CN106885396B - Entrance rectifier structure and plate heat exchanger - Google Patents
Entrance rectifier structure and plate heat exchanger Download PDFInfo
- Publication number
- CN106885396B CN106885396B CN201510933718.0A CN201510933718A CN106885396B CN 106885396 B CN106885396 B CN 106885396B CN 201510933718 A CN201510933718 A CN 201510933718A CN 106885396 B CN106885396 B CN 106885396B
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- Prior art keywords
- plate
- entrance
- rectifier structure
- heat exchange
- heat exchanger
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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
- F28F9/0265—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
-
- 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
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- 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
- F28D9/0031—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 paired plates touching each other
- F28D9/0043—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 paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—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 paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- 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
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0241—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having plate-like elements
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/022—Evaporators with plate-like or laminated elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The embodiment provides a kind of entrance rectifier structure for plate heat exchanger and use its plate heat exchanger.The plate heat exchanger includes refrigerant inlet adapter tube and takes over the side plate being assembled together with refrigerant inlet.At least one described entrance rectifier structure, which is arranged in from the refrigerant inlet, to be taken on the path to the main body of the plate heat exchanger.And at least one rectifier cell is provided on each entrance rectifier structure, rectifier cell setting corresponding with the refrigerant inlet channel of plate heat exchanger.
Description
Technical field
The present invention relates to Heating,Ventilating and Air Conditioning, automobile, refrigeration and transport field more particularly to a kind of plate heat exchanger and it is used for
The entrance rectifier structure of plate heat exchanger.
Background technique
For the heat exchanger (evaporator) of parallel channels, especially plate heat exchanger and micro-channel heat exchanger, refrigeration
The liquid separation of agent uneven (mal-distribution) is global technical problem.The refrigerant for normally entering heat exchanger is with two
Existing for the form of phase, due to the complexity of application conditions and two-phase flow, refrigerant difficult to realize is evenly distributed.Many feelings
Under condition, excessive liquid refrigerant can be flowed into some channels, and excessive gaseous refrigerant can be flowed into other channels, this
Sample just greatly affects the overall performance of evaporator.
In existing solution, distributor is arranged in the entrance location of meeting each coolant channel in evaporator.It is led
The design philosophy wanted is, with lesser feeder connection sectional area and certain inlet outlet pressure differential, to control into each refrigerant
The mass flow of the biphase gas and liquid flow in channel, it is final to obtain preferable distribution and heat transfer effect.
But as stepping up for unit efficiency demand is increasingly stringent with refrigerant environment friendly, the design of evaporator
It is faced with higher challenge.
On the one hand, with the development of compressor variable frequency technology, the reference point for the design of evaporator is from initial single application work
Condition gradually develops to the application demand of multiple spot.The design of distributor needs simultaneously to (full load) at full capacity operation and portion
Load (part load) operation is divided to account for.And for fixed evaporator structure and distributor, two phase flow
Flow pattern and flow regime difference be very big.Design difficulty is obviously improved.Moreover, it is changed with plate heat exchanger, microchannel
Hot device etc. is the product of the product of evaporator, different ability needs or limit of power, generallys use identical dispensing arrangement.And
For distribution technique, especially evaporator flowing and flow pattern features, there are certain optimal working range, when exceeding
After the range, distribution effects is affected.
On the other hand, novel refrigerant is gradually developed and is applied, this equally proposes challenge to the design of evaporator.
Due to the difference in working medium physical property, in identical evaporator, there is biggish differences for the flowing of refrigerant and heat exchange characteristic
Not.Many evaporator designs, can only targetedly towards a kind of or a kind of refrigerant, this make relevant Product Family compared with
It is huge, the higher cost of management and maintenance.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
In the Correlative Influence Factors of refrigerant distribution technique, evaporator state is important content.Different load
There is important embodiment in the influence of ability and refrigerant category in this respect.
Design philosophy of the invention is a kind of rectifier structure to be arranged in evaporator region, by biphase gas and liquid flow
Motivate again, make uncontrolled fluid inlet state be converted to it is stable it is homogeneous flow (homogenous) state, thus after being
Continuous assigning process provides stable entrance flox condition, obtains stable distribution effects, it is final promoted evaporator heat exchange performance and
Unit efficiency.
