CN212870854U

CN212870854U - Novel filler heat exchanger

Info

Publication number: CN212870854U
Application number: CN202021780946.1U
Authority: CN
Inventors: 杨正群
Original assignee: Suzhou Baiaoke Biotechnology Co ltd
Current assignee: Suzhou Baiaoke Biotechnology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-02
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a novel filler heat exchanger, which comprises a cylinder body; the two ends of the cylinder are provided with an end enclosure and a pipe box; a heat exchange tube bundle is arranged in the cylinder; the outer side of the heat exchange tube bundle is provided with a baffle plate; the heat exchange tube bundle penetrates through the baffle plate, and the baffle plate is provided with a through hole relative to each heat exchange tube; a lantern ring is arranged in each through hole; a filling layer is arranged between the via hole and the lantern ring; and the shell pass and the tube pass feeding port of the tube box are sealed by a packing box. The utility model discloses establish the cover intra-annular with the heat exchange tube cover, set up the lantern ring through the filling layer again in the mistake, when the heat exchange tube is heated the inflation, the lantern ring can be along with common inflation, and the lantern ring filling layer all around then can slow down the stress that the heat exchange tube brought, avoids the heat exchange tube to take place the damage. Meanwhile, the tube plate can be slidably connected in the ferrule, and a corresponding moving space can be provided for expansion with heat and contraction with cold. The service life of the heat exchange tube is prolonged, and the replacement frequency is reduced.

Description

Novel filler heat exchanger

Technical Field

The utility model relates to a heat exchanger, concretely relates to novel filler heat exchanger belongs to chemical industry equipment technical field.

Background

The shell and tube heat exchanger is a very common industrial production device in various industries relating to heat exchange of two fluids, such as chemical industry, metallurgy, medicine, electric power, heat energy and the like. The flow behavior of the tube-side fluid and the shell-side fluid in the tube-type heat exchanger has an important influence on the heat transfer rate of the tube-type heat exchanger. The tubular heat exchangers operated in the current industrial production basically all have cold and hot fluids respectively flowing on two sides of a tubular and exchange heat through the tubular wall. In order to improve the heat transfer rate of the tubular heat exchanger and increase the production strength of the tubular heat exchanger, a great deal of time and energy are invested for research and research, and the flowing state of cold and hot fluid inside and outside the tubular heat exchanger is improved to a certain extent by methods of additionally arranging fins on the inner surface and the outer surface of the tubular heat exchanger, additionally arranging baffle plates in the tubular heat exchanger and the like, so that the heat transfer rate is improved, and a certain effect is achieved. However, the baffle plate is easy to cause vortex excitation and turbulence buffeting in the shell-and-tube heat exchanger, so that the heat exchange tube and the baffle plate are worn or fatigue damaged in the cylinder; in addition, under the condition of thermal expansion and cold contraction, the size of the heat exchange tube is easy to change, the baffle plate is always in rigid contact with the heat exchange tube, and the heat exchange tube is easy to break after being in contact with the baffle plate under the action of thermal expansion and cold contraction. Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing a novel filler heat exchanger, difficult wearing and tearing, life-span are prolonged, and simple structure is reasonable, and the suitability is strong.

In order to achieve the purpose, the utility model relates to a novel filler heat exchanger, which comprises a cylinder body; the two ends of the cylinder are provided with an end enclosure and a pipe box; a heat exchange tube bundle is arranged in the cylinder; the outer side of the heat exchange tube bundle is provided with a baffle plate; the heat exchange tube bundle penetrates through the baffle plate, and the baffle plate is provided with a through hole relative to each heat exchange tube; a lantern ring is arranged in each through hole; a filling layer is arranged between the via hole and the lantern ring; and the shell pass and the tube pass feeding port of the tube box are sealed by a packing box.

Preferably, the collar is made of a flexible material; the filling layer is made of sponge material; and a reset elastic piece is arranged in the filling layer.

Preferably, the return elastic element is a compression spring; a water stopping layer is arranged on the surface of the filling layer; the heat exchange tube penetrates through the lantern ring.

Preferably, the waterproof layer is an organ curtain; the water stop layer is arranged along the circumferential direction of the lantern ring.

Preferably, the tube box is provided with a ferrule relative to the heat exchange tube bundle; the end part of the tube bundle is provided with a tube plate; the packing seals are located between the ferrules and the tube sheets.

Preferably, the inner side of the ferrule is provided with a ring groove; the filler sealed by the filler box is arranged in the ring groove; and a skirt plate is arranged on the outer side of the tube plate relative to the ring groove.

Preferably, a moving groove is arranged in the ring groove; the two sides of the moving groove are provided with a filling area; the apron board is clamped in the moving groove.

Preferably, the width of the moving groove is larger than that of the apron plate; the apron board moves along the axial direction of the ferrule in the moving groove.

The utility model discloses establish the cover intra-annular with the heat exchange tube cover, set up the lantern ring through the filling layer again in the mistake, when the heat exchange tube is heated the inflation, the lantern ring can be along with common inflation, and the lantern ring filling layer all around then can slow down the stress that the heat exchange tube brought, avoids the heat exchange tube to take place the damage. Meanwhile, the tube plate can be slidably connected in the ferrule, and a corresponding moving space can be provided for expansion with heat and contraction with cold. The service life of the heat exchange tube is prolonged, and the replacement frequency is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a heat exchange tube bundle.

Fig. 3 is a schematic cross-sectional view of a via.

FIG. 4 is a schematic cross-sectional view of the tube sheet and ferrule.

In the figure, 1 is a cylinder, 2 is an end socket, 3 is a pipe box, 4 is a baffle plate, 5 is a heat exchange pipe, 6 is a through hole, 7 is a lantern ring, 8 is a filling layer, 9 is an elastic resetting piece, 10 is a water stopping layer, 11 is a lantern ring, 11.1 is an annular groove, 11.2 is a moving groove, and 12 is a pipe plate.

Detailed Description

The technical solution 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 obviously, the described embodiments are only a part of the 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 all belong to the protection scope of the present invention.

Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.

Referring to fig. 1-4, a novel packed heat exchanger comprises a cylinder 1; the two ends of the cylinder body 1 are provided with an end enclosure 2 and a pipe box 3; a heat exchange tube bundle is arranged in the cylinder body 1; a baffle plate 4 is arranged on the outer side of the heat exchange tube bundle; the heat exchange tube bundle penetrates through the baffle plate 4, and a through hole 6 is formed in the baffle plate 4 relative to each heat exchange tube 5; a lantern ring 7 is arranged in each through hole 6; a filling layer 8 is arranged between the via hole 6 and the lantern ring 7; and the shell pass and the tube pass feeding port of the tube box 3 are sealed by a packing box.

Further, the collar 7 is made of a flexible material; the filling layer 8 is made of sponge material; and a resetting elastic part 9 is arranged in the filling layer 8.

In this embodiment, the lantern ring 7 can be made of a flexible graphite ring, an asbestos ring or carbon fiber, and has the characteristics of corrosion resistance, high temperature resistance and flexibility, when the heat exchange tube is heated and expanded, the lantern ring 7 can be expanded together with the heat exchange tube, and the filling layer and the reset elastic piece 9 on the outer side of the lantern ring 7 can offset partial stress, so that the risk of damage to the heat exchange tube is reduced.

Furthermore, the return elastic element 9 is a compression spring; a water stopping layer 10 is arranged on the surface of the filling layer 8; the heat exchange tube 5 penetrates through the lantern ring.

Further, the water stopping layer 10 is an organ curtain; the water stop layer 10 is arranged along the circumferential direction of the lantern ring 7.

In the present embodiment, the water stop layer 10 may vary with the heat exchange pipe.

Furthermore, the tube box 3 is provided with a ferrule 11 opposite to the heat exchange tube bundle; the tube plate 12 is arranged at the end part of the tube bundle; the packing seals are located between the ferrule 11 and the tubesheet 12.

Further, a ring groove 11.1 is formed in the inner side of the ferrule 11; the filler sealed by the filler function is arranged in the ring groove 11.1; and the apron plate 12.1 is arranged on the outer side of the tube plate 12 opposite to the ring groove.

Furthermore, a moving groove 11.2 is arranged in the ring groove 11.1; the two sides of the moving groove 11.2 are provided with a filling area; the apron board is clamped in the movable groove 11.2

Further, the width of the moving groove is larger than that of the apron board; the apron board moves along the axial direction of the ferrule in the moving groove.

Specifically, in this embodiment, the width of skirting board is less than the width of tube sheet, and when the skirting board slided in the shifting chute, the upper and lower side of tube sheet was always with the gland packing contact, and only skirting board can slide, can guarantee like this that the tube side medium can not enter into in the shell side. Thus, even after the fluid in the shell side enters the moving groove, the fluid can also flow into the tube side feeding opening.

Finally, the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalent solutions without departing from the spirit and scope of the present invention, which should be covered by the claims of the present invention.

Claims

1. A novel filler heat exchanger comprises a cylinder body; the two ends of the cylinder are provided with an end enclosure and a pipe box; a heat exchange tube bundle is arranged in the cylinder; the outer side of the heat exchange tube bundle is provided with a baffle plate; the heat exchange tube bundle penetrates through the baffle plate, and is characterized in that: the baffle plate is provided with a through hole corresponding to each heat exchange tube; a lantern ring is arranged in each through hole; a filling layer is arranged between the via hole and the lantern ring; and the shell pass and the tube pass feeding port of the tube box are sealed by a packing box.

2. The novel packed heat exchanger of claim 1, wherein: the lantern ring is made of flexible materials; the filling layer is made of sponge material; and a reset elastic piece is arranged in the filling layer.

3. The novel packed heat exchanger of claim 2, wherein: the reset elastic piece is a compression spring; a water stopping layer is arranged on the surface of the filling layer; the heat exchange tube penetrates through the lantern ring.

4. The novel packed heat exchanger of claim 3, wherein: the waterproof layer is an organ curtain; the water stop layer is arranged along the circumferential direction of the lantern ring.

5. The novel packed heat exchanger of claim 1, wherein: the tube box is provided with a ferrule relative to the heat exchange tube bundle; the end part of the tube bundle is provided with a tube plate; the packing seals are located between the ferrules and the tube sheets.

6. The novel packed heat exchanger of claim 5, wherein: a ring groove is formed in the inner side of the ferrule; the filler sealed by the filler box is arranged in the ring groove; and a skirt plate is arranged on the outer side of the tube plate relative to the ring groove.

7. The novel packed heat exchanger of claim 6, wherein: a moving groove is arranged in the ring groove; the two sides of the moving groove are provided with a filling area; the apron board is clamped in the moving groove.

8. The novel packed heat exchanger of claim 7, wherein: the width of the moving groove is larger than that of the apron board; the apron board moves along the axial direction of the ferrule in the moving groove.