CN210711624U - RH stove dip pipe - Google Patents
RH stove dip pipe Download PDFInfo
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- CN210711624U CN210711624U CN201920771327.7U CN201920771327U CN210711624U CN 210711624 U CN210711624 U CN 210711624U CN 201920771327 U CN201920771327 U CN 201920771327U CN 210711624 U CN210711624 U CN 210711624U
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Abstract
The utility model discloses a RH stove dip pipe, including the dip pipe body, the dip pipe body includes the casting body, steel courage and flame retardant coating, the lateral wall of steel courage is fixed and is equipped with the anchor assembly of a plurality of symmetries, the one end of the anchor assembly of a plurality of symmetries is all fixed and is equipped with the crotch, a plurality of crotch and anchor assembly all establish with the casting body and be connected, the bottom mounting of steel courage is equipped with two symmetrical steel construction spare, two symmetrical steel construction spare all establish with the casting body and be connected, the beneficial effects of the utility model are that anchor assembly and steel construction spare and steel tenon strip and multiform chamber that are equipped with make the surface contact between the casting body, steel courage and the flame retardant coating become the body contact, increased the bonding ability between the casting body, steel courage and the flame retardant coating, place and drop, improve life and wholeness, the cyclic annular corundum that is equipped with, improved the thermal shock stability of dip pipe body, intensity and the performance of scour resistance, the dipping pipe body can be more durable under the working environment of molten steel scouring.
Description
Technical Field
The utility model relates to a dip pipe, in particular to RH stove dip pipe.
Background
The RH furnace is one of the most mature and major secondary refining technologies at present, and among the structural parts constituting the RH furnace, the dip tube is an extremely important structural member, the operating environment is the worst, the replacement frequency is the highest, the number of used components is the largest, and the height of the service life has an extremely important influence on the service life of the entire RH furnace.
However, the existing immersion pipe has some disadvantages, the inner container of the existing immersion pipe adopts smooth end surfaces for sealing connection at the connection position, the connection dislocation is easy to occur in the mode, molten steel flows out, the existing immersion pipe comprises a steel container, an pouring body and a fire-resistant layer, but the connection relation among the steel container, the pouring body and the fire-resistant layer is mostly surface-to-surface contact, the falling is easy to occur, and the integrity and the service life of the immersion pipe are reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a RH stove dip pipe to solve its inner bag of current dip pipe that proposes in the above-mentioned background art and adopt level and smooth terminal surface to carry out sealing connection in the junction, this kind of mode takes place easily to connect the dislocation and leads to the molten steel to flow, current dip pipe includes the steel courage, waters body and flame retardant coating, nevertheless the steel courage, it is the face-to-face contact mostly to water the relation of connection between body and the flame retardant coating, lead to droing easily, reduce the wholeness of dip pipe and life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a RH stove dip pipe, includes the dip pipe body, the dip pipe body is including watering the body, steel courage and flame retardant coating, the fixed anchor assembly that is equipped with a plurality of symmetry of lateral wall of steel courage, a plurality of symmetry anchor assembly's one end is all fixed and is equipped with the crotch, a plurality of crotch and anchor assembly all inlay with watering the body and establish and be connected, the bottom mounting of steel courage is equipped with the steel construction spare of two symmetries, two symmetries the steel construction spare all inlays with watering the body and establishes and be connected, four multiform chambers that the annular distributes are seted up to the lateral wall of flame retardant coating, four annular distributions the inside in many chambeies all alternates and is connected with the steel tenon strip, four the steel tenon strip all is located the inside wall and the annular distribution of steel courage.
As an optimized technical proposal of the utility model, the outer side wall of the casting body is fixedly provided with annular corundum.
As an optimized technical scheme of the utility model, the top fixedly connected with ring flange of steel courage.
As the utility model discloses a preferred technical scheme, the flame retardant coating is formed by the thermal-insulated magnesia carbon brick brickwork of a plurality of, just the inside wall of flame retardant coating is scribbled and is equipped with fire-resistant mud material.
As an optimized technical proposal of the utility model, the casting body is poured by aluminum silicate materials.
As an optimized technical scheme of the utility model, it has cement foaming material to fill in the gap that steel tenon strip and polymorphic chamber alternate to be connected with.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a RH stove dip pipe, through anchor assembly and steel structure spare and steel tenon strip and the multiform chamber that is equipped with for the face-to-face contact becomes the body contact between the body of casting, steel courage and the flame retardant coating, has increased the body of casting, the binding capacity between steel courage and the flame retardant coating, places and drops, improves life and wholeness, and through the cyclic annular corundum who is equipped with, the thermal shock stability of the dip pipe body has been improved, intensity and antiscour's performance, and the working environment that enables the dip pipe body and erode the molten steel is more durable under, to sum up, the utility model has the advantages of stability is good, mechanical strength is big, long service life.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic structural view of the refractory layer of the present invention.
In the figure: 1. ring corundum; 2. pouring a building body; 3. a steel liner; 4. a refractory layer; 5. an anchoring member; 6. hooking; 7. a flange plate; 8. steel tenon strips; 9. a steel structural member; 10. a multi-shaped cavity; 11. a heat-insulating magnesia carbon brick.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model provides a RH stove dip pipe, including the dip pipe body, the dip pipe body is including watering the body 2, steel courage 3 and flame retardant coating 4, the fixed anchor assembly 5 that is equipped with a plurality of symmetry of lateral wall of steel courage 3, the one end of the anchor assembly 5 of a plurality of symmetry is all fixed and is equipped with the crotch 6, a plurality of crotch 6 and anchor assembly 5 all with water the body 2 and inlay and establish and be connected, the bottom mounting of steel courage 3 is equipped with the steel construction 9 of two symmetries, the steel construction 9 of two symmetries all with water the body 2 and inlay and establish and be connected, four multiform chambers 10 that the annular distributes are seted up to the lateral wall of flame retardant coating 4, the inside of the how chamber 10 that four annular distribute all alternates and is connected with steel tenon strip 8, four steel tenon strips 8 all are located the inside wall and the.
Preferably, the annular corundum 1 is fixedly arranged on the outer side wall of the pouring body 2, so that the thermal shock stability, the strength and the anti-scouring performance of the dipping pipe body are improved, and the dipping pipe body is more durable in the working environment of molten steel scouring.
Preferably, the top end of the steel container 3 is fixedly connected with a flange 7, and the flange 7 is convenient for flange connection to the installation position.
Preferably, flame retardant coating 4 is formed by 11 brickwork of the thermal-insulated magnesia carbon brick of a plurality of, and the inside wall of flame retardant coating 4 is scribbled and is equipped with fire-resistant mud material, improves flame retardant coating 4's fire resistance, prevents the fracture.
Preferably, the casting body 2 is cast by an aluminum silicate material, so that the service life of the casting body 2 is prolonged, and the casting body is prevented from falling off.
Preferably, the steel tenon strip 8 and the multi-shape cavity 10 are filled with cement foaming materials in the gap formed by inserting connection, so that the steel liner 3 and the fire-resistant layer 4 are connected more firmly and are prevented from falling off.
When specifically using, the utility model relates to a RH stove dip pipe, when making the dip pipe body, build into flame retardant coating 4 with a plurality of thermal-insulated magnesia carbon brick 11 earlier, and set up the multiform chamber 10 that four annular distribute at the lateral wall of flame retardant coating 4, alternate with steel tenon strip 8 on the steel courage 3 and the multiform chamber 10 that corresponds and be connected, pack cement foaming material again in the gap that steel tenon strip 8 and multiform chamber 10 alternate to be connected, make steel courage 3 and flame retardant coating 4 connect more firmly, avoid droing, place the central point department of putting of cyclic annular corundum 1 with steel courage 3 at last, pour the aluminium silicate material and form in the gap and water body 2, wait for the cooling shaping, cyclic annular corundum 1 has improved the thermal shock stability of dip pipe body, intensity and anti-scouring's performance, it is more durable under the operational environment that the molten steel erodees to enable the dip pipe body, to sum up, the utility model discloses have good stability, the thermal-insulated magnesia carbon brick 11 is built into earlier, High mechanical strength and long service life.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A dip pipe of an RH furnace comprises a dip pipe body, and is characterized in that the dip pipe body comprises a casting body (2), a steel liner (3) and a fire-resistant layer (4), a plurality of symmetrical anchoring pieces (5) are fixedly arranged on the outer side wall of the steel liner (3), one ends of the symmetrical anchoring pieces (5) are respectively fixedly provided with a hook (6), the hooks (6) and the anchoring pieces (5) are respectively embedded and connected with the casting body (2), two symmetrical steel structural members (9) are fixedly arranged at the bottom end of the steel liner (3), the two symmetrical steel structural members (9) are embedded and connected with the casting body (2), the outer side wall of the fire-resistant layer (4) is provided with four multi-shaped cavities (10) distributed in an annular mode, the four multi-shaped cavities (10) distributed in an annular mode are internally and alternately connected with steel tenon strips (8), and the four steel tenon strips (8) are located on the inner side wall of the steel liner (3) and distributed in an annular mode.
2. The dip tube for an RH furnace according to claim 1, wherein: the outer side wall of the pouring body (2) is fixedly provided with annular corundum (1).
3. The dip tube for an RH furnace according to claim 1, wherein: the top end of the steel liner (3) is fixedly connected with a flange plate (7).
4. The dip tube for an RH furnace according to claim 1, wherein: the fireproof layer (4) is formed by building a plurality of heat-insulating magnesia carbon bricks (11), and the inner side wall of the fireproof layer (4) is coated with fireproof mud material.
5. The dip tube for an RH furnace according to claim 1, wherein: the casting body (2) is formed by casting aluminum silicate materials.
6. The dip tube for an RH furnace according to claim 1, wherein: gaps formed by the steel tenon strips (8) and the multi-shaped cavities (10) in the penetrating connection are filled with cement foaming materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771327.7U CN210711624U (en) | 2019-05-27 | 2019-05-27 | RH stove dip pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771327.7U CN210711624U (en) | 2019-05-27 | 2019-05-27 | RH stove dip pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210711624U true CN210711624U (en) | 2020-06-09 |
Family
ID=70932990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920771327.7U Active CN210711624U (en) | 2019-05-27 | 2019-05-27 | RH stove dip pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210711624U (en) |
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2019
- 2019-05-27 CN CN201920771327.7U patent/CN210711624U/en active Active
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