CN108627031A - A kind of heat exchanger with flight - Google Patents
A kind of heat exchanger with flight Download PDFInfo
- Publication number
- CN108627031A CN108627031A CN201710281858.3A CN201710281858A CN108627031A CN 108627031 A CN108627031 A CN 108627031A CN 201710281858 A CN201710281858 A CN 201710281858A CN 108627031 A CN108627031 A CN 108627031A
- Authority
- CN
- China
- Prior art keywords
- flight
- heat exchanger
- heat
- exchanger body
- mass transfer
- 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
Classifications
-
- 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
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
-
- 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
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with 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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of heat exchangers with flight, including heat exchanger body, multiple flights are provided in the heat exchanger body, the flight includes left-hand screw piece and right-hand screw piece, it is characterized in that, the direction of rotation of adjacent two flight on the contrary, and its central point be connected, mutual connection in 90 °；The flight itself is in 180 ° of torsions；The flight all welds on hand of helix with heat exchanger body contact surface；The heat exchanger helps to realize good material radially mixing and dispersion effect, effectively improves the update of alternate contact and interface, strengthens mass transfer and heat transfer, improve reaction rate, saves energy consumption.The advection layer thickness of heat exchanger inner surface can be effectively thinned in the devolatilization equipment of especially suitable Surface Renewal type, prevent material overheat and aging, realize high efficiency mass transfer and heat transfer.
Description
Technical field
The invention belongs to heat and mass, liquid to mix admittedly, react, extract and the technical fields such as polymer devolatilization, more particularly to
A kind of heat exchanger with flight.
Background technology
Heat exchanger is widely used in the industrial departments such as oil, chemical industry, fine chemistry industry, environmental protection, mining and metallurgy.In general, shell-and-tube changes
Hot device uses the heat exchanger of circular section light pipe, but the media for heat exchange effect that such heat exchanger is big for viscosity, mobility is very poor
It is bad.
For the devolatilization equipment of high viscosity medium, by design structure, be commonly divided into film modern, discharge extrusion type and
Three kinds of Surface Renewal type.Film modern, using thin film evaporator as representative, it is thick will to form smaller film for general bulky
Degree just needs higher equipment precision, difficulty larger；Extrusion type is discharged, using double screw extruder as representative, the disadvantage is that high energy consumption；
Surface Renewal type is optimization device structure, can make thinning of liquid film, improves mass transfer area, increases Surface Renewal, strengthens mass transfer, passes
Thermal process shortens residence time of material, prevents from overheating, and the material substitution old material new by heat exchanger body is entered realizes highest
The update of efficiency, and the built-in flight of the heat exchanger therein with flight is exactly that Surface Renewal type equipment is made to realize above-mentioned work(
The decisive element of energy.
Invention content
For existing heat exchanger can not realize simultaneously efficient heat transfer, mass transfer, liquid mix admittedly, the technique effects such as devolatilization, this hair
It is bright to provide a kind of heat exchanger with flight.
In order to realize that above-mentioned technique effect, the present invention use such as lower structure：A kind of heat exchanger with flight, including heat exchange
Device ontology, is provided with multiple flights in the heat exchanger body, and the flight includes left-hand screw piece and right-hand screw piece, special
Sign is that the direction of rotation of adjacent two flight is on the contrary, and mutually connection in 90 °；The flight itself is in 180 ° of torsions；It is described
Flight all welds on entire hand of helix with the heat exchanger body contact surface.
Preferably, the flight at least a side is arranged with groove, and the groove extends along side.
Preferably, the section of the flight end is chamfered, and chamfering is 30 ° -120 °, and the angle of chamfering is smaller to be more conducive to
The shearing of material keeps material more tiny, and mixing is evenly.
Preferably, the ratio of height to diameter ratio of the flight is 1.2-3.
Preferably, it is proof strength, the thickness of the flight is 1.5-3mm.
Preferably, adjoining spiral piece is of same size.
Preferably, the flight arbitrary cross section is of same size.
Preferably, there are a small gaps with the heat exchanger inner wall for the flight.
Compared with prior art, the technical advantages of the present invention are that：High with mass transfer, heat transfer efficiency, low energy consumption, equipment body
Product it is small, it is simple in structure, it is at low cost the advantages that.It is combined with flight by heat exchanger, it is when making medium fluid and left-handed and right
Rotation, constantly changes flow direction, not only pushes center liquid stream to periphery, but also push peripheral fluid to center, good to realize
Good radial mixed effect, the advection layer thickness of significantly thinned heat exchanger body inner surface.At the same time, the rotation of fluid itself
Acting on the interface of adjacent elements junction can also occur.And the chamfering of spiral end is then constantly sheared, and stream is broken, therefore, this
Invention can provide good dispersion and mixed effect to heterogeneous fluid, effectively improve the update of alternate contact and interface, strengthen
Mass transfer and heat transfer and raising reaction rate.
The present invention is applicable not only to the low usual heat exchanger of material viscosity, improves heat exchange efficiency, is more suitable for oil, changes
High viscosity fluid or liquid in the industries such as work, fine chemistry industry, plastic extrusion, environmental protection, mining and metallurgy mix, react, extracting, absorbing admittedly,
The processes such as plastic match colors, extrusion, heat transfer and polymer devolatilization, the devolatilization equipment of especially suitable Surface Renewal type, can effectively by
Into the oldest material of the newest material substitution of heat exchanger body, efficient renewal process is realized.Further, since flight and changing
There is enough weld strengths, the present invention can effectively avoid occurring while realizing efficient renewal process between hot device
Flight is extruded the accidents such as fall off, safe and reliable to operation, improves working efficiency.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the heat exchanger for the welding flight implemented according to the present invention, wherein each component is accordingly marked
It is denoted as：1-heat exchanger body；2-left-turn spiral pieces；3-right hand helix pieces
Fig. 2 welds flight heat exchanger vertical view
Fig. 3 flights fluting dimensional drawing
Fig. 4 flight end-beveling figures
Specific implementation mode
The present invention is further explained with reference to embodiment and attached drawing.Following embodiments do not limit this in any form
Invention.All technical solutions obtained by the way of equivalent substitution or equivalent transformation, be in protection scope of the present invention it
In.
Fig. 1 is the schematic diagram according to a kind of heat exchanger with flight of the embodiment of the present invention.The heat exchanger includes heat exchange
Device ontology 1 and multiple flights.2 be left-turn spiral piece, and 3 be right hand helix piece.Wherein, the width of the arbitrary cross section of flight
It is identical, and the end face width of adjacent two flight is also identical, adjacent two flight using the central point of its contact face as pad,
90 ° of interaction links together.Flight uses on entire hand of helix with heat exchanger inner wall total cross-section with heat exchanger body 1
Welding structure, to ensure intensity requirement.Wherein, flight uses mould cold-press moulding, and production efficiency is high, stable quality, appearance
It is high-quality.Flight needs welding to be mounted in heat exchanger body after processing is completed, therefore the helical pitch of its mould used is equal to spiral
Piece helical pitch is plus the helical pitch springback capacity after blank cold pressing.Process the flight such as 3 of different ratio of height to diameters：1、2：1、1.8：1、1.5：1、
1.2：When 1, it is also necessary to be tested to determine the helical pitch of blank to the blank of flight.
Fig. 2 is welding flight heat exchanger vertical view.Adjacent flight is divided into left-turn spiral piece and right hand helix piece, left
Right hand helix piece intermeshes vertical 90 ° and links together using the central point of connecting end surface as pad.Built-in flight end face
Width be less than heat exchanger inner wall diameter, there are a small gaps with heat exchanger inner wall for built-in flight.Material is from top
To flowing down, left-turn spiral piece is flowed through, then right hand helix piece is flowed through again, passes through left-turn spiral piece, the flow direction of material is not
It is disconnected to change, with the increase of flow velocity, fierce vortex is generated on mobile section, the stratosphere liquid film of heat exchanger inner surface is made to become
It is thin, improve mass transfer area, increase Surface Renewal, strengthen mass transfer and heat transfer efficiency, it is ensured that not static region, prevent overheat and
Material aging will enter the oldest material of the newest material substitution of heat exchanger body, and be the update of peak efficiency.
Fig. 3 is flight fluting dimensional drawing.The thickness of flight is 1.5-3mm, and at least centre of a side is equipped with recessed
Slot, the groove extend along side.The groove ensures weld strength, prevents high viscous for storing solder and Welding of Heat-exchanger
The material of degree squeezes out flight, falls off, and causes accident.
Fig. 4 is flight end-beveling figure, and chamfering is in 30 ° -120 °.Material flows down from above, continuous in flow direction
While change, material is chamfered continuous shearing, breaks stream.The smaller shearing for being more conducive to material of angle of chamfering, material become
It is more tiny, it mixes evenly, to mass transfer, heat transfer efficiency higher.Meanwhile end-beveling is smaller, resistance is smaller, and pressure drop is also got over
It is small, thereby saving energy consumption, reduce operating cost.
Using the heat exchanger with flight of the present invention, material, to flowing down, flows through left-turn spiral piece, so above heat exchanger
Right hand helix piece is flowed through again afterwards, passes through left-turn spiral piece, the flow direction of material constantly changes.Flight can be used different
Ratio of height to diameter, ratio of height to diameter is smaller, and such as 3：1、2：1、1.8：1、1.5：1、1.2：1, then the vortex that material generates on mobile section is got over
Fierceness, liquid film is thinner, and Surface Renewal is faster, while mixing also evenly, to mass-transfer efficiency higher.
Using the heat exchanger with flight of the present invention, material, to flowing down, flows through left-turn spiral piece, so above heat exchanger
Right hand helix piece is flowed through again afterwards, passes through left-turn spiral piece, the flow direction of material constantly changes, and is chamfered continuous shearing, with
The increase of flow velocity, material generates fierce vortex and shearing force on mobile section, and thinning of liquid film, broken stream, material is made to become
It is more tiny, mass transfer area is significantly improved, accelerates Surface Renewal, mixing is evenly.During the reinforcing mass transfer and heat transfer, spiral shell
Blade uses polishing process with material contact side, shortens residence time of material, it is ensured that not static region prevents material from overheating
And aging, to effectively prevent pollution final products.In addition, flight groove at side surface is used to store solder, in entire helix
It is all welded with heat exchanger body contact surface on direction, it is ensured that weld strength effectively prevent highly viscous material-heat-exchanging process
It is middle to squeeze out flight, it is detached from, causes accident.
Therefore, a kind of heat exchanger with flight provided by the invention, help to realize good material radially mixing and
Dispersion effect effectively improves the update of alternate contact and interface, strengthens mass transfer and heat transfer, improve reaction rate, saves energy consumption.No
It is only applicable to the low usual heat exchanger of material viscosity, improves heat exchange efficiency, oil, chemical industry, fine chemistry industry, plastics is more suitable for and squeezes
Go out, environmental protection, the high viscosity fluid in the industries such as mining and metallurgy or liquid are mixed, are reacted, extracting, absorbing admittedly, plastic match colors, extrusion, heat transfer
And the processes such as polymer devolatilization.The devolatilization equipment of especially suitable Surface Renewal type, can be effectively by the newest material substitution of ontology
Oldest material realizes efficient renewal process.
