CN102725427A - Gas purging device - Google Patents

Gas purging device Download PDF

Info

Publication number
CN102725427A
CN102725427A CN2010800631598A CN201080063159A CN102725427A CN 102725427 A CN102725427 A CN 102725427A CN 2010800631598 A CN2010800631598 A CN 2010800631598A CN 201080063159 A CN201080063159 A CN 201080063159A CN 102725427 A CN102725427 A CN 102725427A
Authority
CN
China
Prior art keywords
tracheae
gas purging
purging device
purge zone
gas
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
CN2010800631598A
Other languages
Chinese (zh)
Other versions
CN102725427B (en
Inventor
B.汉德勒
B.齐范诺维
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.)
Refractory Intellectual Property GmbH and Co KG
Original Assignee
Refractory Intellectual Property GmbH and Co KG
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 Refractory Intellectual Property GmbH and Co KG filed Critical Refractory Intellectual Property GmbH and Co KG
Publication of CN102725427A publication Critical patent/CN102725427A/en
Application granted granted Critical
Publication of CN102725427B publication Critical patent/CN102725427B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Details (AREA)

Abstract

The invention relates to a gas purging device, as is used, for example, in metallurgical melting vessels (such as converters, ladles, and tundishes) to blow a gas, optionally in combination with finely distributed solids, into a metallurgical melt.

