Simple and easy metering device that mixes of red fuming nitric acid (RFNA) production

The utility model discloses a simple and easy metering device that mixes of red fuming nitric acid (RFNA) production belongs to the chemical industry field. Including rare nitric acid flowmeter, red fuming nitric acid (RFNA) magnesium flowmeter and sour magnesium blender, sour magnesium blender includes the import of red fuming nitric acid (RFNA) magnesium, the import of rare nitric acid, sour magnesium mixed liquid outlet, rare nitric acid flowmeter and rare nitric acid access connection, red fuming nitric acid (RFNA) magnesium flowmeter and red fuming nitric acid (RFNA) magnesium access connection. The utility model discloses easy observation variation in discharge directly perceived and fluid state, through observe in the nitre magnesium flowmeter fluid state can, tentatively judge nitre magnesium concentration, be a simple structure equitable, take up an area of the simple and easy metering device that mixes of red fuming nitric acid (RFNA) production of little, convenient operation, easy maintenance.