JPS556252A - Refractoriness testing furnace of structural portion of building - Google Patents

Refractoriness testing furnace of structural portion of building

Info

Publication number
JPS556252A
JPS556252A JP7862978A JP7862978A JPS556252A JP S556252 A JPS556252 A JP S556252A JP 7862978 A JP7862978 A JP 7862978A JP 7862978 A JP7862978 A JP 7862978A JP S556252 A JPS556252 A JP S556252A
Authority
JP
Japan
Prior art keywords
furnace
walls
refractoriness
test piece
facing
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
JP7862978A
Other languages
Japanese (ja)
Inventor
Seiji Ura
Yoshiaki Haga
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.)
KENZAI SHIKEN CENTER
KOA KAGAKU KOGYO KK
Original Assignee
KENZAI SHIKEN CENTER
KOA KAGAKU KOGYO KK
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 KENZAI SHIKEN CENTER, KOA KAGAKU KOGYO KK filed Critical KENZAI SHIKEN CENTER
Priority to JP7862978A priority Critical patent/JPS556252A/en
Publication of JPS556252A publication Critical patent/JPS556252A/en
Pending legal-status Critical Current

Links

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE: To improve the convecting effects in a furnace so that the center and end portions of a sample can be heated at an identical temperature by forming an exhaust passage in the inner sides of a pair of facing furnace walls.
CONSTITUTION: Exhaust passages 5 and 5' are constructed of the inner walls 2 and 2', which are formed at their upper ends 3 and 3' with clearances 4 and 4' within a pair of facing walls 1 and 1' of a refractoriness testing furnace. Flames are injected from a plurality of burners 7, which are mounted in the other facing furnace walls 6 and 6', thereby to heat the lower side of a test piece 8. Thus, the exhaust gases are made to flow down through the clearnaces 4 and 4' between the inner walls 2 and 2' and the test piece 8 and through the passages 5 and 5' whereas their portions are guided from inner exhaust passages 11 and 11' to flues 10 and 10'. As a result, the center and end portions of the test piece can be heated at an identical temperature by the convecting effects within the heating furnace.
COPYRIGHT: (C)1980,JPO&Japio
JP7862978A 1978-06-30 1978-06-30 Refractoriness testing furnace of structural portion of building Pending JPS556252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7862978A JPS556252A (en) 1978-06-30 1978-06-30 Refractoriness testing furnace of structural portion of building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7862978A JPS556252A (en) 1978-06-30 1978-06-30 Refractoriness testing furnace of structural portion of building

Publications (1)

Publication Number Publication Date
JPS556252A true JPS556252A (en) 1980-01-17

Family

ID=13667163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7862978A Pending JPS556252A (en) 1978-06-30 1978-06-30 Refractoriness testing furnace of structural portion of building

Country Status (1)

Country Link
JP (1) JPS556252A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411993A (en) * 2013-08-15 2013-11-27 山东方圆建筑工程检测中心 Positioning device for non-combustibility test

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940447U (en) * 1972-07-10 1974-04-09
JPS5333771A (en) * 1976-09-10 1978-03-29 Rinnai Kk Forced ventilation type gas range

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940447U (en) * 1972-07-10 1974-04-09
JPS5333771A (en) * 1976-09-10 1978-03-29 Rinnai Kk Forced ventilation type gas range

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411993A (en) * 2013-08-15 2013-11-27 山东方圆建筑工程检测中心 Positioning device for non-combustibility test

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