65results about How to "Handling large air volume" patented technology

The invention discloses a dust removing system for a fully-mechanized coal mining workface. The system includes a dust control system installed on one side of a roadheader, a dust suction system and a dust collecting system installed on the other side of the roadheader, wherein the dust control system comprises a press-in type fan, a press-in type air duct and a wall-attached air duct which are connected with each other in turns; the dust suction system comprises a first suction hood for sucking dust on the cutting head position of the roadheader, a second suction hood for sucking dust on the insertion board position of the roadheader, a third suction hood for sucking dust on the break-of-bulk-point position of a scraper conveyor and belt conveyor, a dust suction air duct and a suction hood assembly box, and the first suction hood, the second suction hood, the third suction hood and the dust suction air duct are all connected to the suction hood assembly box; the dust collecting system comprises an extraction type air duct, a dust remover and an extraction type fan which are connected with each other in turns, and the extraction type air duct is connected to the suction hood assembly box. The dust removing system for the fully-mechanized coal mining workface can effectively control diffusing and spreading of dust in underground roadways, has a good dust suction effect and high dust collecting efficiency, and can greatly reduce the dust concentration of the fully-mechanized coal mining workface.

The invention relates to a dish type gas decontamination device which comprises a rotating motor. The rotating motor is connected with a rotating shaft, two ends of the rotating shaft are respectively connected with a dish type housing, a gas phase inlet and a gas outlet are formed in two ends of the dish type housing respectively, a liquid distributor is arranged on the shaft wall of the rotating shaft, the tail end of the rotating shaft is connected with a rotating connector, a liquid outlet is formed in the lower end of the dish type housing, the rotating connector is connected with a liquid inlet, and ratable blades and splitter blades are arranged on the rotating shaft. The dish type gas decontamination device can be used for treating dust-containing poisonous and harmful gas, provides a technical guarantee for hazardous chemical leakage and other accidents, aims at dust-containing harmful gas and does not produce dust accumulation or scaling while ensuring a decontamination effect. In addition, the device is simple in structure, strong in stability and large in treating air volume.

The present invention relates to a viscose fiber production process exhaust gas treatment method, and belongs to the technical field of textile industry exhaust gas treatment. Viscose fiber production process exhaust gas is washed with a first-stage alkali spray tower, then enters a low-temperature plasma apparatus for treatment, then enters a catalytic oxidation treatment bed for exhaust gas catalytic oxidation treatment, and finally is introduced by a glass fiber reinforced plastic centrifugal fan into a second-stage alkali spray tower for absorption of residual small molecules in the exhaust gas. Through the above process, carbon disulfide and hydrogen sulfide exhaust gases can be decomposed into CO2, H2O, N2 and other harmless substances, and are discharged up to standards.

The invention discloses a hyperlow density discharge electric dedusting device of industrial smoke, which comprises the following parts: box body, intake box and ventilating box at two ends of box, ash bucket at lower part of the box, permeability dust collection block and corona discharge wire in the box body, absorbent electric field with multiple transverse dust collection grids in perpendicular to flow moving direction with equal distance and paralleling alternatively, deashing beating device on the corona discharge wire and dust collection board separately, wherein the dust collection board has multiple ventilation holes; one or more block grid net is set in each block grid of absorbent electric field with damper to seal air-out end at air-out position. The invention eliminates sub-micron graded smoke particle effectively to avoid secondary dust to reduce bulk and cost.

The invention discloses a dust collection filter. The dust collection filter comprises a barrel body, wherein a spherical-crown-shaped end socket is arranged above the barrel body; an dust bucket is connected below the barrel body; a dust outlet is formed in the bottom of the dust bucket; a pure gas outlet is formed in the upper part of the outer wall of the barrel body; a dust inlet is formed in the lower part of the outer wall of the barrel body; the barrel body is internally provided with a pattern board; the pattern board is used for dividing the inner cavity of the barrel body into a cleaning chamber and a filtering chamber which are distributed up and down; each of the cleaning chamber and the filtering chamber is provided with a micro-differential pressure sensor; the pattern board is provided with a cage keel in a suspension manner and the cage keel is sleeved by a filtering bag; the outer wall of the barrel body is provided with a pulse dust cleaning device and a control cabinet; and the micro-differential pressure sensors are electrically connected with the control cabinet. The dust collection filter has the advantages of simple structure, reasonable design, good dust cleaning effect, high purification efficiency, great air treatment quantity, long service life of the filtering bag, small working amount for maintenance, and safety and reliability in operation.

