Marine methanol fuel storage tank

Abstract

The invention provides a marine methanol fuel storage tank, and belongs to the technical field of marine storage tanks. Comprising a storage tank, the bottom of the storage tank communicates with a conical barrel, one side of the top of the storage tank communicates with a feeding pipe, one side of the storage tank is fixedly connected with a protection box, the bottom of the protection box is fixedly connected with a retention barrel, and a stabilizing assembly used for stabilizing output of methanol is arranged in the storage tank. Through arrangement of the stabilizing assembly, when the liquid level of methanol descends, the gravity floating plate can automatically slide down along with descending of the liquid level, the multiple layers of buoyancy plates below the gravity floating plate are gradually activated and slide down layer by layer, downward compression pressure is applied to the liquid level, and initial pressure generated by the gravity floating plate is matched with layer-by-layer sliding down of the buoyancy plates; the stability of the liquid level in the descending process can be kept, so that the flow uniformity during methanol output is ensured, the gravity floating plate can generate a multi-section extrusion effect in the downward moving process through the design, and the phenomenon of unstable output caused by methanol fluctuation is effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of marine storage tanks, and in particular to a marine methanol fuel storage tank. Background Art

[0002] With increasingly stringent requirements for environmental protection, traditional marine fuels (such as heavy oil and diesel) are gradually being replaced by cleaner alternative fuels due to their high emissions. Methanol has become an alternative fuel with good prospects because of its relatively low emissions of carbon dioxide and sulfide after combustion. At the same time, since methanol is a volatile and highly flammable liquid, the sealing requirements during storage are very high to avoid methanol volatilization and gas leakage, and prevent the risk of fire and explosion. Therefore, storage tanks are needed to store and use it.

[0003] In the prior art, a Chinese patent document with publication number CN116605356A proposes an active marine tank tank sloshing control device, comprising a tank, wherein the tank side wall is provided with a longitudinal sloshing control plate and a plurality of transverse sloshing control plates, wherein the longitudinal sloshing control plate is installed on the tank side wall along the longitudinal direction of the tank, and the plurality of transverse sloshing control plates are installed between the upper and lower side walls of the tank at intervals along the horizontal direction. Although this technology can significantly reduce the amplitude of the sloshing pressure during the sloshing of the liquid and accelerate the decay rate of the sloshing pressure until the liquid surface returns to calm, this technology still has some defects in actual use: this technology suppresses the sloshing of the liquid in the tank by using the sloshing control plate, and aims to control the sloshing control plate by The sliding is coordinated with the cycle of liquid sloshing, thereby reducing the liquid level fluctuation caused by the sloshing of the hull. However, in doing so, when the liquid is being discharged, since the hull is in a sloshing state, the liquid will also push the sloshing plate in the technology to slide. At this time, when the liquid is being discharged, if the sloshing of the liquid is not synchronized with the control of the sloshing plate, the sloshing plate will not be able to effectively offset the fluctuation of the liquid. This will not only cause the liquid level in the liquid tank to fluctuate more, but also the liquid cannot be controlled to flow out evenly, which will cause the instability of the liquid output. This uneven output will also cause the liquid flow rate to be large and small, thereby affecting the normal operation of the equipment and the smooth supply of methanol fuel. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a marine methanol fuel storage tank to solve the problem of unstable flow rate when the existing methanol fuel storage tank outputs methanol.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A marine methanol fuel storage tank comprises a storage tank, the bottom of the storage tank is connected to a conical cylinder, one side of the top of the storage tank is connected to a feed pipe, one side of the storage tank is fixedly connected to a protection box, the bottom of the protection box is fixedly connected to a retention cylinder, a stabilizing component for stabilizing the output of methanol is arranged inside the storage tank, the stabilizing component comprises a center rod fixedly connected to the middle of the storage tank, the top of the center rod is fixedly connected to the top of the storage tank, the outside of the top of the center rod is slidably connected to a gravity floating plate, the outside of the middle of the center rod is slidably connected to a plurality of buoyancy plates, and the bottom of the center rod is A conical float is slidably connected to the outside, and positioning components for positioning and returning the gravity float, buoyancy plate and conical float are arranged inside and outside the storage tank. The positioning components include a first pull rope installed on the top of the gravity float and a positioning bolt installed inside the center rod. A fixed plate is fixedly connected to one side of the bottom of the protection box, and a rope winding roller is connected to one side of the fixed plate through an axial rotation. The end of the first pull rope away from the gravity float passes through multiple pulleys and penetrates the interior of the protection box and is wound around the outside of the rope winding roller. An adjustment component is installed at the bottom of the conical cylinder, and the adjustment component is used to adjust the flow rate of methanol output.

[0006] Optionally, the outer wall of the gravity float, the buoyancy plate and the outer wall of the top of the conical float are in contact with the inner wall of the storage tank, and a plurality of holes are provided inside the buoyancy plate and the conical float. A plurality of air cylinders are fixedly connected to the interior of the gravity float, and a plurality of alignment blocks are fixedly connected to the bottom of the gravity float. The alignment blocks are cylindrical in shape, and the positions of the alignment blocks correspond to the positions of the holes inside the buoyancy plate. The conical float and the conical tube are both conical in shape, and the specifications and dimensions of the conical float are compatible with the specifications and dimensions of the conical tube.

[0007] Optionally, the center rod is internally slidably connected with a plurality of sealing rings, the specifications and dimensions of the sealing rings are matched with the specifications and dimensions of the internal space of the center rod, the side wall of the center rod is provided with a connecting groove, and one side of the plurality of sealing rings passes through the interior of the connecting groove and is fixedly connected with the gravity float, the buoyancy plate and one side of the top of the conical float respectively.

[0008] Optionally, a plurality of positioning holes are provided on the side wall of the center rod, and the vertical positions of the plurality of positioning holes are equidistantly arranged at the top, middle and bottom of the center rod, and the lateral positions of the plurality of positioning holes are different. The sealing ring and the buoyancy plate and the conical floating plate are respectively fixedly connected with a positioning cylinder at the top of the sealing ring corresponding to the buoyancy plate, and the conical floating plate. A positioning spring is fixedly connected to one end of the positioning cylinder, and a positioning bolt is slidably connected to one end of the positioning cylinder. An end of the positioning spring away from the positioning cylinder is fixedly connected to one end of the positioning bolt, and an end of the positioning spring away from the positioning cylinder is fixedly connected to one end of the positioning bolt, and ends of the plurality of positioning bolts away from the positioning cylinder are respectively connected to the inside of a plurality of positioning holes.

[0009] Optionally, a positioning box is fixedly connected to one side of the center rod, and a plurality of sealing blocks are slidably connected to the interior of the positioning box, and the specifications and dimensions of the sealing blocks are adapted to the specifications and dimensions of the internal space of the positioning box. A movable groove is opened on one side of the positioning box, and one side of the plurality of sealing blocks passes through the interior of the movable groove and is respectively fixedly connected to the gravity float, the buoyancy plate and one side of the top of the conical float. The end of the first pull rope away from the rope winding roller is fixedly connected to the top of the sealing block connected to the gravity float, and a second pull rope is fixedly connected between the sealing blocks corresponding to the plurality of buoyancy plates. The top of the sealing block on one side of the buoyancy plate where the plurality of buoyancy plates are at the top is fixedly connected to the bottom of the sealing block on one side of the gravity float through the second pull rope, and the bottom of the sealing block on one side of the buoyancy plate where the plurality of buoyancy plates are at the bottom is fixedly connected to the top of the sealing block on one side of the conical float through the second pull rope. The first pull rope and the second pull rope are made of stainless steel.

