CN104647570B - Before a kind of State of Blast Furnace, resistance to material pours mould and pouring procedure - Google Patents
Before a kind of State of Blast Furnace, resistance to material pours mould and pouring procedure Download PDFInfo
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- CN104647570B CN104647570B CN201510070166.5A CN201510070166A CN104647570B CN 104647570 B CN104647570 B CN 104647570B CN 201510070166 A CN201510070166 A CN 201510070166A CN 104647570 B CN104647570 B CN 104647570B
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- mould
- pours
- tap drain
- pour
- small well
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Blast Furnaces (AREA)
Abstract
The present invention relates to BF Technology in Bao Steel field, particularly relate to a kind of novel blast-furnace stokehold refractory material and pour mould and pouring procedure, it is possible to Quick pouring molding also achieves recycling, greatly meets blast fumance demand.The novel blast-furnace stokehold refractory material of the present invention pours model and pouring procedure, designs wedge shape, segmented die, by quick water-cooled and grease lubrication, reach the purpose of Quick pouring, molding and the demoulding, simple to operate, with low cost, similar accidents such as artificially suppressing slag ferrum can be avoided the occurrence of.
Description
Technical field
The present invention relates to BF Technology in Bao Steel field, particularly relate to a kind of novel blast-furnace stokehold refractory material and pour mould
And pouring procedure, it is possible to Quick pouring molding also achieves recycling, greatly meets blast fumance demand.
Background technology
Crude fuel meltings in State of Blast Furnace such as iron ore, sintering deposit, pellet and coke, successively conduct heat, reduce, melt
Changing, ooze the reduction of the series of physical chemical reaction such as charcoal effect and tap a blast furnace, the impurity in iron ore material is formed with the ash in fuel
Blast furnace slag, slag, ferrum liquid are released from ferrum mouth discontinuously, are carried out slag sluicing system process through stokehold iron tap channel.Wherein, stokehold iron tap channel
It is to guide high temperature liquid iron and the passage of slag, undergos molten iron and the high temperature of slag liquid, mechanically and chemically corrode, therefore generally at ditch
Inside pour refractory material as liner.Due to the high temperature of high temperature liquid iron and slag wash away, cold and heat succeed each other, the effect such as chemical erosion,
Stokehold iron tap channel refractory material needs to safeguard in time or again pour as liner.As: the slag skimmer service life in iron tap channel
General 45-50 days, it is desirable to iron runner only slag, slag runner only ferrum, otherwise will repair or again pour.At present, go out before versatible furnace
Iron runner refractory material casting method is to utilize closely-spaced repairing of tapping a blast furnace, large-spacing to pour, and often occurs artificially suppressing the classes such as slag ferrum
Like accident, not only have impact on blast furnace and normally produce, too increase blast fumance cost.
The utility model of Patent No. 201120123124 provides slag iron runner before a kind of State of Blast Furnace, at the ditch of slag iron runner groove
The end and inwall are provided with the protector of high temperature resistant cement cast, protector sidewall progressive additive from top to bottom, improve bank and slag
The resistance to elevated temperatures of iron runner, can extend slag iron runner and the use of bank and maintenance cycle relatively, reduces maintenance and renewal cost；With
The security performance of Shi Tigao slag iron runner, even if slag iron runner occurs leakage, slag leakage ferrum accident also will not make to cause the accident under slag ferrum
Extension.Though such patented technology can increase the service life to a certain extent, but use cost is higher, and can not promote and pour
Working performance, suppresses slag ferrum class technology accident and still cannot fundamentally stop.
Summary of the invention
The invention provides and a kind of can Quick pouring molding the novel blast-furnace stokehold refractory material that reuses pour
Mould and pouring procedure, design wedge shape, segmented die, by quick water-cooled and grease lubrication, reaches Quick pouring, molding and takes off
The purpose of mould, simple to operate, with low cost.