According to an aspect of the invention, there is provided a kind of entrance rectifier structure for plate heat exchanger, described board-like
Heat exchanger includes refrigerant inlet adapter tube and takes over the side plate being assembled together with refrigerant inlet,
At least one described entrance rectifier structure, which is arranged in from the refrigerant inlet, to be taken over to the plate heat exchanger
On the path of main body, and at least one rectifier cell, the rectifier cell are provided on each entrance rectifier structure
Setting corresponding with the refrigerant inlet channel of plate heat exchanger.
In one example, each entrance rectifier structure includes a layer or be separated from each other at least two layers,
Wherein the rectifier cell is provided on each layer.
In one example, at least two entrance rectifier structures are taken in refrigerant inlet to point of plate heat exchanger
It is spaced apart on direction with chamber and arranged side by side.
In one example, the rectifier cell is rectification hole, commutator bar seam or their any combination.
In one example, the entrance rectifier structure it is arc-shaped, it is plate shaped or rectification gasket form.
In one example, it is provided with multiple annulus on the layer of the entrance rectifier structure, is spaced on each annulus
It is disposed with multiple rectification holes；Or
It is provided with multiple endless belts on the layer of the entrance rectifier structure, is provided on each endless belt spaced apart more
Commutator bar seam that is a straight or obliquely extending.
In one example, the commutator bar is seamed into rectangle or sickle-shaped.
In one example, a rectification hole is provided at the center of the layer of the entrance rectifier structure.
In one example, the entrance rectifier structure is provided with flaring chamber.
In one example, the side plate or refrigerant inlet adapter tube, which have, at least partly accommodates the entrance rectifier structure
Flaring chamber flaring chamber.
In one example, the top surface and the side plate or refrigerant inlet of the flaring chamber of the entrance rectifier structure
The top surface of the flaring chamber of adapter tube at least partly contacts and is generally located at sustained height level.
In one example, the dispensed chambers of the flaring cavity bottom size of the entrance rectifier structure and plate heat exchanger
Size match so that from refrigerant inlet flow into two phase refrigerant flow through flaring chamber after, smoothly enter distribution cavity
Room, and be assigned in corresponding coolant channel.
In one example, the entrance rectifier structure is arranged in the central axis along dispensed chambers and connects from refrigerant inlet
On pipe to any position of the dispensed chambers.
In one example, the entrance rectifier structure is arranged between side plate and the jet hole of first distributor.
In one example, the entrance rectifier structure is arranged in or is integrated in first from the refrigerant inlet
On one heat exchange plate, on first the second heat exchange plate or between first second heat exchange plate and first distributor.
In one example, the double loop for being made of two kinds of heat exchange plates of the first heat exchange plate and the second heat exchange plate
Plate heat exchanger, it is close between first the second heat exchange plate and secondary the first heat exchange plate in the dispensed chambers of second servo loop
Envelope, entrance rectifier structure setting or be integrated in first the first heat exchange plate, first the second heat exchange plate, secondary first change
In hot plate on piece or secondary the second heat exchange plate；Or
For by four kinds of the first heat exchange plate, the second heat exchange plate, third heat exchange plate and the 4th heat exchange plate heat exchanger plates
Piece constitutes two circuit plate heat exchanger, and in the dispensed chambers of second servo loop, first the second heat exchange plate is changed with first third
It is sealed between hot plate piece, the entrance rectifier structure is arranged or is integrated in first the first heat exchange plate, first the second heat exchanger plates
On piece, first third heat exchange plate or on first the 4th heat exchange plate.According to another aspect of the present invention, a kind of plate is provided
Formula heat exchanger, wherein the plate heat exchanger has above-mentioned entrance rectifier structure.
