CN115507682A - Fin for plate heat exchanger and manufacturing process thereof - Google Patents

Abstract

The application discloses a fin for a plate heat exchanger, which is suitable for a plate sheet of a plate ventilator, wherein a mounting opening is formed in the middle position of the fin, 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 side position of the lower end face of the plate body, and the connecting seat is clamped with the clamping seats; the upper end surface of the plate body is provided with a plurality of groups of fin strips for guiding liquid to flow; the fin for the plate heat exchanger can be fully used, is good in using effect, can be installed with the plate bodies with different fin strips according to using requirements, is more flexible to use, is good in using effect, can reduce the flowing speed of liquid, and accordingly increases the time of the liquid in the heat exchanger, increases the heat exchange effect, and has a good using prospect.

Description

A fin used for a plate heat exchanger and its manufacturing process

technical field

The invention belongs to the field of plate heat exchangers, in particular to a fin used in a plate heat exchanger and a manufacturing process thereof.

Background technique

The plate heat exchanger is a high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat exchange is performed through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid, liquid-vapor 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.

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

Plate heat exchangers are composed of many structures, including plate bodies, sealing rings and fin structures. With the progress of society, people's requirements for plate heat exchangers continue to increase, resulting in the existing plate heat exchangers. The fin structure cannot meet people's use requirements;

After research, the fin structure of the existing plate heat exchanger has certain disadvantages in use;

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 fin needs to be replaced. The board body, and at this time the board body is still far away from the limit of its service life, which is a waste of time;

Second, 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 velocity of the liquid, which increases the moving path of the liquid, but there is no space for the plate heat exchanger. Limited, just extending the path to slow down the effect is not good, the liquid stays in the heat exchanger for a short time, its heat exchange effect is not good, and it does not meet people's use requirements.

Contents of the invention

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

A fin for a plate heat exchanger, which is suitable for the plate of the plate air exchanger, and an installation opening is opened at the middle position, and the fin of the plate heat exchanger includes an installation ring and a plate body;

The installation ring is fixedly installed on the inner surface of the installation port, and the upper end surface of the installation ring is provided with several sets of connecting seats;

There are several groups of clamping sockets arranged on the outer side of the lower end surface of the plate body, and the connecting sockets are clamped with the clamping sockets;

Wherein, the upper end surface of the plate body is provided with several sets of fin strips for guiding the flow of the liquid.

The invention describes a fin used for a plate heat exchanger, wherein the plate is detachably connected to the installation ring in the installation port, and when the fin of the plate heat exchanger is deformed, the plate body can be directly removed from the installation port It can be disassembled and replaced with a new plate body. The plate can be fully used and the use effect is good, and the plate body with different fin strips can be installed according to the use requirements, which is more flexible and effective.

Preferably, two sets of annular installation rings are provided on the lower end surface of the plate body and the upper end surface of the installation ring, and the annular installation rings on the lower end surface of the plate body are bonded to the annular installation rings on the upper end surface of the installation ring.

The annular mounting rings are attached to each other, and deformation occurs when they are attached, and the sealing effect is relatively good.

Preferably, the annular mounting ring on the lower end surface of the plate body is provided with an annular convex line, and the annular mounting ring on the upper end surface of the mounting ring is provided with an annular groove, and the annular convex line is snapped into the annular groove .

The ring-shaped protruding strip is snapped into the ring-shaped groove, and the overall contact area is wider after the snap-fit, and the use effect is good.

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

Two sets of annular mounting rings are located on the inner side and outer side of the connecting seat and the clamping seat respectively, and play a protective effect.

The clamping connection between the annular clamping groove and the circular protrusion can make the connection between the connecting seat and the clamping seat more tightly, and can effectively prevent the connecting seat and the clamping seat from loosening.

Preferably, both the outer surface of the connecting seat and the outer surface of the clamping seat are 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.

The arrangement of the rubber sealing seat can protect the connection between the connecting seat and the clamping seat.

Preferably, several groups of the fin strips are arranged at equal intervals, the shape of the fin strips is V-shaped, and the height of the middle part of the fin strips is greater than the height of both ends of the fin strips.

The height of the middle part of the fin bar is greater than the height of both ends of the fin bar, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid.

Preferably, several groups of guide channels are opened on the outer surface of the fin bars, and the positions of the guide channels on adjacent two groups of the fin bars are different.

The invention describes a fin used in a plate heat exchanger. The height of the middle part of the fin bar is greater than the height of the two ends of the fin bar, which can guide the liquid to move to both ends, thereby increasing the flow path of the liquid. Guide channels are set on the strips, and the liquid flowing through the guide channels impacts each other, which can reduce the flow velocity of the liquid, thereby increasing the time of the liquid in the heat exchanger, thereby increasing the heat exchange effect, and has a good application prospect.

Preferably, a manufacturing process for plate heat exchanger fins, comprising the following steps:

①. Production of finned strips, connecting seats and clamping seats;

②. Cut the aluminum material so that the size of the aluminum material is the same as the size of the mounting opening on the plate;

③. Install the fin strips on the cut aluminum;

④. Install the connecting seat on the mounting ring, and install the clamping seat on the aluminum material;

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

⑥. Install the aluminum material at the installation port, and fasten the connecting seat and the clamping seat.

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

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

First, the present invention describes a fin used in a plate heat exchanger, in which the plate is detachably connected to the installation ring in the installation port. When the fin of the plate heat exchanger is deformed, the plate body can be directly It can be removed from the installation port and replaced with a new board. The boards can be fully used and the use effect is good. Moreover, boards with different fin strips can be installed according to the needs of use, which is more flexible in use and good in use effect.

Second, the present invention describes a fin used in a plate heat exchanger, the height of the middle part of the fin bar is greater than the height of both ends of the fin bar, which can guide the liquid to move to both ends, thereby increasing the flow path of the liquid, Moreover, guide channels are set up on the fin strips, and the liquid flowing through the guide channels impacts each other, which can reduce the flow velocity of the liquid, thereby increasing the time of the liquid in the heat exchanger, thereby increasing the heat exchange effect, and has good application prospects. Good prospects for use.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a partial structural diagram of the present invention;

Fig. 3 is the enlarged view of structure at A place among Fig. 2 of the present invention;

Fig. 4 is the installation structure drawing of plate body among the present invention;

Fig. 5 is a partial structural diagram of the connecting seat in the present invention;

Fig. 6 is a partial structural view of the clamping seat in the present invention.

Reference signs: 1, plate; 2, installation port; 3, installation ring; 4, connection seat; 5, plate body; 6, snap-in seat; 7, fin strip; Groove; 10. Annular card slot; 11. Annular bump; 12. Rubber sealing seat; 13. Guide channel.

detailed description

The embodiment of the present application provides a fin for a plate heat exchanger and its manufacturing process. The fin structure of the existing plate heat exchanger is usually installed by welding, and the position of the fin of the plate heat exchanger is long-term In contact with liquids of different temperatures, it is prone to deformation. At this time, the entire plate body needs to be replaced. At this time, the plate body is still far away from the limit of its service life. The installation ring in the installation port is detachably connected. When the fins of the plate heat exchanger are deformed, the plate body can be directly removed from the installation port and replaced with a new plate body. The plates can be fully used and the use effect is good. Good, and it is possible to install boards with different fin strips according to the needs of use, which is more flexible and effective.

Example 1:

As shown in Figures 1-6, a fin used for a plate heat exchanger is suitable for the plate 1 of the plate air exchanger, and an installation port 2 is opened in the middle position. The fin of the plate heat exchanger Including the installation ring 3 and the board body 5;

The installation ring 3 is fixedly installed on the inner surface of the installation port 2, and the upper end surface of the installation ring 3 is provided with several groups of connecting seats 4;

There are several groups of clamping seats 6 arranged on the outer side of the lower end surface of the plate body 5, and the connecting seats 4 and the clamping seats 6 are clamped;

Wherein, the upper end surface of the plate body 5 is provided with several sets of fin strips 7 for guiding the flow of liquid.

The invention describes a fin used for a plate heat exchanger, in which the plate 1 is detachably connected to the installation ring 3 in the installation port 2, and when the fin of the plate heat exchanger is deformed, the plate can be directly The body 5 is disassembled from the installation port 2, and a new plate body 5 can be replaced. The plate 1 can be fully used, and the use effect is good, and the plate body 5 with different fin strips 7 can be installed according to the use requirements. More flexible and effective.

The lower end surface of the plate body 5 and the upper end surface of the installation ring 3 are provided with two sets of annular installation rings, and the annular installation rings on the lower end surface of the plate body 5 are fitted with the annular installation rings on the upper end surface of the installation ring 3 .

The annular mounting rings are attached to each other, and deformation occurs when they are attached, and the sealing effect is relatively good.

The annular mounting ring on the lower end surface of the plate body 5 is provided with an annular convex strip 8 , and the annular mounting ring on the upper end surface of the mounting ring 3 is provided with an annular groove 9 , and the annular convex strip 8 and the annular groove 9 are clamped.

The annular protruding strip 8 is engaged with the annular groove 9, and the overall contact area is wider after the engagement, and the use effect is good.

The inside of the connecting seat 4 is provided with an annular locking groove 10 , and the outer surface of the engaging seat 6 is provided with an annular protrusion 11 , and the annular protrusion 11 is engaged with the annular locking groove 10 .

Two sets of annular mounting rings are located on the inner side and outer side of the connecting seat 4 and the clamping seat 6 respectively, and play a protective effect.

The engagement of the annular locking groove 10 and the annular protrusion 11 can make the connection between the connecting seat 4 and the engaging seat 6 tighter, and can effectively prevent the connecting seat 4 and the engaging seat 6 from loosening.

Both the outer surface of the connecting seat 4 and the outer surface of the clamping seat 6 are 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 .

The arrangement of the rubber sealing seat 12 can protect the connection between the connecting seat 4 and the clamping seat 6 .

Example 2:

On the basis of Embodiment 1, as shown in Figures 1-6, the structure recorded in this embodiment is the structure of the fin bar 7;

Several groups of fin bars 7 are arranged at equal intervals, the shape of the fin bars 7 is V-shaped, and the height of the middle part of the fin bars 7 is greater than the height of the two ends of the fin bars 7 .

The height of the middle part of the fin bar 7 is greater than the height of both ends of the fin bar 7 , which can guide the liquid to move to both ends, thereby increasing the flow path of the liquid.

Several groups of guide channels 13 are opened on the outer surface of the fin bars 7 , and the positions of the guide channels 13 on two adjacent groups of fin bars 7 are different.

The guide channel 13 is opened obliquely, and the inclination direction of the guide channel 13 is opposite to the direction of the fin bar 7, so that the liquid flowing through the guide channel 13 and the liquid guided by the fin bar 7 move in the opposite direction and collide with each other, thereby rapidly reducing the flow of liquid speed.

The present invention describes a fin used in a plate heat exchanger. The height of the middle part of the fin strip 7 is greater than the height of both ends of the fin strip 7, which can guide the liquid to move to both ends, thereby increasing the flow path of the liquid, and Guide channels 13 are provided on the fin strips 7, and the liquid flowing through the guide channels 13 collides with each other, which can reduce the flow velocity of the liquid, thereby increasing the time of the liquid in the heat exchanger, thereby increasing the heat exchange effect, and has a good application prospect .

Example 3:

On the basis of Embodiment 2, this embodiment is a manufacturing process for plate heat exchanger fins, including the following steps:

①. Production of fin strips 7, connecting seat 4 and clamping seat 6;

After the fin bar 7 is produced, a punching machine is used to punch out the guide channel 13 on the fin bar 7;

②. Cut the aluminum material so that the size of the aluminum material is the same as the size of the installation port 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 port 2, and fasten the connecting seat 4 and the clamping seat 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 .

It should be noted that, for a fin used in a plate heat exchanger according to the present invention, when in use, align the clamping seat 6 on the plate 1 with the connecting seat 4 on the mounting ring 3, and fasten it. The protruding strip 8 is engaged with the annular groove 9, the annular clamping groove 10 is engaged with the annular protrusion 11, the rubber sealing seat 12 is tightly attached, and then the plate 1 is installed on the limit frame of the plate heat exchanger;

When in use, the height of the middle part of the fin bar 7 is greater than the height of the two ends of the fin bar 7, which can guide the liquid to move to the two ends, thereby increasing the flow path of the liquid. The liquids in the channel 13 collide with each other, which can reduce the flow velocity of the liquid, thereby increasing the time of the liquid in the heat exchanger, thereby increasing the heat exchange effect, and has a good application prospect.

Finally, it should be noted that obviously, the above-mentioned embodiments are only examples for clearly illustrating the present invention, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or variations derived therefrom are still within the protection scope of the present invention.

Claims (9)

1. The utility model provides a fin for plate heat exchanger, its slab (1) that is applicable to plate ventilator, installing port (2) have been seted up to its intermediate position, its characterized in that, this plate heat exchanger's fin includes:

the mounting ring (3) is fixedly mounted on the inner surface of the mounting opening (2), and the upper end surface of the mounting ring is provided with a plurality of groups of connecting seats (4);

the outer side of the lower end face of the plate body (5) is provided with a plurality of groups of clamping seats (6), and the connecting seat (4) is clamped with the clamping seats (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 liquid to flow.

2. A fin for a plate heat exchanger according to claim 1, wherein: the lower end face of plate body (5) and the up end of installing ring (3) all are provided with two sets of annular installing rings, the annular installing ring of plate body (5) lower end face is laminated with the annular installing ring of installing ring (3) up end.

3. A fin for a plate heat exchanger according to claim 2, wherein: annular sand grip (8) are arranged on the annular mounting ring on the lower end face of the plate body (5), an annular groove (9) is arranged on the annular mounting ring on the upper end face of the mounting ring (3), and the annular sand grip (8) is connected with the annular groove (9) in a clamping mode.

4. A fin for a plate heat exchanger according to claim 3, wherein: annular clamping groove (10) have been seted up to the inside of connecting seat (4), the surface of joint seat (6) is provided with annular lug (11), annular lug (11) and annular clamping groove (10) joint.

5. A fin for a plate heat exchanger according to claim 4, wherein: the outer surface of connecting seat (4) and the surface of joint seat (6) all are provided with rubber seal seat (12), rubber seal seat (12) on connecting seat (4) and rubber seal seat (12) on joint seat (6) are hugged closely.

6. A fin for a plate heat exchanger according to claim 5, wherein: the fin strips (7) are arranged at equal intervals, the fin strips (7) are V-shaped, and the height of the middle of each fin strip (7) is greater than the height of the two ends of each fin strip (7).

7. A fin for a plate heat exchanger according to claim 6, wherein: the outer surface of each fin strip (7) is provided with a plurality of groups of guide channels (13), and the positions of the guide channels (13) on two adjacent groups of fin strips (7) are different.

8. A manufacturing process of a fin for a plate heat exchanger according to claim 7, characterized by the steps of:

(1) the production fin strip (7), the connecting seat (4) and the clamping seat (6);

(2) cutting the aluminum material to enable the size of the aluminum material to be the same as that of the mounting opening (2) on the plate sheet (1);

(3) mounting the fin strip (7) on the cut aluminum material;

(4) the connecting seat (4) is arranged on the mounting ring (3), and the clamping seat (6) is arranged on the aluminum material;

(5) the annular mounting ring is mounted on the mounting ring (3) and the aluminum material;

(6) the aluminum material is arranged at the mounting opening (2), and the connecting seat (4) and the clamping seat (6) are clamped tightly.

9. A manufacturing process of a fin for a plate heat exchanger according to claim 8, wherein: and (2) punching a guide channel (13) on the fin strip (7) by using a punching machine after the fin strip (7) is produced in the step (1), and clamping the connecting seat (4) and the clamping seat (6) in the step (6) to clamp the annular convex block (11) and the annular clamping groove (10).

Images