CN210268317U - Plate type heat exchanger - Google Patents

Abstract

The utility model discloses a plate heat exchanger belongs to the heat exchanger field, aims at providing a plate heat exchanger of heat transfer board stable in structure, and its technical scheme main points are including the casing, wear to establish the feed liquor pipe at casing one side top, set up the coolant liquid exit tube in inlet one side, wear to establish the drain pipe of casing one side bottom, set up the coolant liquid in drain pipe one side and advance the pipe, the casing internal fixation is equipped with a plurality of heat transfer boards, heat transfer board one side is equipped with the boss, set up the drill way that supplies the pipeline to wear to establish on the boss, drill way one side is equipped with a plurality of lugs, and is a plurality of along drill way circumferencial direction the lug uses the drill way inner wall to extend to heat transfer board direction as the basic point, the utility model has the advantage of the drill way department stable in.

Description

Plate type heat exchanger

Technical Field

The utility model relates to a heat exchanger field, in particular to plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for heat exchange of liquid-liquid and liquid-vapor. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of the tubular heat exchanger, the occupied area of the heat exchanger is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent.

Plate heat exchanger is constituteed with a plurality of buckled plates, and a plurality of buckled plate shapes are similar, but two adjacent buckled plate opening positions are relative setting when the installation, and for the convenience coolant liquid with treat that the coolant liquid flows from the different positions of buckled plate, nevertheless when the coolant liquid flows in from the buckled plate, the structure unstability appears easily in the drill way on the buckled plate to lead to the problem of drill way damage.

Chinese patent No. CN103090707B discloses a plate heat exchanger, which includes stacked plates, inter-plate flow channels formed between the plates, and a fluid distributor communicated with the inter-plate flow channels, wherein the fluid distributor has at least two parallel pipes, and each inter-plate flow channel is communicated with a separate pipe; and the adjacent interplate flow channels are respectively communicated with different pipelines of the fluid distributor. The plate heat exchanger has the advantages that the fluid distributor is provided with at least two pipelines, the number of single-flow through holes in the plates can be reduced, the heat exchange efficiency of the fluid and the utilization rate of the plates are further improved, the flowing area of the fluid is enlarged, and the distribution of the fluid among the plates is more uniform.

In the above prior art scheme, the fluid distributor distributes the cooling fluid and the fluid to be cooled respectively, so that the cooling fluid and the fluid to be cooled enter the cavity formed by the plates in a staggered manner, the fluid to be cooled is cooled, but the fluid distributor is erected on the plates in the actual use process, and meanwhile, the fluid flows in the fluid distribution pipeline, so that certain weight is generated, greater friction and contact are generated with the orifice of the plates, the orifice can bear great weight, the orifice can be damaged along with the lapse of time, and the damaged orifice can generate liquid mixing flow to influence the use of the heat exchanger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plate heat exchanger has the advantage of strengthening the heat transfer board bearing capacity.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a plate heat exchanger, includes the casing, wears to establish the feed liquor pipe at casing one side top, sets up and advances the pipe at the coolant liquid of inlet one side, wears to establish drain pipe, the coolant liquid exit tube of setting in drain pipe one side of casing one side bottom, the internal fixation is equipped with a plurality of heat transfer boards in the casing, heat transfer board one side is equipped with the boss, set up the drill way that supplies the pipeline to wear to establish on the boss, drill way one side is equipped with a plurality of lugs, and is a plurality of along drill way circumferencial direction the lug uses the drill way inner wall to extend to heat transfer board direction as the basic.

Through adopting above-mentioned technical scheme, set up on the heat transfer plate and supply feed liquor pipe, coolant liquid to advance pipe, drain pipe and coolant liquid export and wear to establish the drill way, drill way one side is equipped with a plurality of bosss, and the boss sets up to keeping away from drill way centre of a circle one side, and the boss is close to drill way centre of a circle one side width and is greater than and keeps away from drill way centre of a circle one side, plays the effect of strengthening the support to the drill way.

Furthermore, a groove is formed in one side, close to the inner wall of the orifice, of the convex block, and a supporting block is arranged in the groove.

Through adopting above-mentioned technical scheme, the lug is close to the recess of drill way centre of a circle one side and can reduces the area of contact between lug and the pipeline, prevents that the friction is too big, and the supporting shoe in the recess is contradicted on the pipeline lateral wall, plays the effect of further support to lug and drill way.

Furthermore, a sealing cushion block is arranged on the inner side wall of the supporting block and abuts against the outer side wall of the pipeline.

