CN219390676U

CN219390676U - Tube bundle installation mechanism of floating head type heat exchanger

Info

Publication number: CN219390676U
Application number: CN202320237467.2U
Authority: CN
Inventors: 王宜军; 聂磊
Original assignee: Nanjing Haokang Non Ferrous Metal Equipment Co ltd
Current assignee: Nanjing Haokang Non Ferrous Metal Equipment Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-21
Anticipated expiration: 2033-02-16

Abstract

The application discloses tube bank installation mechanism of floating head formula heat exchanger relates to floating head formula heat exchanger technical field, including the heat exchange tube, the fixed tube sheet of heat exchange tube one end fixedly connected with, the tube sheet that floats is close to one side outer wall swing joint of heat exchange tube to the heat exchange tube other end fixedly connected with, the floating head body of floating tube sheet opposite side outer wall swing joint has been seted up a plurality of jacks of evenly distributed to the external wall of floating head, swing joint has the pin rod in the jack, a plurality of fixed orifices of evenly distributed have been seted up in the hook ring, pin rod one end activity is pegged graft in the fixed orifices, the recess has been seted up to pin rod one side, sliding connection has the fixed block in the recess, fixed block one end activity is pegged graft in the fixed orifices. According to the tube plate lamp component fixing device, the first magnet blocks and the second magnet blocks which repel each other with the same polarity can be inserted into the fixing holes to fix the floating tube plate lamp component, so that manpower is not required to rotate a plurality of bolts, the installation time of people to the tube bundle is shortened, and the installation efficiency of the tube bundle is improved.

Description

Tube bundle installation mechanism of floating head type heat exchanger

Technical Field

The application relates to the technical field of floating head heat exchangers, in particular to a tube bundle installation mechanism of a floating head heat exchanger.

Background

In the floating head type heat exchanger, only one end of tube plates at two ends is fixed with the shell, and the other end of the tube plates can freely move relative to the shell, which is called a floating head. The floating head is detachably connected, and the tube bundle can be pulled out from the shell. When the pipe is heated, the pipe bundle and the floating head can freely stretch along the axial direction, so that the temperature difference stress is completely eliminated. The thermal deformations of the tube bundle and the shell are not constrained to each other, so that thermal stresses are not generated.

When the tube bundle of the existing floating head type heat exchanger is installed, the heat exchange tube, the floating tube plate, the hook ring and the floating head body are required to be connected, and after connection, the heat exchange tube and other parts can be integrally placed into the shell to be installed, but when connection, people need to fix the floating tube plate, the hook ring and the floating head body by utilizing a plurality of bolts, and the people rotate the bolts by using tools, so that time and effort are wasted, the installation time of people on the tube bundle is prolonged, the installation efficiency of the tube bundle is reduced, and the requirements of the prior art cannot be met.

Disclosure of Invention

In order to solve the problem that people utilize a plurality of bolts to install parts such as the floating head body and waste time and energy, the application provides a tube bundle installation mechanism of floating head type heat exchanger.

The application provides a tube bank installation mechanism of floating head type heat exchanger, adopts following technical scheme:

the tube bundle mounting mechanism of the floating head type heat exchanger comprises a heat exchange tube, one end of the heat exchange tube is fixedly connected with a fixed tube plate, the other end of the heat exchange tube is fixedly connected with a floating tube plate, one side outer wall of the floating tube plate, which is close to the heat exchange tube, is movably connected with a hook ring, the other side outer wall of the floating tube plate is movably connected with a floating head body, a plurality of evenly distributed jacks are formed in the outer wall of the floating head body, a plurality of evenly distributed fixing holes are formed in the hook ring in the jacks in a movable mode, one end of each pin is movably inserted into the fixing hole, one side of each pin is provided with a groove, a fixing block is connected in the groove in a sliding mode, and one end of each fixing block is movably inserted into the fixing hole.

Optionally, the first magnet piece of recess inner wall fixedly connected with, the one end fixedly connected with second magnet piece that the fixed block is close to first magnet piece, first magnet piece and second magnet piece are like-pole magnet.

Through adopting above-mentioned technical scheme, the recess can support and hide the protection to first magnet piece, and the fixed block can support and be connected the second magnet piece, and first magnet piece can like-pole repel with the second magnet piece, and can be pushed the fixed block in the fixed orifices.

Optionally, the fixed block is close to the one end center department fixedly connected with of first magnet piece and connects the rope, connect rope one end and run through the pin.

Through adopting above-mentioned technical scheme, the fixed block can be connected and spacing connecting rope, and people can pull connecting rope outside the round pin pole.

Optionally, the second magnet piece sliding connection is at the recess inner wall, the connecting rope is located inside first magnet piece and the second magnet piece.

Through adopting above-mentioned technical scheme, the recess can be connected and spacing the second magnet piece, and the rope of connecting can pass first magnet piece and second magnet piece.

Optionally, the hook ring is matched and abutted with the floating head body, and the heat exchange tube is communicated with the inside of the floating head body.

By adopting the technical scheme, the medium in the heat exchange tube can flow into the floating head body.

Optionally, an annular groove is formed between the floating tube plate and the floating head body, and a hollow sealing ring is matched and abutted in the annular groove.

By adopting the technical scheme, the hollow sealing ring can seal the annular groove and seal the gap between the floating tube plate and the floating head body.

Optionally, a plurality of reset springs of evenly distributed are fixedly connected with in the hollow sealing ring, reset springs are the slope form.

By adopting the technical scheme, the hollow sealing ring can support the inclined reset spring.

Optionally, reset spring one end fixedly connected with triangle piece, the cooperation butt of triangle piece is in the hollow seal circle is close to the one side inner wall corner of floating head body.

By adopting the technical scheme, the triangular block can be elastically supported by the reset spring, and the inclined reset spring can push the triangular block at the inner corner of the hollow sealing ring, so that the hollow sealing ring is deformed, and the gap between the floating head body and the floating tube plate can be reduced.

In summary, the present application includes at least one of the following beneficial effects:

1. through like-pole repellent first magnet piece and second magnet piece, can insert the fixed block to the fixed orifices in, come to float tube sheet, hook ring and floating head body and fix fast, shortened people to the installation time of tube bank, improve the installation effectiveness to the tube bank, people only need insert the pin pole on the whole or pulling connecting rope and extract the pin pole, alright carry out quick assembly disassembly to parts such as hook ring, need not the manpower and rotate a plurality of bolts during the dismouting, and is more laborsaving, convenient and practical, suitable a large amount of popularization.

2. Through cavity sealing washer self elasticity, can carry out preliminary sealing to the junction of floating head body and floating tube sheet, under reset spring elasticity, the triangle piece can extrude to the hollow sealing washer corner, makes the hollow sealing washer after the extrusion take place the deformation can reduce the clearance between floating head body and the floating tube sheet, seals the junction of floating head body and floating tube sheet again, prevents that the internal and external medium of floating head from mixing, improves installation mechanism's practicality.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the interior of the overall structure of the present application;

FIG. 3 is an enlarged view of the structure A of FIG. 2 of the present application;

FIG. 4 is an enlarged view of the structure B of FIG. 3 of the present application;

fig. 5 is an enlarged view of the hollow seal ring structure of fig. 3 of the present application.

Reference numerals illustrate: 1. a heat exchange tube; 11. fixing the tube plate; 12. a floating tube sheet; 13. hook ring; 14. a floating head body; 15. an annular groove; 2. a jack; 21. a fixing hole; 22. a pin rod; 23. a groove; 24. a first magnet block; 25. a second magnet block; 26. a fixed block; 27. a connecting rope; 3. a hollow seal ring; 31. a return spring; 32. triangular blocks.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses tube bank installation mechanism of floating head type heat exchanger, refer to fig. 1-2, including heat exchange tube 1, heat exchange tube 1 one end fixedly connected with fixed tube sheet 11, heat exchange tube 1 other end fixedly connected with floating tube sheet 12, fixed tube sheet 11 and floating tube sheet 12 can support and connect heat exchange tube 1, and a plurality of heat exchange tube 1 and floating tube sheet 12 etc. parts have become the tube bank of floating head type heat exchanger.

Referring to fig. 1-2, a hook ring 13 is movably connected to an outer wall of one side of the floating tube plate 12, which is close to the heat exchange tube 1, and a floating head body 14 is movably connected to an outer wall of the other side of the floating tube plate 12, wherein the hook ring 13 can connect the floating tube plate 12 with the floating head body 14, and the heat exchange tube 1, the fixed tube plate 11, the floating tube plate 12, the hook ring 13 and the floating head body 14 are all inner parts of the existing floating head heat exchanger, and the inner structure and the function of the inner part are disclosed and are not repeated herein.

Referring to fig. 1-3, a plurality of evenly distributed jacks 2 are formed in the outer wall of the floating head body 14, pin rods 22 are movably connected in the jacks 2, the floating head body 14 can be connected with the pin rods 22 through the jacks 2, a plurality of evenly distributed fixing holes 21 are formed in the hook rings 13, one end of each pin rod 22 is movably inserted into each fixing hole 21, the fixing holes 21 can be used for connecting and limiting the corresponding pin rods 22, the pin rods 22 are inserted into the fixing holes 21, and preliminary connection between the floating head body 14 and the hook rings 13 can be achieved.

Referring to fig. 2-4, a groove 23 is formed on one side of the pin 22, a fixing block 26 is slidably connected in the groove 23, the pin 22 can support and limit the fixing block 26 through the groove 23, one end of the fixing block 26 is movably inserted into the fixing hole 21, the fixing block 26 is inserted into the fixing hole 21, and the floating head 14 and the hook ring 13 can be connected and fixed again.

Referring to fig. 2-4, the inner wall of the groove 23 is fixedly connected with a first magnet block 24, the groove 23 can support and hide the first magnet block 24, one end of the fixing block 26, which is close to the first magnet block 24, is fixedly connected with a second magnet block 25, the fixing block 26 can support and connect the second magnet block 25, the first magnet block 24 and the second magnet block 25 are like magnets, so that the first magnet block 24 and the second magnet block 25 repel each other, the fixing block 26 can be pushed into the fixing hole 21 under the repulsive force of the magnet blocks, the first magnet block 24 and the second magnet block 25 can also attract the pin 22 in the iron floating head body 14 and the hook ring 13, and the pin 22 is not easy to fall off from the iron floating head body 14 and the hook ring 13.

Referring to fig. 2-4, a connecting rope 27 is fixedly connected to the center of one end of the fixing block 26, which is close to the first magnet block 24, the connecting rope 27 can be connected and limited by the fixing block 26, the connecting rope 27 can be a waterproof and corrosion-resistant rope, one end of the connecting rope 27 penetrates through the pin 22, and people can conveniently pull the connecting rope 27 outside the pin 22.

Referring to fig. 2-4, the second magnet block 25 is slidably connected to the inner wall of the groove 23, the groove 23 can connect and limit the second magnet block 25, the connecting rope 27 is located inside the first magnet block 24 and the second magnet block 25, the connecting rope 27 is convenient to penetrate through the first magnet block 24 and the second magnet block 25, the hook ring 13 is matched and abutted with the floating head body 14 to reduce the gap at the joint of the hook ring 13, the fixed tube plate 11 and the floating head body 14, the heat exchange tube 1 is communicated with the inside of the floating head body 14, and the medium in the heat exchange tube 1 is convenient to flow into the floating head body 14.

Referring to fig. 2, 3 and 5, an annular groove 15 is formed between the floating tube plate 12 and the floating head body 14, a hollow sealing ring 3 is matched and abutted in the annular groove 15, and the hollow sealing ring 3 can seal the annular groove 15 and seal a gap between the floating tube plate 12 and the floating head body 14.

Referring to fig. 2, 3 and 5, a plurality of return springs 31 are fixedly connected in the hollow seal ring 3, the return springs 31 are inclined, and the hollow seal ring 3 can support the inclined return springs 31.

Referring to fig. 2, 3 and 5, one end of the return spring 31 is fixedly connected with a triangular block 32, the return spring 31 can elastically support the triangular block 32, the triangular block 32 is matched and abutted against the corner of the inner wall of one side of the hollow sealing ring 3, which is close to the floating head body 14, the inclined return spring 31 is convenient for pushing the triangular block 32 against the inner corner of the hollow sealing ring 3, and the hollow sealing ring 3 is deformed to reduce the gap between the floating head body 14 and the floating tube plate 12.

The implementation principle of the tube bundle installation mechanism of the floating head type heat exchanger provided by the embodiment of the application is as follows:

when the tube bundle installing device is used, people can connect the hook ring 13 and the floating head body 14 on the floating tube plate 12, then plug the jack 2 and the fixing hole 21 by using the pin rod 22, at the moment, under the repulsive force of the first magnet block 24 and the second magnet block 25 with the same polarity, the fixing block 26 can be pushed into the fixing hole 21 to quickly fix the floating tube plate 12, the hook ring 13 and the floating head body 14, and then people can integrally put the connected heat exchange tube 1, the floating tube plate 12, the hook ring 13 and the floating head body 14 into the shell to finish the tube bundle installing process.

In the same way, on the contrary, people can pull the connecting rope 27 to drive the fixed block 26 to move, so that one end of the fixed block 26 can leave the fixed hole 21, and at the moment, people can pull the pin rod 22 out of the jack 2 and the fixed hole 21 to detach the components such as the hook ring 13, the floating head body 14 and the like.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Tube bank installation mechanism of floating head type heat exchanger, including heat exchange tube (1), its characterized in that: fixed tube sheet (11) of heat exchange tube (1) one end fixedly connected with, heat exchange tube (1) other end fixedly connected with floating tube sheet (12), floating tube sheet (12) are close to one side outer wall swing joint of heat exchange tube (1) has hook ring (13), floating tube sheet (12) opposite side outer wall swing joint has floating head body (14), a plurality of jacks (2) of evenly distributed have been seted up to floating head body (14) outer wall, swing joint has pin (22) in jack (2), a plurality of fixed orifices (21) of evenly distributed have been seted up in hook ring (13), pin (22) one end activity is pegged graft in fixed orifices (21), recess (23) have been seted up to pin (22) one side, sliding connection has fixed block (26) in recess (23), fixed block (26) one end activity is pegged graft in fixed orifices (21).

2. The tube bundle mounting mechanism of a floating head heat exchanger according to claim 1, wherein: the inner wall of the groove (23) is fixedly connected with a first magnet block (24), one end of the fixed block (26) close to the first magnet block (24) is fixedly connected with a second magnet block (25), and the first magnet block (24) and the second magnet block (25) are homopolar magnets.

3. The tube bundle mounting mechanism of a floating head heat exchanger according to claim 2, wherein: the fixed block (26) is fixedly connected with a connecting rope (27) near the center of one end of the first magnet block (24), and one end of the connecting rope (27) penetrates through the pin rod (22).

4. A tube bundle mounting mechanism for a floating head heat exchanger according to claim 3, wherein: the second magnet block (25) is slidably connected to the inner wall of the groove (23), and the connecting rope (27) is positioned inside the first magnet block (24) and the second magnet block (25).

5. The tube bundle mounting mechanism of a floating head heat exchanger according to claim 1, wherein: the hook ring (13) is matched and abutted with the floating head body (14), and the heat exchange tube (1) is communicated with the inside of the floating head body (14).

6. The tube bundle mounting mechanism of a floating head heat exchanger according to claim 1, wherein: an annular groove (15) is formed between the floating tube plate (12) and the floating head body (14), and a hollow sealing ring (3) is matched and abutted in the annular groove (15).

7. The tube bundle mounting mechanism for a floating head heat exchanger as set forth in claim 6, wherein: a plurality of evenly distributed reset springs (31) are fixedly connected in the hollow sealing ring (3), and the reset springs (31) are inclined.

8. The tube bundle mounting mechanism of a floating head heat exchanger as set forth in claim 7, wherein: one end of the return spring (31) is fixedly connected with a triangular block (32), and the triangular block (32) is matched and abutted to the corner of the inner wall of one side of the hollow sealing ring (3) close to the floating head body (14).