[특허]Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream

Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-025/64
출원번호	US-0394564 (1995-02-27)
발명자 / 주소	Andes Gary M. (Lockport NY) Marshall Richard (Lockport NY) Burnette Andrew D. (Austin TX) Lepovitz Lawrence R. (Paducah KY)
출원인 / 주소	Electric Power Research Institute, Inc. (Palo Alto CA 02)
인용정보	피인용 횟수 : 26 인용 특허 : 0

초록 ▼

In a flue gas scrubber for removing sulfur dioxide from flue gas and having a spray dryer vessel inlet duct defined by a duct wall, the apparatus may be used to measure in situ the wet bulb temperature of the flue gas in the dryer vessel inlet duct. A water nozzle and a temperature sensor are both located in the dryer vessel inlet duct. The nozzle sprays water on the sensor and the wet bulb temperature of the flue gas is continuously measured. The apparatus gathers wet bulb temperature data which may be used for process control or for determining whether a leak has occurred within the tubes of a coal-fired steam boiler.

대표청구항 ▼

In a flue gas scrubber for removing sulfur dioxide from flue gas and having a dryer vessel inlet duct defined by a duct wall, an apparatus for measuring the wet bulb temperature of said flue gas in a dryer vessel inlet duct, said apparatus comprising: a port through said duct wall; a support plate removably fixed to said duct wall over said port, said support plate having a first aperture and a second aperture; a first support arm inserted through said first aperture into said inlet duct, said first support arm having a hollow interior sealed from said flue gas; a temperature sensor located within said inlet duct and fixed to said first support arm, said temperature sensor comprised of a thermocouple having a protective coating, said temperature sensor having sensor leads routed from said temperature sensor to an exterior location from said inlet duct by way of said hollow interior of said first support arm; a second support arm inserted through said second aperture into said inlet duct, said second support arm having a hollow interior sealed from said flue gas; a water spray nozzle located within said inlet duct and fixed to said second support arm, said water spray nozzle aimed to spray water onto said temperature sensor; a water supply line to supply water to said water spray nozzle, said water supply line routed from said water spray nozzle to an exterior location from said inlet duct by way of said hollow interior of said second support arm; and an air supply line to supply atomizing air to said water spray nozzle, said air supply line routed from said water spray nozzle to an exterior location from said inlet duct by way of said hollow interior of said second support arm.

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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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Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream 원문보기

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Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream 원문보기

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이 특허를 인용한 특허 (26)

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