CN217442343U

CN217442343U - Brazing plate type heat exchanger

Info

Publication number: CN217442343U
Application number: CN202221290446.9U
Authority: CN
Inventors: 蒋博文
Original assignee: Wuxi Oyulai Heat Exchanger Manufacturing Co ltd
Current assignee: Wuxi Oyulai Heat Exchanger Manufacturing Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-16
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a brazed plate heat exchanger, its technical scheme main points are: the heat exchanger comprises a heat exchange sheet, wherein a hot cavity and a cold cavity are respectively arranged on two sides of the heat exchange sheet, a plurality of cross-shaped supporting blocks are arranged on one side of the hot cavity, and a plurality of thermal current resistance wave plates are arranged in the hot cavity; and a plurality of cold flow blocking wave plates are arranged in the cold cavity. The utility model discloses inside in hot chamber and cold chamber is equipped with a plurality of thermal resistance flow wave plates and a plurality of cold choked flow wave plates respectively, make hot-air and cold-air can slow flow in the inside in hot chamber and cold chamber, the efficiency of heat transfer is improved, increase the time of heat transfer, and then can the effectual effect that realizes the heat transfer, and be equipped with the cross supporting shoe in one side in hot chamber, can be so that form the gap between hot chamber and the cold chamber, help the air to flow, the heat dissipation efficiency is improved, reduce the heat gathering of hot intracavity portion, the efficiency of heat transfer is improved.

Description

Brazed plate heat exchanger

Technical Field

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

Background

The brazed plate heat exchanger is a new type high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes and performing brazing processing.

Referring to the existing Chinese patent with publication number CN215766635U, the brazing plate type heat exchanger is disclosed, which is provided with a heat transfer medium plate and a heat absorption medium plate, and can realize that fluid medium can exchange heat in the inner part of the heat exchanger body better; the heat transfer medium plate and the heat absorption medium plate are brazed into a whole through the sealing cover plate by brazing, so that the sealing property is enhanced; the number of the heat transfer medium tubes and the heat absorbing medium tubes is set so that the heat exchange efficiency is higher. However, the above-mentioned devices still have some disadvantages, such as: firstly, the flowing speed of cold and hot gas cannot be slowed down, the alternating time of the cold and hot gas cannot be prolonged, the heat exchange efficiency is low, and the heat exchange effect cannot be improved; secondly, can't realize carrying out the gap isolation to the hot chamber, cause hot chamber heat gathering easily, cause the bad scheduling problem of heat transfer effect.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a brazed plate heat exchanger to solve the problem mentioned in the background art.

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

a brazing plate type heat exchanger comprises a heat exchange sheet, wherein a hot cavity and a cold cavity are fixedly arranged on two sides of the heat exchange sheet respectively, a plurality of cross-shaped supporting blocks are fixedly arranged on one side of the hot cavity, hot channels are respectively arranged at the upper end and the lower end of the hot cavity, the hot channel at the upper end is connected with a hot inlet connecting pipe, the hot channel at the lower end is connected with a hot return connecting pipe, and a plurality of thermal resistance flow wave plates are arranged inside the hot cavity;

the upper end and the lower end of the cold cavity are respectively provided with a cold channel, the upper end of the cold channel is connected with a cold inlet connecting pipe, the lower end of the cold channel is connected with a cold return connecting pipe, and a plurality of cold flow choking wave plates are arranged inside the cold cavity.

Through adopting the technical scheme, the utility model discloses be equipped with a plurality of thermal resistance flow wave plates and a plurality of cold choked flow wave plate respectively in the inside in hot chamber and cold chamber, make hot-air and cold air can slow flow in the inside in hot chamber and cold chamber, improve the efficiency of heat transfer, increase the time of heat transfer, and then can effectual realization effect of heat transfer, and be equipped with the cross supporting shoe in one side in hot chamber, can make and form the gap between hot chamber and the cold chamber, help the air flow, improve the radiating efficiency, reduce the heat gathering of hot intracavity portion, improve the efficiency of heat transfer.

Preferably, the heat exchanger fin, the hot cavity and the cold cavity are provided with connecting threaded rings on the hot channel and the cold channel, and the hot inlet connecting pipe, the hot return connecting pipe, the cold inlet connecting pipe and the cold return connecting pipe are respectively in threaded connection with the connecting threaded rings.

Through adopting above-mentioned technical scheme, the settlement of connecting thread ring can make heat get into connecting pipe, hot backward flow connecting pipe, cold entering connecting pipe and cold backward flow connecting pipe connect sealing performance good, improves the leakproofness, prevents to leak.

Preferably, the heat exchange fins, the hot cavity and the cold cavity are attached, stacked, connected and assembled on one side, and two ends of the heat exchange fins are respectively attached and connected with a first clamping plate and a second clamping plate.

Through adopting above-mentioned technical scheme, through the setting of piling up of a plurality of heat exchanger fins, hot chamber and cold chamber, can effectual improvement heat exchange efficiency, improve the heat transfer effect, and the settlement of first grip block and second grip block can realize that the centre gripping installation is fixed.

Preferably, the upper end and the lower end of the heat exchange fin are both provided with a limiting groove, and two sides of the heat exchange fin, the first clamping plate and the second clamping plate are respectively provided with a plurality of connecting holes.

Through adopting above-mentioned technical scheme, the setting of spacing groove can realize carrying out indoor centre gripping installation to the heat transfer piece to stable connection is realized in the setting of connecting hole.

Preferably, the upper ends of the first clamping plate and the second clamping plate are in through connection with an upper clamping rod, the upper ends of the first clamping plate and the second clamping plate are in through connection with a lower clamping rod, and the upper clamping rod and the lower clamping rod are attached to the limiting groove.

Through adopting above-mentioned technical scheme, going up the setting of supporting rod and lower supporting rod and can realizing carrying out the centre gripping location to the heat transfer piece, keep stability.

Preferably, a plurality of connecting holes in the heat exchange plate, the first clamping plate and the second clamping plate are internally and penetratingly connected with a reinforcing rod, and two ends of the upper clamping rod, the lower clamping rod and the reinforcing rod are all in locking connection through nuts.

Through adopting above-mentioned technical scheme, the anchor strut realizes stable connection, prevents to become flexible, causes the problem of leaking.

Preferably, one side of the first clamping plate is connected with a hot inlet pipe and a hot outlet pipe respectively with the hot inlet connecting pipe and the hot reflux connecting pipe, and one side of the second clamping plate is connected with a cold inlet pipe and a cold outlet pipe respectively with the cold inlet connecting pipe and the cold reflux connecting pipe.

Through adopting above-mentioned technical scheme, hot admission pipe, hot exhaust pipe, cold admission pipe and cold exhaust pipe's settlement can realize inputing and discharging hot-air and cold air.

Preferably, the lower parts of the first clamping plate and the second clamping plate are connected with clamping frames through mounting bolts, and two support plates are fixedly mounted on the lower parts of the two clamping frames together.

Through adopting above-mentioned technical scheme, the setting of construction bolt can realize carrying out fixed mounting to the block frame to the setting of backup pad can be realized supporting equipment.

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

the utility model discloses be equipped with a plurality of thermal resistance flow wave plates and a plurality of cold choked flow wave plate respectively in the inside in hot chamber and cold chamber for hot air and cold air can slow flow in the inside in hot chamber and cold chamber, the efficiency of heat transfer is improved, increase the time of heat transfer, and then can the effectual effect that realizes the heat transfer, and be equipped with the cross supporting shoe in one side in hot chamber, can be so that form the gap between hot chamber and the cold chamber, help the air to flow, the heat dissipation efficiency is improved, reduce the heat gathering of hot intracavity portion, the efficiency of heat transfer is improved.

Drawings

Fig. 1 is a right side schematic view of the present invention;

fig. 2 is a left side schematic view of the present invention;

FIG. 3 is a right side schematic view of the heat exchanger plate of the present invention;

FIG. 4 is a schematic view of the left side of the heat exchanger plate of the present invention;

FIG. 5 is a schematic view of the right side internal structure of the heat exchanger plate of the present invention;

fig. 6 is a schematic view of the left side internal structure of the heat exchange fin of the present invention.

Reference numerals: 1. a heat exchanger fin; 2. a thermal chamber; 3. a cross support block; 4. a hot aisle; 5. heat enters the connecting pipe; 6. a hot reflux connecting tube; 7. a cold chamber; 8. a cold aisle; 9. cold entering the connecting pipe; 10. a cold reflux connecting tube; 11. connecting a threaded ring; 12. a thermal current resistance wave plate; 13. cold flow wave plates; 14. a limiting groove; 15. connecting holes; 16. a first clamping plate; 17. a second clamping plate; 18. an upper clamping rod; 19. a lower clamping rod; 20. a heat inlet pipe; 21. a heat discharge pipe; 22. a reinforcing rod; 23. a cold inlet pipe; 24. a cold discharge pipe; 25. clamping the frame; 26. installing a bolt; 27. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, a brazed plate heat exchanger includes a heat exchanger plate 1, a hot chamber 2 and a cold chamber 7 are respectively and fixedly installed on two sides of the heat exchanger plate 1, a plurality of cross support blocks 3 are fixedly installed on one side of the hot chamber 2, hot channels 4 are respectively installed on the upper and lower ends of the hot chamber 2, the hot channel 4 on the upper end is connected with a hot inlet connection pipe 5, the hot channel 4 on the lower end is connected with a hot return connection pipe 6, and a plurality of thermal resistance flow wave plates 12 are installed inside the hot chamber 2;

the upper end and the lower end of the cold cavity 7 are respectively provided with a cold channel 8, the upper end of the cold channel 8 is connected with a cold inlet connecting pipe 9, the lower end of the cold channel 8 is connected with a cold return connecting pipe 10, and a plurality of cold flow blocking wave plates 13 are arranged inside the cold cavity 7.

The utility model discloses be equipped with a plurality of hot choked flow wave plates 12 and a plurality of cold choked flow wave plates 13 respectively in the inside of hot chamber 2 and cold chamber 7, make hot-air and cold air can be slow flow in the inside of hot chamber 2 and cold chamber 7, the efficiency of heat transfer is improved, increase the time of heat transfer, and then can effectual realization effect of heat transfer, and be equipped with cross supporting shoe 3 in one side of hot chamber 2, can make and form the gap between hot chamber 2 and the cold chamber, help the air to flow, the heat dissipation efficiency is improved, reduce the heat gathering of hot chamber 2 insides, the efficiency of heat transfer is improved.

In this embodiment, preferably, the heat exchanger plate 1, the hot chamber 2, and the cold chamber 7 are provided with connecting threaded rings 11 on the hot channel 4 and the cold channel 8, and the hot inlet connecting pipe 5, the hot return connecting pipe 6, the cold inlet connecting pipe 9, and the cold return connecting pipe 10 are respectively in threaded connection with the connecting threaded rings 11. The effect is that the setting of the connecting threaded ring 11 can make the connection sealing performance of the hot inlet connecting pipe 5, the hot reflux connecting pipe 6, the cold inlet connecting pipe 9 and the cold reflux connecting pipe 10 good, improve the sealing performance and prevent leakage.

In this embodiment, preferably, the heat exchanger fins 1, the hot chamber 2 and the cold chamber 7 are attached, stacked, connected and assembled on one side, and both ends of the heat exchanger fins are respectively attached and connected with a first clamping plate 16 and a second clamping plate 17. The effect does, through the setting of piling up of a plurality of heat exchanger fins 1, hot chamber 2 and cold chamber 7, can effectual improvement heat exchange efficiency, improves the heat transfer effect, and the centre gripping installation is fixed can be realized to the settlement of first grip block 16 and second grip block 17.

In this embodiment, preferably, the upper end and the lower end of the heat exchanger plate 1 are both provided with a limiting groove 14, and two sides of the heat exchanger plate 1, the first clamping plate 16 and the second clamping plate 17 are respectively provided with a plurality of connecting holes 15. The effect is that the setting of the limit groove 14 can realize indoor clamping installation of the heat exchange sheet 1, and the setting of the connecting hole 15 realizes stable connection.

In this embodiment, preferably, the upper ends of the first clamping plate 16 and the second clamping plate 17 are connected with an upper clamping rod 18 in a penetrating manner, the upper ends of the first clamping plate 16 and the second clamping plate 17 are connected with a lower clamping rod 19 in a penetrating manner, and the upper clamping rod 18 and the lower clamping rod 19 are both attached and connected in the limiting groove 14. The effect is that the upper clamping rod 18 and the lower clamping rod 19 are set to clamp and position the heat exchange sheet 1, so as to maintain stability.

In this embodiment, preferably, reinforcing rods 22 penetrate through the connecting holes 15 of the heat exchanger plate 1, the first clamping plate 16 and the second clamping plate 17, and two ends of the upper clamping rod 18, the lower clamping rod 19 and the reinforcing rods 22 are all locked and connected by nuts. The effect is that the reinforcing rod 22 achieves a stable connection, preventing loosening and causing leakage problems.

In this embodiment, preferably, one side of the first clamping plate 16 is connected to a hot inlet pipe 20 and a hot outlet pipe 21 respectively with the hot inlet connecting pipe 5 and the hot return connecting pipe 6, and one side of the second clamping plate 17 is connected to a cold inlet pipe 23 and a cold outlet pipe 24 respectively with the cold inlet connecting pipe 9 and the cold return connecting pipe 10. The effect is that the settings of the hot inlet duct 20, the hot outlet duct 21, the cold inlet duct 23 and the cold outlet duct 24 allow the input and the discharge of hot air and cold air.

In this embodiment, preferably, the lower portions of the first clamping plate 16 and the second clamping plate 17 are connected to an engaging frame 25 through a mounting bolt 26, and two support plates 27 are fixedly mounted on the lower portions of the engaging frames 25. The effect is that the setting of the mounting bolts 26 can realize the fixed mounting of the snap frame 25 and the setting of the support plate 27 can realize the support of the equipment.

