CN214468535U - Thread type heat exchange tube structure for nuclear power steam generator - Google Patents
Thread type heat exchange tube structure for nuclear power steam generator Download PDFInfo
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- CN214468535U CN214468535U CN202023116410.2U CN202023116410U CN214468535U CN 214468535 U CN214468535 U CN 214468535U CN 202023116410 U CN202023116410 U CN 202023116410U CN 214468535 U CN214468535 U CN 214468535U
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- exchange tube
- mounting disc
- steam generator
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Abstract
The utility model relates to the technical field of heat exchange tube structures, in particular to a threaded heat exchange tube structure for a nuclear power steam generator, which comprises a plurality of groups of threaded heat exchange tubes, wherein each threaded heat exchange tube comprises a heat exchange tube main body, each threaded heat exchange tube also comprises an arc tube and a mounting disc, each mounting disc comprises a first mounting disc and a second mounting disc, one port of each arc tube is connected with one port of the heat exchange tube main body, the other port of each arc tube is connected with the first mounting disc, and the other port of the heat exchange tube main body is connected with the second mounting disc; simultaneously, the heat exchange tube is convenient to connect, install and detach through the installation disc under the condition of satisfying the use through the arc-shaped tube, the working strength is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a heat exchange tube technical field specifically is a screw thread formula heat exchange tube structure for nuclear power steam generator.
Background
The nuclear power steam generator can transfer heat generated by a reactor to the secondary side of the steam generator, the generated steam is dried by the primary steam-water separator and the secondary steam-water separator to drive the steam turbine generator to generate electricity, the steam turbine generator is one of the most critical main devices of the nuclear power plant, and the heat exchange tube structure is one of the most important parts in the nuclear power steam generator, which influences the use effect of the nuclear power steam generator, but the existing heat exchange tube structure for the nuclear power steam generator still has the following problems in actual use:
1. the existing heat exchange tube for the nuclear power steam generator has low heat exchange efficiency and low working efficiency, and is not beneficial to wide application;
2. the existing heat exchange tube for the nuclear power steam generator has a single structure, is not easy to splice and disassemble, has high working strength of mounting, rotating and disassembling, long time and low working efficiency, can not be locally repaired during replacement and maintenance, and has high investment cost;
3. the existing heat exchange tube structure for the nuclear power steam generator is poor in sealing effect, maintenance cost is increased, and service life is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a screw thread formula heat exchange tube structure for nuclear power steam generator to the loaded down with trivial details complicated problem of installation dismantlement among the solution prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw thread formula heat exchange tube structure for nuclear power steam generator, includes a plurality of screw thread formula heat exchange tubes, the screw thread formula heat exchange tube includes the heat exchange tube main part, its characterized in that, the screw thread formula heat exchange tube still wraps arc pipe and mounting disc, the mounting disc includes first mounting disc and second mounting disc, a port of arc pipe is connected with a port of heat exchange tube main part, and another port and the first mounting disc of arc pipe are connected, and another port and the second mounting disc of heat exchange tube main part are connected.
Further inject, be equipped with the connecting pipe on the second mounting disc, the connecting pipe is connected with the heat exchange tube main part.
Further defined, the outer wall of the connecting pipe is connected with the inner wall of the heat exchange pipe main body.
Further, a sealing element is arranged on the second mounting plate and connected with a port of the connecting pipe.
Further limiting, an assembly seat is arranged on the arc-shaped pipe, a reserved threaded hole is formed in the assembly seat, and the assembly seat is parallel to the axial direction of the heat exchange pipe main body.
Further, the assembly seat is provided with anti-slip sheets on the back, and the anti-slip sheets are made of rubber.
Further limit, be equipped with the external screw thread layer on the outer wall of heat exchange tube main part, be equipped with the internal screw thread layer on the inner wall.
Further limiting, the plurality of groups of threaded heat exchange tubes are connected with the second mounting disc of the other group through the first mounting disc of one group to realize end-to-end connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the threaded heat exchange tube structure for the nuclear power steam generator is provided with the heat exchange tube main body, the inner threaded layer, the assembly seat, the reserved threaded hole and the outer threaded layer, so that the device optimizes the performance of the device, when the threaded heat exchange tube structure is used, a medium containing a large amount of heat energy is used for heating the heat exchange tube main body when the threaded heat exchange tube structure runs in the heat exchange structure, the heat exchange tube main body transfers the heat energy to the medium wrapping the outside of the heat exchange tube main body, on one hand, the outer threaded layer and the inner threaded layer are additionally arranged on the heat exchange tube main body, the surface area of the heat exchange tube can be increased, further, the advantage of increasing the heat exchange efficiency is realized, on the other hand, the increase of the heat exchange surface area of the heat exchange tube main body is realized through the threaded structure, the threaded heat exchange tube structure is convenient to process, compared with the common operations of welding a plurality of heat dissipation fins and the like, the cost is saved, the processing efficiency is improved, the long-term popularization of the device is facilitated, and each arc-shaped tube is fixedly arranged, the assembly seat is provided with the reserved threaded hole, so that a user can conveniently and fixedly install the assembled heat exchange structure in the shell of the nuclear power steam generator, and the practicability of the device is further enhanced;
2. the threaded heat exchange tube structure for the nuclear power steam generator is provided with the first mounting disc and the second mounting disc, so that the device optimizes the structure of the device, and can be assembled with a plurality of heat exchange tube main bodies, the device has the combined advantage, a user can assemble different numbers of heat exchange tube main bodies according to the actual heat exchange requirement of the nuclear power steam generator, different heat exchange requirements are met, the applicability of the device is further enhanced, the long-term popularization of the device is facilitated, and the firmness of the joint when the device is spliced is improved by arranging the reinforcing nut on the locking bolt;
3. the threaded heat exchange tube structure for the nuclear power steam generator is provided with the second mounting disc, the heat exchange tube main body, the first mounting disc, the connecting tube, the second sealing element and the first sealing element, so that when the device is used specifically, on one hand, the sealing effect at the joint of the first mounting disc and the second mounting disc is improved by arranging the silica gel sealing layer at one end of the second mounting disc, which is far away from the heat exchange tube main body, and on the other hand, the second mounting disc realizes a double-layer sealing structure by arranging the second sealing element and the first sealing element which are arranged in a concentric circle manner at one end of the second mounting disc, which is close to the heat exchange tube main body, so that the sealing effect at the joint of the second mounting disc and the heat exchange tube main body is improved, the risk of leakage is reduced, on the other hand, a user can disassemble and replace the second mounting disc by utilizing the threaded connection effect between the connecting tube and the heat exchange tube main body, and then realize the maintenance to seal structure on the second mounting disc, guaranteed the holistic sealing performance of device, be convenient for regular maintenance, strengthened the functional of device.
Drawings
FIG. 1 is a schematic front sectional view illustrating the structure of the present embodiment;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a side sectional view of the second mounting plate of the present embodiment;
FIG. 4 is a schematic top sectional view of the mounting base of the present embodiment;
in the figure: 1. assembling a seat; 2. an arc tube; 3. a first mounting plate; 4. a second mounting plate; 5. a connecting pipe; 6. an outer threaded layer; 7. an internal thread layer; 8. a heat exchange tube main body; 9. reinforcing the nut; 10. locking the bolt; 11. a first seal member; 12. a second seal member; 13. a fixing hole; 14. reserving a threaded hole; 15. and (4) anti-slip sheets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a threaded heat exchange tube structure for a nuclear power steam generator comprises a plurality of groups of threaded heat exchange tubes, wherein each group of threaded heat exchange tubes comprises a heat exchange tube main body 8, an arc-shaped tube 2, an assembling seat 1 and a mounting disc, and the mounting disc comprises a first mounting disc 3 and a second mounting disc 4;
one end of the heat exchange tube main body 8 is connected with one end of the arc-shaped tube 2, the other end of the heat exchange tube main body 8 is connected with the second mounting disc 4, the other end of the arc-shaped tube 2 is connected with the first mounting disc 3, the heat exchange tube main body 8 and the arc-shaped tube 2 can be connected in a welding mode, an external thread layer 6 is arranged on the outer wall of the heat exchange tube main body 8, and an internal thread layer 7 is arranged on the inner wall of the heat exchange tube main body 8, so that the contact area of the heat exchange tube main body 8 and internal and external media is increased, and the heat exchange efficiency is improved;
a plurality of fixing holes 13 are formed in the corresponding positions of the first mounting disc 3 and the second mounting disc 4, the number of the fixing holes 13 can be 8, locking bolts 10 are arranged on the fixing holes 13, the first mounting disc 3 and the second mounting disc 4 are connected through the cooperation of the locking bolts 10 and reinforcing nuts 9, meanwhile, a silica gel sealing layer can be arranged on the second mounting disc 4, the sealing performance of the first mounting disc 3 and the second mounting disc 4 is enhanced, a connecting pipe 5 is arranged on the second mounting disc 4, the outer wall of the connecting pipe 5 is connected with the inner wall of the heat exchange pipe main body 8, the connecting pipe 5 can be connected with the heat exchange pipe main body 8 through threads, the connection of the second mounting disc 4 and the heat exchange pipe main body 8 is achieved, a sealing element 11 is further arranged on the second mounting disc 4, the connecting pipe 5 is connected with the sealing element 11, the sealing element 11 can be made of rubber, and the connecting sealing performance of the heat exchange pipe main body 8 is high;
the assembly seat 1 is provided with a groove, the assembly seat 1 is connected with the arc-shaped pipe 2 through the groove, the assembly seat 1 is horizontally installed, the assembly seat 1 is further provided with a reserved threaded hole 14, the back of the assembly seat 1 is provided with an anti-slip sheet 15, the anti-slip sheet 15 and the assembly seat 1 can be connected in a hot melting mode, the assembly seat 1 is connected with the outside through the reserved threaded hole 14, the threaded heat exchange pipe is fixed, and the anti-slip sheet 15 increases the friction coefficient of connection with the outside;
the first mounting disc 3 of a set of screw thread formula heat exchange tube is connected with the second mounting disc 4 of another group, accomplishes the end-to-end connection of every group screw thread formula heat exchange tube, can select every group screw thread formula heat exchange tube to be in the coplanar when end-to-end connection.
The working principle is as follows:
when the device is used, a user can assemble the first mounting disc 3 and the second mounting disc 4 through the locking bolts 10 by utilizing the action of the corresponding fixing holes 13 arranged on the first mounting disc 3 and the second mounting disc 4, and further can assemble a plurality of heat exchange tube main bodies 8, so that the device has the advantage of combination, and is convenient for the user to assemble the device in different quantities and shapes according to the actual heat exchange requirements of the nuclear power steam generator, so that different heat exchange requirements are met, the applicability of the device is further enhanced, the long-term popularization of the device is facilitated, and the firmness of the connecting part during the assembly of the device is improved;
a silica gel sealing layer is arranged at one end, far away from the heat exchange tube main body 8, of the second mounting disc 4, so that the sealing effect of the joint of the first mounting disc 3 and the second mounting disc 4 is improved;
one end, close to the heat exchange tube main body 8, of the second mounting disc 4 is welded with a connecting tube 5, and the connecting tube 5 is in threaded connection with the heat exchange tube main body 8;
when the device is used, a user can disassemble, assemble and replace the second mounting disc 4 by utilizing the threaded connection effect between the connecting pipe 5 and the heat exchange pipe main body 8, so that the maintenance of the sealing structure on the second mounting disc 4 is realized, the integral sealing performance of the device is ensured, the regular maintenance is facilitated, and the functionality of the device is enhanced;
through being provided with sealing member 11 on second mounting disc 4 for second mounting disc 4 has realized seal structure, has promoted the sealed effect of second mounting disc 4 and the 8 junctions of heat exchange tube main part, has alleviateed the risk of seepage.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a screw thread formula heat exchange tube structure for nuclear power steam generator, includes a plurality of screw thread formula heat exchange tubes, the screw thread formula heat exchange tube includes heat exchange tube main part (8), its characterized in that, the screw thread formula heat exchange tube still wraps arc pipe (2) and mounting disc, the mounting disc includes first mounting disc (3) and second mounting disc (4), a port and the port of heat exchange tube main part (8) of arc pipe (2) are connected, and another port and first mounting disc (3) of arc pipe (2) are connected, and another port and the second mounting disc (4) of heat exchange tube main part (8) are connected.
2. The threaded heat exchange tube structure for a nuclear power steam generator of claim 1, further comprising: and the second mounting disc (4) is provided with a connecting pipe (5), and the connecting pipe (5) is connected with the heat exchange pipe main body (8).
3. The threaded heat exchange tube structure for a nuclear power steam generator of claim 2, wherein: the outer wall of the connecting pipe (5) is connected with the inner wall of the heat exchange pipe main body (8).
4. The threaded heat exchange tube structure for the nuclear power steam generator of claim 3, wherein: and a sealing element is arranged on the second mounting disc (4) and is connected with the port of the connecting pipe (5).
5. The threaded heat exchange tube structure for a nuclear power steam generator of claim 1, further comprising: the heat exchange tube is characterized in that an assembly seat (1) is arranged on the arc-shaped tube (2), a reserved threaded hole (14) is formed in the assembly seat (1), and the assembly seat (1) is parallel to the axial direction of the heat exchange tube main body (8).
6. The threaded heat exchange tube structure for a nuclear power steam generator of claim 5, wherein: the back of the assembling seat (1) is provided with an anti-slip sheet (15), and the anti-slip sheet (15) is made of rubber.
7. The threaded heat exchange tube structure for the nuclear power steam generator according to any one of claims 1 to 6, characterized in that: the outer wall of the heat exchange tube main body (8) is provided with an external thread layer (6), and the inner wall is provided with an internal thread layer (7).
8. The threaded heat exchange tube structure for a nuclear power steam generator of claim 7, further comprising: the plurality of groups of threaded heat exchange tubes are connected with the other group of second mounting discs (4) through one group of first mounting discs (3) to realize end-to-end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116410.2U CN214468535U (en) | 2020-12-22 | 2020-12-22 | Thread type heat exchange tube structure for nuclear power steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023116410.2U CN214468535U (en) | 2020-12-22 | 2020-12-22 | Thread type heat exchange tube structure for nuclear power steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214468535U true CN214468535U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023116410.2U Active CN214468535U (en) | 2020-12-22 | 2020-12-22 | Thread type heat exchange tube structure for nuclear power steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214468535U (en) |
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2020
- 2020-12-22 CN CN202023116410.2U patent/CN214468535U/en active Active
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