SPRINKLER SYSTEM

摘要

PURPOSE: A fire sprinkler system equipped with an agent injection device is provided, which prevents pipe from being corroded by keeping mixing ratio of fire extinguishing water and anti-corrosion agent. CONSTITUTION: A fire sprinkler system comprises a branched pipe, an intersection pipe, a main pipe(4), an on/off valve, an agent injection device, and a feedback unit. The agent injection device injects anti-corrosion agent into the main pipe. The feedback unit measures the chemicals concentration of fire extinguishing water. The anti-corrosion agent is provided by the agent injection device. The feedback unit feeds back fire extinguishing water to the agent injection device.