[0010] The lockhole that is formed on the upper part of the support frame is formed on the upper part of the support frame, and the lockhole that is formed on the lower part of the support frame is formed on the upper part of the support frame.

[0011] Optionally, one end of the push rod away from the lever plate is rotatably connected to a roller through an axis, and an external sleeve of the push rod is provided with an extrusion spring, one end of the extrusion spring is fixedly connected to the outside of one end of the push rod away from the positioning block, and the other end of the extrusion spring is fixedly connected to one side of the positioning block. A sliding groove is provided on the inner wall of the protective box, and a triangular plate is slidably engaged with the inside of the sliding groove. One side of the triangular plate is provided in an arc shape, and the outside of the roller contacts with one side of the arc-shaped triangular plate. A connecting rod is fixedly connected to the bottom of the triangular plate, and the bottom end of the connecting rod passes through the top of the retention cylinder and is fixedly connected to an air bag. One side of the top of the storage tank is connected to an overflow pipe. The output end of the flow tube is connected to the interior of the top of the storage tube, and the bottom of the storage tube is connected to an output tube, and the bottom of the output tube is threadedly connected to a threaded cap, the height of the overflow pipe input end is lower than the height of the feed pipe output end, and the height of the overflow pipe input end is higher than the height of the buoyancy plate, and the height of the gravity float when located at the top of the storage tank is higher than the height of the feed pipe output end and the overflow pipe input end, and when the upper clamping block and the lower clamping block clamp the first pull rope, the gravity float is at the top of the storage tank and the extrusion spring is in a taut state, and when the first pull rope is released from the limit, the position of the gravity float is just on one side of the feed pipe output end and the overflow pipe input end.

[0012] Optionally, a first positioning disk is fixedly connected to one side of the fixed plate, the position of the rope winding roller corresponds to the position of the first positioning disk, one end of the rope winding roller is fixedly connected to the first rotating wheel through an axis, a first insertion rod is slidably connected to the inside of the first rotating wheel, a fixing hole is opened on one side of the first positioning disk, the position of the first insertion rod corresponds to the position of the fixing hole, and when the first insertion rod is inserted into the fixing hole, the gravity floating plate is at the top of the inside of the storage tank.

[0013] Optionally, the adjusting assembly includes an adjusting cylinder connected to the bottom of the conical cylinder, the bottom of the adjusting cylinder has a plurality of fixed rods fixedly connected in an annular shape inside, a plurality of fixed rods are fixedly connected to a center block at one end away from the adjusting cylinder, the center block is located in the middle of the adjusting cylinder, the outside of the center block is annular and is rotatably connected to a plurality of adjusting plates via an axis, the adjusting plates have a triangular shape, a plurality of adjusting plates are fixedly connected to a connecting shaft at one end away from the center block, an end of the connecting shaft away from the adjusting plate passes through the side wall of the adjusting cylinder and is fixedly connected to a connecting plate, one side of the bottom of the connecting plate is rotatably connected to a pushing rod via an axis, and a plurality of connecting plates are rotatably connected to each other via the pushing rod. One side of the adjusting cylinder is rotatably connected to a rotating shaft, and the outside of the rotating shaft is fixedly connected to a linkage plate, and one side of the bottom of the linkage plate is rotatably connected to an initial end pushing rod and one end of a terminal pushing rod through an axis, and the outer shape of the multiple adjusting plates when parallel to the adjusting cylinder is circular, and one side of the adjusting cylinder is fixedly connected to a supporting frame, and one side of the supporting frame is fixedly connected to a second positioning plate, and one end of the rotating shaft away from the adjusting cylinder passes through the middle of the second positioning plate and is fixedly connected to a second rotating wheel, and a second plug rod is slidably connected to the inside of the second rotating wheel, and a plurality of adjusting holes are provided on one side of the second positioning plate in a ring shape, and the position of the second plug rod corresponds to the position of the plurality of adjusting holes.

[0014] Optionally, the bottom of the regulating cylinder is connected to the output cylinder, the middle of the output cylinder is fixedly connected to a center column, the outside of the center column is fixedly connected to a spiral plate, a plurality of spiral plates are fixedly connected to the inner wall of the output cylinder on one side away from the center column, and the bottom of the output cylinder is connected to a switch valve.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects: In the above scheme, by setting up stabilizing components, including gravity floats, multi-layer buoyancy plates and conical floats, when the methanol liquid level drops, the gravity float will automatically slide down with the liquid level, and the multi-layer buoyancy plates below it will be gradually activated, slide down layer by layer and apply downward compression pressure to the liquid surface. The initial pressure generated by the gravity float, combined with the gradual decline of the buoyancy plates, can maintain the stability of the liquid level during the descent process, thereby ensuring the uniformity of the flow rate when the methanol is output. This design can enable the gravity float to produce a multi-stage extrusion effect during the downward movement, which helps to gradually reduce the air inside the storage tank during the output of methanol, and effectively avoid the output instability caused by methanol fluctuations. At the same time, by setting up the conical float, the conical float The design enables it to concentrate its effect on the bottom area of ​​methanol during the descent, especially when methanol is close to the outlet. The more concentrated pressure ensures the stability of the methanol flow and further improves the control ability of the output pressure, thereby ensuring that the speed and pressure of the methanol flowing to the outlet are more stable. At the same time, the bottom of the gravity float is provided with a counter-block in a cylindrical structure. These counter-blocks act as a buffer during the downward pressure process and can effectively absorb the impact force caused by the shaking of the hull, thereby improving the stability of the downward movement of the gravity float. Even if the liquid state inside the storage tank is affected by external shaking during navigation at sea, the design can still maintain the stability of the internal liquid level and reduce the impact of shaking on the output flow.

[0016] By setting a positioning component for accurately positioning the positions of the gravity float, the multi-layer buoyancy plate and the conical float, the gravity float is kept at the top of the liquid surface by the positioning component when the storage tank is filled with methanol. When the storage tank is full of methanol, the gravity float can automatically slide down to the top of the methanol by releasing the restriction of the positioning component on the gravity float and start to apply continuous compression pressure to the methanol. This design avoids the phenomenon of the gravity float being retained on the top of the methanol, thereby ensuring the smooth output of the methanol. At the same time, through the provision of a protective box, a retention cylinder, an air bag and upper and lower blocks, when the methanol inside the storage tank reaches the overflow point, part of the methanol will flow into the retention cylinder through the overflow pipe, driving the air bag to rise, and thereby driving the triangular plate to lift the upper block, loosening the limit on the first pull rope. At this time, the gravity float is released from the limit and starts to compress the methanol. Through this automatic release design, it is ensured that the gravity float can quickly enter the working state when the storage tank is fully loaded, thereby improving the automation level of the methanol output. At the same time, through the provision of the first pull rope and the second Pull rope, when the methanol is completely output, the gravity float can be lifted by pulling the first pull rope, and the traction force of the pull rope is transmitted to the multi-layer buoyancy plate, so that it is reset upward layer by layer, and the buoyancy plate and the conical float are gradually pulled back to the initial position by the second pull rope. At the same time, multiple positioning bolts will be stuck in the positioning holes on the center rod to fix the gravity float, the multi-layer buoyancy plate and the conical float in the initial position. This design is convenient for ensuring that the float assembly is in the best position when used next time, which is conducive to the reuse and maintenance of the storage tank. At the same time, multiple sealing rings are connected to the internal sliding connection of the center rod by setting the internal sliding connection of the center rod. The sizes of these sealing rings match the internal space of the center rod and are connected to the gravity float, the buoyancy plate and the conical float. This structure effectively prevents the possibility of methanol overflowing along the center rod during the compression process, ensuring the sealing and safety of methanol inside the storage tank. The combined design of the sealing ring and the float also helps to maintain the hydraulic stability inside the storage tank when the compression force is applied, avoiding the problem of affecting the output pressure due to leakage.

