CN207815788U - Liquid distribution plate structure, evaporator and air conditioner - Google Patents
Liquid distribution plate structure, evaporator and air conditioner Download PDFInfo
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- CN207815788U CN207815788U CN201721780426.9U CN201721780426U CN207815788U CN 207815788 U CN207815788 U CN 207815788U CN 201721780426 U CN201721780426 U CN 201721780426U CN 207815788 U CN207815788 U CN 207815788U
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- 239000007788 liquid Substances 0.000 title claims abstract description 277
- 239000003507 refrigerant Substances 0.000 claims abstract description 100
- 239000002826 coolant Substances 0.000 claims description 19
- 238000001704 evaporation Methods 0.000 abstract description 30
- 238000012546 transfer Methods 0.000 abstract description 9
- 230000008020 evaporation Effects 0.000 description 29
- 230000000694 effects Effects 0.000 description 25
- 239000010408 film Substances 0.000 description 14
- 239000004744 fabric Substances 0.000 description 13
- 230000009471 action Effects 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 239000011552 falling film Substances 0.000 description 8
- 230000004907 flux Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a liquid plate of distributor structure, evaporimeter and air conditioner, liquid plate of distributor structure includes: equal liquid dish (1) is provided with at least one ring shape equal liquid hole group (11) on it, every equal liquid hole group (11) include first centre of a circle (111) and center on a plurality of equal liquid holes (112) that first centre of a circle becomes the ring shape equipartition, every equal liquid hole group of ring shape (11) can correspond with a heat exchange tube (5), in order to be through a plurality of equal liquid hole (112) with liquid distribution extremely in heat exchange tube (5). Through the utility model discloses can guarantee that liquid refrigerant is even distributes to the heat exchange tube in the bunch, the refrigerant is along the flow distribution in each evaporating pipe even, and heat transfer area obtains the optimal utilization, and the heat transfer is effectual, has improved heat exchange efficiency.
Description
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of liquid distributing pan structure, evaporator and air conditioner.
Background technology
The downward film evaporator of existing business air conditioner unit is typically horizontal type structure.Top half is equipped with refrigerant point in shell
Orchestration is equipped with certain regularly arranged evaporation tube in coolant distributor lower part.Tube side medium is refrigerating medium, and shell side medium is cold
Matchmaker.The refrigerant that top half in shell is equipped with coolant distributor is entered from import, is dripped by the aperture on coolant distributor
Onto the evaporation tube wall of lower half portion, refrigerant is dynamic in evaporation tube wall outflow, and forms thin film, heat absorption evaporation.And it is general
Logical vertical falling film evaporator, refrigerant walk shell side, and refrigerating medium walks tube side, are provided with the separating tube and cloth of multilayer inside housings
The combination cloth liquid structure of liquid disk, refrigerant flow to the outer surface of heat exchanger tube, outside heat exchanger tube by the effect of separating tube and cloth liquid disk
Surface heat absorption evaporation.
Above structure common problem is：
1, traditional evaporation structure is limited by coolant distributor, evaporation tube arrangement spacing size structure, and refrigerant is along each
Evaporation tube flow distribution is uneven, and the refrigerant that evaporation tube is poured is insufficient, and heat exchange area cannot get maximum utilization, heat exchange effect
Fruit is poor.
Although 2, being provided with the combination cloth liquid structure of the separating tube and cloth liquid disk of multilayer, such structure is by whole system
The influence that middle cold medium flux, flow velocity fluctuate, refrigerant fail really to be evenly distributed to each heat exchange pipe surface.
3, refrigerant walks shell side, and refrigerating medium walks tube side.The liquid film that middle and upper part point heat exchange pipe surface is formed in shell side is by under
Part is evaporated, and the liquid film of the perturbation action of the gaseous coolant air-flow flowed up, the pipe surface that exchanges heat is destroyed, reduces and change
The thermal efficiency.
Since that there are refrigerants is uneven along each evaporation tube assignment of traffic for evaporator in the prior art, heat exchange area cannot get
Maximum utilization, heat transfer effect are poor；Traditional refrigerant liquid distributor cold medium flux in by whole system, flow velocity fluctuation are influenced, cold
Matchmaker fails really to be evenly distributed to each heat exchange pipe surface, fails effectively to form falling film type evaporation on each heat exchanger tube；
Refrigerant walks the vertical downward film evaporator of shell side, and the liquid film that middle and upper part point heat exchange pipe surface is formed in shell side is by from lower part
The perturbation action of the gaseous coolant air-flow flowed up is evaporated, the liquid film for the pipe surface that exchanges heat is destroyed, and heat exchange efficiency is low etc.
Technical problem, therefore the utility model research and design goes out a kind of liquid distributing pan structure, evaporator and air conditioner.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome evaporator in the prior art, there are refrigerants along each
Evaporation tube assignment of traffic is uneven, and heat exchange area cannot get maximum utilization, the defect of heat transfer effect difference, to provide a kind of liquid
Body distributes dish structure, evaporator and air conditioner.
The utility model provides a kind of liquid distributing pan structure comprising：
Even liquid disc is provided at least one circular ring shape equal liquid hole group, and each equal liquid hole group includes first center of circle
With around first center of circle, at the uniformly distributed multiple equal liquid holes of circular ring shape, each circular ring shape equal liquid hole group can be changed with one
Heat pipe is corresponding, to be distributed liquid into the heat exchanger tube by multiple equal liquid holes.
Preferably,
Multiple equal liquid holes are the equal circular hole of diameter, and the equal liquid hole includes second center of circle, and multiple described equal
Spacing between second center of circle of fluid apertures and first center of circle of the equal liquid hole group is equal.
Preferably,
First center of circle of the circular ring shape equal liquid hole group is located on the central axis of corresponding heat exchanger tube, described in definition
Spacing between second center of circle and first center of circle is the radius d1/2 of the equal liquid hole group, and has the radius of equal liquid hole group
d1/2>The radius of heat exchanger tube.
Preferably,
Diameter d2=1mm~6mmm of the equal liquid hole, the equal liquid hole being distributed in each equal liquid hole group
Quantity n=3~12.
Preferably,
Multiple equal liquid hole groups are uniformly distributed on the even liquid disc.
Preferably,
Further include flinger ring, the flinger ring is set on the upper surface of the even liquid disc, towards far from the even liquid disc
Top extends and forms loop configuration, and the extended height is H.
Preferably,
Further include holder, the holder is set on the lower face of the even liquid disc, towards the lower section far from the even liquid disc
Extend, so that the holder supports out the space that can accommodate liquid flowing in the height direction.
Preferably,
Plane where the bottom end of the holder is spaced between the bottom surface of the even liquid disc at a distance from S1, and the S1
Value range is between 5~25mm.
A kind of evaporator of the utility model comprising heat exchanger tube and preceding any one of them liquid distributing pan structure, it is described
Heat exchanger tube is arranged in a vertical direction, and the liquid distributing pan structure is located at the upper end of the heat exchanger tube.
Preferably,
Multiple heat exchanger tubes are uniformly distributed, and the center spacing between two adjacent heat exchange tubes is equal, and the equal liquid hole
Center interval S 2 between the circle diameter d1 and two heat exchanger tubes of group is equal.
Preferably,
Further include upper tube box and shell, the liquid distributing pan structure is located in the upper tube box, multiple heat exchanger tubes
In the shell, the upper tube box lower end and the shell upper surface connect, and the heat exchanger tube and the distribution plate knot
Structure is also realized in the joint and is connected.
Preferably,
The shell further includes the upper perforated plate being arranged in the connecting position, and the heat exchanger tube is upper through the upper perforated plate
Lower face, and the distribution plate structure setting imports refrigerant in the upper end surface of the upper perforated plate from distribution dish structure
To in the heat exchanger tube.
Preferably,
Further include lower tube box, the lower tube box connects with the lower face of the shell；
Further include that refrigerant inlet is taken over, is set to the top of the upper tube box, with by the cooling medium charging to the distribution
In dish structure；
Further include that refrigerant exit is taken over, is set on the lower tube box, to go out the refrigerant after the completion of heat exchange from the refrigerant
Mouth takes over the discharge lower tube box.
Preferably,
Further include refrigerating medium inlet pipe and heat transferring medium liquid outlet, the refrigerating medium inlet pipe is set to one on the shell
Side, the refrigerating medium outlet pipe are set to the other side on the shell, in the height direction, the refrigerating medium inlet pipe be higher than institute
State refrigerating medium outlet pipe.
Preferably,
It is Di to define the internal diameter that the refrigerant inlet is taken over, and the total quantity of the heat exchanger tube is N, each equal liquid hole group
The quantity of the equal liquid hole of upper distribution is n, a diameter of d2 of each equal liquid hole, and has n=Di2*/(N*d22)。
The utility model also provides a kind of air conditioner comprising preceding any one of them evaporator.
A kind of liquid distributing pan structure, evaporator and air conditioner provided by the utility model have the advantages that：
1. the liquid distributing pan structure, evaporator and air conditioner of the utility model are provided at least by even liquid disc
One circular ring shape equal liquid hole group, each equal liquid hole group include first center of circle and are evenly distributed at circular ring shape around first center of circle
Multiple equal liquid holes, each circular ring shape equal liquid hole group can it is corresponding with a heat exchanger tube, to pass through multiple equal liquid
Hole distributes liquid into the heat exchanger tube, i.e. the regular open-celled structure of liquid distributing pan annular, can ensure that liquid refrigerants is uniform
Be distributed in heat-exchanging tube bundle, refrigerant interior uniform flow distribution along each evaporation tube, heat exchange area obtains optimal utilization, heat exchange
Effect is good, improves heat exchange efficiency；
2. the liquid distributing pan structure, evaporator and air conditioner of the utility model, pass through the gear in liquid distributing pan component
Pendular ring can effectively ensure that the refrigerant into upper tube box is stored in liquid distributing pan top, forms centainly on liquid distributing pan top
Liquid level, avoid the problem that occurring in system cold medium flux, flow velocity fluctuation and affect liquid distributing pan cloth liquid effect；
3. the liquid distributing pan structure, evaporator and air conditioner of the utility model, pass through the vertical falling-film for upper tube box
Formula evaporator liquid distributing pan, it is required that setting refrigerant walks tube side, refrigerating medium walks shell side, and the refrigerant of evaporation is along heat exchanger tube to low
The flowing of side lower tube box is pressed, since direction one is flowed in gaseous coolant flow direction with liquid refrigerants under the effect of gravity in heat exchanger tube
It causes, the perturbation action of gaseous coolant flowing accelerates liquid refrigerants and is being upwardly formed membranaceous stream along heat exchanger tube length side, improves
Heat exchange efficiency.
4, the liquid distributing pan structure, evaporator and air conditioner of the utility model, the liquid designed by evaporator upper tube box
Body distributes dish structure, and the refrigerants of different viscosities is met from cloth liquid by the holder with certain altitude in liquid distributing pan component
Disk is in the minimum constructive height requirement that drop flows down, and increases mixability, improves equal liquid function and effect, improves heat exchange efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the evaporator of the utility model；
Fig. 2 is the three-dimensional structure diagram of the liquid distributing pan structure of the utility model；
Fig. 3 is the positive structure schematic of Fig. 2；
Fig. 4 is the overlooking structure figure of the even liquid disc in the liquid distributing pan structure of Fig. 2；
Fig. 5 is that the structure of the even liquid disc circumferential direction trepanning (matching with heat exchanger tube) on the liquid distributing pan of the utility model is shown
It is intended to；
Fig. 6 is that the liquid distributing pan of the evaporator of the utility model is illustrated with the refrigerant fluidal texture of heat exchanger tube connecting part
Figure.
Reference numeral is expressed as in figure：
1, even liquid disc；11, equal liquid hole group；111, first center of circle；112, equal liquid hole；2, flinger ring；3, holder；4, liquid point
With dish structure；5, heat exchanger tube；6, upper tube box；7, lower tube box；8, shell；91, upper perforated plate；92, lower perforated plate；21, refrigerating medium inlet pipe；
22, refrigerating medium outlet pipe；31, refrigerant inlet is taken over；32, refrigerant exit is taken over；10, leakage fluid dram.
Specific implementation mode
As shown in figures 2-6, the utility model provides a kind of liquid distributing pan structure comprising：
Even liquid disc 1 is provided at least one circular ring shape equal liquid hole group 11, and each equal liquid hole group 11 includes first
The center of circle 111 and around first center of circle at the uniformly distributed multiple equal liquid holes 112 of circular ring shape, multiple equal liquid holes 112 are around the
One center of circle forms the equal liquid hole group 11 of circular ring shape around arrangement, and each circular ring shape equal liquid hole group 11 can be with one
Heat exchanger tube 5 is corresponding, to be distributed liquid into the heat exchanger tube 5 by multiple equal liquid holes 112.
By at least one circular ring shape equal liquid hole group being arranged on even liquid disc, each equal liquid hole group includes the first circle
The heart and around first center of circle at the uniformly distributed multiple equal liquid holes of circular ring shape, each circular ring shape equal liquid hole group can be with one
Heat exchanger tube is corresponding, to be distributed liquid into the heat exchanger tube by multiple equal liquid holes, i.e. liquid distributing pan ring gauge
Then open-celled structure can ensure that liquid refrigerants is evenly dispersed in heat-exchanging tube bundle, refrigerant interior flow distribution along each evaporation tube
Uniformly, heat exchange area obtains optimal utilization, and good effect of heat exchange improves heat exchange efficiency.
Preferably,
Multiple equal liquid holes 112 are the equal circular hole of diameter, and the equal liquid hole 112 includes second center of circle, at one
Spacing in equal liquid hole group, between second center of circle of multiple equal liquid holes 112 and first center of circle of the equal liquid hole group 11 is equal
It is equal.Such structure type enables to spacing of the equal liquid hole between equal-sized circular hole, equal liquid hole and first center of circle
It is equal, it is further to realize annular regular open-celled structure, further in circular cyclic annular circumferential direction to be located at first center of circle
Ensure that liquid refrigerants is evenly dispersed in heat-exchanging tube bundle, improve equal liquid hole is uniformly distributed performance, improves heat exchange efficiency.
Preferably,
First center of circle 111 of the circular ring shape equal liquid hole group 11 is located on the central axis of corresponding heat exchanger tube 5, fixed
Spacing between adopted second center of circle and first center of circle is the radius d1/2 of the equal liquid hole group 11, and has equal liquid hole group
11 radius d1/2>The radius of heat exchanger tube.Equal liquid hole i.e. in the equal liquid hole group is respectively positioned on the radial direction of the peripheral wall of the heat exchanger tube 5
Periphery.The inside by equal liquid hole and heat exchanger tube can be avoided to be correspondingly arranged in this way and prevent the refrigerant flowed out in equal liquid hole direct
It falls into heat exchanger tube and without heat exchanger tube wall, causes flow velocity too fast, falling liquid film effect can not be formed so that heat exchange efficiency reduces；
Therefore by the way that the equal liquid hole in the equal liquid hole group in the utility model to be respectively positioned on to the radial outer periphery of the peripheral wall of the heat exchanger tube 5,
It enables to the refrigerant in equal liquid hole first to flow on upper perforated plate 91, flowed down further along the inner wall of heat exchanger tube, it is made to be formed along inner wall
It is membranaceous, can effectively increase with the heat exchange area outside heat exchanger tube, improve heat exchange efficiency, the flow direction of refrigerant is referring to Fig. 6
It is shown.
It is further preferred that the radius d1/2- equal liquid hole radiuses d2/2 of equal liquid hole group 11>The radius of heat exchanger tube, such energy
It is enough that the radial inside portion of the equal liquid hole on annulus is made to be located at pipe wall of heat exchange pipe radial outside as much as possible, it can be into one
Step ground ensures that the refrigerant in equal liquid hole is flowed down from heat exchanger tube radial outside along heat transfer tube wall, without directly among heat exchanger tube
It directly falls, improves falling liquid film and form degree, improve heat exchange efficiency.
Multiple round equal liquid holes thereon are opened up, multiple equal liquid holes form multiple annular aperture groups, each ring
Shape hole group is arranged into annular shape by multiple equal liquid holes, and multiple equal liquid holes in each annular aperture group are uniformly arranged
Cloth, spacing is equal, and the cyclic annular control group surrounded has the center of circle, the center of circle of each equal liquid hole and the annular aperture group
Spacing between the center of circle is equal, for the radius of annular aperture group, and the radius of the cyclic annular control group is more than the radius of heat exchanger tube.
Liquid distributing pan structure 4 is as shown in attached drawing 2-5.Its structure is made of flinger ring 2, even liquid disc 1, holder 3.Even liquid disc
Circumferentially disposed circular aperture, the i.e. equal liquid hole 112 of rule is provided on 1.The circular aperture rule opened on even liquid disc 1 is circumferentially disposed
Method it is as shown in Fig. 5.Aperture on even liquid disc 1 is specifically arranged on upper perforated plate 91 with heat exchanger tube 5 and is arranged.Equal liquid hole
112 by the heat exchanger tube center of circle centered on forward projection point on even liquid disc, be evenly arranged on the annulus of a diameter of d1.
Preferably,
Diameter d2=1mm~6mmm of the equal liquid hole 112, the equal liquid being distributed in each equal liquid hole group 11
Quantity n=3~12 in hole 112.Equal liquid hole (aperture) diameter d2 size 1mm~6mmm i.e. on even liquid disc 1, in positioning annulus
Circular aperture quantity n=3~12 of regular array on a diameter of d1.This is that the specific diameter of the equal liquid hole of the utility model is big
Small and preferred distribution quantity can maximumlly realize the equal liquid effect to refrigerant, realize refrigerant interior flow point in evaporation tube
Cloth uniformly maximizes effect.
Preferably,
Multiple equal liquid hole groups 11 are uniformly distributed on the even liquid disc 1.Equal liquid hole group can be realized in equal liquid in this way
Being uniformly distributed on disk further increases to realize that the flow and flow rate of the refrigerant between each equal liquid hole group keeps uniform
With the matching degree of heat exchanger tube, the distribution between matched multiple heat exchanger tubes is also to be uniformly distributed, therefore realizing will be equal
Refrigerant in fluid apertures is uniformly distributed in heat exchanger tube, improves heat transfer effect.
Preferably,
Further include flinger ring 2, the flinger ring 2 is set on the upper surface of the even liquid disc 1, towards far from the even liquid disc
1 top extends and forms loop configuration, and the extended height is H.Can have by the flinger ring in liquid distributing pan component
The refrigerant of guarantee into the upper tube box of effect is stored in liquid distributing pan top, and it is high to form certain liquid level on liquid distributing pan top
Degree, avoid the problem that occurring in system cold medium flux, flow velocity fluctuation and affect liquid distributing pan cloth liquid effect.
