Tubesheet End Sealing Structure of Bending Heat Exchanger
A technology of sealing structure and heat exchanger tube, which is applied in the directions of heat exchanger sealing device, heat exchanger shell, heat exchange equipment, etc., can solve the problems of difficult manufacturing, high design cost and inaccurate design of double cone gaskets. , to achieve the effect of convenient and quick equipment pressure test and maintenance, improved safety status, and easy purchase
Active Publication Date: 2016-08-24
沈阳汇博热能设备有限公司
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Problems solved by technology
However, the double-cone gasket on the shell side cannot be accurately designed according to the existing technical standards. It must be determined by finite element simulation. The design cost is high, and the manufacturing of the double-cone gasket is difficult.
Method used
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[0022] Depend on Figure 1-4 As shown, 1 in the figure is the shell side shell, 3 is the shell side flange, 4 is the split shear ring A, 8 is the shell side stop flange heat exchange tube, 9 is the tube plate skirt, and 10 is the tube side stop Moving flange, 11 is the split shear ring B, 15 is the tube side flange, 16 is the tube side shell, 17 is the tube plate, a set including tube side flange 15, tube side sealing flat gasket 12 is arranged on the tube side, And the tube side sealing structure composed of tube side nut 13 and tube side fully threaded stud 14, the tube side sealing structure also includes a split shear ring B11 embedded in the groove on the tube plate for stopping the tube side stop Flange 10; a set of shell-side sealing structure including shell-side flange 3, shell-side sealing semi-elliptical gasket 2, shell-side nut 6, and shell-side fully threaded stud 7 is arranged on the shell side. The split shear ring A 4 is embedded in the groove of the tube plat...
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The invention discloses a hairpin type heat exchanger tube plate-end sealing structure which comprises a shell side body, a semielliptical cushion, a shell side flange, a subdivision shear ring A, a shell side retaining flange, a shell side nut, a shell side full-thread stud, a heat exchange tube, a tube plate skirt, a tube side retaining flange, a subdivision shear ring B, a flat gasket, a tube side nut, a tube side full-thread stud, a tube side flange, a tube side shell, a tube plate and the like. The side of a shell side is sealed through a semielliptical cushion, and the side of the tube side is sealed through the flat gasket; a shell side sealing component is mounted firstly, and then the a tube side sealing component is mounted; the tube side and the shell side are respectively sealed; the structure is suitable for different media, especially for high-voltage situations. By the arrangement, defects that the hairpin-type heat exchanger tube plate-end sealing structure is complex, poor in reliability and high in cost and cannot be designed according to current standard are solved.
Description
technical field [0001] The invention relates to the related technical field of heat exchangers, in particular to a tube sheet end sealing structure of a return-bend heat exchanger. Background technique [0002] The shell-and-tube heat exchanger is a partitioned wall heat exchanger, which is divided into a tube side and a shell side. According to the process requirements, different parameters and different types of media flow in the tube side and the shell side respectively, which are used to heat up or cool down the required medium. The final temperature of the heat exchange outlet of the shell-and-tube heat exchanger is generally determined by the process. When determining the fluid outlet temperature, it is not desirable to have a temperature cross phenomenon, that is, the outlet temperature of the hot fluid is lower than the temperature of the cold outlet. If the process requires it, you must choose a double-shell or multiple series. In comparison, the two-shell heat ex...
Claims
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IPC IPC(8): F28F9/12F28F11/00
Inventor 王玉钱江黄伟昌
Owner 沈阳汇博热能设备有限公司