CN220793953U - Coiled pipe heat exchanger with outer shell - Google Patents
Coiled pipe heat exchanger with outer shell Download PDFInfo
- Publication number
- CN220793953U CN220793953U CN202322216434.2U CN202322216434U CN220793953U CN 220793953 U CN220793953 U CN 220793953U CN 202322216434 U CN202322216434 U CN 202322216434U CN 220793953 U CN220793953 U CN 220793953U
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- pipe
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- coiled
- inlet
- semicircular
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- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003313 weakening effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a coiled pipe heat exchanger with an outer shell, which comprises an outer cylinder, a cylinder upper end socket and a plurality of groups of coiled pipes, wherein the cylinder upper end socket is in sealing connection with the cylinder; the inlet main pipe is communicated with the center of the semicircular inlet pipe by means of the equal-diameter tee joint. The utility model solves the problem that the external pipeline is complex due to the parallel use of a plurality of serpentine pipes, ensures that the flow velocity in each serpentine pipe is basically consistent, ensures the heat exchange effect, reduces the number of openings of the seal head, and reduces the weakening of the strength of the seal head by a plurality of openings.
Description
Technical Field
The utility model belongs to the field of chemical equipment design, relates to a serpentine heat exchanger with an outer shell, and particularly relates to an inlet and outlet structure for parallel connection of a plurality of serpentine heat exchangers with outer shells.
Background
The existing coiled tube heat exchangers with outer shells mostly adopt independent inlet and outlet connecting tubes to be connected with the outer shells, and sometimes because of heat exchange effect and process requirements, the inlet and outlet are required to be arranged on the sealing heads, namely, the inlet and outlet connecting tube of each coiled tube is independently welded with the upper sealing head of the outer shell, and especially for more than three coiled tube heat exchangers which are sleeved together in parallel, more holes are formed in the sealing heads, and the schematic diagrams are shown in fig. 5 and 6. Because of the more in and out connection pipes, the outer pipeline is complex, and especially for the upper end socket of the container, other connected equipment is not convenient for the end socket to have excessive openings. To solve this problem, structural considerations are required.
Disclosure of Invention
The utility model provides the coiled pipe heat exchanger with the outer shell, which not only can meet the use requirement, but also can reduce the number of external pipelines.
The utility model adopts the technical scheme that:
the coil pipe heat exchanger with the outer shell comprises an outer cylinder body, a cylinder body upper end socket and coil pipes, wherein the cylinder body upper end socket is in sealing connection with the cylinder body, the coil pipes are arranged in the outer cylinder body, a plurality of groups of coil pipes are connected in parallel, an inlet main pipe and an outlet main pipe are arranged on the cylinder body upper end socket, the central lines of the inlet pipes of the plurality of groups of coil pipes are positioned on the same central circle and are not more than half of the central circle, and the central lines of the outlet pipes of the plurality of groups of coil pipes are positioned on the same central circle and are not more than half of the central circle; the inlet main pipe is communicated with the center of a semicircular inlet pipe by means of an equal-diameter tee joint, the semicircular inlet pipe is provided with a plurality of outlets, and the outlets of the semicircular inlet pipe are communicated with a serpentine pipe inlet pipe; the outlet main pipe is communicated with the center of a semicircular outlet pipe by means of an equal-diameter tee joint, the semicircular outlet pipe is provided with a plurality of inlets, and the inlets of the semicircular outlet pipe are communicated with a serpentine pipe outlet pipe.
Further, the semicircular inlet pipe and the semicircular outlet pipe are respectively fixed on the upper seal head of the cylinder body by virtue of the supporting frame.
Further, the center circles at the heights of the inlet pipes of the plurality of groups of the coiled pipes are at the same height as the center circles at the heights of the outlet pipes of the plurality of groups of the coiled pipes, and the radiuses of the two center circles are the same or different.
Further, the diameters of the inlet main pipe, the outlet main pipe, the semicircular annular inlet pipe and the semicircular annular outlet pipe are the same.
Further, the cross-sectional area of the inlet manifold is not smaller than the area of the sum of the cross-sectional areas of the plurality of groups of serpentine tubes.
