CN103925747B - Flooded evaporator and there is the Water-cooling type air conditioner unit of this evaporimeter - Google Patents
Flooded evaporator and there is the Water-cooling type air conditioner unit of this evaporimeter Download PDFInfo
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- CN103925747B CN103925747B CN201310016670.8A CN201310016670A CN103925747B CN 103925747 B CN103925747 B CN 103925747B CN 201310016670 A CN201310016670 A CN 201310016670A CN 103925747 B CN103925747 B CN 103925747B
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Abstract
The invention provides a kind of flooded evaporator and there is the Water-cooling type air conditioner unit of this evaporimeter.Flooded evaporator includes: housing；Gas outlet, is arranged on housing；The ventilative liquid barrier relative with gas outlet it is provided with in housing, the side of ventilative liquid barrier and the inwall of housing are connected together to the air chamber that is positioned at above ventilative liquid barrier and are positioned at the gas-liquid mixed chamber below ventilative liquid barrier, and the cross section of ventilative liquid barrier is with the axis of gas outlet for axle symmetrically shape.The flooded evaporator that the present invention provides utilizes ventilative liquid barrier to prevent flooded evaporator to be in the liquid refrigerants splash when rocking state in gas outlet enters into compressor, and, the cross section of ventilative liquid barrier is with the axis of gas outlet for axle symmetrically shape, the gas that can be guaranteed at gas-liquid mixed chamber under the state of rocking flows uniformly across ventilative liquid barrier entrance gas outlet, improves the air-conditioning system with flooded evaporator and waves security and the stability of application in environment at boats and ships etc..
Description
Technical field
The present invention relates to air-conditioning system field, especially, relate to a kind of flooded evaporator and there is the water-cooled sky of this evaporimeter
Adjust unit.
Background technology
At present, the flooded evaporator in refrigeration system is all to be designed according to the use condition of land, if directly should
It is used in boats and ships etc. and waves in the environment rocked, easily cause the liquid refrigerants within flooded evaporator acutely to rock, on the one hand,
Liquid refrigerants easily enters in compressor through the gas outlet of evaporimeter, and the safe and stable operation of compressor is caused serious prestige
The side of body；On the other hand, liquid refrigerants rocks to a direction, makes major part heat exchanger tube not flooded by liquid refrigerants, greatly reduces steaming
Sending out the heat exchange area of device, and also result in liquid refrigerant temperature change acutely, steam unit is difficult to stable, pacifies steam unit
Full property also has the biggest harm.
In prior art, in order to avoid flooded evaporator unstability under environment peculiar to vessel, most marine air conditioner dresses
Put and all have selected use dry evaporator, but dry evaporator evaporates not as good as full-liquid type far away in terms of heat exchange efficiency and efficiency
Device.Simultaneously for large-size air conditioning equipment, if using dry evaporator to make, unit volume is huge, weight is the heaviest,
This equipment will be a selection the most disadvantageous for one for space and load-carrying require harsh ship.
Therefore, it is necessary to provide a kind of can be suitable for the flooded evaporator that boats and ships etc. rock the environment of swing.
Summary of the invention
Present invention aim at a kind of flooded evaporator being provided and there is the Water-cooling type air conditioner unit of this evaporimeter, existing to solve
Flooded evaporator is in boats and ships etc. and waves the safety and stability performance causing air-conditioner set in environment owing to liquid refrigerants acutely rocks
The technical problem declined.
For achieving the above object, according to an aspect of the invention, it is provided a kind of flooded evaporator, including: housing；Go out
Gas port, is arranged on housing, is provided with the ventilative liquid barrier relative with gas outlet in housing, the side of ventilative liquid barrier and housing
Inwall be connected together to be positioned at the air chamber above ventilative liquid barrier and be positioned at the gas-liquid mixed chamber below ventilative liquid barrier, and thoroughly
The cross section of gas liquid barrier is with the axis of gas outlet for axle symmetrically shape.
Further, ventilative liquid barrier includes: main liquid barrier, upper surface and the axis perpendicular of gas outlet；Side liquid barrier, if
Put in the both sides of main liquid barrier and respectively and form the exhaust space higher than main liquid barrier, gas-liquid mixed chamber bag between the inwall of housing
Include exhaust space and the gaseous coolant rising space less than main liquid barrier, side liquid barrier is provided with ventilative breach and/or air-vent.
Further, the outer side edges that side liquid barrier is connected with housing being formed with ventilative breach, side liquid barrier is positioned at both sides, gas outlet
Region be provided with air-vent, on main liquid barrier with gas outlet just to region be provided with main air-vent.
Further, the inwall of housing being provided with the circumferentially disposed gear liquid frame along housing, gear liquid frame is arranged on ventilative liquid barrier
Lower section.
Further, gear liquid frame includes: transverse gear liquid frame, is symmetricly set on the two ends of housing；Longitudinally gear liquid frame, along housing
Length direction is symmetrically disposed on the inwall of housing, and longitudinally the inside edge of gear liquid frame is provided with downward-sloping backflow limit.
Further, it is provided with gas-liquid separator between ventilative liquid barrier and gear liquid frame.
Further, gas-liquid separator includes gas-liquid filter net and the stainless steel cloth being stacked.
Further, housing is additionally provided with inlet, inlet be provided above liquid-distributing plate, liquid-distributing plate is arranged equably
There is multiple through hole.
Further, liquid-distributing plate includes: front liquid-distributing plate, and lower surface is vertical with the axis of inlet；Side liquid-distributing plate, symmetrical
Be arranged on front liquid-distributing plate both sides and respectively the inwall with housing that radially or tangentially extends obliquely to along housing be connected.
Further, it is additionally provided with in housing: multiple heat exchange tube supporting plates, is vertically placed equidistant with the length direction of housing；
Demarcation strip, the length direction along housing is arranged in each section being divided into by heat exchange tube supporting plate, so that each section is formed
At least two separates interval.
Further, heat exchange tube supporting plate and demarcation strip be provided with multiple through hole being evenly arranged, and heat exchange tube supporting plate and
Described demarcation strip is respectively positioned on the top of liquid-distributing plate.
According to another aspect of the present invention, additionally providing a kind of Water-cooling type air conditioner unit, this unit includes evaporimeter, this evaporation
Device is above-mentioned flooded evaporator.
The method have the advantages that
The invention provides a kind of flooded evaporator and have the Water-cooling type air conditioner unit of this evaporimeter, this flooded evaporator exists
In housing, the position relative with gas outlet is provided with ventilative liquid barrier, and the side of this ventilative liquid barrier is connected with the inwall of housing with shape
Become to be positioned at air chamber above ventilative liquid barrier and be positioned at the gas-liquid mixed chamber below ventilative liquid barrier, and ventilative liquid barrier is transversal
Face is with the axis of gas outlet for axle symmetrically shape.The flooded evaporator that the present invention provides utilizes ventilative liquid barrier to be prevented from full liquid
Formula evaporimeter is in the liquid refrigerants splash when rocking state in gas outlet enters into compressor, and, ventilative liquid barrier
Cross section is with the axis of gas outlet for axle symmetrically shape, it is possible to be guaranteed at the gas in gas-liquid mixed chamber under the state of rocking equably
Enter gas outlet through ventilative liquid barrier, and when being prevented from acutely rocking, liquid refrigerants pours into the side of housing.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
Will be with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the right TV structure schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the axle geodesic structure schematic diagram of the preferred embodiment of the present invention；
Fig. 4 is the gear liquid frame right TV structure schematic diagram of the preferred embodiment of the present invention；And
Fig. 5 is the gear liquid frame plan structure schematic diagram of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
As depicted in figs. 1 and 2, present invention firstly provides a kind of flooded evaporator, this flooded evaporator can overcome existing
Have flooded evaporator peculiar to vessel or marine air conditioner device flooded evaporator interior liquid cold-producing medium rock the peace to air-conditioning device
The defect that full stable operation constitutes a threat to.This flooded evaporator includes housing 10 and arranges gas outlet 11 on the housing 10,
Housing 10 is cylindrical shell, and two ends are all welded with tube sheet 15, and the tail end of tube sheet connects hydroecium 17, housing 10 internally installed
Having heat exchanger tube, the two ends of heat exchanger tube expanded joint respectively is on the tube sheet 15 at housing 10 two ends.In order to prevent the liquid within evaporimeter
Refrigerant be in rock state time liquid level acute variation, and further function as the effect that gear liquid is ventilative, be provided with in housing 10
The ventilative liquid barrier 30 relative with gas outlet 11, the side of this ventilative liquid barrier 30 is connected together to be positioned at the inwall of housing 10
Air chamber A above ventilative liquid barrier 30 and be positioned at the gas-liquid mixed chamber B below ventilative liquid barrier 30, and ventilative liquid barrier 30
Cross section with the axis of gas outlet 11 for axle symmetrically shape.Utilize ventilative liquid barrier 30 to be prevented from flooded evaporator to be in and shake
The liquid refrigerants splash during rolling state in gas outlet enters into compressor, and, the cross section of ventilative liquid barrier 30 is to give vent to anger
The axis of mouth 11 is axle symmetrically shape, it is possible to the gas being guaranteed at gas-liquid mixed chamber under the state of rocking flows uniformly across ventilative gear
Liquid plate enters gas outlet, and when being prevented from acutely rocking, liquid refrigerants pours into the side of housing.
It practice, ventilative liquid barrier 30 can extend to the two ends of housing 10 along the length direction of housing 10.Ventilative liquid barrier 30
Can arrange abreast along the static liquid level of the liquid refrigerants of pre-implant, to ensure that the gaseous coolant in liquid refrigerants can be from liquid
The Free Surface of state refrigerant is discharged equably, and, once occurring acutely to rock, the ventilative liquid barrier 30 so arranged can also
Limit liquid refrigerants to a certain extent rocks amplitude, it is ensured that most of heat exchanger tube can be flooded by liquid refrigerants, reduces
Rock the rate of change of heat exchange area under environment, make the leaving water temperature of chilled water in heat exchanger tube be maintained in stability range, and can be right
Liquid refrigerants separates with gaseous coolant, prevents liquid refrigerants from entering in compressor through gas outlet 11.
As it is shown on figure 3, specifically, ventilative liquid barrier 30 includes main liquid barrier 31 and the both sides being arranged on main liquid barrier 31
Side liquid barrier 33, the upper surface of main liquid barrier 31 and the axis perpendicular of gas outlet 11, the upper surface of the most main liquid barrier 31 is the most right
Gas outlet 11, the two ends of ventilative liquid barrier 30 extend respectively to the inner side of the tube sheet 15 at the two ends of housing 10；In order to both play
Can stop that liquid refrigerants ensure that again the effect that liquid refrigerants is effectively discharged, main liquid barrier 31 entirety except with gas outlet 11
Just to be partially provided with main air-vent 31a outside, be closure plane.Ventilative lacking then it is provided with on the side liquid barrier 33 of both sides
Mouth 33a and air-vent 33c, and, the side liquid barrier 33 of both sides respectively and is formed higher than main liquid barrier between the inwall of housing 10
The exhaust space B1 of 31, is the gaseous coolant rising space less than the space between main liquid barrier 31 to the Free Surface of liquid refrigerants
B2, above-mentioned gas-liquid mixed chamber B include being positioned at the gaseous coolant rising space B2 above the Free Surface of liquid refrigerants and exhaust sky
Between B1.Ventilative breach 33a or air-vent 33c can be only set on side liquid barrier 33, it is also possible to both are arranged simultaneously, when both
When arranging simultaneously, ventilative breach 33a can be set in the outer side edges that side liquid barrier 33 is connected with the inwall of housing 10, and leaning on
The region of nearly gas outlet 11 arranges multiple air-vent 33c, because the area of air-vent 33c is less, can promote the effect of gear liquid,
Prevent from liquid refrigerants from pouring gas outlet 11 directly below from gas outlet 11 to enter compressor and cause liquid hit phenomenon, to improve unit fortune
The reliability of row and security.Ventilative liquid barrier 30 1 aspect of this full-length is possible to prevent liquid refrigerants giving vent to anger through evaporimeter
Mouthfuls 11 enter in compressor, be on the other hand possible to prevent again liquid refrigerants to rock to a direction and make major part heat exchanger tube not by
The situation that liquid refrigerants floods occurs；And, the flowing of liquid refrigerants can either be limited by this ventilative liquid barrier, again can
Ensure that the gas in liquid refrigerants is discharged, further liquid refrigerants is separated with gaseous coolant, improve and there is flooded evaporator
Air-conditioning system waves security and the stability of application in environment at boats and ships etc..
As shown in Figure 4 and Figure 5, owing to liquid refrigerants is when rocking, the liquid level change of edge is the most violent, produced
Wave is maximum, in order to reduce the shaking amplitude of liquid refrigerants edge, the inwall of housing 10 arranges the inwall of oriented housing 10
On be provided with the circumferentially disposed gear liquid frame 50 along housing 10, this gear liquid frame 50 is arranged on the lower section of ventilative liquid barrier 30 permissible
Surface near liquid refrigerants.
Gear liquid frame 50 includes transverse gear liquid frame 51 and longitudinally keeps off liquid frame 53, and transverse gear liquid frame 51 is symmetricly set on the two of housing 10
End；Longitudinally gear liquid frame 53 is symmetrically disposed on the inwall of housing 10 along the length direction of housing 10.Transverse gear liquid frame 51 He
Longitudinally gear liquid frame 53 can be an entirety, it is also possible to be Split type structure, when both are Split type structures, and two transverse gear liquid frames
51 and two longitudinally gear liquid frames 53 may be at again same plane, it is also possible to be in different planes, and both can also adopt
With different materials.
Longitudinally the inside edge of gear liquid frame 53 is provided with downward-sloping backflow limit 55.Between backflow limit 55 and longitudinally gear liquid frame 53
Angle could be arranged to 135 °.When liquid refrigerants rocks gear liquid frame 50, frame can effectively stop the further liter of liquid level
Height, meanwhile, longitudinally worst, the backflow limit 55 of gear liquid frame 53 can wave that (rolling 45 °) under environment is bootable rocks
The liquid refrigerants come up returns to evaporimeter bottom along this limit.
For the purpose further functioning as liquid, gas separates, between ventilative liquid barrier 30 and gear liquid frame 50, it is provided with gas-liquid separator
40.This gas-liquid separator 40 includes that gas-liquid filter net and the stainless steel cloth being stacked, gas-liquid filter net and stainless steel cloth respectively can
To be spliced to form by polylith, it is welded on the most again on the tube sheet 15 at housing 10 inwall and housing 10 two ends, by evaporimeter bottom liquid
State refrigerant space and gaseous coolant space, top efficiently separate, it is ensured that the gaseous coolant of all entrance compressor air suction pipelines all by
Gas-liquid filteration net filtration, further ensure that in compressor air suction without liquid refrigerants.It practice, gear liquid frame 50, gas-liquid separation
Device 40 and ventilative liquid barrier 30 progressive constitute gas-liquid separation barrier, first gear liquid frame 50 controls from bottom grid empty
Between the shaking amplitude of liquid refrigerants that rocks out, next gas-liquid separator 40 carries out gas-liquid to the refrigerant entering suction line and divides
From, it is ensured that gaseous state and liquid refrigerant efficiently separate, and ventilative liquid barrier 30 is the last barrier of the refrigerant entering suction line, right
In gaseous coolant, the liquid refrigerants of remaining carries out reduction of speed separation further.
Generally, the housing 10 of flooded evaporator is additionally provided with inlet 13, in order to prevent liquid from spraying phenomenon, inlet 13
Being provided above liquid-distributing plate 70, this liquid-distributing plate 70 is provided with multiple through hole equably, these through holes should not be too big, in order to avoid losing
Prevent the effect that liquid sprays.
The concrete structure of liquid-distributing plate 70 includes: front liquid-distributing plate 71, and lower surface is vertical with the axis of inlet 13；The equal liquid in side
Plate 73, is symmetrically disposed in both sides radially or tangentially the extending obliquely to and shell along housing 10 respectively of front liquid-distributing plate 71
The inwall of body 10 is connected.It is to say, the top of liquid-distributing plate 70 is flat front liquid-distributing plate 71, both sides are downward-sloping
Side liquid-distributing plate 73.Liquid refrigerants initially enters liquid-distributing plate 70 after entering evaporimeter internal, then enters liquid-distributing plate through through hole
The greater room on 70 tops, this liquid-distributing plate can effectively reduce the speed after liquid refrigerants enters evaporimeter, also can fully make liquid
Refrigerant more uniform entrance upper space, makes full use of heat exchanger tube heat exchange area.
Again as in figure 2 it is shown, be additionally provided with multiple heat exchanger tube being vertically placed equidistant along the length direction of housing 10 in housing 10
Gripper shoe 60.General heat exchanger tube left-right layout, a chilled water left side is entered the right side and is gone out also to enter a left side and go out in the right side.Split by heat exchange tube supporting plate 60
In each section become, demarcation strip 90 that one or more length direction along housing 10 extends is set so that shape in each section
Become at least two to separate interval, and heat exchange tube supporting plate 60 and demarcation strip 90 are respectively positioned on the top of liquid-distributing plate 70, so, just
Being that multiple less separation is interval by evaporimeter inside division, it is cold that each separation interval can effectively reduce liquid under waving environment
The amplitude of fluctuation of matchmaker, improves air-conditioning system safety and stability under rocking environment.
It practice, multiple through hole being evenly arranged all can be provided with on heat exchange tube supporting plate 60 and demarcation strip 90, in order to liquid
The flowing of state refrigerant so that ensure that when environment is relatively stable refrigerant in each segmentation interval is uniformly distributed.
Through the Comprehensive Control of above-mentioned several parts, the liquid coolant within flooded evaporator is tilting to wave the liquid level under environment
To be effectively controlled, gaseous coolant will more efficiently separate with liquid refrigerants, and then may insure that the safety of air-conditioning system is steady
Fixed operation.
According to another aspect of the present invention, additionally providing a kind of Water-cooling type air conditioner unit, this Water-cooling type air conditioner unit includes evaporation
Device, this evaporimeter is above-mentioned flooded evaporator.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a flooded evaporator, including:
Housing (10)；
Gas outlet (11), is arranged on described housing (10)；
It is characterized in that,
The ventilative liquid barrier (30) relative with described gas outlet (11), described ventilative gear it is provided with in described housing (10)
The side of liquid plate (30) is connected together to be positioned at described ventilative liquid barrier (30) top with the inwall of described housing (10)
Air chamber (A) and be positioned at the gas-liquid mixed chamber (B) of described ventilative liquid barrier (30) lower section, and described ventilative liquid barrier
(30) cross section is axle symmetrically shape with the axis of described gas outlet (11)；
Circumferentially disposed gear liquid frame (50) along described housing (10) it is provided with on the inwall of described housing (10), described
Gear liquid frame (50) is arranged on the lower section of described ventilative liquid barrier (30).
Flooded evaporator the most according to claim 1, it is characterised in that described ventilative liquid barrier (30) including:
Main liquid barrier (31), upper surface and described axis perpendicular；
Side liquid barrier (33), be arranged on described main liquid barrier (31) both sides and respectively with the inwall of described housing (10)
Between formed higher than the exhaust space (B1) of described main liquid barrier (31), described gas-liquid mixed chamber (B) includes described row
Headroom (B1) and the gaseous coolant rising space (B2) less than described main liquid barrier (31), described side liquid barrier (33)
On be provided with ventilative breach (33a) and/or air-vent (33c).
Flooded evaporator the most according to claim 2, it is characterised in that described side liquid barrier (33) and described housing (10)
Being formed with described ventilative breach (33a) in the outer side edges being connected, described side liquid barrier (33) is positioned at described gas outlet (11)
The region of both sides is provided with described air-vent (33c), described main liquid barrier (31) upper with described gas outlet (11) just to
Region is provided with main air-vent (31a).
Flooded evaporator the most according to claim 1, it is characterised in that described gear liquid frame (50) including:
Transverse gear liquid frame (51), is symmetricly set on the two ends of described housing (10)；
Longitudinally gear liquid frame (53), the length direction along described housing (10) is symmetrically disposed in the interior of described housing (10)
On wall, the inside edge of described longitudinally gear liquid frame (53) is provided with downward-sloping backflow limit (55).
Flooded evaporator the most according to claim 1, it is characterised in that described ventilative liquid barrier (30) and described gear liquid
Gas-liquid separator (40) it is provided with between frame (50).
Flooded evaporator the most according to claim 5, it is characterised in that described gas-liquid separator (40) includes being stacked
Gas-liquid filter net and stainless steel cloth.
Flooded evaporator the most according to any one of claim 1 to 6, it is characterised in that described housing (10) is upper also
Be provided with inlet (13), described inlet (13) be provided above liquid-distributing plate (70), described liquid-distributing plate (70)
On be provided with multiple through hole equably.
Flooded evaporator the most according to claim 7, it is characterised in that described liquid-distributing plate (70) including:
Front liquid-distributing plate (71), lower surface is vertical with the axis of described inlet (13)；
Side liquid-distributing plate (73), is symmetrically disposed in the both sides in described front liquid-distributing plate (71) and respectively along described housing (10)
Radially or tangentially extend obliquely to be connected with the inwall of described housing (10).
Flooded evaporator the most according to claim 7, it is characterised in that described housing is additionally provided with in (10):
Multiple heat exchange tube supporting plates (60), are vertically placed equidistant with the length direction of described housing (10)；
Demarcation strip (90), the length direction along described housing (10) is arranged on to be split by described heat exchange tube supporting plate (60)
In each section become, so that each described section forms at least two and separates interval.
Flooded evaporator the most according to claim 9, it is characterised in that described heat exchange tube supporting plate (60) and described point
Multiple through hole being evenly arranged it is provided with on dividing plate (90), and described heat exchange tube supporting plate (60) and described demarcation strip
(90) top of described liquid-distributing plate (70) it is respectively positioned on.
11. 1 kinds of Water-cooling type air conditioner units, it is characterised in that include that evaporimeter, described evaporimeter are arbitrary in claim 1 to 10
Flooded evaporator described in Xiang.
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| CN201310016670.8A CN103925747B (en) | 2013-01-16 | 2013-01-16 | Flooded evaporator and there is the Water-cooling type air conditioner unit of this evaporimeter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310016670.8A CN103925747B (en) | 2013-01-16 | 2013-01-16 | Flooded evaporator and there is the Water-cooling type air conditioner unit of this evaporimeter |
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| CN103925747B true CN103925747B (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3627072A1 (en) * | 2018-09-18 | 2020-03-25 | Daikin applied Europe S.p.A. | Cooling system |
| EP3537066A4 (en) * | 2016-11-02 | 2020-04-29 | Gree Electric Appliances, Inc. of Zhuhai | Vapour-liquid filter mesh, heat exchanger and air conditioner |
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| CN104848605B (en) * | 2015-05-19 | 2017-11-28 | 麦克维尔空调制冷(武汉)有限公司 | A kind of flooded evaporator |
| CN107062706A (en) * | 2016-12-27 | 2017-08-18 | 浙江青风环境股份有限公司 | A kind of flooded evaporator and its application method |
| CN106766391A (en) * | 2017-03-06 | 2017-05-31 | 上海悠太节能科技中心（有限合伙） | For the tank-type heat exchanger of heat pump |
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| EP3627073A1 (en) | 2018-09-18 | 2020-03-25 | Daikin applied Europe S.p.A. | Flooded evaporator |
| CN109341147A (en) * | 2018-10-15 | 2019-02-15 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with it |
| CN115265005B (en) * | 2021-04-29 | 2024-01-05 | 约克（无锡）空调冷冻设备有限公司 | Evaporator and refrigerating system using same |
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| CN103925747A (en) | 2014-07-16 |
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