CN108645246A - A kind of heat exchanger - Google Patents
A kind of heat exchanger Download PDFInfo
- Publication number
- CN108645246A CN108645246A CN201810683687.1A CN201810683687A CN108645246A CN 108645246 A CN108645246 A CN 108645246A CN 201810683687 A CN201810683687 A CN 201810683687A CN 108645246 A CN108645246 A CN 108645246A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- webmaster
- cryogen
- heat
- mesh
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 230000008676 import Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 239000013535 sea water Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 10
- 238000010612 desalination reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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
Include circulation duct, the mesh duct in circulation duct for making high temperature fluid pass through for making cryogen pass through the invention discloses a kind of heat exchanger；Mesh duct include be set up in parallel and intercommunication first heat exchange webmaster and second heat exchange webmaster；It is used to make the first mesh that cryogen passes through to be staggered with the second mesh for making cryogen pass through on the second heat exchange webmaster on first heat exchange webmaster；Mesh duct includes for making the entrance, the outlet for making the cryogen after heat exchange be flowed out out of the first heat exchange webmaster and the second heat exchange webmaster that cryogen flows into the first heat exchange webmaster and the second heat exchange webmaster.The heat exchanger of the present invention, the flowing of the cryogen flowed through from circulation duct can be given to provide resistance, there is the effect for slowing down flow velocity and flow-disturbing to cryogen, and also improve the contact heat-exchanging area of cryogen and high temperature fluid, and the flow of high temperature fluid is made to increase, finally improve the heat exchange efficiency of heat exchanger.
Description
Technical field
The present invention relates to field of sea water desalting technology, and in particular to a kind of heat exchanger.
Background technology
Heat exchanger is that one kind realizing heat transfer between two classes or the above different temperatures fluid of two classes, so that heat is by height
Warm fluid passes to cryogen, to make cryogen reach required target temperature or high temperature fluid cooling, be finally reached
Process requirements.Heat exchanger is a kind of utilization secondary energy sources, realize waste heat recovery, energy saving and improve energy utilization rate and set
Standby, the market demand is big, is widely used in the fields such as ship, oil, chemical industry, refrigerating machine.
Multiple-effect distillation device can be generally arranged in existing seawater desalination system, last effect of the multiple-effect distillation device can produce
Raw fresh water hot steam；And seawater desalination system in order in cooling and the collection for realizing fresh water hot steam, to flowing into multi-effect distilling system
During the material seawater of system is preheated, improve efficiency of energy utilization with energy saving, generally can multi-effect distillation system most
Heat exchanger is arranged with the intersection for extracting material seawater pipeline in latter effect；The heat exchanger is that a kind of first fluid is that heat is steamed
Vapour, the heat exchanger that second fluid is seawater.
Existing heat exchanger type and structure are various, and it is big can be divided into shell-and-tube, dividing wall type, hybrid and heat storage type four
Class.Wherein, shell-and-tube exchanger is relatively conventional, is made of shell, tube bank, tube sheet and end socket, and hot friendship is carried out in shell
The two kinds of fluids changed, respectively flowing in pipe and outside pipe, the heat-transfer area by tube bank carry out heat exchange；And Jian Bishi heat exchangers
It is that the fluid of two kinds of different temperatures is separated by wall surface and in the spatial flow that wall surface separates, is existed by the heat conduction and fluid of wall surface
The convection current of wall surface carries out the heat exchange of fluid.
A kind of recuperative heat exchanger applied to seawater desalination system exists in the prior art, which includes using
In so that seawater is passed through straight pipe, the web plate pipe for making hot steam pass through, web plate pipe is present in straight pipe；Due to first-class
During body heat steam circulates in web plate pipe, can pass through web plate switching tube coupling mouth start to shunt, can make in this way hot steam without
It is limited to, close to straight pipe is full of, to realize and carry out heat exchange with the seawater in straight pipe.But such recuperative heat exchanger can be deposited
：Fluid flow rate is too fast, and relative retention time is too short, is not grown with heat-transfer area time of contact, and heat exchange effect is not ideal enough, and heat is handed over
It changes less efficient.
Invention content
In order to overcome existing heat exchanger there are the relatively low technical problem of heat exchanger effectiveness, the present invention provides a kind of novel
Heat exchanger, can make two kinds of abundant heat convections of fluid, increase heat exchanger time, improve heat exchanger effectiveness.
To achieve the above object, a kind of heat exchanger provided by the present invention includes the stream for making cryogen pass through
It threads a pipe, the mesh duct in the circulation duct for making high temperature fluid pass through；
The mesh duct include be set up in parallel and intercommunication first heat exchange webmaster and second heat exchange webmaster；Described first changes
It is used to make cryogen logical on webmaster for making the first mesh that cryogen passes through exchange heat with described second on heat supply network pipe
The second mesh crossed is staggered；
The mesh duct includes for making cryogen flow into the first heat exchange webmaster and the second heat exchange webmaster
Entrance, the outlet for making the cryogen after heat exchange be flowed out out of the first heat exchange webmaster and the second heat exchange webmaster.
