Cargo hold pipe tunnel structure of methanol filling transport ship

By setting up a pipe tunnel structure between the inner and outer bottom plates of the methanol bunkering transport vessel, the pipelines are centrally arranged in the pipe tunnel channel, which solves the problems of pipelines occupying cargo space and inconvenience in maintenance, and realizes efficient use of cargo hold space and convenient maintenance.

CN223751067UActive Publication Date: 2026-01-02GUANGDONG PORT & CHANNEL GRP SCI & TECH RES CO LTD
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Patent Information

Application Number
CN202520156805.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-02
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The existing methanol bunkering transport vessels have their pipelines located inside the cargo hold, which takes up space, reduces the utilization rate of the cargo hold, and makes maintenance inconvenient.

Method used

A pipe tunnel structure is set between the inner and outer bottom plates, and the pipes are arranged in the pipe tunnel channel. The height and strength of the channel are improved by inclined side plates and reinforcing members, forming a trapezoidal structure for easy maintenance.

Benefits of technology

It improved the utilization rate of the cargo hold, simplified the pipeline maintenance process, reduced the maintenance difficulty, and improved loading and unloading efficiency and pipeline safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The cargo hold pipe tunnel structure comprises an inner bottom plate and an outer bottom plate which are arranged at intervals in the height direction, a pipe tunnel opening is formed in the inner bottom plate, a left lower side plate and a left upper side plate are arranged on the left side of the pipe tunnel opening, and a right upper side plate and a right lower side plate are arranged on the right side of the pipe tunnel opening. The upper top plate, the upper left side plate, the lower left side plate, the outer bottom plate, the lower right side plate and the upper right side plate jointly define a pipe tunnel channel, a pipe tunnel partition plate is fixedly installed in the pipe tunnel channel, and a load reducing hole is formed in the middle of the pipe tunnel partition plate. Reinforcing pieces are arranged between the upper left side plate and the lower left side plate and between the upper right side plate and the lower right side plate. Compared with the prior art, the pipe tunnel structure is simple in form and convenient to construct, the pipelines and the valves of the pipelines can be intensively arranged in the pipe tunnel channel, the proportion of the pipelines to the cargo hold volume is reduced, sailors can conveniently use and overhaul the pipe tunnel structure, the loading and unloading efficiency and the pipeline safety are improved, and the problem that maintenance is inconvenient in the prior art is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ship cargo hold technical field especially relates to a methanol filling transport ship cargo hold pipe tunnel structure. BACKGROUND

[0002] The existing methanol filling transport ship is generally double bottom structure, the structure includes the inner bottom plate and outer bottom plate of interval arrangement, and there is a certain space between the inner bottom plate and outer bottom plate.

[0003] At present, the pipeline of methanol filling transport ship is numerous, is generally arranged in the inside of ship cargo hold, and the pipeline and valve will occupy certain cargo hold capacity, reduce the loading capacity of cargo hold, make the utilization rate of cargo hold reduce, and the pipeline is arranged in left and right cargo hold, is not favorable to the detection maintenance of pipeline, and there is the inconvenient problem of pipeline maintenance. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve technical problem in, provide a methanol filling transport ship cargo hold pipe tunnel structure, through setting up pipe tunnel structure between the inner bottom plate and outer bottom plate, the pipeline is arranged in the pipe tunnel structure, can solve the inconvenient problem of previous pipeline maintenance.

[0005] To solve above-mentioned technical problem, the utility model discloses a methanol filling transport ship cargo hold pipe tunnel structure, including the inner bottom plate and outer bottom plate of interval arrangement in the height direction, and the inner bottom plate is set with pipe tunnel opening, and the left side of pipe tunnel opening is equipped with the left lower side plate of solid connection with the outer bottom plate, and the right side of pipe tunnel opening is equipped with the right lower side plate of solid connection with the outer bottom plate, and the top of pipe tunnel opening is equipped with the upper top plate, and the left side of upper top plate is equipped with the left upper side plate of solid connection with the left side of pipe tunnel opening, and the right side of upper top plate is equipped with the right upper side plate of solid connection with the right side of pipe tunnel opening, to make upper top plate, left upper side plate, left lower side plate, outer bottom plate, right lower side plate and right upper side plate jointly enclose pipe tunnel passage, and pipe tunnel passage is fixedly installed with pipe tunnel baffle, and the middle part of pipe tunnel baffle is set with load reduction hole, and the left upper side plate and left lower side plate and right upper side plate and right lower side plate are all equipped with reinforcing piece, and one side of reinforcing piece is solidly connected with pipe tunnel opening, and the other side is solidly connected with pipe tunnel baffle.

[0006] Among them, still including the groove type bulkhead and the upper deck, and the bottom end part of the groove type bulkhead is solidly connected with the top surface of the upper top plate, and the top end part of the groove type bulkhead is solidly connected with the upper deck through T-shaped steel material.

[0007] Among them, the width of the upper top plate is equal to the groove depth of the groove type bulkhead.

[0008] Among them, the left lower side plate and the right lower side plate are vertically arranged relative to the outer bottom plate, and the left upper side plate and the right upper side plate are inclinedly arranged relative to the inner bottom plate.

[0009] Among them, the left upper side plate and the left lower side plate are integrally formed, and the right upper side plate and the right lower side plate are integrally formed

[0010] The upper left side plate and the upper right side plate are both inclined towards the inner side of the pipe tunnel passage, so that the upper part of the pipe tunnel passage is arranged in a trapezoidal shape.

[0011] The lower part of the upper top plate is provided with an extension inclined plate part, and the extension inclined plate part is aligned with the inclined surface part of the slot-shaped bulkhead in the height direction.

[0012] The thickness of the extension inclined plate part is equal to the thickness of the slot-shaped bulkhead.

[0013] The reinforcement is a T-shaped profile, the web thickness of the reinforcement is greater than or equal to the plate thickness of the lower left side plate or the lower right side plate, and the face plate thickness of the reinforcement is greater than or equal to the web thickness of the reinforcement.

[0014] The outer side surface of the lower left side plate and the outer side surface of the lower right side plate are fixedly connected with a reinforcing rib, and the top surface of the outer bottom plate is fixedly connected with a ship bottom longitudinal.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] (1) By arranging the pipe tunnel passage, the pipeline and its valve parts can be arranged inside the pipe tunnel passage, replacing the previous arrangement of the pipeline inside the cargo hold, and solving the previous problem of inconvenient maintenance.

[0017] (2) By arranging the upper left side plate and the upper right side plate, the height of the pipe tunnel passage is increased, and the maintenance personnel can walk upright inside the pipe tunnel passage without having to bend over, thereby reducing the difficulty of maintenance.

[0018] (3) The overall structure is simple and compact, and the construction is convenient and fast, and by arranging the reinforcement, the phenomenon of stress concentration can be prevented, and the structural strength of the pipe tunnel passage is improved.

[0019] (4) In other embodiments, the upper left side plate and the upper right side plate are arranged to be inclined, so that the upper part of the pipe tunnel passage is arranged in a trapezoidal structure, the utilization rate of the cargo hold is improved, in addition, the pipe tunnel passage can be accessed from the pump room of the ship, without going through the cargo hold, which is convenient for the crew to maintain the pipeline, improves the efficiency of loading and unloading and the safety of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 is a transverse sectional view of the pipe tunnel structure in the present application;

[0022] Figure 2 Figure 2 is a lateral schematic view of the pipe tunnel structure in the utility model. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The terms "first", "second", and the like in the description and claims of the utility model and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, device, product or server including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product or server.

[0025] In this document, the reference to "embodiments" means that the specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of the utility model. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it mutually exclusive or alternative to other embodiments. The person skilled in the art explicitly and implicitly understands that the embodiments described herein can be combined with other embodiments.

[0026] The utility model discloses a kind of methanol filling transport ship cargo hold pipe tunnel structure specific implementation, please see Figure 1 And Figure 2 Pipe tunnel structure includes inner bottom plate 11 and outer bottom plate 12 spaced apart in height direction, inner bottom plate 11 is provided with pipe tunnel opening, the left side of pipe tunnel opening is provided with the left lower side plate 21 fixedly connected with outer bottom plate 12, the right side of pipe tunnel opening is provided with the right lower side plate 22 fixedly connected with outer bottom plate 12. Optionally, left lower side plate 21 and right lower side plate 22 are vertically arranged relative to outer bottom plate 12, left lower side plate 21 and outer bottom plate 12 and right lower side plate 22 and outer bottom plate 12 are fixed between by welding, left lower side plate 21 and inner bottom plate 11 and right lower side plate 22 and inner bottom plate 11 are fixed between by welding, which can ensure the airtightness of pipe tunnel passage.

[0027] As an improvement, the upper top plate 3 is arranged above the pipe tunnel opening, the left upper side plate 23 is fixedly connected to the left side of the pipe tunnel opening, and the right upper side plate 24 is fixedly connected to the right side of the pipe tunnel opening, so that the upper top plate 3, the left upper side plate 23, the left lower side plate 21, the outer bottom plate 12, the right lower side plate 22 and the right upper side plate 24 jointly form the pipe tunnel passage. It should be pointed out that the left upper side plate 23 and the upper top plate 3 are fixed by welding, and the right upper side plate 24 and the upper top plate 3 are also fixed by welding. Similarly, the left upper side plate 23 and the inner bottom plate 11 are fixed by welding, and the right upper side plate 24 and the inner bottom plate are also fixed by welding.

[0028] In this embodiment, the left upper side plate 23 and the right upper side plate 24 are inclined towards the inside of the pipe tunnel passage, so that the upper part of the pipe tunnel passage is arranged in a trapezoidal shape. The trapezoidal structure can reduce the volume of the pipe tunnel passage occupying the cargo hold and improve the utilization rate of the cargo hold. In addition, by arranging the left upper side plate 23 and the right upper side plate 24, the height of the pipe tunnel passage is increased, and the maintenance personnel can walk upright in the pipe tunnel passage without having to bend over to enter, thereby reducing the difficulty of maintenance. Optionally, the left upper side plate 23 and the left lower side plate 21 can be an integral structure, and the right upper side plate 24 and the right lower side plate 22 can be an integral structure. It can be understood that the left side plate or the right side plate is provided with a vertical portion perpendicular to the outer bottom plate 12 and an inclined portion inclined relative to the inner bottom plate 11, which can further improve the structural strength of the pipe tunnel passage and further reduce the construction difficulty.

[0029] In this embodiment, the pipe tunnel passage is fixedly installed with a pipe tunnel partition plate 4, and a load reduction hole is arranged in the middle part of the pipe tunnel partition plate 4. The load reduction hole can serve as the entrance of the pipe tunnel passage, and can also play a role in preventing stress concentration.

[0030] In order to further prevent stress concentration, the left upper side plate 23 and the left lower side plate 21 are provided with a reinforcing member 5, and the right upper side plate 24 and the right lower side plate 22 are also provided with a reinforcing member 5. One side of the reinforcing member 5 is fixedly connected to the pipe tunnel opening, and the other side is fixedly connected to the pipe tunnel partition plate 4. Specifically, the reinforcing member 5 is a T-shaped profile, the longitudinal section of the reinforcing member 5 is welded to the side plate, and the end face of the reinforcing member 5 facing the pipe tunnel partition plate 4 is welded to the pipe tunnel partition plate 4, which can effectively prevent stress concentration. Optionally, the thickness of the web of the reinforcing member 5 is greater than or equal to the thickness of the left lower side plate 21 or the right lower side plate 22, and the thickness of the face plate of the reinforcing member 5 is greater than or equal to the thickness of the web of the reinforcing member 5, which can ensure the structural strength of the pipe tunnel passage.

[0031] In the embodiment, the pipe tunnel structure further comprises a tank bulkhead 61 and an upper deck 62. The tank bulkhead 61 and the upper deck 62 are both conventional structures used in ships on the market. The width of the upper ceiling 3 is equal to the groove depth of the tank bulkhead 61, and the bottom end of the tank bulkhead 61 is fixedly connected to the top surface of the upper ceiling 3. Specifically, the upper ceiling 3 and the tank bulkhead 61 can be connected by full penetration welding, which can ensure oil tightness. In addition, the top end of the tank bulkhead 61 is fixedly connected to the upper deck 62 by a T-shaped steel material 63.

[0032] See Figure 2 The lower part of the upper ceiling 3 is provided with an extension inclined plate member 31, which is aligned with the inclined surface part of the tank bulkhead 61 in the height direction. Preferably, the thickness of the extension inclined plate member 31 is equal to the thickness of the tank bulkhead 61.

[0033] In order to further improve the structural strength of the pipe tunnel structure, the outer side of the left lower side plate 21 and the outer side of the right lower side plate 22 are fixedly connected with a reinforcing rib 71, and the top surface of the outer bottom plate 12 is fixedly connected with a ship bottom longitudinal rib 72.

[0034] The pipe tunnel structure of the embodiment replaces the current installation mode of arranging numerous pipelines in the cargo hold of the methanol filling transport ship, avoiding the occupation of a large cargo hold by the pipelines and their valves. The pipe tunnel structure of the embodiment can arrange the pipelines and their valves in the interior of the pipe tunnel passage, solving the previous inconvenient maintenance problem. The left upper side plate 23 and the right upper side plate 24 are inclined to make the upper part of the pipe tunnel passage present a trapezoidal structure, improving the utilization rate of the cargo hold, and the overall structure is simple and compact, facilitating construction, the pipe tunnel passage can be accessed from the pump room of the ship without passing through the cargo hold, facilitating the maintenance of the pipelines by the crew, improving the loading and unloading efficiency and the safety of the pipelines.

[0035] Finally, it should be noted that: the methanol filling transport ship cargo hold pipe tunnel structure disclosed in the embodiment of the utility model is only a preferred embodiment of the utility model, and is only used to illustrate the technical scheme of the utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that; the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. A methanol bunkering carrier cargo tank pipe tunnel structure, characterized in that, The inner bottom plate and the outer bottom plate are arranged at intervals in the height direction, the inner bottom plate is provided with a pipe tunnel opening, the left side of the pipe tunnel opening is provided with a left lower side plate fixedly connected with the outer bottom plate, the right side of the pipe tunnel opening is provided with a right lower side plate fixedly connected with the outer bottom plate, the upper side of the pipe tunnel opening is provided with an upper top plate, the left side of the upper top plate is provided with a left upper side plate fixedly connected with the left side of the pipe tunnel opening, the right side of the upper top plate is provided with a right upper side plate fixedly connected with the right side of the pipe tunnel opening, so that the upper top plate, the left upper side plate, the left lower side plate, the outer bottom plate, the right lower side plate and the right upper side plate jointly form a pipe tunnel channel, a pipe tunnel partition plate is fixedly installed in the pipe tunnel channel, and a load reduction hole is formed in the middle part of the pipe tunnel partition plate. The left upper side plate and the left lower side plate are provided with a reinforcing piece therebetween, and the right upper side plate and the right lower side plate are provided with a reinforcing piece therebetween, one side of the reinforcing piece is fixedly connected with the pipe tunnel opening, and the other side of the reinforcing piece is fixedly connected with the pipe tunnel partition plate.

2. A cargo tank piping tunnel structure for a methanol bunker carrier according to claim 1, characterized in that, A groove type bulkhead and an upper deck are further included, the bottom end part of the groove type bulkhead is fixedly connected with the top surface of the upper top plate, and the top end part of the groove type bulkhead is fixedly connected with the upper deck through a T-shaped steel material.

3. A methanol bunker tanker cargo tank pipe tunnel structure according to claim 2, characterized in that The width of the upper top plate is equal to the groove depth of the groove type bulkhead.

4. A cargo tank piping tunnel structure for a methanol bunker carrier according to claim 1 or 3, characterized in that, The left lower side plate and the right lower side plate are arranged perpendicularly relative to the outer bottom plate, and the left upper side plate and the right upper side plate are arranged obliquely relative to the inner bottom plate.

5. A cargo tank piping tunnel structure for a methanol bunker tanker according to claim 4, wherein The left upper side plate and the right upper side plate are inclined towards the inner side of the pipe tunnel channel, so that the upper part of the pipe tunnel channel is arranged in a trapezoidal shape.

6. A cargo tank piping tunnel structure for a methanol bunker carrier according to claim 1, wherein The left upper side plate and the left lower side plate are an integral molding structure, and the right upper side plate and the right lower side plate are an integral molding structure.

7. A cargo tank piping tunnel structure for a methanol bunker carrier as set forth in claim 1, characterized in that, The lower part of the upper top plate is provided with an extension inclined plate piece, and the extension inclined plate piece is aligned with the inclined surface part of the groove type bulkhead in the height direction.

8. A cargo tank piping tunnel structure for a methanol bunker tanker according to claim 7, characterized in that, The thickness of the extension inclined plate piece is equal to the thickness of the groove type bulkhead.

9. A cargo tank piping tunnel structure for a methanol bunker barge as defined in claim 1, wherein The reinforcing piece is a T-shaped material, the web thickness of the reinforcing piece is greater than or equal to the plate thickness of the left lower side plate or the right lower side plate, and the panel thickness of the reinforcing piece is greater than or equal to the web thickness of the reinforcing piece.

10. A cargo tank piping tunnel structure for a methanol bunker barge as defined in claim 1, wherein The outer side of the left lower side plate and the outer side of the right lower side plate are fixedly connected with reinforcing ribs, and the top surface of the outer bottom plate is fixedly connected with a ship bottom longitudinal beam.