[0017] By setting the adjustment component, the output flow rate of methanol can be accurately controlled. Multiple fixed rods and adjustable adjustment plates are set in the adjustment cylinder. Through the linkage mechanism of the adjustment plate, the push rod and the linkage plate, the adjustment component can finely adjust the output flow rate of methanol according to needs to meet the flow requirements in different usage scenarios. At the same time, by setting the adjustment plate in a triangular design, the flow rate of methanol can be adjusted at different angles, making its output more flexible. At the same time, through the setting of the spiral plate, its spiral structure can effectively guide the methanol to flow to the outlet, and play a role in evenly distributing the liquid. The design of the spiral plate can alleviate the influence of the hull shaking on the flow velocity during the output process, so that the methanol maintains a uniform flow when flowing to the outlet, avoiding the problem of sudden increase or decrease in flow rate. Combined with the control of the adjustment component, the smooth output of methanol flow can be achieved in actual operation, ensuring the reliability and safety of the marine methanol fuel storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable those skilled in the relevant art to make and use the invention.

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the side cross-sectional structure of the overall part of the present invention; Figure 3 For the present invention Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure; Figure 4 For the present invention Figure 2 The enlarged three-dimensional structure diagram at B in the middle; Figure 5 This is a schematic diagram of the three-dimensional structure of the internal part of the storage tank of the present invention; Figure 6 It is a schematic diagram of the enlarged structure of the gravity floating plate and the buoyancy plate of the present invention; Figure 7 It is a schematic diagram of the enlarged structure of the conical floating plate and the conical cylinder of the present invention; Figure 8 This is a schematic diagram of the three-dimensional structure of the adjustment component of the present invention; Fig. 9 For the present invention Figure 8 The enlarged structural diagram at C in the middle; Fig.10 It is a schematic diagram of the side cross-sectional structure of the regulating tube and the output tube of the present invention; Fig.11 It is a schematic diagram of the side cross-sectional structure of the protection box and the storage cylinder of the present invention; Fig.12 For the present invention Fig.11 Enlarged structural diagram at point D in the middle.

[0020] [Reference Signs] 1. Storage tank; 2. Feed pipe; 3. Conical cylinder; 4. Adjustment cylinder; 5. Output cylinder; 6. Overflow pipe; 7. Protection box; 8. Retention cylinder; 9. Fixed plate; 10. Airbag; 11. Connecting rod; 12. Triangular plate; 13. Slideway; 14. Push rod; 15. Extrusion spring; 16. Roller; 17. Positioning block; 18. Fixed block; 19. Lever plate; 20. Connecting block; 21. Arc plate; 22. Positioning shaft; 23. Upper clamping block; 24. Lower clamping block; 25. First pull rope; 26. First positioning plate; 27. Rope roller; 28. First rotating wheel; 29. ​​First plug rod; 30. Center rod ;31. Gravity float;32. Sealing ring;33. Positioning box;34. Sealing block;35. Second pull rope;36. Positioning cylinder;37. Positioning spring;38. Positioning bolt;39. Positioning hole;40. Buoyancy plate;41. Conical float;42. Air cylinder;43. Alignment block;44. Second rotating wheel;45. Second plug rod;46. Second positioning disk;47. Support frame;48. Rotating shaft;49. Interlocking plate;50. Push rod;51. Connecting plate;52. Connecting shaft;53. Adjusting plate;54. Fixing rod;55. Center block;56. Center column;57. Spiral plate;58. Connecting groove.

[0021] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0022] The following is a detailed description of a marine methanol fuel storage tank provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0023] like Figures 1 to 12As shown, an embodiment of the present invention provides a marine methanol fuel storage tank, including a storage tank 1, the bottom of the storage tank 1 is connected to a conical cylinder 3, one side of the top of the storage tank 1 is connected to a feed pipe 2, one side of the storage tank 1 is fixedly connected to a protection box 7, the bottom of the protection box 7 is fixedly connected to a retention cylinder 8, and the interior of the storage tank 1 is provided with a stabilizing component for stabilizing the output of methanol, the stabilizing component includes a center rod 30 fixedly connected to the middle of the interior of the storage tank 1, the top of the center rod 30 is fixedly connected to the top of the interior of the storage tank 1, the top of the center rod 30 is externally slidably connected to a gravity floating plate 31, the middle of the center rod 30 is externally slidably connected to a plurality of buoyancy plates 40, and the bottom of the center rod 30 The outside of the storage tank 1 is slidably connected with a conical floating plate 41, and the inside and outside of the storage tank 1 are provided with positioning components for positioning and returning the gravity floating plate 31, the buoyancy plate 40 and the conical floating plate 41. The positioning components include a first pull rope 25 installed on the top of the gravity floating plate 31 and a positioning bolt 38 installed inside the center rod 30. One side of the bottom of the protection box 7 is fixedly connected with a fixed plate 9, and one side of the fixed plate 9 is connected to a rope roller 27 through an axial rotation. The end of the first pull rope 25 away from the gravity floating plate 31 passes through a plurality of pulleys and passes through the inside of the protection box 7 and is wound around the outside of the rope roller 27. An adjustment component is installed at the bottom of the conical cylinder 3, and the adjustment component is used to adjust the flow rate of methanol output; By setting up a stabilizing component, including a gravity float 31, a multi-layer buoyancy plate 40 and a conical float 41, when the methanol liquid level drops, the gravity float 31 will automatically slide down with the liquid level, and the multi-layer buoyancy plate 40 below it will be gradually activated, slide down layer by layer and apply downward compression pressure to the liquid surface. The initial pressure generated by the gravity float 31, combined with the gradual decline of the buoyancy plate 40, can maintain the stability of the liquid level during the decline, thereby ensuring the uniformity of the flow rate when the methanol is output. This design can enable the gravity float 31 to produce a multi-stage extrusion effect during the downward movement, which helps to gradually reduce the air inside the storage tank during the output of methanol, and effectively avoid the output instability caused by methanol fluctuations. At the same time, by setting up the conical float 41, the design of the conical float 41 enables it to concentrate on the bottom area of ​​the methanol during the decline, especially when the methanol is close to the outlet. Through more concentrated pressure, the stability of the methanol flow is ensured, and the control ability of the output pressure is further improved, thereby ensuring that the speed and pressure of the methanol flowing to the outlet are more stable.

