Coil pipe type heat exchanger

Abstract

The utility model relates to a coil pipe type heat exchanger which comprises a shell, an inlet pipe and an outlet pipe are respectively arranged in the shell, at least one coil pipe group is further arranged in the heat exchanger, the coil pipe groups are sequentially arranged in a stacking mode, and each coil pipe group is formed by connecting two coil pipes. According to the utility model, the elliptical coil pipe is arranged, so that the structure of the traditional coil pipe is changed, the central gap is reduced, and the waste of the heat exchange area is effectively avoided; and meanwhile, the coil pipe group formed by butting the two coil pipes can avoid the possibility of medium circulation short circuit of each layer of coil pipe group, so that the heat exchange efficiency of the coil pipe heat exchanger is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange technical field especially relates to disc pipe heat exchanger. BACKGROUND

[0002] The heat exchanger disc pipe is a kind of pipe structure for transferring heat between two or more fluids, it is realized by the heat exchange of one fluid flowing in disc pipe, while another fluid flows outside or inside disc pipe, this structure makes heat can be efficiently transferred from one fluid to another fluid, to achieve the purpose of heating or cooling.

[0003] Traditional disc pipe heat exchanger, due to disc pipe processing process tooling and other reasons, there is larger space in the center of disc pipe, for heat exchanger, it is easy to make the heat exchange medium outside disc pipe short circuit in the center position, so that the flow capacity of heat exchange medium through disc pipe is less than expected;In addition, since the structure of each coil of disc pipe is the same, after stacking up and down, it forms a whole column shape, and the gap between tubes forms a medium flow short circuit channel, which is insufficient in contact with the flow of heat exchange medium outside the disc pipe, and a considerable part of heat exchange area is wasted, and the final result is that the heat exchange efficiency of the whole heat exchange equipment is low. SUMMARY

[0004] In view of the above-mentioned shortcomings of prior art, the purpose of the utility model is to provide disc pipe heat exchanger to solve one or more problems in prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] Disc pipe heat exchanger, including shell, inlet pipe and outlet pipe are respectively arranged in the shell, the heat exchanger further includes at least one disc pipe group, the disc pipe groups are sequentially stacked, and the disc pipe group is formed by two disc pipes connected with each other.

[0007] Further, the disc pipe is shaped as an ellipse and has a gap in the center region of the disc pipe.

[0008] Further, the disc pipe includes a first port, and the first port is arranged at the gap.

[0009] Further, the two first ports in the disc pipe group are mutually butted.

[0010] Further, the disc pipes in the disc pipe group are arranged at 180° in the first plane.

[0011] Further, the disc pipe further includes a second port, and the second port is communicated with the first port.

[0012] Further, one of the second ports of the coil group is connected to the inlet pipe, and the other second port is connected to the outlet pipe.

[0013] Further, the spaced apart coils coincide with each other in the first direction.

[0014] Compared with the prior art, the beneficial technical effects of the present application are as follows:

[0015] The present application sets the elliptical coil, changes the structure of the traditional coil, reduces the central gap, effectively avoids the waste of heat exchange area; at the same time, the coil group formed by the butt joint of the two coils can avoid the possibility of medium flow short circuit of each layer coil group, and further improve the heat exchange efficiency of the coil heat exchanger. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the coil heat exchanger is shown.

[0017] Figure 2 The structure of the coil heat exchanger is shown.

[0018] Figure 3 The structure of the coil heat exchanger is shown.

[0019] Figure 4 The structure of the coil heat exchanger is shown.

[0020] In the drawings, 1 is a shell, 2 is an inlet pipe, 3 is an outlet pipe, 4 is a coil, 401 is a gap, 402 is a first port, and 403 is a second port. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the coil type heat exchanger provided by the utility model is further described in detail below in combination with the drawings and specific embodiments. The advantages and features of the utility model will be clearer according to the following description. It should be noted that the drawings are very simplified and all use non-precise proportions, and the directions or position relationships indicated by the terms "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "lateral" and the like are based on the directions or position relationships shown in the drawings, and not indicate or imply that the indicated coil type heat exchanger or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model, but only serve the purpose of conveniently and clearly assisting in the description of the utility model embodiments. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the drawings.

[0022] It should be understood that the structures, proportions, sizes and the like shown in the drawings of the present specification are only used to cooperate with the disclosed content for those skilled in the art to understand and read, and are not used to limit the implementation of the utility model, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the disclosed technical content.

[0023] The specific structure of the coil type heat exchanger is described below:

[0024] Please refer to Figures 1 to 4 , the heat exchanger with high heat exchange efficiency of the embodiment comprises a shell 1, an inlet pipe 2 and an outlet pipe 3 are arranged in the shell 1 respectively, and at least one group of coil groups are further arranged in the heat exchanger.

[0025] Further, a group of the coil groups is formed by two coils 4 connected to each other, the coil 4 is shaped as an ellipse and a gap 401 greatly reduced compared with the traditional structure is arranged at the central area of the coil 4, that is, the internal space utilization rate of the heat exchanger is increased, thereby reducing the overall size of the equipment with the same heat exchange efficiency and improving the heat exchange efficiency.

[0026] Further, the coil 4 comprises a first port 402 arranged at the gap 401, the coils 4 in the coil group are arranged at 180° to each other in a first plane, and the two first ports 402 in the coil group can be butted against each other. Preferably, in the embodiment, the first plane is a horizontal plane parallel to the inner diameter of the shell 1 as shown in Figure 1 .

[0027] Further, the coil 4 further comprises a second port 403, which is communicated with the first port 402. One of the second ports 403 of the coil group is connected with the inlet pipe 2, and the other of the second ports 403 is connected with the outlet pipe 3.

[0028] Further, as shown in Figure 4 the coil 4 arranged at intervals are coincided with each other along a first direction, and the first direction is perpendicular to the first plane, and the edges of the coil 4 are arranged at intervals and are flush with each other. This structure can greatly avoid the possibility of short circuit of medium flow between the coil groups of each layer. Figure 3

[0029] The specific working process of the coil heat exchanger according to the embodiments of the present application is described as follows:

[0030] The fluid flows into the inlet pipe 2, and then flows into the coil 4 through the second port 403 connected with the inlet pipe 2, and then flows out to the outlet pipe 3 through the second port 403 of the other coil 4. In the process of flowing through the coil 4, the fluid exchanges heat with another fluid in the shell 1 to heat or cool the fluid in the coil 4.

[0031] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application. The above-mentioned embodiments only express several implementation ways of the present application, and the description is more specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.​

Claims

1. A coil heat exchanger comprising a housing, wherein an inlet pipe and an outlet pipe are respectively arranged in the housing, characterized in that: The heat exchanger further includes at least one coil group, which is stacked in sequence and formed by two coils connected to each other.

2. The coil heat exchanger according to claim 1, wherein: The coil is formed into an elliptical shape and a gap is provided in the central area of ​​the coil.

3. The coil heat exchanger according to claim 2, wherein: The coil includes a first port disposed at the gap.

4. The coil heat exchanger according to claim 3, wherein: The two first ports in the coil group are connected to each other.

5. The coil heat exchanger according to claim 4, characterized in that: The coils in the coil group are arranged at 180° to each other in a first plane.

6. The coil heat exchanger according to claim 5, characterized in that: The coil further includes a second port connected to the first port.

7. The coil heat exchanger according to claim 6, characterized in that: One of the second ports in the coil group is connected to the inlet pipe, and another of the second ports is connected to the outlet pipe.

8. The coil heat exchanger according to claim 7, characterized in that: The coils arranged at intervals overlap with each other along the first direction.

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