In above-mentioned heat exchanger, the first heat exchange webmaster includes the first import being connected to the entrance, three cross, three row
And pipeline, the first outlet of intercommunication；
The second heat exchange webmaster includes the second import being connected to the entrance, the pipeline of four horizontal twos and intercommunication, the
Two outlets.
In above-mentioned heat exchanger, if the mesh duct includes the first heat exchange webmaster and the second heat exchange net of dried layer
Pipe, the first heat exchange webmaster are staggeredly set up in parallel with the second heat exchange webmaster in the circulation duct.
In above-mentioned heat exchanger, the circulation duct hangs down with plane where the first heat exchange webmaster and the second heat exchange webmaster
Directly.
The heat exchanger of the present invention has the advantages that compared with prior art：
Since the mesh duct for passing through high temperature fluid in heat exchanger is set in the circulation duct for making cryogen pass through,
And the use on the first mesh and the second heat exchange webmaster for making cryogen pass through on the first heat exchange webmaster of mesh duct
It is staggered in the second mesh for making cryogen pass through, so, the first heat exchange webmaster of mesh duct and the second heat exchange webmaster
Be overlapping and can provide resistance to the flowing of cryogen flowed through from circulation duct, have to cryogen and slow down flow velocity
With the effect of flow-disturbing；Moreover, the first heat exchange webmaster and the second being overlapping for webmaster of heat exchange can also make mesh duct fully sharp
With space in the pipe of circulation duct, to improve the contact heat-exchanging area of cryogen and high temperature fluid to the maximum extent, in turn
Improve the heat exchange efficiency of heat exchanger；
Moreover, because in mesh duct first heat exchange webmaster and second heat exchange webmaster network-like structure feature so that net
Shape pipeline can shunt high temperature fluid, and because the effect of heat exchange webmaster pressure difference makes the flow velocity of high temperature fluid obviously increase
By force, the flow of high temperature fluid can be made to increase in this way, heat increases, and then further increases the heat exchange efficiency of heat exchanger.
Description of the drawings
Fig. 1 is the structural schematic diagram of the first heat exchange webmaster and circulation duct of the heat exchanger of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the second heat exchange webmaster and circulation duct of the heat exchanger of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram one of the heat exchanger of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of the heat exchanger of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram three of the heat exchanger of the embodiment of the present invention.
Wherein, 1, circulation duct；2, mesh duct；21, the first heat exchange webmaster；211, the first mesh；212, the first import；
213, first outlet；22, the second heat exchange webmaster；221, the second mesh；222, the second import；223, second outlet；23, entrance；
24, it exports.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In conjunction with shown in Fig. 1 to Fig. 5, a kind of heat exchanger provided by the present invention, includes for making cryogen pass through
Circulation duct 1, the mesh duct 2 in circulation duct 1 for making high temperature fluid pass through；
Mesh duct 2 include be set up in parallel and intercommunication first heat exchange webmaster 21 and second exchange heat webmaster 22；First heat exchange
It is used to make cryogen logical for making the first mesh 211 and second that cryogen passes through exchange heat on webmaster 22 on webmaster 21
The second mesh 221 crossed is staggered；
Mesh duct 2 includes for making cryogen flow into the entrance that the first heat exchange webmaster 21 and second exchanges heat in webmaster 22
23, for making the cryogen after heat exchange exchange heat the outlet 24 flowed out in webmaster 22 from the first heat exchange webmaster 21 and second.
In conjunction with shown in Fig. 1 to Fig. 5, it is preferable that first heat exchange webmaster 21 include the first import 212 being connected to entrance 23,
Three cross, three row and pipeline, the first outlet 213 of intercommunication；
Second heat exchange webmaster 22 includes the pipeline of the second import 222, four horizontal twos and the intercommunication that are connected to entrance 23, second
Outlet 223.
In conjunction with shown in Fig. 1 to Fig. 5, it is preferable that if the first heat exchange webmaster 21 and second that mesh duct 2 includes dried layer exchanges heat
Webmaster 22, the first heat exchange webmaster 21 are staggeredly set up in parallel with the second heat exchange webmaster 22 in circulation duct 1.
Preferably, circulation duct 1 is vertical with the first heat exchange heat exchange of webmaster 21 and second 22 place plane of webmaster.
With reference to Fig. 1 to Fig. 5, operation principle when in the present embodiment heat exchanger application to seawater desalination system into
Row brief description.Wherein, Fig. 3 includes that two layers first heat exchange webmasters 21 and one layer second exchange heat to heat exchanger shown in fig. 5
Webmaster 22；Certainly, in other embodiments, the first heat exchange heat exchange webmaster 22 of webmaster 21 and second can be other quantity layer.
From the fresh water hot steam (high temperature fluid) that last effect of the multiple-effect distillation device of seawater desalination system generates from net
The entrance 23 of shape pipeline 2 enters, and punishes and flows in entrance 23, one dividing into three, separately flows into the first heat exchange webmaster 21, second heat exchange net
The heat exchange webmaster 21 of pipe 22, first；
Hot steam (high temperature fluid) is separately flowing into the first heat exchange webmaster 21, second heat exchange heat exchange webmaster of webmaster 22, first
After 21, in the case where the internal diameter of the pipeline of intake velocity and each heat exchange webmaster is constant, then the first heat exchange webmaster 21, second are changed
Pressure in the heat exchange webmaster 21 of heat supply network pipe 22, first is lower than pressure at the entrance 23 of mesh duct 2；The low then gas flow rate of air pressure
It becomes faster, i.e. hot steam (high temperature fluid) intake velocity at the entrance 23 of mesh duct 2 becomes faster, and can accelerate so new and old in pipeline
The change of gas；
Hot steam (high temperature fluid) after carrying out heat exchange with the material seawater (cryogen) in circulation duct 1, steam by heat
Vapour (high temperature fluid) condensation is flowed out as liquid from the outlet of mesh duct 2 24, and water can be formed at the outlet 24 of mesh duct 2
Envelope；Due to belonging to gas intersection at the outlet 24 of mesh duct 2, when 24 flow rate of liquid of the outlet of mesh duct 2, one timing, gas
Body gathers, and air pressure is got higher, and the liquid at the outlet 24 of mesh duct 2 can be pushed to flow, and is conducive to accelerate to collect fresh water；
During heat exchange, the material seawater (cryogen) in threading a pipe is first from the first heat exchange webmaster 21 of side
The first mesh 211 (both sides of the first heat exchange 21 pipeline of webmaster) flow to the second heat exchange webmaster 22 of middle, in the process,
The material seawater (cryogen) flowed through from the first mesh 211 of the first heat exchange webmaster 21 can be by the pipeline of the second heat exchange webmaster 22
Stopped so that second mesh 221 (second heat exchange webmaster 22 pipeline of the material seawater (cryogen) from the second heat exchange webmaster 22
Both sides) flow to the other side first heat exchange webmaster 21；During flowing, material seawater (cryogen) can again
Stop that material seawater (cryogen) shunts again by the first heat exchange 21 pipeline of webmaster；Thus reciprocal, material seawater (low temperature
Fluid) flowing velocity can slow down, can make in this way material seawater (cryogen) can with mesh duct 2 (first heat exchange net
Pipe 21, second exchange heat webmaster 22) heat exchange time of contact it is longer, improve heat exchange efficiency.
To sum up, heat exchanger of the invention has the advantages that compared with prior art：
Since the mesh duct 2 for passing through high temperature fluid in heat exchanger is set to the circulation duct 1 for making cryogen pass through
It is interior, and the first mesh 211 and second heat exchange net for making cryogen pass through on the first heat exchange webmaster 21 of mesh duct 2
The second mesh 221 for making cryogen pass through on pipe 22 is staggered, so, the first heat exchange webmaster of mesh duct 2
21 and second being overlapping for heat exchange webmaster 22 can provide resistance to the flowing of cryogen flowed through from circulation duct 1,
There is the effect for slowing down flow velocity and flow-disturbing to cryogen；The staggeredly weight of webmaster 22 moreover, the first heat exchange webmaster 21 and second exchanges heat
It is folded that mesh duct 2 can also be made to make full use of space in the pipe of circulation duct 1, to improve cryogen and height to the maximum extent
The contact heat-exchanging area of warm fluid, and then improve the heat exchange efficiency of heat exchanger；
Moreover, because in mesh duct 2 first heat exchange webmaster 21 and second exchange heat webmaster 22 network-like structure feature, make
High temperature fluid can be shunted by obtaining mesh duct 2, and because the effect of heat exchange webmaster pressure difference keeps the flow velocity of high temperature fluid bright
Aobvious enhancing, can be such that the flow of high temperature fluid increases in this way, and heat increases, and then further increase the heat exchange effect of heat exchanger
Rate.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace and also answer
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of heat exchanger, which is characterized in that include for making circulation duct that cryogen passes through, being set to the runner pipe
For making the mesh duct that high temperature fluid passes through in road；
The mesh duct include be set up in parallel and intercommunication first heat exchange webmaster and second heat exchange webmaster；The first heat exchange net
It on webmaster is used to that cryogen to be made to pass through for making the first mesh that cryogen passes through exchange heat with described second on pipe
Second mesh is staggered；
The mesh duct include for make cryogen flow into it is described first heat exchange webmaster and second heat exchange webmaster in entrance,
Outlet for making the cryogen after heat exchange be flowed out out of the first heat exchange webmaster and the second heat exchange webmaster.
2. heat exchanger as described in claim 1, which is characterized in that the first heat exchange webmaster includes being connected to the entrance
The first import, three cross three row and intercommunication pipeline, first outlet；
The second heat exchange webmaster includes the second import being connected to the entrance, the pipeline of four horizontal twos and intercommunication, second goes out
Mouthful.
3. heat exchanger as claimed in claim 1 or 2, which is characterized in that if the mesh duct includes described the of dried layer
One heat exchange webmaster and the second heat exchange webmaster, the first heat exchange webmaster are handed over the second heat exchange webmaster in the circulation duct
Mistake is set up in parallel.
4. heat exchanger as described in claim 1, which is characterized in that the circulation duct exchanges heat webmaster and the with described first
Plane where two heat exchange webmasters is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683687.1A CN108645246A (en) | 2018-06-27 | 2018-06-27 | A kind of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810683687.1A CN108645246A (en) | 2018-06-27 | 2018-06-27 | A kind of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645246A true CN108645246A (en) | 2018-10-12 |
Family
ID=63750137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810683687.1A Pending CN108645246A (en) | 2018-06-27 | 2018-06-27 | A kind of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645246A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907411A (en) * | 2010-09-03 | 2010-12-08 | 刘小江 | Pore plate cascade type heat exchange device |
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| CN102427320A (en) * | 2012-01-01 | 2012-04-25 | 章世斌 | Superconducting fluid heat transfer thermoelectric generator |
| CN202274779U (en) * | 2011-10-08 | 2012-06-13 | 南京华电节能环保设备有限公司 | Solid particle heat exchange device and system |
| CN203364637U (en) * | 2013-05-13 | 2013-12-25 | 无锡特莱姆气体设备有限公司 | Continuous air-supplying large air-temperature type vaporizer |
| CN203976432U (en) * | 2014-07-16 | 2014-12-03 | 天津锐马兰盾科技有限公司 | A kind of distillation device |
| CN105486123A (en) * | 2015-12-24 | 2016-04-13 | 上海理工大学 | S-shaped heat exchange pipe bundle |
| CN205825595U (en) * | 2016-06-15 | 2016-12-21 | 成都昊特新能源技术股份有限公司 | Fluidized bed drying device |
| CN106767038A (en) * | 2016-11-28 | 2017-05-31 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN207501746U (en) * | 2017-11-09 | 2018-06-15 | 南京金永泰电器有限公司 | A kind of double-tube type heat exchanger |
| CN208520233U (en) * | 2018-06-27 | 2019-02-19 | 广州航海学院 | A kind of heat exchanger |
-
2018
- 2018-06-27 CN CN201810683687.1A patent/CN108645246A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907411A (en) * | 2010-09-03 | 2010-12-08 | 刘小江 | Pore plate cascade type heat exchange device |
| CN102322752A (en) * | 2011-08-01 | 2012-01-18 | 西安交通大学 | Heat exchanger |
| CN202274779U (en) * | 2011-10-08 | 2012-06-13 | 南京华电节能环保设备有限公司 | Solid particle heat exchange device and system |
| CN102427320A (en) * | 2012-01-01 | 2012-04-25 | 章世斌 | Superconducting fluid heat transfer thermoelectric generator |
| CN203364637U (en) * | 2013-05-13 | 2013-12-25 | 无锡特莱姆气体设备有限公司 | Continuous air-supplying large air-temperature type vaporizer |
| CN203976432U (en) * | 2014-07-16 | 2014-12-03 | 天津锐马兰盾科技有限公司 | A kind of distillation device |
| CN105486123A (en) * | 2015-12-24 | 2016-04-13 | 上海理工大学 | S-shaped heat exchange pipe bundle |
| CN205825595U (en) * | 2016-06-15 | 2016-12-21 | 成都昊特新能源技术股份有限公司 | Fluidized bed drying device |
| CN106767038A (en) * | 2016-11-28 | 2017-05-31 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN207501746U (en) * | 2017-11-09 | 2018-06-15 | 南京金永泰电器有限公司 | A kind of double-tube type heat exchanger |
| CN208520233U (en) * | 2018-06-27 | 2019-02-19 | 广州航海学院 | A kind of heat exchanger |
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| PB01 | Publication | ||
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Application publication date: 20181012 |