CN212864821U - Hot stove iron notch mud cover device in ore deposit - Google Patents
Hot stove iron notch mud cover device in ore deposit Download PDFInfo
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- CN212864821U CN212864821U CN202021461671.5U CN202021461671U CN212864821U CN 212864821 U CN212864821 U CN 212864821U CN 202021461671 U CN202021461671 U CN 202021461671U CN 212864821 U CN212864821 U CN 212864821U
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- hot stove
- ore deposit
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- iron notch
- iron
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Abstract
The utility model relates to a hot stove in ore deposit smelts technical field, provides a hot stove iron notch mud cover device in ore deposit for solve the hot stove furnace eye area carbon brick high temperature slag iron in the prior art erode, the oxidation problem, including hot stove main part in ore deposit and the division of the hot stove main part in ore deposit that uses with hot stove main part cooperation, it has the furnace eye to open in the hot stove main part in ore deposit, and the furnace eye department of hot stove main part in ore deposit is equipped with the connecting block, has set firmly the iron notch frame on the connecting block, and wherein open at the iron notch frame top has the hole of pouring, has poured the anticorrosive coating in the iron notch frame, and the iron notch frame side is; wherein the casting material in the taphole frame is silicon carbide; the solidified silicon carbide serving as an anticorrosive layer has high temperature resistance and is not easy to corrode and oxidize; the carbon bricks in the furnace eye area are protected from the problems of scouring, erosion and oxidation of high-temperature iron slag by pouring an anticorrosive layer formed by an anticorrosive material.
Description
Technical Field
The utility model relates to a hot stove in ore deposit smelts technical field, specificly relates to a hot stove in ore deposit taphole mud cover device.
Background
In the normal production process of the stokehole tapping system of the submerged arc furnace, the problem of erosion, corrosion and oxidation of carbon brick high-temperature slag iron in a stokehole area cannot be solved, continuous tapping can not be achieved, the burnthrough device is used for cleaning the area subjected to erosion and oxidation of a furnace eye which is off a production line after the stokehole is replaced, the cleaning and repairing time is long, the yield is lost after the stokehole is replaced, the burnthrough device is used for burning loss of carbon bricks at an iron hole for a long time, and the service life of a furnace lining of the submerged arc furnace is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot stove mouth mud cover device in ore deposit for solve among the prior art hot stove eye regional carbon brick high temperature slag iron of ore deposit erode, corrode, the oxidation problem.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the submerged arc furnace taphole mud sleeve device comprises a submerged arc furnace main body, a taphole chute fixed on the submerged arc furnace main body and an eye opening and plugging machine gun main body matched with the submerged arc furnace main body for use, wherein a furnace eye is formed in the submerged arc furnace main body, a connecting block is arranged at the furnace eye of the submerged arc furnace main body, a taphole frame is fixedly arranged on the connecting block, a pouring hole is formed in the top of the taphole frame, an anti-corrosion layer is poured into the taphole frame, and a taphole hole channel is formed in the side surface of the taphole frame; and the casting material in the taphole frame is silicon carbide.
The method comprises the following steps of additionally arranging a connecting block in a furnace eye of a submerged arc furnace main body and welding the connecting block on the submerged arc furnace main body, fixing an iron notch frame on the connecting block, pouring an anticorrosive material into a pouring hole of the iron notch frame, wherein the concrete pouring material is silicon carbide, and the solidified silicon carbide serving as an anticorrosive layer has high temperature resistance and is not easy to corrode and oxidize; and the reserved runner duct ensures that liquid molten iron can flow out, and an anticorrosive layer is formed by pouring anticorrosive materials, so that the carbon bricks in the furnace eye area are protected from the problems of scouring, erosion and oxidation of high-temperature iron slag.
As a preferable scheme, the hole opening and plugging machine gun body comprises a gun nozzle, a protective sleeve is fixedly arranged on the gun nozzle, and a protective cover is arranged on the protective sleeve; in order to ensure that the sheath does not extend into the furnace eye, the diameter of the sheath is required to be larger than the pore diameter of the runner duct; in order to smoothly send the stemming in the gun nozzle into the furnace eye, the sleeve with the cylindrical sheath is adopted; in order to ensure the stability after connection, the sheath is fixed on the gun nozzle of the gun main body of the hole opening and plugging machine in a welding mode.
The utility model has the advantages as follows:
(1) the furnace eye is filled with an anticorrosive material to form an anticorrosive layer, so that the problems of high-temperature slag iron scouring, erosion and oxidation of the carbon bricks in the furnace eye area of the submerged arc furnace in the prior art are solved, the burning loss and oxidation of the carbon bricks by overhauling the furnace eye are reduced, and the service life of the carbon bricks in the furnace eye area is prolonged.
(2) The improved gun nozzle can directly squeeze stemming into the furnace eye to achieve good sealing performance, and the problem that carbon bricks in the furnace eye are oxidized due to the fact that gaps are reserved between iron sheets of the gun nozzle and the furnace eye due to corrosive materials after the original gun nozzle is deeply inserted into the furnace eye is solved.
Drawings
FIG. 1 is a schematic view of the structure of the submerged arc furnace main body of the present invention at the furnace eye;
fig. 2 is a schematic structural diagram of the gun nozzle of the gun main body of the hole opening and plugging machine of the present invention;
figure 3 is a cross-sectional view of the connection of the muzzle, sheath and protective cover of the present invention;
reference numerals: 1. a submerged arc furnace main body; 2. connecting blocks; 3. a taphole frame; 4. a runner duct; 5. a gun nozzle; 6. a hole opening and plugging machine gun main body; 7. a sheath; 8. a protective cover; 9. a runner groove.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example (b):
as shown in fig. 1, an ore smelting furnace taphole mud sleeve device comprises an ore smelting furnace main body 1, a taphole chute 9 fixed on the ore smelting furnace main body 1 and an eye opening and blocking machine gun main body 6 matched with the ore smelting furnace main body 1 for use, wherein the ore smelting furnace main body 1 comprises a furnace eye, the ore smelting furnace main body 1 further comprises a connecting block 2 tightly attached to the furnace eye, an taphole frame 3 is fixedly arranged on the connecting block 2, the top of the taphole frame 3 is provided with a pouring hole, an anticorrosive material is poured into the taphole frame 3 to serve as an anticorrosive coating, and a taphole hole 4 which is communicated with the inside of the ore smelting furnace main body 1 and can allow liquid molten iron to flow out is arranged on the side surface of the taphole frame 3.
In the above structure: the method comprises the following steps of additionally arranging a connecting block 2 in a furnace eye of a submerged arc furnace main body 1 and welding the connecting block 2 on the submerged arc furnace main body 1, fixing an iron notch frame 3 on the connecting block 2, wherein the connecting block 2 is a steel plate with the thickness of 20mm, cutting the steel plate with the length of 800mm and the width of 500mm to be welded with an iron notch furnace shell, pouring an anticorrosive material into a pouring hole of the iron notch frame 3, wherein the concrete pouring material is silicon carbide, and the solidified silicon carbide serving as an anticorrosive layer has high temperature resistance and is not easy to corrode and oxidize; and the reserved runner duct 4 ensures that liquid molten iron can flow out, and an anticorrosive layer formed by pouring anticorrosive materials is used for protecting carbon bricks in the furnace eye area from the problems of scouring, erosion and oxidation of high-temperature iron slag.
In addition, as shown in fig. 2 and 3, the hole opener gun body 6 includes a gun nozzle 5, a sheath 7 is fixedly arranged on the gun nozzle 5, wherein a protective cover 8 is arranged on the sheath 7, wherein the protective cover 8 and the sheath 7 are connected by bolts, the protective cover 8 and the sheath 7 are fixed by screw holes arranged on the protective cover 8 and the sheath 7, and the protective cover 8 and the sheath 7 are fixed by matching the bolts through the screw holes, and the adopted threaded connection mode aims at facilitating disassembly and installation; subsequently, it is ensured that the sheath 7 does not extend into the furnace eye, so that the diameter of the sheath 7 is required to be larger than the pore diameter of the iron runner channel 4; then, in order to smoothly feed the stemming in the gun nozzle 5 into the furnace eye, a sheath 7 is adopted as a cylindrical sleeve; finally, in order to ensure the stability after connection, the sheath 7 is fixed on the gun nozzle 5 of the gun main body 6 of the hole opener and plugger by adopting a welding mode.
Therefore, through the hot stove iron notch mud cover device of ore deposit of this embodiment, it is applicable to the hot stove smelting professional field of ferroalloy ferrosilicon, silicomanganese, chromite, can effectually solve the hot stove eye region carbon brick high temperature slag iron of ore deposit erode, the oxidation problem, also can reduce the stove eye overhaul to carbon brick burning loss oxidation simultaneously, shorten stove eye region carbon brick life; secondly, the bottleneck problems of long furnace eye maintenance time, long furnace eye replacement period, loss of yield after furnace eye replacement and the like caused by iron leakage and iron leakage in the furnace eye maintenance process are avoided.
The embodiment of the utility model is the same as the above; the specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a hot stove in ore deposit taphole mud cover device, includes hot stove in ore deposit main part (1), fixes runner groove (9) on hot stove in ore deposit main part (1) and with hot stove in ore deposit main part (1) cooperation use cut and block the hole machine big gun main part (6), a serial communication port, hot stove in ore deposit main part (1) is opened there is the fire hole, the fire hole department of hot stove in ore deposit main part (1) is equipped with connecting block (2), iron notch frame (3) sets firmly on connecting block (2), open at iron notch frame (3) top has the hole of pouring, pour into the anticorrosive coating in iron notch frame (3), iron notch frame (3) side is equipped with runner pore (4).
2. The submerged arc furnace taphole mud sleeve device according to claim 1, characterized in that: the hole opening and blocking machine gun body (6) comprises a gun nozzle (5), a protective sleeve (7) is fixedly arranged on the gun nozzle (5), and a protective cover (8) is arranged on the protective sleeve (7).
3. The submerged arc furnace taphole mud sleeve device according to claim 1, characterized in that: the pouring material in the taphole frame (3) is silicon carbide.
4. The submerged arc furnace taphole mud sleeve device according to claim 2, characterized in that: the sheath (7) is a cylindrical sleeve.
5. The submerged arc furnace taphole mud sleeve device according to claim 4, characterized in that: the sheath (7) is welded on the gun nozzle (5) of the hole opening and plugging machine gun main body (6).
6. The submerged arc furnace taphole mud sleeve device according to claim 4, characterized in that: the diameter of the sheath (7) is larger than the pore diameter of the runner duct (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461671.5U CN212864821U (en) | 2020-07-22 | 2020-07-22 | Hot stove iron notch mud cover device in ore deposit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461671.5U CN212864821U (en) | 2020-07-22 | 2020-07-22 | Hot stove iron notch mud cover device in ore deposit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212864821U true CN212864821U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021461671.5U Active CN212864821U (en) | 2020-07-22 | 2020-07-22 | Hot stove iron notch mud cover device in ore deposit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212864821U (en) |
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2020
- 2020-07-22 CN CN202021461671.5U patent/CN212864821U/en active Active
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