Self powered gas regulator moistening the production of high quality equipment
The natural gas pressure regulator is the core equipment of the natural gas pressure regulating station. Its function is to adjust the higher pressure upstream to lower pressure required by the downstream, and to keep the pressure of the outlet as a constant value. The voltage regulator is a kind of high reliability device, but due to the influence of the impurities in the medium, the working condition parameters and the failure of the regulator itself, it has a certain influence on the normal work of the voltage regulator, and even causes the interruption of the voltage regulator to cause the interruption of the gas supply.
Natural gas regulator is a pressure reducing valve used in natural gas pipeline. The basic function of the regulator is to maintain the system pressure in the range of technological requirements. The self powered voltage regulator does not need an external driving energy, and depends on the pressure change of the medium itself. When the flow and inlet pressure change, the pressure of the outlet is kept constant. The working principle is explained in combination with diagram 1. The regulator consists of a command device, a preload device and a main valve.
When starting, the conductor controls the spring to control the spring of the conductor to open the valve port of the conductor. The inlet pressure P1 is throttled through the valve outlet to become the driving force P3. The P3 acts on the large leather film, passes through the top rod, makes the main spring compressed, the main valve opening is opened, the output air forms the outlet pressure P2; at the same time, P2 is reacted on the large leather film and the conductor skin. On the membrane, the main valve port and the command valve port are closed.
The controller controls the spring to control the spring, and the P2 is adjusted to the set value. At this time, the force of the P2 and the main spring on the large membrane is in balance with the force on the P3; and the force of the control spring on the conductor is also in balance, and the outlet pressure is stable in P2. When the downstream load increases P2, the balance damage, the opening of the valve mouth and the main valve mouth increase, the flow increases to the set value, and the voltage regulator is in the balance state. When the downstream pressure P2 rises, the pressure regulation process is the opposite.
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