Fin for plate heat exchanger and manufacturing process thereof

Abstract

The present application discloses a fin for a plate heat exchanger, which is suitable for a plate of a plate ventilator, wherein a mounting opening is provided in the middle position thereof, and the fin of the plate heat exchanger comprises a mounting ring and a plate body; the mounting ring is fixedly mounted on the inner surface of the mounting opening, and a plurality of groups of connecting seats are arranged on the upper end surface of the mounting ring; a plurality of groups of clamping seats are arranged at the outer position of the lower end surface of the plate body, and the connecting seats are clamped with the clamping seats; wherein a plurality of groups of fin strips for guiding the flow of liquid are arranged on the upper end surface of the plate body; the fin for a plate heat exchanger of the present application can make full use of the plate, and has good use effect, and can install a plate body with different fin strips according to use requirements, and is more flexible in use, has good use effect, can reduce the flow velocity of the liquid, thereby increasing the time of the liquid inside the heat exchanger, thereby increasing the heat exchange effect, and has good use prospect.

Description

Technical Field

[0001] The invention belongs to the field of plate heat exchangers, in particular to a fin used for a plate heat exchanger and a manufacturing process thereof. Background Art

[0002] Plate heat exchanger is a kind of high-efficiency heat exchanger made of a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid and liquid-steam heat exchange. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small footprint, wide application and long service life.

[0003] With the progress of society, the application of plate heat exchangers is becoming more and more common. There are many structures on the plate heat exchanger, including the plates of the plate heat exchanger.

[0004] The plate heat exchanger is composed of many structures, including the plate body, sealing ring and fin structure. With the progress of society, people's requirements for plate heat exchangers are constantly increasing, resulting in the existing plate heat exchanger fin structure can not meet people's use requirements;

[0005] After research, it was found that the existing fin structure of plate heat exchangers has certain drawbacks when used;

[0006] First, the fin structure of the existing plate heat exchanger is usually installed by welding, and the fin position of the plate heat exchanger is in contact with liquids of different temperatures for a long time, which is prone to deformation. At this time, the entire plate body needs to be replaced, and at this time the plate body is still a long way from the limit of its service life, which is a waste;

[0007] Secondly, the fin structure of the existing plate heat exchanger usually adopts a straight channel or an inclined channel to guide and slow down the flow speed of the liquid, which increases the movement path of the liquid. However, due to the limited space of the plate heat exchanger, simply extending the path has a poor slowing effect. The liquid stays in the heat exchanger for a short time, and the heat exchange effect is poor, which does not meet people's usage requirements. Summary of the invention

[0008] In order to overcome the shortcomings of the prior art, the present application embodiment provides a fin for a plate heat exchanger and a manufacturing process thereof, and the technical solution adopted to solve the technical problem is:

[0009] A fin for a plate heat exchanger, which is suitable for a plate of a plate ventilator, wherein a mounting opening is provided in the middle position thereof, and the fin of the plate heat exchanger comprises a mounting ring and a plate body;

[0010] The mounting ring is fixedly mounted on the inner surface of the mounting opening, and the upper end surface of the mounting ring is provided with a plurality of groups of connecting seats;

[0011] A plurality of groups of card-connecting seats are arranged at the outer side of the lower end surface of the plate body, and the connecting seats are card-connected with the card-connecting seats;

[0012] Wherein, the upper end surface of the plate body is provided with a plurality of groups of fin strips for guiding the flow of liquid.

[0013] The present invention records a fin for a plate heat exchanger, wherein the plate is detachably connected to a mounting ring in a mounting opening. When the fin of the plate heat exchanger is deformed, the plate body can be directly removed from the mounting opening and replaced with a new plate body, so that the plate can be fully utilized with good use effect, and a plate body with different fin strips can be installed according to use requirements, so that the use is more flexible and the use effect is good.

[0014] Preferably, the lower end surface of the plate body and the upper end surface of the mounting ring are both provided with two groups of annular mounting rings, and the annular mounting ring on the lower end surface of the plate body fits with the annular mounting ring on the upper end surface of the mounting ring.

[0015] The annular mounting rings fit together and deform when fitting together, and the sealing effect is better.

[0016] Preferably, an annular convex strip is provided on the annular mounting ring on the lower end surface of the plate body, and an annular groove is provided on the annular mounting ring on the upper end surface of the mounting ring, and the annular convex strip is engaged with the annular groove.

[0017] The annular convex strip is clamped with the annular groove, and after the clamping, the overall contact area is wider and the use effect is good.

[0018] Preferably, an annular groove is provided inside the connecting seat, and an annular protrusion is provided on the outer surface of the connecting seat, and the annular protrusion is engaged with the annular groove.

[0019] The two sets of annular mounting rings are respectively located on the inner side and the outer side of the connecting seat and the clamping seat, thus playing a protective role.

[0020] The annular clamping groove and the annular protrusion are clamped together, which can make the connection between the connecting seat and the clamping seat tighter and can effectively prevent the connecting seat and the clamping seat from loosening.

[0021] Preferably, the outer surface of the connecting seat and the outer surface of the clamping seat are both provided with a rubber sealing seat, and the rubber sealing seat on the connecting seat is in close contact with the rubber sealing seat on the clamping seat.

[0022] The provision of the rubber sealing seat can play an effect of protecting the connection between the connecting seat and the clamping seat.

[0023] Preferably, a plurality of groups of the fin strips are arranged at equal intervals, the fin strips are V-shaped, and the middle height of the fin strips is greater than the heights at both ends of the fin strips.

[0024] The middle height of the fin strip is greater than the height of the two ends of the fin strip, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid.

[0025] Preferably, a plurality of groups of guide channels are provided on the outer surface of the fin strips, and the positions of the guide channels on two adjacent groups of the fin strips are different.

[0026] The present invention records a fin for a plate heat exchanger, wherein the middle height of the fin strip is greater than the height at both ends of the fin strip, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid, and a guide channel is opened on the fin strip. The liquids flowing through the guide channel impact each other, which can reduce the flow speed of the liquid, thereby increasing the time the liquid stays in the heat exchanger, thereby increasing the heat exchange effect, and has a good use prospect.

[0027] Preferably, a manufacturing process for plate heat exchanger fins comprises the following steps:

[0028] ①. Produce fin strips, connectors and card connectors;

[0029] ② Cut the aluminum material so that the size of the aluminum material is the same as the size of the installation opening on the plate;

[0030] ③. Install the fin strips on the cut aluminum material;

[0031] ④. Install the connecting seat on the mounting ring and install the clamping seat on the aluminum material;

[0032] ⑤. Install the annular mounting ring on the mounting ring and aluminum material;

[0033] ⑥. Install the aluminum material at the installation port and clamp the connecting seat and the clamping seat.

[0034] Preferably, in step ①, after the fin strip is produced, a punching machine is used to punch out a guide channel on the fin strip, and in step ⑥, after the connecting seat and the clamping seat are clamped, the annular protrusion is clamped with the annular clamping groove.

[0035] In summary, the present invention includes at least one of the following beneficial technical effects:

[0036] First, the present invention records a fin for a plate heat exchanger, wherein the plate is detachably connected to a mounting ring in a mounting opening. When the fin of the plate heat exchanger is deformed, the plate body can be directly removed from the mounting opening and replaced with a new plate body, so that the plate can be fully utilized with good use effect, and a plate body with different fin strips can be installed according to use requirements, which is more flexible to use and has a good use effect.

[0037] Second, the present invention records a fin for a plate heat exchanger, wherein the middle height of the fin strip is greater than the height at both ends of the fin strip, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid, and a guide channel is opened on the fin strip. The liquids flowing through the guide channel impact each other, which can reduce the flow speed of the liquid, thereby increasing the time the liquid stays inside the heat exchanger, thereby increasing the heat exchange effect, and has good use prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the structure of the present invention;

[0039] Figure 2 It is a partial structural diagram of the present invention;

[0040] Figure 3 The present invention Figure 2 A magnified view of the structure at center A;

[0041] Figure 4 It is the installation structure diagram of the plate body in the present invention;

[0042] Figure 5 It is a partial structural diagram of the connecting seat in the present invention;

[0043] Figure 6 It is a partial structural diagram of the card connector in the present invention.

[0044] Figure numerals: 1, plate; 2, mounting opening; 3, mounting ring; 4, connecting seat; 5, plate body; 6, snap-in seat; 7, fin strip; 8, annular convex strip; 9, annular groove; 10, annular snap groove; 11, annular protrusion; 12, rubber sealing seat; 13, guide channel. DETAILED DESCRIPTION

[0045] The embodiment of the present application provides a fin for a plate heat exchanger and a manufacturing process thereof. The fin structure of the existing plate heat exchanger is usually installed by welding, and the fin position of the plate heat exchanger is in contact with liquids of different temperatures for a long time, and it is easy to deform. At this time, the entire plate body needs to be replaced, and at this time, the plate body is still a long time away from the limit of its service life, which is a waste of time. In this patent, the plate is detachably connected to the mounting ring in the mounting port. When the fin of the plate heat exchanger is deformed, the plate body can be directly removed from the mounting port and replaced with a new plate body. The plate can be fully used with good use effect, and the plate body with different fin strips can be installed according to the use requirements, which is more flexible to use and has a good use effect.

[0046] Embodiment 1:

[0047] like Figure 1-Figure 6As shown, a fin for a plate heat exchanger is suitable for a plate 1 of a plate ventilator, wherein a mounting opening 2 is provided in the middle position thereof, and the fin of the plate heat exchanger comprises a mounting ring 3 and a plate body 5;

[0048] The mounting ring 3 is fixedly mounted on the inner surface of the mounting opening 2, and a plurality of connecting seats 4 are arranged on the upper end surface of the mounting ring 3;

[0049] A plurality of groups of clamping seats 6 are arranged at the outer side of the lower end surface of the plate body 5, and the connecting seat 4 is clamped with the clamping seat 6;

[0050] The upper end surface of the plate body 5 is provided with a plurality of groups of fin strips 7 for guiding the flow of liquid.

[0051] The present invention records a fin for a plate heat exchanger, wherein a plate 1 is detachably connected to a mounting ring 3 in a mounting opening 2. When the fin of the plate heat exchanger is deformed, the plate body 5 can be directly removed from the mounting opening 2 and replaced with a new plate body 5. The plate 1 can be fully utilized with good use effect, and the plate body 5 with different fin strips 7 can be installed according to use requirements, which is more flexible to use and has a good use effect.

[0052] The lower end surface of the plate body 5 and the upper end surface of the mounting ring 3 are both provided with two groups of annular mounting rings, and the annular mounting rings on the lower end surface of the plate body 5 fit the annular mounting rings on the upper end surface of the mounting ring 3 .

[0053] The annular mounting rings fit together and deform when fitting together, and the sealing effect is better.

[0054] An annular convex strip 8 is provided on the annular mounting ring on the lower end surface of the plate body 5 , and an annular groove 9 is provided on the annular mounting ring on the upper end surface of the mounting ring 3 . The annular convex strip 8 is engaged with the annular groove 9 .

[0055] The annular convex strip 8 is snap-fitted with the annular groove 9. After the snap-fitting, the overall contact area is wider and the use effect is good.

[0056] An annular groove 10 is formed inside the connecting seat 4 , and an annular protrusion 11 is formed on the outer surface of the connecting seat 6 . The annular protrusion 11 is engaged with the annular groove 10 .

[0057] The two sets of annular mounting rings are respectively located on the inner side and the outer side of the connecting seat 4 and the clamping seat 6 to provide protection.

[0058] The annular groove 10 is engaged with the annular protrusion 11 , which can make the connection between the connecting seat 4 and the engaging seat 6 tighter and effectively prevent the connecting seat 4 and the engaging seat 6 from loosening.

[0059] The outer surfaces of the connecting seat 4 and the clamping seat 6 are both provided with rubber sealing seats 12 , and the rubber sealing seats 12 on the connecting seat 4 are in close contact with the rubber sealing seats 12 on the clamping seat 6 .

[0060] The provision of the rubber sealing seat 12 can play the role of protecting the connection between the connecting seat 4 and the clamping seat 6 .

[0061] Embodiment 2:

[0062] On the basis of Example 1, Figure 1-Figure 6 As shown, the structure recorded in this embodiment is the structure of the fin strip 7;

[0063] A plurality of groups of fin strips 7 are arranged at equal intervals. The fin strips 7 are in a V-shape. The height of the middle portion of the fin strips 7 is greater than the height of the two ends of the fin strips 7 .

[0064] The middle height of the fin strip 7 is greater than the heights at both ends of the fin strip 7, which can guide the liquid to move toward the two ends, thereby increasing the flow path of the liquid.

[0065] A plurality of guide channels 13 are formed on the outer surface of the fin strip 7 , and the positions of the guide channels 13 on two adjacent groups of fin strips 7 are different.

[0066] The guide channel 13 is opened at an angle, and the inclination direction of the guide channel 13 is opposite to the direction of the fin strip 7, so that the liquid flowing through the guide channel 13 and the liquid guided by the fin strip 7 move in opposite directions, impacting each other, thereby quickly reducing the flow speed of the liquid.

[0067] The present invention records a fin for a plate heat exchanger, wherein the middle height of the fin strip 7 is greater than the height at both ends of the fin strip 7, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid, and a guide channel 13 is opened on the fin strip 7. The liquids flowing through the guide channel 13 impact each other, which can reduce the flow speed of the liquid, thereby increasing the time the liquid stays in the heat exchanger, thereby increasing the heat exchange effect, and has a good use prospect.

[0068] Embodiment 3:

[0069] Based on Example 2, this example is a manufacturing process for plate heat exchanger fins, comprising the following steps:

[0070] ①, produce fin strips 7, connecting seats 4 and clamping seats 6;

[0071] After the fin strip 7 is produced, a punching machine is used to punch out the guide channel 13 on the fin strip 7;

[0072] ② Cut the aluminum material so that the size of the aluminum material is the same as the size of the mounting opening 2 on the plate 1;

[0073] ③. Install the fin strip 7 on the cut aluminum material;

[0074] ④. Install the connecting seat 4 on the mounting ring 3, and install the clamping seat 6 on the aluminum material;

[0075] ⑤. Install the annular mounting ring on the mounting ring 3 and the aluminum material;

[0076] ⑥. Install the aluminum material at the installation opening 2, and clamp the connecting seat 4 and the clamping seat 6;

[0077] After the connecting seat 4 and the clamping seat 6 are clamped, the annular protrusion 11 is clamped with the annular clamping groove 10 .

[0078] It should be noted that the fin for a plate heat exchanger of the present invention is used. When in use, the clamping seat 6 on the plate 1 is aligned with the connecting seat 4 on the mounting ring 3 and fastened. At this time, the annular convex strip 8 is buckled with the annular groove 9, the annular clamping groove 10 is clamped with the annular protrusion 11, and the rubber sealing seat 12 is tightly attached. Then, the plate 1 is installed on the limiting frame of the plate heat exchanger.

[0079] When in use, the middle height of the fin strip 7 is greater than the height at both ends of the fin strip 7, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid, and a guide channel 13 is opened on the fin strip 7. The liquids flowing through the guide channel 13 impact each other, which can reduce the flow speed of the liquid, thereby increasing the time the liquid stays inside the heat exchanger, thereby increasing the heat exchange effect, and has a good prospect of use.

[0080] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A fin for a plate heat exchanger, which is suitable for a plate (1) of a plate heat exchanger, wherein a mounting opening (2) is provided in the middle thereof, and is characterized in that: The fins of the plate heat exchanger include: A mounting ring (3) which is fixedly mounted on the inner surface of the mounting opening (2) and has a plurality of connecting seats (4) arranged on its upper end surface; The plate body (5) has a plurality of groups of clamping seats (6) disposed on the outer side of the lower end surface thereof, and the connecting seat (4) is clamped with the clamping seat (6); Wherein, the upper end surface of the plate body (5) is provided with a plurality of groups of fin strips (7) for guiding the flow of liquid; A plurality of groups of fin strips (7) are arranged at equal intervals, the shape of the fin strips (7) is V-shaped, and the height of the middle portion of the fin strips (7) is greater than the height of the two ends of the fin strips (7); The outer surface of the fin strip (7) is provided with a plurality of guide channels (13), and the positions of the guide channels (13) on two adjacent groups of the fin strip (7) are different; The middle height of the fin strip (7) is greater than the height of the two ends of the fin strip (7), so that the liquid can be guided to move toward the two ends, thereby increasing the flow path of the liquid. In addition, a guide channel (13) is provided on the fin strip (7), and the liquids flowing through the guide channel (13) impact each other. The lower end surface of the plate body (5) and the upper end surface of the mounting ring (3) are both provided with two sets of annular mounting rings, and the annular mounting rings on the lower end surface of the plate body (5) fit the annular mounting rings on the upper end surface of the mounting ring (3); An annular convex strip (8) is provided on the annular mounting ring on the lower end surface of the plate body (5), and an annular groove (9) is provided on the annular mounting ring on the upper end surface of the mounting ring (3), and the annular convex strip (8) is engaged with the annular groove (9); An annular groove (10) is provided inside the connecting seat (4), and an annular protrusion (11) is provided on the outer surface of the clamping seat (6), and the annular protrusion (11) is clamped with the annular groove (10); The outer surface of the connecting seat (4) and the outer surface of the clamping seat (6) are both provided with a rubber sealing seat (12), and the rubber sealing seat (12) on the connecting seat (4) is in close contact with the rubber sealing seat (12) on the clamping seat (6).

2. A manufacturing process for fins for plate heat exchangers according to claim 1, characterized in that: The following steps are involved: ①, producing fin strips (7), connecting seats (4) and clamping seats (6); ②, cutting the aluminum material so that the size of the aluminum material is the same as the size of the mounting opening (2) on the plate (1); ③. Install the fin strip (7) on the cut aluminum material; ④. Install the connecting seat (4) on the mounting ring (3), and install the clamping seat (6) on the aluminum material; ⑤. Install the annular mounting ring on the mounting ring (3) and the aluminum material; ⑥. Install the aluminum material at the installation opening (2), and clamp the connecting seat (4) and the clamping seat (6) together.

3. A manufacturing process for fins for a plate heat exchanger according to claim 2, characterized in that: In step ①, after the fin strip (7) is produced, a punching machine is used to punch out the guide channel (13) on the fin strip (7). In step ⑥, after the connecting seat (4) and the clamping seat (6) are clamped, the annular protrusion (11) is clamped with the annular clamping groove (10).

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