CN212030279U - Winding tube type heat exchanger - Google Patents
Winding tube type heat exchanger Download PDFInfo
- Publication number
- CN212030279U CN212030279U CN202020579105.8U CN202020579105U CN212030279U CN 212030279 U CN212030279 U CN 212030279U CN 202020579105 U CN202020579105 U CN 202020579105U CN 212030279 U CN212030279 U CN 212030279U
- Authority
- CN
- China
- Prior art keywords
- shell
- tube
- injection
- heat exchanger
- distributor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a winding tubular heat exchanger, it belongs to heat exchanger technical field, include: the shell, at least part of the inner space of the shell forms a shell pass, the upper end of the shell is provided with a shell pass inlet, the lower end of the shell is provided with a shell pass outlet, and the shell pass is respectively communicated with the shell pass inlet and the shell pass outlet; the shell is respectively provided with a tube side inlet and a tube side outlet which are communicated with two ends of the winding tube bundle; a distributor is arranged in the shell side, a plurality of jet holes are arranged on the peripheral surface and/or the bottom surface of at least part of the distributor, and the jet direction of the jet holes is inclined downwards or vertical downwards; the utility model discloses a reasonable setting of jet orifice on the distributor on height and injection angle for the evenly distributed that shell side medium can be quick after the jet orifice blowout has improved shell side coefficient of heat transfer on winding tube bank, has reduced the flow blind spot in the shell side, and difficult formation dirt has reduced the risk of scale deposit and dirt corrosion down, has prolonged the maintenance cycle.
Description
Technical Field
The utility model relates to a heat exchanger technical field, concretely relates to winding tubular heat exchanger.
Background
A wound tube Heat Exchanger (Spiral wound Heat Exchanger) is a high-efficiency Heat Exchanger, generally comprising a shell, a central cylinder and a wound tube bundle arranged between the shell and the central cylinder, wherein the wound tube bundle generally comprises a plurality of wound tubes, the wound tube bundle is formed by alternately winding the wound tubes in a space between the shell and an inner cylinder according to a Spiral shape, the Spiral directions of two adjacent layers of Spiral wound tubes are opposite, and a certain distance is kept by adopting a certain-shaped distance piece. The winding pipe can be wound by a single winding, two or more winding pipes can be wound together after being assembled and welded, one winding pipe can be used for winding the winding pipe, and different pipe pass media can be respectively used for winding the winding pipe.
Besides benefiting from the special reverse winding structure in the wound tube type heat exchanger, the efficient heat exchange of the wound tube type heat exchanger is that the distribution state of media (shell pass media and tube pass media) entering the heat exchanger, particularly the shell pass media, plays a very key role in the heat exchange performance of the whole wound tube type heat exchanger. As shown in fig. 1, the conventional wound tube heat exchanger has a wound tube bundle 4, a shell-side inlet 12 and a shell-side outlet 13, which are arranged in such a way that a large dead flow area and a slow flow area exist in a shell side 11, and especially when the flow rate of a shell-side medium is small, the heat exchange performance of the heat exchanger is seriously affected; meanwhile, the existence of the flow dead zone also increases the risks of scaling and under-scale corrosion, and influences the service life of the heat exchanger.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a winding tubular heat exchanger can guarantee the quick even distribution of shell side medium in the shell side, has reduced the flow blind spot in the shell side, is difficult for forming the dirt, has reduced the risk of scale deposit and dirt corrosion down.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a winding tubular heat exchanger, include:
the shell is characterized in that at least part of the inner space of the shell forms a sealed shell pass, the upper end of the shell is provided with a shell pass inlet, the lower end of the shell is provided with a shell pass outlet, and the shell pass is respectively communicated with the shell pass inlet and the shell pass outlet;
the winding tube bundle is arranged in the shell pass, and the shell is respectively provided with a tube pass inlet and a tube pass outlet which are communicated with two ends of the winding tube bundle;
the distributor is arranged in the shell side and above the winding tube bundle and communicated with the shell side inlet, a plurality of injection holes are formed in the peripheral surface and/or the bottom surface of at least part of the distributor, the injection direction of each injection hole is set to be the direction from the inside of the distributor to the outside of the distributor along the axis of the injection hole, and the injection direction of each injection hole is set to be inclined downwards or vertical downwards.
