CN110462331A - Heat exchanger with the liquid/gas mixer apparatus for adjusting channel part - Google Patents
Heat exchanger with the liquid/gas mixer apparatus for adjusting channel part Download PDFInfo
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- CN110462331A CN110462331A CN201880020623.1A CN201880020623A CN110462331A CN 110462331 A CN110462331 A CN 110462331A CN 201880020623 A CN201880020623 A CN 201880020623A CN 110462331 A CN110462331 A CN 110462331A
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- passage
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- fluid
- heat exchanger
- entrance
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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
- F28F9/02—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
- F28F9/028—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
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- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
- F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
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- 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
- F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/18—External refrigeration with incorporated cascade loop
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
-
- 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
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- 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
The present invention relates to a kind of heat exchanger (1), the heat exchanger includes multiple plates (2), these plates are set in parallel to limit the second series access (20) for guiding the First Series access (10) of at least one first fluid (F1) and for guiding at least one second fluid (F2), the second fluid at least will be in heat exchange relationship with the first fluid (F1), mixer apparatus (3) are provided at least one access (10) described in the First Series, and the mixer apparatus includes: at least one first passage (31) flowed on longitudinal direction (z) for the first phase (61) of the first fluid (F1), for at least one second channel (32) of the second phase (62) flowing of the first fluid (F1), and multiple openings (34), often The first passage (31) is fluidly connected by a opening with the second channel (32).According to the present invention, the section of the first passage (31) measured perpendicular to the longitudinal direction (z) can change along the longitudinal direction (z).
Description
The present invention relates to a kind of heat exchanger, which includes for making every kind of fluid in multiple fluid be in heat
A series of accesses of commutative relation, the exchanger include at least one mixer apparatus, which is matched
It sets in an access at least one liquid/gas two-phase mixture to be assigned in this series of access.
Particularly, present invention could apply to following heat exchanger, which makes at least one liquid-gas mixture
Stream, especially multicomponent mixture (such as hydrocarbon mixture) stream are by carrying out heat with other at least one fluids (such as natural gas)
It exchanges and evaporates.
Technology commonly used in exchanger is the technology of aluminium soldering plate and fin exchanger, this makes it possible to obtain highly compact
And the device of larger swap table area is provided.
These exchangers include plate, insert a series of heat exchange formed by fins or ripple branch between the plates
Ripple, to constitute the stacked body of evaporation flow paths and condensation pass, some of which is intended to evaporated refrigerant liquid, and other
It is designed to condensation heat production gas.Heat exchange between fluid can be adjoint or be not accompanied by phase transformation and occurs.
In order to ensure being needed using the ratio of the exchanger correct operation of liquid-gas mixture, liquid and gas all logical
It is identical in road and needs to be uniform in same access.
The size of exchanger be calculated under the premise of these are mutually evenly distributed, and be therefore liquid phase evaporation terminate
When single temperature (equal to the dew point of mixture) under the premise of calculate.
In the case where multicomponent mixture, the temperature at the end of evaporation will depend on the ratio of the liquid and gas in access
Example.
In the case where two phase uneven distributions, the temperature curve of first fluid then changes between access, or very
Extremely change in same access.Due to this non-uniform distribution, there are following possibilities: being in heat exchange with two-phase mixture
(a variety of) fluid of relationship may have higher than expected exchanger outlet temperature, and therefore it reduce the property of heat exchanger
Energy.
A kind of solution evenly distributing the liquid and gas of mixture as far as possible is that they are separately introduced to friendship
In parallel operation, then they are mixed once they are in exchanger.
Document FR-A-2563620 describes such a exchanger, wherein it is inserted into a series of accesses with slotted bar,
This is intended to guide two-phase mixture with slotted bar.This mixer apparatus include for liquid and gas individual passage, with
And the outlet for liquid-gas mixture to be assigned to heat exchange zone.
Such mixer apparatus there are the problem of be related to liquid-gas mixture in the access for constituting mixer apparatus
Distribution on width.In order to mix the two, mixer apparatus is generally included for a first passage mutually flowed.This
Channel is equipped with a series of openings being arranged along the channel, each second channel flowed with another phase of confession fluidly phase that is open
Even.When fluid is supplied in the entrance for leading to first passage, the flow of the fluid tend to fluid along channel flowing and
Reduce.This is because the flow of fluid is reduced with being supplied opening.
These openings are usually machined to longitudinal direction and the therefore quilt when fluid velocity is very fast perpendicular to fluid
For deserved not so good.Therefore, the opening that feeder connection side is arranged in has insufficient trend, and farther away from feeder connection
Opening is excessively supplied.The result is that corresponding be mutually unevenly introduced into the channel of another phase, therefore liquid-gas mixture is caused to exist
Uneven distribution on the width of exchanger access.
In order to minimize this phenomenon, a solution is to come via two opposite entrances in channel to relevant
Channel is supplied, and the longitudinal velocity of fluid is minimized.However, especially having been served as when needing highly uniform distribution
When journey is highly sensitive to bad distribution, this solution is unsuitable.
It is possible for increasing the quantity in channel, but also has its limitation: in terms of the mechanical strength of device and soldering, channel
Quantity not can increase excessively.
The purpose of the present invention is solving the above problems completely or partially, especially by proposing a kind of heat exchanger, wherein
The distribution of the liquid and gas of mixture is as uniform as possible, and is in the complexity or increasing that the structure of exchanger is not excessively increased
This point is realized in the case where its big size.
Therefore, solution according to the present invention provides a kind of heat exchanger, which includes several plates, this
A little plates are set in parallel to limit the First Series access for guiding at least one first fluid and be used to guide at least one
The second series access of kind of second fluid, the second fluid at least will be in heat exchange relationship with the first fluid, this
It is provided with mixer apparatus at least one a series of described access, and the mixer apparatus includes:
At least one first passage for supplying the first phase of the first fluid to flow in a longitudinal direction,
At least one second channel of the Two phase flow of the first fluid is supplied,
The first passage includes several openings that the first passage is fluidly connected with the second channel,
It is characterized in that, the section perpendicular to longitudinal direction measurement of the first passage is can along the longitudinal direction
Become.
According to this case, exchanger of the invention may include one or more in following technical characteristic:
The first passage along the longitudinal direction include section at least one variation.
The first passage include for for should the first phase first entrance and at least the one of the first entrance downstream
A first part, section of the first passage at the first part are greater than the first passage in the section of the first access point.
The first part includes at least one recess being arranged at least part of the wall of the first passage.
The mixer apparatus has several successive first passages on the lateral orthogonal with the longitudinal direction,
At least one described recess is opened to the described first successive channel.
The first passage include for for should the first phase first entrance and the first entrance downstream is set extremely
A few first part, section of the first passage at the first part are less than the first passage cutting in the first access point
Face.
The first passage includes several first parts being arranged along the longitudinal direction.
Several described first parts have different sections.
The section of several first parts reduces along the longitudinal direction.
The first passage further include for for should the first phase second entrance and be arranged in the second entrance downstream
At least one second part, section of the first passage at the second part be less than the first passage at the second entrance
Section.
The first passage includes several second parts being arranged along the longitudinal direction.
The section of the second part reduces on the direction of the first entrance.
At least one opening is provided at the height of the first part and/or second part.
The first part and/or second part extend on the longitudinal direction.
The first passage includes for entering the first phase of the first fluid supplied to the first of the first passage
Mouthful, described be open is arranged in the downstream of the first entrance and forms a series of openings, including the of the first passage
The first opening and the last one opening of the side setting of one entrance.
At least one opening is provided at the height of each first part.
The first fluid is refrigerant fluid.
The second fluid is heat production fluid.
According on the other hand, the present invention relates to one kind for distributing liquid/gas two in heat exchanger according to the present invention
The method and one kind of phase mixture are for carrying out heat between the liquid/gas two-phase mixture and other at least one fluids
The method of exchange.The liquid/gas mixture can be refrigerant mixture or heat production mixture.
Particularly, present invention could apply to following heat exchanger, which makes at least one liquid-gas mixture
Stream, especially multicomponent mixture (such as hydrocarbon mixture) stream are by carrying out heat with other at least one fluids (such as natural gas)
It exchanges and evaporates.
Statement " natural gas " is related to any composition containing hydrocarbon (including at least methane).This includes " thick " composition (In
Before any processing or washing), it goes back and has been partly processed, substantially processing or processing completely is to reduce and/or remove one
Any composition of kind or multiple compounds (including but not limited to sulphur, carbon dioxide, water, mercury and certain heavy aromatics).
Now by by it is following only provided with non-limiting example and refer to the description that attached drawing is made more fully understand this hair
It is bright, in the accompanying drawings:
- Fig. 1 is the access of the heat exchanger according to an embodiment of the invention that liquid-gas two-phase mixture is supplied
Schematic diagram of a part on the section plane for the plate for being parallel to heat exchanger；
- Fig. 2 is the schematic cross-section in the plane perpendicular to Fig. 1 plane, illustrates mixer dress according to the present invention
The one embodiment set；
- Fig. 3 depicts schematic three dimensional views, illustrates the embodiment of mixer apparatus according to the present invention；
- Fig. 4 and Fig. 5 is the schematic three dimensional views of the variant embodiments of mixer apparatus according to the present invention；
- Fig. 6 is the partial cross section view on the section plane for being parallel to Fig. 1 plane, is illustrated according to the present invention mixed
Another embodiment of clutch device；
- Fig. 7 is the partial cross section view on the section plane for being parallel to Fig. 1 plane, is illustrated according to the present invention mixed
Another embodiment of clutch device.
Fig. 1 illustrates the heat exchanger 1 including 2 (not shown) stacked body of plate, these plates are being parallel to by direction z and y limit
Extend in two dimensions of fixed plane.These plates 2 are setting up and down in parallel with each other with a fixed spacing, and are therefore formed multiple
Access via the plate to make fluid be in indirect heat exchange relationship.
Preferably, each access has flat parallelepiped shape.Compared with the length and width of each successive plates,
Interval between two successive plates is small.
Exchanger 1 may include the plate that quantity is more than 20 or even more than 100, to limited between the plates for drawing
Lead the First Series access 10 of at least one first fluid F1 and for guiding the second series of at least one second fluid F2 logical
Road 20 (invisible in Fig. 1), the flowing of the fluid generally carry out on lateral y.The access 10 of First Series can
Replace or be disposed adjacently with all or some in whole or in which some accesses 20 with second series.
In a way known, exchanger 1 includes distribution devices and bleed unit 40,52,45,54,55, the distributor
Part and bleed unit are configured for that various fluids are selectively assigned to the neutralization of access 10,20 from the access 10,20 rows
Put the fluid.
The sealing of access 10,20 is usually mentioned by the laterally and longitudinally sealing strip 4 being attached on plate 2 along the edge of plate 2
For.Lateral seal item 4 incomplete obstruction access 10,20, but advantageously in the access turning opposite in diagonal line there are
Fluid inlet opening and exit opening.
The opening of the access 10 of First Series is configured to coincide with the upper and lower, and the setting of the opening of the access 20 of second series exists
In opposite turning.The opening being placed above combines with one another in halfpipe manifold 40,45,50,55 respectively, and fluid passes through
These manifolds are assigned and discharge.
In the description of Fig. 1, halfpipe manifold 50,45 is for introducing fluid into exchanger 1, and halfpipe manifold
40,55 for discharging these fluids from exchanger 1.
In this variant embodiments, the manifold for supplying a kind of fluid and the manifold for discharging another fluid are located at exchanger
Same end, therefore fluid F1, F2 oppositely flow through exchanger 1.
According to another variant embodiments, first fluid and second fluid can be recycled similarly in the same direction, supply a kind of stream
The device of body and the device for discharging another fluid are then situated at the opposite end of exchanger 1.
Preferably, when exchanger 1 is run, direction y is vertically oriented.First fluid F1 is substantially vertically and in the party
To be directed upwards towards upper flowing.Without departing from the present invention, it is of course conceivable that the flowing of fluid F1, F2 other
Direction and direction.
It should be noted that in the context of the present invention, have one or more refrigerant fluid F1 of different nature and
One or more second fluid F2 can flow in the access 10 of the First Series of same exchanger and the access 20 of second series
It is dynamic.
Advantageously, exchanger according to the present invention uses the first two phase refrigerant fluid F1 and the second heat production fluid F2.
Distribution devices and bleed unit advantageously comprise point in ripple sheet form being arranged between two successive plates 2
With ripple 51,54, these ripples extend from entrance opening and exit opening.Distribution ripple 51,54 ensures fluid in access 10,20
Entire width on evenly distribute and recycle.
In addition, access 10,20 advantageously comprises the heat exchange structure being arranged between these plates 2.The purpose of these structures
It is the heat exchange surface area for increasing exchanger.Specifically, heat exchange structure is contacted with the fluid recycled in access, and passes through biography
It leads and heat flux is transmitted to adjacent plate 2, these heat exchange structures can be attached to these plates by soldering, to increase exchange
The mechanical strength of device.
Heat exchange structure acts also as the spacer between these plates 2, especially when exchanger is assembled by soldering, and
It and is any deformation in order to avoid plate during pressurized fluid use.Heat exchange structure is also the fluid in the access of exchanger
Flowing provides guidance.
Preferably, these structures include heat-exchange corrugated 11, these it is heat-exchange corrugated distribution ripple along access 10,20
Extension range on be desirably parallel to width of the plate 2 across access 10,20 and length extends.Therefore, the access of exchanger
10,20 the major part of its length is presented, constitutes heat exchange section appropriate, which is covered with heat exchange structure, institute
Stating major part two sides is the distribution portion for being covered with distribution ripple 51,54.
Fig. 1 illustrates the access 10 of First Series 1, these accesses are configured for distribution in liquid-gas two-phase mixture shape
The first fluid F1 of formula.First fluid F1 is separated into the first phase 61 and the second phase 62 in separator 6, the two are mutually passed through
It is introduced in exchanger 1 respectively by lateral manifold 30 and manifold 50.Then, the two phases 61,62 are mixed by mixer apparatus 3
It is combined, which is arranged in access 10 and schematic depiction goes out in Fig. 1.Advantageously, First Series
Several accesses 10 or even all accesses 10 include mixer apparatus 3.
Fig. 2 is diagrammatic section view of the mixer apparatus in the plane perpendicular to Fig. 1 plane, and the mixer apparatus is advantageous
Ground includes the stick or bar being contained in access 10.
In the configuration shown in, mixer apparatus 3 include several first passages 31a, 31b ..., these first passages
The first phase 61 suitable for fluid F1 flows.(multiple) first passage 31 extends on longitudinal direction z.
It should be noted that the extending direction of a part in channel or channel refers to whole extending direction, wherein channel or logical
The wall of road part is not necessarily straight line on longitudinal direction z.
Several openings 34 will at least one described first passage 31 and at least one described second channel 32 fluidly phase
Even.
Advantageously, being provided with 34 (only visible one in Fig. 2) of several openings in succession on longitudinal direction z.It should infuse
Meaning, these openings 34 need not be arranged to aligned on longitudinal direction z.In the example shown, the first phase 61 is
Liquid, and longitudinal direction z correspond to the first phase 61 first passage 31a, 31b ... in flow direction.These opening quilts
It is arranged to for first passage 31a being fluidly connected at least one second channel 32, which is intended for
Two-phase 62 (being the second gas phase 62 in the example shown) flowing.
First passage 31a, 31b ... and second channel 32a, 32b ... it is parallel to the extension of plate 2.Each first passage
31a, 31b ... opening 34 can be arranged in a staggered manner as shown in Figures 3 to 5, this facilitate the first phases 61 second
Channel 32a, 32b ... in more evenly distribution.
Preferably, mixer apparatus 3 according to the present invention is in the section of access 10 in the almost all height of access 10
Or extend in even entire height, so that mixer apparatus is in contact with each plate 2a, 2b for forming access 10.
Mixer apparatus 3 is fixed on plate 2 advantageous by soldering.
Mixer apparatus 3 advantageously has substantially parallel hexahedral shape.
Mixer apparatus 3 can be parallel to the first size that longitudinal direction y is presented between 20mm and 200mm, and put down
Row is presented on the second size between 100mm and 1400mm in lateral z.
According to the present invention, the section of first passage 31 changes along the longitudinal direction z.
It should be noted that in the context of the present invention, the section of first passage 31 from first passage 31, be transversely to the machine direction
Direction z is extended with the section that surface unit measures.Therefore, referring to fig. 2, the section of first passage 31 is being limited by direction x and y
It is measured in plane.
The fact that section of first passage changes according to the corresponding position along direction z allows edge as described above
The variable velocity of the direction z of first passage influence minimize or even be eliminated.When the first phase 61 is flowed with given speed,
Therefore can by adjusting section size come along direction z modify or adjust its speed, to control to along first passage
The supply of 31 opening 34.The result is that providing supply more evenly to opening, and therefore make liquid-gas mixture in access 10
There is distribution more evenly on width.This solution is simple with implementation, does not change the size of exchanger and does not make it
The more complicated advantage of structure.
The changes of section of first passage 31 can on longitudinal direction z along all or part of first passage 31 locally
Or it gradually generates.
Preferably, at least one variation of first passage 31 on longitudinal direction z including section.This variation can be prominent
It is right or progressive, and may include increasing or reducing for the section.
According to an embodiment of the invention, first passage 31 includes first entrance 311, and when exchanger operation, the first phase 61
It is introduced into first passage 31 via the first entrance.First passage 31 positioned at 311 downstream of first entrance at least one
The section of a part 310 is greater than section of the first passage 31 at first entrance 311.
The channel part 310 with enlarged cross section is arranged on the route in first passage 31 in the first phase 61 allows it to flow
Speed reduces and it is therefore promoted to be assigned in the part 310 or in the opening 34 of downstream setting.
Therefore, first part 310 can be shaped to cause the flow velocity of the first phase 61 to reduce.In other words, first part 310
It may be shaped so that the first phase 61 is flowed with First Speed V1 from first entrance 311, and the part 310 causes flow velocity
Reduce and phase 61 is flowed at the part 310 with the second speed V2 less than V1.Therefore it can compensate that lead to first logical
The influence of the fast speed of the inlet in road 31.
Advantageously, first passage 31 includes several openings 34 for forming series, wherein the first opening is arranged in entrance
311 side, and the last one opening is located at that side of the end opposite with entrance 311.First part 310 is preferably set at least
It is flushed with the first opening.
It should be noted that term " upstream " and " downstream " are referring to the first phase 61 from the total of the corresponding entrance of first passage 31
Body flow direction uses.
Alternatively or in addition, first passage 31 may include at least one first part 310, this at least one first
The section divided is less than section of the first passage 31 at first entrance 311.
Therefore, first part 310 can be shaped to that flow velocity is caused to increase, and for example compensation may be in a longitudinal direction
The friction load loss that z occurs.
Preferably, the first part 310 with section after modification has constant or nearly constant section along direction z.
The first part 310 advantageously extends on longitudinal direction z.
Be arranged same first passage 31 or several first passages 31a, 31b ... in first part 310 size,
Quantity and basic of distribution are along being arranged in the same channel in device 3 and/or the desired flow rate between several first passages
Curve is adapted to.
Advantageously, at least one opening 34 of first passage 31 is configured to flush or under it with first part 310
Trip.
Fig. 3 to Fig. 5 illustrates the variant embodiments of mixer apparatus 3 according to the present invention, wherein section of first part 310
Face is greater than the section of first entrance 311.
Section of the first passage 31 at the height of first part 310 increases can be since the first passage 31 be in longitudinal direction
The increase of the width measured on the y of direction and generate, and/or due to first passage 31 with surveyed on the direction x of direction y and z orthogonal
Depth increase and generate.
More precisely, and as shown in figure 4, first passage 31 typically comprises the first entrance for supplying the first phase 61
311.Opening 34 is provided in the downstream of entrance 311.If channel 31 has first given section at the height of first entrance 311
Face amount S1, then the part 310 has the second fluid passage sections S2 greater than S1.
Preferably, first part 310 at least extends on longitudinal direction z in the two sides of opening 34.Therefore, can compensate by
Flow velocity caused by supply to opening 34 changes, to be supplied with identical or almost the same speed opening 34.
Advantageously, ratio S2/S1 is greater than or equal to 1.2, preferably between 1.2 and 2, so as to improve significantly
Distribution of first phase 61 in (multiple) associated openings 34.
It such as can see in Fig. 3 into Fig. 5, parallelepiped is integrally formed, specifically by towards exchanger in mixer apparatus 3
Plate 2 be arranged first surface 3a and towards another plate 2 setting second surface 3b define.First surface 3a and second surface
3b is preferably generally parallel to the extension of plate 2.Mixer apparatus 3 is preferably provided in channel 10, so that first surface 3a and
Two surface 3b are in contact with plate 2.
First passage 31a, 31b advantageously take the form of recess, and length is greater than the width measured on lateral y
Or with the height that is measured on the vertical direction x of the direction y and z orthogonal in the channel.
Device 3 may include several side paths 32, and/or several first passages being arranged in device 3 in succession
31.Fig. 3 to Fig. 5 illustrates device 3, arranges the first channel 31 with parallel to each other one and parallel to each other one to arrange the 2nd logical
Road 32.
It is emphasized that channel 31 and channel 32 can have identical or different shape and quantity.First passage 31
And/or second channel 32 can be formed by providing the inner recess in mixer apparatus 3.They can also surface 3a and/
Or it is open at the height of 3b, and main groove 31,32 is formed, as shown in Figures 3 to 5.First passage 31 and/or second channel 32 can
With the section with different shape, i.e. rectangle, circle or other shapes, preferably rectangular section.
