CN219572749U - Volumetric heat exchanger - Google Patents

Abstract

The utility model discloses a positive-displacement heat exchanger, which comprises a container body, an upper end enclosure and a lower end enclosure, wherein the upper end enclosure and the lower end enclosure are respectively arranged at the top and the bottom of the container body, a heat exchange tube bundle assembly for exchanging heat between media is arranged in the container body, a tube plate for supporting the heat exchange tube bundle assembly and separating cold and hot two-phase medium elements is arranged at the side part of the container body, the heat exchange tube bundle assembly extends to the outside of the container body and is connected with a flange assembly arranged at the side part of the container body, a hot fluid inlet and a hot fluid outlet are respectively arranged on the container body, and a cold fluid inlet is also arranged on the container body.

Description

Volumetric heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a positive displacement heat exchanger.

Background

The heat exchanger is a heat exchange device, also called a heat exchanger, that transfers part of the heat of a hot fluid to a cold fluid to bring the temperature of the fluid to an index specified by a process flow. Heat exchangers are widely used in the boiler heating and ventilation field as heat transfer devices, and with the rapid development of energy saving technology, the variety of heat exchangers is increasing.

However, the heat exchange efficiency of the existing heat exchanger is seriously low, the heat exchange efficiency of the heat exchanger needs to be increased by other devices, so that the cost is increased, and in addition, the existing heat exchanger has no heat storage function.

Disclosure of Invention

The present utility model aims to solve the above-mentioned drawbacks and disadvantages of the prior art by providing a positive displacement heat exchanger.

The technical problems solved by the utility model can be realized by adopting the following technical scheme:

the utility model provides a positive displacement heat exchanger, is in including the container body and setting up respectively the upper cover and the low head of the top and the bottom of container body, its characterized in that, the inside of container body is provided with the heat transfer tube bank subassembly that is used for carrying out the heat exchange between the medium, the lateral part of container body is provided with and is used for supporting the tube sheet of cold and hot two-phase medium element is separated to the heat transfer tube bank subassembly, the heat transfer tube bank subassembly extends to the external and with the setting of container body lateral part is in flange subassembly connection, be provided with hot fluid import and hot fluid export on the container body respectively, still be provided with the cold fluid import on the container body.

In a preferred embodiment of the utility model, the heat exchange tube bundle assembly comprises a U-shaped heat exchange tube bundle disposed inside the vessel body and a coil connected to the U-shaped heat exchange tube bundle and extending outside the vessel body.

In a preferred embodiment of the utility model, the flange assembly comprises a flange arranged on the coil pipe and a flange cover arranged on the flange and used for clamping the tube plate, and the flange cover are connected through bolts.

In a preferred embodiment of the utility model, the hot fluid inlet and hot fluid outlet are spaced side by side on the coil and are used for hot fluid inlet and hot fluid outlet.

In a preferred embodiment of the utility model, the container body is provided with manhole means.

In a preferred embodiment of the utility model, the outer wall of the container body is provided with a water level gauge interface.

In a preferred embodiment of the utility model, the outer wall of the container body is further provided with a pressure gauge interface.

In a preferred embodiment of the utility model, the upper sealing head is provided with a main steam valve.

In a preferred embodiment of the present utility model, a safety valve is further disposed on the upper seal head.

In a preferred embodiment of the utility model, a drain outlet is arranged on the lower sealing head.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that: the utility model can improve heat exchange efficiency and reduce cost, and in addition, the upper part of the U-shaped heat exchange tube bundle is a heat storage part, belongs to a hot water area, has large heat storage capacity and can adapt to the change of consumed heat.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of fig. 1.

Detailed Description

The utility model is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

Referring to fig. 1 to 2, a positive displacement heat exchanger includes a container body 10, and an upper head 20 and a lower head 30 provided at the top and bottom of the container body 10, respectively. Specifically, the bottom head 30 of the bottom of the container body 10 is provided with the supporting leg 30a contacting with the ground, so that the positive displacement heat exchanger is in a vertical structure.

The inside of the container body 10 is provided with a heat exchange tube bundle assembly 40 for exchanging heat between media, the side part of the container body 10 is provided with a tube plate 50 for supporting the heat exchange tube bundle assembly 40 and separating cold and hot two-phase media elements, the heat exchange tube bundle assembly 40 extends outside the container body 10 and is connected with a flange assembly 60 arranged at the side part of the container body 10, the container body 10 is respectively provided with a hot fluid inlet 11 and a hot fluid outlet 12, and the container body 10 is also provided with a cold fluid inlet 13.

The heat exchange tube bundle assembly 40 includes a U-shaped heat exchange tube bundle 41 disposed inside the vessel body 10 and a coil 42 connected to the U-shaped heat exchange tube bundle 41 and extending outside the vessel body 10. The coil 42 is directly circumscribed by the flange assembly 60.

The flange assembly 60 includes a flange 61 provided on the coil 42 and a flange cover 62 provided on the flange 61 for sandwiching the tube sheet 50, and the flange 61 and the flange cover 62 are connected by bolts 63. The flange 61 and the flange cover 62 serve to clamp the tube sheet 50 while also limiting the position of the U-shaped heat exchanger tube bundle 41, and the conventional tube box eliminated in this configuration is adopted, resulting in a simple structure.

The hot fluid inlet 11 and the hot fluid outlet 12 are spaced side by side on the coil 42 and serve to supply and discharge hot fluid. The thermal fluid in this embodiment is thermal oil.

In order to facilitate maintenance or installation of the apparatus, the manhole device 70 is provided on the container body 10, and the manhole device 70 in this embodiment includes a manhole 71 and a manhole cover 72.

In order to connect the water level meter, a water level meter port 14 is provided on the outer wall of the container body 10.

For the purpose of pressure gauge connection, a pressure gauge port 15 is also provided on the outer wall of the container body 10.

The upper end enclosure 20 is provided with a main steam valve 21, and the main steam valve 21 in this embodiment is an electric main steam valve in the prior art, which can be used to reduce labor intensity.

The upper sealing head 20 is also provided with a safety valve 22, and the safety valve 22 can play a role of protecting equipment besides a role of a switch.

The lower end socket 30 is provided with a drain outlet 31, and the drain outlet 31 is used for periodically draining sewage during non-operation.

The present utility model is an apparatus for transferring part of heat of a hot fluid to a cold fluid, and when operating, the hot fluid (conduction oil) enters the container 11 from the hot fluid inlet 11, and cold fluid (water) enters the container 11 from the cold fluid inlet 13, and then the hot fluid flows through the U-shaped heat exchange tube bundle 41, and heat exchange is formed, that is, physical heat balance is formed, heat of a high-temperature object is always transferred to a low-temperature object, so that heat of the hot fluid on the U-shaped heat exchange tube bundle 41 is exchanged to the cold fluid in the container 10, thereby realizing a heat exchange effect.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a positive displacement heat exchanger, is in including the container body and setting up respectively the upper cover and the low head of the top and the bottom of container body, its characterized in that, the inside of container body is provided with the heat transfer tube bank subassembly that is used for carrying out the heat exchange between the medium, the lateral part of container body is provided with and is used for supporting the tube sheet of cold and hot two-phase medium element is separated to the heat transfer tube bank subassembly, the heat transfer tube bank subassembly extends to the external and with the setting of container body lateral part is in flange subassembly connection, be provided with hot fluid import and hot fluid export on the container body respectively, still be provided with the cold fluid import on the container body.

2. The positive-displacement heat exchanger of claim 1, wherein the heat exchanger tube bundle assembly comprises a U-shaped heat exchanger tube bundle disposed within the vessel body and a coil connected to the U-shaped heat exchanger tube bundle and extending outside of the vessel body.

3. A positive-displacement heat exchanger as claimed in claim 2, wherein the flange assembly comprises a flange provided on the coil and a flange cover provided on the flange for clamping the tube sheet, the flange and the flange cover being connected by bolts.

4. A positive-displacement heat exchanger as claimed in claim 2, wherein said hot fluid inlet and hot fluid outlet are spaced side by side on said coil and are adapted for the inlet of hot fluid and the outlet of hot fluid.

5. A positive-displacement heat exchanger as claimed in claim 1, wherein the vessel body is provided with manhole means.

6. A positive-displacement heat exchanger as claimed in claim 1, wherein the outer wall of the vessel body is provided with a water level gauge interface.

7. A positive-displacement heat exchanger as claimed in claim 1, wherein the outer wall of the container body is further provided with a pressure gauge interface.

8. A positive-displacement heat exchanger as claimed in claim 1, wherein the upper head is provided with a main steam valve.

9. A positive-displacement heat exchanger as claimed in claim 1, wherein said upper header is further provided with a safety valve.

10. A positive-displacement heat exchanger as claimed in claim 1, wherein the lower head is provided with a drain.