name of the product in this design: Dust Explosion-proof Control Box (NBBXK53). 2. Purpose of this design: for power distribution control. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of cork particle recycling, and discloses cork waste recycling equipment which comprises a treatment barrel and further comprises a top cover mounted at the top of the treatment barrel; the discharging groove is connected to the outer wall of the treatment barrel through a discharging pipe and used for discharging cork waste into the treatment barrel; the mixing mechanism is arranged in the treatment barrel and used for scattering cork waste; and the ventilation mechanism is arranged above the treatment barrel and is used for outward ventilation of the interior of the treatment barrel. Through the synergistic effect of a rotating shaft, a connecting sleeve and a shifting rod in the mixing mechanism, the cork waste can be efficiently crushed, the shifting rod continuously shifts the cork waste in the rotating process, the particle size of the cork waste is homogenized, the treatment efficiency and quality of the cork waste are improved, inert gas is intermittently sprayed out through an air channel and a one-way valve in the shifting rod, and the particle size of the cork waste is uniform. And dust explosion can be inhibited, crushing of the cork waste can be further promoted through gas impact, and the crushing effect is improved.

The utility model discloses a raw coal crushing device, including;Box body;The mounting bracket of symmetrical setting in the box body;The breaker board of linear array in the side wall of mounting bracket, is provided with the cavity in the breaker board, the spray head of linear array in the top of breaker board. The raw coal crushing device provided by the utility model, through the drive sliding frame drive fixed plate reciprocating movement, make fixed plate and two adjacent breaker board between each other cooperate and carry out the crushing of raw coal, make fixed plate and breaker board can break raw coal into powder, in the process that breaker board carries out the crushing of raw coal, through the spray head of breaker board top installation and spray out the water mist to the raw coal crushing area and cover, make the dust of raw coal crushing process can be fast dust fall, not only avoid the dust floating to the air and cause environmental pollution and human body damage, also reduce the waste of water resources in the dust fall process, avoid the danger of dust explosion simultaneously.

The utility model discloses a linkage dust removal device for preventing dust explosion. The linkage dust removal device comprises a rack, a dust collection assembly, a shelling assembly and an explosion-proof dust removal assembly. According to the utility model, the dust collection fan can be used for blowing air into the dust removal box body to form positive pressure, meanwhile, the air draft assembly continuously exhausts air from the dust removal box body to form negative pressure, and positive and negative pressure linked turbulent flow is formed in the dust removal box body, so that dust-containing air can stably flow and is prevented from being adhered to a filter bag again, and the replacement frequency of the filter bag is reduced; light impurities such as rice hulls in grains can be rapidly separated through the dust collection assembly and the hulling assembly, dust gas purification is achieved through the dust removal assembly, and meanwhile the impurity separation and dust removal functions are achieved. The explosion disc is arranged on the dust removal box body, explosion can be carried out at the specified temperature and pressure, the pressure in the box body can be rapidly released, the dust removal box body is protected against damage, and the explosion-proof dust removal box has the advantages of being simple in structure, free of leakage, high in release capacity and the like.

The invention relates to the field of control equipment, in particular to an explosion-proof control box special for intelligently displaying dust and a testing device thereof, the explosion-proof control box comprises a control box main body, the rear side of the control box main body is fixedly connected with two groups of heat dissipation components, each group of heat dissipation components is composed of a plurality of heat dissipation fins arranged from top to bottom, and the two groups of heat dissipation components are symmetrically arranged; an air inlet pipe is installed on one side of the control box body, a U-shaped protection plate used for protecting cooling fins is fixedly connected to the rear side of the control box body, two guide rods are arranged on the U-shaped protection plate in a front-back penetrating mode, and a sealing baffle is jointly and fixedly connected to the front sides of the guide rods. When in use, the dustproof heat dissipation effect of the device in a dust environment is ensured through passive heat dissipation and a one-way airflow heat dissipation mode of internal high pressure and external high pressure, in addition, the testing device can simulate multi-directional dustproof detection operation in two heat dissipation modes, and the actual use requirement is better met.

