Automation of contact gas condensation separation

At the top of the circuit, selected devices, sensors, converters and control equipment are conventionally depicted. In the middle part of the diagram, terminal boxes (CC) are shown - for connecting wires from sensors and then connecting the cable to the control room. The 6EP1 332-1SH31 power supply module is used to power the converters. They are located on the right side of the diagram. The lower part of the diagram shows the units and modules of the selected control system, in this case the Siemens S7-200 system .

For electrical wiring, a cable with rubber or polyvinyl chloride insulation is used: KVVG-ng-Ls 4x1.5 - control cable insulation of polyvinyl chloride, flame retardant, a common shield made of aluminum foil (for KVVGEng-LS).

For pipe wiring, pipes are used in accordance with the project, the most common steel pipes, gas-water, ordinary.

To supply the devices with air supply, a steel pipe of grade 20 with a diameter of 14 with a thick wall of 1.5 mm is used, and to supply air from the device to the actuator, a steel pipe of grade 3 with a diameter of 20 mm is used.

Operation of the flow measurement control and regulation kit. From the narrowing device of the diaphragm of the chamber position 35-1, installed in the line before supplying water to the T-1 heat exchanger designed to heat chemically contaminated water, the pressure drop is taken through two pulse tubes, this difference enters the input of the SAPPHIRE-22EM-DD converter. The differential pressure is converted into a unified signal of 4-20 mA, then from the output of the converter using the KVVG-ng-Ls 4x1.5 cable it enters through the QC to the control system. To generate the output control signal, the 6ES7232-0HD22-0XA0 module is used, from where the output control signal is fed to the pos converter. 35-3. After that, in the form of compressed air, it is supplied to the control device. In the case of control, as well as regulation, a signal is sent from the controller to the computer, for visual observation of the process.

A float potentiometric level transmitter is used to control and regulate the level. The principle of operation of "ELEMER" UPP-11: The magnet located in the body of the float, depending on the level of the liquid, moves along the protective fittings and closes the  reed switches by means of a magnetic field. The reed-potentiometric ruler generates a useful signal processed by the electronic module and outputs it in the form of a unified analog signal of 4...20 mA and  a digital signal using the HART protocol.

When controlling the temperature from pos. 14-1, where it is converted into a standard current signal and via KVVG-ng-Ls 4x1.5 cables, enters the CC and follows to the control room with one cable, where they are again separated, the signal enters the controller through the barrier panel. In the case of regulation, the control signal travels the same path as in the flow rate.