CN216989220U - Online efficient cooling device for hot-rolled seamless steel pipe - Google Patents
Online efficient cooling device for hot-rolled seamless steel pipe Download PDFInfo
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- CN216989220U CN216989220U CN202220739131.1U CN202220739131U CN216989220U CN 216989220 U CN216989220 U CN 216989220U CN 202220739131 U CN202220739131 U CN 202220739131U CN 216989220 U CN216989220 U CN 216989220U
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Abstract
The utility model discloses an online efficient cooling device for a hot-rolled seamless steel tube, which comprises a support and a bedplate arranged on the support, wherein a groove is formed in the upper surface of the bedplate along the length direction of the bedplate, the cross section of the groove is arc-shaped, a plurality of annular tubes are arranged in the groove at equal intervals along the length direction, a plurality of main spray holes are uniformly distributed in the inner side wall of each annular tube along the circumference, a water collecting tube is arranged on the bedplate, the water collecting tube is communicated with each annular tube through a communicating tube, a water conveying tube is arranged on the water collecting tube, a water pump is arranged on the water conveying tube, the bottom and two sides of the groove are respectively provided with an adjusting mechanism, each adjusting mechanism comprises a plurality of cylinders uniformly distributed along the length direction of the groove, the end parts of piston rods of the plurality of cylinders are provided with supporting plates, and rollers are arranged on the supporting plates. The utility model has the advantages of uniform cooling, good cooling effect, short cooling time and obvious economic and social values.
Description
Technical Field
The utility model relates to the technical field of steel pipe rolling, in particular to an online efficient cooling device for a hot-rolled seamless steel pipe.
Background
The hot rolled seamless steel pipe is produced mainly through heating pipe blank in a circular furnace, perforating in a perforating machine, rolling in a continuous rolling machine, sizing in a sizing machine and final conveying to a cooling bed. The on-line rapid cooling of the hot-rolled seamless steel tube is an effective method for improving the rolled or normalized steel tube, the strength of the steel tube can be improved under the condition of reducing the content of added alloy, and an on-line cooling device is required when the steel tube is cooled. In prior art, online cooling device is mostly the air cooling device, uses the fan to blow to the steel pipe to make the temperature on the steel pipe constantly descend, but the wind that the fan blew out can only cool off one side of steel pipe, and the cooling rate of steel pipe both sides is inequality, and cooling efficiency is lower, causes the steel pipe cooling inhomogeneous, leads to the metallographic structure of steel pipe inhomogeneous, and then has reduced the intensity of steel pipe. Therefore, it is objectively needed to develop an on-line efficient cooling device for hot-rolled seamless steel tubes, which has uniform cooling of the steel tubes, good cooling effect and short cooling time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an on-line efficient cooling device for a hot-rolled seamless steel pipe, which has the advantages of uniform cooling of the steel pipe, good cooling effect and short cooling time.
The utility model aims to realize the purpose, the table comprises a support and a table plate arranged on the support, a groove is formed in the upper surface of the table plate along the length direction of the table plate, the cross section of the groove is arc-shaped, a plurality of annular pipes are arranged in the groove at equal intervals along the length direction, a plurality of main spray holes are uniformly distributed in the inner side wall of each annular pipe along the circumference, a water collecting pipe is arranged on the table plate, the water collecting pipes are communicated with the annular pipes through communicating pipes, a water conveying pipe is arranged on each water conveying pipe, a water pump is arranged on each water conveying pipe, the bottom and two sides of each groove are respectively provided with an adjusting mechanism, each adjusting mechanism comprises a plurality of air cylinders uniformly distributed along the length direction of the groove, supporting plates are arranged at the end parts of piston rods of the air cylinders, and rollers are arranged on the supporting plates.
Furthermore, water baffles are arranged on two sides of the bedplate.
Furthermore, a cover plate is arranged at the upper end between the two water baffle plates.
Furthermore, a spray pipe is arranged at the main spray hole, and the sectional area of the inner hole of the spray pipe is gradually reduced from inside to outside.
Furthermore, auxiliary spray holes are symmetrically arranged on the pipe walls of the annular pipes on two sides of the main spray hole.