Detailed description of the invention
These and or other aspects and advantage of the invention will become from description of preferred embodiments with reference to the accompanying drawing
It obtains obviously and is readily appreciated that, in which:
Fig. 1 a is a kind of overview of plate heat exchanger in the prior art；
Fig. 1 b is the import of plate heat exchanger shown in Fig. 1 a and the structural schematic diagram of dispensed chambers；
Fig. 2 is the structural schematic diagram of the import of plate heat exchanger and dispensed chambers according to an embodiment of the present invention；
Fig. 3 a-3d is the top view of the different distortion example of rectifier cell according to the present invention respectively；
Fig. 4 a-4e is that entrance rectifier structure according to another embodiment of the present invention is arranged in plate heat exchanger not respectively
With the structural schematic diagram of setting position；
Fig. 5 is the import of plate heat exchanger according to another embodiment of the present invention and the structural schematic diagram of dispensed chambers,
Middle entrance rectifier structure uses the form of flat unit；
Fig. 6 is the import of plate heat exchanger according to another embodiment of the present invention and the structural schematic diagram of dispensed chambers,
Middle entrance rectifier structure uses the form of easy rectification unit；
Fig. 7 is the top view of another variation of entrance rectifier structure of the invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
Referring to Fig. 1 a and 1b, respectively illustrate a kind of plate heat exchanger in the prior art overview and this board-like change
The import of hot device and the structural schematic diagram of dispensed chambers.Fig. 1 a shows the plate-type heat-exchange that can be flowed through for two kinds of different fluids
Device, such as two different fluids can be water and refrigerant.In view of this form plate heat exchanger in the prior art
It is well known, therefore this will not be detailed here.One of those entrance sleeve 4 for refrigerant inflow is only shown.Of course, it is possible to root
According to needing to be specifically chosen the position of entrance sleeve 4, and it is not limited to the situation of diagram.
In Figure 1b, the import of the plate heat exchanger and the specific structure of dispensed chambers is shown in detail.From left to right according to
Secondary the first heat exchange plate 2 and the second heat exchange plate 3 arranging side plate 1, being arranged alternately.The first adjacent heat exchange plate 2 and second
Heat exchange plate 3 has the structure being mutually matched, and makes it possible to be formed aquaporin 10 and system with heat transfer space and support strength
Coolant channel 9.In order to realize that the heat between cold fluid and hot fluid exchanges, as shown, aquaporin 10 and coolant channel 9 replace cloth
It sets.The entrance sleeve 4 of refrigerant side (evaporator) with the expansion valve of the pipeline of machine set system and front end for connecting.It needs herein
Illustrate, Fig. 1 a and 1b show plate heat exchanger as the import of evaporator and the structure of dispensed chambers.
In addition, being provided with sealing knot between side plate 1 and first heat exchange plate (being the first heat exchange plate 2 in this example)
Structure 5, such as sealing ring.The sealing ring 5 is typically constructed of metal, and is assemblied in side plate 1 and head Zhang Huanre by soldering processes
Between plate 2.Usually the distributor 6 of coolant channel 9 is arranged at the entrance location of each coolant channel 9, usually sets
The form for counting into one or more apertures realizes that refrigerant evenly distributes by way of limitation flow section, increase pressure drop.
Distributor of the invention can be set on heat exchange plate or with heat exchange plate one.First heat exchange plate 2 and the second heat exchange
Plate 3 is provided with plate hole 8 at position corresponding with entrance sleeve 4.Multiple dispensed chambers 7 are by the first and second heat exchange plates
2, the plate hole 8 on 3 and distributor 6 are collectively formed.At the position where plate hole 8, pass through plate hole in refrigerant dispensed chambers 7
Sealing surface around 8 realizes sealing function, is usually assembled by soldering processes.As it was noted above, shown in Fig. 1 a and 1b
The prior art scheme in, distributor 6 will be become by entrance sleeve 4 shown in it and its upstream, flow, flow pattern
The influence of the factors such as change, so that the liquid separation of refrigerant therein is uneven.
In order to improve evaporator inlet region two phase flow flow regime and flow pattern, further increase the system in evaporator
Refrigerant distribution effect provides one to promote the heat exchange efficiency and unit overall performance and efficiency of heat exchanger in the present invention
Entrance rectifier structure of the kind for plate heat exchanger and the plate heat exchanger using the entrance rectifier structure.
Main inventive concept of the invention provides a kind of entrance rectifier structure for plate heat exchanger, described board-like to change
Hot device includes refrigerant inlet adapter tube and takes over the side plate being assembled together with refrigerant inlet, wherein enters described at least one
Mouth rectifier structure is arranged between the side plate and the main body of the plate heat exchanger, and in each entrance rectifier structure
On be provided at least one rectifier cell, rectifier cell setting corresponding with the refrigerant inlet channel of plate heat exchanger.
Specifically, plate heat exchanger of the invention includes refrigerant inlet adapter tube 4 and is assemblied in refrigerant inlet adapter tube 4
Side plate 1 together.An entrance rectifier structure 11 is shown in FIG. 2 to be arranged between side plate 1 and the main body of plate heat exchanger.
At least one rectifier cell 12,13,14 and 15 (being described in detail later) is provided on the entrance rectifier structure 11.The rectifier cell
12,13,14 and 15 setting corresponding with the refrigerant inlet channel 21 of plate heat exchanger.In view of main improvements of the invention
It is the refrigerant inlet region of plate heat exchanger, therefore uses identical appended drawing reference with identical component in Fig. 1 a and 1b,
And it is not repeated.
Here, refrigerant inlet channel 21 is the channel in entrance sleeve 4.
It is appreciated that entrance rectifier structure 11 may include a layer or be separated from each other at least two layers, wherein often
Rectifier cell is provided on a layer.It, can be in refrigerant in the case where at least two above-mentioned entrance rectifier structures 11 is arranged
Compartment of terrain and at least two entrance rectification is abreast set on entrance sleeve 4 to the direction of the dispensed chambers of plate heat exchanger
Structure 11.
As shown in Fig. 2, compared to Fig. 1 b, one embodiment of the present of invention sealing ring 5 and first the first heat exchange plate 2 it
Between be provided with flaring chamber 23 entrance rectifier structure 11.Matching, side plate 1 is also provided with the expansion with fiting effect
Oral chamber 22.In cross section view shown in Fig. 2, entrance rectifier structure 11 is arranged to arc-shaped in this example.As seen in figures,
The flaring chamber 22 of the side plate 1 accommodates the flaring chamber 23 of the entrance rectifier structure 11 completely, it will be understood that the present invention is unlimited
In this, the flaring chamber 23 that the flaring chamber 22 only partially accommodates the entrance rectifier structure 11 also can be set into.
It is appreciated that the entrance rectifier structure 11 and flaring chamber 22 also can be set in refrigerant inlet adapter tube 4
Or it is interior.In this case, the pin of the refrigerant inlet adapter tube 4 is assembled together with side plate 1.At this point, side plate 1 can not be set
Set flaring chamber 22.It will be appreciated that the purpose of setting flaring chamber is 23 phase of flaring chamber with entrance rectifier structure 11
Match, and necessary strength support is provided.In one example, the edge of entrance rectifier structure of the invention be fixed on heat exchanger plates or
On side plate, and it is provided with flaring chamber on the entrance rectifier structure, correspondingly, can be set on refrigerant inlet adapter tube by accommodating
The flaring chamber of the flaring chamber of entrance rectifier structure.
As shown in Fig. 2, entrance rectifier structure 11 flaring chamber 23 top surface at surrounding with the flaring of the side plate 1
The top surface of chamber 22 contacts, and is generally located at sustained height level.
Various forms of rectifier cells 12,13,14,15 are respectively illustrated in Fig. 3 a-3d.It is appreciated that rectifier cell
It can be rectification hole, commutator bar seam or their any combination, be not limited solely to the situation of diagram.
In fig. 3 a, it is provided with multiple annulus on the layer of the entrance rectifier structure 11, is spaced cloth on each annulus
It is equipped with multiple rectification holes 12.
In fig 3b, multiple endless belts are provided on the layer of the entrance rectifier structure 11, are provided on each endless belt
The commutator bar seam 13 of spaced apart multiple straight extensions.The commutator bar stitches 13 rectangularities or bar shaped.
In figure 3 c, multiple endless belts are provided on the layer of the entrance rectifier structure 11, are provided on each endless belt
Spaced apart multiple commutator bar seams 14 obliquely extended.The commutator bar stitches 14 rectangularities or bar shaped.
In Fig. 3 d, it is provided with multiple endless belts on the layer of the entrance rectifier structure 11, is provided on each endless belt
Spaced apart multiple commutator bar seams 15 obliquely extended.Commutator bar seam 15 is at sickle-shaped.
The entrance rectifier structure 11 can be made of the materials such as metal, ceramics, it is of course possible to similar net system or more
Hole medium is replaced, to reach impartial rectification effect.
Specific working method is that the refrigerant of two-phase state enters after the throttling of expansion valve along connecting line
The refrigerant inlet adapter tube 4 of heat exchanger.Its flow regime is not known simultaneously, for the operating condition of sub-load, may be deposited with laminar flow
?.For operating condition at full capacity, may exist with annular flow.But after the effect of special rectifier cell 12,13,14,15, two
Phase refrigerant is adjusted to the flow regime of homogeneous flow.Meanwhile by the cambered surface of entrance rectifier structure 11 and flaring chamber 23
Collective effect, the stability of flow pattern and turbulent extent obtain further reinforcing, finally to be conducive to the flowing shape of distribution
State enters dispensed chambers 7.
In order to realize the efficient cooperation of rectifier cell and subsequent allocations chamber 7 in Fig. 2, invention further provides Fig. 4 a
Shown in technical solution.Compared to situation shown in Fig. 2, in fig.4 by 23 size of flaring chamber of entrance rectifier structure 11
The internal diameter for being arranged to dispensed chambers 7 is close or identical (namely matching), to realize that two phase refrigerant passes through " horn mouth "
After chamber effect, smoothly enter in dispensed chambers 7, and then be assigned in corresponding coolant channel 9.
The regulative mode of the refrigerant flow pattern and fluidised form that are proposed according to the present invention, can be by the entrance rectifying junction in Fig. 4 a
Structure 11 is set at any suitable position between side plate 1 and first distributor 6.Specifically, in fig.4, which rectifies
Structure 11 is arranged between sealing ring 5 and first the first heat exchange plate 2.
B and 4c referring to fig. 4 is respectively illustrated and is arranged to entrance rectifier structure 11 to be formed in first the first heat exchange plate 2
With the situation on first the second heat exchange plate 3.Specifically, which may be integrally formed changes at first first
On hot plate piece 2 or first the second heat exchange plate 3；First the first heat exchange plate 2 can of course be formed in by the way of welding etc.
Or on first the second heat exchange plate 3.
D referring to fig. 4, show by the setting of entrance rectifier structure 11 first the second heat exchange plate 3 and first distributor 6 it
Between situation.It is appreciated that the entrance rectifier structure 11 can be arranged to first the using scheme as known in the art
Between two heat exchange plates 3 and first distributor 6.
In addition to the situation of above-mentioned diagram, it will be appreciated by those skilled in the art that can be whole by least one described entrance
Flow structure 11 is arranged on the arbitrary height position between each distributor 6 from side plate 1 to plate heat exchanger, and the present invention is to this
It does not do specifically defined.
For two circuit plate heat exchanger, can also exist between first distributor 6 and first the second heat exchange plate 3 another
The heat exchange plate and sealing ring 15 in an outer circuit.
As shown in fig 4e, showing tool, there are two types of the situations of refrigerant circuit, and wherein label 15 is the first refrigerant circuit
Sealing ring, label 16 are the distributor in second refrigerant circuit, label 17 is second refrigerant return passage, label 18 is that water is logical
Road, label 19 are the first refrigerant circuit channel, 20 be adjacent aquaporin.
In the dispensed chambers 26 in second refrigerant circuit, first the second heat exchange plate 3 and time the first heat exchange plate 2 it
Between be provided with the first refrigerant circuit sealing ring or circle 15, for closing the corresponding position of the first refrigerant circuit.Entrance rectification
Structure 11 is integrated on time the first heat exchange plate 2, to match with subsequent dispensed chambers 26.It should be noted that
This two circuit plate heat exchanger, the rectifier cell on entrance rectifier structure 11 can also be using institute in above-mentioned Fig. 3 a-3d
Any concrete form of display using individual rectifier cell or is integrated on time the second heat exchange plate.It is appreciated that
Individual rectifier cell or a rectifier cell can be used in the entrance rectifier structure 11.Alternatively, in addition to being integrated in secondary
On first heat exchange plate 2, it can also be integrated on time the second heat exchange plate 3.
It is, two circuit board-like for being made of two kinds of heat exchange plates of the first heat exchange plate and the second heat exchange plate
Heat exchanger seals between first the second heat exchange plate and secondary the first heat exchange plate in the dispensed chambers of second servo loop, described
Entrance rectifier structure is arranged or is integrated on time the first heat exchange plate or on secondary the second heat exchange plate.
For by four kinds of the first heat exchange plate, the second heat exchange plate, third heat exchange plate and the 4th heat exchange plate heat exchanger plates
Piece constitutes two circuit plate heat exchanger, and in the dispensed chambers of second servo loop, first the second heat exchange plate is changed with first third
Sealed between hot plate piece, entrance rectifier structure setting or be integrated on first third heat exchange plate or first the 4th is changed
Hot plate on piece.
It should be noted that the above-mentioned implementation that the present invention provides on the plate heat exchanger of double loop, is for double back
A kind of selection of road specific structure.For double loop plate heat exchanger, the present invention can also be using shown in Fig. 2 and Fig. 4 a-d
Single loop implementation entrance rectifier structure 11 is arranged near side plate 1 and first the first heat exchange plate 2, and not across
The space of first loop seals ring 15 in Fig. 4 e.This way is particularly suitable for the internal diameter of sealing ring 15 and distributor 6 in Fig. 4 e
The same or similar situation of internal diameter.
In addition, it is contemplated that difficulty of processing and assembly ease, can also to entrance rectifier structure of the present invention into
Row is following to be changed.
It should be noted that the entrance rectifier structure 11 be arranged in the central axis along dispensed chambers 7 from refrigerant into
On mouth adapter tube 4 to any position of the dispensed chambers 7.
Referring to Fig. 5, the globoidal structure of above-mentioned entrance rectifier structure 11 can be arranged to plane form, in other words with flat
The replacement of face unit；But remain the design of flaring cavity.As shown, the top surface of the entrance rectifier structure 11 ' is substantially flat
Smooth.
Referring to Fig. 6, the design method of above-mentioned globoidal structure and flaring cavity is eliminated, but uses usual heat exchanger side
Plate 1 and easy entrance rectifier structure 11 ".Wherein the entrance rectifier structure 11 " is metal plate punching part.As shown, showing
Sealed step 51 and cavernous rectifier cell 12.
It, can also be using the form of the rectification gasket 21 of homogeneous thickness referring to Fig. 7.The rectification gasket 21 is above-mentioned for substituting
Entrance rectifier structure, and be arranged at position identical with above-mentioned entrance rectifier structure, periphery and side plate by it
It is sealed with heat exchange plate adjacent thereto.The rectification gasket 21 is provided with multiple rectifier cells of such as rectification hole, this is whole certainly
Rectifier cell can also be used as using above-mentioned commutator bar seam as needed by flowing gasket 21.
It is appreciated that the present invention is not limited only to above-mentioned structure, it can also include combination or the deduction side of above-mentioned structure
Formula.For example, include layer that is multiple folded or stacking together by each entrance rectifier structure, each layer is provided with above-mentioned such as whole
The rectifier cell of discharge orifice or commutator bar seam or their any combination, and the rectifier cell between adjacent layer overlaps each other or phase
Together.Further, it is also possible to two or more concatenated entrance rectifier structures are provided between side plate and first distributor, it is adjacent
Two entrances rectifier structure between be provided with certain gap, realize the secondary or multiple rectification of two phase flow, it is equal to obtain
Phase flow pattern, to improve final distribution effects.
In addition, another embodiment of the present invention additionally provides a kind of plate-type heat-exchange using above-mentioned entrance rectifier structure
Device.Entrance rectifier structure is described in detail in view of above-mentioned, and using the plate heat exchanger of the entrance rectifier structure at it
He is not changed aspect, therefore is not repeated herein.
As described above, above-mentioned technical solution of the invention at least can be realized at least one of following advantage side
Face:
First, the jet stream of rectification slit, cambered surface jet stream end face and flaring develops cavity, by effective enhanced water evaporation device import
Refrigerant flowing and the flow pattern state in region, reliable and stable entry condition is provided for subsequent assigning process.Solve due to
The problems such as physical properties, the operation of unit multi-state, product capacity variance, the influence to evaporator refrigerant distribution.
Second, the rectification unit or entrance rectifier structure proposed is mainly formed in a manner of sheet metal component or inexpensive
Gasket is rectified, is had great advantages in cost, almost without the extra charge for increasing evaporator.
The above is only some embodiments of the present invention, it will be appreciated by the skilled addressee that sending out without departing substantially from this totality
In the case where the principle and spirit of bright design, these embodiments can be made a change, the scope of the present invention is with claim and it
Equivalent limit.
Claims (16)
1. a kind of entrance rectifier structure for plate heat exchanger, the plate heat exchanger include refrigerant inlet adapter tube and with system
The side plate that cryogen entrance sleeve is assembled together,
It is characterized in that,
At least one described entrance rectifier structure, which is arranged in from the refrigerant inlet, to be taken over to the main body of the plate heat exchanger
Path on, and be provided at least one rectifier cell, the rectifier cell and plate on each entrance rectifier structure
The corresponding setting in refrigerant inlet channel of formula heat exchanger,
Wherein each entrance rectifier structure includes a layer or be separated from each other at least two layers, wherein setting on each layer
It is equipped with the rectifier cell.
