CN212931032U - Three-phase electrode sealing device for submerged arc furnace - Google Patents
Three-phase electrode sealing device for submerged arc furnace Download PDFInfo
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- CN212931032U CN212931032U CN202021652940.6U CN202021652940U CN212931032U CN 212931032 U CN212931032 U CN 212931032U CN 202021652940 U CN202021652940 U CN 202021652940U CN 212931032 U CN212931032 U CN 212931032U
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Abstract
The utility model provides a hot stove three-phase electrode sealing device in ore deposit, this sealing device includes: the device comprises a group of annular sealing devices provided with electrode holes, an air cooling bin at the upper layer of the annular sealing devices, and a liquid cooling bin at the lower layer of the annular sealing devices; the gas cooling bin is an annular bin surrounding the electrode, and the upper part of the gas cooling bin is provided with a gas blowing hole with a downward opening, so that gas in the gas cooling bin is blown into the furnace body along a gap between the electrode and the electrode hole to form annular gas flow of sealed smoke.
Description
Technical Field
The utility model relates to a sealing device especially relates to a hot stove three-phase electrode sealing device in ore deposit.
Background
The submerged arc furnace continuously emits flue gas with high temperature, high heat and various harmful substances in the smelting and combustion process. The smoke is easy to gather at the top of the furnace body under the action of heat, a three-phase electrode needs to be installed on a furnace cover at the top of the furnace body, a certain gap needs to be reserved between the electrode and the furnace cover because the electrode has high-voltage current and the electrode needs to adjust the polar center distance according to the actual situation during smelting, and the smoke generated by smelting easily flows into the working environment or the atmospheric environment of an operator from the gaps, so that the smoke causes damage to the human body and pollutes the environment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the problem that exists among the prior art, provide a hot stove three-phase electrode sealing device in ore deposit.
The sealing device includes: the device comprises a group of annular sealing devices provided with electrode holes, an air cooling bin at the upper layer of the annular sealing devices, and a liquid cooling bin at the lower layer of the annular sealing devices; the gas cooling bin is an annular bin surrounding the electrode, and the upper part of the gas cooling bin is provided with a gas blowing hole with a downward opening, so that gas in the gas cooling bin is blown into the furnace body along a gap between the electrode and the electrode hole to form annular gas flow of sealed smoke.
Further, the number of the annular sealing devices is three. Are respectively sleeved on the outer circles of the three-phase electrodes and are arranged on the top of the furnace cover.
Furthermore, the gas required by the gas cooling bin is communicated with a gas inlet pipe arranged at the upper part, and the gas inlet pipe is divided into three paths to supply gas to the three gas cooling bins respectively.
Furthermore, the lower part of the air cooling bin is also provided with a liquid cooling bin, and a circular arc-shaped drainage plate is arranged in the liquid cooling bin, so that the flowing time of the cooling liquid in the liquid cooling bin is prolonged. The cooling liquid is preferably water with low cost.
Furthermore, one of the liquid cooling bins is provided with a liquid inlet hole and a liquid outlet hole, the liquid inlet hole and the liquid outlet hole are separated by a partition plate, and the other two liquid cooling bins are communicated with each other through liquid cooling pipes so as to obtain cooling liquid flowing in from the liquid inlet hole.
Furthermore, the annular sealing device is fixed at the top of the furnace cover through a mounting hole in the skirt edge, an insulating ladder sleeve is arranged in the mounting hole, and an insulating layer is further sleeved on the outer circle of the annular sealing device.
The technical effects of the utility model reside in that: at three-phase electrode externally mounted sealing device, utilize the annular gas cooling storehouse of encircleing at the electrode excircle, for the gas hole that the opening is decurrent provides gas, form decurrent annular air current, blow back the flue gas that upwards gushes out in the furnace body in the stove, the liquid cooling storehouse sets up between bell and gas cooling storehouse, continuously cool off whole device, prevent that the high temperature from causing whole device to take place to warp, it is not hard up to lead to the screw on the mounting hole to take place, through liquid cooling pipe intercommunication between three liquid cooling storehouse, only need at one of them liquid cooling storehouse set up the feed liquor hole and go out the liquid hole can. Because whole device is very close apart from the three-phase electrode distance, the position that mounting hole and sealing device outward appearance are easy to contact with the operator all sets up insulating protective layer, reinforcing device's security.
Drawings
Fig. 1 is a bottom view of the middle ring seal device of the present invention;
FIG. 2 is a cross-sectional view of the middle ring seal of the present invention;
FIG. 3 is a front view of the middle ring seal of the present invention;
fig. 4 is a sectional view of the middle ring seal device of the present invention.
In the figure, 1, an annular sealing device, 2, an air cooling bin, 3, a liquid cooling bin, 4, a mounting hole, 5, an insulating step sleeve, 6, an insulating layer, 7, an air inlet pipe, 10, an electrode hole, 21, an air blowing hole, 31, a liquid cooling pipe, 32, a drainage plate, 33, a partition plate, 34, a liquid inlet hole and 35, a liquid outlet hole are arranged.
Detailed Description
The following describes embodiments of the present invention with reference to fig. 1 to 4.
Fig. 1 and 2 illustrate the main structure of an annular seal device comprising: the device comprises a group of annular sealing devices 1 provided with electrode holes 10, an air cooling bin 2 on the upper layer of the annular sealing devices 1, and a liquid cooling bin 3 on the lower layer of the annular sealing devices 1; the gas cooling bin 2 is an annular bin surrounding the electrode, and the upper part of the gas cooling bin 2 is provided with a gas blowing hole 21 which is opened downwards, so that gas in the gas cooling bin 2 is blown into the furnace body along a gap between the electrode and the electrode hole 10 to form annular gas flow of sealed smoke; the number of the annular sealing devices 1 is three. Are respectively sleeved on the outer circles of the three-phase electrodes and are arranged on the top of the furnace cover.
The annular sealing device 1 is fixed on the top of the furnace cover through a mounting hole 4 on the skirt edge, an insulating ladder sleeve 5 is arranged in the mounting hole 4, and an insulating layer 6 is further sleeved on the excircle of the annular sealing device 1.
Fig. 3 illustrates the upper structure of the annular sealing device, the gas required by the gas cooling bin 2 is communicated with a gas inlet pipe 7 arranged at the upper part, and the gas inlet pipe 7 is divided into three paths to respectively supply gas to the three gas cooling bins 2.
Fig. 4 shows a cooling liquid flowing pipeline of the liquid cooling bin, the liquid cooling bin 3 is further arranged at the lower part of the air cooling bin 2, and a circular arc-shaped drainage plate 32 is arranged in the liquid cooling bin 3, so that the flowing time of the cooling liquid in the liquid cooling bin 3 is prolonged; one of the liquid cooling chambers 3 is provided with a liquid inlet hole 34 and a liquid outlet hole 35, the liquid inlet hole 34 and the liquid outlet hole 35 are separated by a partition plate, and the other two liquid cooling chambers 3 are respectively communicated with each other through the liquid cooling pipes 31 so as to obtain cooling liquid flowing in from the liquid inlet hole 34.
The working principle is as follows: air is divided into three paths from the air inlet pipe 7 and respectively introduced into the air cooling bin 2, the air is blown out from the annular air blowing holes 21 of the air cooling bin 2 and blown into the furnace body from the gap between the electrode hole 10 and the three-phase electrode, and upwelled flue gas is blown back into the furnace.
One of the liquid cooling bins 3 is provided with a liquid inlet hole 34 and a liquid outlet hole 35, the other two liquid cooling bins are communicated with the liquid cooling bin through a liquid cooling pipe 31, so that the three liquid cooling bins 3 only need one path of liquid inlet hole 34 and liquid outlet hole 35, the circular arc-shaped drainage plate 32 is arranged inside the liquid cooling bin 3, the flowing path of cooling liquid is prolonged, and the liquid can flow out from the liquid outlet hole 35 after the liquid fully exerts the cooling effect.
An insulating stepped sleeve 5 is sleeved in the mounting hole 4 to prevent a screw used for mounting from directly contacting with the body of the annular sealing device 1, and an insulating layer 6 is arranged outside the annular sealing device 1 to enhance the safety of the whole device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (6)
1. A three-phase electrode sealing device for a submerged arc furnace is characterized by comprising: a group of annular sealing devices (1) provided with electrode holes (10), an air cooling bin (2) on the upper layer of the annular sealing devices (1), and a liquid cooling bin (3) on the lower layer of the annular sealing devices (1);
the gas cooling bin (2) is an annular bin surrounding the electrode, and a gas blowing hole (21) with a downward opening is formed in the upper portion of the gas cooling bin (2), so that gas in the gas cooling bin (2) is blown into the furnace body along a gap between the electrode and the electrode hole (10) to form annular gas flow of sealed smoke.
2. The submerged arc furnace three-phase electrode sealing device according to claim 1, characterized in that the number of the annular sealing devices (1) is three, and the annular sealing devices are respectively sleeved on the outer circle of the three-phase electrode and are arranged on the top of the furnace cover.
3. The submerged arc furnace three-phase electrode sealing device according to claim 2, characterized in that the gas required by the gas cooling chamber (2) is communicated with a gas inlet pipe (7) arranged at the upper part, and the gas inlet pipe (7) is divided into three paths for supplying gas to the three gas cooling chambers (2).
4. The submerged arc furnace three-phase electrode sealing device according to claim 1, characterized in that a liquid cooling chamber (3) is further arranged at the lower part of the gas cooling chamber (2), and a circular arc-shaped flow guide plate (32) is arranged in the liquid cooling chamber (3) for increasing the time for the cooling liquid to flow in the liquid cooling chamber (3).
5. The submerged arc furnace three-phase electrode sealing arrangement according to claim 4, characterized in that one of the liquid cooling compartments (3) is provided with a liquid inlet opening (34) and a liquid outlet opening (35), the liquid inlet opening (34) and the liquid outlet opening (35) are separated by a partition, and the other two liquid cooling compartments (3) are each in communication with each other through a liquid cooling pipe (31) in order to obtain a cooling liquid flowing in from the liquid inlet opening (34).
6. The submerged arc furnace three-phase electrode sealing device according to claim 1, characterized in that the annular sealing device (1) is fixed on the top of the furnace cover through a mounting hole (4) on the skirt edge, an insulating step sleeve (5) is arranged in the mounting hole (4), and an insulating layer (6) is further sleeved on the outer circle of the annular sealing device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652940.6U CN212931032U (en) | 2020-08-11 | 2020-08-11 | Three-phase electrode sealing device for submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652940.6U CN212931032U (en) | 2020-08-11 | 2020-08-11 | Three-phase electrode sealing device for submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212931032U true CN212931032U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652940.6U Active CN212931032U (en) | 2020-08-11 | 2020-08-11 | Three-phase electrode sealing device for submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212931032U (en) |
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2020
- 2020-08-11 CN CN202021652940.6U patent/CN212931032U/en active Active
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