11643 results about "Dust collector" patented technology

The invention discloses an environment-friendly low-pressure pulse bag type dust collector, and relates to the technical field of bag type dust collectors. Comprising a dust remover and a dust collecting hopper, a filter bag frame is installed in the dust remover, multiple sets of filter openings are formed in the outer wall of the filter bag frame, filter bags are fixed to the bottoms of the filter openings, bag cages are installed on the inner walls of the filter bags, dust removing assemblies are arranged on the inner walls of the bag cages, threaded rods are rotatably installed at the bottom of the filter bag frame, moving seats are installed on the outer walls of the threaded rods, and cleaning assemblies are arranged on the outer walls of the moving seats. Electric push rods are symmetrically mounted on the two sides of the inner wall of the dust remover, push blocks are fixed to the extending ends of the electric push rods, gravity sensors for controlling the extending lengths of the electric push rods are mounted on the two sides of the top of the filter bag frame, a limiting plate is fixed to the inner wall of the dust collecting hopper, a dustproof baffle is slidably mounted in an inner cavity of the limiting plate, and a vibration assembly is arranged on the outer wall of the dustproof baffle. By arranging the ash removal assembly, the utilization rate of pulse airflow is increased, and the cleaning effect of the bottom of the filter bag is further enhanced.

Disclosed is a method and tidying robot system that performs it. A robot of a tidying robot system receives a starting location, a target cleaning area, and obstructions in its path navigating the target cleaning area. It determines a tidying strategy including vacuuming and obstruction handling. It executes the tidying strategy, vacuuming the target cleaning area and moving and / or avoiding obstructions, which are tidyable and / or movable objects. Where the obstruction may be picked up, the robot determines and executes a pickup strategy. Where the obstruction may be relocated but not picked up, it pushes the obstruction to a different location. Where the obstruction cannot be relocated / picked up, it alters its path to avoid the obstruction. The robot determines if the dirt collector is full, and if so, navigates to a base station configured to charge the robot and empty the dirt collector. Otherwise, it continues to execute the tidying strategy.

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

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

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

The invention discloses an ash removal monitoring method, device and system for a bag type dust collector and a medium. The method comprises the following steps: acquiring lifting valve time sequence data, pulse valve time sequence data and bag type dust collector system pressure difference of each box chamber of the bag type dust collector in an offline ash removal mode; based on the time sequence data of the lifting valve and the time sequence data of the pulse valve, determining an injection period, selecting differential pressure data of a bag type dust collector system in the injection period, and performing preprocessing; performing correlation analysis on the preprocessed differential pressure of the bag type dust collector system and the time sequence data of the lifting valve to obtain a change rule of the differential pressure of the bag type dust collector system along with the working of the lifting valve under a normal dust cleaning working condition; and based on the change rule, judging the dust removal effectiveness of the current box chamber. According to the method, the ash removal effectiveness of each box chamber of the bag type dust collector can be accurately monitored, so that which box chamber is abnormal in ash removal can be accurately monitored, the fault box chamber can be quickly and accurately found, and the operation and maintenance efficiency of the bag type dust collector is 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 discloses a dust collecting device for producing protective clothing and treating dust, and relates to the technical field of dust collecting devices, the dust collecting device comprises a pre-dust-collecting chamber shell and a second combined flow guiding piece, the upper end of the left side of the pre-dust-collecting chamber shell is connected with an air inlet pipeline, and the lower end of the right side of the pre-dust-collecting chamber shell is connected with an air outlet pipeline; the second combined flow guide part is arranged between the air inlet pipeline and the air outlet pipeline, and the second combined flow guide part is composed of a rectangular outer frame, four second flow guide plates, an angle and distance adjusting mechanism and the like; the dust collector has multiple advantages, the burden of the filter bag can be relieved through the dust pre-collection chamber shell, the first combined flow guide part can flexibly change the included angle between the first flow guide plate and the center axis of the air inlet pipeline by means of the first electric push cylinder according to the flow and concentration of dust-containing air, and the second combined flow guide part can flexibly change the included angle between the first flow guide plate and the center axis of the air inlet pipeline according to the size and concentration of dust particles. The inclination angles of the four second flow guide plates are synchronously adjusted through the angle adjusting mechanism, and the distance between the second flow guide plates is adjusted in a self-adaptive mode through the distance adjusting mechanism.

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

The 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 discloses an air blowing and dust collection mechanism, a laser cutting device and an air blowing and dust collection method.The air blowing and dust collection mechanism comprises a dust collector, a dust collection cover, a dust collection pipeline and an air outlet module, the dust collection cover forms a first dust collection cavity with an opening facing a cutting station, and the dust collection pipeline is provided with an injection air channel and a dust collection air channel; the air flow in the injection air channel is used for injecting the air flow in the dust collection air channel, the dust collection air channel communicates with the first dust collection cavity and a dust collection opening of the dust collector, the air inlet end of the dust collection air channel is arranged close to an opening of the first dust collection cavity, and the air outlet module is used for conveying the air flow to the injection air channel and the cutting station. According to the air blowing and dust collection mechanism, waste chippings can be prevented from splashing while generation of the waste chippings is reduced, the suction effect on dust, smoke, the waste chippings and the like is improved, then the dust can be prevented from polluting the working environment, and the body health of workers can be guaranteed.

The utility model belongs to the technical field of air box type bag type dust collectors, and particularly relates to a dust filtering bag component of a bag type dust collector, which comprises a shaft rod, a plurality of supports are uniformly distributed and fixedly connected on the shaft rod, a support rod is fixedly connected on each support leg of the supports, a dust filtering bag with a star-shaped section is sleeved on the outer side of the support rod, and the dust filtering bag is connected with the air box type bag type dust collector. The dust filter has the advantages that the surface area of the dust filter bag is effectively increased by arranging the star-shaped dust filter bag, the filter efficiency is improved, the expansion effect of the star-shaped dust filter bag is better, the vibration dust removal effect is better, the cleaning effect can be effectively improved to ensure the filter efficiency of the dust filter bag, and the elastic rope is utilized to make the dust filter more stable. Therefore, the original working efficiency and working state of the dust filtering bag are kept, the repeated maintenance frequency of personnel is avoided, the maintenance cost is reduced, the service life is prolonged, and the dust filtering bag has higher practicability.

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

The invention discloses a fault early warning system and method for a bag-type dust collector, relates to the technical field of fault early warning, and solves the problems that in the prior art, a filter bag of the bag-type dust collector is periodically checked to promote fault-free operation, and the mode can cause that the filter bag is found after having a fault, so that the maintenance cost of the bag-type dust collector is increased, and the maintenance cost is reduced. And unnecessary resource waste is caused. Environment parameters in the filter bag are collected in real time through the environment sensor; judging whether a filter bag of the dust remover can work normally or not; if yes, continuing to use the bag-type dust collector; if not, sending out an early warning signal I; judging whether the filter bag needs to be cleaned; if yes, an early warning signal II is sent out; if not, continuing to judge; constructing a time prediction sequence according to the maintenance result and the time for cleaning the filter bag; obtaining the next filter bag replacement time according to the time prediction sequence; carrying out fault early warning according to the time for replacing the filter bag next time, and completing the replacement of the filter bag; according to the invention, equipment faults are effectively prevented and the maintenance cost is reduced.

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 relates to a coal mine wet dust collector applied to the technical field of coal mine dust removal, which comprises a Venturi tube, a rotational flow mechanism, a purification chamber and a dust removal intelligent controller, the rotational flow mechanism comprises a driving part mounted at the lower part of an inner cavity of the Venturi tube, a rotational flow net disc mounted in the circumferential direction of an output shaft of the driving part, and a pressure sensor mounted between the rotational flow net disc and the output shaft of the driving part; a dust treatment module, a rotational flow treatment module and a sludge treatment module are arranged on the dust removal intelligent controller, and by adopting the structure, a mixture of dust and water mist is intercepted by the rotational flow net disc rotating at a high speed when entering the bottom of the Venturi tube, so that the dust removal filtering efficiency is improved; by arranging the dust removal intelligent controller, the sludge pollution condition of the rotational flow net disc can be conveniently and automatically detected, the rotational flow net disc is automatically cleaned and flushed, the service life of equipment is prolonged, the maintenance period is shortened, automatic pollution discharge is achieved, and the dust remover is more automatic and intelligent.

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 invention relates to the technical field of dust separation, in particular to a convenient-to-clean bag-type dust collector for metallurgical casting. The bag-type dust collector convenient to clean for metallurgical casting comprises a bottom frame, an outer frame, a dust falling hopper, a dust discharging pipe, an air inlet pipe, an air outlet pipe, a supporting plate and a cloth bag, the top of the bottom frame is connected with the outer frame, the bottom of the outer frame is connected and communicated with the dust falling hopper, and the bottom of the dust falling hopper is connected and communicated with the dust discharging pipe. The left side of the lower portion of the outer frame communicates with an air inlet pipe. The first electric sliding rail drives the spraying pipe and the spraying head to move downwards and stretch into the cloth bag, it is guaranteed that compressed air can evenly cover the inner surface of the whole cloth bag, especially the lower area of the cloth bag, the problem of dust cleaning dead angles in a traditional dust cleaning mode is solved, and the dust cleaning effect is remarkably improved; due to the fact that the nozzle blows in the cloth bag, airflow cannot directly impact the surface of the cloth bag, physical abrasion of the cloth bag is reduced, and the service life of the cloth bag is prolonged.

The invention provides an intelligent dust remover fault and health state diagnosis management method, device and equipment and a storage medium, relates to the field of dust remover management, and aims to improve the timeliness and accuracy of bag-type dust remover maintenance. The method comprises the following steps: acquiring real-time operation data of key equipment of the dust remover, wherein the real-time operation data at least comprises dust removal fan vibration data, dust removal fan rotating speed, dust removal fan current, dust removal motor vibration data, dust removal motor cooling water flow and dust removal motor current; dividing the real-time operation data to obtain first operation data and second operation data; inputting the first operation data into a trained health state evaluation model to obtain a health index; inputting the second operation data into a trained equipment fault classification model to obtain a classification result; and when the health index is lower than a first threshold value, alarm information is sent out, and fault processing information is generated according to a classification result.

The invention relates to a bag-type dust collector of a gypsum powder production line, and relates to the technical field of gypsum powder production lines, the bag-type dust collector comprises a box body, an air inlet pipe, an air outlet pipe, a partition plate and a plurality of dust collecting bags, and further comprises a cleaning mechanism and a collecting mechanism, the cleaning mechanism comprises a moving block arranged on a first cavity in a sliding manner; the cleaning ring is used for brushing and cleaning the dust collecting cloth bag; the moving assembly is used for driving the moving block to move; the pulse blowing assembly is used for being started at intervals to blow and clean dust of the dust collecting bag; and the positioning assembly is arranged on the moving block and the cleaning ring and enables the cleaning ring to be connected with the partition plate and / or the moving block. According to the device, the dust collecting cloth bag is covered with the collecting mechanism and then cleaned, so that dust can be moved to the collecting position to be collected according to a designed path, the risk that the dust escapes everywhere is greatly reduced, the time spent on cleaning the dust collecting cloth bag is saved, and the flue gas purification efficiency is improved.

According to the low-resistance and low-leakage bag type dust collector provided by the utility model, the air inlet main flue is directly arranged in the middle box body of the dust collection module unit, and is directly perforated to serve as a branch air inlet to enable flue gas to enter the filter chamber, so that a complicated external flue structure in the traditional design is reduced, the resistance of the flue gas in the transmission process is reduced, and the dust collection efficiency is improved. Meanwhile, the heat loss of the flue is reduced; the top of the flue gas chamber is provided with a mounting hole convenient for the cloth bag assembly to enter and exit, the side wall is provided with a manhole door convenient for entering the inside for maintenance, and other openable structures are not arranged any more, so that the leakage rate is reduced, and low-temperature gas invasion is reduced to the greatest extent. Smoke at the outlet of the cloth bag assembly directly flows into the flue gas chamber and then flows out of the smoke outlet connector, and smoke resistance is reduced. The guide shutter mechanisms are arranged at the branch air inlets, smoke can be guided, smoke resistance can be reduced, smoke speed reduction and particulate matter sedimentation are achieved, and the situation that smoke carries large-particle dust to abrade a cloth bag, sparks burn the bag and the like is prevented.

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 dust collector suction nozzle structure for a slit, which relates to the technical field of dust collectors and comprises a dust collection pipe, a mounting sleeve is fixedly mounted at one end of the dust collection pipe, a fixing part is detachably mounted in the mounting sleeve, a suction nozzle body is fixedly mounted at one end of the fixing part, and a fixing sleeve is fixedly mounted on one side of the bottom surface of the mounting sleeve. When the suction nozzle body is installed, the rotating sleeve is opened, the installation sleeve at one end of the dust collection pipe is matched with the fixing piece to limit the suction nozzle body, after limiting is completed, the rotating sleeve is closed, and the fixing piece is fixed in the installation sleeve through the positioning assembly. Therefore, installation of the suction nozzle body is completed, firmness of the suction nozzle body after installation is improved, and the problems that when a part of the suction nozzle body directly arranged at the end of the dust collection pipe in a sleeving mode is plugged into the slit for dust collection, the suction nozzle body is prone to being clamped in the slit and prone to falling off from the end of the dust collection pipe when pulled out, and work of the dust collector is affected are solved.

The utility model discloses a rotary valve structure of a dust cup of a dust collector, which comprises an outer dust cup, a plurality of first cavities are arranged in the outer dust cup, a first communication hole is arranged on a partition plate, and the outer dust cup is provided with a first dust discharge port corresponding to a dust discharge channel of a base station of the dust collector; and the inner dust cup is rotationally connected to the partition plate and provided with a second communicating hole and a second dust discharging opening, and a linkage piece corresponding to a rotary guide groove in the dust collector base station is arranged on the outer side of the inner dust cup. The outer dust cup and the inner dust cup form a rotary valve structure, so that when the dust collector host and a base station are assembled in a butt joint manner, the linkage piece is matched with the rotary guide groove to rotate the inner dust cup, each dust collection cavity and a corresponding filtering structure are blocked, and dust is prevented from flowing reversely when garbage in the dust cups is discharged and recycled; and dust, hair and dirt with different particle sizes intercepted by the dust collection cavities are discharged respectively, dirt and garbage blockage in the dust discharge channel is avoided, and therefore it is guaranteed that the dust collector is used neatly, conveniently and efficiently.

Provided is a dust collector for a vehicle, including wheel accommodation parts formed on both sides of a vehicle body and in which wheels are located, a plurality of suction parts provided on inner circumferential surfaces of the wheel accommodation parts and through which inlet holes of front surfaces of the suction parts pass in a front-rear direction to communicate with suction spaces, a collection part provided on the vehicle body in which accommodation space is formed to accommodate fine dust and an inlet port and an outlet port are formed to allow air to be introduced and discharged, a plurality of collection lines, a driving part connected to a rear end of each of the collection lines and the inlet port and generates a suction force, and a controller electrically connected to a battery provided in the vehicle body and controls operation of the driving part.