CN207760369U - Blast furnace shaft structure with variable thickness lining - Google Patents
Blast furnace shaft structure with variable thickness lining Download PDFInfo
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- CN207760369U CN207760369U CN201721737345.0U CN201721737345U CN207760369U CN 207760369 U CN207760369 U CN 207760369U CN 201721737345 U CN201721737345 U CN 201721737345U CN 207760369 U CN207760369 U CN 207760369U
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- thickness
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- 238000001816 cooling Methods 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 230000035699 permeability Effects 0.000 abstract description 14
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 238000003723 Smelting Methods 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 10
- 238000010410 dusting Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Manufacture Of Iron (AREA)
Abstract
The utility model relates to a blast furnace shaft structure with become thickness inside lining, including the stove outer covering, the inside wall facing of stove outer covering has the furnace lining, the stove outer covering includes toper shaft casing, toper shaft casing includes lower part shaft casing and upper portion shaft casing, the lateral wall of lower part shaft casing and upper portion shaft casing all personally submits first shaft angle setting with the level, the furnace lining includes lower part shaft inside lining and upper portion shaft inside lining, lower part shaft inside lining inside wall is parallel arrangement with the lateral wall of lower part shaft casing, lower part shaft inside lining is the thickness setting such as, upper portion shaft inside lining bottom surface is the same setting along horizontal direction's thickness with lower part shaft inside lining along horizontal direction's thickness, upper portion shaft inside lining is the bodiness setting from bottom to top along horizontal direction's thickness. The structure can effectively reduce the influence of iron ore and sinter on the air permeability of the upper part of the furnace body structure after low-temperature pulverization and low-temperature expansion, improve the air permeability and create favorable conditions for strengthening blast furnace smelting.
Description
Technical field
The utility model is related to metallurgy industry ironmaking technology field more particularly to a kind of State of Blast Furnace with Varying-thickness liner
Body structure.
Background technology
Coal gas rises because of forced-air blast in blast furnace, and furnace charge, slag iron depend on its own gravity to decline.The smelting principle of blast furnace is just
It is to be come into full contact with by the coal gas of the furnace charge and rising that decline, chemical reaction occurs to produce the iron of simple substance.Only stove
When material and coal gas this are moved toward one another in a kind of dynamic balance state, the smelting of blast furnace can be just smoothed out.
Gas permeability is the important pneumatics feature of blast furnace burden, and it is strong that the gas permeability of furnace charge directly influences blast furnace process
Degree, for improving usage factor, reinforcing blast furnace smelting has significant impact.
The superstructure of traditional blast furnace 9 is as shown in Figure 6.The superstructure of furnace body includes furnace throat 91, shaft 92, furnace bosh
93, the shaft angle that side and the bottom surface of shaft 92 are constituted is fixed angle --- the first shaft angle α.Iron ore and sinter (ball
Nodulizing) pass through the top that material-feeding mechanism (prior art) enters shaft 92 from furnace throat 91, due to the lower part of furnace bosh 93 and shaft 92
There is the blast furnace raw material being added before, therefore iron ore and sinter (pellet) need the top short stay in shaft 92
(about 1 hour).Upper shaft temperature is generally in 500-600 DEG C of section, and iron ore and sinter (pellet) by air-flow due to being rushed
It hits and reduction process (Fe2O3-Fe3O4-FeO) influences that crystalline form variation occurs, it may occur that low temperature dusting and low-temperature expansion occur
Different degrees of fragmentation dusting, a large amount of powder make the reduction of stock column voidage, influence the gas permeability of upper blast furnace stock column, directly affect
Gas stream in the stove is distributed and burden direct motion.Low temperature dusting and low-temperature expansion occur for the iron ore and sinter (pellet) of upper shaft
It is affected afterwards for gas permeability, directly affects burden direct motion and reduction process.
The present inventor relies on experience and the practice for being engaged in relevant industries for many years as a result, proposes a kind of with Varying-thickness liner
Blast-furnace shaft structure, reduce iron ore and sinter (pellet) occur it is ventilative for furnace charge after low temperature dusting and low-temperature expansion
Property influence, improve gas permeability, for reinforcing blast furnace smelting create favorable conditions.
Utility model content
The purpose of this utility model is to provide a kind of blast-furnace shaft structure with Varying-thickness liner, which can have
Effect ground reduces the influence of iron ore and sinter after low temperature dusting and low-temperature expansion to furnace body structure top gas permeability, improves saturating
Gas creates favorable conditions for reinforcing blast furnace smelting.
The purpose of this utility model is achieved in that a kind of blast-furnace shaft structure with Varying-thickness liner, including stove
Shell, is covered with furnace lining on the madial wall of the furnace shell, and the furnace shell includes diameter tapered taper shaft shell upwards, the cone
Shape shaft shell includes lower part shaft shell and top shaft shell, the lower part shaft shell and the top shaft shell
Side wall is arranged horizontal by the first shaft angle, and the furnace lining includes under being covered on the lower part shaft case inside wall
Portion's lining of shaft and the top lining of shaft being covered on the top shaft case inside wall, the lower part lining of shaft inside
The side wall of wall and the lower part shaft shell is set in parallel, and the lower part lining of shaft is arranged in equal thickness, the upper furnace
Body liner madial wall is arranged horizontal by the second shaft angle, first shaft angle be more than second shaft angle, it is described on
The thickness of portion lining of shaft bottom surface in the horizontal direction is in identical setting, institute with the thickness of the lower part lining of shaft in the horizontal direction
It is in that progressive additive is arranged to state the thickness of the top lining of shaft in the horizontal direction from bottom to up.
In a better embodiment of the utility model, top lining of shaft lateral wall is covered on the top shaft shell
On the madial wall of body, top lining of shaft lateral wall is arranged horizontal by the first shaft angle；Lower part lining of shaft lateral wall patch
It is overlying on the madial wall of the lower part shaft shell, lower part lining of shaft lateral wall is mutually parallel with lower part lining of shaft madial wall
Setting.
In a better embodiment of the utility model, the furnace shell further includes that the bottom of the taper shaft shell is close
The furnace bosh shell of connection being vertically arranged is sealed, the furnace lining further includes in the furnace bosh being covered on the furnace bosh case inside wall
Lining, the furnace bosh liner be arranged in equal thickness, and the thickness of the furnace bosh liner and the lower part lining of shaft are in the horizontal direction
Thickness is in identical setting.
In a better embodiment of the utility model, furnace bosh liner lateral wall is covered on the furnace bosh case inside wall
On, furnace bosh liner madial wall and furnace bosh liner lateral wall it is parallel to each other and be each perpendicular to horizontal plane setting.
In a better embodiment of the utility model, the furnace shell further includes that the top of the taper shaft shell is close
The vertically set furnace throat shell of connection is sealed, the furnace lining further includes the furnace throat being covered on the furnace throat case inside wall
Liner, the furnace throat liner are arranged in equal thickness, and the thickness of the furnace throat liner and top lining of shaft top surface are along level
The thickness in direction is in identical setting.
In a better embodiment of the utility model, furnace throat liner lateral wall is covered on the inside of the furnace throat shell
On wall, furnace throat liner madial wall and furnace throat liner lateral wall it is parallel to each other and be each perpendicular to horizontal plane setting.
In a better embodiment of the utility model, the furnace throat liner, the top lining of shaft, the lower part
The lining of shaft and the furnace bosh liner are constituted by cooling down equipment and refractory material unit.
In a better embodiment of the utility model, the top lining of shaft in the horizontal direction be in one layer setting or
It is arranged in multiple layer combination.
In a better embodiment of the utility model, the height of the top shaft shell is the lower part shaft shell
The 1/3 of the height of body.
In a better embodiment of the utility model, the angle model of first shaft angle and second shaft angle
Enclose is 78 ° to 83 °.
From the above mentioned, the blast-furnace shaft structure with Varying-thickness liner of the utility model has the advantages that：
In the blast-furnace shaft structure with Varying-thickness liner of the utility model, using the lining of shaft structure of Varying-thickness,
Traditional furnace body structure is divided into top shaft and lower part shaft two parts, between lower part lining of shaft madial wall and horizontal plane
First shaft angle is more than the second shaft angle between top lining of shaft madial wall and horizontal plane, and the top lining of shaft is along level side
To thickness be in that progressive additive is arranged from bottom to up, be conducive to reduce iron ore and sinter (pellet) and be sent out in upper shaft
Influence after raw low temperature dusting and low-temperature expansion to furnace charge air permeability promotes blast furnace operating direct motion by improving gas permeability, is strong
Change blast furnace process to create favorable conditions.
Description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.Wherein：
Fig. 1：For the schematic diagram of the blast-furnace shaft structure with Varying-thickness liner of the utility model.
Fig. 2：For the partial schematic diagram of the lower part lining of shaft of the utility model.
Fig. 3：For the partial schematic diagram of the top lining of shaft of the utility model.
Fig. 4：For the partial schematic diagram of the furnace bosh liner of the utility model.
Fig. 5：For the partial schematic diagram of the furnace throat liner of the utility model.
Fig. 6：For the schematic diagram of traditional blast furnace in the prior art.
In figure：
100, the blast-furnace shaft structure with Varying-thickness liner；
1, furnace shell；
11, lower part shaft shell；
12, top shaft shell；
13, furnace bosh shell；
14, furnace throat shell；
2, furnace lining；
21, the lower part lining of shaft；211, lower part lining of shaft madial wall；212, lower part lining of shaft lateral wall；
22, the top lining of shaft；221, top lining of shaft madial wall；222, top lining of shaft lateral wall；
23, furnace bosh liner；231, furnace bosh liner madial wall；232, furnace bosh liner lateral wall；
24, furnace throat liner；241, furnace throat liner madial wall；242, furnace throat liner lateral wall；
9, traditional blast furnace；91, furnace throat；92, shaft；93, furnace bosh.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
Specific embodiment of the present utility model.
As shown in Figures 1 to 5, the utility model provides a kind of blast-furnace shaft structure 100 with Varying-thickness liner, including
Furnace shell 1, it be interior to set close to the direction at 100 center of blast-furnace shaft structure with Varying-thickness liner, and setting is separate with thickeing
It is outer to spend the direction at 100 center of blast-furnace shaft structure of liner, and furnace lining 2 is covered on the madial wall of furnace shell 1, and furnace shell 1 includes straight
Radially tapered taper shaft shell, taper shaft shell include lower part shaft shell 11 and top shaft shell 12, top
The height of shaft shell 12 is less than the height of lower part shaft shell 11, in a specific embodiment of the utility model, upper furnace
The height of body shell 12 is the 1/3 of the height of lower part shaft shell 11, the side of lower part shaft shell 11 and top shaft shell 12
For wall horizontal by the first shaft angle α settings (identical as the shaft angle of traditional blast furnace), furnace lining includes being covered on lower part
In the lower part lining of shaft 21 on 11 madial wall of shaft shell and the top shaft being covered on 12 madial wall of top shaft shell
Lining 22, lower part lining of shaft madial wall 211 and the side wall of lower part shaft shell 11 are set in parallel, i.e., on the inside of the lining of shaft of lower part
Wall 211 is also horizontal by the first shaft angle α settings, and the lower part lining of shaft 21 is arranged in equal thickness, on the inside of the lining of shaft of top
Wall 221 is horizontal by the second shaft angle β settings, and the first shaft angle α is more than the second shaft angle β, in a tool of the utility model
In body embodiment, the first shaft angle α, the second shaft angle β angular range be 78 ° to 83 °；22 bottom surface Yan Shui of the top lining of shaft
Square to thickness and the lower part lining of shaft 21 thickness in the horizontal direction be in identical setting, the top lining of shaft 22 is along level side
To thickness from bottom to up be in progressive additive be arranged.The blast-furnace shaft structure 100 with Varying-thickness liner of the utility model
In, using the lining of shaft structure of Varying-thickness, traditional furnace body structure is divided into top shaft and lower part shaft two parts, top
The thickness of the lining of shaft 22 in the horizontal direction is in thicken setting from bottom to up, makes lower part lining of shaft madial wall 211 and level
The first shaft angle α between face is more than the second shaft angle β, i.e. α ＞ β between top lining of shaft madial wall 221 and horizontal plane,
Second shaft angle β makes the uplink of coal gas in blast furnace more smooth in setting is reduced, and is conducive to reduce iron ore and sinter (ball
Nodulizing) influence after low temperature dusting and low-temperature expansion occur for upper shaft to furnace charge air permeability, the improvement of gas permeability can promote
Into blast furnace operating direct motion, create favorable conditions for reinforcing blast furnace smelting.
Further, as shown in Figure 1, Figure 3, the thickness in the horizontal direction of the top lining of shaft 22 is in from bottom to up and thickens
Setting, top lining of shaft lateral wall 222 are tightly attached on the madial wall of top shaft shell 12, top lining of shaft lateral wall
222 horizontal by the first shaft angle α settings, and top lining of shaft madial wall 221 is horizontal by the second shaft angle β settings, α
＞ β set 22 top surface of top lining of shaft thickness in the horizontal direction as numerical value P, and the lining of shaft 22 bottom surface in top is in level side
To thickness be numerical value Q, Q<P.
As shown in Fig. 2, the lower part lining of shaft 21 is arranged in equal thickness, lower part lining of shaft lateral wall 212 is tightly attached to lower part
On the madial wall of shaft shell 11, lower part lining of shaft lateral wall 212 is mutually parallel with lower part lining of shaft madial wall 211 and sets
It sets, lower part lining of shaft madial wall 211 sets 21 horizontal direction of the lower part lining of shaft horizontal by the first shaft angle α settings
Thickness be T, T=Q.
Further, as Figure 1 and Figure 4, furnace shell 1 further includes being vertically arranged for the sealed bottom connection of taper shaft shell
Furnace bosh shell 13, furnace lining further includes the furnace bosh liner 23 being covered on 13 madial wall of furnace bosh shell, and furnace bosh liner 23 is in uniform thickness
Degree setting, the thickness of furnace bosh liner 23 are in identical setting with the thickness in the horizontal direction of the lower part lining of shaft 21.Furnace bosh liner
23 are arranged in equal thickness, and furnace bosh liner lateral wall 232 is tightly attached on 13 madial wall of furnace bosh shell, 231 He of furnace bosh liner madial wall
Furnace bosh liner lateral wall 232 is parallel to each other and all perpendicular to horizontal plane, thickness and 21 water of the lower part lining of shaft of furnace bosh liner 23
Square to the identical setting of thickness, thickness value T.
Further, as shown in Figure 1, shown in Figure 5, furnace shell 1 further includes that the top of taper shaft shell is tightly connected straight up
The furnace throat shell 14 of setting, furnace lining further include the furnace throat liner 24 being covered on 14 madial wall of furnace throat shell, and furnace throat liner 24 is in
Equal thickness is arranged, and the thickness of the thickness of furnace throat liner 24 and 22 top surface of the top lining of shaft in the horizontal direction is in identical setting.Stove
Larynx liner 24 is arranged in equal thickness, and furnace throat liner lateral wall 242 is tightly attached on 14 madial wall of furnace throat shell, furnace throat liner madial wall
241 and furnace throat liner lateral wall 242 it is parallel to each other and all perpendicular to horizontal plane, set the thickness of furnace throat liner 24 as numerical value M, stove
The thickness of larynx liner 24 is in identical setting, i.e. M=P with the thickness of 22 top surface of the top lining of shaft in the horizontal direction.Furnace throat liner
24 thickness is more than the thickness of furnace bosh liner 23, i.e. M>T.
Further, furnace throat liner 24, the top lining of shaft 22, the lower part lining of shaft 21 and furnace bosh liner 23 are by cooling equipment
It is constituted with refractory material unit.Furnace throat liner 24, the top lining of shaft 22, the lower part lining of shaft 21 and furnace bosh liner 23 are usually
It is built by laying bricks or stones, brick masonry with ceramic material brick (clay brick and high-alumina brick etc.) and carbonaceous material brick (carbon brick and carbon smash graphite etc.)
Bricking is constituted, bricking effect is to constitute blast furnace working space, directly against machinery, high temperature and chemical erosion in smelting process,
The radiation loss of blast furnace is reduced, and other metal structures on furnace shell 1 and blast furnace is protected to be acted on from high temperature and chemical erosion.Furnace throat
Liner 24, the top lining of shaft 22, the lower part lining of shaft 21 and furnace bosh liner 23 can reduce furnace shell heat dissipation capacity, and cooling is arranged in brick
Equipment prevents shell deformation.Local bricking first damages and shortens the life of the blast furnace in order to prevent, it is necessary to according to damage, cooling and blast furnace
The factors such as operation, select different firebrick lining.Generally, furnace throat liner 24 and the top lining of shaft 22 using have wear resistence and
The material of thermal stability, is advisable with clay brick；The lower part lining of shaft 21 and the carbonaceous material brick multi-purpose greatly of furnace bosh liner 23.
Further, the top lining of shaft 22 is in the horizontal direction one layer of setting or is arranged in multiple layer combination.In the shaft of top
The specific number of plies of lining 22 is determined by construction actual demand.
From the above mentioned, the blast-furnace shaft structure with Varying-thickness liner of the utility model has the advantages that：
In the blast-furnace shaft structure with Varying-thickness liner of the utility model, using the lining of shaft structure of Varying-thickness,
Traditional furnace body structure is divided into top shaft and lower part shaft two parts, between lower part lining of shaft madial wall and horizontal plane
First shaft angle is more than the second shaft angle between top lining of shaft madial wall and horizontal plane, the top lining of shaft along level
The thickness in direction is in thicken setting from bottom to up, is conducive to reduce iron ore and sinter (pellet) in upper shaft generation
To the influence of furnace charge air permeability after low temperature dusting and low-temperature expansion, promote blast furnace operating direct motion by improving gas permeability, to strengthen
Blast furnace process creates favorable conditions.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the design and principle of the utility model
Change and change, the range of the utility model protection should all be belonged to.
Claims (10)
1. a kind of blast-furnace shaft structure with Varying-thickness liner, including furnace shell, it is covered with furnace lining on the madial wall of the furnace shell,
It is characterized in that, the furnace shell includes the upward tapered taper shaft shell of diameter, the taper shaft shell includes lower furnace
The side wall of body shell and top shaft shell, the lower part shaft shell and the top shaft shell is horizontal by first
Shaft angle is arranged, and the furnace lining includes the lower part lining of shaft being covered on the lower part shaft case inside wall and is covered on institute
State the top lining of shaft on the shaft case inside wall of top, the lower part lining of shaft madial wall and the lower part shaft shell
Side wall be set in parallel, the lower part lining of shaft is arranged in equal thickness, the top lining of shaft madial wall and horizontal plane
It is arranged in the second shaft angle, first shaft angle is more than second shaft angle, and top lining of shaft bottom surface is along level
The thickness in direction is in identical setting with the thickness of the lower part lining of shaft in the horizontal direction, and the top lining of shaft is along horizontal
The thickness in direction is in that progressive additive is arranged from bottom to up.
2. the blast-furnace shaft structure with Varying-thickness liner as described in claim 1, which is characterized in that outside the lining of shaft of top
Side wall is covered on the madial wall of the top shaft shell, and top lining of shaft lateral wall is set horizontal by the first shaft angle
It sets；Lower part lining of shaft lateral wall is covered on the madial wall of the lower part shaft shell, the lower part lining of shaft lateral wall
It is arranged in parallel with the lower part lining of shaft madial wall.
3. the blast-furnace shaft structure with Varying-thickness liner as claimed in claim 2, which is characterized in that the furnace shell further includes
The furnace bosh shell of the sealed bottom connection of the taper shaft shell being vertically arranged, the furnace lining further includes being covered on the stove
Furnace bosh liner on waist case inside wall, the furnace bosh liner in equal thickness be arranged, the thickness of the furnace bosh liner with it is described under
The thickness of portion's lining of shaft in the horizontal direction is in identical setting.
4. the blast-furnace shaft structure with Varying-thickness liner as claimed in claim 3, which is characterized in that furnace bosh liner lateral wall
It is covered on the furnace bosh case inside wall, furnace bosh liner madial wall and furnace bosh liner lateral wall are parallel to each other and be each perpendicular to water
Plane is arranged.
5. the blast-furnace shaft structure with Varying-thickness liner as claimed in claim 3, which is characterized in that the furnace shell further includes
The vertically set furnace throat shell that the top of the taper shaft shell is tightly connected, the furnace lining further includes being covered on institute
The furnace throat liner on furnace throat case inside wall is stated, the furnace throat liner is arranged in equal thickness, the thickness of the furnace throat liner and institute
It is in identical setting to state the thickness of top lining of shaft top surface in the horizontal direction.
6. the blast-furnace shaft structure with Varying-thickness liner as claimed in claim 5, which is characterized in that furnace throat liner lateral wall
It is covered on the madial wall of the furnace throat shell, furnace throat liner madial wall and furnace throat liner lateral wall are parallel to each other and be each perpendicular to
Horizontal plane is arranged.
7. the blast-furnace shaft structure with Varying-thickness liner as claimed in claim 5, which is characterized in that the furnace throat liner,
The top lining of shaft, the lower part lining of shaft and the furnace bosh liner are constituted by cooling down equipment and refractory material unit.
8. the blast-furnace shaft structure with Varying-thickness liner as described in claim 1, which is characterized in that in the top shaft
Lining is in the horizontal direction one layer of setting or is arranged in multiple layer combination.
9. the blast-furnace shaft structure with Varying-thickness liner as described in claim 1, which is characterized in that the top shaft shell
The height of body is the 1/3 of the height of the lower part shaft shell.
10. the blast-furnace shaft structure with Varying-thickness liner as described in claim 1, which is characterized in that first shaft
The angular range of angle and second shaft angle is 78 ° to 83 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737345.0U CN207760369U (en) | 2017-12-13 | 2017-12-13 | Blast furnace shaft structure with variable thickness lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737345.0U CN207760369U (en) | 2017-12-13 | 2017-12-13 | Blast furnace shaft structure with variable thickness lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207760369U true CN207760369U (en) | 2018-08-24 |
Family
ID=63186930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737345.0U Active CN207760369U (en) | 2017-12-13 | 2017-12-13 | Blast furnace shaft structure with variable thickness lining |
Country Status (1)
| Country | Link |
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| CN (1) | CN207760369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904342A (en) * | 2017-12-13 | 2018-04-13 | 中冶京诚工程技术有限公司 | Blast furnace shaft structure with variable thickness lining |
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2017
- 2017-12-13 CN CN201721737345.0U patent/CN207760369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904342A (en) * | 2017-12-13 | 2018-04-13 | 中冶京诚工程技术有限公司 | Blast furnace shaft structure with variable thickness lining |
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