Panasia Co.

Gangseo gu, South Korea

Panasia Co.

Gangseo gu, South Korea
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The present invention relates to a device for filtering for treating ballast water by means of a filtering method, and to a method for controlling same, and more particularly, to a multicage-type device for filtering ballast water which automatically controls sequential backwashing and a method for same. In the multicage-type device for filtering ballast water, an automatic cleaning portion in each filtering device, in which differential pressure of at least a specific range with respect to pressure inside a body is generated, from a plurality of filtering units in the device for filtering, is sequentially actuated under the control of a control portion, thereby allowing smooth backwashing by preventing increase of back pressure during backwashing of foreign substances, and increasing repair/maintenance efficiency by installing a second pressure sensor for measuring pressure inside a filter in each of the filtering units via a pressure measurement aperture that penetrates an upper portion cover plate that covers a filter inlet aperture on an upper portion of the body.


Patent
Panasia Co. | Date: 2012-08-01

Disclosed herein is an ultraviolet sterilizer having a watertight function. The ultraviolet sterilizer includes a housing and an ultraviolet sterilization unit. The housing has an inlet through which ballast water is drawn into the housing, and an outlet through which the ballast water is discharged from the housing after the ballast water has been sterilized. The ultraviolet sterilization unit is provided in the housing and includes an ultraviolet lamp applying ultraviolet rays to the ballast water to sterilize the ballast water. The ultraviolet sterilizer further includes a cap which supports each of the opposite ends of the ultraviolet sterilization unit and is watertightly coupled to the housing. Thus, even if the ultraviolet sterilization unit is damaged, ballast water is prevented from being drawn into a reception space which contains external devices, and explosive gas which may cause the ultraviolet sterilizer to explode is also prevented from entering the cap.


Patent
Panasia Co. | Date: 2014-08-27

The present invention relates to a device for filtering ballast water which performs filtering by installing a filter element having a conical shape in a concentric circle direction inside the device for filtering ballast water that accommodates a filter portion, and introducing ballast water from a lower end of the device for filtering and passing same through the filter element inside the device for filtering, and for discharging backwash water containing foreign substances that are inside a filter by means of differential pressure, which is created by a driving portion communicating with a filter element by rotating an aspiration portion that is located on the lower end of the device for filtering. In particular, the present invention relates to a candle-type device for filtering ballast water, wherein the driving portion is positioned on a lower portion of the housing so that more filter elements can be accommodated inside the housing, thereby increasing filter efficiency so as to be appropriate for treating ballast water, and a back pressure prevention tank is provided on a backwash water discharge line thereby preventing back pressure on the discharge line.


This invention relates to a reducing agent supply device and an exhaust gas denitrification system using the same. The reducing agent supply device includes a reducing agent supply unit for supplying a reducing agent to a selective supply unit, a water supply unit for supplying water to the selective supply unit, the selective supply unit for selectively supplying any one of the reducing agent and water supplied from the reducing agent supply unit and the water supply unit to a spray unit, and the spray unit for spraying the reducing agent or water supplied from the selective supply unit, wherein the selective supply unit supplies water to the spray unit when the spray unit is blocked due to solidification of the reducing agent which remains behind therein because of a process in which the spray unit continuously sprays the reducing agent or a temporary malfunction of the device, thereby preventing blockage of the spray unit. Also an exhaust gas denitrification system using the device is provided.


Disclosed herein is an apparatus for sterilizing ballast water. Ultraviolet lamps are installed in a body, and a cross-section of the body that is perpendicular to the orientation of the ultraviolet lamps is rectangular. The ultraviolet lamps are arranged at regular intervals in the rectangular cross-section of the body so that the number of ultraviolet lamps arranged per a unit cross-sectional area can be minimized. Thereby, the power consumption of the apparatus and the space required for installation thereof can be reduced. Furthermore, lines, each of which includes ultraviolet lamps arranged in a row perpendicular to the direction of the flow of ballast water, are arranged in the rectangular cross-section of the body. The ultraviolet lamps of each line are disposed between the ultraviolet lamps of the preceding or following line. Thus, ballast water can be prevented from being discharged out of the body without colliding with any ultraviolet lamp.


