Exhaust heat recovery from a mobile power generation system
A system and a method for heating source fluid, comprising: a turbine-electric generator transport comprising: an inlet plenum and an exhaust collector; a turbine connected to the inlet plenum and the exhaust collector; and an electric-generator coupled to the turbine; an exhaust heat recovery transport comprising: a combustion air connection coupled to the inlet plenum; an exhaust air connection coupled to the exhaust collector; a heat transfer assembly coupled to the exhaust air connection; and a fluid system coupled to the heat transfer assembly; an inlet and exhaust transport comprising: an air inlet filter housing coupled to the combustion air connection; and an exhaust stack coupled to the exhaust air connection.
1. A system for heating source fluid, the system comprising:
a turbine-electric generator transport comprising:
an inlet plenum disposed upstream to an intake end of a turbine and an exhaust collector disposed downstream to an exhaust end of the turbine;
the turbine connected between the inlet plenum and the exhaust collector; and
an electric-generator coupled to the turbine;
an exhaust heat recovery transport comprising:
a combustion air connection detachably connected to the inlet plenum of the turbine on an upstream side of the inlet plenum;
an exhaust air connection detachably connected to the exhaust collector on a downstream side of the exhaust collector;
a heat transfer assembly coupled to the exhaust air connection; and
a fluid system coupled to the heat transfer assembly; and
an inlet and exhaust transport comprising:
an air inlet filter housing detachably coupled to the combustion air connection on an upstream side of the combustion air connection; and
an exhaust stack detachably coupled to the exhaust air connection on a downstream side of the exhaust air connection.
2. The system of claim 1 , wherein the exhaust heat recovery transport comprises an inlet ventilation connection coupled to an enclosure of the turbine-electric generator transport.
3. The system of claim 2 , wherein the inlet and exhaust transport further comprises an ambient air heating system coupled to weather hoods attached to the air inlet filter housing.
4. The system of claim 1 , wherein the exhaust heat recovery transport further comprises a ventilation air connection that connects to an enclosure ventilation inlet of the turbine-electric generator transport.
5. The system of claim 1 , wherein the heat transfer assembly includes a heat exchanger configured to run dry.
6. The system of claim 1 , wherein the fluid system includes at least one control valve that controls a flow rate of incoming source fluid that enters the heat transfer assembly, wherein controlling the flow rate controls a temperature of the incoming source fluid as it exits the heat transfer assembly.
7. The system of claim 1 , wherein the exhaust heat recovery transport comprises one or more pump assemblies coupled to the fluid system and one or more electric motors controlled by one or more variable frequency drives and coupled to the pump assemblies.
8. The system of claim 1 , wherein the combustion air connection comprises a heat recovery combustion connector that rotates when transitioning from a transportation mode to an operational mode.
9. The system of claim 1 , wherein the heat transfer assembly is located within an exhaust air flow path.
10. The system of claim 1 , wherein the exhaust air connection comprises a first heat recovery exhaust connector and a second heat recovery exhaust connector, and wherein the first heat recovery exhaust connector and the second heat recovery exhaust connector are disconnected in a transportation mode and connected in an operational mode.
11. The system of claim 10 , wherein the heat transfer assembly is located within the second heat recovery exhaust connector that connects to the exhaust collector.
12. A method for heating source fluid, the method comprising:
receiving, at a heat transfer assembly of an exhaust heat recovery transport, exhaust air from a turbine-electric generator system;
determining a temperature and a flow rate of the exhaust air;
measuring an incoming temperature and a flow rate for a source fluid;
pumping the source fluid in the heat transfer assembly at a pressure based on the temperature and the flow rate of the exhaust air and the incoming temperature and the flow rate for the source fluid;
transferring, within the heat transfer assembly, thermal energy from the exhaust air to the source fluid to generate a heated source fluid; and
discharging the heated source fluid from the heat transfer assembly.
13. The method of claim 12 , wherein pumping the source fluid in the heat transfer assembly comprises adjusting one or more control valves to adjust the flow rate for the source fluid into the heat transfer assembly.
14. The method of claim 13 , further comprising readjusting the flow rate of the source fluid based on a determination that the temperature of the exhaust air, the flow rate of the exhaust air, or both has changed.
15. The method of claim 12 , further comprising heating ambient air around an inlet of an inlet and exhaust transport that is coupled to the exhaust heat recovery transport.
16. The method of claim 12 , further comprising:
bypassing a portion of the source fluid away from the heat transfer assembly; and
mixing the bypassed portion of the source fluid with the heated source fluid discharged from the heat transfer assembly.
17. The method of claim 12 , further comprising:
receiving, at the heat transfer assembly, exhaust air from the turbine-electric generator system without pumping source fluid into the heat transfer assembly.
18. An exhaust heat recovery transport comprising:
a combustion air connection configured to provide combustion air to an inlet plenum of a power generation system;
an exhaust air connection configured to receive exhaust air from an exhaust collector of the power generation system;
a heat transfer assembly configured to transfer thermal energy from the exhaust air to a source fluid to generate a heated source fluid; and
one or more pump assemblies coupled to a manifold system and driven by one or more electric motors, wherein the one or more pump assemblies are configured to:
pump the source fluid into the heat transfer assembly via the manifold system at a pressure based on a temperature and a flow rate of the exhaust air and an incoming temperature for the source fluid; and
discharge the heated source fluid from the heat transfer assembly via the manifold system.
19. The exhaust heat recovery transport of claim 18 , wherein the heat transfer assembly includes a heat exchanger configured to run dry.
20. The exhaust heat recovery transport of claim 18 , wherein the one or more pump assemblies are configured to readjust a flow rate of the source fluid based on a determination that the temperature of the exhaust air, the flow rate of the exhaust air, or both has changed.
21. The system of claim 1 , wherein the air inlet filter housing is detachably coupled to the combustion air connection such that the combustion air connection is disposed between the air inlet filter housing and the inlet plenum.
22. The system of claim 1 , wherein:
the inlet plenum, the exhaust collector, the turbine, and the electric-generator are disposed on the turbine-electric generator transport,
the combustion air connection, the exhaust air connection, the heat transfer assembly, and the fluid system are disposed on the exhaust heat recovery transport, and
the turbine-electric generator transport and the exhaust heat recovery transport are separately and independently movable in a transportation mode.