CN109280728A - A kind of blast furnace cooling stave structure - Google Patents
A kind of blast furnace cooling stave structure Download PDFInfo
- Publication number
- CN109280728A CN109280728A CN201811316454.4A CN201811316454A CN109280728A CN 109280728 A CN109280728 A CN 109280728A CN 201811316454 A CN201811316454 A CN 201811316454A CN 109280728 A CN109280728 A CN 109280728A
- Authority
- CN
- China
- Prior art keywords
- cooling
- blast furnace
- refractory lining
- cooling tube
- cooling wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 157
- 239000000463 material Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011449 brick Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 235000012149 noodles Nutrition 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention belongs to the cooling equipment technical fields of industrial furnace, more particularly to a kind of blast furnace cooling stave structure.Including cooling wall ontology, it is equipped with cooling tube in the cooling wall ontology, further includes additional cooling tube, the hot surface side of the cooling wall ontology is equipped with refractory lining, and the additional cooling tube passes through cooling wall ontology and protrudes into refractory lining.The beneficial effects of the present invention are: improving the cooling capacity of cooling wall by the way that the independent additional cooling water pipe for protruding into refractory lining is arranged, so that the hot surface side of cooling wall forms stable slag crust, extends the service life of cooling wall, promote blast furnace stable operation.
Description
Technical field
The invention belongs to the cooling equipment technical fields of industrial furnace, more particularly to a kind of blast furnace cooling stave structure.
Background technique
For a large amount of industrial furnaces using cooling by water structure, cooling wall is usually one of the key equipment of this kind of stove,
Such as the cooling wall of blast furnace, such equipment casts usually using iron, copper or steel etc., is cast into wall body by seamless steel pipe
The cooling duct of production.High pressure, swiftly flowing coolant liquid are passed through in the cooling duct of cooling wall, the heat of cooling wall is quick
It takes away, maintenance industrial furnace is safely and steadily run.Bosh, furnace bosh, the restoration of lower stack of blast furnace are usually formed a large amount of liquid
Phase slag, molten iron etc. form slag in the hot face of cooling wall although these high-temperature fusion liquid phases touch quick solidification after cooling wall
Skin protects cooling wall to wash away, wear from high temperature substance, but the state in blast furnace by raw material, fuel, operating duty shadow
Frequent fluctuation is rung, the slag crust in the hot face of cooling wall can be remelted at high temperature, or falls off under material impact.Slag crust is anti-in furnace
It formed, fallen off again, large effect is caused to the service life and blast furnace stable operation of cooling wall, ironmaking worker constantly explores
Novel cooling equipment or structure type, to solve the problems, such as that the hot face slag crust of cooling wall is unstable.
Current more successful technology is bosh, furnace bosh, restoration of lower stack in blast furnace using copper cooling wall, copper cooling wall with
Its powerful cooling capacity is easy quickly to form slag crust in hot face.But it is blocked up that slag crust easily occurs in copper cooling wall, influences the high efficiency of furnace
The problem of, in addition, since copper material is softer not wear-resisting, copper cooling wall service life in furnace usual 7-9 or so is not able to satisfy blast furnace
Requirement in generation furnace life about 20 years.Therefore, it is necessary to a kind of blast furnace cooling stave structure be developed, under blast-furnace bosh, furnace bosh, shaft
Portion forms stable slag crust, protects cooling equipment stable operation, promotes blast furnace stable operation.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of blast furnace cooling stave structures, use
In solve the hot face slag crust stability of cooling wall is poor, the cooling wall service life is low in the prior art the problems such as.
In order to achieve the above objects and other related objects, the present invention provides a kind of blast furnace cooling stave structure, including cooling wall
Ontology, the cooling wall ontology is interior to be equipped with cooling tube, further includes additional cooling tube, and the hot surface side of the cooling wall ontology is equipped with resistance to
Fire lining, the additional cooling tube pass through cooling wall ontology and protrude into refractory lining.
The beneficial effects of the present invention are: improving cooling wall by the way that the independent additional cooling water pipe for protruding into refractory lining is arranged
Cooling capacity extend the service life of cooling wall so that the hot surface side of cooling wall forms stable slag crust, promote blast furnace to stablize
Operation.
Further, the surface that the additional cooling tube is located at one end in refractory lining is coated with hard alloy layer, hard alloy
Have the characteristics that wear-resisting, resistant to high temperature, improve the heat resistance of additional cooling tube, be conducive to extend additional cooling tube uses the longevity
Life.
Further, the hot surface side of the cooling wall ontology is equipped with the fixed structure for fixing refractory lining.
Further, the refractory lining is the combination of any one or more in refractory brick, castable or spray paint.
Further, the refractory lining is the combination of refractory brick, castable, and the castable envelopes in refractory lining
Additional cooling tube.
Further, the refractory lining is the combination of refractory brick, spray paint, and the spray paint envelopes in refractory lining
Additional cooling tube.
Beneficial effect using above-mentioned further scheme is: the connection installation manufacturing is simple and convenient, reduces difficult processing
Degree, while the heat resistance of cooling wall is improved, it prolongs its service life.
Further, the U-shaped structure of additional cooling tube.
Further, the coolant liquid of flowing is passed through in the additional cooling tube, the coolant liquid can be water.
Further, the additional cooling tube is steel pipe or copper pipe.
Beneficial effect using above-mentioned further scheme is: improving cooling performance, improves the cooling wall service life, is conducive to promote
Blast furnace stable operation.
Further, the huyashi-chuuka (cold chinese-style noodles) side of the cooling wall ontology is equipped with furnace shell, and the furnace shell and cooling wall ontology, which are equipped with, to be used for
The through hole that additional cooling tube passes through, the water inlet end of the additional cooling tube and water outlet pass through through hole and stretch out outside furnace shell,
And be sealedly and fixedly connected by bellow-type expansion joint or seal closure with furnace shell, it avoids additional cooling tube from cutting off with furnace shell, connects
Easy to operate, good seal performance is installed.
Detailed description of the invention
Fig. 1 is the side view of the blast furnace cooling stave structure of the embodiment of the present invention；
Fig. 2 is A in Fig. 1 to schematic diagram；
Fig. 3 is B in Fig. 1 to schematic diagram；
Fig. 4 is the enlarged diagram of Local C in Fig. 1；
Fig. 5 is the top view of the blast furnace cooling stave structure of the embodiment of the present invention.
Piece mark explanation
1 additional cooling tube；
11 casings；
12 bellow-type expansion joints；
13 hard alloy layers；
2 cooling wall ontologies；
21 cooling tubes；
22 fixed structures；
23 refractory brick；
The resistance to material of 24 indefinite forms；
3 furnace shells.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that the term of such as "upper", "lower", "left", "right", " centre " and " one " cited in this specification, also
Only being illustrated convenient for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
Before the embodiment of the present invention is described in detail, first application environment of the invention is described.The present invention
Technology is mainly applied to blast furnace, has the area of liquid phase slag, molten iron production in the bosh, furnace bosh, restoration of lower stack etc. of blast furnace
Domain improves the cooling capacity of cooling wall using cooling wall structure of the invention, forms stable slag in the hot surface side of cooling wall
Skin extends the service life of cooling wall, promotes blast furnace stable operation.
As shown in Figures 1 to 5, the blast furnace cooling stave structure of the embodiment of the present invention, including cooling wall ontology 2 and additional cooling
Pipe 1, cooling wall ontology 2 is interior to be equipped with cooling tube 21, and cooling tube 21 is cast into cooling wall ontology 2, and the quantity of cooling tube 21 is according to need
Selection is asked to be arranged, such as quantity can be set to 4,6, quantity setting is flexible.Cooling wall ontology 1 can using cast iron or
Any one in cast steel or cast copper or rolled copper slab etc. is manufactured, and the huyashi-chuuka (cold chinese-style noodles) side of cooling wall ontology 1 is equipped with furnace shell 3,
The hot surface side of cooling wall ontology 2 is equipped with refractory lining, and additional cooling tube 1 protrudes into refractory lining after passing through cooling wall ontology 2, improves cooling
The quantity of the cooling capacity of wall, additional cooling tube 1 can also select to be arranged according to demand, as quantity can be set to 3,4
It is flexible Deng the setting of, quantity.The through hole passed through for adding cooling tube 1, through hole are equipped on furnace shell 3 and cooling wall ontology 2
Diameter be 1.2 times or more of additional cooling pipe outside diameter, it is easy for installation, be respectively independently arranged, through hole also can be directly used
The good through-hole of preset in advance on furnace shell 3 and cooling wall ontology 2, reduces manufacturing cost, and additional cooling tube can select according to demand
It is horizontally disposed with or is vertically arranged, be arranged convenient, flexible.The water inlet end of additional cooling tube 1 and water outlet pass through through hole and stretch out furnace shell
Outside 3, the U-shaped structure of cooling tube 1 is added, adding cooling tube 1 can be steel pipe or copper pipe, when using copper pipe, material TU2,
The coolant liquid that flowing is passed through in additional cooling tube 1 can be pure water or demineralized water, improve cooling effect.The length of additional cooling tube 1
Degree can select to be arranged according to specific requirements, when needing to lengthen additional cooling tube or save the cost, add the water inlet of cooling tube 1
End and water outlet can use steel pipe, welded by the way that steel sleeve 11 and additional cooling tube 1 are arranged on steel pipe, add cooling tube 1
It can be sealedly and fixedly connected by bellow-type expansion joint or seal closure with furnace shell 3, be sealed when using bellow-type expansion joint 12 and furnace shell 3
When connection, additional cooling tube 1 is effectively prevent to cut off with furnace shell 3.
As shown in Figures 1 to 5, the surface that additional cooling tube 1 is located at one end in refractory lining is coated with hard alloy layer 13, firmly
Matter alloy-layer can be weldingly fixed on additional cooling tube 1 using built-up welding mode, and hard alloy layer can use tungsten chromansil
Layer improves the wearability and heat resistance of additional cooling tube.The hot surface side of cooling wall ontology 2 is equipped with for installing fixed refractory lining
Fixed structure 22, fixed structure 22 can be dovetail groove, and refractory lining is equipped with the protrusion cooperated with dove tail shape, refractory lining edge
Simple to operate embedded in the hot surface side of cooling wall ontology 2, heat resistance is good.Wherein, refractory lining can be refractory brick 23, pour
In material feeding or spray paint any one, two or three of combination, wherein castable (such as steel fiber castable), spray paint
It can be the resistance to material 24 of indefinite form, the resistance to material 24 of indefinite form is fixed by way of being poured or spraying, and is had good fire resistance, is mentioned
High fever face ability resistant to high temperature.For example, when refractory lining is the combination of two kinds of materials of refractory brick 23 and castable, castable cladding
The additional cooling tube 1 being firmly located in refractory lining, other positions of refractory lining are refractory brick, cold by stretching out in additional cooling tube 1
But the position of wall ontology 2 is poured steel fiber castable；When refractory lining is the combination of two kinds of materials of refractory brick 23 and spray paint, spray
Coating envelopes the additional cooling tube 1 in refractory lining, and other positions of refractory lining are refractory brick, by additional cooling tube
1 position for stretching out cooling wall ontology 2 sprays the resistance to material of indefinite form.Refractory lining part is partially resistance to using indefinite form using resistance to material of being formed
Material, it is simple to operate, it is convenient to carry out, improve the cooling capacity of cooling wall.
The present invention protrudes into refractory lining across cooling wall ontology by the way that independent additional cooling tube is arranged, and improves the cold of cooling wall
But ability helps the hot surface side of cooling wall to form stable slag crust so that the binding force of slag crust and cooling wall gets a promotion, and promotes
Blast furnace stable operation extends blast furnace service life.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of blast furnace cooling stave structure, including cooling wall ontology, the cooling wall ontology is interior to be equipped with cooling tube, and feature exists
In: it further include additional cooling tube, the hot surface side of the cooling wall ontology is equipped with refractory lining, and the additional cooling tube passes through cooling wall
Ontology protrudes into refractory lining.
2. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: the additional cooling tube is located at fire resisting
The surface of one end is coated with hard alloy layer in serving as a contrast.
3. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: the hot surface side of the cooling wall ontology
Equipped with the fixed structure for fixing refractory lining.
4. a kind of blast furnace cooling stave structure according to claim 1 or 2, it is characterised in that: the refractory lining be refractory brick,
Or the combination of any one or more in castable or spray paint.
5. a kind of blast furnace cooling stave structure according to claim 4, it is characterised in that: the refractory lining is refractory brick, pours
The combination of material feeding, the castable envelope the additional cooling tube in refractory lining.
6. a kind of blast furnace cooling stave structure according to claim 4, it is characterised in that: the refractory lining is refractory brick, spray
The combination of coating, the spray paint envelope the additional cooling tube in refractory lining.
7. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: the additional U-shaped knot of cooling tube
Structure.
8. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: be passed through stream in the additional cooling tube
Dynamic coolant liquid.
9. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: the additional cooling tube be steel pipe or
Copper pipe or compo pipe.
10. a kind of blast furnace cooling stave structure according to claim 1, it is characterised in that: the huyashi-chuuka (cold chinese-style noodles) of the cooling wall ontology
Side is equipped with furnace shell, and the furnace shell and cooling wall ontology are equipped with the through hole passed through for adding cooling tube, the additional cooling
The water inlet end of pipe and water outlet pass through through hole and stretch out outside furnace shell, and solid by bellow-type expansion joint or the sealing of seal closure and furnace shell
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316454.4A CN109280728A (en) | 2018-11-07 | 2018-11-07 | A kind of blast furnace cooling stave structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316454.4A CN109280728A (en) | 2018-11-07 | 2018-11-07 | A kind of blast furnace cooling stave structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109280728A true CN109280728A (en) | 2019-01-29 |
Family
ID=65174581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316454.4A Pending CN109280728A (en) | 2018-11-07 | 2018-11-07 | A kind of blast furnace cooling stave structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109280728A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358881A (en) * | 2019-08-21 | 2019-10-22 | 北京瑞尔非金属材料有限公司 | A kind of double material nonmetallic cooling staves and production and preparation method thereof |
| CN111334629A (en) * | 2020-01-03 | 2020-06-26 | 中冶华天工程技术有限公司 | Cooling wall structure for improving cooling strength of blast furnace |
| CN114058752A (en) * | 2021-10-13 | 2022-02-18 | 武汉钢铁有限公司 | Blast furnace cooling device |
| CN114908205A (en) * | 2022-04-22 | 2022-08-16 | 北京科技大学 | Miniature cooler of blast furnace |
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-
2018
- 2018-11-07 CN CN201811316454.4A patent/CN109280728A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358881A (en) * | 2019-08-21 | 2019-10-22 | 北京瑞尔非金属材料有限公司 | A kind of double material nonmetallic cooling staves and production and preparation method thereof |
| CN111334629A (en) * | 2020-01-03 | 2020-06-26 | 中冶华天工程技术有限公司 | Cooling wall structure for improving cooling strength of blast furnace |
| CN114058752A (en) * | 2021-10-13 | 2022-02-18 | 武汉钢铁有限公司 | Blast furnace cooling device |
| CN114908205A (en) * | 2022-04-22 | 2022-08-16 | 北京科技大学 | Miniature cooler of blast furnace |
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