CN216745614U

CN216745614U - Shell-and-tube heat exchanger

Info

Publication number: CN216745614U
Application number: CN202220166798.7U
Authority: CN
Inventors: 王连浩; 孟阔; 王新玉
Original assignee: Shenyang Sanfeng Lubrication Equipment Co ltd
Current assignee: Shenyang Sanfeng Lubrication Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-14
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a shell-and-tube heat exchanger, which relates to the technical field of heat exchangers and comprises a shell, wherein a tube box is arranged at one end of the shell, a shell cover is arranged at the other end of the shell, a tube bundle is arranged in the shell, a lantern ring is arranged at the joint of the tube bundle and the shell cover, and three observation holes are formed in the lantern ring. This shell and tube type heat exchanger is when the lantern ring design, bore three observation hole on the lantern ring, bore it through, if the tube side seals the problem with the lantern ring, can observe there being water in observing the hole through observing the hole, if the discovery has lubricating oil's appearance in observing the hole, just can know sealed problem of appearing between casing and the lantern ring, so, can more audio-visual discovery problem, need not make a round trip to dismantle and assemble, it is direct to observe through observing the hole, reduce the manpower and make a round trip to dismantle the trouble of looking for the problem.

Description

Shell-and-tube heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a shell-and-tube heat exchanger.

Background

The shell-and-tube heat exchanger is a common heat exchanger in industrial production, has a simple structure, is convenient to overhaul and maintain, has low manufacturing cost, is suitable for high-temperature and high-pressure environments, and has a wide application range.

In the shell-and-tube heat exchangers used in the lubricating station in the market at present, most tube plates and shells of tube bundles of the shell-and-tube heat exchangers adopt elastic compensation rings to eliminate or reduce thermal stress and protect tube passes from being damaged.

In addition, the problem that whether cold and hot fluid is streaming or not can not be directly observed exists, the problem that the heat exchanger cannot be accurately judged can be caused, the heat exchanger can only be continuously disassembled for maintenance, the cold fluid is mostly aqueous solution when the heat exchanger is used in a thin oil station, the hot fluid is lubricating oil, when the cold and hot fluid is streaming, water and the lubricating oil are mixed, and the lubricating oil is emulsified along with the increase of time, so that the loss is huge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell-and-tube heat exchanger, wherein a lantern ring is arranged between a tube bundle and a shell cover, and observation holes are formed in the lantern ring, so that whether the tightness is in problem or not can be intuitively found through the observation holes, the disassembly and the assembly are not needed, and the trouble of finding the problem through manual disassembly and the assembly is reduced.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a shell-and-tube heat exchanger which comprises a shell, wherein a tube box is arranged at one end of the shell, a shell cover is arranged at the other end of the shell, a tube bundle is arranged in the shell, two ends of the tube bundle are respectively connected with the tube box and the shell cover, a lantern ring is arranged at the joint of the tube bundle and the shell cover, three observation holes are formed in the lantern ring, the observation holes penetrate through the lantern ring, and whether the sealing performance is intact can be directly observed through the observation holes, so that the shell-and-tube heat exchanger is more convenient.

Furthermore, two sealing rings are arranged on the lantern ring, and the lantern ring is reinforced by the sealing rings, so that the sealing performance is improved.

Furthermore, a pipe box cover plate is arranged at one end of the pipe box, and the pipe box cover plate seals the pipe box.

Furthermore, both ends of the tube box are provided with second gaskets, and the two second gaskets are respectively arranged at the connecting positions of the tube box, the tube bundle and the tube box cover plate, so that the sealing property inside the tube box is improved.

Further, the first gasket is arranged at the joint of the shell and the tube bundle, so that the sealing performance between the shell and the tube bundle is improved.

Furthermore, the outer end of the shell is fixedly provided with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe is provided with an oil outlet, and lubricating oil is introduced into the shell to exchange heat.

Further, the fixed first blast pipe that is equipped with in casing top, the casing bottom mounting is equipped with the oil extraction pipe, first blast pipe are established and are advanced oil pipe, go out between the oil pipe, utilize first blast pipe exhaust casing in unnecessary air.

Furthermore, a water outlet pipe and a water inlet pipe are fixedly arranged on the rear side of the pipe box, the water inlet pipe is arranged at the bottom of the water outlet pipe, and cooling water flows into and out of the pipe bundle.

Furthermore, a second exhaust pipe and a first exhaust pipe are fixedly arranged at the top end and the bottom end of the pipe box respectively, and redundant air in the pipe box is exhausted.

Furthermore, a third exhaust pipe and a second drain pipe are fixedly arranged at the top end and the bottom end of the shell cover respectively, and redundant air in the shell cover is discharged.

The utility model has the characteristics and advantages that:

this shell and tube type heat exchanger is when the lantern ring design, bore three observation hole on the lantern ring, bore it through, if the tube side seals the problem with the lantern ring, can observe there being water in observing the hole through observing the hole, if the discovery has lubricating oil's appearance in observing the hole, just can know sealed problem of appearing between casing and the lantern ring, so, can more audio-visual discovery problem, need not make a round trip to dismantle and assemble, it is direct to observe through observing the hole, reduce the manpower and make a round trip to dismantle the trouble of looking for the problem.

Drawings

FIG. 1 is a cross-sectional view provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of a lantern ring provided in accordance with the present invention;

FIG. 4 is a side view provided by the present invention;

fig. 5 is an enlarged view of the portion B of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a tube bundle; 3. a pipe box; 4. a shell cover; 5. a pipe box cover plate; 6. a lantern ring; 7. a seal ring; 8. a first gasket; 9. a second gasket; 10. an observation hole; 11. an oil inlet pipe; 12. an oil outlet pipe; 13. an oil passing port; 14. an oil discharge pipe; 15. a first exhaust pipe; 16. a water inlet pipe; 17. a water outlet pipe; 18. a first drain pipe; 19. a second exhaust pipe; 20. a third exhaust pipe; 21. and a second water discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a shell-and-tube heat exchanger, which comprises a shell 1, wherein one end of the shell 1 is provided with a tube box 3, the other end of the shell 1 is provided with a shell cover 4, a tube bundle 2 is arranged in the shell 1, cooling water absorbs heat of lubricating oil through the tube bundle 2, two ends of the tube bundle 2 are respectively connected with the tube box 3 and the shell cover 4, a lantern ring 6 is arranged at the joint of the tube bundle 2 and the shell cover 4, three observation holes 10 are formed in the lantern ring 6, the observation holes 10 penetrate through the lantern ring 6, and whether the sealing performance is intact can be directly observed through the observation holes 10, so that the shell-and-tube heat exchanger is more convenient.

The lantern ring 6 is provided with two sealing rings 7, and the lantern ring 6 is reinforced by the sealing rings 7, so that the sealing performance is improved.

And a pipe box cover plate 5 is arranged at one end of the pipe box 3, and the pipe box cover plate 5 seals the pipe box 3 to improve the sealing property.

The two ends of the tube box 3 are respectively provided with a second gasket 9, and the two second gaskets 9 are respectively arranged at the connecting parts of the tube box 3, the tube bundle 2 and the tube box cover plate 5, so that the sealing property inside the tube box 3 is improved.

The first gasket 8 is arranged at the joint of the shell 1 and the tube bundle 2, so that the sealing property between the shell 1 and the tube bundle 2 is improved.

The implementation scenario is specifically as follows: the shell-and-tube heat exchanger is composed of five parts, namely a shell 1, a tube bundle 2, a tube box 3, a shell cover 4 and a tube box cover plate 5, hot fluid is lubricating oil in a thin oil station, cold fluid is cooling water generally, the cold fluid and the hot fluid enter the shell-and-tube heat exchanger to exchange heat to cool high-temperature lubricating oil, generally, the lubricating oil goes through a shell pass, the cooling water goes through a tube pass and exchanges heat through the tube bundle, when in use, the sealing between the tube bundle 2 and the shell 1 is very important, aiming at the sealing design between the tube pass and the shell pass, a lamp cage ring 6 is added between the tube bundle 2 and the shell cover 4, the lamp cage ring 6 is used for increasing the sealing performance between the tube bundle 2 and the shell 1, when the lamp cage ring 6 is designed, three observation holes 10 are drilled on the lamp cage ring 6 to drill the lamp cage ring through, if the tube pass and the lamp cage ring 6 are sealed, can observe to have water in observing hole 10 through observing hole 10, if the discovery has the appearance of lubricating oil in observing hole 10, just can know that sealed problem appears between casing 1 and lantern ring 6, so, can more audio-visual discovery problem, need not make a round trip to dismantle and assemble, directly can observe through observing hole 10, reduce the manpower and make a round trip to dismantle the trouble of looking for the problem, adopt lantern ring 6 this kind of mode, greatly increased the sealing between tube bank 2 and the casing 1, only adopt sealed the pad to seal for the tradition, lantern ring 6 increases sealed face atress condition, consolidate tube bank 2, the leakproofness between casing 1 and the lantern ring 6.

As shown in fig. 1 to 4, the present invention provides a shell-and-tube heat exchanger, wherein an oil inlet pipe 11 and an oil outlet pipe 12 are fixedly arranged at the outer end of the shell 1, and an oil outlet 13 is arranged on the oil inlet pipe 11, so that lubricating oil can be introduced into the shell 1 for heat exchange.

The fixed first exhaust pipe 15 that is equipped with in 1 top of casing, 1 bottom mounting of casing is equipped with oil extraction pipe 14, first exhaust pipe 15 are established advancing oil pipe 11, go out between oil pipe 12, utilize first exhaust pipe 15 to discharge unnecessary air in the casing 1, increase thermal transfer efficiency.

