CN218059077U - Endoscopic device for slag overflow of steel tapping furnace mouth behind converter and furnace condition - Google Patents
Endoscopic device for slag overflow of steel tapping furnace mouth behind converter and furnace condition Download PDFInfo
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- CN218059077U CN218059077U CN202220931143.4U CN202220931143U CN218059077U CN 218059077 U CN218059077 U CN 218059077U CN 202220931143 U CN202220931143 U CN 202220931143U CN 218059077 U CN218059077 U CN 218059077U
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Abstract
The utility model relates to the field of converter steelmaking, in particular to an endoscopic device for slag overflow at a steel tapping furnace mouth and the condition in a converter behind the converter. An endoscopic device for slag overflow at a steel tapping furnace mouth and the condition in a converter after the converter is heated comprises a converter (1) and a heat insulation wall (2), and is characterized in that: the heat insulation wall is characterized by further comprising a first endoscope head (41) and a second endoscope head (42), wherein a first opening hole (21) and a second opening hole (22) are sequentially formed in the heat insulation wall (2) from top to bottom along the vertical direction, the first endoscope head (41) is arranged in the first opening hole (21), the second endoscope head (42) is arranged in the second opening hole (22), and probe ends of the first endoscope head (41) and the second endoscope head (42) face the furnace mouth side of the converter (1). The utility model discloses simple to operate is convenient for survey.
Description
Technical Field
The utility model relates to the field of converter steelmaking, in particular to an endoscopic device for slag overflow at a steel tapping furnace mouth and the condition in a converter behind the converter.
Background
The 'dog nest' of the converter is accessory equipment of the converter, and the dog nest is used for independently sealing the converter body in a steelmaking workshop to prevent furnace fire, high temperature, dust and molten steel from leaking and splashing. At present, a converter has no condition that a fire stopping sliding door behind the converter and a pinhole corner lens (camera) arranged on a dog house peep into a tapping furnace mouth and slag overflowing from the furnace inside, so that an operator in a tapping operation chamber can not see the condition of the furnace mouth when the converter taps, slag in the furnace mouth is easy to burn out a ladle car cable and a ladle car device under the converter, and a large amount of slag in the furnace mouth flows into a ladle in the early tapping period to cause unqualified and scrapped quality of whole ladle molten steel.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an auxiliary device for a converter, which is convenient to install and detect, and discloses an endoscopic device for the slag overflow at the tapping furnace mouth and the condition in the converter behind the converter.
The utility model discloses a following technical scheme reaches the invention purpose:
the utility model provides an peep device in what be used for tapping fire hole excessive sediment and stove circumstances behind converter stove, includes converter and thermal-insulated wall, and the fire hole side of converter is located to the thermal-insulated wall, is equipped with the fender fire of over-and-under type on the thermal-insulated wall and moves the door, and the isolated region of thermal-insulated wall is converter kennel, characterized by: also comprises a first endoscope head and a second endoscope head,
a first opening and a second opening are sequentially formed in the heat insulation wall from top to bottom along the vertical direction, a first endoscope head is arranged in the first opening, a second endoscope head is arranged in the second opening, and probe ends of the first endoscope head and the second endoscope head face the furnace opening side of the converter;
the positions of both the first and second openings are determined as follows:
when the converter rotates upwards from the horizontal position to the position where the central line of the converter and the plumb line form an alpha angle, the central axis of the first opening is over against the central point of the converter mouth of the converter;
when the converter is rotated from the horizontal position downward to an angle β between the center line of the converter and the downward direction of the plumb line, the center axis of the second opening faces the upper half of the converter.
The endoscopic device for the slag overflow of the steel tapping furnace mouth and the condition in the furnace after the converter is heated is characterized in that: the first endoscope head and the second endoscope head both adopt 120-degree pinhole corner endoscope heads.
The endoscopic device for the slag overflow of the steel tapping furnace mouth and the condition in the furnace after the converter is heated is characterized in that: alpha is 60-65 degrees, beta is 100-110 degrees.
The utility model discloses the upper and lower position that is close to the fire-stopping sliding door and the kennel of converter central line department as far as possible behind the converter installs first endoscope head and second endoscope head respectively, calculates its mounting height apart from ground according to different converter and kennel sizes, and the converter mouth overflows the sediment and the condition in the stove during observation tapping, and the second endoscope head of installing in the low position also can be in time clear observation converter's tapping hole sediment;
the observation starting angle alpha of the first endoscope head is 60-65 degrees, the observation ending angle beta of the second endoscope head is 100-110 degrees, the observation strokes of the two endoscope heads are partially overlapped, the full stroke condition of the furnace mouth during tapping can be observed, the visual field range is large, and the image is clear;
the two endoscope lenses are all 120-degree pinhole corner lenses, the focal length f is 3-10 mm, the length is customized according to needs, compressed air is introduced for cooling, and two vortex refrigeration devices are arranged.
The two endoscope heads are vertically inserted through the small hole of the fire-stopping sliding door or the small hole of the kennel in sequence, so that the installation and debugging are very convenient;
when the fire-stopping sliding door needs to be opened, the two endoscope heads can be pulled out.
The utility model can monitor the tapping furnace mouth and the condition in the furnace in the whole process during tapping through the two endoscope heads, monitor the tapping hole slag (foam slag) in the early stage of tapping, effectively prevent the tapping furnace mouth from slag, and obtain the fastest tapping speed and the least tapping hole slag inclusion by the auxiliary operation of swinging the furnace downwards; by combining with the visual identification software of the slag overflowing from the furnace mouth, the furnace can be stopped or lifted when the slag overflows from the furnace mouth or the steel tapping hole, thereby preventing accidents.
The utility model discloses following beneficial effect has: the device is convenient to install and detect, and detection content is comprehensive.
Drawings
Figure 1 is a schematic illustration of the position determination of a first opening in the present invention,
fig. 2 is a schematic diagram of the position determination of the second opening of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
An endoscopic device for slag overflow and furnace conditions at a steel tapping furnace mouth behind a converter comprises a converter 1, a heat insulation wall 2, a first endoscopic lens 41 and a second endoscopic lens 42, and as shown in figures 1 and 2, the endoscopic device has the following specific structure:
the heat insulation wall 2 is arranged on the side of a furnace mouth of the converter 1, the heat insulation wall 2 is provided with a lifting type fire blocking sliding door 3, and the area separated by the heat insulation wall 2 is a converter doghouse;
a first opening 21 and a second opening 22 are sequentially arranged on the heat insulation wall 2 from top to bottom along the vertical direction, a first endoscope head 41 is arranged in the first opening 21, a second endoscope head 42 is arranged in the second opening 22, and the probe ends of the first endoscope head 41 and the second endoscope head 42 face the furnace mouth side of the converter 1;
the positions of both the first and second openings 21 and 22 are determined as follows:
as shown in fig. 1: when the converter 1 rotates upwards from the horizontal position to the position that the central line of the converter 1 and the upward direction of the plumb line form an angle alpha, the central axis of the first opening 21 is over against the central point of the converter mouth of the converter 1;
as shown in fig. 2: when the converter 1 is rotated from the horizontal position downwards to an angle β between the centre line of the converter 1 and the downwards direction of the plumb line, the centre axis of the second opening 22 faces the upper half of the converter 1.
In this embodiment: the first endoscope head 41 and the second endoscope head 42 both adopt 120-degree pinhole corner endoscope heads.
Alpha is 60-65 degrees, and the alpha is 63 degrees in the embodiment; beta is 100-110 deg. and in this embodiment is 105 deg..
In the embodiment, the first endoscope head 41 and the second endoscope head 42 are respectively arranged at the upper and lower positions of the fire-stopping sliding door 3 and the kennel which are as close to the central line of the converter 1 as possible behind the converter 1, the installation height of the fire-stopping sliding door 3 and the kennel from the ground is calculated according to different sizes of the converter and the kennel, the slag overflowing from the converter 1 and the condition in the converter are observed during tapping, and the slag falling from the tapping hole of the converter 1 can be timely and clearly observed by the second endoscope head 42 arranged at the lower position;
the observation starting angle alpha of the first endoscope head 41 is 60-65 degrees, the observation ending angle beta of the second endoscope head 42 is 100-110 degrees, the observation strokes of the two endoscope heads are partially overlapped, the full stroke condition of a furnace mouth during tapping can be observed, the visual field range is large, and the image is clear;
the two endoscopic lenses are 120-degree pinhole corner lenses, the focal length f is 3-10 mm, the length is customized according to the requirement, compressed air is introduced for cooling, and two vortex refrigeration devices are arranged.
The two endoscope heads are vertically inserted through the small hole of the fire-stopping sliding door 3 or the small hole of the kennel in sequence, so that the installation and debugging are very convenient;
when the fire-stopping sliding door 3 needs to be opened, the two endoscope heads can be pulled out.
According to the embodiment, through the two endoscope heads, the tapping furnace hole and the furnace inner condition can be monitored in the whole process during tapping, slag (foam slag) at the tapping furnace hole in the early stage of tapping can be monitored, the slag at the tapping furnace hole is effectively prevented from being discharged, and the furnace is operated to swing downwards to obtain the fastest tapping speed and the minimum slag inclusion at the tapping hole in an auxiliary manner; by combining with the visual identification software of the slag overflowing from the furnace mouth, the furnace can be stopped or lifted when the slag overflows from the furnace mouth or the steel tapping hole, thereby preventing accidents.
Claims (3)
1. The utility model provides an peep device in what be used for tapping fire door excessive sediment and stove circumstances behind converter stove, includes converter (1) and thermal-insulated wall (2), and the fire door side of converter (1) is located in thermal-insulated wall (2), is equipped with fender fire sliding door (3) of over-and-under type on thermal-insulated wall (2), characterized by: further comprises a first endoscope head (41) and a second endoscope head (42),
a first opening (21) and a second opening (22) are sequentially arranged on the heat insulation wall (2) from top to bottom along the vertical direction, a first endoscope head (41) is arranged in the first opening (21), a second endoscope head (42) is arranged in the second opening (22), and the probe ends of the first endoscope head (41) and the second endoscope head (42) face the furnace mouth side of the converter (1);
the positions of both the first opening (21) and the second opening (22) are determined as follows:
when the converter (1) rotates upwards from the horizontal position to the position that the central line of the converter (1) and the upward direction of the plumb line form an angle alpha, the central axis of the first opening hole (21) is over against the central point of the converter mouth of the converter (1);
when the converter (1) is rotated downwards from the horizontal position to the angle beta between the central line of the converter (1) and the downward direction of the plumb line, the central axis of the second opening (22) is opposite to the upper half part of the converter (1).
2. The endoscopic apparatus for the slag overflow and the condition inside the converter after tapping from the converter mouth as claimed in claim 1, wherein: the first endoscope head (41) and the second endoscope head (42) both adopt 120-degree pinhole corner endoscope heads.
3. The endoscopic apparatus for the slag overflow and the internal conditions of the converter mouth after the converter tapping as claimed in claim 1 or 2, wherein: alpha is 60-65 degrees, beta is 100-110 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220931143.4U CN218059077U (en) | 2022-04-21 | 2022-04-21 | Endoscopic device for slag overflow of steel tapping furnace mouth behind converter and furnace condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220931143.4U CN218059077U (en) | 2022-04-21 | 2022-04-21 | Endoscopic device for slag overflow of steel tapping furnace mouth behind converter and furnace condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218059077U true CN218059077U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220931143.4U Active CN218059077U (en) | 2022-04-21 | 2022-04-21 | Endoscopic device for slag overflow of steel tapping furnace mouth behind converter and furnace condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218059077U (en) |
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2022
- 2022-04-21 CN CN202220931143.4U patent/CN218059077U/en active Active
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