CN215143417U - Cooling device for finished hot-rolled narrow strip steel product - Google Patents
Cooling device for finished hot-rolled narrow strip steel product Download PDFInfo
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- CN215143417U CN215143417U CN202120517161.3U CN202120517161U CN215143417U CN 215143417 U CN215143417 U CN 215143417U CN 202120517161 U CN202120517161 U CN 202120517161U CN 215143417 U CN215143417 U CN 215143417U
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- chain plate
- conveying chain
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Abstract
The utility model relates to a metallurgical equipment technical field especially relates to a hot rolling ribbon steel finished product cooling device. The finished strip steel product is positioned on a conveying chain plate, and the conveying chain plate is controlled by a control system to start and stop; the cooling device comprises two annular turbid water branch pipes which are arranged on two sides of the conveying chain plate in parallel, through holes which are opposite to the finished strip steel products are formed in the annular turbid water branch pipes at certain intervals, and a nozzle for spraying cooling water is fixed on each through hole; one end of each of the two circular turbid water branch pipes is communicated with a turbid circular water main pipeline on the water storage tank through a corresponding connecting pipe; the connecting pipe is provided with an electric butterfly valve, and the electric butterfly valve is associated with a control system of the conveying chain plate, so that the cooling device can be started and stopped synchronously with the conveying chain plate. The device can cool the band steel product after final rolling, thereby controlling the continuous secondary oxidation of the band steel product after final rolling caused by overhigh temperature.
Description
Technical Field
The utility model relates to a metallurgical equipment technical field especially relates to a hot rolling ribbon steel finished product cooling device.
Background
The production line of the hot-rolled narrow strip steel needs to heat a steel billet to 1300 ℃, then the steel billet is rolled into a strip steel product through the procedures of descaling, rough rolling unit, finishing rolling unit and the like, the production line of the narrow strip steel is basically coiled vertically, the strip steel is erected through a torsion guide groove behind the rolling unit, is conveyed to a conveying chain plate through a pinch roll and then is collected through a vertical coiling machine, but the temperature of a strip steel finished product after final rolling reaches the conveying chain plate is 900 ℃, the surface of the strip steel is continuously oxidized at a high temperature state, and thick iron scale is formed, so that the problems of difficult pickling, increased consumption, reduced production efficiency and the like of a downstream cold rolling user are caused in use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned technical problem that prior art exists, the utility model discloses a hot rolling ribbon steel finished product cooling device. The device can cool the band steel product after final rolling, thereby controlling the continuous secondary oxidation of the band steel product after final rolling caused by overhigh temperature.
The utility model provides a specific technical scheme as follows:
a cooling device for a finished hot-rolled narrow strip steel product is characterized in that the finished strip steel product is positioned on a conveying chain plate, and the conveying chain plate is controlled by a control system to start and stop; the cooling device comprises two annular turbid water branch pipes which are arranged on two sides of the conveying chain plate in parallel, through holes which are opposite to the finished strip steel products are formed in the annular turbid water branch pipes at certain intervals, and a nozzle for spraying cooling water is fixed on each through hole;
one end of each of the two circular turbid water branch pipes is communicated with a turbid circular water main pipeline on the water storage tank through a corresponding connecting pipe; the connecting pipe is provided with an electric butterfly valve, and the electric butterfly valve is associated with a control system of the conveying chain plate, so that the cooling device can be started and stopped synchronously with the conveying chain plate.
Furthermore, the nozzle is fan-shaped, bar-shaped or shower-head-shaped.
Furthermore, the turbid water circulating branch pipe is fixed on the side guide plates on two sides of the conveying chain plate.
Furthermore, the length of the annular turbid water branch pipe is 24m, the diameter of the annular turbid water branch pipe is 65mm, and the distance between adjacent nozzles on the same annular turbid water branch pipe is 300 mm.
The utility model has the advantages as follows:
the utility model has simple and reasonable structure, and the two sides of the conveying chain plate are provided with the annular turbid water branch pipes communicated with the annular turbid water main pipe, and the annular turbid water branch pipes are provided with nozzles which are just opposite to the finished strip steel products; the automatic cooling device is characterized by further comprising an electric butterfly valve for controlling cooling water, wherein the electric butterfly valve is associated with a control system of the conveying chain plate, when the conveying chain plate is opened in a conveying mode, the electric butterfly valve is opened simultaneously, the cooling water in the water storage tank is sprayed out from the spray nozzles to form a sector, and the strip steel finished product on the chain plate can be uniformly cooled in the largest range.
Practice proves that after rolled strip steel products reach the conveying chain plate, the cooling device cools the surface of the strip steel, and reduces the coiling and collecting temperature of the strip steel.
Drawings
FIG. 1 is a top view of a cooling device according to an embodiment of the present invention;
fig. 2 is a side view from a-a of fig. 1.
In the figure: 1. conveying chain plates; 2. finishing the strip steel; 3. a circulating turbid water branch pipe; 4. a nozzle; 5. a main pipeline for turbid circulating water; 6. an electric butterfly valve; 7. a connecting pipe; 8. and a side guide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, in the cooling device for a hot-rolled narrow strip steel finished product according to the embodiment of the present invention, a strip steel finished product 2 is located on a conveying chain plate 1, and the conveying chain plate 1 is controlled by a control system to start and stop; the cooling device comprises two annular turbid water branch pipes 3 which are arranged on two sides of the conveying chain plate 1 in parallel, through holes which are opposite to the strip steel finished product 2 are formed in the annular turbid water branch pipes 3 at intervals, and a nozzle 4 for spraying cooling water is fixed on each through hole; in actual use, in order to achieve better cooling effect, the nozzle 4 can be a fan-shaped nozzle, a strip-shaped nozzle, a shower head shape, and the like.
The annular turbid water branch pipes 3 are fixed on side guide plates 8 at two sides of the conveying chain plate 1, and one ends of the two annular turbid water branch pipes 3 are communicated with a turbid annular water main pipe 5 on the water storage tank through corresponding connecting pipes 7; wherein be equipped with electric butterfly valve 6 on the connecting pipe 7, electric butterfly valve 6 is relevant with the control system who carries link joint 1, and when carrying link joint 1 and opening the mode of transporting, electric butterfly valve 6 is opened simultaneously, and the cooling water in the water storage tank is spouted to belted steel finished product 2 from nozzle 4, can carry out the even cooling in the widest range to belted steel finished product 2 on the link joint.
Preferably, in this embodiment, the length of the annular turbid water branch pipe 3 is 24m, the diameter is 65mm, and the distance between adjacent nozzles 4 on the same annular turbid water branch pipe 3 is 300 mm.
Practice proves that after rolled strip steel products reach the conveying chain plate 1, the cooling device cools the surface of the strip steel, and reduces the coiling and collecting temperature of the strip steel.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A cooling device for a finished hot-rolled narrow strip steel product is characterized in that the finished strip steel product is positioned on a conveying chain plate, and the conveying chain plate is controlled by a control system to start and stop; the method is characterized in that: the cooling device comprises two annular turbid water branch pipes which are arranged on two sides of the conveying chain plate in parallel, through holes which are opposite to the finished strip steel products are formed in the annular turbid water branch pipes at certain intervals, and a nozzle for spraying cooling water is fixed on each through hole;
one end of each of the two circular turbid water branch pipes is communicated with a turbid circular water main pipeline on the water storage tank through a corresponding connecting pipe; the connecting pipe is provided with an electric butterfly valve, and the electric butterfly valve is associated with a control system of the conveying chain plate, so that the cooling device can be started and stopped synchronously with the conveying chain plate.
2. The apparatus for cooling a hot rolled narrow strip steel product of claim 1 wherein: the nozzle is fan-shaped, strip-shaped or shower-head-shaped.
3. The apparatus for cooling a hot rolled narrow strip steel product of claim 1 wherein: the annular turbid water branch pipes are fixed on the side guide plates on two sides of the conveying chain plate.
4. The apparatus for cooling a hot rolled narrow strip steel product of claim 1 wherein: the length of the annular turbid water branch pipe is 24m, the diameter of the annular turbid water branch pipe is 65mm, and the distance between adjacent nozzles on the same annular turbid water branch pipe is 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517161.3U CN215143417U (en) | 2021-03-11 | 2021-03-11 | Cooling device for finished hot-rolled narrow strip steel product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517161.3U CN215143417U (en) | 2021-03-11 | 2021-03-11 | Cooling device for finished hot-rolled narrow strip steel product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215143417U true CN215143417U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120517161.3U Active CN215143417U (en) | 2021-03-11 | 2021-03-11 | Cooling device for finished hot-rolled narrow strip steel product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215143417U (en) |
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2021
- 2021-03-11 CN CN202120517161.3U patent/CN215143417U/en active Active
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