CN108679886A - Falling film evaporator and electric appliance product - Google Patents
Falling film evaporator and electric appliance product Download PDFInfo
- Publication number
- CN108679886A CN108679886A CN201810697711.7A CN201810697711A CN108679886A CN 108679886 A CN108679886 A CN 108679886A CN 201810697711 A CN201810697711 A CN 201810697711A CN 108679886 A CN108679886 A CN 108679886A
- Authority
- CN
- China
- Prior art keywords
- hole
- heat exchanger
- exchanger tube
- film evaporator
- downward film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011552 falling film Substances 0.000 title abstract description 3
- 239000003507 refrigerant Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims description 41
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 44
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 7
- 230000002452 interceptive effect Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F25B39/028—Evaporators having distributing means
-
- 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
- F25B2339/021—Evaporators in which refrigerant is sprayed on a surface to be cooled
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a falling film evaporator, which relates to the technical field of electric appliances and comprises a plurality of heat exchange tubes, wherein the heat exchange tubes at least comprise a group of upper heat exchange tubes and lower heat exchange tubes arranged below the upper heat exchange tubes in an opposite mode, and a drainage component used for draining a refrigerant attached to the upper heat exchange tubes to the lower heat exchange tubes is arranged between the upper heat exchange tubes and the lower heat exchange tubes.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly, to a kind of downward film evaporator and electric equipment products.
Background technology
Downward film evaporator heat transfer process is mainly that falling liquid film feed liquor component evenly distributes the refrigerant from inlet under
Thin film is formed on square first row heat exchanger tube, refrigerant liquid film comes into full contact with first row heat exchange pipe surface and concurrently gives birth to heat exchange
And evaporate, unevaporated refrigerant is dropped to along first row heat exchanger tube on the second row heat exchanger tube of lower section, in second row heat exchanger tube
Thin film is formed, refrigerant liquid film comes into full contact with second row heat exchange pipe surface concurrently gives birth to heat exchange and evaporate, unevaporated
Refrigerant is dropped to along second row heat exchanger tube on the third row's heat exchanger tube of lower section, repeats above-mentioned heat transfer process, final liquid refrigerants drop
Downward film evaporator bottom is dropped down onto to form submergence area.
In above-mentioned heat transfer process, the gas for evaporating generation is discharged from gas outlet.But it is adjacent up and down row heat exchanger tube it is cold
Matchmaker is dripped in transmittance process, and drop refrigerant is easy during dropping on lower row's heat exchanger tube, to splash tiny drop, tiny
Drop can be brought into refrigeration system compressor by gaseous coolant, formed band liquid, and then influence refrigeration system in compressor property
Energy and service life.
Invention content
It is simple in structure the purpose of the present invention is to provide a kind of downward film evaporator and electric equipment products, by being changed upper
Drainage component is added between heat pipe and lower heat exchanger tube, to which the refrigerant for being attached to heat exchanger tube is drained to lower heat exchanger tube.Effectively
It prevents drop refrigerant during dropping to lower heat exchanger tube the problem of caused fluid spills, prevents from interfering evaporator
To improve service life.
To achieve the above object, the present invention provides following technical schemes：
Downward film evaporator provided by the invention, including multiple heat exchanger tubes are included, one is included at least in the multiple heat exchanger tube
Heat exchanger tube and the lower heat exchanger tube being relatively arranged below the upper heat exchanger tube in group, which is characterized in that the upper heat exchanger tube and institute
State the drainage component being equipped between lower heat exchanger tube for the refrigerant for being attached to the upper heat exchanger tube to be drained to the lower heat exchanger tube.
Optionally, including at least one support plate for being used to support each heat exchanger tube and the drainage component.
Optionally, the support plate offers the first through hole passed through respectively for the upper heat exchanger tube, the lower heat exchanger tube
The third through-hole that the second through-hole, the drainage component passed through passes through.
Optionally, the third through-hole first through hole connection adjacent with upper part.
Optionally, the third through-hole first through hole adjacent with upper part and it is adjacent with its underpart described in
Second through-hole is connected to.
Optionally, the third through-hole first through hole adjacent with upper part and it is adjacent with its underpart described in
Second through-hole is not connected to.
Optionally, the drainage component is drainage piece.
Optionally, the drainage piece is elongate configuration, and the length of the length direction of the drainage piece and the heat exchanger tube
Direction is consistent.
Optionally, the support plate includes at least the end support plate at the both ends for being respectively supported at the heat exchanger tube.
Optionally, the length of the drainage component projecting end support plate is L1, and 0≤L1≤100mm.
Optionally, the width of the drainage piece is w, and 0.1mm≤w≤10mm.
Optionally, the width w of the drainage component is between 1mm-3mm.
Optionally, the third through-hole is rectangular through-hole, and the cross section of the drainage component is rectangle, the drainage component
Width w and the third through-hole width L4 fit-up gap value between 0.1mm-3mm.
Optionally, the first through hole, second through-hole are circular hole and a diameter of D, the first through hole under it
Pitch-row between adjacent second through-hole in portion is H, the upper surface of the third through-hole it is adjacent with upper part described first
Gap between through-hole is L2, and the gap between second through-hole adjacent with its underpart of the lower face of the third through-hole is
L3, the height h=H-D-L2-L3 of the drainage component.
Optionally, the gap L 2 between the first through hole adjacent with upper part of the upper surface of the third through-hole is equal to
Gap L 3 between second through-hole adjacent with its underpart of the lower face of the third through-hole.
Optionally, the gap L 2 between the first through hole adjacent with upper part of the upper surface of the third through-hole exists
Between 0.1mm-5mm.
Optionally, further include the falling liquid film feed liquor component being set to above the heat exchanger tube, and the falling liquid film feed liquor component
Length is less than or equal to the length of the heat exchanger tube.
Optionally, the multiple heat exchanger tube includes multigroup upper heat exchanger tube and the lower heat exchanger tube, to form falling liquid film
Stringing region, is further opened with fourth hole in the support plate below falling liquid film stringing region, in the multiple heat exchanger tube
Further include across the heat exchanger tube of fourth hole, to form full liquid stringing region.
Optionally, further include connecting component, the support plate at least two and be connected by the connecting component.
Optionally, the connecting component is fixedly connected or detachably connected with the support plate.
Optionally, the connecting component be steady brace and be inserted into the connecting hole of the support plate and with it is described
Support plate is welded or is pasted.
Optionally, the drainage component is fixedly connected or detachably connected with the support plate.
Optionally, the drainage component be inserted into the third through-hole of the support plate and with the support plate
Welding is pasted.
The present invention provides a kind of electric equipment products, including above-mentioned downward film evaporator.
Optionally, the electric equipment products are air-conditioning.
In technical solution provided by the invention, by adding drainage component between upper heat exchanger tube and lower heat exchanger tube, to
The refrigerant for being attached to upper heat exchanger tube is drained to lower heat exchanger tube, effectively prevent drop refrigerant during dropping to lower heat exchanger tube
The problem of caused fluid spills, and the drop refrigerant of existing evaporator is easy the process on dropping to lower row's heat exchanger tube
In, tiny drop is splash, tiny drop can be brought by gaseous coolant in refrigeration system compressor, and band liquid, Jin Erying are formed
Ring the performance of compressor and service life, downward film evaporator of the invention, between upper heat exchanger tube and lower heat exchanger tube in refrigeration system
Drainage component is added, to which the refrigerant for being attached to heat exchanger tube is drained to lower heat exchanger tube, drop refrigerant is effectively prevent to drip
To the problem of caused fluid spills, preventing from interfering to improve service life to evaporator during lower heat exchanger tube.
In the preferred embodiment of the present invention, the support plate of each heat exchanger tube and drainage component is supported by being arranged so that drop
The heat exchanger tube and drainage component of kestner long-tube evaporator are laid more firm, and service life is longer.
In the preferred embodiment of the present invention, the gap between the first through hole adjacent with upper part of the upper surface of third through-hole
Gap L 3 between the second adjacent with its underpart equal to the lower face of third through-hole L2 through-hole, i.e. L2 and L3 are consistent, from
And make distribution situation of the liquid film transmitted on heat exchanger tube consistent, it can effectively avoid the problem that liquid film is unevenly distributed.
In the preferred embodiment of the present invention, the gap between the first through hole adjacent with upper part of the upper surface of third through-hole
L2 is between 0.1mm-5mm, so that liquid film is transferred to lower heat exchanger tube by drainage piece from upper heat exchanger tube, to effectively
It avoids aggregation from dripping, prevents fluid spills from interfering to improve service life to evaporator.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the primary structure composition schematic diagram of downward film evaporator in the embodiment of the present invention；
Fig. 2 is the inner side structural schematic diagram of Fig. 1；
Fig. 3 is downward film evaporator internal structure schematic diagram in the embodiment of the present invention；
Fig. 4 is the side structure schematic diagram of Fig. 1；
Fig. 5 is downward film evaporator three-dimensional assembling schematic diagram in the embodiment of the present invention；
Fig. 6 is enlarged diagram at A in Fig. 3；
Fig. 7 is enlarged diagram at B in Fig. 4；
Fig. 8 is a types third through-hole structural schematic diagram in the embodiment of the present invention；
Fig. 9 is b types third through-hole structural schematic diagram in the embodiment of the present invention；
Figure 10 is c types third through-hole structural schematic diagram in the embodiment of the present invention；
Figure 11 is drainage component assembly magnification diagram in the embodiment of the present invention；
Figure 12 is drainage component structural schematic diagram in the embodiment of the present invention.
In figure：1, drainage component；2, support plate；3, first through hole；4, the second through-hole；5, third through-hole；6, fourth hole；
7, falling liquid film feed liquor component；8, falling liquid film stringing region；9, full liquid stringing region；10, connecting component；11, connecting hole.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of downward film evaporators, as shown in Fig. 1-Figure 12, including multiple heat exchanger tubes, multiple heat exchanger tubes
In include at least heat exchanger tube and the lower heat exchanger tube that is relatively arranged below heat exchanger tube on one group, upper heat exchanger tube and lower heat exchanger tube it
Between be equipped with for the refrigerant for being attached to heat exchanger tube to be drained to the drainage component 1 of lower heat exchanger tube.Falling film type provided by the invention
Evaporator between upper heat exchanger tube and lower heat exchanger tube by adding drainage component, to be attached to the refrigerant drainage of heat exchanger tube
It to lower heat exchanger tube, effectively prevent drop refrigerant during dropping to lower heat exchanger tube the problem of caused fluid spills, and shows
The drop refrigerant of some evaporators is easy during dropping on lower row's heat exchanger tube, to splash tiny drop, tiny liquid
Drop can be brought into refrigeration system compressor by gaseous coolant, formed band liquid, and then influence refrigeration system in compressor performance and
Service life, downward film evaporator of the invention add drainage component between upper heat exchanger tube and lower heat exchanger tube, to be attached to
The refrigerant of heat exchanger tube is drained to lower heat exchanger tube, effectively prevent drop refrigerant caused drop during dropping to lower heat exchanger tube
The problem of splashing, prevents from interfering to improve service life to evaporator.
It should be noted that downward film evaporator, also referred to as spray-type evaporator, the refrigeration of this heat exchanger evaporator
Agent is from the spray to heat exchanger tube of the top of heat exchanger, and refrigerant only forms a thin layer of cryogen liquid film on heat exchanger tube,
That is, feed liquid is added from the top of evaporator, decline under the effect of gravity along tube wall film-like, and evaporation increases in the process
It is dense, obtain concentrate in its bottom.In order to improve heat exchange efficiency, downward film evaporator is provided with multigroup heat exchanger tube, to exchange heat
Efficiency obtains larger raising wherein, heat exchanger tube and the lower heat exchanger tube being relatively arranged below heat exchanger tube on one group.Actual
In downward film evaporator, upper row's heat exchanger tube and lower row's heat exchanger tube are in staggered distribution in fact, that is, below first row heat exchanger tube face
Heat exchanger tube be really third row's heat exchanger tube, the heat exchanger tube immediately below second row heat exchanger tube is really the 4th row's heat exchanger tube, drainage
It is above configured between heat exchanger tube and the lower heat exchanger tube being disposed below when the installation position of component.
In order to improve the stability of assembly, optionally embodiment, in specific embodiments of the present invention, including extremely
A few support plate 2, support plate 2 are used to support each heat exchanger tube and drainage component 1, support each heat exchanger tube by being arranged and draw
The support plate of stream unit, it should be noted that each heat exchanger tube and drainage component can pass through support plate and connect with support plate
Fixation is connect, obtains the heat exchanger tube of downward film evaporator and more consolidating for drainage component laying, service life is longer.
Optionally embodiment, in specific embodiments of the present invention, support plate 2 offers supplies upper heat exchanger tube respectively
The third through-hole 5 that the second through-hole 4, the drainage component 1 that the first through hole 3 that passes through, lower heat exchanger tube pass through pass through.So set, will
Upper heat exchanger tube is passed through from first through hole 3, lower heat exchanger tube is passed through from the second through-hole 4, by drainage component from third through-hole 4
It passes through, so that support plate, by each heat exchanger tube and drainage piece firm supporting, stability obtains larger raising, is attached to heat exchange
The refrigerant of pipe can be drained to lower heat exchanger tube by drainage component, effectively prevent drop refrigerant in the process for dropping to lower heat exchanger tube
In caused fluid spills the problem of.
It should be noted that：Including following three kinds of frame modes：A types structure, b types structure and c type structures, but do not limit to
There are following three kinds, can also be other structures type.
Optionally embodiment, in specific embodiments of the present invention, for a type structures：Third through-hole 5 with thereon
The adjacent first through hole 3 in portion is connected to, i.e., the lower part of first through hole 3 is connected to the top of third through-hole below, structure tool
While having much good drainage effect, also there is preferable support effect.
For b type structures：The first through hole 3 adjacent with upper part of third through-hole 5 and adjacent with its underpart second logical
Hole 4 is connected to, and the structure is poor relative to the support effect of a type structures.
For c type structures：The first through hole 3 adjacent with upper part of third through-hole 5 and adjacent with its underpart second logical
Hole 4 is not connected to, although the structure has preferable support effect, for a types structure and b type structures, and drainage
Effect is general.
Optionally embodiment, in specific embodiments of the present invention, drainage component 1 is drainage piece.
In specific embodiments of the present invention, drainage piece is elongate configuration, and the length direction of drainage piece and heat exchanger tube
Length direction is consistent, thus, it is possible to will preferably the refrigerant for being attached to upper heat exchanger tube be drained to lower heat exchanger tube, effectively prevent liquid
Drop refrigerant the problem of caused fluid spills, prevents from interfering to carry to evaporator during dropping to lower heat exchanger tube
High service life.
In order to further increase support effect, in specific embodiments of the present invention, support plate 2 is included at least and is supported respectively
End support plate at the both ends of heat exchanger tube.
In specific embodiments of the present invention, the length of the drainage component 1 after assembly should be more than two end support plates
The distance between, that is, the length of drainage component 1 is l, and the length of 1 projecting end support plate of drainage component is L1, and 0≤L1≤
100mm, the control of the structure and distance so that the drainage component structure after assembly is more stablized, and interior guarantor in a limited space
Heat transfer effect is demonstrate,proved.
For the drainage piece of elongate configuration, the width of drainage piece is w, and 0.1mm≤w≤10mm, it should be noted that is drawn
The length of flow is the size in the direction consistent with heat exchanger tube length direction, and the width of drainage piece is thickness, drainage piece
Height is size of the upper heat exchanger tube to the distance between its adjacent lower heat exchanger tube length direction.
In order to ensure optimal drainage effect, in specific embodiments of the present invention, the width w of drainage component 1 is in 1mm-
Between 3mm.
In order to improve the assembly effect of drainage piece, in specific embodiments of the present invention, third through-hole 5 is rectangular through-hole,
The cross section of drainage component 1 is rectangle, is above-mentioned signified with the plane that drainage component passes through the direction of third through-hole perpendicular
The cross section of drainage component, the cross section are rectangular configuration, the assembly of the width w of drainage component 1 and the width L4 of third through-hole 5
Gap width has preferably verticality, drainage effect between 0.1mm-3mm, to further ensure the drainage piece after assembly
It is more excellent.
Optionally embodiment, in specific embodiments of the present invention, the height h of drainage piece should be according to adjacent upper and lower
Diameter, drainage piece upper surface and the heat exchange ligament of pitch-row, third through-hole 5 between first through hole 3 and the second through-hole 4 drain
Piece lower face calculates gained with heat exchanger tube gap.Specifically, first through hole 3, the second through-hole 4 are circular hole and a diameter of D, first
Pitch-row between second through-hole 4 adjacent with its underpart of through-hole 3 is H, the upper surface of third through-hole 5 it is adjacent with upper part first
Gap between through-hole 3 is L2, and the gap between second through-hole 4 adjacent with its underpart of the lower face of third through-hole 5 is L3, is drawn
The height h=H-D-L2-L3 of stream unit 2 can ensure preferably to assemble effect.
In order to ensure that distribution situation of the liquid film transmitted in drainage process on heat exchanger tube is consistent, third through-hole 5
The lower face that gap L 2 between the first through hole 3 adjacent with upper part of upper surface is equal to third through-hole 5 is adjacent with its underpart
Gap L 3 between second through-hole 4, i.e. L2=L3.
Assemble and drip to make liquid film be transmitted by drainage piece, L2, L3 value preferably should be not greater than thickness of liquid film, that is,
In specific embodiments of the present invention, the gap L 2 between the first through hole 3 adjacent with upper part of the upper surface of third through-hole 5 exists
Between 0.1mm-5mm.
In order to ensure that all liquid films can be transmitted by drainage piece to avoid the appearance of drip phenomenon, in the present invention
Specific embodiment in, further include the falling liquid film feed liquor component 7 being set to above heat exchanger tube, and the length of falling liquid film feed liquor component 7 is small
In or equal to heat exchanger tube length, the refrigerant to be attached to upper heat exchanger tube can be drained to lower heat exchange by drainage component
Pipe, effectively prevent drop refrigerant during dropping to lower heat exchanger tube the problem of caused fluid spills.
It should be noted that falling liquid film feed liquor component is in existing downward film evaporator, for that will come from inlet
Refrigerant evenly distribute to form the device of liquid film, having the characteristics that liquid separation is uniform on the first row heat exchanger tube of lower section, can
To be interpreted as existing liquid separation disk or other similar devices.
In order to improve heat transfer effect, multiple heat exchanger tubes include multigroup upper heat exchanger tube and lower heat exchanger tube, to form falling liquid film cloth
Area under control domain 8, that is, including more heat exchanger tubes, the first heat exchanger tube, the second heat exchanger tube and third heat exchanger tube etc., the second heat exchanger tube position
Below the first heat exchanger tube, third heat exchanger tube is located at below the second heat exchanger tube, thus, it is possible to which the first heat exchanger tube is referred to as upper heat exchange
Pipe, the second heat exchanger tube are lower heat exchanger tube, can also the second heat exchanger tube be referred to as upper heat exchanger tube, third heat exchanger tube be lower heat exchanger tube, it is attached
The refrigerant in upper heat exchanger tube can be drained to lower heat exchanger tube by drainage component, and the region which is passed through is formed
Falling liquid film stringing region.In specific embodiments of the present invention, the 4th is further opened in the support plate 2 of 8 lower section of falling liquid film stringing region
Through-hole 6, further include in multiple heat exchanger tubes across the heat exchanger tube of fourth hole 6, to form full liquid stringing region 9, i.e., ought be attached to
The refrigerant of upper heat exchanger tube can be drained to lower heat exchanger tube by drainage component and finally in downward film evaporator congregate, energy
Enough further fully heat exchange.