It should be noted that the embodiment of the present invention has preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, according to the technical essence of the invention to made by above example
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of heat exchanger with flight, including heat exchanger body, multiple flights, institute are provided in the heat exchanger body
It includes left-hand screw piece and right-hand screw piece to state flight, which is characterized in that
The direction of rotation of adjacent two flight on the contrary, and its central point be connected, mutual connection in 90 °；
The flight itself is in 180 ° of torsions；The flight contacts on entire hand of helix with the heat exchanger body
It all welds on surface.
2. the heat exchanger with flight as described in claim 1, which is characterized in that the section of the flight end is in
Angle.
3. the heat exchanger with flight as claimed in claim 2, which is characterized in that the chamfering is in 30 ° -120 °.
4. the heat exchanger with flight as described in claim 1, which is characterized in that the ratio model of the ratio of height to diameter of the flight
It encloses for 1.2-3.
5. the heat exchanger with flight as described in claim 1, which is characterized in that the thickness of the flight is 1.5-3mm.
6. the heat exchanger with flight as described in claim 1, which is characterized in that the adjoining spiral piece is of same size.
7. the heat exchanger with flight as described in claim 1, which is characterized in that the flight arbitrary cross section width phase
Together.
8. the heat exchanger with flight as described in claim 1, which is characterized in that the flight and the heat exchanger inner wall
There are a gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211255762.7A CN115646420A (en) | 2017-03-15 | 2017-04-26 | Application of heat exchanger with spiral sheets in polymer devolatilization |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152687 | 2017-03-15 | ||
| CN2017101526874 | 2017-03-15 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211255762.7A Division CN115646420A (en) | 2017-03-15 | 2017-04-26 | Application of heat exchanger with spiral sheets in polymer devolatilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108627031A true CN108627031A (en) | 2018-10-09 |
Family
ID=60822806
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211255762.7A Pending CN115646420A (en) | 2017-03-15 | 2017-04-26 | Application of heat exchanger with spiral sheets in polymer devolatilization |
| CN201710281858.3A Pending CN108627031A (en) | 2017-03-15 | 2017-04-26 | A kind of heat exchanger with flight |
| CN201720447181.1U Active CN206862168U (en) | 2017-03-15 | 2017-04-26 | A kind of heat exchanger with flight |
| CN201710281502.XA Pending CN108592687A (en) | 2017-03-15 | 2017-04-26 | A kind of heat exchanger and its manufacturing method of built-in flight |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211255762.7A Pending CN115646420A (en) | 2017-03-15 | 2017-04-26 | Application of heat exchanger with spiral sheets in polymer devolatilization |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720447181.1U Active CN206862168U (en) | 2017-03-15 | 2017-04-26 | A kind of heat exchanger with flight |
| CN201710281502.XA Pending CN108592687A (en) | 2017-03-15 | 2017-04-26 | A kind of heat exchanger and its manufacturing method of built-in flight |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN115646420A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646975A (en) * | 2019-02-28 | 2019-04-19 | 上海宥壹化工科技有限公司 | A kind of polymer devolatilization apparatus |
| CN109731359A (en) * | 2019-02-28 | 2019-05-10 | 上海宥壹化工科技有限公司 | A kind of polymer devolatilization apparatus |
| CN111578762A (en) * | 2020-05-21 | 2020-08-25 | 西安交通大学 | Composite heat exchange structure of torsion tube support |
| CN109731359B (en) * | 2019-02-28 | 2024-07-05 | 上海宥壹化工科技有限公司 | Polymer devolatilization device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101995576B1 (en) * | 2018-12-31 | 2019-07-03 | 대림로얄이앤피(주) | Tube structure for improving thermal efficiency |
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|---|---|---|---|---|
| GB822705A (en) * | 1955-09-22 | 1959-10-28 | Thompson John Water Tube Boilers Ltd | Improvements in or relating to composite tubes in heat exchangers |
| GB1076235A (en) * | 1965-02-23 | 1967-07-19 | Brown Fintube Co | A method of brazing an elongated fin to a body |
| CN1612999A (en) * | 2002-04-30 | 2005-05-04 | 北京美联桥科技发展有限公司 | Recess stainless steel pipe for exhaust recycle cooler of diesel engine |
| CN101762204A (en) * | 2009-12-17 | 2010-06-30 | 中国石油化工股份有限公司 | Quenching boiler heat-exchanging pipe with strengthened heat-transfer element |
| CN203501889U (en) * | 2013-08-05 | 2014-03-26 | 上海通华不锈钢压力容器工程有限公司 | Interpolation spiral sheet for heat exchange tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19729725A1 (en) * | 1997-07-11 | 1999-01-14 | Hoecker Hans Peter Dipl Ing Fh | Heat-exchanger between flowing media |
| GB2550075B (en) * | 2014-12-11 | 2021-02-24 | Fulton Group N A Inc | Ribbed tubeless heat exchanger for fluid heating systems including a rib component and methods of manufacture thereof |
-
2017
- 2017-04-26 CN CN202211255762.7A patent/CN115646420A/en active Pending
- 2017-04-26 CN CN201710281858.3A patent/CN108627031A/en active Pending
- 2017-04-26 CN CN201720447181.1U patent/CN206862168U/en active Active
- 2017-04-26 CN CN201710281502.XA patent/CN108592687A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB822705A (en) * | 1955-09-22 | 1959-10-28 | Thompson John Water Tube Boilers Ltd | Improvements in or relating to composite tubes in heat exchangers |
| GB1076235A (en) * | 1965-02-23 | 1967-07-19 | Brown Fintube Co | A method of brazing an elongated fin to a body |
| CN1612999A (en) * | 2002-04-30 | 2005-05-04 | 北京美联桥科技发展有限公司 | Recess stainless steel pipe for exhaust recycle cooler of diesel engine |
| CN101762204A (en) * | 2009-12-17 | 2010-06-30 | 中国石油化工股份有限公司 | Quenching boiler heat-exchanging pipe with strengthened heat-transfer element |
| CN203501889U (en) * | 2013-08-05 | 2014-03-26 | 上海通华不锈钢压力容器工程有限公司 | Interpolation spiral sheet for heat exchange tube |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646975A (en) * | 2019-02-28 | 2019-04-19 | 上海宥壹化工科技有限公司 | A kind of polymer devolatilization apparatus |
| CN109731359A (en) * | 2019-02-28 | 2019-05-10 | 上海宥壹化工科技有限公司 | A kind of polymer devolatilization apparatus |
| CN109731359B (en) * | 2019-02-28 | 2024-07-05 | 上海宥壹化工科技有限公司 | Polymer devolatilization device |
| CN109646975B (en) * | 2019-02-28 | 2024-07-05 | 上海宥壹化工科技有限公司 | Polymer devolatilization device |
| CN111578762A (en) * | 2020-05-21 | 2020-08-25 | 西安交通大学 | Composite heat exchange structure of torsion tube support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108592687A (en) | 2018-09-28 |
| CN115646420A (en) | 2023-01-31 |
| CN206862168U (en) | 2018-01-09 |
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| TA01 | Transfer of patent application right | ||
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Effective date of registration: 20220302 Address after: 200335 No. 03, building 3, No. 100, Jinbang Road, Changning District, Shanghai Applicant after: Shan Yankun Applicant after: Huludao Yuyi Jinghong Petrochemical Equipment Co.,Ltd. Address before: 200122 room 15d, Zhongcheng building, No. 818 Dongfang Road, Pudong New Area, Shanghai Applicant before: Shan Yankun Applicant before: SHENYANG HANDE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230704 Address after: 200335 No. 03, building 3, No. 100, Jinbang Road, Changning District, Shanghai Applicant after: Shan Yankun Address before: 200335 No. 03, building 3, No. 100, Jinbang Road, Changning District, Shanghai Applicant before: Shan Yankun Applicant before: Huludao Yuyi Jinghong Petrochemical Equipment Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181009 |