Unilaterally enhanced heat transfer microchannel parallel flow forged heat exchanger

Abstract

The present application relates to a single-sided enhanced heat transfer microchannel parallel flow forged heat exchanger, comprising an integrally formed heat exchange block, the heat exchange block being provided with a plurality of first heat exchange holes; a partition plate being integrally formed at one end of the heat exchange block, the partition plate being arranged along the length of the heat exchange block, one end of the partition plate extending upward and downward and being in close contact with the inner wall of the first shell, the partition plate dividing the interior space of the first shell into an input space and an output space, the first shell being provided with an output pipe connected to the output space. The present application realizes heat exchange, utilizing multiple refluxes to provide a medium flow rate, thereby achieving a higher heat exchange effect. This process increases the contact area between the cold and hot fluids, thereby significantly improving the efficiency of the heat exchanger. The integrally formed heat exchange block has a high structural strength and obtains a larger heat exchange area with a smaller device volume.

Description

Technical Field

[0001] The present application relates to the field of heat exchange technology, and in particular to a single-side enhanced heat transfer microchannel parallel flow forged heat exchanger. Background Art

[0002] Heat exchangers are widely used in applications requiring heat dissipation, heat exchange, heat recovery, and evaporation. They are widely used in the chemical, energy, power, and aerospace industries, and are key components in numerous industrial products. The development of high-tech and renewable energy sources is driving the need for retrofitting existing heat exchangers.

[0003] Related art discloses a shell and tube heat exchanger, referring to Figure 1 , including a tube sheet 01, multiple baffles 02, a shell 03, multiple tube bundles 04 and two heads 05. The tube sheets 01 are welded to both ends of the shell 03. Multiple baffles 02 are welded at intervals on the inner wall of the shell 03. The tube bundle 04 passes through the multiple baffles 02, and both ends of the tube bundle 04 pass through the tube sheet 01. The head 05 is baffled and welded in the shell 03. The head 05 is connected to a first connecting pipe 06, and the shell 03 is connected to two second connecting pipes 07.

[0004] During use, the hot fluid and the cold fluid exchange heat through contact, but the contact time between the hot and cold fluids is short, the heat exchange effect is poor, and there are obvious shortcomings. Summary of the Invention

[0005] In order to improve the heat exchange effect, the present application provides a single-side enhanced heat transfer microchannel parallel flow forged heat exchanger.

[0006] The present application provides a single-side enhanced heat transfer microchannel parallel flow forged heat exchanger adopting the following technical solutions:

[0007] A single-sided enhanced heat transfer microchannel parallel flow forged heat exchanger includes an integrally formed heat exchange block, one end of which is provided with a first end cap, and the other end of which is provided with a second end cap. The first end cap is connected to a transverse air inlet pipe, and the second end cap is connected to a transverse air outlet pipe. The heat exchange block is provided with a plurality of first heat exchange holes, one end of each of which is connected to the transverse air inlet pipe, and the other end of each of which is connected to the transverse air outlet pipe.

[0008] One end of the heat exchange block is sleeved with a first shell, and the other end is sleeved with a second shell, the first head is communicated with the first shell, and the second head is communicated with the second shell, one end of the heat exchange block is integrally formed with a partition plate, and the partition plate is arranged along the length direction of the heat exchange block, one end of the partition plate extends to the upper and lower sides and is tightly attached to the inner wall of the first shell, the partition plate divides the internal space of the first shell into an input space and an output space, an input hole is opened at one end of the heat exchange block, and a transition hole is opened at the other end, the partition plate divides the input hole into two special-shaped holes, one special-shaped hole is communicated with the input space, and the other special-shaped hole is communicated with the output space, the partition plate divides the transition hole into two transition sub-holes, both of the transition sub-holes are communicated with the second shell, a second heat exchange hole is opened on the side wall of the special-shaped hole, one end of the second heat exchange hole is communicated with the transition hole, an input pipe communicated with the input space is provided on the first shell, and an output pipe communicated with the output space is provided on the first shell.

