8819 results about "Dust collector" patented technology

The invention relates to the technical field of dust collector control, and discloses a multi-motor cooperative speed regulation and energy efficiency optimization control method and device for a dust collector, and the method comprises the steps: monitoring the rotating speed, current, voltage, temperature and other operation parameters of a plurality of motors in real time, and determining the working load state of each motor through a load recognition model. Different cooperative speed regulation strategies are matched according to load states, such as PID control for low loads, fuzzy logic control for medium loads and model prediction control for high loads. A dynamic weight distribution algorithm is used for adjusting the target rotating speed, and an energy efficiency optimization algorithm is used for optimizing power distribution. Meanwhile, environmental parameters are considered, and control parameters are optimized through a self-adaptive parameter adjustment model. And the system also has the functions of adjusting strategies according to load fluctuation and power consumption, motor priority ranking during high load, energy efficiency algorithm parameter optimization, rotating speed adjustment during filter screen blockage, motor state monitoring and prediction and the like, so that accurate speed regulation and efficient energy conservation are realized, and the performance and the intelligent level of the dust collector are improved.

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.

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

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

The invention relates to a negative pressure dust collection type cutting machine, and belongs to the technical field of cutting machines, the negative pressure dust collection type cutting machine comprises a cutting machine workbench, a cutting module, a negative pressure dust collection module, an explosion-proof filtering system and a control system, the cutting module comprises a three-dimensional five-axis cutting mechanism and a high-power laser cutting head, and the high-power laser cutting head is loaded at the driving end of the three-dimensional five-axis cutting mechanism. The dust collector has an anti-explosion effect and an environment-friendly discharge function, and is provided with an anti-static pipeline, an inert gas injection device and a spark catcher aiming at flammable metal dust, so that the explosion risk can be remarkably reduced, multi-stage filtration is carried out by adopting the sintered metal filter cartridge, the HEPA filter screen and the like, discharged air meets the environment-friendly standard, the sewage problem of traditional wet dust collection is avoided, and the dust collector is suitable for popularization and application. And the metal plate is fixed through the evenly-distributed adsorption holes, plate deviation caused by vibration or scrap accumulation in the cutting process is prevented, and the precision of the cutting path is improved.

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

The invention discloses an intelligent cleaning robot dynamic negative pressure dust removal system based on pressure feedback. The intelligent cleaning robot dynamic negative pressure dust removal system comprises a centrifugal fan, a pressure sensor array and a control system. The centrifugal fan adopts a variable frequency speed regulation technology, so that the suction force of 500-3000Pa is dynamically adjustable; an array composed of six sets of miniature pressure sensors is arranged at a dust collection opening, and the airflow pressure difference between the air inlet end and the air outlet end is monitored in real time. The control system is integrated with a blockage self-detection algorithm, when the pressure difference exceeds a preset threshold value 0.5 kPa, a compressed air pulse back flushing program lasting for 0.2 second is triggered, and meanwhile the fan power is adjusted in a self-adaptive mode till blockage is removed. The system solves the problem that the efficiency is suddenly reduced after a traditional dust collector is blocked through a pressure feedback mechanism and an intelligent control strategy, and self-maintenance of the dust collection efficiency is achieved. Experiments show that in dust-intensive scenes such as station waiting halls, the dust removal efficiency is improved by 35% compared with that of a traditional system. The intelligent cleaning robot has the functions of real-time pressure monitoring, dynamic negative pressure adjustment and blockage self-repairing, the working efficiency and reliability of the cleaning robot in the complex environment are remarkably improved, and the intelligent cleaning robot is suitable for being used as intelligent cleaning equipment in families, public places and the industrial field.