Description

The gas purging device
Technical field
The present invention relates to a gas purging device, for example it uses in the melting vessel (for example converter, ladle, funnel) of metal metallurgy smelting, is used for gas, possibly is injected to metal metallurgy smelting liquation the inside with the solid of segmentation cloth in combination.
Background technology
The the 288th to 302 page of overview that has provided about the different structure form of this gas purging device of Radesx-Rundschau (1987).Distinguish purging brick and purging brick that for example so-called slit purges machine, has " non-directional hole " in view of the above with " directional hole ".
In the purging machine of slit, for example realize the gas input through the circumferential weld between the plate shell of closely knit ceramic body and circumference.
Gas purging device (gas purging brick) with so-called " directional hole " is generally processed by the fireproof ceramic body, a plurality of therein passages (having small flow cross section) the gas purging device axially on extend.Gas delivery is given to molten metal through channel lead and in the other end from passage to an end.The path of the gas purging brick of gas through having directional hole be mostly collinear and through the gas purging device of being everlasting axially on, although known embodiment, wherein passage and gas purging device axially compares and/or extends spirally.
The fireproof ceramic body has many unlimited holes in the gas purging brick with so-called " non-directional hole ".Gas is also along through-flow this ceramic body of passage of confirming, but flows to exhaust side by ground, hole from inlet end, but this flow connect also basically the gas purging device axially on realize.
If speak of " gas purging device axially " below, then refer to principal direction relatively, at the through-flow gas purging device of this direction gas.Axially consistent in the gas purging brick of cylindrical or taper type with the central axis of gas purging device.
The combination of above-mentioned gas blow device embodiment belongs to prior art (DE 37 16 388 C1) equally.Especially in having the gas purging brick of directional hole, exist molten metal penetrates into gas purging brick the inside along passage danger.Be applicable to also that similarly the slit purges machine.Advise different measures, stoped the molten metal of clamp-oning.So-calledly penetrate insurance and belong to this measure, the liquation that removes targetedly and/or condense and clamp-on by means of them.
Provide by EP 0105868 B1 and to confirm effective embodiment for a long time.Known defective is that penetrating insurance is additional parts for the gas purging brick.
Summary of the invention
The objective of the invention is, the gas purging device of an above-mentioned form is provided, it is realized high safety standards and prevents that reliably molten metal from penetrating.
Basic thought of the present invention is, said gas purging device constitutes through at least two purge zone, and they can be near extending abreast, but air feed dividually.Another thought of the present invention is, makes full use of the air blowing that is transported to purge zone, and cooling simultaneously is attached to the tracheae of another purge zone.This cooling is normally in service at the gas purging device to be unnecessary; But it realizes possibility, is penetrated under the situation of this tracheae the inside the frozen iron liquation at molten metal and prevents that thus molten metal from continuing to clamp-on and damage the gas purging device.The present invention also recognizes; Have only refrigerative segmentation when relevant tracheae to have to depart from the gas purging assembly axis to orientation the time; Just realize this security feature reliably, wherein this sectional orientation will be basically perpendicular to the principal direction (=gas purging device axially) of tracheae.
The present invention relates to a gas purging device in its general embodiment; Have first purge zone, it is by the first tracheae air feed, and has second purge zone; It is by the second tracheae air feed; Wherein first and second purge zone the gas purging device axially on extend and first tracheae has segmentation, it with respect to the extending axially and being provided with like this of gas purging device, makes this segmentation by the gas-circulating of carrying through second tracheae with 90 ± 45 ° angle.
In case molten metal is squeezed into gas purging device the inside, the flow direction of molten metal corresponds essentially to the axial of gas purging device.Realize turning to and slowing down thus flow velocity at the refrigerative segmentation position of first tracheae at the latest.Through the liquation stream that can improve the viscosity of the liquation of clamp-oning rapidly and stop to continue by means of this segmentation of sweeping gas cooling.
Reduce flow velocity and improve said segmentation with said cooling gas between surface in contact can optimizing, if segmentation accordingly more or less perpendicular to the gas purging device extend axially and long as much as possible.
The segmentation that for this reason can make first tracheae is cyclic or has the shape of part ring.One alternative embodiment regulation, the segmentation of first tracheae constitutes sinuously.
The refrigerative segmentation of wanting that first tracheae is relevant can be through the guiding of second sub-air chamber, and second tracheae leads to second sub-air chamber and extends to second purge zone therefrom.Second sub-air chamber satisfies a plurality of functions in this embodiment: on the one hand, it is used to distribute gas and the balanced thus compression ratio of carrying through second tracheae, before gas gets into second purge zone.On the other hand, can make full use of the volume of sub-air chamber, that holds first tracheae wants the refrigerative segmentation, can make thus this segmentation all sidedly with cooling gas around.
If second sub-air chamber does not have being connected of direct fluid technique with first purge zone, then improve the safety that cooling performance also improves the gas purging device thus.This point for example can realize thus, seals with respect to second sub-air chamber except wanting the refrigerative segmentation through making first tracheae.
This point for example can realize thus, through between relevant tracheae and adjacent parts, being provided with one or more sealings.
The refrigerative segmentation of wanting of first tracheae can be extended between the tracheae segmentation of mutual centering.In other words: on the more or less collinear first air inlet end of tracheae, connect above-mentioned segmentation or with a kind of structure formation, its is near ring section or serpentine and another section of giving vent to anger that lead to tracheae, and centrally extend the air inlet end of it and tracheae.
The gas of carrying through first tracheae can lead to first sub-air chamber, extends first purge zone therefrom.This point is applicable to other embodiment of first tracheae certainly similarly.
First purge zone can be the same with second purge zone processed and is had directed or a nondirectional hole by the fireproof stupalith.First purge zone is constituted through directional hole and second purge zone is constituted with nondirectional hole.Same two purge zone can have directed or nondirectional hole respectively.According to the present invention, said gas purging device can be through constituting more than two purge zone, wherein other purge zone or the tracheae through being used for first and second purge zone air feed together.Perhaps can make other purge zone through tracheae air feed and/or gas/solid mixture separately.
Be unessential on the structure principle of each purge zone.If but second purge zone is surrounded first purge zone with one heart, then obtain compact embodiment.The hole of first purge zone center, axially extended through orientation constituted and surround at this by second purge zone columniform, that have the non-directional hole more or less.Two purge zone can wherein be passed the gas cooling that sub-air chamber extends and quilt is blown into through another tracheae there according to tracheae of the present invention in the air inlet end through sub-air chamber's air feed of each subordinate.
Further feature of the present invention is provided by characteristic and other application documents of dependent claims.
Description of drawings
Explain the present invention by means of various embodiment below.Illustrate with synoptic diagram respectively at this:
Fig. 1: according to the longitdinal cross-section diagram of gas purging device first embodiment of the present invention with along the view of X-X
Fig. 2: the longitdinal cross-section diagram of second embodiment of gas purging device
Parts identical in the accompanying drawings or identical function are represented with identical label symbol.
Embodiment
Gas purging device according to Fig. 1 has cylinder form, and it also can constitute on similar taper type ground.Be provided with the first columniform purge zone 10 with one heart with central longitudinal axis M-M, 10u extends to the end 10o that gives vent to anger from the air inlet end along its many slit-shaped passage 12.First sub-air chamber 14 is set below first purge zone 10.
Extend second purge zone 20 around it with one heart with purge zone 10, have so-called non-directional hole, wherein still 20u extends to the end 20o that gives vent to anger to the refractory materials of this second purge zone 20 from the air inlet end.Below cylindrical second purge zone 20 of annular, extend second sub-air chamber 24.
Surrounded by plate shell 30 at the circumference blowing device, it carries out the transition to bottom 32, and the bottom is formed for the lower boundary wall body of sub-air chamber 14,24 simultaneously, and they are separated from each other through thin plate right cylinder 34.
Second tracheae 26 leads to second sub-air chamber 24; Second tracheae correspondingly (airtightly) pass that bottom 32 is extended and with 20u compartment of terrain, the bottom termination of second purge zone 20, make gas distribute and can direct into therefrom the hole of opening wide of second purge zone 20 in second sub-air chamber, 24 the insides thus.Then through-flow second purge zone 20 of gas (in the accompanying drawings: from bottom to top, promptly the gas purging device axially on), up to leave the gas purging device at 20o.
First tracheae 16 leads to second sub-air chamber 24 equally; Wherein it also (airtightly) pass the bottom 32; But continue continuously then to extend, and extend in second sub-air chamber, 24 the insides semicirclely, wherein this segmentation is represented with label symbol 16t; Then pass next door (airtightly) on the direction with another segmentation 16z next door 34, lead to first sub-air chamber 14 then.
The gas of carrying through pipeline 16 then at first the gas purging device axially on flow; Turn at 16u then; Then being basically perpendicular to present flow direction passes second sub-air chamber 24 and flows; Before gas is discharged in first sub-air chamber 14, distribute there and pass the passage 12 of first purge zone 10 10u then leaves to through-flow this purge zone 10 of the end 10o that gives vent to anger from the air inlet end.
Structure by above-mentioned obtains, and the gas of carrying through second tracheae 26 streams first tracheae 16, especially in the segmentation 16t of second sub-air chamber, 24 the insides and cooling thus.
This realizes possibility, and the 16t at the position, 16z stop molten metal to infiltrate by means of gas cooling of carrying through tracheae 26 and the molten metal that condenses and clamp-on through gas passage 12 thus.Segmentation 16t, 16z have the function that penetrates insurance of combination.
Identical principle is used in the embodiment shown in Figure 2.But second tracheae 16 here is not to pass 24 guidings of second sub-air chamber according to the form of ring section.Extend to first sub-air chamber 14 but segmentation 16t passes second sub-air chamber 24 point-blank with next door 34, upwards connection has first purge zone 10 of directional hole above that.
In two embodiment importantly, refrigerative segmentation 16t with 90 ° ± 45 ° angle with respect to the extending axially of gas purging device, wherein axially define direction; It is corresponding to the main flow direction of gas; Also be basically parallel to the central longitudinal axis M-M of gas purging device, perhaps in other words: at the air inlet section 10u of purge zone 10,20; 20u and the section of giving vent to anger 10o, the direction between the 20o.

Claims (10)

1. a gas purging device has first purge zone (10); It is by first tracheae (16) air feed; And has second purge zone (20); It is by second tracheae (26) air feed, wherein first and second purge zone (10,20) the gas purging device axially on extend and first tracheae (16) has segmentation (16t); It with respect to the extending axially and being provided with like this of gas purging device, makes this segmentation (16t) by the gas-circulating of carrying through second tracheae (26) with the angle of 90+/-45 degree.
2. gas purging device as claimed in claim 1, wherein the segmentation (16t) of first tracheae (16) is through second sub-air chamber (24) guiding, and second tracheae (26) leads to second sub-air chamber and extends second purge zone (20) therefrom.
3. gas purging device as claimed in claim 2, wherein second sub-air chamber (24) does not have to the connection of the direct fluid technique of first purge zone (10).
4. gas purging device as claimed in claim 1, wherein the segmentation (16t) of first tracheae (16) is cyclic or has the shape of part ring.
5. gas purging device as claimed in claim 1, wherein the segmentation (16t) of first tracheae (16) has sinuous trend.
6. gas purging device as claimed in claim 1, wherein the segmentation (16t) of first tracheae (16) is extended between the segmentation of the mutual centering of tracheae (16).
7. gas purging device as claimed in claim 1, its first tracheae (16) leads to first sub-air chamber (14), extends first purge zone (10) therefrom.
8. gas purging device as claimed in claim 1, its first purge zone (10) are processed by the fireproof stupalith and are had directed and/or nondirectional hole.
9. gas purging device as claimed in claim 1, its second purge zone (20) are processed by the fireproof stupalith and are had directed and/or nondirectional hole.
10. gas purging device as claimed in claim 1, its second purge zone (20) is surrounded first purge zone (10) with one heart.
CN201080063159.8A 2010-02-05 2010-12-11 Gas purging device Active CN102725427B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010007126.9 2010-02-05
DE102010007126A DE102010007126B3 (en) 2010-02-05 2010-02-05 gas purging
PCT/EP2010/007568 WO2011095193A1 (en) 2010-02-05 2010-12-11 Gas purging device

Publications (2)

Publication Number Publication Date
CN102725427A true CN102725427A (en) 2012-10-10
CN102725427B CN102725427B (en) 2015-04-15

Family

ID=43923518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201080063159.8A Active CN102725427B (en) 2010-02-05 2010-12-11 Gas purging device

Country Status (9)

Country Link
EP (1) EP2531623B1 (en)
JP (1) JP5711269B2 (en)
KR (1) KR20120116456A (en)
CN (1) CN102725427B (en)
DE (1) DE102010007126B3 (en)
ES (1) ES2522532T3 (en)
PL (1) PL2531623T3 (en)
WO (1) WO2011095193A1 (en)
ZA (1) ZA201205605B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102899446A (en) * 2012-11-16 2013-01-30 重庆赛迪工业炉有限公司 Purging device
CN105517728A (en) * 2014-05-05 2016-04-20 里弗雷克特里知识产权两合公司 Refractory ceramic gas purging element

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763185C (en) * 1938-06-14 1953-02-09 August Thyssen Huette A G Method and device for introducing additives into the converter
JPS57161038A (en) * 1981-03-17 1982-10-04 Didier Werke Ag Device for introducing gas to metallurgical vessel
EP0233952A1 (en) * 1984-12-24 1987-09-02 Steuler-Industriewerke GmbH Guiding construction for the gas supply pipe of gas-rinsing units for steel ladles
US5465943A (en) * 1990-12-07 1995-11-14 Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse Bottom or wall structure for a metallurgical vessel

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027582B (en) * 1953-08-31 1958-04-03 Dynamidon Werk Engelhorn & Co Process for the production of highly refractory bricks
JPS5721667U (en) * 1980-07-09 1982-02-04
AT376455B (en) * 1982-10-06 1984-11-26 Oesterr Amerikan Magnesit METALLURGICAL OVEN OR METALLURGICAL TANK
US4754954A (en) * 1986-01-29 1988-07-05 Lazcano Navarro Arturo Refractory device for introducing a gas into a molten metal and a method for making the device
DE3716388C1 (en) * 1987-05-15 1988-10-27 Radex Deutschland Ag Gas flushing stone
JPH03297537A (en) * 1990-04-13 1991-12-27 Nkk Corp Ladle bottom blowing porous brick and method for removing stuck metal to the brick
DE4103837A1 (en) * 1991-02-08 1992-08-13 Plibrico Gmbh Metallurgical vessel blower system - has fireproof perforated brick with charged gas passages contg. fireproof gas washing brick
JPH0656690U (en) * 1992-12-25 1994-08-05 愛知製鋼株式会社 Electric furnace for steelmaking
US6199836B1 (en) * 1998-11-24 2001-03-13 Blasch Precision Ceramics, Inc. Monolithic ceramic gas diffuser for injecting gas into a molten metal bath
JP2002028772A (en) * 2000-07-14 2002-01-29 Daido Steel Co Ltd Porous plug
KR100931159B1 (en) * 2002-11-21 2009-12-10 주식회사 포스코 Forus plug device for ladle
DE10305232B3 (en) * 2003-02-08 2004-08-05 Refractory Intellectual Property Gmbh & Co.Kg Refractory ceramic gas purging plug
JP2006283052A (en) * 2005-03-31 2006-10-19 Jfe Steel Kk Gas-blowing tuyere
DE102008029934B3 (en) * 2008-06-26 2009-06-10 Refractory Intellectual Property Gmbh & Co. Kg Fireproof ceramic gas purging plug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE763185C (en) * 1938-06-14 1953-02-09 August Thyssen Huette A G Method and device for introducing additives into the converter
JPS57161038A (en) * 1981-03-17 1982-10-04 Didier Werke Ag Device for introducing gas to metallurgical vessel
EP0233952A1 (en) * 1984-12-24 1987-09-02 Steuler-Industriewerke GmbH Guiding construction for the gas supply pipe of gas-rinsing units for steel ladles
US5465943A (en) * 1990-12-07 1995-11-14 Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse Bottom or wall structure for a metallurgical vessel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102899446A (en) * 2012-11-16 2013-01-30 重庆赛迪工业炉有限公司 Purging device
CN105517728A (en) * 2014-05-05 2016-04-20 里弗雷克特里知识产权两合公司 Refractory ceramic gas purging element
CN105517728B (en) * 2014-05-05 2017-11-14 里弗雷克特里知识产权两合公司 Refractory gas purges element

Also Published As

Publication number Publication date
JP5711269B2 (en) 2015-04-30
CN102725427B (en) 2015-04-15
KR20120116456A (en) 2012-10-22
EP2531623A1 (en) 2012-12-12
DE102010007126B3 (en) 2011-07-07
ES2522532T3 (en) 2014-11-14
PL2531623T3 (en) 2015-01-30
ZA201205605B (en) 2013-05-29
JP2013519061A (en) 2013-05-23
WO2011095193A1 (en) 2011-08-11
EP2531623B1 (en) 2014-10-08

Similar Documents

Publication Publication Date Title
CN206083842U (en) A part piece for controlling come from stream of fire -resistant container
CN101873903B (en) Stopper rod
CN102725427A (en) Gas purging device
US9884366B2 (en) Closure plate, and a slide closure on the spout of a container containing molten metal
EP3194095A1 (en) Impact pad, tundish and apparatus including the impact pad, and method of using same
US9308581B2 (en) Impact pad, tundish and apparatus including the impact pad, and method of using same
US7276205B2 (en) Injection device and process for the injection of a fluid
CN208161081U (en) A kind of spiral-flow type steam condensation separator
FI124223B (en) SUSPENSION DEFROSTING OVEN AND CONCENTRATOR
US9302321B2 (en) Ceramic refractory stopper
CN206065393U (en) A kind of ferro-aluminum tundish
US20230136922A1 (en) Submerged nozzle with rotatable insert
CA2744385C (en) Tundish impact pad
KR101183836B1 (en) A Probe Measuring High Overheating Degree Molten Metal
AU2010251491A1 (en) Metallurgical melting and treatment unit
CN209969552U (en) Air blowing type ladle down nozzle
KR20140019841A (en) Refractory ceramic slide plate and associated slide plate set
EP3198041B1 (en) Access port arrangement and method of forming thereof
US5853658A (en) Gas purging device in the blowpipe of a degassing vessel
IES86071Y1 (en) Ceramic refractory stopper
KR20240056550A (en) Method and burner for equalizing the feeding of reaction gas when feeding reaction gas into a suspension smelting furnace
CN103192057A (en) Deslagging sprue bushing for aluminium alloy squeezing mould
DE102009060827A1 (en) Lance head for a lance with a ceramic nozzle insert
RO133961B1 (en) Protection tube for continuous casting of steel with high inclusionary purity

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant