Locked connecting structure for heat radiating tubes and tube plate
A technology for connecting structures and heat pipes, applied in heat exchange equipment, heat exchanger shells, lighting and heating equipment, etc. The effect of avoiding leakage and improving work reliability
Inactive Publication Date: 2014-12-24
无锡纳润特科技有限公司
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- Abstract
- Description
- Claims
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AI Technical Summary
Problems solved by technology
At present, the main problem of the tube-and-tube radiator is that the heat-dissipating tube is inserted into the tube hole and sealed and connected by welding. Because there is a large temperature difference when the heat exchanger is working, the tube plate and the heat-dissipating tube are deformed due to their respective deformations. The large pull-off force leads to serious deformation of the weld, leakage of heat transfer fluid, and even the two fall off
Method used
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Embodiment Construction
[0014] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, the connection structure between the locking heat dissipation tube and the tube plate of this embodiment includes the tube plate 1 and the heat dissipation tube 2, and the end of the heat dissipation tube 2 is inserted into the tube hole 11 of the tube plate 1, and also includes a screw connection The locking head 3 at the end of the heat pipe 2; the locking head 3 includes a screw column 31 with a central through hole 34 and a thickened flange 33 with a central hexagonal hole 32, which is convenient for the wrench to lock For the operation of the head 3, the thickened flange 33 has an annular flange 35 folded back, and the tube plate 1 has an annular groove 12 positioned at the periphery of the tube hole 11, and the annular flange 35 is buckled in the annular groove 12.
[0016] The locking head 3 of the...
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The invention discloses a locked connecting structure for heat radiating tubes and a tube plate. The locked connecting structure comprises the tube plate and the heat radiating tubes, wherein the end part of each heat radiating tube is inserted into a tube hole of the tube plate; the locked connecting structure further comprises locking heads connected to the end parts of the heat radiating tubes; each locking head comprises a screw column with a central through hole and a thickened flange with a central hexagon hole; an annular flange which is turned and folded backwards is arranged on each thickened flange; annular slots positioned in the circumferential edges of the tube holes are formed in the tube plate; each annular flange is reversely buckled in the corresponding annular slot. According to the locked connecting structure disclosed by the invention, due to the adoption of a reversely-buckled welding connection mode of the tube plate and the heat radiating tubes, the capability of bearing the deformation pulling force is improved, the leakage of a heat-transfer medium caused by weld cracks is avoided, and the work reliability of a heat radiator is improved; by adopting a split structure that the locking heads are arranged on the heat radiating tubes, the processing and the replacing are facilitated.
Description
technical field [0001] The invention relates to the technical field of chemical industry, in particular to a shell and tube heat exchanger. Background technique [0002] In the chemical production process, heat exchangers are widely used, and there are many types and structures, among which shell and tube heat exchangers are the main ones. The shell and tube heat exchanger is mainly composed of a tube body, a head, a heat dissipation tube and a tube plate, and the ends of multiple heat dissipation tubes are installed in the tube holes of the tube plate. At present, the main problem of the tube-and-tube radiator is that the heat-dissipating tube is inserted into the tube hole and sealed and connected by welding. Because there is a large temperature difference when the heat exchanger is working, the tube plate and the heat-dissipating tube are deformed due to their respective deformations. Larger pull-off force leads to severe deformation of the weld, leakage of the heat tran...
Claims
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IPC IPC(8): F28F9/18
Inventor 宋小林
Owner 无锡纳润特科技有限公司