Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).

Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.

Abstract: In a screw-coupling structure between an internally-threaded body and an externally-threaded body, for connecting reinforcing bars: the internally-threaded body includes, on the inner diameter thereof, a parallel-tapered-integrated internal thread section formed by integrating a parallel internal thread section formed as a parallel screw thread, with a tapered internal thread section formed on one end of the parallel internal thread section so that the minor diameter thereof gradually narrows; and the externally-threaded body comprises, on the outer diameter thereof, a parallel-tapered-integrated external thread section formed by integrating a parallel external thread section formed as a parallel screw thread, with a tapered external thread section formed on one end of the parallel external thread section so that the major diameter thereof gradually narrows.

Abstract: The present disclosure provides a heavy-duty tire including: a tread part configured to come into contact with a road surface; a steel belt part including one or more steel belts formed inside the tread part; and a reinforcing belt part inserted between the one or more steel belts or between the tread part and the steel belt part, in which the reinforcing belt part is manufactured as a rolling product made by winding a steel cord in a circumferential direction of the tire.

Abstract: A tire that can attach and detach and that can prevent splash when running a wet road and cool discharging a heat is provided. The tire having a tread and a shoulder portion connected to the tread includes a protector portion provided in a circumferential direction at a side surface of the shoulder portion and in which a plurality of penetration portions are formed at a predetermined gap in a length direction; a plurality of protruding portions provided in the protector portion and formed at a predetermined gap in a length direction of the protector portion; and a plurality of installation grooves formed at a side surface of the shoulder portion such that the protruding portion attaches or detaches when the protruding portion enters or discharges.

Abstract: Disclosed is a centrifugal filtration apparatus including a casing, a shaft, a stand tube, a rotor, and a stereoscopic filter. The shaft is vertically installed in the casing and guides a fluid to an upper end of the casing. The stand tube rotates about the shaft and sprays the fluid to the upper end of the casing. The rotor rotates along with the stand tube and forms a space in the casing to receive and filter the fluid sprayed from the stand tube. The stereoscopic filter includes a plate member and wire members. The plate member is rolled up around the stand tube and is installed in the rotor. The wire member is installed between layers of the plate member to secure a gap between the layers of the plate member and forms a filter layer to filter the fluid that flows between the layers of the plate member.

Abstract: A tire that can attach and detach and that can prevent splash when running a wet road and cool discharging a heat is provided. The tire having a tread and a shoulder portion connected to the tread includes a protector portion provided in a circumferential direction at a side surface of the shoulder portion and in which a plurality of penetration portions are formed at a predetermined gap in a length direction; a plurality of protruding portions provided in the protector portion and formed at a predetermined gap in a length direction of the protector portion; and a plurality of installation grooves formed at a side surface of the shoulder portion such that the protruding portion attaches or detaches when the protruding portion enters or discharges.

Abstract: A centrifuge able to discharge moisture through a separate moisture outlet by separating moisture from oil when spraying oil through a nozzle of a rotor, thereby removing moisture from oil without using a separate skimmer, and a purifier system including the same. The centrifuge includes a casing, a shat, a stand tube and a rotor. The casing has an oil inlet, an oil outlet, a moisture outlet and an air inlet. Moisture separated from oil sprayed through a nozzle of the rotor is discharged along with air out of the casing through the moisture outlet. An amount of air identical to the amount of the air discharged through the moisture outlet is introduced into the casing through the air inlet.

Abstract: A cover for a centrifugal filter, in which when water separated from oil is discharged through outlets provided in covers, can reduce the amount of oil leaking out with mixed gas and water. The cover constitutes the centrifugal filter by covering a rotor that rotates so as to filter impurities contained in oil by using a centrifugal force. The rotor is provided with at least one nozzle through which filtered oil is jetted. The cover includes: an inner cover configured to cover the rotor and including a first outlet and a first inlet; an outer cover provided outside the inner cover; and an oil leak prevention member provided in the first outlet.

Abstract: A rebar connector having a pair of locking pieces includes: a first rebar and a second rebar to be connected to each other; a first connecting member having a center hole, receiving the first rebar from a first side, having a first coupling hole at a second side, and having a threaded portion on the outer side; a second connecting member having a center hole, receiving the second rebar through a first side, and having a second coupling hole at a second side; a first locking piece coupled to the first coupling hole; a second locking piece coupled to the second coupling hole; and a locking socket locked at a predetermined position on the second connecting member, covering an outer side of the second connecting member, and having a female threaded portion on an inner side to be thread-fastened to the male threaded portion of the first connecting member.

Abstract: Disclosed is a centrifugal filtration apparatus including a casing, a shaft, a stand tube, a rotor, and a stereoscopic filter. The shaft is vertically installed in the casing and guides a fluid to an upper end of the casing. The stand tube rotates about the shaft and sprays the fluid to the upper end of the casing. The rotor rotates along with the stand tube and forms a space in the casing to receive and filter the fluid sprayed from the stand tube. The stereoscopic filter includes a plate member and wire members. The plate member is rolled up around the stand tube and is installed in the rotor. The wire member is installed between layers of the plate member to secure a gap between the layers of the plate member and forms a filter layer to filter the fluid that flows between the layers of the plate member.

Abstract: The present invention relates to a cover for a centrifugal filter, and is intended to propose a cover for a centrifugal filter, in which when water separated from oil is discharged through outlets provided in covers, the cover for the centrifugal filter can reduce the amount of oil leaking out with mixed gas and water. According to the present invention, there is provided a cover for a centrifugal filter, the cover constituting the centrifugal filter by covering a rotor that rotates so as to filter impurities contained in oil by using a centrifugal force, the rotor being provided with at least one nozzle through which filtered oil is jetted, the cover including: an inner cover configured to cover the rotor, the inner cover including a first outlet and a first inlet; an outer cover provided outside the inner cover; and an oil leak prevention member provided in the first outlet.

Abstract: The present invention provides a hybrid centrifugal filter including: a casing having a fluid inlet and a fluid outlet; a shaft vertically disposed in the casing and guiding fluid, which flows inside through the fluid inlet, into the casing; a stand tube being rotatable about the shaft and injecting fluid flowing in the casing through the shaft; a rotor disposed in the casing to form a space for filtering the fluid injected from the stand tube by rotating with the stand tube, and having nozzles injecting the filtered fluid into the casing; and a filtering unit elongated in a longitudinal direction of the shaft, disposed in the rotor to divide an inside of the rotor into an upper space and a lower space, and having a plurality of fluid holes for guiding the fluid injected in the upper space from the stand tube into the lower space.

Abstract: The present invention relates to a socket fastening-type reinforcing bar connector using a binding end member and, more particularly, a reinforcing bar connector is disclosed wherein binding end members are bound to reinforcing bars, in order to facilitate processes for joining reinforcing bars, which are the foundation of reinforced concrete, and processes for joining between reinforcing bar cages, such that reinforcing bars having adjacent ends can be precisely connected mechanically through simple socket fastening.

Abstract: A centrifuge able to discharge moisture through a separate moisture outlet by separating moisture from oil when spraying oil through a nozzle of a rotor, thereby removing moisture from oil without using a separate skimmer, and a purifier system including the same. The centrifuge includes a casing, a shat, a stand tube and a rotor. The casing has an oil inlet, an oil outlet, a moisture outlet and an air inlet. Moisture separated from oil sprayed through a nozzle of the rotor is discharged along with air out of the casing through the moisture outlet. An amount of air identical to the amount of the air discharged through the moisture outlet is introduced into the casing through the air inlet.

Abstract: A cooling utensil has developed for anti freezing crack and distortion to serve a food or beverage, comprising that: first member formed dual container with opening, on outer lateral surface of outer container formed male thread, cavity between the inner and outer container filled water or coolant; inner container is for containing the served food; second member opposite the first member forms female thread on inside lateral surface for mating to the mail thread of the first member; elastic plate disposed between the first and second members for removable sealing the cooling cavity. The elastic plate has properties of flexibility, restoring capability. The cavity is fully-filled water or coolant to constantly contact with the inner surface of food containing portion, which has either one of dual cylindrical, dual square or other pitcher-shaped containers. The cooling cavity allows the coolant expanding when it freezes, so the utensil prevents from the freezing crack or distortion.

Abstract: Disclosed herein is a centrifugal filter. The centrifugal filter includes a shaft, a rotor housing which rotates around the shaft and has filter paper on the inner side surface thereof, a spindle tube which rotates along with the rotor housing around the shaft and discharges the fluid from the shaft into the rotor housing, and a separation film which separates an internal space of the rotor housing into upper and lower portions so that impurities that are removed from the fluid by means of centrifugal force are deposited in the upper portion of the internal space while filtered fluid flows into the lower portion of the internal space. A dispersing means is provided on the spindle tube to make a cross-sectional shape of the fluid discharged from the spindle tube into the rotor housing be an elongated shape so that the fluid is widely dispersed into the rotor housing.

Abstract: Disclosed herein is a centrifugal filter. The centrifugal filter includes a shaft, a rotor housing which rotates around the shaft and has filter paper on the inner side surface thereof, a spindle tube which rotates along with the rotor housing around the shaft and discharges the fluid from the shaft into the rotor housing, and a separation film which separates an internal space of the rotor housing into upper and lower portions so that impurities that are removed from the fluid by means of centrifugal force are deposited in the upper portion of the internal space while filtered fluid flows into the lower portion of the internal space. A dispersing means is provided on the spindle tube to make a cross-sectional shape of the fluid discharged from the spindle tube into the rotor housing be an elongated shape so that the fluid is widely dispersed into the rotor housing.

Abstract: The present invention relates to a cooling utensil, which is a proof of freezing-crack and distortion. More particularly, an internal cavity of the utensil is fully filled the water to freeze in the freezer for cooling the serving food, such as a law fish, fruit, cold noodle or beer to feel fresh and tasty. For using the cooling bowl, the cooling cavity is filled the water or coolant for freezing. The cooling bowl is using for serving food. The cooling cavity is formed between the upper part and the lower part. The lower part is used a base to support the upper part. The upper part has same shape and size of the lower part for placing over the lower part. The elastic plate having flexibility and elastically restoring force is attached to the lower part, the upper part for assembling. Further, the cooling bowl having a cooling cavity is filled the water or coolant and freeze to use serving food.

Abstract: Use of a biocompatible dye, for example patent blue V or brilliant blue R, for the production of a dye agent for non-cytotoxic visualisation of cells, in particular delimiting or separating membranes in the human or animal body, in particular in the eye.