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Automatic control system of microwave sewage treating equipment

A technology of sewage treatment equipment and automatic control system, which is applied in the direction of control/regulation system, light water/sewage treatment, non-electric variable control, etc. It can solve the problem of unstable pH value of sewage and other problems, and achieve simplified control mode and intuitive operation mode , the effect of shortening the electrical connection

Active Publication Date: 2008-11-12
孙宪彬
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Problems solved by technology

Among them, due to the different PH value of the sewage itself, the change of the flow rate of the sewage, and the influence of the working environment on the dosing system itself, the detected PH value is unstable.

Method used

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  • Automatic control system of microwave sewage treating equipment
  • Automatic control system of microwave sewage treating equipment
  • Automatic control system of microwave sewage treating equipment

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Embodiment Construction

[0044] see figure 1To Fig. 3, the automatic control system of the microwave sewage treatment equipment of the present invention includes a PH value detection circuit for detecting the pH value of the sewage in the incoming flow of the microwave reactor; a sewage flowmeter for detecting the sewage flow; programmable control The device (PLC) receives the above-mentioned detected signals, and sends an additive adjustment instruction signal through closed-loop control logic operation according to the sewage pH value signal detected by the pH value detection circuit; and according to the sewage flow rate detected by the sewage flow meter The signal is sent through the closed-loop control logic operation to control the flow control command signal; the additive regulating device controls the amount of additive added according to the additive dosing control command signal sent by the programmable logic controller (PLC); the sewage flow regulating device receives the The flow control c...

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Abstract

A system for controlling microwave sewage processing equipment automatically comprises a pH value detecting circuit for detecting the pH value of the sewage, a sewage flowmeter for detecting sewage flux, a programmable logic controller (PLC) which can respectively sends out an additive regulating directive signal and a flux control directive signal by a closed-loop control logic operation according to a detected sewage pH value signal and a sewage flux signal, an additive regulating device used for controlling the added amount of the additive according to the additive adding control directive signal transmitted by the PLC and a sewage flux regulating device used for controlling the sewage flux according to the flux control directive signal. The system solves the technical problem of unstable matching of the pH value and the sewage flux of the microwave sewage processing system and the output power of the microwave.

Description

technical field [0001] The invention relates to an automatic control system of microwave sewage treatment equipment. Background technique [0002] The research on the application of microwave energy to water treatment began in the 1980s, and a variety of related technical solutions have been proposed so far. Among them, a patent application of the applicant in the examination process defines a sewage treatment system, including a microwave reactor, which is provided with a water pipe through which the sewage needs to be treated, and a microwave generator for emitting microwaves; In the downstream of the microwave reactor, the sedimentation filtering device connected with the sewage outlet of the microwave reactor through a pipeline, the sedimentation filtering device is provided with a clear water discharge port and a sludge discharge port; in the microwave reactor A sensitizer stirring tank as a sensitizer adding device is arranged in the upstream pipeline of the sensitize...

Claims

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Application Information

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IPC IPC(8): G05B19/05C02F1/30G05D27/02H05B6/68
Inventor 孙宪彬
Owner 孙宪彬
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