The dry gas seal system includes a control and measurement panel, which plays a key role in ensuring the reliable and long-term operation of the gas sealing devices.
The primary function of the control and measurement panel is to provide control and monitoring of the operating conditions of the dry gas seals and to generate alarm signals and lockout in case of malfunctions.
The device and operation principle of the control and measurement panel are simpler and more reliable compared to oil seal systems. It includes a block of filters, simple shut-off and control valves, and a standard set of control and measurement devices.
The control and measurement panel performs the following key functions:
- Thoroughly cleans the buffer gas supplied to the seals.
- Monitors the pressure and flow rate of the purified buffer gas supplied to the dry gas seals.
- Evaluates the leakage volume through the seals.
- Monitors the pressure behind the working sealing stage and provides a signal in case of its increase.
- Cleans the barrier gas supplied to the seals.
- Regulates and monitors the pressure of the barrier gas at the inlet to the seal.
The list of these functions is subject to adjustment depending on the specific operating conditions of the dry gas seal system, the layout of the overall system, and the individual requirements of the customer.
The design of the control and measurement panels is developed with an emphasis on ease of maintenance, control, and monitoring of operating parameters. All local instruments are placed on the front panel for convenient simultaneous monitoring of all displayed parameters.
The arrangement of shut-off and control valves is designed to provide ease of installation, disassembly, and adjustment during operation.
The reliability of the control and measurement panel is ensured by the selection of instruments and fittings from leading manufacturers that have already been successfully used in various industrial facilities.
If the dry gas seal system is installed in fire or explosion hazardous areas, the panel is equipped with instruments that meet the requirements for explosion protection. Installation of electrical power and secondary circuits is also carried out in accordance with these requirements.
