CN102851440A - Mounting structure of furnace crown and mouth water inlet tubes - Google Patents
Mounting structure of furnace crown and mouth water inlet tubes Download PDFInfo
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- CN102851440A CN102851440A CN2012103101024A CN201210310102A CN102851440A CN 102851440 A CN102851440 A CN 102851440A CN 2012103101024 A CN2012103101024 A CN 2012103101024A CN 201210310102 A CN201210310102 A CN 201210310102A CN 102851440 A CN102851440 A CN 102851440A
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Abstract
The invention discloses a mounting structure of furnace crown and mouth water inlet tubes. The mounting structure comprises a rotary water tank and a plurality of water conduits, wherein the water conduits are respectively connected with a furnace crown and a furnace mouth; each of the water conduits is connected with a total water inlet tube, and is connected with the rotary water tank through the total water inlet tube. By adopting the above technical scheme, one total water inlet tube substitutes seven pipelines, so cooling needs are satisfied through cooing the furnace mouth and the furnace crown under tube diameter increase and flow guarantee conditions; pipeline damage faults caused by the accumulation of steel slag at positions unprotected by a petticoat plate are avoided, so the damage of cooling water tubes brought by the friction and the extrusion of the steel slag is solved; the obstruction of small foreign materials to small pipelines can be effectively prevented; a bend is arranged on the total tube, so the micro relative displacement of the total tube at a high temperature is allowed; and the total tube is directly connected to the large-tube-diameter pipeline of the water tank, so the welding of the water tank and the total tube can be carried out, thereby the firm welding of craters is guaranteed.
Description
Technical field
The invention belongs to the technical field that metallurgical industry is produced, relate to the cooling water inlet system of converter body, more particularly, the present invention relates to a kind of mounting structure of furnace crown fire door water inlet pipe.
Background technology
Illustrated in figures 1 and 2 as in this specification sheets:
The cooling water inlet system of converter body 1 is comprised of move about side water distribution disc spins joint, rotation water tank 2, five furnace crown aqueducts 4 and two fire door aqueducts 4 of converter.The converter water coolant enters the rotation water tank by the swivel joint water intaking valve, from rotation water tank arrange out seven water pipes (two fire door water pipes, five furnace crown water pipes) accesses furnace crown and fire door, to reaching the cooling to fire door and furnace crown.
Although seven water pipes from water tank to the cooling position reach the cooling requirement, along with production is carried out, the slag that fire door flows out flows to pipe seam along the skirt cover plate, rotation along with body of heater, slag is back and forth friction between pipe seam, clamp-ons pipe seam such as the bulk slag, more can cause pipeline to squeeze bad.Because pipeline is blocked by slag substantially, deal with difficulty and strengthen.Increase temperature again the interior steam of body of heater pipeline very large, bring very large difficulty to processing especially.
Summary of the invention
The invention provides a kind of mounting structure of furnace crown fire door water inlet pipe, its objective is and avoid slag between pipeline, to pile up the fault of the conduit failure that causes.
To achieve these goals, the technical scheme taked of the present invention is:
The mounting structure of furnace crown fire door water inlet pipe provided by the present invention, comprise rotation water tank, a plurality of aqueduct, described aqueduct is connected with described furnace crown, fire door respectively, and described aqueduct all is connected with water inlet manifold, is connected with described rotation water tank by described water inlet manifold again.
The quantity of described aqueduct is seven, and wherein two are connected with described fire door, and other five are connected with described furnace crown.
Described water inlet manifold is provided with an elbow, and described elbow is the bending of " Z " font.
The cross-sectional area of described water inlet manifold is greater than the cross-sectional area sum of all aqueducts.
The present invention adopts technique scheme, utilizes a water inlet manifold to replace seven pipelines, in the situation that increase caliber, assurance flow, realizes the cooling needs are satisfied in fire door, furnace crown cooling; Only do a little at pipeline and caliber and change, avoid the protection of skirt cover plate less than the position slag between pipeline, pile up and the fault of the conduit failure that causes, solved the infringement that the slag friction and Extrusion is brought water-cooled tube; Effectively the interior little foreign material of prevention water tank are to the obstruction of little pipeline; At pipeline elbow is set, allows pipeline that the relative displacement of trace is at high temperature arranged; Directly receive the pipeline of the Large Diameter Pipeline of water tank, can carry out the welding of water tank and pipeline, guarantee that the weld bond welding is firm.
Description of drawings
The below is briefly described the expressed content of each width of cloth accompanying drawing of this specification sheets and the mark among the figure:
Fig. 1 is the position schematic diagram of furnace crown fire door water-cooled tube on whole body of heater that the present invention relates to, and wherein the structure at A place is the structure that represents among Fig. 2 and Fig. 3;
The structural representation of Fig. 2 for relating in this specification sheets background technology;
Fig. 3 is structural representation of the present invention.
Be labeled as among the figure:
1, body of heater, 2, the rotation water tank, 3, water inlet manifold, 4, aqueduct, 5, elbow,
Embodiment
The below contrasts accompanying drawing, and the description by to embodiment is described in further detail the specific embodiment of the present invention, to help those skilled in the art inventive concept of the present invention, technical scheme is had more complete, accurate and deep understanding.
Fig. 1 is furnace crown, the station diagram of fire door water-cooled tube in whole body of heater 1; The Working environment of furnace crown, fire door water inlet is described.
The claimed technical scheme of the present invention relates to the mounting structure of a kind of BOF Hood, fire door water.Such as the mounting structure of the expressed furnace crown fire door water inlet pipe of the present invention of Fig. 3, comprise rotation water tank 2, a plurality of aqueduct 4, described aqueduct 4 is connected with described furnace crown, fire door respectively.
In order to solve the problem that prior art exists and to overcome its defective, realize avoiding slag between pipeline, to pile up the goal of the invention of the fault of the conduit failure that causes, the technical scheme that the present invention takes is:
As shown in Figure 3, the mounting structure of furnace crown fire door water inlet pipe provided by the present invention, described aqueduct 4 all is connected with water inlet manifold 3, is connected with described rotation water tank 2 by described water inlet manifold 3 again.
The mounting structure of furnace crown fire door water inlet pipe provided by the invention has adopted a water inlet pipe that satisfies the caliber of traffic requirement, utilizes water inlet manifold 3 pipelines to replace many pipelines.Guarantee flow with the increase caliber.Therefore, the invention solves the infringement that the slag friction and Extrusion is brought water-cooled tube, the installation of BOF Hood, fire door water inlet pipe is just done a little change at the pipeline caliber, realizes fire door, furnace crown cooling; Adopt to reduce the protection of skirt cover plate less than the water-cooled tube quantitative approach of position, avoid the protection of skirt cover plate less than the position slag between pipeline, pile up the fault of the conduit failure that causes.
Comparison diagram by before and after Fig. 2 and Fig. 3 concrete transformation the of the present invention illustrates prior art and the comparison of the present invention of the water inlet of furnace crown fire door.
The quantity of described aqueduct 4 is seven, and wherein two are connected with described fire door, and other five are connected with described furnace crown.
By increasing caliber, guarantee flow, reduce the protection of skirt cover plate less than the water-cooled tube quantity of position, thereby guarantee cooling performance, realize the water pipe environment change, avoid fault to occur.
Directly receive the pipeline of the Large Diameter Pipeline of water tank, can effectively prevent the interior little foreign material of water tank to the obstruction of little pipeline.
Concrete making method is: original water tank, seven water inlet pipes are removed, recomputated and make pipeline and water tank; Carry out the welding of water tank and pipeline, guarantee that the weld bond welding is firm; Water flowing checks weld seam, weld bond; Detect backwater temperature difference, guarantee cooling performance.
Described water inlet manifold 3 is provided with an elbow 5, and described elbow 5 is the bending of " Z " font.Do elbow at pipeline, given pipeline because the activity coefficient of high temperature and relative displacement allows pipeline that the relative displacement of trace is at high temperature arranged.In the pipeline welding process, make elbow at pipeline.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (4)
1. the mounting structure of a furnace crown fire door water inlet pipe, comprise rotation water tank (2), a plurality of aqueduct (4), described aqueduct (4) is connected with described furnace crown, fire door respectively, it is characterized in that: described aqueduct (4) all is connected with water inlet manifold (3), is connected with described rotation water tank (2) by described water inlet manifold (3) again.
2. according to the mounting structure of furnace crown fire door water inlet pipe claimed in claim 1, it is characterized in that: the quantity of described aqueduct (4) is seven, and wherein two are connected with described fire door, and other five are connected with described furnace crown.
3. according to the mounting structure of claim 1 or 2 described furnace crown fire door water inlet pipes, it is characterized in that: described water inlet manifold (3) is provided with an elbow (5), and described elbow (5) is the bending of " Z " font.
4. according to the mounting structure of claim 1 or 2 described furnace crown fire door water inlet pipes, it is characterized in that: the cross-sectional area of described water inlet manifold (3) is greater than the cross-sectional area sum of all aqueducts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310102.4A CN102851440B (en) | 2012-08-28 | 2012-08-28 | Mounting structure of furnace crown and mouth water inlet tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310102.4A CN102851440B (en) | 2012-08-28 | 2012-08-28 | Mounting structure of furnace crown and mouth water inlet tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102851440A true CN102851440A (en) | 2013-01-02 |
| CN102851440B CN102851440B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210310102.4A Active CN102851440B (en) | 2012-08-28 | 2012-08-28 | Mounting structure of furnace crown and mouth water inlet tubes |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592653Y (en) * | 2002-12-27 | 2003-12-17 | 宝钢集团上海第一钢铁有限公司 | Split converter fire door water tank |
| CN1635689A (en) * | 2003-12-31 | 2005-07-06 | 中国科学院电工研究所 | Internal cooling loop of rotary motor rotor |
| CN201650756U (en) * | 2010-02-05 | 2010-11-24 | 姜丰章 | Centrifugal water pump with automatic water drawing device |
| CN102061354A (en) * | 2011-01-27 | 2011-05-18 | 马鞍山钢铁股份有限公司 | Water-cooling furnace opening structure of converter |
| CN202849475U (en) * | 2012-08-28 | 2013-04-03 | 芜湖新兴铸管有限责任公司 | Installing structure for water inlet pipe of furnace cap and furnace mouth |
-
2012
- 2012-08-28 CN CN201210310102.4A patent/CN102851440B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592653Y (en) * | 2002-12-27 | 2003-12-17 | 宝钢集团上海第一钢铁有限公司 | Split converter fire door water tank |
| CN1635689A (en) * | 2003-12-31 | 2005-07-06 | 中国科学院电工研究所 | Internal cooling loop of rotary motor rotor |
| CN201650756U (en) * | 2010-02-05 | 2010-11-24 | 姜丰章 | Centrifugal water pump with automatic water drawing device |
| CN102061354A (en) * | 2011-01-27 | 2011-05-18 | 马鞍山钢铁股份有限公司 | Water-cooling furnace opening structure of converter |
| CN202849475U (en) * | 2012-08-28 | 2013-04-03 | 芜湖新兴铸管有限责任公司 | Installing structure for water inlet pipe of furnace cap and furnace mouth |
Non-Patent Citations (1)
| Title |
|---|
| 苏文淦 等: "转炉本体水冷配管管路改进", 《冶金设备》 * |
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| CN102851440B (en) | 2015-01-28 |
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