1, automatic measuring device: automatic measuring device is an advanced coagulant metering equipment, can automatically control the coagulant dosing and dosing time. This equipment can be adjusted and controlled according to the parameters of water quality, water quantity and effluent target of sewage treatment plant, which makes the effect of sewage treatment more stable and excellent.
2, manual metering device: manual metering device is manually controlled coagulant metering equipment, need to regularly adjust the amount of coagulant dosing and time, not as stable and accurate as automatic metering device. Manual metering device is suitable for small sewage treatment plant, easy to operate, low cost.
The above is a small and medium-sized sewage treatment plant can choose the coagulant metering equipment, need to choose the right equipment according to the actual needs and economic conditions.