Abstract: In flue-gas desulfurization equipment, in order to gypsumize sulfur dioxide in a byproduct at approximately 100% and to make desulfurization rate approximately 100%, the flue-gas desulfurization equipment (1) according to the present invention is provided with a basket-shaped rotation cylinder (20) arranged in the fixing duct (10) in a state of being supported rotatably around a horizontal shaft (21), a rotation packed bed (30) formed by filling fillers for gas-liquid contact in the basket-shaped rotation cylinder (20), a slurry storage tank (40) having plural communication storage sections (41) located below the rotation packed bed (30) and divided by separation plates (43) each of which has a communication part (43a), and slurry spraying means (63) which are provided corresponding to the plural communication storage sections (41) and which spray the absorbent slurry extracted from the corresponding communication storage sections (41) to upper parts of the communication storage section (41) in the rotation p

Abstract: The present invention is to provide an air cleaning method and device that realize sufficient purification of polluted air, high-efficiency removal of germs or the like from polluted air, and has a relatively simplified structure.

Abstract: An air washer adsorbs outside contaminated air to disks, which have water films formed thereon, and settles contaminants in water in a water reservoir, thus purifying and humidifying air.

Abstract: This invention relates to a wet type centrifugal “filter less” air cleaner utilizing a labyrinth effect on the basis of spiral grooves for generating vortex flow, thus the separation of particular dust, mist can be absolutely, above 99.9% purified from air with the difference of specific gravity, 1:1000 between air and water under centrifugal force, 10000G-80000G after collecting pollution substances from air with an aqua viscosity of water mist. An wet type air cleaner utilizing a centrifugal impeller comprising: spiral grooves (416), a spin vaporizer (401) for large size, an ultra sonic vaporizer (482) for small size, an electric motor (433) with a centrifugal impeller 408, a drain trap (441) and humidity controller (442) installed on an exit pipe (432) etc.

Abstract: A scrubber removes dust from an exhaust gas. The scrubber includes a casing having an exhaust gas inlet and an exhaust gas outlet, an impeller housed in the casing and supported by a shaft, and a cleaning liquid supply tube for ejecting a cleaning liquid by which the dust contained in the exhaust gas is captured. The scrubber further includes a plurality of protrusions provided around the impeller such that the exhaust gas and the cleaning liquid which are discharged from the impeller impinge upon the protrusions.

Abstract: A wet type air cleaner includes a purification unit installed in a housing. The purification unit includes a blower unit for directing air to cleaning water in the bottom of the housing, an inner guide for drawing up the cleaning water in the bottom of the housing, and a nozzle portion for radially dispersing the cleaning water drawn up by the inner guide. The air directed by the blower unit flows through the dispersed cleaning water. An outer guide is disposed for guiding the directed air and the dispersed cleaning water into the cleaning water in the bottom of the housing. The blower unit, the inner guide and the outer guide are together rotated by a driving unit. The inner guide has a central portion and a spiral guide portion disposed on an outer surface of the central portion.

Abstract: A wet type air cleaner includes a purification unit which includes an inner guide portion for drawing a cleaning water upward, a water jetting nozzle for injecting the cleaning water drawn thereto through the inner guide portion, and a blower for drawing air downward. An outer guide portion is separately installed at an outside of the inner guide portion and with a gap therebetween to allow the air downwardly drawn by the blower and the droplets injected from the water jetting nozzle to flow into the cleaning water. The inner guide portion has a guide formed on its inner wall for upward drawing of the cleaning water and the outer guide portion has a guide formed on its inner walls for downward drawing of the air.

Abstract: A compact and energy-efficient polluting gas desulfurization apparatus which reduces gas flow pressure loss and the consumption of electrical power. A drum is rotationally supported at its radial center by a horizontal shaft within a fixed duct having a gas inlet port at one end and a gas outlet port at the other end. The right and left sides of the drum and its circumferential surface are lattice-like structures, and the internal space of the drum is filled with gas-liquid contact filler pieces. A slurry holding tank is disposed beneath the rotating drum. Slurry, which is pumped upward by a circulation system, is discharged onto the top of the circumferential surface of the drum at a point offset from the horizontal shaft along the radial axis, thus forming a mechanism able to rotate the drum from the weight of the slurry only and thus eliminating the need for an electric motor.

Abstract: A wet type air cleaner includes a housing accommodating therein water; a blower having a fan for downwardly transferring air, installed above the water in the housing; an outer guide portion for transferring the air downwardly transferred by the blower into the water, connected to the blower as a unit; a driving unit for rotating the blower and the outer guide portion as a unit; and a plurality of discharge holes formed on a circumferential bottom surface of the outer guide portion. The air downwardly transferred by the blower is dispersed into the water in the housing through the discharge holes.

Abstract: A system and a device that are used for liquid-gas phase mass transfer with elimination of contaminants. The systems includes a plurality of liquid membrane-producing cells. Upon contact, the liquid membranes collapse with a gas stream and the collapsed liquid material covers the suspended particles, and eliminates them by decantation. Moreover, the membrane cells increase the speed of the gas stream and cause the gas stream to hit the surface of the liquid at an incident angle of 45°, which serves to improve the transfer of vapor into the gas.

Abstract: A wet type air cleaner includes a cylindrical housing provided with an air inlet at a top surface thereof and at least one of air outlets at a lateral surface thereof, for storing cleaning water in a bottom portion thereof, a blower unit including a fan having a spray unit incorporated thereon, for sending indoor air introduced through the air inlet downward while dispersing the cleaning water, and a water supply unit for supplying the cleaning water contained in the housing to the fan, to thereby allow the cleaning water to be sprayed to contact the air introduced through the air inlet, while adsorbing foreign substances contained in the air.

Abstract: The direct contact liquid air contaminant control system and method to revitalize air by removal of carbon dioxide and other trace gas contaminants use a direct contact air, liquid scrubber element and stripper element. The scrubber element has two rotor elements rotatably mounted in a housing first for centrifugal separation of an air flow and liquid absorbent mixture which liquid absorbent has absorbed carbon dioxide and trace gas contaminants. Then second for centrifugal separation of an air flow and acid water wash mixture which acid water wash has liquid absorbent and other contaminants. The processed air is then passed through a charcoal bed filter for further removal of contaminants. A rotary contact processor may also be used to reprocess contaminated liquid absorbent for reuse.

Abstract: A method and apparatus for cleaning a gas comprising a rotatable centrifugal cylinder having passageways for flowing a gas stream with a liquid stream through the cylinder to centrifugally remove the particulates from the gas stream with the liquid stream; turbine blades positioned inside the cylinder and connected to the cylinder to rotate the cylinder when the liquid stream flows through the turbine blades; fan blades positioned inside the cylinder and connected to the cylinder to rotate with the cylinder to pump the gas stream through the cylinder; and a pump connected to a reservoir of liquid, for pumping the liquid stream.

Abstract: A washable air filter for an internal combustion engine which has high durability and can be washed with ease to reuse it is disclosed. The washable air filter includes an outer cylindrical member 10; an inner cylindrical member 11; a first filter element 30 formed from a stainless mesh sheet which is folded in a pleated-form having peaks and valleys arranged alternately and provided between the outer cylindrical member 10 and the inner cylindrical member 11; and a second filter element 33 provided between the outer cylindrical member 10 and the first tilter element 30. Since the washable air filter uses the filter element made from the stainless mesh sheet, it is possible to effectively remove dust particles from air. Further, the washable air filter can be reused because dust particles are removed off the filter element by washing after use.

Abstract: A method for cleaning air and an air cleaner utilizing it are disclosed, by which the air cleaner can be made smaller than the conventional air cleaners when the performances are the same. According to the method of the invention, a filter formed on peripheral portion of a disk is formed along the peripheral portion of the disk so as to surround inside area of the disk is rotated, which filter is bent into wave-shape such that irregularities of the wave are formed in radial direction of the disk, thereby discharging air existing on the inside area of the disk to outside of the disk through the filter.

Abstract: A device for treatment of a gas stream includes one or more entities (3) having functional elements (10, 20, 110, 200, 230, 310, 320, 330, 400) that are attached to, and able to rotate with, a hollow axle (4). The device also includes one or more pipes (5) mounted axially inside the hollow axle for transportation of necessary auxiliary fluids to effect the gas treatment.

Abstract: A scrubber including a casing having an exhaust gas inlet and an exhaust gas outlet. An impeller is mounted in the casing, and the impeller is rotatable about its own axis. An exhaust gas can be introduced into the center of the impeller through the exhaust gas inlet of the casing. A cleaning liquid discharge nozzle is positioned at the center of the impeller for spraying a cleaning liquid in the impeller. Also, a baffle member is spaced apart from and surrounds the impeller. A mixture of the exhaust gas and the cleaning liquid exiting the impeller impinges on the baffle member. The cleaning liquid discharge nozzle is provided inside and rigidly connected to the impeller so as to rotate together with the impeller. The nozzle has a plurality of cleaning liquid discharge orifices extending radially through a cylindrical wall thereof to discharge a cleaning liquid into the impeller.

Abstract: A waste gas treatment system has a primary cooling section provided at a stage subsequent to a decomposition treatment section in which a waste gas is subjected to decomposition treatment at high temperature. The primary cooling section has a liquid spray part for spraying a liquid on the treated gas from the decomposition treatment section. A secondary cooling section cools the treated gas sprayed with the liquid in the primary cooling section to reduce the volume of the treated gas. Further, a particle collecting section injects a liquid into the treated gas cooled in the secondary cooling section to collect fine particles contained in the treated gas.

Abstract: A scrubber comprises a casing having an exhaust gas inlet and an exhaust gas outlet; an impeller mounted in the casing, and which is rotated about its own axis, an exhaust gas introduced into the center of the impeller through the exhaust gas inlet of the casing; a cleaning liquid discharge nozzle positioned at the center of the impeller to spray a cleaning liquid in the impeller; and, a baffle member spaced apart from and surrounding the impeller on which a mixture of the exhaust gas and the cleaning liquid exiting the impeller impinges. The cleaning liquid discharge nozzle is provided inside and rigidly connected to the impeller to rotate together with the impeller. The nozzle has a plurality of cleaning liquid discharge orifices extending radially through the cylindrical wall thereof to discharge a cleaning liquid into the impeller.

Abstract: A cassette suitable for the sampling of ambient air to determine if it contains particulate matter made up of an in-port cap that has a detachable tubing extending therefore; an intake cap longitudinally attached to the in-port cap; a cassette insert longitudinally attached to the intake cap on a side thereof opposite to the side of the intake cap attached to the in-port cap; a filter assembly longitudinally proximate to an end of the cassette passageway opposite to the end attached to the intake cap, and in operative relationship with the cassette passageway such that air passing through the cassette passageway must pass through said filter; and air exit means longitudinally attached to the cassette insert and housing the filter assembly, wherein said cassette passageway comprises a substantially circular entry end proximate to said intake cap and an elongated end proximate to said filter assembly; wherein the intake cap has at least one internal passageway communicating with the detachable tubing and commun

Abstract: A centripetal demister system and method for the removal of moisture from a moisture laden gas stream using both centrifugal and centripetal force to shear the moisture from a inlet gas, the centripetal force also directing the inlet gas radially inward for collecting the demisted gas. The present invention is particular useful for removal of environmentally harmful particulates contained within the moisture laden gas stream, the particulates and moisture being force against the interior of the housing by centrifugal force while the demisted gas is drawn radially inward by centripetal force.

Abstract: A transpirated wall aerosol collection system includes a collector operable to receive a gas flow containing particulate matter. The system also includes a porous wall having a first surface and a second surface. The porous wall is operable to transpire a liquid from the first surface to the second surface. Particulate matter contained in the gas flow is deposited in the liquid on the second surface of the porous wall. A virtual impactor may be used with the system for concentrating the particulate matter contained in the gas flow.

Abstract: A device for simultaneously filtering and humidifying an air flow uses an outer casing having a rotatable, reticulated filtering element. The air flow enters the casing and must pass through the filtering element by making abrupt change in directions. Particles in the air flow, due to their greater inertia, will not be able to follow the air flow and, therefore, will not pass through the filtering element. There are expelled through an opening. The air flow exists through an outlet that is within the perimeter of the filtering element. A water projector serves to both humidify the air flow and wetten the filter elements surface in order to capture particles in the air flow.