CN107664444A - Effluent journey shell-and-plate heat exchanger plates and multipaths Dismantable plate shell type radiator - Google Patents
Effluent journey shell-and-plate heat exchanger plates and multipaths Dismantable plate shell type radiator Download PDFInfo
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- CN107664444A CN107664444A CN201610607928.5A CN201610607928A CN107664444A CN 107664444 A CN107664444 A CN 107664444A CN 201610607928 A CN201610607928 A CN 201610607928A CN 107664444 A CN107664444 A CN 107664444A
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- heat exchanger
- exchanger plates
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- plate
- plate side
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Classifications
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- 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
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Abstract
A kind of lamella heat exchanger the invention discloses novel heat exchange plate suitable for lamella heat exchanger and using the heat exchanger plates, the heat exchanger plates have two horizontal partitions, and form two horizontal flows communicated or mutually isolated flow region by means of plate side runner of the plate side deflecting bar pipe in heat exchanger plates.More efficient single-pass heat exchanger can be built using this heat exchanger plates, and plate side joint pipe is all disposed within front end flange and covered and the dismountable multipaths lamella heat exchanger of heat exchange core body.This multipaths lamella heat exchanger is easy to open maintenance and carries out mechanical cleaning.
Description
Technical field
The present invention relates to lamella heat exchanger, has horizontal partition suitable for lamella heat exchanger more particularly, to a kind of
Effluent journey shell-and-plate heat exchanger plates and using the heat exchanger plates multipaths Dismantable plate shell type radiator.
Background technology
Shell-and-tube heat exchanger (STHE), plate type heat exchanger (PHE) and lamella heat exchanger (PSHE) are all this area skills
Heat exchanger types known to art personnel, wherein shell-and-tube heat exchanger are to be used as heat-transfer surface to be enclosed in the wall restrained in housing
Dividing wall type heat exchanger, housing are mostly cylindrical shape, and inside is fixed on tube sheet equipped with tube bank, tube bank both ends, and what is exchanged heat is cold and hot
Two kinds of fluids flow in tube side and shell side respectively, are as general as cross-flow passes, and this heat exchanger structure is simple, operation is reliable,
It can especially be used under high temperature, high pressure；Plate type heat exchanger be by a series of metal sheet closed assemblies with bellows-shaped and
Into high-performance heat exchanger, multiple heat exchange plates fit together the cold-hot flow passage to be formed and alternateed, and cold fluid and hot fluid passes through plate
Heat exchange is carried out, it, which flows, parallel to heat-transfer surface and the mostly cocurrent or countercurrent type of flow, this heat exchanger there is heat exchange to imitate
Rate is high, heat loss is small, advantages of compact and light structure, the features such as floor space is small, installation is easy to clean, service life is long.
Lamella heat exchanger can be considered as a kind of structure between above-mentioned shell-and-tube heat exchanger and plate type heat exchanger
Form, the advantages of it has taken into account the two：1. using plate as heat-transfer area, heat conductive efficiency is good；Cold and hot medium runner is handed over inside heat exchanger
For arrangement, caused turbulent flow and complete adverse current pattern ensure that high heat transfer property between plate, and heat transfer coefficient can compare shell
Formula heat exchanger is higher by several times.2. compact-sized, small volume.3. heatproof, resistance to compression, up to 800 DEG C, highest works maximum operating temperature
For pressure up to 6.3 MPas, special shape can also be applied to higher temperature and pressure.4. ripple plate face causes higher table
Face shear stress, it is less scaling.5. cleaning heat exchanger channels can be taken apart using the lamella heat exchanger of special end cap flange arrangement.
Lamella heat exchanger is particularly suitable for use in the larger technique occasion of both sides heat transferring medium flow difference, and shell side passageway is taken over due to configuration
Flexibility allow big flow then to enter the plate wing passage of heat exchanger by, low discharge heat transferring medium.As noted previously, as with reference to
The advantages of board-like and shell-and-tube heat exchanger, lamella heat exchanger turn into the high-performance being widely used in various industrial circles
Heat transmission equipment.The popularization of this heat exchanger is attributed to its many unique and favourable product attribute, including high heat transfer system
Number, all-welded structure, nothing or few gasket material, suitable for high temperature, high pressure, low temperature, various working conditions of low pressure and can root
According to the operating condition high degree of flexibility that type selecting customizes exactly.
Figure 1A is the operation principle structural representation of the lamella heat exchanger as prior art, as shown in Figure 1A, typical case
Lamella heat exchanger mainly include：For adapter Ai, Ao of plate side liquid (A fluids) disengaging heat exchanger, for shell fluid
(B fluids) passes in and out adapter Bi, Bo of heat exchanger, heat exchanger shell C, and the heat exchange core body D in heat exchanger shell C, should
Heat exchange core body D be a series of cold moudling assembled by priorities circular plate package into.And then the heat exchanger plates on the right side of Figure 1A
Shown in pictorial diagram, gateways of two circular hole F as plate side liquid, two pieces of adjacent heat exchanger plates are further opened with every piece of heat exchanger plates
Peripherally contact position is closely welded together to form plate and the runner of plate side liquid is formed to E to E, plate, and two plates are to edge between E
The periphery for circular hole F is welded together to form the runner of shell fluid, and the cylindrical heat exchange core body D being welded completely finally pacifies
In heat exchanger shell C, so as to form shell-side flow space.It is more clearly shown in Figure 1B and is changed for conventional shell-and-plate
The CONSTRUCTED SPECIFICATION of the circular heat exchanger plates of hot device, as shown in Figure 1B, in the upper and lower ends point of the heat exchanger plates of conventional lamella heat exchanger
Circular import 5 and the round exit 6 of plate side liquid She You be used for, and be provided with heat exchange plate surface and formed not by being cold-pressed
With the ripple 2 of form to strengthen flow turbulence and the coefficient of heat transfer.As described above, two pieces of heat exchanger plates peripherally 3 weld together shape
E, A fluids are internally flowed in plate and (namely form plate side runner) into plate as shown in Figure 1A；Adjacent panels are to then edge between E
The bore edges for circular inlet and outlet 5,6 weld together, to realize the sealing between plate side runner and shell-side runner, B fluids
Flowing (namely forming shell-side runner) between plate pair in housing.
