JPS5712877A - Method for melting treatment of electrically collected ash - Google Patents

Method for melting treatment of electrically collected ash

Info

Publication number
JPS5712877A
JPS5712877A JP8714980A JP8714980A JPS5712877A JP S5712877 A JPS5712877 A JP S5712877A JP 8714980 A JP8714980 A JP 8714980A JP 8714980 A JP8714980 A JP 8714980A JP S5712877 A JPS5712877 A JP S5712877A
Authority
JP
Japan
Prior art keywords
layers
packed
ash
collected ash
melted
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
JP8714980A
Other languages
Japanese (ja)
Other versions
JPS595322B2 (en
Inventor
Akio Suzuki
Taisuke Nishiyama
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP55087149A priority Critical patent/JPS595322B2/en
Publication of JPS5712877A publication Critical patent/JPS5712877A/en
Publication of JPS595322B2 publication Critical patent/JPS595322B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

PURPOSE: To make fugacious salts contained in the electrically collected ash and condense the vapors on packed layers by a method wherein packed layers of granular refractory material are provided in a fractionating tower at an upper part of a meltin furnace, the packed layers are maintained at temperatures such that the temperature is gradually lowered in the direction from the lower layers to the upper layers, and the electrcally collected ash is melted in the furnace.
CONSTITUTION: Granules of a basic or neutral refractory material are packed in the fractionating tower 2 at the upper part of the melting furnace 1 to form the packed layers 3. The packed layers 3 are maintained in a predetermined temperature range in such a manner that the temperature is gradually lowered from the lower layers to the upper layers, by respective heating elements 9. In this condition, when the electrically collected ash 10 is placed in the melting furnace 1 and is melted, salts contained in the ash are made fugacious and the vapors are condensed on the packed layers 3. Thus, the electrically collected ash is melted, noxious heavy metals contained in the ash are evaporated or they are dissolved into a vitreous or crystalline structure formed by solidiying a molten slag, thereby preventing the elution of the heavy metals.
COPYRIGHT: (C)1982,JPO&Japio
JP55087149A 1980-06-26 1980-06-26 Melting treatment method for electrostatically collected ash Expired JPS595322B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55087149A JPS595322B2 (en) 1980-06-26 1980-06-26 Melting treatment method for electrostatically collected ash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55087149A JPS595322B2 (en) 1980-06-26 1980-06-26 Melting treatment method for electrostatically collected ash

Publications (2)

Publication Number Publication Date
JPS5712877A true JPS5712877A (en) 1982-01-22
JPS595322B2 JPS595322B2 (en) 1984-02-03

Family

ID=13906913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55087149A Expired JPS595322B2 (en) 1980-06-26 1980-06-26 Melting treatment method for electrostatically collected ash

Country Status (1)

Country Link
JP (1) JPS595322B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0330887A (en) * 1989-06-28 1991-02-08 Chugai Ro Co Ltd Powder baking method of incineration ash
JPH0379693A (en) * 1989-04-28 1991-04-04 Quantex Corp High-performance luminiscent material for conversion to increased optical intensity and its manufacture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0379693A (en) * 1989-04-28 1991-04-04 Quantex Corp High-performance luminiscent material for conversion to increased optical intensity and its manufacture
JPH0330887A (en) * 1989-06-28 1991-02-08 Chugai Ro Co Ltd Powder baking method of incineration ash

Also Published As

Publication number Publication date
JPS595322B2 (en) 1984-02-03

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