Further include connecting component 8 to further increase support effect, support plate 2 at least two and passes through interconnecting piece
Part 10 is connected, support plate and connecting component collective effect, can be by the firm connection of heat exchanger tube and drainage component, to carry out
Heat exchange.
Optionally embodiment, in specific embodiments of the present invention, connecting component 10 is fixedly connected with support plate 2
Or it is detachably connected, can be easy to disassemble for detachably connected mode, to be convenient for changing and repair, specifically such as
In specific embodiments of the present invention, in order to improve the stability of connection, connecting component 10 is steady brace and is inserted into branch
It welds or pastes in the connecting hole 11 of fagging 2 and with support plate 2.
Optionally embodiment, in specific embodiments of the present invention, drainage component 1 is fixedly connected with support plate 2
Or it is detachably connected, can be easy to disassemble for detachably connected mode, to be convenient for changing and repair, specifically such as
In specific embodiments of the present invention, in order to improve the stability of connection, drainage component 1 is inserted into the third through-hole of support plate
It welds or pastes in 5 and with support plate 2.
The invention also includes a kind of electric equipment products, including above-mentioned downward film evaporator, can will be attached to heat exchanger tube
Refrigerant lower heat exchanger tube is drained to by drainage component, effectively prevent drop refrigerant to cause during dropping to lower heat exchanger tube
Fluid spills the problem of.
In specific embodiments of the present invention, electric equipment products are air-conditioning.
It should be noted that the structure for the drainage component that the present invention studies is not limited in volume specific embodiment of the present invention
Structure, can also be other structures with drainage, drainage component, the number of heat exchanger tube, distributing position are bases
Actual use demand carries out suitable quantity selection, it is not limited to specific embodiments of the present invention, it can be according to actually making
It is adaptively adjusted with installation requirements.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (25)
- Included at least 1. a kind of downward film evaporator, including multiple heat exchanger tubes, in the multiple heat exchanger tube on one group heat exchanger tube and The lower heat exchanger tube being relatively arranged below the upper heat exchanger tube, which is characterized in that the upper heat exchanger tube and the lower heat exchanger tube it Between be equipped with for the refrigerant for being attached to the upper heat exchanger tube to be drained to the drainage component (1) of the lower heat exchanger tube.
- 2. downward film evaporator according to claim 1, which is characterized in that including it is at least one be used to support it is each described The support plate (2) of heat exchanger tube and the drainage component (1).
- 3. downward film evaporator according to claim 2, which is characterized in that the support plate (2) offers respectively for institute The second through-hole (4), the drainage component (1) that the first through hole (3), the lower heat exchanger tube that heat exchanger tube passes through pass through is stated to pass through Third through-hole (5).
- 4. downward film evaporator according to claim 3, which is characterized in that the third through-hole (5) is adjacent with upper part The first through hole (3) connection.
- 5. downward film evaporator according to claim 3, which is characterized in that the third through-hole (5) is adjacent with upper part The first through hole (3) and second through-hole (4) adjacent with its underpart be connected to.
- 6. downward film evaporator according to claim 3, which is characterized in that the third through-hole (5) is adjacent with upper part The first through hole (3) and second through-hole (4) adjacent with its underpart be not connected to.
- 7. according to the downward film evaporator described in any one of claim 1-6, which is characterized in that the drainage component (1) is Drainage piece.
- 8. downward film evaporator according to claim 7, which is characterized in that the drainage piece is elongate configuration, and described The length direction of drainage piece is consistent with the length direction of the heat exchanger tube.
- 9. downward film evaporator according to claim 3, which is characterized in that the support plate (2) includes at least and props up respectively Support the end support plate at the both ends of the heat exchanger tube.
- 10. downward film evaporator according to claim 9, which is characterized in that drainage component (1) the projecting end support The length of plate is L1, and 0≤L1≤100mm.
- 11. downward film evaporator according to claim 8, which is characterized in that the width of the drainage piece is w, and 0.1mm ≤w≤10mm。
- 12. downward film evaporator according to claim 11, which is characterized in that the width w of the drainage component (1) exists Between 1mm-3mm.
- 13. downward film evaporator according to claim 3, which is characterized in that the third through-hole (5) is rectangular through-hole, The cross section of the drainage component (1) is rectangle, the width L4 of the width w and the third through-hole (5) of the drainage component (1) Fit-up gap value between 0.1mm-3mm.
- 14. downward film evaporator according to claim 6, which is characterized in that the first through hole (3), described second are led to Hole (4) is circular hole and a diameter of D, the pitch-row between the first through hole (3) second through-hole (4) adjacent with its underpart For H, the gap between the first through hole (3) adjacent with upper part of the upper surface of the third through-hole (5) is L2, described the Gap between the lower faces of three through-holes (5), second through-hole (4) adjacent with its underpart is L3, the drainage component (2) Height h=H-D-L2-L3.
- 15. downward film evaporator according to claim 14, which is characterized in that the upper surface of the third through-hole (5) with Gap L 2 between the adjacent first through hole (3) of upper part is equal to lower face and its underpart phase of the third through-hole (5) Gap L 3 between adjacent second through-hole (4).
- 16. downward film evaporator according to claim 15, which is characterized in that the upper surface of the third through-hole (5) with Gap L 2 between the adjacent first through hole (3) of upper part is between 0.1mm-5mm.
- 17. downward film evaporator according to claim 7, which is characterized in that further include being set to above the heat exchanger tube Falling liquid film feed liquor component (7), and the length of the falling liquid film feed liquor component (7) be less than or equal to the heat exchanger tube length.
- 18. downward film evaporator according to claim 2, which is characterized in that the multiple heat exchanger tube includes multigroup institute State heat exchanger tube and the lower heat exchanger tube, to form falling liquid film stringing region (8), it is described below falling liquid film stringing region (8) Fourth hole (6) is further opened in support plate (2), further include in the multiple heat exchanger tube across fourth hole (6) heat exchanger tube, To form full liquid stringing region (9).
- 19. downward film evaporator according to claim 2, which is characterized in that further include connecting component (8), the support Plate (2) at least two and it is connected by the connecting component (10).
- 20. downward film evaporator according to claim 19, which is characterized in that the connecting component (10) and the support Plate (2) is fixedly connected or detachably connected.
- 21. downward film evaporator according to claim 20, which is characterized in that the connecting component (10) is steady brace And it is inserted into the connecting hole of the support plate (2) (11) and welds or paste with the support plate (2).
- 22. downward film evaporator according to claim 3, which is characterized in that the drainage component (1) and the support plate (2) it is fixedly connected or detachably connected.
- 23. downward film evaporator according to claim 22, which is characterized in that the drainage component (1) be inserted into It welds or pastes in the third through-hole (5) of the support plate (2) and with the support plate (2).
- 24. a kind of electric equipment products, which is characterized in that include the downward film evaporator as described in any one of claim 1-23.
- 25. according to electric equipment products described in claim 24, which is characterized in that the electric equipment products are air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697711.7A CN108679886A (en) | 2018-06-29 | 2018-06-29 | Falling film evaporator and electric appliance product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697711.7A CN108679886A (en) | 2018-06-29 | 2018-06-29 | Falling film evaporator and electric appliance product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679886A true CN108679886A (en) | 2018-10-19 |
Family
ID=63812541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697711.7A Pending CN108679886A (en) | 2018-06-29 | 2018-06-29 | Falling film evaporator and electric appliance product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966809A (en) * | 2019-12-20 | 2020-04-07 | 重庆美的通用制冷设备有限公司 | Heat exchange device and air conditioning equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204648763U (en) * | 2015-05-15 | 2015-09-16 | 山东格瑞德集团有限公司 | Cooling air conditioner falling film evaporator |
| US20170138652A1 (en) * | 2014-07-01 | 2017-05-18 | Daikin Industries, Ltd. | Falling film evaporator |
| CN107966063A (en) * | 2017-12-07 | 2018-04-27 | 东华大学 | A kind of semiellipse Falling film heat transfer pipe of the uniform distributing fin of band |
| CN208652987U (en) * | 2018-06-29 | 2019-03-26 | 珠海格力电器股份有限公司 | Falling film evaporator and electric appliance product |
-
2018
- 2018-06-29 CN CN201810697711.7A patent/CN108679886A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170138652A1 (en) * | 2014-07-01 | 2017-05-18 | Daikin Industries, Ltd. | Falling film evaporator |
| CN204648763U (en) * | 2015-05-15 | 2015-09-16 | 山东格瑞德集团有限公司 | Cooling air conditioner falling film evaporator |
| CN107966063A (en) * | 2017-12-07 | 2018-04-27 | 东华大学 | A kind of semiellipse Falling film heat transfer pipe of the uniform distributing fin of band |
| CN208652987U (en) * | 2018-06-29 | 2019-03-26 | 珠海格力电器股份有限公司 | Falling film evaporator and electric appliance product |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966809A (en) * | 2019-12-20 | 2020-04-07 | 重庆美的通用制冷设备有限公司 | Heat exchange device and air conditioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208652987U (en) | Falling film evaporator and electric appliance product | |
| JP3269634B2 (en) | Liquid distribution device, falling film heat exchanger, and absorption refrigerator | |
| US20080149311A1 (en) | Spray type heat exchange device | |
| US10222105B2 (en) | Refrigerant distributor for falling film evaporator | |
| CN101943539A (en) | Collecting pipe structure for heat exchanger | |
| CN106512454A (en) | Tube shell type falling-film evaporator and water chilling unit | |
| CN108679886A (en) | Falling film evaporator and electric appliance product | |
| WO2023082700A1 (en) | Heat exchanger and air conditioning unit | |
| CN102252468B (en) | Refrigerant distributor of falling film evaporator | |
| JP2011027296A (en) | Liquid distributor, shell-type heat exchanger using this, and absorption refrigerator using these | |
| WO2020019636A1 (en) | Evaporator and air conditioning unit | |
| CN104214995A (en) | Immersed film type heat exchanger | |
| CN202158699U (en) | Refrigerating fluid distributor of falling film evaporator | |
| CN206449940U (en) | Falling-film heat exchanger | |
| CN202928212U (en) | Full falling-film evaporator and water chilling unit | |
| CN205965066U (en) | Industry hydrogen peroxide solution concentration unit falling film evaporation ware circulation fluid distributor | |
| CN204880893U (en) | Filler formula falling liquid film uniform distribution ware | |
| CN208031943U (en) | A kind of porous liquid distributor of falling film evaporator | |
| CN215063028U (en) | Distributor and falling film evaporator comprising same | |
| CN113739622A (en) | Liquid distributor used in falling film heat exchanger | |
| CN102661638B (en) | Refrigerant distributor of falling film evaporator for water chilling unit | |
| KR100331985B1 (en) | Liquid distributor, falling film heat exchanger and absorption refrigerator | |
| JP2000241044A (en) | Absorption refrigerating machine | |
| CN206073776U (en) | Integrated thermal heat exchange of heat pipe | |
| CN205957544U (en) | Falling film evaporator and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |