CN217818264U

CN217818264U - Spiral tube type heat exchanger

Info

Publication number: CN217818264U
Application number: CN202221725622.7U
Authority: CN
Inventors: 王海森
Original assignee: Hangzhou Jialong Air Equipment Co ltd
Current assignee: Hangzhou Jialong Air Equipment Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a spiral tube type heat exchanger, which comprises a shell, wherein a spiral heat exchange tube is arranged in the shell, the spiral heat exchange tube is arranged along the height direction of the shell, the upper end of the spiral heat exchange tube is connected with a tube pass inlet tube, one end of the tube pass inlet tube, which is far away from the spiral heat exchange tube, extends out of the shell, the lower end of the spiral heat exchange tube is connected with a tube pass outlet tube, one end of the tube pass outlet tube, which is far away from the spiral heat exchange tube, extends out of the shell, and the top and the bottom of the shell are respectively communicated with a shell pass outlet tube and a shell pass inlet tube; the outer wall of the spiral heat exchange tube is fixedly connected with a plurality of heat exchange fins, and the heat insulation cotton is arranged, so that a good heat insulation effect can be achieved, and the heat loss caused by heat exchange in the shell is prevented, so that the heat exchange efficiency is poor; the soundproof cotton can play a good soundproof effect, and greatly reduces the noise generated by the flowing of the fluid during the heat exchange inside the shell.

Description

Spiral tube type heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field, specifically speaking relates to a spiral tube heat exchanger.

Background

The heat exchanger is made by arranging one or more groups of heat exchange tubes in a shell, when the heat exchanger is used, hot fluid flows into the heat exchange tubes, cold fluid flows into the shell, and the cold fluid is contacted with the heat exchange tubes to realize heat exchange. However, the heat exchange tube used at present can be set into a spiral shape in order to increase the contact area between the heat exchange tube and a cold fluid, but the situation that the contact area is not enough still exists, and the existing heat exchanger shell is of a single-layer structure, so that the heat preservation effect is relatively poor, and therefore the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral tubular heat exchanger to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a spiral tube type heat exchanger comprises a shell, wherein a spiral heat exchange tube is arranged in the shell, the spiral heat exchange tube is arranged along the height direction of the shell, the upper end of the spiral heat exchange tube is connected with a tube side inlet tube, one end, far away from the spiral heat exchange tube, of the tube side inlet tube extends out of the shell, the lower end of the spiral heat exchange tube is connected with a tube side outlet tube, one end, far away from the spiral heat exchange tube, of the tube side outlet tube extends out of the shell, and the top and the bottom of the shell are respectively communicated with a shell side outlet tube and a shell side inlet tube; the spiral heat exchange tube is characterized in that the outer wall of the spiral heat exchange tube is fixedly connected with a plurality of heat exchange fins, the inner wall of the shell is rotatably connected with a rotating cap, and the rotating cap is fixedly connected with a plurality of rotating rods.

Preferably, a plurality of grooves are formed in both sides of the heat exchange fins.

Preferably, the inner wall of the shell is fixedly connected with a convex column, and the rotating cap is rotatably arranged on the convex column.

Preferably, the shell comprises an outer shell and an inner shell, a cavity is formed between the outer shell and the inner shell, and a filling layer is arranged in the cavity.

Preferably, the filling layer comprises heat preservation cotton and soundproof cotton, and the heat preservation cotton is fixedly connected with the soundproof cotton.

Preferably, the inner wall of the inner shell is coated with an anticorrosive coating.

Compared with the prior art, the beneficial effects of the utility model are that:

at first, the spiral heat exchange tube sets up, can increase the flow of hot-fluid in the heat exchange tube, has also increased the area of contact of heat exchange tube and cold fluid, makes the cold fluid can be more abundant carry out the heat transfer, sets up heat transfer fin at the outer wall of spiral heat exchange tube in addition, has further increased the area of contact of spiral heat exchange tube with the cold fluid, has further strengthened heat transfer effect.

Secondly, the shell is arranged into a double-layer structure, a cavity is formed between the outer shell and the inner shell, heat insulation cotton and sound insulation cotton are arranged in the cavity, and the heat insulation cotton can play a good heat insulation effect and prevent heat loss in the shell during heat exchange to cause poor heat exchange efficiency; the soundproof cotton can play a good soundproof effect, and greatly reduces the noise generated by the flowing of the fluid during the heat exchange inside the shell.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the present invention.

Fig. 3 is a schematic structural diagram of the middle filling layer of the present invention.

Fig. 4 is a schematic structural diagram of the middle heat exchange fin of the present invention.

Fig. 5 is an assembly diagram of the middle convex column and the rotating cap of the present invention.

The meaning of the reference symbols in the figures is: 1. a housing; 10. an outer housing; 11. an inner housing; 12. a shell side inlet pipe; 13. a shell pass outlet pipe; 2. a filling layer; 20. heat preservation cotton; 21. sound insulation cotton; 30. a spiral heat exchange tube; 31. feeding the tube by a tube pass; 32. a pipe is discharged through the pipe pass; 33. heat exchange fins; 330. a groove; 40. a convex column; 41. rotating the cap; 42. a rotating rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a technical scheme:

a spiral tube type heat exchanger, please refer to FIGS. 1-2, includes a shell 1, a spiral heat exchange tube 30 is disposed in the shell 1, the spiral heat exchange tube 30 is disposed along a height direction of the shell 1, an upper end of the spiral heat exchange tube 30 is connected with a tube pass inlet tube 31, one end of the tube pass inlet tube 31 far away from the spiral heat exchange tube 30 extends out of the shell 1, a lower end of the spiral heat exchange tube 30 is connected with a tube pass outlet tube 32, one end of the tube pass outlet tube 32 far away from the spiral heat exchange tube 30 extends out of the shell 1, a thermal fluid is introduced into the spiral heat exchange tube 30 from the tube pass inlet tube 31 and moves downwards in the spiral heat exchange tube 30 to the tube pass outlet tube 32; the top of the shell 1 is communicated with a shell side outlet pipe 13, the bottom of the shell 1 is communicated with a shell side inlet pipe 12, cold fluid flows into the shell 1 from the shell side inlet pipe 12 to contact with the spiral heat exchange pipe 30 for heat exchange, and finally flows out of the shell 1 from the shell side outlet pipe 13, hot fluid in the spiral heat exchange pipe 30 flows downwards, the cold fluid in the shell 1 flows upwards, and the two fluids cross, so that the heat exchanger has a high heat transfer coefficient and a good heat exchange effect.

The shell 1 of the utility model comprises an outer shell 10 and an inner shell 11, a cavity is formed between the outer shell 10 and the inner shell 11, and a filling layer 2 is arranged in the cavity; shell side exit tube 13 passes outer casing 10 and interior casing 11 and communicates with interior casing 11, shell side exit tube 13 and outer casing 10 and the equal fixed connection of interior casing 11, shell side advances pipe 12 and passes outer casing 10 and interior casing 11 and communicates with interior casing 11, shell side advances pipe 12 and the equal fixed connection of outer casing 10 and interior casing 11, pipe side advances pipe 31 and passes interior casing 11 and interior casing 11, pipe side advances pipe 31 and the equal fixed connection of outer casing 10 and interior casing 11, pipe side exit tube 32 passes interior casing 11 and interior casing 11, pipe side exit tube 32 and outer casing 10 and the equal fixed connection of interior casing 11.

Referring to fig. 2-3, the filling layer 2 includes thermal insulation cotton 20 and sound insulation cotton 21, the thermal insulation cotton 20 is fixedly connected with the sound insulation cotton 21, specifically, the thermal insulation cotton 20 is fixedly bonded with the sound insulation cotton 21, the thermal insulation cotton 20 is close to one side of the inner shell 11, the sound insulation cotton 21 is close to one side of the outer shell 10, and the thermal insulation cotton 20 is arranged, so that a good thermal insulation effect can be achieved, and the heat loss caused by heat loss during heat exchange inside the shell 1 is prevented from causing poor heat exchange efficiency; the soundproof cotton 21 has a good soundproof effect, and greatly reduces noise generated by the flow of fluid during heat exchange inside the housing 1.

In order to prevent the inner wall of the inner housing 11 from being corroded by the fluid, the inner wall of the inner housing 11 is coated with an anticorrosive coating, which can effectively prevent the inner wall of the inner housing 11 from being corroded by the fluid.

In order to increase the contact area between the cold fluid and the spiral heat exchange tube 30, a plurality of heat exchange fins 33 are fixedly connected to the outer wall of the spiral heat exchange tube 30, and the contact area between the spiral heat exchange tube 30 and the cold fluid is increased due to the arrangement of the heat exchange fins 33, so that the heat exchange effect can be enhanced.

Referring to fig. 4, a plurality of grooves 330 are formed on both sides of the heat exchanging fin 33, and the arrangement of the grooves 330 can further increase the contact area between the heat exchanging fin 33 and the cold fluid, thereby further enhancing the heat exchanging effect.

Referring to fig. 5, a convex column 40 is fixedly connected to an inner wall of the housing 1, a rotating cap 41 is rotatably mounted on the convex column 40, the convex column 40 and the rotating cap 41 are horizontally arranged, and a plurality of rotating rods 42 are fixedly connected to the rotating cap 41; when the cold fluid flows upwards in the shell 1, when the cold fluid flows to the position of the rotating cap 41, the rotating cap 41 is easily driven to rotate, and if the rotating cap 41 is driven to rotate by the cold fluid, the rotating rod 42 can stir and break up the cold fluid, so that the cold fluid can be more fully contacted with the spiral heat exchange tube 30, and the heat exchange efficiency is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A spiral tube heat exchanger comprising a housing (1), characterized in that: the heat exchanger is characterized in that a spiral heat exchange tube (30) is arranged in the shell (1), the spiral heat exchange tube (30) is arranged along the height direction of the shell (1), the upper end of the spiral heat exchange tube (30) is connected with a tube pass inlet tube (31), one end, far away from the spiral heat exchange tube (30), of the tube pass inlet tube (31) extends out of the shell (1), the lower end of the spiral heat exchange tube (30) is connected with a tube pass outlet tube (32), one end, far away from the spiral heat exchange tube (30), of the tube pass outlet tube (32) extends out of the shell (1), and the top and the bottom of the shell (1) are respectively communicated with a shell pass outlet tube (13) and a shell pass inlet tube (12); the outer wall of the spiral heat exchange tube (30) is fixedly connected with a plurality of heat exchange fins (33), the inner wall of the shell (1) is rotatably connected with a rotating cap (41), and the rotating cap (41) is fixedly connected with a plurality of rotating rods (42).

2. A spiral tube heat exchanger as recited in claim 1 wherein: a plurality of grooves (330) are formed in the two sides of each heat exchange fin (33).

3. A spiral tube heat exchanger as recited in claim 1 wherein: the inner wall of the shell (1) is fixedly connected with a convex column (40), and a rotating cap (41) is rotatably arranged on the convex column (40).

4. A spiral tube heat exchanger as recited in claim 1 wherein: the shell (1) comprises an outer shell (10) and an inner shell (11), a cavity is formed between the outer shell (10) and the inner shell (11), and a filling layer (2) is arranged in the cavity.

5. A spiral tube heat exchanger as claimed in claim 4, wherein: the filling layer (2) comprises heat insulation cotton (20) and sound insulation cotton (21), and the heat insulation cotton (20) is fixedly connected with the sound insulation cotton (21).

6. A spiral tube heat exchanger as claimed in claim 4, wherein: the inner wall of the inner shell (11) is coated with an anticorrosive coating.