Natural gas differential pressure energy recovery unit device
An energy recovery and natural gas technology, applied in steam engine installations, mechanical equipment, machines/engines, etc., can solve the problems of energy waste and high gas source pressure, and achieve the effect of reducing self-consumption and realizing full utilization.
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[0012] As attached figure 1 As shown, a natural gas differential pressure energy recovery unit device is arranged between the natural gas incoming pipeline and the natural gas low-pressure equipment pipeline, and is characterized in that it includes a turbine expander 1, and the inlet pipeline of the turbine expander 1 and the natural gas source The gas pipeline is connected. The exhaust pipeline of the turboexpander 1 is connected to the equipment pipeline that requires low-pressure natural gas. The turboexpander 1 is also connected to the clutch 2. The output shaft of the motor 3 is coaxially connected to the compressor 4, and the other of the motor 3 One end is coaxially connected with the turbo expander 3 through the clutch 2, and the compressor is used to pressurize natural gas and refrigerant to meet the process requirements.
[0013] The motor 3 is a synchronous motor, and its input power can be changed according to the output power of the turbo expander 1. When the output...
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