CN204608058U - Environmental and durable type slag iron runner operculum colpi - Google Patents
Environmental and durable type slag iron runner operculum colpi Download PDFInfo
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- CN204608058U CN204608058U CN201520161180.1U CN201520161180U CN204608058U CN 204608058 U CN204608058 U CN 204608058U CN 201520161180 U CN201520161180 U CN 201520161180U CN 204608058 U CN204608058 U CN 204608058U
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- operculum colpi
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- iron runner
- slag iron
- durable type
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Abstract
The utility model relates to a kind of environmental and durable type slag iron runner operculum colpi, and for covering slag iron runner when blast furnace taphole taps a blast furnace, described operculum colpi comprises reducing section and straight mouth section, and described reducing section is arranged near described iron mouth; From iron mouth to described straight mouth section direction, the diameter of described reducing section reduces gradually, and minimum diameter is identical with the diameter of described straight mouth section.The utility model, by operculum colpi is designed to reducing form near iron mouth end, can increase operculum colpi internal space, effectively improves anti-molten iron splashing effect, prevents molten iron be splashed on operculum colpi outer hull and damage outer hull.
Description
Technical field
The utility model relates to a kind of environmental and durable type slag iron runner operculum colpi, belongs to ironmaking technology field.
Background technology
Blast-furnace smelting environmental requirement is more and more stricter, all requires to use iron runner operculum colpi during current newly-built blast furnace casting, is conducive to reducing smoke stratification when tapping a blast furnace near iron runner like this, reduces thermal radiation, can also effectively prevent molten iron splash from damaging accident simultaneously.The use of slag iron runner operculum colpi is requirement and the certainty of blast furnace discharge yard environmental protection.
The work flow of casthouse equipment is: first tapping outlet beaten by taphole drilling machine, and then operculum colpi to move to above slag iron runner and covers slag iron runner by cover carriage, and operculum colpi is removed by molten iron after rolling cover carriage, and Tie Kou blocked by clay gun.
Slag iron runner operculum colpi operating environment is severe, often has the inner resistance to material of operculum colpi occurs to come off and operculum colpi such as to burn at the phenomenon.Therefore be necessary to design a kind of environmental and durable type slag iron runner operculum colpi, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of environmental and durable type slag iron runner operculum colpi, effectively can improve operculum colpi work-ing life.
The utility model is achieved in that
The utility model provides a kind of environmental and durable type slag iron runner operculum colpi, and for covering slag iron runner when blast furnace taphole taps a blast furnace, described operculum colpi comprises reducing section and straight mouth section, and described reducing section is arranged near described iron mouth; From iron mouth to described straight mouth section direction, the diameter of described reducing section reduces gradually, and minimum diameter is identical with the diameter of described straight mouth section.
Further, described operculum colpi comprises the housing, thermostable heat-isolating coating layer and the refractory masses that set gradually from outside to inside.
Further, described housing is provided with cooling body.
Further, described housing is cavity housing, and described cooling body comprises the pressurized air be located on described housing and purges interface.
Further, described surface of shell is provided with polylith reinforcement gusset.
Further, described polylith strengthens gusset is netted layout at described surface of shell.
Further, described operculum colpi top is parallel is provided with two pressure pins.
The utility model has following beneficial effect: by operculum colpi is designed to reducing form near iron mouth end, can increase operculum colpi internal space, effectively improves anti-molten iron splashing effect, prevents molten iron be splashed on operculum colpi outer hull and damage outer hull.
Further beneficial effect of the present utility model is: by increasing thermostable heat-isolating coating layer between operculum colpi housing and refractory masses, can improve effect of heat insulation, and after preventing resistance to material from coming off, high temperature liquid iron burns out housing.This dope layer can also improve the absorption property of refractory materials, reduces thermal radiation further.
Further beneficial effect of the present utility model is: the reinforcement gusset of surface of shell is designed to reticulated structure, effectively can improve the strength and stiffness of high temperature lower housing.
Further beneficial effect of the present utility model is: purge interface by housing being arranged to cavity structure and arranging pressurized air on housing, effectively can reduce the temperature of housing, reduce thermal radiation further, improve the work-ing life of housing simultaneously.
Further beneficial effect of the present utility model is: by arranging double bracket bar structure, effectively prevents operculum colpi rocking when cover carriage action, improves operculum colpi action stability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The stereographic map of the environmental and durable type slag iron runner operculum colpi that Fig. 1 provides for the utility model embodiment;
The front view of the environmental and durable type slag iron runner operculum colpi that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the sectional view of Fig. 2 along A-A.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1-Fig. 3, the utility model embodiment provides a kind of environmental and durable type slag iron runner operculum colpi, and for covering slag iron runner when blast furnace taphole taps a blast furnace, described operculum colpi comprises reducing section 1 and straight mouth section 2, and described reducing section 1 is arranged near described iron mouth.From iron mouth to described straight mouth section 2 direction, the diameter of described reducing section 1 reduces gradually, and minimum diameter is identical with the diameter of described straight mouth section 2.When blast furnace taphole taps a blast furnace, this operculum colpi moves to above slag iron runner by cover carriage, and reducing section 1 side is near iron mouth; Because reducing section 1 adds the internal space of operculum colpi, effectively can improve anti-molten iron splashing effect, prevent molten iron be splashed on operculum colpi outer hull and damage outer hull.
As Fig. 3, as a kind of preferred structure of the present embodiment, described operculum colpi comprises the housing 3, thermostable heat-isolating coating layer 7 and the refractory masses 8 that set gradually from outside to inside.Thermostable heat-isolating coating layer 7 is set and can stops thermal conduction and shielding thermal radiation, thus suppress the heat loss of refractory masses 8.In the present embodiment, the ZS-1 type thermostable heat-isolating coating that described thermostable heat-isolating coating layer 7 adopts Beijing will Sheng Weihua Chemical Co., Ltd. to produce, it adopts silicate inorganic solution as coating film forming matter, filler adopts nano-hollow glass microballon, selects aluminium silicate fiber peacekeeping heat-reflecting material as solid material.Wherein, hollow glass micropearl content is more than 80%, and glass microballon volume is all more than 80 orders, the air in such hollow glass micropearl cavity, after being heated, just no longer produces thermal convection, add the support of pure inorganic materials as coating, make this dope layer define the adiabatic screen layer formed with still air and inorganic materials, heat reflection energy-saving material is as auxiliary, and the thermal conductivity of paint coatings is close to vacuum heat-conduction coefficient, thermal conductivity only has about 0.03W/mK, and heat insulation and preservation effect is good.
As Fig. 1-Fig. 3, as a kind of preferred structure of the present embodiment, described housing 3 is provided with cooling body.Heat-eliminating medium can adopt water coolant or pressurized air to cool, and in the present embodiment, preferably adopts pressurized air to cool.Concrete structure is: described housing 3 is set to cavity housing, and described cooling body comprises the pressurized air be located on described housing 3 and purges interface 5.It can be multiple that pressurized air purges interface 5, arranges along operculum colpi length direction interval, after above-mentioned compressed air interface connects pressurized air supply pipe, by reaching the object of cooling housing 3 to blowing pressurized air in cavity.
As Fig. 1-Fig. 3, as a kind of preferred structure of the present embodiment, described housing 3 surface is provided with polylith and strengthens gusset 4, and described polylith strengthens gusset 4 on described housing 3 surface in netted layout.The reinforcement gusset 4 of netted layout makes the structure of housing 3 more stable, effectively can improve the strength and stiffness of high temperature lower housing 3.
As Fig. 1-Fig. 3, as a kind of preferred structure of the present embodiment, described operculum colpi top is parallel is provided with two pressure pins 6.Cover carriage correspondence is provided with two front carriage, these two front carriage respectively with two pressure pins 6 with the use of, cover carriage can be made to be moved to by operculum colpi above slag iron runner or above slag iron runner and to remove.In moving process, double bracket bar 6 structure makes operculum colpi be not easy to rock, thus improves the action stability of operculum colpi.
The utility model embodiment has following beneficial effect: by operculum colpi is designed to reducing form near iron mouth end, can increase operculum colpi internal space, effectively improves anti-molten iron splashing effect, prevents molten iron be splashed on operculum colpi outer hull 3 and damage outer hull 3.By increasing thermostable heat-isolating coating layer 7 between operculum colpi housing 3 and refractory masses 8, can improve effect of heat insulation, after preventing resistance to material from coming off, high temperature liquid iron burns out housing 3.This dope layer can also improve the absorption property of refractory materials, reduces thermal radiation further.The reinforcement gusset 4 on housing 3 surface is designed to reticulated structure, effectively can improves the strength and stiffness of high temperature lower housing 3.Purge interface 5 by housing 3 being arranged to cavity structure and arranging pressurized air on housing 3, effectively can reduce the temperature of housing 3, reduce thermal radiation further, improve the work-ing life of housing 3 simultaneously.By arranging double bracket bar 6 structure, effectively preventing operculum colpi rocking when cover carriage action, improving operculum colpi action stability.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an environmental and durable type slag iron runner operculum colpi, for covering slag iron runner when blast furnace taphole taps a blast furnace, is characterized in that: described operculum colpi comprises reducing section and straight mouth section, and described reducing section is arranged near described iron mouth; From iron mouth to described straight mouth section direction, the diameter of described reducing section reduces gradually, and minimum diameter is identical with the diameter of described straight mouth section.
2. environmental and durable type slag iron runner operculum colpi according to claim 1, is characterized in that: described operculum colpi comprises the housing, thermostable heat-isolating coating layer and the refractory masses that set gradually from outside to inside.
3. environmental and durable type slag iron runner operculum colpi according to claim 2, is characterized in that: described housing is provided with cooling body.
4. environmental and durable type slag iron runner operculum colpi according to claim 3, is characterized in that: described housing is cavity housing, and described cooling body comprises the pressurized air be located on described housing and purges interface.
5. environmental and durable type slag iron runner operculum colpi according to claim 2, is characterized in that: described surface of shell is provided with polylith and strengthens gusset.
6. environmental and durable type slag iron runner operculum colpi according to claim 5, is characterized in that: it is netted layout at described surface of shell that described polylith strengthens gusset.
7. environmental and durable type slag iron runner operculum colpi according to claim 1 and 2, is characterized in that: described operculum colpi top is parallel is provided with two pressure pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161180.1U CN204608058U (en) | 2015-03-23 | 2015-03-23 | Environmental and durable type slag iron runner operculum colpi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520161180.1U CN204608058U (en) | 2015-03-23 | 2015-03-23 | Environmental and durable type slag iron runner operculum colpi |
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| CN204608058U true CN204608058U (en) | 2015-09-02 |
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| CN201520161180.1U Active CN204608058U (en) | 2015-03-23 | 2015-03-23 | Environmental and durable type slag iron runner operculum colpi |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217117A (en) * | 2017-05-27 | 2017-09-29 | 攀钢集团西昌钢钒有限公司 | A kind of seal closure |
| CN115261537A (en) * | 2022-06-17 | 2022-11-01 | 上海齐鑫耐火材料有限公司 | Prefabricated blast furnace tapping channel device and using method thereof |
-
2015
- 2015-03-23 CN CN201520161180.1U patent/CN204608058U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217117A (en) * | 2017-05-27 | 2017-09-29 | 攀钢集团西昌钢钒有限公司 | A kind of seal closure |
| CN107217117B (en) * | 2017-05-27 | 2019-04-09 | 攀钢集团西昌钢钒有限公司 | A kind of seal closure |
| CN115261537A (en) * | 2022-06-17 | 2022-11-01 | 上海齐鑫耐火材料有限公司 | Prefabricated blast furnace tapping channel device and using method thereof |
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