Ice-repelling and deicing hydrophobic air intake system for ice-class ships

Abstract

The present application relates to the field of dehumidification air intake system, more particularly, to an ice region ship ice prevention and drainage dehumidification air intake system, comprising a steam inlet, a steam outlet, a drainage outlet, a negative pressure cavity, a water accumulation cavity and an ice prevention and drainage dehumidification filter; the ice prevention and drainage dehumidification filter comprises a filter outer frame, guide vanes and integrated blades, the guide vanes are arranged on the filter outer frame, and the integrated blades are arranged between adjacent guide vanes in the direction of the guide vanes; an intermediate partition plate is arranged on the integrated blade, the integrated blade is divided into a steam flow channel above the intermediate partition plate and a drainage flow channel below the intermediate partition plate by the intermediate partition plate; one end of the drainage flow channel is connected with the negative pressure cavity, and the other end is connected with the water accumulation cavity; the drainage outlet is arranged on the water accumulation cavity; one end of the steam flow channel is connected with the steam inlet, and the other end is connected with the steam outlet, which can solve the problems of ice formation, water mist removal and rapid removal of melted water simultaneously, and is simple and practical.

Description

Technical Field

[0001] This invention relates to the field of dehumidification air intake systems, and more specifically, to an anti-icing, hydrophobic, and dehumidification air intake system for ships in ice-covered areas. Background Technology

[0002] Ships sailing in ice-covered areas often encounter cold and damp weather during their voyages. In such conditions, the air contains a large amount of water vapor, and the cold air enters the ship's interior through the air intakes, such as the ventilation system and the engine air intake system. As a result, ice and blockages may occur at the ship's air intakes.

[0003] The existing strategy is to add a heating system to the air intake to prevent it from freezing and clogging. In current technology, this is usually achieved by adding an electric heating wire to the air intake grille or adding a steam heating device inside the air intake duct.

[0004] For example, patent 1: CN202211390326.0 uses a fish-scale blade with steam heating to realize the heating device of the louver, thereby avoiding icing. It is mainly used for the air intake louvers of gas turbines and diesel engines of marine power units. Its visible disadvantages are that the flow channel is complex, the air intake resistance is too large, and there is no humidification function.

[0005] For example, patent 2: CN212225057U describes an anti-freezing electric heat-tracing louver that uses an electric heat-tracing wire to heat and defrost the louver.

[0006] For example, patent 3: CN113417553A is another type of anti-freezing electric heat-tracing louver, which uses electric heat tracing wires to heat and defrost the louver.

[0007] For example, patent 4: CN116085115A is a marine louver and a low-temperature anti-icing system using the louver. It is simply a device that heats the louver with steam. A filter device for removing water vapor and salt spray needs to be installed behind the louver.

[0008] The above patents all use electric heating for de-icing or steam heating for de-icing, but they do not solve the problem of rapid removal of ice after it melts. As a result, the outlet is still prone to icing and blockage, which affects the function of the subsequent water vapor and smoke filtration device. Therefore, it is necessary to propose an anti-icing, water-repellent, dehumidifying air intake system for ships in ice-covered areas that solves the above problems. Summary of the Invention

[0009] To overcome at least one of the defects (deficiencies) of the prior art described above, the present invention provides an anti-icing, hydrophobic, and dehumidifying air intake system for ships in ice-covered areas.

[0010] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows: an anti-icing, water-repellent, and dehumidifying air intake system for ships in ice-covered areas, comprising a steam inlet, a steam outlet, a drain outlet, a negative pressure chamber, a water accumulation chamber, and an anti-icing, water-repellent, and dehumidifying filter; The anti-icing, hydrophobic, and dehumidifying filter includes a filter frame, guide vanes, and integrated blades. The guide vanes are disposed on the filter frame, and the integrated blades are disposed between adjacent guide vanes along the direction of the guide vanes. The integrated blade is provided with a middle partition, which divides the integrated blade into a steam flow channel located above the middle partition and a drainage flow channel located below the middle partition. One end of the drainage channel is connected to the negative pressure chamber, and the other end is connected to the water accumulation chamber. The drain outlet is located on the water accumulation chamber. One end of the steam flow channel is connected to the steam inlet, and the other end is connected to the steam outlet. When cold and humid air enters the outer frame of the filter, it is guided by the guide vanes and the moisture capture and heating effect of the integrated blades. The moisture in the air is discharged after entering the drainage channel. At the same time, the channel is heated by steam to prevent icing. With this setting, compared with the existing technology, it can solve the problems of icing, water mist removal, and quick removal of melted water at the same time. It is simple and practical.

[0011] Furthermore, the bottom outer side of the drainage channel is provided with water-blocking teeth, and the drainage channel between adjacent water-blocking teeth is provided with a connecting hole that communicates with the water accumulation chamber. By setting the water-blocking teeth, the collected droplets can be guided to prevent them from being blown away again, so that they can flow downward smoothly and accumulate to form a liquid confluence.

[0012] Furthermore, the connecting hole is teardrop-shaped. The principle of using a teardrop-shaped connecting hole is that when water mist passes through the guide plate and integrated blade for inertial capture, water mist particles in the air will be captured. The gradually narrowing gap above the teardrop-shaped connecting hole increases the ability to capture tiny droplets.

[0013] Furthermore, the negative pressure chamber is provided with a negative pressure port, and a back pressure fan is provided outside the negative pressure port. In practical applications, a vacuum pressure sensor can also be installed at the negative pressure port. By setting up the vacuum pressure sensor and the back pressure fan, the negative pressure level of the negative pressure chamber can be adjusted, which is simple and practical.

[0014] Furthermore, it also includes a control cabinet, on which a control valve is provided. The control cabinet is connected to the control valve and the back pressure fan respectively. By controlling the control valve and the back pressure fan through the control cabinet, the opening and closing angle of the control valve and the rotation speed of the back pressure fan can be adjusted by monitoring the vacuum degree of the "negative pressure chamber", thereby controlling the airflow suction capacity in the "drainage channel".

[0015] Furthermore, a drain pump is provided on the drain outlet, which allows the liquid in the water accumulation chamber to be discharged from the drain outlet more quickly.

[0016] Furthermore, there is at least one anti-icing, hydrophobic, and dehumidifying filter. When there are multiple anti-icing, hydrophobic, and dehumidifying filters, adjacent filters are seamlessly connected. Since the holes and connections on the anti-icing, hydrophobic, and dehumidifying filters are corresponding, the number of filters used can be set according to the needs of practical application. In addition, since the anti-icing, hydrophobic, and dehumidifying filters are independent, they can be easily and quickly installed and disassembled.

[0017] Furthermore, it also includes a steam connecting pipe. The outer frame of the filter is provided with a hot steam chamber. The steam inlet is connected to the hot steam chamber. The steam inlet and steam outlet between adjacent anti-icing, water-repellent, and dehumidifying filters are connected through the steam connecting pipe. Through the steam connecting pipe, steam can be input to multiple anti-icing, water-repellent, and dehumidifying filters at the same time, which is simple and practical.

[0018] Furthermore, it also includes an exhaust connection pipe. The negative pressure ports between adjacent anti-icing, water-repellent, and dehumidifying filters are connected through the exhaust connection pipe. When multiple anti-icing, water-repellent, and dehumidifying filters are used together, the exhaust connection pipe can be used to achieve simultaneous exhaust, which is simple and convenient.

[0019] Furthermore, it also includes a drainage connecting pipe. The drain outlets between adjacent anti-icing, water-repellent, and dehumidifying filters are connected through the drainage connecting pipe. When multiple anti-icing, water-repellent, and dehumidifying filters are used together, the liquid in the water accumulation chamber can be discharged using the drainage connecting pipe.

[0020] Compared with the prior art, the beneficial effects of the technical solution of the present invention are: The anti-icing, water-repellent, and dehumidifying air intake system for ships in ice-covered areas disclosed in this invention allows cold and humid air to enter the filter frame. After being guided by the guide vanes and subjected to moisture capture and heating by the integrated blades, the moisture in the air is discharged into the drainage channel. At the same time, the channel is heated by steam to prevent icing. With this design, compared with the prior art, it can simultaneously solve the problems of icing, de-icing, and rapid removal of melted water, making it simple and practical. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the anti-icing, hydrophobic, and dehumidifying air intake system for ships in ice-covered areas, which uses a single anti-icing, hydrophobic, and dehumidifying filter.

[0022] Figure 2 This is a schematic diagram of the structure of the anti-icing, hydrophobic, and dehumidifying air intake system for ships in ice-covered areas, which uses two anti-icing, hydrophobic, and dehumidifying filters.

[0023] Figure 3This is a schematic diagram of the structure of the anti-icing, hydrophobic, and dehumidifying air intake system for ships in ice-covered areas, which uses three anti-icing, hydrophobic, and dehumidifying filters.

[0024] Figure 4 This is a schematic diagram of the anti-icing, hydrophobic, and dehumidifying air intake system in this invention.

[0025] Figure 5 This is a front view of the anti-icing, hydrophobic, and dehumidifying air intake system of this invention.

[0026] Figure 6 This is a top view of the anti-icing, hydrophobic, and dehumidifying air intake system of this invention.

[0027] Figure 7 This is a schematic diagram of the integrated blade in this invention.

[0028] Figure 8 This is a schematic diagram of the structure in this invention where the connecting hole is located on the drainage channel.

[0029] Figure 9 This is a schematic diagram of the structure of two anti-icing, hydrophobic, and dehumidifying filters used in this invention.

[0030] Figure 10 This is a schematic diagram of the structure of the three anti-icing, hydrophobic, and dehumidifying filters used in this invention.

[0031] In the diagram, 1 is the steam inlet, 2 is the steam outlet, 3 is the drain outlet, 4 is the negative pressure chamber, 5 is the water accumulation chamber, 6 is the anti-icing, water-draining, and dehumidifying filter, 7 is the filter frame, 8 is the guide vane, 9 is the integrated blade, 10 is the intermediate partition, 11 is the steam flow channel, 12 is the water-blocking tooth, 13 is the connecting hole, 14 is the negative pressure port, 15 is the back pressure fan, 16 is the control cabinet, 17 is the control valve, 18 is the drain pump, 19 is the steam connecting pipe, 20 is the hot steam chamber, 21 is the exhaust connecting pipe, 22 is the drain connecting pipe, and 23 is the drain flow channel. Detailed Implementation

[0032] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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 communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. The technical solution of this invention will be further described below with reference to the accompanying drawings and embodiments.

[0034] like Figure 1-2 As shown, an anti-icing, water-repellent, and dehumidifying air intake system for ships in ice-affected areas includes a steam inlet 1, a steam outlet 2, a drain outlet 3, a negative pressure chamber 4, a water accumulation chamber 5, and an anti-icing, water-repellent, and dehumidifying filter 6. The anti-icing, water-repellent, and dehumidifying filter includes a filter frame 7, guide vanes 8, and integrated blades 9. The guide vanes are disposed on the filter frame, and the integrated blades are disposed between adjacent guide vanes along the direction of the guide vanes. A middle partition 10 is provided on the integrated blades, which divides the integrated blades into a steam flow channel 11 located above the middle partition and a drain channel located below the middle partition. Flow channel 23; one end of the drainage flow channel is connected to the negative pressure chamber, and the other end is connected to the water accumulation chamber, with the drain outlet located on the water accumulation chamber; one end of the steam flow channel is connected to the steam inlet, and the other end is connected to the steam outlet. When cold and humid air enters the filter frame, it is guided by the guide vanes and the moisture capture and heating effect of the integrated blades. The moisture in the air is discharged after entering the drainage flow channel. At the same time, the flow channel is heated by steam to prevent it from freezing. With this setting, compared with the existing technology, freezing, water mist removal, and quick removal of melted water can be solved at the same time, which is simple and practical.

