600 results about "Electrostatic precipitator" patented technology

The invention discloses a back corona rapping electric dust remover fault early warning method based on all-condition monitoring, and relates to the technical field of fault early warning, and the method comprises the steps: obtaining a rapping signal, and extracting back corona features based on wavelet transform and spectral analysis; constructing a dynamic coupling model of rapping strength-dust layer thickness, and combining back corona characteristics to obtain working condition characteristic vectors; obtaining a working condition data set, and obtaining a health degree scoring sequence under each time window in combination with the working condition feature vectors; decomposing the health degree scoring sequence into a plurality of intrinsic mode components, identifying abnormal fluctuation features based on a Markov chain, and performing risk level judgment; through all-condition monitoring and multi-modal data fusion, a back corona feature extraction, dust layer thickness prediction and health degree scoring model is constructed, dynamic identification and risk early warning of the operation state of the electric dust remover are achieved, and the problems that a traditional method is single in monitoring dimension and lags in response are solved.

The embodiment of the invention provides an electrostatic precipitator polar plate system ash removal device and a control method thereof, and belongs to the technical field of electrostatic precipitation. The device comprises: a main frame for mounting each working module; the ash removal module comprises a polar plate rolling brush device and a polar line straight brush device; wherein the polar plate rolling brush device is mounted at the front end of the main frame and used for cleaning the surface of an anode plate in an electric precipitator polar plate system; the polar line straight brushing device is installed at the rear end of the upper surface of the main frame and used for cleaning the cathode line surface in the electric precipitator polar plate system. The adsorption walking modules are mounted at four corners of the main frame and are used for adsorbing the device on the surface of the anode plate through magnetic attraction force and driving the device to move; and the thickness measuring device is mounted at the tail end of the main frame and used for detecting the thickness of residual dust on the surface of the anode plate to judge whether reinforced cleaning is needed. According to the scheme, automatic dust removal of the electric dust remover polar plate system is achieved, the manual intervention frequency is effectively reduced, and the dust removal effect and operation safety are improved.

The utility model relates to a tail gas self-circulation white feather eliminating device, which solves the problems of poor white feather eliminating effect and high cost of the existing industrial tail gas. Comprising a quench tower, an absorption tower, a gas-gas heat exchanger, an electric precipitator and a tail gas suction fan, during use, dry high-temperature tail gas enters a heat exchange pipe in the gas-gas heat exchanger for indirect heat exchange, and the tail gas subjected to heat exchange enters the quench tower and is in countercurrent contact with quench water from the quench tower; the washed and condensed tail gas is discharged to the lower part of the absorption tower from the top of the quench tower under the action of the circulating fan, and the dried tail gas enters the electrostatic dust collector to be purified after being absorbed and filtered by the absorption filtering device from the absorption circulating pump, and then enters the shell of the gas-gas heat exchanger to be subjected to indirect heat exchange; the purified tail gas is heated by the unpurified tail gas and then is discharged into the environment, namely the tail gas is heated to an unsaturated state by the heat of the tail gas, so that the aim of eliminating white feather of the tail gas is fulfilled, and the production cost is low.

The present invention discloses a mechanical-pneumatic double-vibration electrostatic precipitator, comprising a cathode system, an anode system, a high-voltage power supply, a shell, a mechanical vibrating device and a pneumatic vibrating device. The cathode system and the anode system are respectively distributed in the shell. When the high-voltage power supply is energized, on the one hand, the cathode system and the anode system can cooperate to form an electric field, and on the other hand, the cathode system can be used to ionize the air. The cathode system and the anode system can be mechanically vibrated and cleaned by a mechanical vibrating device arranged on one side. The pneumatic vibrating device can pneumatically vibrate and clean the cathode system and the anode system on the side facing away from the mechanical vibrating device. The dust removal effect is good, the space occupancy is low, and the service life is long.

