Dosing device is also called dosing system and dosing equipment.

Dosing equipment is widely used, mainly used in:

A thermal power industry, boiler water treatment system, cooling system, central air-conditioning circulating water system, water pretreatment and wastewater treatment system.

Conditioning 1, boiler power plant (ammonia, hydrazine, Deaerator agent) metering dosing, water supply to water ammonia (or condensed water) system with 1 ~ 5% ammonia (about 1 ~ 2 ~ g/L) and free carbonate, improve the water pH value to the specified range (8.5 to 9.3) in order to reduce the corrosion caused by carbonate and oxygen at low pH.

2, water and hydrazine is water (or water) system plus the amount of (20 ~ 50 g/L) of the diamine (0.1 ~ 0.3%) for chemical oxygen reduction, and maintain water, to prevent the deposition of metal oxide and oxygen corrosion of furnace.

3, boiler water and phosphate (low boiler parameters to eliminate residual hardness, water to adjust boiler water PH with high parameter boiler) measurement.

Two, petroleum, chemical industry, boiler water treatment system of chemical additives circulation cooling system, feeding system, medical, electronics industry wastewater disinfection system.

1. Measurement of liquid materials added in petrochemical, chemical, food, beverage and pharmaceutical processes.

2, feed water pretreatment system for adding bactericide, coagulating agent, reducing agent, PH regulating agents, to eliminate microorganisms in raw water, the organic compounds in water, suspended solids and colloidal water, oxidizing agent, water excessive acidity and alkalinity, to ensure the supply of water treatment needs.

3. chemical cleaning process to the cleaning solution, passivation solution by adding cleaning agent, corrosion inhibitor, promoting solvent and passivating agent liquid metering.

Three, municipal water supply, swimming pool, water plant, sewage treatment, disinfection of building life water; industrial circulating water, disinfection of industrial wastewater treatment and other related industry liquid dosing system.

2, circulating cooling water into the water quality stabilizer or sulfuric acid: measurement to the circulating water system of water and acid to reduce the alkalinity, carbonate hardness of replenished water into the non carbonate hardness control, carbonate hardness circulating water after concentration is lower than the limit value, in order to achieve the purpose of anti scaling.

3, adding stabilizer to improve the ultimate carbonate hardness of circulating water, to prevent calcium carbonate scaling, and avoid by simply adding sulfuric acid to make the sulfate is too high to produce calcium sulfate scale. Some stabilizers have both corrosion inhibition action.