CN218539775U - Even accuse cold charge is equipped with for ultra-thin area annealing furnace - Google Patents
Even accuse cold charge is equipped with for ultra-thin area annealing furnace Download PDFInfo
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- CN218539775U CN218539775U CN202222573490.7U CN202222573490U CN218539775U CN 218539775 U CN218539775 U CN 218539775U CN 202222573490 U CN202222573490 U CN 202222573490U CN 218539775 U CN218539775 U CN 218539775U
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Abstract
The invention discloses uniform cooling control equipment for an ultrathin strip annealing furnace, which comprises a shell, a plurality of cooling radiation pipes and an electric heating module, wherein the plurality of cooling radiation pipes are divided into two groups and arranged in the shell, one group of cooling radiation pipes are arranged above a conveying strip steel in the furnace at intervals in sequence along the conveying direction of the strip steel, the other group of cooling radiation pipes are arranged below the conveying strip steel in the furnace at intervals in sequence along the conveying direction of the strip steel, and the electric heating module is arranged on the inner wall of the shell. The invention can meet the requirement of uniform cooling control of ultrathin strip steel, realizes the cooling rate of 10 ℃/s or even lower at the temperature of 1000 ℃, can control the cooling uniformity in the width direction of the plate, makes up the defects of the existing cooling control equipment, innovates the cooling control equipment, and has wide application prospect and use value.
Description
Technical Field
The invention relates to the technical field of metallurgy, in particular to uniform cooling control equipment for an ultrathin strip annealing furnace.
Background
In order to improve the properties of the hot or cold rolled strip, the strip is usually heat treated. In the heat treatment, the strip steel is generally heated to 300 ℃ to 1000 ℃, and the main functions of the annealing furnace serving as the main equipment of the heat treatment comprise heating, soaking, cooling and the like. For ultrathin strip steel, the cooling uniformity has a particularly obvious influence on the performance of the strip steel. On one hand, the cooling uniformity directly influences the surface quality of the strip steel, such as the planar smoothness and the flatness of the strip steel; on the other hand, the cooling uniformity also directly affects the metallographic structure distribution of the strip steel, thereby affecting the machinability of the strip steel. In the market aspect, the demand of ultra-thin non-oriented silicon steel for new energy automobiles is increasing day by day. For ultra-thin strips at about 1000 ℃, a cooling rate of 10 ℃/s is required and uniform cooling is required in the width direction of the strip. The conventional cooling equipment cannot meet the process requirement, so that the uniform cooling control equipment for the ultrathin strip annealing furnace is provided.
Disclosure of Invention
The invention aims to solve the technical problem of providing uniform cooling control equipment for an ultrathin strip annealing furnace, which can meet the requirement of uniform cooling control of ultrathin strip steel, realize the cooling rate of 10 ℃/s or even lower at the temperature of 1000 ℃, control the cooling uniformity in the width direction of a plate, make up the defects of the conventional cooling control equipment, innovate the cooling control equipment and have wide application prospect and high use value.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an even accuse cold equipment for ultra-thin area annealing furnace, includes casing, a plurality of cooling radiant tube and electric heat module, and a plurality of cooling radiant tubes divide into two sets of arranging in the casing, and a set of cooling radiant tube is arranged in the top of carrying belted steel in the stove along belted steel direction of delivery in proper order at interval, and another group cooling radiant tube is arranged in the below of carrying belted steel in the stove in proper order at interval along belted steel direction of delivery, and electric heat module arranges in the shells inner wall.
According to the technical scheme, the shell is lined with refractory materials.
According to the technical scheme, the outlet of the shell is provided with the plate thermometer.
According to the technical scheme, one end of the cooling radiant tube penetrates out of the shell and is connected with the radiant tube regulating valve.
According to the technical scheme, one group of cooling radiant tubes penetrate out from one side of the shell, and the other group of cooling radiant tubes penetrate out from the other side of the shell.
According to the technical scheme, the cooling radiant tube comprises an inner sleeve and an outer sleeve, one end of the outer sleeve is placed on one side of the shell, the other end of the outer sleeve penetrates out of the other side of the shell, one end of the inner sleeve is sleeved in the outer sleeve and extends into the tail end of the outer sleeve, and the other end of the inner sleeve is suspended outside the shell and is connected with the regulating valve.
According to the technical scheme, the cooling radiant tube is an I-shaped cooling radiant tube.
According to the technical scheme, the electric heating module is arranged on the inner wall of the shell through the electric mounting flange.
According to the technical scheme, the electric heating module is arranged at the bottom of the shell.
According to the technical scheme, the electric heating module comprises a plurality of electric heating bodies, the electric heating bodies are sequentially arranged at intervals along the width direction of the shell, and the refractory material at the bottom of the shell is arranged according to the electric heating bodies in a partitioning manner.
The invention has the following beneficial effects:
1. the invention can meet the requirement of uniform cooling control of ultrathin strip steel, realizes the cooling rate of 10 ℃/s or even lower at the temperature of 1000 ℃, can control the cooling uniformity in the width direction of the plate, makes up the defects of the existing cooling control equipment, innovates the cooling control equipment, and has wide application prospect and use value.
2. The I-shaped cooling pipe in the form of the inner sleeve and the outer sleeve is adopted, so that the surface uniformity of the cooling pipe is better; the electric heating body is divided into 3 parts along the width direction of the plate, so that the heating power can be flexibly adjusted along the width direction of the plate; the plate temperature meter arranged at the outlet of the furnace section can be used for independently adjusting the power of the partitioned electric heating body, and the adjustment precision is higher.
Drawings
FIG. 1 is a schematic structural diagram of a uniform controlled cooling device for an ultra-thin strip annealing furnace according to an embodiment of the invention;
FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
in the figure, 1-shell, 2-cooling radiant tube, 3-electric heating body, 4-refractory material, 5-strip steel, 6-radiant tube regulating valve and 7-plate thermometer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, the uniform cooling control equipment for the ultra-thin strip annealing furnace in one embodiment of the invention comprises a shell 1, a plurality of cooling radiant tubes 2 and an electric heating module, wherein the plurality of cooling radiant tubes 2 are divided into two groups and arranged in the shell, one group of cooling radiant tubes 2 are arranged above a strip steel conveyed in the furnace at intervals in sequence along the strip steel conveying direction, the other group of cooling radiant tubes 2 are arranged below the strip steel conveyed in the furnace at intervals in sequence along the strip steel conveying direction, and the electric heating module is arranged on the inner wall of the shell 1.
Further, the casing is lined with a refractory material.
Further, the outlet of the housing is provided with a plate thermometer 7.
Furthermore, one end of the cooling radiant tube 2 penetrates out of the shell 1 and is connected with a radiant tube adjusting valve 6.
Further, one set of cooling radiant tubes 2 passes out from one side of the housing 1, and the other set of cooling radiant tubes 2 passes out from the other side of the housing 1.
Furthermore, the cooling radiant tube 2 comprises an inner sleeve and an outer sleeve, one end of the outer sleeve is placed on one side of the shell, the other end of the outer sleeve penetrates out of the other side of the shell, one end of the inner sleeve is sleeved in the outer sleeve and extends into the tail end of the outer sleeve, and the other end of the inner sleeve is suspended outside the shell and is connected with a regulating valve.
Further, the cooling radiant tube 2 is an I-type cooling radiant tube.
Further, the electric heating module is arranged on the inner wall of the shell 1 through an electric mounting flange.
Further, the electric heating module is arranged at the bottom of the housing 1.
Further, the electric heating module comprises a plurality of electric heating bodies 3, the plurality of electric heating bodies 3 are sequentially arranged at intervals along the width direction of the shell, and the fireproof materials at the bottom of the shell are arranged in a partitioning mode according to the electric heating bodies 3.
Further, the number of the electric heaters 3 is 3, and the number of the electric heaters distributed in the width direction is not limited to 3.
The working principle of the invention is as follows: and the cold control section is provided with a partition heating function. The main components of the device are a shell, a lining refractory material, an I-shaped cooling radiant tube and an electric heating body.
1) And a refractory material is built in the shell for heat preservation. The inner fireproof material of the shell is specially designed so as to be convenient for arranging the electric heating bodies in a partition mode along the width direction of the plate.
2) The I-shaped cooling radiant tube in the form of an inner sleeve and an outer sleeve is adopted, cold air flows in from the inner sleeve, and the outer sleeve flows out.
3) The inner sleeve of the I-shaped cooling radiant tube is provided with an adjusting valve for adjusting the amount of cold air sucked, so that the cooling rate can be adjusted, and the requirement of a strip steel production process is met.
4) The electric heating body is arranged at the bottom of the furnace and is divided into 3 parts along the width direction of the plate.
5) The 3 parts of the electric heating body along the width direction of the plate can independently adjust the power according to the feedback of the plate temperature.
And a 3-point type plate thermometer or a scanning type plate thermometer is arranged at the outlet of the furnace section.
The invention mainly comprises a shell, an I-shaped cooling radiant tube, an electric heating body, a refractory material in the shell, a radiant tube regulating valve and a plate thermometer. The method is characterized in that: the side wall of the shell is provided with an I-shaped cooling radiation pipe and an electric heating body mounting flange, and the cooling radiation pipe and the electric heating body are connected and mounted with the shell according to arrangement. The I-shaped cooling pipe is of an inner sleeve and an outer sleeve, and a reinforcing rib support is arranged between the inner sleeve and the outer sleeve. One end of the cooling radiant tube is a cold air inlet, and the inlet of the inner sleeve is provided with an adjusting valve which can adjust the air inlet amount according to the requirement. The electric heating body is arranged at the bottom of the furnace and is divided into 3 parts along the width direction of the plate. The refractory material is designed in a partition mode according to the arrangement of the electric heating bodies, and 3 parts of the electric heating bodies are mutually separated. And a 3-point type plate thermometer or a scanning type plate thermometer is arranged at the outlet of the furnace section.
In conclusion, the invention can meet the requirement of uniform cooling control of ultrathin strip steel, realize the cooling rate of 10 ℃/s or even lower at the plate temperature of 1000 ℃, simultaneously control the cooling uniformity in the width direction of the plate, make up the defects of the existing cooling control equipment, innovate the cooling control equipment, and have wide application prospect and use value.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (10)
1. The utility model provides an even accuse cold equipment for ultra-thin area annealing furnace, a serial communication port, including casing (1), a plurality of cooling radiant tube (2) and electric heat module, a plurality of cooling radiant tube (2) divide into two sets of arranging in the casing, a set of cooling radiant tube (2) are arranged in the top of carrying belted steel in the stove along belted steel direction of delivery in proper order at interval, another group cooling radiant tube (2) are arranged in the below of carrying belted steel in the stove in proper order at interval along belted steel direction of delivery, electric heat module arranges in casing (1) inner wall.
2. The uniform controlled cooling apparatus for ultra-thin strip annealing furnaces as claimed in claim 1 wherein the shell lining is lined with refractory material.
3. The uniform controlled cooling equipment for ultra-thin strip annealing furnaces as claimed in claim 1 is characterized in that the outlet of the shell is provided with a plate thermometer (7).
4. The uniform controlled cooling equipment for the ultra-thin strip annealing furnace according to the claim 1, characterized in that one end of the cooling radiant tube (2) is connected with a radiant tube adjusting valve (6) through the shell (1).
5. The uniform cooling control equipment for the ultra-thin strip annealing furnace according to claim 1, characterized in that one group of cooling radiant tubes (2) is passed out from one side of the shell (1), and the other group of cooling radiant tubes (2) is passed out from the other side of the shell (1).
6. The uniform cooling control equipment for the ultra-thin strip annealing furnace according to claim 1, wherein the cooling radiant tube (2) comprises an inner sleeve and an outer sleeve, one end of the outer sleeve is placed at one side of the shell, the other end of the outer sleeve penetrates out from the other side of the shell, one end of the inner sleeve is sleeved in the outer sleeve and extends into the tail end of the outer sleeve, and the other end of the inner sleeve is suspended outside the shell and is connected with a regulating valve.
7. The uniform controlled cooling equipment for the ultra-thin strip annealing furnace according to claim 1, characterized in that the cooling radiant tube (2) is an I-shaped cooling radiant tube.
8. The uniform cooling control equipment for the ultra-thin strip annealing furnace as claimed in claim 1, wherein the electric heating module is arranged on the inner wall of the shell (1) through an electric mounting flange.
9. The uniform cooling control equipment for the ultra-thin strip annealing furnace according to claim 1, characterized in that the electric heating module is arranged at the bottom of the shell (1).
10. The uniform cooling control equipment for the ultra-thin strip annealing furnace according to claim 9, wherein the electric heating module comprises a plurality of electric heating bodies (3), the plurality of electric heating bodies (3) are sequentially arranged at intervals along the width direction of the shell, and the refractory material at the bottom of the shell is arranged according to the electric heating bodies (3) in a partition mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573490.7U CN218539775U (en) | 2022-09-27 | 2022-09-27 | Even accuse cold charge is equipped with for ultra-thin area annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222573490.7U CN218539775U (en) | 2022-09-27 | 2022-09-27 | Even accuse cold charge is equipped with for ultra-thin area annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218539775U true CN218539775U (en) | 2023-02-28 |
Family
ID=85274312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222573490.7U Active CN218539775U (en) | 2022-09-27 | 2022-09-27 | Even accuse cold charge is equipped with for ultra-thin area annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218539775U (en) |
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2022
- 2022-09-27 CN CN202222573490.7U patent/CN218539775U/en active Active
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