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JPS5454994A - Manufacture of dense crushed slag - Google Patents

Manufacture of dense crushed slag

Info

Publication number
JPS5454994A
JPS5454994A JP12125677A JP12125677A JPS5454994A JP S5454994 A JPS5454994 A JP S5454994A JP 12125677 A JP12125677 A JP 12125677A JP 12125677 A JP12125677 A JP 12125677A JP S5454994 A JPS5454994 A JP S5454994A
Authority
JP
Japan
Prior art keywords
water
slag
vapor
molten slag
pressure
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
JP12125677A
Other languages
Japanese (ja)
Other versions
JPS5735141B2 (en
Inventor
Kenji Tamura
Hiroshi Takada
Hideo Matsui
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP12125677A priority Critical patent/JPS5454994A/en
Publication of JPS5454994A publication Critical patent/JPS5454994A/en
Publication of JPS5735141B2 publication Critical patent/JPS5735141B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • C21B3/06Treatment of liquid slag
    • C21B3/08Cooling slag
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/02Physical or chemical treatment of slags
    • C21B2400/022Methods of cooling or quenching molten slag
    • C21B2400/026Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/04Specific shape of slag after cooling
    • C21B2400/044Briquettes or moulded bodies other than sheets
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2400/00Treatment of slags originating from iron or steel processes
    • C21B2400/05Apparatus features
    • C21B2400/066Receptacle features where the slag is treated
    • C21B2400/072Tanks to collect the slag, e.g. water tank

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)

Abstract

PURPOSE:A manufacturing apparatus for dense crushed slag which is capable of recovering the heat energy of molten slag, having the mechanism in which molten slag is supplied into the upper hole of the cylindrical holes piercing from above to below with internal water-circulating spaces and the abruptly cooled slag is discharged from the lower hole. CONSTITUTION:The lower hole of the cylindrical holes 1a, 1b, and 1c is closed by the closing devices 7a, 7b, and 7c. The molten slag 6 is injected into the upper hole with the aid of the molten slag charging device 40, and then abruptly cooled and solidified by the water 5 circulating in the space of the enclosed tank 2. When vapor pressure is increased by heating the water 5 and then exceeds the set pressure of the automatic pressure regulating valve 13, saturated vapor having the same pressure as the set pressure starts to generate. The lowering of the water level inside the vapor-water separating durm 15 as the vapor generates is detected by the water level meter 17, and the water supply regulating valve 8a supplies cooling water to automatically keep the water level constant. After the elapth of a fixed time, all of the enclosed thanks devices 7a, 7b, and 7c are opened, and the plunger 41 of the pusher 42 is operated vertically to discharge solidified slag from the lower hole.
JP12125677A 1977-10-08 1977-10-08 Manufacture of dense crushed slag Granted JPS5454994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12125677A JPS5454994A (en) 1977-10-08 1977-10-08 Manufacture of dense crushed slag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12125677A JPS5454994A (en) 1977-10-08 1977-10-08 Manufacture of dense crushed slag

Publications (2)

Publication Number Publication Date
JPS5454994A true JPS5454994A (en) 1979-05-01
JPS5735141B2 JPS5735141B2 (en) 1982-07-27

Family

ID=14806747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12125677A Granted JPS5454994A (en) 1977-10-08 1977-10-08 Manufacture of dense crushed slag

Country Status (1)

Country Link
JP (1) JPS5454994A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103014203A (en) * 2013-01-14 2013-04-03 南京圣诺热管有限公司 High-temperature molten slag water-quenching waste heat recovery device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229818A (en) * 1975-09-02 1977-03-07 Mitsubishi Heavy Ind Ltd Melted slag treatment apparatus
JPS5239596A (en) * 1975-09-25 1977-03-26 Mitsubishi Heavy Ind Ltd Apparatus to treat continuously fused slag

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229818A (en) * 1975-09-02 1977-03-07 Mitsubishi Heavy Ind Ltd Melted slag treatment apparatus
JPS5239596A (en) * 1975-09-25 1977-03-26 Mitsubishi Heavy Ind Ltd Apparatus to treat continuously fused slag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103014203A (en) * 2013-01-14 2013-04-03 南京圣诺热管有限公司 High-temperature molten slag water-quenching waste heat recovery device

Also Published As

Publication number Publication date
JPS5735141B2 (en) 1982-07-27

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