CN109425243A - The internal structure in spiral winded type heat exchanger for inhibiting air whirl - Google Patents
The internal structure in spiral winded type heat exchanger for inhibiting air whirl Download PDFInfo
- Publication number
- CN109425243A CN109425243A CN201810960640.5A CN201810960640A CN109425243A CN 109425243 A CN109425243 A CN 109425243A CN 201810960640 A CN201810960640 A CN 201810960640A CN 109425243 A CN109425243 A CN 109425243A
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- China
- Prior art keywords
- tube bank
- heat exchanger
- upside
- distributor arm
- director element
- 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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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
- F28D7/02—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 helically coiled
- F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
- F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
-
- 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
- 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
- F28D3/04—Distributing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into 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
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
- F28F9/0268—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box in the form of multiple deflectors for channeling the heat exchange medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/32—Details on header or distribution passages of heat exchangers, e.g. of reboiler-condenser or plate heat exchangers
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0033—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cryogenic applications
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
- F28D2021/0064—Vaporizers, e.g. evaporators
-
- 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
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
- F28F2009/224—Longitudinal partitions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
It is a kind of between first and second medium carry out indirect heat exchange heat exchanger include shell；Multiple pipes are wound into the core pipe of heat exchanger with being respectively screw, and form the tube bank of heat exchanger, which is arranged in shell space and including multiple tube layer, and second medium conducts in tube bank；And at least one distributor arm, for the liquid phase of first medium to be assigned to the upside of tube bank, at least one described distributor arm has the bottom with through-hole opposite with upside.According to the present invention, from the downside of the upside towards tube bank of the bottom of at least one distributor arm, at least one director element is prominent to the direction of the upside of tube bank, and extend along longitudinal axis towards the upside of tube bank, the circumferential direction of at least one director element edge tube bank extends at least in the half of the width of the bottom of at least one distributor arm and/or at least one described director element is reached along longitudinal axis in the gap between two tube layer of tube bank.
Description
Technical field
The present invention relates to a kind of spiral winded type heat exchangers.
Background technique
This spiral winded type heat exchanger is used in kinds of processes, such as (is referred to as liquefied for ethylene or natural gas factory
Natural gas factory) in.
In the case where this heat exchanger, the coolant in the shell space of heat exchanger is commonly applied to restrain, the pipe
Beam is arranged in shell space and the pipe including being spirally wound in core pipe, and process stream to be cooled is in the tube
Conduction.In this case, coolant is introduced into heat exchanger with two-phase state, and liquid phase separates in distributor with gas phase,
And tube bank is assigned to by distributor arm.
During the operation of heat exchanger, air whirl is likely to occur in shell space.If this vortex is located at heat exchange
In the top of device, then in the upper-side area of tube bank, they can make the liquid phase flowed out from distributor arm transverse to shell
Or the side of the longitudinal axis of tube bank upward deflects, this makes liquid phase be no longer able to be applied in tube bank in a uniformly distributed manner.
Liquid phase or this uneven distribution of coolant significantly reduce the validity of heat exchanger.
Summary of the invention
Therefore, in this context, the purpose of the present invention is to provide a kind of heat exchangers, and the heat exchanger is in terms of the above problem
It is improved.
The purpose is realized by a kind of heat exchanger of feature with claim 1.
Favourable configuration of the invention is provided in the corresponding subordinate claims, and is described below.
According to claim 1, it provides a kind of for carrying out the heat exchange of indirect heat exchange between first and second medium
Device, comprising:
Shell is made into extending and surrounding shell space along longitudinal axis, and the shell space is for receiving first
Medium,
Multiple pipes are wound into the core pipe of heat exchanger with being respectively screw, and the core pipe is in shell space along longitudinal direction
Axis extends, so that the pipe forms the tube bank of heat exchanger, the tube bank is arranged in shell space and including the diameter in tube bank
It is located at multiple tube layer on another layer to square upper layer, second medium conducts in tube bank, so that heat can be situated between first
It is exchanged indirectly between matter and second medium, and
At least one distributor arm, for by the liquid phase of first medium be assigned to tube bank towards it is described at least one point
The upside of orchestration arm, at least one described distributor arm have the bottom with through-hole opposite with upside, so that liquid phase can be with
The upside of tube bank is transmitted to by the through-hole.
Then, according to the present invention, from the downside of the upside towards tube bank of the bottom of at least one distributor arm, until
A few director element to the direction of the upside of tube bank it is prominent or along longitudinal axis towards the extension of the upside of tube bank, it is described at least
One director element is in the circumferential direction of tube bank at least in the half of the width of the bottom of at least one distributor arm
Extend and/or at least one described director element reaches the tube bank gap between two tube layer of the tube bank along longitudinal axis
In.
The upside of tube bank is formed and by the topmost tube portion of the pipe for the tube bank being wrapped in core pipe along level
Face extends along the plane extended relative to longitudinal axis orthogonal.However, the upside need not be completely flat or be parallel to this
Plane extends, but can have the height profile of bending section and variation (relative to longitudinal axis).Its reason is particularly in pipe
Each pipe or tube portion on the upside of beam have circular cross section.Also particularly: on the upside, the pipe of tube bank
Upper part is gathered into tube bundle, the tube bundle it is prominent from upside and be conducted through the adjacent distributor arm of circumferential direction it
Between gap.In this case, tube bundle respectively terminates in section of jurisdiction, and each pipe is anchored in the section of jurisdiction, corresponding to manage
Piece is fixed in the cylindrical housings of heat exchanger.Due to the tube bundle far from tube bank guidance, the upside of tube bank can also deviate level
Path.The pipe of tube bank especially can wind in core pipe or be fixed in core pipe, and core pipe is allowed to carry the load of tube bank.Make
Weight for the alternative to this, tube bank can be carried by so-called support webs, the support webs be arranged in tube layer it
Between and it is in connection.In this case, support webs can protrude past the upside of tube bank, and can weld there
It connects or is fixed on supporting arm.Supporting arm can be especially fixed in core pipe and shell；Therefore, they will in the form of spoke
Core pipe and shell connect on tube bank.In the case where the modification, supporting arm carries tube bank and core pipe eventually by shell.It changes
So-called stationary support is formed at the top in hot device, because shell and core pipe are fixedly secured to one another here, and is changing
At the bottom of hot device, core pipe is connected to shell especially by sliding support structure.
At least one described director element is prominent or towards prolonging on the upside of the tube bank to the direction of the upside of the tube bank
The fact that stretch can especially mean that at least one described director element is whole before the upside of tube bank or at the upside of tube bank
Only, preferably between guiding device and the upside have gap, or especially enough gaps to avoid with tube bank machine
Tool contact, to protect tube bank to avoid leaking.
It is also possible that at least one described director element is projected into tube bank along longitudinal axis, it is especially projected into pipe
In gap (or multiple gaps) between two tube layer of beam.These tube layer may, for example, be the adjacent in radial directions of tube bank
Tube layer.In this case, at least one described director element can be in the plane of extension perpendicularly to the longitudinal axis with spy
Fixed part is projected into tube bank over the whole length.The appropriate clearance that at least one described director element can protrude into can also
To be present in radial directions between two tube layer of not direct neighbor.Therefore, because pipe is brought out and becomes cluster, tube layer along
The longitudinal axis of shell terminates (these differences may, for example, be 100 millimeters to 150 millimeters) with different height.Thus, for example
In specific location circumferentially, n-th of tube layer can be terminated highly, but (n+1) a tube layer is low, (n+2) a tube layer
It is high again.Also it can be used every these gaps between one (being higher than (n+1) a tube layer here).
In the embodiments described herein, those of pipe is not formed as in fact especially with regard to wherein corresponding director element
Apply example, can make: corresponding director element in axial direction, be not the upside for extending downward into tube bank along longitudinal axis
Or farther (such as the gap for entering tube bank), but terminated on upside.In this case, corresponding director element can be with
Vertical range between the upside and the downside of the bottom of corresponding distributor arm of tube bank at least 70%, particularly at least
Extend on 80%, particularly at least 90%, particularly at least 95% or especially at least 99%.
In all embodiments, at least one described director element is preferably separately formed with core pipe, i.e., in other words,
Core pipe is not understood to imply from the bottom of at least one distributor arm director element outstanding.
At least one described director element is formed to prevent the gas phase of first medium and/or liquid phase on the upside of tube bank
Crossing current move (such as due to air whirl), or since it executes the function relative to the arrangement of the upside of tube bank.Here
It is understood that, the dynamic flowing or its direction especially occurred on the direction of the upside extension along tube bank of crossing current has extremely
The component of a few extension perpendicularly to the longitudinal axis.
In this case, director element can protect liquid phase from the influence of air whirl, especially from tube bank
The influence that crossing current on upside moves, or pass through its cloth between the bottom of at least one distributor arm and the upside of tube bank
It sets, inhibit or at least reduces this crossing current dynamic, allow liquid phase by following gravity to be directly distributed in a downward direction.
A particularly preferred embodiment according to the present invention, at least one described director element are formed as guide plate, spy
It is not baffle, the guide plate is connected to the bottom of at least one distributor arm, institute as above especially through border region last week
It states, opposite following peripheral at least extends downwardly into the upside of tube bank.At least one described director element or guide plate preferred vertical
Ground is arranged on the downside of the bottom of at least one distributor arm.Guide plate especially forms the closing table in no hole/hole
Face region.
According to one embodiment of present invention, at least one described director element extends along the circumferential direction of tube bank, and
And also extend especially along the longitudinal axis of shell.
According to one embodiment of present invention, at least one described distributor arm has two side walls, described two side walls
In the circumferential direction of tube bank or shell opposite to each other, and respectively along the radial direction of tube bank from inside to outside towards heat exchanger
Shell extend, but also the top cover of at least one distributor arm described in reaching bottom-up respectively along longitudinal axis.
According to one embodiment of present invention, at least one described director element is along shell or the circumferential direction of tube bank from one
A side wall extends to another side wall.In other words, it means that director element is entire the bottom of corresponding distributor arm
Extend along circumferential direction on width.
According to one embodiment of present invention, plane of at least one the described director element in extension perpendicularly to the longitudinal axis
In have bending section, especially with constant curvature radius bending section so that especially director element towards in core pipe
At a distance from side is generally kept constant with longitudinal axis.Therefore, in the present embodiment, at least one described director element has extremely
Few concavely curved inside towards core pipe and the outside with convex curvature away from core pipe or inside.
In addition, the radius of curvature of at least one described director element or corresponding director element can be located at tube layer
Between the radius of curvature of the pipe radially more outward of the radius of curvature and tube layer of radially more inner pipe.
According to one embodiment of present invention, heat exchanger has multiple director elements, and the director element is respectively from described
The direction protrusion of the lower upside laterally restrained of the upside towards the tube bank of the bottom of at least one distributor arm or edge
Longitudinal axis extend (referring also to above) towards the upside of tube bank, the director element respectively the circumferential direction of tube bank up to
Few extension and/or the director element in the half of the width of the bottom of at least one distributor arm are respectively along longitudinal direction
Axis is projected into the tube bank gap between two tube layer of the tube bank.
These multiple director elements especially can be multiple above-mentioned (especially curved) guide plates, these guide plates can be with
Especially it is arranged in the gap between adjacent tube layer with following peripheral respectively.
Heat exchanger can certainly have multiple distributor arms, and the distributor arm is respectively radially from core pipe direction
Shell extends, there are intervening spaces between every two adjacent distributor arm in the circumferential direction of shell, by it is described between two parties
Space, the pipe or tube bundle of tube bank are directed over distributor arm and reach specified section of jurisdiction, and the section of jurisdiction is fixed on shell.It is former
On then, at least one or two can be set on all distributor arms above according to director element of the invention.
At least one described distributor arm or corresponding distributor arm, which can have, (with respect to the horizontal plane or to be transversely to the machine direction
The plane that axis extends) circular sector form cross section, i.e. the form as one piece of cake.Correspondingly, distributor arm is corresponding
Bottom is preferably correspondingly formed in the form of circular sector.
Provided that multiple director elements, especially guide plate (seeing above), then preferably, director element is in radial side
It is disposed adjacently to one another upwards, along the radial direction, at least one described distributor arm extends from core pipe towards shell.It is special
Not, in this case, all guide plates can extend along the circumferential direction of shell, especially along the downside of bottom
Another side wall is extended to from a side wall of related distributor arm.In this case, each director element or guide plate can
In the gap that is projected between the adjacent tube layer of tube bank respectively.
More inner guide plate, the length i.e. closer to the guide plate of core pipe in the circumferential direction of shell in radial directions
Degree can be smaller than the corresponding length of peripheral panels more outward, for example, if corresponding distributor arm has the cross of the form of circular sector
Section (seeing above) and accordingly guide plate extend to the another of the distributor arm from a side wall of related distributor arm
A side wall.
In an alternative embodiment, at least one described director element or multiple director elements be respectively formed as with
The pipe of the specified vented liquid connection of bottom.In this case, corresponding pipe can abut the bottom of corresponding distributor arm
The specified through-hole in portion.Particularly, each through-hole of corresponding distributor arm can be connected in the above described manner to this pipe.May be used also
Using it is contemplated that providing multiple pipes as director element, multiple through-holes lead in same pipe, the pipe has corresponding bigger at this time
Diameter.
In this case, pipe must not necessarily have circular cross section.On the contrary, here director element can also respectively by
The channel extended in the direction of the longitudinal axis is formed, and mesospore extends around the channel, and the channel and bottom are at least
One vented liquid connection.
According to another alternative embodiment, at least one described director element forms multiple channels, the multiple channel
Extend and have corresponding wall in the direction of the longitudinal axis, adjacent channel forms the wall of shared wall or adjacent channel
Adjacent to each other, the bottom at least one distributor arm of corresponding wall limit shell space and the upside of the tube bank it
Between region, at least one through-hole of the bottom of at least one distributor arm leads in the region.
In this case, according to one embodiment, channel is formed with the cross section of the side n shape, wherein n is greater than or equal to
3, especially 4 or 6.Therefore, channel can especially be formed with the cross section of rectangle (n=4) or honeycomb (n=6).According to this hair
Bright one embodiment can also make at least one described director element be extended by the periphery along the bottom and surround shell
The wall in the region between the bottom of at least one distributor arm and the upside of tube bank in space is formed, it is described at least one
The through-hole of the bottom of distributor arm is led in the region.The wall can particularly from core pipe along the periphery in radial side
Extend upwardly to the end-face wall of distributor arm, therefrom along the circumferential direction of shell extend to distributor arm opposing sidewalls and
Core pipe is run back to along radial direction therefrom.
In other words, in case of the present embodiment, the channel that especially direction of axis extends along longitudinal direction is therefore by wall
Limit, wall can form the extendible portion of the side wall of distributor arm from the direction of the prominent axis along longitudinal direction in the bottom of distributor arm.
Detailed description of the invention
By below with reference to attached drawing the description of the attached drawing of exemplary embodiment is explained further details of the invention and
Advantage, in which:
Fig. 1 shows the downside guide plate outstanding of the bottom according to the present invention with the distributor arm from heat exchanger
The schematic cross sectional views of the heat exchanger of the director element of form；
Fig. 2 shows the schematic plans of the downside of the bottom of heat exchanger shown in Fig. 1；
Fig. 3 shows the perspective of the heat exchanger according to the present invention of type shown in Fig. 1 and 2, partial sectional view；
Fig. 4 shows the schematic plan of the downside of the bottom of heat exchanger according to the present invention, wherein cellular to lead
It is prominent to element from the downside；
Fig. 5 shows the schematic plan of the downside of the bottom of heat exchanger according to the present invention, wherein has rectangle list
The director element of member is prominent from the downside；
Fig. 6 shows the schematic plan of the downside of the bottom of heat exchanger according to the present invention, wherein has the bottom of along
The director element for the wall that portion extends is prominent from the downside；
Fig. 7 shows the schematic cross sectional views of heat exchanger shown in Fig. 6；
Fig. 8 shows the schematic plan of the downside of the bottom of heat exchanger according to the present invention, wherein tubulose guiding member
Part is prominent from the downside；And
Fig. 9 shows the schematic cross sectional views of heat exchanger shown in fig. 8.
Specific embodiment
Fig. 1 combination Fig. 2 and 3 shows according to the present invention for carrying out indirect thermal between first and second medium M, M'
One embodiment of the heat exchanger of exchange.Heat exchanger 1 includes shell 5, and the shell 5 is made into extending simultaneously along longitudinal axis z
Surround the shell space 6 for receiving first medium M；And multiple pipes 30, the pipe 30 are wound into heat exchanger 1 with being respectively screw
Core pipe 300 on, the core pipe 300 in shell space 6 along longitudinal axis z extend so that pipe 30 formed heat exchanger 1 pipe
Beam 3, the tube bank 3 be arranged in shell space 6 and including on the radial direction R of tube bank 3 one layer be located on another layer
Multiple tube layer 32, second medium M' tube bank 3 in conduct so that between heat can be between first medium M and second medium M'
Ground connection exchange.Second medium M' particularly at least one by being arranged on shell 5 can connect mouth (being not shown in Fig. 3) introducing
Into tube bank 3, and mouth 4 can be connect by least one being arranged on shell 5 and is extracted out from tube bank 3.Tube bank 3 can also be by
Sheath 7 surrounds, and the sheath 7 is used to reduce the bypass flowing in shell space 6 (by tube bank 3).
Heat exchanger 1 also has at least one distributor arm 21, it is therefore preferred to have multiple distributor arms 21 are used for first
The liquid phase F of medium M be assigned to tube bank 3 the upside 3a towards corresponding distributor arm 21, corresponding distributor arm 21 have with
The upside 3a opposite bottom 200 with through-hole 205, so that liquid phase F can be transmitted to the upper of tube bank 3 by through-hole 205
Side 3a.The difference from Fig. 3 is that for simplicity, Fig. 2,4,5,6 and 8 illustrate only a distributor arm 21 respectively.
Corresponding distributor arm 21 is especially in the radial direction R prominent from core pipe 300, and corresponding distributor arm 21 is vertical
It is arranged in longitudinal axis z and is preferably flowed with the core pipe 300 and is connected.Core pipe 300 is again prominent from pre-distributor 20, described
Pre-distributor 20 be arranged in tube bank 3 and distributor arm 21 on and first medium M collect in the pre-distributor 20 and
Especially deaerate in the pre-distributor 20.Liquid phase F can be correspondingly flowed into core pipe 300 simultaneously then from pre-distributor 20
It is flowed into corresponding distributor arm 21.As by way of core pipe 300, liquid phase F can also not supplied by circular passage
Into corresponding distributor arm 21, the circular passage is for example around the internal stretch of shell 5.Then, from corresponding distributor
The downside 200a of the upside 3a towards tube bank 3 of the bottom 200 of arm 21, the upside 3a of at least one director element 22 to tube bank
Direction is prominent, thus, extend respectively along the upside 3a of longitudinal axis z towards tube bank 3.Preferably, at least one described guiding
Element 22 extends at least over the width B's of the bottom 200 of at least one distributor arm 21 along the circumferential direction U of tube bank 3
Half (referring to fig. 2).
According to embodiment shown in Fig. 1 to 3, many such director elements 22 are provided, guide plate is respectively formed as.
In this case, longitudinal axis z of the corresponding guide plate 22 by border region last week 221 relative to perpendicular positioning is connected to phase
The downside 200a of the bottom 200 for the distributor arm 21 answered, the opposite next week border region 222 of corresponding guide plate 22 is in tube bank 3
Upside 3a at terminate, or as shown in Figure 1, be respectively protruding on radial direction R one layer of two pipe being located on another layer
In gap 31 between layer 32.As has already been mentioned above, this can be the gap 31 between adjacent tube layer 32 or two tube layer
The gap on some other recess/gap, such as tube layer between 32, compared with two sides are two adjacent tube layer, position
In reduced levels, therefore, representative is gap.Preferably, the machinery between corresponding director element 22 and tube bank 3 is avoided to connect
Touching, to reduce the risk of 3 leakage of tube bank.
Director element or guide plate 22 are preferably disposed adjacently to one another on radial direction R, corresponding distributor arm 21
Extend along the radial direction R from core pipe 300 towards shell 5, one or two of through-hole 205 is above to be respectively led in diameter
Intervening spaces on the R of direction between two adjacent guide plates 22, allow liquid phase F be discharged to tube bank 3 upside 3a it
On corresponding intervening spaces in.
The director element 22 constructed in this way is in this case for preventing the gas phase G of first medium M in tube bank 3
Upside 3a on or along tube bank 3 upside 3a or along radial direction R flow over.As a result, liquid phase F can pass through distributor arm 21
It is uninterruptedly discharged in a downward direction along longitudinal axis z, and prevents the uneven distribution of liquid phase F.
As can be seen that corresponding guide plate 22 is preferably along tube bank 3 or the circumferential direction U of shell 5 in from Fig. 1 to Fig. 3
Extend, and in this case preferably there is crooked route (especially have radius of curvature R '), so that being oriented to accordingly
The concavely curved side of plate 22 is to core pipe 300, and corresponding convexly curved side is in an outward direction towards shell 5.
Corresponding distributor 21 also has two side walls 203,204, and the side wall 203,204 is in tube bank 3 or the week of shell 5
It is relative to each other on the U of direction, extend respectively along shell 5 of the radial direction R from Inside To Outside towards heat exchanger 1 of tube bank 3
And it is projected upwards respectively along longitudinal axis z from the periphery 200b of the bottom 200 of corresponding distributor arm 21.
Corresponding distributor arm 21 also has end-face wall 201, and the end-face wall 201 is opposite with shell 5 on radial direction R
And two side walls 203,204 are connected to each other.In an upward direction, corresponding distributor arm 21 is preferably by top cover 206
Closing, the top cover 206 are connected to corresponding side wall 203,204 and end-face wall 201 and tilt upwards towards core pipe 300, make
The gas phase G for obtaining first medium M can rise to core pipe 300 along ridge 206.
Preferably (referring particularly to Fig. 2), corresponding director element 22 is under the bottom 200 of corresponding distributor arm 21
U from a side wall 203 extends to another side wall 204 (that is, in bottom 200 in circumferential direction along circumferential direction on the 200a of side
Extend on entire width B on the U of direction, the width B of bottom 200 can change on radial direction R, especially with circular sector
Form bottom 200 in the case where).
There are gap between adjacent every two distributor arm 21 on the circumferential direction U of shell 5, restrain 3 by pipe 30
The tube bundle 33 that is formed of end distributor arm 21 be directed over by the gap respectively reach specified section of jurisdiction 34, the pipe
Piece 34 is fixed on respectively on shell 5.
Fig. 4 shows another embodiment of the present invention, wherein the director element 22 of connecting is respectively from corresponding distributor arm
The direction of the downside 200a of 21 bottom 200 towards the upside 3a of tube bank 3 extend.Corresponding director element 22 forms multiple channels
22a, the channel 22a extend respectively along longitudinal axis z, and corresponding channel 22a is surrounded by surrounding wall 22b and distinguished limit
The region B' between the bottom 200 of at least one distributor arm 21 and the upside 3a of tube bank 3 of shell space 6 out, institute
At least one through-hole 205 for stating the bottom 200 of at least one distributor arm 21 is led in the region B'.
Each surrounding wall 22b is to be especially the cross section (be parallel to corresponding bottom 200 extend cross section) of hexagon
Adjacent wall 22b is formed and is connected respectively to, so that corresponding director element 22 generally forms honeycomb, from figure
4 can be seen that.Therefore, each channel 22a shares their corresponding surrounding wall 22b with adjacent channel 22a.
Fig. 5 shows the remodeling of director element 22 shown in Fig. 4, here, the difference from Fig. 4 is that, Ge Getong
The cross section of the upper surface of road 22a definition has rectangular shape.In figures 4 and 5, channel 22a can be under corresponding bottom 200
Deviate hexagon or rectangular shape at the periphery 200b of side 200a (especially because the bottom 200 of distributor arm 21 is preferably with circle
Fan-shaped form construction).
Fig. 6 combination Fig. 7 shows another embodiment of director element 22 according to the present invention, wherein it is described at least one
Director element 22 is formed by wall 22, and the wall 22 extends and along the outer periphery 200b of bottom 200 from specified distributor arm 21
Bottom 200 downside 200a to it is described tube bank 3 the direction of upside 3a it is prominent.The wall or the director element 22 are herein
With first part 22c, the first part 22c extends outwardly into specified distributor arm on radial direction R from core pipe 300
21 end-face wall 201.Therefrom, U prolongs the second part 22d of the first part 22c for being connected to wall 22 of wall 22 along circumferential direction
It reaches the opposite segments of the periphery 200b of bottom 200 and is connected to the Part III 22e of wall 22 there, the third portion of wall 22
22e is divided to extend back into core pipe 300 along radial direction R.Therefore, director element 22 surround shell space 6 in specified distribution
The through-hole 205 of region B' between the bottom 200 of device arm 21 and the upside 3a for restraining 3, the bottom 200 of corresponding distributor arm are logical
Into the region B'.In this case, various pieces 22c, 22d, 22e of wall 22 connect especially through border region last week 221
It is connected to the downside 200a of corresponding bottom 200, and corresponding opposite next week border region 222 extends along the downside 3a of tube bank 3.
In this case, corresponding opposite next week border region 222 can also reach one or two of tube bank 3 by specific part
In the above gap.
Another embodiment according to shown in Fig. 8 and Fig. 9, corresponding distributor arm 21 have multiple director elements 22, institute
It states director element 22 to be respectively configured as having around the channel of ring wall 220 22 herein, corresponding channel 22 can be made by having spy
It is not the formation of pipe 22 of circular cross section, corresponding pipe 22 or corresponding channel 22 from the bottom 200 of corresponding distributor arm 21
Downside 200a it is prominent.In this case, the through-hole 205 of the bottom 200 of corresponding distributor arm 21 is led to respectively in pipe 22
One in.Pipe 22 extends downwardly into the upside 3a of tube bank 3 and termination or difference at the 3a of upside respectively along longitudinal axis z
One end is reached in the gap for restraining 3, such as in the gap 31 being present between two tube layer 32.
Reference signs list
Claims (13)
1. a kind of heat exchanger (1), for carrying out indirect heat exchange, the heat exchange utensil between first and second medium (M, M')
Have:
Shell (5) is made into extending and surrounding shell space (6) along longitudinal axis (z), and the shell space (6) is used for
It receives first medium (M),
Multiple pipes (30), are wound into the core pipe (300) of heat exchanger (1) with being respectively screw, and the core pipe (300) is along vertical
Extend in shell space (6) to axis (z), so that pipe (30) forms the tube bank (3) of heat exchanger (1), the tube bank (3) is by cloth
It sets in shell space and includes upper one layer of radial direction (R) the multiple tube layer being located on another layer for restraining (3)
(4), second medium (M') can enable heat at first medium (M) by least one pipe (30) conduction of tube bank (3)
The indirect exchange between second medium (M'), and
At least one distributor arm (21), be used to for the liquid phase (F) of first medium (M) being assigned to tube bank (3) towards described
The upside (3a) of at least one distributor arm (21), at least one described distributor arm (21) have the band opposite with upside (3a)
There is the bottom (200) of through-hole (205), so that liquid phase (F) can be transmitted to the upside (3a) of tube bank (3) by through-hole (205),
It is characterized in that, from the upside (3a) towards tube bank (3) of the bottom (200) of at least one distributor arm (21)
Downside (200a), at least one director element (22) is prominent to the direction of upside (3a) of tube bank (3), at least one described guiding
Element (22) is in the circumferential direction (U) of tube bank (3) at least in the phase of the bottom (200) of at least one distributor arm (21)
It answers and extends in the half of width (B) and/or at least one described director element (22) along longitudinal axis (z) reaches tube bank (3)
Two tube layer (32) for being arranged in tube bank (3) between gap (31) in.
2. heat exchanger according to claim 1, which is characterized in that at least one described director element (22) is formed to prevent
Only the gas phase of first medium (M) and/or liquid phase (F) are flow over dynamic on the upside (3a) of tube bank (3).
3. heat exchanger according to any one of the preceding claims, which is characterized in that at least one described director element
(22) be formed as guide plate (22).
4. heat exchanger according to any one of the preceding claims, which is characterized in that at least one described director element
(22) extend along the circumferential direction (U) of the tube bank.
5. heat exchanger according to any one of the preceding claims, which is characterized in that at least one described distributor arm
(21) there are two side walls (203,204), the side wall (203,204) is relative to each other in the circumferential direction (U) of tube bank (3),
And extend respectively along the radial direction of tube bank (3) (R), circumferential direction of at least one the described director element (22) in shell (5)
Another side wall (204) is extended to from a side wall (203) on direction (U).
6. heat exchanger according to any one of the preceding claims, which is characterized in that at least one described director element
(22) (z) perpendicularly to the longitudinal axis extend plane in bending section, particularly have constant curvature radius (R') it is curved
Pars convoluta.
7. heat exchanger according to any one of the preceding claims, which is characterized in that the heat exchanger (1) has multiple lead
To element (22), the multiple director element (22) is respectively from the face of the bottom (200) of at least one distributor arm (21)
The direction of upside (3a) to the downside (200a) of the upside (3a) of tube bank (3) towards tube bank (3) is prominent, and director element (22) is respectively
At least in the respective width of the bottom (200) of at least one distributor arm (21) in the circumferential direction (U) of tube bank (3)
(B) extend in half and/or at least one described director element (22) respectively along longitudinal axis (z) reaches tube bank (3)
It is arranged in the gap (31) between two tube layer (32) of tube bank (3).
8. heat exchanger according to claim 8, which is characterized in that the director element (22) on radial direction (R) that
This is disposed adjacently, at least one described distributor arm (21) is along the radial direction (R) from core pipe (300) to shell (5)
Extend.
9. according to claim 1, heat exchanger described in any one of 2,5 and 8, which is characterized in that at least one described guiding member
Part (22) forms the channel (22) with wall (220) that the direction of axis (z) along longitudinal direction extends, the channel (22) and bottom
(200) at least one through-hole (205) fluidly connects.
10. heat exchanger according to claim 9, which is characterized in that channel (22) are by especially having circular cross section
Pipe (22) formed.
11. according to claim 1, heat exchanger described in any one of 2 and 5, which is characterized in that at least one described director element
(22) multiple channels (22a) are formed, the direction of the channel (22a) axis (z) along longitudinal direction extends and has corresponding wall
(22b), adjacent channel (22a) form the wall (22b) of shared wall (22b) or adjacent channel (22a) adjacent to each other, accordingly
Wall (22b) bound shell space (6) bottom (200) at least one distributor arm (21) and tube bank (3)
Region (B') between upside (3a), at least one through-hole (205) of the bottom (200) of at least one distributor arm (21)
It leads in the region (B').
12. heat exchanger according to claim 11, which is characterized in that channel (22a) is formed with the cross section of the side n shape,
In, n is greater than or equal to 3, particularly n and is equal to 4 or equal to 6.
13. according to claim 1, heat exchanger described in any one of 2 and 5, which is characterized in that at least one described director element
(22) formed by wall (22), the wall (22) along bottom (200) periphery (200b) extend and surround shell space (6)
Region (B') between the bottom (200) of at least one distributor arm (21) and the upside (3a) for restraining (3), it is described at least
The through-hole (205) of the bottom (200) of one distributor arm (21) is led in the region (B').
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17020369.9 | 2017-08-22 | ||
| EP17020369.9A EP3447425A1 (en) | 2017-08-22 | 2017-08-22 | Inserts in a coiled heat exchanger for suppression of gas eddies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425243A true CN109425243A (en) | 2019-03-05 |
Family
ID=59686717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810960640.5A Pending CN109425243A (en) | 2017-08-22 | 2018-08-22 | The internal structure in spiral winded type heat exchanger for inhibiting air whirl |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190063843A1 (en) |
| EP (1) | EP3447425A1 (en) |
| CN (1) | CN109425243A (en) |
| RU (1) | RU2018130352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013576A (en) * | 2019-05-28 | 2020-12-01 | 马勒国际有限公司 | Immersion tube for distributing refrigerant in refrigerator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7180130B2 (en) * | 2018-06-07 | 2022-11-30 | 富士通株式会社 | Immersion bath |
| EP3719433A1 (en) * | 2019-04-02 | 2020-10-07 | Linde GmbH | Adjustable liquid distributor of a coiled heat exchanger for implementing different liquid loads |
| EP4337908A1 (en) * | 2021-05-12 | 2024-03-20 | Linde GmbH | Wound heat exchanger and method |
| EP4359718A1 (en) * | 2021-06-23 | 2024-05-01 | Linde GmbH | Controllable injection for implementing different local refrigerant distribution |
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| US4201262A (en) * | 1978-08-07 | 1980-05-06 | Goldstein Stanley A | Cooler for chilling a working fluid |
| NL8103640A (en) * | 1980-08-12 | 1982-03-01 | Regehr Ulrich | COUNTERFLOW COOLING TOWER, IN PARTICULAR BACK COOLING TOWER FOR STEAM POWER INSTALLATIONS. |
| CH658198A5 (en) * | 1983-01-04 | 1986-10-31 | Sulzer Ag | LIQUID DISTRIBUTOR IN A SUBSTANCE AND HEAT EXCHANGE COLUMN. |
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| JPS6135825A (en) * | 1984-07-26 | 1986-02-20 | Eiichi Uratani | Apparatus for dehumidifying compressed gas |
| US5013491A (en) * | 1989-06-09 | 1991-05-07 | Nutter Dale E | Apparatus for distributing liquid in gas-liquid contact apparatus, and method for making it |
| US5916529A (en) * | 1989-07-19 | 1999-06-29 | Chevron U.S.A. Inc | Multistage moving-bed hydroprocessing reactor with separate catalyst addition and withdrawal systems for each stage, and method for hydroprocessing a hydrocarbon feed stream |
| JP2580991B2 (en) * | 1993-12-29 | 1997-02-12 | 石川島播磨重工業株式会社 | Cooling method of cooling water and cooling water tower |
| US5439620A (en) * | 1994-01-12 | 1995-08-08 | Mitsubishi Corporation | Liquid distributor to be used in substance and/or heat exchanging |
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| US5572885A (en) * | 1995-06-06 | 1996-11-12 | Erickson; Donald C. | Shrouded coiled crested tube diabatic mass exchanger |
| JP3269634B2 (en) * | 1997-03-17 | 2002-03-25 | 株式会社日立製作所 | Liquid distribution device, falling film heat exchanger, and absorption refrigerator |
| DE10001112A1 (en) * | 2000-01-13 | 2001-07-19 | Alstom Power Schweiz Ag Baden | Cooling air cooler for gas turbine unit, with water separator on cooling air side behind jet device in flow direction |
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| DE102012000146A1 (en) * | 2012-01-05 | 2013-07-11 | Linde Aktiengesellschaft | Liquid distributor for distributing liquid on tube bundle of wound heat exchanger, has deflector element designed rotational symmetric to longitudinal axis of downpipe, and cladding line sectionally concavely curved |
| DE102012002526A1 (en) * | 2012-02-09 | 2013-08-14 | Linde Ag | Liquid distributor for distributing liquid to e.g. tube bundle in heat exchanger and material exchange column, has through holes assigned with conduit tube such that liquid located in distribution container is discharged through tube |
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-
2017
- 2017-08-22 EP EP17020369.9A patent/EP3447425A1/en not_active Withdrawn
-
2018
- 2018-08-21 RU RU2018130352A patent/RU2018130352A/en not_active Application Discontinuation
- 2018-08-21 US US16/107,096 patent/US20190063843A1/en not_active Abandoned
- 2018-08-22 CN CN201810960640.5A patent/CN109425243A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013576A (en) * | 2019-05-28 | 2020-12-01 | 马勒国际有限公司 | Immersion tube for distributing refrigerant in refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3447425A1 (en) | 2019-02-27 |
| US20190063843A1 (en) | 2019-02-28 |
| RU2018130352A (en) | 2020-02-25 |
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| WD01 | Invention patent application deemed withdrawn after publication |