CN205690935U - Shell-and-tube heat exchanger based on segmental baffle - Google Patents
Shell-and-tube heat exchanger based on segmental baffle Download PDFInfo
- Publication number
- CN205690935U CN205690935U CN201620548167.6U CN201620548167U CN205690935U CN 205690935 U CN205690935 U CN 205690935U CN 201620548167 U CN201620548167 U CN 201620548167U CN 205690935 U CN205690935 U CN 205690935U
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- tube
- cylinder
- heat exchanger
- shell
- segmental baffle
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Abstract
A kind of shell-and-tube heat exchanger based on segmental baffle, including: bobbin carriage, tube sheet, cylinder, the segmental baffle being arranged in cylinder, heat-exchanging tube bundle, distance sink tube and pull bar, wherein: tube sheet is fixedly installed on the two ends of cylinder respectively, the outside of tube sheet is connected with bobbin carriage respectively；Heat-exchanging tube bundle, distance sink tube and pull bar are axially fixing with the tube sheet at cylinder two ends along cylinder to be connected；The edge of segmental baffle is connected with cylinder inboard wall and plays a supporting role, and favours horizontal plane setting through heat-exchanging tube bundle；Described segmental baffle is the elliptical flat-plate clipping one section of arcuate indentation, and plate is provided with the identical pore in perforate direction and leakage current hole, wherein: pore and leakage current hole are onboard in staggered triangular pitch；This utility model is installed easy to process, low cost, improves heat transfer efficiency and extends the service life of heat exchanger.
Description
Technical field
The utility model relates to the technology in a kind of shell-and-tube heat exchanger field, specifically a kind of based on segmental baffle
Shell-and-tube heat exchanger.
Background technology
The structure of shell-and-tube heat exchanger includes bobbin carriage, tube sheet, housing, deflection plate, heat exchanger tube etc..Wherein, deflection plate is at pipe
Shell heat exchanger both can play the effect supporting heat-exchanging tube bundle, it is also possible to make shell-side medium by specific circulation passage stream
Dynamic, increase turbulent extent, improve heat-transfer character.Existing shell-and-tube heat exchanger deflection plate mainly has segmental baffle and spiral folding
Stream plate two kinds.Common segmental baffle is flat, is perpendicular to heat exchange housing axial arranged along heat-exchanging tube bundle and adjacent
The breach of two deflection plates mutually staggers, and the circulation passage constituted makes fluid circuitous flow in shell-and-tube heat exchanger.And
When segmental baffle board heat exchangers is applied to shell-side condensation operating mode, shell-side medium condenses on heat-exchanging tube bundle, at gravity and liquid table
Under surface tension effect, easily produce hydrops at cambered plate and housing junction, be degrading the heat transfer effect of heat exchanger, additionally at baffling
The problem that there is also heat exchange " dead band " near plate.What helical deflecting plate pipe and shell type heat exchanger was commonly used is lap jointing type spiral baffling
Plate, needs along housing axis, polylith deflection plate is arranged as approximate helical face.Although this kind of helical deflecting plate pipe and shell type heat exchanger
Making shell-side flow form is rational spiral flow, and is difficult to hydrops in shell-side condensation operating mode, but there is center leakage current
With the problem such as trigonum leakage current, reduce overall heat transfer coefficient and the combination property of heat exchanger, and processing cost is high, it is tired to install
Difficulty, precision is difficult to ensure that.
In order to reduce the problem in arch shape traverse baffle shell type heat exchanger heat exchange " dead band ", have some technology at present to arch
The structure of deflection plate is improved, but segmental baffle is not applied to during shell-side condensation operating mode easy hydrops at deflection plate
Problem proposes solution, and on the one hand hydrops can deteriorate the heat transfer property of heat exchanger tube, on the other hand heat exchanger also can be caused to tie
Dirt, corrosion, affect heat exchanger service life.
Utility model content
This utility model causes heat exchanger structure and performance for the easy hydrops when condensing condition of deflection plate in prior art
The defects such as deterioration, propose a kind of shell-and-tube heat exchanger based on segmental baffle, by the segmental baffle being obliquely installed
Uniformly offer pore and leakage current hole, make the liquid medium after shell-side condensation discharge from segmental baffle rapidly, reduce arch baffling
" dead band " near plate, improves heat exchange property, reduces the structure of heat exchanger.
This utility model is achieved through the following technical solutions:
This utility model includes: bobbin carriage, tube sheet, cylinder, the segmental baffle being arranged in cylinder, heat-exchanging tube bundle, spacing
Pipe and pull bar, wherein: tube sheet is fixedly installed on the two ends of cylinder respectively, the outside of tube sheet is connected with bobbin carriage respectively；Heat-exchanging tube bundle,
Distance sink tube and pull bar are axially fixing with the tube sheet at cylinder two ends along cylinder to be connected；The edge of segmental baffle is connected with cylinder inboard wall
Play a supporting role, and favour horizontal plane setting through heat-exchanging tube bundle.
It is 20 ± 5 ° that described segmental baffle favours the angle of horizontal plane.
Described segmental baffle is the elliptical flat-plate clipping one section of arcuate indentation, and plate is provided with the pipe that perforate direction is identical
Hole and leakage current hole, wherein: pore and leakage current hole are onboard in staggered triangular pitch.
Described pore and leakage current hole are ellipsoidal structure, and along cylinder axial aperture.
The axle radius in described leakage current hole is 0.3～0.5 times of pore axle radius.
Technique effect
Compared with prior art, segmental baffle is obliquely installed by this utility model, makes the liquid medium of shell-side condensation exist
Gravity and discharging from segmental baffle rapidly under deflection plate flowing gaseous medium thrust dual function, improves shell-and-tube heat exchanger
Heat exchange property, and reduce the fouling of heat exchanger, extend the service life of heat exchanger；And leakage current is set on segmental baffle
Hole, reduces " dead band " near deflection plate, reduces pressure drop, also improves heat transfer efficiency.
Accompanying drawing explanation
Fig. 1 is shell-and-tube heat exchanger schematic diagram；
Fig. 2 is segmental baffle schematic diagram；
In figure: 1 is segmental baffle, 2 is heat-exchanging tube bundle, and 3 is cylinder, and 4 is bobbin carriage, and 5 is tube sheet, and 6 is distance sink tube, and 7 are
Pull bar, 8 is pore, and 9 is leakage current hole.
Detailed description of the invention
Elaborating embodiment of the present utility model below, the present embodiment is being front with technical solutions of the utility model
Put and implement, give detailed embodiment and concrete operating process, but protection domain of the present utility model does not limits
In following embodiment.
Embodiment 1
As it is shown in figure 1, the present embodiment includes: bobbin carriage 4, tube sheet 5, cylinder 3, the segmental baffle 1 being arranged in cylinder 3,
Heat-exchanging tube bundle 2, distance sink tube 6 and pull bar 7, wherein: tube sheet 5 is fixedly installed on the two ends of cylinder 3 respectively, the outside of tube sheet 5 is respectively
It is connected with bobbin carriage 4；Heat-exchanging tube bundle 2, distance sink tube 6 and pull bar 7 are axially fixing with the tube sheet 5 at cylinder 3 two ends along cylinder 3 to be connected；Bow
The edge of shape deflection plate 1 is connected with cylinder 3 inwall and plays a supporting role, and favours horizontal plane setting through heat-exchanging tube bundle 2.
It is 20 ° that described segmental baffle 1 favours the angle of horizontal plane.
As in figure 2 it is shown, described segmental baffle 1 is the elliptical flat-plate clipping one section of arcuate indentation, plate is provided with perforate
Pore 8 that direction is identical and leakage current hole 9, wherein: pore 8 and leakage current hole 9 are onboard in staggered triangular pitch.
Described pore 8 and leakage current hole 9 are ellipsoidal structure, and along cylinder 3 axial aperture.
The axle radius in described leakage current hole 9 is 0.5 times of pore 8 axle radius.
When shell-side medium condensing condition, coolant media walks tube side, and gaseous heating medium medium walks shell side, a shell-side medium part
Horizontal plunderring heat exchanger tube and flow through from the breach of segmental baffle 1, another part is through the leakage current hole 9 on segmental baffle 1 along heat exchanger tube
Bundle 2 flowing, two kinds of flow directions make shell-side medium form mixed flow, and the heat exchange abundant with heat exchanger tube of shell-side thermal medium also condenses.Shell
The liquid medium of side condensation flow to segmental baffle 1 along heat exchanger tube, at gravity with along the gaseous medium of segmental baffle 1 flowing
Discharge from segmental baffle 1 rapidly under dual function, without staying on segmental baffle 1.
The present embodiment is obliquely installed due to segmental baffle 1, and baffle gap position is the lowest, it is possible to use liquid
The dual function of medium self gravitation and gaseous medium flows thrust is drained being stranded in the hydrops water conservancy diversion at segmental baffle 1.
Common arch shape traverse baffle shell type heat exchanger shell-side is extended only through heat-exchanging tube bundle by the leakage current hole 9 that the present embodiment increases
The crossing current of 2 changes the vertical stream along heat-exchanging tube bundle 2, the crossing current through heat-exchanging tube bundle 2 and both mixed flows into, to reduce arch baffling
Heat exchange " dead band " near plate 1, optimizes heat transfer effect.
