CN220454354U - Hydrogen heat exchanger device - Google Patents
Hydrogen heat exchanger device Download PDFInfo
- Publication number
- CN220454354U CN220454354U CN202322064223.1U CN202322064223U CN220454354U CN 220454354 U CN220454354 U CN 220454354U CN 202322064223 U CN202322064223 U CN 202322064223U CN 220454354 U CN220454354 U CN 220454354U
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- Prior art keywords
- hydrogen
- heat exchanger
- plate
- baffle
- core
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000001257 hydrogen Substances 0.000 title claims abstract description 80
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 80
- 239000003054 catalyst Substances 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a hydrogen heat exchanger device, and belongs to the technical field of heat exchange devices. The hydrogen heat exchanger device comprises a cylinder body and a plate-fin heat exchanger component arranged in the cylinder body. Wherein the plate-fin heat exchanger assembly is composed of a first core and a second core which are arranged in series. The first core and the second core are internally filled with a catalyst for normal para-hydrogen conversion. The top and the bottom of the plate-fin heat exchanger component are both provided with open guide plates, and the guide plates are covered with detachable silk screens for preventing the catalyst from falling. The hydrogen heat exchanger device has the advantages of convenient catalyst filling and discharging, and can ensure the effect of catalyst filling.
Description
Technical Field
The utility model belongs to the technical field of heat exchange devices, and particularly relates to a hydrogen heat exchanger device.
Background
In order to avoid vaporization of the liquid hydrogen product caused by the heat of conversion released during conversion of normal hydrogen to para-hydrogen during storage of the liquid hydrogen, a suitable catalyst is employed during production to accelerate the rate of conversion of normal para-hydrogen. In the prior art, a plate-fin heat exchanger is often adopted for heat exchange, but the plate-fin heat exchanger has dense fins and small gaps, and the filling work of the catalyst is directly carried out in the plate-fin heat exchanger, and the final filling effect becomes the difficulty and the important point of the stage.
In order to ensure the filling effect of the normal-para-hydrogen conversion catalyst, in general, a hydrogen channel needs to be provided with a full seal head, and for equipment with high pressure and wide section, the full seal head is difficult to be provided. Moreover, if the end socket is provided, the filling work of the catalyst is not performed well, and meanwhile, the catalyst is filled in the end socket, so that a large amount of catalyst is wasted.
Disclosure of Invention
The utility model aims to solve the problem of waste of catalyst filling in a seal head in a full-seal head plate-fin heat exchanger in the prior art and provides a hydrogen heat exchanger device.
The specific technical scheme adopted by the utility model is as follows:
the utility model provides a hydrogen heat exchanger device, which comprises a cylinder body and a plate-fin heat exchanger component arranged in the cylinder body. The plate-fin heat exchanger assembly is composed of a first core and a second core which are arranged in series. The first core and the second core are internally filled with a catalyst for normal para-hydrogen conversion.
The top and the bottom of the plate-fin heat exchanger component are provided with open-type guide plates for hydrogen to enter and exit the holes, and the guide plates are covered with detachable silk screens for preventing the catalyst from falling. A first baffle is arranged in a gap between the top of the plate-fin heat exchanger assembly and the side wall of the cylinder body to divide the cylinder body into an upper area and a lower area.
The upper region of the cylinder body is internally provided with a second baffle, one end of the second baffle is connected with the inner wall of the cylinder body in a sealing way, the other end of the second baffle is connected with the connecting part between the first core body and the second core body in a sealing way, and the upper region of the cylinder body is divided into a hydrogen inlet region and a hydrogen outlet region by the second baffle.
A hydrogen inlet is formed in the cylinder above the hydrogen inlet area, so that a fully-opened hydrogen inlet channel is formed. And a hydrogen outlet is formed in the cylinder above the hydrogen outlet area, so that a fully-opened hydrogen outlet channel is formed. Manholes for filling the catalyst for normal para-hydrogen conversion are respectively arranged on the cylinder body above the hydrogen inlet area and the hydrogen outlet area. The cylinder body is also provided with a refrigerant inlet and a refrigerant outlet, the refrigerant inlet is connected with the second core body through a connecting pipe, and the refrigerant outlet is connected with the first core body through a connecting pipe to form a refrigerant channel.
Preferably, the second baffle is formed by splicing an aluminum plate and a stainless steel plate, wherein the aluminum plate is connected with the plate-fin heat exchanger assembly, the stainless steel plate is connected with the inner side of the cylinder, and the aluminum plate and the stainless steel plate are connected by bolts.
Preferably, the connection part of the first baffle and the plate-fin heat exchanger assembly is an aluminum plate, and the connection part of the first baffle and the inner wall of the cylinder is a stainless steel plate.
Preferably, the first baffle and the second baffle are provided with holes for relieving the pressure on both sides of the plate. The diameter of the holes is 3-5 mm.
Further, the diameters of the holes in the first baffle plate and the second baffle plate are 3mm.
Preferably, the hole is provided with a supporting frame, and the supporting frame comprises a frame and a plurality of supporting bars, wherein the frame is arranged around the periphery of the hole. The silk screen is fixed on the support frame through the fastener.
Further, the fastener adopts a bolt and a matched nut.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The hydrogen heat exchanger provided by the utility model adopts the plate-fin heat exchanger core bodies which are connected in series, so that the problem of insufficient heat exchange area of the hydrogen heat exchanger can be solved;
(2) According to the hydrogen heat exchanger provided by the utility model, manholes are formed in the cylinder body above the hydrogen inlet and outlet areas, so that the catalyst for normal para-hydrogen conversion can be filled in the cylinder body, and the operation is convenient;
(3) The hydrogen inlet channel and the hydrogen outlet channel are fully opened, so that the filling of the catalyst is convenient, and the compact and complete filling of the catalyst can be ensured; meanwhile, the silk screen is arranged to limit the flow of the catalyst in the plate-fin heat exchanger, so that the catalyst is prevented from falling off.
Drawings
FIG. 1 is a schematic view of a hydrogen heat exchanger according to an embodiment;
FIG. 2 is a screen mounting schematic diagram provided by an embodiment;
FIG. 3 is a schematic view showing the direction of coolant flow (a) and the direction of hydrogen flow (b) in the embodiment;
in the figure: barrel 1, plate-fin heat exchanger subassembly 2, first core 201, second core 202, silk screen 3, support frame 301, fastener 302, first baffle 4, second baffle 5, manhole 6, hydrogen import A, hydrogen export B, coolant import C, coolant export D.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. The technical features of the embodiments of the utility model can be combined correspondingly on the premise of no mutual conflict.
In the description of the present utility model, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected with intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In the description of the present utility model, it should be understood that the terms "first" and "second" are used solely for the purpose of distinguishing between the descriptions and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In a preferred embodiment of the present utility model, a hydrogen heat exchange device is provided. As shown in fig. 1, the heat exchange device comprises a cylinder 1 and a plate-fin heat exchanger assembly 2 arranged in the cylinder. Wherein the plate fin heat exchanger assembly 2 is comprised of a first core 201 and a second core 202 arranged in series. The mode of setting up the heat exchanger in series can solve the problem that heat transfer area is insufficient for the direct top from the barrel of hydrogen that the heat transfer was accomplished is discharged.
As shown in fig. 2, an open-type guide plate for hydrogen gas to enter and exit is arranged at the top of the plate-fin heat exchanger assembly 2, and a supporting frame 301 is arranged on the hole. The wire mesh 3 is covered on the supporting frame 301 and completely covers the hydrogen inlet at the top of the first core 201 and the hydrogen outlet at the top of the second core 202.
The bottom of the plate-fin heat exchanger component 2 is also provided with an open-type guide plate for hydrogen to enter and exit the holes, and the holes are provided with supporting frames 301. The wire mesh 3 is covered on the supporting frame 301, and completely covers the hydrogen outlet at the bottom of the first core 201 and the hydrogen inlet at the bottom of the second core 202.
The supporting frame 301 comprises a frame surrounding the hole and a plurality of supporting bars for supporting the silk screen 3. The wire mesh 3 is fixed to the support frame 301 by bolting.
The first core 201 and the second core 202 are internally filled with a catalyst for normal para-hydrogen conversion, and the arrangement of the silk screen 3 limits the flow of the catalyst in the plate-fin heat exchanger and prevents the catalyst from falling.
