Systems and methods for utilizing turbine systems within gas processing systems

A system, comprising:

• a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• and
• a solvent gas processing controller comprising at least one processor, and a memory configured to execute instructions stored on the memory, wherein the at least one processor is configured to:
• receive feedback from one or more sensors disposed throughout a solvent gas processing system related to one or more operating parameters of the solvent gas processing system;
• determine whether the first flow of the high pressure fluid stream from the high pressure reaction vessel and into a turbine system is within an operational flow range for a main nozzle of the turbine system based on the received feedback;
• open an auxiliary nozzle valve if the first flow of the high pressure fluid stream exceeds the operational flow range;
• and
• close the auxiliary nozzle valve if the first flow of the high pressure fluid stream falls below the operational flow range;
• wherein the one or more sensors comprises a level transmitter disposed within the high pressure reaction vessel, and wherein the level transmitter is configured to transmit information related to the first flow of the high pressure fluid stream.

A method, comprising:

• removing an acid gas from an untreated feed gas within a high pressure reaction vessel, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• receiving the first flow of the high pressure stream from the high pressure reaction vessel via a turbine system, wherein the high pressure stream is configured to drive the turbine system;
• determining, via a solvent gas processing controller, whether the first flow of the high pressure fluid stream falls within an operational flow range of a main nozzle of the turbine system;
• adjusting one or more operational parameters of the turbine system if the first flow of the high pressure fluid stream falls outside of the operational flow range of the main nozzle;
• controlling an auxiliary nozzle valve, a bypass valve, or a throttle valve to increase or decrease the first flow of the high pressure fluid stream to the turbine system if the first flow of the high pressure fluid stream falls outside of the operational flow range of the main nozzle;
• and
• controlling the bypass valve or the throttle valve to increase or decrease the first flow of the high pressure stream to the turbine system if the first flow of the high pressure fluid stream falls outside of the operational flow range of the main nozzle and a second operational flow range of the auxiliary nozzle.

A system, comprising:

• a solvent gas processing system, comprising:
• a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent fluid stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• a turbine having a main nozzle, an auxiliary nozzle, and an outlet, wherein the main nozzle is configured to receive a second flow of the high pressure fluid stream from the first flow path via a main flow path, and wherein the second flow of the high pressure fluid stream is a portion of the first flow, and wherein the high pressure fluid stream is configured to drive the turbine;
• an auxiliary nozzle valve disposed along an auxiliary flow path, wherein the auxiliary nozzle valve is configured to control a third flow of the high pressure fluid stream into the auxiliary nozzle of the turbine, and wherein the third flow of the high pressure fluid stream is a portion of the first flow;
• and
• a first throttle valve disposed along an outlet flow path, wherein the first throttle valve is configured to control a fourth flow of a low pressure fluid stream out of the outlet, and wherein the first throttle valve is configured to close or partially close when the first flow or a desired first flow of the high pressure fluid stream is less than a first flow capacity of the main nozzle.

A system, comprising:

• a solvent gas processing system, comprising:
• a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent fluid stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• a turbine having a main nozzle, an auxiliary nozzle, and an outlet, wherein the main nozzle is configured to receive a second flow of the high pressure fluid stream from the first flow path via a main flow path, and wherein the second flow of the high pressure fluid stream is a portion of the first flow, and wherein the high pressure fluid stream is configured to drive the turbine;
• an auxiliary nozzle valve disposed along an auxiliary flow path, wherein the auxiliary nozzle valve is configured to control a third flow of the high pressure fluid stream into the auxiliary nozzle of the turbine, and wherein the third flow of the high pressure fluid stream is a portion of the first flow;
• a first throttle valve disposed along an outlet flow path, wherein the first throttle valve is configured to control a fourth flow of a low pressure fluid stream out of the outlet;
• and
• a second throttle valve disposed along the main flow path or the first flow path, wherein the second throttle valve is configured to control the flow of the high pressure fluid stream from the high pressure reaction vessel.

A system, comprising:

• a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• and
• a solvent gas processing controller comprising at least one processor, and a memory configured to execute instructions stored on the memory, wherein the at least one processor is configured to:
• receive feedback from one or more sensors disposed throughout a solvent gas processing system related to one or more operating parameters of the solvent gas processing system;
• determine whether the first flow of the high pressure fluid stream from the high pressure reaction vessel and into a turbine system is within an operational flow range for a main nozzle of the turbine system based on the received feedback;
• open an auxiliary nozzle valve if the first flow of the high pressure fluid stream exceeds the operational flow range;
• close an auxiliary nozzle valve if the first flow of the high pressure fluid stream falls below the operational flow range;
• and
• adjust a bypass valve or a throttle valve to increase or decrease the first flow of the high pressure fluid stream into the turbine system.

A system, comprising:

• a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;
• and
• a solvent gas processing controller comprising at least one processor, and a memory configured to execute instructions stored on the memory, wherein the at least one processor is configured to:
• receive feedback from one or more sensors disposed throughout a solvent gas processing system related to one or more operating parameters of the solvent gas processing system;
• determine whether the first flow of the high pressure fluid stream from the high pressure reaction vessel and into a turbine system is within an operational flow range for a main nozzle of the turbine system based on the received feedback;
• open an auxiliary nozzle valve if the first flow of the high pressure fluid stream exceeds the operational flow range;
• and
• close an auxiliary nozzle valve if the first flow of the high pressure fluid stream falls below the operational flow range;
• wherein the controller comprises a display having user inputs and outputs configured to receive the operational flow range from an operator.