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

The application relates to the technical field of dust collectors, and particularly discloses a comprehensive and efficient cleaning electrostatic dust collector which comprises a dust removal box body and a dust collecting hopper which are arranged in communication with each other, a plurality of anode plates are arranged in the dust removal box body, an electrode rod is arranged between two adjacent anode plates, an anode plate cleaning mechanism which moves up and down is arranged in the dust removal box body, the anode plate cleaning mechanism comprises a lifting frame and a lifting driving assembly, a hollow strip plate which is located directly below the gap between the two adjacent anode plates is arranged in the lifting frame, a row of impact strips are arranged in the hollow strip plate, a turntable protection shell which is used for extending into the other end of the anode plate is arranged on the hollow strip plate, a turntable is arranged in the turntable protection shell, and a guide groove which is used for being matched with the end guiding column of the impact strip is arranged on the turntable. The electrostatic dust collector disclosed by the application can cover the whole anode plate through the impact and vibration, the dust attached to the surface of the whole anode plate can be shaken off, and the dust removal effect of the electrostatic dust collector during long-term use is effectively ensured.

The utility model discloses vacuum bottle electrostatic dust collection equipment which comprises a double-channel conveying device, an upper electrostatic dust collector, a lower electrostatic dust collector, an upper blowing mechanism and a lower blowing mechanism, the double-channel conveying device comprises a rack and two conveying mechanisms, and the two conveying mechanisms are symmetrically arranged on the rack front and back; each conveying mechanism comprises a feeding mesh belt, a material arranging screw rod, a feeding rotary table, a transmission clamping jaw chain group, a discharging rotary table and a discharging bin which are sequentially arranged in the conveying direction; the upper electrostatic dust collector and the upper blowing mechanism are sequentially arranged above the conveying clamping jaw chain sets of the two conveying mechanisms in the conveying direction. The lower electrostatic dust collector and the lower blowing mechanism are sequentially arranged below the conveying clamping jaw chain sets of the two conveying mechanisms in the conveying direction. According to the electrostatic dust collection equipment for the vacuum bottle, an electrostatic dust collection procedure and a clean compressed air cleaning procedure are integrated, and compared with a single dust collection procedure of a traditional filling machine, the dust collection effect is more obvious, so that the product quality is guaranteed.

The invention discloses an electrostatic dust collector high-voltage power supply dynamic adjustment method based on fuzzy control, and the method comprises the steps: extracting the impedance change and dust concentration based on real-time operation parameters, judging the tripping risk through fuzzy reasoning, and adjusting the output voltage. And in combination with dust distribution characteristics, pulse parameters are optimized through a fuzzy control algorithm, and waveforms matched with particle motion are generated. Environment parameters are collected to construct a working condition model, and a control mode is switched after scene recognition. And predicting a load change trend, and calculating a millisecond-level response strategy. And fusing the dust removal efficiency and the energy consumption target, dynamically distributing weights, calculating a comprehensive control strategy, verifying a balance state, iteratively adjusting a weight coefficient, and realizing dynamic adjustment of the high-voltage power supply. According to the invention, the stability, the dust removal efficiency and the energy consumption balance of the high-voltage power supply are remarkably improved, and intelligent control of multi-objective optimization is realized.

The invention belongs to the technical field of converter gas treatment, and relates to a converter high-temperature vaporization flue boiler outlet gas treatment device, which comprises a first conveying pipeline, a second conveying pipeline, a cyclone dust collector and a tempering dust collector, an inlet of the first conveying pipeline is used for being connected with a coal gas outlet of a converter vaporization flue boiler, an outlet of the first conveying pipeline is connected with an inlet of the cyclone dust collector, an inlet of the second conveying pipeline is connected with an outlet of the cyclone dust collector, and an outlet of the second conveying pipeline is connected with an inlet of the tempering dust collector. An outlet of the tempering dust remover is connected with an electrostatic dust remover; the first conveying pipeline is provided with fire extinguishing equipment used for extinguishing sparks in the pipe section, and the second conveying pipeline is provided with at least one fire pipe evaporator arranged in the flowing direction of coal gas. The problem that the fire tube is blocked due to zinc liquid drops, high-temperature molten ash and the like condensed by zinc steam in the coal gas heat and mass recovery process through the fire tube evaporator is solved.