Disclosed herein is an apparatus having a double wiper structure for sterilizing ballast water. Each wiper for use in removing foreign substances from an ultraviolet lamp has a double structure including a main wiper part and auxiliary wiper parts. The auxiliary wiper parts are disposed on opposite sides of the main wiper part so that when the wiper body is moved forward or backward, the corresponding auxiliary wiper part primarily removes foreign substances before the main wiper part wipes the ultraviolet lamp unit. Each auxiliary wiper part includes an inclined protrusion and a pointed part so that friction between the surface of the ultraviolet lamp and the auxiliary wiper part can be minimized. The main wiper part includes a first blade and a second blade that are respectively disposed on opposite sides of a depression formed in an inner circumferential surface of the main wiper part.


The present invention relates to a device for filtering for treating ballast water by means of a filtering method, and more particularly, to a compact and operability-enhancing multicage-type device for filtering ballast water, which distributes to a lower portion of the device for filtering a discharge portion for discharging foreign substances after backwashing a filter and a backwash line, among features that are concentrated at an upper portion of the device for filtering, and communicates discharge tubes of each filtering unit in a single line, by considering the unique installation environment of the device for filtering that is coupled to a ship, thereby simplifying structure, reducing space required for installing the device for filtering in the upper portion of the device for filtering, allowing efficient maintenance by integrating foreign substance discharge and back pressure maintenance of each of the filtering units, and comprising double or triple components for preventing damage by collision of components in an automatic cleaning portion that move vertically to backwash the filter inside each of the filtering units, thereby preventing damage to the device and securing durability.


The present invention relates to a device for filtering ballast water which performs filtering by installing a filter element having a conical shape in a concentric circle direction inside the device for filtering ballast water that accommodates a filter portion, and introducing ballast water from a lower end of the device for filtering and passing same through the filter element inside the device for filtering, and for discharging backwash water containing foreign substances that are inside a filter by means of differential pressure, which is created by a driving portion communicating with a filter element by rotating a suction portion that is located on a lower end of the device for filtering. In particular, the present invention relates to a high-efficiency candle-type device for filtering ballast water having a high-density filter structure, wherein the driving portion is positioned on a lower portion of a housing so that more filter elements can be accommodated inside the housing, thereby increasing filter efficiency so as to be appropriate for treating ballast water, the structure is simplified to reduce sealing cost and prevent original ballast water from mixing with filtered water, installation in a small space is possible, and wherein the device for filtering can be easily repaired.


The present invention relates to an a multi-cage type ballast water filtering apparatus having a function of automatically controlling simultaneous backwashing, and a method of automatically controlling the simultaneous backwashing. The apparatus includes a body, and filtering units connected to each other to form a packaged structure in the body. Each filtering unit includes a filter filtering ballast water, and an automatic washing unit backwashing the filter. The apparatus further includes a first pressure sensor measuring the pressure in space between the body and the filters, and a second pressure sensor installed on each of some of the filtering units to measure the pressure in the filter of the corresponding filtering unit. When a difference between pressures measured by the first and second pressure sensors exceeds a predetermined range, the automatic washing units of all of the filtering units are simultaneously operated.


The present invention relates to a device for filtering for treating ballast water by means of a filtering method, and more particularly, to a multicage-type device for filtering ballast water to prevent back pressure, wherein the multicage-type device for filtering ballast water comprises a back pressure prevention tank on a backwash line for backwashing and discharging foreign substances that are inside a filter of the device for filtering, so that backwash water and the foreign substances in the backwash line are preliminarily stored in the back pressure prevention tank thereby preventing increase of back pressure, prevents increase of the back pressure on the backwash line by always maintaining level of water inside the back pressure prevention tank at lower than an inlet port that is connected to the backwash line, and always maintains the level of water at lower than a specific level by artificially discharging the backwash water that is stored inside the tank by means of a pump, when the level of water measured by a water level measuring sensor that measures the level of water inside the tank is over or equal to a specific height.

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