CN106766407A - Distributor, evaporator and handpiece Water Chilling Units - Google Patents
Distributor, evaporator and handpiece Water Chilling Units Download PDFInfo
- Publication number
- CN106766407A CN106766407A CN201611040440.5A CN201611040440A CN106766407A CN 106766407 A CN106766407 A CN 106766407A CN 201611040440 A CN201611040440 A CN 201611040440A CN 106766407 A CN106766407 A CN 106766407A
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- China
- Prior art keywords
- distribution pipe
- level
- distributor
- level distribution
- secondary distribution
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
- F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
- F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
Abstract
The invention discloses a kind of distributor, evaporator and handpiece Water Chilling Units.Distributor includes：Feed tube, one-level distribution pipe and secondary distribution pipe group, feed tube are vertically arranged, and one-level distribution pipe is horizontally disposed with, and one-level distribution pipe is connected with the bottom of feed tube, and one-level distribution pipe is axially arranged with multiple one-level equal liquid holes along it.Secondary distribution pipe group is horizontally set on the lower section of one-level distribution pipe, and secondary distribution pipe group includes multiple secondary distribution pipes, and each secondary distribution pipe is at least connected with an one-level equal liquid hole, and each secondary distribution pipe is provided with along its axially arranged multiple two grades of equal liquid hole.Dispensers according to the invention, distribution effects is good, and by this design, reduces distribution resistance, and the distributor pressure loss is smaller.In addition, dispensing arrangement is compact, processing technology is simple, easily manufactured quick, without Special complex technological requirement, can be mass-produced, not only easy for installation, also cost-effective.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly, to a kind of distributor, evaporator and handpiece Water Chilling Units.
Background technology
Increase with people to environment-friendly air conditioner demand, the energy-efficient new mark for having become the development of Screw chiller technology
To falling film type screw rod handpiece Water Chilling Units turn into new developing direction because its is energy-efficient.Most crucial part is in falling liquid film unit
Falling liquid film distributor, the quality of distributor, influence falling film evaporation pipe heat exchange utilization rate, so as to influence the heat exchange of falling film evaporator to imitate
Rate, and then influence the ability efficiency of whole machine；Moreover, the quality of falling liquid film distributor, also directly affects filling for unit refrigerant
How much is note, because refrigerant is flowed down above heat exchanger tube, if transverse direction, longitudinal maldistribution, heat exchange pipe surface is received
Refrigerant liquid is uneven, and part heat exchange surface causes " main " without refrigerant, so as to heat exchange, heat exchanger tube table cannot be carried out
Face utilization rate can decline, and refrigerant charging is accomplished by increasing；If conversely, transverse direction, longitudinal evenly distributed, heat exchange pipe surface receiving
The refrigerant liquid for arriving is uniform, and main would not occur in heat exchanger tube, takes full advantage of heat exchanger tube all surface product, now refrigerant
Charging amount can be reduced.
Many air-conditioning equipment producers all both can guarantee that refrigerant distribution effects trying to explore to design, the steaming of existing unit
Hair device structure has full-liquid type, dry type, falling film type etc., and conveniently distributor is studied for different evaporators by producer, and
Achieve some positive effects.But refrigerant distributor of the prior art is still present following two problems：One is refrigeration
Agent evenly distributes effect preferably, but haves the shortcomings that complex structure, requirement on machining accuracy be high, high cost；Two is simple structure, plus
Work required precision is relatively low, but haveing the shortcomings that to evenly distribute is difficult to realize.
The content of the invention
The application is intended at least solve one of technical problem present in prior art.Therefore, the present invention is intended to provide one
Distributor is planted, the distributor is not only simple in structure, is easily worked, and can evenly distribute refrigerant.
It is another object of the present invention to provide a kind of evaporator with above-mentioned distributor.
A further object of the present invention is to provide a kind of handpiece Water Chilling Units with above-mentioned evaporator.
The distributor of handpiece Water Chilling Units of the invention, including：Feed tube, the feed tube is vertically arranged；One-level is distributed
Pipe, the one-level distribution pipe is horizontally disposed with, and the one-level distribution pipe is connected with the bottom of the feed tube, the one-level distribution
Pipe is axially arranged with multiple one-level equal liquid holes along it；Secondary distribution pipe group, the secondary distribution pipe group is horizontally set on the one-level
The lower section of distribution pipe, the secondary distribution pipe group includes multiple secondary distribution pipes, each described secondary distribution pipe at least with one
The one-level equal liquid hole is connected, and each described secondary distribution pipe is provided with along its axially arranged multiple two grades of equal liquid hole.
The distributor of handpiece Water Chilling Units according to embodiments of the present invention, by setting one-level distribution pipe and secondary distribution pipe group,
Liquid can uniformly be discharged at multiple two grades of equal liquid holes, the distributor distribution effects is good, and by this design, reduce distribution
Resistance, the distributor pressure loss is smaller.In addition, dispensing arrangement is compact, processing technology is simple, easily manufactured quick, without special
Complex processing requirements, can be mass-produced, not only easy for installation, also cost-effective.
In certain embodiments, distributor also includes：Three-level distributes housing, and three-level is limited in the three-level distribution housing
Distribution cavity, the three-level distribution cavity is connected with two grades of equal liquid holes of the secondary distribution pipe group, and the three-level distributes shell
The bottom wall of body is provided with multiple three-level equal liquid holes.
Alternatively, the feed tube is vertical with the one-level distribution pipe is connected, described in each described secondary distribution Guan Junyu
One-level distribution pipe is perpendicular.
In certain embodiments, each described secondary distribution Guan Jun is connected by adapter with the one-level distribution pipe.
Specifically, three times of the cross-sectional area of the one-level distribution pipe less than or equal to the cross-sectional area of the feed tube.
Specifically, the tube chamber volume of the one-level distribution pipe is V1, the tube chamber volume sum of the multiple secondary distribution pipe
It is V2, the two meets relation：V1<V2≤2·V1.
Specifically, three times of the length of the adapter less than or equal to the diameter of the secondary distribution pipe.
In certain embodiments, the one-level distribution pipe and the secondary distribution pipe group are each provided at the three-level distribution housing
Interior, the feed tube is extend into the three-level distribution cavity through the roof of three-level distribution housing.
Specifically, the bottom of the secondary distribution pipe is distributed the distance between bottom wall of shell and is not more than with the three-level
30mm。
Evaporator of the invention, the evaporator includes shell and the heat exchanger tube for the coolant that circulates, described to change
Heat pipe is located in the shell, and the evaporator also includes distributor, and the distributor is arranged in the shell and positioned at institute
The top of heat exchanger tube is stated, the distributor is the distributor according to the above-mentioned handpiece Water Chilling Units of the present invention.
Evaporator according to embodiments of the present invention, by setting distributor respectively refrigerant, can reduce distribution resistance, it is ensured that
Refrigerant is fully exchanged heat with heat exchanger tube, and evaporation can be also reduced after can improving the heat exchange efficiency of evaporator, and heat exchange efficiency raising
The charging amount of device inner refrigerant.The other dispensing arrangement is compact, and processing technology is simple, it is convenient in evaporator,
It is also cost-saved.
Handpiece Water Chilling Units of the invention, including according to the above-mentioned evaporator of the present invention.
Handpiece Water Chilling Units according to embodiments of the present invention, by setting above-mentioned evaporator, can improve efficiency, reduce refrigerant
Charging amount.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural perspective of distributor according to an embodiment of the invention；
Fig. 2 is the structure front view of distributor in accordance with another embodiment of the present invention；
Fig. 3 is the structural side view of distributor shown in Fig. 2；
Fig. 4 is the upward view of one-level distribution pipe according to an embodiment of the invention；
Fig. 5 is the upward view of secondary distribution pipe according to an embodiment of the invention；
Fig. 6 is the upward view that three-level according to an embodiment of the invention distributes housing；
Fig. 7 is the distribution principle figure of the distributor of embodiment illustrated in fig. 1；
Fig. 8 is the distribution principle figure of the distributor of Fig. 2 correspondence embodiments；
Fig. 9 is the distribution principle figure of the distributor of Fig. 3 correspondence embodiments；
Figure 10 is the main structure diagram of evaporator according to an embodiment of the invention；
Figure 11 is the side structure schematic view of the evaporator of embodiment illustrated in fig. 10.
Reference：
Evaporator 1000, inlet A, exhaust outlet C,
Distributor 100, feed tube 1, one-level distribution pipe 2, one-level equal liquid hole 21,3, two grades of equal liquid holes of secondary distribution pipe group
31st, secondary distribution pipe 30, three-level distribution housing 4, three-level equal liquid hole 31, adapter 5, cover plate 6, gas block panel 7, shell 200, heat exchanger tube
300。
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The distributor 100 of handpiece Water Chilling Units according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 9, in handpiece Water Chilling Units
Distributor 100 is used for evenly distributing liquid, and distributor 100 is usable in heat exchanger, with to uniform spray liquid on heat exchanger tube 300
Body.
The distributor 100 of handpiece Water Chilling Units according to embodiments of the present invention, as shown in figure 1, including：Feed tube 1, one-level is distributed
Pipe 2 and secondary distribution pipe group 3, feed tube 1 is vertically arranged, and one-level distribution pipe 2 is horizontally disposed with, one-level distribution pipe 2 and feed tube 1
Bottom is connected, as shown in figure 4, one-level distribution pipe 2 is axially arranged with multiple one-level equal liquid holes 21 along it.The water of secondary distribution pipe group 3
The flat lower section for being arranged on one-level distribution pipe 2, secondary distribution pipe group 3 includes multiple secondary distribution pipes 30, each secondary distribution pipe 30
At least it is connected with an one-level equal liquid hole 21.As shown in figure 5, each secondary distribution pipe 30 is provided with axially arranged many along its
Individual two grades of equal liquid holes 31.
After liquid flows into feed tube 1, in being influenceed liquid to flow downwardly into one-level distribution pipe 2 automatically by Action of Gravity Field.Due to
The general horizontal of one-level distribution pipe 2 is set, and the liquid of inflow can be distributed to the whole pipe range region of one-level distribution pipe 2, and liquid can divide
Do not flowed out from multiple one-level equal liquid holes 21 so that the liquid in one-level distribution pipe 2 can be distributed evenly to multiple secondary distribution pipes 30
Interior, distributor 100 realizes once equal liquid.
After being flowed to respectively in multiple secondary distribution pipes 30 from the liquid of the outflow of one-level distribution pipe 2, due to each secondary distribution
The general horizontal of pipe 30 is set, and the liquid flowed into each secondary distribution pipe 30 can be distributed to the whole pipe range region of the pipe, and liquid can
Flowed out from multiple two grades of equal liquid holes 31 of the pipe respectively.As shown in fig. 7, the setting of multiple secondary distribution pipes 30 so that two fractions
Pipe arrangement group 3 transversely, along longitudinal direction can be provided with multiple two grades of equal liquid holes 31 in the whole plane where pipe group so that distributor
Liquid can be evenly distributed to discharge at multiple two grades of equal liquid holes 31 by 100, and distributor 100 realizes secondary equal liquid.
The distributor 100 of handpiece Water Chilling Units according to embodiments of the present invention, by setting one-level distribution pipe 2 and secondary distribution pipe
Group 3, can uniformly discharge liquid at multiple two grades of equal liquid holes 31, and the distribution effects of distributor 100 is good, and is set by this
Meter, reduces distribution resistance, and the pressure loss of distributor 100 is smaller.In addition, the compact conformation of distributor 100, processing technology is simple, system
Make convenient and swift, without Special complex technological requirement, can be mass-produced, it is not only easy for installation, it is also cost-effective.
Below with reference to the accompanying drawings the concrete structure of distributor 100 in different embodiments is described, it is to be understood that difference is implemented
Identical label shows identical part or the element with identical function in example, hereafter repeats no more.
The concrete structure of distributor 100 in embodiment one is described below with reference to Fig. 1 and Fig. 4, Fig. 5, Fig. 7.
In Fig. 1, feed tube 1, one-level distribution pipe 2 and each secondary distribution pipe 30 are round straight tube, such processing cost
It is relatively low.
Wherein, feed tube 1 is vertically arranged, and one-level distribution pipe 2 is located at the bottom of feed tube 1, and the level of one-level distribution pipe 2 sets
Put, one-level distribution pipe 2 is perpendicular with feed tube 1, feed tube 1 is located at the pipe of one-level distribution pipe 2 with the tie point of one-level distribution pipe 2
Middle long.Feed tube 1 is larger with the caliber of one-level distribution pipe 2, therefore feed tube 1 can be with the company of being directly connected to of one-level distribution pipe 2
It is logical.
In this embodiment, the cross-sectional area of one-level distribution pipe 2 more than the cross-sectional area of feed tube 1, so, distribute by one-level
Pipe 2 has certain amount of storage, has certain cushioning effect to liquid distribution.It should be noted that pipe mentioned in this article or
The cross-sectional area in person hole, refers to the pipe or the hole in the area on the section of axis, hereafter will no longer go to live in the household of one's in-laws on getting married
State.
The cross-sectional area of one-level distribution pipe 2 is less than three times of the cross-sectional area equal to feed tube 1, so limits a fraction
The cross-sectional area of pipe arrangement 2, it is ensured that the liquid flowed into from feed tube 1 can as soon as possible be assigned to the overall pipe range of one-level distribution pipe 2
In region.
In embodiment one, multiple secondary distribution pipes 30 are arranged along the length direction of one-level distribution pipe 2 in secondary distribution pipe group 3
Row, at grade, each secondary distribution pipe 30 is horizontally disposed with multiple parallel arrangements of secondary distribution pipe 30, each two fraction
Pipe arrangement 30 is perpendicular with one-level distribution pipe 2.Pipe range of the correspondence of one-level equal liquid hole 21 of one-level distribution pipe 2 in secondary distribution pipe 30
Middle.
In this embodiment, as shown in figure 4, the bottom of one-level distribution pipe 2 is provided with row's one-level equal liquid hole 21, multiple one-levels
Equal liquid hole 21 along one-level distribution pipe 2 the evenly-spaced setting in axial direction.As shown in figure 5, the bottom of each secondary distribution pipe 30
Two grades of equal liquid holes 31 of a row are provided with, multiple two grades of equal liquid holes 31 are opened up along the axial uniform intervals of corresponding secondary distribution pipe 30
Put.So, in secondary distribution pipe 30 can form two grades of equal liquid holes 31 of multiple rows of multiple row in the plane.
In this embodiment, after liquid is distributed to multiple secondary distribution pipes 30 due to one-level distribution pipe 2, each two grades
Liquid mass flow reduces in distribution pipe 30, therefore to ensure that the liquid for flowing into can be distributed in overall pipe range, each secondary distribution pipe
30 caliber is unsuitable excessive.In Fig. 1 it can clearly be seen that the caliber of each secondary distribution pipe 30 is much smaller than one-level distribution pipe
2 caliber.
Because the caliber of secondary distribution pipe 30 is smaller, the import of secondary distribution pipe 30 is again larger, and secondary distribution pipe 30 cannot
Directly it is connected with one-level distribution pipe 2, therefore each secondary distribution pipe 30 passes through adapter 5 and one-level distribution pipe 2 in the embodiment
It is connected.Wherein, less than or equal to three times of the diameter of secondary distribution pipe 30, to avoid, adapter 5 is interior to be detained excessive liquid to the length of adapter 5
Body, so as to reduce liquid fill amount in distributor 100.
In this embodiment, the tube chamber volume of one-level distribution pipe 2 is V1, the tube chamber volume sum of multiple secondary distribution pipes 30
It is V2, the two meets relation：V1<V2≤2·V1.So, it is ensured that one-level distribution pipe 2 is flowed into secondary distribution pipe group 3
Liquid can be further ensured that the uniformity of distribution full of in all secondary distribution pipes 30 substantially.
In addition, in this embodiment, the one-level equal liquid hole 21 opened up in one-level distribution pipe 2, the cross-sectional area in the hole is little
In 3 times of the cross-sectional area of feed tube 1.
Multiple two grades of equal liquid holes 31 are provided with each secondary distribution pipe 30, the cross-sectional area in the hole is not more than feed tube 1
2 times of cross-sectional area.
The concrete structure of distributor 100 in embodiment two is described below with reference to Fig. 2-Fig. 6 and Fig. 8 and Fig. 9.
The structure of distributor 100 is substantially the same with the structure of distributor 100 in embodiment one in embodiment two, two realities
A same section is applied to repeat no more here.
Except that, in embodiment two, as shown in Figures 2 and 3, distributor 100 also includes：Three-level distributes housing 4,
Three-level distribution cavity is limited in three-level distribution housing 4, three-level distribution cavity is connected with two grades of equal liquid holes 31 of secondary distribution pipe group 3
It is logical.As shown in fig. 6, the bottom wall of three-level distribution housing 4 is provided with multiple three-level equal liquid holes 41.So, multiple two grades of equal liquid holes 31
The liquid of outflow is flowed in three-level distribution cavity, then the equably discharge from multiple three-level equal liquid holes 41, and distributor 100 realizes three
Level liquid, so as to further improve the uniformity of the distribution of distributor 100.
In figure 6, the bottom wall of three-level distribution housing 4 is provided with the equal liquid of three-level transversely with multiple rows of multiple row of longitudinal direction arrangement
Hole 41, multiple three-level equal liquid holes 41 are covered with whole housing, and distribution area is big.
In embodiment two, as shown in Figures 2 and 3, one-level distribution pipe 2 and secondary distribution pipe group 3 are each provided at three-level distribution
In housing 4, feed tube 1 is extend into three-level distribution cavity through the roof of three-level distribution housing 4.
In figs. 2 and 3, three-level distribution housing 4 is formed as Rectangular shell, length of the one-level distribution pipe 2 parallel to Rectangular shell
Side, the pipe range of one-level distribution pipe 2 is substantially equivalent to the length of Rectangular shell.Secondary distribution pipe 30 parallel to rectangular tube width edge, two
The pipe range of level distribution pipe 30 is substantially equivalent to the width of Rectangular shell.
Multiple secondary distribution pipes 30 are arranged at grade, and multiple secondary distribution pipes 30 distribute the bottom of housing 4 with three-level
The space limited between wall is used for the liquid that access is flowed out from two grades of equal liquid holes 31, and the space size is also required to limit.
Assuming that the spatial volume limited between the bottom wall of multiple secondary distribution pipes 30 and three-level distribution housing 4 is V3, it is multiple
The tube chamber volume sum of secondary distribution pipe 30 is V2, and the two meets relation：V2<V3≤2·V2.So may advantageously facilitate liquid fast
Speed is equably discharged from multiple three-level equal liquid holes 41.
In addition, the bottom of secondary distribution pipe 30 distributes the distance between bottom wall of housing 4 with three-level is not more than 30mm, so
Can be flowed directly on the bottom wall of three-level distribution housing 4 also for the liquid for ensureing to be flowed out from two grades of equal liquid holes 31, it is to avoid liquid
Splash, be detained.
The structure of distributor 100 is relatively simple in above-mentioned two embodiment, and handling ease, cost is relatively low, and the pressure loss is small, liquid
Body distribution effects is good.
In the above-described embodiments, feed tube 1 is one, but in other embodiments of the present invention, feed tube 1 can also set
There is multiple.In addition, each feed tube 1 is not limited on the interlude of one-level distribution pipe 2 with the tie point of one-level distribution pipe 2, also may be used
To be arranged as required to tie point.Equally, the one-level equal liquid hole 21 of one-level distribution pipe 2 secondary distribution pipe 3 tie point not yet
It is limited on the interlude of the secondary distribution pipe 3.
In the above-described embodiments, feed tube 1, one-level distribution pipe 2, secondary distribution pipe 30 are straight tube, and are pipe, but
It is that in other embodiments of the present invention, above-mentioned tubular body is alternatively curved pipe, the shape of cross section of above-mentioned tubular body can set as needed
Put, be also not construed as limiting here.
In addition, the one-level equal liquid hole 21 in one-level distribution pipe 2, can be any shape hole, such as square hole, circular hole；Two
Two grades of equal liquid holes 31 in level distribution pipe 30, can be the holes of any shape；Three-level equal liquid hole 41 on three-level distribution housing 4,
It can be the hole of any shape.
The structure of evaporator 1000 according to embodiments of the present invention is described below with reference to Fig. 1-Figure 11.
Evaporator 1000 according to embodiments of the present invention, as shown in Figure 10 and Figure 11, evaporator 1000 includes the He of shell 200
For the heat exchanger tube 300 of the coolant that circulates, heat exchanger tube 300 is located in shell 200, and evaporator 1000 also includes distributor 100, point
Orchestration 100 is located in shell 200, and distributor 100 is arranged on the top of heat exchanger tube 300, and distributor 100 is to be implemented according to the present invention
The distributor 100 of the above-mentioned handpiece Water Chilling Units of example.The structure of distributor 100 is illustrated by above-described embodiment, repeated no more here.
Distributor 100 is built in evaporator 1000, and distributor 100 can indulge the refrigerant liquid flowed out from condenser
It is horizontal divide equally after, on uniform spray to heat exchanger tube 300.
Evaporator 1000 according to embodiments of the present invention, refrigerant is divided equally by setting distributor 100, can reduce distribution resistance
Power, it is ensured that refrigerant fully exchanges heat with heat exchanger tube 300, can improve the heat exchange efficiency of evaporator 1000, and heat exchange efficiency is improved
The charging amount of the inner refrigerant of evaporator 1000 can be also reduced afterwards.The other compact conformation of distributor 100, processing technology is simple, can
It is conveniently mounted in evaporator 1000, it is also cost-saved.
With reference to Fig. 2 and Fig. 3 and Figure 10 and Figure 11, the distributor 100 for describing embodiment two is applied in evaporator 1000
When evaporator 1000 structure and working principle.The assembling process of distributor 100 can be by the assembling of embodiment two in embodiment one
Process is derived, is not discussed herein.
In this embodiment, as shown in Figure 10, evaporator 1000 includes shell 200, distributor 100 and heat exchanger tube 300, point
Orchestration 100 and heat exchanger tube 300 are each provided in shell 200.Refrigerant walks shell side in the evaporator 1000, and coolant walks tube side.Its
In, shell 200 is provided with inlet A and exhaust outlet C, and inlet A and exhaust outlet C are each provided on the roof of shell 200.Need
Bright, the position of inlet A and exhaust outlet C can be in the axial any position of shell 200.
In this embodiment, distributor 100 is mainly included：Feed tube 1, one-level distribution pipe 2, secondary distribution pipe group 3, three-level
Distribution housing 4, cover plate 6 and gas block panel 7.
Wherein, feed tube 1 coordinates in the inlet A of shell 200, and the refrigerant liquid entered from inlet A directly leads to
Feed tube 1 is crossed to enter in distributor 100.
In this embodiment, three-level distribution housing 4 includes box body and cover plate 6 that top is opened wide, and cover plate 6 is covered in box body
Top is closing three-level distribution cavity.One-level distribution pipe 2 and secondary distribution pipe group 3 are each provided in three-level distribution cavity, wherein, a fraction
Pipe arrangement 2 is located at the top of secondary distribution pipe group 3, and one-level distribution pipe 2 is perpendicular with each secondary distribution pipe 30, secondary distribution pipe
30 are connected with each secondary distribution pipe 30 by adapter 5.Feed tube 1 is extend into three-level distribution cavity after passing through cover plate 6, feed tube
1 bottom is connected with one-level distribution pipe 2.Gas block panel 7 is provided with the both sides of cover plate 6, distributor 100 is by gas block panel 7 and enters
Liquid pipe 1 is fixedly connected with the shell 200 of evaporator 1000.
Wherein, gas block panel 7 is provided with air-vent, so that the gas of the lower section of gas block panel 7 may pass through after gas block panel 7 from exhaust outlet
C is discharged.In addition, cover plate 6 on the part in three-level distribution housing 4 outside can also set air-vent.Gas block panel 7 and cover plate
There is air-vent on 6, can be the aperture of any shape.
In this embodiment, the tube chamber of feed tube 1 is connected with the tube chamber of one-level distribution pipe 2, the tube chamber of one-level distribution pipe 2
It is connected with the tube chamber of multiple secondary distribution pipes 30 by multiple one-level equal liquid holes 21 respectively, the tube chamber of each secondary distribution pipe 30
It is connected with three-level distribution cavity by two grades of equal liquid holes 31 thereon.
The tube chamber of one-level distribution pipe 2, the tube chamber of secondary distribution pipe 30 and three-level distribution cavity are sequentially connected logical, three-level distribution cavity
It is connected with the cavity of evaporator 1000 by three-level equal liquid hole 41, equal liquid process is carried out in three cavitys being connected.
100 3 equal liquid complete procedures of distributor are as follows：1st, the equal liquid of one-level：The Low temperature low pressure liquid flowed into from condenser
By after expansion, into feed tube 1, subsequently into one-level distribution pipe 2, liquid is by multiple in one-level distribution pipe 2
Level equal liquid hole 21 completes for the first time liquid；2nd, two grades of equal liquid：The liquid flowed out from one-level distribution pipe 2, by multiple adapters 5
Afterwards, flow into multiple secondary distribution pipes 30, the bearing of trend of secondary distribution pipe 30 mutually hangs down with the bearing of trend of one-level distribution pipe 2
Directly, the liquid in secondary distribution pipe 30 is flowed into by secondary equal liquid, it is uniform by two grades of equal liquid holes 31 on secondary distribution pipe 30
Outflow, flows into three-level distribution cavity；3rd, the equal liquid of three-level：From the liquid that secondary distribution pipe 30 is flowed out, housing 4 is distributed into three-level
In, three-level equal liquid hole 41 is distributed with three-level distribution housing 4, fluid uniformly flows out from three-level equal liquid hole 41, realizes third time
Equal liquid.Equal sap cavity bodies at different levels, fluid passage separation, will not gang up mixing above.
Liquid is all uniformly distributed in horizontal, longitudinal direction after three equal liquid, flows on the heat exchanger tube 300 of evaporator 1000, and change
After the heat exchange of the internal coolant of heat pipe 300, refrigerant liquid forms steam, and compression is entered by exhaust outlet C after being passed through from gas block panel 7
In machine.
Handpiece Water Chilling Units according to embodiments of the present invention, including evaporator 1000 above-mentioned according to embodiments of the present invention.
Thus, handpiece Water Chilling Units according to embodiments of the present invention, by setting above-mentioned evaporator 1000, can improve efficiency, subtract
The charging amount of small refrigerant.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies describe, rather than indicating or imply signified device or element there must be specific side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " is meant that two
Individual or two or more.
In the description of the invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ",
" fixation " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be machinery
Connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two elements
Internal connection or two interaction relationships of element.For the ordinary skill in the art, can be with concrete condition
Understand above-mentioned term concrete meaning in the present invention.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean to combine the embodiment or
Specific features, structure, material or the feature that example is described are contained at least one embodiment of the invention or example.At this
In specification, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, description it is specific
Feature, structure, material or feature can in an appropriate manner be combined in one or more any embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (11)
1. a kind of distributor of handpiece Water Chilling Units, it is characterised in that including：
Feed tube, the feed tube is vertically arranged；
One-level distribution pipe, the one-level distribution pipe is horizontally disposed with, and the one-level distribution pipe is connected with the bottom of the feed tube,
The one-level distribution pipe is axially arranged with multiple one-level equal liquid holes along it；
Secondary distribution pipe group, the secondary distribution pipe group is horizontally set on the lower section of the one-level distribution pipe, the secondary distribution
Pipe group includes multiple secondary distribution pipes, and each described secondary distribution pipe is at least connected with an one-level equal liquid hole, each
The secondary distribution pipe is provided with along its axially arranged multiple two grades of equal liquid hole.
2. the distributor of handpiece Water Chilling Units according to claim 1, it is characterised in that also include：Three-level distributes housing, described
Three-level distribution cavity, the three-level distribution cavity and described two grades of the secondary distribution pipe group equal liquid are limited in three-level distribution housing
Hole is connected, and the bottom wall of the three-level distribution housing is provided with multiple three-level equal liquid holes.
3. the distributor of handpiece Water Chilling Units according to claim 1, it is characterised in that the feed tube is distributed with the one-level
The vertical connection of pipe, each one-level distribution pipe described in the secondary distribution Guan Junyu is perpendicular.
4. the distributor of handpiece Water Chilling Units according to claim 1, it is characterised in that each described secondary distribution Guan Jun passes through
Adapter is connected with the one-level distribution pipe.
5. the distributor of handpiece Water Chilling Units according to claim 1, it is characterised in that the cross-sectional area of the one-level distribution pipe
Less than or equal to three times of the cross-sectional area of the feed tube.
6. the distributor of handpiece Water Chilling Units according to claim 1, it is characterised in that the tube chamber volume of the one-level distribution pipe
It is V1, the tube chamber volume sum of the multiple secondary distribution pipe is V2, and the two meets relation：V1<V2≤2·V1.
7. the distributor of handpiece Water Chilling Units according to claim 4, it is characterised in that the length of the adapter is less than or equal to institute
State the diameter of secondary distribution pipe three times.
8. the distributor of handpiece Water Chilling Units according to claim 2, it is characterised in that the one-level distribution pipe and described two grades
Distribution pipe group is each provided in the three-level distribution housing, and the feed tube extend into institute through the roof of three-level distribution housing
State in three-level distribution cavity.
9. the distributor of handpiece Water Chilling Units according to claim 8, it is characterised in that the bottom of the secondary distribution pipe and institute
State the distance between bottom wall of three-level distribution shell and be not more than 30mm.
10. a kind of evaporator, the evaporator includes shell and the heat exchanger tube for the coolant that circulates, and the heat exchanger tube is located at institute
State in shell, it is characterised in that the evaporator also includes distributor, the distributor is arranged in the shell and positioned at institute
The top of heat exchanger tube is stated, the distributor is the distributor of the handpiece Water Chilling Units according to any one of claim 1-9.
11. a kind of handpiece Water Chilling Units, it is characterised in that including evaporator according to claim 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611040440.5A CN106766407B (en) | 2016-11-21 | 2016-11-21 | Distributor, evaporator and handpiece Water Chilling Units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611040440.5A CN106766407B (en) | 2016-11-21 | 2016-11-21 | Distributor, evaporator and handpiece Water Chilling Units |
Publications (2)
| Publication Number | Publication Date |
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| CN106766407A true CN106766407A (en) | 2017-05-31 |
| CN106766407B CN106766407B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611040440.5A Active CN106766407B (en) | 2016-11-21 | 2016-11-21 | Distributor, evaporator and handpiece Water Chilling Units |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108413662A (en) * | 2018-03-09 | 2018-08-17 | 苏州泰隆制冷有限公司 | A kind of small-sized more logical brass distributors |
| CN109140835A (en) * | 2018-08-07 | 2019-01-04 | 南京恒标斯瑞冷冻机械制造有限公司 | A kind of downward film evaporator |
| CN109780763A (en) * | 2019-02-27 | 2019-05-21 | 上海热泰能源技术有限公司 | A kind of dual-purpose type distributor |
| WO2020019636A1 (en) * | 2018-07-25 | 2020-01-30 | 珠海格力电器股份有限公司 | Evaporator and air conditioning unit |
| CN110822772A (en) * | 2018-08-14 | 2020-02-21 | 约克（无锡）空调冷冻设备有限公司 | Falling film evaporator |
| CN113758056A (en) * | 2021-09-28 | 2021-12-07 | 西安交通大学 | Shell-and-tube heat exchanger with refrigerant distribution device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108413662A (en) * | 2018-03-09 | 2018-08-17 | 苏州泰隆制冷有限公司 | A kind of small-sized more logical brass distributors |
| WO2020019636A1 (en) * | 2018-07-25 | 2020-01-30 | 珠海格力电器股份有限公司 | Evaporator and air conditioning unit |
| CN109140835A (en) * | 2018-08-07 | 2019-01-04 | 南京恒标斯瑞冷冻机械制造有限公司 | A kind of downward film evaporator |
| CN109140835B (en) * | 2018-08-07 | 2023-04-18 | 南京恒标斯瑞冷冻机械制造有限公司 | Falling film evaporator |
| CN110822772A (en) * | 2018-08-14 | 2020-02-21 | 约克（无锡）空调冷冻设备有限公司 | Falling film evaporator |
| CN109780763A (en) * | 2019-02-27 | 2019-05-21 | 上海热泰能源技术有限公司 | A kind of dual-purpose type distributor |
| CN113758056A (en) * | 2021-09-28 | 2021-12-07 | 西安交通大学 | Shell-and-tube heat exchanger with refrigerant distribution device |
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| CN106766407B (en) | 2018-08-07 |
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