Arc-shaped heat exchanger with flow guide structure
By introducing a flow-guiding structure, including a support rod and a flow-guiding spiral plate, into the arc-shaped heat exchanger, the problem of uneven fluid distribution is solved, the heat exchange efficiency of the heat exchanger is improved, and uniform contact and full heat exchange between the fluid and the heat exchange surface are achieved.
Patent Information
- Application Number
- CN202423051702.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Traditional shell-and-tube heat exchangers lack effective flow guiding mechanisms, resulting in uneven fluid distribution. In some areas, the flow velocity is too high, leading to insufficient heat exchange and reducing the effective heat transfer area.
Introducing flow guiding structures, including support rods and flow guiding spiral plates, into the arc-shaped heat exchanger ensures that the hot fluid is evenly distributed within the heat exchange tube bundle, and optimizes the fluid path through the design of the support plate and the collecting pipe.
The effective heat transfer area of the heat exchange tube bundle is increased, the heat exchange efficiency is enhanced, the fluid is ensured to be in full contact with the heat exchange surface, and the overall heat exchange effect is improved.
Smart Images

Figure CN223525628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to heat exchanger technical field, and specifically refers to an arc heat exchanger with flow guide structure. BACKGROUND
[0002] In modern industrial production, energy consumption is huge, and heat exchange process widely exists in each link, in some processes needing to heat or cool round objects (such as pipeline, cylinder, etc.), arc heat exchanger needs to be used, and arc surface can make fluid contact with heat exchange surface more fully, prolongs the flow path and residence time of fluid in the heat exchanger, thereby increasing the opportunity of heat transfer and improving heat exchange effect.
[0003] Traditional shell-and-tube heat exchanger does not set effective flow guide mechanism when fluid enters, leading to uneven distribution of fluid in the heat exchanger, thereby causing regional fluid flow speed to be too fast, heat exchange to be insufficient, and fluid stagnation phenomenon to occur in other areas, reducing the effective heat transfer area of the whole heat exchanger. UTILITY MODEL CONTENT
[0004] In order to solve the problem of not setting effective flow guide mechanism when fluid enters the traditional shell-and-tube heat exchanger, the utility model provides an arc heat exchanger with flow guide structure.
[0005] In order to realize the above functions, the utility model adopts the following technical scheme: an arc heat exchanger with flow guide structure, comprising an arc heat exchange shell and a heat exchange tube bundle, a support plate is horizontally arranged in the arc heat exchange shell, the heat exchange tube bundle is vertically arranged on the support plate, a horizontal extension distribution pipe is arranged on the upper part of the support plate, the top end of the heat exchange tube bundle is connected and communicated with the distribution pipe, a horizontal extension collection pipe is arranged in the arc heat exchange shell, the bottom end of the heat exchange tube bundle is connected and communicated with the collection pipe, and a flow guide mechanism is arranged in the heat exchange tube bundle.
[0006] As a preferred technical scheme of the utility model, the flow guide mechanism comprises a support rod and a flow guide spiral plate, the support rod is fixedly arranged in the heat exchange tube bundle and longitudinally distributed, and the flow guide spiral plate is spirally arranged around the support rod and arranged in the heat exchange tube bundle.
[0007] As a preferred technical scheme of the utility model, a hot material inlet pipe is arranged on one side of the arc heat exchange shell and communicated with the inside of the arc heat exchange shell, a hot material outlet pipe is arranged on the other side of the arc heat exchange shell and communicated with the inside of the arc heat exchange shell, one end of the hot material inlet pipe is connected with the end part of the distribution pipe, and one end of the hot material outlet pipe is connected with the end part of the collection pipe.
[0008] As a preferred technical scheme of the utility model, the arc-shaped heat exchange shell is provided with an inlet cold material pipe penetrating one side of the arc-shaped heat exchange shell and communicating with the interior of the arc-shaped heat exchange shell.
[0009] As a preferred technical scheme of the utility model, the bottom end surface of the arc-shaped heat exchange shell is inclined downward from left to right, the arc-shaped heat exchange shell is provided with an outlet liquid pipe communicating with the interior of the arc-shaped heat exchange shell, and the outlet liquid pipe is arranged at the right end of the arc-shaped heat exchange shell.
[0010] As a preferred technical scheme of the utility model, the bottom wall of the arc-shaped heat exchange shell is uniformly provided with support columns.
[0011] As a preferred technical scheme of the utility model, the support plate is arc-shaped and extends from the left side to the right side of the arc-shaped heat exchange shell and is fixed to the arc-shaped heat exchange shell through the peripheral part.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows: through the arrangement of the flow guide mechanism, the hot fluid enters the heat exchange pipe bundle, fully contacts the surface of the heat exchange pipe bundle through the flow guide spiral plate, the hot fluid is evenly distributed in the heat exchange pipe bundle, the effective heat transfer area of the heat exchange pipe bundle is improved, and the heat exchange efficiency of the whole heat exchanger is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model provides a kind of overall structure schematic of arc-shaped heat exchanger with flow guide structure Figure 1 ;
[0014] Figure 2 The utility model provides a kind of overall structure schematic of arc-shaped heat exchanger with flow guide structure Figure 2 ;
[0015] Figure 3 It is a sectional view of the utility model to propose a kind of arc-shaped heat exchanger with flow guide structure;
[0016] Figure 4 It is a partial structure schematic of the utility model to propose a kind of arc-shaped heat exchanger with flow guide structure;
[0017] Figure 5 It is Figure 4 Local enlarged view in A.
[0018] 1, arc-shaped heat exchange shell, 2, heat exchange pipe bundle, 3, support plate, 4, distribution pipe, 5, material collecting pipe, 6, flow guide mechanism, 7, support rod, 8, flow guide spiral plate, 9, inlet hot material pipe, 10, outlet hot material pipe, 11, inlet cold material pipe, 12, outlet cold material pipe, 13, outlet liquid pipe, 14, support column. DETAILED DESCRIPTION
[0019] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. The present application will be further described in detail below in connection with the drawings.
[0021] As shown in Figures 1-5 The present application provides an arc-shaped heat exchanger with a flow guide structure, which comprises an arc-shaped heat exchange shell 1 and a heat exchange tube bundle 2. The arc-shaped heat exchange shell 1 is uniformly provided with a support 14 on the bottom wall, which facilitates providing a stable support for the arc-shaped heat exchanger. A support plate 3 is horizontally arranged in the arc-shaped heat exchange shell 1. The support plate 3 is arc-shaped and extends from the left side to the right side of the arc-shaped heat exchange shell 1, and is fixedly connected to the arc-shaped heat exchange shell 1 through the peripheral part thereof. The heat exchange tube bundle 2 is vertically arranged on the support plate 3. A horizontal extension distribution pipe 4 is arranged on the upper part of the support plate 3. The top end of the heat exchange tube bundle 2 is connected to and communicated with the distribution pipe 4. A horizontal extension collection pipe 5 is arranged in the arc-shaped heat exchange shell 1. The bottom end of the heat exchange tube bundle 2 is connected to and communicated with the collection pipe 5. A flow guide mechanism 6 is arranged in the heat exchange tube bundle 2. A hot material inlet pipe 9 is arranged on one side of the arc-shaped heat exchange shell 1 and communicates with the inside of the arc-shaped heat exchange shell 1. A hot material outlet pipe 10 is arranged on the other side of the arc-shaped heat exchange shell 1 and communicates with the inside of the arc-shaped heat exchange shell 1. The end of the hot material inlet pipe 9 is connected to the distribution pipe 4. The end of the hot material outlet pipe 10 is connected to the collection pipe 5. The hot fluid is conveyed into the heat exchange tube bundle 2 through the distribution pipe 4. The flow guide mechanism 6 in the heat exchange tube bundle 2 uniformly distributes the hot fluid around each heat exchange tube, so that each heat exchange tube can fully participate in the heat exchange process, thereby improving the heat exchange efficiency of the entire heat exchanger.
[0022] As shown in Figure 4 and 5As shown, the flow guide mechanism 6 comprises support rods 7 and flow guide spiral plates 8, the support rods 7 are fixedly arranged in the heat exchange tube bundle 2 and longitudinally distributed, the flow guide spiral plates 8 are arranged in a spiral around the support rods 7 and in the heat exchange tube bundle 2, when the hot fluid enters the heat exchange tube bundle 2, it contacts the surface of the heat exchange tube bundle 2 through the flow guide spiral plates 8, so that the hot fluid is evenly distributed in the heat exchange tube bundle 2, the effective heat transfer area of the heat exchange tube bundle 2 is improved, and the heat exchange efficiency of the whole heat exchanger is improved.
[0023] As shown in Figure 1 and 4 shown, the arc-shaped heat exchange shell 1 is provided with an inlet cold material pipe 11 penetrating the inside thereof at one side, and an outlet cold material pipe 12 penetrating the inside thereof at the other side, the refrigerant is transported into the arc-shaped heat exchange shell 1 through the inlet cold material pipe 11, and after being fully contacted and heat-exchanged with the outer side wall of the heat exchange tube bundle 2, is output through the outlet cold material pipe 12, so that the refrigerant is fully contacted and heat-exchanged with the heat exchange tube bundle 2.
[0024] As shown in Figures 1-4 shown, the bottom end surface of the arc-shaped heat exchange shell 1 is inclined downward from left to right, the arc-shaped heat exchange shell 1 is provided with a liquid outlet pipe 13 penetrating the inside thereof, and the liquid outlet pipe 13 is located at the right side of the arc-shaped heat exchange shell 1, so as to discharge the refrigerant remaining in the arc-shaped heat exchange shell 1 after heat exchange is completed, and the inlet hot material pipe 9, the outlet hot material pipe 10, the inlet cold material pipe 11, the outlet cold material pipe 12 and the liquid outlet pipe 13 are all provided with stop valves.
[0025] In specific use, the hot fluid is transported into the distribution pipe 4 through the inlet hot material pipe 9, and then flows into the heat exchange tube bundle 2, and is collected into the collection pipe 5 through the flow guide of the flow guide spiral plates 8, and then is output through the outlet hot material pipe 10, in the process of the heat exchanger, the refrigerant is transported into the arc-shaped heat exchange shell 1 through the inlet cold material pipe 11, and after being fully contacted and heat-exchanged with the outer side wall of the heat exchange tube bundle 2, is output through the outlet cold material pipe 12, when the heat exchange is completed, the liquid outlet pipe 13 is opened, and the refrigerant remaining in the arc-shaped heat exchange shell 1 is discharged from the arc-shaped heat exchange shell 1.
[0026] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments are designed without creativity, which should all belong to the protection scope of the present application.
Claims
1. An arc-shaped heat exchanger with a flow guiding structure, comprising an arc-shaped heat exchanger housing (1) and a heat exchanger tube bundle (2), characterized in that: The arc-shaped heat exchange shell (1) is internally provided with a support plate (3) horizontally arranged, the heat exchange tube bundle (2) is vertically arranged on the support plate (3), the support plate (3) is provided with a horizontally extending distribution pipe (4) at the upper portion, the top end of the heat exchange tube bundle (2) is connected to and communicated with the distribution pipe (4), the arc-shaped heat exchange shell (1) is internally provided with a horizontally extending collecting pipe (5), the bottom end of the heat exchange tube bundle (2) is connected to and communicated with the collecting pipe (5), and the heat exchange tube bundle (2) is internally provided with a flow guide mechanism (6).
2. The curved heat exchanger with flow guiding structure according to claim 1, characterized in that The flow guide mechanism (6) comprises a supporting rod (7) and a flow guide spiral plate (8), the supporting rod (7) is fixedly arranged in the heat exchange tube bundle (2) and longitudinally distributed, and the flow guide spiral plate (8) is spirally arranged around the supporting rod (7) and arranged in the heat exchange tube bundle (2).
3. The curved heat exchanger with flow guiding structure according to claim 1, characterized in that: One side of the arc-shaped heat exchange shell (1) is provided with a hot material inlet pipe (9) communicated with the inside of the arc-shaped heat exchange shell (1), the other side of the arc-shaped heat exchange shell (1) is provided with a hot material outlet pipe (10) communicated with the inside of the arc-shaped heat exchange shell (1), one end of the hot material inlet pipe (9) is connected to the end of the distribution pipe (4), and one end of the hot material outlet pipe (10) is connected to the end of the collecting pipe (5).
4. The curved heat exchanger with flow guiding structure according to claim 3, characterized in that One side of the arc-shaped heat exchange shell (1) is provided with a cold material inlet pipe (11) communicated with the inside of the arc-shaped heat exchange shell (1), the other side of the arc-shaped heat exchange shell (1) is provided with a cold material outlet pipe (12) communicated with the inside of the arc-shaped heat exchange shell (1).
5. The curved heat exchanger with flow guiding structure according to claim 4, characterized in that The bottom end surface of the arc-shaped heat exchange shell (1) is inclined downward from left to right, the arc-shaped heat exchange shell (1) is provided with a liquid outlet pipe (13) communicated with the inside of the arc-shaped heat exchange shell (1), and the liquid outlet pipe (13) is located at the right side of the inclined portion of the arc-shaped heat exchange shell (1).
6. The curved heat exchanger with flow guiding structure according to claim 5, characterized in that The bottom wall of the arc-shaped heat exchange shell (1) is uniformly provided with a support column (14).
7. The curved heat exchanger with flow guiding structure according to any one of claims 1 to 6, characterized in that: The support plate (3) is arc-shaped, extends from the left side to the right side of the arc-shaped heat exchange shell (1), and is fixedly connected to the arc-shaped heat exchange shell (1) through the peripheral portion.