The technical solution used in the present invention is as follows:
Before the State of Blast Furnace of the present invention, resistance to material pours mould, pours mould including the resistance to material of tap drain and matches with described tap drain
The resistance to material of slag skimmer The Small Well pours mould；
The resistance to material of described tap drain pours mould and includes that the tap drain in enclosed construction pours die main body 1, and described tap drain pours mould
Tool main body 1, in wedge structure wide at the top and narrow at the bottom, is connect ferrum mouth section 1-1, tilting section 1-2 and low dip section 1-3 group by be sequentially connected with
Become；
The resistance to material of described tap drain pours mould and also includes, a tap drain pours mould cooling filler 2 and is positioned at tap drain and pours mould
Low dip section 1-3 top, a pair tap drain pours die orientations and supports 3 and be divided into two ends, low dip section 1-3 top, a pair tap drain
Pouring die orientations support bar 4 to insert tap drain respectively and pour die orientations and support in 3, two pairs of tap drains pour mould and promote hanger 5
Be respectively symmetrically be located at low dip section 1-3 pour the top, two sides that die orientations support bar 4 is vertical with tap drain, a tap drain waters
Build mould cooling discharge outlet 6 to be positioned at bottom low dip section 1-3；
Wherein, connecing ferrum mouth section 1-1 described in and be parallel to tap drain pouring the cross section in die orientations support bar 4 direction is camber line semicircle
Arc；Described low dip section 1-3 be parallel to tap drain pour the cross section in die orientations support bar 4 direction be top be bottom inverted trapezoidal
Combined shaped for circular arc；
The resistance to material of described The Small Well pours mould and includes that the The Small Well in enclosed construction pours die main body 7, and a The Small Well pours mould
Cooling filler 8 is positioned at The Small Well and pours die main body 7 top, and a pair The Small Well pours die orientations and support 9 and be divided into The Small Well and pour
Two ends, die main body 7 top, a pair The Small Well pours die orientations support bar 10 and inserts The Small Well respectively and pour die orientations and support 9
In, a pair The Small Well pours mould and promotes hanger 11 and be symmetrically set in The Small Well and pour pouring die orientations with The Small Well and propping up of die main body 7
The top, two sides that strut 10 is vertical, a The Small Well pours mould cooling discharge outlet 12 and is positioned at The Small Well and pours bottom die main body 7；
It is wide at the top and narrow at the bottom to truncated rectangular pyramids shape that the resistance to material of described The Small Well pours mould.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, described in connect ferrum mouth section 1-1 and be parallel to tap drain to pour mould fixed
Arc radius to the cross section in support bar 4 direction=this section tap drain design width × 1/3-10mm is (parallel at tilting section
The cross sectional shape pouring die orientations support bar 4 direction in tap drain is fixed, and size dimension is being continually changing, as it is shown in figure 1, close
BB face is deep and wide, shallow and little near DD face)；Described low dip section 1-3 is parallel to tap drain and pours die orientations support bar 4 direction
The radius of the circular arc in cross section=tap drain design width × (being parallel to tap drain in low dip section, to pour mould fixed for 1/4 ± 10mm
Cross sectional shape to support bar 4 direction is fixed, and furrow width is basically unchanged, and ditch depth change is the least, and 1000 cubes of levels of empirical data are high
Stove tap drain bottom surface gradient 1%-3%).
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, described in connect ferrum mouth section 1-1, tilting section 1-2 and low dip section
The top margin of 1-3 is in same level, wherein, described in connect ferrum mouth section (1-1) length=blast furnace main channel and connect ferrum mouth segment length, tilt
Section (1-2) length=blast furnace main channel tilting section design length, the design of low dip section (1-3) a length of blast furnace main channel low dip section is long
(1-1/4)-20mm of degree；Described tap drain pours each section of design height+10mm of each section of height=blast furnace main channel of mould.Described
The size of blast furnace main channel, the inside dimension of the most former blast furnace main channel containing refractory material.According to material resistance to before the State of Blast Furnace of the present invention
Pouring mould, described low dip section 1-3 end face is rectangle；Described tilting section 1-2 end face is isosceles trapezoid；Described connect ferrum mouth section
The end face of 1-1 is rectangle or square.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, pour die orientations support bar 4 direction being perpendicular to tap drain
Cross section on, described in connect ferrum mouth section 1-1 be rectangle or square, described tilting section 1-2 is the most trapezoidal, described low dip section
1-3 is the most trapezoidal, and the oblique waist gradient of low dip section 1-3 is 1%-3%；Described connect the top margin of ferrum mouth section 1-1, described tilting section
The right-angle side of 1-2 and the right-angle side of described low dip section 1-3 are on the same line；The base of described tilting section 1-2 is micro-with described
The base coincident of tilting section 1-3.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, if the tap drain of required pouring fireproof material is long, can make
Pour mold sections with above-mentioned tap drain to pour into a mould；Preferably can also be sequentially connected by some low dip sections 1-3 to be formed and micro-incline
Tiltedly section group, once-cast refractory material.Each low dip section 1-3 oblique waist gradient is also required to meet 1%-3%.Height according to the present invention
The resistance to material in stove stokehold pours mould, and the resistance to material of described The Small Well pours the height+100mm of the height=The Small Well design of mould, the end face length of side=little
The end face length of side of well design, the bottom surface length of side of the bottom surface length of side=The Small Well design.The size of described The Small Well design, the most former containing fire-resistant
The inside dimension of the The Small Well of material.
Pouring mould according to material resistance to before the State of Blast Furnace of the present invention, described tap drain pours mould cooling filler 2 and is positioned at tap drain
Pouring center, die main body 1 top, tap drain pours mould cooling two ends, filler 2 and pours die orientations support bar 4 with tap drain
Apart from identical；Described tap drain pour mould cooling discharge outlet 6 be positioned at tap drain pour bottom die main body 1 hit exactly, pour with tap drain
The mould cooling corresponding setting in filler 2.
Pouring mould according to material resistance to before the State of Blast Furnace of the present invention, described The Small Well pours mould cooling filler 8 and is positioned at The Small Well
Pouring center, die main body 7 top, The Small Well pours mould cooling two ends, filler 8 and pours die orientations support bar 10 with The Small Well
Apart from identical；Described The Small Well pour mould cooling discharge outlet 12 be positioned at The Small Well pour bottom die main body 7 hit exactly, pour with The Small Well
The mould cooling corresponding setting in filler 8.
Tap drain casting moulds of the present invention and The Small Well pour that the global shape of mould is internal with blast furnace main channel respectively and The Small Well
Internal corresponding coupling.Described design length, design width and design height etc. each mean and contain inside blast furnace main channel or The Small Well
The length of refractory material, width and height etc..
The present invention provides, and pours the pouring procedure of mould based on refractory material before above-mentioned State of Blast Furnace, comprises the following steps:
1) the resistance to material of iron tap channel tap drain before cast State of Blast Furnace
1-1) location: cleaning stokehold iron tap channel tap drain, pours the hanging hook of driving and tap drain mould and promotes hanger 5 admittedly
Knot, tap drain is poured mould and puts into the tap drain center of correspondence by startup driving, and two tap drains pour die orientations support bar 4 points
Chuan Guo not pour die orientations support 3 by tap drain, put down tap drain and pour mould, make two tap drains pour die orientations support bar 4 water
The flat bank both sides being fixed on iron tap channel tap drain, and then realize mould and be accurately positioned；
1-2) cast: pour mould and space, iron tap channel tap drain both sides from tap drain, by semi liquid state fire proofed wood good for pretreatment
Material injects；
1-3) the demoulding: after refractory material molding, pours the tap drain on the upside of mould from iron tap channel tap drain and pours mould cooling
Cooling water is injected in filler 2, makes mould and refractory lining sharp separation；From tap drain pour outside mould with in refractory material
Gap between lining is injected and is reclaimed waste oil, promotes hanging, fast demoulding；
2) the iron tap channel resistance to material of slag skimmer The Small Well before cast State of Blast Furnace
2-1) location: cleaning stokehold goes out slag skimmer The Small Well, pours mould by the hanging hook of driving and The Small Well and promotes hanger 11
Consolidation, The Small Well is poured mould and puts into the The Small Well center of correspondence by startup driving, and two The Small Wells pour die orientations support bar
10 are each passed through The Small Well pours die orientations support 9, puts down The Small Well and pours mould, makes two The Small Wells pour die orientations support bar
10 both sides, well being horizontally fixed on iron tap channel slag skimmer The Small Well, and then realize mould and be accurately positioned；
2-2) cast: pour mould and space, iron tap channel slag skimmer The Small Well both sides, the semi liquid state good by pretreatment from The Small Well
Refractory material injects；
2-3) the demoulding: after refractory material molding, the The Small Well poured on the upside of mould from iron tap channel slag skimmer The Small Well pours mould
Cooling water is injected in tool cooling filler 8, makes mould and refractory lining sharp separation；Pour outside mould with fire-resistant from The Small Well
Gap between material liner is injected and is reclaimed waste oil, promotes hanging, fast demoulding.
The invention have the advantage that
1, prefabricated mould, can reuse, be substantially reduced material cost；
2, same set of mould can used with vertical level blast furnace, there is dissemination；
3, traditional moulds makes once needs 24-36 hour, and this mould can come into operation whenever and wherever possible, is greatly saved standard
The standby time, improve production efficiency；
4, in casting process, it is succinct convenient to lift and install, workable；
5, unify mold to use, it is to avoid the error in traditional moulds manufacturing process, it is achieved repeatedly pour the unification of size
Change, standardize and standardization；Avoid the occurrence of similar accidents such as artificially suppressing slag ferrum.
Accompanying drawing explanation
Fig. 1 is that the resistance to material of tap drain of the present invention pours mode host visual pattern.
Fig. 2 is that the resistance to material of tap drain of the present invention pours mould top view.
Fig. 3 is the A end-view of Fig. 1 of the present invention.
Fig. 4 is the C end-view of Fig. 1 of the present invention.
Fig. 5 is the section B-B view of Fig. 1 of the present invention.
Fig. 6 is the D-D cross sectional view of Fig. 1 of the present invention.
Fig. 7 is that the The Small Well of the present invention pours mould top view.
Fig. 8 is the E end-view of Fig. 7 of the present invention.
Fig. 9 is the F end-view of Fig. 7 of the present invention.
Reference
1, tap drain pours die main body
1-1, connect ferrum mouth section 1-2, tilting section 1-3, low dip section
2, tap drain pours mould cooling filler 3, tap drain pours die orientations and supports
4, tap drain pours die orientations support bar 5, tap drain pours mould and promotes hanger
6, tap drain pours mould cooling discharge outlet 7, The Small Well pours die main body
8, The Small Well pours mould cooling filler 9, The Small Well pours die orientations and supports
10, The Small Well pours die orientations support bar 11, The Small Well pours mould and promotes hanger
12, The Small Well pours mould cooling discharge outlet
Detailed description of the invention
Describe the present invention with detailed description of the invention below:
As shown in figs 1-9, before the State of Blast Furnace of the present invention, resistance to material pours mould, pours mould and with described including the resistance to material of tap drain
The resistance to material of slag skimmer The Small Well that tap drain matches pours mould；
As shown in Figure 1-2, the resistance to material of described tap drain pours mould and includes that the tap drain in enclosed construction pours die main body 1, institute
State tap drain and pour die main body 1 in wedge structure wide at the top and narrow at the bottom, be sequentially connected with meet ferrum mouth section 1-1, tilting section 1-2 and micro-
Tilting section 1-3 forms；
The resistance to material of described tap drain pours mould and also includes, a tap drain pours mould cooling filler 2 and is positioned at tap drain and pours mould
Low dip section 1-3 top, a pair tap drain pours die orientations and supports 3 and be divided into two ends, low dip section 1-3 top, a pair tap drain
Pouring die orientations support bar 4 to insert tap drain respectively and pour die orientations and support in 3, two pairs of tap drains pour mould and promote hanger 5
Be respectively symmetrically be located at low dip section 1-3 pour the top, two sides that die orientations support bar 4 is vertical with tap drain, a tap drain waters
Build mould cooling discharge outlet 6 to be positioned at bottom low dip section 1-3；
Wherein, connecing ferrum mouth section 1-1 described in and be parallel to tap drain pouring the cross section in die orientations support bar 4 direction is camber line semicircle
Arc (Fig. 4,6)；It is that top is for falling that described low dip section 1-3 be parallel to tap drain to pour the cross section in die orientations support bar 4 direction
Trapezium base is the combined shaped (Fig. 3,5) of circular arc；
As Figure 7-9, the resistance to material of described The Small Well pours mould and includes that the The Small Well in enclosed construction pours die main body 7, and one
The Small Well pours mould cooling filler 8 and is positioned at The Small Well and pours die main body 7 top, and a pair The Small Well pours die orientations and support 9 points
Being located at The Small Well and pour two ends, die main body 7 top, a pair The Small Well pours die orientations support bar 10 and inserts The Small Well respectively and pour mould
In tool directional support 9, a pair The Small Well pours mould and promotes hanger 11 and be symmetrically set in The Small Well and pour watering with The Small Well of die main body 7
Building the top, two sides that die orientations support bar 10 is vertical, a The Small Well pours mould cooling discharge outlet 12 and is positioned at The Small Well and pours mould
Bottom main body 7；
It is wide at the top and narrow at the bottom to truncated rectangular pyramids shape that the resistance to material of described The Small Well pours mould.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, described in connect ferrum mouth section 1-1 and be parallel to tap drain to pour mould fixed
Arc radius to the cross section in support bar 4 direction=this section normal tap drain design width × 1/3-10mm is (at tilting section
Being parallel to tap drain pour the cross sectional shape in die orientations support bar 4 direction and fix, size dimension is being continually changing, as it is shown in figure 1,
Deep and wide near BB face, shallow and little near DD face)；Described low dip section 1-3 is parallel to tap drain and pours die orientations support bar 4 side
To cross section circular arc radius=normal tap drain design width × 1/4 ± 10mm (is parallel to tap drain in low dip section water
The cross sectional shape building die orientations support bar 4 direction is fixed, and furrow width is basically unchanged, and ditch depth change is the least, empirical data 1000
Cube level blast furnace main channel bottom surface gradient 1%-3%).
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, described in connect ferrum mouth section 1-1, tilting section 1-2 and low dip section
The top margin of 1-3 in same level, described in connect ferrum mouth section (1-1) length=blast furnace main channel and meet ferrum mouth segment length, tilting section (1-
2) length=blast furnace main channel tilting section design length, low dip section (1-3) a length of blast furnace main channel low dip section design length
(1-1/4)-20mm, general control is at 2-3m；Described tap drain pours each section of design height of each section of height=blast furnace main channel of mould
+10mm.The size of described blast furnace main channel, the inside dimension of the most former blast furnace main channel containing refractory material.(described tap drain pours mould
Tool width and blast furnace main channel design width coincide, typically (the blast furnace heat size when finding tap drain uneven wear beyond permission attrition value
The biggest tap drain is the widest, and working lining, permanent layer are different, it is allowed to attrition value is the most different, typically takes 450-550mm), need to group as early as possible
Knit and pour repairing；The biggest tap drain of blast furnace heat size is the longest, typically at 7-19m, to reduce flow velocity, improves slag sluicing system effect, needs
Determine according to needs of production design.Limited in view of blast furnace operation platform space, general physical length controls at 2-3 rice left
Right).
Pouring mould according to material resistance to before the State of Blast Furnace of the present invention, described low dip section 1-3 end face is rectangle；Described inclination
Section 1-2 end face is isosceles trapezoid；The described end face connecing ferrum mouth section 1-1 is rectangle or square.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, pour die orientations support bar 4 direction being perpendicular to tap drain
Cross section on, described in connect ferrum mouth section 1-1 be rectangle or square, described tilting section 1-2 is the most trapezoidal, described low dip section
1-3 is the most trapezoidal, and the oblique waist gradient of low dip section 1-3 is 1%-3%；Described connect the top margin of ferrum mouth section 1-1, described tilting section
The right-angle side of 1-2 and the right-angle side of described low dip section 1-3 are on the same line；The base of described tilting section 1-2 is micro-with described
The base coincident of tilting section 1-3.
Pour mould according to material resistance to before the State of Blast Furnace of the present invention, if the tap drain of required pouring fireproof material is long, can make
Pour mold sections with above-mentioned tap drain to pour into a mould；Preferably can also be sequentially connected by some low dip sections 1-3 to be formed and micro-incline
Tiltedly section group, once-cast refractory material.Each low dip section 1-3 oblique waist gradient is also required to meet 1%-3%.Height according to the present invention
The resistance to material in stove stokehold pours mould, and the resistance to material of described The Small Well pours the height+100mm of mould=The Small Well design, and the end face length of side=The Small Well sets
The end face length of side of meter, the bottom surface length of side of the bottom surface length of side=The Small Well design.The size of described The Small Well design, the most former containing refractory material
The inside dimension of The Small Well.(general blast furnace heat size is the biggest, and The Small Well size is the biggest, needs to determine according to needs of production design.
Typically when finding The Small Well periphery one side abrasion 150-200mm, need to organize as early as possible and pour repairing.Knowhow value is maximum allowable
Well height abrasion 250-300mm, because actual periphery wear weares and teares less than well height, therefore practical operation with well height abrasion 50-60mm is
Pour standard).
Pouring mould according to material resistance to before the State of Blast Furnace of the present invention, described tap drain pours mould cooling filler 2 and is positioned at tap drain
Pouring center, die main body 1 top, tap drain pours mould cooling two ends, filler 2 and pours die orientations support bar 4 with tap drain
Apart from identical；Described tap drain pour mould cooling discharge outlet 6 be positioned at tap drain pour bottom die main body 1 hit exactly, pour with tap drain
The mould cooling corresponding setting in filler 2.
Pouring mould according to material resistance to before the State of Blast Furnace of the present invention, described The Small Well pours mould cooling filler 8 and is positioned at The Small Well
Pouring center, die main body 7 top, The Small Well pours mould cooling two ends, filler 8 and pours die orientations support bar 10 with The Small Well
Apart from identical；Described The Small Well pour mould cooling discharge outlet 12 be positioned at The Small Well pour bottom die main body 7 hit exactly, pour with The Small Well
The mould cooling corresponding setting in filler 8.
The offer of the present invention, pour the pouring procedure of mould based on refractory material before above-mentioned State of Blast Furnace, including following step
Rapid:
1) the resistance to material of iron tap channel tap drain before cast State of Blast Furnace
1-1) location: cleaning stokehold iron tap channel tap drain, pours the hanging hook of driving and tap drain mould and promotes hanger 5 admittedly
Knot, starts driving and tap drain pours mould puts into the tap drain center of correspondence (corresponding tap drain position, in actual field operation
General direction will not be mistaken, but because the abrasion of tap drain inwall resistance to material is in irregular shape, typically reaches 50-in the abrasion of inwall resistance to material
During 100mm, can determine whether to pour for needs repairing, installation need to keep mould to cross conference at tap drain relative to center, alignment error
Have a strong impact on pouring quality；And mould heaviness needs lifting, therefore ground staff is needed to command so that it is left and right, end to end installation are basic
Coincide on-the-spot tap drain position, is generally kept in two side molds equidistant with tap drain inwall, estimates error 5mm), two tap drains pour
Die orientations support bar 4 is each passed through tap drain and pours die orientations support 3, puts down tap drain and pours mould, makes two tap drains pour
Die orientations support bar 4 is horizontally fixed on the bank both sides of iron tap channel tap drain, and then realizes mould and be accurately positioned；
1-2) cast: pour mould and space, iron tap channel tap drain both sides from tap drain, by semi liquid state fire proofed wood good for pretreatment
Material injects；
1-3) the demoulding: after refractory material molding, pours the tap drain on the upside of mould from iron tap channel tap drain and pours mould cooling
Cooling water is injected in filler 2, makes mould and refractory lining sharp separation；From tap drain pour outside mould with in refractory material
Gap between lining is injected and is reclaimed waste oil, promotes hanging, fast demoulding；
2) the iron tap channel resistance to material of slag skimmer The Small Well before cast State of Blast Furnace
2-1) location: cleaning stokehold goes out slag skimmer The Small Well, pours mould by the hanging hook of driving and The Small Well and promotes hanger 11
Consolidation, The Small Well is poured mould and puts into The Small Well center (corresponding tap drain and the position slipping between iron runner of correspondence by startup driving
Putting, obvious because of resemblance in actual field operation, general direction will not be mistaken, but alignment error is crossed conference and had a strong impact on and pour
Quality；And mould heaviness needs lifting, therefore ground staff is needed to command so that it is the basic on-the-spot skimming that coincide in left and right, end to end installation
Device position, is typically also and is maintained at two side molds with slag skimmer inwall equidistantly, estimate error 5mm), two The Small Wells pour mould
Directional support bar 10 is each passed through The Small Well and pours die orientations support 9, puts down The Small Well and pours mould, makes two The Small Wells pour mould
Directional support bar 10 is horizontally fixed on the both sides, well of iron tap channel slag skimmer The Small Well, and then realizes mould and be accurately positioned；
2-2) cast: pour mould and space, iron tap channel slag skimmer The Small Well both sides, the semi liquid state good by pretreatment from The Small Well
Refractory material injects；
2-3) the demoulding: after refractory material molding, the The Small Well poured on the upside of mould from iron tap channel slag skimmer The Small Well pours mould
Cooling water is injected in tool cooling filler 8, makes mould and refractory lining sharp separation；Pour outside mould with fire-resistant from The Small Well
Gap between material liner is injected and is reclaimed waste oil, promotes hanging, fast demoulding.
Embodiment 1
With Laiwu branch company iron-smelter 5#1080m3As a example by before State of Blast Furnace, refractory material pours model, further in conjunction with accompanying drawing
The detailed description of the invention of the present invention is described.
With Laiwu branch company iron-smelter 5#1080m3As a example by before State of Blast Furnace, refractory material pours model, stokehold tap drain mould is long
4.3m, low dip section 2.9 meters, tilting section 0.8 meter, connects ferrum mouth section 0.6 meter, further illustrates the concrete real of the present invention in conjunction with accompanying drawing
Execute mode.
" wedge shape, segmentation " principle, the design stokehold iron tap channel resistance to material of series is used to pour mould.Use δ=8mm Plate Welding
Make the resistance to material of tap drain pour mould (low dip section size length 2.9 meters, sectional dimension by A to and section B-B size determine；Tilt
Section size length 0.8 meter, sectional dimension is determined by B-B and D-D sectional dimension: meeting ferrum mouth segment length 0.6 meter, sectional dimension is cut by D-D
Face and C determine to size.A to: trapezoidal wide 1 meter × high 0.88 meter, 0.2 meter × radius of camber 0.25 meter, section B-B: trapezoidal
Upper wide 1 meter × high 0.929 meter, 0.18 meter × radius of camber 0.25 meter)；C to: trapezoidal wide 0.64 meter × high 0.20 meter, camber
0.22 meter × radius 0.25 meter；D-D cross section with C to: trapezoidal wide 0.64 meter × high 0.22 meter, 0.22 meter × radius of camber 0.25
Rice.The resistance to material of The Small Well pours mould (upper surface 0.56 meter × 0.4 meter, 0.56 meter-bottom surface × 0.4 meter) × high 1.1 meters, and tap drain pours
Opening cooling nozzle (it is long that length is approximately equal to 0.5* mould, wide approximately equal to 1/8* mould width) at mould upper center axle, The Small Well pours
Cooling nozzle (it is long that length is approximately equal to 0.5* mould, wide approximately equal to 1/5* mould width) is opened, on the downside of mould at mould upper center axle
Cooling discharge outlet is opened in central shaft center；Two groups of directional supports are welded in the axial appropriate position of mould upper vertical, use long near
The approximately equal to channel-section steel of mould upper section width 3 times makees two directional support bars；The welding of mould upper center axle appropriate position carries
Rise hanger, in order to driving hanging operation.
Casting method (tap drain and The Small Well pour mould can be adjusted according to concrete practical situation):
The first step: location.Clear up stokehold iron tap channel, traveling crane hook (is confirmed hanging balance system, work with die ear consolidation
Industry safety) after, starting driving and corresponding mould slowly, is accurately put into appointment position, two directional support bars are each passed through two groups
Directional support, places the waste refractory bricks of suitably height under directional support bar both sides according to practical situation, makes two orientations
Strut is horizontally fixed on the bank both sides at iron tap channel, and then realizes mould and be accurately positioned.
Second step: cast.From mould and space, iron tap channel both sides, semi liquid state refractory material good for pretreatment is injected.
3rd step: the demoulding.After confirming molding, the cooling nozzle on the upside of mould injects cooling water, makes mould quickly cool down,
The iron tap channel liner of the resistance to material sharp separation of mould and basic forming is made by the effect of expanding with heat and contract with cold；Outside mould with in resistance to material
The waste oil reclaimed is injected in gap between lining, promotes hanging, fast demoulding.
Illustrate: when pouring the The Small Well mold releasability of reduced size, it is possible to only with " water filling " cooling and demolding, or can only adopt
By " oiling " lubricating release.
Production practices prove: stokehold pours operation every time needs the used time 12-30 hour, and single ferrum mouth reinforcement organization of production the soonest may be used
Within 12 hours, complete；Double ferrum mouths require optimum efficiency, probably need 30 hours, all can reach the effect pouring repairing in time.
Certainly, the present invention can also have various embodiments, in the case of without departing substantially from present invention spirit and essence thereof, is familiar with
Those skilled in the art can make various corresponding change and modification according to disclosure of the invention, but these change accordingly and
Deformation all should belong to the protection domain of appended claims of the invention.
