CN217058443U - Spiral coil heat exchanger - Google Patents
Spiral coil heat exchanger Download PDFInfo
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- CN217058443U CN217058443U CN202123290703.7U CN202123290703U CN217058443U CN 217058443 U CN217058443 U CN 217058443U CN 202123290703 U CN202123290703 U CN 202123290703U CN 217058443 U CN217058443 U CN 217058443U
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Abstract
The utility model discloses a spiral coil heat exchanger, including a hollow shell, its inside is provided with: the water inlet vertical pipe is vertically arranged, the bottom end of the water inlet vertical pipe is a hot fluid inlet, and the top end of the water inlet vertical pipe is sealed; n water outlet vertical pipes, wherein n is more than or equal to 2, the water outlet vertical pipes are vertically arranged and uniformly distributed on an annular trajectory line taking the water inlet vertical pipe as the center; the top ends of the hot fluid outlets are all hot fluid outlets, and the bottom ends of the hot fluid outlets are all sealed; the spiral coil pipes are arranged in parallel along the axial direction of the water inlet vertical pipe; each group of spiral coil pipes comprises n coil pipes, and outlets of the n coil pipes are communicated to the n water outlet vertical pipes in a one-to-one correspondence manner; wherein, the water inlet vertical pipe is used for leading hot fluid into the multiple groups of spiral coils; the water outlet vertical pipe is used for receiving the hot fluid transmitted by the plurality of groups of spiral coil pipes and guiding the hot fluid out; the multiple sets of spiral coils are used to exchange heat from the hot fluid to a heated medium located outside the coils. The problem that an existing coil pipe structure is high in energy consumption when large-flow fluid heat exchange is processed is solved.
Description
Technical Field
The utility model belongs to the heat exchanger field, concretely relates to spiral coil heat exchanger.
Background
The spiral coil is a heat exchange tube with a compact structure, the direction of fluid continuously changes in the forward flowing process in the spiral pipeline, and compared with a straight tube, the heat exchange coefficient of the fluid in the spiral coil is higher. The existing spiral coil heat exchanger generally connects a plurality of layers of coils in series, and the structure of the heat exchanger has the defects that the heat exchange area on the same horizontal plane is smaller, the number of layers of the required coils is more, and the height of the device is higher; in addition, the series structure easily causes the water resistance of the device to be higher when the number of layers of the coil pipe is increased. For example, some coil pipe heat exchangers are formed by bending a pipe into an upper layer coil pipe and a lower layer coil pipe, the two layers of coil pipes are connected in series, although the coil pipe heat exchangers are simple in structure, when large-flow fluid heat exchange is processed, multiple layers of heat exchange coil pipes need to be connected in series, undoubtedly, too large resistance of the heat exchanger is brought, and a fluid delivery pump with large power consumption needs to be matched, so that high energy consumption is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spiral coil heat exchanger to solve the problem of current coil pipe structure high energy consumption when handling large-traffic fluid heat transfer.
The utility model adopts the following technical scheme: a spiral coil heat exchanger comprising a hollow shell having disposed therein:
the water inlet vertical pipe is vertically arranged, the bottom end of the water inlet vertical pipe is positioned close to the bottom of the shell, the bottom end of the water inlet vertical pipe is a hot fluid inlet, and the top end of the water inlet vertical pipe is sealed;
n water outlet vertical pipes, wherein n is more than or equal to 2, the water outlet vertical pipes are vertically arranged and uniformly distributed on an annular trajectory line taking the water inlet vertical pipe as the center; the top ends of the hot fluid outlets are all hot fluid outlets, and the bottom ends of the hot fluid outlets are all sealed;
the spiral coil pipes are arranged in parallel along the axial direction of the water inlet vertical pipe; each group of spiral coil pipes comprises n coil pipes, each coil pipe is of a spiral tubular structure, an inlet of each coil pipe is communicated to a pipe body of the water inlet vertical pipe, an included angle alpha between the inlet end face axes of two adjacent coil pipes is 360 degrees/n, and outlets of the n coil pipes are communicated to the n water outlet vertical pipes in a one-to-one correspondence manner;
wherein, the water inlet vertical pipe is used for leading hot fluid into the multiple groups of spiral coils; the water outlet vertical pipe is used for receiving the hot fluid transmitted by the plurality of groups of spiral coil pipes and guiding the hot fluid out; the multiple sets of spiral coils are used to exchange heat from the hot fluid to a heated medium located outside the coils.
Furthermore, in the same group of spiral coil pipes, the n coil pipes are positioned on the same horizontal plane.
Furthermore, in the same group of spiral coil pipes, inlets of n coil pipes are arranged at intervals along the axial direction of the water inlet vertical pipe, and the n coil pipes are parallel and are positioned on different horizontal planes.
Furthermore, a horizontal collecting box is arranged in the shell close to the top end, each water outlet vertical pipe is communicated to the collecting box, a hot fluid outlet pipe is arranged on the collecting box in a communicated mode, and an outlet of the hot fluid outlet pipe extends out of the top of the shell.
Furthermore, the bottom of the water inlet vertical pipe is communicated with a hot fluid inlet pipe which is horizontally arranged, and an inlet of the hot fluid inlet pipe extends to the outside of the shell.
Furthermore, the top of the shell is provided with a cold fluid outlet, and the bottom of the shell is provided with a cold fluid inlet.
Furthermore, heat storage materials are filled inside the shell and outside the water inlet vertical pipe, the n water outlet vertical pipes and the plurality of groups of spiral coils.
The beneficial effects of the utility model are that: the utility model discloses a multiunit spiral coil arranges with layer or staggered floor, can increase same horizontal plane heat exchange coil's heat transfer area, improves coil pipe heat transfer effect. The spiral coil pipes of the whole device are compact in arrangement and small in occupied area, and gaps are formed between every two adjacent coil pipes and between every two adjacent groups of spiral coil pipes, so that the mobility of heat exchange fluid is improved, and heat exchange is enhanced. The structure adopts a multi-group or multi-layer spiral coil parallel connection structure with the same structure and size, and reduces the resistance of the pipeline and the resistance drop of the heat exchanger while ensuring the heat exchange area; meanwhile, the distribution uniformity of the heat transfer fluid in each group of spiral coil pipes in the whole device is ensured, and the heat exchange stability and the timeliness of the heat exchanger are improved.
Drawings
Fig. 1 is a schematic structural view of a spiral coil heat exchanger according to the present invention;
FIG. 2 is a top view of the present FIG. 1;
FIG. 3 is an enlarged view I of one embodiment of FIG. 1;
FIG. 4 is an enlarged view II of the alternate embodiment of FIG. 1;
FIG. 5 is a cross-sectional view A-A of FIGS. 3 and 4;
fig. 6 is a schematic structural diagram of a coil of a spiral coil heat exchanger according to the present invention.
The system comprises a hot fluid inlet pipe 1, a shell 2, a first water outlet vertical pipe 3, a collecting box 4, a hot fluid outlet pipe 5, a coil 6, a second water outlet vertical pipe 7, a third water outlet vertical pipe 8, a water inlet vertical pipe 9, a cold fluid inlet 10, a cold fluid outlet 11, a first spiral coil 6-1, a second spiral coil 6-2 and a third spiral coil 6-3.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a spiral coil heat exchanger, as shown in figure 1, including a hollow shell 2, it can be cylindrical tubbiness structure, and the inside of shell 2 is provided with into water riser 9, n play water riser and multiunit spiral coil.
Wherein, the water inlet vertical pipe 9 is vertically arranged and can be arranged at the central position of the shell. The bottom end of the water inlet vertical pipe 9 is positioned close to the bottom of the shell 2, the bottom end of the water inlet vertical pipe is a hot fluid inlet, the top end of the water inlet vertical pipe is welded and sealed by an end cover, and the pipe wall of the water inlet vertical pipe is provided with a through hole along the axial line so as to be connected with the inlet of the spiral coil pipe.
The n water outlet vertical pipes are vertically arranged, n is more than or equal to 2 and are uniformly distributed on an annular trajectory line taking the water inlet vertical pipe 9 as the center; the top end of each water outlet vertical pipe is a hot fluid outlet, and the bottom end of each water outlet vertical pipe is welded and sealed by an end cover.
The multiple groups of spiral coil pipes are arranged in parallel at intervals up and down along the axial direction of the water inlet vertical pipe 9. In practice, a plurality of sets of helical coils may be arranged axially equidistant. The flow direction of the fluid in each group of spiral coil pipes is spiral flow from the inner ring to the outer ring. Gaps are arranged between every two adjacent coil pipes 6 and between every two adjacent groups of spiral coil pipes, so that the flowability of heat exchange fluid is improved, and the heat exchange capacity of the coil pipes 6 is further improved.
Each group of spiral coil pipes comprises n coil pipes 6, as shown in fig. 6, each coil pipe 6 is of a spiral tubular structure, an inlet of each coil pipe 6 is communicated to a pipe body of the water inlet vertical pipe 9, an included angle alpha between the inlet end faces of two adjacent coil pipes 6 is 360 degrees/n, and n outlets of the coil pipes 6 are communicated to n water outlet vertical pipes in a one-to-one correspondence manner. As shown in fig. 5, when n is 3, the number of the coils 6 is three, which are respectively a first spiral coil 6-1, a second spiral coil 6-2 and a third spiral coil 6-3, and inlets of the three coils 6 are all connected to the pipe body of the water inlet vertical pipe 9.
As shown in FIG. 2, when n is 3, the number of the effluent stand pipes is three. The three water outlet vertical pipes are sequentially provided with a first water outlet vertical pipe 3, a second water outlet vertical pipe 7 and a third water outlet vertical pipe 8 at equal intervals on the circumference of every 120 degrees by taking the water inlet vertical pipe 9 as the center of a circle, and are all positioned at the extension part of the outermost circle of the coil pipe and are 200mm away from the inner wall of the heat exchanger shell 2 by 100-.
The water inlet vertical pipe 9 is used for introducing hot fluid into the multiple groups of spiral coils; the water outlet vertical pipe is used for receiving the hot fluid transmitted by the plurality of groups of spiral coil pipes and guiding the hot fluid out; and a plurality of groups of spiral coils are used for exchanging heat of the hot fluid to the heated medium positioned outside the spiral coils. The water inlet vertical pipe 9, the plurality of groups of spiral coils and the n water outlet vertical pipes form a circulation channel of the hot fluid from bottom to top.
In some embodiments, as shown in fig. 3, n coils 6 in the same set of helical coils are located at the same level. For example, when n is 3, the number of coils 6 is three, being the first spiral coil 6-1, the second spiral coil 6-2 and the third spiral coil 6-3, respectively. The first spiral coil 6-1, the second spiral coil 6-2 and the third spiral coil 6-3 in each group of spiral coils are all positioned on the same horizontal plane, so that the heat exchange area of the heat exchange coils on the same horizontal plane can be increased.
In some embodiments, as shown in fig. 4, in the same set of spiral coils, the inlets of n coils 6 are arranged at intervals along the axial direction of the water inlet vertical pipe 9, and the n coils 6 are parallel and located at different levels. For example, when n is 3, the number of coils 6 is three, being the first helical coil 6-1, the second helical coil 6-2, and the third helical coil 6-3, respectively. The first spiral coil 6-1, the second spiral coil 6-2 and the third spiral coil 6-3 in each group of spiral coils are arranged at intervals up and down along the axial direction of the water inlet vertical pipe 9, so that the heat exchange area of the heat exchange coils on the same horizontal plane can be increased.
In some embodiments, as shown in fig. 1, a horizontal collection tank 4 is disposed inside the housing 2 near the top end, each of the vertical water outlet pipes is connected to the collection tank 4, a hot fluid outlet pipe 5 is connected to the collection tank 4, and an outlet of the hot fluid outlet pipe 5 extends out of the top of the housing 2. The collection header 4 may be an annular header, a U-shaped header, or a spherical header.
In some embodiments, the bottom of the water inlet vertical pipe 9 is communicated with a horizontally arranged hot fluid inlet pipe 1, and the inlet of the hot fluid inlet pipe 1 extends to the outside of the shell 2.
In some embodiments, the top of the re-housing 2 is provided with a cold fluid inlet 11 and the bottom is provided with a cold fluid outlet 5. In order to enhance the heat exchange effect, the cold fluid and the hot fluid adopt countercurrent flow heat exchange.
Taking n as 3 as an example, when the heating device is used, high-temperature fluid enters a water inlet vertical pipe 9 through a hot fluid inlet pipe 1, the hot fluid is uniformly distributed to each layer of spiral coils connected in parallel through the water inlet vertical pipe 9, and heat of the hot fluid in the spiral coils is transferred to heated media outside the coils through the wall surfaces of the coils; the hot fluid after heat exchange and temperature reduction enters a first vertical water outlet pipe 3, a second vertical water outlet pipe 7 and a third vertical water outlet pipe 8, then is converged in an upper converging box 4 through top ports of the three vertical water outlet pipes, and finally is discharged through a top hot fluid outlet 5 pipeline. The heated cold fluid flows in from the lower inlet 10 of the heat exchanger shell 2, and is discharged from the upper cold fluid outlet 11 after heat exchange and temperature rise.
In some embodiments, the inside of the shell 2 and the outside of the water inlet vertical pipe 9, the n water outlet vertical pipes and the plurality of sets of spiral coils may be filled with heat storage materials, so that one type of spiral coil heat exchanger has a heat storage and release function, i.e. can be used as a regenerative heat exchanger.
