Efficient gas-liquid heat exchanger equipment for interstage heat recovery system of centrifugal air compressor

Abstract

The utility model discloses efficient gas-liquid heat exchanger equipment for an interstage heat recovery system of a centrifugal air compressor, which comprises a heat exchange shell, a liquid inlet is arranged in the middle of the top end of the heat exchange shell, a liquid outlet is arranged at the bottom end of the heat exchange shell, and an air inlet and an air outlet are respectively arranged on two sides of the heat exchange shell. The efficient gas-liquid heat exchanger equipment comprises a heat exchange shell, a liquid inlet and a liquid outlet are formed in the top end of the heat exchange shell, fixing plates are fixedly arranged in the liquid inlet and the liquid outlet, a plurality of evenly-distributed heat exchange pipes are fixedly communicated between the two fixing plates, and fixing bases are fixedly arranged on the two sides of the top end of the heat exchange shell. The two motors drive the two lead screws to rotate synchronously, then the two sleeves are driven to move up and down synchronously, the mounting plate and the multiple cleaning rings are driven to move up and down synchronously, the surfaces of the multiple heat exchange pipes are cleaned through the multiple cleaning rings, and the situation that dust or foreign matter is attached to the surfaces of the heat exchange pipes, and consequently the heat exchange efficiency is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the field of gas-liquid heat exchangers, in particular to high-efficiency gas-liquid heat exchanger equipment for an inter-stage heat recovery system of a centrifugal air compressor. Background Art

[0002] In the interstage heat recovery system of the centrifugal air compressor, a gas-liquid heat exchanger is usually required to recover the waste heat of the gas. The existing gas-liquid heat exchanger usually exchanges heat between the high-temperature gas and the cold water in a plurality of heat exchange tubes. However, it is not convenient to clean the surface of the heat exchange tubes during the heat exchange process, resulting in dust or foreign matter adhering to the surface of the heat exchange tubes, thereby affecting the heat exchange efficiency.

[0003] In order to solve the above problems, a high-efficiency gas-liquid heat exchanger device for an interstage heat recovery system of a centrifugal air compressor is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency gas-liquid heat exchanger device for an inter-stage heat recovery system of a centrifugal air compressor, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency gas-liquid heat exchanger device for a centrifugal air compressor interstage heat recovery system, comprising a heat exchange shell, a liquid inlet is provided in the middle of the top end of the heat exchange shell, a liquid discharge port is provided at the bottom end of the heat exchange shell, an air inlet and an air discharge port are respectively provided on both sides of the heat exchange shell, a fixing plate is fixedly provided inside the liquid inlet and the liquid discharge port, a plurality of evenly distributed heat exchange tubes are fixedly connected between the two fixing plates, a fixing seat is fixedly provided on both sides of the top end of the heat exchange shell, a motor is fixedly installed inside the two fixing seats, the output ends of the two motors extend to the inside of the heat exchange shell and are fixedly connected with screw rods, sleeves are threaded on the surfaces of the two screw rods, a mounting plate is fixedly provided between the two sleeves, and a plurality of cleaning rings are fixedly provided in the middle of the mounting plate.

[0006] By introducing cold water into the liquid inlet and then diverting it to several heat exchange tubes, and by introducing high-temperature gas into the heat exchange shell through the air inlet, the high-temperature gas and the cold water in the several heat exchange tubes are heat exchanged, and then the water is heated, thereby realizing the waste heat recovery of the high-temperature gas. The two motors drive the two screws to rotate synchronously, thereby driving the two sleeves to move up and down synchronously, thereby driving the mounting plate and several cleaning rings to move up and down synchronously. The provision of several cleaning rings facilitates the cleaning of the surfaces of several heat exchange tubes to prevent dust or foreign matter from adhering to the surfaces of the heat exchange tubes and affecting the heat exchange efficiency.

[0007] Preferably, one end of the liquid inlet away from the heat exchange shell, one end of the liquid discharge port away from the heat exchange shell, one end of the air inlet away from the heat exchange shell, and one end of the air outlet away from the heat exchange shell are all provided with tapered joints, and one end of the four tapered joints away from the heat exchange shell are fixedly provided with a first connecting flange, and a plurality of connecting holes are opened on the surfaces of the four first connecting flanges. The arrangement of the four first connecting flanges and the plurality of connecting holes facilitates the four tapered joints to be connected to the corresponding four connecting pipes.

[0008] Preferably, sealing gaskets are fixedly provided at the connection places between the four conical joints and the liquid inlet, the liquid discharge port, the air inlet and the air exhaust port, respectively, and the sealing performance can be improved by the provision of the sealing gaskets.

[0009] Preferably, the surfaces of the liquid inlet, the liquid discharge port, the air inlet and the exhaust port are all fixedly provided with a second connecting flange, the surfaces of the four conical joints are all fixedly provided with a third connecting flange, and a plurality of fixing bolts are threadedly provided between the four second connecting flanges and the four third connecting flanges respectively. Through the coordinated arrangement of the plurality of fixing bolts, the four second connecting flanges and the four third connecting flanges, it is convenient to connect the four conical joints with the liquid inlet, the liquid discharge port, the air inlet and the exhaust port respectively.

[0010] Preferably, sealing rings are fixedly provided at the connection points between the two fixing plates and the heat exchange tubes, and the provision of the sealing rings can improve the overall sealing performance.

[0011] Preferably, a plurality of heat exchange fins are fixedly disposed on the surfaces of the plurality of heat exchange tubes, and the arrangement of the plurality of heat exchange fins can improve the heat exchange performance of the plurality of heat exchange tubes.

[0012] Preferably, a plurality of the cleaning rings are respectively sleeved on the surfaces of a plurality of heat exchange tubes, and the provision of a plurality of cleaning rings facilitates cleaning of the surfaces of the plurality of heat exchange tubes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By introducing cold water into the liquid inlet and then diverting it to several heat exchange tubes, and by introducing high-temperature gas into the heat exchange shell through the air inlet, the high-temperature gas and the cold water in the several heat exchange tubes are heat exchanged, and then the water is heated, thereby realizing the waste heat recovery of the high-temperature gas. The two motors drive the two screws to rotate synchronously, thereby driving the two sleeves to move up and down synchronously, thereby driving the mounting plate and several cleaning rings to move up and down synchronously. The provision of several cleaning rings facilitates the cleaning of the surfaces of several heat exchange tubes to prevent dust or foreign matter from adhering to the surfaces of the heat exchange tubes and affecting the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of part A of the utility model;

[0018] Figure 4 It is an enlarged view of part B of the utility model.

[0019] In the figure: 1. heat exchange shell; 2. liquid inlet; 3. liquid discharge port; 4. air inlet; 5. exhaust port; 6. conical joint; 7. first connecting flange; 8. connecting hole; 9. sealing gasket; 10. second connecting flange; 11. third connecting flange; 12. fixing bolt; 13. fixing seat; 14. motor; 15. screw rod; 16. sleeve; 17. mounting plate; 18. cleaning ring; 19. fixing plate; 20. sealing ring; 21. heat exchange tube; 22. heat exchange plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4The utility model provides a high-efficiency gas-liquid heat exchanger device for a centrifugal air compressor interstage heat recovery system, comprising a heat exchange shell 1, a liquid inlet 2 is provided in the middle of the top of the heat exchange shell 1, a liquid discharge port 3 is provided at the bottom of the heat exchange shell 1, an air inlet 4 and an air discharge port 5 are respectively provided on both sides of the heat exchange shell 1, a fixing plate 19 is fixedly provided inside the liquid inlet 2 and the liquid discharge port 3, a plurality of evenly distributed heat exchange tubes 21 are fixedly connected between the two fixing plates 19, a fixing seat 13 is fixedly provided on both sides of the top of the heat exchange shell 1, a motor 14 is fixedly installed inside the two fixing seats 13, the output ends of the two motors 14 extend to the inside of the heat exchange shell 1 and are fixedly connected with a screw rod 15, the surfaces of the two screw rods 15 are threadedly provided with a sleeve 16, and the two sleeves 16 are fixedly connected between them. A mounting plate 17 is fixedly provided, and a plurality of cleaning rings 18 are fixedly provided in the middle of the mounting plate 17. Cold water is introduced into the liquid inlet 2 and then diverted to a plurality of heat exchange tubes 21. High-temperature gas is introduced into the heat exchange shell 1 through the air inlet 4, so that the high-temperature gas and the cold water in the plurality of heat exchange tubes 21 are heat-exchanged, and the water is heated, thereby realizing waste heat recovery of the high-temperature gas. The two motors 14 drive the two screw rods 15 to rotate synchronously, thereby driving the two sleeves 16 to move up and down synchronously, thereby driving the mounting plate 17 and the plurality of cleaning rings 18 to move up and down synchronously. The arrangement of the plurality of cleaning rings 18 facilitates the cleaning of the surfaces of the plurality of heat exchange tubes 21, thereby preventing dust or foreign matter from adhering to the surfaces of the heat exchange tubes 21 and affecting the heat exchange efficiency.

[0022] Conical joints 6 are provided at one end of the liquid inlet 2 away from the heat exchange shell 1, one end of the liquid discharge port 3 away from the heat exchange shell 1, one end of the air inlet 4 away from the heat exchange shell 1, and one end of the exhaust port 5 away from the heat exchange shell 1. Four conical joints 6 are fixedly provided with first connecting flanges 7 at one end away from the heat exchange shell 1. The surfaces of the four first connecting flanges 7 are provided with a plurality of connecting holes 8. Sealing gaskets 9 are fixedly provided at the connection between the four conical joints 6 and the liquid inlet 2, the liquid discharge port 3, the air inlet 4, and the exhaust port 5, respectively. Second connecting flanges 10 are fixedly provided on the surfaces of the liquid inlet 2, the liquid discharge port 3, the air inlet 4, and the exhaust port 5, and third connecting flanges 11 are fixedly provided on the surfaces of the four conical joints 6. A plurality of fixing bolts 12 are threadedly provided between the four second connecting flanges 10 and the four third connecting flanges 11, respectively.

[0023] When in use, the four first connecting flanges 7 and the plurality of connecting holes 8 are arranged to facilitate the four tapered joints 6 to be connected to the corresponding four connecting pipes, the sealing gasket 9 is arranged to improve the sealing performance, and the four tapered joints 6 are conveniently connected to the liquid inlet 2, the liquid discharge port 3, the air inlet 4 and the air exhaust port 5 respectively by the coordinated arrangement of the plurality of fixing bolts 12, the four second connecting flanges 10 and the four third connecting flanges 11;

[0024] The connection between the two fixing plates 19 and the heat exchange tubes 21 is fixedly provided with sealing rings 20, the surfaces of the heat exchange tubes 21 are fixedly provided with a plurality of heat exchange fins 22, and a plurality of cleaning rings 18 are respectively sleeved on the surfaces of the plurality of heat exchange tubes 21;

[0025] When in use, the setting of the sealing ring 20 can improve the overall sealing performance, the setting of several heat exchange plates 22 can improve the heat exchange performance of several heat exchange tubes 21, and the setting of several cleaning rings 18 facilitates cleaning of the surfaces of several heat exchange tubes 21.

[0026] When the embodiment of the present application is in use: by introducing cold water into the liquid inlet 2 and then diverting it to a plurality of heat exchange tubes 21, by introducing high-temperature gas into the heat exchange shell 1 through the air inlet 4, the high-temperature gas is heat-exchanged with the cold water in the plurality of heat exchange tubes 21, and then the water is heated, thereby realizing waste heat recovery of the high-temperature gas. During use, the two motors 14 drive the two screw rods 15 to rotate synchronously, thereby driving the two sleeves 16 to move up and down synchronously, thereby driving the mounting plate 17 and a plurality of cleaning rings 18 to move up and down synchronously. The provision of the plurality of cleaning rings 18 facilitates the cleaning of the surfaces of the plurality of heat exchange tubes 21, thereby preventing dust or foreign matter from adhering to the surfaces of the heat exchange tubes 21 and affecting the heat exchange efficiency.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency gas-liquid heat exchanger device for a centrifugal air compressor interstage heat recovery system, comprising a heat exchange shell (1), characterized in that: A liquid inlet (2) is provided in the middle of the top of the heat exchange shell (1), a liquid discharge port (3) is provided at the bottom of the heat exchange shell (1), an air inlet (4) and an air discharge port (5) are provided on both sides of the heat exchange shell (1), a fixing plate (19) is fixedly provided inside the liquid inlet (2) and the liquid discharge port (3), a plurality of evenly distributed heat exchange tubes (21) are fixedly connected between the two fixing plates (19), a fixing seat (13) is fixedly provided on both sides of the top of the heat exchange shell (1), a motor (14) is fixedly installed inside the two fixing seats (13), the output ends of the two motors (14) extend to the inside of the heat exchange shell (1) and are fixedly connected to a screw rod (15), sleeves (16) are threadedly provided on the surfaces of the two screw rods (15), a mounting plate (17) is fixedly provided between the two sleeves (16), and a plurality of cleaning rings (18) are fixedly provided in the middle of the mounting plate (17).

2. The high-efficiency gas-liquid heat exchanger device for the interstage heat recovery system of a centrifugal air compressor according to claim 1, characterized in that: The end of the liquid inlet (2) away from the heat exchange shell (1), the end of the liquid discharge port (3) away from the heat exchange shell (1), the end of the air inlet (4) away from the heat exchange shell (1) and the end of the air outlet (5) away from the heat exchange shell (1) are all provided with conical joints (6); the ends of the four conical joints (6) away from the heat exchange shell (1) are all fixedly provided with first connecting flanges (7); and the surfaces of the four first connecting flanges (7) are all provided with a plurality of connecting holes (8).

3. The high-efficiency gas-liquid heat exchanger device for the inter-stage heat recovery system of a centrifugal air compressor according to claim 2, characterized in that: Sealing pads (9) are fixedly provided at the connection points between the four conical joints (6) and the liquid inlet (2), the liquid discharge port (3), the air inlet (4) and the air discharge port (5).

4. The high-efficiency gas-liquid heat exchanger device for the inter-stage heat recovery system of a centrifugal air compressor according to claim 2, characterized in that: The surfaces of the liquid inlet (2), the liquid discharge port (3), the air inlet (4) and the air outlet (5) are all fixedly provided with second connection flanges (10), the surfaces of the four conical joints (6) are all fixedly provided with third connection flanges (11), and a plurality of fixing bolts (12) are respectively threadedly provided between the four second connection flanges (10) and the four third connection flanges (11).

5. The high-efficiency gas-liquid heat exchanger device for the inter-stage heat recovery system of a centrifugal air compressor according to claim 1, characterized in that: Sealing rings (20) are fixedly provided at the connection points between the two fixing plates (19) and the heat exchange tube (21).

6. The high-efficiency gas-liquid heat exchanger device for the inter-stage heat recovery system of a centrifugal air compressor according to claim 1, characterized in that: A plurality of heat exchange fins (22) are fixedly arranged on the surfaces of the plurality of heat exchange tubes (21).

7. The high-efficiency gas-liquid heat exchanger device for the inter-stage heat recovery system of a centrifugal air compressor according to claim 1, characterized in that: A plurality of cleaning rings (18) are respectively sleeved on the surfaces of a plurality of heat exchange tubes (21).

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