CN212006848U - Corrugated tube heat exchanger - Google Patents
Corrugated tube heat exchanger Download PDFInfo
- Publication number
- CN212006848U CN212006848U CN202020378279.8U CN202020378279U CN212006848U CN 212006848 U CN212006848 U CN 212006848U CN 202020378279 U CN202020378279 U CN 202020378279U CN 212006848 U CN212006848 U CN 212006848U
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- cavity
- shell
- baffle
- baffle plate
- side wall
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Abstract
The utility model discloses a corrugated tube heat exchanger, which comprises a shell, a first end socket, a second end socket, a plurality of corrugated tubes, a baffle, a first baffle and a second baffle, wherein the shell is of a hollow tubular structure, the side wall of the shell is provided with a first liquid inlet end and a first liquid outlet end, the first end socket and the second end socket are respectively arranged at two ends of the shell, the side wall of the first end socket is respectively provided with a second liquid inlet end and a second liquid outlet end, the first baffle is fixedly arranged at the inner wall at the left end of the shell, the second baffle is fixedly arranged at the inner wall at the right end of the shell, the baffle separates the first cavity into a first upper cavity and a first lower cavity, two ends of the corrugated tubes are respectively and fixedly arranged at the first baffle and the second baffle, the inner side wall of the corrugated tubes is provided with annular folding strips, the arrangement of the annular folding strips ensures that cooling liquid flowing in the corrugated tubes is disturbed, thereby generating turbulent flow and improving the heat exchange efficiency of the corrugated tubes, and the bending direction of the first folding strip is opposite to the flowing direction of the cooling liquid, so that the turbulent flow effect is enhanced, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to a heat exchange equipment field specifically is a corrugated tube heat exchanger.
Background
A heat exchanger is a device that transfers thermal energy from a high temperature fluid to a lower temperature fluid, thereby cooling the high temperature fluid and heating the low temperature fluid. The double-pipe heat exchanger has simple structure and freely increased and decreased heat transfer area, and is a concentric double-pipe formed by connecting two standard pipes with different pipe diameters, wherein the outer part is called a shell pass, and the inner part is called a pipe pass; the two different media can flow in the shell side and the tube side in the opposite directions (or in the same direction) to achieve the effect of heat exchange. The corrugated pipe is used as a heat exchange pipe and is widely applied to a heat exchanger, the surface area of the raised corrugated pipe is increased, heat exchange is enhanced, and on the other hand, the laminar flow state which is not beneficial to heat transfer can be destroyed by the raised corrugated pipe, so that heat transfer and scale deposit reduction are facilitated, and the heat exchange efficiency is improved.
However, the heat exchange efficiency of the conventional corrugated tube heat exchanger is difficult to be improved, the corrugated tube has a single structure, the flow state of fluid is changed by the blocking effect of the tube walls close to the corrugated tubes on the fluid, the flow state is single, and the heat transfer efficiency is not high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a corrugated tube heat exchanger to the heat exchange efficiency who solves the corrugated tube heat exchanger mentioned above is not high, and thereby the problem that the heat exchange efficiency of the whole heat exchanger that the structure of corrugated tube is comparatively single leads to is low.
To achieve the above object, the present invention provides a corrugated tube heat exchanger, including:
the device comprises a shell, a first seal head, a second seal head, a first baffle, a second baffle, a partition plate and a plurality of corrugated pipes;
the shell is of a hollow tubular structure, a first liquid inlet end and a first liquid outlet end are respectively formed on the side wall of the shell close to the upper end and the lower end, the first seal head and the second seal head are respectively detachably mounted at the two ends of the shell, a second liquid inlet end and a second liquid outlet end are respectively formed on the side wall of the first seal head, and the second liquid inlet end and the second liquid outlet end are oppositely arranged; the first baffle is fixedly arranged at one end, close to the first seal head, of the shell, and a first cavity is formed between the first baffle and the first seal head; the baffle plate is fixedly arranged in the first cavity and divides the first cavity into a first upper cavity and a first lower cavity which are mutually isolated; each the both ends of bellows are fixed mounting respectively in first baffle with the second baffle, it is a plurality of the bellows is set to at least one the bellows intercommunication first go up the cavity with the second cavity, and other the bellows intercommunication first cavity with the second cavity, each a plurality of annular folding strips are installed to the inside wall of bellows, a plurality of first folding strips and a plurality of second folding strips that the annular folding strip set up including crisscross and interval each other, first folding strip with the direction of buckling of second folding strip is opposite.
