CN216770305U

CN216770305U - Large-scale instantaneous high pressure resistant heat exchanger

Info

Publication number: CN216770305U
Application number: CN202123389152.XU
Authority: CN
Inventors: 丁云龙; 王斌; 钮峰
Original assignee: Wuxi Fangsheng Heat Exchanger Corp ltd
Current assignee: Wuxi Fangsheng Heat Exchanger Corp ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a large instantaneous high-pressure resistant heat exchanger which comprises a first heat exchange box, wherein the top of the first heat exchange box is in transitional connection with a second heat exchange box through an end enclosure, the width of the first heat exchange box is larger than that of the second heat exchange box, a first heat exchange core is fixed inside the first heat exchange box, a second heat exchange core is fixed inside the second heat exchange box, the first heat exchange core and the second heat exchange core are communicated with each other, a liquid inlet pipe is arranged at the center of the top of the second heat exchange box, and a liquid outlet pipe is arranged at the center of the bottom of the first heat exchange box. The utility model has novel structure and ingenious conception, the width of the second heat exchange box is smaller than that of the first heat exchange box, the structural strength of the second heat exchange core is larger than that of the first heat exchange core under the same condition, and when the liquid inlet pressure of the liquid inlet pipe is overhigh instantly, the pressure resistance of the second heat exchange core is greatly improved, and the second heat exchange core can play a role in buffering, thereby greatly prolonging the service life of the heat exchanger.

Description

Large-scale instantaneous high pressure resistant heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a large instantaneous high-pressure resistant heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

When the large heat exchanger is started, instantaneous high pressure can be generated at an inlet, the leakage condition at the inlet can be caused, the service life is greatly reduced, and the cost of a product is increased. Therefore, it is necessary to design a large instantaneous high-pressure resistant heat exchanger.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the large instantaneous high-pressure resistant heat exchanger which is novel in structure and ingenious in conception, the width of the second heat exchange box is smaller than that of the first heat exchange box, the structural strength of the second heat exchange core is larger than that of the first heat exchange core under the same condition, and when the liquid inlet pressure of the liquid inlet pipe is overhigh instantaneously, the pressure resistance of the second heat exchange core is greatly improved, and the second heat exchange core can play a role in buffering, so that the service life of the heat exchanger is greatly prolonged.

In order to achieve the purpose, the utility model provides the following technical scheme: large-scale instantaneous high pressure resistant heat exchanger, including first heat transfer case, there is the second heat transfer case at the top of first heat transfer case through head transitional coupling, and the width of first heat transfer case is greater than the width of second heat transfer case, the inside of first heat transfer case is fixed with first heat transfer core, the inside of second heat transfer case is fixed with the second heat transfer core, and communicates each other between first heat transfer core and the second heat transfer core, the top center department of second heat transfer case installs the feed liquor pipe, the drain pipe is installed at the bottom center department of first heat transfer case.

Preferably, a pressure detection port is formed in one side of the end socket, a pressure sensor is installed on the pressure detection port, a pressure relief pipe is installed on the other side of the end socket, an electromagnetic pressure relief valve is installed on the pressure relief pipe, a controller is installed on the electromagnetic pressure relief valve, the pressure sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the electromagnetic pressure relief valve.

Preferably, the outer side of the end socket is covered with a protection plate for connecting the first heat exchange box and the second heat exchange box.

Preferably, a positioning plate is fixed on one side of the bottom of the first heat exchange box through a positioning screw, and positioning blocks are symmetrically installed on the top of the second heat exchange box.

The utility model has the beneficial effects that:

1. the width of the second heat exchange box is smaller than that of the first heat exchange box, the structural strength of the second heat exchange core is larger than that of the first heat exchange core under the same condition, and when the liquid inlet pressure of the liquid inlet pipe is overhigh instantly, the pressure resistance of the second heat exchange core is greatly improved, and the second heat exchange core can play a role in buffering, so that the service life of the heat exchanger is greatly prolonged;

2. the pressure sensor through setting up can the inside pressure of real-time detection head to with pressure information transmission to controller, when the pressure value exceeded the threshold that the controller set up, controller control electromagnetic relief valve opened, carries out the pressure release operation, further promotes the life of heat exchanger.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a second schematic diagram of the overall three-dimensional structure of the present invention;

FIG. 3 is a schematic view of a heat exchange core mounting plan of the present invention;

reference numbers in the figures: 1. a first heat exchange tank; 2. a second heat exchange tank; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. positioning a plate; 6. positioning blocks; 7. sealing the end; 8. a pressure detection port; 9. a pressure sensor; 10. a pressure relief pipe; 11. an electromagnetic pressure relief valve; 12. a controller; 13. a protection plate; 14. a set screw; 15. a first heat exchange core; 16. and the second heat exchange core.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings.

The large heat exchanger in the prior art can generate instantaneous high pressure at an inlet when the heat exchanger is started, so that the leakage condition at the inlet can be caused, the service life is greatly reduced, and the cost of a product is increased.

Example one

As shown in fig. 1, fig. 2 and fig. 3, the present invention provides the following technical solutions: a large-scale instantaneous high-pressure resistant heat exchanger comprises a first heat exchange box 1, the top of the first heat exchange box 1 is connected with a second heat exchange box 2 in a transition way through a seal head 7, the width of the first heat exchange box 1 is larger than that of the second heat exchange box 2, a first heat exchange core 15 is fixed inside the first heat exchange box 1, a second heat exchange core 16 is fixed inside the second heat exchange box 2, the first heat exchange core 15 and the second heat exchange core 16 are communicated with each other, a liquid inlet pipe 3 is arranged at the center of the top of the second heat exchange box 2, a liquid outlet pipe 4 is arranged at the center of the bottom of the first heat exchange box 1, the width of the second heat exchange box 2 is smaller than that of the first heat exchange box 1, the structural strength of the second heat exchange core 16 is larger than that of the first heat exchange core 15 under the same condition, when the pressure of the liquid inlet pipe 3 is overhigh instantaneously, the pressure resistance of the second heat exchange core 16 is greatly improved, and the second heat exchange core 16 can play a buffering role, thereby greatly prolonging the service life of the heat exchanger.

Preferably, the outer side of the end socket 7 is covered with a protection plate 13 for connecting the first heat exchange box 1 and the second heat exchange box 2, so that the connection strength is improved.

Preferably, a positioning plate 5 is fixed on one side of the bottom of the first heat exchange box 1 through a positioning screw 14, and positioning blocks 6 are symmetrically installed on the top of the second heat exchange box 2, so that the first heat exchange box 1 and the second heat exchange box 2 can be conveniently installed.

Example two

In the first embodiment, an automatic pressure relief function is not provided, referring to fig. 1, as another preferred embodiment, as a difference from the first embodiment, a pressure detection port 8 is formed in one side of the end enclosure 7, a pressure sensor 9 is installed on the pressure detection port 8, a pressure relief pipe 10 is installed on the other side of the end enclosure 7, an electromagnetic pressure relief valve 11 is installed on the pressure relief pipe 10, a controller 12 is installed on the electromagnetic pressure relief valve 11, the pressure sensor 9 is electrically connected to an input end of the controller 12, an output end of the controller 12 is electrically connected to the electromagnetic pressure relief valve 11, the pressure inside the end enclosure 7 can be detected in real time through the set pressure sensor 9, and pressure information is transmitted to the controller 12, when a pressure value exceeds a threshold value set by the controller 12, the controller 12 controls the electromagnetic pressure relief valve 11 to be opened, pressure relief operation is performed, and the service life of the pressure relief valve is further prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Large-scale resistant instantaneous high pressure heat exchanger, including first heat transfer case (1), its characterized in that: the top of first heat transfer case (1) has second heat transfer case (2) through head (7) transitional coupling, and the width of first heat transfer case (1) is greater than the width of second heat transfer case (2), the inside of first heat transfer case (1) is fixed with first heat transfer core (15), the inside of second heat transfer case (2) is fixed with second heat transfer core (16), and communicates each other between first heat transfer core (15) and second heat transfer core (16), feed liquor pipe (3) are installed to the top center department of second heat transfer case (2), drain pipe (4) are installed to the bottom center department of first heat transfer case (1).

2. A large instantaneous high pressure resistant heat exchanger according to claim 1, characterized in that: pressure detection mouth (8) have been seted up to one side of head (7), install pressure sensor (9) on pressure detection mouth (8), pressure release pipe (10) are installed to the opposite side of head (7), install electromagnetic relief valve (11) on pressure release pipe (10), install controller (12) on electromagnetic relief valve (11), the input of pressure sensor (9) electric connection controller (12), the output electric connection electromagnetic relief valve (11) of controller (12).

3. A large instantaneous high pressure resistant heat exchanger according to claim 1, characterized in that: and the outer side of the end socket (7) is covered with a protection plate (13) for connecting the first heat exchange box (1) and the second heat exchange box (2).

4. A large instantaneous high pressure resistant heat exchanger according to claim 1, characterized in that: a positioning plate (5) is fixed on one side of the bottom of the first heat exchange box (1) through a positioning screw (14), and positioning blocks (6) are symmetrically installed on the top of the second heat exchange box (2).