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发明公开
CN105757455A 一种天然气差压能量回收机组装置 无效 - 驳回

一种天然气差压能量回收机组装置
摘要：
本发明提供一种天然气差压能量回收机组装置，设置在天然气来气管线与天然气低压设备管线之间，包括透平膨胀机，透平膨胀机的进气管线与天然气来气管线连接，透平膨胀机的排气管线与需要低压天然气的设备管线连接，透平膨胀机还与离合器连接，电机的输出轴与压缩机同轴连接，电机的另一端通过离合器与透平膨胀机同轴连接。相对于现有技术，本发明透平膨胀机与调压器支路并联设置，在透平膨胀机出现故障时，在离合器快速分离的同时，气路能快速切换到调压支路，不影响系统的正常运行。通过透平膨胀机设置，能在有效的代替调压器实现降压功能的同时，对外做功，带动压缩机的运行，有效的降低了自耗电，实现能源的充分利用。
摘要（英）：

The invention provides a natural gas differential pressure energy recovery unit device which is arranged between a natural gas inlet pipeline and a natural gas low pressure equipment pipeline.The device comprises a turbo expander, a gas inlet pipeline of the turbo expander is connected with the natural gas inlet pipeline, an exhaust pipeline of the turbo expander is connected with the equipment pipeline in need of natural gas, the turbo expander is further connected with a clutch, an output shaft of a motor is coaxially connected with a compressor, and the other end of the motor is coaxially connected with the turbo expander through the clutch.Compared with the prior art, the turbo expander of the natural gas differential pressure energy recovery unit device and a pressure regulator subcircuit are arranged in parallel, when the turbo expander breaks down and the clutch separates quickly, a gas circuit can be switched to the pressure regulator subcircuit rapidly, and normal operation of a system is not influenced.Through arrangement of the turbo expander, a pressure regulator can be effectively replaced to achieve the function of lowering the pressure, meanwhile, action is conducted outward, the compressor is driven to run, self-consumed electricity is effectively reduced, and full utilization of energy is achieved.

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