CN108801000A - The tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure - Google Patents
The tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure Download PDFInfo
- Publication number
- CN108801000A CN108801000A CN201810940154.7A CN201810940154A CN108801000A CN 108801000 A CN108801000 A CN 108801000A CN 201810940154 A CN201810940154 A CN 201810940154A CN 108801000 A CN108801000 A CN 108801000A
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- Prior art keywords
- fluid
- tube
- pipe
- multiple flow
- region
- 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.)
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Links
- 230000008676 import Effects 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 167
- 238000013316 zoning Methods 0.000 claims abstract description 6
- 230000004323 axial length Effects 0.000 claims description 8
- 208000005168 Intussusception Diseases 0.000 claims description 7
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 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
- F28D7/16—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 in parallel spaced relation
-
- 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
-
- 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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
Abstract
The present invention relates to a kind of tube sides of multiple flow wound tube heat exchanger to import and export connecting pipe structure, multiple flow is respectively wound around in shell around pipe in the concentric layer outside central tube, form the arrangement of layering and zoning domain, multiple flow around pipe fluid into, go out upper lower draft tube region of the pipe respectively Jing Guo enclosure interior to connect with respective tube sheet, multiple flow around pipe fluid into, go out pipe to arrange with concentric circular fashion subregion on respective tube sheet respectively, arrange that the tube side fluid of multiple flow is taken on tube sheet, the tube side fluid of multiple flow is taken over as telescopiform structure, concentric structure is presented in the tube wall of its cross section, the pipe of each stock tube side fluid is connected to that circle on tube sheet is taken over or circular ring shape is taken in region, with it is respective into, discharge connection is connected to.The arrangement of this tube side disengaging connecting pipe box stacked so that arrangement of the pipe on tube sheet is very abundant, efficiently uses tube sheet area, and in skirt region, the space trend of pipe will not clash, and pipe trend is orderly.
Description
Technical field
The present invention relates to a kind of multiple flow wound tube heat exchanger more particularly to a kind of disengaging of multiple flow wound tube heat exchanger
Mouth connecting pipe structure.
Background technology
Wound tube heat exchanger is also known as wrap-round tubular heat exchanger, and heat exchanger tube surrounds central tube helically coil-like coiling, can
With multi-lay winding, each layer can more pipe parallel connection windings;Heat exchanger tube length in shell can be very long, the number of heat exchanger tube
Amount can be very much, thus are suitable for the heat exchange occasion that the fluid inlet and outlet temperature difference is big, flow is big.Multiple flow wound tube heat exchanger refers to
Tube side can have several fluids to flow and participate in exchanging heat, and the heat being suitable between the fields multi-fluid such as oil, natural gas, chemical industry is handed over
Carry over closes.For multiple flow wound tube heat exchanger, since the tube side fluid for participating in heat exchange is more, (inlet and outlet connect the mouthpiece of tube side
Take over) it is also more, rationally carrying out the arrangement of pipe position in succession seems extremely important.If connecting tube arrangement is unreasonable, may lead
The technological problems such as pipe skirt difficulty are caused, or the problem of the equal increase cost of manufacture that causes tubesheet dimension bigger than normal.Fig. 1, Fig. 2 are shown
A kind of wound tube heat exchanger tube bank arrangement of 2 plume of tube side and conventional connecting tube layout drawing, 2 bursts of tube side fluids and 1 strand of shell side
Fluid heat transfer.In being described below, 2 bursts of tube side fluids are respectively designated as A fluids and B fluids.It is shown in Fig. 1, A fluid hose wrappings
Around three layers inside (1~3 layers), the wrapping of B fluid hoses is around at outer 3 layers (4~6 layers).Connecting tube includes to take over and interface.Fig. 1, Fig. 2
Show fluid A outlet connecting pipes (take over 2 and interface 1) and fluid B outlet connecting pipes (take over 14 and interface 13) position and
Shape (entrance sleeve is identical), this is the arrangement form of conventional connecting tube.Pipe in tube bank will be pierced by from the pore in tube sheet,
That is poling.As seen from Figure 1, in skirt region 16 (guiding the pipe in tube bank into tube sheet), segment fluid flow A pipes 4 and fluid B pipes
The trend of son 15 has intersection in space, can cause the position conflict of pipe in this way so that skirt process is difficult, influences work effect
Rate, can be caused when serious can not skirt;In addition, Fig. 2 shows that the sub- layout area area accounting of tube sheet upper tube is seldom, tube sheet is wasted
Area.Therefore, it is particularly significant to rationally design multiple flow wound tube heat exchanger inlet and outlet connection form of tubes.
Invention content
The object of the present invention is to provide a kind of tube sides of multiple flow wound tube heat exchanger to import and export connecting pipe structure, is to be directed to
A kind of joint pipe structure of telescopiform designed by the wound tube heat exchanger of the pipeline layering and zoning domain arrangement of a variety of tube side fluids, can
To facilitate skirt, also may make arrangement of the pipe on tube sheet abundant.
To achieve the above object, the technical scheme is that:A kind of tube side inlet and outlet of multiple flow wound tube heat exchanger
Connecting pipe structure, including take over, interface, multiple flow are around pipe, tube sheet, the multiple flow is respectively wound around central tube in shell around pipe
In external concentric layer, the arrangement of layering and zoning domain is formed, multiple flow passes through enclosure interior respectively around the fluid of pipe into and out of pipe
Upper lower draft tube region connect with respective tube sheet, multiple flow around pipe fluid into and out of pipe respectively on respective tube sheet with
Concentric circular fashion subregion arranges that the tube side fluid of arrangement multiple flow is taken on tube sheet, and the tube side fluid of multiple flow is taken over as set
Stacked structure, that is, the multiple fluid connecting pipes for corresponding to multiple flow arrange that the tube wall of cross section is presented with one heart in a manner of coaxial intussusception
Circle structure, i.e., the cross section that penetralia is taken over are that the cross section of round, other intussusception taken over is circular ring shape, each femoral canal journey stream
The pipe of body is connected to that circle on tube sheet is taken over or circular ring shape is taken in region, takes over and is connected to respective import and export.
Further, the axial length that the core flow during multiple tube side fluids of coaxial intussusception connection are taken over is taken over is more than it
Its fluid connecting pipe axial length, the axial length that intussusception from inside to outside is taken over are sequentially reduced, so as to the arrangement of interface, center stream
For the interface that body is taken in axis direction, the interface of other fluid connecting pipes is upper and lower successively in axis vertical direction, and in the axial direction
It is staggeredly arranged.
Further, when multiple flow is two femoral canal journey stream, the fluid A in the telescopiform structure that two tube side fluids are taken over connects
The wall cross-section of pipe is circular section A, and fluid A pipes of arranging inside the A of circular section, the region that fluid B takes over is by circular section A and set
The annular region being stacked between its external circular section B is constituted, fluid B pipes of arranging in the region that fluid B takes over.
Further, when multiple flow is three femoral canal journey stream, what the fluid A in the telescopiform structure of three fluid connecting pipes took over
Wall cross-section is circular section A, fluid A pipes of arranging inside the A of circular section;The region that fluid B takes over is by circular section A and is nested in
Annular region between its external circular section B is constituted, fluid B pipes of arranging in the annular region that fluid B takes over;Fluid C connects
The region of pipe is made of circular section B and the annular region being nested between its external circular section C, the annulus that fluid C takes over
Arrangement fluid C pipes in domain.
The beneficial effects of the invention are as follows:
The tube side of the multiple flow wound tube heat exchanger of the present invention imports and exports connecting pipe structure, is that a kind of each tube side is taken over same
The joint pipe structure for the telescopiform that heart circle mode is arranged is primarily adapted for use in the pipe layering point of wound tube heat exchanger multiply tube side fluid
The situation of region arrangement, the pipe of various fluids is also arranged in concentric circles on tube sheet.The advantages of this structure is:Respectively
Fluid pipes (skirt process) during being connected to tube sheet from tube bank, will not cause space to be walked as traditional pipe-connecting mode
To conflict, and arrangement of the pipe on tube sheet is very abundant, it is meant that the tube sheet area smaller that same number of tubes needs,
Save material.
Description of the drawings
Fig. 1 is multiple flow wound tube heat exchanger structure and conventional tube side disengaging connecting tube schematic diagram;
Fig. 2 is the Section A-A figure in Fig. 1;
Fig. 3 is the multiple flow wound tube heat exchanger tube side disengaging connecting tube schematic diagram of the present invention;
Fig. 4 is the section B-B enlarged drawing in Fig. 3;
Fig. 5 is the three plume wound tube heat exchanger tube side outlet connecting pipe schematic diagram of tube side of the present invention;
Fig. 6 is the C-C enlarged sections in Fig. 5;
In figure:1. fluid A discharge couplings, 2. fluid A discharge connections, 3. tube sheets, 4. fluid A pipes, 5. shell-side fluids into
Mouth is taken over, 6. fluid B tube banks (4~6 layers), 7. fluid A tube banks (1~3 layer), 8. central tubes, 9. shells, and 10. shell-side fluids go out
Mouth is taken over, 11. fluid A entrance sleeves, 12. fluid A inlet interfaces, 13. fluid B discharge couplings, 14. fluid B discharge connections,
15. fluid B pipes, 16. skirt regions, 17. fluid B entrance sleeves, 18. fluid B inlet interfaces, 19. fluid C discharge couplings,
20. fluid C discharge connections, 21. fluid C pipes, 22. circular section A, 23. circular section B, 24. circular section C.
Specific implementation mode
It is illustrated so that tube side fluid is 2 strands and 3 fluid streams as an example separately below, the tube side fluid more than 3 strands can evidence
This analogizes.
Multiple flow wound tube heat exchanger refers to that there are many fluids for tube side.The pipe of a variety of tube side fluids is in winding is restrained
Various forms is distributed with, the targeted distribution form of the present invention is:A variety of tube side fluid pipe layerings, subregion arrangement;Such as:
1st kind of fluid circuit occupy winding tube bank 1~N1 layer, the 2nd kind of fluid circuit occupy winding restrain (N1+1)~N2
Layer ..., M kind fluid circuits occupy winding tube bank the (NX+1)~NM layers;1~N1 layers are known as region 1, (N1+1)
~N2 layers be known as region 2 ..., the (NX+1)~NM layers pipe be known as region M.Such as fluid A shown in FIG. 1 is at 1~3 layer,
Referred to as region 1;Fluid B is at 4~6 layers, referred to as region 2.
The Integral Thought of the present invention is to design a kind of telescopiform inlet and outlet connecting tube of multiple flow wound tube heat exchanger tube side,
Inlet and outlet connection form of tubes by taking 2 fluid streams of tube side as an example is as shown in Figure 3, Figure 4, and the inlet and outlet by taking 3 fluid streams of tube side as an example connect
Override formats are as shown in Figure 5, Figure 6, and the inlet and outlet connection form of tubes more than 3 bursts of tube side fluids can be analogized.
As shown in Figure 3, Figure 4, a kind of tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure, for tube side 2
Fluid streams, it includes:Fluid A outlet connecting pipes (including fluid A discharge connections 2 and fluid A discharge couplings 1), the outlets fluid B connect
Take over (including fluid B discharge connections 14 and fluid B discharge couplings 13), fluid A inlet connecting branches (including fluid A entrance sleeves
11 and fluid A inlet interfaces 12), fluid B inlet connecting branches (including fluid B entrance sleeves 17 and fluid B inlet interfaces 18), pipe
Plate 3, fluid A pipes 4, fluid B pipes 15.This inlet and outlet connecting pipe structure is the pipe layering for a variety of tube side fluids
Subregion arrangement wound tube heat exchanger and design, other components that this wound tube heat exchanger is included also have:Shell side stream
Body entrance sleeve 5, fluid B restrain (4~6 layers) 6, and fluid A restrains (1~3 layer) 7, central tube 8, shell 9, shell side fluid outlet
Take over 10, skirt region 16.For 3 fluid streams of tube side, further include:Fluid C outlet connecting pipes (including fluid C discharge connections 20
With fluid C discharge couplings 19, inlet connecting branch duplicates), fluid C pipes 21 accordingly also will include the demixing zone of fluid C pipes
Domain.
The structure of the wound tube heat exchanger inlet and outlet connecting tube of 2 plume of tube side, in the inside of shell 9, fluid A pipes 4 twine
It is wound on 1~3 layer of central tube 8, constitutes fluid A tube banks 7, fluid B pipes 13 are wrapped in 4~6 layers of central tube 8, constitute fluid B
Tube bank 6, this tube bank arrangement form are known as the arrangement of layering and zoning domain.Based on this tube bank layering and zoning domain arrangement mode, tube bank
Arrangement of the fairlead on tube sheet 3 arrange that arrangement of the fluid connecting pipe on tube sheet 3 is also with concentric with concentric circular fashion subregion
Circle mode is arranged, the telescopiform structure of 2 connecting tubes is formed:It is described with outlet connecting pipe, the circular section A22's shown in Fig. 4
Inside arrangement fluid A pipes 4, the region are the region of fluid A discharge connections 2, the ring between circular section A22 and circular section B23
Shape region constitutes the region of fluid B discharge connections 14, region arrangement fluid B pipes 15.Interface is connecting tube and exterior line
The part of docking, convenient to be docked with exterior line, design fluid A, which takes over, slightly to be grown, and interface is in the axis direction taken over;Design stream
Body B takes over slightly shorter, vertical direction of the interface in take over axis;Fluid A discharge connections 2 and fluid A discharge couplings 1 constitute fluid A
Outlet connecting pipe structure, fluid B discharge connections 14 and fluid B discharge couplings 13 constitute the outlet connecting pipe structure of fluid B.Stream
Body A inlet connecting branches and fluid B inlet connecting branches structure type are identical as the above-mentioned description as described in outlet connecting pipe.
The structure of the wound tube heat exchanger outlet connecting pipe of 3 plume of tube side is (inlet connecting branch is identical) as shown in Figure 5, Figure 6,
3 bursts of tube side fluids are taken over telescopiform Structural assignments, on the basis of the connecting pipe structure of 2 bursts of tube side fluids described above
On, the annular region between circular section B23 and circular section C24 constitutes the region of fluid C discharge connections 20, region arrangement fluid
C pipes 21;Design fluid C discharge connections take over again slightly shorter, Vertical Square of the fluid C discharge couplings 19 in take over axis than fluid B
To;Fluid C discharge connections 20 and fluid C discharge couplings 19 constitute the outlet connecting pipe structure of fluid C.
The telescopiform structure feature of fluid connecting pipe is:It takes over and is arranged in concentric circles on tube sheet;From inside to outside
It takes over concentric circular section and is respectively designated as circular section A, circular section B, circular section C ..., then arranged inside the A of circular section on tube sheet
Tube side fluid A pipes, the annular region on tube sheet between circular section A and circular section B arranges tube side fluid B pipes, in tube sheet
Annular region between upper circular section B and circular section C arranges tube side fluid C pipes ...;Circular section A and its Inner Constitution fluid
A takes over, and the annular region between circular section A and circular section B forms fluid B and takes over, the annular between circular section B and circular section C
Region forms fluid C and takes over ....For convenience of the arrangement of interface, the relatively other take over longests of fluid A take overs axial length, interface
Direction is in axis direction;Fluid B take overs axial length is slightly short with respect to A fluid connecting pipes, and fluid B interface direction is in axis Vertical Square
To;Fluid C take over axial length fluid relatives B takes over slightly short, and fluid C interface direction is in axis vertical direction;..., with such
It pushes away.The arrangement of this tube side disengaging connecting pipe box stacked, can make arrangement of the pipe on tube sheet very abundant, effectively profit
With tube sheet area, and in skirt region, the space trend of pipe will not clash, and pipe trend is orderly.
Claims (4)
1. a kind of tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure, including multiple flow is around pipe, tube sheet, described more
Plume is respectively wound around in shell around pipe in the concentric layer outside central tube, forms the arrangement of layering and zoning domain, it is characterised in that:
Multiple flow is connect around upper lower draft tube region of the fluid into and out of pipe respectively Jing Guo enclosure interior of pipe with respective tube sheet, multiply
The fluid flowed around pipe is arranged on respective tube sheet with concentric circular fashion subregion respectively into and out of pipe, and multiply is arranged on tube sheet
The tube side fluid of stream is taken over, and the tube side fluid of multiple flow is taken over as telescopiform structure, that is, corresponds to multiple tube side fluids of multiple flow
It takes over and is arranged in a manner of coaxial intussusception, concentric structure is presented in the tube wall of cross section, and the pipe of each stock tube side fluid is connected to
Circle takes over region on tube sheet or circular ring shape is taken in region, takes over and is connected to respective import and export.
2. the tube side of multiple flow wound tube heat exchanger according to claim 1 imports and exports connecting pipe structure, it is characterised in that:
It is axial that the axial length that core flow during coaxially multiple tube side fluids of intussusception connection are taken over is taken over is more than other fluid connecting pipes
Length, the axial length that intussusception from inside to outside is taken over are sequentially reduced, and the interface that core flow is taken over is in axis direction, Qi Taliu
The interface that body is taken over is staggeredly arranged up and down successively in the axial direction in axis vertical direction.
3. the tube side of multiple flow wound tube heat exchanger according to claim 1 imports and exports connecting pipe structure, it is characterised in that:
When multiple flow is two femoral canal journey stream, wall cross-section that the fluid A in the telescopiform structure that two tube side fluids are taken over takes over
For circular section A, the inside circular section A arrangement fluid A pipes, the region that fluid B takes over is by circular section A and is nested in its external circle
Annular region between the B of section is constituted, fluid B pipes of arranging in the region that fluid B takes over.
4. the tube side of multiple flow wound tube heat exchanger according to claim 1 imports and exports connecting pipe structure, it is characterised in that:
When multiple flow is three strands of journey stream, the wall cross-section that the fluid A in the telescopiform structure of three fluid connecting pipes takes over is that circle is cut
Arrangement fluid A pipes inside face A, circular section A;The region that fluid B takes over is by circular section A and is nested in its external circular section B
Between annular region constitute, fluid B pipes of arranging in annular region that fluid B takes over;The region that fluid C takes over is by circular section
B and the annular region being nested between its external circular section C are constituted, arrangement fluid C pipes in the annular region that fluid C takes over
Son.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810940154.7A CN108801000B (en) | 2018-08-17 | 2018-08-17 | Tube side inlet and outlet connecting tube structure of multi-flow wound tube type heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810940154.7A CN108801000B (en) | 2018-08-17 | 2018-08-17 | Tube side inlet and outlet connecting tube structure of multi-flow wound tube type heat exchanger |
Publications (2)
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CN108801000A true CN108801000A (en) | 2018-11-13 |
CN108801000B CN108801000B (en) | 2024-01-12 |
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CN201810940154.7A Active CN108801000B (en) | 2018-08-17 | 2018-08-17 | Tube side inlet and outlet connecting tube structure of multi-flow wound tube type heat exchanger |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110455097A (en) * | 2019-07-30 | 2019-11-15 | 江苏中圣压力容器装备制造有限公司 | Multiple flow spiral winding pipe type high-performance heat exchanger |
CN114526618A (en) * | 2022-03-10 | 2022-05-24 | 郑州大学 | Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger |
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CN103017573A (en) * | 2012-12-25 | 2013-04-03 | 张周卫 | Low-temperature spiral wound heat exchanger for non-converted gas cooler |
CN204665975U (en) * | 2015-05-07 | 2015-09-23 | 镇江飞利达电站设备有限公司 | Multimedium is around heat exchange of heat pipe |
CN105823348A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-flow mixed tube bundle shell and tube heat exchanger |
CN107270741A (en) * | 2017-08-06 | 2017-10-20 | 郑州大学 | Multiple flow reduced pipe wound tube heat exchanger |
CN208887426U (en) * | 2018-08-17 | 2019-05-21 | 上海理工大学 | The tube side of multiple flow wound tube heat exchanger imports and exports connecting pipe structure |
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2018
- 2018-08-17 CN CN201810940154.7A patent/CN108801000B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005147566A (en) * | 2003-11-18 | 2005-06-09 | Toyo Radiator Co Ltd | Double pipe type heat exchanger |
CN201503229U (en) * | 2009-07-31 | 2010-06-09 | 刘福贵 | Spiral plate type heat exchanger |
CN103017573A (en) * | 2012-12-25 | 2013-04-03 | 张周卫 | Low-temperature spiral wound heat exchanger for non-converted gas cooler |
CN204665975U (en) * | 2015-05-07 | 2015-09-23 | 镇江飞利达电站设备有限公司 | Multimedium is around heat exchange of heat pipe |
CN105823348A (en) * | 2016-05-19 | 2016-08-03 | 郑州大学 | Double-flow mixed tube bundle shell and tube heat exchanger |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110455097A (en) * | 2019-07-30 | 2019-11-15 | 江苏中圣压力容器装备制造有限公司 | Multiple flow spiral winding pipe type high-performance heat exchanger |
CN114526618A (en) * | 2022-03-10 | 2022-05-24 | 郑州大学 | Multi-flow inner sleeve spiral twisted flat tube wound tube type heat exchanger |
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