The invention discloses a combined type cloth bag dust remover which comprises a plurality of cloth bag dust remover units, wherein each cloth bag dust remover unit comprises a barrel body; an overhaul platform is mounted at the top end of each barrel body; the bottom of each barrel body is connected with an ash bucket; pattern plates are arranged in the barrel bodies and divide the inner cavities of the barrel bodies into clean chambers and filtering chambers, which are distributed up and down; the clean chambers are communicated with purified air outlets; the pattern plates are provided with cage keels in a hanging manner; filtering bags sleeve the cage keels; pulse ash cleaning devices are mounted on the outer walls of the barrel bodies. The combined type cloth bag dust remover is simple in structure, and the cloth bag dust remover units can be combined according to a production requirement, so that the type selection is convenient; once one of the cloth bag dust remover units is faulted and needs to be maintained, the unit only needs to be stopped, and other units continuously work; therefore, influence on the production is avoided, and the faulted unit is convenient to maintain.

A centrifugal cleaning apparatus for the air or fume, such as treating oil soot, exchanging air, and desulfurizing fume, features that at least one rotary netted filter disc is arranged to the axle of a motor in an air guiding cylinder. Said rotary netted filter disc is composed of a disc skeleton and a radiant filtering net wound uniformly on said disc skeleton. A method for preparing said rotary netted filter disc is also disclosed.

The invention discloses an energy-saving cyclone dust collector. The energy-saving cyclone dust collector comprises a separating barrel, wherein the separating barrel comprises an upper cylindrical barrel body and a lower inverted-conical barrel body; an air inlet pipe is tangentially mounted on the cylindrical barrel body; a cylinder opening in the bottom end of the inverted-conical barrel body is a powder outlet; an inner separating barrel is coaxially arranged in the cylindrical barrel body; an annular cavity is formed between the inner separating barrel and the cylindrical barrel body; anexhaust pipe is arranged in the separating barrel; the upper end of the exhaust pipe coaxially extends into the inner separating cylinder; the lower end of the exhaust pipe is bent, then led out of the inverted-conical cylinder body and connected with an air inducing device; and an air guiding and dust blocking plate capable of guiding inlet air of the annular cavity into the inner separating barrel and preventing dust in the inverted-conical barrel body from flowing back to the inner separating cylinder is coaxially arranged on the exhaust pipe outside the inner separating cylinder. The energy-saving cyclone dust collector can solve the problems that an existing dust remover is large in energy consumption, low in separation efficiency and not thorough in separation, can save energy, and improves the separation efficiency.

The invention provides a system and method for exhausted air sterilization and aeration and comprehensive heating disinfection of a highly-contaminated building space. The system comprises a contaminated area negative pressure metal ventilation pipe, any position thereon communicates with an inlet end of a high-resistance thermal-insulation-layer-carried ventilation pipeline, an outlet end of thehigh-resistance thermal-insulation-layer-carried ventilation pipeline is connected to an inlet end of an outdoor negative pressure metal ventilation pipe through an electric anti-backflow valve, and an outlet end of the outdoor negative pressure metal ventilation pipe is connected with an exhaust port of a high-efficiency variable-frequency fan. Various virus killing devices are sequentially disposed at the rear end of the high-efficiency variable-frequency fan. The system disinfects the air that may contain viruses in the highly-contaminated building space at high temperature through an electric heating pipeline and then guides the air that is disinfected at high temperature to the various outdoor virus killing devices through negative pressure pipelines to diversely and thoroughly disinfect the guided air, thereby thoroughly removing viruses in the air in the highly-contaminated building space.

The invention provides a high-contamination exhaust multi-disinfecting-killing system and method. The system comprises a contaminated area negative-pressure metal vent pipe, any position on the contaminated area negative-pressure metal vent pipe communicates to the inlet end of a high-resistance tape heat insulating and insulating layer vent pipeline, the outlet end of the high-resistance tape heat insulating and insulating layer vent pipeline is connected to the inlet end of an outdoor negative-pressure metal vent pipe through an electric anti-backflow valve, and the outlet end of the outdoornegative-pressure metal vent pipe is connected to an exhaust port of an efficient variable-frequency fan. Multiple virus disinfecting and killing devices are sequentially arranged at the rear end ofthe efficient variable-frequency fan. Firstly, air probably containing viruses in high-contamination building spaces is disinfected and killed at high temperature through an electric heating pipeline,then the air disinfected and killed at high temperature is exhausted to the outdoor multi-virus disinfecting and killing devices through a negative-pressure pipeline, the introduced air is completelydisinfected and killed diversely, and therefore the viruses in the air of the high-contamination building spaces can be completely removed.

