CN106796084B - Weir module for smelting furnace - Google Patents
Weir module for smelting furnace Download PDFInfo
- Publication number
- CN106796084B CN106796084B CN201580053933.XA CN201580053933A CN106796084B CN 106796084 B CN106796084 B CN 106796084B CN 201580053933 A CN201580053933 A CN 201580053933A CN 106796084 B CN106796084 B CN 106796084B
- Authority
- CN
- China
- Prior art keywords
- weir
- furnace
- smelting furnace
- module
- surface plate
- 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.)
- Active
Links
- 238000003723 Smelting Methods 0.000 title claims abstract description 71
- 238000001816 cooling Methods 0.000 claims description 106
- 239000000463 material Substances 0.000 claims description 72
- 238000010276 construction Methods 0.000 claims description 27
- 239000011819 refractory material Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims 2
- 239000000289 melt material Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- -1 and in the process Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/08—Making pig-iron other than in blast furnaces in hearth-type furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
Abstract
A kind of weir module (100) is arranged for being releasably attached to smelting furnace (10), and the smelting furnace includes at least one weir attachment part (120).Weir module (100) includes the separated structure separated with smelting furnace (10), and weir module (100) includes at least one furnace bonding part (130), which can be releasably engaged at least one weir attachment part (120) of smelting furnace (10).
Description
Priority cross reference
The present invention claims enjoy Australian Provisional Patent Application No.2014904057's that on October 10th, 2014 submits
Priority, the full content of the Australian Provisional Patent Application should be understood as being incorporated by this specification by this.
Technical field
Present invention relates in general to a kind of interchangeable weir modules for being used for (pyrogenic process) smelting furnace.Particularly, the present invention can
Applied to top blast immersion spray gun (TSL) furnace, and it will be convenient for the present invention related with the exemplary application disclosed below.So
And, it is to be understood that the present invention is not limited to the applications, but can be applied to using for collecting and removing melted material
Any continuous operation furnace on weir.
Background technique
Hereafter the discussion of background of the invention is intended to help to understand the present invention.It is to be understood, however, that the discussion is not
It is to accept as unavoidable or recognize that any material being related to comes forth before the priority date of the application, known or part is common knowledge.
It weir can be by the design comprising the smelting furnace to continuous operation, to remove melted material (such as metal, matte
And/or the clinker from furnace).Example using the smelting furnace on weir includes electric furnace, Outotec flash smelting furnace, top-blown spray gun spray
Penetrate furnace etc..Top-blown spray gun jeting furnace use spray gun, with above liquid-bath or among provide top-blown gas or immersion injection
Gas.The example of top-blown spray gun injection is Mitsubishi's process for copper, and in the process, spray gun causes gas (such as air or oxygen-enriched sky
Gas) impinging jet on the top surface of liquid-bath and penetrate the top surface of liquid-bath, to generate and convert matte respectively.In immersion
In the case where lance ejection, the lower end of spray gun is submerged, so that injection is generated in the slag blanket of liquid-bath rather than generated in liquid-bath
Slag blanket above, with provide top blast immersion spray gun (TSL) injection.Widely known TSL furnace construction is the applicant
Outotec Ausmelt TSL technology is applied in the processing of large-scale metal.
Weir can provide a variety of productions, operation and occupational health and safety-related advantage, these advantages include:
The improved furnace operational stability caused by relative constant liquid-bath depth and continuous operation；
Due to less consumables (for example, discharge outlet clay, discharge outlet insertion piece, oxygen lance), operation and maintenance
The operating cost reduced caused by expense (for example, drilling machine and mud gun, other boring devices)；
Due to not needing the replacement of discharge outlet insertion piece, the furnace practicability increased compared with the furnace for using conventional exhaust mouth；
With
Reduced labour demand, because not needing furnace opening manipulation, cleaning hurley log washer etc..This saves wage operations
Possible injury to personnel (burn) and/or unfavorable health effect are paid and reduced (for example, thermal stress, drained, dehydration
Deng).
In any case, it is still desirable to periodic weir examination and maintenance behavior, to ensure the safety and optimum operation on weir, as
The case where for all smelting furnace components, is such.
Weir is at least included into the integration section as overall furnace structure design when forehearth designs for TSL furnace.This
In structure, the refractory material on weir is included in overall furnace refractory lining, is specifically included in and is prolonged between the inside of Lu Heyan
Among the channel stretched and in the refractory material of surrounding, melted material passes through the channel.Other phases association between weir and furnace
The element (for example, cooling surface plate) of work is also comprising into the structure of furnace body.
Although the Integrated design of weir and furnace produces the structure with expected intensity, it is this it is integrated furnace still
When " online " (that is, at work and/or for use), needing to pass in and out weir to check and/or when maintenance activities can generate difficulty.
Some maintenances can be executed by removing one or more top sections on weir.But the refractory material on weir is integrated entire
It is hampered in the refractory lining of furnace and is readily separated from weir and furnace.Therefore, most of examination and maintenance behavior need partly or
Fully shut down furnace.
It is therefore desirable to provide when furnace is online preferably help check and/or the weir of maintenance activities and
Furnace construction.
Furthermore it is also possible to which it is desirable that, existing furnace can be transformed to increase production capacity/yield weir device by providing.
This can provide achievable solution, in the solution, use discharge outlet (it is used to discharge melted material in batches)
Furnace can use weir and be transformed, to improve yield and obtain more stable operability.
Summary of the invention
The first aspect of the present invention provides a kind of for being releasably attached to the weir module of smelting furnace, and smelting furnace includes
At least one weir attachment part, wherein weir module includes the separated structure separated with smelting furnace, and weir module includes at least one
A furnace bonding part, the furnace bonding part can be releasably engaged at least one weir attachment part of smelting furnace.