The invention relates to the technical field of bag-type dust removers, and particularly discloses a high-efficiency low-heat-loss bag-type dust remover which comprises a dust remover body and further comprises a detection assembly arranged on one side of the dust remover body and used for detecting the gas pressure difference of the two sides of a bag according to the deflection angle. Through the detection assembly, the gas pressure difference on the two sides of the cloth bag can be converted into the deflection angle of the pressing rod for detection, and according to the deflection angle, detected by the detection assembly, of the pressing rod, when the deflection angle of the pressing rod reaches a limit value, the triggering assembly can automatically control the dust removing assembly to remove dust on the surface of the cloth bag; the trigger assembly can also automatically adjust the trigger limit value of the detection assembly according to the humidity condition of the dust-containing gas, the cleaning strength of the dust removal assembly can be adjusted according to the humidity of the dust-containing gas through the regulation and control assembly, the dust stripping effect is improved, the cleaning effect on the cloth bag can be improved, and the subsequent filtering efficiency of the cloth bag can be improved.

The utility model relates to the technical field of bag-type dust collectors, and discloses a low-emission environment-friendly pulse-jet bag-type dust collector, which comprises a dust collector body, and an ash bucket is fixedly mounted at the bottom of the dust collector body. According to the low-emission environment-friendly pulse-jet cloth bag type dust collector, the filter bag in the dust collector body is in a state that no airflow passes through, then the pulse device is started to carry out pulse-jet dust removal by using compressed air, and the closing time of the exhaust pipe is enough to ensure that dust stripped from the filter bag settles to the dust hopper after the dust is jetted; the phenomenon that dust is attached to the surface of an adjacent filter bag along with airflow after being separated from the surface of the filter bag is avoided, dust cleaning of the filter bag is thorough, the dust is cleaned by arranging a driving device, a first rotating shaft and a cleaning plate, the dust can continuously reach a collecting box, the dust is prevented from being attached to the inner wall of a dust hopper, accumulation is avoided, and the service life of the filter bag is prolonged. Furthermore, the dust emission concentration can be obviously reduced, and the pollution to the environment is reduced.

The utility model discloses a pulse type cloth bag dust removal device with a cooling structure, relates to the technical field of dust removal devices, and aims to solve the problems that in the prior art, when high-temperature flue gas is subjected to dust removal treatment, the temperature in the device is increased, so that the dust removal efficiency is influenced, and the aging and abrasion of a cloth bag are accelerated. An ash hopper is fixedly installed below the device box body, an air inlet pipe is fixedly installed on one side of the ash hopper and extends into the ash hopper, a first water tank and a second water tank are symmetrically and fixedly installed below the two sides of the device box body respectively, and a water inlet pipe is fixedly installed below one side of the first water tank. A drainage pipe is fixedly installed above one side of the second water tank, a first temperature guide plate and a second temperature guide plate are fixedly installed on the two sides of the lower portion in the device box body along one side of the first water tank and one side of the second water tank respectively, a cooling folded plate is arranged in the device box body, and a water cavity is formed in the cooling folded plate.

A cleaner includes a case having an internal path formed therein and an intake motor to draw in air containing foreign substances into the case. The cleaner includes a dust collector on the internal path of the case through which the drawn air flows and rotatable to separate the foreign substances from the drawn air by rotating the drawn air, and a rotation body disposed further downstream than the dust collector in an airflow direction of the drawn air, to rotate by the air passing through the dust collector, and to rotate the dust collector by being combined with the dust collector.

Provides a dust collector capable of being installed even in small spaces and capable of collecting dust efficiently. A dust collector 1 includes a first electrode layer 12 formed of a conductor, a second electrode layer 14 formed of a conductor, having sufficient size to cover the first electrode layer 12 in planar view, having lacking parts (through holes 14H, slits 14S) piercing therethrough in a thickness direction, having sufficient size to cover the first electrode layer 12 in planar view, and placed interfacing the first electrode layer 12, and an insulating layer (a first insulating layer 13, a second insulating layer 15) formed of an insulative material, insulating the first electrode layer 12 and the second electrode layer 14, and forming a single merged layer structure with the first electrode layer 12 and the second electrode layer 14.

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

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

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

The utility model discloses a dust remover with a conveniently replaced filter cartridge, which belongs to the field of dust removers and comprises a shell, a dust hopper is arranged at the bottom of the shell, an air inlet pipe and an exhaust pipe which are communicated with the shell are respectively arranged on one side and the top of the shell, and the filter cartridge is arranged on the shell through a support mechanism capable of sliding in the horizontal direction. The shell is provided with a limiting assembly used for limiting and fixing the support mechanism, the support mechanism comprises a fixing frame movably arranged in the shell through a sliding rail, the top of the fixing frame is provided with a mounting plate matched with the filter cartridge, and the fixing frame is provided with a baffle matched with the shell. According to the dust remover with the filter cartridge convenient to replace, the filter cartridge is replaced by transversely pulling out the support, and compared with a traditional mode that the filter cartridge needs to be replaced by entering the dust remover or disassembling a part of the structure, the operation process is greatly simplified, the filter cartridge is convenient to replace, the downtime required by replacing the filter cartridge is shortened, and the production efficiency and the economic benefit are favorably improved.

The invention relates to an air curtain-negative pressure coupling circulating dust removal system for an open pit coal mine crushing station, and belongs to the technical field of dust prevention and control. Comprising a dust isolation device, a dust falling device and an air curtain dust control device which are arranged on a mine truck coal unloading channel. The dust isolation device comprises a dust blocking curtain arranged at the top of the coal unloading channel and dust blocking plates arranged on the two sides of the dust blocking curtain; the dust falling device comprises a dust remover arranged outside the coal unloading channel, a dust suction hood arranged in the channel and a negative pressure dust suction pipeline; the air curtain dust control device comprises an air supercharger arranged outside the coal unloading channel, air curtain generators arranged on the two sides of the channel and an air compression pipeline. The air outlet of the dust remover is provided with an air supercharger communicated to the compressed air pipeline, and air flow treated by the dust remover is conveyed to the air curtain generator through the compressed air pipeline under the action of the air supercharger to form circulating air flow. The dust removal system solves the problem of serious dust pollution in the production process of the primary crushing station, and dust treatment is carried out by utilizing airflow circulation to prevent dust diffusion from influencing the surrounding environment.

The invention belongs to the technical field of dust collector monitoring, and particularly relates to an intelligent monitoring and controlling system for a dust collector, which is characterized in that a PLC control center is used for collecting inlet dust concentration information and outlet wind dust concentration information, outputting dust collector efficiency information through internal calculation, and giving out various control instructions; the dust removal and purification assembly is used for carrying out dust removal and purification treatment on air in the place to be subjected to dust removal according to the dust removal instruction and conveying the air subjected to dust removal and purification treatment to the waiting and discharging chamber; the equipment data detection module is used for detecting various operation data of each part of the equipment in real time and transmitting the operation data to the PLC control center for processing; and the residual ash treatment module is used for treating the cleaned residual ash. According to the invention, automatic dust removal can be realized, the dust removal efficiency is improved, and the harm of dust to operators is reduced, so that the dust remover is intelligent and automatic, and labor is saved.

The invention discloses a system for preparing acetylene by partial oxidation of natural gas, which comprises a natural gas preheating furnace, an oxygen preheating furnace and an acetylene furnace, both the natural gas preheating furnace and the oxygen preheating furnace are communicated with the acetylene furnace, the acetylene furnace is communicated with a quenching water inlet pipe, and a pyrolysis gas outlet of the acetylene furnace is directly connected with a YT membrane dust remover. According to the scheme, the problems that in the prior art, a carbon black water system is large in carbon black removal difficulty and high in carbon black post-treatment cost, VOCs and carbon black floating influence the environment when carbon black is removed through an open-type carbon black water tank, waste heat of the system is difficult to utilize, and wet carbon black adheres to the inner wall of a pyrolysis gas pipeline and blocks the pipeline are solved.

The invention provides a dust removal method and system for a surface galvanizing automatic production line, and the method comprises the steps: installing air quality sensors at all key points in a workshop of the surface galvanizing automatic production line, and monitoring the dust concentration, humidity, temperature and other key parameters in the air in real time; the air quality in the workshop is evaluated according to the key parameters, and if it is monitored that the air dust concentration of a certain workshop area exceeds a preset safety threshold value, the workshop area is automatically adjusted to a dust removal mode; judging that a dust removal mode needs to be started, sending an instruction to dust removal equipment, starting a corresponding dust removal program, and starting an industrial dust collector or a spraying system; after the dust removal equipment starts to work, the air quality sensor continues to monitor the air quality and provides real-time feedback. The system comprises a parameter acquisition module, a quality evaluation module and a dust removal execution module. According to the invention, real-time monitoring, intelligent evaluation, automatic dust removal and continuous optimization of air quality are realized.

The invention relates to the technical field of waste heat recovery, and particularly discloses an efficient waste heat recovery system based on secondary lead smelting and a cascade using method thereof.The efficient waste heat recovery system comprises a smelting furnace, an air preheater, a cyclone dust collector, a box type dust collector, a waste heat boiler and a raw material drying machine which are sequentially connected; a vertical cylinder with the lower end extending out is concentrically fixed to the top of the heat preservation outer shell, a heat exchange rotor is rotationally arranged at the upper end of the vertical cylinder, the interior of the heat exchange rotor is evenly divided into a plurality of sealed fan-shaped spaces, the fan-shaped spaces are filled with phase change heat storage materials, and a plurality of sets of vertical tubes are arranged in each fan-shaped space. A plurality of groups of radial through heat exchange tubes are arranged in each fan-shaped space; according to the waste heat efficient recovery system and the waste heat cascade using method, on the premise that high-temperature flue gas waste heat is efficiently utilized, corrosion of high-temperature strong acid gas to the heat exchange pipes and the heat exchange media can be avoided, and the service life of the air preheater is guaranteed.

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

The efficient wetting production equipment comprises an elevator, an outlet of the elevator is communicated with a powder storage bin, the bottom of the powder storage bin is communicated with a powder supply dispersion component, the powder supply dispersion component is communicated with the top of a wetting tower body, the wetting tower body is matched with a water supply system, and a constant-pressure dust removal chamber is arranged at the bottom of the wetting tower body; the constant-pressure dust removal chamber is communicated with the dust remover, the dust remover is communicated with an air flow groove of the elevator, a first conveyor is installed at the bottom of the wetting tower body, the output end of the first conveyor is detachably connected with the drum screen device, a second conveyor is arranged at an output port of the drum screen device, and the output end of the second conveyor is communicated with the powder waking bin. And an output end arranged at the bottom of the powder waking bin is matched and connected with the fourth conveyor. By adjusting the number of the powder supply dispersion components, the water supply amount of the water supply system, the dust removal power of the dust remover and the diameter of the wetting tower body, a feasible scheme can be formulated for production lines with different powder production amount requirements under the condition that the good wetting powder production effect is guaranteed.

The invention relates to the technical field of intelligent control, fault diagnosis, regulation and control of electrostatic dust collectors, in particular to a cathode and anode rapping concentricity compensation control method and system.The method comprises the following steps that after a central intelligent control system monitors that the concentricity of a cathode and an anode is abnormal, a preset diagnostic micro-intervention sequence is started; the diagnostic micro-intervention sequence comprises at least one low-risk detection operation aiming at a pre-judged potential fault cause; monitoring a dynamic response feature to the low-risk detective operation characterized by multi-source sensor data during execution of the diagnostic micro-intervention sequence; according to the method, the obtained dynamic response features are matched with the preset fault mode-response feature association information, the confidence coefficient of each potential fault reason is evaluated, and finally, the hierarchical regulation and control decision is executed based on the confidence coefficient and the abnormality severity, so that the problems of fuzzy diagnosis and high misjudgment risk caused by interleaving of multiple fault reasons are solved.

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

The invention discloses a coal mining machine dust source tracking intelligent dust removal method and system integrated with a hydraulic support, and belongs to the technical field of coal mine dust removal. The system comprises a wet dust collector arranged on the inner side of a hydraulic support shield beam, a telescopic air duct on a top beam and a control system. The wet dust collector is connected with the telescopic air duct through a dust suction pipeline arranged in the support, and a dust suction opening of the telescopic air duct is driven by the lifting mechanism to ascend and descend and suck dust dynamically along with a roller of the coal mining machine. The control system obtains position signals of the coal mining machine, adjusts the position of a dust suction opening and controls the dust remover to be started and stopped, and precise dust source treatment is achieved. According to the method, the dust source is tracked circularly by recognizing the coal cutting state of the coal cutter and dynamically adjusting the height of a dust suction inlet and operation of a fan. The support structure is used for protecting equipment from being smashed and damaged, the device adapts to thin and medium-thickness coal seam space, the dust removal efficiency and reliability are remarkably improved, the dust concentration and the maintenance cost are reduced, miner health and operation safety are guaranteed, and wide application prospects are achieved.

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

To provide a foreign matter separator and a foreign matter separation method that allow separation of metal wires being foreign matters contained in dust collected by a dust collector.SOLUTION: Dust collected by a dust collector 1 is mechanically sieved with a sieve 5, and the sieved dust is guided to a vertical pipe 7. Then, a gaseous matter is flown in from a lower part of the vertical pipe 7 to generate upward current inside the vertical pipe 7. Further, dust which has been separated according to flotation caused by the upward current is guided to a dust storage tank 8, and metal wires in the sieved dust are sedimented to be separated.SELECTED DRAWING: Figure 1

According to the bag-type dust remover control system, in a dust removal box body assembly, the structural design of an air inlet chamber, a filtering chamber and an air purifying chamber is matched with control valves on an air inlet pipeline and an air outlet pipeline, air flow entering and exiting can be effectively controlled, an air flow distribution plate between the air inlet chamber and the filtering chamber can enable the air flow to be evenly distributed, and the dust removal efficiency is improved. A plurality of filter bags of the filter bag units in the filter chamber are ensured to be uniformly stressed, the dust filtering efficiency and effect are improved, in the dust cleaning assembly, an air storage tank, a pulse valve array and a blowing pipe are matched, the pulse valve array and the filter bag units are correspondingly arranged, accurate dust cleaning of the filter bag units can be achieved, a Venturi pipe at the tail end of the blowing pipe can enhance the airflow guiding effect, and the dust cleaning effect is improved. In the sensing assembly, a pressure difference transmitter is installed at an inlet and an outlet of a filter chamber, and the pressure difference is monitored in real time to reflect the blockage condition of the filter bag. The dust concentration sensor is located on the air inlet pipeline and monitors the air inlet dust concentration.

The utility model relates to the technical field of cement production equipment, and discloses a portable cement production dust collector which comprises a collecting box, a dust suction fan is arranged in the middle of the upper surface of the collecting box, a connecting pipe is arranged at the input end of the dust suction fan, and a connecting block is installed at one end of the connecting pipe. The inner wall of the connecting block is in threaded connection with a dust suction pipe, the two ends of the winding roller are rotationally connected with fixing columns, the bottom ends of the fixing columns are fixedly connected to the other end of the upper surface of the collecting box, one end of the upper surface of the collecting box is fixedly connected with a push handle, and dust collecting cloth bags are arranged on the two side walls. Dust generated in the cement production process can be effectively sucked into the collecting box through the dust suction nozzle, the length and the position of the dust suction pipe can be flexibly adjusted through the design of the winding roller, the problem that the dust suction effect is poor in the cement production process is solved, the dust suction pipe is convenient to operate and manage, and the dust collecting flexibility is improved.