BALLAST WATER TREATMENT SYSTEM BY USING NADCC

Provided is a ballast water treatment apparatus by using sodium dichloroisocyanurate. The ballast water treatment apparatus includes: a cartridge that is provided with an inlet and an outlet in order that a fresh water is introduced and discharged, that is provided with an inlet valve and an exhaust valve installed in the inlet and the outlet respectively, and that is equipped with the sodium dichloroisocyanurate; and a dissolution tank that is equipped with a agitator configured to be connected to the outlet of the cartridge to agitate the sodium dichloroisocyanurate. 1. A ballast water treatment apparatus using sodium dichloroisocyanurate , comprising:a cartridge provided with an inlet and an outlet in order that a source of fresh water is operable to be introduced therein and discharged therefrom, wherein an inlet valve and an exhaust valve is installed in the inlet and the outlet respectively, wherein the cartridge contains the sodium dichloroisocyanurate; anda dissolution tank that includes an agitator configured to be connected to the outlet of the cartridge to agitate the sodium dichloroisocyanurate.2. The apparatus of claim 1 , wherein a plurality of the cartridges are connected in parallel.3. The apparatus of claim 1 , wherein the cartridge includes a transparent window in a side to determine an amount of the sodium dichloroisocyanurate contained therein.44. The apparatus of claim 1 , wherein a capacity of the cartridge and the dissolution tank is configured to achieve a solubility of % claim 1 , 8% or 12% of the sodium dichloroisocyanurate.5. The apparatus of claim 1 , wherein the dissolution tank includes a conductivity sensor to measure a conductivity of the dissolved sodium dichloroisocyanurate.6. The apparatus of claim 1 , wherein the inlet valve and the exhaust valve are a manual valve.7. The apparatus of claim 6 , wherein an auto-inlet valve is installed in an inlet side of the inlet valve claim 6 , and an auto-discharge valve is installed in a ...

Ballast water treatment system

The present invention relates to a ballast water treatment system. The ballast water treatment system comprises: a filter and electrolysis unit for receiving ballast water from the outside, and filtering and electrolyzing the ballast water; a first sensor unit for measuring seawater characteristics of the ballast water passing through the filter and electrolysis unit; a control unit for determining a contamination level of the ballast water according to the measured seawater characteristic values so as to generate control signals for determining the strength of electrolysis and the input amount of chlorine dioxide; a chlorine dioxide generation unit for generating the chlorine dioxide; a UV/TiO2 system which includes a TiO2-coated plate, generates an OH radical through an interaction between ultraviolet rays and TiO2 so as to enable the OH radical to sterilize residual microorganisms included in the ballast water passing through the filter and electrolysis unit; an automatic neutralization treatment device which includes a neutralizing agent, receives a neutralizing agent discharge signal from the control unit, and neutralizes the ballast water passing through the filter and the electrolysis unit; and a second sensor unit for measuring a TRO concentration of the ballast water neutralized in the automatic neutralization treatment device and transferring the measurement result to the control unit, wherein the control unit generates a control signal for controlling an amount of the neutralizing agent discharged from the automatic neutralization treatment device according to the measurement result received from the second sensor unit. Thus, the sterilization efficiency for the ballast water satisfies the USCG standards during the ballasting step for the ballast water.

Ballast water treatment system by using NaDCC

Provided is a ballast water treatment apparatus by using sodium dichloroisocyanurate. The ballast water treatment apparatus includes: a cartridge that is provided with an inlet and an outlet in order that a fresh water is introduced and discharged, that is provided with an inlet valve and an exhaust valve installed in the inlet and the outlet respectively, and that is equipped with the sodium dichloroisocyanurate; and a dissolution tank that is equipped with a agitator configured to be connected to the outlet of the cartridge to agitate the sodium dichloroisocyanurate.

