CN205690935U - Shell-and-tube heat exchanger based on segmental baffle - Google Patents

Shell-and-tube heat exchanger based on segmental baffle Download PDF

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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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CN
China
Prior art keywords
tube
cylinder
heat exchanger
shell
segmental baffle
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.)
Expired - Fee Related
Application number
CN201620548167.6U
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Chinese (zh)
Inventor
丁国良
陈杰
杨文刚
胡海涛
杨果成
胡苏阳
高玮
罗婷婷
张晓慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jiaotong University
CNOOC Gas and Power Group Co Ltd
Original Assignee
Shanghai Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Jiaotong University filed Critical Shanghai Jiaotong University
Priority to CN201620548167.6U priority Critical patent/CN205690935U/en
Application granted granted Critical
Publication of CN205690935U publication Critical patent/CN205690935U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Shell-and-tube heat exchanger based on segmental baffle
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.
CN201620548167.6U 2016-06-07 2016-06-07 Shell-and-tube heat exchanger based on segmental baffle Expired - Fee Related CN205690935U (en)

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
CN (1) CN205690935U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113877370A (en) * 2020-07-02 2022-01-04 中国石油化工股份有限公司 Supergravity absorbing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113877370A (en) * 2020-07-02 2022-01-04 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