CN212006837U - Double-sided high-rib fin tube type heat exchanger - Google Patents
Double-sided high-rib fin tube type heat exchanger Download PDFInfo
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- CN212006837U CN212006837U CN202020378299.5U CN202020378299U CN212006837U CN 212006837 U CN212006837 U CN 212006837U CN 202020378299 U CN202020378299 U CN 202020378299U CN 212006837 U CN212006837 U CN 212006837U
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- shell
- baffle
- seal head
- cavity
- side wall
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Abstract
The utility model discloses a double-sided high-rib finned tube heat exchanger, which comprises a shell, a first seal head, a second seal head, a plurality of finned tubes, a first clapboard, a second clapboard and a baffle plate, 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, the baffle plate is fixedly arranged at the shell, two ends of the first clapboard are respectively fixedly connected with the first seal head and the baffle plate, the second clapboard is fixedly arranged at the baffle plate, the upper ends of the finned tubes are fixedly arranged at the baffle plate and are communicated with a first upper cavity, the lower ends of the finned tubes are fixedly arranged at the baffle plate and are communicated with a second lower cavity, the outer side wall and the inner side wall of the finned tube are respectively provided with, the second spiral fin also has the effects of turbulent flow and reduction of stress concentration when the cooling liquid flows.
Description
Technical Field
The utility model relates to a heat exchange equipment field specifically is a two-sided high-finned 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 tubular heat exchanger has simple structure and freely increased and decreased heat transfer area, and is a concentric sleeve 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 prior finned tube is mainly used for manufacturing a heat exchange device, is widely applied to heat exchange and waste heat recovery sections in petrochemical industry and electric power industry, and is one of very important chemical equipment.
However, the heat exchange efficiency of the existing tubular heat exchanger is difficult to be improved, the structure of the finned tube is single, the heat exchange area is increased, and the heat transfer efficiency of the finned tube still has a space for improvement.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a two-sided high-rib fin tubular heat exchanger to thereby solve the problem that the heat exchange efficiency of the tubular heat exchanger mentioned above is not high, the single structure of finned tube influences heat exchange efficiency.
To achieve the above object, the present invention provides a double-sided high-fin tube heat exchanger, comprising:
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 one end 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 baffle is fixedly arranged at one end, close to the first seal head, of the shell, and forms a first cavity with the first seal head and a second cavity with the shell respectively; the second baffle is fixedly arranged on the baffle and divides the second cavity into a second upper cavity and a second lower cavity which are mutually isolated; the finned tube is bent and molded and is of a hollow tubular structure, one end of the finned tube is fixedly installed on the baffle and communicated with the first upper cavity, the other end of the finned tube is fixedly installed on the baffle and communicated with the second lower cavity, and a first helical fin and a second helical fin are formed on the outer side wall and the inner side wall of the finned tube respectively.
The utility model provides a pair of two-sided high-rib fin tubular heat exchanger has following beneficial effect: the finned tube is bent and molded, the upper end opening of the finned tube is communicated with the first upper cavity, the lower end opening of the finned tube is communicated with the first lower cavity, so that a complete tube pass is formed, compared with a straight tube with the same length, the time of flowing of cooling liquid in the tube is prolonged, and the effect of sufficient heat exchange is achieved; the first baffle plate and the second baffle plate are arranged in a staggered mode, so that the shell pass of high-temperature liquid is increased, the indirect contact time of the high-temperature liquid and cooling liquid is longer, and the heat exchange efficiency is better.
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 double-sided high-fin tube heat exchanger provided by the present invention;
FIG. 2 is a schematic structural view of an embodiment of the finned tube of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the finned tube.
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 double-sided high-rib finned tube heat exchanger provided by the present invention, fig. 2 is a schematic structural diagram of an embodiment of a middle finned tube of the present invention, and fig. 3 is a schematic sectional diagram of an embodiment of a finned tube. The double-sided high-rib finned tube type heat exchanger comprises a shell 1, a first seal head 2, a second seal head 3, a plurality of finned tubes 4, a first clapboard 51, a second clapboard 52 and a baffle 6, 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 on the side wall of the left end of the shell 1 near the upper end and the lower end, a first seal head 2 and a second seal head 3 are respectively arranged 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 baffle 6 is fixedly arranged at the left end of the shell 1, so as to form a first cavity 21 with the first end enclosure 2 and a second cavity 11 with the shell 1 respectively, namely, the first seal head 2 and the baffle 6 form a first cavity 21 at the left side, and the baffle 6, the shell 1 and the second seal head 3 form a second cavity 11 at the right side; the left end of the first clapboard 51 is fixedly connected with the first seal head 2, and the right end is fixedly connected with the baffle 6, so as to further divide the first cavity 21 into a first upper cavity 211 and a first lower cavity 212 which are isolated from each other; the left end of the second partition plate 52 is fixedly arranged on the baffle 6, and the second cavity 11 is divided into a second upper cavity 111 and a second lower cavity 112 which are isolated from each other; the finned tube 4 is bent and formed and has a hollow tubular structure so as to enable cooling liquid to circulate, the finned tube 4 is preferably a U-shaped tube, the upper end of the finned tube 4 is fixedly mounted on the baffle 6 and communicated with the first upper cavity 211, the lower end of the finned tube 4 is fixedly mounted on the baffle 6 and communicated with the second lower cavity 212, and the outer side wall and the inner side wall of the finned tube 4 are respectively provided with a first spiral fin 41 and a second spiral fin 42.
Preferably, the double-sided high-fin tubular heat exchanger further includes a plurality of first baffles 71 and a plurality of second baffles 72, at least one first baffle 71 of the plurality of first baffles 71 and at least one second baffle 72 of the plurality of second baffles 72 are installed inside the second upper cavity 111 in an interlaced manner and spaced apart from each other, the other first baffles 71 and the other second baffles 72 are installed inside the second lower cavity 112 in an interlaced manner and spaced apart from each other, one end of each first baffle 71 abuts against the inner sidewall of the casing 1 and forms a first gap with the second baffle 52, one end of each second baffle 72 abuts against the second baffle 52 and forms a second gap with the inner sidewall of the casing 1, so that the high-temperature liquid inputted from the first liquid inlet end a1 sequentially passes through the first gap and the second gap inside the second upper cavity 111, and flows into the second lower cavity 112 under the action of gravity, and sequentially passes through the second notch and the first notch inside the second lower cavity 112, and finally, the high-temperature liquid is discharged at the first liquid outlet end b1, and it should be noted that the high-temperature liquid flowing in this process and the cooling liquid flowing in the finned tubes 4 complete heat exchange.
It should be noted that, because part of the outer side wall of the finned tube 4 passes through the first baffle plate 71 and the second baffle plate 72, the U-shaped finned tube 4 is additionally supported, and thus more stable fixation is achieved.
Preferably, the outer side wall of the finned tube 4 is formed with a first light area 43 near the upper end and the lower end thereof so that the ends of the finned tube 4 are fixedly mounted on the baffle 6, and the outer side wall of the finned tube 4 is formed with a plurality of second light areas 44 near the middle thereof, and the second light areas 44 are respectively fitted with a first baffle plate 71 and a second baffle plate 72 so that the finned tube 4 is lapped on the first baffle plate 71 and the second baffle plate 72.
Preferably, the first spiral fin 41 has a direction opposite to the direction of the high-temperature liquid input from the first liquid inlet end a1, so as to better disturb the high-temperature liquid flowing in the flow, thereby improving the heat exchange efficiency with the cooling liquid flowing in the finned tube 4.
Preferably, the diameter of the spirals of the first spiral fins 41 is larger than the diameter of the second spiral fins 42 and the gaps between the first spiral fins 41 are larger than the gaps between the second spiral fins 42 so that a large number of the second spiral fins 42 disturb the coolant flowing through the inside of the fin tube 4 because the inner diameter of the fin tube 4 is restricted and the second spiral fins 42 provided on the inner side wall of the fin tube 4 do not obstruct the flow of the coolant.
In specific implementation, cooling liquid is input at the second liquid inlet end a2, the cooling liquid flows through the first upper cavity 211 and then enters the upper end opening of the finned tube 4, the cooling liquid entering the finned tube 4 enters the first lower cavity 212 after completing a whole tube pass, and the cooling liquid is discharged at the second liquid outlet end b 2; inputting high-temperature liquid into the second upper cavity 111 at the first liquid inlet end a1, wherein the high-temperature liquid sequentially passes through the first notch and the second notch in the second upper cavity 111, then flows into the second lower cavity 112, sequentially passes through the second notch and the first notch, and then is discharged at the first liquid outlet end b1 to form a complete shell pass; in the flowing process of the cooling liquid and the high-temperature liquid, the heat exchange process is realized.
The utility model provides a double-sided high-rib finned tube heat exchanger, which comprises a shell, a first seal head, a second seal head, a plurality of finned tubes, a first clapboard, a second clapboard and a baffle plate, wherein the shell is of a hollow tubular structure, a first liquid inlet end and a first liquid outlet end are respectively formed at the positions, close to the upper end and the lower end, of the side wall of the shell, the first seal head and the second seal head are respectively arranged at the two ends of the shell, a second liquid inlet end and a second liquid outlet end are respectively formed at the side wall of the first seal head, the second liquid inlet end and the second liquid outlet end are oppositely arranged, the baffle plate is fixedly arranged at the left end of the shell, so as to respectively form a first cavity with the first seal head and form a second cavity with the shell, the left end of the first clapboard is fixedly connected with the first seal head, the right end is fixedly connected with the baffle plate, and divides the first cavity into a first upper cavity and a first lower cavity which are, the second cavity is divided into a second upper cavity and a second lower cavity which are isolated from each other, the upper end of the finned tube is fixedly arranged on the baffle and is communicated with the first upper cavity, the lower end of the finned tube is fixedly arranged on the baffle and is communicated with the second lower cavity to form a complete shell pass, compared with a straight tube with the same length, the finned tube formed by bending prolongs the flowing time of cooling liquid in the tube and achieves the effect of full heat exchange, the outer side wall and the inner side wall of the finned tube are respectively provided with a first helical fin and a second helical fin, the second helical fin can achieve turbulence and reduce the phenomenon of stress concentration when the cooling liquid flows while the heat exchange area of the finned tube is increased, and the pressure bearing capacity of the finned tube is improved; the first baffle plate and the second baffle plate are arranged in a staggered manner, so that the shell pass of high-temperature liquid is increased, and the indirect contact time of the high-temperature liquid and cooling liquid is longer; the rotation direction of the first spiral fin is opposite to the flowing direction of the high-temperature liquid, and the high-temperature liquid is stirred.
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 double-sided high-fin tube heat exchanger, comprising:
the finned tube comprises a shell, a first seal head, a second seal head, a baffle, a first clapboard, a second clapboard and a plurality of finned tubes;
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 baffle is fixedly arranged at one end, close to the first seal head, of the shell, and forms a first cavity with the first seal head and a second cavity with the shell respectively; the second baffle is fixedly arranged on the baffle and divides the second cavity into a second upper cavity and a second lower cavity which are mutually isolated; the finned tube is bent and molded and is of a hollow tubular structure, one end of the finned tube is fixedly installed on the baffle and communicated with the first upper cavity, the other end of the finned tube is fixedly installed on the baffle and communicated with the second lower cavity, and a first helical fin and a second helical fin are formed on the outer side wall and the inner side wall of the finned tube respectively.
2. The double-sided high-fin tube heat exchanger of claim 1, wherein: the double-sided high-rib fin tube type heat exchanger further comprises a plurality of first baffle plates and a plurality of second baffle plates, at least one of the first baffle plates and at least one of the second baffle plates are arranged in the second upper cavity in a staggered mode and spaced mode, the other first baffle plates and the other second baffle plates are arranged in the second lower cavity in a staggered mode and spaced mode, one end of each first baffle plate is abutted to the inner side wall of the shell and forms a first gap with the second baffle plate, and one end of each second baffle plate is abutted to the second baffle plate and forms a second gap with the inner side wall of the shell.
3. The double-sided high-fin tube heat exchanger of claim 2, wherein: the outer side walls of the two end portions of the finned tube are respectively provided with a first light tube area, the outer side walls of the finned tube are provided with a second light tube area close to the middle, and the second light tube areas are respectively matched with the first baffle plate and the second baffle plate.
4. The double-sided high-fin tube heat exchanger of claim 1, wherein: the rotation direction of the first spiral fin is opposite to the flow direction of the liquid input from the first liquid inlet end.
5. The double-sided high-fin tube heat exchanger of claim 1, wherein: the spiral diameter of the first spiral fins is larger than that of the second spiral fins, and the gaps among the first spiral fins are larger than those among the second spiral fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020378299.5U CN212006837U (en) | 2020-03-23 | 2020-03-23 | Double-sided high-rib fin tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020378299.5U CN212006837U (en) | 2020-03-23 | 2020-03-23 | Double-sided high-rib fin tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212006837U true CN212006837U (en) | 2020-11-24 |
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ID=73431554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020378299.5U Expired - Fee Related CN212006837U (en) | 2020-03-23 | 2020-03-23 | Double-sided high-rib fin tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212006837U (en) |
-
2020
- 2020-03-23 CN CN202020378299.5U patent/CN212006837U/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 |