CN210464135U

CN210464135U - Heat exchanger

Info

Publication number: CN210464135U
Application number: CN201920653965.9U
Authority: CN
Inventors: 李素珍
Original assignee: Wuxi Dingbang Heat Exchanger Equipment Co ltd
Current assignee: Wuxi Dingbang Heat Exchanger Equipment Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-05-05
Anticipated expiration: 2029-05-08

Abstract

The utility model belongs to the technical field of heat exchange equipment, and relates to a heat exchange device, which comprises a shell, wherein an elliptical seal head is integrally connected with one end of the shell in the axial direction; the casing top sets up high-pressure gas and advances the pipe, and the casing bottom sets up the condensate liquid exit tube, and the upper surface of hydroecium sets up the drain pipe, the lower surface sets up the feed liquor pipe, and the inlet connection of feed liquor pipe and heat exchange piping, drain pipe and heat exchange piping's exit end are connected. The utility model has the advantages of simple structure, rationally ingenious, carry out the pertinence through the shortcoming to current heat transfer device existence and improve for product heat exchange efficiency after the improvement is high, and the inside fluid flow field of casing is through optimal design, and when using, gaseous relative detention time is longer, and the heat transfer is effectual, and degree of automation is high, stable, reliable, convenient operation.

Description

Heat exchanger

Technical Field

The utility model belongs to the technical field of indirect heating equipment, a heat transfer device is related to.

Background

At present, a commonly used heat exchanger for heat exchange of industrial media comprises a pipe passing box, a shell and a pipe plate, wherein a high-pressure gas inlet pipe, a condensed liquid outlet pipe and an exhaust pipe are arranged on two sides of the shell, a liquid inlet pipe and a liquid outlet pipe are arranged on two sides of the pipe box, an exhaust port and a drain outlet are arranged on the pipe box, and a key part pipe system for heat exchange is arranged. In the process, the process route of the high-temperature high-pressure gas is simple, and the heat conduction is not easy to reach the ideal process index.

Because of the high-temperature and high-pressure equipment, the wall thickness of the equipment needs to meet the requirements of working conditions, and the weight of the equipment is several times that of medium and low-pressure equipment. Although the equipment cost investment is large, the heat transfer efficiency of the common equipment is low, and other heat exchange equipment is connected in series to achieve the desired temperature, so that the economic benefit is low.

Disclosure of Invention

The utility model provides a to above-mentioned problem, a heat transfer device is provided, and this heat transfer device is when using, and gaseous residence time is long in the casing, and heat exchange efficiency is high, and the operation is stable, reliable.

According to the technical scheme of the utility model: a heat exchange device is characterized in that: the heat exchanger comprises a shell, wherein one axial end of the shell is an integrally connected elliptical end socket, a heat exchange pipe system is arranged in the shell, the other axial end of the shell is fixedly connected with a pipe plate, and the outer side of the pipe plate is fixedly connected with a water chamber; the top of the shell is provided with a high-pressure gas inlet pipe, the bottom of the shell is provided with a condensed liquid outlet pipe, the upper surface of the water chamber is provided with a liquid outlet pipe, the lower surface of the water chamber is provided with a liquid inlet pipe, the liquid inlet pipe is connected with the inlet end of the heat exchange pipe system, and the liquid outlet pipe is connected with the outlet end of the heat exchange pipe system; the heat exchange pipe system is sequentially provided with a superheating section, a saturation section and a cooling section along the running direction of the high-pressure gas.

As a further improvement of the utility model, the heat exchange pipe system comprises a plurality of distance pipes fixedly connected with the pipe plate, and two ends of the U-shaped pipe are respectively connected with the liquid inlet pipe and the liquid outlet pipe after being fixedly connected with the pipe plate; the superheating section comprises a first gas housing and a second gas housing, the top surface of the first gas housing is connected with a high-pressure gas inlet pipe, the lower part of the first gas housing is communicated with a through hole at the upper end of the second gas housing, a first upper baffle plate and a second upper baffle plate are arranged on the inner wall of a top cover of the second gas housing in parallel corresponding to two sides of the through hole, a first lower baffle plate and a second lower baffle plate are arranged on a bottom plate of the second gas housing in parallel, the first upper baffle plate is arranged on the outer sides of the first lower baffle plate and the second lower baffle plate, the second upper baffle plate is arranged between the first lower baffle plate and the second lower baffle plate, and the side wall opening of the second gas housing; the cooling section is arranged below the overheating section, an opening at one axial side of the cooling section is communicated with the saturation section, the other axial side of the cooling section is fixedly connected to the tube plate, two cooling section upper baffle plates are arranged on the inner wall of the top of the cooling section in parallel, three cooling section lower baffle plates are arranged on the inner wall of the bottom of the cooling section in parallel, and the two cooling section upper baffle plates are respectively and correspondingly arranged between the adjacent cooling section lower baffle plates.

As a further improvement, the top of the shell is also provided with a plurality of pressure machine ports, the top and the bottom of the shell are respectively provided with a radar liquid level meter port, and the top and the bottom of the shell are respectively provided with a turning plate liquid level meter port.

As a further improvement of the utility model, the bottom of the shell is also provided with a water outlet valve port, and the top of the shell is provided with an exhaust pipe.

As a further improvement of the utility model, the bottom of the shell is provided with a first drainage valve port and a second drainage valve port.

As a further improvement, the liquid outlet pipe is provided with a first gas outlet, and the liquid inlet pipe is provided with a second gas outlet.

As the utility model discloses a further improvement, the preceding stage hydrophobic baffle is fixed to the terminal surface of U type pipe, and the preceding stage hydrophobic baffle is the right angle shape of buckling, and the upper portion right-angle board of preceding stage hydrophobic baffle is connected with the upper end of U type pipe, and the vertical right-angle board of preceding stage hydrophobic baffle is laminated mutually with the outer top of U type pipe and is contacted.

The technical effects of the utility model reside in that: the utility model has the advantages of simple structure, rationally ingenious, carry out the pertinence through the shortcoming to current heat transfer device existence and improve for product heat exchange efficiency after the improvement is high, and the inside fluid flow field of casing is through optimal design, and when using, gaseous relative detention time is longer, and the heat transfer is effectual, and degree of automation is high, stable, reliable, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1, the cooling system comprises a header passing box 1, a shell 2, a tube plate 3, a high-pressure gas inlet tube 4, a condensed liquid outlet tube 5, an exhaust tube 6, a liquid inlet tube 7, a liquid outlet tube 8, a first exhaust port 9, a second exhaust port 10, a heat exchange tube system 11, a first gas housing 12, a second gas housing 13, a partition 14, an end plate 15, a radar level gauge port 16, a flap level gauge port 17, a first drain valve port 18, a second drain valve port 19, a safety valve 20, a pressure gauge port 21, a water outlet valve port 22, a preceding stage drain baffle 23, a water chamber 24, a distance tube 25, a first upper baffle 26, a second upper baffle 27, a first lower baffle 28, a second lower baffle 29, a cooling section lower baffle 30, a cooling section upper baffle 31 and the like.

As shown in fig. 1, the utility model relates to a heat exchange device, which comprises a shell 2, wherein one axial end of the shell 2 is an integrally connected elliptical head, a heat exchange piping system 11 is arranged in the shell 2, the other axial end of the shell 2 is fixedly connected with a tube plate 3, and the outer side of the tube plate 3 is fixedly connected with a water chamber 24; the top of the shell 2 is provided with a high-pressure gas inlet pipe 4, the bottom of the shell 2 is provided with a condensed liquid outlet pipe 5, the upper surface of the water chamber 24 is provided with a liquid outlet pipe 8, the lower surface of the water chamber is provided with a liquid inlet pipe 7, the liquid inlet pipe 7 is connected with the inlet end of the heat exchange pipe system 11, and the liquid outlet pipe 8 is connected with the outlet end of the heat exchange pipe system 11; the heat exchange pipe system 11 is sequentially provided with a superheating section, a saturation section and a cooling section along the running direction of the high-pressure gas.

The heat exchange pipe system 11 comprises a plurality of distance pipes 25 fixedly connected with the pipe plate 3, and two ends of the U-shaped pipe are respectively connected with the liquid inlet pipe 7 and the liquid outlet pipe 8 after being fixedly connected with the pipe plate 3; the superheating section comprises a first gas housing 12 and a second gas housing 13, the top surface of the first gas housing 12 is connected with a high-pressure gas inlet pipe 4, the lower part of the first gas housing 12 is communicated with a through hole at the upper end of the second gas housing 13, a first upper baffle plate 26 and a second upper baffle plate 27 are arranged on the inner wall of a top cover of the second gas housing 13 in parallel corresponding to two sides of the through hole, a first lower baffle plate 28 and a second lower baffle plate 29 are arranged on the bottom plate of the second gas housing 13 in parallel, the first upper baffle plate 26 is arranged on the outer sides of the first lower baffle plate 28 and the second lower baffle plate 29, the second upper baffle plate 27 is arranged between the first lower baffle plate 28 and the second lower baffle plate 29, and the side wall opening of the second gas housing 13; the cooling section is arranged below the overheating section, an opening at one axial side of the cooling section is communicated with the saturation section, the other axial side of the cooling section is fixedly connected to the tube plate 3, two cooling section upper baffle plates 31 are arranged on the inner wall of the top of the cooling section in parallel, three cooling section lower baffle plates 30 are arranged on the inner wall of the bottom of the cooling section in parallel, and the two cooling section upper baffle plates 31 are respectively and correspondingly arranged between the adjacent cooling section lower baffle plates 30.

Preceding stage hydrophobic baffle 23 is fixed to the terminal surface of U type pipe, and preceding stage hydrophobic baffle 23 is the right angle shape of buckling, and the upper portion right angle board of preceding stage hydrophobic baffle 23 is connected with the upper end of U type pipe, and the vertical right angle board of preceding stage hydrophobic baffle 23 is laminated mutually with the outer top of U type pipe and is contacted.

The top of the shell 2 is also provided with a plurality of pressure machine ports 21, the top and the bottom of the shell 2 are respectively provided with a radar liquid level meter port 16, and the top and the bottom of the shell 2 are respectively provided with a turning plate liquid level meter port 17.

The bottom of the shell 2 is also provided with a water outlet valve port 22, and the top of the shell 2 is provided with an exhaust pipe 6. In the course of the work, when the U type pipe broke, the intraductal liquid of U type flowed out in a large number, opened water valve port 22 this moment, can discharge the liquid in the casing 2 outside to the casing 2 rapidly, avoided the interior liquid that accumulates of casing 2.

The bottom of the shell 2 is provided with a first drain valve port 18 and a second drain valve port 19, and when the water cooling device works, the first drain valve port 18 and the second drain valve port 19 are used for guiding out condensed water in the shell 2, and most of the condensed water in the shell 2 is forced to flow out through the condensed liquid outlet pipe 5 at the cooling section part.

A first exhaust port 9 is formed in the liquid outlet pipe 8, and a second exhaust port 10 is formed in the liquid inlet pipe 7.

As shown in figure 1, the utility model discloses the product is at the during operation, and high-pressure gas advances in the pipe 4 gets into the built-in first gas housing 12 of casing 2 via high-pressure gas to enter into the second gas housing 13, high-pressure gas is in the second gas housing 13, leads to high-pressure gas by baffling board 27, first baffling board 28, baffling board 29 under the second on first baffling board 26, the second, increases gaseous walking route length, reinforcing heat transfer effect. After passing through the superheating section, the high-pressure gas enters the saturation section and then enters the cooling section from the saturation section, after entering the cooling section, the high-pressure gas is guided by the cooling section upper baffle plate 31 and the cooling section lower baffle plate 30, and flows out from the condensed liquid outlet pipe 5 after being liquefied.

When the pressure measuring device is used, the pressure measuring port 21 is provided with external equipment for detecting pressure so as to conveniently detect the pressure inside the shell 2 in real time, and when the pressure inside the shell 2 is detected to be higher, the pressure inside the shell 2 can be correspondingly adjusted by adjusting the safety valve 20; the liquid level inside the shell 2 is detected correspondingly through the flap liquid level meter 17 and the radar liquid level meter 16 so as to ensure that the liquid level inside the shell 2 is in a safe range.

Claims

1. A heat exchange device is characterized in that: the heat exchanger comprises a shell (2), wherein one axial end of the shell (2) is an integrally connected elliptical seal head, a heat exchange pipe system (11) is arranged in the shell (2), the other axial end of the shell (2) is fixedly connected with a tube plate (3), and the outer side of the tube plate (3) is fixedly connected with a water chamber (24); the top of the shell (2) is provided with a high-pressure gas inlet pipe (4), the bottom of the shell (2) is provided with a condensed liquid outlet pipe (5), the upper surface of the water chamber (24) is provided with a liquid outlet pipe (8), the lower surface of the water chamber is provided with a liquid inlet pipe (7), the liquid inlet pipe (7) is connected with the inlet end of the heat exchange pipe system (11), and the liquid outlet pipe (8) is connected with the outlet end of the heat exchange pipe system (11); the heat exchange pipe system (11) is sequentially provided with a superheating section, a saturation section and a cooling section along the running direction of the high-pressure gas.

2. The heat exchange device of claim 1, wherein: the heat exchange pipe system (11) comprises a plurality of distance pipes (25) fixedly connected with the pipe plate (3), and two ends of the U-shaped pipe are respectively connected with the liquid inlet pipe (7) and the liquid outlet pipe (8) after being fixedly connected with the pipe plate (3); the superheating section comprises a first gas housing (12) and a second gas housing (13), the top surface of the first gas housing (12) is connected with a high-pressure gas inlet pipe (4), the lower part of the first gas housing (12) is communicated with a through hole at the upper end of the second gas housing (13), a first upper baffle plate (26) and a second upper baffle plate (27) are arranged on the inner wall of a top cover of the second gas housing (13) in parallel corresponding to the two sides of the through hole, a first lower baffle plate (28) and a second lower baffle plate (29) are arranged on the bottom plate of the second gas housing (13) in parallel, the first upper baffle plate (26) is arranged on the outer sides of the first lower baffle plate (28) and the second lower baffle plate (29), the second upper baffle plate (27) is arranged between the first lower baffle plate (28) and the second lower baffle plate (29), and the side wall opening of the second gas; the cooling section is arranged below the overheating section, an opening at one axial side of the cooling section is communicated with the saturation section, the other axial side of the cooling section is fixedly connected to the tube plate (3), two cooling section upper baffle plates (31) are arranged on the inner wall of the top of the cooling section in parallel, three cooling section lower baffle plates (30) are arranged on the inner wall of the bottom of the cooling section in parallel, and the two cooling section upper baffle plates (31) are respectively and correspondingly arranged between the three cooling section lower baffle plates (30) and are adjacent to each other.

3. The heat exchange device of claim 1, wherein: the top of the shell (2) is also provided with a plurality of pressure machine ports (21), the top and the bottom of the shell (2) are respectively provided with a radar liquid level meter port (16), and the top and the bottom of the shell (2) are respectively provided with a turning plate liquid level meter port (17).

4. The heat exchange device of claim 1, wherein: the bottom of the shell (2) is also provided with a water outlet valve port (22), and the top of the shell (2) is provided with an exhaust pipe (6).

5. The heat exchange device of claim 1, wherein: the bottom of the shell (2) is provided with a first water drainage valve port (18) and a second water drainage valve port (19).

6. The heat exchange device of claim 1, wherein: set up first gas vent (9) on drain pipe (8), set up second gas vent (10) on feed liquor pipe (7).

7. The heat exchange device of claim 2, wherein: preceding stage hydrophobic baffle (23) are fixed to the terminal surface of U type pipe, and preceding stage hydrophobic baffle (23) are the right angle shape of buckling, and the upper portion right angle board of preceding stage hydrophobic baffle (23) is connected with the upper end of U type pipe, and the vertical right angle board of preceding stage hydrophobic baffle (23) is laminated mutually with the outer top of U type pipe and is contacted.