Claims (11)
1. before a State of Blast Furnace, resistance to material pours mould, it is characterised in that described in pour mould include the resistance to material of tap drain pour mould and
The resistance to material of slag skimmer The Small Well matched with described tap drain pours mould；
The resistance to material of described tap drain pours mould and includes that the tap drain in enclosed construction pours die main body (1), and described tap drain pours mould
Main body (1), in wedge structure wide at the top and narrow at the bottom, is connect ferrum mouth section (1-1), tilting section (1-2) and low dip section by be sequentially connected with
(1-3) composition；
The resistance to material of described tap drain pours mould and also includes, a tap drain pours mould cooling filler (2) and is positioned at tap drain and pours mould
Low dip section (1-3) top, a pair tap drain pours die orientations and supports (3) and be divided into low dip section (1-3) two ends, top, a pair
Tap drain pours die orientations support bar (4) and inserts tap drain respectively and pour die orientations and support in (3), and two pairs of tap drains pour mould and carry
Rise hanger (5) be respectively symmetrically be located at low dip section (1-3) pour the two sides that die orientations support bar (4) is vertical with tap drain
Top, a tap drain pours mould cooling discharge outlet (6) and is positioned at low dip section (1-3) bottom；
Wherein, connecing ferrum mouth section (1-1) described in and be parallel to tap drain pouring the cross section in die orientations support bar (4) direction is camber line semicircle
Arc；Described low dip section (1-3) be parallel to tap drain pour the cross section in die orientations support bar (4) direction be top be inverted trapezoidal
Bottom is the combined shaped of circular arc；
The resistance to material of described The Small Well pours mould and includes that the The Small Well in enclosed construction pours die main body (7), and it is cold that a The Small Well pours mould
But filler (8) are positioned at The Small Well and pour die main body (7) top, and a pair The Small Well pours die orientations and support (9) and be divided into The Small Well
Pouring die main body (7) two ends, top, a pair The Small Well pours die orientations support bar (10) and inserts The Small Well respectively to pour mould fixed
To supporting in (9), a pair The Small Well pours mould lifting hanger (11) and is symmetrically set in The Small Well pours die main body (7) and The Small Well
Pouring the top, two sides that die orientations support bar (10) is vertical, a The Small Well pours mould cooling discharge outlet (12) and is positioned at The Small Well and waters
Build die main body (7) bottom；
It is wide at the top and narrow at the bottom to truncated rectangular pyramids shape that the resistance to material of described The Small Well pours mould.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that described in connect ferrum mouth section (1-1) put down
Row pours arc radius=this section tap drain design width × 1/ in the cross section in die orientations support bar (4) direction in tap drain
3-10mm；Described low dip section (1-3) is parallel to the circular arc that tap drain pours the cross section in die orientations support bar (4) direction
Radius=tap drain design width × 1/4 ± 10mm.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that described in connect ferrum mouth section (1-1) long
Degree=blast furnace main channel meets ferrum mouth segment length, tilting section (1-2) length=blast furnace main channel tilting section design length, low dip section (1-
3) (1-1/4)-20mm of a length of blast furnace main channel low dip section design length；Described tap drain pour each section of height of mould=
Each section of design height+10mm of blast furnace main channel.
4. pour mould according to resistance to material before the arbitrary described State of Blast Furnace of claim 1-3, it is characterised in that described low dip section
(1-3) end face is rectangle；Described tilting section (1-2) end face is isosceles trapezoid；The described end face connecing ferrum mouth section (1-1) is rectangular
Shape or square.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that pour mould being perpendicular to tap drain
On the cross section in directional support bar (4) direction, described in connect ferrum mouth section (1-1) be rectangle or square, described tilting section (1-2) in
Right-angled trapezium, described low dip section (1-3) is the most trapezoidal, and the oblique waist gradient of low dip section (1-3) is 1%-3%；Described connect
The right-angle side of the top margin of ferrum mouth section (1-1), the right-angle side of described tilting section (1-2) and described low dip section (1-3) is with always
On line；The base of described tilting section (1-2) and the base coincident of described low dip section (1-3).
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that some low dip sections (1-3) are suitable
Secondary it is connected to form low dip section group.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that the resistance to material of described The Small Well pours mould
The height+100mm of height=The Small Well design, the end face length of side of the end face length of side=The Small Well design, the end of the bottom surface length of side=The Small Well design
The face length of side.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that described tap drain pours mould cooling
Filler (2) is positioned at tap drain and pours center, die main body (1) top, and tap drain pours mould cooling (2) two ends, filler and tap drain
The distance pouring die orientations support bar (4) is identical；Described tap drain pours mould cooling discharge outlet (6) and is positioned at tap drain and pours mould
Center, main body (1) bottom, pours mould cooling filler (2) corresponding setting with tap drain.
Before State of Blast Furnace the most according to claim 1, resistance to material pours mould, it is characterised in that described The Small Well pours mould cooling
Filler (8) is positioned at The Small Well and pours center, die main body (7) top, and The Small Well pours mould cooling (8) two ends, filler and The Small Well
The distance pouring die orientations support bar (10) is identical；Described The Small Well pours mould cooling discharge outlet (12) and is positioned at The Small Well and pours mould
Center, tool main body (7) bottom, pours mould cooling filler (8) corresponding setting with The Small Well.
10. pour a pouring procedure for mould based on refractory material before described State of Blast Furnace arbitrary in claim 1-3,5-9,
Comprise the following steps:
1) the resistance to material of iron tap channel tap drain before cast State of Blast Furnace
1-1) location: cleaning stokehold iron tap channel tap drain, pours the hanging hook of driving and tap drain mould and promotes hanger (5) consolidation,
Tap drain is poured mould and puts into the center of tap drain by startup driving, and two tap drains pour die orientations support bar (4) and wear respectively
Cross tap drain and pour die orientations support (3), put down tap drain and pour mould, make two tap drains pour die orientations support bar (4) water
The flat bank both sides being fixed on iron tap channel tap drain, and then realize mould and be accurately positioned；
1-2) cast: pour mould and space, iron tap channel tap drain both sides from tap drain, by semi liquid state refractory material note good for pretreatment
Enter；
1-3) the demoulding: after refractory material molding, from iron tap channel tap drain pour the tap drain on the upside of mould pour mould cooling add water
Mouth (2) injects cooling water, makes mould and refractory lining sharp separation；Pour outside mould from tap drain and refractory lining
Between gap inject reclaim waste oil, promote hanging, fast demoulding；
2) the iron tap channel resistance to material of slag skimmer The Small Well before cast State of Blast Furnace
2-1) location: cleaning stokehold slag skimmer The Small Well, pours the hanging hook of driving and The Small Well mould and promotes hanger (11) consolidation,
The Small Well is poured mould and puts into the center of The Small Well by startup driving, and two The Small Wells pour die orientations support bar (10) and wear respectively
Cross The Small Well and pour die orientations support (9), put down The Small Well and pour mould, make two The Small Wells pour die orientations support bar (10) water
The flat both sides, well being fixed on iron tap channel slag skimmer The Small Well, and then realize mould and be accurately positioned；
2-2) cast: pouring mould and space, iron tap channel slag skimmer The Small Well both sides from The Small Well, the semi liquid state that pretreatment is good is fire-resistant
Material injects；
2-3) the demoulding: after refractory material molding, pouring the The Small Well on the upside of mould from iron tap channel slag skimmer The Small Well, to pour mould cold
But filler (8) inject cooling water, make mould and refractory lining sharp separation；Pour outside mould from The Small Well and fire proofed wood
Gap between material liner is injected and is reclaimed waste oil, promotes hanging, fast demoulding.
11. 1 kinds pour the pouring procedure of mould based on refractory material before the State of Blast Furnace described in claim 4, including following step
Rapid:
1) the resistance to material of iron tap channel tap drain before cast State of Blast Furnace
1-1) location: cleaning stokehold iron tap channel tap drain, pours the hanging hook of driving and tap drain mould and promotes hanger (5) consolidation,
Tap drain is poured mould and puts into the center of tap drain by startup driving, and two tap drains pour die orientations support bar (4) and wear respectively
Cross tap drain and pour die orientations support (3), put down tap drain and pour mould, make two tap drains pour die orientations support bar (4) water
The flat bank both sides being fixed on iron tap channel tap drain, and then realize mould and be accurately positioned；
1-2) cast: pour mould and space, iron tap channel tap drain both sides from tap drain, by semi liquid state refractory material note good for pretreatment
Enter；
1-3) the demoulding: after refractory material molding, from iron tap channel tap drain pour the tap drain on the upside of mould pour mould cooling add water
Mouth (2) injects cooling water, makes mould and refractory lining sharp separation；Pour outside mould from tap drain and refractory lining
Between gap inject reclaim waste oil, promote hanging, fast demoulding；
2) the iron tap channel resistance to material of slag skimmer The Small Well before cast State of Blast Furnace
2-1) location: cleaning stokehold slag skimmer The Small Well, pours the hanging hook of driving and The Small Well mould and promotes hanger (11) consolidation,
The Small Well is poured mould and puts into the center of The Small Well by startup driving, and two The Small Wells pour die orientations support bar (10) and wear respectively
Cross The Small Well and pour die orientations support (9), put down The Small Well and pour mould, make two The Small Wells pour die orientations support bar (10) water
The flat both sides, well being fixed on iron tap channel slag skimmer The Small Well, and then realize mould and be accurately positioned；
2-2) cast: pouring mould and space, iron tap channel slag skimmer The Small Well both sides from The Small Well, the semi liquid state that pretreatment is good is fire-resistant
Material injects；
2-3) the demoulding: after refractory material molding, pouring the The Small Well on the upside of mould from iron tap channel slag skimmer The Small Well, to pour mould cold
But filler (8) inject cooling water, make mould and refractory lining sharp separation；Pour outside mould from The Small Well and fire proofed wood
Gap between material liner is injected and is reclaimed waste oil, promotes hanging, fast demoulding.
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| CN108247816A (en) * | 2018-03-26 | 2018-07-06 | 兖矿东华重工有限公司 | A kind of mold poured for stove refractory material |
| CN110195137A (en) * | 2019-05-14 | 2019-09-03 | 鞍钢股份有限公司 | Method for preparing newly built taphole channel |
| CN114800788B (en) * | 2022-03-22 | 2023-11-28 | 北京利尔高温材料股份有限公司 | Preparation method of skimming tool quick-change mold and iron runner |
| CN114657301A (en) * | 2022-03-28 | 2022-06-24 | 山东莱钢永锋钢铁有限公司 | Device transformation method for treating molten iron backflow |
| CN114807478A (en) * | 2022-06-15 | 2022-07-29 | 安徽长江钢铁股份有限公司 | Method for rapidly treating iron notch blowby gas |
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| CA1194894A (en) * | 1982-02-09 | 1985-10-08 | Masaru Takashima | Core for blow-forming the lining of vessel for molten metal, a lining method using said core, and a lining composition used in said lining method |
| US4426067A (en) * | 1983-01-07 | 1984-01-17 | The Calumite Company | Metallic sectional liquid-cooled runners |
| CA2062697C (en) * | 1991-03-22 | 1997-04-22 | Charles W. Connors, Jr. | Method and apparatus for manufacturing and repairing molten metal containment vessels |
| CN201778041U (en) * | 2010-09-08 | 2011-03-30 | 中冶赛迪工程技术股份有限公司 | Main iron runner structure |
| CN202063937U (en) * | 2011-04-24 | 2011-12-07 | 鞍钢股份有限公司 | Blast furnace front slag iron runner |
| CN204525714U (en) * | 2015-02-10 | 2015-08-05 | 山东钢铁股份有限公司 | Before a kind of State of Blast Furnace, mould built by resistance to material |
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