[0035] like Figure 3-4 As shown, water-blocking teeth 12 are provided on the bottom outer side of the drainage channel, and a connecting hole 13 connected to the water accumulation chamber is provided on the drainage channel between adjacent water-blocking teeth. By setting the water-blocking teeth, the collected droplets can be guided to prevent them from being blown away again, so that they can flow downward smoothly and accumulate to form a liquid confluence. The connecting hole is teardrop-shaped. The principle of using the teardrop-shaped connecting hole is that when the water mist passes through the guide plate and the integrated blade for guidance and inertial capture, the water mist particles in the air will be captured. The gradually narrowing gap above the teardrop-shaped connecting hole increases the ability to capture small-sized droplets.

[0036] like Figure 5-6As shown, a negative pressure port 14 is provided on the negative pressure chamber, and a back pressure fan 15 is provided outside the negative pressure port. In practical applications, a vacuum pressure sensor can also be installed at the negative pressure port. By setting up the vacuum pressure sensor and the back pressure fan, the negative pressure level of the negative pressure chamber can be adjusted, which is simple and practical. In addition, a control cabinet 16 is also included. A control valve 17 is provided on the negative pressure port. The control cabinet is connected to the control valve and the back pressure fan respectively. By controlling the control valve and the back pressure fan through the control cabinet, the opening and closing angle of the control valve and the rotation speed of the back pressure fan can be adjusted by monitoring the vacuum level of the "negative pressure chamber", thereby controlling the airflow suction capacity in the "drainage channel". A drain pump 18 is provided on the drain outlet. By setting up the drain pump, the liquid in the water accumulation chamber can be discharged from the drain outlet more quickly.

[0037] like Figure 7-10 As shown, in this invention, there is at least one anti-icing, hydrophobic, and dehumidifying filter. When there are multiple anti-icing, hydrophobic, and dehumidifying filters, adjacent filters are seamlessly connected. Since the holes and connections on the filters are corresponding, the number of filters used can be adjusted according to the needs of practical application. Furthermore, since the filters are independent, they can be easily and quickly installed and disassembled. Additionally, a steam connecting pipe 19 is included, and a hot steam chamber 20 is provided on the filter frame. The steam inlet is connected to the hot steam chamber, and the steam inlets between adjacent filters are also included. The steam outlet is connected to the steam connection pipe, which allows steam to be simultaneously supplied to multiple anti-icing, water-absorbing, and dehumidifying filters. This is simple and practical. In this invention, an exhaust connection pipe 21 is also included, which connects the negative pressure ports between adjacent anti-icing, water-absorbing, and dehumidifying filters. When multiple anti-icing, water-absorbing, and dehumidifying filters are used together, exhaust can be achieved simultaneously using the exhaust connection pipe, which is simple and convenient. In addition, a drain connection pipe 22 is also included, which connects the drain outlets between adjacent anti-icing, water-absorbing, and dehumidifying filters. When multiple anti-icing, water-absorbing, and dehumidifying filters are used together, the drain connection pipe can be used to drain the liquid in the water accumulation chamber. Example

[0038] In this embodiment, when the ice-resistant, water-repellent, and dehumidifying air intake system for ships in ice-covered areas is installed on the ship while it is sailing at sea, when air containing water vapor and salt enters the system, the air containing water vapor and salt will first impact the integrated blades and gradually aggregate on the surface of the integrated blades to form a downward-flowing liquid. During the liquid flow, it flows into the drainage channel through the teardrop-shaped connecting hole and continues to flow downward into the water accumulation chamber. The collected water is discharged through the pipes connected to the water accumulation chamber and the drainage pump.

[0039] When ships equipped with this system enter cold sea areas such as the Arctic and Antarctic, the accumulated water will freeze on the inlet blades due to the cold climate. At this time, opening the control valve on the steam pipeline allows steam to enter the system for heating, thus preventing freezing. Since the system's drainage channel is connected to the upper negative pressure chamber and the lower water accumulation chamber, the upper negative pressure chamber is evacuated by a back-pressure fan, maintaining a certain negative pressure in the drainage channel. This accelerates the entry of polymerized liquid from the integrated blade surface into the drainage channel, enhancing the water removal effect. A vacuum pressure sensor and control valve are installed on the pipeline connecting the negative pressure chamber and the back-pressure fan. By monitoring the vacuum level in the negative pressure chamber, the valve opening is adjusted to control the airflow suction capacity in the drainage channel. The integrated blades utilize hydrophilic adsorption and inertial impaction principles to collect water mist and droplets from the air. The water droplet-shaped connecting holes above... The gradually narrowing gap increases the ability to capture tiny droplets. The water-blocking teeth on the front of the integrated blades guide the collected droplets to prevent them from being blown away again, allowing them to flow smoothly downwards and accumulate, forming a liquid confluence. The liquefying blades adopt an integrated design of drainage and steam channels, thus combining multiple functions such as droplet collection, liquid drainage, heating, and anti-icing into a single structure. Because the anti-icing, hydrophobic, and dehumidifying filter uses a modular design, it can be stacked and combined to form multi-stage anti-icing filtration devices, resulting in better dehumidification. Since the filter frame size is uniformly designed according to specific models, and the guide vanes and integrated blades are configured with a front-to-back free splicing design, regardless of the number of stages combined, the continuity of the airflow channel and good sealing can be guaranteed, allowing for easy combination into multi-stage anti-icing filtration devices.

[0040] The positional relationships described in the figures are for illustrative purposes only and should not be construed as limiting this patent. Clearly, the above embodiments of the present invention are merely examples to clearly illustrate the invention and are not intended to limit the implementation of the invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of this invention.

Claims

1. An anti-icing, hydrophobic, and dehumidifying air intake system for ships in ice-covered areas, comprising a steam inlet, a steam outlet, a drain outlet, a negative pressure chamber, a water accumulation chamber, and an anti-icing, hydrophobic, and dehumidifying filter, characterized in that: The anti-icing, hydrophobic, and dehumidifying filter includes a filter frame, guide vanes, and integrated blades. The guide vanes are disposed on the filter frame, and the integrated blades are disposed between adjacent guide vanes along the direction of the guide vanes. The integrated blade is provided with a middle partition, which divides the integrated blade into a steam flow channel located above the middle partition and a drainage flow channel located below the middle partition. One end of the drainage channel is connected to the negative pressure chamber, and the other end is connected to the water accumulation chamber. The drain outlet is located on the water accumulation chamber. One end of the steam flow channel is connected to the steam inlet, and the other end is connected to the steam outlet; The bottom outer side of the drainage channel is provided with water-blocking teeth, and the drainage channel between adjacent water-blocking teeth is provided with a connecting hole that communicates with the water accumulation cavity.

2. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 1, characterized in that: The connecting hole is teardrop-shaped.

3. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 1, characterized in that: The negative pressure chamber is provided with a negative pressure port, and a back pressure fan is provided outside the negative pressure port.

4. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 3, characterized in that: It also includes a control cabinet, on which a control valve is provided, and the control cabinet is connected to the control valve and the back pressure fan respectively.

5. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 1, characterized in that: A drainage pump is installed on the drainage outlet.

6. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 3, characterized in that: There is at least one anti-icing, hydrophobic, and dehumidifying filter. When there are multiple anti-icing, hydrophobic, and dehumidifying filters, adjacent anti-icing, hydrophobic, and dehumidifying filters are seamlessly connected.

7. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 6, characterized in that: It also includes a steam connecting pipe. The outer frame of the filter is provided with a hot steam chamber. The steam inlet is connected to the hot steam chamber. The steam inlet and steam outlet between adjacent anti-icing, hydrophobic and dehumidifying filters are connected by a steam connecting pipe.

8. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 6, characterized in that: It also includes an exhaust manifold, through which the negative pressure ports between adjacent anti-icing, hydrophobic, and dehumidifying filters are connected.

9. The ice-prevention, water-repellent, dehumidifying, and air intake system for ships in ice-covered areas according to claim 6, characterized in that: It also includes a drainage connecting pipe, through which the drain outlets between adjacent anti-icing, hydrophobic, and dehumidifying filters are connected.

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