1, automatic dosing device features:
The variable-frequency automatic dosing control device used to introduce the high-tech products of communication frequency converter-a advanced communication speed regulation system, to achieve the best dosage automatic control, this system biggest advantage is reliable performance, long life, good dynamic characteristics, low energy consumption. This device can act as a water pump, oil pump, fan blower ac motor speed control is to realize the infusion liquid in the pipeline, vapour pressure, flow control.
2, automatic dosing system structure
Automatic control equipment mainly by the automatic control cabinet, recorder, ac motor, dosing pump etc. In automatic control cabinet inverter, regulators, apparatus etc, see the table below. The choice of detector by the user dosing kinds of decisions, such as: with ammonia, detector can choose conductivity meter or PH plan, plus phosphate can choose fast phosphoric acid root analyzer, neutralization pool can choose PH plan, coordinate phosphate treatment may be using R table, coagulation, the use of flow current cryoscope, chlorine was added to the configuration residual chlorine table, etc.
3, automatic dosing system principle
The figure that dosing pump motor in exchange converter drive, will be injected into the potion in the liquid, drug concentration was detector detection, detector and concentration in proportion to electrical signal input to the regulator and the set value comparison, get error signal, regulators will deviation according to the requirement of process signal proportional, integral operation, the operation results signal transmission to the frequency converter, inverter control signal output by regulator change motor power frequency, make the motor speed change, change into the liquid solution concentration, make ethephon concentration control in the best range.
The variable-frequency automatic dosing control device used to introduce the high-tech products of communication frequency converter-a advanced communication speed regulation system, to achieve the best dosage automatic control, this system biggest advantage is reliable performance, long life, good dynamic characteristics, low energy consumption. This device can act as a water pump, oil pump, fan blower ac motor speed control is to realize the infusion liquid in the pipeline, vapour pressure, flow control.
2, automatic dosing system structure
Automatic control equipment mainly by the automatic control cabinet, recorder, ac motor, dosing pump etc. In automatic control cabinet inverter, regulators, apparatus etc, see the table below. The choice of detector by the user dosing kinds of decisions, such as: with ammonia, detector can choose conductivity meter or PH plan, plus phosphate can choose fast phosphoric acid root analyzer, neutralization pool can choose PH plan, coordinate phosphate treatment may be using R table, coagulation, the use of flow current cryoscope, chlorine was added to the configuration residual chlorine table, etc.
3, automatic dosing system principle
The figure that dosing pump motor in exchange converter drive, will be injected into the potion in the liquid, drug concentration was detector detection, detector and concentration in proportion to electrical signal input to the regulator and the set value comparison, get error signal, regulators will deviation according to the requirement of process signal proportional, integral operation, the operation results signal transmission to the frequency converter, inverter control signal output by regulator change motor power frequency, make the motor speed change, change into the liquid solution concentration, make ethephon concentration control in the best range.
4, application scope
"Building central air conditioning, cooling water system, thermal power plant, nuclear power plant, and the thermal power plant, the water cycle system, oil field survey of drilling, oil drilling water cycle system, industrial (circulation, closed circuit, dc) cooling water system, the ships, warship, vehicle cooling water system, coastal industries (salt) cooling system.
"Building central air conditioning, cooling water system, thermal power plant, nuclear power plant, and the thermal power plant, the water cycle system, oil field survey of drilling, oil drilling water cycle system, industrial (circulation, closed circuit, dc) cooling water system, the ships, warship, vehicle cooling water system, coastal industries (salt) cooling system.