Regarding steam turbine compressors
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I have a question: the diagram shows a steam turbine compressor, and I’m not quite sure how it works. On the left side is the steam turbine, while on the right side is the compressor. C-2001 and C-2002 are used to compress fresh gas and recycled gas respectively. Are C-2001 and C-2002 two separate compressors? Is it a turbine with two separate compressors?
Yes, based on your description, C-2001 and C-2002 are two separate compressors, used respectively to compress fresh gas and recycled gas. In this configuration, typically one steam turbine drives these two compressors, but the two compressors operate independently, handling different gas streams. The steam turbine on the left side provides power to these two compressors through a rotating mechanical connection (such as a shaft). .
It should be a device. Strictly speaking, a PID diagram cannot determine whether it represents a single device, but since the two compressors in the diagram are connected by solid lines (a rigid connection), and they are enclosed within a dashed line frame, it is highly likely that it refers to one device. I don’t understand why a solid line is used between the two sections of the turbine.
First, let’s clarify the name: a turbine is a type of equipment, and this term is rather general. Turbines, compressors, boosters, and the like in this form can all be referred to as “turbines”. Based on your description of “steam turbine,” it would be more appropriate to call it a “steam engine.” That turbo compressor is simply referred to as a turbine compressor; it can also be called a compressor, with \"booster\" being a better term to distinguish it from AC types. Then, this diagram shows a partial view of the air circuit in the power conversion section of a complete project’s process diagram; by understanding everything related to this part, including who it serves, it becomes easier to comprehend the name of the project. The function of this diagram is to use the pressure energy of steam to drive a turbine, which in turn drives a gas compressor to increase the gas pressure, thereby providing it for users. There are two possible interpretations regarding two compressors: one is to generate two gas pressures for external output, and the other is to increase pressure by connecting the two compressors in series. Guess what: this diagram is similar to the air compression section (the power section) of the flowchart for a deep cold air separation unit. For reference.