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Can urban natural gas gate stations avoid centralized venting?

2020-05-29View Original

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The project I’m working on currently involves a natural gas gate station, where the pressure is reduced from 4.0 MPa in two stages to 0.4 MPa. It seems that the design team has not included any mechanism for centralized venting. According to the explanations in clause 6.5.7 of GB50028, centralized venting can be employed when there are numerous venting points and the volume of gas to be vented is large. Clause 6.5.12 also deals with centralized venting in areas containing high-pressure gas storage tanks. But all the gate stations I have visited before have implemented centralized dispersion, so I would like to ask the experts: is it really necessary to use centralized dispersion for gate stations?

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