China MGPS Seawater Electrolysis Online Chlorination System factory and suppliers

MGPS Seawater Electrolysis Online Chlorination System

Short Description:

In marine engineering, MGPS stands for Marine Growth Prevention System. The system is installed in the seawater cooling systems of ships, oil rigs and other marine structures to prevent the growth of marine organisms such as barnacles, mussels and algae on the surfaces of pipes, seawater filters and other equipment. MGPS uses an electric current to create a small electric field around the metal surface of the device, preventing marine life from attaching and growing on the surface. This is done to prevent equipment from corroding and clogging, resulting in reduced efficiency, increased maintenance costs and potential safety hazards.

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Explanation

Seawater electrolysis chlorination system take use of natural seawater to produce on-line sodium hypochlorite solution with concentration 2000ppm by seawater electrolysis, which can effectively prevent the growth of organic matter on the equipment. The sodium hypochlorite solution is directly dosed to sea water through the metering pump, effectively control the growth of the sea water microorganisms, shellfish and other biological. and is widely used in the coastal industry. This system can meet the seawater sterilization treatment of less than 1 million tons per hour. The process reduces potential safety hazards related to the transportation, storage, transportation and disposal of chlorine gas.

This system has been widely used in large power plants, LNG receiving stations, seawater desalination plants, nuclear power plants, and seawater swimming pools.

Reaction Principle

First the seawater passes through the seawater filter, and then flow rate is adjusted to enter the electrolytic cell, and direct current is supplied to the cell. The following chemical reactions occur in the electrolytic cell:

Anode reaction:

Cl¯ → Cl2 + 2e

Cathode reaction:

2H2O + 2e → 2OH¯ + H2

Total reaction equation:

NaCl + H2O → NaClO + H2

The generated sodium hypochlorite solution enters the sodium hypochlorite solution storage tank. A hydrogen separation device is provided above the storage tank. The hydrogen gas is diluted below the explosion limit by an explosion-proof fan and is emptied. The sodium hypochlorite solution is dosed to the dosing point through the dosing pump to achieve sterilization.

Process flow

Seawater pump → Disc filter → Electrolytic cell → Sodium hypochlorite storage tank → Metering dosing pump

Application

● Seawater Desalination Plant

● Nuclear power station

● Sea Water Swimming Pool

● Vessel/Ship

● Coastal thermal power plant

● LNG Terminal

Reference Parameters

Model	Chlorine (g/h)	Active Chlorine Concentration (mg/L)	Seawater flow rate (m³/h)	Cooling water treatment capacity (m³/h)	DC Power consumption (kWh/d)
JTWL-S1000	1000	1000	1	1000	≤96
JTWL-S2000	2000	1000	2	2000	≤192
JTWL-S5000	5000	1000	5	5000	≤480
JTWL-S7000	7000	1000	7	7000	≤672
JTWL-S10000	10000	1000-2000	5-10	10000	≤960
JTWL-S15000	15000	1000-2000	7.5-15	15000	≤1440
JTWL-S50000	50000	1000-2000	25-50	50000	≤4800
JTWL-S100000	100000	1000-2000	50-100	100000	≤9600