CN201395604Y - Gun head of blast furnace tapping-hole clay gun - Google Patents
Gun head of blast furnace tapping-hole clay gun Download PDFInfo
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- CN201395604Y CN201395604Y CN2009200704729U CN200920070472U CN201395604Y CN 201395604 Y CN201395604 Y CN 201395604Y CN 2009200704729 U CN2009200704729 U CN 2009200704729U CN 200920070472 U CN200920070472 U CN 200920070472U CN 201395604 Y CN201395604 Y CN 201395604Y
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- gun
- blast furnace
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Abstract
The utility model discloses a gun head of a blast furnace tapping-hole clay gun, which comprises a gun nozzle and a gun nozzle head. The gun nozzle head comprises a diameter equating segment and a diameter changing segment which are communicated into one body; an insertion piece which is corresponding to an insertion opening is arranged at one end of the diameter equating segment, the outer surface of the diameter changing segment presents an arc-surface shaped structure, and the outer diameter of one communication end between the diameter changing segment and the diameter equating segment islarger than that of the other communication end. The gun head is sealed with a mud sleeve in a matching manner by the plane of the diameter equating segment of the gun nozzle head, and extrudes flexible gun mud in a melted iron hole channel by the arc-shaped ring surface of the diameter changing segment, so as to form another layer of sealing interface, thereby ensuring smooth plugging; in addition, mud leakage can be avoided even if the mud sleeve is damaged.
Description
Technical field
The utility model relates to plugging device before the State of Blast Furnace, more particularly, relates to the block up big gun head of clay gun of a kind of blast furnace.
Background technology
At present, the stokehold that each blast furnace the uses big gun of blocking up includes big gun mouth and big gun mouth as first, and the big gun mouth is the steel planarized structure, and inserts by plug-in unit in the socket of big gun mouth and be connected.During use, this big gun head is inserted in mud cover, and inwardly squeeze into stemming and block up.If the mud cover is damaged and produces injustice or depression, make to have the space between big gun mouth and the mud cover, stemming can be run out of from the gap when beating mud, and the slow wind of needs just can be finished and block up when serious, thereby influences the ordinary production of blast furnace.
See also shown in Figure 1, the patent No. is that the Chinese patent of ZL200320129983.6 discloses a kind of blast furnace gun composite gun head 10, comprise big gun mouth 11 and big gun mouth 12, this big gun mouth 12 is a nonrigid material, as wooden, paper fiber, asbestos or wood composite material, can realize the sealing of this big gun mouth 12 and mud inner room, reduce and prevent to beat the race mud phenomenon of mud process, realize maintenance blast furnace taphole.But this big gun mouth 12 lacks enough intensity and resistance to elevated temperatures, and adding its front end also is planarized structure, thus can only be effective to the mud cover of slight damage, can not thoroughly solve the mud problem of running.
See also shown in Figure 2, the patent No. is to block up with flexible big gun head 20 before the Chinese patent of ZL200720066515.7 discloses a kind of State of Blast Furnace, also comprise big gun mouth 21 and big gun mouth 22, this big gun mouth 22 comprises convex pad 221, trough of belt steel ring 222 and the carbon element fibrous magnesium silicate ring 223 that sets gradually.This big gun mouth 22 also can only have sealing function to the mud cover of local damage, and in actual production process, the damaged location and the damage intensity of mud cover are had nothing in common with each other, therefore select 2,210 fens complexity of corresponding pad loaded down with trivial details, and can't effectively control the alignment precision of big gun mouth 22 and mud cover, thereby also can't guarantee and mud cover between stopping property, therefore for large blast furnace iron mouth occur unusual, run the mud phenomenon and still happen occasionally.
The utility model content
At the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides the block up big gun head of clay gun of a kind of blast furnace, and this big gun head can improve the stopping property between big gun head and the impaired mud cover, effectively prevents the race mud of blocking up.
For achieving the above object, the utility model adopts following technical scheme:
The block up big gun head of clay gun of this blast furnace comprises the big gun mouth and is connected the big gun mouth that communicates with the big gun mouth by socket, and this big gun mouth comprises isometrical section and the reducer that is connected for one, and isometrical section one end is provided with and the socket corresponding insert; The outside surface of reducer is the arc surfaced structure, and an end external diameter of reducer is greater than the other end external diameter, and big external diameter end is connected with isometrical section the other end and communicates.
Described isometrical section axial length is 40mm, and the axial length of described reducer is 30mm.
The diameter of bore of described reducer is 90mm.
Described isometrical section bore design is two sections that are connected, and one section is communicated with the big gun mouth, and this section diameter of bore is 150mm, and axial length is 10mm; Another section is communicated with reducer, and this section diameter of bore equates with the diameter of bore of reducer.
