CN201265021Y - Triangle disposed blast furnace hot blast stove system - Google Patents
Triangle disposed blast furnace hot blast stove system Download PDFInfo
- Publication number
- CN201265021Y CN201265021Y CNU2008201342449U CN200820134244U CN201265021Y CN 201265021 Y CN201265021 Y CN 201265021Y CN U2008201342449 U CNU2008201342449 U CN U2008201342449U CN 200820134244 U CN200820134244 U CN 200820134244U CN 201265021 Y CN201265021 Y CN 201265021Y
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- furnace
- blast furnace
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Abstract
The utility model provides a triangularly arranged hot-blast stove system of a blast furnace; the hot-blast stove comprises three hot-blast stove bodies, and a hot-blast branch pipe, a hot-blast branch pipe corrugated compensator and a hot-blast valve which are sequentially connected on the three hot-blast stove bodies; the hot-blast stove system also comprises a hot-blast vertical pipe or a mixed-blast chamber which is connected with the blast furnace; the three hot-blast furnace bodies are arranged triangularly; the centers of the three hot-blast furnace bodies are respectively arranged at one vertex of the triangle; the hot-blast vertical pipe or the mixed-blast chamber is arranged at the middle of the triangle; and each hot-blast furnace body or the combustion chamber thereof is connected with the hot-blast vertical pipe or the mixed-blast chamber by the hot-blast branch pipe, the hot-blast branch pipe corrugated compensator and the hot-blast valve which are sequentially connected with the hot-blast furnace bodies. The triangularly arranged hot-blast stove system of the blast furnace has good whole structural stability and small area occupying; the hot-blast pipes from the hot-blast furnace to the blast furnace have the same length and identical heat dissipation loss; and the wind temperature is balanced and the construction investment is low.
Description
Technical field
The utility model relates to the arrangement of blast-furnace hot-air furnace system.
Background technology
Hotblast stove is one of auxiliary facility that iron-smelting blast furnace is the hugest, investment cost is maximum.A blast furnace will dispose two hotblast stoves at least, a burning, and an air-supply, alternation could be produced.A general blast furnace will dispose three hotblast stoves, could satisfy the requirement of blast furnace stably manufactured, and the large blast furnace configuration all the people present who has is so that when a hotblast stove maintenance, still can maintain three hotblast stove work.Along with technical progress, the life-span of blast furnace, hotblast stove improves, and the hotblast stove life-span can reach the life-span of two blast-furnace production campaigns in generation.
Most of in the last few years newly-built blast furnace all only is provided with three hotblast stoves, and three hotblast stoves all become a row formula to arrange.Fig. 1 is to the structural representation that Figure 9 shows that the blast-furnace hot-air furnace system that an existing row formula is arranged.The blast-furnace hot-air furnace system generally comprises three hot-blast furnace bodies 9 and be linked in sequence respectively hot blast manifold 1, hot blast manifold FlexbleJoint 2 and hot blast valve 3 on three hot-blast furnace bodies 9, hot-blast furnace body 9 is provided with combustion chamber 6 and regenerator (not shown), and the regenerator bottom is provided with the cold air inlet (not shown).Every hot-blast furnace body 9 is connected with hot-blast main 18 with hot blast valve 3 by connected hot blast manifold 1, hot blast manifold FlexbleJoint 2, and hot-blast main 18 directly is connected (inside and outside burning type hot-air furnace) again or is connected with the blast furnace (not shown) by hot blast vertical tube 4 (top combustion stove) with blast furnace.Hot blast directly is sent to blast furnace (inside and outside burning type hot-air furnace) or is sent to blast furnace (top combustion stove) by hot blast vertical tube 4 by the hot-blast main 18 that hot blast manifold 1, hot blast manifold FlexbleJoint 2, the hot blast valve 3 that is located at hot-blast furnace body 9 one sides enters the same side of three hot-blast furnace bodies 9 that are located at the Cheng Yilie layout.The junction of hot-blast furnace body 9 and hot blast manifold 1 generally is located at middle part (inside and outside burning type hot-air furnace) or top (top combustion stove) of hotblast stove.In, the hot-blast main 6 of large-scale blast furnace hot blast stove and hot blast vertical tube 4 (top combustion stove) highly all tens meters to more than 30 meters, all need have hot-blast main's support 7 or hot blast riser support 8 (top combustion stove) to support.Support not only will bear vertical gravity laod, also need bear the horizontal thrust that hot-blast main's 18 thermal expansions are produced.For guaranteeing the structural strength and the stability of support, hot-blast main's support 7, hot blast riser support 8 and basis are all huger, invest all very high.Three hot-blast furnace body one row formulas are provided with, and it is different that the hot blast that every hot-blast furnace body is sent arrives the distance of blast furnace, and thermosteresis is also different.Generally will hang down apart from blast furnace that hotblast stove wind pushing temperature a little further.And blast furnace requires wind-warm syndrome stable, and therefore the wind pushing temperature level of that hotblast stove has farthest just determined the highest wind-warm syndrome level that blast furnace can use.In order to overhaul, change equipment such as hot blast valve, in, the hot-blast furnace body of large blast furnace needs to set up steel framed structure than hot blast house steward Geng Gao so that establish bridge crane or electric hoist toward contact between hot-blast main and hotblast stove, further strengthened investment.
The utility model content
The purpose of this utility model provides a kind of one-piece construction good stability, and floor space is little, and the hot air duct length that hotblast stove leads to blast furnace is the same, and heat lost by radiation is the same, wind-warm syndrome equilibrium, the blast-furnace hot-air furnace system of the triangular arrangement that construction investment is low.
In order to address the above problem, the utility model provides a kind of blast-furnace hot-air furnace system of triangular arrangement, comprise three hot-blast furnace bodies and the hot blast manifold on three hot-blast furnace bodies or its combustion chamber of being linked in sequence respectively, hot blast manifold FlexbleJoint and hot blast valve, also comprise a hot blast vertical tube or a wind mixed chamber that is connected with described blast furnace, described three hot-blast furnace body triangulatioies are arranged, the center of three hot-blast furnace bodies lays respectively at a leg-of-mutton summit, described hot blast vertical tube or wind mixed chamber are positioned at described leg-of-mutton centre, and described every hot-blast furnace body or its combustion chamber are by coupled hot blast manifold, the hot blast manifold FlexbleJoint all is connected with described hot blast vertical tube or wind mixed chamber with hot blast valve.
As preferably, described trilateral is equilateral triangle, isosceles triangle or right-angle triangle.
As preferably, described hot blast vertical tube or wind mixed chamber are centered close to the leg-of-mutton circumscribed circle center of circle.
As preferably, described hot blast vertical tube or wind mixed chamber be stent-type or flooring.
As preferably, the top of described hot blast vertical tube or wind mixed chamber is provided with a crane that can rotate 360 °.
As preferably, the housing of described three hot-blast furnace bodies is provided with a ring-shaped guide rail, and electric hoist is housed on the guide rail.
As preferably, be provided with the different platform of several layer heights between described three hot-blast furnace bodies and hot blast vertical tube or the wind mixed chamber, link to each other to walk ladder between the described platform.
As preferably, set up annular or semi-circular gas main and combustion air house steward around described hot blast vertical tube or wind mixed chamber, from gas main and the combustion air house steward makes progress (being used for top combustion stove) again or downwards (being used for internal combustion type and outside combustion stove) be laid with branch gas tube and combustion air arm burner to every hot-blast furnace body respectively to described hot-blast furnace body.
As preferably, set up annular or semi-circular cold wind house steward around described hot blast vertical tube or wind mixed chamber, be laid with the cold wind arm of every hot-blast furnace body and the cold air inlet that cold blast valve arrives the regenerator bottom of described hot-blast furnace body downwards.
