Methanol fuel cabin separation structure
The methanol fuel tank division structure with horizontal slot-type walls and integrated support structures addresses complexity and space issues in existing designs, enabling simplified construction and efficient space utilization.
Patent Information
- Application Number
- CN202422235798.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-12
AI Technical Summary
The existing methanol chamber design has a complex structure and is inconvenient to construct. The top pier and the bottom pier occupy additional space, affecting space utilization and construction efficiency.
The horizontally distributed groove-shaped bulkhead is used as the partition structure, the top and bottom piers are eliminated, and the reinforcements and top cabins in the isolation capsule are used as support to reduce additional structure and simplify bulkhead reinforcement.
The methanol chamber separation structure is simplified, which reduces additional space occupation, improves construction efficiency and space utilization, and makes the pipeline layout clearer.
Smart Images
Figure CN223100933U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ships, in particular to a methanol fuel tank separation structure. Background Art
[0002] In order to solve the problems of excessive free surface and excessive sloshing load in the current ship methanol tank design, the methanol tank is generally divided into two fuel tanks. In order to reduce the trouble of special coating, the corrugated bulkhead structure is generally used as the separation bulkhead of the methanol fuel tank. The corrugations of the corrugated bulkhead are vertically distributed. In order to support the corrugated bulkhead, top and bottom piers need to be set up.
[0003] The existing corrugated bulkhead of the methanol tank generally uses a vertical corrugated bulkhead as the separation bulkhead of the methanol fuel tank. A top pier is arranged at the top of the corrugated bulkhead, and a bottom pier is arranged at the bottom of the corrugated bulkhead. The structure is complex, the construction is complex, and the construction is not convenient; moreover, the top and bottom piers also occupy extra space. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to overcome the above defects existing in the prior art and provide a methanol fuel tank separation structure.
[0005] The utility model solves the above technical problems through the following technical solutions:
[0006] A methanol fuel tank separation structure, which includes a methanol fuel tank and an isolation empty tank arranged outside the methanol fuel tank; a corrugated bulkhead is arranged in the methanol fuel tank, and the corrugated bulkhead has a number of corrugations composed of panels and webs; the corrugated bulkhead divides the methanol fuel tank into a left fuel tank and a right fuel tank; no top pier is arranged at the top of the corrugated bulkhead, and no bottom pier is arranged at the bottom of the corrugated bulkhead; the corrugations of the corrugated bulkhead are horizontally distributed; the isolation empty tank is distributed along the outer circumference of the methanol fuel tank; a top chamber is arranged in the isolation empty tank above the methanol fuel tank, and the panel of the corrugation at the top of the corrugated bulkhead is fixedly connected to the side wall of the top chamber; the panel of the corrugation at the bottom of the corrugated bulkhead is fixedly connected to the bottom of the methanol fuel tank.
[0007] Furthermore, a first strengthening member is arranged in the isolation empty tank below the methanol fuel tank, and the first strengthening member is aligned with the panel of the corrugation at the bottom of the corrugated bulkhead.
[0008] Furthermore, the first strengthening member is a longitudinal girder.
[0009] Furthermore, a second strengthening member is arranged in the isolation empty tank in front of the methanol fuel tank, and the second strengthening member is aligned with the panel of the corrugation at the front end of the corrugated bulkhead.
[0010] Furthermore, a third strengthening member is arranged in the isolation empty tank behind the methanol fuel tank, and the third strengthening member is aligned with the panel of the corrugation at the rear end of the corrugated bulkhead.
[0011] Further, both the second reinforcing member and the third reinforcing member are vertical girders.
[0012] Further, there are two second reinforcing members and two third reinforcing members respectively.
[0013] Further, the top compartment serves as a separating component between the left fuel tank and the right fuel tank at the same time; the top compartment is located on the left or right side of the corrugated bulkhead.
[0014] Further, the top compartment is a valve accessory compartment or a methanol daily-use compartment.
[0015] Further, the side wall of the top compartment fixed to the channel panel at the top of the corrugated bulkhead is vertically distributed.
[0016] The beneficial effects of the present utility model are as follows: In the present utility model, the reinforcing structure of the corrugated bulkhead can be arranged in the cofferdam, without occupying the space of the methanol tank; by using the top compartment as the separating component between the left fuel tank and the right fuel tank, and using its side wall as the end support of the channel panel at the top of the corrugated bulkhead, one bulkhead support structure can be reduced; the pipelines of methanol fuel can be conveniently arranged in the methanol fuel tank, the methanol daily-use compartment and the valve accessory compartment, the pipeline layout is clear, and the pipelines do not need to pass through the deck compared with the traditional scheme. The present utility model can make full use of the cofferdam and the top compartment to meet the strengthening of the separating bulkhead of the methanol tank. Compared with the traditional structure of making top piers and bottom piers, the separating structure of the methanol tank is simpler and the construction is more convenient. The present utility model has the advantages of simple structure, convenient construction and full utilization of space. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a cross-sectional view of an embodiment of the present utility model.
[0018] Figure 2 is a top view of an embodiment of the present utility model.
[0019] Figure 3 is a cross-sectional view of another embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The following is a preferred embodiment, and the present utility model will be described more clearly and completely in conjunction with the accompanying drawings.
[0021] As Figure 1 and Figure 2 shown, a separating structure for a methanol fuel tank includes a methanol fuel tank 10 and a cofferdam 20 provided outside the methanol fuel tank; a corrugated bulkhead 30 is provided in the methanol fuel tank 10, and the corrugated bulkhead 30 has a plurality of channel strips composed of panels and webs; the corrugated bulkhead 30 divides the methanol fuel tank into a left fuel tank 11 and a right fuel tank 12.
[0022] No top pier is provided at the top of the corrugated bulkhead 30, and no bottom pier is provided at the bottom of the corrugated bulkhead 30; the corrugated strips of the corrugated bulkhead 30 are horizontally distributed.
[0023] The void space 20 is distributed circumferentially along the outer periphery of the methanol fuel tank.
[0024] A top chamber 40 is provided in the void space above the methanol fuel tank 10, and the corrugated strip panel at the top of the corrugated bulkhead 30 is fixedly connected to the side wall 41 of the top chamber 40.
[0025] The side wall 41 of the top chamber that is fixedly connected to the corrugated strip panel at the top of the corrugated bulkhead is vertically distributed. The corrugated strip panel at the top of the corrugated bulkhead and the side wall 41 of the top chamber are in the same plane.
[0026] The side wall 41 of the top chamber simultaneously serves as a support member at the top of the corrugated bulkhead.
[0027] The corrugated strip panel at the bottom of the corrugated bulkhead is fixedly connected to the bottom of the methanol fuel tank 10.
[0028] A first stiffener 31 is provided in the void space below the methanol fuel tank 10, and the first stiffener 31 is aligned with the corrugated strip panel at the bottom of the corrugated bulkhead. The first stiffener is a longitudinal girder. The first stiffener is an extended reinforcement of the corrugated strip panel at the bottom of the corrugated bulkhead.
[0029] A second stiffener 32 is provided in the void space in front of the methanol fuel tank 10, and the second stiffener 32 is aligned with the corrugated strip panel at the front end of the corrugated bulkhead. The second stiffener is an extended reinforcement of the end of the corrugated strip at the front end of the corrugated bulkhead.
[0030] A third stiffener 33 is provided in the void space behind the methanol fuel tank 10, and the third stiffener 33 is aligned with the corrugated strip panel at the rear end of the corrugated bulkhead. The third stiffener is an extended reinforcement of the end of the corrugated strip at the rear end of the corrugated bulkhead.
[0031] Both the second stiffener 32 and the third stiffener 33 are vertical girders. Both the second stiffener 32 and the third stiffener 33 are two in number.
[0032] The top chamber 40 simultaneously serves as a separating component between the left fuel tank 11 and the right fuel tank 12. The top chamber 40 is a valve accessory chamber or a methanol daily use tank.
[0033] Figure 1 In..., the top chamber 40 is located on the right side of the corrugated bulkhead 30. In another embodiment, as Figure 3 shown, the top chamber 40 is located on the left side of the corrugated bulkhead 30. The difference between the two embodiments is only the position of the top chamber.
[0034] In the field of ship technology, in the top view related to the cabin, usually the left side is the stern direction and the right side is the bow direction. Figure 2According to this rule, Figure 2 the left side in Figure 2 is the stern direction, and the right side is the bow direction.
[0035] In the present utility model, a circle of isolation void spaces is arranged around the methanol fuel tank. At the same time, a horizontally arranged corrugated bulkhead is used as the partition bulkhead between the left fuel tank and the right fuel tank. The trough panel at the bottom of the corrugated bulkhead falls on the bottom of the methanol fuel tank and is extended and strengthened by the longitudinal girder in the isolation void space; a top chamber is arranged at a position centered and slightly to the left or right at the top of the methanol tank. The top chamber can be a valve accessory chamber or a methanol daily use tank; the trough panel at the top of the corrugated bulkhead is connected to the side wall of the top chamber, and the side wall of this top chamber can be used as the support of the corrugated bulkhead. The valve accessory chamber or the methanol daily use tank is arranged centered and slightly to the left or centered and slightly to the right. In the front and rear isolation void spaces of the methanol fuel tank, two vertically distributed vertical girders are respectively arranged for the alignment and strengthening of the horizontally arranged corrugated bulkhead.
[0036] The methanol fuel tank partition structure of the present utility model has the following advantages:
[0037] 1. The strengthening structures of the corrugated bulkhead can all be arranged in the isolation void space without occupying the space of the methanol tank.
[0038] 2. By using the top chamber (valve accessory chamber or methanol daily use tank) as the partition component between the left fuel tank and the right fuel tank, and using its side wall as the end support of the trough panel at the top of the corrugated bulkhead, one bulkhead support structure can be reduced.
[0039] 3. The pipelines of the methanol fuel can be conveniently arranged in the methanol fuel tank, the methanol daily use tank and the valve accessory chamber. The pipeline layout is clear, and compared with the traditional scheme, the pipelines do not need to pass through the deck.
[0040] The present utility model can make full use of the isolation void space and the top chamber to meet the strengthening of the partition bulkhead of the methanol tank. Compared with the traditional structure of making top piers and bottom piers, the methanol tank partition structure is simpler and more convenient for construction.
[0041] The methanol fuel tank partition structure of the present utility model has the advantages of simple structure, convenient construction and full utilization of space.
[0042] Although the specific implementation manners of the present utility model have been described above, those skilled in the art should understand that this is only for illustration. The protection scope of the present utility model is defined by the appended claims. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to these implementation manners, but these changes and modifications all fall within the protection scope of the present utility model.
Claims
1. A methanol fuel tank separation structure, which includes a methanol fuel tank and an isolation empty tank arranged outside the methanol fuel tank; a trough-shaped bulkhead is provided in the methanol fuel tank, and the trough-shaped bulkhead has a number of trough bars composed of panels and webs; the trough-shaped bulkhead divides the methanol fuel tank into a left fuel tank and a right fuel tank; characterized in that, No top pier is provided at the top of the corrugated bulkhead, and no bottom pier is provided at the bottom of the corrugated bulkhead; the corrugated strips of the corrugated bulkhead are horizontally distributed; the void space is distributed along the outer circumference of the methanol fuel tank; a top chamber is provided in the void space above the methanol fuel tank, and the corrugated strip panel at the top of the corrugated bulkhead is fixedly connected to the side wall of the top chamber; the corrugated strip panel at the bottom of the corrugated bulkhead is fixedly connected to the bottom of the methanol fuel tank.
2. The methanol fuel tank partition structure according to claim 1, characterized in that, A first stiffening member is provided in the void space below the methanol fuel tank, and the first stiffening member is aligned with the corrugated strip panel at the bottom of the corrugated bulkhead.
3. The methanol fuel tank partition structure according to claim 2, wherein, The first stiffening member is a longitudinal girder.
4. The methanol fuel tank separation structure according to claim 1, wherein A second stiffening member is provided in the void space in front of the methanol fuel tank, and the second stiffening member is aligned with the corrugated strip panel at the front end of the corrugated bulkhead.
5. The methanol fuel tank separation structure according to claim 4, characterized in that, A third stiffening member is provided in the void space behind the methanol fuel tank, and the third stiffening member is aligned with the corrugated strip panel at the rear end of the corrugated bulkhead.
6. The methanol fuel tank separation structure according to claim 5, characterized in that, Both the second stiffening member and the third stiffening member are vertical girders.
7. The methanol fuel tank separation structure according to claim 5, wherein, Both the second stiffening member and the third stiffening member are two in number.
8. The methanol fuel tank separation structure according to claim 1, wherein, The top chamber simultaneously serves as a separating component between the left fuel tank and the right fuel tank; the top chamber is located on the left or right side of the corrugated bulkhead.
9. The methanol fuel tank separation structure according to claim 1, characterized in that, The top chamber is a valve accessory chamber or a methanol day tank.
10. The methanol fuel tank separation structure according to claim 1, characterized in that, The side wall of the top chamber fixedly connected to the corrugated strip panel at the top of the corrugated bulkhead is vertically distributed.