46results about How to "No secondary dust" patented technology

The invention relates to a road surface cleaning device, in particular to a road surface vacuum sweeper. The vacuum sweeper comprises a vice vehicle frame, a suction nozzle assembly, a dust collecting box and a dust removing box, wherein the suction nozzle assembly, the dust collecting box and the dust removing box are installed on the vice vehicle frame cprrespondingly, the suction nozzle assembly is used for absorbing dust on the ground, the dust collecting box is connected with the suction nozzle assembly and used for collecting the partial dust, and the dust removing box is connected with the dust collecting box. According to the road surface vacuum sweeper, the dust absorbing rate is high, dust and particulate matter absorbing, separating and conveying are integrated.

The invention discloses a dust-containing gas treatment device, which includes a housing; a mixed air inlet pipeline is arranged on one side of the shell; a clear water atomization electromagnetic valve is arranged on the mixed air inlet pipeline; a spiral water spraying pipeline electromagnetic valve is further arranged on the mixed air inlet pipeline; a sewage flow guide groove and a spiral flowguide plate are arranged in the shell; capillary holes are further formed in the spiral water spraying pipe; the water outlet direction of the capillary holes points to the inner wall of the shell; an inner cylinder is further arranged in the center of the shell; the shell is also provided with a combination part; a blow-off water pipe is also arranged at the lowermost part of the shell; and theblow-off water pipe is fixedly connected with the shell through a flange. The device has the advantages that: the blow-off water pipe and the shell are fixedly connected together; the dust remover ishigh in efficiency, simple to operate, low in manufacturing cost, low in energy consumption, free of moving parts, free of secondary dust, low in maintenance cost, compact in structure and capable ofonly consuming a small amount of water, the part can be recycled, and available components contained in recycled sewage are convenient to comprehensively utilize.

The invention discloses an auxiliary-power-free sweeper. The auxiliary-power-free sweeper comprises an automobile chassis, a power part, a garbage box part, a hopper part, a folding belt conveying part, a suction nozzle part and a sweeping plate part, wherein the automobile chassis extracts force at full power, and the garbage box part, the hopper part, the folding belt conveying part, the suction nozzle part and the sweeping plate part are connected with the power part. The power part, the hopper part, the folding belt conveying part and the sweeping plate part are arranged on the automobile chassis. The garbage box part is arranged on the top of the hopper part and communicated with the hopper part. The suction nozzle part is arranged at the bottom of the automobile chassis and connected with the garbage box part. The auxiliary-power-free sweeper is high in efficiency, low in cost, large in suction, good in cleaning effect and high in safety performance, and energy saving and environmental friendliness are achieved; no secondary pollution exists; the auxiliary-power-free sweeper is suitable for multiple occasions including urban road environmental sanitation, harbor districts, wharfs, production factories, coal mines, chemical industry, iron and steel enterprises and the like and especially suitable for high-speed milling-planing road surface suction sweeping work.

The invention relates to a road cleaning vehicle and a road surface cleaning method thereof. The road cleaning vehicle is characterized in that the vehicle comprises a road brushing and sweeping engineering working vehicle, a console, an outer cover, a rotary cleaning brush, a muddy water collection tank, a water storage tank, a water pump, a drive motor, a mud pump, a mud conveying pipeline, a filter press unit, and a water pipe. The console is arranged in a cab of the road brushing and sweeping engineering working vehicle; the outer cover covers on the road brushing and sweeping engineering working vehicle in an inverted mode; the rotary cleaning brush is arranged below the road brushing and sweeping engineering working vehicle; the muddy water collection tank is arranged above the rotary cleaning brush in an inverted covering mode; and the water storage tank, the water pump, the drive motor, the mud pump, the mud conveying pipeline, and the filter press unit are arranged in the space that is formed by inverted covering of the outer cover. The road cleaning vehicle has the following advantages: firstly, the cleaning efficiency is high; secondly, cleaning can be carried out completely; no secondary dust floating is caused; fourthly, no muddy water flowing into a sewer, so that pollution is avoided and sewer blocking is also prevented; and fifthly, mud and water separation is carried out on sludge by the filter press unit, so that water saving and energy conservation are realized.