The invention discloses a rotary strainer disk used for a range hood, comprising an outer rotary table and an inner rotary table which are connected together through a support rod; a strainer formed by strainer-mesh is arranged between the inner rotary table and the outer rotary table. By adopting the structure, the invention is provided with reasonable design, convenient mounting and maintenanceprocess and low manufacturing cost; the air resistance is small and the disposed air flow is big during running; the oil-smoke containing a plurality of volatile solids can be filtered and cleaned, and the filtering and cleaning efficiency generally can reach more than 90 percent.

The invention provides a long-bag low-pressure pulse bag type dust remover, which comprises a dust remover body and a dust hopper, wherein the dust hoop is positioned under the dust remover body and is connected with the dust remover body; a screening assembly used for screening coarse particle dust is arranged in the dust hopper; the screening assembly comprises a collection box body arranged in the dust hopper in an inclined way; an inflating box with ventilation cloth is arranged at the bottom of the collection box body; an air inlet pipe is arranged on the inflating box body; the air inlet pipe is connected with an air outlet pipe of a Roots blower arranged outside the dust hopper. The long-bag low-pressure pulse bag type dust remover provided by the invention has the advantages that the coarse particle dust can be screened out and can be discharged in a concentrated way after the collection; the pipeline blockage in the subsequent work procedure can be prevented; meanwhile, the characteristics of great treatment air quantity, small occupied area and low energy consumption are realized.

The invention provides an exhaust aeration disinfection and sterilization system and method for a high-pollution building space. The system involves a polluted area negative pressure metal ventilationpipe, wherein any position of the polluted area negative pressure metal ventilation pipe communicates with the inlet end of a high-resistance ventilation pipeline with a thermal isolation and insulation layer, and the outlet end of the high-resistance ventilation pipeline with the thermal isolation and insulation layer is connected to the inlet end of an outdoor negative pressure metal ventilation pipe through an electric backflow prevention valve; and the outlet end of the outdoor negative pressure metal ventilation pipe is connected to an extraction opening of an efficient variable-frequency fan, and a plurality of virus disinfection and sterilization devices are sequentially arranged at the rear end of the efficient variable-frequency fan. According to the exhaust aeration disinfectionand sterilization system and method for the high-pollution building space, air possibly containing viruses in the high-pollution building space is subjected to high-temperature disinfection and sterilization through an electric heating pipeline firstly, then the air subjected to high-temperature disinfection and sterilization is guided to the outdoor through a negative pressure pipeline, and theplurality of virus disinfection and sterilization devices carry out diversified thorough disinfection and sterilization on the introduced air so that the viruses in the air in the high-pollution building space can be thoroughly removed.

The present invention relates to a viscose fiber production process exhaust gas treatment method, and belongs to the technical field of textile industry exhaust gas treatment. Viscose fiber production process exhaust gas is washed with a first-stage alkali spray tower, then enters a low-temperature plasma apparatus for treatment, then enters a catalytic oxidation treatment bed for exhaust gas catalytic oxidation treatment, and finally is introduced by a glass fiber reinforced plastic centrifugal fan into a second-stage alkali spray tower for absorption of residual small molecules in the exhaust gas. Through the above process, carbon disulfide and hydrogen sulfide exhaust gases can be decomposed into CO2, H2O, N2 and other harmless substances, and are discharged up to standards.

The invention discloses a cyclone dust collector. The cyclone dust collector comprises a cyclone dust collector body and a support frame used for supporting the cyclone dust collector body; the top of the cyclone dust collector body is provided with an air outlet bend pipe, the middle and upper end of the cyclone dust collector body is provided with an air inlet, and the bottom of the cyclone dust collector body is provided with a flue-dust retainer with an inverted-splayed vertical section; cyclones are arranged in the cyclone dust collector body and at the air inlet of the cyclone dust collector body respectively; and the diameter of the air outlet bend pipe is 1 / 2-1 / 3 of the diameter of the top of the cyclone dust collector body, and the shape of the vertical section of the cyclone dust collector body below the air inlet sequentially transmits from the inverted-splayed shape to a inverted-splayed and then is connected with the flue-dust retainer with an inverted-splayed vertical section. The cyclone dust collector realizes thorough dedusting, has a dedusting efficiency of above 90%, has a large air treatment capacity reaching 28000-50000m<3> / h, has a strong treatment capability, can treat a gas with the dust content of 1000g / m<3>, and has the advantages of simple structure, making convenience and low cost.