CA1087868A - Detecteur de gaz combustibles - Google Patents

Detecteur de gaz combustibles

Info

Publication number: CA1087868A
Authority: CA; Canada
Prior art keywords: thermocouple; junction; catalytic; combustible gases; catalyst
Prior art date: 1976-09-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA349,955A

Other languages

English (en)

Inventor

Edward W. Fisher

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Babcock and Wilcox Co

Original Assignee

Babcock and Wilcox Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1976-09-20

Filing date

1980-04-16

Publication date

1980-10-21

1976-09-20 Priority claimed from US05/724,682 external-priority patent/US4063898A/en

1980-04-16 Application filed by Babcock and Wilcox Co filed Critical Babcock and Wilcox Co

1980-04-16 Priority to CA349,955A priority Critical patent/CA1087868A/fr

1980-10-21 Application granted granted Critical

1980-10-21 Publication of CA1087868A publication Critical patent/CA1087868A/fr

Status Expired legal-status Critical Current

Links

239000007789 gas Substances 0.000 title claims abstract description 33
230000003197 catalytic effect Effects 0.000 claims description 32
239000000463 material Substances 0.000 claims description 11
239000004568 cement Substances 0.000 claims description 9
238000009413 insulation Methods 0.000 claims 1
238000012544 monitoring process Methods 0.000 claims 1
239000003054 catalyst Substances 0.000 abstract description 24
239000011248 coating agent Substances 0.000 abstract description 5
238000000576 coating method Methods 0.000 abstract description 5
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 31
229910052697 platinum Inorganic materials 0.000 description 15
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
229910002091 carbon monoxide Inorganic materials 0.000 description 8
229940105305 carbon monoxide Drugs 0.000 description 8
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 6
239000003546 flue gas Substances 0.000 description 6
229910001369 Brass Inorganic materials 0.000 description 5
239000010951 brass Substances 0.000 description 5
229910052751 metal Inorganic materials 0.000 description 5
239000002184 metal Substances 0.000 description 5
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
229910002092 carbon dioxide Inorganic materials 0.000 description 4
238000002788 crimping Methods 0.000 description 4
239000002253 acid Substances 0.000 description 3
239000001569 carbon dioxide Substances 0.000 description 3
229910001179 chromel Inorganic materials 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
238000009833 condensation Methods 0.000 description 3
230000005494 condensation Effects 0.000 description 3
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
230000004044 response Effects 0.000 description 3
229910000809 Alumel Inorganic materials 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000006555 catalytic reaction Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
231100000572 poisoning Toxicity 0.000 description 2
230000000607 poisoning effect Effects 0.000 description 2
238000005070 sampling Methods 0.000 description 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
238000005352 clarification Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
230000005284 excitation Effects 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
239000002803 fossil fuel Substances 0.000 description 1
239000003517 fume Substances 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
239000002674 ointment Substances 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229910052814 silicon oxide Inorganic materials 0.000 description 1
239000000126 substance Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
230000002277 temperature effect Effects 0.000 description 1
238000002076 thermal analysis method Methods 0.000 description 1
230000001052 transient effect Effects 0.000 description 1

Landscapes

Investigating Or Analyzing Materials Using Thermal Means (AREA)

CA349,955A 1976-09-20 1980-04-16 Detecteur de gaz combustibles Expired CA1087868A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA349,955A CA1087868A (fr)	1976-09-20	1980-04-16	Detecteur de gaz combustibles

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US724,682		1976-09-20
US05/724,682 US4063898A (en)	1976-09-20	1976-09-20	Combustible gases detector
CA286,977A CA1086094A (fr)	1976-09-20	1977-09-19	Detecteur de gaz combustibles
CA349,955A CA1087868A (fr)	1976-09-20	1980-04-16	Detecteur de gaz combustibles

Publications (1)

Publication Number	Publication Date
CA1087868A true CA1087868A (fr)	1980-10-21

Family

ID=27165287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA349,955A Expired CA1087868A (fr)	1976-09-20	1980-04-16	Detecteur de gaz combustibles

Country Status (1)

Country	Link
CA (1)	CA1087868A (fr)

1980
- 1980-04-16 CA CA349,955A patent/CA1087868A/fr not_active Expired

Legal Events

Date	Code	Title	Description
1997-10-21	MKEX	Expiry

Publication	Publication Date	Title
US4063898A (en)	1977-12-20	Combustible gases detector
US4584867A (en)	1986-04-29	Device for selectively determining the components of gas mixtures by means of a gas sensor
US4298574A (en)	1981-11-03	Hydrogen gas detector
Sears et al.	1989	Algorithms to improve the selectivity of thermally-cycled tin oxide gas sensors
CA1084298A (fr)	1980-08-26	Methode de controle d'un gaz et appareil servant a cette fin
US4541988A (en)	1985-09-17	Constant temperature catalytic gas detection instrument
EP0314919B1 (fr)	1993-01-13	Circuit de détecteur de gaz combustible à stabilisation de température
US4128458A (en)	1978-12-05	Combustible element and oxygen concentration sensor
US4723439A (en)	1988-02-09	Humidity detector
US4134818A (en)	1979-01-16	Solid electrolyte sensor for monitoring combustibles in an oxygen containing environment
US4870025A (en)	1989-09-26	Method of sensing methane gas-I
JPS63218852A (ja)	1988-09-12	排ガス中のｏ↓２及び可燃ガス濃度測定装置
US3595621A (en)	1971-07-27	Catalytic analyzer
US4325912A (en)	1982-04-20	Carbon monoxide detection apparatus
WO1987001453A1 (fr)	1987-03-12	Capteur de flux de gaz entrant
EP0432962B1 (fr)	1995-05-03	Détection de gaz inflammables
US4190499A (en)	1980-02-26	Combustibles sensor
CA1087868A (fr)	1980-10-21	Detecteur de gaz combustibles
CA1087869A (fr)	1980-10-21	Detecteur de gaz combustibles
Kocache	1994	Gas sensors
US4663017A (en)	1987-05-05	Combustibles sensor
US4222900A (en)	1980-09-16	Method of activating a palladium-silver alloy
US4835108A (en)	1989-05-30	Method for measuring free oxygen in a combustible atmosphere
GB1584830A (en)	1981-02-18	Apparatus and method for measuring the amounts of oxygen and combustibles in a gaseous sample
CN101027549A (zh)	2007-08-29	抗硫传感器