JPS5670828A - Method of firing powdered base material and equipment therefor - Google Patents

Method of firing powdered base material and equipment therefor

Info

Publication number
JPS5670828A
JPS5670828A JP14706479A JP14706479A JPS5670828A JP S5670828 A JPS5670828 A JP S5670828A JP 14706479 A JP14706479 A JP 14706479A JP 14706479 A JP14706479 A JP 14706479A JP S5670828 A JPS5670828 A JP S5670828A
Authority
JP
Japan
Prior art keywords
base material
kiln
firing
calcining
fired
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
JP14706479A
Other languages
Japanese (ja)
Inventor
Kyoichi Shibuya
Tomomi Ihara
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.)
Sumitomo Cement Co Ltd
Original Assignee
Sumitomo Cement Co 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 Sumitomo Cement Co Ltd filed Critical Sumitomo Cement Co Ltd
Priority to JP14706479A priority Critical patent/JPS5670828A/en
Publication of JPS5670828A publication Critical patent/JPS5670828A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B01J6/002—Calcining using rotating drums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

PURPOSE:To efficiently perform preheating and calcining of base firing material for enhancing the thermal efficiency of the whole equipment by a method wherein heat recovered in the fired-product cooling device and waste both heat from the kiln are effectively used in the process of firing powder-type base material in the rotary kiln. CONSTITUTION:When powdered base material such as cement is fired in a rotary kiln, a suspension preheater 2 with a calcining furnace 3 is installed at the base- material feeding side of the rotary kiln 1. At the fired product discharge side of the rotary kiln, a cooler 4 for the fired product is installed. High-temperature waste gas from the kiln 1 is guided to the preheater 2, high temperature air from the cooler 4 is to the calcining furnace 3, by both of which the base material in the preheater 2 is preheated. The base material is then calcined in the calcining furnace 3 and charged into the kiln 1. In the kiln waste gas duct 5, fuel from the burner 7 is combusted by high-temperature air from the cooler 4, so that the base material is precalcined. The base material is then guided to the calcining furnace 3 to complete calcining. As a result, the thermal efficiency of the firing equipment is enhanced.
JP14706479A 1979-11-15 1979-11-15 Method of firing powdered base material and equipment therefor Pending JPS5670828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14706479A JPS5670828A (en) 1979-11-15 1979-11-15 Method of firing powdered base material and equipment therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14706479A JPS5670828A (en) 1979-11-15 1979-11-15 Method of firing powdered base material and equipment therefor

Publications (1)

Publication Number Publication Date
JPS5670828A true JPS5670828A (en) 1981-06-13

Family

ID=15421663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14706479A Pending JPS5670828A (en) 1979-11-15 1979-11-15 Method of firing powdered base material and equipment therefor

Country Status (1)

Country Link
JP (1) JPS5670828A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167457A (en) * 1982-03-25 1983-10-03 日本セメント株式会社 Cement raw material clacining furnace
JPS58190847A (en) * 1982-04-30 1983-11-07 日本セメント株式会社 Cement raw material calcining kiln
JPH0338241A (en) * 1989-06-30 1991-02-19 Kobe Steel Ltd Apparatus for baking powdery raw material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167457A (en) * 1982-03-25 1983-10-03 日本セメント株式会社 Cement raw material clacining furnace
JPH033622B2 (en) * 1982-03-25 1991-01-21 Nihon Cement
JPS58190847A (en) * 1982-04-30 1983-11-07 日本セメント株式会社 Cement raw material calcining kiln
JPH0338241A (en) * 1989-06-30 1991-02-19 Kobe Steel Ltd Apparatus for baking powdery raw material

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