CN204308152U - The novel level and smooth burner of continuous casting billet flame descaling machine - Google Patents
The novel level and smooth burner of continuous casting billet flame descaling machine Download PDFInfo
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- CN204308152U CN204308152U CN201420503936.1U CN201420503936U CN204308152U CN 204308152 U CN204308152 U CN 204308152U CN 201420503936 U CN201420503936 U CN 201420503936U CN 204308152 U CN204308152 U CN 204308152U
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Abstract
The utility model relates to the novel level and smooth burner of a kind of continuous casting billet flame descaling machine, be made up of workpiece preheating block and boots block under workpiece preheating block, jet-flow on oxygen and blast tube base, oxygen and jet-flow, on oxygen and jet-flow, under workpiece preheating block, jet-flow, workpiece preheating block and boots block are arranged on oxygen and blast tube base, with bolts, form novel level and smooth burner parts, whole novel level and smooth burner parts adopt bolt to be arranged on the distributor of hot scarfing machine body.Blast tube and oxygen channel is provided with in oxygen and blast tube base, oxygen and jet-flow are provided with oxygen channel and blast tube in workpiece preheating block, be provided with blast tube in workpiece preheating block under jet-flow, on oxygen and jet-flow, under workpiece preheating block and jet-flow, workpiece preheating block is combined to form an oxygen groove.Under jet-flow, workpiece preheating block jet orifice adopts steady flow condition structure.The utility model is novel, and structure is simple, reliable, and combustion gas and oxygen flow field are stablized, the continuous casting billet surface smoothing after hot scarfing machine, fairing.
Description
Technical field
The utility model belongs to metallurgical technology field, is specifically related to the novel level and smooth burner of a kind of continuous casting billet flame descaling machine.
Background technology
Current continuous casting billet blemish is modal mass defect during continuous casting billet is produced.The blemish of continuous casting billet can cause and occur that slab sticks up the quality problems such as skin, perforation at follow-up rolling process, has a strong impact on the quality of finished product, causes serious mass loss.Therefore, before continuous casting billet enters subsequent handling, adopt hot scarfing machine the blemish of continuous casting billet to be removed, it is very important for obtaining high-quality surface quality of continuously cast slab.
Can leave furrow on continuous casting billet surface after traditional hot scarfing machine burner cleaning, the furrow on continuous casting billet surface can make finished surface produce aberration in rolling process, cannot meet the demand of high-end user.Although traditional hot scarfing machine burner eliminates the defect on most of continuous casting billet surface, the furrow after cleaning creates again new defect.The novel level and smooth burner of a kind of continuous casting billet flame descaling machine successfully solves this problem, and the casting billet surface after adopting the novel level and smooth burner of continuous casting billet flame descaling machine to clear up is very level and smooth, fairing, greatly improves product quality.
Summary of the invention
The purpose of this utility model is to provide a kind of continuous casting billet flame descaling machine novel level and smooth burner.
The novel level and smooth burner of a kind of continuous casting billet flame descaling machine that the utility model proposes, be made up of workpiece preheating block 3 and boots block 2 under workpiece preheating block 4, jet-flow on oxygen and blast tube base 1, oxygen and jet-flow, wherein: in oxygen and blast tube base 1, be provided with blast tube 5, oxygen channel 6, blast tube 7 and oxygen channel 8, for by workpiece preheating block 3 under workpiece preheating block 4 on oxygen and fuel gas transmission to oxygen and jet-flow and jet-flow; Oxygen and jet-flow are provided with oxygen jet hole 12 and jet-flow hole 11 in workpiece preheating block 4, for by combustion gas and oxygen spray to casting billet surface; Be provided with jet-flow hole 9 in workpiece preheating block 3 under jet-flow, for by fuel gas injection to casting billet surface; On oxygen and jet-flow, under workpiece preheating block 4 and jet-flow, between workpiece preheating block 3, space forms an oxygen groove 10, for oxygen pure for large discharge is delivered to casting billet surface; On oxygen and jet-flow, under workpiece preheating block 4, jet-flow, workpiece preheating block 3 and boots block 2 are arranged on oxygen and blast tube base 1, with bolts, form novel level and smooth burner parts; Boots block 2 supports this whole novel level and smooth burner and slides at casting billet surface; Described blast tube 5 is communicated with jet-flow hole 9, oxygen channel 6 is communicated with oxygen groove 10, blast tube 7 is communicated with jet-flow hole 11, and oxygen channel 8 is communicated with oxygen jet hole 12, and whole novel level and smooth burner parts adopt bolt to be arranged on the distributor of hot scarfing machine body.
In the utility model, under jet-flow, jet-flow hole 9 outlet of workpiece preheating block 3 arranges current stabilization platform 13, and current stabilization platform 13 degree of depth is 15 ~ 22 millimeters.
The beneficial effects of the utility model are: under jet-flow, workpiece preheating block adopts stable flow field structure, and the surface quality of continuously cast slab after cleaning is very level and smooth, fairing, greatly improves cc billet surface quality.The novel level and smooth burner that this invention proposes is for normal temperature continuous casting billet and high-temperature continuous casting blank all can be cleared up, operating rate is high, meet large-scale production.Greatly reduce hand labor intensity, improve operating environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Number in the figure: 1 be oxygen and blast tube base, 2 be boots block, 3 be blast tube, 6 be oxygen channel, 7 be blast tube, 8 be oxygen channel, 9 be jet-flow hole, 10 be oxygen groove, 11 be jet-flow hole, 12 be oxygen jet hole, 13 be current stabilization platform for workpiece preheating block, 5 on workpiece preheating block, 4 oxygen and jet-flow under jet-flow.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As shown in Figure 1, this device is by oxygen and blast tube base, workpiece preheating block on oxygen and jet-flow, workpiece preheating block under jet-flow, boots block forms, blast tube 5 is provided with in oxygen and blast tube base, oxygen channel 6, blast tube 7 and oxygen channel 8, oxygen and jet-flow are provided with oxygen jet hole 12 and jet-flow hole 11 in workpiece preheating block, jet-flow hole 9 is provided with in workpiece preheating block under jet-flow, on oxygen and jet-flow, under workpiece preheating block and jet-flow, workpiece preheating block is combined to form an oxygen groove 10, workpiece preheating block on oxygen and jet-flow, under jet-flow, workpiece preheating block and boots block are arranged on oxygen and blast tube base, with bolts, form novel level and smooth burner parts, under its jet-flow, jet-flow hole 9 outlet of workpiece preheating block is provided with current stabilization platform 13, in novel level and smooth burner parts, blast tube 5 is communicated with jet-flow hole 9, oxygen channel 6 is communicated with oxygen groove 10, blast tube 7 is communicated with jet-flow hole 11, oxygen channel 8 is communicated with oxygen jet hole 12, whole novel level and smooth burner parts adopt bolt to be arranged on the distributor of hot scarfing machine body.
The course of work of the present utility model is as follows:
The continuous casting billet end of cleaning is needed to rest near the novel level and smooth burner of continuous casting billet flame descaling machine, first the oxygen in oxygen channel 8 and blast tube 7 and combustion gas form preheat flame respectively through oxygen jet hole 12 and jet-flow hole 11 at continuous casting surfaces, and preheat flame is locally heated to melting state to strand and forms molten bath.Then the large discharge pure oxygen in oxygen channel 6 is injected into molten bath zone through oxygen groove 10, there is violent oxidation reaction in large discharge pure oxygen and molten bath, now continuous casting billet moves forward to promote molten bath advance, boots block againsts the whole novel level and smooth burner of continuous casting billet surface support, the amount of heat that oxidation reaction is released continues the casting billet surface melting strand rear end, combustion gas in blast tube 5 ejects by jet-flow hole 9 oxygen flow field controlling oxygen groove 10 and stablizes, after the whole surface of continuous casting billet is flow through by molten bath, the defect of casting billet surface is removed in the lump along with molten bath.Under jet-flow in workpiece preheating block the stable state of gas outlet directly affect continuous casting billet cleaning after surface quality, jet-flow hole 9 outlet be provided with current stabilization platform 13 stabilize greatly gas outlet flow field stablize.
Claims (2)
1. the novel level and smooth burner of continuous casting billet flame descaling machine, it is characterized in that by oxygen and blast tube base (1), workpiece preheating block (4) on oxygen and jet-flow, workpiece preheating block (3) under jet-flow, boots block (2) forms, blast tube (5) is provided with in oxygen and blast tube base (1), oxygen channel (6), blast tube (7) and oxygen channel (8), oxygen and jet-flow are provided with oxygen jet hole (12) and jet-flow hole (11) in workpiece preheating block (4), jet-flow hole (9) is provided with in workpiece preheating block (3) under jet-flow, on oxygen and jet-flow, workpiece preheating block (4) is combined to form an oxygen groove (10) with workpiece preheating block (3) under jet-flow, workpiece preheating block (4) on oxygen and jet-flow, under jet-flow, workpiece preheating block (3) and boots block (2) are mounted on oxygen and blast tube base (1) respectively by bolt, described blast tube (5) is communicated with jet-flow hole (9), oxygen channel (6) is communicated with oxygen groove (10), blast tube (7) is communicated with jet-flow hole (11), and oxygen channel (8) is communicated with oxygen jet hole (12).
2. the novel level and smooth burner of a kind of continuous casting billet flame descaling machine according to claim 1, it is characterized in that jet-flow hole (9) outlet of workpiece preheating block (3) under jet-flow arranges current stabilization platform (13), current stabilization platform (13) degree of depth is 12 ~ 25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503936.1U CN204308152U (en) | 2014-09-03 | 2014-09-03 | The novel level and smooth burner of continuous casting billet flame descaling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503936.1U CN204308152U (en) | 2014-09-03 | 2014-09-03 | The novel level and smooth burner of continuous casting billet flame descaling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308152U true CN204308152U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420503936.1U Active CN204308152U (en) | 2014-09-03 | 2014-09-03 | The novel level and smooth burner of continuous casting billet flame descaling machine |
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| CN (1) | CN204308152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420817A (en) * | 2017-08-21 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of the burner pore structure and its clinker removal method of hot scarfing machine |
| CN113798461A (en) * | 2021-11-08 | 2021-12-17 | 上海东震冶金工程技术有限公司 | Molten pool retainer of continuous casting billet scarfing machine |
-
2014
- 2014-09-03 CN CN201420503936.1U patent/CN204308152U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420817A (en) * | 2017-08-21 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of the burner pore structure and its clinker removal method of hot scarfing machine |
| CN109420817B (en) * | 2017-08-21 | 2020-12-22 | 宝山钢铁股份有限公司 | Burner nozzle hole structure of flame cleaning machine and slag cleaning method thereof |
| CN113798461A (en) * | 2021-11-08 | 2021-12-17 | 上海东震冶金工程技术有限公司 | Molten pool retainer of continuous casting billet scarfing machine |
| CN113798461B (en) * | 2021-11-08 | 2023-01-24 | 上海东震冶金工程技术有限公司 | Molten pool retainer of continuous casting billet scarfing machine |
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