The invention relates to a filter plate type electrostatic precipitator. An anode row of the precipitator consists of a plurality of parallelly arranged box type filter plates; the box type filter plates are suspended on a suspending beam in a precipitator shell and are in alternative arrangement with a discharge electrode row, so that the filter plate box bodies configured in the shell and the discharge electrode row suspended among the filter plates form positive and negative electrode systems of the electrostatic precipitator; rapping devices are arranged at two sides of the cathode row and the anode row for rapping the cathode row configured at the electrode interval B and the filter plate box bodies periodically; upper opening ends of the filter plate air ducts are communicated with the air exhaust channels at the top of the precipitator; an electric field and a metal filter plate form a composite dust precipitation chamber, and dust attached to the outer surface of the filter plate falls into a dust hopper. According to the invention, the bidirectional dust precipitation under the action of electric field power and air flow power does not generate secondary dust flying; the system resistance is relatively low, and is less than or equal to 500Pa; the dust filtering and precipitation speed is improved by 60 times; the service life of a filter cartridge can reach 10 years; the dust precipitation efficiency Eta is greater than or equal to 99.95%; the absorption of fine dust (not greater than 1 micron) can meet the PM2.5 emission requirement.

The invention relates to a self-cleaning type magnetic particle separating device. The self-cleaning type magnetic particle separating device comprises a shell, an air inlet, magnetic bodies, a dust extraction plate, a motor, a rotating shaft, a dust raise preventing dust collecting box and an air outlet, the air inlet is formed in one end of the shell, the air outlet is formed in the other end of the shell, the dust raise preventing dust collecting box is arranged at the bottom of the shell, all magnetic bodies are transversely arranged in an air runner in an arrayed manner, and the dust extraction plate is arranged on multiple magnetic poles in a sliding and penetrating manner. According to the self-cleaning type magnetic particle separating device, in the dust extraction manner, air containing magnetic particles enters the self-cleaning type magnetic particle separating device through the air inlet to be attracted to the magnetic bodies, and clean air flows out from the air outlet; under the self-cleaning mode, the motor drives the dust extraction plate to move along the magnetic bodies, the particles are separated from the magnetic bodies, the separated particles sink into the dust raise preventing dust collecting box under the action of gravity, a surface magnetic plate and a middle magnetic plate are arranged inside the dust raise preventing dust collecting box, and therefore the sinking magnetic particles can be effectively attracted, and reentrainment of dust is avoided. The self-cleaning type magnetic particle separating device has the beneficial effects of being long in cleaning period, low in maintaining cost, free of reentrainment of dust and the like.

The invention relates to a novel efficient air-flowing type floor cleaning vehicle. The novel efficient air-flowing type floor cleaning vehicle comprises a blowing-sucking device, a settling device, an air purifying mechanism, a water purifying mechanism and a rechargeable battery pack, wherein the blowing-sucking device comprises an air blowing passage plate and an air sucking passage plate, theair blowing passage plate and the air sucking passage plate are in V-shaped arrangement, the air blowing passage plate and the air sucking passage plate are fixedly connected with sealing plates, thebottom of the air sucking passage plate is provided with a roller, the air blowing passage plate is connected with a high pressure draught fan, the settling device is connected with the air sucking passage plate and the air purifying mechanism respectively, the air purifying mechanism comprises a sewage collection tank and an air purifying device, the sewage collection tank is communicated with the air purifying device, the air purifying device is connected with the settling device, the air purifying device is connected with an exhaust fan, the sewage collection tank is connected with a firstwater pump, the water purifying mechanism comprises a sewage filtering device, a clear water storage tank and a second water pump, the sewage filtering device is connected with the first water pump, the second water pump is connected with the air purifying device, and the rechargeable battery pack provides powder for the high pressure draught fan, the exhaust fan , the first water pump and the second water pump.

The invention provides a sleeve kiln exhaust gas flue ash discharge system and a control method thereof. The sleeve kiln exhaust gas flue ash discharge system comprises a level gauge, a rotary feeding valve, a pipe-type screw conveyer and a finished product system. The level gauge is arranged in a kiln body exhaust gas pipe; one end of the rotary feeding valve is connected with the kiln body exhaust gas pipe, and the other end of the rotary feeding valve is connected with the pipe-type screw conveyer; the finished product system comprises a belt conveyer, a vibrating screen and an ash storage bin, and one end of the belt conveyer is arranged at an outlet of the pipe-type screw conveyer; an inlet of the vibrating screen is arranged at the position of an outlet of the belt conveyer; the ash storage bin is arranged at the position of an outlet of the vibrating screen. The sleeve kiln exhaust gas flue ash discharge system further comprises an instrument cabinet, a PLC cabinet and an HMI, and the PLC cabinet is connected with the instrument cabinet and the HMI. When accumulated ash in a waste gas flue reaches a value at which ash needs to be discharged, the level gauge sends out a signal, the accumulated ash is conveyed to the ash storage bin through the rotary feeding valve and the pipe-type screw conveyer, therefore, it is guaranteed that the flue is kept smooth at any time, normal negative pressure in a sleeve kiln can be guaranteed, and meanwhile safe and environment-friendly production can be guaranteed.

The invention relates to a steelmaking slag treatment dust removing system of an AOD furnace.The steelmaking slag treatment dust removing system comprises a hopper dust suction hood and a discharging port dust suction hood, and is characterized in that the hopper dust suction hood is arranged on a slag feeding hopper and connected with a hopper dust removing pipeline, the discharging port dust suction hood is arranged at a slag discharging port and connected with a discharging port dust removing pipeline, the discharging port dust removing pipeline is communicated with the hopper dust removing pipeline, the hopper dust removing pipeline is connected with a concentration main pipeline, and the concentration main pipeline is communicated with an air inlet of a cyclone dust remover.An air outlet of the cyclone dust remover is communicated with a draught fan.An air outlet of the draught fan is provided with a water membrane dust remover.The steelmaking slag treatment dust removing system of the AOD furnace is compact in designed structure, capable of saving ground, and high in stability, reliability and dust removing efficiency due to the fact that the unique smoke dust purifying system is arranged oriented to slag features of the AOD furnace.

The invention discloses a ceramic tail powder material recycling treatment system. A sieving station, a humidifying station, an extruding station, a crushing and pelletizing station and a screening station are sequentially arranged along a tail powder material recycling treatment path, wherein tail powder materials are fed into the sieving station to be subjected to sieving and iron removing treatment so that sieved powder materials can be obtained; the humidifying station is provided with a humidifying device used for performing quantitative humidifying on the sieved powder materials, and therefore humidified powder materials with a preset water content are formed; the extruding station is provided with an extruding mechanism used for extruding the humidified powder materials to form blocky materials with proper hardness; the crushing and pelletizing station is provided with a crushing device used for performing crushing treatment on the blocky materials to form particle powder materials; and the screening station is provided with a device used for separating finished powder materials meeting the particle size requirement in the particle powder materials. The tail powder materialrecycling procedure is effectively improved, the production cost is greatly lowered, the finished powder materials meet the discharging requirement conforming to powder material preparation, and the characteristics that reentrainment of dust is avoided, cost is low, and direst inputting for production is achieved are achieved.

The invention relates to the technical field of circuit board processing, in particular to a dust removing device for a copper plate of an integrated circuit. The dust removing device comprises a processing table, wherein a spiral dust removing roller made of silica gel is rotationally arranged above the processing table, the dust removing roller can be in contact with the copper plate, a spiral dust sticking roller capable of being engaged with the dust removing roller is arranged above the dust removing roller, an adhesive layer is arranged on the surface of the dust sticking roller, and a pushing mechanism for intermittently pushing the copper plate is arranged on the processing table. The dust removing device can solve the problem that in the prior art, secondary flying dust is easy togenerate due to brush dust removal and wind dust removal.

