CN203224070U - Liquid pouring type heat exchanger - Google Patents
Liquid pouring type heat exchanger Download PDFInfo
- Publication number
- CN203224070U CN203224070U CN 201320187356 CN201320187356U CN203224070U CN 203224070 U CN203224070 U CN 203224070U CN 201320187356 CN201320187356 CN 201320187356 CN 201320187356 U CN201320187356 U CN 201320187356U CN 203224070 U CN203224070 U CN 203224070U
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- heat exchanger
- liquid collecting
- distribution plate
- collecting distribution
- liquid
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Abstract
The utility model discloses a liquid pouring type heat exchanger. The liquid pouring type heat exchanger comprises a heat exchanger shell. Heat exchange tubes, a refrigerant distributor and a liquid collecting distributing device are arranged on the inner portion of the heat exchanger shell, a suction interface, a liquid outlet interface and an oil return interface are formed in the heat exchanger shell, and a liquid inlet interface is formed in the refrigerant distributor. The liquid pouring type heat exchanger is simple in structure, convenient to manufacture, long in service life, high in heat exchange performance due to the fact that the advantages of a liquid filling type heat exchanger and a film falling type heat exchanger are combined, small in refrigerant charging amount, high in oil return efficiency and reliability, and capable of being used as an evaporator and as a condenser according to requirements. In the process of refrigerating cycle, the liquid outlet interface is closed and is disconnected with a whole system, and at this moment the heat exchanger is used as the evaporator; in the process of heating cycle, the suction interface is used as an air inlet interface, the liquid inlet interface is closed and disconnected with the system, and at this moment the heat exchanger is used as the condenser.
Description
Technical field
The utility model relates to technical field of heat exchange device, relates to a kind of heat exchanger that is mainly used in field of air conditioning in particular.
Background technology
Common vapour compression refrigerator group comprises compressor, evaporimeter, condenser and the expansion throttling device four big basic elements of character at least.Evaporimeter and condenser are as the heat transfer component of refrigeration system, and its design is to influence one of the most critical of unit performance part.Type selecting for heat exchanger, the medium that is cooled on demand is the different of gas (as air) and liquid (as water), be the words of air as medium, the normal finned coil heat exchanger that adopts, for liquid medium, just different of general size of press heat output and performance, usually adopt five types of bushing type, plate type heat exchanger, dry evaporator, full liquid evaporimeter and falling film evaporators etc., the Chinese invention patent of application publication number CN 102003851 A, date of publication 2011.04.06 discloses and has disclosed a kind of flooded evaporator.
And in the refrigeration unit more than or equal to big cold in more than 50 standard tons, adopt dry evaporator usually, in recent years, world energy sources crisis and environmental problem are serious day by day, full liquid and falling film evaporator since its higher heat exchange property its use more and more widely.The advantage of flooded evaporator is simple in structure, and performance is higher and stable, but refrigerant charge is very big and the oil return difficulty is big.The advantage of falling film evaporator also can significantly reduce charging amount except the heat exchange property height, and oil return efficient height, and shortcoming is two-phase dispensing arrangement complexity, and is expensive.The Chinese invention patent of application publication number CN 101949618 A, Shen Qing Publication day 2011.01.19 discloses a kind of refrigerant side and has switched sewage source heat pump system, it has adopted two full-liquid type heat exchangers, realizes the switching of unit refrigeration, heating operation pattern by the switch of control hand stop valve.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art part, a kind of pouring liquid formula heat exchanger is provided, its simple in structure, easy to make, long service life, heat exchange property height, few, the oil return efficient height of refrigerant charge, both can use as evaporimeter, can also use as condenser as required.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of pouring liquid formula heat exchanger, comprise heat exchanger shell, being provided with heat exchanger tube, refrigerant distributor and being positioned at the liquid collecting distributor of described refrigerant distributor below in the described heat exchanger shell, described heat exchanger shell is provided with air-breathing interface, goes out liquid interface and oil return interface, and described refrigerant distributor is provided with the feed liquor interface.