In technique scheme, the block up big gun head of clay gun of blast furnace of the present utility model comprises big gun mouth and big gun mouth, and this big gun mouth comprises isometrical section and the reducer that is connected for one, and isometrical section one end is provided with and the socket corresponding insert; The outside surface of reducer is the arc surfaced structure, and an end external diameter that is communicated with isometrical section is greater than the other end external diameter.This big gun head is by the plane and the mud cover fitted seal of isometrical section of its big gun mouth, and the arc anchor ring by reducer pushes having flexible stemming in the molten iron duct, thereby form another layer seal interface, thereby guarantee to block up smoothly, also can avoid generation to run the mud phenomenon even the mud cover is impaired.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of the blast furnace gun composite gun head of prior art;
Fig. 2 blocks up with the structure cross-sectional schematic of flexible big gun head before the State of Blast Furnace of prior art;
Fig. 3 is the block up STRUCTURE DECOMPOSITION synoptic diagram of big gun head of clay gun of blast furnace of the present utility model;
Fig. 4 is the structure sectional view of big gun head of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also Fig. 3, shown in Figure 4, the block up big gun head 30 of clay gun of blast furnace of the present utility model is basic identical with prior art, equally also comprises big gun mouth 31 and is connected the big gun mouth 32 that communicates with big gun mouth 31 by socket 311.Different is, this big gun mouth 32 comprises isometrical section 321 and the reducer 322 that is connected for one, and isometrical section 321 1 end is provided with and socket 311 corresponding insert 312; The outside surface of reducer 322 is the arc surfaced structure, and an end external diameter of reducer 322 is greater than the other end external diameter, and big external diameter end is connected with isometrical section 321 the other end and communicates.Because the opening fixed diameter is the drill bit of 45mm during present blast furnace ordinary production, after Dang Tiekou opened, the stemming in the iron mouth mud cover was subjected to washing away of molten iron and has certain consumption.Through observing the process of tapping a blast furnace all the year round, by measurement, and through repeated calculation and experiment, the axial length of reducer 322 is designed to 30mm to stemming thickness in the mud cover under the different flowing molten iron situations, its diameter of bore is designed to 90mm.And isometrical section 321 axial length is 40mm, and described isometrical section 321 bore design is two sections that are connected, and one section is communicated with big gun mouth 31, and this section diameter of bore and big gun mouth 31 these end equal diameters are 150mm, and the axial length of this section endoporus is designed to 10mm; Another section endoporus is communicated with reducer 322, and this section diameter of bore equates with the diameter of bore of reducer 322.The stemming crush seal easy like this and the iron mouth is interior, and reserve certain internal diameter duct and can squeeze into, not only guarantee enough stemming amounts of squeezing into, can prevent that again molten iron from washing away the front that reducer 322 cambered surfaces cause for stemming is smooth and easy, reduce the spoilage of this big gun mouth 32, improved its rate of utilization.
During use, this big gun head 30 is installed on the preceding clay gun of State of Blast Furnace, make a transverse plane of isometrical section 321 and the mud cover fitted seal of this big gun mouth 32, and make the outer ring cambered surface of reducer 322 and the stemming in the iron mouth mud cover carry out crush seal, even working as the mud cover like this is damaged, because the stemming in reducer 322 overlaps with iron mouth mud forms good sealing, thereby stopped to run the generation of mud phenomenon.
In sum, big gun head 30 of the present utility model can be used for blocking up before all types of State of Blast Furnace, and effect is very remarkable.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. the blast furnace big gun head of clay gun of blocking up, this big gun head comprises the big gun mouth and is connected the big gun mouth that communicates with the big gun mouth by socket, it is characterized in that:
This big gun mouth comprises isometrical section and the reducer that is connected for one, and isometrical section one end is provided with and the socket corresponding insert; The outside surface of reducer is the arc surfaced structure, and an end external diameter of reducer is greater than the other end external diameter, and big external diameter end is connected with isometrical section the other end and communicates.
2. the block up big gun head of clay gun of blast furnace as claimed in claim 1 is characterized in that:
Described isometrical section axial length is 40mm, and the axial length of described reducer is 30mm.
3. the block up big gun head of clay gun of blast furnace as claimed in claim 1 is characterized in that:
The diameter of bore of described reducer is 90mm.
4. the block up big gun head of clay gun of blast furnace as claimed in claim 3 is characterized in that:
Described isometrical section bore design is two sections that are connected, and one section is communicated with the big gun mouth, and this section diameter of bore is 150mm, and axial length is 10mm; Another section is communicated with reducer, and this section diameter of bore equates with the diameter of bore of reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200704729U CN201395604Y (en) | 2009-04-16 | 2009-04-16 | Gun head of blast furnace tapping-hole clay gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200704729U CN201395604Y (en) | 2009-04-16 | 2009-04-16 | Gun head of blast furnace tapping-hole clay gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201395604Y true CN201395604Y (en) | 2010-02-03 |
Family
ID=41618107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200704729U Expired - Fee Related CN201395604Y (en) | 2009-04-16 | 2009-04-16 | Gun head of blast furnace tapping-hole clay gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201395604Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911473A (en) * | 2013-12-20 | 2014-07-09 | 唐海首燕机械有限公司 | Method for increasing service life of casthouse device mud gun mouth of blast furnace |
| CN115747396A (en) * | 2022-12-20 | 2023-03-07 | 包头钢铁（集团）有限责任公司 | Iron notch blocking device and method under state of iron notch mud sleeve damage |
-
2009
- 2009-04-16 CN CN2009200704729U patent/CN201395604Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911473A (en) * | 2013-12-20 | 2014-07-09 | 唐海首燕机械有限公司 | Method for increasing service life of casthouse device mud gun mouth of blast furnace |
| CN115747396A (en) * | 2022-12-20 | 2023-03-07 | 包头钢铁（集团）有限责任公司 | Iron notch blocking device and method under state of iron notch mud sleeve damage |
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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 |
Granted publication date: 20100203 Termination date: 20160416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |