CN212102921U - Dip pipe device for RH refining furnace - Google Patents
Dip pipe device for RH refining furnace Download PDFInfo
- Publication number
- CN212102921U CN212102921U CN201922187635.8U CN201922187635U CN212102921U CN 212102921 U CN212102921 U CN 212102921U CN 201922187635 U CN201922187635 U CN 201922187635U CN 212102921 U CN212102921 U CN 212102921U
- Authority
- CN
- China
- Prior art keywords
- casting material
- steel shell
- refining furnace
- dip pipe
- pipe device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a dip pipe device for an RH refining furnace, which comprises an outer casting material, an inner casting material and a steel shell, the outer casting material is arranged on the outer side and the upper and lower sides of the steel shell, the inner casting material is arranged on the inner side of the steel shell, and a certain gap is left between the inner sides of the outer casting material and the inner casting material and the steel shell, the inner casting material and the outer casting material are respectively arranged on the inner side and the outer side of the steel shell, and both the inner casting material and the outer casting material play a role of fire resistance, and gaps are left between the inner casting material and the outer casting material and the steel shell, thereby well solving the problem that the inner casting material or the outer casting material is cracked due to the collision of the heat effect of the steel shell, the service life of the steel shell is greatly prolonged, the connecting rod is fixedly inserted into the first insertion hole in the outer casting material and fixedly penetrates through the steel shell, and therefore the steel shell can be fixed in the outer casting material and the inner casting material.
Description
Technical Field
The utility model relates to a RH refining furnace field, in particular to dip pipe device for RH refining furnace.
Background
With the development and development of the vacuum steelmaking technology, RH and VD are finally called as the mainstream of the vacuum steelmaking technology because of the advantages of short processing time, low cost, capability of processing a large amount of molten steel and the like, RH adopts the technology of circulating molten steel in a vacuum tank so as to achieve the purposes of short processing time, high efficiency and capability of matching with continuous casting of a converter, and is somewhat adopted by a converter process in a large amount, a dip pipe is required to be used in the RH refining furnace steelmaking process, the steel shell of the dip pipe used in the existing RH refining furnace is easy to generate heat effect in the using process, so that the condition of cracking of a refractory castable caused by expansion is generated, the service life is greatly shortened, and the requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a dip pipe device for RH refining furnace can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dip pipe device for RH refining furnace, includes outer castable, interior castable and box hat, outer castable sets up in the outside and upper and lower both sides of box hat, interior castable sets up the inboard at the box hat, just a certain clearance all leaves between the inboard of outer castable and interior castable and the box hat, interior castable is fixed to be set up on outer castable, the upper and lower both sides of outer castable have seted up first jack correspondingly, vertical fixed grafting has the connecting rod in the first jack, and the connecting rod still fixed passes the box hat setting, set up a plurality of third jacks on the inner wall of outer castable, interior castable corresponds the third jack and has seted up the second jack, still set up flutedly on the outer wall of outer castable.
Furthermore, the grooves are formed in the outer wall of the outer casting material and are distributed at equal intervals, and each groove is a groove-shaped groove.
Furthermore, the connecting rods are arranged on a plurality of steel shells, and the connecting rods are distributed on the outer castable and the steel shells at equal angles on the circumferences.
Furthermore, a fixing rod is fixedly inserted in the second jack, and one end of the fixing rod is fixedly inserted in a third jack corresponding to the second jack.
Furthermore, the fixing rod penetrates through a through hole horizontally formed in the steel shell, and the aperture of the through hole in the steel shell is larger than the outer diameter of the cylindrical fixing rod.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses an interior pouring material and outer pouring material are provided with respectively in the inside and outside both sides of box hat, interior pouring material and outer pouring material all play fire-resistant effect, and interior pouring material and outer pouring material all with leave the clearance between the box hat, fine solution the box hat because the fuel effect bumps and leads to interior pouring material or the condition that the external pouring material ftractures appears, the life-span of its use has been prolonged greatly, fixed the injection has the connecting rod in the first jack on the outer pouring material, the connecting rod still fixed passes the box hat setting, so both can fix the box hat in outer pouring material and interior pouring material.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the overall structure of the present invention.