Claims (5)
1. a shell-and-tube heat exchanger based on segmental baffle, it is characterised in that including: bobbin carriage, tube sheet, cylinder, be arranged at
Segmental baffle, heat-exchanging tube bundle, distance sink tube and pull bar in cylinder, wherein: tube sheet is fixedly installed on the two ends of cylinder respectively, pipe
The outside of plate is connected with bobbin carriage respectively；Axial along cylinder and cylinder two ends the tube sheet of heat-exchanging tube bundle, distance sink tube and pull bar is fixing even
Connect；The edge of segmental baffle is connected with cylinder inboard wall and plays a supporting role, and favours horizontal plane setting through heat-exchanging tube bundle.
Shell-and-tube heat exchanger the most according to claim 1, is characterized in that, described segmental baffle favours horizontal plane
Angle is 20 ± 5 °.
Shell-and-tube heat exchanger the most according to claim 2, is characterized in that, described segmental baffle is for clipping one section of arch
The elliptical flat-plate of breach, plate is provided with the identical pore in perforate direction and leakage current hole, wherein: pore and leakage current hole are submitted onboard
Wrong triangular pitch.
Shell-and-tube heat exchanger the most according to claim 3, is characterized in that, described pore and leakage current hole are oval knot
Structure, and along cylinder axial aperture.
Shell-and-tube heat exchanger the most according to claim 3, is characterized in that, the axle radius in described leakage current hole is pore axle half
0.3～0.5 times of footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548167.6U CN205690935U (en) | 2016-06-07 | 2016-06-07 | Shell-and-tube heat exchanger based on segmental baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548167.6U CN205690935U (en) | 2016-06-07 | 2016-06-07 | Shell-and-tube heat exchanger based on segmental baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205690935U true CN205690935U (en) | 2016-11-16 |
Family
ID=57260870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620548167.6U Expired - Fee Related CN205690935U (en) | 2016-06-07 | 2016-06-07 | Shell-and-tube heat exchanger based on segmental baffle |
Country Status (1)
| Country | Link |
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| CN (1) | CN205690935U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517629A (en) * | 2016-12-28 | 2017-03-22 | 北京国电龙源环保工程有限公司 | Limestone/gypsum desulfurization wastewater zero-discharge treatment equipment and limestone/gypsum desulfurization wastewater zero-discharge treatment method |
| CN107883803A (en) * | 2017-11-06 | 2018-04-06 | 深圳中广核工程设计有限公司 | shell-and-tube heat exchanger |
| CN108120323A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of double tube plate heat exchanger |
| CN108489322A (en) * | 2018-05-08 | 2018-09-04 | 北京石油化工工程有限公司 | Tube bundle support structure and calandria type fixed bed reactor |
| CN110455096A (en) * | 2019-08-27 | 2019-11-15 | 东方电气集团东方锅炉股份有限公司 | Baffle plate support structure and its shell-and-tube heat exchanger with shunt effect |
| CN113877370A (en) * | 2020-07-02 | 2022-01-04 | 中国石油化工股份有限公司 | Supergravity absorbing device |
-
2016
- 2016-06-07 CN CN201620548167.6U patent/CN205690935U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120323A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of double tube plate heat exchanger |
| CN106517629A (en) * | 2016-12-28 | 2017-03-22 | 北京国电龙源环保工程有限公司 | Limestone/gypsum desulfurization wastewater zero-discharge treatment equipment and limestone/gypsum desulfurization wastewater zero-discharge treatment method |
| CN107883803A (en) * | 2017-11-06 | 2018-04-06 | 深圳中广核工程设计有限公司 | shell-and-tube heat exchanger |
| CN107883803B (en) * | 2017-11-06 | 2019-10-15 | 深圳中广核工程设计有限公司 | Shell-and-tube heat exchanger |
| CN108489322A (en) * | 2018-05-08 | 2018-09-04 | 北京石油化工工程有限公司 | Tube bundle support structure and calandria type fixed bed reactor |
| CN110455096A (en) * | 2019-08-27 | 2019-11-15 | 东方电气集团东方锅炉股份有限公司 | Baffle plate support structure and its shell-and-tube heat exchanger with shunt effect |
| CN113877370A (en) * | 2020-07-02 | 2022-01-04 | 中国石油化工股份有限公司 | Supergravity absorbing device |
| CN113877370B (en) * | 2020-07-02 | 2023-01-24 | 中国石油化工股份有限公司 | Supergravity absorbing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170407 Address after: 200240 Dongchuan Road, Shanghai, No. 800, No. Patentee after: Shanghai Jiao Tong University Patentee after: CNOOC Gas & Power Group Address before: 200240 Dongchuan Road, Shanghai, No. 800, No. Patentee before: Shanghai Jiao Tong University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180607 |