[특허]Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid

[미국특허] Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/30
출원번호	US-0057874 (1993-05-07)
발명자 / 주소	Suppes Galen J. (217 Summertree Lawrence KS 66049)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

A method for burning slurry, liquid, or gaseous fuels at elevated pressures allows lower quality fuels to yield more energy and higher quality energy due to increased dew point temperatures in flue gases and high temperature heat exchange. The combination of elevated pressures and oxygen rich oxidant allows increased waste heat recovery, higher quality heat recovery, and substantially reduced air pollution. Turbochargers operated by flue gas and pressurized air, force the oxygen into the combustion chamber at increased pressures. Oxygen permeable membranes lower levels of nitrogen and reduce pollution by enhancing the stripping of pollutants from the flue gas and by the absolute reduction of flue gas exhaust. Latent heat recovery and water dilution of combustion mixtures are important aspects of the embodiments of this invention; both are enhanced by the vaporization of influent liquids while contacting influent gasses. High temperature heat exchange is facilitated by direct contact heat exchange means. Substantially reduced pollution levels allow operation in residential and downtown areas where cogenerated heat and coolant can be utilized. This method is particularly useful for converting garbage or sewage into electricity and for increased biomass combustion efficiency; however, advantages of this method can also be realized for most conventional fuels.

대표청구항 ▼

A high efficiency method using direct contact heat exchange for converting fuel into work, comprising the steps of: compressing oxygen containing gas, heating the said oxygen containing gas by direct contact of said oxygen containing gas with a heat exchange fluid containing less than 15 weight percent water and having a water-free partial vapor pressure of less than one atmosphere at 300 C., contacting said oxygen containing gas with said heat exchange fluid in a heat exchange vessel to provide a heated gas having a temperature at least 150 C. greater than said oxygen containing gas, pumping said heat exchange fluid to a second heat exchange vessel, mixing said heated gas with a fuel in an expectative amount to sustain a combustion reaction to provide a fuel mixture, combusting said fuel mixture to-provide a reaction product gas having a greater temperature than said heated gas, expanding said reaction product gas to provide shaft work and to provide a flue gas having less enthalpy than said reaction product gas, cooling said flue gas by directly contacting said flue gas with a heat exchange fluid in a second heat exchange vessel, and circulating said heat exchange fluid between said first heat exchange vessel and said second heat exchange vessel to increase the enthalpy of the said heat exchange fluid in said second vessel and to decrease the enthalpy of the said heat exchange fluid in the first heat exchange vessel.

이 특허를 인용한 특허 (24) 인용/피인용 타임라인 분석

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Price, Brian C., Process for separating nitrogen from a natural gas stream with nitrogen stripping in the production of liquefied natural gas.
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Price, Brian C.; Winkler, Randal J., System and method for recovering and liquefying boil-off gas.
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Genrup, Magnus; Bergström, Olle; Karthauser, Joachim; Munukka, Kari; Ahlbom, Esko; Askebjer, Per, Thermodynamic cycle operating at low pressure using a radial turbine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid 원문보기

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