Weir module of the invention can be releasably attached to the furnace mutually to cooperate.Structure is provided using isolated weir module
Separative unit, the smelting furnace attachment and dismantle which can when needed and mutually cooperate.Therefore, weir module can be with
It is removed, to be used for examination and maintenance behavior, and can be replaced in some embodiments by another weir module, in order to avoid need to close
Stop entire furnace and continual furnace is allowed to operate.Using dismountable weir module construction of the invention make it possible to it is simple and
Weir is rapidly removed, to be used for examination and maintenance behavior, without shutting down furnace completely.In addition, simply and quickly installing more
The weir module changed maximizes the practicability of furnace and supply processing capacity.
Flexibility can also be introduced into the melted material (furnace for various furnaces by the weir module that can be releasedly attached
Slag, matte and/or metal) in emissions operation.For example, melted material can be opened by using the discharge in the side for being formed in furnace
Mouth or discharge orifice are discharged in batches and are removed.When expectation increases yield, weir module of the invention can be mounted on furnace
Or for furnace to be transformed, to increase yield.Weir module can be used discharge orifice and be open as weir, and weir is open the melting material in furnace
Material is fluidly coupled to weir module.Alternatively, discharge orifice can be replaced by attaching to the appropriate opening of weir module/channel.
Weir design for smelting furnace generally includes cooling surface plate, and cooling surface plate is for the cooling company between furnace and weir
Selected areas among socket part and around the interconnecting piece.Weir module of the invention preferably includes at least one cooling surface plate.
In addition, in many examples, the furnace bonding part of each weir module includes at least one weir cooling surface plate, it is described at least one
Weir cooling surface plate is configured to the institute constituency among the cooling interconnecting piece between furnace and weir module and around the interconnecting piece
Domain, more specifically, cooling between furnace and weir, melted material is around the region of its flowing.Similarly, each weir attachment of furnace
Part preferably includes furnace cooling surface plate, and the furnace cooling surface plate has the construction complementary with the weir cooling surface plate mutually to cooperate.Make
In, each furnace cooling surface plate is configured to mutually cooperate with weir cooling surface plate, with the cooling interconnecting piece between furnace and weir module
Among and the interconnecting piece around selected areas, more specifically, cooling positioned at furnace and weir between, melted material is flowed around it
Dynamic region.It is used to make refractory wear/corrosion rate minimization in the region using such cooling surface plate.
It the use of the panel that isolated weir cooling surface plate and furnace cooling surface plate allow these to separate independently include to weir module
In the corresponding construction of furnace.Then, when weir, module is attached to furnace, cooling surface plate can be concatenated or connect in other ways
It closes.In some embodiments, the weir cooling surface plate and furnace cooling surface plate of each phase cooperation are each configured to releasably in use
Ground engagement, weir module is collaboratively attached on furnace.Therefore, the releasable attachment function on each weir makes in weir module and furnace
The company being located between the structure of weir module and the separated structure of furnace is preferably formed as with isolated cooling surface plate to form junction
Contact.
Releasable engagement between the furnace bonding part of each weir module and the weir attachment part of furnace can have
Any form appropriate or arrangement.In some embodiments, two structure abutting engagements.In other embodiments, structure exists
In place of weir cooling surface plate and furnace cooling surface plate or surrounding physically links or interconnects.Weir cooling surface plate and furnace cooling surface plate are preferably
With the construction mutually to cooperate, to facilitate the releasable attachment between Lu Heyan module.
Positioned at weir cooling surface plate in place of furnace cooling surface plate or the construction of surrounding mutually to cooperate can have it is any appropriate
Construction.In some embodiments, each of furnace bonding part and weir attachment part include being located at corresponding weir cooling surface plate
With on furnace cooling surface plate or the attachment structure of surrounding mutually to cooperate, the attachment structure mutually to cooperate facilitate Lu Heyan module
Between releasable attachment.The attachment structure mutually to cooperate may include mounting bracket, mounting platform, attachment frame and its
Combination.Mutually the attachment structure of cooperation can be releasedly attached by using attachment device, and the attachment device utilizes at least one
A fastener and the reception features mutually to cooperate, hook and mounting portion, clamping device, grip device, stick and the hole structure mutually to cooperate
Make etc., and combinations thereof.
In some embodiments, the attachment structure of Xiang Xiezuo includes the weir attachment frame extended from furnace and extends from weir module
The furnace attachment frame mutually to cooperate, the furnace attachment frame of phase cooperation can be releasably attached to weir attachment frame.It should
Understand, fastener of the reception in the opening mutually to cooperate in attachment frame can be used (for example, interlocking nut and spiral shell
Bolt), to help to be attached.In some embodiments, it is cooling can be bonded on furnace for grip device (such as C-shaped or U-board or lid)
Panel on one or more abutting edges of weir cooling surface plate or be bonded on the other parts of the attachment structure mutually to cooperate
On, corresponding one or more abutting edges are kept together.Can by by one or more fasteners (for example, phase
The screw bolt and nut of cooperation) it is inserted through plate or lid or other similar components, using (it provides clamping from having biasing member
Power) C-shaped or the chucking power of U-board this engagement is provided.
The weir attachment part of furnace may include mounting structure (for example, frame or ledge), the mounting structure be attached to furnace,
It is either fixedly positioned into the neighbouring furnace or around the furnace, weir module in use is installed on the furnace.For example, installation
Structure can be formed as ledge or platform, and weir module can be placed on the ledge or platform.In some forms, mounting structure
Including mobile device, the mobile device allows that weir module is for example moved away from the furnace using crane, is preferably moved to
It can more easily move/remove the position of weir module.For example, mounting structure may include fixture, moveable frame or lead
Rail device allows weir module laterally to move away from the side of furnace.In some embodiments, the furnace joint portion subpackage on weir
A part of mobile device (such as fixture, roller or the like) is included, the part of the translating device mutually cooperates with mounting structure
Or interact in other ways, to help movement of the weir module on mounting structure.It should be understood that mounting structure is also
A part of the attachment structure mutually to cooperate between weir module and furnace can be formed.
Preferably, weir cooling surface plate has the construction mutually to cooperate with furnace cooling surface plate, to assist corresponding cooling surface
Engagement, preferably abutting engagement between plate.Therefore, weir cooling surface plate may include the table of joint mutually to cooperate with furnace cooling surface plate
Face, when weir, module is attached to furnace, the engagement surface of the phase cooperation is generally abutted and/or is engaged.In addition, weir cooling surface
Plate and furnace cooling surface plate can have complementary construction.In some embodiments, weir cooling surface plate includes conductive metal block, described
Conductive metal block has the plane extended from the rear side of weir module.Similarly, furnace cooling surface plate includes conductive metal block, the biography
Leading metal block has the plane extended from the side (preferably near the base portion of furnace) of furnace.Although cooling surface plate can be by any suitable
When conductive material manufacture, but in a preferred embodiment, cooling surface plate is made by copper.Copper cooling surface plate is preferably by means of stream
The dynamic cooling fluid (for example, water) by internal heat exchange pipeline or liner in each cooling surface plate is cooled.
The furnace bonding part of each weir module can also include that melted material is open, and the melted material opening is fluidly close
The melted material opening mutually to cooperate being sealed in furnace.Melted material opening includes the opening in the melted material channel of weir module, institute
The melted material channel for stating weir module is configured to mutually cooperate and seal with the melted material channel of furnace.Melted material opening can have
There is any construction appropriate.Preferably, the melted material channel of weir module has and mutually cooperates with the melted material channel of furnace and mutually
The construction of benefit, this facilitates the Fluid Sealing between the melted material channel of weir module and the melted material channel of furnace.Some
In embodiment, the melted material opening of weir module is configured to fit among the melted material opening of furnace or surrounding.Some
In embodiment, the refractory material of mortar, cement or tight fit can be used, it is molten with furnace to help the melted material on weir to be open
Melt the Fluid Sealing between material opening.
In refractory material for being open in the embodiment of those of melted material channel positioned at the melted material of weir module and furnace
Any refractory material of surrounding tends to be sealed and/or be consequently flowed together by using the hot conditions of furnace and weir module.Cause
This, during weir module-furnace separation process, when the disassembly/removal from furnace of weir module (for example, by by chisel or other separation
The physical action carried out is acted, which facilitates the melted material opening of weir module and tearing open for the melted material opening of furnace
Open), these refractory materials are likely to be broken.In some embodiments, the melted material of the melted material opening and furnace of weir module
Therefore each of opening includes being located at the parameatal replaceable refractory material.This makes it possible to selectively more
Change any refractory material being destroyed.
Each weir module is each configured to isolated module, the module of the separation can individually with the weir of furnace mutually to cooperate
Attachment part is attached or dismantles.Therefore each weir module can be formed as the separated structure of interconnection material.In some embodiments,
This can be realized and forming weir module by the interconnection structure of refractory material, constructive elements and supporting member.Structural structure
Part may include one or more frames, one or more support constructions or the like.For example, constructive elements may include to
A few metal structure, preferably steel construction.Steel construction preferably includes outer steel shell, such as cylinder-shaped outer steel shell.
It should be understood that weir cooling surface plate can form the integration section of the interconnection structure of weir module.In this kind of implementation
In example, weir cooling surface plate includes the rear structural elements of the support construction of weir module.Preferably, weir cooling surface plate can be attached or
It is otherwise integrated into the outer steel shell structure of weir module.
Weir module of the invention can be used for any smelting furnace appropriate.Smelting furnace appropriate includes electric furnace, top blast submergence
Formula spray gun (TSL) furnace etc..
The second aspect of the present invention provides a kind of smelting furnace, the smelting furnace be combined at least one according to the present invention
The aforementioned weir module of one side.In some embodiments, furnace includes smelting furnace, and more preferably includes top blast immersion spray gun
(TSL) furnace.
Detailed description of the invention
The present invention is described now with reference to each figure in attached drawing, the attached drawing shows specific preferred implementation of the invention
Example, in which:
Fig. 1 is to depict top blast immersion spray gun (TSL) spray with weir module according to an embodiment of the invention
The perspective schematic view of furnace is penetrated, the weir module is attached at around the base portion of reactor.
Fig. 2 provides the shaft side figure of the weir module of the invention separated with the furnace of Fig. 1 and furnace cooling surface plate.
Fig. 3 provides the cross-sectional plan views along the weir module of the present invention obtained of line A-A shown in Fig. 4, the weir
Module is attached to the furnace of Fig. 1.
Fig. 4 provides the side cross-sectional view along the weir module of the present invention obtained of line B-B shown in Fig. 3, described
Weir module is attached to the furnace of Fig. 1.
Specific embodiment
Fig. 1 shows the furnace of top-submerged formula spray gun (TSL) furnace 10, and top-submerged formula spray gun (TSL) furnace includes root
According to weir module 100 of the invention.It should be understood that the purpose merely to illustrate of TSL furnace 10 and be shown and described in hereafter
In detailed description.Weir module 100 with similar structure can comparably be attached to other types of smelting furnace.
Referring initially to Fig. 1, the TSL reactor for being suitable for use in execution (pyrogenic process) smelting operation or furnace 10 are shown, using tool
There is the top blast immersion spray gun (TSL) of TSL spray gun to be sprayed, the TSL reactor or the with good grounds weir module of the invention of stove
100.The cutaway section of furnace 10 is also shown in Fig. 4.Furnace 10 also has the cylinder-shaped base of height to contain liquid-bath 14 (referring to fig. 4)
Portion part 12, liquid-bath include or the top layer with clinker.The base segments 12 of furnace 10 and top 16 usually have outer steel shell 20, steel
Interior of shell is lined with suitable refractory material 22 (Fig. 4).
The operation of such TSL furnace is widely known, and can be sent out in other patent disclosures of the application
Existing, for example, international patent publications No.WO2013000017A, the content of the international patent publications should be understood as being incorporated to this
Using as reference in specification.As will be appreciated, furnace operation includes using the spray gun (not shown) suspended vertically, the spray gun
It is lowered in liquid-bath, oxygen-containing gas and suitable fuel are injected into liquid-bath 14 by the spray gun.
As being best shown in Fig. 4, the melted material generated in furnace 10 is collected as at the bottom of furnace 10 60
Liquid-bath 14.The weir module 100 that the liquid-bath 14 is fluidly coupled to be attached at around the base portion 90 of furnace 10 (in some embodiments, exists
It is two weir modules 100 in applicable situation).Fluidly connecting in channel or pipeline 110 between weir module 100 and liquid-bath 14
Form, the channel or pipeline pass through the formation of refractory material 22 of furnace wall 94.
The structure of weir module 100 is best shown in Fig. 2 into Fig. 4, these figures provide a reality according to the present invention
Apply the shaft side figure and two section views of the weir module 100 for being releasably attached to TSL furnace 10 of example.Again, should
Understand, weir module 100 with similar structure can also be attached to other types of smelting furnace, and TSL furnace 10 is merely for explaining
It states purpose and shows.
With reference first to furnace 10, it can be seen that furnace wall 94 include weir attachment part 120 (it includes furnace cooling surface plate 122, Fig. 2,
3 exist with the melted material channel 110 (Fig. 2 and 4) and building 4), by the refractory material 124 of one or more mutually cooperations formed
Around furnace cooling surface plate 122 and it is configured to accommodate the weir attachment frame 125 (Fig. 3) of the furnace cooling surface plate.Melted material channel
Refractory material 124 around 110 forms and extends through the corresponding opening in the metal shell of furnace 10 and is located at furnace cooling
Corresponding opening in panel 122.
Furnace cooling surface plate 122 includes the material block that there is the weir attachment side 122A of plane and curved furnace to abut side 122B,
Curved furnace abuts side structure into the outer bend for following stove outer covering 20.Furnace cooling surface plate 122 is assembled to the section of stove outer covering 20
In (section).The refractory lining 22 of furnace 10 is against furnace cooling surface plate 122.Furnace cooling surface plate 122 is usually by copper or other thermally conductive
Metal is formed, and furnace cooling surface plate 122 is configured to the melted material interconnecting piece 110A and 110B between weir module 100 and furnace 10
The selection region of locating and around the interconnecting piece, close cooling surface plate 122 is cooled down.Furnace cooling surface plate 122 can lead to
It crosses various modes and cools down.In the illustrated embodiment, cooling fluid (such as water) is by using extending through furnace cooling surface plate
A series of 122 cooling pipes cool down the furnace cooling surface plate 122.Support lintel 123 from stove outer covering 20 extend, with support and
Place the base portion of furnace cooling surface plate 122.
Weir attachment frame 125 includes at every side of furnace cooling surface plate 122 from the outwardly extending steel soldering frame of stove outer covering 20
Frame.Weir attachment frame 125 provides the conjunction plane 125A of plane, and corresponding furnace attachment frame 135 can be resisted against conjunction plane 125A
Above and using the fastener (such as bolt or the like) mutually to cooperate it is attached on the conjunction plane.In addition, furnace 10 includes solid
Determine to the structure for mounting platform 150 on the shell 20 of furnace 10, in use, weir module 100 is placed in the structure for mounting platform
On.As shown in figs. 2 and 4, structure for mounting platform 150 includes two guide rail 150A and 150B spaced apart, the base of weir module 100
Portion is placed on the guide rail.Guide rail 150A and 150B provide support to weir module 100 from below, to allow weir module 100 to hold
It changes places the lateral position for moving into and removing furnace 10/be attached to furnace.Such design can be helped when reinstalling weir module 100
Helping ensures correctly vertically oriented weir module 100 (relative to furnace 10).
The weir module 100 shown includes the weir of underflow type.In this arrangement, the melted material channel of connection
110 include underflow channel, the underflow channel be connected to the correspondence underflow at the base portion of furnace 10 opening, with allow metal,
Matte and clinker are flowed into weir module 100.Although being not shown, but it is to be understood that the present invention may be configured to overflow weir.
The weir module 100 shown includes the separated structure isolated with furnace 10.In this way, weir module 100 includes that structure separation is single
Member, the structure separative unit can be releasably engaged at least one weir attachment of furnace 10 by furnace bonding part 130
Part 120.Furnace bonding part 130 have the construction complementary with the weir attachment part 120 of furnace 10, including weir cooling surface plate 132, lead to
Melted material channel 110, the building for crossing the formation of refractory material 134 of one or more mutually cooperations in weir module 100 are cold in furnace
But around panel 122 and be configured to accommodate furnace cooling surface plate furnace attachment frame 135 (Fig. 3).Around melted material channel 110
Refractory material 134 formed and extend through the corresponding opening in weir cooling surface plate 132.
Weir cooling surface plate 132 includes the material block that there is the surface attachment side 132A of plane and curved weir to abut side 132B
(for example, with reference to Fig. 3), curved weir abut the crooked inner surface that side structure is shaped to weir, and refractory material 144 can be laid on this
On crooked inner surface.Weir cooling surface plate 132 is usually formed by copper or other heat-conducting metals, is configured to cooling positioned at weir module
At melted material interconnecting piece 110A and 110B between 100 and furnace 10 and around the interconnecting piece, close weir cooling surface plate
132 selection area.Weir cooling surface plate 132 can cool down by various modes.In the illustrated embodiment, cooling fluid (example
Such as water) for by cooling down weir cooling surface plate 132 using a series of cooling pipes for extending through weir cooling surface plate 132.It is cold
But the region ensures that the protective coating of clinker and metal is formed on refractory material, to reduce refractory material in this region
Since melted material flows through melted material channel 110A and 110B and caused by the flowing of melted material channel circumference
Abrasion.
Furnace attachment frame 135 includes steel frame/supporting structure, and the steel frame/supporting structure is connected to weir module 10
The outer periphery of outer steel shell 141 and the extension at every side of weir cooling surface plate 132.Furnace attachment frame 135, which provides, mutually to cooperate
Plane conjunction plane 135A, corresponding weir attachment frame 125 can be connected on the conjunction plane and logical by using insertion
It crosses the fastener (for example, bolt or the like) of connecting hole 135B mutually to cooperate and is attached on the conjunction plane.Furnace is attached frame
What the corresponding weir attachment frame 125 that frame 135 is attached to furnace 10 prevented weir module 100 may cause the only of refractory damage
Vertical movement.
Each weir module 100 is configured to isolated structure/module, which can be separately attached to furnace 10
The weir attachment part 120 of phase cooperation is dismantled from the weir attachment part.The weir module 100 shown includes defining base portion
136, the outer steel shell 141 of the general cylindrical shape of side 138 and top structure 140.Weir cooling surface plate 132 forms weir module 100
A part of structural rear side 142.144 are laid in this configuration on the inside of fire resisting, are flowed with the liquid-bath 14 accommodated from furnace 10
Melted material.Copper discharge outlet type of tamper evidence or valve 148 are included in the front side 138A of weir module 100, are enabled to from weir mould
The inside of block 100 removes melted material.Melted material underflow discharge tube 150 is formed in the front side 142A of weir module 100
Between refractory material 144, which is linked to the internal flow of weir module 100 discharge outlet blocking
Part/valve 148.It is provided with overflow spout 151, melted material is usually removed from 100 module of weir in overflow nozzle.
Releasable attachment between furnace 10 and weir module 100 is by being formed in weir cooling surface plate 132 and furnace cooling surface plate
The connected structure mutually to cooperate around 122 and provide.In this regard, the isolated cooling surface in weir module 100 and furnace 10
Plate 122,132 forms tie point between the structure of weir module 100 and the separated structure of furnace 10.
Firstly, weir cooling surface plate 132 and furnace cooling surface plate 122 have complementary construction, the construction of the complementation includes mutually assisting
The engagement surface of work, which abuts substantially when weir module 100 is attached to furnace 10, so as to supplement heat rejecter face
Abutting engagement between plate 122,132.
Secondly, the attachment mutually to cooperate between each weir module 100 and furnace 10 can use any arrangement appropriate
Form.In some embodiments, two structure abutting engagements.However, being attached as shown in the illustrated embodiment on weir
When to furnace, each structure is preferably physically combined or is interconnected.The construction of this cooperation is provided by two main tie points:
Firstly, as previously noted, furnace attachment frame 135 is by using fastener (for example, by being attached frame on weir
The appropriate positioning abutted in conjunction plane 125A, 135A and coaxial hole in each of frame 125 and furnace attachment frame 135
A series of cooperation nuts and bolts spaced apart) it is attached in the correspondence weir attachment frame 125 of furnace.It is to be understood, however, that
Other fastenings and/or clamping device can also comparably be used.
Secondly, furnace includes structure for mounting platform 150, structure for mounting platform is fixed to furnace 10 or fixes in other ways
Ground is positioned adjacent to furnace 10 or around furnace, and in use, weir module 100 is placed on structure for mounting platform.Stage+module
Structure 150 includes two guide rail 150A and 150B spaced apart, and the guide rail enables to weir module 100 relative to the side of furnace 10
Portion laterally moves, so that weir module 100 is laterally attached to furnace 10 (mobile towards furnace) or is laterally dismantled from furnace 10
(mobile far from furnace) weir module 100.Although being not shown, in some embodiments, the base portion of weir module 100 may include folder
Tool, roller or the like, when expectation makes weir module 100 and furnace 10 is attached or dismantles, the fixture, roller or the like make weir mould
Block 100 can laterally be moved towards the side of furnace 10 and the side of separate furnace.
It is preferred that forming fluid between the melted material channel 110B of weir module 100 and the melted material channel 110A of furnace 10
Sealing.Preferably, the melted material channel 110B of weir module 100 have cooperate with the melted material channel 110A phase of furnace 10 and
Complementary construction, this facilitates the Fluid Sealing between them.For example, two melted material channels 110A, 110B can be constructed
At with interface, step or other sealing cooperations, wherein the opening of melted material channel 110A, a 110B are configured to fill
It fits in the opening of another melted material channel 110A, 110B or around opening.In some embodiments, can be used mortar or
Other sealants, with the Fluid Sealing between auxiliary molten material passage.In addition, positioned at melted material channel 110A, 100B
The parameatal refractory material of melted material is configured to replaceable refractory material.This allows any selectively replacement damage
Refractory material.
Therefore, weir module 100 can be with the above-mentioned attachment structure around furnace cooling surface plate 122 and weir cooling surface plate 132
And furnace 10 is releasedly attached and dismantles.This weir module 100 may be located remotely from 10 ground of furnace to be examined and repair, and if needs
If wanting, the weir module 100 to be attached to furnace 10 is replaced, so that furnace 10 can be operated by investment again.
The weir module 100 shown is also used as replaceable module, makes it possible to:
It is relatively easy and rapidly remove weir, to allow the weir examination and maintenance behavior of off line；
Installation and replacement weir module, in order to avoid need to shut down entire furnace and maximize the operating time；
Can easily remove/weir is replaced, the fireproof construction without destroying furnace；
If weir module of the invention needs replacing, can rapidly be replaced compared with traditional weir construction, therefore
Downtime is reduced compared with traditional weir construction；And
In several smelting furnaces design (including TSL furnace), permitted using the chance that module replacing existing copper bar in weir puts block
Perhaps increase output (at a certain moment in future), without significantly being modified furnace design.
Top blast immersion spray gun (TSL) injection is found in have in smelting process and be widely applied, therefore it brings it
The advantage of its smelting operation.There is provided in the present invention further increase TSL technology improve present practice efficiency,
And the advantage in terms of the application range (such as in operating flexibility in scale processing) for increasing the technology.
It will be appreciated by those skilled in the art that being easy to carry out invention described herein the content in addition to specific descriptions
Except modification and improvement.It should be understood that the present invention includes all such changes fallen within the spirit and scope of the present invention
Shape and improvement.
Using the terms "include", "comprise", " by comprising " or when " containing " in this specification (including claims),
They are interpreted to specifically illustrate feature, integer, step or the component in the presence of statement, but do not exclude the presence of one or more
Other feature, integer, step, component or the group being made of it.
Claims (20)
1. a kind of combination of smelting furnace (10) and weir module (100), the weir module is for being releasably attached to smelting furnace
(10), wherein the smelting furnace (10) includes at least one weir attachment part (120), which is characterized in that
The weir module (100) includes the separated structure that can be releasably attached to smelting furnace (10),
The weir module (100) includes at least one furnace bonding part (130), at least one described furnace bonding part can release
It is bonded at least one weir attachment part (120) of the smelting furnace (10) with putting,
The furnace bonding part (130) of each weir module (100) includes at least one weir cooling surface plate (132), it is described at least one
Weir cooling surface plate is configured among the cooling interconnecting piece between weir module (100) and smelting furnace (10) and the interconnecting piece
The selection region of surrounding,
Each weir attachment part (120) of smelting furnace (10) includes furnace cooling surface plate (122), and the furnace cooling surface plate has and association
The construction of weir cooling surface plate (132) complementation of work, and in use, the furnace cooling surface plate is configured to and weir cooling surface plate
(132) Xiang Xiezuo, so as among the cooling interconnecting piece between weir module (100) and smelting furnace (10) and the interconnecting piece
The selection region of surrounding, and
Weir cooling surface plate (132) and furnace cooling surface plate (122) have complementary construction.
2. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein the weir of each cooperation is cooling
Panel (132) and furnace cooling surface plate (122) are configured to be releasably engaged in use, so as to collaboratively by weir module
(100) smelting furnace (10) are attached to.
3. the combination of smelting furnace (10) and weir module (100) according to claim 1 or 2, wherein furnace bonding part
(130) and each of weir attachment part (120) includes being located at corresponding weir cooling surface plate (132) and furnace cooling surface plate
(122) attachment structure of the attachment structure mutually to cooperate on or around, the phase cooperation facilitates smelting furnace (10) and weir mould
Block is releasedly attached between (100).
4. the combination of smelting furnace (10) and weir module (100) according to claim 3, wherein the attachment of the phase cooperation
Structure include mounting bracket, mounting platform, attachment frame, or combinations thereof.
5. the combination of smelting furnace (10) and weir module (100) according to claim 3, wherein the attachment of the phase cooperation
Structure includes that the weir attachment frame (125) extended from smelting furnace (10) is attached with the furnace mutually to cooperate extended from weir module (100)
The furnace attachment frame of frame, the phase cooperation can be releasably attached to weir attachment frame (125).
6. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein the weir of smelting furnace (10) is attached
Socket part point (120) includes mounting structure, and the mounting structure is attached to smelting furnace (10) or is fixedly positioned into neighbouring smelting
Furnace or around smelting furnace, weir module (100) in use is mounted on the mounting structure.
7. the combination of smelting furnace (10) and weir module (100) according to claim 6, wherein mounting structure includes weir mould
Block (100) can place frame, ledge or platform on it.
8. the combination of smelting furnace (10) and weir module (100) according to claim 6 or 7, wherein mounting structure includes moving
Dynamic device, the mobile device allow weir module (100) to move away from smelting furnace (10).
9. the combination of smelting furnace (10) and weir module (100) according to claim 8, wherein the furnace joint portion of weir module
Dividing (130) includes a part of mobile device, and the part of the mobile device mutually cooperates with mounting structure or with other sides
Formula interacts, to help movement of the weir module (100) on mounting structure.
10. the combination of smelting furnace (10) and weir module (100) according to claim 9, wherein furnace bonding part (130)
Including roller or grip device, the roller or grip device mutually cooperate with mounting structure, to help weir module (100) in mounting structure
On movement.
11. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein weir cooling surface plate (132)
It include the engagement surface mutually to cooperate with furnace cooling surface plate (122), phase cooperation when module is attached on smelting furnace (10) on weir
Engagement surface generally abut.
12. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein weir cooling surface plate (132)
Including conductive metal block, the conductive metal block has the plane extended from the rear side of weir module (100).
13. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein furnace bonding part (130)
It is open including melted material, the melted material opening can fluidly seal the melting material mutually to cooperate into smelting furnace (10)
Material opening.
14. the combination of smelting furnace (10) and weir module (100) according to claim 13, wherein weir module (100) melts
Melt material opening have with the melted material of smelting furnace (10) opening mutually cooperation and complementary construction, this facilitates melting for weir module
Melt the Fluid Sealing between material opening and the melted material opening of smelting furnace.
15. the combination of smelting furnace (10) and weir module (100) according to claim 14, wherein weir module (100) melts
Melt material opening be configured to fit into smelting furnace (10) melted material opening among or surrounding.
16. the combination of smelting furnace described in any one of 3 to 15 (10) and weir module (100) according to claim 1, wherein
Each of melted material opening and the melted material opening of smelting furnace (10) of weir module (100) include positioned at described molten
Melt the parameatal replaceable refractory material of material.
17. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein each weir module (100)
It is formed the separated structure of interconnection material.
18. the combination of smelting furnace (10) and weir module (100) according to claim 17, wherein weir cooling surface plate (132)
Form the integration section of the interconnection structure of weir module (100).
19. the combination of smelting furnace (10) and weir module (100) according to claim 1, wherein smelting furnace (10) is top blast
Immersion spray gun (TSL) furnace.
20. the combination of smelting furnace (10) and weir module (100) according to claim 8, wherein the mobile device allows
Weir module (100) is displaced sideways the side far from smelting furnace (10).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2014904057 | 2014-10-10 | ||
| AU2014904057A AU2014904057A0 (en) | 2014-10-10 | Weir module for a pyrometallurgical furnace | |
| PCT/IB2015/057676 WO2016055955A1 (en) | 2014-10-10 | 2015-10-08 | Weir module for a pyrometallurgical furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106796084A CN106796084A (en) | 2017-05-31 |
| CN106796084B true CN106796084B (en) | 2019-04-09 |
Family
ID=54337836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580053933.XA Active CN106796084B (en) | 2014-10-10 | 2015-10-08 | Weir module for smelting furnace |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP3204707B1 (en) |
| JP (1) | JP6420473B2 (en) |
| KR (1) | KR101971380B1 (en) |
| CN (1) | CN106796084B (en) |
| AU (1) | AU2015329588B2 (en) |
| EA (1) | EA032238B1 (en) |
| ES (1) | ES2731280T3 (en) |
| PE (1) | PE20170591A1 (en) |
| PH (1) | PH12017500588B1 (en) |
| PL (1) | PL3204707T3 (en) |
| WO (1) | WO2016055955A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1690748A (en) * | 1926-07-24 | 1928-11-06 | Fredellia H Moyer | Slag and gas eliminator for molten steel |
| US2704248A (en) * | 1949-11-07 | 1955-03-15 | Madaras Corp | Method of separating ferrous metal from its gangue |
| US4444378A (en) * | 1982-08-11 | 1984-04-24 | Reese Thurston F | Apparatus for separating slag from a molten metal |
| CN1097060A (en) * | 1993-06-28 | 1995-01-04 | 工业保养及合约服务公司 | The method and apparatus of control slag |
| JP2013511690A (en) * | 2009-11-18 | 2013-04-04 | エクストラータ テクノロジー プロプライアタリー リミテッド | How to remove slag from a furnace |
| CN103185461A (en) * | 2013-04-09 | 2013-07-03 | 泰州振昌工业废渣综合利用有限责任公司 | External slag notch structure of melting, reduction and modification furnace |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2827126B2 (en) * | 1989-11-25 | 1998-11-18 | 住友重機械工業株式会社 | Method and apparatus for continuously discharging molten metal and slag |
| FR2705768B1 (en) * | 1993-05-27 | 1995-07-21 | Lorraine Laminage | Metallurgical furnace for the smelting of metallic materials and / or the production of liquid metal, such as an electric steelworks furnace, and method of production using such a furnace. |
| AUPQ525500A0 (en) * | 2000-01-25 | 2000-02-17 | Technological Resources Pty Limited | A method of relining a vessel |
| KR100460660B1 (en) * | 2002-12-11 | 2004-12-09 | 주식회사 포스코 | An apparatus for transferring splash cover |
| JP4939395B2 (en) * | 2004-03-17 | 2012-05-23 | テクノロジカル リソーシズ プロプライエタリー リミテッド | Direct smelting plant |
| CA2838855C (en) | 2011-06-30 | 2016-02-02 | Outotec Oyj | Top submerged injecting lances |
| FR2987617B1 (en) * | 2012-03-05 | 2017-03-24 | Saint Gobain Isover | RUFFER WITH REMOVABLE HEAD FOR IMMERSE ENFORCEMENT |
-
2015
- 2015-10-08 EP EP15784163.6A patent/EP3204707B1/en active Active
- 2015-10-08 PL PL15784163T patent/PL3204707T3/en unknown
- 2015-10-08 KR KR1020177009647A patent/KR101971380B1/en active IP Right Grant
- 2015-10-08 ES ES15784163T patent/ES2731280T3/en active Active
- 2015-10-08 WO PCT/IB2015/057676 patent/WO2016055955A1/en active Application Filing
- 2015-10-08 AU AU2015329588A patent/AU2015329588B2/en active Active
- 2015-10-08 PE PE2017000553A patent/PE20170591A1/en not_active Application Discontinuation
- 2015-10-08 CN CN201580053933.XA patent/CN106796084B/en active Active
- 2015-10-08 EA EA201790588A patent/EA032238B1/en not_active IP Right Cessation
- 2015-10-08 JP JP2017518194A patent/JP6420473B2/en active Active
-
2017
- 2017-03-30 PH PH12017500588A patent/PH12017500588B1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1690748A (en) * | 1926-07-24 | 1928-11-06 | Fredellia H Moyer | Slag and gas eliminator for molten steel |
| US2704248A (en) * | 1949-11-07 | 1955-03-15 | Madaras Corp | Method of separating ferrous metal from its gangue |
| US4444378A (en) * | 1982-08-11 | 1984-04-24 | Reese Thurston F | Apparatus for separating slag from a molten metal |
| CN1097060A (en) * | 1993-06-28 | 1995-01-04 | 工业保养及合约服务公司 | The method and apparatus of control slag |
| JP2013511690A (en) * | 2009-11-18 | 2013-04-04 | エクストラータ テクノロジー プロプライアタリー リミテッド | How to remove slag from a furnace |
| CN103185461A (en) * | 2013-04-09 | 2013-07-03 | 泰州振昌工业废渣综合利用有限责任公司 | External slag notch structure of melting, reduction and modification furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2731280T3 (en) | 2019-11-14 |
| WO2016055955A1 (en) | 2016-04-14 |
| EP3204707B1 (en) | 2019-03-27 |
| AU2015329588A1 (en) | 2017-04-27 |
| PH12017500588A1 (en) | 2017-08-30 |
| AU2015329588B2 (en) | 2018-07-26 |
| EA032238B1 (en) | 2019-04-30 |
| JP6420473B2 (en) | 2018-11-07 |
| PL3204707T3 (en) | 2019-09-30 |
| PH12017500588B1 (en) | 2017-08-30 |
| PE20170591A1 (en) | 2017-05-30 |
| KR20170052659A (en) | 2017-05-12 |
| JP2017532522A (en) | 2017-11-02 |
| KR101971380B1 (en) | 2019-04-22 |
| CN106796084A (en) | 2017-05-31 |
| EA201790588A1 (en) | 2017-09-29 |
| EP3204707A1 (en) | 2017-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101186484B1 (en) | Apparatus for injecting solid particulate material into a vessel | |
| BRPI0513815B1 (en) | FOUNDRY EQUIPMENT AND METHOD FOR EXTRACTION AND REMOVAL OF A SOLID INJECTION BOOM FROM A METALLIC VASE | |
| CN102676730A (en) | Converter bottom blowing air brick, special drilling machine and quick thermal replacement method of air brick | |
| JP4350119B2 (en) | Tap hole cooling structure | |
| CN102971438A (en) | Pivoting slag door | |
| CN202066382U (en) | Furnace roof molten steel jacket device of oxygen-enriched side-blowing furnace | |
| CN106796084B (en) | Weir module for smelting furnace | |
| CN101761908B (en) | Exhaust-heat boiler | |
| CN107805679B (en) | A kind of blast-furnace tuyere burn after rapid plugging method | |
| CN202246719U (en) | Iron-smelting blast furnace and iron-opening frame of same | |
| JP6200556B2 (en) | Stave protection device and installation method thereof | |
| CN213090488U (en) | Ou ye stove stave water pipe protection device | |
| CN109883206B (en) | High-speed cooling device for smelting of vacuum consumable furnace | |
| CN2514003Y (en) | Drain pipe water cooling furnace lid for steel-smelting electric furnace | |
| CN201793610U (en) | Novel tapping hole device of electric furnace | |
| CN207127246U (en) | A kind of ferronickel water ingot bar guiding device | |
| CN106086264B (en) | A kind of replaceable cooling column of blast furnace of high-strength wearable eddy flow and its application | |
| CN216245473U (en) | Siphon mouth device of cupola | |
| CN210242433U (en) | Slag discharging device of refined lead smelting furnace | |
| CN218821647U (en) | Coarse copper tapping port refractory brick masonry structure | |
| CN214422676U (en) | Feed opening device in converter waste heat boiler | |
| KR200442413Y1 (en) | Trough cover of blastfurnace tapping hole | |
| CN205133654U (en) | Cold steel can be effectively avoided and converter mouth seal structure that sediment got into is spouted | |
| JP2509907Y2 (en) | Cupola | |
| Gamwegerl | Slide gate systems for copper tapping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tampere Patentee after: Metso ottotai Finland Address before: Tampere Patentee before: Metso Minerals Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230222 Address after: Tampere Patentee after: Metso Minerals Ltd. Address before: Espoo, Finland Patentee before: OUTOTEC (FINLAND) OY |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: Espoo, Finland Patentee after: Meizhuo Metal Co.,Ltd. Guo jiahuodiqu after: Fen Lan Address before: Espoo, Finland Patentee before: Meizhuo Altutai Metal Co.,Ltd. Guo jiahuodiqu before: Fen Lan |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240317 Address after: Espoo, Finland Patentee after: Meizhuo Altutai Metal Co.,Ltd. Guo jiahuodiqu after: Fen Lan Address before: Tampere Patentee before: Metso ottotai Finland Guo jiahuodiqu before: Fen Lan |