CN211999805U - But LF stove quick replacement wire feeding pipe - Google Patents
But LF stove quick replacement wire feeding pipe Download PDFInfo
- Publication number
- CN211999805U CN211999805U CN202020175838.5U CN202020175838U CN211999805U CN 211999805 U CN211999805 U CN 211999805U CN 202020175838 U CN202020175838 U CN 202020175838U CN 211999805 U CN211999805 U CN 211999805U
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- positioning pin
- bell mouth
- mounting base
- conical bell
- furnace cover
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Abstract
The utility model provides a but LF stove quick replacement wire feeding pipe, characterized by: the method comprises the following steps: a conical bell mouth, a stainless steel high-temperature resistant steel pipe, a positioning pin, a lifting hole and a mounting base on the furnace cover; the conical bell mouth is arranged on the positioning pin; the hoisting holes are fixedly arranged on the two sides of the conical horn mouth on the positioning pin; the positioning pin is connected to a mounting base on the furnace cover; the stainless steel high-temperature resistant steel pipe is positioned at the lower part of the conical bell mouth and is integrally welded with the conical bell mouth; and the stainless steel high-temperature resistant steel pipe welded with the conical bell mouth is connected with the positioning pin and the mounting base on the furnace cover. The utility model has the advantages that: the wire feeding guide pipe has the advantages of simple structure, high alloy absorption rate, good deoxidation and desulfurization effects, effective reduction of impurity level, less impurity content, change of impurity appearance, inhibition of calcium boiling, no pollution, good environmental protection, small investment and obvious effect, and greatly improves the castability of molten steel.
Description
Technical Field
The utility model relates to a but LF stove external refining equipment technical field especially relates to a but LF stove quick replacement's wire feeding pipe.
Background
In the prior art, an LF furnace is one of the most widely applied external refining technologies at present, and the main tasks of the LF method are as follows: desulfurizing, deoxidizing, precisely controlling components and temperature, and improving the purity of molten steel. In recent years, due to the process technology of the metal product industry, the equipment level is continuously improved, the requirements on raw materials of medium-carbon steel, high-carbon steel and low-alloy steel are more and more strict, the requirements on the content of gas and impurities in steel are less and less, the size of the impurities is less and less, the physical quality of the steel is guaranteed, besides the operation process of the strengthening smelting technology, the argon blowing process is improved, the process control is strengthened, an external treatment process is adopted, the alloy wire is fed into a steel ladle by an alloy wire, the method is the simplest and feasible means, for example, the Ga-Si wire can be effectively desulfurized and deoxidized, the impurities are reduced, the appearance of the impurities is changed, and the. However, in the production process, the wire feeding guide pipe of most LF refining furnaces is too high from the molten steel surface, so that the wire is looped and cannot vertically reach the inside of the molten steel, the wire feeding efficiency is influenced, molten steel is sucked seriously due to calcium boiling, and inclusions in the steel are increased.
The quality of the molten steel is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide one kind and can solve and feed line in-process silk thread looper, the condition that the absorption rate is low jets into the molten steel depths with the silk thread with reasonable speed, approximate vertically angle, but reaches the LF stove quick replacement wire feeding pipe of desulfurization, deoxidization, reduction inclusion, change inclusion appearance.
The utility model discloses a solve the technical scheme that above-mentioned problem provided and be: a but LF stove quick replacement wire feeding pipe, characterized by: the method comprises the following steps: a conical bell mouth, a stainless steel high-temperature resistant steel pipe, a positioning pin, a lifting hole and a mounting base on the furnace cover; the conical bell mouth is arranged on the positioning pin; the hoisting holes are fixedly arranged on the two sides of the conical horn mouth on the positioning pin; the positioning pin is connected to a mounting base on the furnace cover; the stainless steel high-temperature resistant steel pipe is positioned at the lower part of the conical bell mouth and is integrally welded with the conical bell mouth; and the stainless steel high-temperature resistant steel pipe welded with the conical bell mouth is connected with the positioning pin and the mounting base on the furnace cover. It is also characterized in that: the positioning pin is inserted into a mounting base connected to the furnace cover. And the stainless steel high-temperature-resistant steel pipe welded with the conical bell mouth is connected with the positioning pin and the mounting base on the furnace cover in an inserting manner.
The utility model has the advantages that: the wire feeding guide pipe has the advantages of simple structure, high alloy absorption rate, good deoxidation and desulfurization effects, effective reduction of impurity level, less impurity content, change of impurity appearance, inhibition of calcium boiling, no pollution, good environmental protection, small investment and obvious effect, and greatly improves the castability of molten steel.
Drawings
FIG. 1 is a front sectional view of a rapidly replaceable wire feeding guide tube of an LF furnace according to an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
In the drawings: 1. a conical flare; 2. stainless steel high temperature resistant steel pipe; 3. positioning pins; 4. hoisting holes; 5. and a mounting base on the furnace cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. A LF furnace capable of quickly replacing a wire feeding guide pipe,
the method comprises the following steps: the furnace cover comprises a conical bell mouth 1, a stainless steel high-temperature resistant steel pipe 2, positioning pins 3 at two sides, a lifting hole 4 and a mounting base 5 on the furnace cover; the positioning pin 3 is connected to a mounting base 5 on the furnace cover; the stainless steel high-temperature resistant steel pipe 2 is positioned at the lower part of the conical bell mouth 1 and is integrally welded with the conical bell mouth 1; a stainless steel high-temperature resistant steel pipe 2 welded with the conical bell mouth 1 is connected with a positioning pin 3 and a mounting base 5 on the furnace cover. The positioning pin 3 is inserted into a mounting base 5 connected to the furnace cover. A stainless steel high-temperature resistant steel pipe 2 welded with the conical bell mouth 1 is inserted and connected with a positioning pin 3 and a mounting base 5 on the furnace cover. The hoisting holes 4 are fixedly arranged on the positioning pins 3 at two sides of the conical bell mouth 1. The utility model discloses the theory of operation is: when the stainless steel high-temperature resistant steel pipe 2 is corroded and shortened, the positioning pin 3 is pulled out of the mounting base 5 on the furnace cover only by hoisting through the hoisting hole 4, and a new standby wire feeding guide pipe is inserted into the mounting base 5 on the furnace cover again for use, so that the operation process is simple, convenient and quick, and the production rhythm is not influenced. When the device needs to be installed, a mounting base 5 on a furnace cover is fixedly mounted on a wire feeding hole of the LF furnace cover, then a stainless steel high-temperature steel pipe 2 of a wire feeding guide pipe is inserted into a middle hole of the mounting base 5 on the furnace cover, positioning pins 3 on two sides are inserted into positioning holes on two sides of the mounting base 5 on the furnace cover, and the installation can be completed; when wire feeding is needed, the wire is fed into the steel ladle molten steel through the guide pipe conical bell mouth 1 and the stainless steel high-temperature resistant steel pipe 2 to complete the wire feeding work.
Claims (3)
1. A but LF stove quick replacement wire feeding pipe, characterized by: the method comprises the following steps: a conical bell mouth (1), a stainless steel high-temperature resistant steel pipe (2), a positioning pin (3), a lifting hole (4) and a mounting base (5) on a furnace cover; the conical bell mouth (1) is arranged on the positioning pin (3); the hoisting holes (4) are fixedly arranged on two sides of the conical bell mouth (1) on the positioning pin (3); the positioning pin (3) is connected to a mounting base (5) on the furnace cover; the stainless steel high-temperature resistant steel pipe (2) is positioned at the lower part of the conical bell mouth (1) and is integrally welded with the conical bell mouth (1); a stainless steel high-temperature resistant steel pipe (2) welded with the conical bell mouth (1) is connected with a positioning pin (3) and a mounting base (5) on the furnace cover.
2. The LF furnace fast-replaceable wire feeding guide pipe as claimed in claim 1, wherein: the positioning pin (3) is inserted into a mounting base (5) connected on the furnace cover.
3. The LF furnace fast-replaceable wire feeding guide pipe as claimed in claim 1, wherein: a stainless steel high-temperature resistant steel pipe (2) welded with the conical bell mouth (1) is inserted and connected with the positioning pin (3) and the mounting base (5) on the furnace cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175838.5U CN211999805U (en) | 2020-02-17 | 2020-02-17 | But LF stove quick replacement wire feeding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175838.5U CN211999805U (en) | 2020-02-17 | 2020-02-17 | But LF stove quick replacement wire feeding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211999805U true CN211999805U (en) | 2020-11-24 |
Family
ID=73420056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175838.5U Active CN211999805U (en) | 2020-02-17 | 2020-02-17 | But LF stove quick replacement wire feeding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211999805U (en) |
-
2020
- 2020-02-17 CN CN202020175838.5U patent/CN211999805U/en active Active
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