JPS5789421A - Ambient heat treatment furnace - Google Patents

Ambient heat treatment furnace

Info

Publication number
JPS5789421A
JPS5789421A JP16352080A JP16352080A JPS5789421A JP S5789421 A JPS5789421 A JP S5789421A JP 16352080 A JP16352080 A JP 16352080A JP 16352080 A JP16352080 A JP 16352080A JP S5789421 A JPS5789421 A JP S5789421A
Authority
JP
Japan
Prior art keywords
organic liquid
atomized
gas
furnace
ultrasonic
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.)
Granted
Application number
JP16352080A
Other languages
Japanese (ja)
Other versions
JPS6347772B2 (en
Inventor
Shuichi Tanaka
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.)
Shimadzu Corp
Shimazu Seisakusho KK
Original Assignee
Shimadzu Corp
Shimazu Seisakusho 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 Shimadzu Corp, Shimazu Seisakusho KK filed Critical Shimadzu Corp
Priority to JP16352080A priority Critical patent/JPS5789421A/en
Publication of JPS5789421A publication Critical patent/JPS5789421A/en
Publication of JPS6347772B2 publication Critical patent/JPS6347772B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

PURPOSE:To adjust carbon potential to a given value in a short time by a method in which an orgaic liquid is atomized by an ultrasonic vibrator provided to an organic liquid storage tank and also the supply of the atomized organic liquid into a carburizing furnace is controlled. CONSTITUTION:Organic liquids, e.g., methanol 10', isopropyl alcohol 11', etc., are stored in organic liquid storage tanks 10 and 11 whose central recessed bottoms provided with ultrasonic vibrators 12. The organic liquid atomized by the irradiation of ultrasonic energy is supplied through quantitative supply pumps 14 and 15 and control valves 16 and 17 into a gas carburizing furnace 1 by a supply pipe 18, where the organic liquid is thermally decomposed and takes part in the carburizing of a material 7 to be treated. The gas in the furnace is partly introduced into a CO2 gas analyzer 21 through a conduit 19 and the analytical signal Sa from the analyzer 21 is put in a CO2 gas recorder 22 to compare it with a set value. The atomized organic liquid amount control signal Sc of the recorder 22 is put in an atomization mechanism controller 23 to control the amount of organic liquid atomized by the ultrasonic vibrator 12.
JP16352080A 1980-11-19 1980-11-19 Ambient heat treatment furnace Granted JPS5789421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16352080A JPS5789421A (en) 1980-11-19 1980-11-19 Ambient heat treatment furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16352080A JPS5789421A (en) 1980-11-19 1980-11-19 Ambient heat treatment furnace

Publications (2)

Publication Number Publication Date
JPS5789421A true JPS5789421A (en) 1982-06-03
JPS6347772B2 JPS6347772B2 (en) 1988-09-26

Family

ID=15775423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16352080A Granted JPS5789421A (en) 1980-11-19 1980-11-19 Ambient heat treatment furnace

Country Status (1)

Country Link
JP (1) JPS5789421A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108103434A (en) * 2017-12-28 2018-06-01 重庆臻展热处理有限公司 A kind of mult-purpose chamber furnace for metal heat treatmet
CN109207911A (en) * 2018-11-29 2019-01-15 刘云峰 A kind of surface carburization process
CN109252131A (en) * 2018-11-29 2019-01-22 刘云峰 A kind of case-carbonizing reaction kettle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108103434A (en) * 2017-12-28 2018-06-01 重庆臻展热处理有限公司 A kind of mult-purpose chamber furnace for metal heat treatmet
CN108103434B (en) * 2017-12-28 2020-05-01 重庆臻展热处理有限公司 Box type multipurpose furnace for metal heat treatment
CN109207911A (en) * 2018-11-29 2019-01-15 刘云峰 A kind of surface carburization process
CN109252131A (en) * 2018-11-29 2019-01-22 刘云峰 A kind of case-carbonizing reaction kettle
CN109207911B (en) * 2018-11-29 2020-10-16 淮北市硕华机械设备有限公司 Surface carburizing process
CN109252131B (en) * 2018-11-29 2020-12-08 濉溪县瑞发科技有限公司 Surface carburization reation kettle

Also Published As

Publication number Publication date
JPS6347772B2 (en) 1988-09-26

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