When a user needs to store heat, heat transfer fluid enters each group of spiral coils through the water inlet vertical pipe 9 simultaneously, heat exchange is carried out between the spiral coils and the heat storage material, and the heat storage and heat release processes are completed.
The utility model discloses a spiral coil heat exchanger adopts multiunit spiral coil to arrange with layer or staggered floor, can increase the heat transfer area of same horizontal plane heat transfer coil, improves coil heat transfer effect. The utility model discloses a spiral coil heat exchanger heat exchange tube arranges the compactness, and area is little, all is equipped with the clearance between adjacent two-layer coil pipe and the adjacent two sets of coil pipe to improve heat transfer fluid's mobility, reinforce the heat transfer. The structure adopts a multi-group or multi-layer spiral coil parallel connection structure with the same structure and size, and reduces the resistance of the pipeline and the resistance drop of the heat exchanger while ensuring the heat exchange area; meanwhile, the uniformity of the distribution of the heat transfer fluid in each group or layer of heat exchange coil in the heat exchanger is ensured, and the heat exchange stability and timeliness of the heat exchanger are improved.
Claims (7)
1. A spiral coil heat exchanger, characterized in that it comprises a hollow shell (2) inside which are arranged:
the water inlet vertical pipe (9) is vertically arranged, the bottom end of the water inlet vertical pipe is positioned close to the bottom of the shell (2), the bottom end of the water inlet vertical pipe is a hot fluid inlet, and the top end of the water inlet vertical pipe is sealed;
n water outlet vertical pipes, wherein n is more than or equal to 2, the water outlet vertical pipes are vertically arranged and are uniformly distributed on an annular trajectory line taking the water inlet vertical pipe (9) as the center; the top ends of the hot fluid outlets are hot fluid outlets, and the bottom ends of the hot fluid outlets are sealed;
the multiple groups of spiral coil pipes are arranged in parallel along the axial direction of the water inlet vertical pipe (9); each group of spiral coil pipes comprises n coil pipes (6), each coil pipe (6) is of a spiral tubular structure, an inlet of each coil pipe (6) is communicated to a pipe body of the water inlet vertical pipe (9), an included angle alpha between the axial lines of the inlet end faces of two adjacent coil pipes (6) is 360 degrees/n, and outlets of the n coil pipes (6) are communicated to the n water outlet vertical pipes in a one-to-one correspondence manner;
wherein the water inlet vertical pipe (9) is used for introducing hot fluid into a plurality of groups of spiral coils; the water outlet vertical pipe is used for receiving the hot fluid transmitted by the plurality of groups of spiral coil pipes and guiding the hot fluid out; and a plurality of groups of spiral coils are used for exchanging heat of the hot fluid to the heated medium positioned outside the spiral coils.
2. A spiral coil heat exchanger according to claim 1, characterized in that n of said coils (6) of a same set of said spiral coils are located at a same level.
3. A spiral coil heat exchanger according to claim 1, characterized in that in the same set of spiral coils, the inlets of n coils (6) are arranged at intervals along the axial direction of the water inlet riser (9), and the n coils (6) are parallel and located at different levels.
4. A spiral coil heat exchanger according to any one of claims 1 to 3, wherein a horizontal collection header (4) is provided in the interior of the shell (2) near the top end, each of the outlet risers is connected to the collection header (4), a hot fluid outlet pipe (5) is connected to the collection header (4), and the outlet of the hot fluid outlet pipe (5) extends out of the top of the shell (2).
5. Spiral coil heat exchanger according to any of claims 1 to 3, characterized in that the bottom of the inlet riser (9) is connected to a horizontally arranged hot fluid inlet pipe (1), and the inlet of the hot fluid inlet pipe (1) extends to the outside of the shell (2).
6. A spiral coil heat exchanger according to any one of claims 1 to 3, wherein the top of the housing (2) is provided with a cold fluid outlet (11) and the bottom with a cold fluid inlet (10).
7. A spiral coil heat exchanger according to any of claims 1-3, wherein the shell (2) is filled with heat storage material inside the water inlet riser (9), the n water outlet risers and the plurality of spiral coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123290703.7U CN217058443U (en) | 2021-12-25 | 2021-12-25 | Spiral coil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123290703.7U CN217058443U (en) | 2021-12-25 | 2021-12-25 | Spiral coil heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058443U true CN217058443U (en) | 2022-07-26 |
Family
ID=82479299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123290703.7U Active CN217058443U (en) | 2021-12-25 | 2021-12-25 | Spiral coil heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058443U (en) |
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2021
- 2021-12-25 CN CN202123290703.7U patent/CN217058443U/en active Active
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