Analysis of constant supply principle for RX200/0.4C dual fuel gas regulator
By setting the setting value of the standby circuit voltage regulator to be lower than the working circuit voltage regulator, the standby circuit voltage regulator can be turned off when it works normally.
Even if the front and rear shutoff valves of the standby circuit are fully open, the regulator acts as a shutoff and there is no gas flow in the standby circuit.
Two way gas pressure regulating cabinet and automatic fault routing principle
The main functions of the surge control system are as follows:
(1) When one of them is regularly maintained or repaired, the other can be fully responsible for downstream gas supply, without affecting the downstream users'continuous gas demand;
(2) When the downstream user's gas consumption suddenly increases, the working circuit single-way gas supply double-way gas pressure regulator and the principle of fault automatic route selection are provided by Runfeng.
When the downstream gas demand can not be met, the downstream pressure will be reduced accordingly, and the standby circuit regulator will start automatically when the downstream pressure is lower than its own set value, and the double channel will supply gas to the downstream at the same time, so as to realize the function of automatic route increase.
(3) When the working circuit regulator is fully open, the upstream high-pressure gas flows downstream rapidly, causing instantaneous superelevation downstream. When the pressure exceeds the set point of the working circuit cutoff valve, the working circuit emergency shutoff valve cuts off the gas source, the working circuit stops supplying gas downstream; because the downstream continues to use gas, when the downstream pressure is lower than the standby circuit regulator. When setting the value, the backup voltage regulator will be automatically activated, and the whole gas utilization process will be continuous and uninterrupted. It seems that a standby structure of the gas supply has been fully autonomous with the function of gas supply, increase, gas supply, to provide sufficient time for maintenance.
Two way gas pressure regulating cabinet and automatic fault routing principle
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