CN208536450U - Nozzle, liquid distributor and evaporator - Google Patents
Nozzle, liquid distributor and evaporator Download PDFInfo
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- CN208536450U CN208536450U CN201820881846.4U CN201820881846U CN208536450U CN 208536450 U CN208536450 U CN 208536450U CN 201820881846 U CN201820881846 U CN 201820881846U CN 208536450 U CN208536450 U CN 208536450U
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- spray
- nozzle
- heat exchanger
- evaporator
- liquid distributor
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Abstract
The utility model provides a kind of nozzle, liquid distributor and evaporator, including ontology and spray channels, spray groove is formed on the surface of the ontology, the first side of the prominent ontology of the entrance of the spray channels, outlet is connected to the spray groove.Nozzle, liquid distributor and evaporator provided by the utility model, by the way that spray groove is arranged on nozzle, spray range can be defined using spray groove, guarantee the spraying effect of nozzle, gas-fluid two-phase mixture can be buffered by the way that cabinet is arranged, it stores mixture in liquid storage space and forms refrigerant liquid, the further spraying effect for reinforcing nozzle, by the way that spray hole and heat exchanger tube are correspondingly arranged, the cooling medium liquid body that can guarantee that nozzle sprays out can act on heat exchanger tube completely, and then increase heat exchange efficiency.
Description
Technical field
The utility model relates to airhandling equipment technical field, especially a kind of nozzle, liquid distributor and evaporator.
Background technique
Downward film evaporator is divided into dripping type and fountain, structure mainly by refrigerant inlet, liquid distributor, heat exchanger tube,
The composition such as oil return system, steam gas outlet.Its heat transfer process mainly utilizes liquid distributor uniformly to divide the refrigerant from inlet
It is assigned on heat exchanger tube and forms thin film, refrigerant liquid film comes into full contact with concurrent heat amount with heat exchange pipe surface and exchanges and evaporate, not
The refrigerant of evaporation drops to base of evaporator along heat exchanger tube and forms submergence area, and the gas for evaporating conversion is flowed out from gas outlet, real
Now vaporization conversion, however what is entered from inlet is gas-fluid two-phase mixture, and the range of spray and effect can be made to be unable to control,
In turn result in the low problem of heat exchange efficiency.
Utility model content
In order to solve the above-mentioned technical problem, a kind of nozzle, liquid distributor and evaporator increasing heat exchange efficiency is provided.
A kind of nozzle, including ontology, the ontology have spray channels, it is recessed that spray are formed on the surface of the ontology
Slot, the outlet of the spray channels are connected to the spray groove.
Further, the spray groove is V-shaped groove.
Further, the angular range of the angle a of the V-shaped groove is 30 ° -120 °.
Further, the spray channels include the liquid input section, changeover portion and spray section being sequentially communicated, and the liquid input section is remote
One end from the changeover portion forms the entrance of the spray channels, and the spray section forms institute far from one end of the changeover portion
State outlet.
Further, the diameter of the changeover portion connects the one of the spray section by one end direction for connecting the liquid input section
End is gradually reduced.
Further, the tapered structure of the vertical sectional shape of the changeover portion, the angle of the apex angle b of the pyramidal structure is not
Less than the angle of the angle a of the V-arrangement.
Further, the cross section of the spray section be circle, and the size range of the circular diameter d be no more than
2mm。
Further, the peripheral side of the ontology is provided with connection structure.
A kind of liquid distributor, including at least one above-mentioned nozzle.
Further, the liquid distributor further includes cabinet, and liquid storage space and the liquid storage space are formed in the cabinet
The inlet of connection and at least one spray hole being connected to the liquid storage space, the nozzle and the spray hole one are a pair of
It answers.
Further, the cabinet includes the first plane and the second plane being oppositely arranged, and the inlet is set to institute
It states in the first plane, all spray holes are uniformly distributed in second plane.
Further, rectangular area is formed in second plane, all spray holes are in the rectangular area
Form at least two rows of spray hole rows.
Further, summation of the area of the inlet not less than the cross-sectional area of the spray section of all nozzles.
Further, the cabinet is made of steel plate welding, and the thickness range of the steel plate is not less than 6mm.
A kind of evaporator, including above-mentioned nozzle or above-mentioned liquid distributor.
Further, the evaporator includes shell and more heat exchanger tubes for being set to the enclosure interior, the cloth liquid
Device is set to the enclosure interior, and the liquid distributor is in the top of all heat exchanger tubes.
Further, all heat exchanger tubes are divided into multiple heat exchange tube layer along the vertical direction, and described in the top
There is the first spacing between the tube layer that exchanges heat and second plane.
Further, the angle a of first spacing and the V-arrangement is in inverse ratio.
Further, the heat exchanger tube in the heat exchange tube layer in the top and spray hole row correspond.
Further, the circle center line connecting of all spray holes in each spray hole row and the corresponding heat exchange
The axis of pipe is in same perpendicular.
Further, all heat exchanger tubes are divided into multiple heat exchanger tube column, and the phase of same heat exchanger tube column in the horizontal direction
Spacing between adjacent two heat exchanger tubes is less than the spacing between adjacent two spray hole in each spray hole row.
Further, gas outlet is additionally provided on the shell.
Further, the evaporator further includes support plate, and all heat exchanger tubes are set by support plate fixation
It is placed in the enclosure interior.
Nozzle, liquid distributor and evaporator provided by the utility model can be utilized by the way that spray groove is arranged on nozzle
Spray groove is defined spray range, guarantees the spraying effect of nozzle, can be mixed to gas-liquid two-phase by the way that cabinet is arranged
Object is buffered, and is stored mixture in liquid storage space and is formed refrigerant liquid, the further spraying effect for reinforcing nozzle,
By the way that spray hole and heat exchanger tube to be correspondingly arranged, the cooling medium liquid body that can guarantee that nozzle sprays out can act on heat exchanger tube completely
On, and then increase heat exchange efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the nozzle of nozzle provided by the utility model, liquid distributor and evaporator；
Fig. 2 is the structural schematic diagram of the embodiment of the liquid distributor of nozzle provided by the utility model, liquid distributor and evaporator；
Fig. 3 is the embodiment of the second plane of the liquid distributor of nozzle provided by the utility model, liquid distributor and evaporator
Structural schematic diagram；
Fig. 4 is the structural schematic diagram of the embodiment of the evaporator of nozzle provided by the utility model, liquid distributor and evaporator；
Fig. 5 is the sectional view of the embodiment of the evaporator of nozzle provided by the utility model, liquid distributor and evaporator；
Fig. 6 provides cross-sectional view at the A of Fig. 4 for the utility model；
In figure:
1, ontology；2, spray channels；3, groove is sprayed；21, liquid input section；22, changeover portion；23, spray section；24, entrance；
25, it exports；4, cabinet；41, liquid storage space；42, inlet；43, spray hole；44, the first plane；45, the second plane；5, shell
Body；6, heat exchanger tube；51, gas outlet；7, support plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only used for explaining this
Utility model is not used to limit the utility model.
The embodiment of nozzle as shown in Figures 1 to 6, including ontology 1, the ontology 1 have spray channels 2, described
Spray groove 3 is formed on the surface of body 1, the outlet 25 of the spray channels 2 is connected to the spray groove 3, utilizes spray
Groove 3 is defined the spray range of spray channels 2, and the cooling medium liquid body for guaranteeing that spray channels 2 spray out can act on completely
It exchanges heat in corresponding structure.
Further, the spray groove 3 is V-shaped groove, guarantees that spray channels 2 limit under conditions of uniformly spray around
Determine the spray range of spray channels 2.
Further, the angular range of the angle a of the V-shaped groove is 30 ° -120 °.
Further, the spray channels 2 include liquid input section 21, changeover portion 22 and the spray section 23 being sequentially communicated, described
Liquid input section 21 forms the entrance 24 far from one end of the changeover portion 22, the spray section 23 far from the changeover portion 22 one
End forms the outlet 25, and liquid refrigerants enters liquid input section 21 by 21 entrance 24 of liquid input section, and flow to transition by liquid input section 21
The flow area of refrigerant, is gradually reduced by section 22 using changeover portion 22, increases the flow velocity of liquid refrigerants, and then increases spray pressure
Power, and be finally sprayed out by spray section 23, complete spray process.
Further, the diameter of the changeover portion 22 connects the spray section by one end direction for connecting the liquid input section 21
23 one end is gradually reduced, namely is gradually increased to the flow velocity of liquid refrigerants, prevents liquid refrigerants from generating turbulent flow in changeover portion 22
Phenomena such as.
Further, the tapered structure of vertical sectional shape of the changeover portion 22, the angle of the apex angle b of the pyramidal structure
Not less than the angle of the angle a of the V-arrangement.
Further, the cross section of the spray section 23 is circle, and the size range of the circular diameter d is little
In 2mm, preferably 1mm.
Further, the peripheral side of the ontology 1 is provided with connection structure, it is preferred that the connection structure is external screw thread.
The embodiment of a kind of liquid distributor as shown in Figures 2 and 3, including at least one above-mentioned nozzle.
Further, the liquid distributor further includes cabinet 4, and liquid storage space 41 and the liquid storage are formed in the cabinet 4
The inlet 42 and at least one spray hole 43 being connected to the liquid storage space 41, the nozzle and the spray that space 41 is connected to
Fluid apertures 43 corresponds, and gas-fluid two-phase mixture is entered in liquid storage space 41 by inlet 42 to be stored, and in liquid storage space
When mixture in 41 reaches certain pressure, liquid storage space 41 is sprayed out by the nozzle being arranged on spray hole 43, and spray
Pressure no longer increases in cabinet 4 in the process, reaches and stablizes so as to cause the state that refrigerant flows out from 5 spray nozzles.
Further, the cabinet 4 includes the first plane 44 and the second plane 45 being oppositely arranged, and the inlet 42 is set
It is placed in first plane 44, all spray holes 43 are uniformly distributed in second plane 45, and described first flat
Face 44 is in the top of second plane 45.
Further, rectangular area is formed in second plane 45, all spray holes 43 are in the rectangle region
At least two rows of spray hole rows are formed in domain, it may also be said to which adjacent four spray holes 43 surround rectangular configuration jointly, and finally own
The spray hole 43 is evenly distributed in a rectangular area.
Further, the area of the inlet 42 is total not less than the cross-sectional area of the spray section 23 of all nozzles
It is greater than the flow velocity flowed into from 2 inlet tubes, and then guarantee spraying effect with, the mean flow rate for flowing out refrigerant from 5 spray nozzles.
Further, the cabinet 4 is made of steel plate welding, and the thickness range of the steel plate be not less than 6mm,
To guarantee that 4 inner space of cabinet is a well stable pressure-bearing environment, which uses hot rolled steel plate Q345R material, preferably
With 5 same thickness of shell, surrounding is by being fully welded sealing.
The embodiment of a kind of evaporator as shown in Figures 4 to 6, including above-mentioned nozzle or above-mentioned liquid distributor.
Further, the evaporator includes shell 5 and more heat exchanger tubes 6 being set to inside the shell 5, the cloth
Liquid device is set to inside the shell 5, and the liquid distributor is in the top of all heat exchanger tubes 6, so that into liquid distributor
Interior liquid refrigerants can be sprayed on all heat exchanger tubes 6 by nozzle.
Further, all heat exchanger tubes 6 are divided into multiple heat exchange tube layer along the vertical direction, and described in the top
There is the first spacing between the tube layer that exchanges heat and second plane 45, can be reached using the refrigerant that the first spacing guarantees that nozzle sprays
In contact heat-exchanging pipe 6 after to a certain range, making the spray of refrigerant, more evenly spraying effect is more preferable.
Further, the angle a of first spacing and the V-arrangement is in inverse ratio namely nozzle or liquid distributor to heat exchanger tube 6
Between spacing it is smaller, the angle of the angle a of the V-arrangement is bigger, conversely, nozzle or liquid distributor are to the spacing between heat exchanger tube 6
Bigger, the angle of the angle a of the V-arrangement is smaller.
Further, the heat exchanger tube 6 in the heat exchange tube layer in the top and spray hole row correspond, and protect
The heat exchanger tube 6 of card the top can receive spray, increase heat transfer effect.
Further, the circle center line connecting of all spray holes 43 in each spray hole row described is changed with corresponding
The axis of heat pipe 6 is in same perpendicular, the appearance that the refrigerant that guarantee spray hole 43 sprays can uniformly with heat exchanger tube 6
Face carries out contact heat-exchanging.
Further, all heat exchanger tubes 6 are divided into multiple heat exchanger tube column, and the phase of same heat exchanger tube column in the horizontal direction
Between spacing between adjacent two heat exchanger tubes 6 is less than between adjacent two spray hole 43 in each spray hole row
Away from, namely utilize the density of the spacing control spray hole 43 between heat exchanger tube 6.
Further, it is additionally provided with gas outlet 51 on the shell 5, institute is discharged by the gas outlet 51 in the refrigerant after heat exchange
State evaporator.
Further, the evaporator further includes support plate 7, and all heat exchanger tubes 6 are fixed by the support plate 7
It is set to inside the shell 5.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (23)
1. a kind of nozzle, it is characterised in that: including ontology (1), the ontology (1) has spray channels (2), the ontology (1)
Surface on be formed with spray groove (3), the outlet (25) of the spray channels (2) is connected to the spray groove (3).
2. nozzle according to claim 1, it is characterised in that: the spray groove (3) is V-shaped groove.
3. nozzle according to claim 2, it is characterised in that: the angular range of the angle a of the V-shaped groove be 30 °-
120°。
4. nozzle according to claim 3, it is characterised in that: the spray channels (2) include the liquid input section being sequentially communicated
(21), changeover portion (22) and spray section (23), the liquid input section (21) form the spray far from the one end of the changeover portion (22)
The entrance (24) of channel (2) is drenched, the spray section (23) forms the outlet (25) far from the one end of the changeover portion (22).