The utility model provides a wet-type electrostatic dust collector connected through bolts, and relates to the field of wet-type electrostatic dust collectors. The wet-type electrostatic dust collector connected through the bolts comprises an inner chamber structure, the inner chamber structure comprises an upper air chamber, a dust collection chamber, a lower air chamber and an air inlet chamber which are sequentially communicated, the interior of the dust collection chamber is of a vertical honeycomb tubular structure, the honeycomb structure in the dust collection chamber is an anode, a cathode beam frame is installed in the upper air chamber, and a cathode wire is installed on the cathode beam frame; according to the bolted connection wet-type electrostatic dust collector, the external frame is in bolted connection, the whole wet-type electrostatic dust collector is manufactured in a field, only bolts need to be connected in the field, equipment installation is flexible, the requirement for the field during construction is greatly lowered, the construction progress is accelerated, and through the arrangement of the spraying device, sprayed water flushes the cathode wires and the honeycomb-shaped anodes and is matched with rotating work, the dust collection efficiency is improved. Therefore, the purpose of enlarging the water spraying range is achieved, the purpose of evenly spraying water is achieved, and finally the valve is opened to discharge water.

The invention discloses an automatic control system for an electric precipitation high-frequency power supply, belongs to the field of electric precipitation control, and aims to solve the problem that an existing control system is not timely enough to adjust. Through the data acquisition module, the mathematical modeling module, the control adjustment module, the communication interface module and the man-machine interaction module, unit operation parameters can be accurately obtained in real time, a mathematical relationship with a high-frequency power supply is established, then dynamic adjustment of the high-frequency power supply is achieved, output is controlled under the condition that the electric precipitation operation efficiency is optimal, and the electric precipitation efficiency is improved. The output current of the electric precipitation high-frequency power supply is automatically given, the labor force of manual control is reduced, the electric precipitation efficiency is maintained to be optimal in real time, the electric energy waste of the high-frequency power supply is reduced, and a visual operation interface is provided to facilitate the work of workers.

The embodiment of the invention provides an electric precipitator polar line surface defect identification method and system, and belongs to the technical field of electric precipitation. The method comprises the following steps: acquiring an original digital color image of the polar line in a corona discharge state; generating a grayscale image based on the original digital color image, and constructing a binary image for representing a brightness area according to a preset threshold; performing median filtering and mean filtering in sequence based on the binary image to construct a de-noised binary image, and performing Canny edge detection on the de-noised binary image to generate a halo edge image of a burr tip point; and based on the halo edge image, corona discharge positions and brightness information of two sharp points of each barb are extracted, and a polar line surface defect identification result is output according to a preset normal distribution mode. According to the scheme, the corona discharge characteristics can be stably extracted in complex imaging environments such as high dust and weak light, so that the polar line surface defects can be reliably identified.

The utility model discloses a medical PVC (polyvinyl chloride) granule collecting device which comprises a collecting box, a feeding pipe connected with the tail of a granulator is arranged at the top of the collecting box, a damping structural plate is mounted in the collecting box below the feeding pipe, a blanking barrel is arranged at the bottom of the damping structural plate, at least two oppositely mounted bent side plates are arranged in the blanking barrel, and the bent side plates are connected with the damping structural plate. Meshes penetrating through the side plate and the blanking barrel are formed in the side plate, a filter screen is mounted on the outer side of the blanking barrel in the position corresponding to the meshes, an exhaust fan is mounted on the blanking barrel on the outer side of the filter screen, a discharge port is formed in the bottom of the blanking barrel, an electrostatic dust collector is mounted at the discharge port, and a water mist generator is arranged between the blanking barrel and the collecting box. Granules are guided through the side plate in the blanking barrel and orderly fall on the guide plate to move to the discharge port to be bagged, dust generated after the granules collide with the bent section of the side plate penetrates through the meshes through the exhaust fan and is attached to the surface of the filter screen, and the dust generated in the granule collecting process is treated in cooperation with the electrostatic dust collector at the discharge port. And the harm to the body health of operators is reduced.

The train type dust falling device comprises a front section train and a rear section train which are arranged on a track of a return airway and connected in series, a horizontal cyclone water film dust remover and an electrostatic dust remover are sequentially arranged on the front section train from front to back, and an air inlet in the front end of the horizontal cyclone water film dust remover is connected with a dust collection pipeline system. A floating dust suction hood, a transfer point dust suction hood and a plurality of working face dust suction hoods are arranged on the dust suction pipeline system, and an electrostatic generator and a counter-rotating axial flow fan are arranged on the rear section of train side by side in the left-right direction. The device can move along with the movement of the coal face, keeps a good dust collection state, and greatly improves the dust collection effect and greatly improves the air environment of the coal face of an underground coal mine in a wet dust collection and electrostatic dust collection combined mode on the premise of ensuring gas safety.

The invention discloses an electrostatic dust collection cleaning workbench for a ceramic substrate, and relates to the technical field of electrostatic dust collection, the electrostatic dust collection cleaning workbench comprises a manipulator and a box body, the manipulator is arranged on the outer side of the box body, a workbench is arranged in the box body, an output mechanism is arranged at the top of the box body, and an air curtain mechanism is arranged at the bottom of the box body; an air pump is arranged on the side of the box body and communicated with the output mechanism and the air curtain mechanism through pipelines. The ceramic substrate is placed on the workbench, the air pump extracts nitrogen from the nitrogen tank, the nitrogen is conveyed into the output mechanism and the air curtain mechanism through the air pump, the output mechanism sprays the nitrogen, the sprayed nitrogen conducts electrostatic dust removal on the ceramic substrate on the workbench, the air curtain mechanism sprays the nitrogen, and the sprayed nitrogen is dense to form an air curtain barrier. The air curtain barrier and the output mechanism are combined to form a relatively closed space, so that interference of external dust is avoided, and the electrostatic dust collection effect of the ceramic substrate is improved.

The invention relates to the technical field of coating materials, in particular to a conductive lubricating coating material for an anode plate of an electric precipitator and a preparation method thereof.The surface of the anode plate of the electric precipitator is coated with the conductive lubricating coating material, and the conductive lubricating coating material comprises, by mass, 100 parts of raw materials, the coating comprises the following components in parts by mass: 10-30 parts of sodium water glass, 1-5 parts of styrene-acrylic emulsion, 15-40 parts of a graphite material, 3-5 parts of flaky nickel modified copper powder, 0.5-2 parts of a rust conversion agent, 1-2 parts of a silane coupling agent, 1-2 parts of an auxiliary agent and 14-68.5 parts of water. The mass ratio of the sodium water glass to the styrene-acrylic emulsion is (6-10): 1, and the modulus of the sodium water glass is 2.6-3.0; according to the conductive lubricating coating material for the anode plate of the electric dust remover, crystalline flake graphite and microcrystalline graphite are adopted as graphite materials, so that the conductive uniformity and lubricity of a coating are improved conveniently; the flaky nickel modified copper powder is added into the graphite material, so that coal ash particles are prevented from generating corona due to high-voltage static electricity and are attached and accumulated on the surface of an anode plate, and the dust removal efficiency of the electric dust remover is improved.

The invention discloses an application of a coal economizer for pneumatically conveying ash to an electric precipitation inlet flue in a coal-fired power generator set, and relates to the technical field of power generation. The coal-fired power generator set comprises a smoke collecting box, a smoke passing opening is formed in one side of the smoke collecting box, and one side of the smoke passing opening communicates with a branch bin; a first flow guide plate and a second flow guide plate are installed on the two sides of the interior of the branch bin respectively, the first flow guide plate and the second flow guide plate are the same in structure, and the inclination angle of the second flow guide plate is larger than that of the first flow guide plate; the first flue, the second flue and the third flue are communicated with one side of the branch bin respectively, the first flue and the second flue are located on the two sides of the first guide plate, the second flue and the third flue are located on the two sides of the second guide plate, the first flue is provided with three sections of pipelines, and the third flue is provided with three sections of pipelines. The second flue is provided with two sections of pipelines, and the third flue is provided with two sections of pipelines.

The utility model relates to textile setting machine tail gas treatment technical field, and disclose a kind of tail gas treatment equipment of textile setting machine, including filter box, the inside of the filter box is equipped with two chute, the inside sliding connection of chute has first filter mechanism.The tail gas treatment equipment of textile setting machine, by the setting of first filter mechanism and second filter mechanism, when carrying out pretreatment to tail gas, tail gas first enters filter box interior and carries out first filtration, by filter screen and activated carbon layer in filter box, impurity in tail gas is filtered and adsorbed, then part of small impurities will be transported to the processing box of side by pipeline, the high voltage power supply of both sides on the surface of processing box is started, high voltage power supply makes the electrostatic precipitator plate of side produce electric field, and the small impurities of surrounding electrification are adsorbed on its surface, to realize the effect of depth treatment to tail gas, improve the quality of tail gas treatment, avoid impurity to cause blockage and damage to subsequent processing equipment.

The invention relates to the technical field of electric precipitation, in particular to overload monitoring equipment and a monitoring method for electric precipitation equipment, and the method comprises the following steps: acquiring target production data; determining a target dust discharge amount according to the target production data; and determining the target current magnitude according to the target dust discharge amount. The method has the advantages that the neural network is used for conducting deep learning on online collected production data, a corresponding relation model between the dust amount and the power plant production data is established, the smoke dust emission amount is predicted based on the model, the average secondary current amount of the electric field is adjusted in real time on the basis, and the purposes of reducing consumption and reducing power consumption are achieved. According to the invention, the control aims of improving the reliability of the IGBT and prolonging the service life of the IGBT are fulfilled, the spark discharge phenomenon can be reduced or avoided as much as possible, equipment such as the IGBT and a trigger circuit board can be better protected, and unnecessary electric energy consumption can be effectively reduced at the same time.

The invention discloses a cascade control method for a smoke concentration emission value of a coal-fired unit. The method comprises the following steps: establishing a dust removal dynamic characteristic model of a dry electric dust remover and a wet desulfurization tower based on a step test; a cascade control framework is constructed, an inner loop controller directly controls the dry-type electric precipitator, and an outer loop controller generates an inner loop set value according to the deviation between system output and the set value; an inner loop controller and an outer loop controller are set at the same time through a compensation method, on the basis of considering dynamic coupling of the inner loop and the outer loop, parameters of the outer loop controller are designed, the dynamic characteristics of an equivalent controlled object are improved, and then parameters of the inner loop controller are designed according to the dynamic characteristics of the equivalent controlled object; the controller is developed, and the control method is applied in the actual industrial process. According to the method, on the basis that the auxiliary dust removal capacity of the desulfurization tower is fully utilized, dynamic dust removal control over the dry-type electric dust remover is achieved.

The invention discloses an electric field parameter coordination control method and system of an electrostatic dust collector, and belongs to the technical field of electrostatic dust collection. The problems that an existing coordination control method depends on artificial experience, electric field parameters are inflexible to adjust, energy consumption is high, and dust removal efficiency is unstable are solved, historical electric field parameters and smoke turbidity are predicted and analyzed through the deep neural network, a prediction result is optimized in combination with a particle swarm optimization algorithm, and the method has the advantages of being high in practicability and the like. The electric field parameter ratio with the lowest energy consumption can be found on the premise that the dust removal efficiency is met, so that the electric field is always in the optimal operation state; meanwhile, by monitoring the electric field parameters in real time, the electric field parameters can be dynamically adjusted according to the change of the working condition parameters, so that the method adapts to complex working condition changes, the dust removal efficiency is further improved, the performance and operation stability of the electrostatic dust collector are effectively improved, and the method has wide application prospects.

The application discloses a flue gas recovery system in a calcination zinc sulfide process and relates to the technical field of zinc sulfide production. The flue gas recovery system comprises, which are connected by pipelines in sequence, a waste heat recovery boiler, a bag-type dust collector, an electrostatic precipitator, a mixed converter, a cyclone separator, an absorption tower and a spray tower. The mixed converter comprises an outer cavity, an inner cavity and a tail gas inlet pipe. The tail gas inlet pipe is connected with one end of the inner cavity. The outer cavity is provided with a medium inlet at the end far from the tail gas inlet pipe. The outer cavity is provided with a medium outlet at the end far from the medium inlet. The inner cavity is provided with a tail gas outlet pipe at the end far from the tail gas inlet pipe. An oxygen inlet and a powder inlet are installed on the side wall of the inner cavity. The inner cavity is internally provided with a turbulence column. Under the guidance of the turbulence column, the tail gas, oxygen and catalyst powder can be fully mixed, which can accelerate the reaction speed of sulfur dioxide and oxygen in the tail gas, thereby accelerating the generation speed and quality of sulfur trioxide.

The utility model discloses a sound wave soot blower for electrostatic precipitator, it includes the casing, one end fixed mounting of casing has compressed gas source, one side of compressed gas source is provided with main gas pipe, be provided with a plurality of different length's branch gas pipe on main gas pipe, one end of a plurality of branch gas pipe all is fixedly installed with intelligent control valve all to the shell and is all downward, the lower end fixed mounting of intelligent control valve has variable frequency formula resonant cavity sound wave generator, the lower end fixed connection of variable frequency formula resonant cavity sound wave generator has directional sound wave sound signal horn, directional sound wave sound signal horn is located the top of dust collecting electrode, through the branch gas pipe of different length to directional sound wave sound signal horn and variable frequency formula resonant cavity sound wave generator form asymmetric interval distribution, effectively reduced the sound wave interference between each electric field.

The utility model belongs to the technical field of dust removal devices, and particularly discloses a workshop dust removal system for putty powder production, which comprises a dust removal box, a main fan and a plurality of dust collectors, the dust collectors are arranged below the side wall of a workshop, the dust inlet surfaces of the dust collectors are obliquely arranged, and an electrostatic dust removal plate is fixedly connected in the dust removal box. Electric modules are fixedly connected to the top of the dust removal box on the two sides of the electrostatic dust removal plate, cleaning motors are fixedly connected to moving terminals of the electric modules, cleaning rolling brushes are fixedly connected to rotating shafts of the cleaning motors, an air inlet end and an air outlet end are arranged at the left end and the right end of the dust removal box respectively, a discharging pipe is arranged at the bottom of the dust removal box, and the bottom of the discharging pipe communicates with a collecting box. The inclined dust collector is arranged on the lower portion of the workshop and is suitable for collecting dust in the workshop, the electrostatic dust collection plate is arranged in the dust collection box, the dust can be well collected and treated, the cleaning rolling brush is arranged, and the dust adsorbed on the electrostatic dust collection plate can be collected through the rolling brush.

This utility model discloses a mechanical cold-press sludge treatment device, including a sludge mechanical cold-press deep dewatering system, a dried sludge incineration waste heat recovery system, and a flue gas purification system; it includes a wet sludge storage silo, a primary sludge conveying pump, a sludge conditioning machine, a secondary sludge conveying pump, a sludge distributor, a sludge cold press, a sludge feeder, a dry sludge storage silo, a sludge feeder, a sludge incinerator system, a waste heat boiler system, an SNCR in-furnace denitrification system, an electrostatic precipitator, a dry deacidification tower, an activated carbon injection system, a bag filter, a lime-gypsum wet deacidification tower, a low-temperature SCR denitrification system, an induced draft fan, and a chimney; this utility model achieves sludge dewatering and drying at room temperature through mechanical cold-pressing technology to reach the conditions for self-sustaining combustion, and then incinerates the dried sludge through a bubbling circulating fluidized bed incineration, fully recovering the heat released from sludge incineration for power generation or heating, thereby realizing the resource utilization of sludge.

The utility model relates to a kind of multi-functional high-efficiency indoor air purifier, and sub-machine system mode is used in the shell, and air state signal is transmitted by signal tower. The upper part of air purifier is two sub-machine parking spaces with automatic charging device, and the lower part is mother machine system. When air pollution is weak, sub-machine is dispatched according to the set route to start purification, and carry out inspection while passing the set target point, and feedback real-time air quality. When air pollution is strong, the air purification device of mother machine starts to work. Sub-machine system works with four air purifiers through connecting plate, and controller and detection device are installed in the center. The upper surface of air purifier is installed with power device, and power lift is provided. Mother machine system purifies air through electrostatic precipitator and formaldehyde removal module. When there are multiple pollution sources in the room, the purification degree and purification efficiency are greatly improved, and the utility model also has the functions of real-time monitoring indoor air quality, releasing negative ions, sterilization and disinfection.

The present invention relates to the technical field of electrostatic precipitators, and in particular to an auxiliary steam heating and draining circulation system for an electrostatic precipitator hopper and a heating device. The auxiliary steam heating and draining circulation system for the electrostatic precipitator hopper comprises a heating module, an electrostatic precipitator hopper body, a side wall of the electrostatic precipitator hopper body being provided with a steam heating device, a first insulating door being installed at the end of the electrostatic precipitator hopper body, and the end of the first insulating door being connected to the electrostatic precipitator hopper body through a pipeline. By connecting the auxiliary steam heating and draining pipeline of the electrostatic precipitator hopper to the front of the electric steam inlet door of the WGGH auxiliary steam heater, the draining heat is exchanged to the WGGH circulating water for recycling, thereby reducing the auxiliary steam consumption of the unit, thereby reducing coal consumption and improving the economy of the unit. In addition, by designing a reasonably designed sealing component, the installation and disassembly process is made more convenient.

The invention discloses a shield tunneling machine working face cyclone water film dust removal and electrostatic dust removal rear matching train device which comprises a cyclone water film dust remover and an electrostatic dust remover which are arranged on a front dust removal train section, and an electrostatic generator and a counter-rotating axial flow fan which are arranged on a rear dust removal train section. The front end of the electrostatic generator is connected with the electrostatic dust collector through a cable bridge, and an air outlet in the rear end of the electrostatic dust collector is connected with an air inlet in the front end of the counter-rotating axial flow fan through an air duct bridge; an air inlet at the front end of the cyclone water film dust remover is connected with a dust collection pipeline system; the dust collection pipeline system is provided with a floating dust space dust collection cover, a transfer point dust collection cover and a plurality of cutter head dust collection short pipes. The dust collection device can move along with movement of the shield working face, a good dust collection state is kept all the time, the dust collection effect is greatly improved in a wet dust collection and electrostatic dust collection combined mode, the air environment of the shield working face is fully improved, and meanwhile dust-containing air is prevented from being exhausted into the atmosphere to pollute the atmospheric environment.

The invention discloses a converter smelting determination method and device, electronic equipment and a storage medium, and belongs to the technical field of converter smelting. The method comprises the following steps: matching a first gas content in an evaporative cooler before a converter to be detected is loaded with a first preset gas content standard, and determining a matching result; based on a matching result, determining whether to start blowing of the to-be-detected converter or not; after it is determined that blowing of the to-be-detected converter is started, whether a blowing permission instruction for blowing the to-be-detected converter is generated or not is determined on the basis of the second gas content at the outlet of the electrostatic dust collector before blowing and a second preset gas content standard; and after it is determined that the blowing permission instruction for blowing the converter to be detected is generated, the oxygen lance is controlled to descend in response to the blowing permission instruction, and the blowing process is started based on the preset oxygen lance control parameters corresponding to the oxygen lance. According to the invention, standardization of blowing of converters of different steel plant equipment can be realized. And the production efficiency and the yield of steel are further improved.

This utility model belongs to the technical field of chemical production equipment and discloses a waste gas treatment device for silicone sealant production. It includes suction hoods installed at various points on the production line, which are sequentially connected via pipes to a dust collector, an incinerator, a wet electrostatic precipitator, an alkaline scrubbing tower, an induced draft fan, and a chimney. The outlet of the dust collector is connected to the inlet of the incinerator, the outlet of the incinerator is connected to the inlet of the wet electrostatic precipitator, the outlet of the wet electrostatic precipitator is connected to the inlet of the alkaline scrubbing tower, the outlet of the alkaline scrubbing tower is connected to the inlet of the induced draft fan, and the outlet of the induced draft fan is connected to the inlet of the chimney. This utility model can treat the waste gas generated during silicone sealant production, ensuring environmental and personal safety.