The utility model provides a pair of corrugated tube heat exchanger has following beneficial effect: the two ends of at least one corrugated pipe are simultaneously communicated with the first upper cavity and the second cavity, and the two ends of other corrugated pipes are simultaneously communicated with the first lower cavity and the second cavity, so that cooling liquid sequentially passes through the corrugated pipe at the upper end, the second cavity, the corrugated pipe at the lower end and the first lower cavity after being input into the first upper cavity at a second liquid inlet end and is discharged at a second liquid outlet end to form a complete cooling path so as to exchange heat with high-temperature liquid flowing inside the shell, and the arrangement of the first folding strip and the second folding strip in the corrugated pipe enhances the turbulence of the cooling liquid and the heat exchange efficiency between the cooling liquid and the high-temperature liquid; the first baffle plate and the second baffle plate are arranged at intervals to increase the stroke of the high-temperature liquid, so that the contact time of the high-temperature liquid and the cooling liquid is longer; the arrangement of the compensation ring reduces the thermal stress between the shell and the node tube due to different temperature difference and different thermal expansion degrees.
Drawings
The accompanying drawings, which are described herein to provide a further understanding of the invention and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention without forming an undue limitation to the invention, in which:
fig. 1 is a schematic structural diagram of an embodiment of a corrugated tube heat exchanger provided in the present invention;
FIG. 2 is a schematic structural view of an embodiment of a medium wave node pipe according to the present invention;
FIG. 3 is an enlarged view of a portion of one embodiment of area A of FIG. 1.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1-3, fig. 1 is a schematic structural diagram of an embodiment of a corrugated tube heat exchanger provided in the present invention, fig. 2 is a schematic structural diagram of an embodiment of a medium corrugated tube of the present invention, and fig. 3 is a partially enlarged view of an embodiment of a region a in fig. 1. The corrugated tube heat exchanger comprises a shell 1, a first seal head 2, a second seal head 3, a plurality of corrugated tubes 4, a partition plate 5, a first baffle plate 61 and a second baffle plate 62, wherein the shell 1 is of a hollow tubular structure, a first liquid inlet end a1 and a first liquid outlet end b1 are respectively formed at the positions, close to the upper end and the lower end, of the side wall of the shell 1, the first seal head 2 and the second seal head 3 are respectively detachably mounted at the left end and the right end of the shell 1, a second liquid inlet end a2 and a second liquid outlet end b2 are respectively formed on the side wall of the first seal head 2, the second liquid inlet end a2 and the second liquid outlet end b2 are oppositely arranged, the first baffle plate 61 is vertically and fixedly mounted on the inner side wall at the left end of the shell 1 and forms a first cavity 21 with the first seal head 2, the second baffle plate 62 is vertically and fixedly mounted on the inner side wall at the right end of the shell 1 and forms a second cavity 31 with the second seal head 3, the partition plate 5 is horizontally, the left end and the right end of the partition plate 5 are respectively and fixedly connected with the right inner wall of the first seal head 2 and the left inner wall of the first baffle 61, so that the first cavity 21 is separated to form a first upper cavity 211 and a first lower cavity 212 which are mutually isolated; the left end and the right end of each node pipe 4 are respectively fixedly installed on the first baffle plate 61 and the second baffle plate 62, that is, the two ends of each node pipe 4 respectively penetrate through the first baffle plate 61 and the second baffle plate 62, furthermore, the left end of at least one node pipe 4 among the plurality of node pipes 4 is communicated with the first upper cavity 211, the right end is communicated with the second cavity 31, the left ends of the other node pipes 4 are communicated with the first lower cavity 212, and the right ends are communicated with the second cavity 31, therefore, the cooling liquid flowing in from the second liquid inlet end a2 firstly enters the first upper cavity 211, flows in from the upper node pipe 4 to the second cavity 31, and flows out, because the first liquid inlet end a1 flows in high-temperature liquid, the temperature of the cooling liquid in the node pipe 4 at the upper end of the cooling process rises, and flows into the lower node pipe 4 placed in the second cavity 31 under the gravity of the cooling liquid, and the cooling process further rises the temperature of the cooling liquid and then flows into the first lower cavity 212, and is discharged from the second liquid outlet end b2, and heat exchange is realized between the cooling liquid and the high-temperature liquid; a plurality of annular folding strips 43 are installed to the inner wall of nodal pipe 4, annular folding strip 43 includes that a plurality of first folding strips 431 and a plurality of second fold strip 432, first folding strip 431 and second fold strip 432 crisscross each other and the interval sets up, first folding strip 431 is opposite with the bending direction of second folding strip 432, so that the coolant liquid that flows in nodal pipe 4 obtains the disturbance, and then produce the turbulent flow, improve nodal pipe 4's heat exchange efficiency, and first folding strip 431's bending direction is opposite with the flow direction of coolant liquid, in the reinforcing vortex effect, there is certain speed reduction effect, make the coolant liquid longer with the time of high temperature liquid contact.
