Systems and methods for producing a product gas are provided. In one embodiment, a system includes at least one separation bed to separate adsorbable components from a gas source, a valving means to selectively direct gas from the gas source to the at least one separation bed, at least one sensing d
Systems and methods for producing a product gas are provided. In one embodiment, a system includes at least one separation bed to separate adsorbable components from a gas source, a valving means to selectively direct gas from the gas source to the at least one separation bed, at least one sensing device associated with the at least one separation bed to sense the progress of an adsorption zone within the separation bed, and a controller. The controller includes logic to read the output of the at least one sensing device and control the gas separation process based on the progress of the adsorption zone.
대표청구항▼
1. A system for producing a product gas, comprising: a product gas separator, comprising a first separation bed to separate adsorbable components from a gas source;a product tank to store product gas;a pressure sensor associated with the product tank;at least one adsorption zone sensing device assoc
1. A system for producing a product gas, comprising: a product gas separator, comprising a first separation bed to separate adsorbable components from a gas source;a product tank to store product gas;a pressure sensor associated with the product tank;at least one adsorption zone sensing device associated with the first separation bed to sense the progress of an adsorption zone within the first separation bed and provide an output;a controller, comprising logic to: read the output of the pressure sensor;read the output of the at least one adsorption zone sensing device; andcontrol the separation of the adsorbable components from the gas source based on the pressure of the product gas and stored control parameters, wherein the stored control parameters are based on the output of the at least one adsorption zone sensing device. 2. The system of claim 1, wherein the controller further comprises logic to: determine when the adsorption zone reaches or nearly reaches an outlet of the first separation bed based at least in part on the output of the at least one adsorption zone sensing device or the output of the pressure sensor; andwherein controlling the separation of the adsorbable components from the gas source includes selectively directing gas to the first separation bed based on when the adsorption zone reaches or nearly reaches the outlet of the first separation bed. 3. The system of claim 1, further comprising: a second separation bed;an equalization device connected to the first and second separation beds to selectively direct gas from one separation bed to the other separation bed;wherein the controller further comprises logic to: control the equalization device to selectively direct gas from one separation bed to the other separation bed based at least in part on the output of the at least one adsorption zone sensing device or the output of the pressure sensor. 4. The system of claim 3, wherein the controller further comprises logic to: determine when the adsorption zone reaches or nearly reaches an outlet of the first and second separation beds based at least in part on the output of the at least one adsorption zone sensing device or the output of the pressure sensor; andwherein controlling the equalization device includes selectively directing gas to the first and second separation beds when the adsorption zone reaches or nearly reaches the outlet of the first and second separation beds. 5. The system of claim 1, wherein the controller further comprises logic to: determine an output volume rate for the product gas based on the output of the pressure sensor; andwherein controlling the separation of the adsorbable components from the gas source is based at least in part on the output volume rate for the product gas. 6. The system of claim 1, wherein the controller further comprises logic to: determine an average time for the adsorption zone to reach or nearly reach an outlet of the first separation bed based at least in part on the output of the at least one sensing device or the output of the pressure sensor; andwherein controlling the separation of the adsorbable components from the gas source is based at least in part on the average time for the adsorption zone to reach or nearly reach the outlet of the first separation bed. 7. The system of claim 6, wherein the controller further comprises logic to: calculate a percentage of the average time for the adsorption zone to reach or nearly reach the outlet of the first separation bed; andwherein controlling the separation of the adsorbable components from the gas source is based at least in part on the percentage of the average time for the adsorption zone to reach or nearly reach the outlet of the first separation bed. 8. The system of claim 1, further comprising: a gas concentration sensor to sense the concentration of a gas component of the produced product gas and to provide an output; andwherein controlling the separation of the adsorbable components from the gas source is based at least in part on the output of the concentration sensor. 9. The system of claim 1, wherein the at least one adsorption zone sensing device associated with the first separation bed comprises at least one of a gas concentration sensor, a temperature sensor, a flow rate sensor, and a pressure sensor. 10. The system of claim 1, further comprising: a desorption zone sensing device to sense the progress of desorption within the first separation bed and provide an output; andwherein controlling the separation of the adsorbable components from the gas source is further based at least in part on the output of the desorption zone sensing device. 11. The system of claim 1, wherein controlling the separation of the adsorbable components from the gas source comprises triggering a valving means connected to the first separation bed to selectively direct gas from the gas source to the first separation bed. 12. The system of claim 1, wherein controlling the separation of the adsorbable components from the gas source affects the pressure of the product gas at the product tank. 13. A system for producing a product gas, comprising: a product gas separator, comprising at least one separation bed assembly to separate adsorbable components from a gas source;at least one sensing device associated with the at least one separation bed assembly to sense the progress of an adsorption zone within the at least one separation bed assembly and provide an output;a controller, comprising logic to: read a first set of operational parameters;read the output of the at least one sensing device;adjust the set of operation parameters based on the at least one sensing device output; andcontrol the product gas separator based on the adjusted set of operational parameters. 14. The system of claim 13, wherein the controller further comprises logic to: determine when the adsorption zone reaches or nearly reaches an outlet of the at least one separation bed assembly based at least in part on the output of the at least one sensing device; andwherein adjusting the set of operation parameters is based at least in part on when the adsorption zone reaches or nearly reaches the outlet of the at least one separation bed assembly. 15. The system of claim 13, wherein the controller further comprises logic to: determine an average time for the adsorption zone to reach or nearly reach an outlet of the at least one separation bed assembly based at least in part on the output of the at least one sensing device; andwherein adjusting the set of operation parameters is based at least in part on the average time for the adsorption zone to reach or nearly reach the outlet of the first and second separation bed assemblies. 16. The system of claim 15, wherein the controller further comprises logic to: calculate a percentage of the average time for the adsorption zone to reach or nearly reach the outlet of the at least one separation bed assembly; andwherein adjusting the set of operation parameters is based at least in part on the percentage of the average time for the adsorption zone to reach or nearly reach the outlet of the at least one separation bed assembly. 17. The system of claim 13, wherein the at least one separation bed assembly comprises first and second separation bed assemblies, and wherein the at least one sensing device is associated with the first and second separation bed assemblies, and wherein the product gas separator comprises the first and second separation bed assemblies to selectively direct gas from the gas source to the first and second separation bed assemblies. 18. The system of claim 17, further comprising: an equalization device connected to the first and second separation bed assemblies to selectively direct gas from one separation bed assembly to the other separation bed assembly; andwherein the controller further comprises logic to: control the equalization device based on the adjusted set of operational parameters. 19. The system of claim 17, wherein the at least one sensing device associated with the first and second separation bed assemblies comprises: a first sensing device to sense the progress of an adsorption zone within the first separation bed assembly and provide a first output; anda second sensing device to sense the progress of a desorption within the first separation bed assembly and provide a second output; andwherein adjusting the set of operation parameters is based at least in part on the first output of the first sensing device and the second output of the second sensing device. 20. A method of producing a product gas, comprising: reading a first set of operating parameters;measuring the progress of an adsorption zone within at least one separation bed;measuring a pressure of the produced product gas;changing the operating parameters based on the measured progress of the adsorption zone and the pressure of the produced product gas; andproducing the product gas based on the changed operating parameters. 21. The system of claim 13, wherein the at least one sensing device comprises at least one of a gas concentration sensor, a temperature sensor, a flow rate sensor, and a pressure sensor.
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