CN108387117B - Internal and external double convection tube type heat exchanger - Google Patents
Internal and external double convection tube type heat exchanger Download PDFInfo
- Publication number
- CN108387117B CN108387117B CN201810218157.XA CN201810218157A CN108387117B CN 108387117 B CN108387117 B CN 108387117B CN 201810218157 A CN201810218157 A CN 201810218157A CN 108387117 B CN108387117 B CN 108387117B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange flow
- guide sleeve
- flow guide
- shell
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000012809 cooling fluid Substances 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 229920002313 fluoropolymer Polymers 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/103—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/10—Arrangements for sealing elements into header boxes or end plates by dismountable joints by screw-type connections, e.g. gland
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/20—Fastening; Joining with threaded elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an internal and external double-convection tube type heat exchanger, which comprises a shell with sealed two ends, a plurality of heat exchange flow guide sleeves arranged in the shell, two first flow baffle plates, two second flow baffle plates and two third flow baffle plates symmetrically arranged in inner holes at two ends of the shell at intervals, wherein each heat exchange flow guide sleeve comprises a third heat exchange flow guide sleeve, a second heat exchange flow guide sleeve and a first heat exchange flow guide sleeve which are sleeved in a clearance mode from inside to outside in sequence, the outer wall of one end of the shell is provided with a cooling fluid inlet communicated with the third heat exchange flow guide sleeve and the corresponding end of the first heat exchange flow guide sleeve, a cooled fluid outlet communicated with the corresponding end of the second heat exchange flow guide sleeve, and the outer wall of the other end of the shell is provided with a cooled fluid inlet communicated with the other end of the second heat exchange flow guide sleeve and a cooling fluid outlet communicated with the third heat exchange flow guide sleeve and the other end of the first heat exchange flow guide sleeve. The invention has the advantages of high space utilization rate, uniform heat conduction, high heat transfer efficiency, simple structure, easy processing, stability, reliability and long service life.
Description
Technical Field
The invention relates to a heat exchanger, in particular to a high-efficiency heat exchanger based on double convection.
Background
The double-pipe heat exchanger is a partition wall type heat exchanger with the wall surface of the pipe wall enclosed in the shell as the heat transfer surface, and currently, the common use is mainly fixed pipe plate type, floating head type and U-shaped pipe type 3 types. The shell-and-tube heat exchanger can be made of various metal materials, has the advantages of firm structure, high operation elasticity, high reliability and wide application range, and can be used in high-temperature and high-pressure environments, so that the shell-and-tube heat exchanger is widely applied to various industries such as petroleum, chemical industry, light industry, metallurgy, electric power and the like.
At present, there are two main aspects of domestic researches on shell-and-tube heat exchangers in terms of improving the efficiency: the heat transfer coefficient and the high logarithmic average temperature difference are improved. Among the aspects that can be improved in terms of increasing the heat transfer coefficient are: the surface heat transfer coefficient of the plate is improved; reducing the thermal resistance of the dirt layer; a guide piece with high heat conductivity is selected; reducing the sheet thickness, etc. Reducing the thermal resistance of the fouling layer is often limited by technical conditions; the guide plate with high heat conductivity is selected, so that the manufacturing cost is high in heat exchanger application occasions such as large-scale and batch heat exchangers; reducing the thickness of the sheet is limited by the pressure and load of the liquid transported, and its improvement is often very limited.
Disclosure of Invention
The invention provides a novel internal and external double-convection tube type heat exchanger which can increase heat transfer efficiency, reduce the volume of the heat exchanger and realize accurate heat exchange.
The invention is realized by adopting the following technical scheme:
a novel internal and external double-convection tube type heat exchanger capable of increasing heat transfer efficiency and reducing the volume of the heat exchanger under the same heat exchanger power is composed of a shell, an end cover, a fixing bolt, a heat exchange flow guide tube, a flow separation plate, an intermediate support plate, a sealing gasket and the like.
In order to achieve the above purpose, the invention adopts the following technical scheme:
An inner and outer double convection tube heat exchanger comprising: the heat exchange flow guide sleeve comprises a stainless steel shell with sealed two ends, a plurality of heat exchange flow guide sleeves uniformly arranged in the shell along the axial direction, two first flow baffle plates, two second flow baffle plates and two third flow baffle plates which are symmetrically arranged in inner holes at two ends of the shell at intervals, wherein each heat exchange flow guide sleeve comprises a third heat exchange flow guide sleeve, a second heat exchange flow guide sleeve and a first heat exchange flow guide sleeve which are sleeved in sequence from inside to outside, pipe orifices at two ends of the second heat exchange flow guide sleeve symmetrically extend out of pipe orifices at two ends of the first heat exchange flow guide sleeve for a certain distance, and pipe orifices at two ends of the third heat exchange flow guide sleeve symmetrically extend out of pipe orifices at two ends of the second heat exchange flow guide sleeve for a certain distance; the two third flow separation plates are symmetrically and hermetically fixed between the inner wall of the shell and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guide sleeve, the two second flow separation plates are symmetrically and hermetically fixed between the inner wall of the shell and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guide sleeve, and the two first flow separation plates are symmetrically and hermetically fixed between the inner wall of the shell and the outer walls of the pipe orifices at the two ends of each third heat exchange flow guide sleeve; the outer wall of one end of the shell is provided with a cooling fluid inlet which is simultaneously communicated with the corresponding ends of the third heat exchange flow sleeve and the first heat exchange flow sleeve and a cooled fluid outlet which is simultaneously communicated with the corresponding ends of the second heat exchange flow sleeve, and the outer wall of the other end of the shell is provided with a cooled fluid inlet which is simultaneously communicated with the other end of the second heat exchange flow sleeve and a cooling fluid outlet which is simultaneously communicated with the other ends of the third heat exchange flow sleeve and the first heat exchange flow sleeve.
Further, the third heat exchange flow guide sleeve, the second heat exchange flow guide sleeve and the first heat exchange flow guide sleeve are coaxially arranged, so that uniform heat conduction and high heat transfer efficiency are realized.
Further, the third heat exchange flow sleeve, the second heat exchange flow sleeve and the first heat exchange flow sleeve are made of fluoroplastic.
Further, a plurality of stepped holes matched with the diameters of the first flow baffle, the second flow baffle and the third flow baffle are formed in the inner holes at the two ends of the shell.
Further, the outer peripheral walls of the first flow baffle plate, the second flow baffle plate and the third flow baffle plate are connected with the inner walls of the corresponding stepped holes through threads.
Further, the middle parts of the first flow baffle plate, the second flow baffle plate and the third flow baffle plate are uniformly provided with a plurality of round holes which are respectively in sealing fit with the outer walls of the orifices of the third heat exchange flow guide sleeve, the second heat exchange flow guide sleeve and the first heat exchange flow guide sleeve.
Further, the round hole is provided with threads in sealing fit with the outer walls of the orifices of the third heat exchange flow guide sleeve, the second heat exchange flow guide sleeve and the first heat exchange flow guide sleeve.
Further, a round stainless steel flow guide pipe middle supporting plate for supporting the heat exchange flow guide sleeve is fixedly arranged in the middle of the inner hole of the shell, and a plurality of holes in interference fit with the first heat exchange flow guide sleeve are uniformly formed in the middle of the middle supporting plate.
Further, the periphery of the middle supporting plate of the flow guide pipe is fixedly connected with the inner wall of the shell through threads.
Further, the two ends of the shell are sealed through the end covers, the sealing washers and the fixing bolts.
Compared with the prior art, the invention has the following beneficial effects:
The outer shell and the supporting part of the inner-outer double convection tube type heat exchanger are made of stainless steel, so that corrosion can be prevented, the reliability of the heat exchanger can be improved, and the service life of the heat exchanger can be prolonged. The heat conduction fluid pipe and the cold conduction fluid pipe are prepared into linear pipelines and are radially densely distributed in the heat exchanger shell, the space utilization rate is high, and the circulation time of hot fluid and cold fluid in the heat exchanger is shortened due to the fact that the vertical flow direction does not have a turning flow guide pipe, and therefore the efficiency of the heat exchanger is improved. The sleeve structure of internal and external double convection increases heat exchange efficiency and simultaneously can effectively reduce thermal stress. The preparation materials of the heat conduction fluid pipe and the cold conduction fluid pipe are fluoroplastic materials, so that the heat conduction fluid pipe and the cold conduction fluid pipe have good corrosion resistance and heat conduction performance, and the normal operation and the service life of the internal and external double convection pipe type heat exchanger are ensured. The heat exchange flow guide sleeve group is fixed inside the heat exchanger shell through the constraint mechanism layered by the flow separation plate, so that the flow of cold fluid and hot fluid is effectively prevented from shaking the guide tube group, the reliability of the heat exchanger is improved, the structure is simple, the processing is easy, and the heat exchange flow guide sleeve is stable and reliable.
Drawings
FIG. 1 is a three-dimensional schematic diagram of an inner and outer double convection tube heat exchanger.
FIG. 2 is a schematic cross-sectional view of an inner and outer double convection tube heat exchanger.
Fig. 3 is a front view of the first baffle plate.
Fig. 4 is a front view of a second baffle.
Fig. 5 is a front view of a third baffle.
The figure shows:
1-a honeycomb duct middle supporting plate, 2-a shell, 3-a first heat exchange flow guide sleeve, 4-a second heat exchange flow guide sleeve, 5-a third heat exchange flow guide sleeve, 6-an end cover, 7-a fixing bolt, 8-a sealing gasket, 9-a first flow baffle, 10-a second flow baffle and 11-a third flow baffle; 12-cooled fluid inlet, 13-cooling fluid inlet, 14-cooled fluid outlet, 15-cooling fluid outlet.
Detailed Description
The purpose of the present invention is further illustrated by the following specific examples, which are not to be construed as limiting the invention in any way.
As shown in fig. 1 to 4, an inner and outer double convection tube type heat exchanger includes: the heat exchange flow guide sleeve comprises a stainless steel shell 2 with two sealed ends, four heat exchange flow guide sleeves uniformly arranged in the shell 2 along the axial direction, two first flow baffle plates 9, two second flow baffle plates 10 and two third flow baffle plates 11 symmetrically arranged in inner holes at the two ends of the shell 2 at intervals. The two ends of the shell 2 are sealed by end covers 6, sealing gaskets 8 and fixing bolts 7. Each heat exchange flow sleeve comprises a third heat exchange flow sleeve 5, a second heat exchange flow sleeve 4 and a first heat exchange flow sleeve 3 which are sleeved in sequence from inside to outside, wherein the pipe orifices at the two ends of the second heat exchange flow sleeve 4 symmetrically extend out of the pipe orifices at the two ends of the first heat exchange flow sleeve 3 for a certain distance, and the pipe orifices at the two ends of the third heat exchange flow sleeve 5 symmetrically extend out of the pipe orifices at the two ends of the second heat exchange flow sleeve 4 for a certain distance; the two third flow separation plates 11 are symmetrically and hermetically fixed between the inner wall of the shell 2 and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guiding sleeve 3, the two second flow separation plates 10 are symmetrically and hermetically fixed between the inner wall of the shell 2 and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guiding sleeve 4, the two first flow separation plates 9 are symmetrically and hermetically fixed between the inner wall of the shell 2 and the outer walls of the pipe orifices at the two ends of each third heat exchange flow guiding sleeve 5, one end outer wall of the shell 2 is provided with a cooling fluid inlet 13 which is simultaneously communicated with the third heat exchange flow guiding sleeve 5 and the corresponding ends of the first heat exchange flow guiding sleeve 3, a cooled fluid outlet 14 which is communicated with the corresponding ends of the second heat exchange flow guiding sleeve 4, and the other end outer wall is provided with a cooled fluid inlet 12 which is simultaneously communicated with the other end of the second heat exchange flow guiding sleeve 4 and the cooling fluid outlet 15 which is simultaneously communicated with the other end of the third heat exchange flow guiding sleeve 5 and the first heat exchange flow guiding sleeve 3.
The third heat exchange flow guide sleeve 5, the second heat exchange flow guide sleeve 4 and the first heat exchange flow guide sleeve 3 are coaxially arranged, so that uniform heat conduction and high heat transfer efficiency can be realized.
The third heat exchange flow sleeve 5, the second heat exchange flow sleeve 4 and the first heat exchange flow sleeve 3 are made of fluoroplastic.
The inner holes at two ends of the shell 2 are provided with a plurality of stepped holes matched with the diameters of the first flow baffle 9, the second flow baffle 10 and the third flow baffle 11. The outer peripheral walls of the first flow baffle 9, the second flow baffle 10 and the third flow baffle 11 are connected with the inner walls of the corresponding stepped holes through threads, so that the purpose of constraint and fixation is realized, and the flow baffle is simple in structure, easy to process, stable and reliable.
As shown in fig. 3 to 5, the middle parts of the first flow baffle 9, the second flow baffle 10 and the third flow baffle 11 are uniformly provided with a plurality of round holes which are respectively in sealing fit with the outer walls of the pipe orifices of the third heat exchange flow guide sleeve 5, the second heat exchange flow guide sleeve 4 and the first heat exchange flow guide sleeve 3. The round hole and the sealing fit of the third heat exchange flow guide sleeve 5, the second heat exchange flow guide sleeve 4 and the outer wall of the pipe orifice of the first heat exchange flow guide sleeve 3 are provided with threads, so that the purpose of constraint and fixation is realized, and the device is simple in structure, easy to process, stable and reliable.
In addition, the middle part of the inner hole of the shell 2 is fixedly provided with a round stainless steel flow guide pipe middle supporting plate 1 for supporting the heat exchange flow guide sleeve, and the periphery of the circumference of the flow guide pipe middle supporting plate 1 is fixedly connected with the inner wall of the shell 2 through threads. Four holes in interference fit with the first heat exchange flow guide sleeve 3 are uniformly formed in the middle of the middle supporting plate 1.
The working principle of the internal and external double convection tube type heat exchanger provided by the embodiment is as follows:
As shown in fig. 2, during the heat exchange process, the cooled fluid with higher temperature flows into each second heat exchange flow sleeve 4 from the cooled fluid inlet 12 and then flows out from the cooled fluid outlet 14; meanwhile, the cooling fluid with lower temperature flows into each third heat exchange flow guiding sleeve 5 and each first heat exchange flow guiding sleeve 3 respectively from the cooling fluid inlet 13, then flows out from the cooling fluid outlet 15, when the cooled fluid with higher temperature flows in each second heat exchange flow guiding sleeve 4, the cooling fluid with lower temperature flows reversely in each third heat exchange flow guiding sleeve 5 and each first heat exchange flow guiding sleeve 3 at the same time, and the cooled fluid with higher temperature is enveloped in the cooling fluid, so that the inner side and the outer side of the cooled fluid with higher temperature exchange heat with the cooling fluid with lower temperature at the same time.
The flow separation plates and the flow guide pipe middle support plates 1 can effectively prevent the cold fluid guide pipe and the hot fluid guide pipe from shaking caused by liquid flow, thereby improving the reliability of the internal-external double-convection heat exchanger;
the shell 2 and the middle support plate 1 of the honeycomb duct are made of corrosion-resistant stainless steel materials, so that the corrosion of the external environment can be prevented, the reliability of the heat exchanger is improved, and the service life of the heat exchanger is prolonged.
The above examples of the present invention are only for the purpose of clearly illustrating the present invention and are not to be construed as limiting the embodiments of the present invention. Other variations or modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention as set forth in the claims.
Claims (8)
1. An internal and external double convection tube heat exchanger, comprising: the heat exchange flow guide sleeve comprises a shell (2) with two sealed ends, a plurality of heat exchange flow guide sleeves uniformly arranged in the shell (2) along the axial direction, two first flow separation plates (9), two second flow separation plates (10) and two third flow separation plates (11) symmetrically arranged in inner holes at two ends of the shell (2), wherein each heat exchange flow guide sleeve comprises a third heat exchange flow guide sleeve (5), a second heat exchange flow guide sleeve (4) and a first heat exchange flow guide sleeve (3) which are sleeved in a clearance mode from inside to outside in sequence, pipe orifices at two ends of the second heat exchange flow guide sleeve (4) symmetrically extend out of pipe orifices at two ends of the first heat exchange flow guide sleeve (3) for a certain distance, and pipe orifices at two ends of the third heat exchange flow guide sleeve (5) symmetrically extend out of pipe orifices at two ends of the second heat exchange flow guide sleeve (4) for a certain distance; the two third flow separation plates (11) are symmetrically and hermetically fixed between the inner wall of the shell (2) and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guide sleeve (3), the two second flow separation plates (10) are symmetrically and hermetically fixed between the inner wall of the shell (2) and the outer walls of the pipe orifices at the two ends of each first heat exchange flow guide sleeve (3), and the two first flow separation plates (9) are symmetrically and hermetically fixed between the inner wall of the shell (2) and the outer walls of the pipe orifices at the two ends of each third heat exchange flow guide sleeve (5); the outer wall of one end of the shell (2) is provided with a cooling fluid inlet (13) which is simultaneously communicated with the corresponding ends of the third heat exchange flow guiding sleeve (5) and the first heat exchange flow guiding sleeve (3), a cooled fluid outlet (14) which is communicated with the corresponding end of the second heat exchange flow guiding sleeve (4), and the outer wall of the other end of the shell is provided with a cooled fluid inlet (12) which is simultaneously communicated with the other end of the second heat exchange flow guiding sleeve (4), and a cooling fluid outlet (15) which is simultaneously communicated with the third heat exchange flow guiding sleeve (5) and the other end of the first heat exchange flow guiding sleeve (3); the third heat exchange flow guide sleeve (5), the second heat exchange flow guide sleeve (4) and the first heat exchange flow guide sleeve (3) are coaxially arranged; the inner holes at two ends of the shell (2) are provided with a plurality of stepped holes matched with the diameters of the first flow baffle (9), the second flow baffle (10) and the third flow baffle (11).
2. The inner and outer double convection tube heat exchanger of claim 1, wherein: the third heat exchange flow sleeve (5), the second heat exchange flow sleeve (4) and the first heat exchange flow sleeve (3) are made of fluoroplastic.
3. The inner and outer double convection tube heat exchanger of claim 1, wherein: the outer peripheral walls of the first flow baffle plate (9), the second flow baffle plate (10) and the third flow baffle plate (11) are connected with the inner walls of the corresponding stepped holes through threads.
4. The inner and outer double convection tube heat exchanger of claim 1, wherein: the middle parts of the first flow baffle (9), the second flow baffle (10) and the third flow baffle (11) are uniformly provided with a plurality of round holes which are respectively in sealing fit with the outer walls of the pipe orifices of the third heat exchange flow guide sleeve (5), the second heat exchange flow guide sleeve (4) and the first heat exchange flow guide sleeve (3).
5. The inner and outer double convection tube heat exchanger of claim 4 wherein: the round holes are provided with threads in sealing fit with the outer walls of the pipe orifices of the third heat exchange flow guide sleeve (5), the second heat exchange flow guide sleeve (4) and the first heat exchange flow guide sleeve (3).
6. The inner and outer double convection tube heat exchanger of claim 1, wherein: the middle part of the inner hole of the shell (2) is fixedly provided with a round honeycomb duct middle supporting plate (1) for supporting the heat exchange flow guide sleeve, and the middle part of the middle supporting plate (1) is uniformly provided with a plurality of holes in interference fit with the first heat exchange flow guide sleeve (3).
7. The inner and outer double convection tube heat exchanger of claim 6, wherein: the periphery of the middle support plate (1) of the flow guide pipe is fixedly connected with the inner wall of the shell (2) through threads.
8. The inner and outer double convection tube heat exchanger of claim 1, wherein: the two ends of the shell (2) are sealed through end covers (6), sealing washers (8) and fixing bolts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218157.XA CN108387117B (en) | 2018-03-16 | 2018-03-16 | Internal and external double convection tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218157.XA CN108387117B (en) | 2018-03-16 | 2018-03-16 | Internal and external double convection tube type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108387117A CN108387117A (en) | 2018-08-10 |
| CN108387117B true CN108387117B (en) | 2024-05-24 |
Family
ID=63066555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218157.XA Active CN108387117B (en) | 2018-03-16 | 2018-03-16 | Internal and external double convection tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387117B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344768A (en) * | 2020-12-02 | 2021-02-09 | 山东利能换热器有限公司 | Pipe-communicated three-sleeve water storage secondary heating heat exchanger |
| CN112344769A (en) * | 2020-12-11 | 2021-02-09 | 山东利能换热器有限公司 | Header three-sleeve water storage secondary heating heat exchanger |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000227299A (en) * | 1999-02-04 | 2000-08-15 | Kamui Sangyo Kk | Multitubular heat exchanger |
| CN1400448A (en) * | 2001-08-01 | 2003-03-05 | 吕钢岭 | Internal and external double-channel fin tube and heat exchange using said fin tube |
| CN102636047A (en) * | 2012-05-04 | 2012-08-15 | 南京航空航天大学 | Multishell pass shell and tube type heat exchanger |
| CN103017580A (en) * | 2011-09-21 | 2013-04-03 | 中国科学院工程热物理研究所 | Three-fluid sleeve type heat-pipe heat exchanger |
| CN103206876A (en) * | 2013-03-29 | 2013-07-17 | 合肥通用机械研究院 | Honeycomb tubular type efficient heat exchanger with fine channels |
| CN205102639U (en) * | 2015-11-13 | 2016-03-23 | 新奥科技发展有限公司 | Shell -and -tube heat exchanger |
| CN105937857A (en) * | 2016-06-29 | 2016-09-14 | 上海电气凯士比核电泵阀有限公司 | Shell-and-tube heat exchanger suitable for three-fluid heat exchange |
| CN206321093U (en) * | 2016-11-16 | 2017-07-11 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | A kind of inner fin double pipe heat exchanger and heat-exchange system |
| CN208567597U (en) * | 2018-03-16 | 2019-03-01 | 华南理工大学 | Double convection current pipe heat exchangers inside and outside one kind |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2975353A1 (en) * | 2014-07-16 | 2016-01-20 | Casale SA | Shell and tube heat exchangers |
-
2018
- 2018-03-16 CN CN201810218157.XA patent/CN108387117B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000227299A (en) * | 1999-02-04 | 2000-08-15 | Kamui Sangyo Kk | Multitubular heat exchanger |
| CN1400448A (en) * | 2001-08-01 | 2003-03-05 | 吕钢岭 | Internal and external double-channel fin tube and heat exchange using said fin tube |
| CN103017580A (en) * | 2011-09-21 | 2013-04-03 | 中国科学院工程热物理研究所 | Three-fluid sleeve type heat-pipe heat exchanger |
| CN102636047A (en) * | 2012-05-04 | 2012-08-15 | 南京航空航天大学 | Multishell pass shell and tube type heat exchanger |
| CN103206876A (en) * | 2013-03-29 | 2013-07-17 | 合肥通用机械研究院 | Honeycomb tubular type efficient heat exchanger with fine channels |
| CN205102639U (en) * | 2015-11-13 | 2016-03-23 | 新奥科技发展有限公司 | Shell -and -tube heat exchanger |
| CN105937857A (en) * | 2016-06-29 | 2016-09-14 | 上海电气凯士比核电泵阀有限公司 | Shell-and-tube heat exchanger suitable for three-fluid heat exchange |
| CN206321093U (en) * | 2016-11-16 | 2017-07-11 | 青海黄河上游水电开发有限责任公司光伏产业技术分公司 | A kind of inner fin double pipe heat exchanger and heat-exchange system |
| CN208567597U (en) * | 2018-03-16 | 2019-03-01 | 华南理工大学 | Double convection current pipe heat exchangers inside and outside one kind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108387117A (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204007233U (en) | The U-shaped pipe heat exchanger of a kind of continuous helical deflecting plate | |
| LU102100B1 (en) | Portable heat exchange device having arrayed planar elastic vortex tubes | |
| CN108387117B (en) | Internal and external double convection tube type heat exchanger | |
| JP2021502540A (en) | Heat Exchange Tube with Outer Fins and Its Usage This disclosure was submitted to the Japan Patent Office on December 22, 2017, with an application number of 201711410324.2 and the title of the invention is "heat exchange tube with outer fins and its use. The method claims the priority of the application, the entire contents of which are incorporated herein by reference. | |
| CN204923968U (en) | Vortex is adverse current double -pipe heat exchanger entirely | |
| LU102099B1 (en) | Miniature spiral wound elastic tube heat exchanger | |
| CN211317023U (en) | Silicon carbide double-tube-plate heat exchanger | |
| CN203501883U (en) | Heat exchanger with support plates | |
| CN210089474U (en) | U-shaped pipe heat exchange assembly | |
| CN208567597U (en) | Double convection current pipe heat exchangers inside and outside one kind | |
| CN210638549U (en) | Small-size spiral winding elasticity tubular heat exchanger | |
| CN212747427U (en) | Compact micro-channel heat pipe exchanger | |
| CN201764885U (en) | Floor heating heat-exchange pipeline | |
| CN212645428U (en) | Fluoroplastic frame type heat exchanger | |
| CN211782915U (en) | High-efficiency heat exchanger | |
| CN210862348U (en) | Tube-plate heat exchanger head | |
| CN113804020A (en) | Baffling snakelike copper pipe heat transfer device | |
| CN208398684U (en) | A kind of anti-leak double tube plate heat exchanger | |
| CN215373620U (en) | Novel shell-and-tube heat exchanger | |
| CN112484529A (en) | Robot arm is with heat dissipation aluminum pipe | |
| CN211874560U (en) | Oil cooler and steam turbine | |
| CN201780040U (en) | Silicon carbide honeycomb ceramic heat exchanger | |
| CN216845768U (en) | Finned tube heat exchanger | |
| CN210400063U (en) | U-shaped tube heat exchanger | |
| CN211876837U (en) | Tube sheet subassembly and heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |