CN204676113U - A kind of slag blocking stopper for steel tapping from converter head - Google Patents
A kind of slag blocking stopper for steel tapping from converter head Download PDFInfo
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- CN204676113U CN204676113U CN201520355538.4U CN201520355538U CN204676113U CN 204676113 U CN204676113 U CN 204676113U CN 201520355538 U CN201520355538 U CN 201520355538U CN 204676113 U CN204676113 U CN 204676113U
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- slag
- converter
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- tap hole
- tapping
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Abstract
The utility model relates to a kind of slag blocking stopper for steel tapping from converter head, comprise slag retaining cap (1) and supporting cone (2), slag retaining cap (1) is directly inserted in supporting cone (2), it is characterized in that, described slag retaining cap (1) outside is refractory materials, and front end is centrum shape.Before converter tapping, pushing off the slag chock plug blocks tap hole; After molten steel face exceeds tap hole certain distance, pushing off the slag chock plug moves apart tap hole, allows converter molten steel flow out; When the converter tapping later stage starts have slag to flow out, pushing off the slag chock plug blocks tap hole, prevents slag from flowing out; Shake after slag can not flow out the height of tap hole along with converter rotates just shaking or is rotating, pushing off the slag chock plug lifts, in case slag clings pushing off the slag chock plug, waits for next for subsequent use.Slag blocking stopper for steel tapping from converter head described in the utility model can be used for the pushing off the slag in converter tapping early stage and later stage, increases substantially Converter Skimming effect, obviously improves steel quality and recovery rate.
Description
Technical field
The utility model relates to converter steeling technology field, particularly relates to a kind of slag blocking stopper for steel tapping from converter head.
Background technology
Converter can produce a large amount of slags in converting process, and in slag, content has ferric oxide, phosphorus oxide etc., therefore requires when tapping that reducing slag as far as possible brings in ladle, otherwise the recovery rate of metal and steel quality when can affect molten steel alloying.For this reason, Converter Skimming is very important step in steelmaking process.The method of development and application has built-in method as pushing off the slag ball, slag stop cone method, slag blocking dart method etc. at present, and external pushing off the slag method has slide plate shelves slag method, pneumatic dreg blocking method etc.The form of the blocking tap hole that different slag stopping methods adopts is all not identical: pushing off the slag ball relies on slag-blocking ball in stove, to get lodged in the tap hole pushing off the slag inside converter in the tapping later stage, slag stop cone method relies on slag stop cone in stove, to insert the tap hole pushing off the slag inside converter in the tapping later stage, slide plate pushing off the slag method adopts the sled mechanism of installing outside converter by closing the pushing off the slag of slip cage plate, and the slag in tapping later stage is got lodged in tap hole by winding-up high-speed gas by pneumatic dreg blocking method.All there is many shortcomings in these methods: the use cost had is high, the complex operation that has, the result of use that has are poor.As, though the method for throwing in slag-blocking ball has the simple advantage of equipment, because environment is relatively more severe, operative's labour intensity is larger, and pushing off the slag effect is also bad.And the technology inserting slag stop cone is by the tap hole place insertion slag stop cone of Slag pushing-off vehicle to converter, its effect makes moderate progress compared with input slag-blocking ball, but cost compare is high, does not still solve the problem of poor working environment; Slide plate pushing off the slag method, it can realize automatic catch slag operation, but the life-span of slide plate is short.Because slide plate is heavy, converter site environment is poor, adds replacing difficulty and the replacing construction of slide plate, production efficiency is made a big impact.Pneumatic dreg blocking method, the large and structure also more complicated of device volume, institute takes up space large, and with high costs, though blocked slag liquid, ensure that the pure of molten steel, in converter, remaining molten steel is more, and molten steel recovery rate is low, causes waste.Particularly most slag stopping method can only keep off the slag in steel later stage, and cannot keep off the slag in steel early stage, causes the slag amount entered in ladle large.Some steel mills in order to improve pushing off the slag effect, adopt two kinds of pushing off the slag methods (slide plate pushing off the slag and slag stop cone pushing off the slag) with the use of, improve pushing off the slag effect, but be the increase in running cost and labour intensity.
Utility model content
In view of above-mentioned analysis, the utility model aims to provide a kind of slag blocking stopper for steel tapping from converter head, in order to solve prior art only for the pushing off the slag in converter later stage, pushing off the slag weak effect, and steel quality and the low problem of recovery rate.
The purpose of this utility model is mainly achieved through the following technical solutions:
A kind of slag blocking stopper for steel tapping from converter head, comprise slag retaining cap (1) and supporting cone (2), slag retaining cap (1) is directly inserted in supporting cone (2), it is characterized in that, described slag retaining cap (1) outside is refractory materials, and front end is centrum shape.
Adopt between slag retaining cap (1) with supporting cone (2) be mechanically connected or caking agent bonding.
Described slag retaining cap (1) comprise adopt roll of steel plate to be welded into conical support cap (8), be welded on the anchor stock (7) on conical support cap (8) and be cast in the refractory materials (6) be welded with on the support cap (8) of anchor stock (7) at regular intervals.
Described supporting cone (2) is made up of cast iron or steel, and bottom is provided with screwed hole of centre (3), for inserting mounting block (4), adopts rotation mode to be fixed on translation bar (5) by pushing off the slag chock plug.
During pushing off the slag, slag retaining cap (1), towards converter taphole, under the flexible of translation bar (5) and lift action, get lodged on tap hole and prevents slag from flowing out.
Before converter tapping, pushing off the slag chock plug blocks tap hole; When converter tilts to after slag liquid level exceeds tap hole certain altitude, pushing off the slag chock plug moves apart tap hole; When the converter tapping later stage starts have slag to flow out, pushing off the slag chock plug blocks tap hole; Shake after slag can not flow out the height of tap hole along with converter rotates just shaking or rotating, pushing off the slag chock plug lifts.
The utility model beneficial effect is as follows:
Converter Skimming chock plug of the present utility model, simultaneously for converter tapping early stage and the pushing off the slag in later stage, can increase substantially Converter Skimming effect, obviously improves steel quality and recovery rate.Because slag retaining cap (1) is deflection type, and supporting cone (2) is permanent type, and slag retaining cap (1) can Reusability, thus its use cost is very low, has good economic benefit.Because pushing off the slag chock plug adopts the mode of integral replacing, supporting cone (2) lower central has threaded hole (3), threadedly be connected with the mounting block (4) of outboard slag-blocking apparatus, its replacing is simple, convenient and rapid, can meet and produce the online needs changed.
Other feature and advantage of the present utility model will be set forth in the following description, and, becoming apparent from specification sheets of part, or understand by implementing the utility model.The purpose of this utility model and other advantages realize by structure specifically noted in write specification sheets, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing only for illustrating the object of specific embodiment, and is not thought restriction of the present utility model, and in whole accompanying drawing, identical reference symbol represents identical parts.
Fig. 1 is pushing off the slag chock plug service condition schematic diagram of the present utility model;
Fig. 2 is the slag retaining cap structural representation of pushing off the slag chock plug of the present utility model;
Fig. 3 is the support vertebral body structure schematic diagram of pushing off the slag chock plug of the present utility model.
In figure, the translation bar of 1 slag retaining cap, 2 supporting cone, 3 threaded holes, 4 mounting blocks, 5 outboard slag-blocking apparatuss, 6 refractory materialss, 7 anchor stocks, 8 conical support caps.
Embodiment
Specifically describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, wherein, accompanying drawing forms the application's part, and is used from embodiment one of the present utility model and explains principle of the present utility model.
As shown in Figure 1, pushing off the slag chock plug of the present utility model, comprise slag retaining cap (1) and supporting cone (2), slag retaining cap (1) is directly inserted in supporting cone (2), adopt between slag retaining cap (1) with supporting cone (2) be mechanically connected or caking agent bonding.
As shown in Figure 2, described slag retaining cap (1) front end is centrum shape, comprises the conical support cap (8), at regular intervals (20mm-40mm) that adopt roll of steel plate to be welded into and is welded on the Y-shaped anchor stock (7) on conical support cap (8) and is cast in the refractory materials (6) be welded with on the support cap (8) of anchor stock (7).The conical support cap (8) adopting roll of steel plate to be welded into welds anchor stock (7) at regular intervals for fixing refractory materials (6), mould placed by conical support cap (8), refractory materials (6) is cast in and is welded with on the support cap (8) of anchor stock (7), and improve volume density by vibratory compaction.By for subsequent use after super-dry baking processing for shaping slag retaining cap (1).
Because slag retaining cap (1) outside is refractory materials, there is the effect of higher high temperature resistance, and front end is centrum shape, therefore the seriousness problem of dry slag is in use reduced, even if there is the phenomenon of surperficial steel bonding slag, also can Reusability, do not affect pushing off the slag effect.
As shown in Figure 3, described supporting cone (2) is made up of cast iron or steel, bottom is provided with screwed hole of centre (3), for inserting mounting block (4), adopts rotation mode to be fixed on translation bar (5) by pushing off the slag chock plug.
During pushing off the slag, slag retaining cap (1), towards converter taphole, under the flexible of translation bar (5) and lift action, get lodged on tap hole and prevents slag from flowing out.
Before converter tapping, pushing off the slag chock plug blocks tap hole; When converter tilts to after slag liquid level exceeds tap hole certain altitude, pushing off the slag chock plug moves apart tap hole, allows converter molten steel flow out; When the converter tapping later stage starts have slag to flow out, pushing off the slag chock plug blocks tap hole, prevents slag from flowing out, and along with converter rotates, floating plug is first directly to be got lodged on tap hole; Shake after slag can not flow out the height of tap hole along with converter rotates just shaking or is rotating, pushing off the slag chock plug lifts, in case slag clings pushing off the slag chock plug, waits for next for subsequent use.
In sum, the utility model embodiment provides a kind of slag blocking stopper for steel tapping from converter head, simultaneously for converter tapping early stage and the pushing off the slag in later stage, can increase substantially Converter Skimming effect, obviously improved steel quality and recovery rate.Supporting cone (2) is for forever to use part, and slag retaining cap (1) is consumption part, and slag retaining cap (1) can repeated multiple timesly use, and thus use cost is very low, has good economic benefit.Pushing off the slag chock plug adopts the mode of integral replacing, and supporting cone (2) lower central has threaded hole (3), is threadedly connected with mounting block (4), and its replacing is simple, convenient and rapid, can meet and produce the online needs changed.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a slag blocking stopper for steel tapping from converter head, comprise slag retaining cap (1) and supporting cone (2), slag retaining cap (1) is directly inserted in supporting cone (2), it is characterized in that, described slag retaining cap (1) outside is refractory materials, and front end is centrum shape.
2. slag blocking stopper for steel tapping from converter head according to claim 1, is characterized in that,
Adopt between described slag retaining cap (1) with described supporting cone (2) be mechanically connected or caking agent bonding.
3. slag blocking stopper for steel tapping from converter head according to claim 2, is characterized in that,
Described slag retaining cap (1) comprise adopt roll of steel plate to be welded into conical support cap (8), be welded on the anchor stock (7) on conical support cap (8) and be cast in the refractory materials (6) be welded with on the support cap (8) of anchor stock (7) at regular intervals.
4. slag blocking stopper for steel tapping from converter head according to claim 3, is characterized in that,
Described supporting cone (2) is made up of cast iron or steel, and bottom is provided with screwed hole of centre (3), for inserting mounting block (4), adopts rotation mode to be fixed on translation bar (5) by pushing off the slag chock plug.
5. slag blocking stopper for steel tapping from converter head according to claim 4, is characterized in that,
During pushing off the slag, slag retaining cap (1), towards converter taphole, under the flexible of translation bar (5) and lift action, get lodged on tap hole and prevents slag from flowing out.
6. slag blocking stopper for steel tapping from converter head according to claim 5, is characterized in that,
Before converter tapping, pushing off the slag chock plug blocks tap hole; After molten steel face exceeds tap hole certain distance, pushing off the slag chock plug moves apart tap hole; When the converter tapping later stage starts have slag to flow out, pushing off the slag chock plug blocks tap hole; Shake after slag can not flow out the height of tap hole along with converter rotates just shaking or rotating, pushing off the slag chock plug lifts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355538.4U CN204676113U (en) | 2015-05-28 | 2015-05-28 | A kind of slag blocking stopper for steel tapping from converter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520355538.4U CN204676113U (en) | 2015-05-28 | 2015-05-28 | A kind of slag blocking stopper for steel tapping from converter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204676113U true CN204676113U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520355538.4U Expired - Fee Related CN204676113U (en) | 2015-05-28 | 2015-05-28 | A kind of slag blocking stopper for steel tapping from converter head |
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| CN (1) | CN204676113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538556A (en) * | 2020-11-20 | 2021-03-23 | 南京宝希智能技术有限公司 | Converter molten steel pouring method and converter shaking method for automatic converter steelmaking |
-
2015
- 2015-05-28 CN CN201520355538.4U patent/CN204676113U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538556A (en) * | 2020-11-20 | 2021-03-23 | 南京宝希智能技术有限公司 | Converter molten steel pouring method and converter shaking method for automatic converter steelmaking |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160528 |