Suspender type supporting structure of cryogenic pressure vessel

Abstract

The utility model relates to a suspender type supporting structure of a cryogenic pressure container, and belongs to the technical field of cryogenic pressure containers. The suspender type supporting structure comprises a plurality of suspender type supporting units evenly distributed in the axial direction, any suspender type supporting unit comprises two symmetrically-arranged extending pipes, extending holes are symmetrically formed in the upper portion of the outer barrel, and one ends of the extending pipes are in butt joint with the extending holes so that the extending pipes can be fixed to the outer wall of the outer barrel. Extending pipes are symmetrically arranged on the outer wall of the inner barrel, upper reinforcing rib plates are arranged in the extending pipes respectively, lower reinforcing rib plates are symmetrically arranged on the lower portion of the outer wall of the inner barrel, connecting holes are formed in the upper reinforcing rib plates and the lower reinforcing rib plates respectively, inclined threaded rods are arranged between the connecting holes in the same side, and one ends of the threaded rods extend out of the outer barrel and are arranged in the extending pipes. And heat insulation bushes are respectively sleeved in the connecting holes. Installation is convenient, and the installation efficiency is improved; a heat conduction path is blocked, heat leakage is reduced, and the coaxiality of the inner container and the outer container is improved.

Description

Technical Field

[0001] This utility model relates to a rod-type support structure for cryogenic pressure vessels, belonging to the field of cryogenic pressure vessel technology. Background Technology

[0002] Cryogenic pressure vessels are mainly used to store cryogenic liquefied gases. Existing cryogenic pressure vessels typically employ a double-layer design, and the support structure within the vacuum jacket has the following problems:

[0003] 1. High heat leakage: The heat conduction path of traditional support structures is relatively short, which leads to increased heat transfer, affects the insulation performance of the container, and causes energy waste.

[0004] 2. Complex installation: The installation of the support structure must be carried out inside the vacuum interlayer, where the operating space is small, the use of tools is limited, the installation efficiency is low and the manpower is consumed.

[0005] 3. Difficulty in controlling coaxiality: The relative positions of the inner and outer containers are difficult to adjust precisely, affecting the stability and accuracy of equipment operation. Summary of the Invention

[0006] The technical problem to be solved by this utility model is to provide a rod-type support structure for cryogenic pressure vessels, which is convenient to install and improves installation efficiency; it blocks the heat conduction path, reduces heat leakage, and improves the coaxiality of the inner and outer containers.

[0007] The technical solution adopted by this utility model to solve the above problems is as follows: a rod-type support structure for a cryogenic pressure vessel, the cryogenic pressure vessel including an inner cylinder and an outer cylinder, the inner cylinder being disposed inside the outer cylinder, the inner cylinder being fixed to the outer cylinder by a rod-type support structure, the rod-type support structure including multiple sets of rod-type support units evenly distributed along the axial direction, each of the rod-type support units including two symmetrically arranged extension tubes, the upper part of the outer cylinder having symmetrically opened extension holes, one end of each extension tube being connected to the extension holes, so that the extension tube is fixed to the outer wall of the outer cylinder; upper reinforcing ribs are respectively provided inside the extension tubes, lower reinforcing ribs are symmetrically provided below the outer wall of the inner cylinder, connecting holes are respectively provided on the upper and lower reinforcing ribs, and inclined threaded rods are provided between the connecting holes on the same side, so that one end of the threaded rod extends beyond the outer cylinder and is disposed inside the extension tube.

[0008] The other end of the extension tube is covered with a cap.

[0009] Each of the connecting holes is fitted with a heat-insulating bushing, and each end of the threaded rod is inserted into a corresponding heat-insulating bushing.

[0010] The heat insulation bushing is made of epoxy fiberglass material.

[0011] Compared with the prior art, the advantages of this utility model are as follows: a rod-type support structure for a cryogenic pressure vessel, with an extension tube symmetrically arranged on the outer cylinder for easy installation, allowing the threaded rod to extend out of the outer cylinder for convenient installation and improved installation efficiency; it also increases the actual working length of the threaded rod, blocking the heat conduction path and reducing heat leakage; and the coaxiality of the inner and outer cylinders is improved by fixing the double-ended threaded rod with double nuts. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the installation of a hanger-type support structure for a cryogenic pressure vessel according to an embodiment of the present invention;

[0013] In the figure, 1 is a double nut, 2 is a heat insulation bushing, 3 is a support plate, 4 is a double-threaded rod, 5 is an upper reinforcing rib plate, 6 is a pipe cap, 7 is an extension pipe, 8 is an outer cylinder, 9 is an inner cylinder, and 10 is a lower reinforcing rib plate. Detailed Implementation

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0015] like Figure 1 As shown in this embodiment, a rod-type support structure for a cryogenic pressure vessel is provided. The cryogenic pressure vessel includes an inner cylinder 9 and an outer cylinder 8. The inner cylinder 9 is located inside the outer cylinder 8 and is fixed to the outer cylinder by the rod-type support structure. The rod-type support structure includes multiple sets of rod-type support units evenly distributed along the axial direction. Each rod-type support unit includes two symmetrically arranged extension tubes 7. Extension holes are symmetrically opened on the upper part of the outer cylinder 7, and one end of the extension tube 7 is connected to the extension hole, so that the extension tube 7 is fixed to the outer wall of the outer cylinder 8. Upper reinforcing ribs 5 are respectively provided inside the extension tubes 7, and lower reinforcing ribs 10 are symmetrically arranged on the lower part of the outer wall of the inner cylinder 9. Connection holes are respectively opened on the upper reinforcing ribs 5 and the lower reinforcing ribs 10. An inclined double-threaded rod 4 is inserted between the two connection holes on the same side, so that one end of the double-threaded rod 4 extends beyond the outer cylinder and is located inside the extension tube. The two ends of the double-threaded rod are fixed to the upper and lower reinforcing ribs respectively by double nuts 1, thus fixing the inner cylinder to the outer cylinder. An extension tube extends outward from the outer cylinder, which on the one hand increases the actual working length of the double-threaded rod, effectively blocking the heat conduction path and reducing heat leakage; on the other hand, it transfers the installation operation from inside the vacuum jacket to outside the container, facilitating installation and improving work efficiency.

[0016] T-shaped heat insulation bushings 2 are respectively fitted into the connecting holes. The two ends of the double-threaded rod are respectively inserted into the corresponding heat insulation bushings 2. The double nuts after tightening are pressed against the bushings, which further reduces heat leakage.

[0017] The aforementioned heat insulation bushing is made of epoxy fiberglass.

[0018] The other end of the extension pipe is covered with a pipe cap 6 to achieve a seal on the outer cylinder.

[0019] The outer wall of the inner cylinder is equipped with lower reinforcing ribs, which improves the stability of the overall structure and the load-bearing capacity of the inner cylinder.

[0020] The double-ended threaded rod employs a double-nut fixing method. This design not only provides the ability to precisely adjust the effective length of the threaded rod, easily ensuring the coaxiality of the inner and outer cylinders through precise adjustment, greatly improving the overall assembly accuracy of the equipment, but also effectively prevents thread loosening. During equipment operation, factors such as vibration inevitably affect the stability of the threaded connection. The friction and locking effect generated by the interaction of the double nuts act like double insurance for the connection, ensuring that the threaded rod remains firmly connected, maintaining the reliability of the support structure, and guaranteeing the stable operation of the cryogenic pressure vessel.

[0021] This application is easy to install and improves installation efficiency; by increasing the actual working length of the threaded rod, the heat conduction path is blocked, reducing heat leakage; and the double-ended threaded rod is fixed by double nuts, improving the coaxiality of the inner and outer cylinders.

[0022] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. A rod-type support structure for a cryogenic pressure vessel, the cryogenic pressure vessel comprising an inner cylinder and an outer cylinder, the inner cylinder being disposed within the outer cylinder, the inner cylinder being fixed to the outer cylinder by a rod-type support structure, characterized in that: The suspension rod support structure includes multiple sets of suspension rod support units evenly distributed along the axial direction. Each suspension rod support unit includes two symmetrically arranged extension tubes. The upper part of the outer cylinder has symmetrically opened extension holes. One end of each extension tube is connected to the extension hole, so that the extension tube is fixed to the outer wall of the outer cylinder. Upper reinforcing ribs are respectively provided inside the extension tubes. Lower reinforcing ribs are symmetrically provided below the outer wall of the inner cylinder. Connection holes are respectively provided on the upper and lower reinforcing ribs. An inclined threaded rod is provided between the connection holes on the same side, so that one end of the threaded rod extends beyond the outer cylinder and is located inside the extension tube.

2. The rod-type support structure for a cryogenic pressure vessel according to claim 1, characterized in that: The other end of the extension tube is covered with a cap.

3. The rod-type support structure for a cryogenic pressure vessel according to claim 1, characterized in that: Each of the connecting holes is fitted with a heat-insulating bushing, and each end of the threaded rod is inserted into a corresponding heat-insulating bushing.

4. The rod-type support structure for a cryogenic pressure vessel according to claim 3, characterized in that: The heat insulation bushing is made of epoxy fiberglass material.

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