Hot-rolled strip steel offline roller cooling device
By designing a lower-line roll cooling device for hot-rolled strip steel, the clean water spraying technology of the circulation unit and the pipeline unit is used to solve the problem of uneven local temperature of the roll, and the uniform cooling and cooling accuracy of the roll are improved.
Patent Information
- Application Number
- CN202323406216.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-14
AI Technical Summary
In hot rolling production lines, the rolling rolls are subject to local temperature uneven due to high temperature treatment, and there is thermal expansion, which affects the cooling accuracy and product quality of the rolls, and may lead to scrap steel accidents.
Design a cooling device for down-line rolling rolls of hot-rolled strip, and use the circulation unit and the pipeline unit to completely cool the rolls by spraying clean water, including a water irrigation port, a drain port, a connecting pipe and a water spray head installed on the shell structure. Ensure full cooling of the rolls.
It effectively avoids local thermal expansion of the roll, achieves uniform cooling of the roll, improves cooling accuracy, and reduces the occurrence of scrap steel accidents.
Smart Images
Figure CN222198304U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot-rolled narrow strip steel production, in particular to a hot-rolled narrow strip steel offline roller cooling device. Background Art
[0002] To ensure product quality, hot rolling production lines need to be frequently replaced according to wear and product quality. In online rolling production, because high-temperature 1000-1200℃ steel billets are rolled, although each rolling mill roll is equipped with inlet and outlet cooling water for cooling, the local temperature of the roll will exceed the normal temperature by several times, reaching 80-100℃. For better recycling, the offline rolls need to be turned and ground in time, but the roll temperature is uneven, there is local thermal expansion, and the dimensional accuracy of the rolls after turning and cooling will change, which will seriously cause scrap steel accidents or quality accidents. Utility Model Content
[0003] The utility model aims to provide a hot-rolled strip offline roll cooling device to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hot-rolled strip offline roll cooling device, which acts on the roll, comprising:
[0005] The outer shell structure is used to connect the remaining structures.
[0006] A cooling structure is arranged in the shell structure and is used for cooling the rolling roller.
[0007] Preferably, the cooling structure includes a circulation unit arranged on the outer shell structure, a pipe unit arranged on the circulation unit for cooling the rolling roller, and a support frame arranged on the outer shell unit for supporting the rolling roller. The circulation unit pours clean water into the pipe unit, and sprays cooling on the rolling roller through the pipe unit. The cooling structure is used to cool the rolling roller.
[0008] Preferably, the circulation unit includes a water filling port connected to the outer shell structure for conveying water to the pipeline unit, and a discharge port opened on the outer shell structure for discharging wastewater after cooling. The circulation unit is used to fill and drain the pipeline unit.
[0009] Preferably, the pipeline unit includes a connecting pipe arranged on the water filling port for conveying water, the connecting pipe is provided with a valve for controlling the flow rate of the water source, the connecting pipe is provided with a sprinkler head for spraying the water source, and the pipeline unit is used to spray water to cool the roller.
[0010] Preferably, the connecting pipes are provided in a plurality and array-shaped on the water filling port, so that the rollers can be sprayed with water comprehensively.
[0011] Preferably, a plurality of the water spray heads are provided on the connecting pipe, and the water spray heads are arranged in a queue on both sides of the connecting pipe except for the two sides, and the water spray heads are provided on one side of the connecting pipe on both sides, and the water spray heads are used to spray clean water, and clean water is sprayed on the front of the roller.
[0012] Preferably, the shell structure includes a device shell, the device shell is connected to a slide rail, the slide rail is connected to a roller, a covering cloth is wrapped around the roller, the covering cloth rolls in the slide rail through the roller, the covering cloth is unfolded to cover the device shell, and the shell structure is used to support all other structures.
[0013] Preferably, the length of the slide rail matches the size of the device housing, thus ensuring that the covering cloth can completely cover the device housing.
[0014] Preferably, the end points of the slide rail and the roller are meshed to prevent the roller from falling off the slide rail.
[0015] Compared with the prior art, the utility model has the beneficial effect that the hot-rolled strip offline roll cooling device cools the rolls by spraying clean water on the rolls, thereby allowing the rolls to be fully cooled, thereby eliminating the problems of local thermal expansion of the rolls and uneven temperature. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;
[0017] Figure 2 It is a top view schematic diagram of an embodiment of the utility model.
[0018] In the figure:
[0019] 1. Device housing 2. Connecting pipe 3. Valve
[0020] 4. Sprinkler head 5. Cover cloth 6. Slide rail
[0021] 7. Water filling port 8. Drainage port 9. Roller
[0022] 10. Support frame DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] like Figure 2 As shown, the utility model provides a technical solution: a hot-rolled strip offline roller cooling device, which acts on the roller, including: a shell structure and a cooling structure, the shell structure is used to connect the remaining structures, and the cooling structure is arranged in the shell structure for cooling the roller.
[0025] The cooling structure includes a circulation unit arranged on the outer shell structure, the circulation unit is used for circulating input water source and draining water source, and a pipeline unit arranged on the circulation unit for cooling the rollers, the pipeline unit is used for spraying water source to cool the rollers, and a support frame 10 arranged on the outer shell unit for supporting the rollers, the support frame 10 is used to support the rollers, and the number of rollers that the support frame 10 can support is eight, so the hot-rolled strip offline roller cooling device can cool eight rollers at the same time, the circulation unit fills clean water into the pipeline unit, and sprays cooling to the rollers through the pipeline unit, the cooling structure is used to cool the rollers, the circulation unit includes a water filling port 7 connected to the outer shell structure for conveying water to the pipeline unit, the water filling port 7 is used to fill clean water into the connecting pipe 2, and a discharge port 8 opened on the outer shell structure for draining sewage after cooling, the discharge port 8 is used to drain waste water after cooling, the circulation unit is used to fill and drain the pipeline unit, and the circulation units are all arranged on the device shell. 1, the pipeline unit includes a connecting pipe 2 arranged on the water filling port 7 for conveying water source, the connecting pipe 2 is used to convey clean water to the water spray head 4, the number of the connecting pipes 2 is several, and the several connecting pipes 2 can spray clean water on the roller, and are arranged on the water filling port 7 in an array shape, so that the water source can be sprayed on the roller comprehensively, and the connecting pipe 2 is provided with a plurality of water spray heads 4, and the water spray heads 4 are used to spray clean water on the roller to cool the roller, and the water spray heads 4 are arranged in a queue shape except for the connecting pipes on both sides 2 on both sides, so as to expand the spraying range of the water spray head 4. A water spray head 4 is arranged on one side of the connecting pipe 2 on both sides to prevent the waste of clean water. The water spray head 4 is used to spray clean water. Clean water is sprayed on the front of the roller. A valve 3 for controlling the flow rate of the water source is arranged on the connecting pipe 2. The valve 3 is used to control the flow rate of the water source in the connecting pipe 2. A water spray head 4 for spraying the water source is arranged on the connecting pipe 2. The water spray head 4 is used to spray the water source on the roller. The pipeline unit is used to spray the water source on the roller for cooling.
[0026] like Figure 1As shown, the shell structure includes a device shell 1, and the device shell 1 is used to connect the remaining structures. The device shell 1 is connected with a slide rail 6, and the slide rail 6 is used to ensure that the roller 9 can rotate on the inside, so as to prevent the roller 9 from rolling away. The slide rail 6 is connected with a roller 9, and the rotation of the roller 9 can drive the cover cloth 5 to unfold. After the roller is hoisted on the support frame 10 above the device shell 1, the roller 9 rolls on the slide rail 6 to unfold the cover cloth 5 and cover the top of the device shell 1, so as to seal the device shell 1. The length of the slide rail 6 matches the size of the device shell 1. In this way, it can be ensured that the covering cloth 5 can fully seal the device casing 1, so that the covering cloth 5 can completely cover the device casing 1, the end points of the slide rail 6 and the roller 9 are meshed, which can prevent the roller 9 from detaching from the slide rail 6, so that the roller 9 can be limited in the slide rail 6, which can prevent the roller 9 from detaching from the slide rail 6, and the roller 9 is wrapped with a covering cloth 5. The covering cloth 5 is made of tarpaulin, which is completely waterproof and will not be damaged by long-term erosion by clean water. The covering cloth 5 rolls in the slide rail 6 through the roller 9 to unfold the covering cloth 5 to cover the device casing 1, and the casing structure is used to carry all the remaining structures.
[0027] The appeal shows that Figure 1 As shown, this embodiment is embodied in that after the rolling roller is hoisted on the support frame 10 above the device casing 1, the roller 9 is rolled on the slide rail 6 to unfold the cover cloth 5 and cover the top of the device casing 1 to seal the device casing 1. This can effectively prevent water from splashing when the rolling roller is cooled, effectively improve the surrounding environment, and at the same time, the water vapor generated when the rolling roller is cooled can also be discharged outward from the gap, and there will be no explosion due to the inability to quickly remove the steam.
[0028] refer to Figure 2 As shown, the above embodiment mentioned that after the roller is hoisted on the support frame 10 above the device housing 1 by hoisting, this embodiment is embodied in that the valve 3 is opened, the water inlet 7 and the water source pipe are connected, and then the water source universal connecting pipe 2 is sprayed on the roller placed on the support frame 10 by the sprinkler head 4. At the same time, the waste water after spraying is uniformly discharged to the outside through the discharge port 8. The roller is effectively cooled by spraying clean water. This method is very convenient and effective. The subsequently discharged sewage can also be filtered and reused, which saves resources.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hot strip rolling roll cooling device, which acts on the roll, characterized in that: include: Shell structure; A cooling structure, which is arranged in the shell structure and is used to cool the roller; The cooling structure comprises a circulation unit arranged on the shell structure, a pipeline unit arranged on the circulation unit for cooling the roller, and a support frame arranged on the shell structure for supporting the roller, the circulation unit pours clean water into the pipeline unit, and sprays cooling water to the roller through the pipeline unit; The shell structure comprises a device shell, the device shell is connected to a slide rail, the slide rail is connected to a roller, a covering cloth is wound on the roller, the covering cloth rolls in the slide rail through the roller, and the covering cloth is unfolded to cover the device shell.
2. The hot strip rolling roll cooling device according to claim 1, characterized in that: The circulation unit comprises a water filling port connected to the shell structure for conveying water to the pipeline unit, and a discharge port opened on the shell structure for discharging wastewater after cooling.
3. The hot strip rolling roll cooling device according to claim 2, characterized in that: The pipeline unit comprises a connecting pipe arranged on the water filling port for conveying water source, a valve for controlling the flow rate of water source is arranged on the connecting pipe, and a water spray head for spraying water source is arranged on the connecting pipe.
4. The hot strip rolling roll cooling device according to claim 3, characterized in that: The connecting pipes are in a plurality and arranged on the water filling port in an array.
5. A hot strip rolling roll cooling device according to claim 3 or 4, characterized in that: A plurality of the water spray heads are arranged on the connecting pipe, and the water spray heads are arranged in a queue on both sides of the connecting pipe except for two sides, and the water spray heads are arranged on one side of the connecting pipe on both sides.
6. The hot strip rolling roll cooling device according to claim 1, characterized in that: The length of the slide rail matches the size of the device housing.
7. The hot strip rolling roll cooling device according to claim 1, characterized in that: The end points of the slide rail and the roller are meshed.