Natural gas is processed by natural gas from the gas transmission line of the natural gas pipeline company, and then sent to the natural gas processing system of the gas turbine mechanical and electrical plant. After the maximum pressure drop of natural gas processing system analysis, when the upstream natural gas pipeline gas pressure can meet the demand of gas turbine under various working conditions, natural gas processing system should use natural gas pressure regulating cabinet. The natural gas voltage regulator is generally divided into several functional pry according to the different function of each device. The typical natural gas pressure regulating cabinet includes: emergency entry cut-off pry, coarse separation pry, metering pry, filter prying, heating prying, regulating prying, condensate collecting device, releasing device and control system. The main configuration and function of natural gas regulator station are as follows:
1) the entrance emergency cutting pry: to realize the emergency cut off when the electric insulation of the upstream pipeline, the fire, the serious leakage and so on.
2) coarse separation prying: the crude separation of natural gas in the factory is realized, and the operation safety of the follow-up equipment is protected.
3) measurement pry: to realize the flow measurement and monitor the natural gas consumption of the whole plant.
4) filter pry: realizing the fine filtration of natural gas to meet the needs of the downstream users.
5) heating pry: heating the natural gas to meet the requirements of the downstream users.
6) pressure shift: pressure to reduce gas from high pressure to gas turbine demand, and to meet the pressure fluctuation requirements of gas turbine.
7) condensate collecting device and a discharge device to meet the requirements of environmental protection and safe discharge station.
8) control system: monitoring the function of each module station.
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