The use principle and the advantages are as follows:

in practical use, the heat exchange plates 1, the hot cavity 2 and the cold cavity 7 are clamped and installed through the first clamping plate 16 and the second clamping plate 17, the heat inlet connecting pipe 5, the hot reflux connecting pipe 6, the cold inlet connecting pipe 9 and the cold reflux connecting pipe 10 are installed and connected through the connecting threaded ring 11, the heat exchange plates 1 are clamped and fixed through the upper clamping rod 18 and the lower clamping rod 19 through the first clamping plate 16 and the second clamping plate 17, the heat inlet pipe 21, the cold inlet pipe 23 and the cold outlet pipe 24 are fixed through the reinforcing rods 22 to maintain connection tightness, the hot inlet pipe 20, the hot outlet pipe 21 and the cold inlet pipe 23 are connected to input hot air and cold air, so that the hot air and the cold air respectively flow inside the hot cavity 2 and the cold cavity 7, the flow speed is reduced through the thermal resistance wave plate 12 and the cold resistance wave plate 13, and the heat exchange effect is improved, and be equipped with cross supporting shoe 3 in one side of hot chamber 2, make through cross supporting shoe 3 and form the gap between hot chamber 2 and the cold chamber 7, be convenient for ventilate, prevent 2 heat accumulations in hot chamber, effectual improvement heat exchange efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A brazed plate heat exchanger comprising fins (1), characterized in that: a hot cavity (2) and a cold cavity (7) are respectively and fixedly arranged on two sides of the heat exchange fin (1), a plurality of cross-shaped supporting blocks (3) are fixedly arranged on one side of the hot cavity (2), hot channels (4) are respectively arranged at the upper end and the lower end of the hot cavity (2), the hot channel (4) at the upper end is connected with a hot inlet connecting pipe (5), the hot channel (4) at the lower end is connected with a hot return connecting pipe (6), and a plurality of thermal resistance flow wave plates (12) are arranged inside the hot cavity (2);

cold passageway (8) have been seted up respectively at the upper and lower both ends of cold chamber (7), and the upper end cold passageway (8) are connected with cold entering connecting pipe (9), and the lower extreme cold passageway (8) are connected with cold backward flow connecting pipe (10), the inside of cold chamber (7) is equipped with a plurality of cold choked flow wave plates (13).

2. A brazed plate heat exchanger according to claim 1, wherein: the heat exchange fin (1), hot chamber (2) and cold chamber (7) are in hot passageway (4) with all be equipped with connecting thread ring (11) on cold passageway (8), hot entering connecting pipe (5) hot backward flow connecting pipe (6) cold entering connecting pipe (9) with cold backward flow connecting pipe (10) respectively with connecting thread ring (11) threaded connection.

3. A brazed plate heat exchanger according to claim 1, wherein: a plurality of heat exchanger fins (1), hot chamber (2) and cold chamber (7) become one side laminating stack connection equipment, and both ends laminating respectively are connected with first grip block (16) and second grip block (17).

4. A brazed plate heat exchanger according to claim 3, wherein: limiting grooves (14) are formed in the upper end and the lower end of the heat exchange piece (1), and a plurality of connecting holes (15) are formed in the two sides of the heat exchange piece (1), the first clamping plate (16) and the second clamping plate (17) respectively.

5. A brazed plate heat exchanger according to claim 4, wherein: the upper end through connection of first grip block (16) with second grip block (17) has last supporting rod (18), the upper end through connection of first grip block (16) with second grip block (17) has lower supporting rod (19), go up supporting rod (18) with lower supporting rod (19) all the laminating connection be in spacing groove (14).

6. A brazed plate heat exchanger according to claim 5, wherein: the heat exchange plate (1), the first clamping plate (16) and the second clamping plate (17) are connected with a reinforcing rod (22) in the connecting hole (15) in a penetrating mode, and the two ends of the upper clamping rod (18), the lower clamping rod (19) and the reinforcing rod (22) are connected in a locking mode through nuts.

7. A brazed plate heat exchanger according to claim 4, wherein: one side of first grip block (16) respectively with hot entering connecting pipe (5) with hot backward flow connecting pipe (6) are connected with hot admission pipe (20) and hot exhaust pipe (21), one side of second grip block (17) respectively with cold entering connecting pipe (9) with cold backward flow connecting pipe (10) are connected with cold admission pipe (23) and cold exhaust pipe (24).

8. A brazed plate heat exchanger according to claim 3, wherein: the lower parts of the first clamping plate (16) and the second clamping plate (17) are connected with clamping frames (25) through mounting bolts (26), and two supporting plates (27) are fixedly mounted on the lower parts of the clamping frames (25) jointly.