Through adopting above-mentioned technical scheme, be equipped with the seal cushion between supporting shoe and the pipeline lateral wall, the seal cushion plays sealed effect to between two adjacent cavities, prevents the coolant liquid and treats the mutual mixed flow of coolant liquid, and the seal cushion has certain elasticity simultaneously, can play certain guard action to the pipeline.

Furthermore, a flange is arranged on the outer side wall of one side of the orifice and is coated on the outer side of the bump.

Through adopting above-mentioned technical scheme, the flange cladding plays the guard action in the lug outside, strengthens the supporting role of lug simultaneously, plays the effect that supports the enhancement simultaneously to the orifice.

Furthermore, a reinforcing rib is arranged on the outer side wall of one side, far away from the orifice, of the flange, and one side, far away from the flange, of the reinforcing rib is fixedly connected to the boss.

Through adopting above-mentioned technical scheme, the stiffening rib plays the supporting role to the flange, makes the flange structure more stable, strengthens the structure in drill way, also plays the supporting role to the lug simultaneously, prevents that the supporting shoe in the lug from supporting the effect and weakening.

Furthermore, a frustum is welded on the side wall of the hole far away from one side of the flange.

Through adopting above-mentioned technical scheme, the frustum setting is kept away from one side of flange in the drill way, and when wearing to establish the pipeline in the drill way, the frustum can disperse the power of drill way department, plays the effect of further support to drill way department.

Further, the inner side wall of the hole is coated with a wear-resistant layer.

Through adopting above-mentioned technical scheme, the wearing layer sets up the position of contradicting with the pipeline lateral wall on the drill way is inside, prevents that pipeline and drill way inner wall friction are great, damages the structure of drill way inner wall, causes drill way structure unstability.

Furthermore, a plurality of corrugated bulges are arranged on the heat exchange plate.

Through adopting above-mentioned technical scheme, ripple arch on the heat transfer board can make the heat transfer board structure more stable, also can make the coolant liquid of heat transfer board one side and the opposite side treat that cooling liquid area of contact is bigger simultaneously to it is better to make heat exchange efficiency, and the cooling effect is better.

To sum up, the utility model discloses following beneficial effect has:

1. the boss is arranged, so that the effect of supporting the hole opening can be achieved;

2. the reinforcing ribs on the outer side of the flange can support the flange, so that the effect of the orifice structure is enhanced;

3. through the setting of frustum, can play and play the effect of supporting the effect to the drill way with the flange cooperation in drill way both sides.

Drawings

FIG. 1 is a schematic overall view of a plate heat exchanger according to an embodiment;

FIG. 2 is a schematic sectional view of the embodiment for embodying the plate heat exchanger at the coolant inlet;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic diagram illustrating a side of the aperture near the frustum in an embodiment;

fig. 5 is a schematic diagram of an embodiment embodying the side of the orifice adjacent to the flange.

In the figure, 1, a housing; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 13. a cooling liquid inlet pipe; 14. a coolant outlet pipe; 2. a heat exchange plate; 21. an orifice; 22. a boss; 221. a groove; 222. a support block; 223. sealing the cushion block; 23. a flange; 24. reinforcing ribs; 25. a frustum; 26. a wear layer; 3. the corrugation is convex.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a plate heat exchanger, as shown in fig. 1 and 2, includes casing 1, wears to establish the feed liquor pipe 11 at casing 1 one side top, sets up the coolant liquid exit tube 14 in feed liquor one side, wears to establish drain pipe 12, the coolant liquid that sets up in drain pipe 12 one side of casing 1 one side bottom and advances pipe 13, and casing 1 internal fixation is equipped with a plurality of heat transfer boards 2, forms a plurality of alternative coolant liquid chambeies and treats the cooling liquid chamber between a plurality of heat transfer boards 2.

As shown in fig. 1 and 2, the coolant enters the coolant liquid cavity between two heat exchange plates 2 from coolant liquid inlet pipe 13, and the coolant liquid enters the coolant liquid cavity to be cooled adjacent to the coolant liquid cavity from liquid inlet pipe 11, and a plurality of corrugated protrusions 3 are arranged on heat exchange plates 2, and the plurality of corrugated protrusions 3 can increase the contact area between the coolant liquid cavity and the coolant liquid cavity, so that the cooling efficiency of the coolant liquid is faster, and the cooling effect is better.

As shown in fig. 2 and 3, a plurality of bosses 22 are provided on the heat exchange plate 2, one boss 22 is provided at each of four corners of the heat exchange plate 2, the boss 22 is provided with an orifice 21 for the pipe to penetrate through, and the orifices 21 located at the same position on the plurality of heat exchange plates 2 are on the same straight line.

