Control method and system for open type cooling water chemical-adding device

Abstract

The invention provides a control method and system for an open type cooling water chemical-adding device. The method includes the following steps that: a liquid chemical-adding device is controlled tooperate according to a liquid chemical-adding control instruction generated when a human-machine interaction interface is triggered, a timing liquid chemical-adding control instruction which is generated at the configuration time of the human-machine interaction interface or a liquid chemical-adding control instruction which is generated according to the sewage quantity of a sewage discharging device; the sewage discharging device is controlled to operate according to a sewage discharging control instruction generated when the human-machine interaction interface is triggered, or a sewage discharging control instruction which is generated according to the detected conductivity of cooling water; and a solid chemical-adding device is controlled to operate according to a solid chemical-addingcontrol instruction generated when the human-machine interaction interface is triggered, a timing solid liquid chemical-adding control instruction which is generated at the configuration time of thehuman-machine interaction interface or a solid chemical-adding control instruction which is generated according to the detected oxidation-reduction potential difference of the cooling water. With thecontrol method and system of the invention adopted, the automatic, accurate and timely addition of chemicals in the chemical-adding device can be realized, and manpower operation costs can be effectively reduced. The control method and system has high safety, and good universality.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, in particular to the technical field of water treatment, and specifically relates to a control method and system for an open cooling water dosing device. Background technique [0002] Open cooling water systems are widely used in industrial production and civil central air-conditioning facilities. During daily operation, the following water quality problems will occur: corrosion caused by oxygen brought in from the outside and increased ion concentration caused by evaporation and concentration, hardness and alkali caused by evaporation and concentration Scaling caused by high temperature, suitable water temperature and external pollution lead to microbial reproduction and microbial corrosion, etc. Therefore, it is necessary to equip dosing equipment for daily dosing water treatment, including the control of concentration multiples, scale inhibition and slow Dosing of etchants, fu...

AI Technical Summary

Problems solved by technology

[0008] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a control method and system for an open cooling water dosing device, which is used to solve the problem of manual dosing belts required by the open cooling water dosing device in the prior art. The labor cost is high, and it is prone to the problem of overdosing or underdosing

Images