[0024] like Figures 1 to 7As shown, the outer wall of the gravity floating plate 31, the outer wall of the buoyancy plate 40 and the outer wall of the top of the conical floating plate 41 are in contact with the inner wall of the storage tank 1, and a plurality of holes are provided inside the buoyancy plate 40 and the conical floating plate 41. A plurality of air cylinders 42 are fixedly connected to the interior of the gravity floating plate 31, and a plurality of alignment blocks 43 are fixedly connected to the bottom of the gravity floating plate 31. The alignment blocks 43 are cylindrical in shape, and the positions of the alignment blocks 43 correspond to the positions of the holes inside the buoyancy plate 40. The conical floating plate 41 and the conical cylinder 3 are both conical in shape, and the specifications and dimensions of the conical floating plate 41 are adapted to the specifications and dimensions of the conical cylinder 3. By setting the gravity floating plate 31, the multi-layer buoyancy plate 40 and the conical floating plate 41, when methanol is output, the methanol liquid level inside the storage tank 1 will drop, and the gravity floating plate 31 will slide and drop on the outside of the center rod 30 as the methanol liquid level drops. At this time, when methanol is continuously output, the bottom of the gravity floating plate 31 will gradually move downward close to the top of the buoyancy plate 40. When the bottom of the gravity floating plate 31 contacts the positioning hole 39, it will squeeze one end of the positioning hole 39 to move toward the inside of the center rod 30, thereby prompting the buoyancy plate 40 to release the limit, and at the same time, as the gravity floating plate 31 is squeezed downward, the buoyancy plate 40 will be lifted. At this time, the gravity floating plate 31 and the buoyancy plate 40 are still pressed on the top of the methanol, so that the methanol is always kept in a stable state when it is output. At this time, when the multi-layer buoyancy plate 40 gradually moves downward and approaches the top of the conical floating plate 41, the positioning hole 39 on the top of the conical floating plate 41 is squeezed to the inside of the central rod 30, thereby releasing the limit of the conical floating plate 41, and the conical floating plate 41 is forced to squeeze the methanol at the bottom of the storage tank 1. At this time, by setting the specifications and dimensions of the conical floating plate 41 to match the specifications and dimensions of the conical cylinder 3, it can focus on the bottom area of ​​the methanol, especially in When methanol approaches the outlet, the more concentrated pressure ensures the stability of the methanol flow, further improves the control ability of the output pressure, and ensures that the speed and pressure of the methanol flowing to the outlet are more stable. At the same time, the gas cylinder 42 is set to increase or decrease the amount of the gas cylinder 42 to adjust the gravity of the gravity floating plate 31, so as to adapt to different concentrations of methanol for use, and also facilitates the use of the positioning components at the back. At the same time, the bottom of the gravity floating plate 31 is provided with a positioning block 43, and the cylindrical structure is provided. These positioning blocks 43 play a buffering role in the downward pressure process, which can effectively absorb the pressure caused by the ship. The impact force caused by the shaking of the body is reduced, thereby improving the stability of the downward movement of the gravity float 31. Even if the liquid state inside the storage tank is affected by the external shaking during navigation at sea, the design can still maintain the stability of the internal liquid level and reduce the impact of the shaking on the output flow. At the same time, holes are provided inside the buoyancy plate 40 and the conical float 41. When methanol is input, the positions of the buoyancy plate 40 and the conical float 41 are fixed. At this time, methanol can pass through the inside of the buoyancy plate 40 and the conical float 41 through the holes, and then fill up various areas inside the storage tank 1, thereby facilitating the storage of methanol.

[0025] like Figures 2 to 12As shown, the center rod 30 is internally slidably connected with a plurality of sealing rings 32, the size of the sealing rings 32 is adapted to the size of the internal space of the center rod 30, the side wall of the center rod 30 is provided with a connecting groove 58, one side of the plurality of sealing rings 32 passes through the interior of the connecting groove 58 and is respectively fixedly connected with the gravity floating plate 31, the buoyancy plate 40 and one side of the top of the conical floating plate 41, the side wall of the center rod 30 is provided with a plurality of positioning holes 39, and the vertical positions of the plurality of positioning holes 39 are respectively equidistantly provided at the top of the center rod 30 , middle and bottom, and the lateral positions of the plurality of positioning holes 39 are different. The sealing ring 32 corresponds to the buoyancy plate 40 and the conical floating plate 41. The tops of the sealing rings 32 are respectively fixedly connected with positioning cylinders 36. One end of the interior of the positioning cylinder 36 is fixedly connected with a positioning spring 37. One end of the positioning cylinder 36 is slidably connected with a positioning bolt 38. One end of the positioning spring 37 away from the positioning cylinder 36 is fixedly connected with one end of the positioning bolt 38. One end of the positioning bolt 38 away from the positioning cylinder 36 is respectively connected to the inside of the plurality of positioning holes 39. A positioning box 33 is fixedly connected to one side of the center rod 30, and a plurality of sealing blocks 34 are slidably connected to the interior of the positioning box 33. The specifications and dimensions of the sealing blocks 34 are adapted to the specifications and dimensions of the internal space of the positioning box 33. A moving groove is provided on one side of the positioning box 33. One side of the plurality of sealing blocks 34 penetrates the interior of the moving groove and is respectively fixedly connected to the gravity floating plate 31, the buoyancy plate 40 and one side of the top of the conical floating plate 41. The end of the first pull rope 25 away from the rope winding roller 27 is connected to the gravity floating plate 31 and the top of the sealing block 34. Fixed connection, a second pull rope 35 is fixedly connected between the sealing blocks 34 corresponding to the multiple buoyancy plates 40, the top of the sealing block 34 on one side of the multiple buoyancy plates 40 is fixedly connected to the bottom of the sealing block 34 on one side of the gravity buoyancy plate 31 through the second pull rope 35, and the bottom of the sealing block 34 on one side of the multiple buoyancy plates 40 is fixedly connected to the top of the sealing block 34 on one side of the conical buoyancy plate 41 through the second pull rope 35, and the first pull rope 25 and the second pull rope 35 are made of stainless steel; The positioning assembly is used to accurately position the gravity float 31, the multi-layer buoyancy plate 40 and the conical float 41. The gravity float 31 is kept at the top of the liquid surface by the positioning assembly when the storage tank is filled with methanol. When the storage tank is full of methanol, the gravity float 31 can automatically slide down to the top of the methanol by releasing the restriction of the positioning assembly on the gravity float 31, and begin to apply continuous compression pressure to the methanol. This design avoids the phenomenon of the gravity float 31 being retained on the top of the methanol, thereby ensuring the smooth output of the methanol. At the same time, through the protection box 7, retention cylinder 8, air bag 10 and upper and lower blocks 24, when the methanol inside the storage tank reaches the overflow point, part of the methanol will flow into the retention cylinder 8 through the overflow pipe 6, driving the air bag 10 to rise, and thereby The triangular plate 12 is driven to lift the upper clamping block 23, and the limit on the first pull rope 25 is released. At this time, the gravity floating plate 31 is released from the limit and begins to compress the methanol. Through this automatic release design, it is ensured that when the storage tank is fully loaded, the gravity floating plate 31 can quickly enter the working state, thereby improving the automation level of methanol output. At the same time, through the first pull rope 25 and the second pull rope 35, when the methanol is fully output, the gravity floating plate 31 can be lifted by pulling the first pull rope 25, and the traction force of the pull rope is transmitted to the multi-layer buoyancy plate 40, so that it is reset upward layer by layer, and the buoyancy plate 40 and the conical floating plate 41 are gradually pulled back to the initial position through the second pull rope 35. At the same time, multiple positioning bolts 38 will be inserted into the positioning holes 3 on the center rod 30. 9, the gravity floating plate 31, the multi-layer buoyancy plate 40 and the conical floating plate 41 are fixed in the initial position. This design is convenient for ensuring that the floating plate assembly is in the best position when it is used next time, which is conducive to the reuse and maintenance of the storage tank. At the same time, a plurality of sealing rings 32 are connected to the inner sliding connection of the central rod 30. The sizes of these sealing rings 32 match the internal space of the central rod 30 and are connected to the gravity floating plate 31, the buoyancy plate 40 and the conical floating plate 41. This structure effectively prevents the possibility of methanol overflowing along the inner part of the central rod 30 during the compression process, and ensures the sealing and safety of methanol inside the storage tank. The combined design of the sealing ring 32 and the floating plate also helps to maintain the hydraulic stability inside the storage tank when the compression force is applied, avoiding leakage. The problem of affecting the output pressure, and at the same time, by setting the sealing block 34 inside the positioning box 33, the problem of methanol passing through the floating plate from the inside of the positioning box 33 can also be avoided. At the same time, by setting the material of the first pull rope 25 and the second pull rope 35 to be stainless steel, the corrosion of methanol to the rope can be avoided, so that the rope can be used for a long time. When positioning the multi-layer buoyancy plate 40 and the conical float plate 41, when all the methanol inside the storage tank 1 is output, the gravity float plate 31, the buoyancy plate 40 and the conical float plate 41 will be stacked at the bottom of the storage tank 1. At this time, by pulling the first pull rope 25, the first pull rope 25 pulls the sealing block 34 to move upward, and at the same time, the sealing block 34 drives the gravity float plate 31 to move upward.At this time, the gravity floating plate 31 will pull the buoyancy plate 40 at the top of the multi-layer buoyancy plate 40 upward through the second pull rope 35, and at the same time, the multi-layer buoyancy plate 40 will gradually pull the buoyancy plate 40 at the bottom layer upward through the second pull rope 35, and at the same time, the buoyancy plate 40 at the bottom layer will pull the conical floating plate 41 upward. At the same time, when the gravity floating plate 31, the buoyancy plate 40 and the conical floating plate 41 move upward, since multiple sealing rings 32 are respectively connected to the buoyancy plate 40 and the conical floating plate 41, when the gravity floating plate 31, the buoyancy plate 40 and the conical floating plate 41 move upward, the sealing ring 32 will drive the positioning cylinder 36 to move upward. At this time, when the buoyancy plate 40 and the conical floating plate 41 When the positioning tube 36 on the top of the sealing ring 32 on one side is aligned with the positioning holes 39 at different positions, the positioning bolt 38 automatically rebounds through the action of the positioning spring 37, thereby prompting the positioning bolt 38 to be stuck in the interior of the positioning hole 39, thereby prompting the multi-layer buoyancy plate 40 and the conical buoyancy plate 41 to be positioned at positions of different heights, thereby prompting the positions of the multiple buoyancy plates 40 and the conical buoyancy plate 41 to be fixed. At the same time, by setting the multiple positioning holes 39 at different lateral positions, the problem of mutual blocking of the conical buoyancy plate 41 and the multiple buoyancy plates 40 during the positioning process can be avoided, thereby prompting the multiple buoyancy plates 40 and the conical buoyancy plate 41 to be positioned at corresponding positions, thereby facilitating the later use.

[0026] like Figures 2 to 12As shown, the inner wall of the protection box 7 is fixedly connected with a positioning block 17, and the interior of the positioning block 17 is slidably connected with a push rod 14, and one end of the push rod 14 passing through the positioning block 17 is rotatably connected to a lever plate 19 through an axis, and one side of the middle of the lever plate 19 is rotatably connected to a fixed block 18, and the other side of the fixed block 18 is fixedly connected to the inner wall of the protection box 7, and the end of the lever plate 19 away from the push rod 14 is fixedly connected to a connecting block 20, and the interior of the connecting block 20 is rotatably connected to an arc plate 21, and one side of the middle of the arc plate 21 is fixedly connected to a positioning shaft 22, and the other end of the positioning shaft 22 is rotatably connected to the inner wall of the protection box 7, and the end of the arc plate 21 away from the connecting block 20 is rotatably connected to an upper clamping block 23, and one side of the bottom of the interior of the protection box 7 A lower clamping block 24 is fixedly connected, and the position of the lower clamping block 24 corresponds to the position of the upper clamping block 23, and a ratchet groove is provided on one side of the upper clamping block 23 corresponding to the lower clamping block 24. The outer part of the first pull rope 25 away from the gravity floating plate 31 is burred, and the burred end of the first pull rope 25 passes through between the upper clamping block 23 and the lower clamping block 24. The end of the push rod 14 away from the lever plate 19 is connected to the roller 16 through an axis rotation, and the outer sleeve of the push rod 14 is provided with an extrusion spring 15, one end of the extrusion spring 15 is fixedly connected to the outer part of the end of the push rod 14 away from the positioning block 17, and the other end of the extrusion spring 15 is fixedly connected to one side of the positioning block 17. A slide groove 13 is provided on the inner wall of the protective box 7, and a triangular plate 12 is slidably clamped inside the slide groove 13. One side of the triangular plate 12 is opened in an arc shape, and the outside of the roller 16 contacts the arc-shaped side of the triangular plate 12. The bottom of the triangular plate 12 is fixedly connected with a connecting rod 11, and the bottom end of the connecting rod 11 passes through the top of the storage tube 8 and is fixedly connected with an air bag 10. One side of the top of the storage tank 1 is connected with an overflow pipe 6, and the output end of the overflow pipe 6 is connected to the inside of the top of the storage tube 8. The bottom of the storage tube 8 is connected with an output pipe, and the bottom of the output pipe is threadedly connected with a threaded cap. The height of the input end of the overflow pipe 6 is lower than the height of the output end of the feed pipe 2, and the height of the input end of the overflow pipe 6 is higher than the height of the buoyancy plate 40. The height of the gravity buoy 31 at the top of the storage tank 1 is higher than the height of the output end of the feed pipe 2 and the input end of the overflow pipe 6. The upper clamping block 23 and the lower clamping block When the block 24 clamps the first pull rope 25, the gravity float 31 is at the top inside the storage tank 1 and the extrusion spring 15 is in a taut state. When the first pull rope 25 is released from the limit, the position of the gravity float 31 is just on one side of the output end of the feed pipe 2 and the input end of the overflow pipe 6. A first positioning disk 26 is fixedly connected to one side of the fixed plate 9. The position of the rope winding roller 27 corresponds to the position of the first positioning disk 26. One end of the rope winding roller 27 is fixedly connected to the first rotating wheel 28 through an axis. The first plug rod 29 is slidably connected to the inside of the first rotating wheel 28. A fixing hole is provided on one side of the first positioning disk 26. The position of the first plug rod 29 corresponds to the position of the fixing hole. When the first plug rod 29 is inserted into the fixing hole, the gravity float 31 is at the top inside the storage tank 1. By means of the airbag 10, the upper clamping block 23 and the lower clamping block 24, when the position of the gravity float 31 is positioned, the first rotating wheel 28 is rotated to prompt the rope winding roller 27 to reel in one end of the first pull rope 25. At this time, the other end of the first pull rope 25 will pull the gravity float 31 to move upward. When the gravity float 31 moves to the top of the storage tank 1, the first plug rod 29 is passed through the first rotating wheel 28 and connected to the fixing hole on one side of the first positioning disk 26, thereby prompting the position of the rope winding roller 27 to be fixed. At the same time, the position of the gravity float 31 is fixed. Later, in order to replenish methanol in the storage tank 1, when methanol is filled in the storage tank 1, the gravity float 31 can automatically move to the top of the methanol liquid surface to squeeze the methanol. By setting the interior of the storage cylinder 8 in a methanol storage state, the output pipe at the bottom of the storage cylinder 8 is opened to force the methanol to flow out of the interior of the storage cylinder 8. At this time, the airbag 10 lacks buoyancy, causing the extrusion spring 15 to automatically rebound. At this time, one end of the push rod 14 pushes the roller 16 to slide on one side of the triangular plate 12, causing the triangular plate 12 to move downward with the connecting rod 11. At the same time, the other end of the push rod 14 pulls the lever plate 19 to move toward one side of the triangular plate 12. At this time, through the principle of leverage, the other end of the lever plate 19 will move downward with the arc plate 21. At this time, by setting the shape of the arc plate 21 to be arc-shaped, the other end of the arc plate 21 will move downward with the upper clamping block 23, thereby causing the bottom of the upper clamping block 23 to move to the top of the lower clamping block 24. The upper and lower clamping blocks 23 and 24 are moved, thereby causing the upper clamping block 23 and the lower clamping block 24 to clamp the end of the first pull rope 25 with the burrs. At this time, the first plug rod 29 is pulled out to release the limit of the first pull rope 25 by the rope roller 27, and the first pull rope 25 is limited by the upper and lower clamping blocks 23 and 24, so that the first pull rope 25 is clamped by the upper and lower clamping blocks 23 and 24 to keep the position of the gravity float 31 unchanged. At this time, methanol is added to the interior of the storage tank 1 through the feeding pipe 2, and then the methanol passes through the interior of multiple buoyancy plates 40 and the conical float 41 respectively, so that the interior of the storage tank 1 is gradually filled with methanol. At this time, when the methanol is filled to the top of the interior of the storage tank 1, that is, on the side of the input end of the overflow pipe 6, the methanol will flow out from the inside of the overflow pipe 6. Input into the interior of the storage cylinder 8. At this time, when the methanol inside the storage cylinder 8 is filled to the top, it will push the airbag 10 to move downward, thereby prompting the airbag 10 to slide on one side of the slide groove 13 with the triangular plate 12 through the connecting rod 11. At this time, by setting one side of the triangular plate 12 in an arc shape, the triangular plate 12 slides against one side of the roller 16 while moving upward, and one end of the push rod 14 will move away from the end of the triangular plate 12, while squeezing the squeezing spring 15. At this time, the other end of the push rod 14 will bring one end of the lever plate 19 away from one side of the positioning block 17, and at the same time, the other end of the lever plate 19 pulls one end of the arc plate 21 to move, and at this time, the other end of the arc plate 21 will move upward with the upper block 23.This will cause the upper clamping block 23 to disengage from the lower clamping block 24. At this time, the limit of the first pull rope 25 is released, and the gravity float 31 moves downward by gravity and moves to the top of the methanol liquid level, thereby causing the gravity float 31 to squeeze the top of the methanol liquid level. At the same time, the gravity float 31 will move to the output end of the feed pipe 2 and one side of the input end of the overflow pipe 6, thereby causing the gravity float 31 to block the output port of the feed pipe 2 and the input port of the overflow pipe 6, thereby avoiding the problem of methanol flowing out of the opening when methanol is used later. Through this automatic release design, it is ensured that the tank is fully loaded. The gravity floating plate 31 can quickly enter the working state, which improves the automation level of methanol output. At the same time, by setting the upper clamping block 23 and the lower clamping block 24 on the side corresponding to each other with a ratchet groove, and the first pull rope 25 is opened in a burr shape on the outside of the end away from the gravity floating plate 31, the friction between the upper clamping block 23, the lower clamping block 24 and the first pull rope 25 is increased, thereby making the upper clamping block 23 and the lower clamping block 24 clamp the first pull rope 25 more firmly. It should be noted that in actual use, the force of the extrusion spring 15 is greater than the gravity of the gravity floating plate 31, and the buoyancy of the airbag 10 is greater than the force of the extrusion spring 15.

[0027] like Figures 8 to 9 As shown, the adjustment component includes an adjustment cylinder 4 connected to the bottom of the conical cylinder 3, the bottom of the adjustment cylinder 4 has a plurality of fixed rods 54 fixedly connected in an annular shape inside, and a central block 55 is fixedly connected to one end of the plurality of fixed rods 54 away from the adjustment cylinder 4, and the central block 55 is located in the middle of the adjustment cylinder 4, and the outer portion of the central block 55 is annular and connected to a plurality of adjustment plates 53 through an axis rotation, and the shape of the adjustment plate 53 is triangular, and a plurality of adjustment plates 53 are fixedly connected to one end of the plurality of adjustment plates 53 away from the central block 55 with a connecting shaft 52, and an end of the connecting shaft 52 away from the adjusting plate 53 passes through the side wall of the adjustment cylinder 4 and is fixedly connected to a connecting plate 51, and a push rod 50 is rotatably connected to one side of the bottom of the connecting plate 51 through an axis, and the plurality of connecting plates 51 are rotatably connected to each other through the push rod 50, and the adjustment cylinder 4 is rotatably connected with a rotating shaft 48, and a linkage plate 49 is fixedly connected to the outside of the rotating shaft 48. One side of the bottom of the linkage plate 49 is rotatably connected to the initial end push rod 50 and one end of the terminal push rod 50 through an axis. The outer shape of the multiple adjustment plates 53 when parallel to the adjustment cylinder 4 is circular. A support frame 47 is fixedly connected to one side of the adjustment cylinder 4. A second positioning disk 46 is fixedly connected to one side of the support frame 47. The end of the rotating shaft 48 away from the adjustment cylinder 4 passes through the middle of the second positioning disk 46 and is fixedly connected to the second rotating wheel 44. A second plug rod 45 is slidably connected to the inside of the second rotating wheel 44. One side of the second positioning disk 46 is annularly provided with multiple adjustment holes. The position of the second plug rod 45 corresponds to the position of the multiple adjustment holes. The bottom of the output cylinder 5 is connected with a switch valve. By setting the adjustment component, the output flow rate of methanol can be accurately controlled. A plurality of fixed rods 54 and an adjustable adjustment plate 53 are set in the adjustment cylinder 4. Through the linkage mechanism of the adjustment plate 53, the push rod 50 and the linkage plate 49, the adjustment component can finely adjust the output flow rate of methanol according to the needs to meet the flow requirements in different usage scenarios. At the same time, by setting the adjustment plate 53 in a triangular design, the flow rate of methanol can be adjusted at different angles to make its output more flexible. When outputting methanol for use, first open the switch valve at the bottom of the output cylinder 5 to cause the methanol inside the storage tank 1 to flow out from the bottom end of the output cylinder 5. Then, when adjusting the output flow rate, first rotate the second rotor 44 to cause the second rotor 44 to move with the rotating shaft 48 on one side of the adjustment cylinder 4. Rotate, then the rotating shaft 48 will rotate with the connecting plate 49, and at the same time, the bottom end of the connecting plate 49 will push the pushing rod 50 to move, and at the same time, the other end of the pushing rod 50 will push the bottom end of the connecting plate 51 to move, and at this time, by setting the connecting plate 51 to be fixedly connected with the connecting shaft 52, the connecting plate 51 will rotate with the connecting shaft 52, thereby prompting the multiple connecting shafts 52 to rotate with the adjusting plate 53 outside the central block 55, and at this time, when the distance between the opposite sides of the multiple connecting shafts 52 becomes smaller, the methanol flow output from the inside of the adjusting cylinder 4 will become smaller, and at the same time, when the distance between the opposite sides of the multiple connecting shafts 52 becomes larger, the methanol flow output from the inside of the adjusting cylinder 4 will become larger, thereby achieving the effect of adjusting the methanol output flow rate.