According to one embodiment, first part 310 includes being arranged at least part of the wall of the first passage 31
At least one recess.
Advantageously, being provided at least one opening 34 in the recess.By the way that opening 34 is arranged in recess, due to
Recess locally causes fluid flow direction to change, and can come to supply simultaneously therefore to it preferably opening 34 with reduced flow velocity
Supply, this is particularly advantageous for being located at the opening 34 of the side of the entrance 311 in channel 31.
It is recessed several can be set in same first passage 31 and/or in one or more successive first passages 31
Mouthful.The recess can have cavetto shape or rectangular in form or any other is suitble to the section of form.The opening being placed in recess
Quantity and the shape and size of recess can change along first passage 31.These recesses can be produced for example by milling
It is raw.
According to specific configuration, at least one recess 310 being arranged at least part of the wall of first passage 31a is opened
To successive first passage 31b.
Fig. 3 shows the example of the mixer apparatus 3 in the form of stick, wherein in the base portion of several first passages 31
In drilled out opening 34.The recess includes the secondary groove 310 being arranged in the basal wall of first passage 31.The secondary groove can edge
All or in part length of the channel at the height that these are open across the channel extend.
As variant, recess can be set in one or more side walls of several first passages 31.
The basal wall of first passage 31 is about straight line preferably on longitudinal direction z.
Fig. 4 illustrates another example of mixer apparatus 3, wherein being provided in the side wall of several first passages 31
A series of recess, to form recess portions 310.All or some opening 34 can be set in the recess portion.Fluid flows to
Lead to the curve that the entrance of recess portion is followed allow the to be open speed of upstream to reduce and promote towards the open flow.In addition,
Controlled flow can be supplied in opening 34 in such recess portion, which is in parameatal first phase
61 flow, while the flow for minimizing or even being eliminated the first phase 61 recycled in the major part of first passage 31 becomes
Change.
These recess portions preferably have size similar with the width of first passage 31, and the height having and channel 31
Height compared to not unimportant, the height is measured on the x of direction.
In the example that Fig. 5 is shown, all or some opening 34 is arranged in the recess portion of first passage 31a, institute
That states recess portion is sized such that they are connected to the first passage 31b of another direct neighbor.This makes 34 nets that are open
Network is supplied with reduced speed and is therefore more uniformly supplied.Several network structures can be considered according to desired distribution
Type.
Fig. 6 and Fig. 7 illustrates the variant embodiments of mixer apparatus 3 according to the present invention, wherein section of first part 310
Face is less than the section of first entrance 311.Also, mixer apparatus 3 can have one or more features in features described above.
Fig. 6 is the partial view of following embodiment, and wherein first passage 31 includes several first parts 310, described the
The section of a part is less than the section of first entrance 311.
Therefore, first part 310 is shaped to that section is caused to reduce, and which compensates supply with to successive opening
It answers, the reduction of fluid flow.Therefore, fluid flow rate becomes more evenly along first passage 31, therefore more evenly to the supply of opening.
According to specific embodiment, the fluid passage section of first part 310 reduces on longitudinal direction z.
As in figure 6 it can be seen that first passage 31 has the first section S1 flushed with entrance 311.Then, the first phase
61 flow in the first part 310 with the second section S2, which is less than the first cross section S1.First passage
31 can also include another first part 310, another first part setting is in the first part downstream and has small
In the third section S3 of the second section S2.
Advantageously, the ratio between the ratio of section S2/S1 and/or two successive first parts 310 is less than or equal to
0.8, preferably between 0.5 and 0.8.This allows to improve significantly distribution of first phase 61 in associated openings 34.
As illustrated in figure 6, the section of first passage 31 is reduced and can be measured due to the y along the longitudinal direction of first passage 31
Width reduction and generate.Alternatively or furthermore it is possible to consider first passage 31 since it is measured on vertical direction x
Height reduction and the section that generates reduces.
Fig. 7 partly illustrates another embodiment of the invention, when there are two for supplying first for the tool of first passage 31
When the entrance of phase 61, which is particularly advantageous.More precisely, first passage 31 includes that first entrance 311 and second enters
Mouth 312, for injecting the first phase 61.Second entrance is preferably provided at the second end of first passage, the second end with include
The first end of first entrance 311 is opposite.
First passage 31 includes that at least one second part 313 in 312 downstream of second entrance is arranged in, this is first logical
Section of the road 31 at the second part 313 is less than section of the first passage 31 at the second entrance 312.
Therefore, the flow velocity of the first phase 61 can be preferably adapted even along its flowing, progressively to compensate the
Flowing when one phase 61 passes through 34 top of consecutive openings along first passage 31 changes.
Preferably, first passage 31 includes several second parts 313 of z setting in a longitudinal direction.Described second
313 section is divided to reduce on the direction of first entrance 311.
Advantageously, the ratio between the section of first passage 31 at second part 313 and at second entrance 312, and/or two
The ratio between a successive second part 313 is less than 0.8, preferably between 0.5 and 0.8.
Fig. 7 illustrates the feelings of first part 310 and second part 313 relative to the center symmetric setting of first passage 31
Condition.However, the part can have different cut with the setting of different quantity and in the two sides at the center of first passage 31
Face.
Certainly, the particular example that the present invention is not limited to describe and show in this application.The scope of the present invention is not being departed from
In the case where, it is also contemplated that other alternative forms or embodiment in those skilled in the art's limit of power.
For example, what exchanger according to the present invention was described primarily directed to following situations, wherein access 10,20 exists
Extend on longitudinal direction y, first longitudinal direction channel 31 extends on longitudinal direction z, and side path 32 is being orthogonal to longitudinal side
Extend on the lateral y of z.It is also contemplated that opposite situation, that is, first passage 31 extend on lateral y and
Side path 32 extends on longitudinal direction z.Lateral y and longitudinal direction z can not also be mutually orthogonal.
Claims (14)
1. a kind of heat exchanger (1), which includes several plates (2), these plates are set in parallel to limit for drawing
Lead the First Series access (10) of at least one first fluid (F1) and for guiding at least one second fluid (F2)
Two series of passages (20), which at least will be in heat exchange relationship with the first fluid (F1), in the First Series
At least one described access (10) in be provided with mixer apparatus (3), and the mixer apparatus includes:
For at least one first passage (31) that the first phase (61) of the first fluid (F1) flows, the first passage (31)
Extend on longitudinal direction (z),
At least one second channel (32) for supplying the second phase (62) of the first fluid (F1) to flow,
Several openings (34) that the first passage (31) is fluidly connected with the second channel (32),
It is characterized in that, the section of the first passage (31) measured perpendicular to the longitudinal direction (z) is along the longitudinal direction side
It is variable to (z).
2. heat exchanger as described in claim 1, which is characterized in that the first passage (31) is on the longitudinal direction (z)
At least one variation including section.
3. the heat exchanger as described in one of claim 1 and 2, which is characterized in that the first passage (31) includes for supplying
The first entrance (311) of first phase (61) and at least one first part (310) in first entrance (311) downstream, should
Section of the first passage (31) at the first part (310) is greater than the first passage (31) at the first entrance (311)
Section.
4. heat exchanger as described in any one of the preceding claims, which is characterized in that the first part (310) is included in this
At least one recess being arranged at least part of the wall of first passage (31).
5. heat exchanger as claimed in claim 4, which is characterized in that the mixer apparatus (3) with the longitudinal direction (z) just
There is several successive first passages (31a, 31b ...), at least one described recess is opened to institute on the lateral (y) of friendship
State the first successive channel (31b).
6. the heat exchanger as described in one of claim 1 and 2, which is characterized in that the first passage (31) includes for supplying
The first entrance (311) of first phase (61) and at least one first part (310) in first entrance (311) downstream, should
Section of the first passage (31) at the first part (310) is less than the first passage (31) at the first entrance (311)
Section.
7. the heat exchanger as described in any one of claim 3 to 6, which is characterized in that the first passage (31) include along
Several first parts (310) of the longitudinal direction (z) setting.
8. heat exchanger as claimed in claim 7, which is characterized in that several described first parts (310) have different
Section.
9. the heat exchanger as described in any one of claim 6 to 8, which is characterized in that the section of the first part (310)
Reduce along the longitudinal direction (z).
10. the heat exchanger as described in any one of claim 3 to 9, which is characterized in that the first passage (31) further includes using
In for should the first phase (61) second entrance (312) and at least one second part in the second entrance (312) downstream
(313), section of the first passage (31) at the second part (313) is less than the first passage (31) in the second entrance
(312) section at.
11. heat exchanger as claimed in claim 10, which is characterized in that the first passage (31) includes along the longitudinal direction
(z) several second parts (313) being arranged.
12. heat exchanger as claimed in claim 11, which is characterized in that the section of the second part (313) this first
Reduce on the direction of entrance (311).
13. the heat exchanger as described in any one of claim 3 to 12, which is characterized in that in the first part and/or second
Partially at least one opening (34) are provided at the height of (310,313).
14. the heat exchanger as described in any one of claim 3 to 13, which is characterized in that the first part and/or second
(310,313) are divided to extend on the longitudinal direction (z).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1752476A FR3064346B1 (en) | 2017-03-24 | 2017-03-24 | HEAT EXCHANGER WITH LIQUID / GAS MIXER DEVICE WITH REGULATORY CHANNEL PORTION |
| FR1752476 | 2017-03-24 | ||
| PCT/FR2018/050454 WO2018172644A1 (en) | 2017-03-24 | 2018-02-27 | Heat exchanger with a liquid/gas mixer device having a regulating channel portion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110462331A true CN110462331A (en) | 2019-11-15 |
| CN110462331B CN110462331B (en) | 2021-07-13 |
Family
ID=58739222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880020623.1A Active CN110462331B (en) | 2017-03-24 | 2018-02-27 | Heat exchanger |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110462331B (en) |
| FR (1) | FR3064346B1 (en) |
| WO (1) | WO2018172644A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3099563B1 (en) | 2019-08-01 | 2021-07-30 | Air Liquide | Heat exchanger with passage configuration and improved heat exchange structures |
| FR3099560B1 (en) | 2019-08-01 | 2021-07-02 | Air Liquide | Natural gas liquefaction process with improved injection of a mixed refrigerant stream |
| FR3099557B1 (en) | 2019-08-01 | 2021-07-30 | Air Liquide | Natural gas liquefaction process with improved circulation of a mixed refrigerant stream |
| FR3099559B1 (en) | 2019-08-01 | 2021-07-16 | Air Liquide | Natural gas liquefaction process with improved exchanger configuration |
| FR3103543B1 (en) | 2019-11-21 | 2021-10-22 | Air Liquide | Heat exchanger with arrangement of mixing devices improving the distribution of a two-phase mixture |
| FR3105388B1 (en) * | 2019-12-19 | 2022-10-07 | Air Liquide | Mixing device promoting homogeneous distribution of a two-phase mixture and heat exchanger comprising such a device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3380517A (en) * | 1966-09-26 | 1968-04-30 | Trane Co | Plate type heat exchangers |
| JPS5886369A (en) * | 1981-11-19 | 1983-05-23 | 三洋電機株式会社 | Air-conditioning hot-water supply device |
| FR2563620A1 (en) * | 1984-04-27 | 1985-10-31 | Linde Ag | PLATE TYPE HEAT EXCHANGER |
| CN1434263A (en) * | 2002-12-30 | 2003-08-06 | 西安交通大学 | Low-temp. two-phase flow gas liquid homogeneous distribution board fin type phase change heat-exchanger |
| CN103983138A (en) * | 2014-05-16 | 2014-08-13 | 杭州杭氧股份有限公司 | Large air flow two phase flow uniform distribution device of aluminum plate fin heat exchanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5886396A (en) * | 1981-11-17 | 1983-05-23 | Kobe Steel Ltd | Gas-liquid dispersing device for plate fin type heat exchanger |
-
2017
- 2017-03-24 FR FR1752476A patent/FR3064346B1/en active Active
-
2018
- 2018-02-27 CN CN201880020623.1A patent/CN110462331B/en active Active
- 2018-02-27 WO PCT/FR2018/050454 patent/WO2018172644A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3380517A (en) * | 1966-09-26 | 1968-04-30 | Trane Co | Plate type heat exchangers |
| JPS5886369A (en) * | 1981-11-19 | 1983-05-23 | 三洋電機株式会社 | Air-conditioning hot-water supply device |
| FR2563620A1 (en) * | 1984-04-27 | 1985-10-31 | Linde Ag | PLATE TYPE HEAT EXCHANGER |
| CN1434263A (en) * | 2002-12-30 | 2003-08-06 | 西安交通大学 | Low-temp. two-phase flow gas liquid homogeneous distribution board fin type phase change heat-exchanger |
| CN103983138A (en) * | 2014-05-16 | 2014-08-13 | 杭州杭氧股份有限公司 | Large air flow two phase flow uniform distribution device of aluminum plate fin heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110462331B (en) | 2021-07-13 |
| FR3064346B1 (en) | 2019-03-29 |
| WO2018172644A1 (en) | 2018-09-27 |
| FR3064346A1 (en) | 2018-09-28 |
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