CN211575953U

CN211575953U - Compact plate heat exchanger

Info

Publication number: CN211575953U
Application number: CN201921172042.8U
Authority: CN
Inventors: 金春花
Original assignee: Wuxi Jialong Heat Exchanger Stock Co ltd
Current assignee: Wuxi Jialong Heat Exchanger Stock Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-09-25
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a compact plate heat exchanger, including heat transfer portion and a plurality of gas flow room of setting in heat transfer portion top and bottom, heat transfer portion is including the first heat transfer room, gas-liquid separation room and the second heat transfer room of arranging in proper order, and wherein a plurality of flow rooms at top will first heat transfer room respectively with the second heat transfer room and gas-liquid separation room intercommunication, a plurality of flow rooms of bottom intercommunication the second heat transfer room with the gas-liquid separation room. The utility model discloses simple structure through with the gas flow room setting both sides about heat transfer portion, has practiced thrift the space cost, has guaranteed the whole compactedness of structure. In addition, the separation wire mesh has the advantages that the phenomenon that liquid condensate water separated from gas is repeatedly involved by upward airflow after gravity settling and flowing down is avoided, and the heat exchange effect of the heat exchanger is improved.

Description

Compact plate heat exchanger

Technical Field

The utility model relates to a heat exchanger field, concretely relates to compact plate heat exchanger.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the energy utilization rate. The plate heat exchanger occupies a dominant position in all heat exchangers, but the traditional plate heat exchanger not only has large floor area, complex and bulky structure and high maintenance cost, but also has the phenomenon that liquid condensate water separated from gas is frequently blown down by gravity and then repeatedly involved by upward airflow in the gas-liquid separation process, and the working efficiency of the heat exchanger is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compact plate heat exchanger to solve the problem that current equipment area is big, the structure is bloated complicated.

The utility model provides a compact plate heat exchanger, including heat transfer portion and a plurality of gas flow room of setting in heat transfer portion top and bottom, heat transfer portion is including the first heat transfer room, gas-liquid separation room and the second heat transfer room of arranging in proper order, and wherein a plurality of flow rooms at top will first heat transfer room respectively with the second heat transfer room and gas-liquid separation room intercommunication, a plurality of flow rooms of bottom intercommunication the second heat transfer room with the gas-liquid separation room.

Preferably, the air inlet and the air outlet of the heat exchanger are both arranged at the bottom and are communicated with the first heat exchange chamber through different flow chambers.

Preferably, the first heat exchange chamber comprises a plurality of stacked plates, fins are arranged between any two plates to form fluid channels, any two adjacent groups of fins are perpendicular to each other, the flow channels are divided into hot air flow channels and cold air flow channels according to the arrangement direction of the fins, the hot air flow channels are connected with the inlets and communicated with the second heat exchange chamber through the flow chamber, and the cold air flow channels are communicated with the outlets and the gas-liquid separation chamber.

Preferably, the gas-liquid separation chamber is further provided with a separation wire mesh, and the separation wire mesh divides the gas-liquid separation chamber into an upper space and a lower space.

Preferably, the bottom flow chamber communicated with the gas-liquid separation chamber is further provided with a water outlet.

Preferably, the second heat exchange chamber refrigerant is freon.

Preferably, the plate heat exchanger is of aluminium.

The utility model has the advantages that: the utility model discloses simple structure through with the gas flow room setting both sides about heat transfer portion, has practiced thrift the space cost, has guaranteed the whole compactedness of structure. In addition, the separation wire mesh has the advantages that the phenomenon that liquid condensate water separated from gas is repeatedly involved by upward airflow after gravity settling and flowing down is avoided, and the heat exchange effect of the heat exchanger is improved.

Drawings

Fig. 1 is a front view of a compact plate heat exchanger provided by the present invention.

Fig. 2 is a right side view of the compact plate heat exchanger provided by the present invention.

Fig. 3 is a rear view of the compact plate heat exchanger provided by the present invention.

Fig. 4 is a top view of a compact plate heat exchanger provided by the present invention.

Fig. 5 is a bottom view of the compact plate heat exchanger provided by the present invention.

Fig. 6 is a schematic gas flow diagram of the first heat exchange chamber of the compact plate heat exchanger provided by the present invention.

Fig. 7 is a schematic view of the flow of freon in the second heat exchange chamber of the compact plate heat exchanger provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to specific embodiments.

Examples

The utility model provides a compact plate heat exchanger, including heat transfer portion and a plurality of gas flow room of setting in heat transfer portion top and bottom, heat transfer portion is including the first heat transfer chamber 3, gas-liquid separation room 10 and the second heat transfer chamber 6 of arranging in proper order, and wherein a plurality of flow rooms at top communicate first heat transfer chamber 3 with second heat transfer chamber 6 and gas-liquid separation room 10 respectively, a plurality of flow rooms of bottom intercommunication second heat transfer chamber 6 and gas-liquid separation room 10.

The air inlet 1 and the air outlet 17 of the heat exchanger are both arranged at the bottom and are communicated with the first heat exchange chamber through different flow chambers. The first heat exchange chamber 3 comprises a plurality of stacked plates, fins are arranged between any two plates to form fluid channels, any two adjacent groups of fins are vertical, the flow channels are divided into a hot air flow channel 31 and a cold air flow channel 32 according to the arrangement direction of the fins, the hot air flow channel is connected with the inlet 1 and is communicated with the second heat exchange chamber 3 through the flow chamber, and the cold air flow channel 32 is communicated with the outlet 17 and the gas-liquid separation chamber 10. The gas-liquid separation chamber 10 is further provided with a separation wire mesh 11, and the gas-liquid separation chamber is divided into an upper space and a lower space by the separation wire mesh 11. The bottom flow chamber communicated with the gas-liquid separation chamber is also provided with a water outlet 9.

The specific working principle is as follows: compressed air enters from an inlet 1 of the heat exchanger, enters the hot air flow channel 31 through the flow chamber 2, exchanges heat with the compressed air flowing through an outlet of the cold air flow channel 32 and is cooled; compressed air flows out of the hot air flow channel 31 and then enters the flow chamber 4, the flow chamber 4 is communicated with the flow chamber 5, and enters the second heat exchange chamber 6 through the flow chamber 5 to exchange heat with refrigerant Freon; the compressed air in the second heat exchange chamber 6 is cooled, liquid condensate is separated out, the compressed air with the liquid condensate flows out of the second heat exchange chamber 6 and then enters the flow chamber 7, and part of the liquid condensate is gravitationally settled and discharged through a water discharge port 8; the water flows through the flow chamber 7 and then enters the gas-liquid separation chamber 10, the residual liquid water in the compressed air is separated from the gas through a separation wire mesh 11 arranged in the gas-liquid separation chamber, and the water is discharged through a water discharge port 8 after being settled by gravity; the compressed air after gas-liquid separation enters the flow chamber 12, and the compressed air flows out of the flow chamber 12 and enters the cold air flow channel 32 to exchange heat with the inlet compressed air flowing through the hot air flow channel 31 and raise the temperature. The compressed air flows out of the cold air flow channel 32 into the inlet chamber 13 and out through the heat exchanger outlet 14.

The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The compact plate type heat exchanger is characterized by comprising a heat exchange part and a plurality of gas flow chambers arranged at the top and the bottom of the heat exchange part, wherein the heat exchange part comprises a first heat exchange chamber, a gas-liquid separation chamber and a second heat exchange chamber which are sequentially arranged, the first heat exchange chamber is communicated with the second heat exchange chamber and the gas-liquid separation chamber through a plurality of flow chambers at the top, and the second heat exchange chamber is communicated with the gas-liquid separation chamber through a plurality of flow chambers at the bottom.

2. The compact plate heat exchanger of claim 1 wherein the air inlet and outlet of the heat exchanger are both located at the bottom, communicating with the first heat exchange chamber through different flow chambers.

3. The compact plate heat exchanger of claim 2, wherein the first heat exchange chamber comprises a plurality of stacked plates, any two plates having fins disposed therebetween and forming fluid passages, and any two adjacent sets of fins being perpendicular, the fluid passages being divided into a hot air flow passage and a cold air flow passage in the fin arrangement direction, the hot air flow passage connecting the inlet and communicating with the second heat exchange chamber through a flow chamber, the cold air flow passage communicating with the outlet and the gas-liquid separation chamber.

4. The compact plate heat exchanger of claim 1 wherein the gas-liquid separation chamber is further provided with a separation wire mesh dividing the gas-liquid separation chamber into upper and lower spaces.

5. A compact plate heat exchanger as claimed in claim 4, wherein the bottom flow chamber communicating with the gas-liquid separation chamber is further provided with a drain opening.

6. The compact plate heat exchanger of claim 1 wherein the second heat exchange chamber refrigerant is freon.

7. The compact plate heat exchanger of claim 1 wherein the plate heat exchanger is aluminum.