Heat exchanger of the present utility model, its simple in structure, easy to make, long service life, combine the advantage of full-liquid type heat exchanger and falling film type heat exchanger, heat exchange property height, refrigerant charge are few, oil return efficient height, whole heat exchanger reliability height, both can use as evaporimeter, can also use as condenser as required, when kind of refrigeration cycle, to go out liquid interface and close, disconnection is connected with whole system, and this time, this heat exchanger used as evaporimeter; Heating circulation time, air-breathing interface is as intake interface, and the feed liquor interface is closed.Disconnection is connected with system, and this time, this heat exchanger used as condenser.
As preferably, described refrigerant distributor is two chamber distributors, comprises the upper chamber and the lower chambers that are connected with described feed liquor interface, is provided with the demarcation strip that described upper chamber, lower chambers are communicated with between described upper chamber and the described lower chambers.
Refrigerant distributor adopts two chamber distributors, has simplified the dispenser designs structure, has reduced cost, and has improved distribution effects, has improved heat exchange property and stability.
As preferably, described upper chamber tilts in whole or in part at length direction, so that described top chamber volumes alongst linearity or nonlinear change.
Top chamber volumes is linearity or nonlinear change alongst, can improve distribution effects, has improved heat exchange property and stability.
As preferably, described refrigerant distributor is provided with along two sides of described heat exchanger shell length direction has gas by the baffle plate in hole, described baffle plate is provided with screen pack, the air intake passage that described two baffle plates and described heat exchanger shell and described refrigerant distributor form and described air-breathing interface is connected.
The formation of air intake passage when being conducive to heat exchanger as evaporimeter, has improved heat exchange property and stability.
As preferably, described liquid collecting distributor comprises top liquid collecting distribution plate and is positioned at the middle part liquid collecting distribution plate of described top liquid collecting distribution plate below, the stringing zone, top of the described heat exchanger tube that is formed between described top liquid collecting distribution plate and the described middle part liquid collecting distribution plate arranging.
Many crooked in heat exchanger shell, the extensions of heat exchanger tube form the heat exchanger tube tube bank, the formation in stringing zone, top, the heat exchanger tube tube bank of a part can be set, match with top liquid collecting distribution plate, further improve heat exchanger effectiveness, reduce the cold-producing medium use amount.
As preferably, described liquid collecting distributor also comprises the bottom liquid collecting distribution plate that is positioned at described middle part liquid collecting distribution plate below, the stringing zone, middle part of the described heat exchanger tube that is formed between described middle part liquid collecting distribution plate and the described bottom liquid collecting distribution plate arranging; The stringing zone, bottom of described heat exchanger tube is formed between described bottom liquid collecting distribution plate and the described heat exchanger shell arranging.
Many crooked in heat exchanger shell, the extensions of heat exchanger tube, the tube bank of formation heat exchanger tube, in, the formation in stringing zone, bottom, the heat exchanger tube tube bank of a part can be set, match with middle part liquid collecting distribution plate and bottom liquid collecting distribution plate, further improve heat exchanger effectiveness, reduce the cold-producing medium use amount.
As preferably, described top liquid collecting distribution plate, described middle part liquid collecting distribution plate all offer spray apertures, and described spray apertures is provided with a plurality of sawtooth that turn over down.
The setting of sawtooth can be played better spray effect, makes that the heat exchange effect of cold-producing medium and heat exchanger tube is better.
As preferably, the length of described top liquid collecting distribution plate and/or described middle part liquid collecting distribution plate and/or described bottom liquid collecting distribution plate is more than 1/3 of described heat exchanger shell length.
Above-mentioned setting can guarantee operating efficiency and the heat exchange effect of whole heat exchanger.
As preferably, be provided with the described heat exchanger tube of a row in described top liquid collecting distribution plate and/or described middle part liquid collecting distribution plate and/or the described bottom liquid collecting distribution plate at least.
Be provided with at least one row's heat exchanger tube in the liquid collecting distribution plate, can improve heat exchanger effectiveness, reduce the use amount of cold-producing medium.
As preferably, described liquid collecting distributor comprises top liquid collecting distribution plate, described demarcation strip both sides along its length are provided with outward-dipping inclination expansion board of downward while, described top liquid collecting distribution plate comprises top base plate and two upper side panel that are connected with described top base plate, and described upper side panel and described inclination expansion board and described demarcation strip have formed gas channel.
The utility model beneficial effect is:
A kind of pouring liquid formula heat exchanger of the present utility model, simple in structure, easy to make, long service life, heat exchange property height, few, the oil return efficient height of refrigerant charge both can use as evaporimeter, can also use as condenser as required.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the radial section schematic diagram of Fig. 1;
Fig. 3 is the structural representation of refrigerant distributor among Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of the utility model embodiment 2;
Fig. 6 is the structural representation of the utility model embodiment 3;
Fig. 7 is the structural representation of the utility model embodiment 4;
Fig. 8 is the structural representation of the utility model embodiment 5;
Fig. 9 is the structural representation of the utility model embodiment 6.
Among the figure:
The 1-refrigerant distributor, 101-upper chamber, 102-lower chambers, 103-demarcation strip; 2-top liquid collecting distribution plate; Stringing zone, 3-top; 4-middle part liquid collecting distribution plate; Stringing zone, 5-middle part; 6-bottom liquid collecting distribution plate; Stringing zone, 7-bottom; The 8-baffle plate; 9-feed liquor interface; The air-breathing interface of 10-; The 11-tube support plate; 12-oil return interface; 13-goes out liquid interface; The 14-fluid passage; The 15-gas channel; The 16-air intake passage; The 17-heat exchanger shell; The 18-heat exchanger tube; The 19-spray apertures, the 20-sawtooth.
The specific embodiment
The following stated is preferred embodiment of the present utility model only, is not that scope of the present utility model is limited.
The upper end position of refrigerant distributor 1 in heat exchanger shell 17, refrigerant distributor 1 is used for cold-producing medium is distributed, make it be evenly distributed, carry out heat exchange with heat exchanger tube, in the present embodiment, described refrigerant distributor 1 is two chamber distributors, have two chambers, comprise the upper chamber 101 and the lower chambers 102 that are connected with described feed liquor interface 9, be provided with between described upper chamber 101 and the described lower chambers 102 described upper chamber 101, lower chambers 102 is communicated with the demarcation strip 103 of getting up, and demarcation strip 103 is provided with a plurality of connecting holes, be used for passing through and distributing of cold-producing medium, simultaneously, lower chambers 102 bottoms also are provided with a plurality of through holes, are convenient to cold-producing medium and pass through, carry out heat exchange with heat exchanger tube, after the cold-producing medium process upper chamber 101 that feed liquor interface 9 is come in, enter lower chambers 102 by demarcation strip 103 again, flow out from lower chambers 102; In order to obtain reasonable cold-producing medium distribution effects; described upper chamber 101 tilts in whole or in part at length direction; so that described upper chamber 101 volumes alongst linearity or nonlinear change; be good with linear change wherein; see accompanying drawing 3; 4; wherein the upper plate of upper chamber 101 part is level; feed liquor interface 9 just is arranged on the upper plate of this part level; also have 3/5-4/5 to tilt; the angle of inclination is 5 °; this just makes the volume of this part upper chamber 101 along with linearity reduces away from feed liquor interface 9, is convenient to cold-producing medium and distributes, certainly; the sloping portion of upper chamber's 101 upper plates can be protected a plurality of arc grooves; also can be provided with modes such as a plurality of curved surfaces, change when making the cold-producing medium process, be beneficial to heat exchange.
Described liquid collecting distributor can be collected the cold-producing medium that comes out from refrigerant distributor 1 again, distribute, heat exchange effect between raising and the heat exchanger tube, it comprises top liquid collecting distribution plate 2 and is positioned at the middle part liquid collecting distribution plate 4 of described top liquid collecting distribution plate 2 belows, be positioned at the bottom liquid collecting distribution plate 6 of described middle part liquid collecting distribution plate 4 belows, the stringing zone, top 3 of the described heat exchanger tube 18 that is formed between described top liquid collecting distribution plate 2 and the described middle part liquid collecting distribution plate 4 arranging; Described top liquid collecting distribution plate 2 comprises top base plate and two upper side panel that are connected with described top base plate, two upper side panel generally become 90 ° of angles with the top base plate, and described demarcation strip 103 both sides along its length are provided with outward-dipping inclination expansion board of downward while, described upper side panel and described inclination expansion board and described demarcation strip 103 have formed gas channel 15, be convenient to air-flow and pass through, improve heat exchanger effectiveness.The stringing zone, middle part 5 of described heat exchanger tube 18 is formed for arranging between described middle part liquid collecting distribution plate 4 and described bottom liquid collecting distribution plate 6; The stringing zone, bottom 7 of described heat exchanger tube 18 is formed between described bottom liquid collecting distribution plate 6 and the described heat exchanger shell 17 arranging, the heat exchanger tube tube bank that heat exchanger tube forms can be arranged as required, be arranged in stringing zone, top 3, in stringing zone 5, middle part and the stringing zone, bottom 7, wherein, stringing zone, top 3, the size in stringing zone 5, middle part and stringing zone, bottom 7 can be adjusted as required, wherein, stringing zone, top 3 highly is 1.3-1.5 times of stringing zone, middle part 5 height, stringing zone, middle part 5 highly is 1.2-1.3 times of stringing zone, bottom 7 height, and such that heat exchange effect is set is relatively good; Described middle part liquid collecting distribution plate 4, bottom liquid collecting distribution plate 6 include the liquid collecting base plate and are arranged on liquid collecting side plate on the liquid collecting base plate, wherein, the liquid collecting side plate of length direction (just heat exchanger shell 17 is axial) upwards stretches out simultaneously, becomes 100-105 ° of angle with the liquid collecting base plate.Pass through for the ease of cold-producing medium, described top liquid collecting distribution plate 2, described middle part liquid collecting distribution plate 4 and described bottom liquid collecting distribution plate 6 all offer spray apertures 19, spray apertures 19 can be circular hole, slotted hole etc., reasonable cold-producing medium distributes and the spray effect in order to obtain, described spray apertures 19 is provided with a plurality of sawtooth 20 that turn over down, the quantity of sawtooth 20 is generally 4-6, and the angle of inclination is determined according to the actual requirements.In order to guarantee heat exchange effect, the length of described top liquid collecting distribution plate 2 and described middle part liquid collecting distribution plate 4 and described bottom liquid collecting distribution plate 6 is more than 1/3 of described heat exchanger shell 17 length, be generally 1/3-4/5, wherein, be good with 4/5, so namely obtain heat exchange effect preferably, also left the fluid passage 14 that enough cold-producing mediums pass through; In order further to improve heat exchange effect, be provided with the described heat exchanger tube 18 of a row in described top liquid collecting distribution plate 2 and/or described middle part liquid collecting distribution plate 4 and/or the described bottom liquid collecting distribution plate 6 at least.
For in kind of refrigeration cycle, obtain reasonable heat exchange effect, we are provided with along two sides of described heat exchanger shell 17 length directions (also can be described as heat exchanger shell 17 axially) at described refrigerant distributor 1 has gas by the baffle plate 8 in hole, described two baffle plates 8 and described heat exchanger shell 17 and the air intake passage 16 that described refrigerant distributor 1 forms and described air-breathing interface 10 is connected, be conducive to steam like this by air-breathing interface 10, heat exchange effect is good, gas can be circular hole by the hole, polygonal hole, profiled holes etc., on baffle plate 8, can be provided with screen pack, to filtering through the steam of gas by the hole.In the present embodiment, air intake passage 16 is formed by demarcation strip 103, two baffle plates 8 and heat exchanger shell 17, and baffle plate 8 one ends are fixed on the demarcation strip 103, and the other end and heat exchanger shell 17 are fixing; In addition, find that through after the applicant repetition test we are arranged to baffle plate 8 to tilt, make its extension that outwards is inclined upwardly simultaneously, with 103 one-tenth 100-110 of demarcation strip ° angle, this time, heat exchange effect was good.
More than explanation only is to explanation of the present utility model, make enforcement this programme that those of ordinary skills can be complete, but be not to restriction of the present utility model, those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, these all are not creative modifications.But as long as in claim scope of the present utility model, all be subjected to the protection of Patent Law.
Claims (10)
1. one kind drenches liquid formula heat exchanger, comprise heat exchanger shell (17), it is characterized in that: being provided with heat exchanger tube (18), refrigerant distributor (1) and being positioned at the liquid collecting distributor of described refrigerant distributor (1) below in the described heat exchanger shell (17), described heat exchanger shell (17) is provided with air-breathing interface (10), goes out liquid interface (13) and oil return interface (12), and described refrigerant distributor (1) is provided with feed liquor interface (9).
2. a kind of pouring liquid formula heat exchanger according to claim 1, it is characterized in that: described refrigerant distributor (1) is two chamber distributors, comprise the upper chamber (101) and the lower chambers (102) that are connected with described feed liquor interface (9), be provided with the demarcation strip (103) that described upper chamber (101), lower chambers (102) connection are got up between described upper chamber (101) and the described lower chambers (102).
3. a kind of pouring liquid formula heat exchanger according to claim 1, it is characterized in that: described upper chamber (101) tilts in whole or in part at length direction, so that described upper chamber (101) volume alongst linearity or nonlinear change.
4. a kind of pouring liquid formula heat exchanger according to claim 1, it is characterized in that: described refrigerant distributor (1) is provided with along two sides of described heat exchanger shell (17) length direction has gas by the baffle plate (8) in hole, described baffle plate (8) is provided with screen pack, the air intake passage (16) that described two baffle plates (8) and described heat exchanger shell (17) and described refrigerant distributor (1) form and described air-breathing interface (10) is connected.
5. according to claim 1 or 2 or 3 or 4 described a kind of pouring liquid formula heat exchangers, it is characterized in that: described liquid collecting distributor comprises top liquid collecting distribution plate (2) and is positioned at the middle part liquid collecting distribution plate (4) of described top liquid collecting distribution plate (2) below, the stringing zone, top (3) of the described heat exchanger tube (18) that is formed between described top liquid collecting distribution plate (2) and the described middle part liquid collecting distribution plate (4) arranging.
6. a kind of pouring liquid formula heat exchanger according to claim 5, it is characterized in that: described liquid collecting distributor also comprises the bottom liquid collecting distribution plate (6) that is positioned at described middle part liquid collecting distribution plate (4) below, the stringing zone, middle part (5) of the described heat exchanger tube (18) that is formed between described middle part liquid collecting distribution plate (4) and the described bottom liquid collecting distribution plate (6) arranging; The stringing zone, bottom (7) of described heat exchanger tube (18) is formed between described bottom liquid collecting distribution plate (6) and the described heat exchanger shell (17) arranging.
7. a kind of pouring liquid formula heat exchanger according to claim 6, it is characterized in that: described top liquid collecting distribution plate (2), described middle part liquid collecting distribution plate (4) all offer spray apertures (19), and described spray apertures (19) is provided with a plurality of sawtooth (20) that turn over down.
8. a kind of pouring liquid formula heat exchanger according to claim 6, it is characterized in that: the length of described top liquid collecting distribution plate (2) and/or described middle part liquid collecting distribution plate (4) and/or described bottom liquid collecting distribution plate (6) is more than 1/3 of described heat exchanger shell (17) length.
9. a kind of pouring liquid formula heat exchanger according to claim 6 is characterized in that: be provided with row's described heat exchanger tube (18) in described top liquid collecting distribution plate (2) and/or described middle part liquid collecting distribution plate (4) and/or the described bottom liquid collecting distribution plate (6) at least.
10. a kind of pouring liquid formula heat exchanger according to claim 2, it is characterized in that: described liquid collecting distributor comprises top liquid collecting distribution plate (2), described demarcation strip (103) both sides along its length are provided with outward-dipping inclination expansion board of downward while, described top liquid collecting distribution plate (2) comprises top base plate and two upper side panel that are connected with described top base plate, and described upper side panel and described inclination expansion board and described demarcation strip (103) have formed gas channel (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187356 CN203224070U (en) | 2013-04-15 | 2013-04-15 | Liquid pouring type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187356 CN203224070U (en) | 2013-04-15 | 2013-04-15 | Liquid pouring type heat exchanger |
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|---|---|
| CN203224070U true CN203224070U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320187356 Expired - Fee Related CN203224070U (en) | 2013-04-15 | 2013-04-15 | Liquid pouring type heat exchanger |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216976A (en) * | 2013-04-15 | 2013-07-24 | 美意(浙江)空调设备有限公司 | Liquid spraying type heat exchanger |
| CN103925749A (en) * | 2013-12-30 | 2014-07-16 | 麦克维尔空调制冷(武汉)有限公司 | Falling film evaporator |
| CN107270591A (en) * | 2017-07-24 | 2017-10-20 | 江苏必领能源科技有限公司 | Falling film evaporator two-phase partitioning device |
| CN107806723A (en) * | 2016-09-09 | 2018-03-16 | 青岛海尔智能技术研发有限公司 | Shell and tube condenser |
| CN109737648A (en) * | 2019-03-07 | 2019-05-10 | 英特换热设备(浙江)有限公司 | A kind of falling film evaporator and its two-phase fluidic distributor |
| CN111336705A (en) * | 2019-12-11 | 2020-06-26 | 珠海格力电器股份有限公司 | Double-evaporator oil return system, air conditioning unit and control method |
-
2013
- 2013-04-15 CN CN 201320187356 patent/CN203224070U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216976A (en) * | 2013-04-15 | 2013-07-24 | 美意(浙江)空调设备有限公司 | Liquid spraying type heat exchanger |
| CN103216976B (en) * | 2013-04-15 | 2015-07-29 | 美意(浙江)空调设备有限公司 | A kind of pouring liquid formula heat exchanger |
| CN103925749A (en) * | 2013-12-30 | 2014-07-16 | 麦克维尔空调制冷(武汉)有限公司 | Falling film evaporator |
| US10060678B2 (en) | 2013-12-30 | 2018-08-28 | Mcquay Air-Conditioning & Refrigeration (Wuhan) Co., Ltd. | Falling film evaporator |
| CN107806723A (en) * | 2016-09-09 | 2018-03-16 | 青岛海尔智能技术研发有限公司 | Shell and tube condenser |
| CN107806723B (en) * | 2016-09-09 | 2020-11-24 | 青岛海尔智能技术研发有限公司 | Shell-tube condenser |
| CN107270591A (en) * | 2017-07-24 | 2017-10-20 | 江苏必领能源科技有限公司 | Falling film evaporator two-phase partitioning device |
| CN109737648A (en) * | 2019-03-07 | 2019-05-10 | 英特换热设备(浙江)有限公司 | A kind of falling film evaporator and its two-phase fluidic distributor |
| CN111336705A (en) * | 2019-12-11 | 2020-06-26 | 珠海格力电器股份有限公司 | Double-evaporator oil return system, air conditioning unit and control method |
| CN111336705B (en) * | 2019-12-11 | 2024-02-20 | 珠海格力电器股份有限公司 | Double-evaporator oil return system, air conditioning unit and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 |