In the figure: 1. an outer castable; 2. inner casting material; 3. a groove; 4. a first jack; 5. a connecting rod; 6. a steel shell; 7. a second jack; 8. a third jack; 9. and (5) fixing the rod.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, a dip pipe device for an RH refining furnace includes an outer castable 1, an inner castable 2 and a steel shell 6, the outer casting material 1 is arranged on the outer side and the upper and lower sides of the steel shell 6, the inner casting material 2 is arranged on the inner side of the steel shell 6, and a certain gap is left between the inner sides of the outer casting material 1 and the inner casting material 2 and the steel shell 6, the inner casting material is fixedly arranged on the outer casting material, the upper side and the lower side of the outer casting material 1 are correspondingly provided with first jacks 4, connecting rods 5 are vertically and fixedly inserted in the first jacks 4, the connecting rod 5 is fixedly arranged to penetrate through the steel shell 6, a plurality of third jacks 8 are arranged on the inner wall of the outer castable 1, the inner casting material 2 is provided with a second jack 7 corresponding to the third jack 8, and the outer wall of the outer casting material 1 is also provided with a groove 3.
As shown in fig. 1, the plurality of grooves 3 are formed in the outer wall of the outer casting material 1, the plurality of grooves 3 are distributed at equal intervals, and the grooves 3 are annular grooves.
By adopting the scheme, the surface area of the outer castable 1 is greatly increased by the arrangement of the plurality of annular grooves 3, and a good heat dissipation effect is achieved.
As shown in fig. 2, the connecting rods 5 are arranged in a plurality of numbers, and the connecting rods 5 are distributed on the outer casting material 1 and the steel shell 6 at equal angles on the circumference.
By adopting the scheme, the connecting rods 5 play a role in fixing the steel shell 6 in the outer casting material 1 and the inner casting material 2.
As shown in fig. 2, a fixing rod 9 is fixedly inserted into the second jack 7, and one end of the fixing rod 9 is fixedly inserted into a third jack 8 corresponding to the second jack 7.
By adopting the scheme, the fixing rod 9 not only strengthens the compactness between the outer casting material 1 and the inner casting material 2, but also can strengthen the overall structural strength of the dip pipe.
As shown in fig. 2, the fixing rod 9 passes through a through hole horizontally formed in the steel shell 6, and the aperture of the through hole in the steel shell 6 is larger than the outer diameter of the cylindrical fixing rod 9.
By adopting the scheme, the aperture of the through hole in the steel shell 6 is larger than the outer diameter of the fixing rod 9, so that the steel shell 6 can drive the fixing rod 9 to transmit the acting force to the inner casting material 2 and the outer casting material 1 when heat effect occurs.
It should be noted that the utility model is a dip pipe device for RH refining furnace, when in use, the steel shell 6 is arranged between the outer casting material 1 and the inner casting material 2, the two ends of the connecting rod 5 which is fixed through the steel shell 6 are fixedly inserted into the first insertion holes 4 at the corresponding positions of the upper and lower sides of the outer casting material 1, and a certain gap is left between the outer casting material 1 and the inner casting material 2 and the inner steel shell 6, therefore, when the steel shell 6 is heated to generate heat effect, the inner casting material 2 or the outer casting material 1 can not be driven to crack, the service life of the dip pipe is greatly prolonged, and fixing rods 9 are fixedly inserted into the second insertion hole 7 and the third insertion hole 8 at corresponding positions between the outer casting material 1 and the inner casting material 2, and the plurality of fixing rods 9 not only enable the connection between the outer casting material 1 and the inner casting material 2 to be more compact, but also enhance the structural strength of the dip pipe.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a dip pipe device for RH refining furnace, includes outer castable (1), interior castable (2) and steel casing (6), its characterized in that: the outer casting material (1) is arranged on the outer side and the upper and lower sides of the steel shell (6), the inner casting material (2) is arranged on the inner side of the steel shell (6), and a certain gap is reserved between the inner sides of the outer casting material (1) and the inner casting material (2) and the steel shell (6), the inner casting material (2) is fixedly arranged on the outer casting material (1), the upper side and the lower side of the outer casting material (1) are correspondingly provided with first jacks (4), a connecting rod (5) is vertically fixed in the first jack (4) in an inserted manner, the connecting rod (5) is fixedly arranged to penetrate through the steel shell (6), a plurality of third jacks (8) are arranged on the inner wall of the outer casting material (1), the inner casting material (2) is provided with a second jack (7) corresponding to the third jack (8), and the outer wall of the outer casting material (1) is provided with a groove (3).
2. The dip pipe device for the RH refining furnace according to claim 1, wherein: the outer wall of the outer castable (1) is provided with a plurality of grooves (3), the grooves (3) are distributed at equal intervals, and the grooves (3) are concave annular grooves.
3. The dip pipe device for the RH refining furnace according to claim 1, wherein: the connecting rods (5) are arranged at a plurality of positions, and the connecting rods (5) are circumferentially distributed at equal angles on the outer castable (1) and the steel shell (6).
4. The dip pipe device for the RH refining furnace according to claim 1, wherein: a fixing rod (9) is fixedly inserted in the second insertion hole (7), and one end of the fixing rod (9) is fixedly inserted in a third insertion hole (8) corresponding to the second insertion hole (7).
5. The dip pipe device for the RH refining furnace according to claim 4, wherein: the fixing rod (9) penetrates through a through hole horizontally formed in the steel shell (6), and the aperture of the through hole in the steel shell (6) is larger than the outer diameter of the cylindrical fixing rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922187635.8U CN212102921U (en) | 2019-12-09 | 2019-12-09 | Dip pipe device for RH refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922187635.8U CN212102921U (en) | 2019-12-09 | 2019-12-09 | Dip pipe device for RH refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212102921U true CN212102921U (en) | 2020-12-08 |
Family
ID=73620542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922187635.8U Expired - Fee Related CN212102921U (en) | 2019-12-09 | 2019-12-09 | Dip pipe device for RH refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212102921U (en) |
-
2019
- 2019-12-09 CN CN201922187635.8U patent/CN212102921U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212102921U (en) | Dip pipe device for RH refining furnace | |
| CN214059922U (en) | Temperature control device of activation furnace | |
| CN208991713U (en) | A kind of cast steel ingot mould | |
| CN216869129U (en) | Anti-collision steel brick structure of shaft furnace | |
| CN107356110B (en) | Masonry of Rotary Kiln structure | |
| CN202812627U (en) | High-temperature expansion joint | |
| CN211651220U (en) | Anti-crack structure for fire-resistant pouring | |
| CN215909683U (en) | Fixed anode furnace arch structure | |
| CN207407693U (en) | A kind of bath smelting furnace top furnace wall structure | |
| CN214083213U (en) | Refractory material inside lining antiseep structure | |
| CN215431514U (en) | Impact-resistant piece for casting ladle | |
| CN205933952U (en) | Radiant tube bearing structure | |
| CN211394518U (en) | Iron storage type main iron runner roaster | |
| CN205839157U (en) | The outer furnace shell of a kind of novel rare-earth electrolysis iron and steel | |
| CN207615545U (en) | A kind of bearing closing device | |
| CN204848930U (en) | Seal wire pipe quick replacement device for refining furnace | |
| CN204874635U (en) | Intensive condenser tube structure of wind gap cooling wall | |
| CN217875822U (en) | Boiler cyclone separator central cylinder capable of preventing top end from high-temperature deformation | |
| CN204830873U (en) | Aluminum alloy melting combustor furnace gate | |
| CN211903725U (en) | High-efficiency heater | |
| CN212109563U (en) | Device for prolonging service life of refractory side wall of circular cooler | |
| CN212123658U (en) | Device for reserving bolt holes of fire door brick mold | |
| CN219861435U (en) | Novel heat insulation plate for lower groove of RH furnace | |
| CN201548045U (en) | Titanium sponge and zirconium sponge resistance rope type smelting vacuum heating furnace | |
| CN203265624U (en) | Integral type steel ladle tapping hole prefabricated member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201208 Termination date: 20211209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |