CN211400395U - Liquid distributor, falling film type heat exchanger and air conditioner - Google Patents
Liquid distributor, falling film type heat exchanger and air conditioner Download PDFInfo
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- CN211400395U CN211400395U CN201922199031.5U CN201922199031U CN211400395U CN 211400395 U CN211400395 U CN 211400395U CN 201922199031 U CN201922199031 U CN 201922199031U CN 211400395 U CN211400395 U CN 211400395U
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Abstract
The utility model provides a liquid distributor, falling liquid film heat exchanger and air conditioner, the liquid distributor includes: a liquid homogenizing plate; at least one first overflow hole sets up on the lateral wall of liquid homogenizing plate to be in the top of liquid homogenizing plate's lateral wall along the direction of gravity, when the liquid level height of the gas-liquid mixture refrigerant in the liquid homogenizing plate surpassed the lower limb height of first overflow hole, the gaseous state refrigerant of upper strata spills over through first overflow hole, realizes the separation of upper strata gaseous state refrigerant and lower floor liquid state refrigerant. The utility model discloses a liquid distributor sets up the overflow hole on liquid-homogenizing plate, shrouding, and gaseous state refrigerant flows through the overflow hole, and liquid refrigerant flows through the liquid-homogenizing hole of liquid-homogenizing plate, shrouding bottom, reaches the effect that carries out gas-liquid separation to the mixed refrigerant in the liquid distributor, with the quick even diffusion of liquid refrigerant, reaches more cloth liquid effect to liquid phenomenon is taken when having solved the gaseous state refrigerant of falling film heat exchanger when discharging, has improved the performance of falling film evaporator.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to liquid distributor, falling liquid film heat exchanger and air conditioner.
Background
The liquid distributor of the falling film heat exchanger greatly affects the liquid equalizing effect of the liquid refrigerant entering the evaporator, and further influences the distribution and the heat exchange effect of the refrigerant on the heat exchange tube. In the falling film heat exchanger, the problem of air suction and liquid carrying exists when gaseous refrigerant enters the compressor, and the main reason is that the gas-liquid separation effect in the liquid distributor is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is that the gas-liquid separation effect of liquid distributor is poor, and it takes liquid to lead to the gas-state refrigerant to inhale when getting into the compressor to provide a liquid distributor, falling liquid film heat exchanger and air conditioner.
In order to solve the above problem, the utility model provides a liquid distributor, include:
a liquid homogenizing plate;
at least one first overflow hole, at least one first overflow hole set up on the lateral wall of liquid homogenizing plate to be in the top of liquid homogenizing plate's lateral wall along the direction of gravity, when the liquid level height of the gas-liquid mixture refrigerant in the liquid homogenizing plate surpassed the lower limb height of first overflow hole, the gaseous state refrigerant of upper strata spills over through first overflow hole, realizes the separation of upper strata gaseous state refrigerant and lower floor liquid state refrigerant.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Preferably, the lateral wall of liquid homogenizing plate includes the long limit lateral wall of liquid homogenizing plate, the broadside lateral wall of liquid homogenizing plate, and at least one first overflow hole sets up on at least one of the long limit lateral wall of liquid homogenizing plate, the broadside lateral wall of liquid homogenizing plate.
Preferably, the liquid distributor further comprises a feeding channel, the flow area of the feeding channel is S1, the sum of the flow areas of the first overflow holes is S2, and S2/S1 is 4-5.
Preferably, the first overflow aperture area near the feed channel is smaller than the first overflow aperture area remote from the feed channel.
Preferably, the liquid distributor further comprises:
closing the plate;
at least one second overflow hole, at least one second overflow hole set up on the lateral wall of shrouding to be located the shrouding lateral wall along the top of gravity direction, when the liquid level height of the gas-liquid mixture refrigerant in the shrouding surpassed the lower limb height of first overflow hole, first overflow hole is used for spilling over the gaseous state refrigerant on upper strata, realizes the separation of upper strata gaseous state refrigerant and bottom gaseous state refrigerant.
Preferably, the lateral wall of shrouding includes the long limit lateral wall of shrouding, and at least one second overflow hole sets up on the long limit lateral wall of shrouding.
Preferably, the at least one first overflow hole and the at least one second overflow hole are staggered with each other.
Preferably, the first overflow holes are at least two, at least two first overflow holes are arranged at intervals, and/or the second overflow holes are at least two, at least two second overflow holes are arranged at intervals.
Preferably, the first overflow hole is at least one of a rectangular hole, a triangular hole, a circular hole, a semicircular hole and a trapezoidal hole, the long edge of the rectangular hole coincides with the gravity direction, and/or the second overflow hole is at least one of a rectangular hole, a triangular hole, a circular hole and a trapezoidal hole, and the long edge of the rectangular hole coincides with the gravity direction.
Preferably, when the first overflow hole and/or the second overflow hole are circular holes, the distance from the upper edge of the circular hole to the top end of the side wall is greater than or equal to 10 mm.
Preferably, when the first overflow hole and/or the second overflow hole are/is a triangular hole, any side of the triangular hole is flush with the top end of the side wall.
A falling film type heat exchanger adopts any one of the liquid distributors.
An air conditioner, adopting any liquid distributor
The utility model provides a liquid distributor, falling liquid film heat exchanger and air conditioner have following beneficial effect at least:
the utility model discloses a liquid distributor, through at the equal liquid board, set up the overflow hole on the lateral wall of shrouding, gaseous state refrigerant passes through the overflow hole and flows, liquid refrigerant is through equal liquid board, the equal liquid hole of shrouding bottom flows, reach the effect that carries out gas-liquid separation to the mixed refrigerant in the liquid distributor, and simultaneously, borrow gaseous state refrigerant's mobile effect and make the quick even diffusion of liquid refrigerant, thereby make the refrigerant cover whole liquid distributor, reach more liquid distribution effect, thereby the liquid phenomenon of taking when having solved falling film heat exchanger's gaseous state refrigerant and discharging, the performance of falling film evaporator has been improved.
Drawings
FIG. 1 is a schematic structural view of a liquid distributor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a liquid-homogenizing plate according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing plate according to an embodiment of the present invention.
The reference numerals are represented as:
1. a liquid homogenizing plate; 2. a first overflow aperture; 3. the long side wall of the liquid homogenizing plate; 4. the wide side wall of the liquid homogenizing plate; 5. a feed channel; 6. closing the plate; 7. a second overflow aperture; 8. sealing the long side wall of the plate; 9. closing the wide side wall of the plate; 10. and (6) flow equalizing holes.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a liquid distributor, including: a liquid homogenizing plate 1; at least one first overflow hole 2, at least one first overflow hole 2 sets up on the lateral wall of liquid homogenizing plate 1 to be in the top along the direction of gravity of the lateral wall of liquid homogenizing plate 1, when the liquid level height of the gas-liquid mixture refrigerant in the liquid homogenizing plate 1 surpassed the lower limb height of first overflow hole 2, the gaseous state refrigerant of upper strata spills over through first overflow hole 2, realizes the separation of upper strata gaseous state refrigerant and lower floor's liquid state refrigerant.
The utility model discloses a liquid distributor, through set up the overflow hole on the lateral wall of liquid board 1, gaseous state refrigerant passes through the overflow hole and flows, liquid refrigerant flows through the liquid hole of equaling of liquid board 1 bottom, reach the effect that carries out gas-liquid separation to the mixed refrigerant in the liquid board 1 of equaling, and simultaneously, borrow gaseous state refrigerant's mobile effect and make the quick even diffusion of liquid refrigerant, thereby make the refrigerant cover whole liquid distributor, reach more liquid distribution effect, thereby the liquid phenomenon of taking when having solved falling film heat exchanger's gaseous state refrigerant and discharging, the performance of falling film evaporator has been improved.
In this embodiment, the lateral wall of the liquid-equalizing plate 1 includes the long-side lateral wall 3 of the liquid-equalizing plate, the wide-side lateral wall 4 of the liquid-equalizing plate, and the at least one first overflow hole 2 is disposed on at least one of the long-side lateral wall 3 of the liquid-equalizing plate and the wide-side lateral wall 4 of the liquid-equalizing plate 1. The overflow holes are formed in the tops of the long edges and mainly used for gas-liquid separation, the overflow holes in the wide edges can ensure that gaseous refrigerants fully overflow, and the liquid refrigerants can be pushed to be uniformly distributed on the liquid homogenizing plate 1 along the length direction under the effect of overflow of the gaseous refrigerants.
In this embodiment, the liquid distributor further includes a feeding channel 5, the flow area of the feeding channel 5 is S1, the sum of the flow areas of the first overflow holes 2 is S2, S2/S1 is 4-5, the flow areas of the feeding channel 5 and the first overflow holes 2 reach the above ratio, and the optimal gas-liquid separation effect can be achieved.
In this embodiment, the first overflow holes 2 may be multiple and uniformly arranged along the length direction of the liquid-equalizing plate 1, wherein the area of the first overflow hole 2 close to the feeding channel is smaller than that of the first overflow hole 2 far from the feeding channel 5, so as to reduce the splashing of the liquid drops from the feeding channel 5 directly through the first overflow hole 2.
Preferably, the liquid distributor further comprises: a closing plate 6; at least one second overflow hole 7, at least one second overflow hole 7 sets up on the lateral wall of shrouding 6 to be located 6 lateral walls of shrouding along the top of gravity direction, when the liquid level height of the gas-liquid mixture refrigerant in the shrouding 6 surpassed the lower limb height of first overflow hole 2, first overflow hole 2 is used for spilling over the gaseous state refrigerant of upper strata, realizes the separation of upper strata gaseous state refrigerant and bottom gaseous state refrigerant. In the liquid distributor, the installation is established for the cover to the board 1 of evening liquid and shrouding 6, and the board 1 of evening liquid is wrapped up by 6 shroudings completely by the shrouding, and the liquid refrigerant of the equal outflow of the board 1 of evening liquid and the gaseous state refrigerant of overflow all flow to in the shrouding 6 earlier, and then, the liquid refrigerant flows through the hole that flow equalizes of 6 bottoms of shrouding, accomplishes the liquid distribution operation. The gaseous refrigerant continues to flow out through the second overflow hole 7 on the side wall of the sealing plate 6, secondary gas-liquid separation is completed, and the gaseous content in the liquid refrigerant flowing out of the liquid distributor is further reduced.
Preferably, the side walls of the sealing plate 6 comprise the long side walls 8 of the sealing plate and the at least one second overflow aperture 7 is provided in the long side walls 8 of the sealing plate 6. In partial liquid distributor, the broadside of shrouding 6 does not participate in gas-liquid separation, but based on the design of this application, shrouding broadside lateral wall 9 also can set up second overflow hole 7 and carry out gas-liquid separation.
Preferably, the at least one first overflow aperture 2 and the at least one second overflow aperture 7 are staggered with respect to each other. The gaseous refrigerant overflowing from the liquid homogenizing plate 1 into the sealing plate 6 overflows from the second overflow hole 7; the dislocation of two sets of overflow holes can effectively block that liquid refrigerant spills over along with gaseous state refrigerant to remain it in shrouding 6, on the circular hole that flow equalizes that sets up through 6 bottoms of shrouding flowed the heat exchange tube.
The second overflow hole 7 on the sealing plate 6 is the same as the first overflow hole 2 on the liquid homogenizing plate 1 in size. The size is unanimous for the gas overflow is even, if the trompil on shrouding 6 is little, can lead to the velocity of flow increase, produces the vibration, and the trompil is big leads to liquid phenomenon again.
Preferably, the first overflow holes 2 are at least two, at least two first overflow holes 2 being arranged at intervals, and/or the second overflow holes 7 are at least two, at least two second overflow holes 7 being arranged at intervals. And part of the gaseous refrigerant entering the liquid distributor sequentially overflows through the first overflow hole 2 and the second overflow hole 7, and the intermittent opening holes can block part of the carried liquid refrigerant.
Preferably, the first overflow hole 2 is at least one of a rectangular hole, a triangular hole, a circular hole, a semicircular hole and a trapezoidal hole, the long side of the rectangular hole coincides with the gravity direction, and/or the second overflow hole 7 is at least one of a rectangular hole, a triangular hole, a circular hole and a trapezoidal hole, and the long side of the rectangular hole coincides with the gravity direction.
Preferably, for processing, when the first overflow hole 2 and/or the second overflow hole 7 are circular holes, the distance from the upper edge of the circular hole to the top end of the side wall is greater than or equal to 10 mm. When the first overflow hole 2 and/or the second overflow hole 7 are/is a triangular hole, any side of the triangular hole is flush with the top end of the side wall.
The liquid homogenizing plate 1 of the liquid distributor of the utility model is placed inside the sealing plate 6, the refrigerant enters the liquid distributor from the feeding channel 5, the liquid refrigerant therein is distributed on the liquid homogenizing plate 1, flows onto the sealing plate 6 through the flow homogenizing hole 10 at the bottom of the liquid homogenizing plate 1, and then uniformly flows onto the surface of the heat exchange tube through the flow homogenizing hole 10 at the bottom of the sealing plate 6 for evaporation and heat exchange; gaseous refrigerant then overflows shrouding 6 through the trompil of the 1 side of equal liquid board, and the second overflow hole 7 who sets up and equal liquid board 1 trompil dislocation on shrouding 6 spills over again, has solved the gaseous refrigerant of falling liquid film heat exchanger output and has taken liquid problem.
A falling film type heat exchanger adopts any one of the liquid distributors.
An air conditioner adopts any one of the liquid distributors.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (13)
1. A liquid distributor, comprising:
a liquid homogenizing plate (1);
the liquid level of the gas-liquid mixed refrigerant in the liquid homogenizing plate (1) exceeds the height of the lower edge of the first overflow hole (2), the gaseous refrigerant on the upper layer overflows through the first overflow hole (2), and the separation of the gaseous refrigerant on the upper layer and the liquid refrigerant on the lower layer is realized.
2. The liquid distributor according to claim 1, wherein the side walls of the liquid homogenizing plate (1) comprise a long side wall (3) of the liquid homogenizing plate and a wide side wall (4) of the liquid homogenizing plate, and the at least one first overflow hole (2) is arranged on at least one of the long side wall (3) of the liquid homogenizing plate and the wide side wall (4) of the liquid homogenizing plate (1).
3. The liquid distributor according to claim 1, characterized in that the liquid distributor further comprises a feeding channel (5), the flow area of the feeding channel (5) is S1, the sum of the flow areas of the first overflow holes (2) is S2, and S2/S1 is 4-5.
4. The liquid distributor according to claim 3, characterized in that the area of the first overflow aperture (2) close to the feed channel (5) is smaller than the area of the first overflow aperture (2) remote from the feed channel (5).
5. The dispenser according to any one of claims 1-4, further comprising:
a closing plate (6);
the gas-liquid mixed refrigerant overflow device comprises at least one second overflow hole (7), wherein the at least one second overflow hole (7) is formed in the side wall of the sealing plate (6) and is located at the top of the side wall of the sealing plate (6) in the gravity direction, and when the liquid level of gas-liquid mixed refrigerant in the sealing plate (6) exceeds the height of the lower edge of the first overflow hole (2), the first overflow hole (2) is used for overflowing gaseous refrigerant on the upper layer, so that the separation of the gaseous refrigerant on the upper layer and gaseous refrigerant on the bottom layer is realized.
6. The liquid distributor according to claim 5, characterized in that the side walls of the sealing plate (6) comprise the long side walls (8) of the sealing plate, and the at least one second overflow hole (7) is provided in the long side walls (8) of the sealing plate (6).
7. The liquid distributor according to claim 5, characterized in that the at least one first overflow aperture (2) and the at least one second overflow aperture (7) are arranged staggered with respect to each other.
8. The liquid distributor according to claim 5, characterized in that the first overflow holes (2) are at least two, at least two first overflow holes (2) being arranged at intervals, and/or the second overflow holes (7) are at least two, at least two second overflow holes (7) being arranged at intervals.
9. The liquid distributor according to any one of claims 6 to 8, characterized in that the first overflow aperture (2) is at least one of a rectangular aperture, a triangular aperture, a circular aperture, a semi-circular aperture, and a trapezoidal aperture, the long side of the rectangular aperture coinciding with the direction of gravity, and/or the second overflow aperture (7) is at least one of a rectangular aperture, a triangular aperture, a circular aperture, and a trapezoidal aperture, the long side of the rectangular aperture coinciding with the direction of gravity.
10. The liquid distributor according to claim 9, characterized in that when the first overflow hole (2) and/or the second overflow hole (7) are circular holes, the distance from the upper edge of the circular hole to the top end of the side wall is greater than or equal to 10 mm.
11. The liquid distributor according to claim 9, characterized in that when the first overflow hole (2) and/or the second overflow hole (7) is/are triangular, any side of the triangular hole is flush with the top end of the side wall.
12. A falling film heat exchanger, characterized in that a liquid distributor according to any one of claims 1-11 is used.
13. An air conditioner characterized in that the liquid distributor according to any one of claims 1 to 11 is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199031.5U CN211400395U (en) | 2019-12-10 | 2019-12-10 | Liquid distributor, falling film type heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199031.5U CN211400395U (en) | 2019-12-10 | 2019-12-10 | Liquid distributor, falling film type heat exchanger and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN211400395U true CN211400395U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922199031.5U Active CN211400395U (en) | 2019-12-10 | 2019-12-10 | Liquid distributor, falling film type heat exchanger and air conditioner |
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| CN (1) | CN211400395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944747A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
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2019
- 2019-12-10 CN CN201922199031.5U patent/CN211400395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944747A (en) * | 2019-12-10 | 2021-06-11 | 珠海格力电器股份有限公司 | Liquid distributor, falling film type heat exchanger and air conditioner |
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