The invention particularly relates to a cleaning device for a return rubber belt of a belt conveyor, belongs to the technical field of belt cleaning, and aims to provide the cleaning device for the return rubber belt of the belt conveyor, which can improve the field working environment. According to the scheme, a stock bin for receiving unloaded material is fixed to an unloading roller of the belt conveyor; a first sweeper is installed at the unloading roller and used for sweeping materials remaining on the surface of the belt and falling into the stock bin, and a wet type belt sweeping component for further cleaning the materials remaining on the belt is installed on the return stroke section of the belt; and a spraying pipe, a third sweeper, a roller set and a fourth sweeper of the wet type belt sweeping component are sequentially arranged in the running direction of the return stroke section of the belt. Fine materials attached to the surface of the belt are cleaned in time, and the situation that the fine materials float in the air is avoided.

A low-altitude electrostatic oil fume purifier of the present invention comprises a wet-type electrostatic purification system and an adsorption purification mechanism connected with the wet-type electrostatic purification system. The wet-type electrostatic purification system comprises a shell, a control electric box and a fire extinguishing system which are installed at the two sides of the shell respectively, a direct-current high-voltage power source is arranged in the control electric box, and a cylindrical honeycomb electric field electrically connected with the direct-current high-voltage power supply is arranged in the shell. The adsorption purification mechanism comprises an exhaust fume collecting hood and a plurality of filter units connected with the exhaust fume collecting hood, a plurality of oil fume extraction motors are arranged in the exhaust fume collecting hood, the bottoms of the oil fume extraction motors are connected with filter pipelines, and each filter unit comprises a water tank containing oil absorption alkali liquor, a filter material layer and a vertical filter material net which are arranged in the water tank. One end, far away from the oil smoke exhaust motor, of each filter pipeline penetrates through the filter material layer and extends into the oil absorption alkali liquor of the water tank box, the vertical filter material net is fixed on the inner wall of the water tank box above the filter material layer, and an exhaust port connected with the vertical filter material net is formed at the edge, close to the opening, of the water tank box.

The invention provides an improvement on electric precipitator polar plate and polar line design and relates to an efficient combining integration module which is applied to a device for collecting electrical charge smoke particles in an electric precipitator. The efficient combining integration module is characterized by being different from various airstream shield type dust collecting polar plates formed by rolling metal plates in the past. The efficient combining integration module has high airflow permeability and can provide enough sedimentation area for electrical charge smoke particles, and especially has a high ability to adsorb the submicron-order electrical charge smoke particles. The electric precipitator adopting the efficient combining integration module has high strength and high stability, and can greatly increase the wind speed of an electric field, shorten the length of a sedimentation channel in the electric field and effectively reduce secondary flying dust, equipment transportation, installation and adjustment are easy and convenient, operation is efficient, the investment and operation cost of the electric precipitator is reduced substantially, and the emission concentration technical performance index is lower than that of a bag type dust collector.

The invention relates to a liquid film plasma deduster. The liquid film plasma deduster comprises a metal tube body with two penetrating ends, one end of the metal tube body is an air inlet end, and the other end is an air outlet end. The deduster also comprises: a discharge electrode stretching into the tube body and arranged along the axis direction of the tube body, wherein the discharge electrode is not in contact with the tube body; a liquid conveyer for inputting a liquid into the tube body to make the liquid form a liquid film on the inner wall of the tube body; and a plasma power supply, wherein the positive electrode of the plasma power supply is electrically connected with the discharge electrode, the negative electrode of the plasma power supply is electrically connected with the tube body, and a plasma dedusting channel is formed between the outer wall of the discharge electrode and the inner wall of the tube body after the power supply is switched on. The liquid film plasma deduster has the advantages of reasonable structure design, good dedusting effect, and no individual cleaning of dusts in a striking hammering manner.