CN217210492U

CN217210492U - High floating head heat exchanger of stability

Info

Publication number: CN217210492U
Application number: CN202220847720.1U
Authority: CN
Inventors: 吴澄; 刘萍花; 赵强; 倪峰
Original assignee: Wuxi Dingbang Heat Exchanger Equipment Co ltd
Current assignee: Wuxi Dingbang Heat Exchanger Equipment Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-16
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a high floating head heat exchanger of stability, including casing and two installation pipe boxes, the both ends integrated into one piece of casing has the second mounting disc, and the one end integrated into one piece of installation pipe box has first mounting disc, and the equal fixedly connected with in one side of first mounting disc and second mounting disc is sealed fills up, and first mounting disc and second mounting disc dock mutually, and casing and installation pipe box communicate mutually, a plurality of jacks have been seted up to circumference one side of second mounting disc, a plurality of fixed blocks of circumference one side fixedly connected with of first mounting disc, and the last surface swing joint of fixed block has the post of inserting, and the bottom of inserting the post is pegged graft mutually with the jack, the circumference inner wall joint of casing has first tube sheet. The utility model discloses when the connecting pipe takes place thermal expansion because of receiving the temperature difference, can eliminate thermal stress to prevent that connecting pipe and second tube sheet from taking place to damage the phenomenon, ensured the normal use of heat exchanger, satisfy people's demand.

Description

High floating head heat exchanger of stability

Technical Field

The utility model relates to a heat exchanger technical field especially relates to a high floating head heat exchanger of stability.

Background

The heat exchanger is an energy-saving device which can realize heat transfer between materials between two or more than two material fluids with different temperatures, and can transfer heat from the fluid with higher temperature to the fluid with lower temperature so that the temperature of the fluid reaches the indexes specified by the technology to meet the requirements of process conditions.

The existing floating head type heat exchanger mostly has the following defects: when the heat exchanger is used, the internal connecting tube bundle is thermally expanded due to different temperatures, so that the connecting tube bundle and the tube plate are easily damaged, the stability of the heat exchanger in use is influenced, and the heat exchanger is inconvenient to disassemble when the inside of the heat exchanger needs to be repaired, the normal use of the heat exchanger is influenced, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a floating head type heat exchanger with high stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a floating head type heat exchanger with high stability comprises a shell and two installation tube boxes, wherein second installation discs are integrally formed at two ends of the shell, a first installation disc is integrally formed at one end of each installation tube box, sealing gaskets are fixedly connected to one sides of the first installation disc and the second installation disc, the first installation disc and the second installation disc are in butt joint, the shell is communicated with the installation tube boxes, a plurality of jacks are formed in one side of the circumference of the second installation disc, a plurality of fixing blocks are fixedly connected to one side of the circumference of the first installation disc, inserting columns are movably connected to the upper surfaces of the fixing blocks, the bottom ends of the inserting columns are in plug joint with the jacks, a first tube plate is clamped on the inner wall of the circumference of the shell, a plurality of connecting tubes are in plug joint with one end of each connecting tube, a second tube plate is sleeved on one side of the first tube plate, a support ring is fixedly connected to the inner wall of the circumference of the shell, and a gasket is embedded in the support ring, the second tubesheet is in contact with the gasket.

As the utility model discloses scheme further again, the circumference outside integrated into one piece of second mounting disc has solid fixed ring, gu fixed ring's circumference outside swing joint has the spacing ring, and the spacing ring is pegged graft mutually with the second mounting disc.

As the utility model discloses the scheme of furthering again, the spacing groove has been seted up to one side of inserting the post, and spacing ring and spacing groove peg graft mutually.

As the utility model discloses further scheme again, the bottom inner wall of jack and the bottom of inserting the post all are provided with magnet, and magnetic force attracts between the magnet.

As the utility model discloses scheme further again, a plurality of locating holes have been seted up to one side of second mounting disc, and one side integrated into one piece of first mounting disc has a plurality of reference columns, and reference column and locating hole are pegged graft mutually.

As the utility model discloses scheme further again, one of them the sealed grafting in the circumference outside of installation pipe case has cold flow inlet pipe and cold flow discharging pipe, and the sealed grafting of the circumference outer wall of casing has thermal current discharging pipe and thermal current inlet pipe.

As the utility model discloses scheme further again, the circumference inner wall fixedly connected with baffle of installation pipe case, the circumference inner wall joint of casing have a plurality of baffling boards, and the connecting pipe passes the baffling board, and one side joint of second tube sheet has the floating head lid.

As a further proposal, the bottom of the shell is fixedly connected with two mounting plates.

The utility model has the advantages that:

1. the utility model discloses, through setting up the packing ring, under the elastic action of packing ring for the second tube sheet free floating, thereby when the connecting pipe takes place thermal expansion because of receiving the temperature difference, can eliminate thermal stress, take place the damage phenomenon with second tube sheet in order to prevent connecting pipe, ensured the normal use of heat exchanger, satisfy people's demand.

2. The utility model discloses, through first mounting disc and second mounting disc through inserting the fixed mode of post and jack grafting, not only guaranteed the stability when heat exchanger uses, but also make things convenient for floating head heat exchanger to dismantle, be favorable to overhauing, simplified floating head heat exchanger's overall structure.

3. The utility model discloses, through the setting of baffling board, can guarantee the homogeneity that steam flows, increase heat transfer area, improve the holistic heat exchange efficiency of heat exchanger.

Drawings

Fig. 1 is a schematic perspective view of a floating head heat exchanger with high stability according to the present invention;

fig. 2 is a schematic sectional structural view of a floating head heat exchanger with high stability according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a position a of the floating head heat exchanger with high stability provided by the utility model.

Fig. 4 is a schematic view of a partial cross-sectional structure of a floating head heat exchanger with high stability according to the present invention.

Fig. 5 is a schematic view of a partial three-dimensional structure of a floating head heat exchanger with high stability according to the present invention.

In the figure: 1. a housing; 2. installing a pipe box; 3. a first mounting plate; 4. a second mounting plate; 5. a jack; 6. a fixing ring; 7. a limiting ring; 8. a fixed block; 9. inserting a column; 10. a limiting groove; 11. a magnet; 12. positioning holes; 13. a positioning column; 14. a cold flow feed pipe; 15. a cold flow discharge pipe; 16. a heat flow discharging pipe; 17. a heat flow feed tube; 18. mounting a plate; 19. a partition plate; 20. a first tube sheet; 21. a connecting pipe; 22. a baffle plate; 23. a second tube sheet; 24. a floating head cover; 25. a support ring; 26. a gasket.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1 to 5, a high-stability floating head heat exchanger includes a housing 1 and two installation tube boxes 2, wherein second installation plates 4 are integrally formed at two ends of the housing 1, a first installation plate 3 is integrally formed at one end of each installation tube box 2, sealing gaskets are bonded to one sides of the first installation plate 3 and the second installation plate 4, the sealing performance between the first installation plate 3 and the second installation plate 4 is improved due to the design of the sealing gaskets, so that the sealing performance of the floating head heat exchanger is ensured, the heat loss is reduced, the first installation plate 3 and the second installation plate 4 are in butt joint, the housing 1 is communicated with the installation tube boxes 2, a plurality of insertion holes 5 are formed in one side of the circumference of the second installation plate 4, a plurality of fixing blocks 8 are fixed on one side of the circumference of the first installation plate 3 through bolts, insertion posts 9 are inserted into the upper surfaces of the fixing blocks 8, the bottom ends of the insertion posts 9 are inserted into the insertion holes 5, the first mounting disc 3 and the second mounting disc 4 are fixedly connected through the inserting columns 9 and the inserting holes 5 in an inserting mode, so that the stability of the heat exchanger in use is guaranteed, the floating head type heat exchanger is convenient to disassemble, the overhaul is facilitated, the integral structure of the floating head type heat exchanger is simplified, the first tube plate 20 is connected to the circumferential inner wall of the shell 1 in a clamping mode, a plurality of connecting tubes 21 are connected to one side of the first tube plate 20 in an inserting mode, one ends of the connecting tubes 21 are connected with the same second tube plate 23 in a sleeved mode, the circumferential inner wall of the shell 1 is fixedly provided with the supporting ring 25 through bolts, the supporting ring 26 is embedded in the supporting ring 25 and is provided with the gasket 26, the second tube plate 23 is enabled to float freely under the elastic action of the gasket 26, and therefore when the connecting tubes 21 are subjected to thermal expansion due to different temperatures, thermal stress can be eliminated, the connecting tubes 21 and the second tube plate 23 are prevented from being damaged, and the normal use of the heat exchanger is guaranteed, the second tubesheet 23 is in contact with the gasket 26.

In the utility model, the fixing ring 6 is integrally formed on the outer side of the circumference of the second mounting plate 4, the outer side of the circumference of the fixing ring 6 is in threaded connection with the limit ring 7, the limit ring 7 is inserted with the second mounting plate 4, one side of the inserting column 9 is provided with the limit groove 10, the limit ring 7 is inserted with the limit groove 10, the limit ring 7 and the limit groove 10 further ensure the connection stability of the first mounting plate 3 and the second mounting plate 4, the bottom inner wall of the inserting hole 5 and the bottom end of the inserting column 9 are both provided with the magnet 11, the magnetic force between the magnet 11 attracts each other, one side of the second mounting plate 4 is provided with the plurality of positioning holes 12, one side of the first mounting plate 3 is integrally formed with the plurality of positioning columns 13, the positioning columns 13 are inserted with the positioning holes 12, the inserting mode of the positioning columns 13 and the positioning holes 12 can play a role of positioning and installation when the first mounting plate 3 and the second mounting plate 4 are installed, so as to do the pre-fixing to it, the sealed grafting in the circumference outside of one of them installation pipe case 2 has cold flow inlet pipe 14 and cold flow discharging pipe 15, and the sealed grafting in circumference outer wall of casing 1 has hot flow discharging pipe 16 and hot flow inlet pipe 17, the circumference inner wall of installation pipe case 2 has baffle 19 through the bolt fastening, the circumference inner wall joint of casing 1 has a plurality of baffling boards 22, connecting pipe 21 passes baffling board 22, baffling board 22's design, can guarantee the homogeneity that hot gas flows, heat transfer area has been increased, the holistic heat exchange efficiency of heat exchanger has been improved, and one side joint of second tube board 23 has floating head lid 24, the bottom of casing 1 is passed through the bolt fastening has two mounting panels 18.

The working principle is as follows: during the use, heat transfer fluid with high temperature gets into installation pipe case 2 in from cold flow inlet pipe 14 to in the connecting pipe 21 of casing 1 top, then flow to in the cavity between second tube sheet 23 and floating cover 24, thereby get into in the connecting pipe 21 that is located the casing 1 below, thereby flow to in the installation pipe case 2, in this process, high temperature's steam gets into in the casing 1 through hot flow inlet pipe 17, along with the rising of hot steam, make the gap flow of hot steam between connecting pipe 21, thereby take away the heat of hot fluid in connecting pipe 21, and discharge through hot flow discharging pipe 16, with this realization heat transfer function.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high floating head heat exchanger of stability, includes casing (1) and two installation tube casees (2), its characterized in that, the both ends integrated into one piece of casing (1) has second mounting disc (4), and the one end integrated into one piece of installation tube case (2) has first mounting disc (3), and the equal fixedly connected with of one side of first mounting disc (3) and second mounting disc (4) is sealed to fill up, and first mounting disc (3) and second mounting disc (4) dock mutually, and casing (1) and installation tube case (2) are linked together, a plurality of jacks (5) have been seted up to circumference one side of second mounting disc (4), and circumference one side fixedly connected with of first mounting disc (3) a plurality of fixed blocks (8), the upper surface swing joint of fixed block (8) has inserted column (9), and the bottom and jack (5) of inserted column (9) are pegged graft mutually, the circumference inner wall joint of casing (1) has first tube sheet (20), one side of first tube sheet (20) is pegged graft and is had a plurality of connecting pipes (21), and the one end of connecting pipe (21) has cup jointed same second tube sheet (23), the circumference inner wall fixedly connected with support ring (25) of casing (1), and the embedded packing ring (26) that has connect of support ring (25), second tube sheet (23) and packing ring (26) contact.

2. The floating head heat exchanger with high stability according to claim 1, wherein a fixing ring (6) is integrally formed on the outer side of the circumference of the second mounting plate (4), a limiting ring (7) is movably connected to the outer side of the circumference of the fixing ring (6), and the limiting ring (7) is inserted into the second mounting plate (4).

3. The floating head heat exchanger with high stability according to claim 2, wherein one side of the insert column (9) is provided with a limiting groove (10), and the limiting ring (7) is inserted into the limiting groove (10).

4. A floating head heat exchanger with high stability according to claim 3, wherein the bottom inner wall of the insertion hole (5) and the bottom end of the insertion column (9) are provided with magnets (11), and the magnets (11) are attracted by magnetic force.

5. The floating head heat exchanger with high stability according to claim 1, wherein a plurality of positioning holes (12) are formed in one side of the second mounting plate (4), a plurality of positioning columns (13) are integrally formed in one side of the first mounting plate (3), and the positioning columns (13) are inserted into the positioning holes (12).

6. The floating head heat exchanger with high stability as claimed in claim 1, wherein a cold flow feed pipe (14) and a cold flow discharge pipe (15) are hermetically inserted on the outer circumferential side of one of the installation pipe boxes (2), and a hot flow discharge pipe (16) and a hot flow feed pipe (17) are hermetically inserted on the outer circumferential wall of the shell (1).

7. The floating head heat exchanger with high stability according to claim 1, wherein a partition plate (19) is fixedly connected to the circumferential inner wall of the installation tube box (2), a plurality of baffle plates (22) are clamped to the circumferential inner wall of the shell (1), the connecting tube (21) penetrates through the baffle plates (22), and a floating head cover (24) is clamped to one side of the second tube plate (23).

8. A floating head heat exchanger with high stability according to claim 1, characterized in that two mounting plates (18) are fixedly connected to the bottom of the housing (1).