JPS6025538A - Production of steel manufacturing slag piece - Google Patents
Production of steel manufacturing slag pieceInfo
- Publication number
- JPS6025538A JPS6025538A JP58195397A JP19539783A JPS6025538A JP S6025538 A JPS6025538 A JP S6025538A JP 58195397 A JP58195397 A JP 58195397A JP 19539783 A JP19539783 A JP 19539783A JP S6025538 A JPS6025538 A JP S6025538A
- Authority
- JP
- Japan
- Prior art keywords
- slag
- gas
- stream
- pressure
- droplets
- 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
Links
- 239000002893 slag Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 title description 3
- 239000010959 steel Substances 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 17
- 238000009628 steelmaking Methods 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000112 cooling gas Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 3
- 239000008187 granular material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000155 melt Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000012768 molten material Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
- C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture Of Iron (AREA)
- Glanulating (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の背景）
本発明は製鋼スラグ砕片の製造方法、特にリンツードナ
ウィン法（Ｌｉｎｇ−ｐｏｎａｗｉｔｓ ｐｒｏｃｅｓ
ｓ ）を利用する製鋼工場スラグから砕片を製造する方
法に閃する。DETAILED DESCRIPTION OF THE INVENTION (Background of the Invention) The present invention relates to a method for producing steelmaking slag fragments, particularly the Ling-ponawits process.
A method for producing crushed pieces from steel mill slag using s) is inspired.
従来、製鋼スラグの粒状化は、水を用いて行なわれてお
り、即ち溶融スラグの噴流を横切る高圧水の膜状流を噴
射させ、その砕片を水の満された貯槽内に落下させてい
た。Traditionally, granulation of steelmaking slag has been carried out using water, i.e., by injecting a film of high-pressure water across a jet of molten slag, causing the fragments to fall into a water-filled reservoir. .
この方式にあっては時々スラグに混入する溶融金属によ
る水の分解を原因とする爆発のために事故を起していた
。溶融スラグから溶融金属を分離し、かような事故の再
発を避けるための種々の方法が従来提案されているが、
現在好適とされている解決法は、溶融スラグを冷却する
ために、水よりも他の手段の使用、特に空気の使用に向
うすう勢にある。This method has occasionally caused accidents due to explosions caused by the decomposition of water by the molten metal mixed in with the slag. Various methods have been proposed in the past to separate molten metal from molten slag and avoid recurrence of such accidents.
Presently preferred solutions are trending toward the use of other means than water, particularly air, to cool the molten slag.
しかしながら、水を溶融スラグの噴流に衝突させる場合
には、水はまず、分散させて粒滴とし、次いでその粒滴
を冷却し、そして凝固粒の形に速やかに変化させるよう
に作用するが、普通に使朋されている圧力、すなわち、
８〜８バールの圧力の圧縮空気では、上述した作用を得
るための圧力がなく、そごで該溶融スラグを堅い固体面
に高速で射出するか、速く動く面例えば高速で回転する
ローラ表面に低速で流出する方法のいずれかで機械的に
分散されるのが普通である。これらの解決法はメインテ
ナンスや摩耗・の問題がある。However, when water is impinged on a jet of molten slag, the water first acts to disperse into droplets, then cools the droplets, and rapidly transforms them into solidified grains; The pressure that is commonly used, i.e.
With compressed air at a pressure of 8 to 8 bar, there is no pressure to obtain the above-mentioned effect and the molten slag can be injected at high speed onto a hard solid surface or onto a fast moving surface, e.g. the surface of a roller rotating at high speed. Mechanical dispersion is typically achieved by either slow flow or flow-off methods. These solutions have maintenance and wear problems.
他の科学技術、特にスラグウールの製造の分野において
、高速空気を溶融物質の流れに吹きつけ、絶縁材料とし
て使用される長くて細いフィラメントを製造することが
知られている。In other science and technology, especially in the field of slag wool production, it is known to blow high-velocity air onto a stream of molten material to produce long, thin filaments that are used as insulating materials.
（従来技術）
米国特許第４．２１８．２０１号明細書には、溶融スラ
グの流れに対して、５００ｍ／を以上の高い流量テ、５
０〜１４０ ｍ／ｓｅｃの比較的低迷の空気を用いて吹
付けをすることにより、高炉スラグを砕片化Ｔる方法が
開示されている。(Prior Art) U.S. Pat. No. 4,218,201 discloses that a high flow rate of 500 m/
A method for fragmenting blast furnace slag by blowing with relatively sluggish air at 0 to 140 m/sec is disclosed.
該明細書は上記速度よりも速い速度にすることに関して
、特にその速度では末端が分間さねるべきウールの形態
になると置去している。The specification makes reference to higher speeds than those mentioned above, especially when the ends are in the form of a wool that is to be kneaded for minutes.
（発明の要約）
本発明は、一定の好適限定条件のもとでは、高圧すなわ
ち高速の圧縮空気を射出すれば、球状の粒を製造するこ
とが可能であるという、予Ｉυ１しない発見に基づいて
いる。今までのところ、この条・件範囲については、大
部分高圧圧縮空気の高コストによって研究が阻まれてい
たが・本発明は斯界におけるかかる障害を克服して達成
された方法である。(Summary of the Invention) The present invention is based on the unexpected discovery that, under certain favorable conditions, it is possible to produce spherical particles by injecting compressed air at high pressure or high velocity. There is. Until now, research into this range of conditions has been hampered in large part by the high cost of high pressure compressed air; however, the present invention is a method that overcomes this obstacle in the art.
さて、本発明の目的は製鋼スラグ砕片の製造方法を提供
することであり、溶融材料の噴流の分散体が水の作用に
よることなく、また固体表面への溶融物の接触を意味す
るいかなるｖＡ１７１２的手段によるまでもなく製造さ
れる。Now, the object of the present invention is to provide a method for the production of steelmaking slag chips, in which the dispersion of the jet of molten material is carried out without the action of water and without any vA1712 method implying contact of the melt to solid surfaces. Manufactured by any means necessary.
これに対し本発明は、溶融スラグ流を分散させて粒滴に
した後、スラグ流に対して少なくとも４０°好ましくは
７０〜１１０°の範聞の角度で傾斜する冷却ガスの噴流
によって前記粒滴を冷却することにより凝固させる製鋼
スラグ砕片の製造圧縮ガスの噴流を吹付けることによっ
て行なうことを特徴とする製鋼スラグ砕片の製造方法を
提案する。In contrast, the present invention provides a method for dispersing the molten slag stream into droplets and then using a jet of cooling gas inclined at an angle of at least 40° with respect to the slag stream, preferably in the range of 70 to 110°. A method for manufacturing crushed steelmaking slag is proposed, which is characterized in that the manufacturing method is carried out by blowing a jet of compressed gas.
好適実施例によると；
高圧ガスの噴射は、流出する溶融スラグを砕く高速ガス
の連続膜状流の形に形成される。According to a preferred embodiment: The jet of high pressure gas is formed in the form of a continuous film stream of high velocity gas which breaks up the exiting molten slag.
高圧ガスの噴射即ち膜状流は、溶融物流出流の方向に７
０〜１】０°の間の角度に設定する。A jet or film of high-pressure gas flows in the direction of the melt effluent stream.
0~1] Set to an angle between 0°.
溶融物流が高圧ガスによって分散された後、既凝固また
は凝固中の粒滴は低圧で放出されるガスの高ｍ流によっ
てレシービングエリヤに向けて州！ばれる。After the melt stream is dispersed by the high pressure gas, the solidified or solidifying droplets are directed towards the receiving area by the high flow of gas released at low pressure. It will be revealed.
（詳細な説明）
図面に示されているリンツードナウイツ方法における製
鋼スラグの砕粒化を目的とする装置は、底部に制御可能
なダンパーを備える開口２ケ有する溶融スラグ１用容器
で構成され、該容器は溶融材料を耐火物製樋８を通じて
排出することができ□る。この樋は４Ｑｃｍ巾の平底を
もち水平面に対し４０°傾斜しており、その結果この樋
は、２〜３ｔ／ｍｉｎのスラグ流出、即ち大体１００
ｍ／’ｌ１ｌｉｎの流速に一致する溶融物流の厚さが２
〜３ ｃｍのスラグ流出を果すことができるようなスラ
グに対して使用される。(Detailed Description) The apparatus for pulverizing steelmaking slag in the Linzu-Donauits method shown in the drawings consists of a container for molten slag 1 having two openings with a controllable damper at the bottom; The vessel allows the molten material to be discharged through a refractory trough 8. This gutter has a flat bottom with a width of 4 Q cm and is inclined at 40° with respect to the horizontal plane, so that this gutter has a slag outflow of 2-3 t/min, i.e. approximately 100 t/min.
The thickness of the melt stream is 2, which corresponds to a flow velocity of m/'l1lin.
It is used for slags that can achieve a slag outflow of ~3 cm.
樋３の長さは短かく水平エツジ４部が末端であり、その
樋下には、それぞれ母線上に一対のインジェクター７．
８が取付けられている円筒状の管からなる２個の水平イ
ンジェクションバンク５゜６が配植されている。インジ
ェクターは、搏板状空気の噴流を生じさせる細長いノズ
ルを具え、かつ複数のインジェクターノズルは主軸が同
じ平面内にあるように配置されており、その結果上記バ
ンクから所定の距離に空気の一枚の連続膜流が各バンク
に対して形成される。もつと正確に言うと、６０°の広
がりをもつりｊ流が得られるノズルでは、バンクから約
５０闘のところに連続膜状流が形成される。そのときノ
ズルの間隔は５．Ｑｗである。The length of the gutter 3 is short and ends at a horizontal edge 4, and below the gutter, a pair of injectors 7.
Two horizontal injection banks 5°6 consisting of cylindrical tubes 8 are installed. The injector comprises an elongated nozzle producing a planar jet of air, and the injector nozzles are arranged such that their principal axes lie in the same plane, so that a sheet of air is placed at a predetermined distance from said bank. A continuous membrane flow of is formed for each bank. To be more precise, in a nozzle that has a 60° spread and produces a flow, a continuous film flow is formed approximately 50 degrees from the bank. At that time, the nozzle spacing was 5. It is Qw.
ノズルが３００の広がりの噴流を生じさせるもので・あ
る場合、大体２倍の距離のところに連続膜状流を形成す
る。ノズルの寸法は２〜３闘である。If the nozzle produces a jet with a spread of 300 mm, it will form a continuous film at approximately twice the distance. The size of the nozzle is 2-3 mm.
２個のバンクは位置および方向の調節ができ、各バンク
から噴射された連続膜状流を構成する空気が溶融スラグ
流に直ちに到達するように配置されている。２個のバン
クから噴射された空気膜状流の方向は、溶融スラグ流の
Ｈｅｍ上のところのポイントＡで集束し、即ち、特にイ
ンジェクションバンクが閉じられた場合に溶融スラグ流
が到達する点で集束する。かかるポイン）Ａは樋の端４
の延長上数ｃｍの所にある。溶融スラグに対する圧縮空
気膜状流の向きは既述したようにインジエクシミンバン
ク角度設定で調節できる。バンクの一方を溶融物排出流
に向って７０〜９０°の角度に保持し、また他方を同じ
排出流に向って９（）〜】】０・・０の角度に保持する
と十分な効果が生じることが判った。The two banks are adjustable in position and orientation and are arranged so that the continuous film of air injected from each bank immediately reaches the molten slag stream. The direction of the air film flow injected from the two banks converges at point A above the Hem of the molten slag flow, i.e. at the point where the molten slag flow reaches if the injection bank is closed. Focus. Such point) A is the end of the gutter 4
It is located several centimeters above the extension of The direction of the compressed air film flow relative to the molten slag can be adjusted by setting the indie excimin bank angle as described above. Holding one side of the bank at an angle of 70-90° toward the melt discharge stream and the other at an angle of 9()~]0...0 toward the same discharge stream produces a sufficient effect. It turned out that.
バンク５．６は、２０ Ｎｍ ／ｍｌｎ以上の流縫が得
られる約１６バールの高圧の圧縮空気源に接続されてい
る。Bank 5.6 is connected to a source of compressed air at a high pressure of about 16 bar, giving a flow stitch of more than 20 Nm/ml.
図示されたのが１つだけである他のｗ数のノズル９は、
樋の端近くに配置されている。これらのノズルは溶融物
流に向けられているのではなく、バンク５．６の作用を
通じて形成された粒滴】０の噴流に向けられている。こ
れらのノズル９は、例えば４〜５バールの工場の循環圧
縮空気によって供給されるような、比較的低圧の圧縮空
気源に接続されている。ただし、この低圧の圧縮空気は
高流量が供給される。これらのノズルの働きは、噴射装
置の近くに粒滴が堆積するのを防ぐために、凝固中ない
しは既に凝固した粒滴を遠い所（例えば１０〜１５ｍ）
に連ぷことである。またそれらは、もちろん生産物の冷
却に寄与する。Other w-number nozzles 9, of which only one is shown, are:
It is located near the end of the gutter. These nozzles are not directed at the melt stream, but at a jet of droplets formed through the action of banks 5.6. These nozzles 9 are connected to a source of compressed air at relatively low pressure, for example supplied by circulating factory compressed air at 4-5 bar. However, this low pressure compressed air is supplied at a high flow rate. The function of these nozzles is to direct the solidifying or already solidified droplets to a distant location (e.g. 10-15 m) in order to prevent droplets from accumulating near the injection device.
It is to continue. They also of course contribute to the cooling of the product.
重計％で、Ｔ、ｉｉ’ｅ ］ ８８％（ｊｊａｏ ４６
％、ＭｇＯ７，５％、ＭｎＯ５，５％、Ｐ、０．１．５
％、Ａ４，０３０．０２ ％、５Ｏ０１％の組成のリン
ツードナタイツ法製鋼スラグを排出した試験では、全部
しかもガラス化した表面を有するＯ０］５〜５關粒から
なる砕片が得られた。この方式においては、製…スラグ
は工場内で再利用したり、セメント工場へ供給すること
もでき、処理することかきわめて容易である。この場合
、砕片は予め脱炭器を経由することなしに焙焼炉へ直接
導入される。In weight percentage, T, ii'e] 88% (jjao 46
%, MgO7.5%, MnO5.5%, P, 0.1.5
%, A4,030.02%, and 5O01%. In a test in which steelmaking slag of the Rinzudnaite process was discharged with a composition of: In this method, the manufactured slag can be reused within the factory or supplied to a cement factory, and is extremely easy to dispose of. In this case, the crushed pieces are introduced directly into the roasting furnace without first passing through a decarburizer.
この発明は、他の態様でも操作し得る。特に、圧縮空気
は純粋ガス流、または酸素転炉製鋼工場に付帯されるガ
ス分離工場を発生源とする豊富な１窒素ガスに代えるこ
とができる。The invention may also operate in other ways. In particular, the compressed air can be replaced by a pure gas stream or by nitrogen-enriched gas originating from a gas separation plant attached to an oxygen converter steel mill.
図面は、本発明法の実施態様を例示する略紳図である。
】・・・溶融スラグ ２・・・開口
３・・・樋 ４・・・水平エツジ
５、６・・・インジェクションバンク
７．８・・・インジェクター ９・・・ノズル。
特許出願人 コンパニー・アンジュストリエーレ・ド・
レキペラシオーン・メタルリシック・セー。
イ、エル、エムThe drawing is a schematic diagram illustrating an embodiment of the method of the invention. ]... Molten slag 2... Opening 3... Gutter 4... Horizontal edges 5, 6... Injection bank 7.8... Injector 9... Nozzle. Patent applicant: Compagnie Angustrière de.
Requiperation metallithic se. I, L, M
Claims (1)
に対して少なくとも４０°好ましくは７０〜１１０°の
範囲の角度で傾斜する冷却ガスの噴流によって前記粒滴
を冷却することにより凝固させる製鋼スラグ砕片の製造
方圧力の圧縮ガスの噴流を吹付けることによって行なう
ことを特徴とする製鋼スラグ砕片の製造方法。 λ 高圧ガスの噴流は溶融スラグの排出流を砕く高速ガ
スの連続膜状流を形成するように調節することを特徴と
する特許請求の範囲】記載の方法。 ＆ 溶融スラグ流を高圧ガスによって分散さぜた後、凝
固ないしは凝固中の粒滴を低圧で放出すれる高速ガス流
によってレシービングエリヤへ押し流すことを特徴とす
る特許請求の範囲１記載の方法。 表 使用される高圧ガスが１６〜８２バールの圧力およ
び２０．０００ Ｈｍ ／ｍｉｎ （７）最小流５７ｔ
’ｔ’放出されることを特徴とする特許請求の範囲１
記載の方法。 五 高圧ガスが圧縮空気であることを特徴とする特許請
求の範囲］記載の方法。 ＆ 高圧ガスが窒素であることを特徴とする特許請求の
範囲】記載の方法。Claims: L After dispersing the molten slag stream into droplets, said droplets are dispersed by a jet of cooling gas inclined at an angle of at least 40° to the slag stream, preferably in the range from 70 to 110°. 1. A method for producing crushed steelmaking slag which is solidified by cooling. A method for producing crushed steelmaking slag, characterized in that the process is carried out by spraying a jet of compressed gas at a pressure. A method as claimed in claim 1, characterized in that the jet of high-pressure gas is adjusted to form a continuous film of high-velocity gas that breaks up the discharge stream of molten slag. A method according to claim 1, characterized in that, after the molten slag stream has been dispersed by high-pressure gas, the solidified or solidifying droplets are forced into a receiving area by a high-speed gas stream discharged at low pressure. Table High-pressure gas used at a pressure of 16-82 bar and 20.000 Hm /min (7) Minimum flow 57 t
Claim 1 characterized in that 't' is emitted.
Method described. 5. The method according to claim 1, wherein the high pressure gas is compressed air. & The method according to the claims, characterized in that the high pressure gas is nitrogen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR834014474 | 1983-07-12 | ||
| EP83401447A EP0131668B1 (en) | 1983-07-12 | 1983-07-12 | Process for obtaining granules from steelwork slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6025538A true JPS6025538A (en) | 1985-02-08 |
Family
ID=8191420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58195397A Pending JPS6025538A (en) | 1983-07-12 | 1983-10-20 | Production of steel manufacturing slag piece |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0131668B1 (en) |
| JP (1) | JPS6025538A (en) |
| KR (1) | KR840005491A (en) |
| AT (1) | ATE25465T1 (en) |
| DE (1) | DE3369793D1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851416A (en) * | 2012-09-24 | 2013-01-02 | 四川环能德美科技股份有限公司 | Heat recovery method for blast furnace slag |
| CN102851415A (en) * | 2012-09-24 | 2013-01-02 | 四川环能德美科技股份有限公司 | Recycling system of blast furnace slag heat |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT409235B (en) * | 1999-01-19 | 2002-06-25 | Boehler Edelstahl | METHOD AND DEVICE FOR PRODUCING METAL POWDER |
| AT407841B (en) * | 1999-08-27 | 2001-06-25 | Holderbank Financ Glarus | DEVICE FOR GRANULATING AND CRUSHING LIQUID SLAG OR FOAM SLAG |
| BR9905656A (en) * | 1999-11-30 | 2001-07-24 | Viviane Vasconcelos Vilela Ltd | Apparatus and process for the extraction of heat and for the solidification of particles of molten materials |
| DE10326952B4 (en) * | 2003-06-05 | 2006-04-20 | Yerihemzon-Logvynskyi, Leonid, Dr. | Method and device for granulating liquid slags |
| CN106269173B (en) * | 2016-10-09 | 2018-06-12 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of breaking method of carbide slag |
| CN108165688B (en) * | 2018-01-16 | 2019-08-06 | 江苏省镔鑫钢铁集团有限公司 | A kind of metallurgical slag adustion system |
| CN109943673B (en) * | 2019-03-22 | 2021-10-29 | 北京硕人节能环保技术有限公司 | Smelting molten slag air-fog double-fluid granulation treatment process and device |
| CN111450774B (en) * | 2020-01-20 | 2025-03-28 | 深圳市芭田生态工程股份有限公司 | Airflow cooling dripping granulation method and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR387218A (en) * | 1908-02-13 | 1908-07-03 | El (Brevete) Et Ses Applications Industrielles | Method and apparatus for granulating slag |
| FR83190E (en) * | 1963-03-05 | 1964-06-26 | Siderurgie Fse Inst Rech | Metallurgical slag granulation device |
| US4218201A (en) * | 1978-07-25 | 1980-08-19 | Nippon Steel Corporation | Apparatus for producing solidified granular slag from molten blast furnace slag |
-
1983
- 1983-07-12 EP EP83401447A patent/EP0131668B1/en not_active Expired
- 1983-07-12 AT AT83401447T patent/ATE25465T1/en not_active IP Right Cessation
- 1983-07-12 DE DE8383401447T patent/DE3369793D1/en not_active Expired
- 1983-08-12 KR KR1019830003774A patent/KR840005491A/en not_active Withdrawn
- 1983-10-20 JP JP58195397A patent/JPS6025538A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851416A (en) * | 2012-09-24 | 2013-01-02 | 四川环能德美科技股份有限公司 | Heat recovery method for blast furnace slag |
| CN102851415A (en) * | 2012-09-24 | 2013-01-02 | 四川环能德美科技股份有限公司 | Recycling system of blast furnace slag heat |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0131668B1 (en) | 1987-02-11 |
| EP0131668A1 (en) | 1985-01-23 |
| ATE25465T1 (en) | 1987-02-15 |
| KR840005491A (en) | 1984-11-14 |
| DE3369793D1 (en) | 1987-03-19 |
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