Curved groove cooling water tank driven roller mandrel under solidification tail end high pressure
A technology of cooling water tank and solidification end, which is applied in the field of driven roller mandrel of curved groove cooling water tank under heavy pressure at the solidification end to reduce bending deformation and thermal fatigue damage, improve service life and improve uniformity.
Inactive Publication Date: 2019-01-04
NORTHEASTERN UNIV LIAONING
View PDF13 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] Although the cooling structure proposed in the above-mentioned patent can cool the casting rolls well and avoid thermal stress concentration, it is difficult to ensure that the casting rolls have sufficient cooling capacity in the face of the harsh contact environment of the roll billet during the implementation process under heavy pressure. strength and reliability
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0030] Such as figure 1 As shown, this example provides a driven roller mandrel in a curved groove under heavy pressure at the solidification end. There are three keyway holes 1 on the mandrel. The mandrel is connected with the roller sleeve through keys to form a mandrel-type segmented roll. .
[0031] In the curved groove cooling water tank 2, the outer surface of the water tank adopts a gradual curvature curve transition. The maximum diameter of the sink section is 55mm≤d 1 ≤60mm, the minimum diameter of the tank is 35mm≤d 2 ≤40mm, where the length of the curved surface is = l, 2300mm≤l≤2400mm.
[0032] The cooling water tank is connected to the external pipeline through the water inlet 3 and the water outlet 4 to realize the circulation of cooling water. Cooling water flows in and out at a certain flow rate to achieve uniform cooling of the casting rolls and avoid internal thermal stress.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| diameter | aaaaa | aaaaa |
Login to View More
Abstract
The invention belongs to the field of continuous casting machine continuous casting rollers, particularly relates to a continuous casting roller driven roller mandrel, and discloses a curved groove cooling water tank driven roller mandrel under the solidification tail end high pressure. Key groove holes are formed in the surface of the mandrel and can be connected with a roller sleeve through keys, the centers of the two ends of the mandrel are provided with a water inlet hole and a water outlet hole which are connected with external pipelines, and a cooling water tank at the center adopts a regular curve. According to the curved groove cooling water tank driven roller mandrel under the solidification tail end high pressure, the cooling efficiency in the mandrel is improved, and meanwhilea thermal stress concentration phenomenon is avoided by adopting the smooth and regular curve; and the temperature in the mandrel is distributed more uniformly while the cooling effect is improved, bending deformation is reduced, the strength of the mandrel is improved, and the service life of the mandrel is prolonged.
Description
technical field [0001] The invention belongs to the field of continuous casting rolls of continuous casting machines, and in particular relates to a driven roll mandrel of a curved groove cooling water tank under heavy pressure at a solidification end. Background technique [0002] With the rapid development of manufacturing industry and science and technology, higher requirements are put forward for the internal quality of steel products. Central porosity and central shrinkage cavity are the main factors restricting the internal quality of continuous casting slabs. Therefore, the solidification end heavy reduction technology is proposed. The heavy reduction technology at the end of continuous casting solidification is to make full use of the characteristics of the large temperature difference between the surface and core of the slab at the end of the slab solidification, and carry out a large deformation reduction on the slab so that the reduction can fully penetrate into th...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/128
Inventor 祭程朱苗勇李应焕
Owner NORTHEASTERN UNIV LIAONING