A type of underwater gate for ships navigating ice-covered areas

Abstract

This utility model discloses a seagate for ships navigating in ice-covered areas, belonging to the technical field of ship seagates. It includes an outer frame with a fence on the front side, a water intake pipe on one side of the outer frame, and a water return pipe on the other side. Two sets of support frames are fixedly connected to one side of the inner wall of the outer frame, and a three-way pipe is connected to the two sets of support frames. The water return pipe, water intake pipe, and two ends of the three-way pipe are coaxially arranged, with gaps between the two ends of the three-way pipe and the water return pipe and water intake pipe, respectively. This utility model, through the gap design between the three-way pipe and the water return pipe and water intake pipe, allows for controllable mixing of the waste heat from the return water and the low-temperature seawater during the flow process, effectively improving anti-icing performance—the waste heat maintains the pipe temperature to inhibit ice crystal formation, while avoiding the thermal efficiency loss of traditional structures.

Description

Technical Field

[0001] This utility model relates to the field of marine subsea gate technology, specifically a subsea gate for ships navigating in ice-covered areas. Background Technology

[0002] The seagate is an important component of a ship's seawater ballast system, primarily used for seawater intake and discharge. Specific functions include seawater intake and supply, introducing seawater into the ship's ballast tanks, cooling system, fire suppression system, etc., ensuring normal equipment operation. High-level seagates are used in harbors or shallow water navigation to prevent the intake of silt, while low-level seagates are used in the ocean or lightly loaded navigation to reduce air intake. It also serves for antifouling and maintenance; the seagate grille prevents marine organisms and debris from adhering, facilitating regular cleaning, and also prevents large obstacles (such as reefs and shipwreck debris) from colliding with the hull, ensuring navigational safety.

[0003] The above-mentioned technical conditions still have shortcomings: the seawater in the existing ship's seagate enters directly. When the seawater temperature is low, other heating devices are needed to heat the seagate in the ice zone in order to ensure seawater intake.

[0004] Based on this, this utility model designs a seagate for ships navigating in ice-covered areas to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a submarine door for ships navigating in ice-covered areas, in order to solve the aforementioned technical problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sea gate for ships navigating in ice-covered areas, comprising an outer frame, a fence on the front side of the outer frame, a water intake pipe on one side of the outer frame, a water return pipe on the other side of the outer frame, two sets of support frames fixedly connected to one side of the inner wall of the outer frame, and a three-way pipe connected to the two sets of support frames. The water return pipe, the water intake pipe, and the two ends of the three-way pipe are coaxially arranged, and there are gaps between the two ends of the three-way pipe and the water return pipe and the water intake pipe, respectively.

[0007] By adopting the above technical solution, the gap between the tee pipe and the return water pipe and the intake water pipe is set to allow seawater to mix with the residual heat of the return water, preventing ice crystals from forming and blocking the pipe. At the same time, the support frame fixes the tee pipe to ensure structural stability.

[0008] Preferably, the three-way pipe includes a long pipe and a short pipe, with an outlet end and an inlet end provided on one side of the long pipe.

[0009] By adopting the above technical solution, the water flow path at the outlet and inlet ends is optimized, reducing pressure loss.

[0010] Preferably, the interior of the long pipe and the short pipe is further provided with a partition plate, which is right-angled and separates the water inlet end and the interior space of the short pipe into two independent chambers.

[0011] Preferably, the partition plate is located at the middle position inside the water inlet end.

[0012] Preferably, the partition plate is located on the inner side of the water inlet end, near the short pipe.

[0013] Preferably, the partition plate is located inside the water inlet end, away from the short pipe.

[0014] By adopting the above technical solution, the right-angled partition plate divides the chamber into independent spaces, ensuring that the hot and cold water flows do not interfere with each other and improving the mixing uniformity.

[0015] Preferably, a conical pressure-boosting sleeve is connected to the water intake pipe inside the outer frame.

[0016] By adopting the above technical solution, the conical pressure-boosting sleeve increases the water intake cross-sectional area of ​​the water intake pipe, accelerates the intake of seawater, and prevents low-speed water flow from freezing.

[0017] In summary, this application has the following beneficial technical effects: The gap design between the three-way pipe and the return and intake pipes allows for controllable mixing of the waste heat from the return water and the low-temperature seawater during flow, effectively improving anti-icing performance—the waste heat maintains the pipe temperature, inhibiting ice crystal formation while avoiding the thermal efficiency loss of traditional structures; the adjustable position design of the partition plate further optimizes the adaptability of the hot and cold water mixing ratio, allowing users to flexibly adjust the chamber space allocation according to ice density differences (the near-short pipe emphasizes hot water dominance / the far-short pipe emphasizes cold water supplementation / central balance), significantly enhancing the ability to cope with different sea conditions; the hydrodynamic structure of the conical pressurization sleeve increases the rate of change of the intake pipe's cross-sectional area, accelerating the seawater intake speed through the Venturi effect, reducing the risk of localized icing, and extending the equipment maintenance cycle in conjunction with the physical isolation function of the fence. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0020] Figure 2 This is a top view illustrating the structure of this embodiment;

[0021] Figure 3 This is a schematic diagram of the three-way pipe structure in this embodiment;

[0022] Figure 4 This is a schematic diagram of the structure in this embodiment where the partition plate is located in the middle;

[0023] Figure 5 This is a schematic diagram of the structure of the partition plate near the short pipe in this embodiment;