Although being not shown in schematic diagram above, front and back end is further respectively had in the front and back end of lamella heat exchanger housing
Lid, they are welded together to form pressure-bearing and sealability with heat exchanger shell.Possessing if desired can open to clean
The ability of heat exchanger channels, drive end bearing bracket can be designed as to flange arrangement, and drive end bearing bracket and heat exchange core body are welded together, with changing
Then linked together between hot device housing by flange connecting pipe.When needing to clean heat exchanger channels, drive end bearing bracket can with heat exchange core body
Extracted out with entirety from housing.In addition, there must be enough gaps between heat exchange core body and housing, to ensure shell fluid in axle
To distribution, in order to allow nearly all shell fluid to flow through heat exchange core body, it is necessary to pacify between heat exchange core body and inner walls
Deflector is filled, farthest reduces the flowing short circuit between heat exchange core body and housing.Relevant special solution water conservancy diversion sealing side
The technical scheme of the problem of face, reference can be made to United States Patent (USP) US 8453721B2.
It is identical with the rectangular heat exchanger plate situation of plate type heat exchanger, form the circular heat exchange of the heat exchange core body of lamella heat exchanger
Plate greatly affects the overall performance and working condition of heat exchanger, it is however generally that the performance of lamella heat exchanger can by with
Under the changes of several parameters adjust and optimize its heat exchange property and mobile performance：1) heat exchanger plates plate line；2) board size that exchanges heat is (straight
Footpath)；3) plate hole size and center pitch of holes；4) plate number；And 5) the respective flow number of cold fluid and hot fluid.Need what is illustrated
Be, flow in the art belong to runner be associated with each other but the different technical term of implication, with plate-type heat-exchange
Exemplified by device, flow refers to a kind of one group of parallel connection runner of the same flow direction of medium in plate type heat exchanger, and runner refers to plate-type heat-exchange
The medium flow channels of adjacent two plates composition in device.And identical concept in lamella heat exchanger be present, it is contemplated that it is tied
Factor on structure, flow and runner are further discriminated between and are defined as plate side and shell-side.Understand that Figure 1A is shown according to above-mentioned definition
Lamella heat exchanger is designed for single process or the design of monoshell journey veneer journey.
In theory, other parameters keep it is constant in the case of, by increase flow number change can meet it is any
The demand of high efficiency operating mode, especially for sometimes required that for the commercial Application of low flow velocity or the small temperature difference multipaths design
(multiple passes design).The fundamental diagram of a three flow lamella heat exchangers is shown in Fig. 2, as schemed institute
Show, lamella heat exchanger is made up of housing 10, heat exchange core body 11, drive end bearing bracket 18 and rear end cap 19.Cold fluid (shell fluid, A
Fluid) 17 enter heat exchanger from the adapter 12 of shell-side lower end, first pass flows up, and flows downward during second procedure, and the 3rd
Flowed again up during flow, then from the outflow heat exchanger of adapter 13 of shell-side upper end.Hot fluid (plate side liquid, B fluids) 16
Flowed into from the adapter 14 positioned at rear end cap 19, similarly flow out heat exchange from the adapter 15 positioned at drive end bearing bracket 18 after three flows
Device.As illustrated, cold fluid and hot fluid flows to formation adverse current opposite each other in each flow, farthest to realize that heat exchange is latent
Power.
In spite of many merits, existing conventional lamella heat exchanger is still suffered from following series of technical and use
Inconvenience：
1) the intrinsic geometric properties of circular heat exchanger plates as shown in Figure 1B, are come from, the rectangular heat exchanger plate phase with plate type heat exchanger
Comparatively, the runner length-width ratio of the plate side liquid of lamella heat exchanger is relatively low, about 1.0 or so.Thus, to Temperature Difference Ratio compared with
The heat exchanger plates design of single process can not effectively transmit heat for small commercial Application, can not often reach heating power optimization, and
And the heat exchange area required for same operating mode is higher relative to detachable plate heat exchanger, thus significantly increase heat exchanger
Cost.
2) the intrinsic geometric properties of circular heat exchanger plates are similarly come from, flowing of the plate side liquid between inlet and outlet is substantially
It is uneven.Fluid flow 7 close to middle section is most short, and flow velocity is maximum；Fluid flow 8 close to neighboring area is most long,
Flow velocity is minimum, and this flow irregularity have impact on overall heat exchange performance.In the A1 of international application application WO 2012159882
Disclose by introducing baffle ripple between inlet and outlet to attempt to reduce this inhomogeneities to a certain extent, but this can not
Fundamentally solves this short intrinsic weakness of flow of the circular heat exchanger plates described in 1).
3) for the higher application of heat exchanging efficiency requirements, it is to use multipaths to solve the short unique practical solution of flow
Design.The method for realizing multipaths lamella heat exchanger in the prior art is by the way that heat exchange core body is divided into multiple packets.Every
Deflection plate or flow-stopping plate are installed between two packets, so as to force plate side liquid to change flow direction.It is also required to simultaneously in shell-side
Deflection plate or flow-stopping plate are installed in relevant position), to ensure that the flowing of plate side and shell-side keeps reverse flow state.But such as Fig. 2 institutes
To show, the multipaths design of lamella heat exchanger always needs to install adapter 14 on rear end cap 19, but due in pressure-bearing and sealing
The reason for, plate side joint pipe must be welded on heat exchange core body 11 and rear end cap 19 simultaneously, to realize heat exchange core body 11 and housing 10
Between be fully sealed.In this case, the front and rear cover of multipaths lamella heat exchanger just must be with case weld one
Rise, therefore this multipaths lamella heat exchanger cannot be opened to carry out mechanical cleaning, can only carry out Chemical cleaning.Exactly by
In this reason, multipaths lamella heat exchanger is typically only applicable to all clean commercial Application of fluid on both sides.
The content of the invention
The purpose of the present invention be exactly in order to solve many technical problems present in above-mentioned prior art, especially solve with
Two major defects of the lamella heat exchanger of upper description：1) veneer flow is too short, therefore reduces overall heat exchange ability；2) it is more
Lamella heat exchanger under flow scheme design can not be opened, therefore can not carry out mechanical cleaning.
According to the first technical scheme of the present invention, there is provided a kind of effluent journey heat exchanger plates for lamella heat exchanger, it is described
Effluent journey heat exchanger plates form two horizontal partitions by means of plate side deflecting bar pipe in its plate side runner, wherein, plate side deflecting bar pipe
Length be less than the radical lengths of heat exchanger plates, to allow to flow between two horizontal partitions that plate side liquid is connected at one end,
The disengaging circular hole of the plate side liquid is separately positioned on the both sides of two disconnected other ends in horizontal partition.
Preferably, in the effluent journey heat exchanger plates according to above-mentioned first technical scheme, the effluent journey heat exchanger plates by means of
Shell-side deflecting bar pipe forms two horizontal partitions in its shell-side runner, wherein, the length of the shell-side deflecting bar pipe is equal to heat exchanger plates
Radical length, to realize shell fluid and the shell-side baffling that the plate side liquid is in reverse flow state.
According to the second technical aspect of the present invention, there is provided a kind of isolated area heat exchanger plates for lamella heat exchanger, it is described
Isolated area heat exchanger plates form two horizontal partitions by means of plate side deflecting bar pipe in its plate side runner, wherein, plate side deflecting bar pipe
Length be equal to heat exchanger plates radical length, so as to the plate side runner formed two mutually isolated horizontal partitions, and point
Upper and lower ends not in described two mutually isolated horizontal partitions set a pair of disengaging circular holes for being used for the plate side liquid.
Preferably, in the isolated area heat exchanger plates according to above-mentioned second technical scheme, the isolated area heat exchanger plates by means of
Shell-side deflecting bar pipe forms two horizontal partitions in its shell-side runner, wherein, the length of the shell-side deflecting bar pipe is equal to heat exchanger plates
Radical length, to realize shell fluid and the shell-side baffling that the plate side liquid is in reverse flow state.
Preferably, in the above-mentioned technical solutions, the heat exchanger plates are circular or ellipse.
Preferably, in the above-mentioned technical solutions, the heat exchanger plates can obtain different heat by the change of geometric properties
Power performance, the heat exchanger plates with different geometric properties can be with mixed configuration in same heat exchange core body.
Preferably, in the above-mentioned technical solutions, the geometric properties include smooth surface, V-arrangement fish ripple, circle or not advised
Pit, post and other structures for being used to strengthen heat exchange then.
According to the third technical aspect of the present invention, there is provided a kind of lamella heat exchanger, including front and rear cover, housing and heat exchange
Core body, by multiple effluent journey heat exchanger plates according to above-mentioned first technical scheme peripherally and disengaging circular hole alternately be welded on one
Rise, form the heat exchange core body that plate side runner and shell-side runner alternate.
According to the fourth technical aspect of the present invention, there is provided a kind of multipaths lamella heat exchanger, including front and rear cover, housing
And heat exchange core body, by multiple effluent journey heat exchanger plates according to above-mentioned first technical scheme peripherally and disengaging circular hole alternately weld
Together, the heat exchange core body part of two flows against rear end cap is formed, and by multiple according to above-mentioned second technical scheme
Isolated area heat exchanger plates peripherally and disengaging circular hole alternately weld together, formed except two flows against rear end cap with
The heat exchange core body part of outer every other flow.
Preferably, in the multipaths lamella heat exchanger according to above-mentioned technical proposal, the effluent journey heat exchanger plates are used for
Flow direction is completed in a longitudinal direction to turn, and so as in the rear on end cap without arranging plate side joint pipe, and makes described change
Hot core body can be dismantled from the housing.
Preferably, in the lamella heat exchanger according to above-mentioned technical proposal, the plate side runner and shell-side runner pass through
Plane contact between adjacent heat exchanger plates and formed, and shell-side water conservancy diversion, baffling and interrupter are without welding.
Preferably, in the lamella heat exchanger according to above-mentioned technical proposal, shell-side water conservancy diversion, baffling and the interrupter
Partially or even wholly it can be substituted by welding structure or other sealing structures.
Preferably, in the lamella heat exchanger according to above-mentioned technical proposal, deflecting bar pipe on heat exchanger plates and shell side bumper are passed through
Effective arrangement of flowing plate, the relative flow direction between adjacent heat exchange runner could be arranged to complete reverse flow, complete concurrent,
Reverse mixed flow or cross-current in the same direction, to realize that the heating power under different application operating mode optimizes.
According to the above-mentioned technical proposal of the present invention, a kind of structure of the novel heat exchange plate for lamella heat exchanger is disclosed
And design, and realize that a kind of heat exchange efficiency is higher, plate side joint pipe is all disposed within front end flange and covered so as to for ease of maintenaince/cleaning
Multipaths lamella heat exchanger.The present invention feature, technique effect and other advantages by by below in conjunction with the accompanying drawings enter one
Step illustrates and become apparent.
Brief description of the drawings
The present invention described by way of example referring now to accompanying drawing, wherein：
Figure 1A is that the part for the operation principle for representing conventional single process lamella heat exchanger analyses schematic diagram, in figure also simultaneously
The pictorial diagram of circular heat exchanger plates for conventional lamella heat exchanger is shown；
Figure 1B represents the CONSTRUCTED SPECIFICATION of the circular heat exchanger plates for conventional lamella heat exchanger；
Fig. 2 is the operation principle and schematic flow sheet of conventional three flow lamella heat exchangers；
Fig. 3 is the effluent journey with the horizontal partition heat exchange according to embodiments of the present invention by taking the stream of plate side liquid as an example
The structure and operation principle schematic diagram of plate；
Fig. 4 is the effluent journey with the horizontal partition heat exchange according to embodiments of the present invention by taking the stream of shell fluid as an example
The structure and operation principle schematic diagram of plate；
Fig. 5 is simplified assembling and the flow of the lamella heat exchanger according to embodiments of the present invention using effluent journey heat exchanger plates
Schematic diagram；
Fig. 6 is the isolated area with lateral isolation subregion by taking the stream of plate side liquid as an example according to variation of the present invention
The structure and operation principle schematic diagram of heat exchanger plates；
Fig. 7 is the isolated area with lateral isolation subregion by taking the stream of shell fluid as an example according to variation of the present invention
The structure and operation principle schematic diagram of heat exchanger plates；
Fig. 8 is assembled according to the simplifying for the dismountable multipaths lamella heat exchanger of heat exchange core body of variation of the present invention
And schematic flow sheet.
Embodiment
Below, the technology contents of the preferred embodiment of the present invention, construction feature are explained with reference to accompanying drawing and is reached
Technical purpose and technique effect.
First, instant invention overcomes the following technology of the circular heat exchanger plates on conventional lamella heat exchanger limitation：With plate
Exemplified by effluent journey, plate side liquid one-way flow on circular heat exchanger plates, the plate side process CIMS on single heat exchanger plates is short, and plate
Flowing of the side liquid between the inlet and outlet of circular heat exchanger plates is uneven, have impact on overall heat exchange ability.Secondly, the present invention also gram
The following technology prejudice of the multipaths lamella heat exchanger on routine is taken：Multipaths lamella heat exchanger is needed in front and back end
The lid interface of arranging plate side liquid and its adapter respectively, because the front and rear cover of this lamella heat exchanger must be with heat exchanger shell
Body welds together, and so as to open carry out mechanical cleaning, can only carry out Chemical cleaning.Above-mentioned technology limitation and prejudice are a large amount of
Appear in the prior art data for introducing lamella heat exchanger, the present inventor is basic by the technical scheme of creativeness
Property overturned this point, central inventive concept is the circular heat exchanger plates of routine being divided into two horizontal partitions, and passes through spy
Different speckle design is in plate side and shell-side formation two is communicated with each other or mutually isolated flow regimes division, about CONSTRUCTED SPECIFICATION and work
Seen below as principle described.
In the single process lamella heat exchanger of routine, because plate effluent journey is too short so reduce overall heat exchange ability,
According to a preferred embodiment of the invention, the critical component for helping to solve this problem is with two horizontal partitions and by plate side
The inlet and outlet circular hole of fluid is arranged into the circular heat exchanger plates of same one end, and this special heat exchanger plates can be referred to as effluent journey heat exchanger plates
(Lateral pass plate), its detailed operation principle combination Fig. 3-Fig. 5 expansion illustrate.
Fig. 3 is the effluent journey with the horizontal partition heat exchange according to embodiments of the present invention by taking the stream of plate side liquid as an example
The operation principle schematic diagram of plate；Fig. 4 is that according to embodiments of the present invention have horizontal partition by taking the stream of shell fluid as an example
Effluent journey heat exchanger plates operation principle schematic diagram；Fig. 5 is the single current according to embodiments of the present invention using effluent journey heat exchanger plates
Journey lamella heat exchanger simplifies assembling and schematic flow sheet.The plate side deflecting bar pipe 22 of centre shown in Fig. 3 is by adjacent two pieces of circles
Two compressing straight lines are contacted with each other to be formed on shape heat exchanger plates, and without welding, heat exchange core body is assembled between back plate
Pressure may insure required sealing.The effluent journey heat exchanger plates with two connection horizontal partitions are also show in figure 3
The flow trace of plate side liquid, first, plate side liquid flow into via the import circular hole 20 of lower right, middle plate side deflecting bar pipe 22
It can prevent plate side liquid from flowing directly into the outlet circular hole 21 of lower left, and the direction warp shown in directing plate side liquid along arrow 23
Flowed from plate inner flow passage to the top of heat exchanger plates.Secondly as the length of plate side deflecting bar pipe 22 is less than the diameter of circular heat exchanger plates,
So as to reserve an opening 24 at the top of heat exchanger plates, to allow plate side liquid can be from right partition subregion to the left laterally
Flowing.Then, further flowed downward via plate inner flow passage along the direction directing plate side liquid shown in arrow 25, and finally by a left side
The outlet circular hole 21 of lower section flows out.The flow distance that this horizontal flow scheme design allows on same circle heat exchanger plates adds one
Times, width of flow path and actual internal area reduce about one times, and this causes length-width ratio in the plectane upper runner of same diameter from big
About 1 increases to about 4, therefore flow velocity under same flow and the coefficient of heat transfer can significantly improve, and to the heat exchange under the small temperature difference
Ability can also significantly improve.Meanwhile the flow irregularity of plate side liquid obtained than the typical round heat exchanger plates shown in Figure 1B it is bright
It is aobvious to improve.
In lamella heat exchanger, the runner of shell fluid by two adjacent plates to being formed, the shell of the centre shown in Fig. 4
Side deflecting bar pipe 28 is by two adjacent plate centerings directly on relative two pieces of heat exchanger plates, the two straight lines raised to shell side
Contact with each other to be formed.The flowing rail of the shell fluid of the effluent journey heat exchanger plates with two horizontal partitions is also show in Fig. 4
Mark, it should be noted that 12,13 position on outer cover of heat exchanger of shell-side inlet and outlet adapter also have accordingly been adjustment, and
And it is different from plate side deflecting bar pipe 22, shell-side deflecting bar pipe 28 extends to whole plectane diameter.First, shell fluid connects from shell-side inlet
The inflow heat exchanger of pipe 12 and the gap distribution area 30 entered between housing 10 and heat exchange core body 11, the one side in distributed area 30 is by water conservancy diversion
Plate 31 is sealed, and another side is blocked by bottom deflection plate 29.Therefore, shell fluid is just along the direction shown in arrow 32 between plate
Runner flows up, and enters top cloth area 33.Then, shell fluid flows to right partition from left side subregion herein, and
Further flowed downward along the direction shown in arrow 34 via plate flow channel.Finally, shell fluid enters housing 10 and heat exchange
Gap distribution area 35 between core body 11, and under the common limitation of right side deflector 31 and bottom deflection plate 29, go out from shell-side
The mouth outflow heat exchanger of adapter 13.Because shell fluid is roughly the same with the flow region of plate side liquid, but flows to contrast, from
And the pure reverse flow state of higher degree can be formed, realize the heat transfer potential of maximum.
A complete single process plate shell for employing the effluent journey heat exchanger plates shown in Fig. 3 and Fig. 4 is shown in Figure 5
Formula heat exchanger.As shown in figure 5, single process lamella heat exchanger according to embodiments of the present invention include housing 10, drive end bearing bracket 18, after
End cap 19 and a series of heat exchange core body assembled by effluent journey heat exchanger plates 56 according to embodiments of the present invention, wherein baffling
Plate 29 is located at the bottom of heat exchange core body.Plate side liquid enters heat exchanger by the entrance sleeve 14 being arranged on drive end bearing bracket 18, and from
The outflow heat exchanger of discharge connection 15 being arranged on drive end bearing bracket 18, and shell fluid is by the inflow heat exchanger of shell-side adapter 12 and from going out
The mouth outflow heat exchanger of adapter 13.This configuration shown in Fig. 5 is substantially identical to a plate side Double-tube-pass heat exchanger, but rear
It is not provided with taking on end cap 19.
It is important to note that above-mentioned effluent journey heat exchanger plates can also be configured in using the conventional design shown in Fig. 2
Any flow number multipaths lamella heat exchanger in, it is more with the same flow number of the conventional heat transfer plate shown in configuration diagram 1B
Flow lamella heat exchanger is compared, and configures the effluent journey heat exchanger plates of the embodiment of the present invention and heating power length of flow can be made to add one
Times, the flow for being in other words exactly plate side liquid adds one times, and the length-width ratio of runner has increased about 3 times.In addition, according to this hair
The plate journey design of bright embodiment can be used cooperatively with the shell side design of routine, be not limited to use according to Fig. 3 simultaneously
Plate journey design and according to Fig. 4 shell side design, this point be similar to shell-and-tube heat exchanger in multitube distance can coordinate with muitishell
The situation of application, additionally it is possible to save the improvement cost of conventional lamella heat exchanger to a certain extent.In summary, according to this hair
The effluent journey heat exchanger plates of bright embodiment, are solved in conventional lamella heat exchanger more satisfactoryly, and plate effluent journey is too short and plate
Problem caused by the flow irregularity of side liquid.
Furthermore above-mentioned effluent journey heat exchanger plates according to embodiments of the present invention can be extended to another important flow cloth
Variation is put, so that the multipaths lamella heat exchanger according to manufactured by the configuration of variation of the present invention need not rear end again
Cover and any adapter is set, therefore the heat exchange core body of multipaths lamella heat exchanger is extracted progress machinery out from housing
Cleaning, this just fundamentally overcomes technology prejudice of the prior art, and detailed operation principle combination Fig. 6 about variation-
Fig. 8 expansion illustrates.
Fig. 6 is the isolated area with lateral isolation subregion by taking the stream of plate side liquid as an example according to variation of the present invention
The operation principle schematic diagram of heat exchanger plates；Fig. 7 is the having laterally by taking the stream of shell fluid as an example according to variation of the present invention
Isolate the operation principle schematic diagram of the isolated area heat exchanger plates of subregion；Fig. 8 is detachable according to the heat exchange core body of variation of the present invention
Multipaths lamella heat exchanger simplify assembling and schematic flow sheet.Fig. 6 shows the circular heat exchanger plates according to variation
Structure design and operation principle, the heat exchanger plates shown in Fig. 6 have different at two from the effluent journey heat exchanger plates shown in Fig. 3：1) plate side
Deflecting bar pipe increases to the length of whole diameter, and plate face is divided into two isolated areas in left and right；2) upper and lower in every one side isolated area
Respectively there is the inlet and outlet circular hole of a pair of plate side liquids at both ends, and this special mutation heat exchanger plates can be referred to as isolated area heat exchanger plates, or
Person is referred to as isolated area plate (Isolated Partition plate).
Specifically, the plate side deflecting bar pipe 28,61 shown in Fig. 6 is by two compressing on adjacent two pieces of circular heat exchanger plates
Straight lines contacts with each other to be formed, and without welding, the pressure between heat exchange core body assembling back plate may insure required sealing.
It should be noted that the effect of above-mentioned two plate lateral flow strip 28,61 is exactly plate side liquid of the isolation in different flows, therefore
A median plate side deflecting bar pipe can be considered as on the whole.Plate side liquid is also show in figure 6 in the left and right of isolated area heat exchanger plates
Flow trace in two lateral isolation subregions, isolates in subregion on right side, and plate side liquid flows into and straight via import circular hole 20
Connect outlet circular hole 64 corresponding to flow direction and enter downstream, and isolate in left side in subregion, the plate effluent from previous flow
Body oppositely flows into via import circular hole 63 and flows directly into corresponding outlet circular hole 21.
As described above, in lamella heat exchanger, the runner of shell fluid by two adjacent plates to being formed, shown in Fig. 7
Two shell-side deflecting bar pipes 28,61 from two adjacent plate centerings directly on relative two pieces of heat exchanger plates to shell side it is raised two
Bar is straight, and lines contacts with each other to be formed.It should be noted that two shell-side deflecting bar pipes likewise extend into its plate side deflecting bar pipe
Whole plectane diameter, they can also can be considered as a central shell-side deflecting bar pipe on the whole.Use is also show in the figure 7
Flow trace of the shell fluid of this isolated area heat exchanger plates in the lateral isolation subregion of left and right two, isolate subregion in left side
In, enter the gap distribution area between housing 10 and heat exchange core body 11 from the shell fluid of the inflow heat exchanger of shell-side inlet adapter 12
30, the one side in distributed area 30 is sealed by deflector 31, and another side is blocked by bottom deflection plate 29.Therefore, shell fluid just along
Direction shown in arrow 32 flows up via plate flow channel, and enters top cloth area 33.Due to the right side in top distributed area 33
Side by being blocked by top deflection plate 67, shell fluid can only vertically/longitudinal direction flow to next flow.Isolate subregion on right side
In, come from the shell fluid of previous flow under the common limitation of top deflection plate 67 and right side deflector 31, along arrow
Direction shown in 34 flows downward via plate flow channel, and then shell fluid enters the gap between housing 10 and heat exchange core body 11
Distributed area 35, and under the common limitation of right side deflector 31 and bottom deflection plate 29, finally flowed out from shell-side outlet adapter 13
Heat exchanger.Similarly, since shell fluid is roughly the same with the flow region of plate side liquid, but contrast is flowed to, so as to
To form the pure reverse flow state of higher degree, the heat transfer potential of maximum is realized.In addition, pass through deflecting bar pipe on heat exchanger plates and shell side bumper
Effective arrangement of flowing plate, the relative flow direction between adjacent heat exchange runner could be arranged to complete reverse flow, complete concurrent,
Reverse mixed flow or cross-current in the same direction, to realize that the heating power under different application operating mode optimizes.
It should be noted that display is the flowing of plate side liquid and shell fluid in a certain specific flow in figure 6 and figure 7
Direction, and the flow direction of cold fluid and hot fluid can change in adjacent run, to those skilled in the art, be not difficult to manage
Solution flow changes back plate side liquid and the mobility status of shell fluid, therefore the explanation that is omitted herein.In addition, according to the present invention
The plate journey design of variation can also be used cooperatively with the shell side design of routine, be not limited to use according to Fig. 7 simultaneously
Plate journey design and according to Fig. 7 shell side design, this can save being transformed into for conventional lamella heat exchanger to a certain extent
This.
By the way that effluent journey heat exchanger plates isolated area heat exchanger plates described above are used in combination, it is possible to which realization meets working condition requirement
Higher flow number (such as 4,6,8,10 and any even number flow number.It is pointed out that because each piece of heat exchanger plates have two
Individual flow, if so on the basis of each piece of heat exchanger plates, achievable flow number may actually be any value, not
Even number flow this limitation), and plate side joint pipe is provided entirely in the multipaths plate shell of the detachable heat exchange core body on drive end bearing bracket
Formula heat exchanger.In the lamella heat exchanger of this high flow number, effluent journey is used in two flows of rear end cap side
Heat exchanger plates, isolated area heat exchanger plates are used in remaining other flows.In fact, the effluent journey heat exchanger plates in the design of this multipaths
Effect be exactly to allow cold fluid and hot fluid to reach to complete 180 degree before rear end cap and turn around, to avoid having on rear end cap any plate side joint
Pipe.
Fig. 8 shows the structure and flow principles of the six flow lamella heat exchangers according to variation of the present invention, such as Fig. 8 institutes
Show, the six flows lamella heat exchanger includes drive end bearing bracket 18, rear end cap 19 and by one group of effluent journey heat exchanger plates 56 and two groups
The heat exchange core body that isolated area heat exchanger plates 65 assemble, wherein bottom deflection plate 29 and top deflection plate 67 are located at heat exchange core respectively
The bottom and top of body.Plate side liquid enters heat exchanger by the entrance sleeve 14 being arranged on drive end bearing bracket 18, and before being arranged at
The outflow heat exchanger of discharge connection 15 on end cap 18, and shell fluid is by the inflow heat exchanger of shell-side adapter 12 and from discharge connection 13
Outflow heat exchanger.Illustrate the work of the six flows Dismantable plate shell type radiator by taking the complete stream of plate side liquid as an example below
Make process, plate side liquid enters heat exchanger from the entrance sleeve 14 on drive end bearing bracket 18, and first pass and second procedure are different
Isolated area heat exchanger plates complete, wherein first pass flows up, second procedure to flow down；Then, the 3rd flow and the 4th flow
In the same side, flow heat exchanger plates are completed, wherein the 3rd flow flows up, the 4th flow is to flowing down；Finally, the 5th flow and
Six flows are completed in isolated area heat exchanger plates corresponding with first pass and second procedure respectively, wherein the 5th flow is to upstream
Dynamic, the 6th flow is to flowing down, and most back plate side liquid is from the outflow heat exchanger of discharge connection 14 on drive end bearing bracket 18.On shell-side
The stream of fluid is then just related to the stream of above-mentioned plate side liquid, and those skilled in the art are not difficult to understand its work with reference to Fig. 7
Process, therefore omit the description herein.As can be seen from Figure 8, in the third and fourth flow of rear end cap side
Using effluent journey heat exchanger plates, isolated area heat exchanger plates are used in other flows, in the design of this mutation multipaths, the heat exchange of effluent journey
Plate is actually used to complete flow direction in a longitudinal direction to turn (U-Turn), to allow the gateway of plate side liquid to take over
Drive end bearing bracket is all arranged on, therefore just without setting any plate side joint pipe in rear end cap side.
According to embodiments of the present invention and the shell-and-plate heat exchanger plates of variation design and the lamella heat exchanger that configures accordingly and
Traditional design structure, which is compared, a series of advantage：
-- solve the problems, such as that the veneer flow of circular shell-and-plate heat exchanger plates is short：The shell-and-plate designed according to the present invention exchanges heat
Circular flow channel is become two horizontal partitions by plate by special deflecting bar pipe, so as to reduce actual internal area, adds plate effluent
The length of flow of journey so that increase to about 4 from about 1 in the length-width ratio of the plectane upper runner of same diameter.
-- realize the heat exchange core body dismoutability of multipaths structure：Changed by being used in mixed way effluent journey heat exchanger plates and isolated area
Hot plate, it is possible to achieve the dismoutability of the heat exchange core body of multipaths lamella heat exchanger, because any without being set on rear end cap
Plate side joint pipe.This structure allows shell-side to open carry out mechanical cleaning, so that multipaths lamella heat exchanger can use
There may be the commercial Application of dirt in side.
-- overall more efficient heat exchanger：Due to above-mentioned various advantages, heat exchange efficiency can be designed and produced out according to the present invention
It is higher, cost is lower and the single process or multipaths lamella heat exchanger easily safeguarded, meet that high temperature, high pressure, low temperature, low pressure should
To high efficiency and the needs of maintainable lamella heat exchanger in.
According to duty parameter and required flow number, shell-and-plate heat exchanger plates described in the invention have the following two kinds typical
Application examples.Both application examples need two groups of inlet and outlet and the shape of deflecting bar pipe.
【First application examples】
Effluent journey heat exchanger plates only are used in the first application examples, it is applied to the application of any flow quantity.
- compacting effluent journey heat exchanger plates according to embodiments of the present invention.
- by multiple effluent journey heat exchanger plates peripherally and inlet and outlet circular hole alternately weld together, formed cold-hot flow passage it is mutual
Alternate heat exchange core body.If multipaths then needs to use the flow-stopping plate with blind hole in the position of flow change.This gear
Flowing plate comes from same mould with other heat exchanger plates, and unique difference is that one of circular hole is not rushed to open, to change plate side liquid
Flow direction.
- to each flow, in the top of heat exchange core body or bottom installation deflection plate.If single process then only need to be in bottom
Deflection plate is installed.
- heat exchange core body, front and rear cover, housing, edges of boards adapter, shell-side are taken over and be welded together to form overall heat exchange device.
- if single process, the adapter of plate side two is all in drive end bearing bracket；If multipaths, the adapter of plate side one is in front end
Lid, another adapter of plate side is in rear end cap.
【Second application examples】
Effluent journey heat exchanger plates and isolated area heat exchanger plates are used in combination in the second application examples, to realize that heat exchange core body is detachable
Multipaths lamella heat exchanger (such as 4,6,8,10 and any even number flow number, if on the basis of each piece of heat exchanger plates, can
The flow number of realization may actually be any value, not this limitation of even number flow).
- suppress two class heat exchanger plates respectively with variation according to an embodiment of the invention.Wherein, the first kind is according to the present invention
The isolated area heat exchanger plates of variation, the second class are according to the effluent journey heat exchanger plates of the embodiment of the present invention, such heat exchanger plates
Only it is useful in the flow of rear end cap.
- by multiple isolated area heat exchanger plates peripherally and circular hole alternately weld together, formed except adjacent back end lid
The heat exchange core body part in all other flow beyond two flows.
- by multiple effluent journey heat exchanger plates peripherally and circular hole alternately welds together, form two of adjacent back end lid streams
The heat exchange core body part of journey.
- heat exchange core body, flange form drive end bearing bracket, heat exchange core body and plate side joint pipe be welded together to form core component.
- by circular shell, rear pressure plare, shell-side companion flange disk and shell-side adapter be welded together to form housing group
Part.
- core component and housing unit are clamped together by multiple bolts for being arranged in flange periphery and complete overall change
Hot device, annular sealing gaskets is provided between ring flange.In this multipaths lamella heat exchanger, two adapters of plate side all exist
On drive end bearing bracket.Therefore carry out mechanical cleaning can be opened.
In above-described embodiment and variation, according to the shell-side flow (shell of the lamella heat exchanger of technical solution of the present invention
Journey) with plate effluent journey (plate journey) quantity, equal length but in opposite direction, it is achieved thereby that plate side liquid and shell fluid is pure inverse
Stream mode, and the heat exchange efficiency between cold fluid and hot fluid is improved to greatest extent.However, it is desirable to especially, it is emphasized that in the present invention
Lamella heat exchanger in can with fit applications according to the present invention plate journey design and according to the shell side of prior art design, change speech
It, can transform plate effluent journey, this point is especially in tradition depending on specific commercial Application only according to technical scheme
Lamella heat exchanger transformation in terms of there is certain cost advantage.
It is evidenced from the above discussion that although various embodiments of the present invention have had been described and illustrated, the invention is not restricted to this,
But also can otherwise it be embodied in the range of theme defined in the appended claims.For example, phase is occurred to a side liquid
The commercial Application (evaporator, condenser) of change, the fluid not undergone phase transition can be arranged in the effluent journey that the present invention describes and changed
The plate side of hot plate, to improve single-phase heat transfer coefficient, and the fluid undergone phase transition is arranged into shell-side.But it need not be set in shell-side
Baffling.Efficient design of local 1 flow to 2 flows can so be realized.Furthermore such as phase is occurred to one or both sides fluid
Become, and have the commercial Application (evaporator, condenser) of overheat or supercooling demand, the fluid undergone phase transition can also be arranged in
The plate side for the effluent journey heat exchanger plates that the present invention describes.One side subregion of same heat exchanger plates is used for evaporating or condensing, and another
Individual side subregion can be used for realizing overheat or supercooling, can so realize efficient design of local 1 flow to 2 flows.Further, example
Such as shell, end plate and heat exchanger plates can have elliptical shape.Such elliptical shape is included in art in the context of this description
In language " circle ".Heat exchanger can also have additional flow channel, and thus multiple end plates and shell can have more than one
Corresponding entrance and exit port.
The above disclosed right for being only the preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.It should be appreciated that
Description above is intended to illustrative and not limiting.For example, above-described embodiment (and/or its aspect) can be with combination with one another.
In addition, can make many remodeling according to the enlightenment of the present invention is suitable for specific situation or material without departing from the present invention's
Scope.By reading foregoing description, many other embodiments and remodeling in scope and spirit of the claims are to this area
Technical staff is obvious.
Claims (13)
- A kind of 1. effluent journey heat exchanger plates for lamella heat exchanger, it is characterised in that：The effluent journey heat exchanger plates are by means of plate Side deflecting bar pipe forms two horizontal partitions in its plate side runner, wherein, the length of plate side deflecting bar pipe is less than the footpath of heat exchanger plates To length, to allow to flow between two horizontal partitions that plate side liquid is connected at one end, the disengaging circle of the plate side liquid Hole is separately positioned on the both sides of two disconnected other ends in horizontal partition.
- 2. effluent journey heat exchanger plates as claimed in claim 1, it is characterised in that：The effluent journey heat exchanger plates are by means of shell-side baffling Bar forms two horizontal partitions in its shell-side runner, wherein, the length of the shell-side deflecting bar pipe is equal to the radical length of heat exchanger plates, To realize shell fluid and the shell-side baffling that the plate side liquid is in reverse flow state.
- A kind of 3. isolated area heat exchanger plates for lamella heat exchanger, it is characterised in that：The isolated area heat exchanger plates are by means of plate Side deflecting bar pipe forms two horizontal partitions in its plate side runner, wherein, the length of plate side deflecting bar pipe is equal to the footpath of heat exchanger plates To length, so as to form two mutually isolated horizontal partitions in the plate side runner, and respectively described two mutually isolated Horizontal partition upper and lower ends set a pair be used for the plate side liquid disengaging circular holes.
- 4. isolated area heat exchanger plates as claimed in claim 3, it is characterised in that：The isolated area heat exchanger plates are by means of shell-side baffling Bar forms two horizontal partitions in its shell-side runner, wherein, the length of the shell-side deflecting bar pipe is equal to the radical length of heat exchanger plates, To realize shell fluid and the shell-side baffling that the plate side liquid is in reverse flow state.
- 5. the heat exchanger plates as described in any one in Claims 1-4, it is characterised in that：The heat exchanger plates are circular or oval Shape.
- 6. heat exchanger plates as claimed in claim 5, it is characterised in that：The heat exchanger plates can be obtained by the change of geometric properties Different thermal performances, the heat exchanger plates with different geometric properties can be with mixed configuration in same heat exchange core body.
- 7. heat exchanger plates as claimed in claim 6, it is characterised in that：The geometric properties include smooth surface, V-arrangement fish ripple, Circular or irregular pit, post and other structures for being used to strengthen heat exchange.
- 8. a kind of lamella heat exchanger, including front and rear cover, housing and heat exchange core body, it is characterised in that by multiple claims 1 Or the effluent journey heat exchanger plates described in 2 are peripherally and disengaging circular hole alternately welds together, and form plate side runner and shell-side runner The heat exchange core body alternateed.
- 9. a kind of multipaths lamella heat exchanger, including front and rear cover, housing and heat exchange core body, it is characterised in that by multiple power Profit requires effluent journey heat exchanger plates described in 1 or 2 peripherally and disengaging circular hole alternately welds together, and is formed against rear end cap The heat exchange core body part of two flows, and the isolated area heat exchanger plates described in multiple claims 3 or 4 peripherally and are passed in and out Circular hole alternately welds together, and forms the heat exchange core body portion of the every other flow in addition to two flows against rear end cap Point.
- 10. multipaths lamella heat exchanger as claimed in claim 9, it is characterised in that：The effluent journey heat exchanger plates are used for Flow direction is completed on longitudinal direction to turn, and so as in the rear on end cap without arranging plate side joint pipe, and makes the heat exchange Core body can be dismantled from the housing.
- 11. lamella heat exchanger as claimed in claim 8 or 9, it is characterised in that：The plate side runner and shell-side runner pass through Plane contact between adjacent heat exchanger plates and formed, and shell-side water conservancy diversion, baffling and interrupter are without welding.
- 12. lamella heat exchanger as claimed in claim 11, it is characterised in that：Shell-side water conservancy diversion, baffling and the interrupter Partially or even wholly it can be substituted by welding structure or other sealing structures.
- 13. lamella heat exchanger as claimed in claim 12, it is characterised in that：Pass through deflecting bar pipe on heat exchanger plates and shell side bumper stream Effective arrangement of plate, the relative flow direction between adjacent heat exchange runner could be arranged to complete reverse flow, complete concurrent, inverse To mixed flow in the same direction or cross-current, to realize that the heating power under different application operating mode optimizes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607928.5A CN107664444B (en) | 2016-07-28 | 2016-07-28 | Side flow plate-shell type heat exchange plate and multi-flow detachable plate-shell type heat exchanger |
| PCT/CN2017/093801 WO2018019182A1 (en) | 2016-07-28 | 2017-07-21 | Side-flow plate and shell-type heat exchanging plate and multi-flow detachable plate and shell-type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607928.5A CN107664444B (en) | 2016-07-28 | 2016-07-28 | Side flow plate-shell type heat exchange plate and multi-flow detachable plate-shell type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107664444A true CN107664444A (en) | 2018-02-06 |
| CN107664444B CN107664444B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610607928.5A Active CN107664444B (en) | 2016-07-28 | 2016-07-28 | Side flow plate-shell type heat exchange plate and multi-flow detachable plate-shell type heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107664444B (en) |
| WO (1) | WO2018019182A1 (en) |
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| CN110044200A (en) * | 2019-04-19 | 2019-07-23 | 富奥汽车零部件股份有限公司 | A kind of heat exchanger plates and the plate heat exchanger using the heat exchanger plates |
| CN112361852A (en) * | 2020-10-28 | 2021-02-12 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Printed circuit board heat exchanger |
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| DK179767B1 (en) * | 2017-11-22 | 2019-05-14 | Danfoss A/S | Heat transfer plate for plate-and-shell heat exchanger and plate-and-shell heat exchanger with the same |
| CN109737775B (en) * | 2019-03-06 | 2024-04-12 | 山东恒辉节能技术集团有限公司 | Efficient and easy-to-clean sewage heat exchanger |
| CN110112765A (en) * | 2019-06-13 | 2019-08-09 | 广东电网有限责任公司 | A kind of home intelligent peak load shifting control system and super capacitance cell group |
| CN114508956A (en) * | 2020-11-16 | 2022-05-17 | 丹佛斯有限公司 | Plate and shell heat exchanger and heat transfer plate for a plate and shell heat exchanger |
| CN114623630A (en) * | 2020-12-09 | 2022-06-14 | 广东美的白色家电技术创新中心有限公司 | Heat exchanger and dish washing machine |
| CN113883929B (en) * | 2021-09-28 | 2023-10-17 | 浙江搏克换热科技有限公司 | Heat exchange equipment of intelligent temperature monitoring |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018019182A1 (en) | 2018-02-01 |
| CN107664444B (en) | 2021-04-02 |
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Effective date of registration: 20211215 Address after: 54 wicker Road, Richmond Hill, Ontario, Canada Patentee after: Huang Xingcun Address before: Room 11, building 3, camel paint building, 60 Kaiyuan Road, Kwun Tong, Q, Kowloon, Hongkong, China Patentee before: IES ENGINEERING (HONG KONG) Ltd. |