CN204455195U - A kind of RH refining furnace soaking tub - Google Patents
A kind of RH refining furnace soaking tub Download PDFInfo
- Publication number
- CN204455195U CN204455195U CN201520061050.0U CN201520061050U CN204455195U CN 204455195 U CN204455195 U CN 204455195U CN 201520061050 U CN201520061050 U CN 201520061050U CN 204455195 U CN204455195 U CN 204455195U
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- layer
- soaking tub
- open holes
- brick
- refining furnace
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Abstract
The utility model discloses a kind of RH refining furnace soaking tub, comprise: body, it comprises steel courage and is separately positioned on the steel courage inside and outside ring brick layer of both sides and flame retardant coating, described ring brick layer forms runner at tubular body, wherein, described ring brick layer comprises at least two-layer annular brick body, and every layer of annular brick body by laterally, longitudinal staggered refractory brick composition, be all connected with groove by the projection matched between described refractory brick is adjacent between two; Argon pipe group; Flange, is provided with open holes group, and described open holes group comprises the first open holes and the second open holes, and described first open holes is set to vertebra shape structure; Joint pin, its vertebra shape structure being set to match with the first open holes is formed soaking tub body to be fixedly connected with body by flange.The utility model provides a kind of RH refining furnace soaking tub, and it has the beneficial effect that physical strength is large, long service life, stability are strong.
Description
Technical field
The utility model relates to a kind of soaking tub used in refining furnace.More particularly, the utility model relates to a kind of soaking tub being used in use in RH refining furnace.
Background technology
Existing RH refining furnace product is for the production of the steel secondary refining tooling of high-quality steel.Whole molten steel metallurgical reaction has in the vacuum tank of refractory lining at block to carry out.The bottom of vacuum tank is the soaking tub of two band refractory linings, and hot-bending pipe is equipped with on top.Before steel treatment, first soaking tub is immersed in pending ladle molten steel.When vacuum tank vacuumizes, the barometric point of molten steel surface forces molten steel to flow in vacuum tank from soaking tub.Two soaking tubs be communicated with vacuum tank, one is upcast, and one is downtake.Because upcast is constantly blown into argon gas to molten steel, relatively do not have the downtake of Argon to create a higher static pressure difference, make molten steel enter from upcast and flow to downtake by vacuum tank bottom, so constantly circulation repeatedly.
Specifically, generally include following structure: ring brick layer and flame retardant coating, and be arranged on steel courage between the two.
But in such an embodiment, due to component ring brick layer Inner Constitution is the runner of molten steel, expanding appears when large heat in ring brick layer, it is caused to be easy to damage, in addition because one end of soaking tub needs to immerse in molten steel, its flame retardant coating is in long-term work, there will be flame retardant coating damage and occur coming off, molten steel is polluted, moreover because the undertighten engaged between ring brick layer, steel courage, flame retardant coating, and occur that soaking tub damages, affect the work-ing life of soaking tub, and cause refining furnace normally to work.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of RH refining furnace soaking tub, and it has the beneficial effect that physical strength is large, long service life, stability are strong.
In order to realize, according to these objects of the present utility model and other advantage, providing a kind of RH refining furnace soaking tub, comprising:
Body, it comprises steel courage and is separately positioned on the steel courage inside and outside ring brick layer of both sides and flame retardant coating, and described ring brick layer forms runner at tubular body, wherein,
Described ring brick layer comprises at least two-layer annular brick body, and every layer of annular brick body forms by horizontal, longitudinal staggered refractory brick, all be connected with groove by the projection matched between described refractory brick is adjacent between two, and outside described flame retardant coating and the inner side of described ring brick layer is provided with fire-resistant coat;
Argon pipe group, it comprises at least two group Argon pipes be oppositely arranged, and described Argon pipe runs through described body and described flow passage;
Flange, is provided with open holes group, and described open holes group comprises arranged transversely with the first open holes be connected with body and the second open holes longitudinally arranged to be fixed on external device (ED), and described first open holes is set to vertebra shape structure;
Joint pin, its vertebra shape structure being set to match with the first open holes is formed soaking tub body to be fixedly connected with body by flange.