[0024] Figure 6 This is a schematic diagram of the structure in this embodiment where the partition plate is away from the short pipe.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1. Outer frame; 2. Fence; 3. Water intake pipe; 4. Pressure booster sleeve; 5. Return water pipe; 6. Support frame; 7. T-shaped pipe; 71. Long pipe; 72. Water outlet end; 73. Water inlet end; 74. Short pipe; 75. Divider plate. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0029] A seagate for ships navigating in ice-covered areas includes an outer frame 1, which is enclosed (only a portion is shown in the figure). A fence 2 is provided on the front side of the outer frame 1 to prevent marine organisms and debris from attaching. A water intake pipe 3 is provided on one side of the outer frame 1, and a water return pipe 5 is provided on the other side of the outer frame 1. Two sets of support frames 6 are fixedly connected to one side of the inner wall of the outer frame 1. A three-way pipe 7 is connected to the two sets of support frames 6. The two ends of the water return pipe 5, the water intake pipe 3, and the three-way pipe 7 are coaxially arranged, and there are gaps between the two ends of the three-way pipe 7 and the water return pipe 5 and the water intake pipe 3, respectively.

[0030] Furthermore, the three-way pipe 7 includes a long pipe 71 and a short pipe 74. A water outlet end 72 and a water inlet end 73 are provided on one side of the long pipe 71. The long pipe 71 and the short pipe 74 are vertically connected to form a three-way connection. The cooling water with residual heat in the return water pipe 5 enters the interior of the long pipe 71 through the water inlet end 73. Then, some seawater with a lower temperature inside the outer frame 1 also enters the long pipe 71 through the short pipe 74, and then enters the water intake pipe 3 from the water outlet end 72.

[0031] Furthermore, a partition plate 75 is provided inside the long pipe 71 and the short pipe 74. The partition plate 75 is right-angled and divides the internal space of the water inlet end 73 and the short pipe 74 into two independent chambers. By adjusting the position of the partition plate 75, the spatial ratio of the two independent chambers can be adjusted, thereby adjusting the ratio of hot and cold water mixing to suit different environments.

[0032] Furthermore, refer to Figure 4 As shown, the partition plate 75 is located in the middle of the inner side of the water inlet end 73, so that the water flow from the water inlet end 73 flows through the inner and outer sides of the partition plate 75 in equal proportions.

[0033] Furthermore, refer to Figure 5 As shown, the partition plate 75 is located inside the water inlet end 73 near the short pipe 74, so that more water flowing from the water inlet end 73 flows out from the water outlet end 72.

[0034] Furthermore, refer to Figure 6 As shown, the partition plate 75 is located inside the water inlet end 73, away from the short pipe 74, so that more water flowing from the water inlet end 73 flows out from the short pipe 74.

[0035] Furthermore, a pressure-boosting sleeve 4 is connected to the water intake pipe 3 and located inside the outer frame 1. The pressure-boosting sleeve 4 is conical, with a larger diameter at the end away from the water intake pipe 3, which can increase the effect of the water intake pipe 3 in absorbing seawater.

[0036] The implementation principle of this embodiment is as follows: When navigating in ice-covered areas, the cooling water with residual heat in the return water pipe 5 enters the long pipe 71 through the inlet end 73, while the low-temperature seawater in the outer frame 1 flows into the long pipe 71 through the short pipe 74. The two mix in the three-way pipe 7, and the mixed water enters the water intake pipe 3 from the outlet end 72. The residual heat raises the water temperature to prevent freezing. The separator plate 75 can adjust the mixing ratio to adapt to different sea conditions (such as increasing the proportion of hot water in high ice areas), and the pressure booster sleeve 4 increases the water inlet flow rate and reduces the risk of ice blockage.

[0037] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sea chest for ice navigation vessels, comprising an outer frame (1), characterised in that: A fence (2) is provided on the front side of the outer frame (1). A water intake pipe (3) is provided on one side of the outer frame (1). A return water pipe (5) is provided on the other side of the outer frame (1). Two sets of support frames (6) are fixedly connected to one side of the inner wall of the outer frame (1). A three-way pipe (7) is connected to the two sets of support frames (6). The two ends of the return water pipe (5), the water intake pipe (3) and the three-way pipe (7) are coaxially arranged, and there are gaps between the two ends of the three-way pipe (7) and the return water pipe (5) and the water intake pipe (3) respectively.

2. An underwater gate for an ice-class ship according to claim 1, characterized in that: The three-way pipe (7) includes a long pipe (71) and a short pipe (74), with an outlet end (72) and an inlet end (73) provided on one side of the long pipe (71).

3. An underwater gate for an ice-class ship according to claim 2, characterized in that: The long pipe (71) and the short pipe (74) are also provided with a partition plate (75). The partition plate (75) is right-angled and divides the internal space of the water inlet end (73) and the short pipe (74) into two independent chambers.

4. An underwater gate for an ice-class ship according to claim 3, characterized in that: The partition plate (75) is located in the middle of the inner side of the water inlet end (73).

5. An underwater gate for an ice-class ship according to claim 3, characterized in that: The partition plate (75) is located inside the water inlet end (73) near the short pipe (74).

6. An underwater gate for an ice-class ship according to claim 3, characterized in that: The partition plate (75) is located inside the water inlet end (73) away from the short pipe (74).

7. An underwater gate for an ice-class ship according to claim 1, characterized in that: The water intake pipe (3) is connected to a conical pressure boosting sleeve (4) inside the outer frame (1).

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