CN209292379U - A kind of blast furnace crucibe with safety wall - Google Patents
A kind of blast furnace crucibe with safety wall Download PDFInfo
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- CN209292379U CN209292379U CN201822129900.2U CN201822129900U CN209292379U CN 209292379 U CN209292379 U CN 209292379U CN 201822129900 U CN201822129900 U CN 201822129900U CN 209292379 U CN209292379 U CN 209292379U
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- safety wall
- cooling water
- wall
- carbon brick
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Abstract
This application provides a kind of blast furnace crucibes with safety wall, including furnace shell, carbon brick layer, safety wall and cooling water sink, successively stratiform is stacked from inside to outside for carbon brick layer, safety wall and furnace shell, and cooling water sink is set in the outside wall surface of the furnace shell of cupola well to cool down for leading to cooling water to furnace shell；Cancel existing cooling wall, pass through the design of high thermal conductivity safety wall, and cooling water sink is placed on the outside of furnace shell, enhance the outside heat transfer and cooling of cupola well, so that the hot face of carbon brick layer forms stable slag iron solidification layer, the longevity of blast furnace crucibe is realized by the stabilization slag iron solidification layer of formation, also fundamentally solves now that blast furnace is because of cupola well cooling wall leak, a possibility that causing cupola well damaged.
Description
Technical field
The utility model relates to blast furnace technical fields, more particularly, to a kind of blast furnace crucibe with safety wall.
Background technique
Prolonging campaign is a system engineering, it involves the various aspects such as design, selection, construction, production and maintenance.It closes
The BF Design of reason is basis and the premise of prolonging campaign and steady production again.There are mainly two types of for blast furnace crucibe structure at present
Theory, it may be assumed that " heat-insulated method " and " thermally conductive method " furnace bottom hearth structure.The different design concept of both cupola wells is both needed to establish reasonable
Cupola well heat transfer system, is equipped with blast furnace crucibe cooling wall adaptable therewith.Therefore, in the design of blast furnace crucibe, installation process
The design and installation quality in the gap between gap, cooling wall and the carbon brick layer between last furnace shell and cooling wall must be taken into consideration.
But usual situation is because work progress processing is not in place or in the actual production process between furnace shell and cooling wall or carbon
Gap is generated between brick layer and cooling wall, the transmission system that will lead to cupola well heat is blocked, and cupola well heat transmission is obstructed, and is led
The erosion exacerbation for causing the carbon brick layer temperature raising in the hot face of cupola well, easily causing slag iron to it, finally causes the reduction in cupola well service life.
The defect of existing blast furnace crucibe is specifically mainly reflected in: 1. existing last furnace shells and cooling wall gap are to cupola well longevity
The influence of generation；2. influence of the gap to cupola well heat transfer system between carbon brick layer and cooling wall；3. the manufacture of blast furnace cooling stave
Complex process, investment height, installation requirement are compared with long construction period；4. existing State of Blast Furnace labour later period temperature of the furnace hearth height or burn-through etc.
Problem；5. caused blast furnace crucibe is damaged because of cupola well cooling wall leak.
Gap between the gap how being avoided that between furnace shell and cooling wall or carbon brick layer and cooling wall passes cupola well
The influence of hot system, it is most important to the service life for extending blast furnace crucibe.
Utility model content
The purpose of the embodiments of the present invention is to provide a kind of blast furnace crucibe with safety wall.
In order to solve the above technical problems, technical solution provided by the present application are as follows:
A kind of blast furnace crucibe with safety wall, furnace shell and carbon brick layer including steel further include safety wall and more
Cooling water sink；
The safety wall builds the inside that the furnace shell is arranged in for making in the safety wall and the furnace shell
Wall surface abutting contact, the carbon brick layer build the inside that the safety wall is arranged in be used for so that the carbon brick layer and the peace
The inner wall abutting contact of full wall, to the direction outside furnace, successively stratiform is folded along out of furnace for the carbon brick layer, safety wall and furnace shell
Add arrangement, the safety wall is between the carbon brick layer and furnace shell；
To be used for circulation cooling water in the outside wall surface for the furnace shell that the more cooling water sinks are set to the cupola well
Furnace shell is cooled down, the cooling water sink is open slot structure, opening and the furnace shell of the cooling water sink
Outside wall surface sealing welding constitute the circulation passage for being used for circulation cooling water, be provided with for cold on the cooling water sink
But water flow logical water inlet and water outlet.
Preferably, the safety wall material is high thermal conductivity castable or fritter carbon brick；
When the safety wall material is fritter carbon brick, carbon is additionally provided between the carbon brick layer and the safety wall and is smash
The bed of material or carbon mud layer.
Preferably, every cooling water sink is the annular water tank of horizontal circle and/or longitudinal sink for being vertically arranged.
Preferably, the cross section of the cooling water sink is semicircle or groove type.
Preferably, the spacing between the two neighboring cooling water sink is 10mm~100mm.
The basic conception of the utility model is: providing a kind of blast furnace crucibe structure with safety wall, specific method is to cancel
Cooling wall in existing blast furnace crucibe is arranged safety wall between the carbon brick layer in furnace shell and cupola well, passes through high thermal conductivity safety wall
Design, it is cooling to strengthen cupola well, so that the hot face of the carbon brick layer in cupola well forms stable slag iron solidification layer, passes through the steady of formation
Slag iron solidification layer is determined to realize the longevity of blast furnace crucibe.
What the utility model generated mainly has the beneficial effect that
(1) is designed by safety wall, and the gap completely eliminated between last furnace shell and cooling wall generates cupola well longevity
Influence.
(2) eliminates the cooling wall in blast furnace crucibe, also avoids because of cooling wall manufacture complex process, investment is high, installs
It is required that the problem of height, long construction period.
(3) improves the heat transfer system of blast furnace crucibe by the design of safety wall, it is ensured that the carbon in the hot face of blast furnace crucibe
It is formed in brick layer and stablizes slag iron solidification layer, extend the service life of blast furnace crucibe.
(4) cooling water sink is placed on the outside of furnace shell by, also fundamentally solve now blast furnace because cupola well cooling wall leaks
Water, a possibility that causing cupola well damaged.
Detailed description of the invention
Fig. 1 is that a kind of blast furnace crucibe with safety wall for providing of the embodiments of the present invention (lead for height by safety wall material
Hot pouring material, and cooling water sink is the longitudinal sink being vertically arranged) longitudinal profile structure schematic；
Fig. 2 is that (safety wall material is a kind of blast furnace crucibe with safety wall for providing of another embodiment of the utility model
High thermal conductivity castable, and cooling water sink be horizontal circle annular water tank) longitudinal profile structure schematic；
Fig. 3 is a kind of blast furnace crucibe (safety wall material with safety wall that the still another embodiment of the utility model provides
For fritter carbon brick, and cooling water sink is the combination of the annular water tank of horizontal circle and the longitudinal sink being vertically arranged) longitudinal direction
The schematic diagram of the section structure；
Schematic perspective view of the Fig. 4 by longitudinal sink (cross section is semicircle) in the A circle circle in Fig. 1.
In figure: 1 annular water tank；2 longitudinal sinks；3 furnace shells；4 safety walls；5 carbon brick layers, 6 carbons smash the bed of material or carbon mud
Layer.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " axial direction ", " radial direction ", " longitudinal direction ", " cross
To ", " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside", " clockwise ",
The orientation or positional relationship of instructions such as " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing
The utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, also may include the first and second features be not direct contact but
Pass through the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
Fisrt feature is in the surface and oblique upper of second feature, or is merely representative of first feature horizontal height higher than second feature.
Fisrt feature includes fisrt feature in the underface of second feature and obliquely downward under the second feature " below ", " below " and " below "
Side, or first feature horizontal height is merely representative of less than second feature.
Referring to Fig.1-3, Fig. 1 is a kind of blast furnace crucibe (safety wall with safety wall that the embodiments of the present invention provide
Material be high thermal conductivity castable, and cooling water sink is the longitudinal sink being vertically arranged) longitudinal profile structure schematic；Fig. 2
(safety wall material is high thermal conductivity casting to a kind of blast furnace crucibe with safety wall provided for another embodiment of the utility model
Material, and cooling water sink be horizontal circle annular water tank) longitudinal profile structure schematic；Fig. 3 be the utility model again
(safety wall material is fritter carbon brick to a kind of blast furnace crucibe with safety wall that another embodiment provides, and cooling water sink is water
Flat ring around annular water tank and the combination of longitudinal sink that is vertically arranged) longitudinal profile structure schematic；Fig. 4 is the A in Fig. 1
The schematic perspective view of longitudinal sink (cross section is semicircle) in enclosing.
This application provides a kind of blast furnace crucibes with safety wall, and furnace shell 3 and carbon brick layer 5 including steel further include
Safety wall 4 and more cooling water sinks；
The safety wall 4 builds the inside that the furnace shell 3 is arranged in be used for so that the safety wall 4 and the furnace shell 3
Inner wall abutting contact, the carbon brick layer 5 builds the inside that the safety wall 4 is arranged in for so that the carbon brick layer 5
With the inner wall abutting contact of the safety wall 4, the carbon brick layer 5, safety wall 4 and furnace shell 3 along out of furnace to the side outside furnace
It is stacked to successively stratiform, the safety wall 4 is between the carbon brick layer 5 and furnace shell 3；
To be used for circulation cooling water in the outside wall surface for the furnace shell 3 that the more cooling water sinks are set to the cupola well
Furnace shell 3 is cooled down, the cooling water sink is open slot structure, opening and the furnace shell of the cooling water sink
3 outside wall surface sealing welding constitutes the circulation passage for being used for circulation cooling water, is provided with and is used on the cooling water sink
The water inlet and water outlet of cooling water circulation.
In one embodiment of the application, 4 material of safety wall is high thermal conductivity castable or fritter carbon brick, thermally conductive system
Number >=20w/m. DEG C；
When 4 material of safety wall is fritter carbon brick, carbon is additionally provided between the carbon brick layer 5 and the safety wall 4
Element smashes the bed of material or carbon mud layer 6.
In one embodiment of the application, the every cooling water sink is the annular water tank 1 of horizontal circle and/or erects
To longitudinal sink 2 of arrangement.
In one embodiment of the application, the cross section of the cooling water sink is semicircle or groove type.
In one embodiment of the application, the spacing between the two neighboring cooling water sink is 10mm~100mm.
What the utility model generated mainly has the beneficial effect that
(1) is designed by safety wall 4, and the gap completely eliminated between last furnace shell 3 and cooling wall produces cupola well longevity
Raw influence.
(2) eliminates the cooling wall in blast furnace crucibe, also avoids because of cooling wall manufacture complex process, investment is high, installs
It is required that the problem of height, long construction period.
(3) passes through the design of safety wall 4, improves the heat transfer system of blast furnace crucibe, it is ensured that the carbon in the hot face of blast furnace crucibe
It is formed in brick layer 5 and stablizes slag iron solidification layer, extend the service life of blast furnace crucibe.
(4) cooling water sink is placed in the outside of furnace shell 3 by, also fundamentally solve now blast furnace because cupola well cooling wall leaks
Water, a possibility that causing cupola well damaged.
The method and apparatus of not detailed description are the prior art in the application, are repeated no more.
The method and its core concept of the above embodiments are only used to help understand the utility model.It should refer to
It out, for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection scope of the utility model claims
It is interior.
Claims (5)
1. a kind of blast furnace crucibe with safety wall, furnace shell and carbon brick layer including steel, which is characterized in that further include safety wall
And more cooling water sinks；
The safety wall builds the inside that the furnace shell is arranged in for making the inner wall of the safety wall Yu the furnace shell
Abutting contact, the carbon brick layer build the inside that the safety wall is arranged in be used for so that the carbon brick layer and the safety wall
Inner wall abutting contact, to the direction outside furnace, successively stratiform is superimposed cloth along out of furnace for the carbon brick layer, safety wall and furnace shell
It sets, the safety wall is between the carbon brick layer and furnace shell；
To be used for circulation cooling water to furnace in the outside wall surface for the furnace shell that the more cooling water sinks are set to the cupola well
Shell cools down, and the cooling water sink is open slot structure, and the opening of the cooling water sink is outer with the furnace shell
Wall surface sealing welding constitutes the circulation passage for being used for circulation cooling water, is provided on the cooling water sink for cooling water
The water inlet and water outlet of circulation.
2. the blast furnace crucibe according to claim 1 with safety wall, which is characterized in that the safety wall material is high thermal conductivity
Castable or fritter carbon brick；
When the safety wall material is fritter carbon brick, carbon is additionally provided between the carbon brick layer and the safety wall and smashes the bed of material
Or carbon mud layer.
3. the blast furnace crucibe according to claim 1 with safety wall, which is characterized in that the every cooling water sink is water
Flat ring around annular water tank and/or longitudinal sink for being vertically arranged.
4. the blast furnace crucibe according to claim 1 with safety wall, which is characterized in that the cross section of the cooling water sink
For semicircle or groove type.
5. the blast furnace crucibe according to claim 1 with safety wall, which is characterized in that the two neighboring cooling water sink
Between spacing be 10mm~100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129900.2U CN209292379U (en) | 2018-12-19 | 2018-12-19 | A kind of blast furnace crucibe with safety wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129900.2U CN209292379U (en) | 2018-12-19 | 2018-12-19 | A kind of blast furnace crucibe with safety wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292379U true CN209292379U (en) | 2019-08-23 |
Family
ID=67655497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822129900.2U Active CN209292379U (en) | 2018-12-19 | 2018-12-19 | A kind of blast furnace crucibe with safety wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209292379U (en) |
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2018
- 2018-12-19 CN CN201822129900.2U patent/CN209292379U/en active Active
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