Patent UA-96990-C2 (UA)
Title: Device for the treatment of liquid
Inventor: LUHOVSKYI OLEKSANDR FEDOROVYCH
IPC: C02F9/02
Filed: 2009-11-23
Abstract: The invention can be used in different branches of industry, particularly in process for the treatment and decontamination of liquids from microorganisms, suspended mechanical particles, oil products, organic chemicals and mineral salts, for the treatment of waste water, biological liquid media, milk, etc. A device for the treatment of liquid contains a hollow housing (1) with bottom (5) and lateral (2) surfaces, inside of which a filtering element (6) is fixed, dividing the housing cavity onto sewage (7) and outlet (8) chambers, arranged in such a manner that the sewage chamber (7) is attached to the bottom surface (5) of the package. The inlet nozzle (9) is connected to the sewage chamber (7), and the outlet nozzle (10) is connected to the outlet chamber (8). A sludge tank (11) is connected to adjoining to the bottom surface (5) part of the sewage chamber (7). An ultrasonic radiator (12) with a speed transformer (13) is connected to an electric vibration generator and mounted on the housing in nodal part of the standing strain wave in the speed transformer so that a radiating end (14) of the speed transformer (13) is directed to the bottom surface (5) of the housing and fixed lower the outlet nozzle (10) of the housing. The novel is that the housing (1) is made extended tubular, in the holder area of the speed transformer (13) above the outlet nozzle (10) an air cavity (15) is made, the filtering element (6) contains a part of the surface (16), which receives radiation directly from the radiating end (14) and fixed parallel to the bottom surface (5) of the housing. The radiating end (14) of the speed transformer (13) is made with the possibility of creation of longitudinal piston vibrations, normally directed to said part (14) of the surface of filtering element (6) and bottom surface (5) of the housing, and placed in outlet chamber (8) over the filtering element (6) opposite the part (16) of its surface, receiving the radiation. The distance between the radiating end (14) of the speed transformer (13) and the bottom surface (5) of the housing is multiple to unpaired number of a quarter of length of ultrasonic waves in liquid, and all inner reflecting end surfaces, which together with the lateral surface (2) of the housing form the housing cavity, and the part (16) of the surface of filtering element, which receives radiation, fixed against the bottom surface (5) at a distance, multiple to the paired number of a quarter of a length of ultrasonic waves in liquid. The speed transformer (13) is made stepped, the step of the small diameter is made extended and multiple to unpaired number of a quarter of a length of longitudinal ultrasonic strain wave in material of the speed transformer, but in placement area of crests of the strain wave on the step of the small diameter disk elements (19) are made, the thickness of which is considerably less than a quarter of a length of the strain wave in material of the speed transformer, but the diameter is considerably less than half of a length of the strain wave in material of the speed transformer. Additionally the inlet nozzle (9) is fixed tangentially to the housing near the bottom surface (5), at that liquid movement in the housing cavity is in the clockwise direction from the side of the bottom surface.