5. nozzle according to claim 4, it is characterised in that: the diameter of the changeover portion (22) is by connecting the liquid input section
(21) one end is gradually reduced towards the one end for connecting the spray section (23).
6. nozzle according to claim 5, it is characterised in that: the tapered knot of vertical sectional shape of the changeover portion (22)
Structure, the angle of the apex angle b of the pyramidal structure are not less than the angle of the angle a of the V-arrangement.
7. nozzle according to claim 4, it is characterised in that: the cross section of the spray section (23) is circle, and described
The size range of circular diameter d is no more than 2mm.
8. nozzle according to claim 1, it is characterised in that: the peripheral side of the ontology (1) is provided with connection structure.
9. a kind of liquid distributor, it is characterised in that: including at least one nozzle described in any item of the claim 1 to 8.
10. liquid distributor according to claim 9, it is characterised in that: the liquid distributor further includes cabinet (4), the cabinet
(4) in be formed with liquid storage space (41), the inlet (42) being connected to the liquid storage space (41) and with the liquid storage space
(41) at least one spray hole (43) being connected to, the nozzle and the spray hole (43) correspond.
11. liquid distributor according to claim 10, it is characterised in that: the cabinet (4) include be oppositely arranged it is first flat
Face (44) and the second plane (45), the inlet (42) are set on first plane (44), all spray holes
(43) it is uniformly distributed on second plane (45).
12. liquid distributor according to claim 11, it is characterised in that: be formed with rectangle region on second plane (45)
Domain, all spray holes (43) form at least two rows of spray hole rows in the rectangular area.
13. liquid distributor according to claim 10, it is characterised in that: the area of the inlet (42) is not less than all institutes
State the summation of the cross-sectional area of the spray section (23) of nozzle.
14. liquid distributor according to claim 10, it is characterised in that: the cabinet (4) is made of steel plate welding, and described
The thickness range of steel plate is not less than 6mm.
15. a kind of evaporator, it is characterised in that: including nozzle of any of claims 1-8 or claim 9-14
Any one of described in liquid distributor.
16. evaporator according to claim 15, it is characterised in that: the evaporator includes shell (5) and is set to institute
More internal heat exchanger tubes (6) of shell (5) are stated, it is internal that the liquid distributor is set to the shell (5), and the liquid distributor is in
The top of all heat exchanger tubes (6).
17. evaporator according to claim 16, it is characterised in that: all heat exchanger tubes (6) are divided into along the vertical direction
Multiple heat exchange tube layer, and there is the first spacing between the heat exchange tube layer and second plane (45) in the top.
18. evaporator according to claim 17, it is characterised in that: the angle a of first spacing and the V-arrangement is in anti-
Than.
19. evaporator according to claim 17, it is characterised in that: the heat exchange in the heat exchange tube layer in the top
It manages (6) and spray hole row corresponds.
20. evaporator according to claim 19, it is characterised in that: all hydrojets in each spray hole row
The circle center line connecting in hole (43) is in same perpendicular with the axis of the corresponding heat exchanger tube (6).
21. evaporator according to claim 19, it is characterised in that: all heat exchanger tubes (6) are divided into the horizontal direction
Multiple heat exchanger tube column, and the spacing between the two neighboring heat exchanger tube (6) of same heat exchanger tube column is less than each spray hole row
In adjacent two spray hole (43) between spacing.
22. evaporator according to claim 16, it is characterised in that: be additionally provided with gas outlet (51) on the shell (5).
23. evaporator according to claim 16, it is characterised in that: the evaporator further includes support plate (7), Suo Yousuo
It states heat exchanger tube (6) and the shell (5) inside is fixedly installed on by the support plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881846.4U CN208536450U (en) | 2018-06-07 | 2018-06-07 | Nozzle, liquid distributor and evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820881846.4U CN208536450U (en) | 2018-06-07 | 2018-06-07 | Nozzle, liquid distributor and evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208536450U true CN208536450U (en) | 2019-02-22 |
Family
ID=65381534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820881846.4U Active CN208536450U (en) | 2018-06-07 | 2018-06-07 | Nozzle, liquid distributor and evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208536450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571838A (en) * | 2018-06-07 | 2018-09-25 | 珠海格力电器股份有限公司 | Nozzle, liquid distributor and evaporator |
-
2018
- 2018-06-07 CN CN201820881846.4U patent/CN208536450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571838A (en) * | 2018-06-07 | 2018-09-25 | 珠海格力电器股份有限公司 | Nozzle, liquid distributor and evaporator |
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| GR01 | Patent grant |