CN210180234U - High-efficiency heat exchange device - Google Patents
High-efficiency heat exchange device Download PDFInfo
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- CN210180234U CN210180234U CN201920407867.7U CN201920407867U CN210180234U CN 210180234 U CN210180234 U CN 210180234U CN 201920407867 U CN201920407867 U CN 201920407867U CN 210180234 U CN210180234 U CN 210180234U
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Abstract
The utility model provides a high-efficiency heat exchange device, wherein a flow equalizing structure is arranged in a cavity surrounded by a pipe box at one side of a refrigerant inlet, a shell and a pipe plate; the flow equalizing structure comprises a flow increasing pipe and a sponge layer, the flow increasing pipe is fixed on the wall of the pipe box and is coaxially arranged with the refrigerant inlet, the inner diameter of the flow increasing pipe is gradually increased from small to small along the refrigerant flowing direction, and the sponge layer is clamped between the flow increasing pipe and the pipe plate. The high-efficiency heat exchange device has the advantages that the process that the refrigerant flows through the flow increasing pipe is equivalent to that the diameter of the refrigerant fluid is smoothly enlarged, the good soaking and absorbing capacity of the sponge layer has temporary flow resistance for the refrigerant, the balance flow velocity and the uniform diffusion effect are realized, the refrigerant entering from the refrigerant inlet can synchronously and uniformly enter each heat exchange pipe through the treatment of the flow equalizing structure, the refrigerant in each heat exchange pipe is ensured to be in the same state, the phenomenon that the refrigerant in the heat exchange pipe at the edge is slowly updated is eliminated, and the heat exchange efficiency is favorably improved.
Description
Technical Field
The utility model relates to a heat exchanger field, concretely relates to high efficiency heat transfer device.
Background
The main elements of the shell-and-tube heat exchanger are heat exchange tubes distributed in a bundle, and when the shell-and-tube heat exchanger works, a refrigerant flows through the heat transfer tubes and exchanges heat with secondary refrigerant flowing through the shell, so that the purpose of changing the temperature of the secondary refrigerant is achieved. The existing shell-and-tube heat exchanger is generally horizontal, the heat exchange tubes arranged in the shell-and-tube heat exchanger are horizontally distributed, the diameter of a refrigerant inlet is generally far smaller than that of a bundled heat exchange tube, the refrigerant entering from the refrigerant inlet cannot synchronously and uniformly flow into each heat exchange tube, the closer to the edge, the slower the refrigerant in the heat exchange tube is updated, and the states of the refrigerant in each heat exchange tube are different, so that the heat exchange efficiency of the heat exchanger is influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that current tube heat exchanger exists, the utility model provides a high efficiency heat transfer device, this high efficiency heat transfer device's technical scheme is realized like this:
the high-efficiency heat exchange device comprises a shell, tube plates are arranged at two ends of the shell, heat exchange tubes are fixed between the tube plates, tube boxes are arranged outside the tube plates, a refrigerant inlet is arranged on one side of the tube boxes at two sides, a refrigerant outlet is arranged on the other side of the tube boxes, and a flow equalizing structure is arranged in a cavity surrounded by the tube boxes at one side of the refrigerant inlet, the shell and the tube plates;
the flow equalizing structure comprises a flow increasing pipe and a sponge layer, the flow increasing pipe is fixed on the wall of the pipe box and is arranged coaxially with the refrigerant inlet, the inner diameter of the flow increasing pipe is gradually increased from small to small along the refrigerant flowing direction, and the sponge layer is clamped between the flow increasing pipe and the pipe plate.
Furthermore, the flow increasing pipe comprises a first-stage flow increasing pipe and a second-stage flow increasing pipe, the first-stage flow increasing pipe is fixed on the wall of the pipe, the second-stage flow increasing pipe is fixed at the end part corresponding to the larger pipe diameter of the first-stage flow increasing pipe, the minimum pipe diameter of the second-stage flow increasing pipe is larger than the maximum pipe diameter of the first-stage flow increasing pipe, and the sponge layer is clamped between the second-stage flow increasing pipe and the pipe plate.
Furthermore, a throttle plate is arranged between the sponge layer and the tube plate, a throttle hole matched with the through hole in the tube plate is arranged on the throttle plate, and the aperture of the throttle hole is gradually reduced from large to small along the inflow direction of the refrigerant.
Further, a coolant inlet and a coolant outlet are also arranged on the shell.
Further, the secondary refrigerant inlet is arranged close to the refrigerant inlet, and the secondary refrigerant outlet is arranged close to the refrigerant outlet.
Further, the secondary refrigerant inlet is arranged close to the refrigerant outlet, and the secondary refrigerant outlet is arranged close to the refrigerant inlet.
The high-efficiency heat exchange device comprises a refrigerant inlet, a flow-increasing pipe in the flow-equalizing structure, a shell and a cavity surrounded by the pipe box, the shell and the pipe plate, wherein the inner pipe diameter of the flow-increasing pipe gradually increases from small to small, the diameter of refrigerant fluid is gradually enlarged in the process that the refrigerant flows through the flow-increasing pipe, the refrigerant flowing out of the flow-increasing pipe meets a sponge layer, the good soaking and absorbing capacity of the sponge layer has temporary flow resistance for the refrigerant, the balance flow rate and the uniform diffusion effect can ensure that the refrigerant is uniformly distributed in the whole sponge layer, the refrigerant on the sponge layer exceeds the absorbing capacity of the sponge layer along with the continuous supply of the subsequent refrigerant, enters each heat exchange pipe through a through hole in the pipe plate, and the refrigerant entering from the refrigerant inlet synchronously and uniformly enters each heat exchange pipe through the treatment of the flow-equalizing structure, the refrigerant in each heat exchange tube is ensured to be consistent, the phenomenon that the refrigerant in the heat exchange tube at the edge is slowly updated is eliminated, and the heat exchange efficiency is improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of the high efficiency heat exchange apparatus;
fig. 2 is a schematic diagram of a current sharing structure in the high efficiency heat exchange device.
Description of reference numerals:
in the figure: 1. the heat exchanger comprises a shell, a heat exchange tube 2, a tube plate 3, a tube box 4, a refrigerant inlet 5, a refrigerant outlet 6, a secondary refrigerant inlet 7, a secondary refrigerant outlet 8, a primary refrigerant outlet 9, a primary flow increasing tube 10, a secondary flow increasing tube 11, a sponge layer 12, a throttle plate 121 and a throttle hole.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model discloses a high efficiency heat transfer device, as shown in fig. 1, 2, including casing 1, casing 1 both ends are provided with tube sheet 3, are fixed with heat exchange tube 2 between tube sheet 3, are provided with pipe case 4 outside tube sheet 3, are provided with refrigerant inlet 5 on one side in the pipe case 4 of both sides, are provided with refrigerant outlet 6 on the opposite side, be provided with the structure of flow equalizing in the cavity that pipe case 4, casing 1 and tube sheet 3 of refrigerant inlet 5 one side surround;
the flow equalizing structure comprises a flow increasing pipe and a sponge layer 11, the flow increasing pipe is fixed on the wall of the pipe box 4 and is coaxial with the refrigerant inlet 5, the pipe diameter in the flow increasing pipe is gradually increased from small along the refrigerant flowing direction, and the sponge layer 11 is clamped between the flow increasing pipe and the pipe plate 3.
The high-efficiency heat exchange device comprises a refrigerant, wherein the refrigerant firstly flows from a refrigerant inlet 5 into a tube box 4 on one side of the refrigerant inlet 5, a cavity surrounded by a shell 1 and a tube plate 3, a flow increasing pipe in a flow equalizing structure is formed, the inner pipe diameter of the flow increasing pipe is gradually increased from small to small, the process that the refrigerant flows through the flow increasing pipe is equivalent to that the diameter of refrigerant fluid is gently enlarged, the refrigerant flowing out of the flow increasing pipe meets a sponge layer 11, the good soaking and absorbing capacity of the sponge layer 11 has temporary flow resistance for the refrigerant, the balance flow speed and the uniform diffusion effect can ensure that the refrigerant is uniformly distributed in the whole sponge layer 11, the refrigerant on the sponge layer 11 exceeds the absorbing and absorbing capacity of the sponge layer along with the continuous supply of subsequent refrigerant, enters each heat exchange tube 2 through a through hole in the tube plate 3, and is treated by the flow equalizing structure, and the, The purpose of uniformly entering each heat exchange tube ensures the consistent state of the refrigerant in each heat exchange tube, eliminates the phenomenon of slow update of the refrigerant in the heat exchange tubes at the edge and is beneficial to improving the heat exchange efficiency.
In this high efficiency heat transfer device, increase the flow tube and include one-level increase flow tube 9 and second grade increase flow tube 10, one-level increase flow tube 9 fixes on pipe case 4 wall, and second grade increase flow tube 10 fixes the tip that the great pipe diameter of one-level increase flow tube 9 corresponds, and the minimum pipe diameter that second grade increases flow tube 10 is greater than the biggest pipe diameter that one-level increases flow tube 9, and sponge layer 11 presss from both sides and establishes between second grade increase flow tube 10 and tube sheet 3. The two stages of flow increasing pipes are arranged, so that the diameter of the refrigerant fluid can be gradually enlarged in a larger range, and the flow equalizing effect of the sponge layer 11 can be better exerted.
In the high-efficiency heat exchange device, the throttle plate 12 is further arranged between the sponge layer 11 and the tube plate 3, the throttle plate 12 is provided with the throttle hole 121 matched with the through hole in the tube plate 3, the aperture of the throttle hole 121 is gradually reduced from large along the refrigerant inflow direction, and the sponge layer 11 plays a role in flow equalization, but the flow-blocking effect of the sponge layer also enables the flow velocity of refrigerant fluid to be reduced, and the flow velocity of the refrigerant fluid can be properly improved by adjusting the throttle hole 121.
In the high-efficiency heat exchange device, the shell 1 is also provided with a secondary refrigerant inlet 7 and a secondary refrigerant outlet 8. When the secondary refrigerant inlet 7 is arranged close to the refrigerant inlet 5 and the secondary refrigerant outlet 8 is arranged close to the refrigerant outlet 6, the high-efficiency heat exchange device is a forward flow heat exchange heat exchanger. When the secondary refrigerant inlet 7 is arranged close to the refrigerant outlet 6 and the secondary refrigerant outlet 8 is arranged close to the refrigerant inlet 5, the high-efficiency heat exchange device is a counter-flow heat exchange heat exchanger.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high efficiency heat exchange device, includes casing (1), and casing (1) both ends are provided with tube sheet (3), are fixed with heat exchange tube (2) between tube sheet (3), and tube sheet (3) are provided with pipe case (4) outward, are provided with refrigerant entry (5) on one side in both sides pipe case (4), are provided with refrigerant export (6), its characterized in that on the opposite side: a flow equalizing structure is arranged in a cavity surrounded by the tube box (4) at one side of the refrigerant inlet (5), the shell (1) and the tube plate (3);
the flow equalizing structure comprises a flow increasing pipe and a sponge layer (11), the flow increasing pipe is fixed on the wall of the pipe box (4) and is coaxial with the refrigerant inlet (5), the pipe diameter in the flow increasing pipe is gradually increased from small to small along the refrigerant inflow direction, and the sponge layer (11) is clamped between the flow increasing pipe and the pipe plate (3).
2. The high efficiency heat exchange apparatus of claim 1 wherein: the flow increasing pipe comprises a first-stage flow increasing pipe (9) and a second-stage flow increasing pipe (10), the first-stage flow increasing pipe (9) is fixed on the wall of the pipe box (4), the second-stage flow increasing pipe (10) is fixed at the end part corresponding to the larger pipe diameter of the first-stage flow increasing pipe (9), the minimum pipe diameter of the second-stage flow increasing pipe (10) is larger than the maximum pipe diameter of the first-stage flow increasing pipe (9), and the sponge layer (11) is clamped between the second-stage flow increasing pipe (10) and the pipe plate (3).
3. The high efficiency heat exchange apparatus of claim 2 wherein: a throttle plate (12) is further arranged between the sponge layer (11) and the tube plate (3), a throttle hole (121) matched with the through hole in the tube plate (3) is formed in the throttle plate (12), and the aperture of the throttle hole (121) is gradually reduced from large to small along the refrigerant inflow direction.
4. The high efficiency heat exchange apparatus of claim 1 or 2 or 3, wherein: and the shell (1) is also provided with a secondary refrigerant inlet (7) and a secondary refrigerant outlet (8).
5. The high efficiency heat exchange apparatus of claim 4 wherein: the secondary refrigerant inlet (7) is arranged close to the refrigerant inlet (5), and the secondary refrigerant outlet (8) is arranged close to the refrigerant outlet (6).
6. The high efficiency heat exchange apparatus of claim 4 wherein: the secondary refrigerant inlet (7) is arranged close to the refrigerant outlet (6), and the secondary refrigerant outlet (8) is arranged close to the refrigerant inlet (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920407867.7U CN210180234U (en) | 2019-03-28 | 2019-03-28 | High-efficiency heat exchange device |
Applications Claiming Priority (1)
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CN201920407867.7U CN210180234U (en) | 2019-03-28 | 2019-03-28 | High-efficiency heat exchange device |
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CN210180234U true CN210180234U (en) | 2020-03-24 |
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CN201920407867.7U Active CN210180234U (en) | 2019-03-28 | 2019-03-28 | High-efficiency heat exchange device |
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CN (1) | CN210180234U (en) |
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2019
- 2019-03-28 CN CN201920407867.7U patent/CN210180234U/en active Active
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Effective date of registration: 20200629 Address after: Wujin Xueyan town Lu Cheng Cun 213169 Jiangsu city of Changzhou Province Patentee after: Changzhou changbang heat exchanger Co., Ltd Address before: 301899 Baoping Street Jingyuan 62-2-102, Baoping street, Baodi, Tianjin Patentee before: TIANJIN LONGMEIJIA DECORATION ENGINEERING Co.,Ltd. |