Liquid refrigerants is entered by 31 nozzle of refrigerant inlet take over, under the action of flinger ring 2, is flowed on even liquid disc 1.Keep off liquid
The design of ring 2 can make the refrigerant into upper tube box 6 be stored in 4 top of liquid distributing pan structure, be formed on liquid distributing pan top
Certain liquid level.Such structure solves liquid distributing pan cloth liquid uniformity by cold medium flux, flow speed wave in system
Dynamic the problem of influencing.
Preferably,
Further include holder 3, the holder 3 is set on the lower face of the even liquid disc 1, towards far from the even liquid disc 1
Lower section extends, so that the holder 3 supports out the space that can accommodate liquid flowing in the height direction.Since liquid distributes
There is the refrigerant that the holder of certain altitude meets different viscosities to be wanted from cloth liquid disk in the minimum constructive height that drop flows down in disk component
It asks, increases mixability, improve equal liquid function and effect, improve heat exchange efficiency.
Preferably,
Plane where the bottom end of the holder 3 is spaced between the bottom surface of the even liquid disc 1 at a distance from S1, and the S1
Value range between 5~25mm.This is the interval S1 preferred distances between the holder of the utility model and even liquid disc bottom surface,
The preferred distance range is the preferred value obtained by a large amount of experimental verification, can refrigerant flow within this space formation compared with
Good mixability also avoids apart from excessive and cause that flow velocity is too fast and influences uniformly mixed situation, improving different viscosities
Mixability between refrigerant.
Even liquid disc 1 is S1 with 3 line space design of holder, and 91 bridge of upper perforated plate is dropped onto in order to ensure that refrigerant drop is good
On, the refrigerant of different viscosities, its spacing S1 sizes are preferably between 5~25mm.By adjusting the design height of holder 3, meet
The minimum constructive height requirement that the refrigerant of different viscosities is flowed down from cloth liquid disk in drop.
As a shown in Figure 6, the utility model also provides a kind of evaporator comprising heat exchanger tube 5 and preceding any one of them
Liquid distributing pan structure 4, the heat exchanger tube 5 are arranged in a vertical direction, and the liquid distributing pan structure 4 is located at the heat exchanger tube 5
Upper end.
By including liquid distributing pan structure above-mentioned, the regular open-celled structure of liquid distributing pan annular can be realized, it can
Ensure that liquid refrigerants is evenly dispersed in heat-exchanging tube bundle, refrigerant interior uniform flow distribution, heat exchange area along each evaporation tube obtain
To optimal utilization, good effect of heat exchange improves heat exchange efficiency.It is uneven along each evaporation tube assignment of traffic to solve refrigerant, changes
Hot area cannot get maximum utilization, the technical problem of heat transfer effect difference；
By the vertical falling film evaporator liquid distributing pan for upper tube box, it is required that setting refrigerant walks tube side, refrigerating
Shell side is walked in agent, and the refrigerant of evaporation is flowed along heat exchanger tube to low-pressure side lower tube box, due to gaseous coolant flow direction in heat exchanger tube
Consistent with the flowing of liquid refrigerants under the effect of gravity direction, the perturbation action of gaseous coolant flowing accelerates liquid refrigerants and is changed on edge
Membranaceous stream is formed on heat pipe length direction, improves heat exchange efficiency.Solve the vertical downward film evaporator that refrigerant walks shell side,
The liquid film that middle and upper part point heat exchange pipe surface is formed in shell side is disturbed by the gaseous coolant air-flow flowed up from lower part evaporation
Action is used, and the liquid film for the pipe surface that exchanges heat is destroyed, the low technical problem of heat exchange efficiency.
Preferably,
Multiple heat exchanger tubes 5 are uniformly distributed, and the center spacing between two adjacent heat exchange tubes is equal, and the equal liquid hole
Center interval S 2 (i.e. bridge spacing) between the circle diameter d1 and two heat exchanger tubes of group is equal.That is even liquid disc aperture rule is circumferential
The positioning circle diameter d1 of arrangement is equal to the bridge interval S 2 on tube sheet.It enables to be uniformly distributed between heat exchanger tube in this way, into
And make the middle position between the annulus distribution of equal liquid hole and adjacent two heat exchanger tube, as shown in figure 5, can improve so
The equal liquid distributed effect of fluid apertures improves heat transfer effect.As shown in figure 5, adjacent equal liquid hole group is tangent and shares one in tangency location
A equal liquid hole.