The utility model discloses dust removal equipment for preventing dust explosion and relates to the technical field of dust removal devices. The problems that filter screen holes of an existing dust treatment device are blocked, the amount of gas passing through a filter bag is gradually reduced, and the existing dust treatment device needs to be disassembled and cleaned frequently are solved. The dust removal device comprises an anti-explosion barrel and an air supply mechanism, the anti-explosion barrel is provided with a dust removal cavity with the two sides penetrating through, an air inlet is formed in one side of the dust removal cavity, an air outlet is formed in the other side of the dust removal cavity, the air supply mechanism is used for enabling air to enter from the air inlet, and after the air enters from the air inlet, the air is discharged from the air outlet. When the combustible dust is filtered, the combustible dust is firstly in contact with a water curtain formed by clean water in the wet curtain, combustible dust contained in the gas is adsorbed by the clean water, the clean water flows into the water storage tank to be collected, then the combustible dust is filtered again through the first filter screen, and at the moment, the content of the combustible dust is greatly reduced; the accumulation speed of combustible dust on the first filter screen is slower, so that the cleaning frequency is reduced, and the use is more convenient.

The invention discloses a wet dust removal device and method for magnesium alloy grinding, and belongs to the technical field of alloy grinding. The wet dust removal device comprises a base, a box body arranged above the base and provided with an opening in one side, a dust collection box communicated with one side of the box body, a fan communicated with the top of the dust collection box, a water inlet pipe communicated with the top of the box body and a water pump connected to the water inlet pipe. Through the intersection design of the first water curtain and the second water curtain, double dust removal barriers are formed, multi-stage purification of magnesium powder is achieved in cooperation with sedimentation and collection of the dust collection box, the dust removal effect is greatly improved, the dust concentration of a workshop is effectively reduced, the safety performance is excellent, a wet dust removal mode is adopted, the magnesium powder makes full contact with water, and the dust removal effect is good. The dust is prevented from floating to form combustible dust cloud, the potential safety hazard of dust explosion is eradicated fundamentally, and meanwhile the risk that the dust is inhaled by operators is reduced.

The invention discloses an air purification mechanism for non-woven fabric glue spraying processing, relates to the field of air purification, and provides the following scheme aiming at the problems that a filter screen is blocked and dust explosion risk is easily caused by static accumulation due to the fact that electrified glue mist particles adsorb the filter screen in the background technology: the air purification mechanism comprises a shell arranged on an air outlet of a glue sprayer; vent holes are formed in the outer wall of the bottom plate, the mounting shell is of an inverted-U-shaped structure, the front end cover is connected to the outer wall of the top of the bottom plate through bolts, the limiting frame is connected to the outer wall of the top of the bottom plate through bolts, air outlet holes distributed at equal intervals are formed in the outer wall of the rear end cover, and an air supply mechanism is arranged above the bottom plate; the air supply mechanism comprises a servo motor connected to the outer wall of one side of the front end cover through a bolt. Static electricity on the intercepting filter screen can be periodically neutralized and cleaned, the filter screen is prevented from being blocked, air in the mounting shell can be humidified, and the situation that static electricity is generated due to the fact that the air in the mounting shell is relatively dry is avoided.

The invention discloses a safety early warning system for preventing gas dust explosion, which belongs to the technical field of safety early warning and comprises a central control unit, an intelligent alarm unit, an environmental parameter monitoring unit and an ignition source monitoring unit. The central control unit comprises a visualization module and a data storage module; the environmental parameter monitoring unit comprises a dust concentration monitoring module, a combustible gas concentration monitoring module, an environmental temperature and humidity monitoring module and a gas flow and pressure monitoring module; according to the method, the preset scheme is provided when the exception occurs, the corresponding emergency processing measures are executed after the exception information is intelligently recognized, the deep learning model is constructed to provide the preset processing scheme and the emergency processing measures which are updated in real time, and various parameters in the environment can be monitored in real time by combining big data and artificial intelligence technologies; and possible dangerous conditions are predicted through an algorithm, and early warning signals are sent to related personnel in time, so that the prevention measure not only improves the safety of industrial production, but also effectively reduces the occurrence probability of accidents.

The invention relates to the technical field of industrial production safety, in particular to a hydraulic equipment production safety protection system which comprises a dust monitoring module, an explosion risk prediction module, an environment adjusting module, an execution module and an alarm module. Wherein the dust monitoring module is used for collecting metal dust concentration and component data in an operation area of hydraulic equipment; the explosion risk prediction module is used for predicting the explosion risk of dust and calculating a potential explosion risk level; the environment adjusting module is used for automatically adjusting environment conditions in the production area; the execution module is used for automatically adjusting the operation state of production equipment or starting emergency safety measures; and the alarm module is used for sending real-time alarm information to operators and safety management personnel. According to the invention, through comprehensive measures of real-time monitoring, risk prediction, automatic environment adjustment, instant alarm and the like, the safety and reliability of the industrial production environment are significantly improved, and the occurrence of dust explosion accidents is effectively prevented.

The utility model relates to the technical field of dust explosion prevention of industrial power supplies, in particular to a dust explosion-proof power supply, which structurally comprises a box body, a connecting assembly and a cooling assembly. At least one power supply assembly is hermetically arranged in the box body; the connecting assembly is suitable for electrically connecting the power supply assembly with an external circuit; the cooling assembly is partially arranged in the box body, is in contact with the power supply assembly and is suitable for cooling the power supply assembly; by adopting the mode that the cooling assembly is in contact with the power supply assembly, the power supply assembly arranged in the box body can be actively cooled and dissipated, passive heat dissipation is not carried out purely depending on heat exchange between the surface of the power supply assembly and air, and the heat dissipation efficiency of the power supply assembly is improved; meanwhile, due to the structural design of the sealed box body, the probability that flammable dust enters the box body is reduced, explosion caused by contact between electric sparks generated by the power supply assembly and the flammable dust is avoided, and the use safety of the power supply is improved.

The invention discloses a powder silo-oriented multi-source environment intelligent sensing remote monitoring system and method, and relates to the technical field of intelligent sensing systems. The method comprises the steps of acquiring a comprehensive data set; performing inversion calculation on the infrared scattering intensity matrix based on a predetermined physical scattering model to obtain particle size distribution and effective refractive index of dust particles in the silo under the current humidity condition; based on the particle size distribution and the effective refractive index of the dust particles in the silo under the current humidity condition, the dust dry mass concentration after humidity compensation is obtained through calculation; based on the dust dry mass concentration after humidity compensation and a preset dust explosion lower limit, whether a risk control plan is started or not is judged; based on the trained dust concentration correction model, correcting the dust dry mass concentration after humidity compensation to obtain the corrected dust dry mass concentration; interference of moisture on dust concentration measurement can be eliminated, and the real dust dry mass concentration can be obtained.

The invention relates to a wheat conveyor for flour processing, and relates to the technical field of wheat conveying, the wheat conveyor comprises a base plate, a storage dust removal mechanism is arranged on the right side of the upper surface of the base plate, and a conveying dust removal mechanism is arranged on the left side of the upper surface of the base plate; wherein the storage dust removal mechanism comprises a dust removal assembly and a storage assembly, and the dust removal assembly is used for removing small dust in the storage assembly. According to the wheat conveyor for flour processing, through operation of the motor, blades can be driven to rotate, wheat is further made to rotate, dust on the upper side of the wheat is raised, circulation is conducted through air flow of the draught fan, a water curtain is formed through a water curtain guide plate and a water curtain spray head, and the dust carried by the air flow is in contact with the water curtain and then settles in water; the dust raising phenomenon is effectively avoided, the dust concentration in a workshop is remarkably reduced, the working environment is improved, the harm of dust to staff health is reduced, meanwhile, the dust explosion risk is reduced, and the production safety is improved.