[0028] like Figures 8 to 10 As shown, the bottom of the regulating cylinder 4 is connected to the output cylinder 5, the middle of the output cylinder 5 is fixedly connected to a center column 56, the outside of the center column 56 is fixedly connected to a spiral plate 57, and the side of the plurality of spiral plates 57 away from the center column 56 is fixedly connected to the inner wall of the output cylinder 5; The spiral plate 57 is provided with a spiral structure which can effectively guide the methanol to flow toward the outlet, thereby evenly distributing the liquid. The design of the spiral plate 57 can alleviate the influence of the hull shaking on the flow velocity during the output process, so that the methanol maintains a uniform flow when flowing toward the outlet, thereby avoiding the problem of sudden increase or decrease in flow rate. Combined with the control of the regulating component, the smooth output of the methanol flow can be achieved in actual operation, thereby ensuring the reliability and safety of the marine methanol fuel storage tank. When methanol is output from the inside of the regulating cylinder 4, it will flow out to the inside of the output cylinder 5 in a multi-channel swirl along the guidance of multiple spiral plates 57, and will be diverted by being arranged at the top of the output cylinder 5, thereby ensuring that the methanol flow will not be affected by the hull shaking, thereby ensuring that the methanol is stably concentrated at the bottom of the output cylinder 5 for outflow.

[0029] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A marine methanol fuel storage tank, comprising a storage tank (1), characterized in that: The bottom of the storage tank (1) is connected to a conical cylinder (3), one side of the top of the storage tank (1) is connected to a feed pipe (2), one side of the storage tank (1) is fixedly connected to a protection box (7), the bottom of the protection box (7) is fixedly connected to a storage cylinder (8), and a stabilizing component for stabilizing the output of methanol is arranged inside the storage tank (1), the stabilizing component comprises a center rod (30) fixedly connected to the middle of the storage tank (1), the top of the center rod (30) is fixedly connected to the top of the storage tank (1), the top of the center rod (30) is externally slidably connected to a gravity floating plate (31), the middle of the center rod (30) is externally slidably connected to a plurality of buoyancy plates (40), and the bottom of the center rod (30) is externally slidably connected to a conical floating plate (41); The storage tank (1) is provided with a positioning assembly for positioning and returning the gravity floating plate (31), the buoyancy plate (40) and the conical floating plate (41) inside and outside, the positioning assembly comprising a first pull rope (25) installed on the top of the gravity floating plate (31) and a positioning bolt (38) installed inside the center rod (30), one side of the bottom of the protection box (7) is fixedly connected to a fixing plate (9), one side of the fixing plate (9) is rotatably connected to a rope winding roller (27) via an axis, and one end of the first pull rope (25) away from the gravity floating plate (31) passes through a plurality of pulleys and passes through the inside of the protection box (7) and is wound around the outside of the rope winding roller (27); An adjusting component is installed at the bottom of the conical cylinder (3), and the adjusting component is used to adjust the flow rate of methanol output.

2. A marine methanol fuel storage tank according to claim 1, characterized in that: The outer walls of the gravity floating plate (31), the buoyancy plate (40) and the outer wall of the top of the conical floating plate (41) are in contact with the inner wall of the storage tank (1); the buoyancy plate (40) and the conical floating plate (41) are provided with a plurality of holes inside; a plurality of air cylinders (42) are fixedly connected inside the gravity floating plate (31); a plurality of alignment blocks (43) are fixedly connected to the bottom of the gravity floating plate (31); the alignment blocks (43) are cylindrical in shape; the positions of the alignment blocks (43) correspond to the positions of the holes inside the buoyancy plate (40); the conical floating plate (41) and the conical cylinder (3) are both conical in shape; the specifications and dimensions of the conical floating plate (41) are compatible with the specifications and dimensions of the conical cylinder (3).

3. A marine methanol fuel storage tank according to claim 1, characterized in that: A plurality of sealing rings (32) are slidably connected to the interior of the center rod (30), and the specifications and dimensions of the sealing rings (32) are compatible with the specifications and dimensions of the interior space of the center rod (30). A connecting groove (58) is provided on the side wall of the center rod (30), and one side of the plurality of sealing rings (32) penetrates the interior of the connecting groove (58) and is fixedly connected to the gravity floating plate (31), the buoyancy plate (40), and one side of the top of the conical floating plate (41), respectively.

4. A marine methanol fuel storage tank according to claim 3, characterized in that: A plurality of positioning holes (39) are provided on the side wall of the center rod (30), and the plurality of positioning holes (39) are vertically equidistantly provided at the top, middle and bottom of the center rod (30), and the plurality of positioning holes (39) are horizontally located at different positions. The tops of the sealing rings (32) corresponding to the buoyancy plates (40) and the conical floating plates (41) are respectively fixedly connected with positioning cylinders (36), one end of the interior of the positioning cylinder (36) is fixedly connected with a positioning spring (37), one end of the positioning cylinder (36) is slidably connected with a positioning bolt (38), one end of the positioning spring (37) away from the positioning cylinder (36) is fixedly connected with one end of the positioning bolt (38), and one end of the plurality of positioning bolts (38) away from the positioning cylinder (36) is respectively connected with the interior of the plurality of positioning holes (39).

5. A marine methanol fuel storage tank according to claim 4, characterized in that: A positioning box (33) is fixedly connected to one side of the center rod (30), and a plurality of sealing blocks (34) are slidably connected to the interior of the positioning box (33). The specifications and dimensions of the sealing blocks (34) match the specifications and dimensions of the interior space of the positioning box (33). A movable groove is provided on one side of the positioning box (33), and one side of the plurality of sealing blocks (34) penetrates the interior of the movable groove and is respectively fixedly connected to the gravity floating plate (31), the buoyancy plate (40) and one side of the top of the conical floating plate (41). One end of the first pull rope (25) away from the rope winding roller (27) is connected to the gravity floating plate (31), and the top of the sealing block (34) is fixedly connected to the gravity floating plate (31). The plurality of buoyancy plates (40) are fixedly connected to each other by a second pull rope (35) corresponding to the sealing blocks (34); the top of the sealing block (34) on one side of the buoyancy plate (40) at the top is fixedly connected to the bottom of the sealing block (34) on one side of the gravity buoyancy plate (31) through the second pull rope (35); the bottom of the sealing block (34) on one side of the buoyancy plate (40) at the bottom is fixedly connected to the top of the sealing block (34) on one side of the conical buoyancy plate (41) through the second pull rope (35); the first pull rope (25) and the second pull rope (35) are made of stainless steel.

6. A marine methanol fuel storage tank according to claim 1, characterized in that: The inner wall of the protection box (7) is fixedly connected to a positioning block (17), the interior of the positioning block (17) is slidably connected to a push rod (14), one end of the push rod (14) passing through the positioning block (17) is rotatably connected to a lever plate (19) via an axis, one side of the middle of the lever plate (19) is rotatably connected to a fixed block (18), the other side of the fixed block (18) is fixedly connected to the inner wall of the protection box (7), one end of the lever plate (19) away from the push rod (14) is fixedly connected to a connecting block (20), the interior of the connecting block (20) is rotatably connected to an arc plate (21), one side of the middle of the arc plate (21) is fixedly connected to A positioning shaft (22), the other end of the positioning shaft (22) is rotatably connected to the inner wall of the protection box (7), one end of the arc plate (21) away from the connection block (20) is rotatably connected to an upper clamping block (23) via an axis, one side of the bottom of the protection box (7) is fixedly connected to a lower clamping block (24), the position of the lower clamping block (24) corresponds to the position of the upper clamping block (23), and a ratchet groove is provided on one side of the upper clamping block (23) corresponding to the lower clamping block (24), the outer portion of the end of the first pull rope (25) away from the gravity floating plate (31) is burred, and the burred end of the first pull rope (25) passes between the upper clamping block (23) and the lower clamping block (24).

7. A marine methanol fuel storage tank according to claim 6, characterized in that: The end of the push rod (14) away from the lever plate (19) is rotatably connected to the roller (16) through an axis, and the outer sleeve of the push rod (14) is provided with an extrusion spring (15), one end of the extrusion spring (15) is fixedly connected to the outer side of the end of the push rod (14) away from the positioning block (17), and the other end of the extrusion spring (15) is fixedly connected to one side of the positioning block (17). The inner wall of the protection box (7) is provided with a slide groove (13), and the inner sliding clamp of the slide groove (13) is connected with a triangular plate (12), one side of the triangular plate (12) is opened in an arc shape, and the outer side of the roller (16) contacts the arc-shaped side of the triangular plate (12), and the bottom of the triangular plate (12) is fixedly connected to a connecting rod (11), and the bottom end of the connecting rod (11) passes through the top of the storage cylinder (8) and is fixedly connected to an air bag (10), and one side of the top of the storage tank (1) is connected to an overflow The overflow pipe (6) is connected to the top of the storage tube (8), the bottom of the storage tube (8) is connected to the output pipe, the bottom of the output pipe is threadedly connected to a threaded cap, the height of the input end of the overflow pipe (6) is lower than the height of the output end of the feed pipe (2), and the height of the input end of the overflow pipe (6) is higher than the height of the buoyancy plate (40), the height of the gravity floating plate (31) when located at the top of the storage tank (1) is higher than the height of the output end of the feed pipe (2) and the input end of the overflow pipe (6), when the upper clamping block (23) and the lower clamping block (24) clamp the first pull rope (25), the gravity floating plate (31) is at the top of the storage tank (1) and the extrusion spring (15) is in a taut state, and when the first pull rope (25) is released from the limit, the position of the gravity floating plate (31) is exactly on one side of the output end of the feed pipe (2) and the input end of the overflow pipe (6).

8. A marine methanol fuel storage tank according to claim 7, characterized in that: A first positioning disk (26) is fixedly connected to one side of the fixing plate (9), the position of the rope winding roller (27) corresponds to the position of the first positioning disk (26), one end of the rope winding roller (27) is fixedly connected to a first rotating wheel (28) via a shaft, a first insertion rod (29) is slidably connected inside the first rotating wheel (28), a fixing hole is opened on one side of the first positioning disk (26), the position of the first insertion rod (29) corresponds to the position of the fixing hole, and when the first insertion rod (29) is inserted into the fixing hole, the gravity floating plate (31) is located at the top of the storage tank (1).

9. A marine methanol fuel storage tank according to claim 1, characterized in that: The adjustment assembly comprises an adjustment cylinder (4) connected to the bottom of the conical cylinder (3); the bottom of the adjustment cylinder (4) is internally annularly fixedly connected to a plurality of fixing rods (54); one end of the plurality of fixing rods (54) away from the adjustment cylinder (4) is fixedly connected to a center block (55); the center block (55) is located in the middle of the adjustment cylinder (4); the outside of the center block (55) is annularly connected to a plurality of adjustment plates (53) via an axis; the adjustment plates (53) are triangular in shape; one end of the plurality of adjustment plates (53) away from the center block (55) is fixedly connected to a connecting shaft (52); one end of the connecting shaft (52) away from the adjusting plate (53) passes through the side wall of the adjustment cylinder (4) and is fixedly connected to a connecting plate (51); one side of the bottom of the connecting plate (51) is rotatably connected to a push rod (50) via an axis; and the plurality of connecting plates (51) are rotatably connected to each other via the push rod (50). The adjusting cylinder (4) is connected with a rotating shaft (48) on one side thereof, the rotating shaft (48) is fixedly connected with a linkage plate (49) on the outside, one side of the bottom of the linkage plate (49) is rotatably connected with an initial end push rod (50) and one end of a terminal push rod (50) through a shaft, the outer shape of the plurality of adjusting plates (53) when parallel to the adjusting cylinder (4) is circular, the adjusting cylinder (4) is fixedly connected with a support frame (47) on one side thereof, the support frame (47) is fixedly connected with a second positioning disk (46) on one side thereof, the rotating shaft (48) on one end thereof away from the adjusting cylinder (4) passes through the middle of the second positioning disk (46) and is fixedly connected with a second rotating wheel (44), the second rotating wheel (44) is slidably connected with a second insertion rod (45) on the inside thereof, a plurality of adjusting holes are provided in an annular shape on one side of the second positioning disk (46), and the position of the second insertion rod (45) corresponds to the position of the plurality of adjusting holes.

10. A marine methanol fuel storage tank according to claim 9, characterized in that: The bottom of the regulating cylinder (4) is connected to the output cylinder (5), the middle of the output cylinder (5) is fixedly connected to a central column (56), the outside of the central column (56) is fixedly connected to a spiral plate (57), a side of the plurality of spiral plates (57) away from the central column (56) is fixedly connected to the inner wall of the output cylinder (5), and the bottom of the output cylinder (5) is connected to a switch valve.

Images