JPS56141544A - Calorific value measuring device - Google Patents

Calorific value measuring device

Info

Publication number
JPS56141544A
JPS56141544A JP4585580A JP4585580A JPS56141544A JP S56141544 A JPS56141544 A JP S56141544A JP 4585580 A JP4585580 A JP 4585580A JP 4585580 A JP4585580 A JP 4585580A JP S56141544 A JPS56141544 A JP S56141544A
Authority
JP
Japan
Prior art keywords
vessel
contact
pair
calorific value
thermocouples
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
JP4585580A
Other languages
Japanese (ja)
Inventor
Shosaku Maeda
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.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Priority to JP4585580A priority Critical patent/JPS56141544A/en
Publication of JPS56141544A publication Critical patent/JPS56141544A/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
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
    • G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
    • G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
    • G01N25/32—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements using thermoelectric elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE:To make rapid and accurate measurement possible with a small amount of gaseous sample without formation of any flame by disposing a pair of thermocouples of which one contact is coated with oxidation catalyst material, and displaying the calorific value corresponding to the output signal from the thermocouples owing to the oxidation reaction of the gaseous sample. CONSTITUTION:A thermocouple 2 has a pair of contacts consisting of the 1st contact 23 formed by joining the 1st, 2nd metallic wires 21, 22 consisting of copper constantan, etc., and the 2nd contact 25 formed by joining the 2nd, 3rd metallic wires 22, 24. Of these, the 1st contact 23 is coated over the entire surface by platinum 26 as an oxidation catalyst material, and this thermocouple 2 is supported by the supporting terminals 14, 15 provided to the wall surface of a vessel 12. Further a heater 3 is disposed in the vessel so as to heat the inside of the vessel at fixed temperatures of, for example, 100-150 deg.C. The occurrence of errors owing to external factors such as change in atmospheric temp. is obviated by disposing a pair of the contacts in the vessel in this way, and the accurate measurement is made extremely rapidly.
JP4585580A 1980-04-07 1980-04-07 Calorific value measuring device Pending JPS56141544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4585580A JPS56141544A (en) 1980-04-07 1980-04-07 Calorific value measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4585580A JPS56141544A (en) 1980-04-07 1980-04-07 Calorific value measuring device

Publications (1)

Publication Number Publication Date
JPS56141544A true JPS56141544A (en) 1981-11-05

Family

ID=12730816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4585580A Pending JPS56141544A (en) 1980-04-07 1980-04-07 Calorific value measuring device

Country Status (1)

Country Link
JP (1) JPS56141544A (en)

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