CN216977632U - Vertical heat exchanger with depolarization channel structure - Google Patents
Vertical heat exchanger with depolarization channel structure Download PDFInfo
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- CN216977632U CN216977632U CN202220512563.9U CN202220512563U CN216977632U CN 216977632 U CN216977632 U CN 216977632U CN 202220512563 U CN202220512563 U CN 202220512563U CN 216977632 U CN216977632 U CN 216977632U
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- dead zone
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Abstract
The utility model discloses a vertical heat exchanger with a depolarization passage structure, which comprises a shell, wherein a liquid outlet is arranged on one side of the bottom of the shell, a fluid dead zone is formed in the shell lower than the liquid outlet, the vertical heat exchanger comprises a gas conveying pipe, the tail end of the gas conveying pipe is provided with a gas outlet, and the gas outlet at the tail end of the gas conveying pipe is led into the fluid dead zone; the utility model leads the gas into the fluid dead zone at the liquid phase bottom of the vertical heat exchanger, and forms directional turbulent flow in the fluid dead zone at the liquid phase bottom, thereby realizing elimination of the fluid dead zone at the liquid phase bottom, avoiding segregation of water and chloride ions, avoiding corrosion of steel at the bottom of the vertical heat exchanger, having simple structure and lower cost, prolonging the service life of the vertical heat exchanger, and improving the safety and stability of the vertical heat exchanger.
Description
Technical Field
The utility model belongs to the technical field of vertical heat exchanger equipment, and particularly relates to a vertical heat exchanger with a depolarization passage structure.
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. In domestic petrochemical and coalification equipment, the vertical heat exchanger has the advantages of small floor area and high heat exchange efficiency, and is widely applied.
Because the liquid outlet of the vertical heat exchanger has a certain height difference with the lowest point of the shell, a fluid dead zone is inevitably generated at the bottom of the shell, and a completely different environment is formed by the change of the surface energy of the gap, under the condition, original trace chloride ions, polar molecules, water, H2S and the like are segregated, so that the corrosion of steel at the bottom of the shell is caused. And the gas phase at the inlet of the shell of the vertical heat exchanger has the characteristics of high temperature and high pressure and can be utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical heat exchanger with a depolarization channel structure, which solves the problems in the prior art, and is characterized in that gas is introduced into a fluid dead zone at the liquid phase bottom of the vertical heat exchanger to form directional turbulence in the fluid dead zone at the liquid phase bottom, so that the fluid dead zone at the liquid phase bottom is eliminated, water and chloride ion segregation is avoided, corrosion of steel at the bottom of the vertical heat exchanger is avoided, the structure is simple, the cost is low, the service life of the vertical heat exchanger is prolonged, and the safety and the stability of the vertical heat exchanger are improved.
In order to achieve the purpose, the utility model provides the following technical scheme: the vertical heat exchanger comprises a shell, wherein a liquid outlet is formed in one side of the bottom of the shell, a fluid dead zone is formed in the shell lower than the liquid outlet, the vertical heat exchanger comprises a gas conveying pipe, a gas outlet is formed at the tail end of the gas conveying pipe, and the gas outlet at the tail end of the gas conveying pipe is guided into the fluid dead zone.
Furthermore, the gas pipe is provided with a gas inlet which is positioned at the inlet of the heat exchanger shell, and the gas phase at the inlet is led into the fluid dead zone at the bottom of the liquid phase by utilizing the pressure difference between the inlet of the heat exchanger shell and the gas outlet of the gas pipe.
Further, the gas transmission pipe is provided with a gas inlet, the gas inlet is provided with a fan, and the fan guides gas into the gas transmission pipe.
Further, the shell is internally provided with a cloth pipe area, and the air conveying pipe penetrates through the cloth pipe area.
Further, the gas outlet faces and is back to the liquid outlet.
Further, the gas conveying pipe is connected with at least two gas outlets.
The utility model has the following beneficial effects:
the utility model leads the gas into the fluid dead zone at the liquid phase bottom of the vertical heat exchanger, and forms directional turbulent flow in the fluid dead zone at the liquid phase bottom, thereby realizing elimination of the fluid dead zone at the liquid phase bottom, avoiding segregation of water and chloride ions, avoiding corrosion of steel at the bottom of the vertical heat exchanger, having simple structure and lower cost, prolonging the service life of the vertical heat exchanger, and improving the safety and stability of the vertical heat exchanger.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a shell, a liquid outlet, a gas pipe, a gas distribution area, a gas outlet and a gas pipe, wherein the shell comprises a shell body 2, a liquid outlet 3, a gas pipe 4, a pipe distribution area 31 and a gas outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "middle", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the embodiment provides a vertical heat exchanger with a depolarization passage structure, which includes a housing 1, wherein a liquid outlet 2 is disposed on one side of the bottom of the housing 1, a fluid dead zone is formed inside the housing 1 lower than the liquid outlet 2, the vertical heat exchanger includes a gas pipe 3, a gas outlet 31 is disposed at the end of the gas pipe 3, and the gas outlet 31 at the end of the gas pipe 3 leads into the fluid dead zone.
In this embodiment, the gas pipe 3 has a gas inlet, the gas inlet is located at the inlet of the heat exchanger shell 1, and the gas phase at the inlet is introduced into the fluid dead zone at the bottom of the liquid phase by using the pressure difference between the inlet of the heat exchanger shell 1 and the gas outlet of the gas pipe 3.
In this embodiment, the gas pipe 3 has an air inlet, and the air inlet is provided with a fan, and the fan guides gas into the gas pipe 3.
In this embodiment, the shell 1 has a cloth pipe area 4 inside, and the gas pipe 3 passes through the cloth pipe area 4.
In this embodiment, the gas outlet 31 faces and faces away from the liquid outlet 2.
In this embodiment, the air pipe 3 is connected to at least two air outlets 31.
The vertical heat exchanger is provided with the air conveying pipe 3, air supply equipment (a fan) is arranged at an air inlet of the air conveying pipe 3 or high-pressure air at an inlet of the heat exchanger shell 1 is utilized, so that the air passes through the air conveying pipe 3 and is guided into a fluid dead zone at the liquid phase bottom of the vertical heat exchanger shell 1 from an air outlet 31, and directional turbulence is formed in the fluid dead zone at the liquid phase bottom, so that the fluid dead zone at the liquid phase bottom is effectively eliminated, the segregation of water, chloride ions, polar molecules and H2S is avoided, the corrosion of steel at the bottom of the vertical heat exchanger is avoided, the structure is simple, the cost is lower, the service life of the vertical heat exchanger is prolonged, and the safety and the stability of the vertical heat exchanger are improved.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a vertical heat exchanger with passage structure is analysed in depolarization, includes the casing, and casing bottom one side is provided with the liquid outlet, is less than the inside fluid blind spot that forms of casing of liquid outlet, its characterized in that: comprises a gas pipe, wherein the tail end of the gas pipe is provided with a gas outlet, and the gas outlet at the tail end of the gas pipe is led into the fluid dead zone.
2. The vertical heat exchanger with a depolarized channel structure of claim 1, characterized in that: the gas pipe is provided with a gas inlet which is positioned at the inlet of the heat exchanger shell, and the gas phase at the inlet is led into the fluid dead zone at the bottom of the liquid phase by utilizing the pressure difference between the inlet of the heat exchanger shell and the gas outlet of the gas pipe.
3. The vertical heat exchanger with a depolarized channel structure of claim 1, characterized in that: the gas pipe is provided with a gas inlet, the gas inlet is provided with a fan, and the fan guides gas into the gas pipe.
4. The vertical heat exchanger with a depolarization passage structure of claim 1, wherein: the shell is internally provided with a cloth pipe area, and the gas pipe penetrates through the cloth pipe area.
5. The vertical heat exchanger with a depolarized channel structure of claim 1, characterized in that: the gas outlet faces and is back to the liquid outlet.
6. The vertical heat exchanger with a depolarization passage structure of claim 1, wherein: the air conveying pipe is connected with at least two air outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220512563.9U CN216977632U (en) | 2022-03-10 | 2022-03-10 | Vertical heat exchanger with depolarization channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220512563.9U CN216977632U (en) | 2022-03-10 | 2022-03-10 | Vertical heat exchanger with depolarization channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977632U true CN216977632U (en) | 2022-07-15 |
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ID=82360539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220512563.9U Active CN216977632U (en) | 2022-03-10 | 2022-03-10 | Vertical heat exchanger with depolarization channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977632U (en) |
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2022
- 2022-03-10 CN CN202220512563.9U patent/CN216977632U/en active Active
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