Further, the outlet diameter of the semicircular inlet pipe is 4mm larger than the outer diameter of the serpentine pipe.
Further, pipe caps are welded at two ends of the semicircular inlet pipe and the semicircular outlet pipe to form a closed annular pipe.
The beneficial effects obtained by the utility model are as follows:
1. the structure type solves the problem that a plurality of coiled pipes are connected in parallel to cause the complexity of an external pipeline;
2. the optimized annular tube design ensures that the flow velocity in each serpentine tube is basically consistent, and ensures the heat exchange effect;
3. the number of the openings of the end socket is reduced, and the strength of the end socket is reduced by a plurality of openings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the top view of the inside of the upper end enclosure of the cylinder;
FIG. 3 is a schematic diagram of the inlet and outlet header pipes and the semicircular inlet and outlet header pipes;
FIG. 4 is a top view of the inlet manifold and the semi-circular inlet manifold of the present utility model;
FIG. 5 is a schematic diagram of a conventional serpentine tube heat exchanger;
FIG. 6 is a top view of the interior of a prior serpentine tube heat exchanger;
wherein, 1-outer cylinder, 2-coiled pipe, 3-cylinder upper seal head, 4-inlet main pipe, 5-outlet main pipe, 6-constant diameter tee, 7-support frame, 8-semicircle ring inlet pipe, 9-semicircle ring outlet pipe.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
As shown in fig. 1 to 4, a coiled pipe heat exchanger with an outer shell comprises an outer cylinder 1, a cylinder upper end socket 3 and a plurality of groups of coiled pipes 2, wherein the groups of coiled pipes 2 are connected in parallel, the cylinder upper end socket 3 is in sealing connection with the outer cylinder 1, the groups of coiled pipes 2 are positioned in the outer cylinder 1, an inlet main pipe 4 and an outlet main pipe 5 are arranged on the cylinder upper end socket 3, the inlet pipe central lines of the groups of coiled pipes 2 are positioned on the same central circle and are not more than half of the central circle, and the outlet pipe central lines of the groups of coiled pipes 2 are positioned on the same central circle and are not more than half of the central circle; the inlet main pipe 4 is communicated with the center of a semicircular annular inlet pipe 8 by means of a constant diameter tee 6, the semicircular annular inlet pipe 8 is provided with a plurality of outlets, and the outlet of the semicircular annular inlet pipe 8 is communicated with the inlet pipe of the serpentine pipe 2; the outlet main pipe 5 is communicated with the center of a semicircular annular outlet pipe 9 by means of a constant diameter tee 6, the semicircular annular outlet pipe 9 is provided with a plurality of inlets, and the inlets of the semicircular annular outlet pipe 9 are communicated with the outlet pipe of the serpentine pipe 2. The semicircular inlet pipe 4 and the semicircular outlet pipe 5 are respectively fixed on the cylinder upper seal head 3 by virtue of a supporting frame 7. In order to save the internal space, the center circles at the inlet pipe heights of the plurality of groups of the serpentine pipes 2 and the center circles at the outlet pipe heights of the plurality of groups of the serpentine pipes 2 are at the same height, and the radiuses of the two center circles are the same or different. The number of the serpentine pipes is not less than 2, and the number of the serpentine pipes is adjusted according to the actual heat exchange area.
The diameters of the inlet header pipe 4, the outlet header pipe 5, the semicircular annular inlet pipe 8 and the semicircular annular outlet pipe 9 are the same. The cross-sectional area of the inlet header 4 is not smaller than the sum of the cross-sectional areas of the plurality of groups of serpentine tubes 2. The outlet diameter of the semicircular inlet pipe 8 is 4mm larger than the outer diameter of the serpentine pipe 2. Caps are welded at the two ends of the semicircular annular outlet pipe 9 of the semicircular annular inlet pipe 8 to form a closed annular pipe.
The specific implementation method comprises the following steps: the medium enters the heat exchanger through an inlet header pipe 4 connected with the upper end socket 3 of the cylinder, enters a semicircular annular inlet pipe 8 above the coiled pipe 2 through a constant diameter tee 6, and the lower part of the semicircular annular inlet pipe 8 is perforated according to the actual position of the inlet pipe of each coiled pipe 2 and is welded with the inlet pipe of the coiled pipe 2. Similarly, the medium passes through a semicircular annular outlet pipe 9, an equal-diameter tee 6 and an outlet main pipe 5 to be discharged out of the heat exchanger.
The inlet header pipe 4 and the outlet header pipe 5 are distributed at the middle positions of the semicircular annular inlet pipe 8 and the semicircular annular outlet pipe 9, so that the uniform flow rate in each coiled pipe 2 is ensured to a greater extent, and the heat exchange effect is ensured, thereby reducing the connection of external complex pipelines.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a coiled pipe heat exchanger of outband casing, includes outer barrel (1), barrel head (3) and coiled pipe (2), barrel head (3) and outer barrel (1) sealing connection, coiled pipe (2) are located outer barrel (1), its characterized in that: the plurality of groups of the coiled pipes (2) are connected in parallel, an inlet header pipe (4) and an outlet header pipe (5) are arranged on the upper end socket (3) of the barrel, the central lines of the inlet pipes of the plurality of groups of the coiled pipes (2) are positioned on the same central circle and are not more than half of the central circle, and the central lines of the outlet pipes of the plurality of groups of the coiled pipes (2) are positioned on the same central circle and are not more than half of the central circle; the inlet main pipe (4) is communicated with the center of a semicircular annular inlet pipe (8) by means of a constant diameter tee joint (6), the semicircular annular inlet pipe (8) is provided with a plurality of outlets, and the outlet of the semicircular annular inlet pipe (8) is communicated with the inlet pipe of the coiled pipe (2); the outlet main pipe (5) is communicated with the center of a semicircular annular outlet pipe (9) by means of an equal-diameter tee joint (6), the semicircular annular outlet pipe (9) is provided with a plurality of inlets, and the inlets of the semicircular annular outlet pipe (9) are communicated with the outlet pipe of the coiled pipe (2).
2. A serpentine tube heat exchanger with an outer housing as set forth in claim 1 wherein: the semicircular inlet pipe (8) and the semicircular outlet pipe (9) are respectively fixed on the cylinder upper end socket (3) by virtue of the supporting frame (7).
3. A serpentine tube heat exchanger with an outer housing as set forth in claim 1 wherein: the center circles of the inlet pipe heights of the plurality of groups of the coiled pipes (2) and the center circles of the outlet pipe heights of the plurality of groups of the coiled pipes (2) are at the same height.
4. A serpentine tube heat exchanger with an outer housing as set forth in claim 1 wherein: the diameters of the inlet header pipe (4), the outlet header pipe (5), the semicircular annular inlet pipe (8) and the semicircular annular outlet pipe (9) are the same.
5. A serpentine tube heat exchanger with an outer housing as set forth in claim 4 wherein: the cross-sectional area of the inlet header pipe (4) is not smaller than the area of the sum of the cross-sectional areas of the plurality of groups of coiled pipes (2).
6. A serpentine tube heat exchanger with an outer housing as set forth in claim 5 wherein: the outlet diameter of the semicircular inlet pipe (8) is 4mm larger than the outer diameter of the coiled pipe (2).
7. A serpentine tube heat exchanger with an outer housing as set forth in claim 1 wherein: caps are welded at the two ends of the semicircular inlet pipe (8) and the semicircular outlet pipe (9) to form a closed annular pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216434.2U CN220793953U (en) | 2023-08-17 | 2023-08-17 | Coiled pipe heat exchanger with outer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322216434.2U CN220793953U (en) | 2023-08-17 | 2023-08-17 | Coiled pipe heat exchanger with outer shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220793953U true CN220793953U (en) | 2024-04-16 |
Family
ID=90633963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322216434.2U Active CN220793953U (en) | 2023-08-17 | 2023-08-17 | Coiled pipe heat exchanger with outer shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220793953U (en) |
-
2023
- 2023-08-17 CN CN202322216434.2U patent/CN220793953U/en active Active
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