CN220887586U - Slag measurer for molten iron - Google Patents
Slag measurer for molten iron Download PDFInfo
- Publication number
- CN220887586U CN220887586U CN202322637721.0U CN202322637721U CN220887586U CN 220887586 U CN220887586 U CN 220887586U CN 202322637721 U CN202322637721 U CN 202322637721U CN 220887586 U CN220887586 U CN 220887586U
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- CN
- China
- Prior art keywords
- operating rod
- slag
- molten iron
- supporting disc
- measuring
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000002893 slag Substances 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000011179 visual inspection Methods 0.000 abstract description 4
- 238000009628 steelmaking Methods 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of steelmaking measuring tools, and particularly relates to a molten iron slag measuring device which comprises a supporting disc, an operating rod, a fastening bolt and a measuring tube; the center of the supporting disc is provided with a through hole, the operating rod is welded on the center of the supporting disc, the center of the operating rod and the center of the through hole on the supporting disc are positioned on the same straight line, and the operating rod is provided with a positioning hole; by adopting the slag measuring device, the whole structure is simple, the cost is controllable, only the measuring rod is in contact with molten iron in the slag measuring process, and the supporting disc is arranged to be in contact with the slag surface of the molten iron, so that the slag measuring device is stable; the replaceable measuring rod can be reused; the current situation that the molten iron slag quantity of the cover surface is evaluated by means of visual inspection solves the problems encountered in the actual production process of workers, and improves the safety of the workers in daily slag measurement operation.
Description
Technical Field
The utility model belongs to the technical field of steelmaking measuring tools, and particularly relates to a molten iron slag measuring device.
Background
Molten iron is a main raw material produced by a steel mill, molten iron slag contains a large amount of Si, P, S and other elements which are unfavorable for converter smelting, if the amount of molten iron slag is too large, the consumption of slag-making materials of a converter is increased, and the converter is not easy to make so as to cause splashing, thereby increasing the loss of metal materials; secondly, the smelting S removal rate of the converter is low, the increase of the slag amount of molten iron is unfavorable for the S removal of the converter, and the S content of the end point of the converter is discharged, so that the components of the molten steel are unqualified; in addition, too high molten iron slag amount can aggravate corrosion of the refractory of the converter, which is unfavorable for safe operation of the refractory of the converter and increases maintenance cost of the refractory. With the gradual development of the converter process, the molten iron and slag quantity needs to be controlled to a lower level, but at present, the molten iron and slag quantity is estimated by visual inspection, the slag quantity cannot be accurately calculated, fluctuation is caused to the converter production by the change of the slag quantity, and the uncertainty of the molten iron and slag quantity causes that the production cost cannot be accurately calculated for iron making and steel making, so that the actual production condition cannot be reflected.
Disclosure of utility model
The utility model aims to provide a molten iron slag measuring device so as to solve the technical problems.
In order to achieve the above object, the present utility model provides the following technical solutions;
A molten iron slag detector comprises a supporting disc, an operating rod, a fastening bolt and a measuring tube; the center of the supporting disc is provided with a through hole, the operating rod is welded on the center of the supporting disc, the center of the operating rod and the center of the through hole on the supporting disc are positioned on the same straight line, and the operating rod is provided with a positioning hole;
furthermore, the operating rod adopts a hollow welded pipe with the diameter of 20mm, is bent into a right angle and is divided into a vertical operating rod and a parallel operating rod, the length of the vertical operating rod vertical to the disc is 150-1806 m, and the length of the parallel operating rod parallel to the supporting disc can be set according to the actual operation requirement of operation;
Further, the diameter of the through hole in the center of the supporting disc corresponds to the diameter of the vertical operating rod, and the diameter of the through hole is 20mm;
Further, the positioning hole is arranged on the vertical operation rod, and the distance between the positioning hole and the supporting disc is 10-156 m;
further, the fastening bolt is in threaded connection with the positioning hole;
Furthermore, the measuring tube adopts a hollow welded tube with the diameter of 10mm, the hollow welded tube can be inserted into the vertical operating rod through the through hole 1 on the supporting disc, and the length of the measuring tube is 15-206 m longer than that of the operating rod;
compared with the prior art, the utility model has the following beneficial effects:
by adopting the slag measuring device, the whole structure is simple, the cost is controllable, only the measuring rod is in contact with molten iron in the slag measuring process, and the supporting disc is arranged to be in contact with the slag surface of the molten iron, so that the slag measuring device is stable; the replaceable measuring rod can be reused; the current situation that the molten iron slag quantity of the cover surface is evaluated by means of visual inspection solves the problems encountered in the actual production process of workers, and improves the safety of the workers in daily slag measurement operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of a support disk of the present utility model;
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a slag measurer for molten iron includes a supporting disk 5, an operating rod 4, a fastening bolt 3, and a measuring pipe 6; the center of the supporting disc 5 is provided with a through hole 1, the operating rod 41 is welded on the upper center of the supporting disc, the center of the operating rod 41 and the center of the through hole 1 on the supporting disc 5 are in the same straight line, and the operating rod 4 is provided with a positioning hole 2;
Further, the operating rod 4 is a hollow welded pipe with the diameter of 20mm, is bent into a right angle and is divided into a vertical operating rod 41 and a parallel operating rod 42, the length of the vertical operating rod 41 vertical to the disc 5 is 150-1806 m, and the length of the parallel operating rod 42 parallel to the supporting disc 5 can be set according to the actual operation requirement of operation;
further, the diameter of the through hole 1 in the center of the supporting disc 5 corresponds to the diameter of the vertical operation rod 41, and the diameter of the through hole is 20mm;
Further, the positioning hole 2 is arranged on the vertical operation rod 41, and the distance between the positioning hole 2 and the supporting disc 5 is 10-156 m;
Further, the fastening bolt 3 is in threaded connection with the positioning hole 2;
Furthermore, the measuring tube 6 is a hollow welded tube with the diameter of 10mm, the hollow welded tube can be inserted into the vertical operating rod 41 through the through hole 1 on the supporting disc 5, and the length of the measuring tube 6 is 15-206 m longer than the length of the operating rod 41;
in the concrete implementation process of the utility model, before use, the measuring rod 6 is inserted into the vertical operation rod 41 through the through hole 1 on the supporting disc 5, the length of the measuring rod 6 is 15-206 m outside the supporting disc 5, the length can be adjusted according to the thickness of the slag layer, after the measuring rod 6 is adjusted, the fastening bolt 3 is screwed, the measuring rod 6 is ensured to be tightly clamped, and the measuring rod 6 is prevented from moving.
After the measuring rod 6 is tightly propped, an operator inserts the measuring rod 6 into the molten iron 4 through the parallel operating rod 42, and at the moment, the supporting disc falls on the slag layer to play a role in supporting and positioning.
After the rod 6 to be measured stays in the molten iron 4 for 2 minutes, an operator takes out the slag measuring device through the parallel operation rod 42, the measuring rod 6 entering the molten iron is melted completely, the measuring rod 6 in the slag layer is not melted due to lower slag temperature, and the length of the measuring rod 6 with a plurality of supporting discs is measured by a tape measure to obtain the thickness of the layer.
After the measurement is completed, the fastening bolt 3 is unscrewed, the measuring tube 6 is drawn out to a required length, then the fastening bolt 3 is screwed, and one measuring tube can measure 7-8 times according to the thickness of the slag layer and the length of the measuring rod 6 after the next measurement.
By adopting the slag measuring device, the whole structure is simple, the cost is controllable, only the measuring rod is in contact with molten iron in the slag measuring process, and the supporting disc is arranged to be in contact with the slag surface of the molten iron, so that the slag measuring device is stable; the replaceable measuring rod can be reused; the current situation that the molten iron slag quantity of the cover surface is evaluated by means of visual inspection solves the problems encountered in the actual production process of workers, and improves the safety of the workers in daily slag measurement operation.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The molten iron slag detector is characterized by comprising a supporting disc (5), an operating rod (4), a fastening bolt (3) and a measuring tube (6); the center of the supporting disc (5) is provided with a through hole (1), the operating rod (4) is welded on the center of the supporting disc, the center of the operating rod (4) and the center of the through hole (1) on the supporting disc (5) are positioned on the same straight line, and the operating rod (4) is provided with a positioning hole (2).
2. The molten iron slag measuring device as set forth in claim 1, wherein: the operating rod (4) is a hollow welded pipe with the diameter of 20mm, is bent into a right angle and is divided into a vertical operating rod (41) and a parallel operating rod (42), the length of the vertical operating rod (41) vertical to the disc (5) is 150-1806 m, and the length of the parallel operating rod (42) parallel to the supporting disc (5) can be set according to the actual operation requirement.
3. The molten iron slag measuring device as set forth in claim 2, wherein: the diameter of the through hole (1) in the center of the supporting disc (5) corresponds to the diameter of the vertical operating rod (41), and the diameter of the through hole is 20mm.
4. The molten iron slag measuring device as set forth in claim 1, wherein: the positioning holes (2) are arranged on the vertical operating rod (41), and the distance between the positioning holes (2) and the supporting disc (5) is 10-156 m.
5. The molten iron slag measuring device as set forth in claim 1, wherein: the fastening bolt (3) is in threaded connection with the positioning hole (2).
6. The molten iron slag measuring device as set forth in claim 1, wherein: the measuring tube (6) is a hollow welded tube with the diameter of 10mm, the hollow welded tube can be inserted into the vertical operating rod (41) through the through hole (1) on the supporting disc (5), and the length of the measuring tube (6) is 15-206 m longer than that of the vertical operating rod (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637721.0U CN220887586U (en) | 2023-09-27 | 2023-09-27 | Slag measurer for molten iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637721.0U CN220887586U (en) | 2023-09-27 | 2023-09-27 | Slag measurer for molten iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887586U true CN220887586U (en) | 2024-05-03 |
Family
ID=90870189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637721.0U Active CN220887586U (en) | 2023-09-27 | 2023-09-27 | Slag measurer for molten iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887586U (en) |
-
2023
- 2023-09-27 CN CN202322637721.0U patent/CN220887586U/en active Active
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