Title:
VIBRATION CONTROL DEVICE OF HEAT TRANSFER TUBE, HEAT EXCHANGER AND BOILER
Document Type and Number:
Japanese Patent JP2019178843
Kind Code:
A
Abstract:
To prevent the occurrence of crack and so forth due to stress concentration when individual heat transfer tubes constituting a tube bank are connected to each other with spacers or fins for controlling vibration, and to improve efficiency of work for providing the spacers or the fins.SOLUTION: A vibration control device according to one embodiment is configured to control the vibration of a plurality of juxtaposed heat transfer tubes, and includes at least a first heat transfer tube and a second heat transfer tube disposed adjacent to the first heat transfer tube, and comprises; a pair of pads including a first pad that is welded to a position of the first heat transfer tube, the position facing the second heat transfer tube; and a second pad that is welled to a position of the second heat transfer tube, the position facing the first heat transfer tube; and a fin with one end side welled to the first pad and with the other end side welled to the second pad.SELECTED DRAWING: Figure 3
Inventors:
IWASAKI NORIHISA
MATSUDAIRA KENTARO
SASAYA SHIRO
MATSUDAIRA KENTARO
SASAYA SHIRO
Application Number:
JP2018069906A
Publication Date:
October 17, 2019
Filing Date:
March 30, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F28F9/013; F22B37/10; F28D7/16
Domestic Patent References:
| JPS59153480U | 1984-10-15 | |||
| JPS60133294A | 1985-07-16 | |||
| JP2017145974A | 2017-08-24 |
Attorney, Agent or Firm:
Seishin ip patent business corporation