CN209085119U - Heat exchanger and air conditioner with it - Google Patents
Heat exchanger and air conditioner with it Download PDFInfo
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- CN209085119U CN209085119U CN201821305352.8U CN201821305352U CN209085119U CN 209085119 U CN209085119 U CN 209085119U CN 201821305352 U CN201821305352 U CN 201821305352U CN 209085119 U CN209085119 U CN 209085119U
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- heat exchanger
- exchange tubes
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Abstract
The utility model provides a kind of heat exchanger and the air conditioner with it.The heat exchanger includes: heat exchanger shell, and heat exchanger shell includes falling liquid film accommodation space and full liquid accommodation space；At least one first set of heat exchange tubes, the first set of heat exchange tubes are arranged in falling liquid film accommodation space；At least one second set of heat exchange tubes, the second set of heat exchange tubes are arranged in full liquid accommodation space, and the stringing width of the second set of heat exchange tubes is less than or equal to the stringing width of the first set of heat exchange tubes.The heat exchanger can be to avoid dry combustion method.
Description
Technical field
The utility model relates to apparatus of air conditioning fields, in particular to a kind of heat exchanger and with its air-conditioning
Device.
Background technique
In commercial large-scale water cooler evaporator, downward film evaporator is since heat exchange efficiency is high, groundwater increment is few, maintenance
The advantages such as convenient gain great popularity.Downward film evaporator is divided into high-fall film and part falling liquid film, and part of falling liquid film is with more, in portion
Divide in downward film evaporator, in the case where refrigerant is less, liquid zone heat exchanger tube is expired in bottom, and there are dry-fire conditions, affect evaporator
Service life.
Utility model content
The utility model is intended to provide a kind of heat exchanger and the air conditioner with it, is steamed with solving falling film type in the prior art
Expire the problem of liquid zone heat exchanger tube is easy dry combustion method in hair device bottom.
The utility model provides a kind of heat exchanger comprising: heat exchanger shell, heat exchanger shell include that falling liquid film accommodates sky
Between and full liquid accommodation space；At least one first set of heat exchange tubes, the first set of heat exchange tubes are arranged in falling liquid film accommodation space；At least one
A second set of heat exchange tubes, the second set of heat exchange tubes be arranged in full liquid accommodation space, the stringing width of the second set of heat exchange tubes be less than or
Equal to the stringing width of the first set of heat exchange tubes.
Optionally, inlet is provided on heat exchanger shell, heat exchanger further includes liquid distributor, and liquid distributor is arranged in heat exchanger
In shell, and it is located in the liquid inlet between the first set of heat exchange tubes.
Optionally, multiple liquid distributing holes are provided on liquid distributor.
Optionally, inlet is located at the top of the first set of heat exchange tubes.
Optionally, the first set of heat exchange tubes is multiple, and along being gradually distance from the direction of inlet, multiple first set of heat exchange tubes according to
Secondary setting.
Optionally, the stringing of two neighboring first set of heat exchange tubes is of same size or error is less than or equal to preset value.
Optionally, each first set of heat exchange tubes includes multiple first heat exchanger tubes, is had between two neighboring first heat exchanger tube
Gap.
Optionally, along vertical stringing width direction, multiple first set of heat exchange tubes are changed at first heat exchanger tube of column, a column first
Have in heat pipe, between two neighboring first heat exchanger tube gap and/or, along stringing width direction, the first set of heat exchange tubes of multiple row at
One the first set of heat exchange tubes has gap between adjacent the first heat exchanger tube of two column.
Optionally, heat exchanger is downward film evaporator.
Another aspect according to the present utility model provides a kind of air conditioner comprising above-mentioned heat exchanger.
Heat exchanger according to the present utility model and air conditioner with it, heat exchanger shell is for carrying the first set of heat exchange tubes
With the second set of heat exchange tubes, and contact refrigerant in heat exchanger shell with the first set of heat exchange tubes and the second set of heat exchange tubes, to realize
Phase-change heat-exchange.In heat exchanger shell, the first set of heat exchange tubes is changed for contacting in refrigerant dropping process with refrigerant liquid
Heat.Second set of heat exchange tubes is used to contact and exchange heat with the refrigerant for passing through the first set of heat exchange tubes.Due to the stringing of the second set of heat exchange tubes
Width is less than or equal to the stringing width of the first set of heat exchange tubes, so that can drip leaching from the refrigerant that the first set of heat exchange tubes is dripped
It onto the surface of the second set of heat exchange tubes, contacts and exchanges heat with the second set of heat exchange tubes, to avoid when refrigerant fluid low second from changing
There are the heat exchanger tubes of dry combustion method for heat pipe heat, and then ensure that heat exchange efficiency, and improve the service life of the second set of heat exchange tubes.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of heat exchanger according to the present invention.
Description of symbols:
1, inlet；2, liquid distributor；3, heat exchanger shell；4, falling liquid film accommodation space；5, the first set of heat exchange tubes；6, it second changes
Heat pipe heat；7, full liquid accommodation space.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, providing a kind of heat exchanger according to the embodiment of utility model comprising heat exchanger shell 3, at least
One the first set of heat exchange tubes 5 and at least one second set of heat exchange tubes 6.Wherein, heat exchanger shell 3 includes 4 He of falling liquid film accommodation space
Full liquid accommodation space 7.First set of heat exchange tubes 5 is arranged in falling liquid film accommodation space 4.The setting of second set of heat exchange tubes 6 is accommodated in full liquid
In space 7, the stringing width of the second set of heat exchange tubes 6 is less than or equal to the stringing width of the first set of heat exchange tubes 5.
The heat exchanger shell 3 makes refrigerant in heat exchanger shell for carrying the first set of heat exchange tubes 5 and the second set of heat exchange tubes 6
It is contacted in body 3 with the first set of heat exchange tubes 5 and the second set of heat exchange tubes 6, to realize phase-change heat-exchange.In heat exchanger shell 3, first is changed
Heat pipe heat 5 exchanges heat for contacting in refrigerant dropping process with refrigerant liquid.Second set of heat exchange tubes 6 is used for and passes through first
The refrigerant of set of heat exchange tubes 5 is contacted and is exchanged heat.Since the stringing width of the second set of heat exchange tubes 6 is less than or equal to the first set of heat exchange tubes 5
Stringing width so that from the first set of heat exchange tubes 5 drip refrigerant can drip on the surface for pouring the second set of heat exchange tubes 6,
It contacts and exchanges heat with the second set of heat exchange tubes 6, to avoid when refrigerant fluid low that there are the heat exchange of dry combustion method for the second set of heat exchange tubes 6
Pipe, and then ensure that heat exchange efficiency, and improve the service life of the second set of heat exchange tubes 6.
It should be noted that stringing width refers to that heat exchanger tube is arranged in the first set of heat exchange tubes 5 and/or the second set of heat exchange tubes 6
When width such as heat exchanger shell 3 is round, the horizontal radial of heat exchanger shell 3.Stringing width refers to right and left in Fig. 1 in Fig. 1
To width.
Optionally, in the present embodiment, which is downward film evaporator, to prevent the full liquid of base of evaporator from accommodating
Heat exchanger tube dry combustion method in space.
As shown in Figure 1, in the present embodiment, inlet 1 is provided on heat exchanger shell 3, changed so that refrigerant liquid enters
In hot device shell 3.E.g. the top of heat exchanger shell 3 is arranged in the top that inlet 1 can be located at the first set of heat exchange tubes 5, with
Make refrigerant liquid be easier to fall, and form falling liquid film, so that the heat exchanger be made to form falling-film heat exchanger.
Optionally, in order to promote heat transfer effect, make refrigerant liquid in stringing width direction and the axial direction of heat exchanger shell 3 point
Cloth is more uniform, so that improving heat exchanging efficiency, makes full use of heat exchange area, heat exchanger further includes liquid distributor 2, and liquid distributor 2 is arranged
In heat exchanger shell 3, and liquid distributor 2 is located in the liquid inlet 1 and first between set of heat exchange tubes 5, so that refrigerant distribution is more uniform.
Optionally, in the present embodiment, multiple liquid distributing holes are provided on liquid distributor 2, so that refrigerant disperses, to promote it
Uniformity.Certainly, in other embodiments, liquid distributor 2 can use other structures, for example, liquid distributor 2 includes at least one mist
Change spray head, it is uniform to carry out refrigerant by atomizer.
In order to sufficiently exchange heat, the first set of heat exchange tubes 5 as needed can be set multiple.Along the side for being gradually distance from inlet 1
To (such as vertical stringing width direction), multiple first set of heat exchange tubes 5 are set gradually.Cooling medium liquid body can in this way gradually passed through more
A first set of heat exchange tubes 5 forms falling liquid film in each first set of heat exchange tubes 5, to promote the contact surface of refrigerant and heat exchanger tube, guarantees
Sufficiently heat exchange, and improving heat exchanging efficiency.
Optionally, the stringing of two neighboring first set of heat exchange tubes 5 is of same size or error is less than or equal to preset value.Its
In, preset value is the error amount generated in art production process.
In the present embodiment, there is gap, so that refrigerant has in dropping process between two neighboring first set of heat exchange tubes 5
There is preferable kinetic energy, so as to be distributed in the heat exchange pipe surface of next first set of heat exchange tubes 5.
Optionally, each first set of heat exchange tubes 5 includes multiple first heat exchanger tubes, is had between two neighboring first heat exchanger tube
Gap, so that refrigerant is contacted with the surface of each first heat exchanger tube, so that it is guaranteed that heat exchange efficiency and heat transfer effect.
In the present embodiment, along vertical stringing width direction, multiple first set of heat exchange tubes 5 are at first heat exchanger tube of column, and one
In the first heat exchanger tube of column, there is gap, the flowing so that refrigerant can preferably fall between two neighboring first heat exchanger tube.
Along stringing width direction, the first set of heat exchange tubes of multiple row 5 exchanges heat at first set of heat exchange tubes 5, adjacent two column first
There is gap, so that refrigerant is preferably uniformly distributed between pipe.
Optionally, the second set of heat exchange tubes 6 may include multiple second heat exchanger tubes, to drip leaching to from falling liquid film accommodation space 4
Refrigerant is evaporated heat exchange.
The working principle of the falling-film heat exchanger are as follows:
In the stringing region of the falling-film heat exchanger, wherein upper rectangular area is falling liquid film area, and lower part is divided into full liquid zone.
Refrigerant is assigned to heat exchanger tube tube surface (i.e. the first heat exchange pipe surface of the first set of heat exchange tubes 5) shape in falling liquid film area by liquid distributor 2
At liquid film refrigerant, and evaporation and heat-exchange is carried out, since liquid refrigerants amount is bigger, the liquid refrigerants of non-evaporating completely passes through drop
The mode of leaching uniformly arrives the first heat exchanger tube of next row and is evaporated.
In the liquid refrigerants not evaporated yet by falling liquid film area, collected in full liquid zone, full liquid zone heat exchanger tube (i.e. the
Second heat exchanger tube of two set of heat exchange tubes 6) it is immersed in liquid refrigerants and exchanges heat.The liquid of full liquid zone is poured as dripped in the prior art
State coolant quantity is less, and the refrigerant that full liquid zone collects can not flood heat exchanger tube, will cause part heat exchanger tube dry combustion method, especially full liquid zone
Upper end-face edge heat exchanger tube.
And constrained by the stringing region to the first heat exchanger tube and the second heat exchanger tube, make each first heat exchanger tube in falling liquid film area
The stringing of group 5 is of same size, guarantees that the upper unevaporated liquid refrigerants of a row can drip the heat exchange for pouring down and ranked first set of heat exchange tubes 5
The top center of pipe.And by making the stringing width (being denoted as L2) of the second set of heat exchange tubes 6 of full liquid zone be not more than the first heat exchanger tube
The stringing width (being denoted as L1) of group 5, so that full liquid zone heat exchanger tube is immersed in liquid in the case where drop pours full liquid zone refrigerant abundance
It exchanges heat in state refrigerant, if drop pours, full liquid zone coolant quantity is less, and the refrigerant of the non-evaporating completely in falling liquid film area can directly drip
Full liquid zone heat exchange pipe surface is poured, this region heat exchanger tube dry combustion method is effectively prevent.
Another aspect according to the present utility model provides a kind of air conditioner comprising above-mentioned heat exchanger.The air conditioner
Heat exchanger can prevent the heat exchanger tube dry combustion method of full liquid zone, so that heat exchanger tube be avoided to damage, promote service life.
.Make the stringing width of the second set of heat exchange tubes 6 in full liquid accommodation space 7 no more than the in falling liquid film accommodation space 4
The stringing width of one set of heat exchange tubes 5 solves the problems, such as full liquid zone top edge heat exchanger tube dry combustion method.
By keeping the stringing of each first set of heat exchange tubes 5 of same size, guarantee that the upper unevaporated liquid refrigerants of a row can drip
Pour down the top center that ranked first each first heat exchanger tube of set of heat exchange tubes 5, it is ensured that refrigerant evaporation efficiency.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of heat exchanger characterized by comprising
Heat exchanger shell (3), the heat exchanger shell (3) include falling liquid film accommodation space (4) and expire liquid accommodation space (7)；
At least one first set of heat exchange tubes (5), the first set of heat exchange tubes (5) setting is in the falling liquid film accommodation space (4)；
At least one second set of heat exchange tubes (6), the second set of heat exchange tubes (6) setting is in full liquid accommodation space (7), institute
The stringing width for stating the second set of heat exchange tubes (6) is less than or equal to the stringing width of first set of heat exchange tubes (5).
2. heat exchanger according to claim 1, which is characterized in that be provided with inlet on the heat exchanger shell (3)
(1), the heat exchanger further includes liquid distributor (2), and liquid distributor (2) setting is located at institute in the heat exchanger shell (3)
It states between inlet (1) and first set of heat exchange tubes (5).
3. heat exchanger according to claim 2, which is characterized in that be provided with multiple liquid distributing holes on the liquid distributor (2).
4. heat exchanger according to claim 2, which is characterized in that the inlet (1) is located at first set of heat exchange tubes
(5) top.
5. the heat exchanger according to any one of claim 2-4, which is characterized in that first set of heat exchange tubes (5) is more
It is a, and along the direction for being gradually distance from the inlet (1), multiple first set of heat exchange tubes (5) set gradually.
6. heat exchanger according to claim 5, which is characterized in that the stringing of two neighboring first set of heat exchange tubes (5)
Of same size or error is less than or equal to preset value.
7. heat exchanger according to claim 5, which is characterized in that each first set of heat exchange tubes (5) includes multiple the
One heat exchanger tube has gap between two neighboring first heat exchanger tube.
8. heat exchanger according to claim 7, which is characterized in that along the vertical stringing width direction, multiple described the
One set of heat exchange tubes (5) first heat exchanger tube of Cheng Yilie, one arranges in first heat exchanger tube, between two neighboring first heat exchanger tube
With gap, and/or, along the stringing width direction, the first set of heat exchange tubes (5) described in multiple row is at first heat exchanger tube
Group (5), adjacent two arrange between first heat exchanger tube with gap.
9. heat exchanger according to claim 1, which is characterized in that the heat exchanger is downward film evaporator.
10. a kind of air conditioner, which is characterized in that including heat exchanger of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305352.8U CN209085119U (en) | 2018-08-13 | 2018-08-13 | Heat exchanger and air conditioner with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305352.8U CN209085119U (en) | 2018-08-13 | 2018-08-13 | Heat exchanger and air conditioner with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209085119U true CN209085119U (en) | 2019-07-09 |
Family
ID=67114578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821305352.8U Active CN209085119U (en) | 2018-08-13 | 2018-08-13 | Heat exchanger and air conditioner with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209085119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917233A (en) * | 2018-08-13 | 2018-11-30 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with it |
| CN112781416A (en) * | 2020-03-25 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Radiator and heating system |
-
2018
- 2018-08-13 CN CN201821305352.8U patent/CN209085119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917233A (en) * | 2018-08-13 | 2018-11-30 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner with it |
| CN112781416A (en) * | 2020-03-25 | 2021-05-11 | 青岛海尔新能源电器有限公司 | Radiator and heating system |
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