Liquid phase pipeline channel of horizontal cryogenic container

By leading the liquid phase pipeline out from the inner cylinder and through the lower channel of the outer cylinder in a horizontal cryogenic container, the problems of liquid waste and insulation performance are solved, resulting in cost reduction and improved insulation performance.

CN223882164UActive Publication Date: 2026-02-06CHART CRYOGENIC ENG SYST CHANGZHOU
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Patent Information

Application Number
CN202422810623.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2026-02-06
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The existing horizontal large-capacity cryogenic liquid storage tanks have liquid phase pipelines that are led out from the inner head, resulting in liquid waste. In addition, increasing the outer cylinder diameter increases material and cost, and it is difficult to place large-diameter liquid phase pipelines between the inner and outer cylinders while ensuring thermal insulation performance.

Method used

The liquid phase pipeline is led out from the inner cylinder, and a channel is set at the bottom of the outer cylinder so that the pipeline can be led out from the outer cylinder head through the channel. The amount of material added is limited, the size of the outer cylinder increases only slightly, the design is simple and beautiful, and the inner cylinder has an additional layer of pipe to insulate against heat radiation.

Benefits of technology

This allows for the complete utilization of the liquid inside the storage tank, reduces manufacturing costs and production difficulty, improves insulation performance, and ensures the insulation performance of the storage tank and the flexibility of the liquid phase pipeline.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a horizontal cryogenic container liquid phase pipeline channel, which comprises an inner container and an outer container, a heat insulation space is arranged between the inner container and the outer container, the inner container comprises an inner cylinder and an inner seal head, and the outer container comprises an outer cylinder and an outer seal head. The low-temperature heat exchanger further comprises at least one liquid-phase pipeline capable of leading out low-temperature liquid from the inner container, the leading-out end of the liquid-phase pipeline is arranged on the inner cylinder body, a channel capable of containing the liquid-phase pipeline is arranged on the lower portion of the outer cylinder body, and the liquid-phase pipeline is led out from the inner cylinder body, passes through the channel and then is led out through the outer sealing head. By means of the mode, the horizontal type cryogenic container liquid phase pipeline channel can meet the laying requirements of a plurality of large-diameter liquid phase inlet and outlet pipelines with different purposes, consumables of the outer barrel can be reduced, cryogenic liquid can be fully discharged, and heat insulation of a storage tank is facilitated due to the fact that the heat insulation layer of the pipeline channel is locally thickened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to low temperature liquid storage tank technical field, especially relate to a horizontal cryogenic vessel liquid phase pipeline passageway. BACKGROUND

[0002] In recent years, the market demand for horizontal large-capacity low-temperature liquid storage tank is more and more, the large-capacity horizontal storage tank liquid phase pipeline diameter increases, and its type also increases, which leads to the structure of the previous liquid phase connection pipe from the inner head is not very reasonable, if the pipe seat continues to be led out from the inner head, it will lead to about 10% of the liquid in the storage tank cannot be used up, for a 1000 cubic horizontal storage tank, this result is unacceptable (see attached Figure 1 ). That is, the conventional liquid phase pipeline is arranged on the head, which will cause a lot of liquid to be not used up, resulting in waste.

[0003] Therefore, we developed a new structure, which leads the liquid phase pipeline from the inner cylinder, which can facilitate the design and arrangement of several liquid phase pipelines and make the liquid in the storage tank completely used up (see attached Figure 2 ). But this also produces a new problem, because the distance between the inner and outer cylinders of the low-temperature tank is generally 300mm, this space cannot accommodate large-diameter liquid phase pipelines, the simplest method is to increase the diameter of the outer cylinder, so that the space between the inner and outer cylinders becomes larger, for large horizontal tanks, because the outer cylinder is very long, this will greatly increase the use of materials, increase the workshop manufacturing workload and production difficulty, and also increase the transportation size, greatly increasing the cost, which cannot meet the economic requirements.

[0004] Therefore, how to accommodate several large-diameter liquid phase pipelines between the inner and outer cylinders without greatly increasing the cost, while also ensuring that the liquid phase pipeline does not leak cold is a problem that needs to be solved for the current horizontal large-capacity low-temperature liquid storage tank. INVENTION CONTENTS

[0005] The utility model mainly solves the technical problem to provide a horizontal cryogenic vessel liquid phase pipeline passageway, which can solve the problem of the background technology, make the liquid phase pipeline arrangement more simple and beautiful, ensure that the liquid in the storage tank is completely used up, so that the storage volume is not wasted; the increased material cost is very limited, and the transportation height increase is also very small, compared with the conventional structure, the manufacturing cost is greatly reduced, and the production difficulty is reduced; at the same time, the inner cylinder is equivalent to adding a layer of pipeline, which can better insulate heat radiation, reduce the static evaporation rate of the storage tank, and make the heat insulation performance of the storage tank better.

[0006] To solve the above technical problems, one technical scheme of the utility model is: provide a horizontal cryogenic container liquid phase pipeline channel, include: content container and outer container, the content container and outer container have the heat insulation space between, the content container includes inner cylinder and inner head, the outer container includes outer cylinder and outer head,

[0007] Still include the channel that can hold many liquid phase pipelines, the channel is arranged at the lower part of outer cylinder and is arranged protruding from outer cylinder,

[0008] The liquid phase pipeline has the introduction end and the leading-out end of relative arrangement, the introduction end of liquid phase pipeline is installed on inner cylinder, then liquid phase pipeline passes through the channel and is led out by outer cylinder head, the leading-out end of liquid phase pipeline is connected external pump.

[0009] In a preferred embodiment of the utility model, the outer cylinder wall has an opening matched with the channel, the channel is fixedly connected to the outer cylinder, and the channel is arranged in a circular arc shape outwardly.

[0010] In a preferred embodiment of the utility model, the channel is communicated with the heat insulation space between the content container and the outer container.

[0011] In a preferred embodiment of the utility model, the liquid phase pipeline includes a straight pipeline and a liquid seal pipeline connected to the liquid phase pipeline, and the accommodating space of the channel is matched with the arrangement space of the straight pipeline and the liquid seal pipeline.

[0012] In a preferred embodiment of the utility model, the inner cylinder wall has a flow-through opening matched with the liquid phase pipeline, the leading-out end of the liquid phase pipeline is connected to the flow-through opening, and the number of the flow-through openings is matched with the number of the liquid phase pipelines.

[0013] In a preferred embodiment of the utility model, a pump-out liquid pipeline is further included, and the pump-out liquid pipeline is connected to the leading-out end of the liquid phase pipeline.

[0014] The utility model has the advantages of:

[0015] The liquid phase pipeline is led out from the inner cylinder, so that the low-temperature liquid in the low-temperature storage tank can be completely used, and the storage volume is not wasted;

[0016] The new channel is additionally arranged at the lower part of the outer cylinder, so that the material of the outer cylinder is slightly increased, and the transportation size is only increased by tens of millimeters, so that the cost is slightly increased;

[0017] Meanwhile, the liquid phase pipelines are all led out from the new channel, the length of the liquid phase pipelines is increased, the pipeline flexibility is better, and the pipeline design is simpler and more beautiful;

[0018] At the same time, the inner cylinder is equivalent to adding a layer of pipeline, so that the heat radiation can be better isolated, the static evaporation rate of the storage tank is reduced, and the heat insulation performance of the storage tank is better.

[0019] Increase the hydraulic head before the pump, facilitate the start of the pump, also increase the manufacturing cost less, make the liquid phase pipeline design more reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings, wherein:

[0021] Figure 1 is a structure diagram of the pipe port of the prior art horizontal cryogenic container drawn from the head;

[0022] Figure 2 is a structure diagram of the pipe port of the prior art horizontal cryogenic container drawn from the cylinder;

[0023] Figure 3 is a pipeline layout flowchart of the liquid phase pipeline passage of the horizontal cryogenic container of the present application;

[0024] Figure 4 is a front view of a preferred embodiment of the liquid phase pipeline passage of the horizontal cryogenic container of the present application;

[0025] Figure 5 is a side view of a preferred embodiment of the liquid phase pipeline passage of the horizontal cryogenic container of the present application;

[0026] Figure 6 is a structure diagram of a preferred embodiment of the horizontal cryogenic container liquid phase pipeline passage of the present application which increases the hydraulic head;

[0027] The marks of the components in the drawings are as follows:

[0028] 1, inner container, 1-1, inner cylinder, 1-2, inner head, 2, outer container, 2-1, outer cylinder, 2-2, outer head, 3, heat insulation space, 4, liquid phase pipeline, 4-1, inlet end, 4-2, outlet end, 4-3, straight pipeline, 4-4, liquid seal pipeline, 5, flow-through port, 6, passage, 7, opening. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0031] The utility model relates to a preferable embodiment of a horizontal cryogenic container liquid phase pipeline channel.

[0032] Please refer to Figures 3 to 6 The horizontal cryogenic container liquid phase pipeline channel comprises an inner container 1 and an outer container 2, the inner container 1 and the outer container 2 have an adiabatic space 3, the inner container 1 comprises an inner cylinder body 1-1 and an inner head 1-2, and the outer container 2 comprises an outer cylinder body 2-1 and an outer head 2-2.

[0033] In an exemplary embodiment, the channel 6 capable of accommodating a plurality of large-diameter cryogenic liquid phase pipelines 4 with different purposes and parameter requirements is further included, and the channel 6 is communicated with the adiabatic space 3 between the inner container 2 and the outer container 1.

[0034] The channel 6 is arranged at the lower part of the outer cylinder body 2-1 and protrudes from the outer cylinder body 2-1. Further, the wall part of the outer cylinder body 2-1 has an opening 7 matched with the channel 6, the channel 6 is fixedly connected to the outer cylinder body 2-1, and the channel 6 is arranged in a circular arc shape outwardly protruding.

[0035] Preferably, the channel 6 can be fixedly connected to the outer cylinder body 2-1 in a welding manner.

[0036] The liquid phase pipeline 4 has oppositely arranged introduction ends 4-1 and outlet ends 4-2, in the utility model, the introduction end 4-1 of the liquid phase pipeline 4 is mounted on the inner cylinder body 1-1, then the liquid phase pipeline 4 is led out by the head of the outer cylinder body 2-1 after passing through the channel 6, and the outlet end 4-2 of the liquid phase pipeline 4 is connected to an external pump.

[0037] The liquid phase pipeline 4 arranged on the inner cylinder body 1-1 can lengthen the length of the liquid phase pipeline 4, make the pipeline more flexible, make the design more reasonable, and further ensure that the low-temperature liquid in the low-temperature storage tank is completely used, so that the storage volume is not wasted.

[0038] Further, the inner cylinder 1-1 wall portion has a flow port 5 matched with a liquid phase pipeline 4, and the leading end of the liquid phase pipeline 4 is connected to the flow port 5.

[0039] Further, the inner cylinder 1-1 wall portion has a flow port 5 matched with a liquid phase pipeline 4, and the leading end of the liquid phase pipeline 4 is connected to the flow port 5.

[0040] In the utility model, the liquid phase pipeline 4 includes straight pipeline 4-3 and liquid seal pipeline 4-4 connected with the straight pipeline 4-3, and the containing space of the channel 6 is matched with the layout space of the straight pipeline 4-3 and the liquid seal pipeline 4-4.

[0041] The novel channel 6 is arranged on the outer cylinder 2-1, and the liquid phase pipeline 4 is led out from the channel 6, so that the spacing between the liquid phase pipeline 4 and the outer cylinder 2-1 is large enough, and the heat insulation performance of the storage tank is not affected.

[0042] In addition, the liquid phase pipeline 4 is arranged on the inner cylinder 1-1, so that the length of the liquid phase pipeline 4 is prolonged, the pipeline flexibility is better, and the design is more reasonable.

[0043] The liquid phase pipeline 4 in the channel 6 is equivalent to an additional barrier to insulate external heat, so that less heat is transmitted into the inner container, and the heat insulation performance of the storage tank is improved.

[0044] Moreover, the channel 6 has a simple design structure, and the added material is little, and the geometric size is only increased by tens of millimeters in the height direction, the local thickening of the pipeline channel heat insulation layer is beneficial to the heat insulation of the storage tank, and the labor cost is also increased little, so that the economy is also guaranteed.

[0045] Further, the horizontal deep cooling container liquid phase pipeline channel further includes a pump outlet pipeline connected with the leading end 4-2 of the liquid phase pipeline 4, and the pipeline design of the utility model is beneficial to increasing the pump front pressure of the liquid phase pipeline.

[0046] This is because the large storage tank generally uses a pump to realize the rapid use of liquid, and the liquid phase pipeline 4 arranged on the cylinder and the increased pump front liquid head are beneficial to the start of the pump.

[0047] The utility model discloses a liquid phase pipeline 4 all are changed into from the inner cylinder body 1-1 lead, and set up the passageway 6 of cooperation with liquid phase pipeline 4 on outer cylinder body 2-1 simultaneously. In this way, liquid phase pipeline 4 is led out by inner cylinder body 1-1 after passing through passageway 6, then passes through outer end cover 2-2 and leads out, and the structure guarantees that the liquid in low temperature storage tank can be completely used, and the cost will not rise greatly, and also guarantees the heat insulation performance of low temperature storage tank.

[0048] The utility model discloses horizontal cryogenic container liquid phase pipeline passageway's beneficial effect is:

[0049] Cryogenic container liquid phase pipeline passageway can satisfy the laying demand of multiple large-diameter different purpose liquid phase inlet and outlet pipeline, can reduce outer cylinder body material consumption, and can also fully exhaust cryogenic liquid;

[0050] Set up liquid phase pipeline on the inner cylinder body can guarantee that liquid is completely used, so that the storage volume is not wasted any more;

[0051] The novel passageway makes the material cost of increase very limited, and the transportation height increase is also very little, compared with conventional structure, greatly reduce the manufacturing cost, and reduce the difficulty of production;

[0052] Liquid phase pipeline is arranged in passageway in concentration, makes liquid phase pipeline longer, and better, and the arrangement is also more beautiful, and the inner cylinder body is equivalent to having a layer of pipeline, so that can better insulate heat radiation, reduce the static evaporation rate of storage tank, and make the heat insulation performance of storage tank better.

[0053] The above only is the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent process conversion of using the utility model specification content, or direct or indirect application in other related technical fields, all are included in the patent protection range of the utility model, similarly.

Claims

1. A horizontal cryogenic vessel liquid phase line passage, comprising: Contenter and outer container, the contenter and the outer container have a heat insulation space between them, the contenter comprises an inner cylinder and an inner head, the outer container comprises an outer cylinder and an outer head, characterized in that, Further comprising a channel capable of accommodating a plurality of liquid phase pipelines, the channel is arranged at the lower part of the outer cylinder and protrudes from the outer cylinder, The liquid phase pipeline has oppositely arranged inlet end and outlet end, the inlet end of the liquid phase pipeline is installed on the inner cylinder, then the liquid phase pipeline passes through the channel and is led out by the outer cylinder head, and the outlet end of the liquid phase pipeline is connected with the external pump.

2. The horizontal cryogenic vessel liquid line passage of claim 1, wherein, The wall part of the outer cylinder has an opening matched with the channel, the channel is fixedly connected on the outer cylinder, and the channel is arranged in a circular arc shape outwardly protruding.

3. The horizontal cryogenic vessel liquid line passage of claim 1 wherein, The channel is communicated with the heat insulation space between the contenter and the outer container.

4. The horizontal cryogenic vessel liquid line passage of claim 1 wherein, The liquid phase pipeline comprises a straight pipeline and a liquid seal pipeline connected with the straight pipeline, and the accommodating space of the channel is matched with the arrangement space of the straight pipeline and the liquid seal pipeline.

5. The horizontal cryogenic vessel liquid line passage of claim 1 wherein, The wall part of the inner cylinder has a flow-through opening matched with the liquid phase pipeline, the outlet end of the liquid phase pipeline is connected with the flow-through opening, and the number of the flow-through openings is matched with the number of the liquid phase pipelines.

6. The horizontal cryogenic vessel liquid line passage of claim 1 wherein, Further comprising a pump-out liquid pipeline connected with the outlet end of the liquid phase pipeline.