Preferably,
Further include upper tube box 6 and shell 8, the distribution plate structure is located in the upper tube box 6, multiple heat exchanger tubes 5
In the shell 8,6 lower end of the upper tube box and 8 upper surface of the shell connect, and the heat exchanger tube 5 and the distribution
Disk is also realized in the joint and is connected.This is the further preferred structure type of the evaporator of the utility model, in setting
Bobbin carriage can be used in setting distribution dish structure, setting shell can be used in that heat exchanger tube is arranged and be connect with upper tube box, enable to
Heat exchanger tube is fixed with distribution dish structure and is connected to realization respectively.
Preferably,
The shell 8 further includes the upper perforated plate 91 being arranged in the connecting position, and the heat exchanger tube 5 runs through the upper perforated plate
91 upper and lower end face, and the distribution dish structure 4 is set to the upper end surface of the upper perforated plate 91, by refrigerant from distribution plate knot
It is directed into structure 4 in the heat exchanger tube 5.Heat pipe can be exchanged by the upper perforated plate of setting to play fixed function and each change
Heat pipe runs through the upper perforated plate, also realizes the effect that will be connected between the liquid and heat exchanger tube above upper perforated plate.
Preferably,
Further include lower tube box 7, the lower tube box 7 connects (phase between lower tube box and shell with the lower face of the shell 8
It is logical)；
Further include refrigerant inlet take over 31, be set to the upper tube box 6 top, with by the cooling medium charging to described point
With in dish structure 4；
Further include refrigerant exit take over 32, be set on the lower tube box 7, with the refrigerant after the completion of exchanging heat from the refrigerant
The lower tube box 7 is discharged in discharge connection.
The utility model is related to vertical falling film evaporator as a whole structure it is as shown in Fig. 1.Its overall structure by
6 component of upper tube box, 8 component of shell, 7 component of lower tube box composition.There are refrigerant inlet take over 31, upper tube in 6 top design of upper tube box
6 inside of case is equipped with liquid distributing pan structure 4.8 component of shell uses traditional fixed tube sheet type structure, is set close to upper perforated plate 91
There is 21 inlet of refrigerating medium inlet pipe, 22 liquid outlet of refrigerating medium outlet pipe is equipped with close to lower perforated plate 92.Upper perforated plate 91 and lower perforated plate 92 it
Between be equipped with multiple heat exchanger tubes 5.Liquid refrigerants enters from refrigerant inlet, by distributing inside dish structure 4 to heat exchanger tube 5.Gaseous state is cold
Matchmaker is flowed out from the gas outlet of refrigerant exit take over 32；Refrigerating medium is entered from 21 inlet of refrigerating medium inlet pipe in housing chamber, finally
It is flowed out from 22 liquid outlet of refrigerating medium outlet pipe.Refrigerant walks tube side, and refrigerating medium walks shell side.
Preferably,
Further include refrigerating medium inlet pipe 21 and refrigerating medium outlet pipe 22, the refrigerating medium inlet pipe 21 is set on the shell 8
Side, the refrigerating medium outlet pipe 22 are set to the other side on the shell 8, in the height direction, the refrigerating medium inlet pipe
21 are higher than the refrigerating medium outlet pipe 22.
Preferably,
The internal diameter for defining the refrigerant inlet take over 31 is Di, and the total quantity of the heat exchanger tube is N, each equal liquid hole
The quantity for the equal liquid hole 112 being distributed in group 11 is n, a diameter of d2 of each equal liquid hole 112, and has n=Di2*/
(N*d22).Such design enables to the actual internal area that aperture is total on even liquid disc to take over circulation section equal to N3 refrigerant inlets
Area [can use approximation] in engineering, ensure that liquid refrigerants is evenly dispersed in every heat exchanger tube, the heat exchange area of heat exchanger tube
The utilization changed greatly.
Definition refrigerant inlet take over interior diameter is Di, and vertical falling film heat exchange pipe of evaporator total quantity is N, and design requirement is equal
The total actual internal area of aperture is equal to refrigerant inlet take over actual internal area [can use approximation in engineering] on liquid disk, then even liquid disc
The quantity n=Di that circle diameter is the circular aperture of regular array on d1 is positioned on 12/(N d22)。
The utility model also provides a kind of air conditioner comprising preceding any one of them evaporator.By including above-mentioned
Evaporator can realize the regular open-celled structure of liquid distributing pan annular, can ensure that liquid refrigerants is evenly dispersed to heat exchanger tube
Shu Zhong, refrigerant interior uniform flow distribution along each evaporation tube, heat exchange area obtain optimal utilization, and good effect of heat exchange improves
Heat exchange efficiency.It is uneven along each evaporation tube assignment of traffic to solve refrigerant, heat exchange area cannot get maximum utilization, heat transfer effect
The technical problem of difference；
By the vertical falling film evaporator liquid distributing pan for upper tube box, it is required that setting refrigerant walks tube side, refrigerating
Shell side is walked in agent, and the refrigerant of evaporation is flowed along heat exchanger tube to low-pressure side lower tube box, due to gaseous coolant flow direction in heat exchanger tube
Consistent with the flowing of liquid refrigerants under the effect of gravity direction, the perturbation action of gaseous coolant flowing accelerates liquid refrigerants and is changed on edge
Membranaceous stream is formed on heat pipe length direction, improves heat exchange efficiency.Solve the vertical downward film evaporator that refrigerant walks shell side,
The liquid film that middle and upper part point heat exchange pipe surface is formed in shell side is disturbed by the gaseous coolant air-flow flowed up from lower part evaporation
Action is used, and the liquid film for the pipe surface that exchanges heat is destroyed, the low technical problem of heat exchange efficiency.