Preferably, wherein, also be provided with the first steel mesh that ring brick layer entirety is fixed between the fire-resistant coat that described ring brick layer is adjacent, between the fire-resistant coat that described flame retardant coating is adjacent, be also provided with the second steel mesh that flame retardant coating entirety is fixed.
Preferably, wherein, facing each other of described refractory brick is provided with projection and the groove of the cooperation matched, described projection and at least one mask of groove have wedge structure.
Preferably, wherein, the fire-resistant cast layer of the first corundum and the fire-resistant cast layer of the second corundum is also respectively arranged with between described steel courage and ring brick layer, flame retardant coating.
Preferably, wherein, described joint pin at least side has wedge-like structure, and the larger one end of described joint pin cross section is provided with multiple first clasp with open state.
Preferably, wherein, described Argon pipe comprises the first level pipe being arranged on flame retardant coating inside and the straight tube be connected with the first level pipe, described straight tube is also connected with run through described steel courage and ring brick layer with flow passage the second level pipe.
Preferably, wherein, described body is also staggeredly equipped with at least two rows and strengthens anchor, a side end of described reinforcement anchor has multiple second clasp of open state.
The utility model at least comprises following beneficial effect: the multilayer of one due to ring brick layer and the structure design of uniqueness, therefore the projection matched that refractory brick designs and groove is made to make the Contact of brick and brick tight, and make that there is flexible dilatation joint between the two, there is between brick and brick stability strong, make the effect that soaking tub is significantly improved work-ing life.
Its two, the utility model, owing to the addition of steel mesh outside flame retardant coating and ring brick layer, can not peel off immediately after making it occur crack when long term operation is under high-temperature situation, and pollute molten steel, affect the normal use of refining furnace.
Its three, the body in the utility model and the mode of connection between flange adopt the connection tip with wedge structure and clasp, and it makes to combine more tight between the two, and stability is strengthened; Carried out the reinforcement of physical strength, erosion resistance between body by the fire-resistant cast layer of diamond spar simultaneously, and by the reinforcement anchor with wedge structure and clasp, Quadratic Stability is carried out to body, make it have the beneficial effect that physical strength is large, long service life, stability are strong.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of RH refining furnace soaking tub in an embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification sheets word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 shows according to a kind of RH refining furnace soaking tub way of realization of the present utility model, comprising:
Body 100, it comprises steel courage 110 and is separately positioned on the steel courage inside and outside ring brick layer 120 of both sides and flame retardant coating 130, and described ring brick layer forms runner 140 at tubular body, wherein,
Described ring brick layer comprises at least two-layer annular brick body 121, multilayer is arranged so that the stability of ring brick layer is stronger, and every layer of annular brick body forms by horizontal, longitudinal staggered refractory brick 121 (a), between layers, every layer of refractory brick Contact of all making refractory brick in laterally, being longitudinally staggered is more tight, and has the effect eliminated stress simultaneously, all be connected with groove 121 (c) by the projection 121 (b) matched between described refractory brick is adjacent between two, the projection matched and groove to make between brick body except being converged by other polymkeric substance (as mixed earth), also carry out secondary by projection and groove to fix, be both projection and groove makes also have certain shrinkage joint between brick body, ring brick layer is made to be not easy to ftracture because of high-temperature expansion to peel off, increase its work-ing life, and outside described flame retardant coating and the inner side of described ring brick layer is provided with fire-resistant coat 150, described fire-resistant coat plays heat insulation effect to ring brick layer,
Argon pipe group 200, it comprises at least two group Argon pipes 210 be oppositely arranged, and described Argon pipe runs through described body and described flow passage, and it for blowing argon gas in runner;
Flange 300, is provided with open holes group, and described open holes group comprises arranged transversely with the first open holes 310 be connected with body and the second open holes 320 longitudinally arranged to be fixed on external device (ED), and described first open holes is set to vertebra shape structure;
Joint pin 400, its vertebra shape structure being set to match with the first open holes is formed soaking tub body to be fixedly connected with body by flange, and it is for being connected flange with body.Adopt this scheme to make the stability of soaking tub wait until control, there is the favourable part of long service life.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, the first steel mesh 160 that ring brick layer entirety is fixed also is provided with between the fire-resistant coat that described ring brick layer is adjacent, the second steel mesh 170 that flame retardant coating entirety is fixed also is provided with between the fire-resistant coat that described flame retardant coating is adjacent, the design of described first steel mesh and the second steel mesh, make the situation that ring brick layer and flame retardant coating just calculate cracking or peel off, also there will not be and drop in molten steel, to the pollution that molten steel causes.This scheme is adopted to have the strong favourable part of stability.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, facing each other of described refractory brick is provided with projection and the groove of the cooperation matched, described projection and at least one mask of groove have wedge structure, it is more tight that described wedge structure makes to engage between the two, adopts this scheme to have the strong favourable part of stability.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, between described steel courage and ring brick layer, flame retardant coating, be also respectively arranged with the fire-resistant cast layer of the first corundum 180 and the fire-resistant cast layer 190 of the second corundum.Adopt this scheme that steel courage is engaged with between ring brick layer, flame retardant coating more simultaneously, increase physical strength and erosion resistance, there is long service life, stability is high, favourable part that the physical strength of body and erosion resistance increase substantially.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described joint pin at least side has wedge-like structure, described wedge-like structure makes stability between flange and body be guaranteed, and the larger one end of described joint pin cross section is provided with multiple first clasp 410 with open state, multiple clasp with open state make to connect the tip and can be absorbed in flange, more firmly.This scheme is adopted to have the strong favourable part of stability.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described Argon pipe 210 comprises the first level pipe 211 being arranged on flame retardant coating inside and the straight tube 212 be connected with the first level pipe, described straight tube is also connected with run through described steel courage and ring brick layer with flow passage the second level pipe 213.Adopt this scheme to have argon gas to inject evenly, the favourable part molten steel in soaking tub can being managed rise more smoothly.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another kind of example, described body is also staggeredly equipped with at least two rows and strengthens anchor 180, a side end of described reinforcement anchor has multiple second clasp 181 of open state.The joint between layers adopting this scheme to make body is more tight, and between clasp immersed layer after not easily take out, make soaking tub body have the strong favourable part of stability.Further, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present utility model.The application of RH refining furnace soaking tub of the present utility model, modifications and variations be will be readily apparent to persons skilled in the art.
As mentioned above, according to the utility model, the multilayer of one due to ring brick layer and the structure design of uniqueness, therefore the projection matched that refractory brick designs and groove is made to make the Contact of brick and brick tight, and make that there is flexible dilatation joint between the two, there is between brick and brick stability strong, make the effect that soaking tub is significantly improved work-ing life.
Its two, the utility model, owing to the addition of steel mesh outside flame retardant coating and ring brick layer, can not peel off immediately after making it occur crack when long term operation is under high-temperature situation, and pollute molten steel, affect the normal use of refining furnace.
Its three, the body in the utility model and the mode of connection between flange adopt the connection tip with wedge structure and clasp, and it makes to combine more tight between the two, and stability is strengthened; Carried out the reinforcement of physical strength, erosion resistance between body by the fire-resistant cast layer of diamond spar simultaneously, and by the reinforcement anchor with wedge structure and clasp, Quadratic Stability is carried out to body, make it have the beneficial effect that physical strength is large, long service life, stability are strong.
Although embodiment of the present utility model is open as above, it is not restricted to listed in specification sheets and embodiment utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a RH refining furnace soaking tub, is characterized in that, comprising:
Body, it comprises steel courage and is separately positioned on the steel courage inside and outside ring brick layer of both sides and flame retardant coating, and described ring brick layer forms runner at tubular body, wherein,
Described ring brick layer comprises at least two-layer annular brick body, and every layer of annular brick body forms by horizontal, longitudinal staggered refractory brick, all be connected with groove by the projection matched between described refractory brick is adjacent between two, and outside described flame retardant coating and the inner side of described ring brick layer is provided with fire-resistant coat;
Argon pipe group, it comprises at least two group Argon pipes be oppositely arranged, and described Argon pipe runs through described body and described flow passage;
Flange, is provided with open holes group, and described open holes group comprises arranged transversely and arranges with the second open holes be fixed on external device (ED) with the first open holes be connected with body and longitudinal direction, and described first open holes is set to vertebra shape structure;
Joint pin, its vertebra shape structure being set to match with the first open holes is formed soaking tub body to be fixedly connected with body by flange.
2. RH refining furnace soaking tub as claimed in claim 1, it is characterized in that, also be provided with the first steel mesh that ring brick layer entirety is fixed between the fire-resistant coat that described ring brick layer is adjacent, between the fire-resistant coat that described flame retardant coating is adjacent, be also provided with the second steel mesh that flame retardant coating entirety is fixed.
3. RH refining furnace soaking tub as claimed in claim 1, it is characterized in that, facing each other of described refractory brick is provided with projection and the groove of the cooperation matched, described projection and at least one mask of groove have wedge structure.
4. RH refining furnace soaking tub as claimed in claim 1, is characterized in that, is also respectively arranged with the fire-resistant cast layer of the first corundum and the fire-resistant cast layer of the second corundum between described steel courage and ring brick layer, flame retardant coating.
5. RH refining furnace soaking tub as claimed in claim 1, it is characterized in that, described joint pin at least side has wedge-like structure, and the larger one end of described joint pin cross section is provided with multiple first clasp with open state.
6. RH refining furnace soaking tub as claimed in claim 1, it is characterized in that, described Argon pipe comprises the first level pipe being arranged on flame retardant coating inside and the straight tube be connected with the first level pipe, described straight tube is also connected with run through described steel courage and ring brick layer with flow passage the second level pipe.
7. RH refining furnace soaking tub as claimed in claim 1, is characterized in that, described body is also staggeredly equipped with at least two rows and strengthens anchor, a side end of described reinforcement anchor has multiple second clasp of open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061050.0U CN204455195U (en) | 2015-01-28 | 2015-01-28 | A kind of RH refining furnace soaking tub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061050.0U CN204455195U (en) | 2015-01-28 | 2015-01-28 | A kind of RH refining furnace soaking tub |
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| Publication Number | Publication Date |
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| CN204455195U true CN204455195U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520061050.0U Expired - Fee Related CN204455195U (en) | 2015-01-28 | 2015-01-28 | A kind of RH refining furnace soaking tub |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106631075A (en) * | 2017-01-12 | 2017-05-10 | 鞍山市和丰耐火材料有限公司 | Stable-overall-structure RH-furnace dip pipe |
| CN106755747A (en) * | 2017-02-13 | 2017-05-31 | 中冶赛迪工程技术股份有限公司 | A kind of three hole dip pipes of single-mouth refining furnace |
-
2015
- 2015-01-28 CN CN201520061050.0U patent/CN204455195U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106631075A (en) * | 2017-01-12 | 2017-05-10 | 鞍山市和丰耐火材料有限公司 | Stable-overall-structure RH-furnace dip pipe |
| CN106631075B (en) * | 2017-01-12 | 2022-06-14 | 鞍山市和丰耐火材料有限公司 | RH stove dip pipe that overall structure is stable |
| CN106755747A (en) * | 2017-02-13 | 2017-05-31 | 中冶赛迪工程技术股份有限公司 | A kind of three hole dip pipes of single-mouth refining furnace |
| CN106755747B (en) * | 2017-02-13 | 2018-09-18 | 中冶赛迪工程技术股份有限公司 | A kind of three hole dip pipes of single-mouth refining furnace |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20150708 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |