Waste oil electrical generation systems

• US 20060118065A1
• Filed: 01/09/2006
• Published: 06/08/2006
• Est. Priority Date: 11/10/2003
• Status: Active Grant

• Current Assignee: Terry E. Bassett
• Original Assignee: Terry E. Bassett
• Inventors: Bassett, Terry E.
• Granted Patent: US 7,279,800 B2
• Time in Patent Office: Days
• US Class Current: 123/3
• CPC Class Codes: F23G 5/46 Recuperation of heat
• CPC Class Codes: F23G 7/05 of waste oils
• CPC Class Codes: F23M 2900/13003 Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant
• CPC Class Codes: F23M 2900/13004 Energy recovery by thermo-photo-voltaic [TPV] elements arranged in the combustion plant
• CPC Class Codes: Y02E 20/12 Heat utilisation in combustion or incineration of waste

Abstract

An on-site electrical power generation system utilizing environmentally hazardous waste oils as a combustible fuel. The disclosed invention utilizes environmentally hazardous waste oils generated by one or more on-site processes, such as, for example, by the maintenance of transportation vehicles. In addition, the system is adapted to provide local space heating and hot water as a byproduct of the combustion process.

Claims

1. ) A system related to on-site burning of on-site-generated environmentally hazardous waste oils for the purpose of on-site electrical power generation, said system comprising:

a) at least one holder structured and arranged to hold such on-site-generated environmentally hazardous waste oils;

b) at least one combustion heater structured and arranged to produce combustion heat by burning such on-site-generated environmentally hazardous waste oils;

c) at least one waste oil transfer component structured and arranged to transfer such on-site-generated environmentally hazardous waste oils from said at least one holder to said at least one combustion heater;

d) at least one heat energy converter structured and arranged to convert such combustion heat to electrical power;

e) at least one primary heat exchanger structured and arranged to transfer such combustion heat to said at least one heat energy converter; and

f) at least one on-site electrical circuit adapted to utilize the electrical power;

g) wherein said at least one primary heat exchanger is in operational communication with said at least one combustion heater; and

h) wherein said at least one combustion heater comprises;

i) at least one atomizer structured and arranged to atomize such on-site-generated environmentally hazardous waste oils prior to combustion; and

ii) at least one igniter adapted to ignite such on-site-generated environmentally hazardous waste oils after such environmentally hazardous waste oils have passed through said at least one atomizer.

2. ) The system according to claim 1 wherein said at least one heat energy converter comprises at least one thermocouple-based electrical power generator adapted to generate the electrical power utilizing the combustion heat.

3. ) The system according to claim 1 wherein said at least one heat energy converter comprises at least one thermophotovoltaic electrical power generator adapted to generate the electrical power utilizing the combustion heat.

4. ) The system according to claim 1 wherein said at least one heat energy converter comprises:

a) at least one heat-driven gasification generator adapted to generate at least one fuel gas utilizing the combustion heat; and

b) at least one fuel cell adapted to generate electrical power utilizing such at least one fuel gas.

5. ) The system according to claim 1 wherein said at least one heat energy converter comprises:

a) at least one heat-to-mechanical power converter adapted to convert such combustion heat to mechanical power; and

b) operationally coupled to said at least one heat-to-mechanical power converter, at least one electrical generator adapted to the generate electrical power.

6. ) The system according to claim 5 wherein said at least one heat-to-mechanical power converter comprises at least one Stirling-cycle engine structured and arranged to use the mechanical output of at least one Stirling cycle to produce mechanical power.

7. ) The system according to claim 5 wherein said at least one heat-to-mechanical power converter comprises at least one steam powered turbine adapted to convert steam pressure to mechanical power.

8. ) The system according to claim 5 wherein said at least one heat-to-mechanical power converter comprises at least one hydrocarbon vapor turbine adapted to convert at least one hydrocarbon vapor pressure to mechanical power.

9. ) The system according to claim 1 wherein said at least one on-site electrical circuit comprises at least one electrical network connected to at least one larger electrical grid.

10. ) The system according to claim 9 wherein said at least one electrical network further comprises at least one electrical controller structured and arranged to control electrical power within said at least one electrical network.