As shown in fig. 3 and 5, the inner side wall of the orifice 21 is coated with a wear-resistant layer 26, the wear-resistant layer 26 is directly contacted with the outer side wall of the pipeline, friction between the pipeline and the orifice 21 is reduced, one side of the orifice 21 is provided with a frustum 25, and the frustum 25 plays a supporting and reinforcing role in the orifice 21.

As shown in fig. 3 and 4, a convex block is arranged on one side of the orifice 21 away from the frustum 25, a flange 23 is wrapped on the outer side of the convex block, the flange 23 is arranged on one side of the orifice 21 and supports the orifice 21, a groove 221 is formed in the convex block, a supporting block 222 is arranged in the groove 221, and a sealing cushion block 223 is arranged on one side of the supporting block 222 close to the circle center of the orifice 21.

As shown in fig. 3 and 4, when a pipe is inserted into the hole 21, the groove 221 may reduce the contact area between the outer side wall of the pipe and the protrusion, reduce friction, and the sealing pad 223 may abut against the outer side wall of the pipe, thereby sealing the cavities on both sides of the heat exchanging plate 2.

As shown in fig. 3 and 4, the outer side wall of the flange 23 away from the orifice 21 is provided with a reinforcing rib 24, the side of the reinforcing rib 24 away from the flange 23 is fixedly connected to the boss 22, and the reinforcing rib 24 supports the flange 23 and further supports the boss.

The specific implementation process comprises the following steps: a cooling liquid cavity and a liquid cavity to be cooled are alternately formed among the heat exchange plates 2, orifices 21 are arranged on the heat exchange plates 2, liquid inlet pipes 11, cooling liquid inlet pipes 13, liquid outlet pipes 12 and cooling liquid outlet pipes 14 penetrate through the orifices 21, the liquid inlet pipes 11 and the liquid outlet pipes 12 are communicated with the liquid cavity to be cooled, the cooling liquid inlet pipes 13 and the cooling liquid outlet pipes 14 are communicated with the cooling liquid cavity, a convex block is arranged on one side of each orifice 21, a groove 221 is formed in each convex block, a sealing cushion block 223 is connected to the lower portion of a supporting block 222 in each groove 221 and abuts against the outer side wall of the pipeline, flanges 23 are arranged on the outer sides of the convex blocks, the flanges 23 are wrapped on the convex blocks, reinforcing ribs 24, far away from one side of the orifices 21, of the flanges 23 play a role in reinforcing and supporting the flanges 23, frustum 25 is further arranged on one side, far away from the convex blocks, the frustum.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a plate heat exchanger, includes casing (1), wears to establish feed liquor pipe (11), the coolant liquid exit tube (14) of setting in feed liquor one side at casing (1) one side top, wears to establish drain pipe (12), the coolant liquid that sets up in drain pipe (12) one side of casing (1) one side bottom advances pipe (13), its characterized in that: the heat exchanger is characterized in that a plurality of heat exchange plates (2) are fixedly arranged in the shell (1), a boss (22) is arranged on one side of each heat exchange plate (2), an orifice (21) for a pipeline to penetrate is formed in the boss (22), a plurality of convex blocks are arranged on one side of the orifice (21) along the circumferential direction of the orifice (21), and the convex blocks extend towards the direction of the heat exchange plates (2) by taking the inner wall of the orifice (21) as a base point.

2. A plate heat exchanger according to claim 1, characterized in that: a groove (221) is formed in one side, close to the inner wall of the hole (21), of the protruding block, and a supporting block (222) is arranged in the groove (221).

3. A plate heat exchanger according to claim 2, characterized in that: and a sealing cushion block (223) is arranged on the inner side wall of the supporting block (222), and the sealing cushion block (223) abuts against the outer side wall of the pipeline.

4. A plate heat exchanger according to claim 1, characterized in that: and a flange (23) is arranged on the outer side wall of one side of the orifice (21), and the flange (23) is coated on the outer side of the bump.

5. A plate heat exchanger according to claim 4, characterized in that: and a reinforcing rib (24) is arranged on the outer side wall of one side, far away from the orifice (21), of the flange (23), and one side, far away from the flange (23), of the reinforcing rib (24) is fixedly connected to the boss (22).

6. A plate heat exchanger according to claim 5, characterized in that: and a frustum (25) is welded on the side wall of the orifice (21) far away from one side of the flange (23).

7. A plate heat exchanger according to claim 1, characterized in that: and a wear-resistant layer (26) is coated on the inner side wall of the orifice (21).

8. A plate heat exchanger according to claim 1, characterized in that: the heat exchange plate (2) is provided with a plurality of corrugated bulges (3).

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