Patent ID: 11927156
Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B  C  Y | IPC B  F

Claim 2:
3. The apparatus according to claim 2, wherein the cleaning water supply module comprises:
a cleaning water replenishing pump that receives the fresh water, replenishes the cleaning water, and supplies the cleaning water to the cleaning module; and
a neutralizing agent supply valve that supplies a neutralizing agent for controlling pH to the cleaning water supplied from the cleaning water replenishing pump to the cleaning module,
wherein the cleaning module comprises one or more cleaning units that remove and clean SOX and soot by spraying the cleaning water,
wherein the cooling module comprises one or more cooling units formed below the one or more cleaning units to cool the exhaust gas to a certain temperature according to a type of the absorbent liquid by the circulating cooling water,
wherein the cleaning water circulation module comprises:
a cleaning water circulation tank that collects the cleaning water having passed through the cleaning module;
a pH meter that measures pH of the cleaning water from the cleaning water circulation tank, controls the neutralizing agent supply valve to determine an input amount of the neutralizing agent;
a buffer tank that stores an initial amount of cleaning water and replenishes the cleaning water; and
a cleaning water circulation pump that circulates a portion of the cleaning water to the buffer tank and circulates a portion of the cleaning water to the cleaning module, and
wherein the water treatment module comprises:
a water treatment unit that performs water treatment on the cleaning water drained from the buffer tank and returns the treated cleaning water to the buffer tank;
a sludge tank that stores sludge by the water treatment unit;
an outboard discharge valve that discharges the cleaning water satisfying a certain discharge condition by the water treatment unit to the outside of the vessel; and
a cleaning water drain tank that temporarily stores the cleaning water from the buffer tank.