CN218936738U - Two-chamber liquid separating tank - Google Patents
Two-chamber liquid separating tank Download PDFInfo
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- CN218936738U CN218936738U CN202223215023.3U CN202223215023U CN218936738U CN 218936738 U CN218936738 U CN 218936738U CN 202223215023 U CN202223215023 U CN 202223215023U CN 218936738 U CN218936738 U CN 218936738U
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- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 71
- 238000000926 separation method Methods 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 38
- 239000012530 fluid Substances 0.000 abstract description 23
- 238000009826 distribution Methods 0.000 abstract description 14
- 238000009827 uniform distribution Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a two-chamber liquid separating tank, which comprises: the tank body is provided with an air inlet and a plurality of air outlets, and an accommodating cavity which is communicated with the air inlet and the air outlets is arranged in the tank body; the first partition plate is connected with the inner wall of the accommodating cavity and divides the accommodating cavity into a static pressure cavity communicated with the air inlet and a pressure equalizing cavity communicated with the air outlets, and a plurality of air inlets are formed in the first partition plate in a penetrating manner; the separation assembly is arranged in the pressure equalizing cavity and separates the pressure equalizing cavity into a plurality of independent flow dividing cavities, and each flow dividing cavity comprises an air inlet hole and an air outlet. According to the utility model, the tank body is divided into the static pressure chamber and the pressure equalizing chamber by the first partition plate, the pressure equalizing chamber is divided into the independent diversion chambers, the refrigerant entering the static pressure chamber is stabilized in pressure and then enters the corresponding diversion chambers respectively through different air inlets on the first partition plate, and then is discharged into the corresponding heat exchanger modules through the air outlets correspondingly communicated with the diversion chambers, so that the refrigerant fluid distribution is more uniform.
Description
Technical Field
The utility model relates to the technical field of liquid separating tanks, in particular to a two-chamber liquid separating tank.
Background
When the air source heat pump heats, the air-cooled fin heat exchanger is an evaporator, and the fin heat exchanger assembly of the general heat pump unit consists of a plurality of identical heat exchanger modules, so that a liquid separation tank is required to uniformly distribute two-phase refrigerant into each heat exchanger. In the prior art, after refrigerant enters from an inlet at the bottom, the refrigerant spirally rises in the liquid separating tank along the inner wall of the tank body and enters into the corresponding heat exchanger module through different outlets at the top. The refrigerant moves chaotic in the tank body, the distribution effect is uncontrollable, and the problem of uneven liquid distribution exists in the existing heat pump units on the market, so that the energy efficiency of the units is affected. Especially in the research and development experiment stage, a great deal of time and experiment resources are required for adjustment and improvement.
Disclosure of Invention
In view of this, the present utility model provides a two-chamber liquid separation tank. The tank body is divided into a static pressure chamber and a pressure equalizing chamber by the first partition plate, the pressure equalizing chamber is divided into independent diversion chambers, and after the refrigerant fluid entering the static pressure chamber is stabilized in pressure, the refrigerant fluid enters the corresponding diversion chambers respectively through different air inlets on the first partition plate, and is discharged into the corresponding heat exchanger modules through air outlets correspondingly communicated with the diversion chambers, so that uniform distribution of the refrigerant is realized.
The two-chamber liquid separating tank provided by the utility model comprises: the tank body is provided with an air inlet and a plurality of air outlets, and an accommodating cavity which is communicated with the air inlet and the air outlets is arranged in the tank body; the first partition plate is connected with the inner wall of the accommodating cavity to divide the accommodating cavity into a static pressure cavity communicated with the air inlet and a pressure equalizing cavity communicated with the air outlets, and a plurality of air inlets are formed in the first partition plate in a penetrating manner; the separation assembly is arranged in the pressure equalizing cavity, the pressure equalizing cavity is divided into a plurality of independent flow dividing cavities, and each flow dividing cavity comprises an air inlet hole and an air outlet.
Optionally, the separation assembly comprises: the first ends of the second partition boards are connected with each other, the free end of each second partition board is connected with the inner wall of the pressure equalizing cavity or the first partition board, and two adjacent second partition boards are enclosed into one flow dividing cavity with the tank body and the first partition board.
Optionally, each second partition plate is provided with a pressure equalizing hole in a penetrating way.
Optionally, the first partition is disposed perpendicular to an axial direction of the tank.
Optionally, each of the second partitions is disposed perpendicular to the first partition.
Optionally, the two-chamber liquid separation tank further comprises: the air inlet pipe is communicated with the air inlet; the air outlet pipes are communicated with the air outlets.
Optionally, the two-chamber liquid separation tank further comprises: the support legs are connected with the outer wall of the tank body.
Optionally, each supporting leg is provided with a mounting hole in a penetrating manner.
Optionally, the cross-sectional area of each of the air intake holes is the same.
Optionally, the corner of each air inlet hole is set to be in smooth transition.
Compared with the prior art, the technical scheme provided by the utility model has at least the following beneficial effects:
according to the two-chamber liquid separating tank, the tank body is divided into the static pressure chamber and the pressure equalizing chamber by the first partition plate, the pressure equalizing chamber is divided into the independent flow dividing chambers, the refrigerant fluid entering the static pressure chamber is stabilized, then enters the corresponding flow dividing chambers through different air inlets on the first partition plate, and is discharged into the corresponding heat exchanger modules through the air outlets correspondingly communicated with the flow dividing chambers, so that the refrigerant fluid is distributed more uniformly, and the uniform distribution of the refrigerant is realized.
Drawings
FIG. 1 is a schematic view of a two-chamber liquid separation tank according to one embodiment of the present utility model;
FIG. 2 is a partial cross-sectional view of the two-chamber fluid separation tank of FIG. 1;
fig. 3 is a schematic diagram of the path of refrigerant migration within the two-chamber liquid separation tank of fig. 2.
Reference numerals:
1: a tank body; 2: a first separator; 21: an air inlet hole; 3: a partition assembly; 31: a second separator; 311: equalizing holes; 4: a static pressure chamber; 5: a pressure equalizing chamber; 6: a shunt cavity; 7: an air inlet pipe; 8: an air outlet pipe; 9: a support leg; 91: and (5) mounting holes.
Detailed Description
Embodiments of the present utility model will be further described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and are not to indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
FIG. 1 is a schematic view of a two-chamber liquid separation tank according to one embodiment of the present utility model; FIG. 2 is a partial cross-sectional view of the two-chamber fluid separation tank of FIG. 1; fig. 3 is a schematic diagram of the path of refrigerant migration within the two-chamber liquid separation tank of fig. 2.
As shown in fig. 1-3, the two-chamber liquid separating tank comprises a tank body 1, a first partition plate 2 and a partition assembly 3. The tank body 1 is provided with an air inlet and a plurality of air outlets, and an accommodating cavity which is communicated with the air inlet and the air outlets is arranged in the tank body 1; the first partition plate 2 is connected with the inner wall of the accommodating cavity to divide the accommodating cavity into a static pressure cavity 4 communicated with the air inlet and a pressure equalizing cavity 5 communicated with a plurality of air outlets, and a plurality of air inlets 21 are formed in the first partition plate 2 in a penetrating manner; the separation component 3 is disposed in the pressure equalizing chamber 5, and separates the pressure equalizing chamber 5 into a plurality of independent flow dividing chambers 6, and each flow dividing chamber 6 includes one air inlet 21 and one air outlet.
When the heat exchange device is used, high-temperature high-pressure gas-liquid two-phase refrigerant is injected into the static pressure chamber 4 communicated with the air inlet through the air inlet, the cross section area of the static pressure chamber 4 is increased compared with that of the air inlet, the flow speed of the refrigerant is greatly reduced, dynamic pressure is reduced, static pressure is increased, fluid can be initially stabilized, the stabilized refrigerant fluid passes through the first partition plate 2 through the air inlet holes 21, respectively enters the split flow cavities 6 corresponding to the air inlet holes 21, is discharged through the air outlets corresponding to the split flow cavities 6, and enters the corresponding heat exchanger module to complete heat exchange work.
According to the two-chamber liquid separating tank, the tank body 1 is divided into the static pressure chamber 4 and the pressure equalizing chamber 5 by the first partition plate 2, the pressure equalizing chamber 5 is divided into the independent flow dividing chambers 6, the refrigerant fluid entering the static pressure chamber 4 is stabilized, then enters the corresponding flow dividing chambers 6 through different air inlet holes 21 on the first partition plate 2, and is discharged into the corresponding heat exchanger modules through air outlets correspondingly communicated with the flow dividing chambers 6, so that the refrigerant fluid distribution is more uniform, and the uniform distribution of the refrigerant is realized.
In this embodiment, as shown in fig. 1-3, the tank 1 is configured as a hollow cylinder, the air inlet is formed on a bottom side wall of the tank 1, four air outlets are spaced apart from each other and are formed on a top circumference of the tank 1, and are uniformly distributed along the circumference, the first partition plate 2 is a circular plate matched with an inner diameter of the tank 1, and is fixedly connected with an inner wall of the tank 1 at an approximate center of a height of the tank 1, so that a containing cavity of the tank 1 is divided into a static pressure cavity 4 communicated with the air inlet at a lower part and a pressure equalizing cavity 5 communicated with the air outlet at an upper part, and four identical air inlets 21 are uniformly formed on the first partition plate 2, and each air inlet 21 is approximately fan-shaped. The separation component 3 is a combined plate body, the pressure equalizing cavity 5 is equally divided into four diversion cavities 6 with the same size, each diversion cavity 6 comprises an air inlet 21 and an air outlet, the direction indicated by an arrow in fig. 3 is the moving path of the refrigerant, as shown in fig. 3, the refrigerant fluid enters the static pressure cavity 4 through the air inlet, after preliminary stabilization in the static pressure cavity 4, the refrigerant fluid enters the corresponding diversion cavity 6 through each air inlet 21 to be diverted, and is discharged to the corresponding heat exchanger module through the air outlet communicated with the corresponding diversion cavity 6. According to practical application, the shape and size of the tank body 1, the specific connection position of the first partition plate 2 and the tank body 1, and the shape and size of the air inlet 21 can be adjusted, and the number of the flow distribution cavities 6 and the number of the air inlet 21 are adjusted along with the change of the air outlet.
Optionally, the partition assembly 3 includes a plurality of second partition plates 31, wherein a first end of each second partition plate 31 is connected to each other, a free end of each second partition plate 31 is connected to an inner wall of the pressure equalizing chamber 5 or the first partition plate 2, and two adjacent second partition plates 31, the tank 1 and the first partition plate 2 enclose one split flow chamber 6. This arrangement simplifies the structural composition of the partition assembly 3, facilitating assembly and operation.
In this embodiment, as shown in fig. 2 and 3, the partition assembly 3 includes four identical rectangular second partition plates 31, wherein a first end of each second partition plate 31, that is, an end far away from an outer wall of the tank body 1, is connected to each other, an upper end face of each second partition plate 31 and an end face facing away from the first end are connected to an inner wall of the tank body 1, a lower end face of each second partition plate 31 is vertically connected to the first partition plate 2, two adjacent second partition plates 31 are mutually perpendicular, and the four second partition plates 31 equally divide the pressure equalizing chamber 5 into four independent flow dividing chambers 6. According to practical application, the specific shape of the second partition plate 31 may be adjusted, and the number of the second partition plates 31 may be adjusted according to the change of the air outlet.
Optionally, each second partition plate 31 is provided with a pressure equalizing hole 311. By the arrangement, the flow distribution cavities 6 corresponding to the air outlets are communicated, so that the purpose of automatically and uniformly distributing the pressure in the flow distribution cavities 6 is achieved, and the flow equalization effect is further achieved.
In this embodiment, as shown in fig. 2 and 3, the pressure equalizing hole 311 is a circular hole with a diameter of 8mm, and is formed on a side of the second partition plate 31 near the axis of the tank 1 and near the top end of the tank 1. When the pressure in one of the shunt cavities 6 is smaller, the other shunt cavities 6 automatically supplement air into the shunt cavity 6; when the pressure in one of the distribution chambers 6 is larger, the distribution chamber 6 automatically exhausts to the other distribution chambers 6, so that the pressure in each distribution chamber 6 is the average value of the pressures at each air outlet. According to practical application, the size of the pressure equalizing hole 311 and the specific opening position of the second partition plate 31 can be adjusted.
Alternatively, the first partition plate 2 is disposed perpendicular to the axial direction of the can 1. This arrangement allows the refrigerant fluid in the static pressure chamber 4 to pass through the intake holes 21 to the maximum extent while flowing through the first separator plate 2.
In this embodiment, as shown in fig. 2 and 3, the tank body 1 is a hollow cylinder, the first partition plate 2 is a circular plate body matched with the inner diameter of the tank body 1, and the first partition plate 2 is horizontally arranged, is perpendicular to the axis of the tank body 1, and is coaxially arranged with the axis of the tank body 1.
Alternatively, each of the second partitions 31 is disposed perpendicularly to the first partition 2. This arrangement allows the refrigerant fluid to enter the bypass chamber 6 through the air inlet 21 of the first separator 2 smoothly along the original path of movement without being blocked by the second separator 2.
In this embodiment, as shown in fig. 2 and 3, the first partition plates 2 are disposed perpendicular to the axis of the tank 1, and each of the second partition plates 31 is disposed perpendicular to the first partition plates 2.
Optionally, the two-chamber liquid separating tank further comprises an air inlet pipe 7 and a plurality of air outlet pipes 8. The air inlet pipe 7 is communicated with the air inlet; one of the air outlet pipes 8 is communicated with one of the air outlets. Preassembling the air inlet pipe 7 and the air outlet pipe 8 is convenient for injecting the refrigerant fluid into the tank body 1, and simultaneously, is convenient for discharging the refrigerant fluid in the tank body 1 to each heat exchanger module.
In this embodiment, as shown in fig. 1, one air inlet pipe 7 is communicated with the air inlet on the side wall of the bottom end of the tank body 1, and four air outlet pipes 8 are communicated with four air outlets on the top end circumference of the tank body 1 in a one-to-one correspondence manner. The number of the air outlet pipes 8 is adjusted along with the change of the air outlets.
Optionally, the two-chamber liquid separating tank further comprises a plurality of support legs 9, and the support legs 9 are connected with the outer wall of the tank body 1. The support legs 9 are arranged so as to be convenient for stably mounting the tank body 1 on a required working surface.
In this embodiment, three legs 9 are provided, and are fixedly connected to the bottom end surface of the tank 1. According to practical application, the number of the supporting legs 9 and the specific connection position with the tank body 1 can be adjusted.
Optionally, each of the supporting legs 9 is provided with a mounting hole 91 therethrough. The mounting holes 91 are preset, so that the support legs 9 are fixedly connected with the working surface, and the on-site construction efficiency is improved.
In this embodiment, each of the legs 9 is provided with a flange, and the mounting hole 91 is formed in the flange.
Alternatively, the cross-sectional area of each of the intake holes 21 is the same. By the arrangement, the flow rate of the refrigerant entering each flow distribution cavity 6 in the same time is the same, the flow rate of the refrigerant discharged to each heat exchanger module through each air outlet is further ensured to be the same, and the effect of uniform liquid distribution is achieved.
In the present embodiment, each of the intake holes 21 is provided in an approximately fan shape.
Alternatively, the corners of each of the intake holes 21 may be provided with a smooth transition. This arrangement allows refrigerant fluid to pass smoothly through the intake holes 21.
In this embodiment, as shown in fig. 2 and 3, the air intake holes 21 are smoothly transited at each corner.
The following further describes the use process of the two-chamber liquid separation tank with reference to fig. 3:
when the heat exchanger is used, high-temperature and high-pressure gas-liquid two-phase refrigerant is injected into the communicated static pressure chamber 4 through the air inlet pipe 7 and the air inlet, the cross section area of the static pressure chamber 4 is increased compared with that of the air inlet, the flow speed of the refrigerant is greatly reduced, dynamic pressure is reduced, static pressure is increased, fluid can be initially stabilized, the stabilized refrigerant fluid passes through the first partition plate 2 through the air inlet holes 21 and respectively enters the split flow cavities 6 corresponding to the air inlet holes 21, the split flow cavities 6 are communicated through the pressure equalizing holes 311 formed in the second partition plate 31, so that the pressure in the split flow cavities 6 is the same, finally, the refrigerant fluid is discharged through the air outlet and the air outlet pipe 8 which are correspondingly communicated with the split flow cavities 6, enters the corresponding heat exchanger modules to complete heat exchange work, and the flow rate of the refrigerant entering each heat exchanger module is the same.
According to the two-chamber liquid separating tank, the tank body 1 is divided into the static pressure chamber 4 and the pressure equalizing chamber 5 by the first partition plate 2, the pressure equalizing chamber 5 is divided into the independent flow dividing chambers 6, the refrigerant fluid entering the static pressure chamber 4 is stabilized, then enters the corresponding flow dividing chambers 6 through different air inlet holes 21 on the first partition plate 2, and is discharged into the corresponding heat exchanger modules through air outlets correspondingly communicated with the flow dividing chambers 6, so that the refrigerant fluid distribution is more uniform, and the uniform distribution of the refrigerant is realized.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A two-chamber liquid separation tank, comprising:
the tank body is provided with an air inlet and a plurality of air outlets, and an accommodating cavity which is communicated with the air inlet and the air outlets is arranged in the tank body;
the first partition plate is connected with the inner wall of the accommodating cavity to divide the accommodating cavity into a static pressure cavity communicated with the air inlet and a pressure equalizing cavity communicated with the air outlets, and a plurality of air inlets are formed in the first partition plate in a penetrating manner;
the separation assembly is arranged in the pressure equalizing cavity, the pressure equalizing cavity is divided into a plurality of independent flow dividing cavities, and each flow dividing cavity comprises an air inlet hole and an air outlet.
2. The two-compartment liquid separation tank of claim 1 wherein the separation assembly comprises:
the first ends of the second partition boards are connected with each other, the free end of each second partition board is connected with the inner wall of the pressure equalizing cavity or the first partition board, and two adjacent second partition boards are enclosed into one flow dividing cavity with the tank body and the first partition board.
3. The two-chamber liquid separation tank according to claim 2, wherein:
and each second baffle plate is provided with a pressure equalizing hole in a penetrating way.
4. A two-chamber liquid separation tank according to claim 2 or 3, wherein:
the first partition plate is perpendicular to the axial direction of the tank body.
5. The two-chamber liquid separation tank according to claim 4, wherein:
each second baffle is perpendicular to the first baffle.
6. A two-compartment liquid separation tank according to any one of claims 1 to 3 further comprising:
the air inlet pipe is communicated with the air inlet;
the air outlet pipes are communicated with the air outlets.
7. A two-compartment liquid separation tank according to any one of claims 1 to 3 further comprising:
the support legs are connected with the outer wall of the tank body.
8. The two-compartment liquid separation tank of claim 7, wherein:
each supporting leg is provided with a mounting hole in a penetrating mode.
9. A two-compartment liquid separation tank according to any one of claims 1 to 3 wherein:
the cross-sectional area of each air inlet hole is the same.
10. A two-compartment liquid separation tank according to any one of claims 1 to 3 wherein:
the corner of each air inlet hole is set to be in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215023.3U CN218936738U (en) | 2022-11-30 | 2022-11-30 | Two-chamber liquid separating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215023.3U CN218936738U (en) | 2022-11-30 | 2022-11-30 | Two-chamber liquid separating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218936738U true CN218936738U (en) | 2023-04-28 |
Family
ID=86084216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223215023.3U Active CN218936738U (en) | 2022-11-30 | 2022-11-30 | Two-chamber liquid separating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218936738U (en) |
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2022
- 2022-11-30 CN CN202223215023.3U patent/CN218936738U/en active Active
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