4951results about "Combination devices" patented technology

The invention discloses a dust removal mechanism and a dust removal method of an inverted laser etching machine for LOW-E glass, relates to the field of dust removal for LOW-E glass laser etching, and solves the problems of dust dissipation, interference between an air curtain and negative pressure airflow, poor adaptability of adsorption force and easy blockage of a filter membrane in the etching process. The mechanism comprises a dynamic sealing dust removal cover, an annular air curtain guiding module, a negative pressure dust collection module, a multi-stage filtering module, a composite adsorption positioning module and an intelligent control module. The method comprises six steps of pretreatment positioning, air curtain-negative pressure collaborative initialization and the like. According to the scheme, airflow interference is eliminated through an air curtain-negative pressure collaborative PID algorithm, an adsorption force two-factor adjustment algorithm is matched with glass characteristics, pre-dedusting is achieved through a dust concentration LSTM prediction algorithm, and the filtering efficiency is guaranteed by combining a multi-stage filtering module with a filtering membrane self-cleaning function; dust concentration can be effectively controlled, glass film layer damage is avoided, dedusting stability is improved, and filtering life is prolonged.

The utility model relates to a filter assembly, a tail gas treatment device and boron diffusion production equipment, the filter assembly comprises a filter element and a filter cartridge, the filter element is provided with a first end and a second end along a first direction, and the filter element is provided with a plurality of filter through holes along the first direction; the filter element is positioned in the filter cartridge; the filter cartridge is provided with an air inlet and an air outlet; the air inlet is communicated with an exhaust pipe of a vacuum furnace of the boron diffusion production equipment, and the air outlet is communicated with a tail exhaust pipe of the boron diffusion production equipment; tail gas exhausted by the exhaust pipe can enter the filtering through hole through the gas inlet and the first end in sequence, and can be exhausted to the tail exhaust pipe through the second end and the gas outlet in sequence after being filtered; a plurality of water injection blind holes extending in the first direction are formed in the filter element, and openings of the water injection blind holes are formed in the second end; a first water injection port is formed in the filter cartridge and is communicated with the opening through a water pipe; and the filter element is made of a porous material. According to the technical scheme, harmful substances such as B2O3 in the tail gas can be fully and effectively removed, and the filtering efficiency is high.

The present application relates to waste gas treatment technical field, specifically for a kind of foul smell tail gas treatment device for disposal of sick and dead animals, including the spray tower being arranged on rack, filter mechanism for purifying spray water being arranged inside the spray tower and flushing mechanism for washing filler ball being arranged on the rack, the spray tower includes the tower shell assembly being arranged on the rack, spray assembly being arranged inside the tower shell assembly and filling assembly for dynamically distributing filler ball being arranged inside the tower shell assembly;The present application can dynamically layout filler ball, change the flow path of tail gas upwards, increase the residence time of tail gas, increase the reaction contact surface of filler ball and tail gas, ensure that tail gas can fully react with spray water, improve the purification efficiency of tail gas, solve the technical problem that hollow ball filler in the interior of traditional spray tower is static placed, leading to lower tail gas purification efficiency.

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The invention discloses an adsorption treatment system for heavy metal particles in waste incineration flue gas, and relates to the field of flue gas treatment.The first adsorption structure comprises a plurality of adsorption assemblies which are arranged in parallel from top to bottom, each adsorption assembly comprises a first adsorption section and a second adsorption section which are communicated in sequence, and a plurality of honeycomb assemblies are arranged in each first adsorption section; the honeycomb assembly comprises a plurality of honeycomb frameworks, and amino silane layers are arranged on the honeycomb frameworks; the second adsorption section comprises an adsorption plate, and a carbon-doped boron nitride adsorption layer is arranged on the adsorption plate; the air outlet end of the second adsorption section is connected with the spiral air inlet assembly; flue gas enters the adsorption plate of the second adsorption section after passing through the honeycomb framework on the first adsorption section, and the flue gas enters the spiral gas inlet assembly of the second adsorption structure through the gas outlet end of the second adsorption section. According to the system, multi-stage treatment is carried out through an amino silane layer on a honeycomb framework of the first adsorption section, a carbon-doped boron nitride adsorption layer of the second adsorption section and spraying liquid on a second adsorption structure.

The invention discloses a cyclone separation and moving particle bed coupled pulverized coal pyrolysis oil gas high-temperature dust removal system, and belongs to the technical field of coal clean utilization. The system comprises a cyclone separator, a fine filtration unit, a filter material cyclic regeneration unit and an intelligent control unit, the fine filtration unit comprises a particle bed, a particle bin is arranged at the top end of the particle bed, and a composite filter material layer is arranged on the particle bed; a dust-containing high-temperature oil gas pipeline and a pretreatment high-temperature oil gas pipeline are arranged at the top end of the cyclone separator, dust-containing high-temperature oil gas is introduced into the cyclone separator through the dust-containing high-temperature oil gas pipeline to be pretreated, and the pretreated dust-containing high-temperature oil gas is introduced into the particle bed through the pretreatment high-temperature oil gas pipeline to be finely filtered; and a coke breeze discharge pipe is arranged at the bottom of the cyclone separator. The invention is used for solving the technical problem of low gas-solid separation efficiency at high temperature caused by the adoption of a single filter material in the existing pulverized coal dust removal system.

The invention relates to the technical field of desulfurization towers, in particular to an ultrasonic agglomeration dedusting and demisting device of a desulfurization system and an operation method thereof, and aims to solve the problems that in the prior art, fine particles in flue gas are not subjected to agglomeration pretreatment, a targeted cleaning mechanism is lacked, and a demister is easily blocked due to filter residue attachment after long-term operation; and finally, the dedusting and demisting efficiency of the desulfurizing tower is reduced. According to the invention, the ultrasonic generation module is started, parameters are dynamically optimized based on a PLC and a fuzzy PID algorithm to induce agglomeration of PM2.5 and fog drops, the particle size is increased through a depressurization ring, and then efficient gas-liquid separation is carried out through a dual separation mechanism; when filter residues are attached, the motor drives the spray pipe to rotate and spray, the cleaning assembly is matched for wiping, the guide assembly guides waste liquid, the intelligent system adjusts in real time and triggers a cleaning program, a pretreatment and cleaning mechanism is established, blockage is eradicated, stable operation of parts is ensured, and the dust and mist removal efficiency is improved.

The invention relates to the technical field of industrial environmental protection, in particular to a double-hearth lime kiln low-emission collaborative dust removal system and a control method. The control method comprises the steps that a flue gas sensing module collects real-time flue gas parameters and kiln body working condition data; the working condition linkage regulation and control unit dynamically adjusts operation parameters of the dust removal equipment through a fuzzy PID working condition matching algorithm; the regional collaborative dust removal assembly performs differential dust removal according to flue gas characteristics and treatment requirements of different dust raising points, and flue gas flow guide is performed through a double-hearth time sequence valve group during kiln body switching; the noise elimination and vibration isolation cooperation unit adjusts the noise elimination amount and the vibration isolation damping according to the rotating speed of the draught fan and controls noise and vibration. The tail gas deep purification unit evaluates the dust removal state through a flue gas and dust coupling model, carries out deep treatment on the dedusted tail gas and controls the tail gas emission concentration; the anti-blocking optimization unit carries out cooperative anti-blocking through dynamic rapping and airflow purging based on historical operation data and real-time working conditions. Therefore, the problems of poor dust removal stability, high operation energy consumption and the like in the prior art are solved.

The invention relates to the field of waste gas treatment, and discloses an asphalt smoke treatment device for highway construction, the asphalt smoke treatment device comprises a spray tower body, a filter unit and a spray unit, the filter unit and the spray unit are both located in the spray tower body, and the filter unit can intercept and filter large particles in asphalt smoke entering the spray tower body. The first filter plate mechanism and the second filter plate mechanism are arranged in the spray tower body, double interception of large particles of asphalt smoke is achieved through an interception plate A and an interception plate B, a guide rod is matched to drive an ejector rod on a blockage clearing disc to accurately penetrate through a filter hole for blockage clearing, and a rotating ring slides and rotates along with the guide rod and drives the clearing plate to scrape impurities at the bottom of the interception plate; the power driving equipment controls the filter plate to deflect to assist in impurity falling, so that the problem that the spraying effect is influenced by increased filtering resistance and non-uniform impurity distribution caused by blockage of filter holes in the background art is effectively solved, the airflow circulation efficiency is guaranteed, and stable conditions are provided for subsequent spraying purification.

The invention discloses dedusting equipment for a thermal power generation desulfurizing tower, and relates to the technical field of dedusting equipment. The dust removal equipment for the thermal power generation desulfurization tower comprises a support frame, the top of the base is fixedly connected with a shell; a water storage block is fixedly connected into the shell, a water inlet pipe is fixedly connected to the side face of the water storage block, a first hydraulic block is fixedly connected to the top of the water storage block, a first push block is movably connected to the top of the first hydraulic block, the interior of the first hydraulic block communicates with the interior of a second hydraulic block through a first hose, and a water blocking plate is hinged to the bottom of the water storage block through a first rotating shaft. The outer side of the first rotating shaft is fixedly connected with a rotating block, the bottom of the rotating block is fixedly connected with a second pushing block, the bottom of the second pushing block is movably connected with a second hydraulic block, and the first hydraulic block is movably connected with the inclined plate through a transmission piece. When the dedusting equipment for the thermal power generation desulfurizing tower is used, the electric telescopic rod is started to rotate the inclined block, so that a water film is generated, and the filtering efficiency of the equipment is improved.

The invention relates to the field of dust removal, and discloses a woodworking central dust remover which comprises a dust remover body, a filter assembly and a dust removal assembly arranged in a filter bag, a dust removal cavity and a dust suction cavity are formed in the dust remover body, an air chamber valve is arranged between the dust removal cavity and the dust suction cavity, the air chamber valve separates the two cavities, an air inlet is formed in the side wall of the dust removal cavity, and an air outlet is formed in the side wall of the dust suction cavity; the linkage ash removal mechanism is constructed by arranging the supporting rods capable of expanding in the radial direction in the filter bag and the tightening ring connected to the bottom. The multiple supporting rods synchronously expand outwards under the action of high-pressure airflow to drive the tightening ring to be screwed, so that the filter bag structure is expanded and twisted to form a composite disturbance area covering the inner wall and the bottom, the dust attachment state is effectively destroyed, and the filter bag structure is particularly suitable for cleaning the bottom, wrinkles and other traditional areas difficult to clean.

The invention discloses a steam boiler flue gas desulfurization circulating purification device and belongs to the technical field of flue gas purification. The device comprises a desulfurization treatment box, the inner wall of the desulfurization treatment box is fixedly connected with a mounting frame, the top of the mounting frame is provided with a spraying mechanism, the spraying mechanism is internally provided with a flushing mechanism, the inner wall of the desulfurization treatment box is rotatably connected with a demister, and the surface of the demister is provided with a vibration falling mechanism. A circulating water tank is fixedly mounted on the side wall of the desulfurization treatment box, the spraying mechanism comprises a plurality of atomizing nozzles arranged in the desulfurization treatment box and controls the atomizing nozzles to continuously move in the spraying process to improve the spraying comprehensiveness, and the flushing mechanism comprises connecting rings arranged on the outer walls of the atomizing nozzles and drives the atomizing nozzles to turn over by an angle to flush the atomizing nozzles. And the vibration-off mechanism comprises an abutting rod arranged above the demister, and the abutting rod is controlled to continuously knock the demister, so that slurry adsorbed in the demister is vibrated off.

The invention provides a wet-type dust removal device for an underground coal mine and a using method thereof, and belongs to the technical field of dust removal, and the technical scheme is that the wet-type dust removal device for the underground coal mine comprises a barrel, a mounting ring is fixed to the open end of the barrel, a filter screen is arranged in the mounting ring, and a mounting block is fixed to the outer side face of the filter screen; a connecting hole is formed in the wall thickness of the side wall of the barrel, a connecting rod is installed in the connecting hole, a driving mechanism is arranged in the barrel, and the driving mechanism can control the connecting rod to periodically impact the installation block. An air draft mechanism and a spraying mechanism are further arranged in the barrel body, the air draft mechanism can suck air into the barrel body from the filter screen, the spraying mechanism can spray water mist into the barrel body, and a flocculation mechanism is arranged at the top of the barrel body and can periodically drip a flocculating agent into the barrel body. The device is based on an automatic cleaning mode of periodic vibration, and the problem that a filter screen is blocked by dust chippings during mechanical extrusion cleaning of a traditional brush plate is solved.

The invention relates to the field of air dust falling equipment, in particular to an environment-friendly building construction dust falling treatment device which comprises a machine shell fixedly installed on a movable seat, the top of the machine shell is rotationally communicated with an air inlet pipe, and a driving part for driving the air inlet pipe to rotate is arranged on the machine shell; the fan is fixedly installed on the upper portion of the inner wall of the machine shell, an air outlet of the air inlet pipe is communicated with the fan, the bottom of the fan is fixedly communicated with a filter box, the fan blows air towards the filter box, and a plurality of filter screens are evenly assembled on the outer wall of the filter box in the circumferential direction at intervals. Air is doubly filtered through the filter screen and the water washing box, a linkage system of the shielding mechanism and the dust removal mechanism is matched, and under the condition that normal work of a filter channel of the filter box is not affected, clean air obtained after water washing is used for conducting back flushing cleaning on the isolated filter screen; the problem that the overall efficiency of traditional equipment is reduced due to filter screen blockage is effectively solved.

The drying machine for sludge treatment comprises a drying cylinder, a conveying device and a waste gas treatment device, a feeding opening is formed in the top of the drying cylinder and communicates with the conveying device, a jacket is arranged on the outer wall of the drying cylinder, an electric heating wire is arranged in the jacket, and two rotating shafts are symmetrically arranged in the drying cylinder; a plurality of hollow blades are evenly welded to the side wall of each rotating shaft, the right side of the top of the drying cylinder is connected with a waste gas treatment device, and the waste gas treatment device comprises a cyclone separator and a waste gas filtering tank; generated waste gas is introduced into the cyclone separator, dust in the waste gas is separated out by utilizing centrifugal force generated by the cyclone separator, the separated gas enters the waste gas filtering tank, harmful impurities in the gas are adsorbed and filtered by the activated carbon layer, and the treated gas is discharged into the atmosphere, so that the pollution of the dust and the harmful impurities to the environment is reduced; to-be-dried sludge is heated through the inner wall of the drying cylinder, the rotating shaft and the electric heating wires in the hollow blades, the heating area is increased, and the drying efficiency is improved.

The invention relates to the technical field of bypass ventilation denitration systems, and discloses an intelligent bypass ventilation SCR (Selective Catalytic Reduction) coupling SNCR (Selective Non-Catalytic Reduction) denitration system which comprises a smoke chamber, a cyclone cylinder, a precise ammonia spraying system, an air mixing chamber, a cooling fan, a cold air valve, a dust collection chamber, an SCR reactor, an exhaust fan, a chimney, a stock bin, a bin pump, a compressed air system and an intelligent control system, the air inlet is connected with the smoke chamber, and the feed opening is connected with the bin pump. Under any working condition, NOx emission at a chimney outlet can reach the standard, the ammonia water consumption is lowest, the denitration effect is good, the investment cost is low, the problem that NOx emission of the kiln tail chimney is unstable and prone to exceeding the standard is solved, the catalyst abrasion and blocking risk can be greatly reduced, the catalyst dosage is small, the maintenance cost is low, and the method is suitable for industrial production. And long-term stable operation of the system is realized.

The invention provides tail gas treatment equipment for rubber asphalt production, which comprises a treatment tank, and further comprises an inner cylinder arranged on the inner side of the treatment tank, and the upper part of the inner side of the inner cylinder is provided with a fine filter screen and a coarse filter screen; a plurality of cleaning pipes are circumferentially distributed and mounted on the rotating shaft on the upper side of the coarse filter screen, cleaning brushes are mounted on the lower sides of the cleaning pipes, blowing holes are formed in the lower sides of the cleaning pipes, a plurality of reverse blowing pipes are circumferentially distributed and mounted on the rotating shaft on the lower side of the fine filter screen, and blowing heads are mounted on the upper sides of the reverse blowing pipes; the pressure relief reverse blowing mechanism is used for conveying compressed air to the inner cavity of the rotating shaft; and the regulation and control mechanism is used for controlling and regulating air in the inner cavity of the rotating shaft to be conveyed to the cleaning pipe and the reverse blowing pipe. Through graded filtration of the double-layer filter screen and cooperative dust removal of the cleaning brush and the reverse blowing nozzle, particulate matters are effectively intercepted, long-acting smoothness of the filter screen is ensured, and the tail gas purification efficiency and the system operation stability are improved.

The invention discloses waste gas purification environment-friendly equipment, and relates to the technical field of waste gas purification. The waste gas purification environment-friendly equipment comprises a shell, and the interior of the shell is rotationally connected with second filter screen equipment through a first rotating shaft; the inner side of the shell is fixedly connected with a first fixing table, the interior of the first fixing table is movably connected with a second rotating shaft, the outer side of the second rotating shaft is fixedly connected with blades, the top of the second rotating shaft is fixedly connected with a water tank, the outer side of the water tank is fixedly connected with a water outlet, the top of the water tank is fixedly connected with a movable connector, and the top of the movable connector is movably connected with a water inlet pipe. A second fixing table is fixedly connected to the inner side of the shell, a plurality of protruding blocks are fixedly connected to the inner side of the second fixing table, a first hydraulic block is fixedly connected to the bottom of the second rotating shaft, and the first hydraulic block is movably connected with the first rotating plate through a transmission piece. According to the waste gas purification environment-friendly equipment, waste gas flows upwards, the water inlet sprays water downwards, the filtering efficiency of the equipment is improved, and the service life of the equipment is prolonged.

The invention provides an impurity deep removal and purification device in ES fiber solvent recovery. Relates to the technical field of electrostatic spinning process and solvent recovery, and comprises a pre-separation module used for removing fiber residues and solid particles larger than 5 microns in solvent-enriched gas; the multi-stage deep condensation module comprises two stages of condensers, and the two stages of condensers condense the solvent steam according to the gradually decreased temperature and intercept micro-droplet impurities; and the composite adsorption module is used for adsorbing residual organic trace impurities and removing water. The impurity deep removal and purification device in ES fiber solvent recovery has the advantages of being low in energy consumption, easy and convenient to maintain, stable in operation and capable of being continuously online for 72 h or above without shutdown, the solvent recovery rate is remarkably increased, the operation cost is reduced, and the potential risk of organic vapor emission to the environment and operation safety is effectively avoided.

The invention relates to the technical field of boiler flue gas dust removal and denitration, in particular to a boiler flue gas dust removal and denitration system which comprises a vertical inertial dust removal mechanism for guiding discharged flue gas and intercepting dust. The high-temperature dust remover is used for carrying out fine dust removal on the flue gas discharged by the vertical inertial dust removal mechanism; and the denitration device is used for carrying out denitration treatment on the flue gas subjected to dust removal and purification. Through self-adaptive mechanical linkage of the spindle air plug and the shutter mechanism, synchronous optimization of smoke flow velocity compensation and collision angle under the full-load working condition is realized, and the low-load dust removal efficiency is ensured not to be reduced; and in cooperation with spiral self-rotating cleaning and active cooling protection, the operation stability and the service life of the device in a high-temperature and high-dust environment are improved.

The invention relates to a gas nanometer purification method and a purifier, and the method comprises the following steps: gas to be cleaned enters a gas-water separator for gas-liquid separation and coarse filtration, liquid impurities and large-particle solid impurities in the gas are removed, and preliminarily purified gas is obtained; on the basis of switching logic, the preliminarily purified gas is alternately conveyed to two adsorption unit groups for deep adsorption purification, adsorbent dehydration treatment and fine dust interception treatment are sequentially completed in the adsorption units, and clean gas is obtained; one part of the clean gas is conveyed to the gas storage bin to be stored, and the other part of the clean gas is conveyed to the regeneration gas bin to be pre-stored for regeneration cycle of the subsequent adsorption unit. Through the integrated method design of continuous adsorption working conditions, online regeneration cycle and automatic pressure equalizing switching, seamless connection of adsorption and regeneration and uninterrupted gas supply in the whole process are achieved, gas supply interruption and severe gas pressure fluctuation are effectively avoided, and the strict use requirements of precise manufacturing, automatic production lines and continuous production scenes for stable gas sources can be met.

The invention belongs to the field of coal mine dust removal, and relates to a coal mining machine onboard integrated efficient dust remover and a filtering method thereof, an air inlet, a nozzle, a multi-stage filter screen, a corrugated plate demister, a centrifugal fan and other components are integrated to form an efficient dust removal system. During operation, dust-containing air enters through the air inlet, water mist is sprayed out of the nozzles to preliminarily wet dust, and then the dust with different particle sizes is effectively captured through multi-stage filtration of the coarse-efficiency filter screen, the medium-efficiency filter screen and the high-efficiency filter screen. And then the air is dehydrated by a demister, and clean air is discharged by a centrifugal fan. The equipment is provided with a dust cleaning brush and a differential pressure sensor, the filter screen can be automatically cleaned, and the filtering effect is guaranteed. The system has the advantages of efficient dust fall, water saving, environmental protection, intelligent monitoring, compact structure and convenient maintenance, can obviously reduce the dust concentration of the working face, improves the working environment, ensures the health of miners, and is a preferable scheme for dust control of the fully mechanized coal mining working face.

The invention relates to the technical field of activated carbon adsorption towers, in particular to a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which comprises an adsorption tower body, an adsorption mechanism is arranged on the outer side of the adsorption tower body, and a recycling mechanism is arranged on the front side of the adsorption mechanism. The adsorption mechanism comprises a vibration assembly, a sweeping assembly, a leading-in assembly, a conveying assembly and a flow dividing assembly, the vibration assembly is arranged on the inner side of the adsorption tower body, the sweeping assembly is arranged on the inner side of the vibration assembly, the leading-in assembly is arranged on the inner side of the vibration assembly, and the conveying assembly is arranged on the top of the vibration assembly; the flow dividing assembly is arranged on the front side of the conveying assembly. The invention provides a self-cleaning circulating type industrial organic waste gas activated carbon adsorption tower which is provided with a structure for circularly cleaning and recycling residual impurities, so that the residual impurities on the surface of an activated carbon plate can be cleaned and recycled, and the long-term use stability of the activated carbon plate is improved.

The invention discloses a high-purity material pulverizing and conveying system, which belongs to the technical field of metal pulverizing and comprises a pulverizing production line, a conveying production line and a material storage tank. The pulverizing production line comprises a high-temperature smelting furnace and a pulverizing crucible; an automatic sealing cover is arranged at the top of the high-temperature smelting furnace, a smelting cavity of the high-temperature smelting furnace is connected with a nitrogen tank through a nitrogen pipe, and melt in the high-temperature smelting furnace is discharged into the powder preparation crucible through a heating type discharging pipe; the conveying production line comprises a powder recycling unit and a vacuum feeding machine. The high-temperature smelting furnace is filled with nitrogen and oxygen is isolated, the problem of oxidation of metal in the smelting process is greatly reduced or avoided, oxide floating and gathering are further avoided, the problem that a discharging pipe is blocked due to material blocking caused by oxide floating is solved, meanwhile, material output is constant through air pressure, and the production efficiency is improved. The discharging mode instead of a traditional mode of using a discharging valve is adopted for discharging, the problem that production is out of control due to the fact that high-temperature metal corrodes a control element of the discharging valve is thoroughly solved, the material output stability is high, and the production quality is improved.

The invention relates to the technical field of non-ferrous metal dust treatment, and provides a pneumatic cyclone tower for explosive aluminum magnesium dust treatment and a dust removal method of the pneumatic cyclone tower. The spraying tower is fixedly mounted at the top of the base, and the inner wall of the center of the spraying tower is rotationally connected with a long rod; the windmill blades are fixedly mounted at the top end of the long rod, and a water sprayer is fixedly mounted on the inner wall of the spray tower. The motor drives the long rod to drive the windmill blades to rotate, the windmill blades are matched with the water sprayer to form spiral rotating airflow, and the collision fusion efficiency of dust and liquid drops is improved; the long rod synchronously drives the scraping plate to scrape dust accumulated on the tower wall, multi-stage filtration is achieved in cooperation with the filter screen, and waste water is recycled through the water return pipeline. The scheme solves the problems that existing equipment is low in dust removal efficiency and difficult to clean, and has the advantages of being efficient, low in energy consumption and easy to maintain.

The invention relates to the technical field of flue gas purification devices, in particular to an air-quenching flue gas purification system and method, an air-quenching flue gas outlet is connected with a flue gas inlet of a flue gas cleaning chamber, and a discharge port of the flue gas cleaning chamber is connected with a feed port of a gas-liquid separator; a flue gas outlet of the gas-liquid separator is connected with the input end of the fan, and the output end of the fan is connected with the chimney; a liquid outlet of the gas-liquid separator is connected with a liquid inlet of the liquid collecting box, a liquid outlet of the liquid collecting box is connected with a liquid inlet of the reservoir, and a steam outlet of the liquid collecting box is connected with the gas-liquid separator; a liquid outlet of the reservoir is connected with an input end of the solution pump, an output end of the solution pump is connected with a circulating liquid pipeline, the first branch is connected with the liquid collecting box, the second branch is connected with the flue gas cleaning chamber, and the third branch is connected with the air quenching slag chamber. According to the invention, the capturing efficiency of dust and gas pollutants in flue gas is improved.

The invention relates to the technical field of cutting fluid separation and filtration, and discloses mist separation and filtration equipment for cutting fluid for photovoltaic silicon wafer production, which comprises a rack, a centrifugal tank body, a feeding shaft, a servo motor and a filter cartridge, a locking sleeve is installed on the feeding shaft, a plurality of fixed sleeves are fixedly installed on the locking sleeve, a sliding shaft body in sliding connection with the inner wall of each fixed sleeve is installed in the corresponding fixed sleeve, an annular disc frame is fixedly installed on each sliding shaft body, and a plurality of intercepting components are arranged between the annular disc frames and the fixed sleeves; according to the mist separating and filtering equipment for the cutting fluid for photovoltaic silicon wafer production, flow field parameters can be effectively changed by dynamically adjusting the radius of the intercepting part, optimization treatment on oil mist with different concentrations is achieved, the particle residence time can be prolonged through the intercepting part, and therefore collision polymerization between superfine particles and large particles is facilitated; therefore, the large particles can carry the superfine particles to be in contact with the filter cartridge, and are separated and filtered under the action of the filter cartridge.

The invention relates to the technical field of highway tunnel smoke exhaust systems, and discloses a bypass type smoke exhaust system suitable for extra-long and large municipal and highway tunnels, the bypass type smoke exhaust system comprises a ground, the upper side of the ground is fixedly connected with a tunnel body, and the left side of the interior of the tunnel body is fixedly connected with a connecting assembly; the connecting assembly is used for monitoring parameters such as smoke concentration and temperature in a tunnel in real time, a fixing box is fixedly connected to the left side of the upper portion of the ground, a partition plate is fixedly connected to the interior of the fixing box, a sealing ring is fixedly connected to the front side of the partition plate, and the sealing ring is fixedly connected to the front side of the interior of the fixing box; and a fixing frame is slidably connected to the interior of the sealing ring, and a filter screen is fixedly connected to the upper side of the interior of the fixing frame. Flue gas is effectively humidified and settled in the discharging process, the treatment effect of the smoke is further improved, the system can be adjusted in real time, and it is ensured that quick response is achieved when a fire disaster happens, and spraying of water mist is controlled.

The invention belongs to the technical field of dust falling devices, and particularly relates to an intelligent spraying dust falling device for building construction, which comprises a fence, a fixed plate and the like, a fixing plate is connected to the fence. The fixing plates are locked on the fence through the pin rods, every two adjacent water pipes are communicated through the corrugated pipes, water is conveyed into the water pipes, then the water flows into the corresponding guide pipes I along the water pipes and is finally sprayed out from the corresponding spray heads, and therefore spraying dust falling on a construction site is achieved; therefore, pipelines do not need to be additionally laid on the fences, the laying efficiency of the fences can be greatly improved, dust falling can be achieved, spraying dust falling can be conducted on dust drifting above the fences through the spray heads with upward openings, spraying dust falling can be conducted on dust drifting on the inner sides of the fences through the spray heads with downward openings, and the dust falling efficiency of the fences is improved. And therefore, the two spray heads on the same guide pipe I can perform spraying and dust falling on different areas.

The utility model discloses a biosafety cabinet capable of double-layer filtration, which comprises a cabinet body, an operation chamber is arranged in the cabinet body, and a bottom air duct is arranged at the bottom end of the operation chamber. By arranging the reducing pipe, the exhaust pipe, the exhaust outlet, the filter box, the exhaust filter, the air disc and the high alcohol, double-layer filtration of exhausted air is achieved, air can be exhausted into the reducing pipe through operation of the exhaust fan, airflow can be concentrated and pressurized through arrangement of the reducing pipe, meanwhile, the air is conveyed into the filter box, and the filtering effect is improved. The air disc divides air into a plurality of small bubbles and increases the contact area with the high-alcohol, the high-alcohol can kill bacteria in the air and adsorb particle dust and various suspended solids, then the air is conveyed into the air exhaust opening, secondary filtering is conducted when the air passes through the air exhaust filter, and the exhausted air is purified; therefore, the exhausted air does not carry germs, the environment is prevented from being polluted, and the use safety is improved.