JPS57194341A - Flame analyzer - Google Patents

Flame analyzer

Info

Publication number
JPS57194341A
JPS57194341A JP7934781A JP7934781A JPS57194341A JP S57194341 A JPS57194341 A JP S57194341A JP 7934781 A JP7934781 A JP 7934781A JP 7934781 A JP7934781 A JP 7934781A JP S57194341 A JPS57194341 A JP S57194341A
Authority
JP
Japan
Prior art keywords
gas
solenoid valve
supplied
burner
timer
Prior art date
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.)
Pending
Application number
JP7934781A
Other languages
Japanese (ja)
Inventor
Koichi Uchino
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7934781A priority Critical patent/JPS57194341A/en
Publication of JPS57194341A publication Critical patent/JPS57194341A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners

Abstract

PURPOSE:To perform measurement in a secured state by providing a testing device for the leakage of gas supplied to the burner of an atomic absorbing and analyzing device. CONSTITUTION:Gas is supplied from an intake 1, then, supplied from an outlet 7 to a burner after passing throug a solenoid valve 2, a pressure switch 3, a gas control part 4, and solenoid valves 5 and 6. When a power switch 8 is turned on, an electric circuit is conducted to supply the gas to the gas intake 1, then, pressure is applied to the pressure switch 3, which starts timers 9, 10 and 15 and also operate a relay 16. The timer 10 operates firstly to close the solenoid valve 5, and the timer 9 operates succeedingly to close the solenoid valve 2. When the gas confined between the solenoid valves 2 and 5 does not leaks, a relay 17 is energized to open the solenoid valve 6, and then the gas is supplied from the outlet 7 to the burner. If any gas leaks within the set time of the timer 15, the pressure switch 3 operates a switch 14 to hold the solenoid valve 6 closed.
JP7934781A 1981-05-27 1981-05-27 Flame analyzer Pending JPS57194341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7934781A JPS57194341A (en) 1981-05-27 1981-05-27 Flame analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7934781A JPS57194341A (en) 1981-05-27 1981-05-27 Flame analyzer

Publications (1)

Publication Number Publication Date
JPS57194341A true JPS57194341A (en) 1982-11-29

Family

ID=13687360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7934781A Pending JPS57194341A (en) 1981-05-27 1981-05-27 Flame analyzer

Country Status (1)

Country Link
JP (1) JPS57194341A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8061184B2 (en) * 2008-01-16 2011-11-22 Brown Geoffrey P Method and system for monitoring gas leaks by amplification of flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8061184B2 (en) * 2008-01-16 2011-11-22 Brown Geoffrey P Method and system for monitoring gas leaks by amplification of flow

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