[0009] By adopting the above technical solution, when in use, the operator inputs hot fluid through the horizontal air inlet pipe, and the hot fluid enters multiple first heat exchange holes after passing through the first head, flows in the one-piece heat exchange block, and is discharged from the horizontal air outlet pipe. At the same time, the operator inputs cold fluid into the input pipe, and the cold fluid enters the input space, and then enters the second heat exchange hole through the special-shaped hole connected to the input space, and then is discharged into the second shell from the transition branch hole on one side, and then enters the second heat exchange hole from the transition branch hole on the other side, and then is discharged into the output space through the special-shaped hole connected to the output space, and then is discharged from the output pipe, thereby achieving heat exchange. Multiple refluxes are used to provide medium flow rate, thereby achieving higher heat exchange effect. This process increases the contact area of ​​hot and cold fluids, thereby greatly improving the heat exchange effect of the heat exchanger. The one-piece heat exchange block has high structural strength and does not require welding, thereby alleviating the problem that it is difficult for the operator to detect several welds in the heat exchanger, and a larger heat exchange area is obtained with a smaller equipment volume.

[0010] Optionally, a plurality of the second heat exchange holes are provided, and the plurality of the second heat exchange holes are arranged at intervals, and ends of the plurality of the second heat exchange holes away from the special-shaped holes are all connected to the corresponding transition holes.

[0011] By adopting the above technical solution and providing a plurality of second heat exchange holes, the contact area between the fluid and the heat exchange block can be increased, thereby improving the heat conversion efficiency.

[0012] Optionally, a plurality of the input holes are arranged at intervals, and the plurality of input holes are arranged along the width direction of the heat exchange block.

[0013] By adopting the above technical solution, the volume of the fluid that can be accommodated is increased, and compared with opening a large input hole, multiple input holes arranged at intervals can increase the capacity to accommodate more air while increasing the structural strength of the heat exchange block.

[0014] Optionally, the special-shaped hole is a waist-shaped hole, and the special-shaped hole is arranged along the length direction of the heat exchange block.

[0015] By adopting the above technical solution, when the longitudinal length of the heat exchange block is limited, by laterally expanding the length of the waist-shaped hole, it is possible to ensure that the gas input and input volume meet the heat exchange requirements.

[0016] Optionally, a filter plate is provided on the input pipe, and a plurality of filter holes are opened on the filter plate.

[0017] By adopting the above technical solution and providing a filter plate, the possibility of small impurity particles in the external air entering the heat exchange block can be reduced.

[0018] Optionally, the filter plate is arranged in a funnel shape, with one end of the filter plate having a large diameter and the other end having a small diameter, and the end with the large diameter is arranged toward the air inlet of the input pipe.

[0019] By adopting the above technical solution, the end with a larger diameter is arranged toward the outside, which facilitates the operation and installation of the filter plate. The filter plate arranged in a funnel shape can reduce the resistance encountered when inputting fluid.

[0020] Optionally, a supporting foot is connected to the side wall of the heat exchange block, a mounting plate is integrally formed on the supporting foot, and a bolt hole is provided on the mounting plate.

[0021] By adopting the above technical solution, during installation, the operator can place the heat exchange block vertically or horizontally according to the actual usage scenario, and then lock it with bolts, which can reduce the possibility of the heat exchange block shaking during use.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The present application provides an integrally formed heat exchange block, a first head, a second head, a first heat exchange hole, a first shell, a second shell, and a partition plate. A hot fluid is input through the transverse air inlet pipe. The hot fluid passes through the first head and enters the multiple first heat exchange holes, flows in the integrally formed heat exchange block, and is discharged from the transverse air outlet pipe. At the same time, the operator inputs a cold fluid into the input pipe. The cold fluid enters the input space, then enters the second heat exchange hole through the special-shaped hole connected to the input space, and then is discharged into the second shell from the transition hole on one side, and then enters the second heat exchange hole from the transition hole on the other side, and then is discharged into the output space through the special-shaped hole connected to the output space, and then is discharged from the output pipe, thereby achieving heat exchange. This process increases the contact area between the hot and cold fluids, thereby greatly improving the efficiency of the heat exchanger. The integrally formed heat exchange block has a high structural strength and does not require welding, thereby alleviating the problem that it is difficult for the operator to detect several welds in the heat exchanger, and a larger heat exchange area is obtained with a smaller equipment volume.

[0024] 2. The present application provides a funnel-shaped filter plate on the input pipe, thereby reducing the resistance encountered when inputting fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram in the related art.

[0026] Figure 2 It is a structural diagram of an embodiment of the present application.

[0027] Figure 3 It is a cross-sectional view of the heat exchange block, transverse air inlet pipe, and transverse air outlet pipe structure in an embodiment of the present application.

[0028] Figure 4 It is a cross-sectional view of the structure of the partition plate, input space and output space in an embodiment of the present application.

[0029] Figure 5 It is a cross-sectional view of the input pipe, output pipe, and filter hole structure in the embodiment of the present application.

[0030] Figure 6 It is a cross-sectional view of the filter plate structure in the embodiment of the present application.

[0031] Figure 7 Yes Figure 6 Enlarged view of part A.

[0032] Explanation of the accompanying symbols: 01, tube sheet; 02, deflector; 03, shell; 04, tube bundle; 05, head; 06, first connecting pipe; 07, second connecting pipe; 8, heat exchange block; 9, first head; 10, second head; 11, horizontal air inlet pipe; 12, horizontal air outlet pipe; 13, first heat exchange hole; 14, first shell; 15, second shell; 16, partition plate; 17, input space; 18, output space; 19, input hole; 20, transition hole; 21, special-shaped hole; 22, transition hole; 23, second heat exchange hole; 24, input pipe; 25, output pipe; 26, filter plate; 27, filter hole; 28, support foot; 29, mounting plate; 30, bolt hole. DETAILED DESCRIPTION

[0033] The following is combined with Figure 2-7 This application is described in further detail.

[0034] The embodiment of the present application discloses a single-side enhanced heat transfer microchannel parallel flow forged heat exchanger.

[0035] Reference Figure 2 、 Figure 3 and Figure 4 The single-sided enhanced heat transfer microchannel parallel flow forged heat exchanger includes an integrally formed heat exchange block 8. A first end cap 9 is provided at one end of the heat exchange block 8, and a second end cap 10 is provided at the other end. The first end cap 9 is connected to a transverse air inlet pipe 11, and the second end cap 10 is connected to a transverse air outlet pipe 12. A plurality of first heat exchange holes 13 are formed at the end of the heat exchange block 8. The plurality of first heat exchange holes 13 are arranged along the length of the heat exchange block 8. The first end cap 9 is connected to the second end cap 10 through the plurality of first heat exchange holes 13. One end of the first heat exchange hole 13 is connected to the transverse air inlet pipe 11, and the other end is connected to the transverse air outlet pipe 12.

[0036] Reference Figure 2 、 Figure 4 and Figure 5 One end of the heat exchange block 8 is fixedly sheathed with a first shell 14, and the other end is fixedly sheathed with a second shell 15. The first end 9 is in communication with the first shell 14, and the second end 10 is in communication with the second shell 15. A partition plate 16 is fixedly connected to one end of the heat exchange block 8. The partition plate 16 is arranged along the length of the heat exchange block 8. The end of the partition plate 16 near the first end 9 extends upward and downward and is in close contact with the inner wall of the first shell 14. The partition plate 16 divides the interior space of the first shell 14 into an input space 17 and an output space 18.

[0037] Reference Figure 2 、 Figure 4 and Figure 5One end of the heat exchange block 8 is provided with multiple input holes 19 at intervals, and the multiple input holes 19 are arranged along the width direction of the heat exchange block 8. The other end is provided with transition holes 20 corresponding to the multiple input holes 19 one by one. The partition plate 16 separates each input hole 19 into two special-shaped holes 21, one special-shaped hole 21 is connected to the input space 17, and the other special-shaped hole 21 is connected to the output space 18.

[0038] Reference Figure 2 、 Figure 4 and Figure 5 Separator plate 16 divides each transition hole 20 into two transition sub-holes 22. Both transition sub-holes 22 communicate with second shell 15. Special-shaped holes 21 are waist-shaped holes and are arranged along the length of heat exchange block 8. When the longitudinal length of heat exchange block 8 is limited, the waist-shaped holes can be expanded laterally to ensure that the fluid input and input volume meet the heat exchange requirements.

[0039] Reference Figure 2 、 Figure 4 and Figure 5 A plurality of second heat exchange holes 23 are provided on the side wall of the irregular hole 21, and the plurality of second heat exchange holes 23 are arranged at intervals. One end of the plurality of second heat exchange holes 23 away from the irregular hole 21 is connected to the transition hole 20. An input pipe 24 connected to the input space 17 is provided on one side of the first shell 14, and an output pipe 25 connected to the output space 18 is provided on the other side.

[0040] Reference Figure 2 、 Figure 6 and Figure 7 A filter plate 26 is provided on the inlet pipe 24. The filter plate 26 is funnel-shaped, with one end having a large diameter and the other end having a small diameter. The end having the large diameter is positioned toward the air inlet of the inlet pipe 24, and a plurality of filter holes 27 are provided on the filter plate 26. Two support legs 28 are connected to the side walls of the heat exchange block 8, one on each side of the heat exchange block 8. A mounting plate 29 is integrally formed on the support legs. The mounting plate 29 is arranged parallel to the heat exchange block 8, and a plurality of bolt holes 30 are provided on the mounting plate 28. The operator can install the heat exchange block 8 with bolts according to the actual installation site. The heat exchange block 8 can be installed horizontally or vertically.

[0041] The implementation principle is as follows: when in use, the operator inputs hot fluid through the horizontal air inlet pipe 11, and the hot fluid enters the multiple first heat exchange holes 13 after passing through the first head 9, flows in the integrally formed heat exchange block 8, and is discharged from the horizontal air outlet pipe 12. At the same time, the operator inputs cold fluid into the input pipe 24, and the cold fluid enters the input space 17, and then enters the second heat exchange hole 23 through the special-shaped hole 21 connected to the input space 17, and then is discharged into the second shell 15 from the transition hole 22 on one side, and then enters the second heat exchange hole 23 from the transition hole 22 on the other side, and then is discharged into the output space 18 through the special-shaped hole 21 connected to the output space 18, and then is discharged from the output pipe 25, realizing heat exchange. This process increases the contact area between the hot and cold fluids, thereby greatly improving the efficiency of the heat exchanger. The integrally formed heat exchange block 8 has high structural strength and obtains a larger heat exchange area with a smaller equipment volume.

[0042] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A single-side enhanced heat transfer microchannel parallel flow forged heat exchanger, characterized by: The invention comprises an integrally formed heat exchange block (8), wherein a first end cap (9) is provided at one end of the heat exchange block (8), and a second end cap (10) is provided at the other end, wherein the first end cap (9) is connected to a transverse air inlet pipe (11), and the second end cap (10) is connected to a transverse air outlet pipe (12), and a plurality of first heat exchange holes (13) are provided on the heat exchange block (8), wherein one end of the first heat exchange hole (13) is connected to the transverse air inlet pipe (11), and the other end is connected to the transverse air outlet pipe (12); the heat exchange block ( One end of the heat exchange block (8) is provided with a first shell (14), and the other end is provided with a second shell (15), the first head (9) is communicated with the first shell (14), and the second head (10) is communicated with the second shell (15), one end of the heat exchange block (8) is provided with a partition plate (16), and the partition plate (16) is arranged along the length direction of the heat exchange block (8), one end of the partition plate (16) extends to the upper and lower sides and is in close contact with the inner wall of the first shell (14), and the partition plate (16) separates the The internal space of the first shell (14) is divided into an input space (17) and an output space (18). An input hole (19) is provided at one end of the heat exchange block (8), and a transition hole (20) corresponding to the input hole (19) is provided at the other end. The partition plate (16) separates the input hole (19) into two special-shaped holes (21). One of the special-shaped holes (21) is connected to the input space (17), and the other special-shaped hole (21) is connected to the output space (18). The partition plate (16) 6) The transition hole (20) is divided into two transition sub-holes (22), both of which are connected to the second shell (15); a second heat exchange hole (23) is opened on the side wall of the special-shaped hole (21); one end of the second heat exchange hole (23) is connected to the transition hole (20); an input pipe (24) connected to the input space (17) is provided on the first shell (14); and an output pipe (25) connected to the output space (18) is provided on the first shell (14).

2. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 1, characterized in that: A plurality of the second heat exchange holes (23) are provided, and the plurality of the second heat exchange holes (23) are arranged at intervals, and one end of the plurality of the second heat exchange holes (23) away from the special-shaped hole (21) is connected to the corresponding transition hole (20).

3. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 1, characterized in that: A plurality of the input holes (19) are arranged at intervals, and the plurality of the input holes (19) are arranged along the width direction of the heat exchange block (8).

4. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 2, characterized in that: The special-shaped hole (21) is a waist-shaped hole, and the special-shaped hole (21) is arranged along the length direction of the heat exchange block (8).

5. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 1, characterized in that: The input pipe (24) is provided with a filter plate (26), and the filter plate (26) is provided with a plurality of filter holes (27).

6. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 5, characterized in that: The filter plate (26) is arranged in a funnel shape, with one end of the filter plate (26) having a large diameter and the other end having a small diameter, and the end with the large diameter is arranged toward the air inlet of the input pipe (24).

7. The single-side enhanced heat transfer microchannel parallel flow forged heat exchanger according to claim 1, characterized in that: A supporting foot (28) is connected to the side wall of the heat exchange block (8), a mounting plate (29) is integrally formed on the supporting foot (28), and a bolt hole (30) is provided on the mounting plate (29).

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