Method and apparatus for supplying heated, pressurized air
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02K-001/82
F02C-006/04
F02C-006/18
F16L-027/11
F16L-051/02
출원번호
US-0656234
(2012-10-19)
등록번호
US-9605622
(2017-03-28)
발명자
/ 주소
Miller, Randy
출원인 / 주소
Flint Hills Resources, LP
대리인 / 주소
Bracewell LLP
인용정보
피인용 횟수 :
0인용 특허 :
16
초록▼
A system for providing heated, pressurized air to a device in an industrial process, the system including at least one engine arranged and designed to heat and pressurize air, and at least one pipe attached to the at least one engine to provide a flow path for air from the at least one engine to the
A system for providing heated, pressurized air to a device in an industrial process, the system including at least one engine arranged and designed to heat and pressurize air, and at least one pipe attached to the at least one engine to provide a flow path for air from the at least one engine to the device in the industrial process. The system may also include an expansion joint positioned between the at least one engine and the pipe, the expansion joint arranged and designed to allow relative axial movement between the at least one engine and the pipe.
대표청구항▼
1. A system for providing heated, pressurized exhaust gases to a device in an industrial process, the system comprising: an engine arranged to heat and pressurize air;a pipe operatively attached to the engine to provide a flow path for exhaust gases from the engine to the device in the industrial pr
1. A system for providing heated, pressurized exhaust gases to a device in an industrial process, the system comprising: an engine arranged to heat and pressurize air;a pipe operatively attached to the engine to provide a flow path for exhaust gases from the engine to the device in the industrial process; andan expansion joint positioned between the engine and the pipe, the expansion joint having a hollow throughbore that allows the passage of a fluid, and arranged to allow relative axial movement between the engine and the pipe, the expansion joint configured to expand and contract in an axial direction by expanding and contracting a plurality of folds of a corrugated bellows of the expansion joint. 2. The system of claim 1, further comprising: a manifold connected to the engine, to substantially constrain movement of the engine relative to a base that is stationary during operation of the system. 3. The system of claim 1, further comprising: a nozzle located in the flow path between, and in fluid communication with, the engine and the device in the industrial process, the nozzle tapering from a larger diameter toward the engine, to a smaller diameter in a central portion of the nozzle, and back to a larger diameter toward the device in the industrial process, so that as exhaust gases passes through the nozzle, the flow rate of the exhaust gases increases and the pressure decreases. 4. The system of claim 1, wherein the engine is selected from the group consisting of a gas turbine engine and an aero-derivative gas turbine engine. 5. The system of claim 1, further comprising a heater positioned between the engine and the device operable to further adjust the temperature of the exhaust gases. 6. The system of claim 1, wherein the device in the industrial process is a reaction chamber. 7. The system of claim 1, wherein the industrial process is a reaction chamber of a polypropylene manufacturing process. 8. A system for providing heated, pressurized exhaust gases to an industrial process, the system comprising: a process device associated with the industrial process;an engine in fluid communication with the process device and having an air intake end, an exhaust end, and a central axis, the engine being operable to intake air at the intake end, to heat and pressurize the air, and to expel heated, pressurized exhaust gases at the exhaust end to the process device, the heated, pressurized exhaust gases being of sufficient temperature and pressure to meet the needs of the process device;a manifold located downstream of the exhaust end of the engine and extending to a base rigidly securing the exhaust end of the engine to the base, the base being stationary during operation of the system;a pipe for transporting the heated, pressurized exhaust gases from the exhaust end of the engine to the process device, the pipe being downstream of the exhaust end of the engine; andan expansion joint positioned between the manifold and the pipe, the expansion joint arranged to allow relative axial movement between the exhaust end of the engine and the pipe. 9. The system of claim 8, wherein the manifold comprises: a support rigidly attached to the immovable base, the support having a top section, two legs, and a ring shaped member located between the two legs, wherein the ring shaped member substantially surrounds the exhaust end of the engine. 10. The system of claim 8, wherein: the expansion joint has a central axis co-linear with the central axis of the pipe and the exhaust end of the engine, the expansion joint configured to expand and contract in an axial direction by expanding and contracting a plurality of folds of a corrugated bellows of the expansion joint. 11. The system of claim 8, wherein there are at least two engines, and the engines are selected such that the process device can continue operating if one engine is not providing heated, pressurized exhaust gases to the process device. 12. The system of claim 8, wherein the engine further comprises: a compressor section for pressurizing air that enters through the air intake to produce pressurized air;a combustion section in fluid communication with the compressor section for heating the pressurized air that enters from the compressor section to produce heated, pressurized air;a turbine section in fluid communication with the combustion section and having a rotatable blade, the turbine section arranged to direct the flow of the heated, pressurized air into contact with the rotatable blade such that the rotatable blade is rotated; anda shaft having a first end and a second end, the first end operatively coupled to the rotatable blade of the turbine section so the shaft rotates with the blade, and a second end connected to the compressor section and arranged to provide energy to the compressor section as the shaft turns. 13. The system of claim 12, wherein the turbine section directs the heated, pressurized exhaust gases through the exhaust end of the engine, and the pressure of the heated, pressurized exhaust gases at the exhaust end is above atmospheric pressure. 14. The system of claim 8, further comprising: a nozzle positioned between, and in fluid communication with, the exhaust end of the engine and the pipe, the nozzle defining a passage that tapers from a larger diameter toward the exhaust end, to a smaller diameter in a central portion of the nozzle, and the back to a larger diameter toward the pipe, so that as the exhaust gases pass through the nozzle, the flow rate of the exhaust gases increases and the pressure decreases. 15. The system of claim 13, wherein the pressure of the heated, pressurized exhaust gases at the exhaust end is in the range of about 15-25 psig. 16. The system of claim 15, wherein the pressure of the heated, pressurized exhaust gases at the exhaust end is about 20 psig. 17. The system of claim 8, wherein the engine is selected from the group consisting of a gas turbine engine and an aero-derivative gas turbine engine. 18. A method for providing heated, pressurized exhaust gases for an industrial process, the method comprising the steps of: drawing ambient air into an engine, with the engine having an intake end, an exhaust end, and a central axis, wherein the air is drawn into the intake end of the engine;heating and pressurizing the air within the engine;expelling heated, pressurized exhaust gases from the exhaust end of the engine, the heated, pressurized exhaust gases being of sufficient heat and pressure to meet the needs of a process device of an industrial process;transporting the heated, pressurized exhaust gases from the exhaust end of the engine to the process device of the industrial process with a pipe that is downstream of the exhaust end of the engine, the engine being secured to a base with a manifold that is located downstream of the exhaust end of the engine and extends to the base so as to prevent substantially all non-axial movement of the engine relative to the pipe, the immovable base being stationary during operation of the system; whereinan expansion joint is positioned between the manifold and the pipe, the expansion joint allowing relative axial movement between the exhaust end of the engine and the pipe. 19. The method of claim 18, further comprising the step of: absorbing relative axial movement between the pipe and the exhaust end of the engine through an expansion joint therebetween, the expansion joint attached at one end to the pipe and at the other end to the exhaust end of the engine, wherein the expansion joint is configured to expand and contract in an axial direction to allow relative axial motion between the pipe and the exhaust end of the engine. 20. The system of claim 8, wherein the expansion joint includes a corrugated bellows member with a plurality of folds and the expansion joint is configured to expand and contract in an axial direction by expanding and contracting the plurality of folds.
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