Preferably, the corrugated tube heat exchanger further comprises at least one first baffle plate 71 and at least one second baffle plate 72, wherein the first baffle plate 71 and the second baffle plate 72 are both arranged inside the shell 1 and are both located between the first liquid inlet end a1 and the first liquid outlet end b1, the first baffle plate 71 and the second baffle plate 72 are staggered and arranged at intervals, the upper end of the first baffle plate 71 is abutted and fixed to the position, close to the upper end, of the inner side wall of the shell 1, the lower end of the first baffle plate is abutted and fixed to the position, close to the lower end, of the inner side wall of the shell 1, the upper end of the second baffle plate 72 is abutted and fixed to the position, close to the lower end, of the inner side wall of the shell 1, the upper end of the inner side wall of the shell 1 is formed with a second notch, so as to separate the interior of the shell 1 into different areas, and the high-temperature liquid flowing in, the flowing distance of the high-temperature liquid is prolonged, and then the heat exchange time between the high-temperature liquid and the cooling pipe is prolonged, so that the heat exchange effect is better.
Preferably, the number of the first and second baffle plates 71 and 72 is two, the number of the nodal tubes 4 is four, the number of the four nodal tubes 4 simultaneously communicated with the first upper cavity 211 and the second cavity 31 is two, and the number of the four nodal tubes 4 simultaneously communicated with the first lower cavity 212 and the second cavity 31 is two.
Preferably, an elastic compensation ring 11 is installed on the side wall of the housing 1, the compensation ring 11 is in a convex arch shape, and the inner side of the compensation ring 11 is communicated with the inside of the housing 1 to reduce thermal stress (stress generated due to the difference between the temperature of the cooling liquid in the node pipe 4 and the high-temperature liquid circulating in the housing 1 and the difference between the thermal expansion coefficients of the housing 1 and the node pipe 4).
Preferably, the node tube 4 includes a plurality of serially connected nodes 41, each node 41 is in an arc shape, a third cavity 42 is formed inside each node 41, each node 41 has a peak, a valley is formed between every two serially connected nodes 41, and the upper ends of the first folding strip 431 and the second folding strip 432 are both fixedly installed at the position, close to the peak, of the inner side wall of each node 41.
In specific implementation, after the high-temperature liquid flows into the interior of the housing 1 at the first liquid inlet end a1, the high-temperature liquid flows in different areas in the housing 1 under the obstruction of the first baffle plate 71 and the second baffle plate 72, and flows out at the first liquid outlet end b 1; the cooling liquid flows into the first upper cavity 211 at the second liquid inlet end a2, flows into the second cavity 31 after passing through the upper node pipe 4, then flows into the lower node pipe 4, and then flows into the second lower cavity 212, and is discharged at the second liquid outlet end b 2; in the process, the high-temperature liquid is indirectly contacted with the cooling liquid, so that the heat exchange between the high-temperature liquid and the cooling liquid is realized.
The utility model provides a corrugated tube heat exchanger, which comprises a shell, a first seal head, a second seal head, a plurality of corrugated tubes, a baffle, a first baffle and a second baffle, wherein the shell is of a hollow tubular structure, the side wall of the shell is respectively provided with a first liquid inlet end and a first liquid outlet end, the first seal head and the second seal head are respectively arranged at two ends of the shell, the side wall of the first seal head is respectively provided with a second liquid inlet end and a second liquid outlet end which are opposite, the first baffle is fixedly arranged at the inner wall at the left end of the shell to form a first cavity, the second baffle is fixedly arranged at the inner wall at the right end of the shell to form a second cavity, the baffle is fixedly arranged in the first cavity and separates the first cavity into a first upper cavity and a first lower cavity which are mutually isolated, two ends of each corrugated tube are respectively fixedly arranged at the first baffle and the second baffle, in addition, in the plurality of corrugated tubes, the left end of at least one corrugated pipe is communicated with the first upper cavity, the right end of the at least one corrugated pipe is communicated with the second cavity, the left end of the at least one corrugated pipe is communicated with the first lower cavity, the right end of the at least one corrugated pipe is communicated with the second cavity, an annular folding strip is arranged on the inner side wall of the corrugated pipe and comprises a first folding strip and a second folding strip, and the bending directions of the first folding strip and the second folding strip are opposite, so that cooling liquid flowing in the corrugated pipe is disturbed, turbulent flow is generated, the heat exchange efficiency of the corrugated pipe is improved, the bending direction of the first folding strip is opposite to the flowing direction of the cooling liquid, the turbulent flow effect is enhanced, and efficient heat exchange is realized between the cooling liquid flowing in the corrugated pipe and high-temperature liquid flowing in the shell; the first baffle plate and the second baffle plate are arranged at intervals to increase the stroke of the high-temperature liquid, so that the contact time of the high-temperature liquid and the cooling liquid is longer; the arrangement of the compensation ring reduces the thermal stress between the shell and the node tube due to different temperature difference and different thermal expansion degrees.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. A corrugated tube heat exchanger, comprising:
the device comprises a shell, a first seal head, a second seal head, a first baffle, a second baffle, a partition plate and a plurality of corrugated pipes;
the shell is of a hollow tubular structure, a first liquid inlet end and a first liquid outlet end are respectively formed on the side wall of the shell close to the upper end and the lower end, the first seal head and the second seal head are respectively detachably mounted at the two ends of the shell, a second liquid inlet end and a second liquid outlet end are respectively formed on the side wall of the first seal head, and the second liquid inlet end and the second liquid outlet end are oppositely arranged; the first baffle is fixedly arranged at one end, close to the first seal head, of the shell, and a first cavity is formed between the first baffle and the first seal head; the baffle plate is fixedly arranged in the first cavity and divides the first cavity into a first upper cavity and a first lower cavity which are mutually isolated; each the both ends of bellows are fixed mounting respectively in first baffle with the second baffle, it is a plurality of the bellows is set to at least one the bellows intercommunication first go up the cavity with the second cavity, and other the bellows intercommunication first cavity with the second cavity, each a plurality of annular folding strips are installed to the inside wall of bellows, a plurality of first folding strips and a plurality of second folding strips that the annular folding strip set up including crisscross and interval each other, first folding strip with the direction of buckling of second folding strip is opposite.
2. The nodal tube heat exchanger of claim 1, wherein: the corrugated tube heat exchanger further comprises at least one first baffle plate and at least one second baffle plate, the first baffle plate and the second baffle plate are arranged inside the shell, the first baffle plate and the second baffle plate are staggered and arranged at intervals, one end of the first baffle plate is abutted to the position, close to the upper end, of the inner side wall of the shell, the other end of the inner side wall of the shell and the position, close to the lower end, of the inner side wall of the shell form a first notch, and one end of the second baffle plate is abutted to the position, close to the lower end, of the inner side wall of the shell, the other end of the inner side wall of the shell and the position, close to the.
3. The nodal tube heat exchanger of claim 2, wherein: the first baffle plate and the second baffle plate are two in number, the number of the corrugated pipes is four, the number of the four corrugated pipes communicated with the first upper cavity and the second cavity is two, and the number of the four corrugated pipes communicated with the first lower cavity and the second cavity is two.
4. The nodal tube heat exchanger of claim 1, wherein: the lateral wall of casing installs a compensation circle, the compensation circle is the arch of evagination, the inboard of compensation circle with the inside intercommunication of casing.
5. The nodal tube heat exchanger of claim 1, wherein: the node pipe comprises a plurality of serially connected nodes, each node is in an arc shape, a third cavity is formed in the node, each node is provided with a wave crest, a wave trough is formed between every two serially connected nodes, and one end of each first folding strip and one end of each second folding strip are fixedly arranged on the inner side wall of each node and close to the wave crest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020378279.8U CN212006848U (en) | 2020-03-23 | 2020-03-23 | Corrugated tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020378279.8U CN212006848U (en) | 2020-03-23 | 2020-03-23 | Corrugated tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212006848U true CN212006848U (en) | 2020-11-24 |
Family
ID=73431650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020378279.8U Expired - Fee Related CN212006848U (en) | 2020-03-23 | 2020-03-23 | Corrugated tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212006848U (en) |
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2020
- 2020-03-23 CN CN202020378279.8U patent/CN212006848U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |