A method includes operating an apparatus having a mash circulating and recirculating system with pump and fermentation tank, an atmosphere circulating and recirculating system with blower for recirculating atmosphere between the tank and an ethanol-removal station, and an integrated refrigerating he
A method includes operating an apparatus having a mash circulating and recirculating system with pump and fermentation tank, an atmosphere circulating and recirculating system with blower for recirculating atmosphere between the tank and an ethanol-removal station, and an integrated refrigerating heat-transfer system with first coils remote from the tank for condensing out ethanol from the atmosphere, and second coils for warming the mash. The entire apparatus can be up-sized or down-sized for specific applications. In one form, the system includes electrically-driven pump, blower, and refrigeration compressors, with the external energy consumption being entirely electrical and kept surprisingly low.
대표청구항▼
1. A method for producing and separating ethanol from mash, comprising steps of: providing an integrated system including a mash circulating-and-recirculating-and-fermenting system, an atmosphere circulating system, and a refrigerating/heat-transfer system;operating a pump in the circulating-and-rec
1. A method for producing and separating ethanol from mash, comprising steps of: providing an integrated system including a mash circulating-and-recirculating-and-fermenting system, an atmosphere circulating system, and a refrigerating/heat-transfer system;operating a pump in the circulating-and-recirculating-and-fermenting system to move mash from a fermentation tank to a warming station with first coils and then to move the mash back into the fermentation tank to facilitate mixing and fermentation;operating a blower in the atmosphere circulating-and-recirculating system to draw ethanol-laden atmosphere off of the fermentation tank, and to move the ethanol-laden atmosphere past second coils in an ethanol-removing station to wring out an ethanol/water mixture to leave a remaining atmosphere, and to move the remaining atmosphere back to the fermentation tank; andoperating a compressor in the refrigerating/heat-transfer system to move coolant fluid from the first coils in the ethanol-removing station where heat is removed from the atmosphere as part of wringing out the ethanol/water mixture and to move the coolant fluid to the second coils where heat is removed from the coolant fluid to warm the mash in the warming station. 2. The method defined in claim 1, including operating each of the pump, the blower, and the compressor electrically. 3. The method defined in claim 1, including operating the pump, blower, and compressor all on an electrical source of single phase electrical power. 4. The method defined in claim 1, including dispensing mash into the fermentation tank from a top of the fermentation tank when moving the mash back into the fermentation tank. 5. The method defined in claim 4, including providing at least one distributer at the top of the fermentation tank, and pumping the mash through the distributer to distribute the mash being returned to the fermentation tank. 6. The method defined in claim 5, including operating the distributer to spread at least part of the mash against sidewalls of the fermentation tank. 7. The method defined in claim 1, including extending a batch cycle time of the integrated system by adding fresh mash into the fermentation tank. 8. The method defined in claim 4, including continuously recirculating mash and continuously recirculating the atmosphere. 9. The method defined in claim 1, further including a step of collecting spent mash and feeding it to livestock. 10. The method defined in claim 1, further including emptying the mash from the fermentation tank; putting the ethanol/water mixture into the fermentation tank; andoperating the integrated system on the ethanol/water mixture to generate a second mixture of ethanol and water, the second mixture having an increased concentration of ethanol when compared to the ethanol/water mixture. 11. The method defined in claim 1, further including: constructing a modular unit by supporting on a support frame the refrigerating/heat-transfer system including the compressor, the first coils, and the second coils;moving the modular unit to an installation site; andpositioning the fermentation tank adjacent to the modular unit, and connecting the fermentation tank to the modular unit to provide a functional system. 12. The method defined in claim 11, wherein the step of constructing the modular unit includes supporting one or both of the pump and the blower on the support frame. 13. The method defined in claim 12, including supporting both of the pump and blower on the support frame.
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