CN210861820U - Multi-flow U-shaped tube dry evaporator - Google Patents
Multi-flow U-shaped tube dry evaporator Download PDFInfo
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- CN210861820U CN210861820U CN201921579230.2U CN201921579230U CN210861820U CN 210861820 U CN210861820 U CN 210861820U CN 201921579230 U CN201921579230 U CN 201921579230U CN 210861820 U CN210861820 U CN 210861820U
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Abstract
The utility model provides a multi-flow U-shaped tube dry evaporator, which comprises a cylindrical body, wherein the end part of the cylindrical body is provided with an end plate, the end plate is provided with a refrigerant distribution box, the refrigerant distribution box is connected with a plurality of U-shaped tubes, a plurality of separation ribs are arranged in the refrigerant distribution box, the separation ribs separate the refrigerant distribution box into a plurality of cavities which are arranged in sequence, and the U-shaped tubes are connected in the cavities and sequentially communicate the cavities; the evaporator adopts a multi-flow design aiming at the design of a U-shaped pipe, the number of refrigerant heat exchange pipes of each flow is optimized under the same heat exchange area, the flow rate is improved, the heat exchange coefficient is greatly improved, and the miniaturization design of the dry evaporator is realized.
Description
Technical Field
The utility model relates to a refrigeration air conditioner field especially relates to multithread U type pipe dry-type evaporator.
Background
The dry evaporator has high reliability, liquid refrigerant and oil after being throttled by the expansion valve in the refrigeration system enter the dry evaporator to be evaporated, the oil is carried back to the compressor under the driving of airflow, the compressor is ensured not to lose oil, and meanwhile, superheat degree control is adopted, so that the control of the refrigerant flow is facilitated, and the dry evaporator is commonly used in a water chilling unit. The dry evaporator adopts a straight pipe design and a U-shaped pipe design, and adopts the straight pipe design, which is beneficial to the design of multiple processes, but adopts double pipe plates, so that the cost is high; the design of the U-shaped pipe is generally a two-flow design, and under the condition that the heat exchanger is required to be short, the two-flow design has the advantages that the number of heat exchange pipes in each flow is large, the flow velocity of the refrigerant is low, and the heat exchange coefficient of the refrigerant side is quite low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multi-flow U-shaped tube dry evaporator, which comprises a tube body, wherein the end part of the tube body is provided with an end plate, the end plate is provided with a refrigerant distribution box, the refrigerant distribution box is connected with a plurality of U-shaped tubes,
a plurality of partition ribs are arranged in the refrigerant distribution box, the partition ribs partition the refrigerant distribution box into a plurality of cavities which are arranged in sequence, and the U-shaped pipe is connected in the cavities and sequentially communicates the cavities;
the refrigerant distribution box is connected with a first refrigerant interface and a second refrigerant interface, the first refrigerant interface is connected to a first cavity, and the second refrigerant interface is connected to the last cavity.
The end part of the refrigerant distribution box is provided with an end cover, a first refrigerant interface and a second refrigerant structure penetrate through the end cover, and the end cover is provided with a sealing ring which is sealed and closed with an opening of the refrigerant distribution box.
Preferably, the number of the separation ribs is two, the cavity is divided into a first cavity, a second cavity and a third cavity, and the first cavity, the second cavity and the third cavity are sequentially communicated with U-shaped pipes, so that 4 processes are formed.
Preferably, the number of the partition ribs is three, the cavity is divided into a first cavity, a second cavity, a third cavity and a fourth cavity, and the first cavity, the second cavity, the third cavity and the fourth cavity are sequentially communicated with U-shaped pipes, so that 6 processes are formed.
Preferably, the number of the separating ribs is 4, the cavity is divided into a first cavity, a second cavity, a third cavity and a fourth cavity, and the first cavity, the second cavity, the third cavity and the fourth cavity are sequentially communicated with U-shaped pipes, so that 8 processes are formed.
Preferably, the number of the separating ribs is 5, the cavity is divided into a first cavity, a second cavity, a third cavity, a fourth cavity and a fifth cavity, and the first cavity, the second cavity, the third cavity, the fourth cavity and the fifth cavity are sequentially communicated with U-shaped pipes, so that 10 processes are formed.
Preferably, the side wall of the cylinder body is provided with a first waterway interface and a second waterway interface.
Preferably, a distribution plate is arranged in the cavity before the cavity connected with the second refrigerant mechanism.
A multi-flow U-shaped tube dry evaporator comprises a tube body, wherein an end plate is arranged at the end part of the tube body, a refrigerant distribution box is arranged on the end plate, a plurality of U-shaped tubes are connected onto the refrigerant distribution box, a plurality of separation ribs are arranged in the refrigerant distribution box, the separation ribs separate the refrigerant distribution box into a plurality of cavities which are arranged in sequence, the U-shaped tubes are connected into the cavities, the diameters of bent tubes of the U-shaped tubes are reduced in sequence and are arranged in the tube body in a sleeved mode, and the U-shaped tubes are communicated with the cavities which are arranged in sequence; the refrigerant distribution box is connected with a first refrigerant interface and a second refrigerant interface, the first refrigerant interface is connected to a cavity connected with a U-shaped pipe with the largest radius of the bent pipe, and the second refrigerant interface is connected to a cavity connected with the U-shaped pipe with the smallest radius of the bent pipe.
The utility model provides a multi-flow U type pipe dry-type evaporator has following beneficial effect: the evaporator adopts a multi-flow design aiming at the design of the U-shaped pipe, the quantity of the refrigerant heat exchange pipes of each flow is optimized under the same heat exchange area, the flow velocity is improved, the heat exchange coefficient is greatly improved, and meanwhile, the miniaturization design of the dry evaporator is realized by optimizing the arrangement of the U-shaped pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic side view of embodiment 1 of the present invention;
fig. 2 is a schematic diagram of distribution in the refrigerant distribution box according to embodiment 1 of the present invention;
fig. 3 is a schematic side view of embodiment 2 of the present invention;
fig. 4 is a schematic diagram of distribution in the refrigerant distribution box according to embodiment 2 of the present invention;
fig. 5 is a schematic side view of embodiment 3 of the present invention;
fig. 6 is a schematic diagram of distribution in the refrigerant distribution box according to embodiment 3 of the present invention;
fig. 7 is a schematic view of an end cap of the present invention;
fig. 8 is a schematic view of embodiment 4 of the present invention;
fig. 9 is a schematic view of embodiment 5 of the present invention;
fig. 10 is a schematic view of embodiment 6 of the present invention;
wherein, 1, a cylinder body; 2. an end plate; 3. a refrigerant distribution box; 4. separating ribs; 5. a first cavity; 6. a second cavity; 7. a third cavity; 8. a fourth cavity; 9. a fifth cavity; 10. a U-shaped tube; 11. a first refrigerant interface; 12. a second refrigerant interface; 13. a first waterway interface; 14. a second waterway interface 14; 15. And (4) end covers.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, the utility model provides a multi-flow U-tube dry evaporator, which comprises a tube body 1, wherein an end plate 2 is arranged at the end of the tube body 1, a refrigerant distribution box 3 is arranged on the end plate 2, a plurality of U-tubes 10 are connected to the refrigerant distribution box 3, 100U-tubes 10 are selected in this embodiment and divided into 50U-tubes 10 in each group, 2 ribs 4 are arranged in the refrigerant distribution box 3, the ribs 4 are made of metal plates and vertically arranged in the refrigerant distribution box 3, the ribs 4 divide the refrigerant distribution box 3 into 3 cavities arranged in sequence, the U-tubes 10 are connected in the cavities and communicate the cavities in sequence, two ends of the U-tubes 10 are respectively connected between two adjacent cavities, in this embodiment, the U-tubes are respectively named as a first cavity 5, a second cavity 6 and a third cavity 7, through the U-shaped pipes 10, 4 flow paths are formed, the refrigerant distribution box 3 is connected with a first refrigerant interface 11 and a second refrigerant interface 12, the first refrigerant interface 11 is connected to the first cavity 5, the second refrigerant interface 12 is connected to the third cavity 7, specifically, the refrigerant enters the first cavity 5 from the first refrigerant interface 11, flows into the second flow path from the bent pipe position through the first U-shaped pipe 10 as the first flow path, enters the second cavity 6, enters the third flow path through the second group of U-shaped pipes 10, enters the third cavity 7 from the bent pipe position after entering the fourth flow path, is discharged from the second refrigerant interface 12, and a distribution plate is arranged in the second cavity 6, so that the gas-liquid uniformity of the refrigerant is ensured.
In this embodiment, an end cover 15 is disposed at an end of the refrigerant distribution box 3, a first refrigerant port 11 and a second refrigerant structure pass through the end cover 15, a sealing ring is disposed on the end cover 15, and is sealed and closed with an opening of the refrigerant distribution box 3, and a first water path port 13 and a second water path port 14 disposed on the cylinder 1 are cooled by introducing cold water as a medium and then transmitted to each user end.
Example 2
The utility model provides a multi-flow U-shaped tube dry evaporator, which comprises a tube body 1, wherein the end part of the tube body 1 is provided with an end plate 2, the end plate 2 is provided with a refrigerant distribution box 3, the refrigerant distribution box 3 is connected with a plurality of U-shaped tubes 10, 3 separating ribs 4 are arranged in the refrigerant distribution box 3, the separating ribs 4 are made of sheet metal and are vertically arranged in the refrigerant distribution box 3, the refrigerant distribution box 3 is separated into 4 cavities which are arranged in sequence by the separating ribs 4, the U-shaped tubes 10 are connected in the cavities and are communicated in sequence, two ends of the U-shaped tubes 10 are respectively connected between two adjacent cavities, in the embodiment, the U-shaped tubes are respectively named as a first cavity 5, a second cavity 6, a third cavity 7 and a fourth cavity 8, 6 flows are formed through the U-shaped tubes 10, the refrigerant distribution box 3 is connected with a first refrigerant interface 11 and a second refrigerant interface 12, the first refrigerant interface 11 is connected to the first cavity 5, the second refrigerant interface 12 is connected to the fourth cavity 8, specifically, the refrigerant enters the first cavity 5 from the first refrigerant interface 11, flows into the second flow from the bent pipe position through the first U-shaped pipe 10 as a first flow, enters the second cavity 6, then enters the third flow through the second group of U-shaped pipes 10, enters the fourth flow from the bent pipe position, enters the third cavity 7, passes through the U-shaped pipe 10 in the third cavity 7, enters the fifth flow, then enters the sixth flow from the bent pipe, and then is discharged from the second refrigerant interface 12, and the distribution plate is arranged in the third cavity 7, so that the gas-liquid uniformity of the refrigerant is ensured.
In this embodiment, an end cover 15 is disposed at an end of the refrigerant distribution box 3, a first refrigerant port 11 and a second refrigerant structure pass through the end cover 15, a sealing ring is disposed on the end cover 15, and is sealed and closed with an opening of the refrigerant distribution box 3, and a first water path port 13 and a second water path port 14 disposed on the cylinder 1 are cooled by introducing cold water as a medium and then transmitted to each user end.
Example 3
The utility model provides a multi-flow U-shaped tube dry evaporator, which comprises a barrel body 1, wherein the end part of the barrel body 1 is provided with an end plate 2, the end plate 2 is provided with a refrigerant distribution box 3, the refrigerant distribution box 3 is connected with a plurality of U-shaped tubes 10, 4 separating ribs 4 are arranged in the refrigerant distribution box 3, the separating ribs 4 are made of metal plates and are vertically arranged in the refrigerant distribution box 3, the separating ribs 4 separate the refrigerant distribution box 3 into 5 cavities which are arranged in sequence, the U-shaped tubes 10 are connected in the cavities and are communicated in sequence, two ends of the U-shaped tubes 10 are respectively connected between two adjacent cavities, in the embodiment, the U-shaped tubes are respectively named as a first cavity 5, a second cavity 6, a third cavity 7, a fourth cavity 8 and a fifth cavity 9, and 8 flow paths are formed through the U-shaped tubes 10, the refrigerant distribution box 3 is connected with a first refrigerant interface 11 and a second refrigerant interface 12, the first refrigerant interface 11 is connected to the first cavity 5, the second refrigerant interface 12 is connected to the fifth cavity 9, specifically, the refrigerant enters the first cavity 5 from the first refrigerant interface 11, flows into the second flow from the bent pipe position through the first U-shaped pipe 10 as the first flow, enters the second cavity 6, then enters the third flow through the second group of U-shaped pipes 10, enters the fourth flow from the bent pipe position, enters the third cavity 7, passes through the U-shaped pipe 10 in the third cavity 7, enters the fifth flow, then enters the sixth flow from the bent pipe, passes through the U-shaped pipe 10 in the fourth cavity 8 again, performs the seventh flow, then enters the eighth flow through the bent pipe part, and then is discharged from the second refrigerant interface 12, and a distribution plate is arranged in the fourth cavity 8 to ensure the gas-liquid uniformity of the refrigerant.
In this embodiment, an end cover 15 is disposed at an end of the refrigerant distribution box 3, a first refrigerant port 11 and a second refrigerant structure pass through the end cover 15, a sealing ring is disposed on the end cover 15, and is sealed and closed with an opening of the refrigerant distribution box 3, and a first water path port 13 and a second water path port 14 disposed on the cylinder 1 are cooled by introducing cold water as a medium and then transmitted to each user end.
Example 4
The present embodiment has the same number of ribs 4 and other structures as those of embodiment 1, and is different in that U-shaped tubes 10 with different bent tube inner diameters are selected as the U-shaped tubes 10, the first cavity 55, the second cavity 66 and the third cavity 77 are separated by the ribs 44, the first refrigerant interface 11 is connected to the first cavity 5 as an inlet, the second refrigerant interface 12 is connected to the second cavity 6 as an outlet, one end of the U-shaped tube 10 of the bent tube with the largest diameter is connected to the first cavity 5, the other end of the U-shaped tube is connected to the third cavity 77, the U-shaped tube 10 of the bent tube with the second largest diameter is located inside, and the third cavity 7 and the second cavity 6 are connected to each other.
Example 5
The present embodiment is the same as the embodiment 2 in the number of the ribs 4 and other structures, and is different in that the U-shaped tube 10 with different bent tube inner diameters is selected as the U-shaped tube 10, the rib 44 is divided into the first cavity 55, the second cavity 66, the third cavity 77, and the fourth cavity 88, and the first refrigerant interface 11 is connected on the first cavity 5 as an inlet, the second refrigerant interface 12 is connected on the third cavity 7 as an outlet, one end of the U-shaped pipe 10 of the elbow with the largest diameter is connected in the first cavity 5, the other end is connected in the fourth cavity 8, the U-shaped pipe 10 of the elbow with the second large diameter is arranged at the inner side, the fourth cavity 8 and the second cavity 6 are connected, and then smaller U-shaped pipes 10 are connected in turn to communicate the second cavity 6 with the third cavity 7, this arrangement achieves the same cooling efficiency as in example 2, but the nested U-tubes 10 reduce the overall size of the apparatus.
Example 6
The present embodiment is the same as the embodiment 2 in the number of the ribs 4 and other structures, and is different in that the U-shaped tube 10 is the U-shaped tube 10 with different bent tube inner diameters, the rib 44 is divided into the first cavity 55, the second cavity 66, the third cavity 77, the fourth cavity 88 and the fifth cavity 9, the first refrigerant interface 11 is connected to the first cavity 5 as an inlet, the second refrigerant interface 12 is connected to the third cavity 7 as an outlet, one end of the U-shaped tube 10 of the bent tube with the largest diameter is connected to the first cavity 5, the other end is connected to the fifth cavity 9, the U-shaped tube 10 of the bent tube with the second large diameter is connected to the inner side and is connected to the fifth cavity 9 and the second cavity 6, the smaller U-shaped tube 10 is connected in sequence to communicate the second cavity 6 with the fourth cavity 8, the U-shaped tube 10 with the smaller bent tube diameter is connected in sequence to the fourth cavity 7, the arrangement mode achieves the same cooling efficiency as the embodiment 3, the nested hairpin tubes 10 reduce the overall size of the device.
In the six embodiments, the number of the flow paths is increased, so that the heat exchange efficiency is increased under the same heat exchange area, and the volume of the dry evaporator is reduced.
Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A multi-flow U-shaped tube dry evaporator comprises a tube body (1), an end plate (2) is arranged at the end part of the tube body (1), a refrigerant distribution box (3) is arranged on the end plate (2), a plurality of U-shaped tubes (10) are connected on the refrigerant distribution box (3), and the multi-flow U-shaped tube dry evaporator is characterized in that,
a plurality of separation ribs (4) are arranged in the refrigerant distribution box (3), the refrigerant distribution box (3) is separated into a plurality of cavities which are arranged in sequence by the separation ribs (4), and the U-shaped pipes (10) are connected in the cavities and sequentially communicate the cavities;
the refrigerant distribution box (3) is connected with a first refrigerant interface (11) and a second refrigerant interface (12), the first refrigerant interface (11) is connected to a first cavity, and the second refrigerant interface (12) is connected to a last cavity.
2. The dry evaporator with the multi-flow U-shaped tubes as recited in claim 1, wherein the number of the partition ribs (4) is two, the cavity is divided into a first cavity (5), a second cavity (6) and a third cavity (7), and the first cavity, the second cavity and the third cavity are sequentially communicated with U-shaped tubes (10), so that 4 flow paths are formed.
3. The dry evaporator with the multi-flow U-shaped tubes as recited in claim 1, wherein the number of the partition ribs (4) is three, the cavity is divided into a first cavity (5), a second cavity (6), a third cavity (7) and a fourth cavity, and the first cavity, the second cavity, the third cavity and the fourth cavity are sequentially communicated with the U-shaped tubes (10), so that 6 flow paths are formed.
4. The dry evaporator with the multi-flow U-shaped tubes as recited in claim 1, wherein the number of the partition ribs (4) is four, the cavity is divided into a first cavity (5), a second cavity (6), a third cavity (7) and a fourth cavity (8), and the first cavity, the second cavity, the third cavity and the fourth cavity are sequentially communicated with the U-shaped tubes (10), so that 8 flow paths are formed.
5. The dry evaporator with the multi-flow U-shaped tube as recited in claim 1, wherein the number of the separation ribs (4) is five, the cavity is divided into a first cavity (5), a second cavity (6), a third cavity (7), a fourth cavity (8) and a fifth cavity (9), and U-shaped tubes (10) are sequentially communicated with each other, so that 10 flow paths are formed.
6. The dry evaporator with multi-flow U-tube according to claim 1, wherein a distribution plate is provided in a previous chamber of the chambers to which the second refrigerant mechanism is connected.
7. The dry evaporator with multiple U-shaped flow paths as recited in claim 1, wherein the side wall of the cylinder (1) is provided with a first waterway connector (13) and a second waterway connector (14).
8. The dry evaporator with multiple U-tubes according to claim 1, wherein the U-tubes (10) are sleeved with baffles.
9. A multi-flow U-shaped tube dry evaporator comprises a tube body (1), an end plate (2) is arranged at the end part of the tube body (1), a refrigerant distribution box (3) is arranged on the end plate (2), a plurality of U-shaped tubes (10) are connected on the refrigerant distribution box (3), and the multi-flow U-shaped tube dry evaporator is characterized in that,
a plurality of separation ribs (4) are arranged in the refrigerant distribution box (3), the refrigerant distribution box (3) is separated into a plurality of cavities which are sequentially arranged by the separation ribs (4), the U-shaped pipe (10) is connected in the cavities, the diameters of bent pipes of the U-shaped pipe (10) are sequentially reduced and are arranged in the barrel body (1) in a sleeved mode, and the U-shaped pipe (10) is communicated with the cavities at intervals;
the refrigerant distribution box (3) is connected with a first refrigerant interface (11) and a second refrigerant interface (12), the first refrigerant interface (11) is connected to a cavity connected with a U-shaped pipe (10) with the largest elbow radius, and the second refrigerant interface (12) is connected to a cavity connected with the U-shaped pipe (10) with the smallest elbow radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579230.2U CN210861820U (en) | 2019-09-23 | 2019-09-23 | Multi-flow U-shaped tube dry evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921579230.2U CN210861820U (en) | 2019-09-23 | 2019-09-23 | Multi-flow U-shaped tube dry evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210861820U true CN210861820U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921579230.2U Active CN210861820U (en) | 2019-09-23 | 2019-09-23 | Multi-flow U-shaped tube dry evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210861820U (en) |
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2019
- 2019-09-23 CN CN201921579230.2U patent/CN210861820U/en active Active
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