On 1 top of even liquid disc, the liquid refrigerants with certain liquid level H uniformly drops onto upper perforated plate from equal liquid hole 112
Between 91 bridge, refrigerant uniformly flows to every heat exchanger tube under the action of surface tension between 91 bridge of upper perforated plate later
5 end, then the edge evaporation inside pipe wall of uniform flow is flowed down in membranaceous under the action of gravitational field.The refrigerant of membranaceous flowing absorbs heat
Evaporation, the gaseous coolant volume expansion of evaporation rapidly flow downward.The gaseous coolant to flow downward is to being sticked to along evaporation tube
The perturbation action of the liquid refrigerants of wall accelerates membranaceous arrangement of the liquid refrigerants along evaporation inside pipe wall.Membranaceous refrigerant continues to inhale
Thermal evaporation improves heat exchange efficiency.
The utility model is related to vertical falling film evaporator as a whole structure it is as shown in Fig. 1.Its overall structure by
6 component of upper tube box, 8 component of shell, 7 component of lower tube box composition.There are refrigerant inlet take over 31, upper tube in 6 top design of upper tube box
6 inside of case is equipped with liquid distributing pan structure 4.8 component of shell uses traditional fixed tube sheet type structure, is set close to upper perforated plate 91
There is 21 inlet of refrigerating medium inlet pipe, 22 liquid outlet of refrigerating medium outlet pipe is equipped with close to lower perforated plate 92.Upper perforated plate 91 and lower perforated plate 92 it
Between be equipped with multiple heat exchanger tubes 5.Liquid refrigerants enters from refrigerant inlet, by distributing inside dish structure 4 to heat exchanger tube 5.Gaseous state is cold
Matchmaker is flowed out from the gas outlet of refrigerant exit take over 32；Refrigerating medium is entered from 21 inlet of refrigerating medium inlet pipe in housing chamber, finally
It is flowed out from 22 liquid outlet of refrigerating medium outlet pipe.Refrigerant walks tube side, and refrigerating medium walks shell side.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (16)
1. a kind of liquid distributing pan structure, it is characterised in that：Including：
Even liquid disc (1) is provided at least one circular ring shape equal liquid hole group (11), and each equal liquid hole group (11) includes the
One center of circle (111) and around first center of circle at the uniformly distributed multiple equal liquid holes (112) of circular ring shape, each equal liquid of circular ring shape
Hole group (11) can it is corresponding with one heat exchanger tube (5), changed with being distributed liquid to described by multiple equal liquid holes (112)
In heat pipe (5).
2. liquid distributing pan structure according to claim 1, it is characterised in that：
Multiple equal liquid holes (112) are the equal circular hole of diameter, and the equal liquid hole (112) includes second center of circle, and multiple
Spacing between second center of circle and first center of circle of the equal liquid hole group (11) of the equal liquid hole (112) is equal.
3. liquid distributing pan structure according to claim 2, it is characterised in that：
First center of circle of the circular ring shape equal liquid hole group (11) is located on the central axis of corresponding heat exchanger tube (5), definition
Spacing between second center of circle and first center of circle is the radius d1/2 of the equal liquid hole group (11), and has equal liquid hole group
(11) radius d1/2>The radius of heat exchanger tube.
4. liquid distributing pan structure according to claim 2, it is characterised in that：
Diameter d2=1mm~6mmm of the equal liquid hole (112), the equal liquid being distributed on each equal liquid hole group (11)
Quantity n=3~12 in hole (112).
5. liquid distributing pan structure according to claim 1, it is characterised in that：
Multiple equal liquid hole groups (11) are uniformly distributed on the even liquid disc (1).
6. liquid distributing pan structure according to claim 1, it is characterised in that：
Further include flinger ring (2), the flinger ring (2) is set on the upper surface of the even liquid disc (1), towards far from the equal liquid
The top of disk (1) extends and forms loop configuration, and the extended height is H.
7. the liquid distributing pan structure according to any one of claim 1-6, it is characterised in that：
Further include holder (3), the holder (3) is set on the lower face of the even liquid disc (1), towards far from the even liquid disc
(1) lower section extends, so that the holder (3) supports out the space that can accommodate liquid flowing in the height direction.
8. liquid distributing pan structure according to claim 7, it is characterised in that：
Plane where the bottom end of the holder (3) is spaced between the bottom surface of the even liquid disc (1) at a distance from S1, and the S1
Value range between 5~25mm.
9. a kind of evaporator, it is characterised in that：
Including the liquid distributing pan structure (4) described in any one of heat exchanger tube (5) and claim 1-8, heat exchanger tube (5) edge
Vertical direction arranges that the liquid distributing pan structure (4) is located at the upper end of the heat exchanger tube (5).
10. evaporator according to claim 9, it is characterised in that：
Multiple heat exchanger tubes (5) are uniformly distributed, and the center spacing between two adjacent heat exchange tubes is equal, and the equal liquid hole group
Circle diameter d1 and two heat exchanger tubes between center interval S 2 it is equal.
11. evaporator according to claim 9, it is characterised in that：
Further include upper tube box (6) and shell (8), the distribution plate structure is located in the upper tube box (6), multiple heat exchanger tubes
(5) it is located in the shell (8), upper tube box (6) lower end and the shell (8) upper surface connect, and the heat exchanger tube (5)
It also realizes and is connected in the joint with the distribution plate.
12. evaporator according to claim 11, it is characterised in that：
The shell (8) further includes the upper perforated plate (91) being arranged in the connecting position, and the heat exchanger tube (5) runs through the upper tube
The upper and lower end face of plate (91), and the liquid distributing pan structure (4) is set to the upper end surface of the upper perforated plate (91), it will be cold
Matchmaker is directed into from liquid distributing pan structure (4) in the heat exchanger tube (5).
13. evaporator according to claim 11, it is characterised in that：
Further include lower tube box (7), the lower tube box (7) connects with the lower face of the shell (8)；
Further include that refrigerant inlet takes over (31), is set to the top of the upper tube box (6), with by the cooling medium charging to the liquid
Body distributes in dish structure (4)；
Further include that refrigerant exit takes over (32), be set on the lower tube box (7), with the refrigerant after the completion of exchanging heat from the refrigerant
The lower tube box (7) is discharged in discharge connection.
14. evaporator according to claim 11, it is characterised in that：
Further include refrigerating medium inlet pipe (21) and refrigerating medium outlet pipe (22), the refrigerating medium inlet pipe (21) is set to the shell (8)
On side, the refrigerating medium outlet pipe (22) be set to the other side on the shell (8), in the height direction, the load
Cryogen inlet pipe (21) is higher than the refrigerating medium outlet pipe (22).
15. evaporator according to claim 13, it is characterised in that：
It is Di to define the refrigerant inlet and take over the internal diameter of (31), and the total quantity of the heat exchanger tube is N, each equal liquid hole group
(11) quantity for the equal liquid hole (112) being distributed on is n, a diameter of d2 of each equal liquid hole (112), and has n=
Di2*/(N*d22)。
16. a kind of air conditioner, it is characterised in that：Including the evaporator described in any one of claim 9-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780426.9U CN207815788U (en) | 2017-12-15 | 2017-12-15 | Liquid distribution plate structure, evaporator and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780426.9U CN207815788U (en) | 2017-12-15 | 2017-12-15 | Liquid distribution plate structure, evaporator and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207815788U true CN207815788U (en) | 2018-09-04 |
Family
ID=63333290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721780426.9U Active CN207815788U (en) | 2017-12-15 | 2017-12-15 | Liquid distribution plate structure, evaporator and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207815788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088123A (en) * | 2017-12-15 | 2018-05-29 | 珠海格力电器股份有限公司 | Liquid distribution plate structure, evaporator and air conditioner |
| CN109115010A (en) * | 2018-09-13 | 2019-01-01 | 宝鸡市蕴杰金属制品有限公司 | A kind of tubular type Ti-heat exchanger of horizontal direction uniform heat exchange |
| CN116659274A (en) * | 2023-06-12 | 2023-08-29 | 山东域潇有色新材料有限公司 | Steam heat exchange device for recycling monazite alkali liquor |
-
2017
- 2017-12-15 CN CN201721780426.9U patent/CN207815788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088123A (en) * | 2017-12-15 | 2018-05-29 | 珠海格力电器股份有限公司 | Liquid distribution plate structure, evaporator and air conditioner |
| CN109115010A (en) * | 2018-09-13 | 2019-01-01 | 宝鸡市蕴杰金属制品有限公司 | A kind of tubular type Ti-heat exchanger of horizontal direction uniform heat exchange |
| CN116659274A (en) * | 2023-06-12 | 2023-08-29 | 山东域潇有色新材料有限公司 | Steam heat exchange device for recycling monazite alkali liquor |
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