CN209081918U - A kind of blast furnace cooling stave structure - Google Patents
A kind of blast furnace cooling stave structure Download PDFInfo
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- CN209081918U CN209081918U CN201821823613.5U CN201821823613U CN209081918U CN 209081918 U CN209081918 U CN 209081918U CN 201821823613 U CN201821823613 U CN 201821823613U CN 209081918 U CN209081918 U CN 209081918U
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- cooling
- blast furnace
- refractory lining
- cooling tube
- cooling wall
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Abstract
The utility model belongs to the cooling equipment technical field 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 utility model 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 utility model belongs to the cooling equipment technical field 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.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of blast furnace cooling stave knots
Structure, for solving the problems such as hot face slag crust stability of cooling wall is poor in the prior art, the cooling wall service life is low.
In order to achieve the above objects and other related objects, the utility model provides a kind of blast furnace cooling stave structure, including cold
But wall ontology, it further includes additional cooling tube, the hot surface side of the cooling wall ontology is set that the cooling wall ontology is interior, which to be equipped with cooling tube,
There is refractory lining, the additional cooling tube passes through cooling wall ontology and protrudes into refractory lining.
The beneficial effects of the utility model are: being improved by the independent additional cooling water pipe for protruding into refractory lining of setting cold
But the cooling capacity of wall extends the service life of cooling wall so that the hot surface side of cooling wall forms stable slag crust, promotes blast furnace
Stable 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 utility model embodiment;
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. 2;
Fig. 5 is the top view of the blast furnace cooling stave structure of the utility model embodiment.
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
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model 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 enforceable range of the utility model, relativeness is altered or modified,
Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Before the utility model embodiment is described in detail, first the application environment of the utility model is retouched
It states.The utility model technology mainly be applied to blast furnace, the bosh, furnace bosh, restoration of lower stack etc. of blast furnace have liquid phase slag,
The region of molten iron production improves the cooling capacity of cooling wall using the cooling wall structure of the utility model, in the heat of cooling wall
Surface side forms stable slag crust, 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 utility model embodiment, including cooling wall ontology 2 and additional
Cooling tube 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, the quantity root of cooling tube 21
It selects to be arranged according to demand, such as quantity can be set to 4,6, quantity setting is flexible.Cooling wall ontology 1 can be using casting
Any one in iron or 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 are equipped with refractory lining, and additional cooling tube 1 protrudes into refractory lining after passing through cooling wall ontology 2, mentions
The quantity of the cooling capacity of high cooling wall, additional cooling tube 1 can also select to be arranged according to demand, as quantity can be set to 3
Branch, 4 etc., quantity setting are flexible.The through hole passed through for adding cooling tube 1 is equipped on furnace shell 3 and cooling wall ontology 2,
The diameter of through hole is 1.2 times or more of additional cooling pipe outside diameter, easy for installation, is respectively independently arranged, through hole can also be straight
The through-hole good using preset in advance on furnace shell 3 and cooling wall ontology 2 is connect, reduces manufacturing cost, additional cooling tube can be according to need
It asks selection horizontally disposed or is vertically arranged, be arranged convenient, flexible.The water inlet end of additional cooling tube 1 and water outlet are stretched across through hole
Out outside furnace shell 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
For TU2, adding and being passed through the coolant liquid of flowing in cooling tube 1 can be pure water or demineralized water, improve cooling effect.Additional cooling tube
1 length can select to be arranged according to specific requirements, when needing to lengthen additional cooling tube or save the cost, add cooling tube 1
Water inlet end and water outlet can use steel pipe, welded, be added cold by the way that steel sleeve 11 and additional cooling tube 1 are arranged on steel pipe
But pipe 1 can be sealedly and fixedly connected by bellow-type expansion joint or seal closure with furnace shell 3, when using bellow-type expansion joint 12 and furnace shell 3
When sealed 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 utility model protrudes into refractory lining across cooling wall ontology by the way that independent additional cooling tube is arranged, and improves cooling wall
Cooling capacity help 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,
Promote blast furnace stable operation, extends blast furnace service life.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
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.
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CN201821823613.5U CN209081918U (en) | 2018-11-07 | 2018-11-07 | A kind of blast furnace cooling stave structure |
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CN201821823613.5U CN209081918U (en) | 2018-11-07 | 2018-11-07 | A kind of blast furnace cooling stave structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109280728A (en) * | 2018-11-07 | 2019-01-29 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace cooling stave structure |
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2018
- 2018-11-07 CN CN201821823613.5U patent/CN209081918U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109280728A (en) * | 2018-11-07 | 2019-01-29 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace cooling stave structure |
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