2. entrance rectifier structure according to claim 1, which is characterized in that at least two entrance rectifier structures are being made
It is spaced apart on cryogen entrance sleeve to the direction of the dispensed chambers of plate heat exchanger and arranged side by side.
3. entrance rectifier structure according to claim 1, which is characterized in that the rectifier cell is rectification hole, commutator bar
Seam or their any combination.
4. entrance rectifier structure according to any one of claim 1-3, which is characterized in that the entrance rectifier structure is in
Arc, plate shaped or rectification gasket form.
5. entrance rectifier structure according to claim 4, which is characterized in that be provided on the layer of the entrance rectifier structure
Multiple annulus, arranged for interval has multiple rectification holes on each annulus；Or
It is provided with multiple endless belts on the layer of the entrance rectifier structure, is provided on each endless belt spaced apart multiple flat
The commutator bar seam directly or obliquely extended.
6. entrance rectifier structure according to claim 5, which is characterized in that the commutator bar is seamed into rectangle or reaping hook
Shape.
7. entrance rectifier structure according to claim 5, which is characterized in that at the center of the layer of the entrance rectifier structure
It is provided with a rectification hole.
8. entrance rectifier structure according to any one of claim 1-3, which is characterized in that the entrance rectifier structure is set
It is equipped with flaring chamber.
9. entrance rectifier structure according to claim 8, which is characterized in that the side plate or refrigerant inlet adapter tube have
At least partly accommodate the flaring chamber of the flaring chamber of the entrance rectifier structure.
10. entrance rectifier structure according to claim 9, which is characterized in that the flaring chamber of the entrance rectifier structure
Top surface and the side plate or the top surface of flaring chamber taken over of refrigerant inlet at least partly contact and be generally located at
Sustained height is horizontal.
11. entrance rectifier structure according to claim 10, which is characterized in that the flaring chamber of the entrance rectifier structure
The size of the dispensed chambers of bottom size and plate heat exchanger matches, so that the two-phase refrigerant flow flowed into from refrigerant inlet
After being flared chamber, smoothly enter dispensed chambers, and be assigned in corresponding coolant channel.
12. entrance rectifier structure according to claim 11, which is characterized in that the entrance rectifier structure setting is on edge point
Central axis with chamber is taken on any position to the dispensed chambers from refrigerant inlet.
13. entrance rectifier structure according to claim 12, which is characterized in that the entrance rectifier structure is arranged in side plate
Between the jet hole of first distributor.
14. entrance rectifier structure according to claim 12, which is characterized in that the entrance rectifier structure is arranged or collects
Refrigerant inlet described in Cheng Cong rise first the first heat exchange plate on, on first the second heat exchange plate or first second heat exchange
Between plate and first distributor.
15. entrance rectifier structure according to claim 13, which is characterized in that for being changed by the first heat exchange plate and second
The two circuit plate heat exchanger that two kinds of heat exchange plates of hot plate piece are constituted, in the dispensed chambers of second servo loop, first second is changed
It is sealed between hot plate piece and secondary the first heat exchange plate, the entrance rectifier structure is arranged or is integrated in first the first heat exchanger plates
Piece, first the second heat exchange plate, on secondary the first heat exchange plate or on secondary the second heat exchange plate；Or
For by four kinds of the first heat exchange plate, the second heat exchange plate, third heat exchange plate and the 4th heat exchange plate heat exchange plate structures
At two circuit plate heat exchanger, in the dispensed chambers of second servo loop, first the second heat exchange plate and first third heat exchanger plates
It is sealed between piece, the entrance rectifier structure is arranged or is integrated in first the first heat exchange plate, first the second heat exchange plate, head
It opens on third heat exchange plate or on first the 4th heat exchange plate.
16. a kind of plate heat exchanger, wherein the plate heat exchanger has to enter described in any one of -15 according to claim 1
Mouth rectifier structure.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933718.0A CN106885396B (en) | 2015-12-15 | 2015-12-15 | Entrance rectifier structure and plate heat exchanger |
| US16/062,214 US20190310033A1 (en) | 2015-12-15 | 2016-08-15 | Inlet flow regulating structure and plate heat exchanger |
| EP16874532.1A EP3392592A4 (en) | 2015-12-15 | 2016-08-15 | Inlet flow regulating structure and plate heat exchanger |
| PCT/CN2016/095280 WO2017101472A1 (en) | 2015-12-15 | 2016-08-15 | Inlet flow regulating structure and plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933718.0A CN106885396B (en) | 2015-12-15 | 2015-12-15 | Entrance rectifier structure and plate heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106885396A CN106885396A (en) | 2017-06-23 |
| CN106885396B true CN106885396B (en) | 2019-07-19 |
Family
ID=59055673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510933718.0A Expired - Fee Related CN106885396B (en) | 2015-12-15 | 2015-12-15 | Entrance rectifier structure and plate heat exchanger |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190310033A1 (en) |
| EP (1) | EP3392592A4 (en) |
| CN (1) | CN106885396B (en) |
| WO (1) | WO2017101472A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6347003B1 (en) * | 2017-01-25 | 2018-06-20 | デウ シップビルディング アンド マリン エンジニアリング カンパニー リミテッド | LNG ship evaporative gas reliquefaction method and system |
| WO2020110685A1 (en) * | 2018-11-26 | 2020-06-04 | 三菱電機株式会社 | Plate-type heat exchanger and heat-pump-type hot-water supply system |
| CN111397406A (en) * | 2018-12-28 | 2020-07-10 | 丹佛斯有限公司 | Plate heat exchanger |
| CN112097566B (en) * | 2020-09-23 | 2022-09-30 | 哈尔滨工业大学 | Rectification structure of printed circuit board heat exchanger |
| CN114396814B (en) * | 2021-12-28 | 2022-12-30 | 宏雷机械设备(南通)有限公司 | Heat exchanger with adjustable flow |
| CN115507681B (en) * | 2022-09-23 | 2023-10-24 | 浙江英特科技股份有限公司 | Plate heat exchanger |
| CN116817644A (en) * | 2022-10-19 | 2023-09-29 | 浙江三花板换科技有限公司 | Plate heat exchanger |
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| DE3824073C2 (en) * | 1988-07-15 | 1993-12-09 | Laengerer & Reich Kuehler | oil cooler |
| JP3052121B2 (en) * | 1995-08-22 | 2000-06-12 | 株式会社ショウエイ | Heat exchanger |
| JPH1183352A (en) * | 1997-09-05 | 1999-03-26 | Sanou Kogyo Kk | Heat exchanger |
| JP2000002498A (en) * | 1998-06-17 | 2000-01-07 | Calsonic Corp | Rectifier for heat exchanger |
| JP4454779B2 (en) * | 2000-03-31 | 2010-04-21 | 株式会社日阪製作所 | Plate heat exchanger |
| US20080190134A1 (en) * | 2006-11-29 | 2008-08-14 | Parker-Hannifin Corporation | Refrigerant flow distributor |
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- 2015-12-15 CN CN201510933718.0A patent/CN106885396B/en not_active Expired - Fee Related
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2016
- 2016-08-15 US US16/062,214 patent/US20190310033A1/en not_active Abandoned
- 2016-08-15 EP EP16874532.1A patent/EP3392592A4/en not_active Withdrawn
- 2016-08-15 WO PCT/CN2016/095280 patent/WO2017101472A1/en unknown
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| EP0901602B1 (en) * | 1996-05-24 | 2000-02-23 | Alenko AG | Heat exchanger and device for the performance of a cyclic process |
| CN202361872U (en) * | 2011-12-09 | 2012-08-01 | 襄阳航力机电技术发展有限公司 | Plate-fin heat exchanger |
| CN104380022A (en) * | 2012-06-14 | 2015-02-25 | 阿尔法拉瓦尔股份有限公司 | A plate heat exchanger |
| CN104296586A (en) * | 2013-07-15 | 2015-01-21 | 杭州三花研究院有限公司 | Heat exchanger sheet, heat exchanger heat exchange unit and heat exchanger |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3392592A4 (en) | 2019-06-26 |
| US20190310033A1 (en) | 2019-10-10 |
| WO2017101472A1 (en) | 2017-06-22 |
| EP3392592A1 (en) | 2018-10-24 |
| CN106885396A (en) | 2017-06-23 |
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Granted publication date: 20190719 Termination date: 20201215 |