11. ) The system according to claim 9 wherein said at least one electrical controller is structured and arranged to control transfers of electrical power between said at least one electrical network and the at least one larger electrical grid.

12. ) The system according to claim 9 wherein:

a) said at least one electrical network further comprises at least one electrical storage device structured and arranged to store electrical power; and

b) said at least one electrical controller is structured and arranged to control at least one transfer of electrical power between said at least one electrical storage device and said at least one electrical network.

13. ) The system according to claim 1 further comprising at least one secondary heat exchanger structured and arranged to transfer at least one portion of the combustion heat to at least one heatable fluid.

14. ) The system according to claim 13 wherein said at least one secondary heat exchanger is structured and arranged to transfer heat to air, usable for space heating.

15. ) The system according to claim 14 wherein the heatable fluid comprises at least one liquid.

16. ) The system according to claim 1 wherein said at least one holder comprises at least one collector structured and arranged to assist in collecting such on-site-generated environmentally hazardous waste oils.

17. ) The system according to claim 13 wherein:

a) such combustion heat produced by said at least one combustion heater comprises at least one directed heat flow;

b) at least one portion of said at least one primary heat exchanger is positioned to be in thermal communication with such at least one directed heat flow; and

c) said at least one primary heat exchanger is structured and arranged to direct at least one portion of such at least one directed heat flow to at least one portion of said at least one secondary heat exchanger.

18. ) The system according to claim 1 wherein said at least one waste oil transfer component comprises:

a) at least one pump to pump such on-site-generated environmentally hazardous waste oils from said at least one holder to said at least one combustion heater;

b) at least one flow volume regulator adapted to regulate the flow volume of such on-site-generated environmentally hazardous waste oils pumped from said at least one holder to said at least one combustion heater; and

c) at least one pre-heater structured and arranged to preheat such environmentally hazardous waste oils prior to burning.

19. ) The system according to claim 1 wherein:

a) said at least one combustion heater comprises a maximum capacity of not more than 0.5 million BTU input per hour; and

b) combustion gasses produced by the combustion of such on-site-generated environmentally hazardous waste oils are substantially vented to the ambient air.

20. ) A system related to on-site burning of on-site-generated environmentally hazardous waste oils for the purpose of on-site electrical power generation, said system comprising:

a) at least one holder structured and arranged to hold such on-site-generated environmentally hazardous waste oils;

b) at least one combustion heater structured and arranged to produce combustion heat by burning such on-site-generated environmentally hazardous waste oils;

c) at least one waste oil transfer component structured and arranged to transfer such on-site-generated environmentally hazardous waste oils from said at least one holder to said at least one combustion heater;

d) at least one heat energy converter structured and arranged to convert such combustion heat to electrical power; and

e) at least one primary heat exchanger structured and arranged to transfer such combustion heat to said at least one heat energy converter;

f) wherein said at least one holder comprises at least one collector structured and arranged to assist in on-site collecting of such on-site-generated environmentally hazardous waste oils;

g) wherein said at least one waste oil transfer component comprises

i) at least one pump to pump such on-site-generated environmentally hazardous waste oils from said at least one holder to said at least one combustion heater,

ii) at least one flow volume regulator adapted to regulate the flow volume of such on-site-generated environmentally hazardous waste oils pumped from said at least one holder to said at least one combustion heater, and

iii) at least one pre-heater structured and arranged to preheat such environmentally hazardous waste oils prior to burning;

h) wherein said at least one primary heat exchanger is in operational communication with said at least one combustion heater; and

i) wherein said at least one combustion heater comprises;

i) at least one atomizer structured and arranged to atomize such on-site-generated environmentally hazardous waste oils prior to combustion; and

ii) at least one igniter adapted to ignite such on-site-generated environmentally hazardous waste oils after such environmentally hazardous waste oils have passed through said at least one atomizer.

21. ) The system according to claim 20 further comprising:

a) at least one secondary heat exchanger structured and arranged to transfer at least one portion of the combustion heat to at least one heatable fluid;

b) wherein such combustion heat produced by said at least one combustion heater comprises at least one directed heat flow;

c) wherein at least one portion of said at least one primary heat exchanger is positioned to be in thermal communication with such at least one directed heat flow; and

d) wherein said at least one primary heat exchanger is structured and arranged to direct at least one portion of such at least one directed heat flow to at least one portion of said at least one secondary heat exchanger.

22. ) The system according to claim 21 further comprising at least one on-site electrical circuit adapted to utilize the electrical power.

23. ) The system according to claim 22 wherein:

a) said at least one on-site electrical circuit comprises at least one electrical network connected to at least one larger electrical grid;

b) said at least one electrical network comprises at least one electrical controller structured and arranged to control electrical power within said at least one electrical network; and

c) said at least one electrical controller is structured and arranged to control transfers of electrical power between said at least one electrical network and the at least one larger electrical grid.

24. ) The system according to claim 23 wherein:

a) said at least one electrical network further comprises at least one electrical storage device structured and arranged to store electrical power; and

b) said at least one electrical controller is structured and arranged to control at least one transfer of electrical power between said at least one electrical storage device and said at least one electrical network.

25. ) The system according to claim 24 wherein said at least one heat energy converter comprises at least one thermocouple-based electrical power generator adapted to generate the electrical power utilizing the combustion heat.

26. ) The system according to claim 24 wherein said at least one heat energy converter comprises:

at least one thermophotovoltaic electrical power generator adapted to generate the electrical power utilizing the combustion heat.

27. ) The system according to claim 24 wherein said at least one heat energy converter comprises:

a) at least one heat-driven gasification generator adapted to generate at least one fuel gas utilizing the combustion heat; and

b) at least one fuel cell adapted to generate electrical power utilizing such at least one fuel gas.

28. ) The system according to claim 24 wherein said at least one heat energy converter comprises:

a) at least one heat-to-mechanical power converter adapted to convert such combustion heat to mechanical power; and

b) operationally coupled to said at least one heat-to-mechanical power converter, at least one electrical generator adapted to the generate electrical power.

29. ) The system according to claim 28 wherein said at least one heat-to-mechanical power converter comprises at least one Stirling-cycle engine structured and arranged to use the mechanical output of at least one Stirling cycle to produce mechanical power.

30. ) The system according to claim 28 wherein said at least one heat-to-mechanical power converter comprises at least one steam powered turbine adapted to convert steam pressure to mechanical power.

31. ) The system according to claim 28 wherein said at least one heat-to-mechanical power converter comprises at least one hydrocarbon vapor turbine adapted to convert at least one hydrocarbon vapor pressure to mechanical power.

32. ) The system according to claim 21 wherein said at least one secondary heat exchanger is structured and arranged to transfer heat to air, usable for space heating.

33. ) The system according to claim 21 wherein the heatable fluid comprises at least one liquid.

34. ) A method, related to on-site burning of on-site-generated environmentally hazardous waste oils for the purpose of on-site electrical power generation comprising the steps of:

a) establishing at least one on-site process to generate such on-site-generated environmentally hazardous waste oils;

b) collecting such on-site-generated environmentally hazardous waste oils;

c) producing combustion heat by burning such environmentally hazardous waste oils in at least one on-site combustion heater; and

d) producing on-site electrical power by converting such combustion heat to electrical power.

35. ) The method according to claim 34 further comprising the steps of:

a) establishing at least one connection to at least one larger electrical grid; and

b) selling at least one portion of such on-site electrical power by way of such at least one larger electrical grid.

36. ) The method according to claim 34 further comprising the step of using such combustion heat for on-site heating uses.

37. ) The method according to claim 34 further comprising the step of using such electrical power for at least one on-site electrical use.

38. ) The method according to claim 34 further comprising the steps of:

a) providing at least one on-site electrical storage device structured and arranged to store at least one portion of such electrical power; and

b) storing at least one portion of such electrical power within such at least one on-site electrical storage device.

39. ) The method according to claim 34 further comprising the initial step of collecting such environmentally hazardous waste oils from at least one off-site, non-commercial, waste oil source.

40. ) The method according to claim 34 wherein such at least one on-site process comprises the step of performing at least one on-site maintenance service on at least one transportation vehicle to generate such on-site-generated environmentally hazardous waste oils.