15results about How to "Improve dust removal" patented technology

A water film desulfurization device and an implementation method thereof, belonging to the technical field of flue gas desulfurization, is designed to solve the problems of poor internal solution filtering effect of existing wet desulfurization spray equipment, easy blockage during the circulation process, and low filtering efficiency; the present invention drives the scraper to move up and down through a driving mechanism and a screw rod, and the scraper cleans the inside of the filter screen when it moves up and down, and when the scraper moves upward, the scraper pushes the guide rod upward to cause the second rotating shaft to rotate, and the second rotating shaft drives the filter screen to rotate half a circle through the first rotating shaft and the connecting shaft, so as to realize the cleaning of the inside and outside of the filter screen, and at the same time, the driving mechanism generates positive pressure inside the inner cavity through the positive and negative pressure mechanism, when the pressure is positive, the one-way valve plate opens, and the water liquid and mixed blockages in the inner cavity are discharged from the one-way valve plate, and when the pressure is negative, the one-way valve plate closes, and the water liquid enters through the filter screen, which can flush the filter screen, prevent the sprayer from being blocked or the spraying effect from being poor, thereby improving the dust removal and desulfurization effects.

The invention provides an electric auxiliary turbocharger with a double filtering system, and relates to the technical field of electric auxiliary turbochargers, the electric auxiliary turbocharger comprises a gas compressor, a gas compressor gas inlet and a gas compressor gas outlet are formed in the gas compressor, a conical barrel is further arranged on the gas compressor, a gas inlet is formed in the side wall of the top of the conical barrel, and a gas outlet is formed in the side wall of the top of the conical barrel. The air inlet is tangent to the conical barrel, a connecting barrel is rotationally connected to the center of the top of the conical barrel, a rotating barrel with air permeation holes is arranged in the center of the interior of the conical barrel, rotating barrel blades are arranged on the side wall of the periphery of the rotating barrel, and the top of the rotating barrel is fixedly connected with the bottom of the connecting barrel; the top of the connecting cylinder is rotationally connected with the air inlet end of the air filter, double filtering devices are arranged, namely, a set of filtering devices are additionally arranged in front of the air filter, so that the filtering effect on pollution such as dust in air is improved, and the situation that the air filter is blocked, and the air inlet amount is affected is avoided.

The utility model relates to the technical field of primary processing equipment in the tobacco industry, in particular to a novel negative pressure dust and moisture removal device, which is characterized in that the upper end part of a split type dust and moisture removal cover is fixedly connected with a dust and moisture removal branch pipeline, one side of the dust and moisture removal branch pipeline is fixedly connected with a group of electromagnetic valves, and a branch pipe valve is arranged in the dust and moisture removal branch pipeline; a set of PLC is connected to the lower end of the electromagnetic valve, a negative pressure detector is arranged in the dust removal and moisture removal branch pipeline, a centralized dust removal body is fixedly connected to the upper end of the dust removal and moisture removal branch pipeline, and a branch pipe valve and a negative pressure detector are arranged in the middle section of the branch pipeline. The other one can concentrate on quickly discharging moisture and heat, the professional design can improve the overall dust removal and moisture discharging efficiency, and meanwhile, the pressure and load borne by single equipment can be reduced, so that the noise and vibration during operation are reduced, the working stability of the equipment is improved, and the service life of the equipment is prolonged.

The denitration and dust removal integrated biomass grate boiler comprises a second flue, a third flue and a fourth flue which are sequentially connected with an outlet of a hearth, the lower end of the second flue is communicated with the lower end of the third flue, and the upper end of the third flue is connected with the upper end of the fourth flue through a furnace top turning flue. A first platen superheater is arranged at the upper part of the hearth, a second platen superheater is arranged in the second flue, a coiled pipe superheater is arranged in the third flue, and denitration equipment, an economizer and a tail heating surface are sequentially arranged in the fourth flue according to the flowing direction of flue gas; dust removal equipment is arranged in the furnace top turning flue, and the dust removal equipment and denitration equipment are supported on a boiler body steel frame. The dust removal equipment and the denitration equipment are also arranged in the range of the boiler body, so that compared with the prior art, the lengths of the inlet flue and the outlet flue are greatly shortened, the heat dissipation loss is reduced, the boiler efficiency is improved, and the dust removal and denitration effects can be improved; and the floor area is small, and the construction cost is low.

The invention provides a tin smelting flue gas treatment device and a treatment process thereof, and relates to the technical field of flue gas treatment equipment. A flue gas inlet pipe is horizontally arranged on one side of the lower end of the flue gas treatment tower in the tangential direction, and the outer end of the flue gas inlet pipe is communicated with a tin smelting flue gas collecting pipe; the lower end of the flue gas treatment tower is in butt joint with an alkali liquor recovery tank, and a backflow disc partition is arranged at the butt joint position of the upper end of an inner cavity of the alkali liquor recovery tank and the lower end of the inner cavity of the flue gas treatment tower. Flue gas enters the flue gas treatment tower in the tangential direction to form rotating airflow, so that kinetic energy of the flue gas is fully utilized, full contact between the flue gas and alkali liquor is promoted, and the dust removal and desulfurization efficiency is remarkably improved. Meanwhile, the alkali liquor recovery tank and the flue gas treatment tower are separated through the reflux disc, so that the recycling of the alkali liquor is realized, the corrosion of the alkali liquor to the internal structure of the flue gas treatment tower is avoided, and the service life of the equipment is prolonged.

The invention discloses dust removal and denitration equipment and method for a cement kiln, a dust and nitrate integrated module of the equipment comprises a gas inlet unit, a dust removal unit and a denitration unit, and the gas inlet unit comprises a gas inlet pipeline and a fan-shaped flow guide channel extending from the bottom of the gas inlet pipeline to the two sides; the dust removal unit comprises a rectification channel and a filter bag dust removal structure which are sequentially arranged on the two sides of the denitration unit, an inlet of the rectification channel is connected with the tail end of the flow guide channel, and the dust removal unit is provided with a gas purification cavity and a plurality of dust removal ash hoppers above and below the filter bag dust removal structure respectively; the upper part of the rectifying channel is equidistantly provided with communicating flues for communicating the purified gas cavity and the denitration unit; and the denitration unit is provided with a plurality of SCR catalyst layers in parallel at the position lower than the communicating flue. The dust removal and denitration functions are integrated in one module, the system and the waste heat boiler are combined into a whole, and denitrated flue gas is discharged from the boiler outlet after being subjected to heat exchange through the waste heat boiler, so that the dust removal and denitration efficiency is improved, and the overall energy efficiency of equipment is improved.

The invention relates to the technical field of flue gas treatment, in particular to flue gas treatment equipment for flame cutting, which comprises a cross beam and a flame spray gun, a first connecting seat is arranged on the cross beam, the flame spray gun is arranged on the first connecting seat, a second connecting seat is arranged on the flame spray gun, and a treatment mechanism is arranged at the bottom of the second connecting seat. A connecting cover is arranged on the second connecting base, and an exhaust mechanism is arranged on one side of the connecting cover. The device has the beneficial effects that when the flame spray gun is used for carrying out flame cutting on a steel plate, smoke and an alkaline solution form convection, the contact area between the smoke and the alkaline solution is increased, smoke particles in the smoke can be conveniently treated, and therefore the dust removal and purification effects on the smoke are improved; the existence time of the same part of alkaline solution on the spiral plate is prolonged, and the contact time between the flue gas and the same part of alkaline solution is prolonged, so that the utilization rate of the alkaline solution is improved.

The utility model discloses a flue gas dedusting and desulfurizing device which comprises a tank body, a rotational flow plate assembly, a rotary packing assembly and a fixed packing assembly are sequentially arranged in the tank body from bottom to top, a rotating shaft is rotatably arranged in the tank body, the rotational flow plate assembly and the rotary packing assembly are both fixedly connected to the rotating shaft, and the bottom end of the rotating shaft penetrates through the inside and the outside of the tank body. The side wall of the bottom of the tank body is communicated with an air inlet pipe, the top of the tank body is communicated with an exhaust pipe, a flow guide assembly is arranged between the rotational flow plate assembly and the rotary filler assembly, a first liquid distributor is arranged in the center of the rotary filler assembly, and a second liquid distributor is arranged above the fixed filler assembly. The first liquid distributor and the second liquid distributor are connected with the liquid storage tank through a circulating pipe, and a circulating pump is arranged on the circulating pipe. After the rotational flow plate assembly, the rotary filler assembly and the fixed filler assembly are arranged in the tank body for three-stage collaborative desulfurization, the desulfurization efficiency can be effectively improved, and the occupied area is reduced.

The invention discloses a filtering and antibacterial composite dust removal device, and relates to the technical field of filtering and dust removal. A filtering and antibacterial composite dust removal device comprises an ash hopper mechanism, the ash hopper mechanism comprises an inverted ash hopper, the four sides of the ash hopper are fixedly connected with support legs, an ash shaking mechanism is arranged above the ash hopper mechanism, the ash shaking mechanism comprises a main frame, the lower port of the main frame is adapted to the upper port of the ash hopper, an inlet pipe is passed through and fixedly connected to the middle of one side wall of the main frame, the lower part of the inlet pipe is correspondingly inserted into the ash hopper, a sterilization mechanism is arranged above the ash shaking mechanism, a discharge mechanism is arranged on one side of the sterilization mechanism, a first guide plate assembly is obliquely arranged at the middle of one inner side of the ash hopper, a second guide plate assembly is obliquely arranged at the upper inner side of the other ash hopper, the first guide plate assembly comprises a first plate roller, and the first plate roller is embedded in the middle of one inner side of the ash hopper, a filtering and antibacterial composite dust removal device, which prevents dust from accumulating on the grid plate, guides and accelerates it to enter the ash hopper, and improves the fluency of dust removal.

The present invention discloses a dust removal device, including a first brush, a second brush, a driving mechanism, a first transmission mechanism and a dust suction mechanism, wherein the driving mechanism is connected to the first transmission mechanism, the first transmission mechanism is respectively connected to the first brush and the second brush, and is used to drive the first brush and the second brush to move closer to or farther from each other, the first brush and the second brush have different directions, and are respectively used to contact different coils, and the dust suction mechanism is arranged close to the first brush and the second brush. At the same time, the present invention also discloses a winding device, including a dust removal device, a first winding mechanism and a second winding mechanism, the first winding mechanism is used to wind up the first coil, the second winding mechanism is used to wind up the second coil, the dust removal device is arranged between the first winding mechanism and the second winding mechanism, and the first brush is in contact with the first coil, and the second brush is in contact with the second coil.

The utility model discloses an environmental protection type dust collector for non - woven fabric production relates to dust collector technical field, including two dust shell body and connecting pipe, the inside of every dust shell body all is provided with a plurality of fairlead, the inside of every dust shell body all is fixedly installed with rubber mat strip, every spin pressure subassembly all sets up in the inside of dust shell body, every spin pressure subassembly all includes main shaft stem and page board no.

Disclosed are a hybrid dialkylphosphinate salt, a method for preparing same, and use thereof. The hybrid dialkylphosphinate salt is selected from at least one of the compounds represented by Formula (I). The hybrid dialkylphosphinate salt of Formula (I) provided herein features a low required loading level, high flame retardant efficiency for various polymers, and good thermal stability. The present invention overcomes the disadvantage of low flame retardant efficiency of diethylphosphinate in polymers as well as low thermal stability and large dust of dipropylphosphinate. The hybrid dialkylphosphinate salt of Formula (I) can be widely applied to flame retardant polymers which require high-temperature processing.

This utility model discloses a metal door and window cutting device. A mounting plate is fixedly installed on the upper surface of the workbench. A bracket is slidably installed above the mounting plate, and a cutting disc is located below the bracket. Limiting rods slide through both sides of the cutting disc. A pressure plate is fixedly installed at the bottom of the limiting rods, and a limiting plate is threadedly fixed to the top of the limiting rods. A support rod is fixedly installed on one side of the limiting plate, and a lever is rotatably installed at the top of the support rod. A column is fixedly installed on the upper surface of the bracket, and the top of the column is rotatably connected to the lower surface of the lever. Two symmetrically arranged dust suction pipes are slidably installed on the top of the bracket. Through the limiting rods, pressure plate, lever, and dust suction pipes, the two sides of the cutting seam can be further fixed during cutting, preventing saw blade deviation and reducing cut quality. Simultaneously, it ensures dust removal and elimination of irritating odors during cutting of door and window components of different thicknesses.

The present invention relates to a composite air purification device, comprising a cyclone filter cartridge. The cyclone filter cartridge is a double-layer structure, comprising a filter cartridge outer wall (3) and a filter cartridge inner wall (4). The outer side of the filter cartridge inner wall (4) is provided with a primary filter screen (1), and the inner side is provided with a filter core (5). The outer side of the filter core (5) is provided with a coil (7). The filter cartridge outer wall (3) and the filter cartridge inner wall (4) are respectively connected to two ends of a power supply as positive and negative electrodes. The upper and lower ends of the cyclone filter cartridge are both provided with permanent magnets. Pulsating direct current is passed through the coil (7). Compared with the prior art, the present invention greatly improves dust removal and purification effects and prolongs the service life of the filter core. More importantly, the present invention can be applied to some special spaces, especially scientific research and industrial sites, and can remove nitrogen-containing compounds including ammonia nitrogen, nitriles, hydrazones, amines, amides, pyrrole and pyridine that cannot be treated by conventional purification devices without affecting the service life of the filter core.

The invention relates to the technical field of coal mine blasting driving, and discloses a device for simultaneously removing dust and removing CO during blasting driving, which comprises a moving trolley, a dust removal device and a CO removal device, the moving trolley can walk on the ground, and a horizontal mounting surface is further arranged on the moving trolley; the liquid storage tank is arranged on the mounting surface of the moving trolley, the liquid storage tank comprises a water tank and a catalyst solution tank, the water tank and the catalyst solution tank are fixedly mounted on the mounting surface of the moving trolley, and the water tank is filled with a dust removal solution. The device for simultaneously removing dust and eliminating CO during blasting and driving aims to effectively cope with harm caused by dust and CO, by spraying water mist firstly, dust raising after blasting and driving is remarkably reduced, the dust concentration in the working environment is reduced, respiratory system health of workers is protected, a sensor is used for accurate monitoring, and the safety of the workers is improved. The anti-explosion electromagnetic valve is opened in a proper elimination environment to spray a vaporific catalyst solution, CO is efficiently adsorbed, and poisoning accidents are prevented.