| Soonchunhyang University Industry Academy Cooperation Foundation Patent applications |
| Patent application number | Title | Published |
|---|
| 20120073597 | METHOD FOR REMOVING DEPOSITED SLUDGE - Provided is a physical and chemical cleaning method, including introducing nitrogen gas, liquid nitrogen or dry ice into a cleaning solution containing at least one selected from the group consisting of water, monoethanolamine (ETA), dimethylamine (DMA), NH | 03-29-2012 |
| 20120029233 | METHOD AND APPARATUS FOR RECOVERY OF AMINE FROM AMINE-CONTAINING WASTE WATER AND REGENERATION OF CATION EXCHANGE RESIN - Provided is an apparatus for recovering amines from amine-containing waste water generated in power stations, etc., and regenerating a cation exchange resin. The apparatus includes: a cation exchange resin layer capturing amines from amine-containing waste water and eluting the amines therefrom; a degassing tower degassing the eluted amines; a vacuum pump connected to the degassing tower; and a condensation and cooling tower condensing the degassed amines at a temperature of −33° C. or lower, wherein the amines captured in the cation exchange resin layer are eluted by injecting a strong acidic solution, while the resin is regenerated, and the amines eluted by the strong acidic solution is subjected to vacuum degassing and then recovered. Provided also is a method for recovering amines and regenerating a cation exchange resin using the apparatus. The apparatus and method for recovering amines and regenerating a cation exchange resin improve the quality of effluent water from power stations, etc., and increase the cost-efficiency through the recycle of amines. | 02-02-2012 |
| 20110291052 | APPARATUS AND METHOD FOR SUPPLYING AMINE USING THERMAL DECOMPOSITION - Provided are an apparatus for supplying amine, including: transfer pipe through which amine is transferred; a heat wire which heats the amine that flows through the transfer pipe; a temperature control sensor which controls the temperature in the transfer pipe; and a product recovery valve which recovers product resulting from thermal decomposition of the amine, and a method for supplying amine using the same. The apparatus and method for supplying amine are capable of economically and effectively supplying amine utilizing the thermal decomposition properties of the amine, and may be used to supply amine, for example, to circulating water for power plants. | 12-01-2011 |
| 20110219818 | APPARATUS AND METHOD FOR PURIFICATION OF MATERIALS USING VACUUM DISTILLATION FOR EVAPORATION AND HEAT CIRCULATION FOR CONDENSATION - Provided is an apparatus for purifying materials, including: a raw water storage unit storing and supplying raw water; an evaporation unit evaporating the raw water supplied from the raw water storage unit; a heat exchange unit connected between the raw water storage unit and the evaporation unit, and condensing vapor (a material evaporated from the raw water) generated at the evaporation unit; and a recovery tank recovering the material condensed at the heat exchange unit, wherein the raw water supplied through the raw water storage unit is sent to the evaporation unit via the heat exchange unit, and the vapor evaporated at the evaporation unit is introduced into the recovery tank, after it is cooled and condensed at the heat exchange unit. A method for purifying materials using the apparatus is also provided. The apparatus and the method allow heat recycling, thereby reducing consumption of heat energy and electric energy, and prevent such problems as degradation of vacuum pump quality, overload or damages on some parts of the apparatus. | 09-15-2011 |
| 20110100917 | Method for Recovering Amine From Amine-Containing Waste Water - Provided is a method for recovering high-concentration and high-purity amine from amine-containing waste water generated from nuclear power plants and thermal power plants. The method includes: capturing amine and concentrating waste water using a cation exchange resin; separating amine from the concentrated amine-containing waste water; and carrying out further separation of amine via distillation. The method may be applied to treat amine, which causes an increase in biochemical oxygen demand (BOD) and total nitrogen concentration, drastically at the time of its generation from waste water of nuclear power plants and thermal power plants. In this manner, the method may prevent an increase in load of existing waste water treating plants and avoid a need for modifying the equipment in the existing plants. In addition, the method disclosed herein may allow recovery and reutilization of amine, injected continuously to prevent corrosion of water/vapor circulation systems of nuclear power plants and thermal power plants, thereby improving the cost-efficiency in such power plants. | 05-05-2011 |
| 20110034194 | LOCAL WIRELESS COMMUNICATION SYSTEM AND METHOD FOR ADAPTIVE CHANNEL SELECTION OF SENSOR SYSTEMS - An apparatus for performing a local wireless communication using a frequency band. At least a part of the frequency band is divided into a plurality of channels. The apparatus includes a plurality of sensors, each sensor scanning each channel to identify whether each channel is used or not, selecting an unused channel as a data transmission channel, and transmitting data through the unused data transmission channel. The apparatus further includes at least one hub receiving and processing the data transmitted from each sensor through each corresponding data transmission channel. | 02-10-2011 |
| 20110032915 | LOCAL WIRELESS COMMUNICATION SYSTEM AND METHOD EMPLOYING FREQUENCY-VARIABLE SIGNAL DETECTION - A system for performing a local wireless communication using a predetermined frequency band divided into a plurality of channels. The system includes a hub for scanning each channel to identify available one of the plurality of channels and transmitting data over the available channel. The system further includes a sensor set to start to operate when the sensor detects a signal within the predetermined frequency band. The sensor spectrum-senses the signal of the frequency band for each channel, and analyzes a header of packet data for each channel, and receives and processes the packet data if the signal is identified to have a designated code. | 02-10-2011 |
| 20100277259 | SERIAL L-C RESONATOR WITH THREE-DIMENSIONAL STRUCTURE AND ULTRA-WIDE BANDPASS FILTER USING THE SAME - In an ultra-wideband (UWB) band-pass filter, an equivalent circuit of a band-pass filter for direct frequency conversion is configured to have a series LC resonator and a parallel LC resonator, the parallel LC resonator is implemented as a short stub and an open stub, and the series LC resonator is implemented by modeling an inductor and a capacitor as a distributed constant circuit. The series LC resonator is implemented to have a 3D structure for effective designing of the band-pass filter by a new method of implementing a series resonator circuit. In the UWB band-pass filter, a low-pass filter for improving band-stop characteristics is additionally connected. | 11-04-2010 |
| 20090142489 | LINEAR DEPOSITION SOURCES FOR DEPOSITION PROCESSES - Linear deposition sources are disclosed. In one embodiment, the linear deposition source includes a container accommodating evaporation material and a heater configured to generate heat energy such that vaporized material is discharged uniformly onto a substrate on which a deposition layer is formed. The heater is provided on the container, wherein a portion of the heater positioned at a center portion of the container in the longitudinal direction generates more heat energy than the other portion of the heater. The heater includes a coil configured in a sinusoidal pattern, wherein the curvature pitch or height of the portion of the coil positioned at the center portion of the container in the longitudinal direction is set to be different from that of the other portion of the coil. Further, the resistance of the portion of the coil positioned at the center portion of the container in the longitudinal direction may be set to be greater than that of the other portion of the coil. | 06-04-2009 |