The gap between the top of the plate-fin heat exchanger component 2 and the side wall of the cylinder 1 is provided with a first baffle 4, and the cylinder 1 is divided into an upper region and a lower region. A second baffle 5 is arranged in the upper region of the cylinder 1, one end of the second baffle 5 is connected with the inner wall of the cylinder 1 in a sealing way, and the other end is connected with the joint between the first core 201 and the second core 202 in a sealing way. The second baffle 5 divides the upper region of the cartridge 1 into a hydrogen inlet region and a hydrogen outlet region.
The cylinder body 1 above the hydrogen inlet area is provided with the hydrogen inlet A, so that the hydrogen to be subjected to heat exchange can enter the cylinder body 1 through the hydrogen inlet A to form a fully-opened hydrogen inlet channel. The cylinder body 1 above the hydrogen outlet area is provided with a hydrogen outlet B, so that the hydrogen after heat exchange can be discharged through the hydrogen outlet B to form a fully-opened hydrogen outlet channel.
Manholes 6 for filling the catalyst for normal para-hydrogen conversion are respectively arranged on the cylinder body 1 above the hydrogen inlet area and the hydrogen outlet area. In this embodiment, a manhole 6 is also formed on the side wall of the cylinder 1, so that the normal para-hydrogen conversion catalyst can be conveniently filled and discharged.
The cylinder 1 is also provided with a refrigerant inlet C and a refrigerant outlet D, the refrigerant inlet C is connected with the second core 202 through a connecting pipe, and the refrigerant outlet D is connected with the first core 201 through a connecting pipe to form a refrigerant channel.
The second baffle 5 is formed by splicing an aluminum plate and a stainless steel plate, wherein the aluminum plate is connected with the plate-fin heat exchanger assembly 2, the stainless steel plate is connected with the inner side of the cylinder body 1, and the aluminum plate and the stainless steel plate are connected by bolts. The connecting part of the first baffle plate 4 and the plate-fin heat exchanger component 2 is an aluminum plate, and the connecting part of the first baffle plate 4 and the inner wall of the cylinder body 1 is a stainless steel plate.
It should be noted that, holes for relieving the pressure on both sides of the plate are formed in the first baffle 4 and the second baffle 5, and preferably, the diameters of the holes formed in the first baffle 4 and the second baffle 5 are 3mm, so that the first baffle 4 and the second baffle 5 do not bear pressure.
The manner in which the hydrogen heat exchanger is installed and used is further described and illustrated below.
Firstly, the installation of the plate-fin heat exchanger assembly is carried out in the cylinder body 1, after the pressure test is completed, the plate-fin heat exchanger assembly enters the inside of the cylinder body from the manhole 6, bolts on the second baffle plate 5 are loosened, after the installation of bolts on the silk screen at the bottom of the plate-fin heat exchanger assembly and the supporting frame is completed, bolts between the silk screen 3 at the top of the plate-fin heat exchanger assembly and the supporting frame are loosened, and the filling of the normal-para-hydrogen conversion catalyst is carried out.
After the filling work of the normal-para-hydrogen conversion catalyst is finished, the bolts between the top silk screen 3 and the supporting frame of the plate-fin heat exchanger component are screwed, and the bolts leave the manhole 6.
As shown in fig. 3, the hydrogen to be heat-exchanged enters the cylinder 1 from the hydrogen inlet a on the cylinder 1, passes through the wire mesh, enters the first core 201, and is discharged into the cylinder from the hydrogen outlet at the bottom of the first core. Because the gas flows from the place with high pressure to the place with low pressure, the hydrogen enters the second core 202 through the hydrogen inlet at the bottom of the second core 202 to exchange heat with the refrigerant. And finally, the hydrogen subjected to heat exchange is discharged out of the cylinder body 1 through the silk screen at the top of the second core 202 and the hydrogen outlet B in sequence. As can be seen from fig. 3, the hydrogen gas flows from top to bottom and then is discharged from bottom to top, the refrigerant enters the second core 202 from the refrigerant inlet C through the connecting pipe to be connected, then flows from the second core 202 to the first core 201, and finally is discharged from the refrigerant outlet D through the connecting pipe. The hydrogen gas completes the conversion of the normal temperature and the para-hydrogen in the process.
The above embodiment is only a preferred embodiment of the present utility model, but it is not intended to limit the present utility model. Various changes and modifications may be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present utility model. Therefore, all the technical schemes obtained by adopting the equivalent substitution or equivalent transformation are within the protection scope of the utility model.
Claims (7)
1. The hydrogen heat exchanger device is characterized by comprising a cylinder (1) and a plate-fin heat exchanger assembly (2) arranged in the cylinder; the plate-fin heat exchanger assembly (2) consists of a first core (201) and a second core (202) which are arranged in series; the first core (201) and the second core (202) are internally filled with a catalyst for normal para-hydrogen conversion;
the top and the bottom of the plate-fin heat exchanger component (2) are respectively provided with an open-type guide vane used for hydrogen to enter and exit holes, and the guide vanes are covered with a detachable silk screen (3) for preventing the catalyst from falling off; a first baffle (4) is arranged in a gap between the top of the plate-fin heat exchanger assembly (2) and the side wall of the cylinder body (1), so that the cylinder body (1) is divided into an upper area and a lower area;
a second baffle (5) is arranged in the upper region of the cylinder body (1), one end of the second baffle (5) is connected with the inner wall of the cylinder body (1) in a sealing way, the other end of the second baffle is connected with the joint between the first core body (201) and the second core body (202) in a sealing way, and the upper region of the cylinder body (1) is divided into a hydrogen inlet region and a hydrogen outlet region by the second baffle (5);
a hydrogen inlet (A) is formed in the cylinder (1) above the hydrogen inlet area, so that a fully-opened hydrogen inlet channel is formed; a hydrogen outlet (B) is formed in the cylinder (1) above the hydrogen outlet area, so that a fully-opened hydrogen outlet channel is formed; manholes (6) which are convenient for filling the catalyst for normal para-hydrogen conversion are respectively arranged on the cylinder (1) above the hydrogen inlet area and the hydrogen outlet area; the cylinder body (1) is also provided with a refrigerant inlet (C) and a refrigerant outlet (D), the refrigerant inlet (C) is connected with the second core body (202) through a connecting pipe, and the refrigerant outlet (D) is connected with the first core body (201) through the connecting pipe to form a refrigerant channel.
2. The hydrogen heat exchanger device according to claim 1, wherein the second baffle (5) is formed by splicing an aluminum plate and a stainless steel plate, wherein the aluminum plate is connected with the plate-fin heat exchanger assembly (2), the stainless steel plate is connected with the inner side of the cylinder (1), and the aluminum plate and the stainless steel plate are connected by bolts.
3. The hydrogen heat exchanger device according to claim 1, wherein the connection part of the first baffle plate (4) and the plate-fin heat exchanger assembly (2) is an aluminum plate, and the connection part of the first baffle plate (4) and the inner wall of the cylinder (1) is a stainless steel plate.
4. The hydrogen heat exchanger device according to claim 1, wherein the first baffle (4) and the second baffle (5) are provided with holes for relieving the pressure on both sides of the plates; the diameter of the hole is 3-5 mm.
5. A hydrogen heat exchanger device according to claim 1, characterized in that the holes in the first baffle plate (4) and the second baffle plate (5) have a diameter of 3mm.
6. The hydrogen heat exchanger device according to claim 1, wherein a supporting frame (301) is arranged on the hole, and the supporting frame (301) comprises a frame and a plurality of supporting bars, wherein the frame is arranged around the hole; the silk screen (3) is fixed on the support frame (301) through a fastener (302).
7. The hydrogen heat exchanger device according to claim 6, wherein the fastener (302) employs a bolt and a mating nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064223.1U CN220454354U (en) | 2023-08-02 | 2023-08-02 | Hydrogen heat exchanger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064223.1U CN220454354U (en) | 2023-08-02 | 2023-08-02 | Hydrogen heat exchanger device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220454354U true CN220454354U (en) | 2024-02-06 |
Family
ID=89734970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322064223.1U Active CN220454354U (en) | 2023-08-02 | 2023-08-02 | Hydrogen heat exchanger device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220454354U (en) |
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2023
- 2023-08-02 CN CN202322064223.1U patent/CN220454354U/en active Active
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| GR01 | Patent grant |