The beneficial effects of the utility model are: the hotblast stove one-piece construction good stability that triangulation is provided with, columniform hot-blast furnace body, hot blast vertical tube or wind mixed chamber form thick and stable tubing string group, special-purpose floor stand needn't be set in addition, can settle pipeline, equipment and each layer platform such as hot blast manifold, hot blast valve, and saved the hot-blast main, can save steel in a large number; Three hot-blast furnace bodies are the same towards the hot air duct length of blast furnace, avoid three hot-blast furnace body wind pushing temperatures different because of hot air duct length, and heat lost by radiation is different, and the wind-warm syndrome that is caused is unbalanced; Concentrate a hot blast vertical tube or wind mixed chamber, not only saved investment, and its refractory lining working temperature is stable, has improved the life-span.This kind structure formation also is convenient to the hotblast stove baker, and especially high temperature section adopts the hot-blast furnace body of silica brick.At the top of hot blast vertical tube or wind mixed chamber crane or the annular electro cucurbit that can rotate 360 ° can be set, be convenient to valve maintenance and replacing.Whole hot blast stove system floor space is little.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the blast furnace Cowper stove system of existing row formula layout;
Fig. 2 is the left TV structure synoptic diagram of the blast furnace Cowper stove system of existing row formula layout;
Fig. 3 is the plan structure synoptic diagram of the blast furnace Cowper stove system of existing row formula layout;
Fig. 4 is the main TV structure synoptic diagram of the blast furnace outside combustion stove system of existing row formula layout;
Fig. 5 is the left TV structure synoptic diagram of the blast furnace outside combustion stove system of existing row formula layout;
Fig. 6 is the plan structure synoptic diagram of the blast furnace outside combustion stove system of existing row formula layout;
Fig. 7 is the main TV structure synoptic diagram of the blast furnace top combustion stove system of existing row formula layout;
Fig. 8 is the left TV structure synoptic diagram of the blast furnace top combustion stove system of existing row formula layout;
Fig. 9 is the plan structure synoptic diagram of the blast furnace top combustion stove system of existing row formula layout;
Figure 10 is the plan structure synoptic diagram of the blast furnace Cowper stove system of triangular arrangement of the present utility model;
Figure 11 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace Cowper stove system of stent-type for the wind mixed chamber of triangular arrangement of the present utility model;
Figure 12 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace Cowper stove system of flooring for the wind mixed chamber of triangular arrangement of the present utility model;
Figure 13 is the plan structure synoptic diagram of the blast furnace outside combustion stove system of triangular arrangement of the present utility model;
Figure 14 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace outside combustion stove system of stent-type for the wind mixed chamber of triangular arrangement of the present utility model;
Figure 15 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace outside combustion stove system of flooring for the wind mixed chamber of triangular arrangement of the present utility model;
Figure 16 is the plan structure synoptic diagram of the blast furnace top combustion stove system of triangular arrangement of the present utility model;
Figure 17 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace top combustion stove system of stent-type for the hot blast vertical tube of triangular arrangement of the present utility model;
Figure 18 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace top combustion stove system of flooring for the hot blast vertical tube of triangular arrangement of the present utility model.
Description of reference numerals
1-hot blast manifold, 2-hot blast manifold FlexbleJoint, 3-hot blast valve
4-hot blast vertical tube, 5-wind mixed chamber, 6-combustion chamber, 7-hot-blast main support
8-hot blast riser support, 9-hot-blast furnace body, 10-seal diaphragm, 11-steel core concrete column
12-annular or semi-circular gas main 13-branch gas tube
14-annular or semi-circular combustion air house steward 15-combustion air arm
16-annular or semi-circular cold wind house steward 17-cold wind arm
18-hot-blast main, 19-wind mixed chamber support
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Embodiment one, two
Figure 10 is the plan structure synoptic diagram of the blast furnace Cowper stove system of triangular arrangement of the present utility model; Figure 11 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace Cowper stove system of stent-type for the wind mixed chamber of the triangular arrangement of the utility model embodiment one; Figure 12 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace Cowper stove system of flooring for the wind mixed chamber of the triangular arrangement of the utility model embodiment two.
Shown in Figure 10,11, the wind mixed chamber of the triangular arrangement of embodiment one of the present utility model is that the blast furnace Cowper stove system of stent-type comprises three hot-blast furnace bodies 9 and be linked in sequence respectively hot blast manifold 1, hot blast manifold FlexbleJoint 2 and hot blast valve 3 on three hot-blast furnace bodies, also comprise a wind mixed chamber 5 that is connected with described blast furnace, wind mixed chamber 5 supports on the ground by wind mixed chamber's support 19.9 one-tenth equilateral triangles of three hot-blast furnace bodies arrange that the center of three hot-blast furnace bodies 9 lays respectively at a leg-of-mutton summit, and wind mixed chamber 5 is centered close to the described leg-of-mutton circumscribed circle center of circle.Every hot-blast furnace body 9 all is connected with described wind mixed chamber 5 by coupled hot blast manifold 1, hot blast manifold FlexbleJoint 2 and hot blast valve 3.Hot blast enters by hot blast manifold 1, hot blast manifold FlexbleJoint 2, the hot blast valve 3 that is located at hot-blast furnace body 9 one sides and is positioned at described trilateral intermediary wind mixed chamber 5 and is sent to blast furnace.The top of wind mixed chamber 5 is provided with a crane that can rotate 360 °.Set up annular or semi-circular gas main 12 and combustion air house steward 14 around wind mixed chamber 5, be laid with branch gas tube 13 and combustion air arm 15 burner (not shown) to every hot-blast furnace body 9 respectively downwards again to hot-blast furnace body 9 from gas main 12 and combustion air house steward 14.Set up annular or semi-circular cold wind house steward 16 around wind mixed chamber 5, be laid with the cold wind arm 17 of every hot-blast furnace body 9 and the cold air inlet (not shown) that the cold blast valve (not shown) arrives the regenerator bottom of described hot-blast furnace body 9 downwards.
Shown in Figure 10,12, the wind mixed chamber of the triangular arrangement of embodiment two of the present utility model is that the wind mixed chamber of the triangular arrangement of the blast furnace Cowper stove system of flooring and embodiment one is that the difference of the blast furnace Cowper stove system of stent-type is: replace wind mixed chamber's supports 19 with steel core concrete column 11, wind mixed chamber 5 supports on the ground by steel core concrete column 11, and a seal diaphragm 10 is arranged between wind mixed chamber 5 and the steel core concrete column 11; The housing of three hot-blast furnace bodies 9 is provided with a ring-shaped guide rail, and electric hoist is housed on the guide rail.All the other are all identical with embodiment one.
Embodiment three, four
Figure 13 is the plan structure synoptic diagram of the blast furnace outside combustion stove system of triangular arrangement of the present utility model; Figure 14 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace outside combustion stove system of stent-type for the wind mixed chamber of the triangular arrangement of the utility model embodiment three; Figure 15 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace outside combustion stove system of flooring for the wind mixed chamber of the triangular arrangement of the utility model embodiment four.
The wind mixed chamber of the triangular arrangement of the utility model embodiment three, four is that the wind mixed chamber of the triangular arrangement of the blast furnace outside combustion stove system of stent-type or flooring and the utility model embodiment one, two is that the difference of the blast furnace Cowper stove system of stent-type or flooring only is: the combustion chamber 6 of every hot-blast furnace body 9 is positioned at outside the hot-blast furnace body 9, and the combustion chamber 6 of every hot-blast furnace body 9 all is connected with wind mixed chamber 5 by coupled hot blast manifold 1, hot blast manifold FlexbleJoint 2 and hot blast valve 3.All the other are identical with embodiment one, two respectively.
Embodiment five, six
Figure 16 is the plan structure synoptic diagram of the blast furnace top combustion stove system of triangular arrangement of the present utility model; Figure 17 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace top combustion stove system of stent-type for the hot blast vertical tube of the triangular arrangement of the utility model embodiment five; Figure 18 is the main TV structure synoptic diagram (only showing two hotblast stoves among the figure) of the blast furnace top combustion stove system of flooring for the hot blast vertical tube of the triangular arrangement of the utility model embodiment six.
The hot blast vertical tube of the triangular arrangement of the utility model embodiment five, six is that the wind mixed chamber of the triangular arrangement of the blast furnace top combustion stove system of stent-type or flooring and the utility model embodiment one, two is that the difference of the blast furnace Cowper stove system of stent-type or flooring only is: hot-blast furnace body 9 is higher with the junction of hot blast manifold 1, replaced wind mixed chamber 5 with hot blast vertical tube 4, replaced wind mixed chamber's support 19 with hot blast riser support 8, replaced guide rail and electric hoist with the crane that can rotate 360 °, all the other are identical with embodiment one, two respectively.
The above only is a part preferred embodiment of the present utility model.The utility model can also have various variations.As, the blast-furnace hot-air furnace system can be arranged by isosceles triangle or right-angle triangle; Between three hot-blast furnace bodies and hot blast vertical tube or the wind mixed chamber the different platform of several layer heights can be set, link to each other to walk ladder between each platform.All equivalent arrangements of being done according to the utility model claim change, all in protection domain of the present utility model.
Claims (9)
1, a kind of blast-furnace hot-air furnace system of triangular arrangement, comprise three hot-blast furnace bodies and the hot blast manifold on three hot-blast furnace bodies or its combustion chamber of being linked in sequence respectively, hot blast manifold FlexbleJoint and hot blast valve, it is characterized in that also comprising a hot blast vertical tube or a wind mixed chamber that is connected with described blast furnace, described three hot-blast furnace body triangulatioies are arranged, the center of three hot-blast furnace bodies lays respectively at a leg-of-mutton summit, described hot blast vertical tube or wind mixed chamber are positioned at described leg-of-mutton centre, and described every hot-blast furnace body or its combustion chamber are by coupled hot blast manifold, the hot blast manifold FlexbleJoint all is connected with described hot blast vertical tube or wind mixed chamber with hot blast valve.
2, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1 is characterized in that described trilateral is equilateral triangle, isosceles triangle or right-angle triangle.
3, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1 is characterized in that the described leg-of-mutton circumscribed circle of being centered close to of described hot blast vertical tube or the wind mixed chamber center of circle.
4, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1, it is characterized in that described hot blast vertical tube or wind mixed chamber be stent-type or flooring.
5, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1 is characterized in that the top of described hot blast vertical tube or wind mixed chamber is provided with a crane that can rotate 360 °.
6, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1 is characterized in that the housing of described three hot-blast furnace bodies is provided with a ring-shaped guide rail, on the described guide rail electric hoist is housed.
7, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1 is characterized in that being provided with the different platform of several layer heights between described three hot-blast furnace bodies and hot blast vertical tube or the wind mixed chamber, links to each other to walk ladder between the described platform.
8, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1, it is characterized in that having set up annular or semi-circular gas main and combustion air house steward, be laid with branch gas tube and combustion air arm burner to described every hot-blast furnace body respectively up or down again to described hot-blast furnace body from described gas main and combustion air house steward around described hot blast vertical tube or wind mixed chamber.
9, the blast-furnace hot-air furnace system of triangular arrangement according to claim 1, it is characterized in that having set up annular or semi-circular cold wind house steward, be laid with the cold wind arm of every hot-blast furnace body and the cold air inlet that cold blast valve arrives the regenerator bottom of described hot-blast furnace body downwards around described hot blast vertical tube or wind mixed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342449U CN201265021Y (en) | 2008-09-19 | 2008-09-19 | Triangle disposed blast furnace hot blast stove system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342449U CN201265021Y (en) | 2008-09-19 | 2008-09-19 | Triangle disposed blast furnace hot blast stove system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265021Y true CN201265021Y (en) | 2009-07-01 |
Family
ID=40831387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201342449U Expired - Fee Related CN201265021Y (en) | 2008-09-19 | 2008-09-19 | Triangle disposed blast furnace hot blast stove system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265021Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415629A (en) * | 2011-03-09 | 2013-11-27 | 杰富意钢铁株式会社 | Hot-blast branch pipe structure of blast furnace hot stove and hot-blast branch pipe |
| CN104006527A (en) * | 2014-06-06 | 2014-08-27 | 芜湖三峰节能设备有限公司 | Flue gas generator for preparing qualified drying agent through effective intelligent combustion |
| CN106702061A (en) * | 2016-12-09 | 2017-05-24 | 北京首钢国际工程技术有限公司 | Arrangement method for top combustion hot blast stoves |
| CN113234878A (en) * | 2021-04-15 | 2021-08-10 | 北京科技大学 | Continuous blast system and continuous blast method for blast furnace without blowing down after damage |
| CN113234877A (en) * | 2021-04-15 | 2021-08-10 | 北京科技大学 | Blast furnace uniform blast system and method capable of reducing thermal shock |
-
2008
- 2008-09-19 CN CNU2008201342449U patent/CN201265021Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415629A (en) * | 2011-03-09 | 2013-11-27 | 杰富意钢铁株式会社 | Hot-blast branch pipe structure of blast furnace hot stove and hot-blast branch pipe |
| CN103415629B (en) * | 2011-03-09 | 2015-10-07 | 杰富意钢铁株式会社 | The hot blast manifold construction method of blast funnace hot blast stove and hot blast manifold |
| CN104006527A (en) * | 2014-06-06 | 2014-08-27 | 芜湖三峰节能设备有限公司 | Flue gas generator for preparing qualified drying agent through effective intelligent combustion |
| CN106702061A (en) * | 2016-12-09 | 2017-05-24 | 北京首钢国际工程技术有限公司 | Arrangement method for top combustion hot blast stoves |
| CN113234878A (en) * | 2021-04-15 | 2021-08-10 | 北京科技大学 | Continuous blast system and continuous blast method for blast furnace without blowing down after damage |
| CN113234877A (en) * | 2021-04-15 | 2021-08-10 | 北京科技大学 | Blast furnace uniform blast system and method capable of reducing thermal shock |
| CN113234877B (en) * | 2021-04-15 | 2022-03-15 | 北京科技大学 | Blast furnace uniform blast system and method capable of reducing thermal shock |
| CN113234878B (en) * | 2021-04-15 | 2022-04-29 | 北京科技大学 | Continuous blast system and continuous blast method for blast furnace without blowing down after damage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |