CN106766407B - Distributor, evaporator and handpiece Water Chilling Units - Google Patents

Distributor, evaporator and handpiece Water Chilling Units Download PDF

Info

Publication number
CN106766407B
CN106766407B CN201611040440.5A CN201611040440A CN106766407B CN 106766407 B CN106766407 B CN 106766407B CN 201611040440 A CN201611040440 A CN 201611040440A CN 106766407 B CN106766407 B CN 106766407B
Authority
CN
China
Prior art keywords
level
distribution pipe
distributor
distribution
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611040440.5A
Other languages
Chinese (zh)
Other versions
CN106766407A (en
Inventor
顾同先
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Chongqing Midea General Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201611040440.5A priority Critical patent/CN106766407B/en
Publication of CN106766407A publication Critical patent/CN106766407A/en
Application granted granted Critical
Publication of CN106766407B publication Critical patent/CN106766407B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/02Details of evaporators
    • F25B2339/024Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0242Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a kind of distributor, evaporator and handpiece Water Chilling Units.Distributor includes:Inlet tube, level-one distribution pipe and secondary distribution pipe group, inlet tube is vertically arranged, and level-one distribution pipe is horizontally disposed, and level-one distribution pipe is connected with the bottom end of inlet tube, and level-one distribution pipe is axially arranged with multiple level-one equal liquid holes along it.Secondary distribution pipe group is horizontally set on the lower section of level-one distribution pipe, and secondary distribution pipe group includes multiple secondary distribution pipes, and each secondary distribution pipe is at least connected with a level-one equal liquid hole, and each secondary distribution pipe is equipped with the multiple two level equal liquid holes being axially arranged along it.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, and easily manufactured quick, no Special complex technological requirement can be mass-produced, not only easy for installation, also cost-effective.

Description

Distributor, evaporator and handpiece Water Chilling Units
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 become new developing direction since its is energy-efficient.Most crucial component is in falling liquid film unit Falling liquid film distributor, the quality of distributor influence falling film evaporation pipe heat exchange utilization rate, to influence the heat exchange effect of falling film evaporator Rate, and then influence the ability efficiency of complete machine;Moreover, the quality of falling liquid film distributor also directly affects filling for unit refrigerant How much is note, because under refrigerant flows above the heat exchanger tube, if transverse direction, longitudinal distribution are uneven, heat exchange pipe surface receives Refrigerant liquid is uneven, and part heat exchange surface leads to " main pipe " without refrigerant, to carry out heat exchange, heat exchanger tube table Face utilization rate can decline, and refrigerant charging just needs to increase;On the contrary, if transverse direction, longitudinal evenly distributed, heat exchange pipe surface receiving The refrigerant liquid arrived is uniform, and main pipe would not occur in heat exchanger tube, takes full advantage of heat exchanger tube all surface product, at this time refrigerant Charging amount can be reduced.
Many air-conditioning equipment producers all both can guarantee 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., producer to study conveniently distributor for different evaporators, and Achieve some positive effects.But refrigerant distributor in the prior art still has following two problems:First, refrigeration It is preferable that agent evenly distributes effect, but haves the shortcomings that complicated, requirement on machining accuracy is high, of high cost;Second is that it is simple in structure, add Work required precision is relatively low, but exists and evenly distribute the shortcomings that being not easy to realize.
Invention content
The application aims to solve at least one of the technical problems existing in the prior art.For this purpose, the present invention is intended to provide one Kind distributor, which 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 evaporators 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 according to the present invention, including:Inlet tube, the inlet tube are vertically arranged;Level-one is distributed Pipe, the level-one distribution pipe is horizontally disposed, and the level-one distribution pipe is connected with the bottom end of the inlet tube, the level-one distribution Pipe is axially arranged with multiple level-one equal liquid holes along it;Secondary distribution pipe group, the secondary distribution pipe group are horizontally set on the level-one The lower section of distribution pipe, the secondary distribution pipe group include multiple secondary distribution pipes, each secondary distribution pipe at least with one The level-one equal liquid hole is connected, and each secondary distribution pipe is equipped with the multiple two level equal liquid holes being axially arranged along it.
The distributor of handpiece Water Chilling Units according to the ... of the embodiment of the present invention, by the way that level-one distribution pipe and secondary distribution pipe group is arranged, Liquid can be uniformly discharged at multiple two level equal liquid holes, the distributor distribution effects is good, and by this design, reduces distribution Resistance, the distributor pressure loss are 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 some embodiments, distributor further includes:Three-level distributes shell, and three-level is limited in the three-level distribution shell Distribution cavity, the three-level distribution cavity are connected with the two level equal liquid hole of the secondary distribution pipe group, and the three-level distributes shell The bottom wall of body is equipped with multiple three-level equal liquid holes.
Optionally, the inlet tube and the level-one distribution pipe vertical connection, each described in the secondary distribution Guan Junyu Level-one distribution pipe is perpendicular.
In some embodiments, each secondary distribution Guan Jun is connected by taking over the level-one distribution pipe.
Specifically, the cross-sectional area of the level-one distribution pipe is less than or equal to three times of cross-sectional area of the inlet tube.
Specifically, the tube chamber volume of the level-one distribution pipe is V1, the sum of the tube chamber volume of the multiple secondary distribution pipe For V2, the two meets relationship:V1<V2≤2·V1.
Specifically, the length taken over is less than or equal to three times of diameter of the secondary distribution pipe.
In some embodiments, the level-one distribution pipe and the secondary distribution pipe group are each provided at the three-level distribution shell Interior, the inlet tube passes through the roof of three-level distribution shell to extend into the three-level distribution cavity.
Specifically, the bottom of the secondary distribution pipe and the distance between the bottom wall of three-level distribution shell are not more than 30mm。
Evaporator according to the present invention, the evaporator include shell and the heat exchanger tube for the coolant liquid that circulates, described to change Heat pipe is located in the shell, and the evaporator further includes distributor, and the distributor is arranged in the shell and is located at institute The top of heat exchanger tube is stated, the distributor is the distributor according to above-mentioned handpiece Water Chilling Units of the invention.
Evaporator according to the ... of the embodiment of the present invention divides equally refrigerant by the way that distributor is arranged, can reduce distribution resistance, ensure Refrigerant fully exchanges heat with heat exchanger tube, the heat exchange efficiency of evaporator can be improved, and can also reduce evaporation after heat exchange efficiency raising The charging amount of device inner refrigerant.In addition the dispensing arrangement is compact, and processing technology is simple, it is convenient to it is mounted in evaporator, It is also cost-saved.
Handpiece Water Chilling Units according to the present invention include according to the above-mentioned evaporator of the present invention.
Handpiece Water Chilling Units according to the ... of the embodiment of the present invention can be improved efficiency, reduce refrigerant by the way that above-mentioned evaporator is arranged Charging amount.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is 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 level-one 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 of three-level distribution shell according to an embodiment of the invention;
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 corresponding embodiments;
Fig. 9 is the distribution principle figure of the distributor of Fig. 3 corresponding 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 numeral:
Evaporator 1000, inlet A, exhaust outlet C,
Distributor 100, inlet tube 1, level-one distribution pipe 2, level-one equal liquid hole 21, secondary distribution pipe group 3, two level equal liquid hole 31, secondary distribution pipe 30, three-level distribution shell 4, three-level equal liquid hole 31, take over 5, cover board 6, gas block panel 7, shell 200, heat exchanger tube 300。
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The distributor 100 that handpiece Water Chilling Units according to the ... of the embodiment of the present invention are 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 may be used in heat exchanger, with the uniform spray liquid on heat exchanger tube 300 Body.
The distributor 100 of handpiece Water Chilling Units according to the ... of the embodiment of the present invention, as shown in Figure 1, including:Inlet tube 1, level-one distribution Pipe 2 and secondary distribution pipe group 3, inlet tube 1 is vertically arranged, and level-one distribution pipe 2 is horizontally disposed, level-one distribution pipe 2 and inlet tube 1 Bottom end is connected, as shown in figure 4, level-one distribution pipe 2 is axially arranged with multiple level-one equal liquid holes 21 along it.3 water of secondary distribution pipe group Flat to be arranged in the lower section of level-one 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 a level-one equal liquid hole 21.As shown in figure 5, each secondary distribution pipe 30 is more equipped with being axially arranged along it A two level equal liquid hole 31.
After liquid flows into inlet tube 1, is influenced liquid by gravity and flowed downwardly into automatically in level-one distribution pipe 2.Due to 2 general horizontal of level-one distribution pipe is arranged, and the liquid of inflow can be distributed to the entire pipe range region of level-one distribution pipe 2, and liquid can divide It is not flowed out from multiple level-one equal liquid holes 21 so that the liquid in level-one distribution pipe 2 can be distributed evenly to multiple secondary distribution pipes 30 Interior, distributor 100 realizes primary equal liquid.
After the liquid flowed out from level-one distribution pipe 2 is flowed to respectively in multiple secondary distribution pipes 30, due to each secondary distribution 30 general horizontal of pipe is arranged, and the liquid flowed into each secondary distribution pipe 30 can be distributed to the entire pipe range region of the pipe, and liquid can It is flowed out respectively from multiple two level equal liquid holes 31 of the pipe.As shown in fig. 7, the setting of multiple secondary distribution pipes 30 so that two fractions Piping group 3 can be provided with multiple two level equal liquid holes 31 transversely, along longitudinal direction where pipe group in entire plane so that distributor 100, which can be evenly distributed to liquid in discharge, distributor 100 at multiple two level equal liquid holes 31, realizes secondary equal liquid.
The distributor 100 of handpiece Water Chilling Units according to the ... of the embodiment of the present invention, by the way that level-one distribution pipe 2 and secondary distribution pipe is arranged Group 3, liquid uniformly can be discharged at multiple two level equal liquid holes 31,100 distribution effects of distributor is good, and is set by this Meter, reduces distribution resistance, and 100 pressure loss of distributor is smaller.In addition, distributor 100 is compact-sized, processing technology is simple, system Make convenient and efficient, no Special complex technological requirement can be mass-produced, not only easy for installation, 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 component or element with the same 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, inlet tube 1, level-one distribution pipe 2 and each secondary distribution pipe 30 are round straight tube, such processing cost It is relatively low.
Wherein, inlet tube 1 is vertically arranged, and level-one distribution pipe 2 is located at the bottom end of inlet tube 1, and 2 level of level-one distribution pipe is set It sets, level-one distribution pipe 2 and inlet tube 1 are perpendicular, and the tie point of inlet tube 1 and level-one distribution pipe 2 is located at the pipe of level-one distribution pipe 2 Long middle.Inlet tube 1 and the caliber of level-one distribution pipe 2 are larger, therefore inlet tube 1 can be with 2 company of being directly connected to of level-one distribution pipe It is logical.
In this embodiment, the cross-sectional area of level-one distribution pipe 2 is more than the cross-sectional area of inlet tube 1, in this way, level-one is distributed 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 area of the pipe or the hole on the section perpendicular to central axes, hereafter will no longer go to live in the household of one's in-laws on getting married It states.
The cross-sectional area of level-one distribution pipe 2 is less than three times of the cross-sectional area equal to inlet tube 1, limits a fraction in this way The cross-sectional area of piping 2, it is ensured that the liquid flowed into from inlet tube 1 can be assigned to the whole pipe range of level-one distribution pipe 2 as soon as possible In region.
In embodiment one, multiple secondary distribution pipes 30 are arranged along the length direction of level-one distribution pipe 2 in secondary distribution pipe group 3 Row, in the same plane, each secondary distribution pipe 30 is horizontally disposed, each two fraction for multiple 30 parallel arrangements of secondary distribution pipe Piping 30 is perpendicular with level-one distribution pipe 2.The level-one equal liquid hole 21 of level-one distribution pipe 2 corresponds to the pipe range in secondary distribution pipe 30 Middle.
In this embodiment, as shown in figure 4, the bottom of level-one distribution pipe 2 is equipped with row's level-one equal liquid hole 21, multiple level-ones Axial direction evenly-spaced setting of the equal liquid hole 21 along level-one distribution pipe 2.As shown in figure 5, the bottom of each secondary distribution pipe 30 Equipped with row's two level equal liquid hole 31, multiple two level equal liquid holes 31 are opened up along the axial uniform intervals of corresponding secondary distribution pipe 30 It sets.In this way, in secondary distribution pipe 30 can form the two level equal liquid hole 31 of multiple rows of multiple row in the plane.
In this embodiment, after liquid being distributed to multiple secondary distribution pipes 30 due to level-one distribution pipe 2, each two level Liquid mass flow reduces in distribution pipe 30, therefore, in order to ensure that the liquid flowed into can be distributed in whole pipe range, each secondary distribution pipe 30 caliber should not be too large.In Fig. 1 it can clearly be seen that the caliber of each secondary distribution pipe 30 is much smaller than level-one distribution pipe 2 caliber.
Since the caliber of secondary distribution pipe 30 is smaller, the import of secondary distribution pipe 30 is again larger, and secondary distribution pipe 30 can not Directly it is connected with level-one distribution pipe 2, therefore each secondary distribution pipe 30 passes through take over 5 and level-one distribution pipe 2 in the embodiment It is connected.Wherein, the length of take over 5 is less than or equal to three times of diameter of secondary distribution pipe 30, to avoid excessive liquid is detained in take over 5 Body, to reduce liquid fill amount in distributor 100.
In this embodiment, the tube chamber volume of level-one distribution pipe 2 is V1, the sum of the tube chamber volume of multiple secondary distribution pipes 30 For V2, the two meets relationship:V1<V2≤2·V1.In this way, it is ensured that level-one distribution pipe 2 is flowed into secondary distribution pipe group 3 Liquid can be full of in all secondary distribution pipes 30 substantially, be further ensured that the uniformity of distribution.
In addition, in this embodiment, the level-one equal liquid hole 21 opened up in level-one distribution pipe 2, the cross-sectional area in the hole is little In 3 times of the cross-sectional area of inlet tube 1.
Multiple two level equal liquid holes 31 are provided on each secondary distribution pipe 30, the cross-sectional area in the hole is no more than inlet 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 in the structure with embodiment one of distributor 100 in embodiment two, two realities Applying a same section, which is not described herein again.
The difference is that in embodiment two, as shown in Figures 2 and 3, distributor 100 further includes:Three-level distributes shell 4, Three-level distribution cavity is limited in three-level distribution shell 4, three-level distribution cavity is connected with the two level equal liquid hole 31 of secondary distribution pipe group 3 It is logical.As shown in fig. 6, the bottom wall of three-level distribution shell 4 is equipped with multiple three-level equal liquid holes 41.In this way, multiple two level equal liquid holes 31 The liquid of outflow flows in three-level distribution cavity, and then the equably discharge out of multiple three-level equal liquid holes 41, distributor 100 realize three The equal liquid of grade, to further increase the uniformity of the distribution of distributor 100.
In figure 6, three-level distribution shell 4 bottom wall be equipped with transversely with the equal liquid of three-level of multiple rows of multiple row of longitudinal arrangement Hole 41, multiple three-level equal liquid holes 41 are covered with entire shell, and distribution area is big.
In embodiment two, as shown in Figures 2 and 3, level-one distribution pipe 2 and secondary distribution pipe group 3 are each provided at three-level distribution In shell 4, inlet tube 1 passes through the roof of three-level distribution shell 4 to extend into three-level distribution cavity.
In figure 2 and figure 3, three-level distribution shell 4 is formed as Rectangular shell, and level-one distribution pipe 2 is parallel to the length of Rectangular shell The pipe range on side, level-one distribution pipe 2 is substantially equivalent to the length of Rectangular shell.Secondary distribution pipe 30 is parallel to the width edge of rectangular tube, and two The pipe range of grade distribution pipe 30 is substantially equivalent to the width of Rectangular shell.
In the same plane, multiple secondary distribution pipes 30 distribute the bottom of shell 4 with three-level for multiple arrangements of secondary distribution pipe 30 The space limited between wall is used for the liquid that access is flowed out from two level equal liquid hole 31, which is also required to be limited.
Assuming that the spatial volume limited between multiple secondary distribution pipes 30 and the bottom wall of three-level distribution shell 4 is V3, it is multiple The sum of tube chamber volume of secondary distribution pipe 30 is V2, and the two meets relationship:V2<V3≤2·V2.It is fast to may advantageously facilitate liquid in this way Speed is equably discharged from multiple three-level equal liquid holes 41.
In addition, the bottom of secondary distribution pipe 30 and the distance between the bottom wall of three-level distribution shell 4 are not more than 30mm, in this way Three-level can be flowed directly to also for the liquid that guarantee is flowed out from two level equal liquid hole 31 to distribute on the bottom wall of shell 4, avoid liquid It splashes, be detained.
100 structure of distributor 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, inlet tube 1 is one, but in other embodiments of the present invention, inlet tube 1 can also be set Have multiple.In addition, each inlet tube 1 and the tie point of level-one distribution pipe 2 are not limited on the interlude of level-one distribution pipe 2, also may be used To be arranged as required to tie point.Equally, the level-one equal liquid hole 21 of level-one 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, inlet tube 1, level-one 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 cross-sectional shape of above-mentioned tubular body can be set as needed It sets, is also not construed as limiting here.
In addition, the level-one equal liquid hole 21 in level-one distribution pipe 2, can be any shape hole, such as square hole, circular hole;Two Two level equal liquid hole 31 in grade distribution pipe 30, can be the hole of any shape;Three-level distributes the three-level equal liquid hole 41 on shell 4, It can be the hole of any shape.
The structure of evaporator 1000 according to the ... of the embodiment of the present invention is described below with reference to Fig. 1-Figure 11.
Evaporator 1000 according to the ... of the embodiment of the present invention, as shown in Figure 10 and Figure 11, evaporator 1000 include 200 He of shell For the heat exchanger tube 300 for the coolant liquid that circulates, heat exchanger tube 300 is located in shell 200, and evaporator 1000 further includes distributor 100, point Orchestration 100 is located in shell 200, and distributor 100 is arranged in 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 which is not described herein again by above-described embodiment.
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, uniformly spray is on heat exchanger tube 300.
Evaporator 1000 according to the ... of the embodiment of the present invention divides equally refrigerant by the way that distributor 100 is arranged, can reduce distribution resistance Power ensures that refrigerant fully exchanges heat with heat exchanger tube 300, the heat exchange efficiency of evaporator 1000 can be improved, and heat exchange efficiency improves The charging amount of 1000 inner refrigerant of evaporator can be also reduced afterwards.In addition the distributor 100 is compact-sized, and 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 of description embodiment two is applied in evaporator 1000 When evaporator 1000 structure and working principle.The assembling process of distributor 100 can be by the assembly 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, is divided Orchestration 100 and heat exchanger tube 300 are each provided in shell 200.Refrigerant walks shell side in the evaporator 1000, and coolant liquid walks tube side.Its In, shell 200 is equipped with inlet A and exhaust outlet C, and inlet A and exhaust outlet C are each provided on the roof of shell 200.It needs Bright, the position of inlet A and exhaust outlet C can be in the axial any positions of shell 200.
In this embodiment, distributor 100 includes mainly:Inlet tube 1, level-one distribution pipe 2, secondary distribution pipe group 3, three-level Distribute shell 4, cover board 6 and gas block panel 7.
Wherein, for the cooperation of inlet tube 1 in the inlet A of shell 200, the refrigerant liquid being discharged into from inlet A is directly logical Inlet tube 1 is crossed to enter in distributor 100.
In this embodiment, three-level distribution shell 4 includes the open box body and cover board 6 in top, and the lid of cover board 6 is closed in box body Top is to close three-level distribution cavity.Level-one distribution pipe 2 and secondary distribution pipe group 3 are each provided in three-level distribution cavity, wherein a fraction Piping 2 is located at the top of secondary distribution pipe group 3, and level-one distribution pipe 2 and each secondary distribution pipe 30 are perpendicular, secondary distribution pipe 30 are connected to each secondary distribution pipe 30 by take over 5.Inlet tube 1 is extend into after passing through cover board 6 in three-level distribution cavity, inlet tube 1 bottom end is connected with level-one distribution pipe 2.The both sides of cover board 6 be equipped with gas block panel 7, distributor 100 by gas block panel 7 and into Liquid pipe 1 is fixedly connected with the shell 200 of evaporator 1000.
Wherein, gas block panel 7 is equipped with air hole, 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, air hole can also be arranged in being located on the part in 4 outside of three-level distribution shell for cover board 6.Gas block panel 7 and cover board There is air hole on 6, can be the aperture of any shape.
In this embodiment, the tube chamber of inlet tube 1 is connected with the tube chamber of level-one distribution pipe 2, the tube chamber of level-one distribution pipe 2 It is connected respectively with the tube chamber of multiple secondary distribution pipes 30 by multiple level-one equal liquid holes 21, the tube chamber of each secondary distribution pipe 30 It is connected with three-level distribution cavity by two level equal liquid hole 31 thereon.
The tube chamber of level-one 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 1000 cavity of evaporator by three-level equal liquid hole 41, equal liquid process is carried out in the cavity being connected at three.
Equal liquid complete procedure is as follows three times for distributor 100:1, the equal liquid of level-one:The low temperature and low pressure liquid flowed into from condenser After expansion, into inlet tube 1, subsequently into level-one distribution pipe 2, liquid passes through multiple one in level-one distribution pipe 2 Grade equal liquid hole 21 completes equal liquid for the first time;2, the equal liquid of two level:The liquid flowed out from level-one distribution pipe 2, by multiple take overs 5 Afterwards, it flows into multiple secondary distribution pipes 30, the extending direction of secondary distribution pipe 30 mutually hangs down with the extending direction of level-one distribution pipe 2 Directly, the liquid flowed into secondary distribution pipe 30 passes through secondary equal liquid, uniform by the two level equal liquid hole 31 on secondary distribution pipe 30 Outflow flows into three-level distribution cavity;3, the equal liquid of three-level:The liquid flowed out from secondary distribution pipe 30 distributes shell 4 into three-level In, three-level equal liquid hole 41 is distributed on three-level distribution shell 4, fluid is uniformly flowed out from three-level equal liquid hole 41, realizes third time Equal liquid.The above equal sap cavity bodies at different levels, fluid channel separation, will not gang up mixing.
Liquid is all uniformly distributed lateral, longitudinal after equal liquid three times, is flowed on the heat exchanger tube 300 of evaporator 1000, and change After the heat exchange of 300 internal coolant of heat pipe, refrigerant liquid forms steam, by exhaust outlet C enters compression after being passed through from gas block panel 7 In machine.
Handpiece Water Chilling Units according to the ... of the embodiment of the present invention, including evaporator 1000 above-mentioned according to embodiments of the present invention.
Handpiece Water Chilling Units according to the ... of the embodiment of the present invention as a result, can be improved efficiency, subtract by the way that above-mentioned evaporator 1000 is arranged The charging amount of small refrigerant.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated device or element Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two It is a or more than two.
In the description of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be machinery Connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two elements The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean combine the embodiment or Example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.At this In specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description is specific Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this The range of invention is limited by claim and its equivalent.

Claims (9)

1. a kind of distributor of handpiece Water Chilling Units, which is characterized in that including:
Inlet tube, the inlet tube are vertically arranged;
Level-one distribution pipe, the level-one distribution pipe is horizontally disposed, and the level-one distribution pipe is connected with the bottom end of the inlet tube, The level-one distribution pipe is axially arranged with multiple level-one equal liquid holes along it;
Secondary distribution pipe group, the secondary distribution pipe group are horizontally set on the lower section of the level-one distribution pipe, the secondary distribution Pipe group includes multiple secondary distribution pipes, and each secondary distribution pipe is at least connected with a level-one equal liquid hole, each The secondary distribution pipe is equipped with the multiple two level equal liquid holes being axially arranged along it, and each secondary distribution Guan Jun is by taking over It is connected with the level-one distribution pipe, the length taken over is less than or equal to three times of the diameter of the secondary distribution pipe.
2. the distributor of handpiece Water Chilling Units according to claim 1, which is characterized in that further include:Three-level distributes shell, described Three-level distribution cavity, the equal liquid of the two level of the three-level distribution cavity and the secondary distribution pipe group are limited in three-level distribution shell Hole is connected, and the bottom wall of the three-level distribution shell is equipped with multiple three-level equal liquid holes.
3. the distributor of handpiece Water Chilling Units according to claim 1, which is characterized in that the inlet tube is distributed with the level-one Pipe vertical connection, each level-one distribution pipe described in the secondary distribution Guan Junyu is perpendicular.
4. the distributor of handpiece Water Chilling Units according to claim 1, which is characterized in that the cross-sectional area of the level-one distribution pipe Less than or equal to three times of the cross-sectional area of the inlet tube.
5. the distributor of handpiece Water Chilling Units according to claim 1, which is characterized in that the tube chamber volume of the level-one distribution pipe For V1, the sum of the tube chamber volume of the multiple secondary distribution pipe is V2, and the two meets relationship:V1<V2≤2·V1.
6. the distributor of handpiece Water Chilling Units according to claim 2, which is characterized in that the level-one distribution pipe and the two level Distribution pipe group is each provided in the three-level distribution shell, and the inlet tube passes through the roof of three-level distribution shell to extend into institute It states in three-level distribution cavity.
7. the distributor of handpiece Water Chilling Units according to claim 6, which is characterized in that the bottom of the secondary distribution pipe and institute The distance between the bottom wall for stating three-level distribution shell is not more than 30mm.
8. a kind of evaporator, the evaporator includes shell and the heat exchanger tube for the coolant liquid that circulates, and the heat exchanger tube is located at institute It states in shell, which is characterized in that the evaporator further includes distributor, and the distributor is arranged in the shell and is located 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 1-7.
9. a kind of handpiece Water Chilling Units, which is characterized in that including evaporator according to claim 8.
CN201611040440.5A 2016-11-21 2016-11-21 Distributor, evaporator and handpiece Water Chilling Units Active CN106766407B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611040440.5A CN106766407B (en) 2016-11-21 2016-11-21 Distributor, evaporator and handpiece Water Chilling Units

Applications Claiming Priority (1)

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
CN106766407A CN106766407A (en) 2017-05-31
CN106766407B true CN106766407B (en) 2018-08-07

Family

ID=58974465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611040440.5A Active CN106766407B (en) 2016-11-21 2016-11-21 Distributor, evaporator and handpiece Water Chilling Units

Country Status (1)

Country Link
CN (1) CN106766407B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108844258B (en) * 2018-07-25 2021-05-04 珠海格力电器股份有限公司 Evaporator and air conditioning unit
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
CN109780763B (en) * 2019-02-27 2020-11-20 上海热泰能源技术有限公司 Dual-purpose distributor
CN113758056B (en) * 2021-09-28 2022-12-09 西安交通大学 Shell-and-tube heat exchanger with refrigerant distribution device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028666A (en) * 1988-06-24 1990-01-12 Furukawa Electric Co Ltd:The Coolant distributor
CN102252468A (en) * 2011-06-27 2011-11-23 四川同达博尔置业有限公司 Refrigerant distributor of falling film evaporator
CN202133192U (en) * 2011-04-29 2012-02-01 重庆美的通用制冷设备有限公司 Refrigerant liquid distributing device for falling film evaporator
CN202328950U (en) * 2011-11-21 2012-07-11 广州联合冷热设备有限公司 Liquid distributing mechanism
CN103673420A (en) * 2012-09-14 2014-03-26 约克(无锡)空调冷冻设备有限公司 Refrigerant distributor used in falling film evaporator and falling film evaporator
CN203908118U (en) * 2014-04-24 2014-10-29 珠海格力电器股份有限公司 Uniform distribution device and falling-film evaporator, as well as water chilling unit
CN204115315U (en) * 2013-08-14 2015-01-21 英格索兰(中国)工业设备制造有限公司 Refrigerant distributor and HVAC system
CN204214172U (en) * 2014-10-13 2015-03-18 堃霖冷冻机械(上海)有限公司 A kind of cold-producing medium distribution structure of downward film evaporator
CN105387653A (en) * 2015-12-21 2016-03-09 重庆美的通用制冷设备有限公司 Evaporator and water chilling unit having same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10041712B2 (en) * 2014-09-29 2018-08-07 Hitachi-Johnson Controls Air Conditioning, Inc. Refrigerant distributor and refrigeration cycle device equipped with the refrigerant distributor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH028666A (en) * 1988-06-24 1990-01-12 Furukawa Electric Co Ltd:The Coolant distributor
CN202133192U (en) * 2011-04-29 2012-02-01 重庆美的通用制冷设备有限公司 Refrigerant liquid distributing device for falling film evaporator
CN102252468A (en) * 2011-06-27 2011-11-23 四川同达博尔置业有限公司 Refrigerant distributor of falling film evaporator
CN202328950U (en) * 2011-11-21 2012-07-11 广州联合冷热设备有限公司 Liquid distributing mechanism
CN103673420A (en) * 2012-09-14 2014-03-26 约克(无锡)空调冷冻设备有限公司 Refrigerant distributor used in falling film evaporator and falling film evaporator
CN204115315U (en) * 2013-08-14 2015-01-21 英格索兰(中国)工业设备制造有限公司 Refrigerant distributor and HVAC system
CN203908118U (en) * 2014-04-24 2014-10-29 珠海格力电器股份有限公司 Uniform distribution device and falling-film evaporator, as well as water chilling unit
CN204214172U (en) * 2014-10-13 2015-03-18 堃霖冷冻机械(上海)有限公司 A kind of cold-producing medium distribution structure of downward film evaporator
CN105387653A (en) * 2015-12-21 2016-03-09 重庆美的通用制冷设备有限公司 Evaporator and water chilling unit having same

Also Published As

Publication number Publication date
CN106766407A (en) 2017-05-31

Similar Documents

Publication Publication Date Title
CN106766407B (en) Distributor, evaporator and handpiece Water Chilling Units
US9541314B2 (en) Heat exchanger
US20150285520A1 (en) Air Conditioning System with Multiple-Effect Evaporative Condenser
CN103727707A (en) Full-falling-film evaporator with double refrigerant distribution devices
CN106512454B (en) A kind of shell-and-tube type falling film evaporator and water cooler
WO2009017042A1 (en) Refrigerant evaporator
US20160341457A1 (en) Refrigerant distributor for falling film evaporator
CN103604254B (en) A kind of built-in biphase gas and liquid flow flow dividing structure
CN107356017A (en) Downward film evaporator liquid distributor
CN105783347B (en) Downward film evaporator refrigerant distributor
CN101846420A (en) Refrigeration equipment
CN202328950U (en) Liquid distributing mechanism
CN106322849B (en) Heat exchanger structure
CN206449940U (en) Falling-film heat exchanger
CN106895611A (en) A kind of distribution method of dry evaporator and refrigerant
CN105299966B (en) Micro-channel heat exchanger and air-conditioning
CN203586618U (en) Dry type evaporator
CN201697408U (en) Refrigerating equipment
CN204100650U (en) Parallel-flow heat exchanger and air-conditioner
CN207769231U (en) A kind of liquid resin falling film evaporator
CN203687461U (en) Full falling film evaporator with double refrigerant distributing devices
CN208720576U (en) Heat exchanger and air conditioner with it
WO2017088772A1 (en) Refrigerant evaporator of no-circulation pump of absorption type refrigeration unit, refrigeration unit and matrix
CN207649169U (en) Heat exchanger and air conditioner with it
CN207881288U (en) Liquid distributor suitable for horizontal pipe falling film evaporator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant