CN108387117A - Double convection current pipe heat exchangers inside and outside one kind - Google Patents
Double convection current pipe heat exchangers inside and outside one kind Download PDFInfo
- Publication number
- CN108387117A CN108387117A CN201810218157.XA CN201810218157A CN108387117A CN 108387117 A CN108387117 A CN 108387117A CN 201810218157 A CN201810218157 A CN 201810218157A CN 108387117 A CN108387117 A CN 108387117A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- flow guiding
- casing tube
- exchange flow
- guiding casing
- 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 24
- 239000012809 cooling fluid Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 8
- 229920002313 fluoropolymer Polymers 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008642 heat stress Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 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
Abstract
The invention discloses double convection current pipe heat exchangers inside and outside one kind, include the shell of both ends sealing, several heat exchange flow guiding casing tubes being arranged in shell, it is symmetrically spaced two the first cutoff boards being arranged in the endoporus of shell both ends, two the second cutoff boards, two third cutoff boards, each heat exchange flow guiding casing tube includes the third heat exchange flow guiding casing tube that gap is nested successively from inside to outside, second heat exchange flow guiding casing tube, first heat exchange flow guiding casing tube, shell one end outer wall is provided with the cooling fluid inlet of connection third heat exchange flow guiding casing tube and the first heat exchange flow guiding casing tube respective end, the cooled fluid outlet of connection the second heat exchange flow guiding casing tube respective end, other end outer wall is provided with the cooled fluid inlet of connection the second heat exchange flow guiding casing tube other end, it is connected to the cooling fluid outlet of third heat exchange flow guiding casing tube and the first heat exchange flow guiding casing tube other end.Space availability ratio of the present invention is high, heat conduction is uniform, heat transfer efficiency is high, easy processing simple in structure, reliable and stable long lifespan.
Description
Technical field
The present invention relates to a kind of heat exchanger more particularly to a kind of Efficient heat exchangers based on double convection current.
Background technology
Double pipe heat exchanger is to be enclosed in the wall surface of tube wall in shell as the recuperative heat exchanger of heat-transfer area, mesh
It is preceding commonly mainly to have 3 type of fixed tube sheet type, floating head type and U-tube formula.Since shell-and-tube heat exchanger can use various metals
Material manufacture, has firm in structure, and operating flexibility is big, and the degree of reliability is high, applied widely, can make under high temperature and high pressure environment
With, therefore obtain extensive use in numerous industries such as oil, chemical industry, light industry, metallurgy, electric power.
Currently, domestic there are two in terms of shell-and-tube heat exchanger is mainly being studied in terms of improving its efficiency：It improves and passes
Hot coefficient and high logarithmic mean temperature difference (LMTD).In terms of improving heat transfer coefficient can improved aspect have：Improve the surface heat transfer of plate
Coefficient；Reduce schmutzband thermal resistance；The guide card for selecting thermal conductivity high；Reduce sheet etc..Reduce schmutzband thermal resistance to be often limited
In technical conditions；Often cost is higher in the heat exchanger applications such as large size, mass occasion for the guide card for selecting thermal conductivity high；Reduce plate
Piece thickness receives the pressure of transported liquid and the limitation of bearing capacity, often extremely limited in terms of improvement.
Invention content
The present invention is directed to prior art background described problem, it is proposed that one kind can increase heat transfer efficiency, reduce heat exchanger
Novel inside and outside double convection current pipe heat exchangers that volume, realization precisely exchange heat.
The present invention adopts the following technical scheme that realization：
A kind of novel inside and outside double convection current tubular types for increasing heat transfer efficiency, reducing under identical heat exchanger power heat exchanger volume are changed
Hot device is made of shell, end cap, fixing bolt, heat exchange diversion pipe, cutoff board, intermediate support plate, seal washer etc..
To achieve the above object, the present invention adopts the following technical scheme that：
Double convection current pipe heat exchangers inside and outside one kind, including：The Stainless Steel Shell of both ends sealing is uniformly arranged on the shell in an axial direction
Internal several heat exchange flow guiding casing tubes are symmetrically spaced two the first cutoff boards, two being arranged in the endoporus of the shell both ends
A second cutoff board, two third cutoff boards, each flow guiding casing tube that exchanges heat include the third that gap is nested successively from inside to outside
Exchange heat flow guiding casing tube, the second heat exchange flow guiding casing tube, the first heat exchange flow guiding casing tube, the nozzle at second heat exchange flow guiding casing tube both ends
Symmetrically stretch out the nozzle a distance at first heat exchange flow guiding casing tube both ends, the pipe at third heat exchange flow guiding casing tube both ends
Mouth symmetrically stretches out the nozzle a distance at second heat exchange flow guiding casing tube both ends；Described two third cutoff boards are symmetrically close
Sealing is scheduled between the inner walls and the nozzle outer wall at each first heat exchange flow guiding casing tube both ends, described two second cutoff boards
Symmetrically sealing is fixed between the inner walls and the nozzle outer wall at each first heat exchange flow guiding casing tube both ends, and described two the
One cutoff board, which symmetrically seals, to be fixed between the inner walls and the nozzle outer wall at each third heat exchange flow guiding casing tube both ends；Institute
State the cooling stream that shell one end outer wall was provided with while being connected to third heat exchange flow guiding casing tube and the first heat exchange flow guiding casing tube respective end
The cooled fluid outlet of body entrance, connection the second heat exchange flow guiding casing tube respective end, other end outer wall are provided with connection institute
State the cooled fluid inlet of the second heat exchange flow guiding casing tube other end at the same be connected to third heat exchange flow guiding casing tube and first heat exchange lead
Flow the cooling fluid outlet of the casing other end.
Further, third heat exchange flow guiding casing tube, the second heat exchange flow guiding casing tube, the first heat exchange flow guiding casing tube are coaxial
Setting realizes that heat conduction is uniform, and heat transfer efficiency is high.
Further, third heat exchange flow guiding casing tube, the second heat exchange flow guiding casing tube, the first heat exchange flow guiding casing tube material
For fluoroplastics.
Further, be provided in the endoporus at the shell both ends it is several with the first cutoff board, the second cutoff board, third every
The stepped hole that the diameter of flowing plate matches.
Further, periphery wall and the corresponding stepped hole of first cutoff board, the second cutoff board, third cutoff board
Inner wall is connected by screw thread.
Further, first cutoff board, the second cutoff board, third cutoff board middle part are evenly arranged with several difference
The circular hole coordinated with third heat exchange flow guiding casing tube, the second heat exchange flow guiding casing tube, the first heat exchange flow guiding casing tube nozzle outer wall sealing.
Further, the circular hole and third heat exchange flow guiding casing tube, the second heat exchange flow guiding casing tube, the first heat exchange flow guide sleeve
The sealing cooperation of pipe nozzle outer wall is both provided with screw thread.
Further, it is fixedly installed in the middle part of the shell inner hole and is used to support the round stainless steel of heat exchange flow guiding casing tube and leads
Flow tube intermediate support plate, the intermediate support plate middle part are evenly arranged with several and the first heat exchange flow guiding casing tube interference fit
Hole.
Further, the diversion pipe intermediate support plate periphery is fixedly connected by screw thread with inner walls.
Further, the shell both ends are sealed by end cap, seal washer and fixing bolt.
Compared with prior art, the present invention has the advantages that：
Inside and outside double convection current tubular type outer cover of heat exchanger of the present invention and support member select stainless steel when preparing, and can prevent corruption
Erosion, improves the reliability of heat exchanger, increases the service life of heat exchanger.The heat-conducting fluid pipe and conduction cooling fluid hose is prepared into
Straight line pipeline, and radially gather inside the outer cover of heat exchanger, space availability ratio is high, flows to the diversion pipe not turned round vertically
Reduce the circulation time of hot fluid and cold fluid in heat exchanger, to increase efficiency of heat exchanger.Inside and outside double convection current
Sleeve structure increases heat exchange efficiency, while can effectively reduce thermal stress.The system of the heat-conducting fluid pipe and conduction cooling fluid hose
Standby material is fluorine plastic material, therefore it is with good corrosion resistance and heat conductivility, to ensure that inside and outside double convection current
The normal work and service life of pipe heat exchanger.The constraint mechanism that the heat exchange flow guiding casing tube group is layered by cutoff board
It is fixed on inside outer cover of heat exchanger, effectively prevent the flowing of cold fluid and hot fluid to generate shake to conduit group, to improve
The reliability of heat exchanger, simple in structure, easy processing are reliable and stable.
Description of the drawings
Double convection current pipe heat exchanger schematic three dimensional views inside and outside Fig. 1.
Fig. 2 is inside and outside double convection current pipe heat exchanger schematic cross-sectional views.
Fig. 3 is the first cutoff board front view.
Fig. 4 is the second cutoff board front view.
Fig. 5 is third cutoff board front view.
It is as shown in the figure：
1-diversion pipe intermediate support plate, 2-shells, the 3-the first heat exchange flow guiding casing tube, the 4-the second heat exchange flow guiding casing tube, 5-the
Three heat exchange flow guiding casing tubes, 6-end caps, 7-fixing bolts, 8-seal washers, the 9-the first cutoff board, the 10-the second cutoff board,
11-third cutoff boards；It is 12-cooled fluid inlets, 13-cooling fluid inlets, 14-cooled fluid outlets, 15-cold
But fluid outlet.
Specific implementation mode
The purpose of the present invention is done below by specific embodiment and is illustrated in further detail, embodiment cannot herein one by one
It repeats, but therefore embodiments of the present invention are not defined in following embodiment.
As shown in Figures 1 to 4, double convection current pipe heat exchangers inside and outside one kind, including：The Stainless Steel Shell 2 of both ends sealing, edge
Axially be uniformly arranged in the shell 2 four heat exchange flow guiding casing tubes, be symmetrically spaced and be arranged in 2 both ends endoporus of the shell
In two the first cutoff boards, 9, two the second cutoff boards 10 and two third cutoff boards 11.2 both ends of the shell pass through end cap
6, seal washer 8 and fixing bolt 7 are sealed.Each heat exchange flow guiding casing tube third that gap is nested successively from inside to outside is changed
The heat exchange heat exchange flow guiding casing tube 3 of flow guiding casing tube 4, first of thermally induced flow casing 5, second, the pipe at the second heat exchange flow guiding casing tube, 4 both ends
Mouth symmetrically stretches out the nozzle a distance at the first heat exchange flow guiding casing tube, 3 both ends, 5 both ends of the third heat exchange flow guiding casing tube
Nozzle symmetrically stretch out the nozzle a distance at second heat exchange flow guiding casing tube 4 both ends；Described two third cutoff boards 11
Symmetrically sealing is fixed between the nozzle outer wall at 3 both ends of 2 inner wall of the shell and each first heat exchange flow guiding casing tube, described two
Second cutoff board 10 symmetrically seals the nozzle outer wall for being fixed on 4 both ends of 2 inner wall of the shell and each first heat exchange flow guiding casing tube
Between, described two first cutoff boards 9, which symmetrically seal, is fixed on 2 inner wall of the shell and each third 5 liang of flow guiding casing tube of heat exchange
Between the nozzle outer wall at end, 2 one end outer wall of the shell is provided with while being connected to the third heat exchange heat exchange of flow guiding casing tube 5 and first and leads
Flow the cooling fluid inlet 13 of 3 respective end of casing, the cooled fluid outlet of connection the second heat exchange 4 respective end of flow guiding casing tube
14, other end outer wall is provided with the cooled fluid inlet 12 for being connected to the second heat exchange 4 other end of flow guiding casing tube while being connected to
The cooling fluid outlet 15 of third heat exchange heat exchange 3 other end of flow guiding casing tube of flow guiding casing tube 5 and first.
The third heat exchange heat exchange heat exchange flow guiding casing tube 3 of flow guiding casing tube 4, first of flow guiding casing tube 5, second is coaxially disposed,
It is uniform that heat conduction can be achieved, heat transfer efficiency is high.
The third heat exchange flow guiding casing tube 5, second exchanges heat heat exchange 3 material of flow guiding casing tube of flow guiding casing tube 4, first as fluorine modeling
Material.
Several and the first cutoff board 9, the second cutoff board 10, third cutoff board are provided in the endoporus at 2 both ends of the shell
The stepped hole that 11 diameter matches.First cutoff board 9, the second cutoff board 10, third cutoff board 11 periphery wall with
The inner wall of corresponding stepped hole is connected by screw thread, and to realize the fixed purpose of constraint, simple in structure, easy processing, stabilization can
It leans on.
As shown in Fig. 3 to 5, first cutoff board 9, the second cutoff board 10,11 middle part of third cutoff board are uniformly arranged
There are several heat exchange 3 nozzle outer wall of flow guiding casing tube sealings of flow guiding casing tubes 4, first that exchange heat respectively with third heat exchange flow guiding casing tube 5, second
The circular hole of cooperation.The circular hole and the third heat exchange heat exchange heat exchange flow guiding casing tube 3 of flow guiding casing tube 4, first of flow guiding casing tube 5, second
The sealing cooperation of nozzle outer wall is both provided with screw thread, and to realize the fixed purpose of constraint, simple in structure, easy processing, stabilization can
It leans on.
In addition, being fixedly installed the round stainless steel diversion for being used to support heat exchange flow guiding casing tube in the middle part of 2 endoporus of the shell
Pipe intermediate support plate 1,1 periphery of diversion pipe intermediate support plate are fixedly connected by screw thread with 2 inner wall of shell.In described
Between the middle part of support plate 1 be uniformly arranged there are four and the hole that is interference fitted of the first heat exchange flow guiding casing tube 3.
Inside and outside double convection current pipe heat exchanger operation principles that above-described embodiment provides are as follows：
As shown in Fig. 2, in heat transfer process, the higher cooled fluid of temperature flows into each second heat exchange from cooled fluid inlet 12
Then flow guiding casing tube 4 is flowed out from cooled fluid outlet 14；Simultaneously, the lower cooling fluid of temperature enters from cooling fluid
Mouth 13 separately flows into each third heat exchange flow guiding casing tube 5 and first heat exchange flow guiding casing tube 3, then from 15 stream of cooling fluid outlet
Go out, when the higher cooled fluid of temperature flows in each second heat exchange flow guiding casing tube 4, the lower cooling fluid of temperature exists simultaneously
Each third heat exchange flow guiding casing tube 5 and first exchanges heat reverse flow in flow guiding casing tube 3, by the higher cooled fluid envelope of temperature its
In, it is double in this way to make to exchange heat simultaneously with the lower cooling fluid of temperature inside and outside the higher cooled fluid of temperature
The straight catheter structure design of convection current, space availability ratio is high, and heat transfer rate is fast, improves heat exchange efficiency, while can effectively reduce heat
Stress.
Each cutoff board and diversion pipe intermediate support plate 1 can effectively prevent liquid flowing that cold flow body canal and hot fluid is caused to be led
Pipe generates shake, to improve the reliability of inside and outside double convection recuperators；
The material of the shell 2 and diversion pipe intermediate support plate 1 is corrosion-resistant stainless steel steel, thus prevents external environment rotten
Erosion, improves the reliability of heat exchanger, increases the service life of heat exchanger.
The above embodiment of the present invention is not to this hair just for the sake of clearly demonstrating examples of the invention
The restriction of bright embodiment.For the those of ordinary skill in the field, it can also do on the basis of the above description
Go out its other various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all in this hair
The all any modification, equivalent and improvement etc. done within bright spirit and principle, should be included in the claims in the present invention
Within protection domain.
Claims (10)
1. double convection current pipe heat exchangers inside and outside one kind, which is characterized in that including：The shell (2) of both ends sealing is uniformly set in an axial direction
It sets several heat exchange flow guiding casing tubes in the shell (2), be symmetrically spaced two be arranged in the endoporus of the shell (2) both ends
A first cutoff board (9), two the second cutoff boards (10), two third cutoff boards (11), each flow guiding casing tube that exchanges heat include
Gap is nested successively from inside to outside third heat exchange flow guiding casing tube (5), the second heat exchange flow guiding casing tube (4), the first heat exchange flow guide sleeve
It manages (3), the nozzle at second heat exchange flow guiding casing tube (4) both ends symmetrically stretches out first heat exchange flow guiding casing tube (3) both ends
Nozzle a distance, the nozzle at third heat exchange flow guiding casing tube (5) both ends symmetrically stretches out the second heat exchange flow guide sleeve
Manage the nozzle a distance at (4) both ends；Described two third cutoff boards (11) symmetrically seal and are fixed on the shell (2) inner wall
Between the nozzle outer wall at each first heat exchange flow guiding casing tube (3) both ends, described two second cutoff boards (10) symmetrically seal solid
It is scheduled between the shell (2) inner wall and the nozzle outer wall at each first heat exchange flow guiding casing tube (4) both ends, described two first flow blockings
Plate (9) symmetrically seal be fixed on the shell (2) inner wall and each third heat exchange flow guiding casing tube (5) both ends nozzle outer wall it
Between；Described shell (2) one end outer wall is provided with while being connected to third heat exchange flow guiding casing tube (5) and the first heat exchange flow guiding casing tube (3)
The cooled fluid outlet of the cooling fluid inlet (13) of respective end, described second heat exchange flow guiding casing tube (4) respective end of connection
(14), other end outer wall is provided with the cooled fluid inlet (12), same for being connected to described second heat exchange flow guiding casing tube (4) other end
The cooling fluid outlet (15) of Shi Liantong thirds heat exchange flow guiding casing tube (5) and first heat exchange flow guiding casing tube (3) other end.
2. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：The third heat exchange flow guide sleeve
Manage (5), the second heat exchange flow guiding casing tube (4), the first heat exchange flow guiding casing tube (3) coaxial arrangement.
3. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：The third heat exchange flow guide sleeve
Pipe (5), the second heat exchange flow guiding casing tube (4), first heat exchange flow guiding casing tube (3) material are fluoroplastics.
4. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：Shell (2) both ends it is interior
The ladder that several diameters with the first cutoff board (9), the second cutoff board (10), third cutoff board (11) match is provided in hole
Hole.
5. inside and outside double convection current pipe heat exchangers according to claim 6, it is characterised in that：First cutoff board (9),
Second cutoff board (10), third cutoff board (11) periphery wall be connected by screw thread with the inner wall of corresponding stepped hole.
6. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：First cutoff board (9),
Several exchange heat respectively with third flow guiding casing tube (5), second are evenly arranged in the middle part of second cutoff board (10), third cutoff board (11)
The circular hole that heat exchange flow guiding casing tube (4), first heat exchange flow guiding casing tube (3) nozzle outer wall sealing coordinate.
7. inside and outside double convection current pipe heat exchangers according to claim 6, it is characterised in that：The circular hole exchanges heat with third
The sealing cooperation of flow guiding casing tube (5), the second heat exchange flow guiding casing tube (4), first heat exchange flow guiding casing tube (3) nozzle outer wall is both provided with
Screw thread.
8. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：In the middle part of shell (2) endoporus
It is fixedly installed the circular housing intermediate support plate (1) for being used to support heat exchange flow guiding casing tube, intermediate support plate (1) middle part
It is evenly arranged with the hole that several and the first heat exchange flow guiding casing tube (3) is interference fitted.
9. inside and outside double convection current pipe heat exchangers according to claim 8, it is characterised in that：The diversion pipe intermediate support plate
(1) periphery is fixedly connected by screw thread with shell (2) inner wall.
10. inside and outside double convection current pipe heat exchangers according to claim 1, it is characterised in that：Shell (2) both ends pass through
End cap (6), seal washer (8) and fixing bolt (7) are sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218157.XA CN108387117A (en) | 2018-03-16 | 2018-03-16 | Double convection current pipe heat exchangers inside and outside one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218157.XA CN108387117A (en) | 2018-03-16 | 2018-03-16 | Double convection current pipe heat exchangers inside and outside one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387117A true CN108387117A (en) | 2018-08-10 |
Family
ID=63066555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218157.XA Pending CN108387117A (en) | 2018-03-16 | 2018-03-16 | Double convection current pipe heat exchangers inside and outside one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387117A (en) |
Citations (10)
| 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 |
| US20170205147A1 (en) * | 2014-07-16 | 2017-07-20 | Casale Sa | Shell and tube heat exchanger |
| 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 |
-
2018
- 2018-03-16 CN CN201810218157.XA patent/CN108387117A/en active Pending
Patent Citations (10)
| 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 |
| US20170205147A1 (en) * | 2014-07-16 | 2017-07-20 | Casale Sa | Shell and tube heat exchanger |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206399242U (en) | A kind of high-efficiency cold-hot fluid heat transfer sleeve pipe | |
| CN204007233U (en) | The U-shaped pipe heat exchanger of a kind of continuous helical deflecting plate | |
| JP7011079B2 (en) | Heat exchange tube with outer fins and how to use it | |
| CN103270383B (en) | Waste heat boiler | |
| CN103307910A (en) | Anti-corrosion and dirt-resistant efficient flue gas waste heat recovery device | |
| US20200300559A1 (en) | Gas-gas high-temperature heat exchanger | |
| CN102721299A (en) | Stepped high-efficiency heat exchanger | |
| CN101354218A (en) | Detachable type high-efficiency casing heat exchanger | |
| CN105783558A (en) | U-shaped arranged circular tube type fluoroplastic anti-corrosion flue gas heat exchanger | |
| CN103424012A (en) | Immersion type ring tube heat exchanger | |
| CN101520205A (en) | Separable heat pipe heating system | |
| CN208567597U (en) | Double convection current pipe heat exchangers inside and outside one kind | |
| CN103196310A (en) | Liquid-cooling heat exchanger with miniature mini-channel metal round tubes | |
| CN203336996U (en) | Minitype micro-channel metal round pipe liquid-cooled type heat exchanger | |
| CN108387117A (en) | Double convection current pipe heat exchangers inside and outside one kind | |
| CN219178343U (en) | Shell-and-tube heat exchanger | |
| CN211317023U (en) | Silicon carbide double-tube-plate heat exchanger | |
| CN201764885U (en) | Floor heating heat-exchange pipeline | |
| CN215003134U (en) | Finned tube and radial heat pipe combined heat exchanger | |
| JP2010255856A (en) | Heat exchanger and heat pump water heater using the same | |
| CN209926938U (en) | Heat exchanger | |
| CN203586882U (en) | Immersed annular tube heat exchanger | |
| CN211977651U (en) | Double-pipe heat exchanger | |
| CN205619800U (en) | Anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type | |
| CN209623424U (en) | A kind of heat exchanger of the lye heat exchange with helical flow path |
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 |