The implementation scenario is specifically as follows: in the using process, hot lubricating oil and cooling water are respectively introduced into the shell 1 and the tube bundle 2, and the two transfer heat inside the shell 1, so that the oil inlet pipe 11 and the oil outlet pipe 12 are arranged at the outer end of the shell 1 and are used for guiding the hot lubricating oil into the shell 1 through the oil inlet pipe 11 and then flowing out through the oil outlet pipe 12, the flowing-out lubricating oil completes heat exchange, the temperature is reduced, the oil discharge pipe 14 is used for completely discharging the lubricating oil in the shell 1 during cleaning, and the first air discharge pipe 15 is used for discharging redundant air in the shell 1 during using, so that the lubricating oil is filled in the shell 1.

As shown in fig. 1 to 4, the present invention provides a shell-and-tube heat exchanger, wherein an outlet pipe 17 and an inlet pipe 16 are fixedly arranged at the rear side of the tube box 3, the inlet pipe 16 is arranged at the bottom of the outlet pipe 17, and cooling water flows into and out of the tube bundle 2 from the inlet pipe 16, so as to exchange and transfer heat.

And a second exhaust pipe 19 and a first exhaust pipe 18 are respectively fixedly arranged at the top end and the bottom end of the tube box 3, so that redundant air in the tube box 3 is exhausted, and the heat transfer efficiency is improved.

And a third exhaust pipe 20 and a second drain pipe 21 are respectively fixedly arranged at the top end and the bottom end of the shell cover 4, so that redundant air in the shell cover 4 is discharged, and the heat transfer efficiency is improved.

The implementation scenario is specifically as follows: the water inlet pipe 16 and the water outlet pipe 17 are respectively used for leading cooling water into and out of the pipe bundle 2, so that the cooling water absorbs heat of lubricating oil when passing through the inside of the shell 1, heat exchange is completed, the first water outlet pipe 18 at the bottom end of the pipe bundle 3 and the second water outlet pipe 21 at the bottom end of the shell cover 4 are used for discharging residual water in the pipe bundle 2, the pipe bundle 3 and the shell cover 4, the second air outlet pipe 19 and the third air outlet pipe 20 are used for removing air in the pipe bundle 2, the pipe bundle 3 and the shell cover 4, and the effect of the air on heat absorption efficiency of the cooling water is avoided.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Shell and tube heat exchanger, including casing (1), its characterized in that: casing (1) one end is equipped with pipe case (3), casing (1) other end is equipped with cap (4), casing (1) inside is equipped with tube bank (2), tube bank (2) both ends are connected with pipe case (3) and cap (4) respectively, the junction of tube bank (2) and cap (4) is equipped with lantern ring (6), three observation hole (10) have been seted up on lantern ring (6), observation hole (10) run through lantern ring (6).

2. A shell and tube heat exchanger according to claim 1, characterized in that: two sealing rings (7) are arranged on the lantern ring (6).

3. A shell and tube heat exchanger according to claim 1, characterized in that: and a pipe box cover plate (5) is arranged at one end of the pipe box (3).

4. A shell and tube heat exchanger according to claim 2, characterized in that: the two ends of the tube box (3) are respectively provided with a second gasket (9), and the second gaskets (9) are respectively arranged at the joint of the tube box (3) and the tube bundle (2) and the tube box cover plate (5).

5. A shell and tube heat exchanger according to claim 1, characterized in that: and a first gasket (8) is arranged at the joint of the shell (1) and the tube bundle (2).

6. A shell and tube heat exchanger according to claim 1, characterized in that: the outer end of the shell (1) is fixedly provided with an oil inlet pipe (11) and an oil outlet pipe (12), and the oil inlet pipe (11) is provided with an oil passing port (13).

7. A shell and tube heat exchanger according to claim 6, characterized in that: casing (1) top is fixed and is equipped with first blast pipe (15), casing (1) bottom mounting is equipped with oil extraction pipe (14), first blast pipe (15) are established advancing oil pipe (11), go out between oil pipe (12).

8. A shell and tube heat exchanger according to claim 1, characterized in that: a water outlet pipe (17) and a water inlet pipe (16) are fixedly arranged on the rear side of the pipe box (3), and the water inlet pipe (16) is arranged at the bottom of the water outlet pipe (17).

9. A shell and tube heat exchanger according to claim 1, characterized in that: and a second exhaust pipe (19) and a first exhaust pipe (18) are respectively fixedly arranged at the top end and the bottom end of the pipe box (3).

10. A shell and tube heat exchanger according to claim 1, characterized in that: and the top end and the bottom end of the shell cover (4) are respectively and fixedly provided with a third exhaust pipe (20) and a second drain pipe (21).