As a preferable technical solution, the injection angle of the injection hole is an included angle between the injection direction of the injection hole and a vertically downward direction, the injection angles of the injection holes located at the same height are all the same, and the injection angles of the injection holes gradually decrease along the vertically downward direction.
As a preferred technical scheme, the distributor comprises a pipe body, the upper end of the pipe body is communicated with the shell side inlet, and the lower end of the pipe body is provided with a lower end cover.
As a preferable technical solution, the injection holes are provided on the pipe body and/or the lower end cap, the injection directions of the injection holes located on the pipe body are set to be inclined downward, and the injection directions of the injection holes located on the lower end cap are set to be inclined downward and/or vertical downward.
As a preferable technical scheme, a collector communicated with the shell pass outlet is arranged at the bottom of the shell pass, and a plurality of collecting ports are arranged on the circumferential surface of the collector.
As a preferable technical scheme, the axes of the collecting ports are all horizontally arranged, and the collecting ports and the lower end of the shell pass form a liquid seal.
As a preferred technical solution, a central cylinder is arranged at the center of the winding tube bundle, and a thermal expansion assembly is arranged between the central cylinder and the distributor and/or between the central cylinder and the collector.
As a preferable mode, the thermal expansion block includes a large cylindrical tube and a small cylindrical tube partially extending into the large cylindrical tube from above.
As a preferable technical scheme, the large cylinder and the small cylinder are coaxially arranged, and the annular gap between the large cylinder and the small cylinder is not more than 2 mm.
The utility model has the advantages of that:
1. the utility model discloses a reasonable setting of jet orifice on the distributor on height and injection angle for the evenly distributed that shell side medium can be quick after the jet orifice blowout has improved shell side coefficient of heat transfer on winding tube bank, has reduced the flow blind spot in the shell side, and difficult formation dirt has reduced the risk of scale deposit and dirt corrosion down, has prolonged the maintenance cycle.
2. The utility model discloses a central section of thick bamboo respectively with distributor and collector between the thermal expansion assembly, can be so that distributor, a central section of thick bamboo and collector all can be free stretch out and draw back in the axial, eliminated thermal stress.
Drawings
FIG. 1 is a schematic structural view of a conventional wound tube heat exchanger;
fig. 2 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a distributor according to an embodiment of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3;
fig. 5 is a top view of an embodiment of the present invention.
In the figure: 1-shell, 11-shell pass, 12-shell pass inlet, 13-shell pass outlet, 14-upper tube plate, 15-lower tube plate, 2-winding tube bundle, 21-tube pass inlet, 22-tube pass outlet, 3-distributor, 31-jet orifice, 32-tube body, 33-lower end cover, 34-axial line of jet orifice, 4-central cylinder, 5-thermal expansion component, 51-small cylinder, 52-big cylinder and 6-collector.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 2-5, the present invention provides a winding tube heat exchanger, including: the shell comprises a shell 1, wherein at least part of the inner space of the shell 1 forms a sealed shell pass 11, the upper end of the shell 1 is provided with a shell pass inlet 12, the lower end of the shell 1 is provided with a shell pass outlet 13, and the shell pass 11 is respectively communicated with the shell pass inlet 12 and the shell pass outlet 13; the winding tube bundle 2 is arranged in the shell pass 11, and the shell 1 is respectively provided with a tube pass inlet 21 and a tube pass outlet 22 which are communicated with two ends of the winding tube bundle 2; a distributor 3 communicated with the shell side inlet 12 is arranged in the shell side 11 and above the winding tube bundle 2, a plurality of injection holes 31 are arranged on the peripheral surface and/or the bottom surface of at least part of the distributor 3, the injection direction of each injection hole 31 is set to be along the axis 34 of the injection hole from the inside of the distributor 3 to the outside of the distributor 3, and the injection direction of the injection hole 31 is set to be inclined downwards or vertical downwards.
It should be noted that the space formed by the shell pass 11 is used for flowing a shell pass medium, the space formed by the tube pass is used for flowing a tube pass medium in the winding tube bundle 2, and the shell pass medium and the tube pass medium perform heat exchange when flowing relatively; the bundle 2 of wound tubes generally comprises a plurality or layers of wound tubes; the injection holes 31 are distributed in the vertical direction of the distributor 3, so that the shell pass medium can be injected from different heights and can be uniformly distributed above the winding tube bundle 2, and the heat transfer coefficient of the shell pass 11 is improved; in fig. 2, an arrow extending from the injection hole 31 of the distributor 3 indicates a moving direction of the shell-side medium after being injected from the injection hole 31.
On the basis of the above embodiment, referring to fig. 2 and fig. 4, the injection angle of the injection hole 31 is set as an included angle between the injection direction of the injection hole 31 and the vertical downward direction, the injection angles of the injection holes 31 located at the same height are all the same, and the injection angles of the injection holes 31 gradually decrease along the vertical downward direction, so that the shell side media sprayed from the injection holes 31 at the same height can be uniformly distributed by taking the axis of the distributor 3 as the center of a circle, and meanwhile, along with the decrease of the height of the injection holes 31, the shell side media sprayed from the injection holes 31 can be closer to the central area of the winding tube bundle 2, so that the shell side media sprayed from the injection holes 31 from top to bottom can be respectively distributed on the winding tube bundle 2 from outside to inside, and the heat exchange effect. Preferably, the distributor 3 is positioned right above the winding tube bundle 2, and the shell side medium is uniformly distributed on the winding tube bundle 2 by taking the axes of the distributor 3 and the winding tube bundle 2 as centers.
In an embodiment of the present invention, referring to fig. 2 and 3, the distributor 3 includes a pipe 32, the upper end of the pipe 32 is communicated with the shell-side inlet 12, and the lower end of the pipe 32 is provided with a lower end cap 33. Specifically, the injection holes 31 are provided on the pipe body 32 and/or the lower end cap 33, the injection directions of the injection holes 31 provided on the pipe body 32 are set to be inclined downward, and the injection directions of the injection holes 31 provided on the lower end cap 33 are set to be inclined downward and/or vertical downward. The provision of jet holes 31 at the lower end cap 33 allows the shell-side media to be distributed to the bundle of winding tubes 2 directly below the distributor 3.
In an embodiment of the present invention, referring to fig. 2, a collector 6 connected to the shell pass outlet 13 is disposed at the bottom of the shell pass 11, and a plurality of collecting ports are disposed on the periphery of the collector 6. Furthermore, the axis of the collecting port is horizontally arranged, the height of the collecting port is arranged according to the height of the condensed liquid level, so that the collecting port and the lower end of the shell side 11 form a liquid seal, the shell side 11 is guaranteed to be in a sealed environment, and only shell side media are allowed to flow. Specifically, the collector 6 can be set up to the cylinder that the upper end is sealed, and the lower extreme and the shell side export 13 intercommunication of cylinder collect mouthful even distribution on the global of cylinder, can guarantee that the shell side medium can collect mouthful and discharge from shell side export 13 on the collector 6 after the bottom of shell side 11 assembles. In practical use, the collecting ports are uniformly distributed on the circumferential surface of the collector 6, and the height of each collecting port is lower than the liquid level of the shell-side medium at the bottom of the shell side 11.
In an embodiment of the present invention, referring to fig. 2, a central tube 4 is disposed at the center of the winding tube bundle 2, and a thermal expansion assembly 5 is disposed between the central tube 4 and the distributor 3 and/or between the central tube 4 and the collector 6. Specifically, the thermal expansion assembly 5 comprises a large cylindrical barrel 52 and a small cylindrical barrel 51, part of which extends into the large cylindrical barrel 52 from above, in the embodiment, the large cylindrical barrel 52 of the thermal expansion assembly 5 between the central barrel 4 and the distributor 3 is fixed at the top of the central barrel 4, and the small cylindrical barrel 51 is fixed at the bottom of the distributor 3, so that the central barrel 4 and the distributor 3 can be ensured to be axially stretched to a certain extent in a nesting manner of the large cylindrical barrel 52 and the small cylindrical barrel 51, and thermal stress can be eliminated; similarly, the large tube 52 of the thermal expansion assembly 5 between the central tube 4 and the collector 6 is fixed to the top of the collector 6, and the small tube 51 is fixed to the bottom of the central tube 4. Further, the annular gap between the large barrel 52 and the small barrel 51 is not more than 2mm, and the distributor 3, the central barrel 4 and the collector 6 can be stretched and contracted in the axial direction, and meanwhile, the deviation between the distributor 3 and the central barrel 4 and between the central barrel 4 and the collector 6 in other directions can be limited.
Please refer to fig. 2, an upper tube plate 14 and a lower tube plate 15 may be disposed in the shell 1, and the upper tube plate 14, the lower tube plate 15 and the inner wall of the shell 1 between the upper tube plate 14 and the lower tube plate 15 jointly form a sealed shell side 11. Further, shell pass holes and tube holes are formed in the upper tube plate 14 and the lower tube plate 15, specifically, the shell pass holes in the upper tube plate 14 are communicated with the shell pass inlet 12, the tube holes in the upper tube plate 14 are communicated with the upper port of the winding tube bundle 2, the shell pass holes in the lower tube plate 15 are communicated with the shell pass outlet 13, and the tube holes in the lower tube plate 15 are communicated with the lower port of the winding tube bundle 2, so that a sealed and mutually isolated shell pass 11 and tube pass are formed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A wound tube heat exchanger comprising:
the shell is characterized in that at least part of the inner space of the shell forms a sealed shell pass, the upper end of the shell is provided with a shell pass inlet, the lower end of the shell is provided with a shell pass outlet, and the shell pass is respectively communicated with the shell pass inlet and the shell pass outlet;
the winding tube bundle is arranged in the shell pass, and the shell is respectively provided with a tube pass inlet and a tube pass outlet which are communicated with two ends of the winding tube bundle;
the device is characterized in that a distributor communicated with a shell pass inlet is arranged in the shell pass and above the winding tube bundle, a plurality of injection holes are arranged on the peripheral surface and/or the bottom surface of at least part of the distributor, the injection direction of each injection hole is set to be the direction from the inside of the distributor to the outside of the distributor along the axis of the injection hole, and the injection direction of each injection hole is set to be inclined downwards or vertical downwards.
2. The wound tube heat exchanger according to claim 1, wherein the injection angle of the injection hole is set to an angle between the injection direction of the injection hole and a vertically downward direction, the injection angles of the injection holes at the same height are all the same, and the injection angles of the injection holes gradually decrease in the vertically downward direction.
3. The wound tube heat exchanger according to claim 1 or 2, wherein the distributor comprises a tube body, an upper end of the tube body is communicated with the shell side inlet, and a lower end cover is arranged at a lower end of the tube body.
4. The wound tube heat exchanger according to claim 3, wherein the injection holes are provided in the tube body and/or the lower end cap, the injection directions of the injection holes in the tube body are each set obliquely downward, and the injection directions of the injection holes in the lower end cap are set obliquely downward and/or vertically downward.
5. The wound tube heat exchanger of claim 1 wherein the bottom of the shell side is provided with a collector in communication with the shell side outlet, the collector having a plurality of collection ports on its perimeter.
6. The wound tube heat exchanger according to claim 5, wherein the axes of the collection ports are all horizontally disposed, and the collection ports form a liquid seal with the lower end of the shell side.
7. The wound tube heat exchanger according to claim 5, wherein a central tube is provided in the center of the bundle of wound tubes, and a thermal expansion assembly is provided between the central tube and the distributor and/or between the central tube and the collector.
8. The wound tube heat exchanger of claim 7, wherein the thermal expansion assembly comprises a large cylindrical tube and a small cylindrical tube partially extending into the large cylindrical tube from above.
9. The wound tube heat exchanger of claim 8, wherein the large tube and the small tube are coaxially arranged, and an annular gap between the large tube and the small tube is not greater than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579105.8U CN212030279U (en) | 2020-04-17 | 2020-04-17 | Winding tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579105.8U CN212030279U (en) | 2020-04-17 | 2020-04-17 | Winding tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030279U true CN212030279U (en) | 2020-11-27 |
Family
ID=73493943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020579105.8U Active CN212030279U (en) | 2020-04-17 | 2020-04-17 | Winding tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030279U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532153A (en) * | 2021-07-20 | 2021-10-22 | 浙江酷灵信息技术有限公司 | Two-phase spray type multi-channel cooling tank |
| CN116817635A (en) * | 2023-08-30 | 2023-09-29 | 山东豪迈机械制造有限公司 | Coiled pipe type heat exchanger |
-
2020
- 2020-04-17 CN CN202020579105.8U patent/CN212030279U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532153A (en) * | 2021-07-20 | 2021-10-22 | 浙江酷灵信息技术有限公司 | Two-phase spray type multi-channel cooling tank |
| CN116817635A (en) * | 2023-08-30 | 2023-09-29 | 山东豪迈机械制造有限公司 | Coiled pipe type heat exchanger |
| CN116817635B (en) * | 2023-08-30 | 2023-11-10 | 山东豪迈机械制造有限公司 | Coiled pipe type heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202101595U (en) | Longitudinal flow shell-and-tube heat exchanger | |
| CN101551207B (en) | Shell-and-tube heat exchanger with oblate tube | |
| CN212030279U (en) | Winding tube type heat exchanger | |
| CN106643227B (en) | A kind of mixing deflector type reboiler | |
| CN105937857A (en) | Shell-and-tube heat exchanger suitable for three-fluid heat exchange | |
| CN107166983B (en) | High-efficient vertical tubular condenser | |
| CN201147728Y (en) | Central cylinder of separator | |
| CN209355735U (en) | A kind of intelligence shell-and-tube energy conservation heat-exchange unit | |
| CN104567481B (en) | A kind of wound tube heat exchanger | |
| CN103884201A (en) | Internally-installed plate-shell type overhead condenser for solvent regeneration tower | |
| CN101285656B (en) | Annular shell and tube heat exchanger with rectification | |
| CN201413066Y (en) | Shell-and-tube helix flat tube heat exchanger | |
| CN215373044U (en) | Novel condenser for refrigerating system | |
| CN208998603U (en) | Chloromethanes deep cooling movable tube sheets heat exchanger | |
| CN219607775U (en) | Heat exchanger | |
| CN219829593U (en) | Novel external flow-guiding efficient heat exchanger | |
| CN220649170U (en) | Compact combined support type special-shaped heat exchange device | |
| CN214950767U (en) | Inner fin heat exchange tube convenient to disassemble and assemble | |
| CN208254299U (en) | A kind of self-support type finned-tube bundle and heat exchanger | |
| CN113375371A (en) | Novel condenser for refrigerating system | |
| CN219551272U (en) | Vertical tubular heat exchanger | |
| CN201280608Y (en) | Flexible structure cooling jacket of polysilicon reduction furnace | |
| CN217275716U (en) | Spiral feeding wound heat exchanger | |
| CN219607786U (en) | Split type tubular heat exchanger | |
| CN218329407U (en) | Winding pipe type composite air cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |