CN216745598U - Modular heat exchanger - Google Patents
Modular heat exchanger Download PDFInfo
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- CN216745598U CN216745598U CN202121529070.8U CN202121529070U CN216745598U CN 216745598 U CN216745598 U CN 216745598U CN 202121529070 U CN202121529070 U CN 202121529070U CN 216745598 U CN216745598 U CN 216745598U
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Abstract
The utility model relates to the field of power plants and chemical industry, in particular to a modular heat exchanger. The problem that when a heat exchanger breaks down, other heat exchangers can not work normally in the prior art is solved. The utility model provides a modular heat exchanger which is divided into a plurality of modules, each module comprises a heat exchanger, a distribution header is arranged at the bottom of the heat exchanger, and each distribution header is provided with an independent control valve.
Description
Technical Field
The utility model relates to the field of power plants and chemical industry, in particular to a modular heat exchanger.
Background
The information in this background section is only for enhancement of understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
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. The heat exchanger is suitable for heat exchangers of different media, different working conditions, different temperatures and different pressures, the structural style is also different, and the specific classification of the heat exchanger is as follows: the classification according to the principle of heat transfer can be divided into: 1. the indirect heat exchanger is connected with fluid, and the indirect heat exchanger is connected with fluid, 4, the direct contact heat exchanger and 5, and the compound heat exchanger are connected with the heat storage heat exchanger; the classification by use can be: 1. heater, 2, preheater, 3, over heater, 4, evaporimeter.
The inventor finds that the existing heat exchanger is mostly a single heat exchanger, and when a module goes wrong, the whole heat exchanger cannot be used, and the normal work of the heat exchanger cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a modular heat exchanger which can improve the heat exchange quantity and ensure that the whole heat exchanger can work normally when one heat exchanger fails.
Specifically, the utility model is realized by the following technical scheme:
the modular heat exchanger is divided into a plurality of modules, each module comprises a heat exchanger, a distribution header is arranged at the bottom of the heat exchanger, and each distribution header is provided with an independent control valve.
One or more embodiments of the present invention have the following advantageous effects:
1) the modular heat exchanger adopts a modular design, when one heat exchange module has a problem, the module can be independently cut off, other modules can normally work without influencing the whole heat exchanger, and the normal work of the heat exchanger is ensured.
2) The modular heat exchanger adopts a modular design, the modules are assembled in a processing plant, the installation on a construction site is convenient, the construction period is short, and the construction cost is low.
3) The modular heat exchanger adopts a modular design, and each module distribution header is provided with an independent control valve, so that each heat exchange module can be independently cut off, and the maintenance and the replacement are convenient.
4) The modular heat exchanger adopts the fin type heat exchange tube bundle with the expanded heating surface, so that the heat exchange quantity is improved, and the arrangement space of the heat exchanger can be reduced.
5) Each distribution header is provided with an independent control valve, gas flows through a shell pass (outside a pipe), water flows through a pipe pass (inside the pipe), and a heat exchange medium flows in a cross countercurrent mode, so that the maximum heat exchange effect is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic structural view of a modular heat exchanger in embodiment 1 of the present invention.
Fig. 2 is a sectional structural view of a modular heat exchanger in example 1 of the present invention.
Wherein: 1. the heat exchanger comprises a gas inlet interface, 2 a fin type heat exchange tube, 3 a support tube and a tube plate, 4 a gas outlet interface, 5 a distribution header, 6 an inlet collection header, 7 an intermediate collection header, 8 an outlet collection header, 9 and a control valve.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be understood that when the term "comprising" is used in the present invention it indicates the presence of the feature, device, component and/or combination thereof.
It is to be understood that the terms "upper", "lower", "top", "bottom", and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention.
In the existing device, if one heat exchange module has a problem, the whole heat exchanger cannot work, and the working efficiency is greatly influenced.
In order to solve the problems, the utility model provides a modular heat exchanger, which is divided into a plurality of modules, each module comprises a heat exchanger, distribution headers are respectively arranged at the top and the bottom of the heat exchanger, and each distribution header is provided with an independent control valve. The distribution header distributes the water from the inlet collection header.
The distribution header at the top of the heat exchanger is an inlet distribution header, and the collection header at the bottom of the heat exchanger is an outlet distribution header. And the inlet distribution header and the outlet distribution header are respectively provided with a valve.
In some embodiments, the heat exchanger comprises a finned heat exchanger tube bundle.
In some embodiments, each module includes a finned heat exchange tube bundle having an inlet collection header mounted at a top end and an outlet collection header mounted at a bottom end. The inlet collection tank is provided with a water inlet, and the outlet collection tank is provided with a water outlet.
In some embodiments, the inlet collection header between modules is connected to the outlet collection header.
In some embodiments, the heat exchanger is a finned convection heat exchanger.
In some embodiments, the modular heat exchanger is fitted with an inlet collection header at the top end and an outlet collection header at the bottom end.
In some embodiments, each module includes an inlet collection header, an inlet distribution header, a heat exchanger, an outlet distribution header, and an outlet collection header. Water enters the inlet collection tank, then enters the inlet distribution collection tank, enters the heat exchange tubes in the heat exchanger, enters the outlet distribution collection tank, and enters the outlet collection tank. Wherein, import distribution header and export distribution header all are equipped with solitary control valve, can carry out solitary cutting off to every heat exchange module, conveniently overhauls and change, and the normal operating of other heat exchangers is not influenced in the damage of a heat exchanger, guarantees modular heat exchanger's whole operation.
In some embodiments, the inlet collection header is mounted with a lifting tool.
In some embodiments, the lifting tool is a lifting lug. The design of hoist and mount lug can be convenient for change and maintain.
In some embodiments, the modules are connected in parallel, series, or series-parallel.
In some embodiments, the modular heat exchanger is a dividing wall heat exchanger. The dividing wall type heat exchanger features that the cold and hot fluids are separated by a layer of solid wall (pipe or plate) and do not mix with each other, and heat exchange is carried out through the dividing wall.
In some embodiments, the modular heat exchanger is equipped with a water inlet at the top end and a water outlet at the bottom end.
In some embodiments, the modular heat exchanger is equipped with a gas inlet port at the top end and a gas outlet port at the bottom end.
In some embodiments, the modular heat exchanger is provided with a gas outlet port at the top end and a gas inlet port at the bottom end. The heat exchange medium flows in a cross countercurrent mode, so that the heat exchange efficiency can be improved.
In some embodiments, a support tubesheet is mounted between each of the modules. The support tube plate is used for supporting each module.
In some embodiments, the modular heat exchanger is a two-stage heat exchanger with an intermediate collection header mounted in the middle of the modular heat exchanger.
In some embodiments, each module includes an inlet collection header, an inlet distribution header, a heat exchanger, an outlet distribution header, an intermediate collection header, and an outlet collection header. Water enters the inlet collection tank, then enters the inlet distribution collection tank, enters the heat exchange tubes in the heat exchanger, enters the outlet distribution collection tank, enters the middle collection tank, enters the inlet distribution collection tank, enters the heat exchange tubes in the heat exchanger, enters the outlet distribution collection tank, and enters the outlet collection tank. The intermediate collection header is very important in a two-stage heat exchanger, and if the intermediate collection header is not available, the lower-stage heat exchanger of the two-stage heat exchanger cannot play a role.
In some embodiments, the intermediate collection header is designed between the outlet distribution header of the upper section heat exchanger and the inlet distribution header of the lower section heat exchanger.
In some embodiments, the heat pipe is made of stainless steel. The above design can avoid corrosion.
Example 1
Referring to fig. 1 and 2, a modular heat exchanger belongs to a dividing wall type heat exchanger, the heat exchange medium is gas-water heat exchange, the heat exchanger mainly comprises a fin type convection heat exchange tube bundle, a distribution header 5, a collection header, a supporting tube plate, a frame, a guard plate and an interface, the heat exchanger adopts a modular design, the whole heat exchanger is decomposed into a plurality of modules, each module comprises the fin type heat exchange tube bundle 2, a supporting structural member and the distribution header 5, each header is provided with an independent control valve 9, gas flows out of a shell pass (outside of a tube), water flows out of the tube pass (inside of the tube), and the heat exchange medium flows in a cross countercurrent mode, so as to achieve the maximum heat exchange effect.
Example 2
Referring to fig. 1 and 2, a modular heat exchanger is divided into a plurality of modules, each module comprises a heat exchanger, a distribution header 5 is arranged at the bottom of the heat exchanger, and each distribution header 5 is provided with an independent control valve 9. The heat exchange tube bundle of the heat exchanger is a fin type heat exchange tube bundle with an expanded heating surface. The top end of the modular heat exchanger is provided with an inlet collecting box 6 and a gas inlet interface 1, and the bottom end of the modular heat exchanger is provided with an outlet collecting box 8 and a gas outlet interface 4. The modules are connected in series-parallel. The modular heat exchanger is a dividing wall type heat exchanger. And a supporting tube plate and a shell are arranged between each module. The modular heat exchanger is a two-section type heat exchanger, and a middle collecting tank 8 is arranged in the middle of the modular heat exchanger.
The above disclosure is only for the preferred embodiment of the present invention, and it should be understood that the present invention is not limited thereto, and the utility model is not limited to the above disclosure.
Claims (4)
1. A modular heat exchanger is characterized in that the modular heat exchanger is divided into a plurality of modules, each module comprises a heat exchanger, distribution headers are respectively arranged at the top and the bottom of the heat exchanger, and each distribution header is provided with an independent control valve;
the heat exchanger is a fin type convection heat exchanger;
the top end of the modular heat exchanger is provided with an inlet collecting box, and the bottom end of the modular heat exchanger is provided with an outlet collecting box;
the inlet collection box is provided with a hoisting tool;
the modules are connected in parallel;
the modular heat exchanger is a dividing wall type heat exchanger;
the top end of the modular heat exchanger is provided with a gas inlet interface, and the bottom end of the modular heat exchanger is provided with a gas outlet interface.
2. The modular heat exchanger as claimed in claim 1, wherein the lifting tool is a lifting lug.
3. The modular heat exchanger of claim 1, wherein a support tube sheet is mounted between each module.
4. The modular heat exchanger according to claim 1, characterized in that it is a two-section heat exchanger, in which an intermediate collection header is mounted in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121529070.8U CN216745598U (en) | 2021-07-05 | 2021-07-05 | Modular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121529070.8U CN216745598U (en) | 2021-07-05 | 2021-07-05 | Modular heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216745598U true CN216745598U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121529070.8U Active CN216745598U (en) | 2021-07-05 | 2021-07-05 | Modular heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216745598U (en) |
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2021
- 2021-07-05 CN CN202121529070.8U patent/CN216745598U/en active Active
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