Annular cooling device for large-scale cylindrical shell

Patent metadata

Field	Value
Publication number	US-11577289-B2
Application number	US-202117146526-A
Country	US
Kind code	B2
Filing date	Jan 12, 2021
Priority date	Jan 15, 2020
Publication date	Feb 14, 2023
Grant date	Feb 14, 2023

Abstract

The present invention discloses an annular cooling device for large-scale cylindrical shell, which comprises a plurality of inner jet devices and outer jet devices; the inner jet devices are arranged inside the cylindrical shell along the inner periphery; the outer jet devices are arranged outside the cylindrical shell along the outer periphery; each inner jet device and each outer jet device are oppositely arranged; the inner jet devices are used for spraying cooling medium to the inner wall of the cylindrical shell; the outer jet devices are used for spraying the cooling medium to the outer wall of the cylindrical shell; and the spray ranges of each inner jet device and each outer jet device in the axial direction of the cylindrical shell are both greater than the length of the cylindrical shell.

First claim

What is claimed is:

1. An annular cooling device for large-scale cylindrical shell, comprising a plurality of inner jet devices and a plurality of outer jet devices, wherein the plurality of inner jet devices are arranged inside the cylindrical shell along an inner circumference of the cylindrical shell, and the plurality of outer jet devices are arranged outside the cylindrical shell along an outer circumference of the cylindrical shell, each of the inner jet devices and each of the outer jet devices are arranged opposite to each other, and the plurality of inner jet devices are used to spray cooling medium to an inner wall of the cylindrical shell, and the plurality of outer jet devices are used to spray cooling medium to an outer wall of the cylindrical shell, spray range of each of the inner jet devices and each of the outer jet devices along the axial direction of the cylindrical shell is greater than the length of the cylindrical shell, the cylindrical shell is provided with a rolling device for rolling the cylindrical shell;
wherein each of the inner jet devices and each of the outer jet devices includes a plurality of sets of jet cooling devices, and each set of the jet cooling devices includes a cooling medium conveying device, a first fixing plate, a second fixing plate, a hydraulic cylinder and a plurality of jet pipes, a piston rod of the hydraulic cylinder is fixedly connected with the cooling medium conveying device; the cooling medium conveying device is in communication with the plurality of jet pipes through pipelines, the first fixing plate and the second fixing plate are sleeved on the plurality of jet pipes, and the first fixing plate and the second fixing plate are arranged in parallel;
wherein the rolling device includes an upper roller, a lower roller, a first guide roller and a second guide roller, the upper roller is arranged inside the cylindrical shell and is in contact with the inner wall of the cylindrical shell, the lower roller, the first guide roller and the second guide roller are arranged outside the cylindrical shell and are in contact with the outer wall of the cylindrical shell, the upper roller and the lower roller are arranged opposite to each other, the plurality of inner jet devices and the upper roller are evenly distributed along the inner circumference of the cylindrical shell, and the plurality of outer jet devices and the lower roller are evenly distributed along the outer circumference of the cylindrical shell, the first guide roller and the second guide roller are located on both sides of the lower roller, and the first guide roller is located between the lower roller and the outer jet device adjacent on one side, the second guide roller is located between the lower roller and the outer jet device adjacent on the other side.

2. The annular cooling device for large-scale cylindrical shell according to claim 1 , wherein each set of the jet cooling devices are arranged in parallel, and each set of the jet cooling devices includes two rows of jet pipe sets arranged in parallel, and each row of the jet pipe sets includes a plurality of the jet pipes evenly distributed along the axial direction of the cylindrical shell.

3. The annular cooling device for large-scale cylindrical shell according to claim 2 , wherein the plurality of the jet pipes of the two rows of jet pipe sets are arranged alternately, and one jet pipe in one row of the jet pipe sets is facing a center position of two adjacent jet pipes in the other row of the jet pipe sets, and each of the jet pipes is arranged obliquely, contact points of cooling medium sprayed from each of the jet pipes in each set of the jet cooling devices and the cylindrical shell are all located on a same straight line and form cooling lines, and each of the cooling lines is parallel to the axis of the cylindrical shell.

4. The annular cooling device for large-scale cylindrical shell according to claim 1 , wherein an included angle between the inner jet devices on both sides of the upper roller and an included angle between the outer jet devices on both sides of the lower roller are both:

2
⁢
A

=

2
⋆

3
⁢
6
⁢
0

N
+
1

included angles between each of remaining adjacent inner jet devices and included angles between each of remaining adjacent outer jet devices are:

A
=

3
⁢
6
⁢
0

N
+
1

where, N is the number of the inner jet device and the outer jet device.

5. The annular cooling device for large-scale cylindrical shell according to claim 2 , wherein the cooling medium conveying device includes a plurality of main pipes, each of the main pipes is in communication with an external cooling medium source and each of the main pipes is provided with a jet pump; the number of the main pipes is the same as the number of the jet pipe sets, each of the main pipes is in communication with a plurality of branch pipes, the number of the branch pipes on each of the main pipes is the same as the number of the jet pipes in each row, and the branch pipes on each of the main pipes are in communication with each row of jet pipes respectively.

6. The annular cooling device for large-scale cylindrical shell according to claim 3 , wherein the cooling lines formed by the jet pipe sets in the inner jet device are arranged opposite to the cooling lines formed by the jet pipe sets in the outer jet device.

Assignees

• Univ Yanshan

Inventors

• Chen Suwen
• Yuan Xingxing
• Li Jie
• Qin Hongxuan

Classifications

• B21B2261/20

  Temperature · CPC title

• B21B45/0233 Primary

  Spray nozzles, Nozzle headers; Spray systems · CPC title

• B21B2045/0227

  for tubes · CPC title

• B21H1/18

  cylinders, e.g. rolled transversely {cross-rolling} · CPC title

• B21B45/0215 Primary

  using liquid coolants, e.g. for sections, for tubes · CPC title