ELECTROMAGNETIC FLOW METER

Provided is an electromagnetic flowmeter, including: a coil configured to form a magnetic field as power is applied; an electrode configured to measure an electromotive force generated according to a flow rate passing through the magnetic field; an amplifying circuit unit configured to amplify the electromotive force measured at the electrode; and a relay unit that is provided between the electrode and the amplifying circuit unit and that is turned on or off. 1. An electromagnetic flowmeter , comprising:a coil configured to form a magnetic field as power is applied;an electrode configured to measure an electromotive force generated according to a flow rate passing through the magnetic field;an amplifying circuit unit configured to amplify the electromotive force measured at the electrode; anda relay unit that is provided between the electrode and the amplifying circuit unit and that is turned on or off.2. The electromagnetic flowmeter of claim 1 , wherein the relay unit is turned on or off according to a control signal claim 1 , and the control signal is generated through a wireless communication or a dry contact switch.3. The electromagnetic flowmeter of claim 1 , wherein the relay unit is turned on when the power of the electromagnetic flowmeter is turned on claim 1 , and is turned off when the power of the electromagnetic flowmeter is turned off.4. The electromagnetic flowmeter of claim 2 , wherein the control signal is generated as an off-signal when a ship sails or is under repair claim 2 , and is generated as an on-signal when the ship performs a ballasting operation.5. The electromagnetic flowmeter of claim 3 , further comprising a controller that controls the power of the electromagnetic flowmeter to be turned off when a ship sails or is under repair claim 3 , and controls the power of the electromagnetic flowmeter to be turned on when the ship performs a ballasting operation.6. The electromagnetic flowmeter of claim 1 , wherein a zero point correction is ...

Ballast Water Treatment System With A Ballast Water Treatment Unit In The Engine Room Of A Ship Having A Submergible Pump

APPARATUS AND METHOD FOR TREATING BALLAST WATER BY USING ELECTROLYSIS

Provided is an apparatus for treating ballast water by using electrolysis. The apparatus includes a plurality of ballast tanks into which ballast water is introduced; a first pipe for a main stream of the ballast water supplied to the ballast tanks; a second pipe for a side stream of the ballast water branched from the main stream of the ballast water; an electrolytic cell configured to perform electrolysis of the side stream of the ballast water; a first salinity measuring unit configured to measure a salinity of the side stream of the ballast water introduced into the electrolytic cell; a second salinity measuring unit configured to measure a salinity of ballast water introduced into at least one of the ballast tanks; and a controller configured to control to supply the ballast water to the electrolytic cell from one of the plurality of ballast tanks based on the salinity of ballast water measured by the second salinity measuring unit, when the salinity of the side stream of the ballast water measured by the first salinity measuring unit is less than a threshold value. 1. An apparatus for treating ballast water by using electrolysis , the apparatus comprising:a plurality of ballast tanks into which ballast water is introduced;a first pipe for a main stream of the ballast water supplied to the ballast tanks;a second pipe for a side stream of the ballast water branched from the main stream of the ballast water;an electrolytic cell configured to perform electrolysis of the side stream of the ballast water;a first salinity measuring unit configured to measure a salinity of the side stream of the ballast water introduced into the electrolytic cell;a second salinity measuring unit configured to measure a salinity of ballast water introduced into at least one of the ballast tanks; anda controller configured to control to supply the ballast water to the electrolytic cell from one of the plurality of ballast tanks based on the salinity of ballast water measured by the ...

BALLAST WATER TREATMENT SYSTEM

The present invention relates to a ballast water treatment system. The ballast water treatment system comprises: a filter and electrolysis unit for receiving ballast water from the outside, and filtering and electrolyzing the ballast water; a first sensor unit for measuring seawater characteristics of the ballast water passing through the filter and electrolysis unit; a control unit for determining a contamination level of the ballast water according to the measured seawater characteristic values so as to generate control signals for determining the strength of electrolysis and the input amount of chlorine dioxide; a chlorine dioxide generation unit for generating the chlorine dioxide; a UV/TiOsystem which includes a TiO-coated plate, generates an OH radical through an interaction between ultraviolet rays and TiOso as to enable the OH radical to sterilize residual microorganisms included in the ballast water passing through the filter and electrolysis unit; an automatic neutralization treatment device which includes a neutralizing agent, receives a neutralizing agent discharge signal from the control unit, and neutralizes the ballast water passing through the filter and the electrolysis unit; and a second sensor unit for measuring a TRO concentration of the ballast water neutralized in the automatic neutralization treatment device and transferring the measurement result to the control unit, wherein the control unit generates a control signal for controlling an amount of the neutralizing agent discharged from the automatic neutralization treatment device according to the measurement result received from the second sensor unit. Thus, the sterilization efficiency for the ballast water satisfies the USCG standards during the ballasting step for the ballast water. 1. A ballast water treatment system comprising:a filter and electrolysis unit for receiving ballast water from the outside and filtering and electrolyzing the ballast water;a first sensor unit for measuring ...

Ballast water treatment system with a ballast water treatment unit in the engine room of a ship having a submergible pump

The present invention relates to a ballast water treatment system. The ballast water treatment system comprises: an engine room where the engine of a ship is installed; a ballast water treatment unit which is installed in the engine room; the first ballast pump to transfer ballast water to the ballast water treatment unit; a ballast tank which is connected to the ballast treatment unit through a main pipe, where the ballast water is transferred through the main pipe and stored; the second ballast pump submerged in ballast water of the ballast tank; a branch pipe branched from the main pipe and transferring some of ballast water transferred from the first ballast pump to the APT (Aft Peak Tank). The cost of installation can be reduced since the separate explosion proof space is not necessary for the present invention.

電磁流量計

【課題】落雷や溶接などのような外部の衝撃やノイズに対して内部回路を保護することができるようにした電磁流量計を提供すること。 【解決手段】電源が印加されて磁界を形成するコイルと、前記磁界を通過する流量に応じて生成される起電力を測定する電極と、前記電極で測定された起電力を増幅する増幅回路部と、前記電極と前記増幅回路部の間に設置されてＯＮまたはＯＦＦになるリレー部とを含む電磁流量計。 【選択図】図２

Συστημα επεξεργασιας νερου ερματος με μοναδα επεξεργασιας νερου ερματος στο μηχανοστασιο πλοιου που διαθετει υποβρυχια αντλια

Η παρούσα εφεύρεση αναφέρεται σε ένα σύστημα επεξεργασίας νερού έρματος. Το σύστημα επεξεργασίας νερού έρματος περιλαμβάνει: ένα μηχανοστάσιο όπου είναι εγκατεστημένη η μηχανή του πλοίου· μια μονάδα επεξεργασίας νερού έρματος που εγκαθίσταται στο μηχανοστάσιο· η πρώτη αντλία έρματος για τη μεταφορά νερού έρματος στη μονάδα επεξεργασίας νερού έρματος· μια δεξαμενή έρματος που συνδέεται με τη μονάδα επεξεργασίας έρματος μέσω ενός κύριου σωλήνα, όπου το νερό έρματος μεταφέρεται μέσω του κύριου σωλήνα και αποθηκεύεται· η δεύτερη αντλία έρματος βυθίζεται στο νερό έρματος της δεξαμενής έρματος· έναν σωλήνα διακλάδωσης ο οποίος διακλαδίζεται από τον κύριο σωλήνα και μεταφέρεται μέρος του νερού έρματος το οποίο προέρχεται από την πρώτη αντλία έρματος στην APT (Δεξαμενή Πρυμναίου Διαμερίσματος). Το κόστος εγκατάστασης μπορεί να μειωθεί εφόσον ο ξεχωριστός χώρος απόσβεσης εκρήξεων δεν είναι απαραίτητος για την παρούσα εφεύρεση.