Furthermore, the inner side wall of the annular pipe is circumferentially provided with at least three infrared distance measuring instruments.
Furthermore, a plurality of water guide grooves are processed on the bedplate at two sides of the groove, the water outlet ends of the water guide grooves are communicated with the groove, and a water discharge pipe is arranged at the bottom of the groove.
In the utility model, the adjusting mechanism plays a role in positioning and guiding the steel pipe, when the position of the steel pipe is adjusted, the steel pipe and the annular pipe are concentrically arranged through the extension and the shortening of a piston rod of the air cylinder according to the diameter of the steel pipe, wherein the adjusting mechanism positioned at the bottom of the groove positions and supports the height of the steel pipe, the adjusting mechanisms positioned at two sides of the groove can prevent the steel pipe from swinging left and right when the steel pipe advances, the three adjusting mechanisms play a role in limiting and guiding the steel pipe, the three adjusting mechanisms jointly position the steel pipe, when the steel pipe passes through the sizing mill, the steel pipe is conveyed into the device through the conveying roller way, at the moment, the steel pipe is positioned by the three adjusting mechanisms, the steel pipe and the annular pipe are concentric, meanwhile, cooling water is conveyed into the water collecting pipes through the water conveying pipe, then is distributed to each annular pipe through the water collecting pipes, finally is sprayed out from the main spray holes, the cooling water is sprayed onto the surface of the steel pipe to cool the steel pipe, the purpose of cooling the steel pipe is achieved. In the process, cooling water is sprayed out from the main spray holes uniformly distributed on the circumference of each annular pipe, the periphery of the steel pipe can be cooled simultaneously, so that the steel pipe can be uniformly cooled, the steel pipe can be rapidly cooled after passing through the plurality of annular pipes in sequence, and the cooling effect is good; secondly, through the setting of three adjustment mechanism for this device can be applicable to the steel pipe cooling of multiple specification and dimension, and the suitability is stronger. The utility model has the advantages of uniform cooling, good cooling effect, short cooling time and obvious economic and social values.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;
in the figure: 1-support, 2-platen, 3-groove, 4-ring pipe, 5-water collecting pipe, 6-communicating pipe, 7-water conveying pipe, 8-water pump, 9-cylinder, 10-supporting plate, 11-roller, 12-water baffle, 13-cover plate, 14-spray pipe, 15-infrared distance meter, 16-water guiding groove and 17-water discharging pipe.
Detailed Description
The present invention is further described with reference to the drawings, but the present invention is not limited thereto in any way, and any modification or improvement based on the present invention is within the protection scope of the present invention.
As shown in figures 1-3, the utility model comprises a support 1 and a bedplate 2 arranged on the support 1, wherein a groove 3 is processed on the upper surface of the bedplate 2 along the length direction, the section of the groove 3 is arc-shaped, a plurality of annular pipes 4 are arranged in the groove 3 along the length direction at equal intervals, in order to make the structure compact, the outer annular pipe wall of the annular pipe 4 is tightly attached to the inner wall of the groove 3, and when in actual use, a positioning mechanism can be adopted to position the annular pipe 4 to prevent the annular pipe 4 from displacement, a plurality of main spray holes are uniformly distributed on the inner side wall of the annular pipe 4 along the circumference, a water collecting pipe 5 is arranged on the bedplate 2, the water collecting pipe 5 is communicated with each annular pipe 4 through a communicating pipe 6, a water conveying pipe 7 is arranged on the water collecting pipe 5, a water pump 8 is arranged on the water conveying pipe 7, a regulating mechanism is respectively arranged at the bottom and two sides of the groove 3, each regulating mechanism comprises a plurality of air cylinders 9 uniformly distributed along the length direction of the groove 3, the end parts of the piston rods of the cylinders 9 are provided with supporting plates 10, the supporting plates 10 are provided with rollers 11, the rollers 11 are arranged so as to reduce sliding friction between the surfaces of the steel pipes and the supporting plates 10, sliding contact is changed into rolling contact, the advancing resistance of the steel pipes can be reduced, and when the steel pipes are in operation, the steel pipes are positioned by the three adjusting mechanisms respectively from the lower side and the left side and the right side of the steel pipes, so that the height of the steel pipes can be adjusted, the steel pipes and the annular pipes 4 are ensured to be arranged concentrically, and the uniformity of the steel pipes in cooling is further ensured.
In the utility model, the adjusting mechanism plays a role in positioning and guiding the steel pipe, when the position of the steel pipe is adjusted, the steel pipe and the annular pipe 4 are concentrically arranged through the extension and the shortening of the piston rod of the air cylinder 9 according to the diameter of the steel pipe, wherein the adjusting mechanism at the bottom of the groove 3 positions and supports the height of the steel pipe, the adjusting mechanisms at two sides of the groove can prevent the steel pipe from swinging left and right when advancing, the steel pipe plays a role in limiting and guiding the steel pipe, the three adjusting mechanisms jointly position the steel pipe, when in operation, the steel pipe passes through a sizing mill and then is conveyed into the device through a conveying roller way, at the moment, the steel pipe is positioned by the three adjusting mechanisms, the steel pipe and the annular pipe 4 are concentric, meanwhile, cooling water is conveyed into the water collecting pipe 5 through the water conveying pipe 5 and then is distributed to each annular pipe 4 through the water collecting pipe 5, and finally is sprayed out from a main spray hole, and the cooling water is sprayed onto the surface of the steel pipe, and cooling the steel pipe to achieve the purpose of cooling the steel pipe. In the process, cooling water is sprayed out from the main spray holes uniformly distributed on the circumference of each annular pipe 4, the periphery of the steel pipe can be cooled simultaneously, so that the steel pipe can be uniformly cooled, the steel pipe can be rapidly cooled after passing through the plurality of annular pipes 4 in sequence, and the cooling effect is good; secondly, through the setting of three adjustment mechanism for this device can be applicable to the steel pipe cooling of multiple specification and dimension, and the suitability is stronger.
The two sides of the bedplate 2 are provided with the water baffles 12, cooling water can be prevented from splashing to the two sides of the bedplate 2 through the arrangement of the water baffles 12, the cover plate 13 is arranged at the upper end between the two water baffles 12, and the cooling water can be prevented from splashing upwards through the arrangement of the cover plate 13. And the combination of breakwater 12 and apron 13, the cooling water that prevents that can be better splashes away, both can guarantee the annular cleanness around this device, can prevent the waste of water resource again.
The main jet orifice is provided with spray tube 14, and the sectional area of spray tube 14 hole reduces from inside to outside gradually, and when cooling water spouts from the hole of spray tube 14, its velocity of flow can obtain promoting, and when contacting with the steel pipe, diffusion that can be more rapid is opened, improves the heat transfer area of cooling water and steel pipe, and then improves the cooling efficiency of steel pipe.
The auxiliary spray holes are symmetrically formed in the pipe walls of the annular pipes 4 on the two sides of the main spray hole, cooling water can be sprayed out of the main spray hole and the auxiliary spray holes simultaneously through the auxiliary spray holes, the arrangement directions of the main spray holes and the auxiliary spray holes are the same along the length direction of the steel pipe, and therefore the contact area between the cooling water and the surface of the steel pipe can be greatly increased, and the cooling efficiency of the steel pipe is improved.
In the utility model, the infrared distance meters 15 are used for detecting the distance between the inner side wall of the annular pipe 4 and the outer wall of the hot-rolled seamless steel pipe, the distance between the inner side wall of the annular pipe 4 and the outer wall of the hot-rolled seamless steel pipe is detected by the infrared distance meters 15, and the concentricity of the hot-rolled seamless steel pipe and the annular pipe 4 can be ensured as long as the distances detected by three or more infrared distance meters 15 are the same according to the principle of three-point circle, at the moment, the sprayed cooling water can uniformly spray the surface of the steel pipe, so that the steel pipe can be uniformly cooled.
A plurality of water guide grooves 16 are formed in the bedplate 2 on two sides of the groove 3, water outlet ends of the water guide grooves 16 are communicated with the groove 3, a water discharge pipe 17 is arranged at the bottom of the groove 3, when the device is used, part of water possibly splashes onto the bedplate 2 on two sides of the groove 3, the water guide grooves 16 are arranged for preventing water from accumulating on the bedplate 2, and the accumulated water on the bedplate 2 can enter the water guide grooves 16, then flows into the groove 3 along the water guide grooves 16, and is finally discharged through the water discharge pipe 17 at the bottom of the groove 3.
Claims (7)
1. An on-line efficient cooling device for hot-rolled seamless steel tubes comprises a support (1) and a platen (2) arranged on the support (1), and is characterized in that a groove (3) is formed in the upper surface of the platen (2) along the length direction of the platen, the cross section of the groove (3) is arc-shaped, a plurality of annular tubes (4) are arranged in the groove (3) at equal intervals along the length direction, a plurality of main spray holes are uniformly distributed in the inner side wall of each annular tube (4) along the circumference, a water collecting tube (5) is arranged on the platen (2), the water collecting tubes (5) are communicated with the annular tubes (4) through communicating tubes (6), a water conveying tube (7) is arranged on the water collecting tube (5), a water pump (8) is arranged on the water conveying tube (7), an adjusting mechanism is respectively arranged at the bottom and two sides of the groove (3), each adjusting mechanism comprises a plurality of air cylinders (9) uniformly distributed along the length direction of the groove (3), the end parts of the piston rods of the cylinders (9) are provided with supporting plates (10), and the supporting plates (10) are provided with rollers (11).
2. The on-line efficient cooling device for the hot-rolled seamless steel tube according to the claim 1 is characterized in that water baffles (12) are arranged on two sides of the bedplate (2).
3. The on-line efficient cooling device for the hot-rolled seamless steel tube according to claim 2, wherein a cover plate (13) is arranged at the upper end between the two water baffles (12).
4. The on-line efficient cooling device of the hot-rolled seamless steel tube according to the claim 1 is characterized in that a nozzle (14) is arranged at the main nozzle hole, and the sectional area of the inner hole of the nozzle (14) is gradually reduced from inside to outside.
5. The on-line efficient cooling device of the hot-rolled seamless steel tube according to claim 4, characterized in that the pipe walls of the annular pipes (4) at the two sides of the main spray holes are symmetrically provided with auxiliary spray holes.
6. The on-line efficient cooling device of the hot-rolled seamless steel tube according to the claim 1 is characterized in that the inner side wall of the annular tube (4) is circumferentially provided with at least three infrared distance meters (15).
7. The on-line efficient cooling device for the hot-rolled seamless steel tube according to claim 1, characterized in that a plurality of water chutes (16) are processed on the bedplate (2) at two sides of the groove (3), the water outlet ends of the water chutes (16) are communicated with the groove (3), and a drain pipe (17) is arranged at the bottom of the groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739131.1U CN216989220U (en) | 2022-04-01 | 2022-04-01 | Online efficient cooling device for hot-rolled seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739131.1U CN216989220U (en) | 2022-04-01 | 2022-04-01 | Online efficient cooling device for hot-rolled seamless steel pipe |
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| CN216989220U true CN216989220U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220739131.1U Active CN216989220U (en) | 2022-04-01 | 2022-04-01 | Online efficient cooling device for hot-rolled seamless steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493408A (en) * | 2023-05-17 | 2023-07-28 | 江苏省镔鑫钢铁集团有限公司 | Equipment and method for middle rolling, slitting and rolling hot rolled ribbed steel bars |
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2022
- 2022-04-01 CN CN202220739131.1U patent/CN216989220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493408A (en) * | 2023-05-17 | 2023-07-28 | 江苏省镔鑫钢铁集团有限公司 | Equipment and method for middle rolling, slitting and rolling hot rolled ribbed steel bars |
| CN116493408B (en) * | 2023-05-17 | 2023-11-10 | 江苏省镔鑫钢铁集团有限公司 | Equipment and method for middle rolling, slitting and rolling hot rolled ribbed steel bars |
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