379results about How to "Guaranteed dust removal performance" patented technology

The invention relates to a smoke semi-closed circulating lignite straight pipe type airflow drying method, which ensures the safety and reliability of a device and makes the maximization of the device possible through direct combustion of lignite to generate smoke, once drying of a straight pipe type airflow dryer to meet the moisture requirement of a product, large-grain inertia setting, collection of a fine grain bag type dust collector, even blending of large grains and fine grains through a blending device, emptying and air quantity control through a mixed temperature fan and a booster fan.

A filter bag dust-removing device comprises a dust-removing chamber, a dust gas chamber and filter bags, wherein a partition plate is arranged between the dust-removing chamber and the dust gas chamber, the filter bags are arranged above the partition plate and are installed in the dust-removing chamber through a suspension plate, the dust-removing chamber is provided with an air outlet, the dust gas chamber is provided with an air inlet, through holes are arranged in the partition plate; the dust-removing device further comprises a vibrating mechanism used for vibrating down fixed impurities attached in the filter bags, the vibrating mechanism comprises an air cylinder and a cam, a cylinder body end of the air cylinder is arranged in the top wall of the dust-removing chamber, an output shaft end of the air cylinder is connected with the cam and drives the cam to do rotating motion; the left end and the right end of the suspension plate respectively installed in the dust-removing chamber in an up and down telescoping manner through retractable hanging rods, reset springs are arranged outside the retractable hanging rods in a sleeving manner; the cam is linked with the suspension plate. The invention provides the filter bag dust-removing device which is longer in service life and better in dust-removing effect.

The present invention provides a road sweeper, comprising a body, a first suction pipeline, sweeping devices, a second suction pipeline and a fan. The body is provided with a dustbin; the first end of the first suction pipeline extends towards the position below the body and the second end of the first suction pipeline extends into the dustbin; the sweeping devices are provided with dust collection air pipes; the second suction pipeline is independent of the first suction pipeline, the dust collection air pipes are communicated with the first end of the second suction pipeline, and the second end of the second suction pipeline extends into the dustbin; the fan is arranged on the body, the air inlet side of the fan is communicated with the dustbin, and thus a negative pressure zone is formed in the dustbin. By applying the road sweeper, accidents caused by icy roads due to water spraying for dust removal can be effectively avoided, and the reliability of road construction is improved on the premise of guaranteeing the dust removal effect. The road sweeper can be used in winter, thus effectively solving the problem that the equipment is idle.

The invention discloses a substrate dust-removal device for processing a diffusion diaphragm. The substrate dust-removal device comprises an unwinding frame, a material reel, a substrate, a guiding roller, an electrostatic eliminator, traction rollers, a traction motor, a suction hood, an air filter, an exhaust pipe, a centrifugal fan, an injection frame, a spraying head fixing frame, a branch airpipe, a total air pipe and high-frequency solenoid valves. Through unwinding of the unwinding frame and cooperation of the guiding roller and the traction rollers, the substrate moves horizontally onthe top face of the dust-removal device at the constant speed, passes through the electrostatic eliminator firstly from right to left for electrostatic eliminating, and then enters the upper part ofthe suction hood, a controller controls the high-frequency solenoid valves to sequentially be closed and opened, thus high-frequency pulse airflow is formed to impact the surface of the substrate, dust is disengaged from the surface of the substrate, dust-containing gas is sucked by the suction hood, filtered by the air filter and then is discharged to the indoor space, in the whole process, the traction rollers and the guiding roller do not make contact with the surface of the substrate, abrasion of dust particles on the surface of the substrate is reduced, and the substrate is protected.

The invention relates to an electric furnace flue gas waste heat recovering and temperature regulating device comprising an electric furnace, a scrap steel preheating channel, a settling chamber, waste heat recovering equipment, a dust remover, a dust-removing blower and an exhaust stack. The scrap steel preheating channel is connected with the electric furnace; the settling chamber is connected with the preheating channel; the waste heat recovering equipment, the dust remover, the dust-removing blower and the exhaust stack are sequentially connected with the settling chamber; a temperature control device is arranged on the scrap steel preheating channel and comprises a first temperature sensor, a second temperature sensor, a PLC control system and a variable frequency fan, wherein the first temperature sensor is arranged between the electric furnace and the scrap steel preheating channel; the second temperature sensor is arranged between the preheating channel and the settling chamber; the PLC control system is arranged between the first temperature sensor and the second temperature sensor; and the variable frequency fan is connected with the PLC control system. The PLC control system can regulate the wind-drawing volume of the variable frequency fan according to temperature signals of the first temperature sensor and the second temperature sensor, thereby changing the amount of mixed cold wind entering into the waste heat recovering equipment and the flue gas temperature, achieving the purpose of regulating and controlling the flue temperature of an inlet of the waste heat recovering equipment and ensuring the operation stability and the safety of the waste heat recovering equipment.

The invention provides a subarea power supply system and a subarea power supply method for a wet electric precipitator. The subarea power supply system for the wet electric precipitator comprises a plurality of electric field subareas, wherein each electric field subarea comprises a cathode hanger, a cathode frame, a cathode line, an anode beam and an anode plate. The system also comprises power supply sub-systems with the same number as the electric field subareas, wherein each power supply sub-system comprises a high-voltage power supply device, a low-voltage power supply device and an insulator box. Cathode structures between the electric field subareas are mutually separated from each other, and each electric field subarea is independently supplied by power. The subarea power supply method comprises the steps that: each electric field subarea is respectively and independently equipped with the high-voltage power supply device and the insulator box; the cathodes structures between different electric field subareas are mutually disconnected, and the safe distance is ensured, so that each subarea is independently discharged; the drying and insulation of high-voltage incoming lines is ensured by a continuous hot wind blowing mode. The subarea power supply system and the subarea power supply method provided by the invention have the advantages of effectively ensuring the safe and stable operation of the wet electric precipitator, effectively improving the dedusting efficiency, reducing the risk and reducing the high-voltage power supply load.

The invention relates to a vertical type electric dust collector integrated with gravity and cyclone dust collection. The vertical type electric dust collector comprises a shell, wherein an electric dust removal part is arranged in a cavity at the upper part of the shell, and a gravity and cyclone dust removal part is arranged in a cavity at the lower part of the shell and comprises a gravity settling chamber and cyclone separators arranged in the gravity settling chamber. According to the vertical type electric dust collector, the gravity and cyclone dust removal part in the cavity at the lower part of the shell is improved, and an internal space is reasonably partitioned into the gravity settling chamber and a cyclone separation chamber, so that the dusty gas can be effectively subjected to multistage processing, and the dust removal effect is guaranteed; and the gas processed by the gravity and cyclone dust removal part enters the electric dust removal part through a wind outlet of the gravity and cyclone dust removal part, is subjected to the dust removal again and is discharged after being subjected to electrostatic dust collection; and the whole electric dust collector has the advantages of high dust collection efficiency, low operation cost and small occupied area.

The invention discloses a collecting and dedusting device. The collecting and dedusting device comprises an unloading chamber (14) and is characterized in that the inside of the unloading chamber (14) is provided with a dedusting device for dedusting, the side portion of the unloading chamber (14) is provided with an air sucking dedusting device, which is connected with the dedusting device; the unloading chamber (14) also comprises a feeding port (13) at the side portion and a collecting hopper (7) at the bottom for collecting materials and dust. By means of a semi-tight structure, the collecting and dedusting device can achieve rapidity during unloading of a machine tool body and obtain dedusting effects. Meanwhile, the collecting and dedusting device is simple in structure, convenient to operate and good in dedusting effects.

The invention relates to the field of plank painting processing equipment and discloses a processing device for a plank. The processing device for the plank comprises a conveying platform and an oil paint box. The oil paint box is connected with a main spray head and an auxiliary spray head. The main spray head is located in the auxiliary spray head, the width of the main spray head is smaller than that of the auxiliary spray head, and a blower is arranged above the conveying platform. The conveying platform is provided with a plurality of through holes, and the through holes are connected with an air bag. An air flow channel for air flow to pass through is arranged below the conveying platform, the bottom of the air flow channel is provided with a sliding groove, the air flow channel is internally provided with an arc-shaped elastic piece, and the two ends of the elastic piece are both connected into the sliding groove in a sliding manner. The two ends of the air flow channel are connected with an air inlet pipe and an air outlet pipe correspondingly. The air outlet pipe is internally provided with an upper air outlet pipe and a lower air outlet pipe, the upper air outlet pipe isinternally provided with a pressure valve, an air flow drive painting mechanism is connected between the lower air outlet pipe and the main spray head, and an air flow drive painting mechanism is connected between the upper air outlet pipe and the auxiliary spray head. By means of the processing device for the plank, the problem that the painting range of a painting head cannot be adjusted can besolved, painting processing for planks with different specific specifications is achieved, and the practical effect of the device is enhanced.

The invention relates to the technical field of flour processing dust removal, and discloses flour processing dust removal equipment and a using method thereof. The flour processing dust removal equipment comprises a box body, a spraying barrel and a filtering net, the bottom of one side of the box body communicates with one end of a dust suction pipe, and the filtering net is fixedly installed inthe box body; the bottom of the spraying cylinder communicates with one end of a water inlet pipe and a plurality of spray heads, one end of a rotating shaft is fixedly mounted on one side of the spraying cylinder, the box body rotationally sleeves the outer side of the rotating shaft, a rotating plate fixedly sleeves the outer side of the rotating shaft, a connecting groove is formed in one sideof the rotating plate, and a fixing plate is fixedly mounted at the top of one side of the box body. The equipment is reasonable in design, sprayed water mist makes full contact with dust through reciprocating rotation of the water mist spraying barrel, the dust removal effect is improved, a knocking plate is driven to intermittently impact a filter screen to drive the filter screen to vibrate, meanwhile, a brush is driven to rotate to clean the filter screen, the filter screen is prevented from being blocked, and the dust removal effect is guaranteed.

The invention relates to a liquid-level electrostatic precipitator. The liquid-level electrostatic precipitator comprises an electrostatic generator, an air inlet, a dust removal cavity and an exhaust port, wherein a liquid storage cavity is mounted at the top of the dust removal cavity; a dust collection cavity is mounted at the bottom of the dust removal cavity; dust removal plates are distributed in the dust removal cavity in parallel at the equal interval; all the dust removal plates are connected by the aid of arc-shaped tiles and assembled to form an S-shaped channel; upper ends of the dust removal plates penetrate through the bottom of the liquid storage cavity and extend into a dust removal liquid, and lower ends of the dust removal plates are fixed on a dust collection screen; the dust collection cavity and the liquid storage cavity are connected by the aid of a flow guide pipe; a driver and a dust separator are sequentially connected onto the flow guide pipe in series; a discharge piece is mounted at the air inlet and electrically connected with one electrode of the electrostatic generator, and all the dust removal plates are electrically connected with the other electrode of the electrostatic generator. The precipitator is novel in structure and can work continuously for a long time, and the working efficiency is effectively improved; meanwhile, the dust removal work is simple and efficient.

The invention provides a road sweeper which comprises a sweeper body, material suction pipelines, sweeping devices and a draught fan. The sweeper body is provided with a dustbin; the first ends of the material suction pipelines extend to the positions below the sweeper body, and the second ends of the material suction pipelines extend into the dustbin; each sweeping device is provided with a dust suction air pipe, and each dust suction air pipe is connected with the pipe wall of the corresponding material suction pipeline and communicates with the corresponding material suction pipeline; and the draught fan is arranged on the sweeper body, the air inflow side of the draught fan communicates with the dustbin, and a negative pressure region is formed in the dustbin. By the adoption of the road sweeper, the safety accidents caused by road freezing due to the fact that water is sprayed to reduce dust can be effectively avoided; and on the premise that the dust removing effect is guaranteed, the road operation construction reliability is improved. The road sweeper can be used in winter, so that the problem that equipment is idle is effectively solved.

The invention discloses a continuous dust removal regeneration filtration dust remover and belongs to the technical field of dust removal devices.The dust remover comprises a dust remover box, a filter barrel, a driving device for driving the filter barrel to rotate, a dust collecting hopper and a dust removal device.The dust collecting hopper is arranged below the dust remover box, and the filter barrel is installed inside the dust remover box.The dust removal device comprises a dust suction nozzle, the dust suction nozzle is attached to the surface of a filter material of the filter barrel in the height direction of the filter barrel, a rapping device is arranged on the dust suction nozzle, and the surface of the filter material of the filter barrel is rapped through the rapping device.The dust remover is excellent in dust removal performance, low in resistance and stable and reliable in operation, is ideal upgrading technical equipment, and can be widely used for purifying dusty air in places of ground surface purification breaking, screening and transferring of a metal mine concentrating plant and also used for downhole working face airflow purification and purification of dusty air in downhole breaking chambers, winzeloading and unloading mines, downhole mine bins and secondary breaking roadways.

The invention discloses a preparing system of PMMA light-guide-stage transparent membranes. The preparing system comprises a washing device, a drying device, an extruding device, a polishing device, aconveying device, a relay type membrane surface dust removal device, a film pasting device, a first cutting device, a traction device, an edge cutting device, a second cutting device and a piece loading device which are sequentially arranged and further comprises negative-pressure chip sucking devices arranged on the discharging sides of the first cutting device, the edge cutting device and the second cutting device correspondingly. Squeezing rollers below a mouth die of the extruding device are a pair of flexible rollers. The relay type membrane surface dust removal device comprises an upperdust removal roller set and a lower dust removal roller set which are arranged on the two faces of the membranes. The negative-pressure chip sucking devices each comprise a plurality of negative-pressure chip sucking parts arranged on one face or two faces of a to-be-cut product. Ultra-thin and ultra-wide PMMA membranes can be produced, inner stress of prepared products is evenly distributed, andthus the products are not prone to being cracked. Meanwhile, the very small thickness tolerance (smaller than 1.5%) and extremely perfect optical quality can be obtained, and the defect that powderedscraps press the appearances of the products to be damaged is effectively overcome.