Ship domestic sewage treatment device

Abstract

The utility model belongs to a ship domestic sewage treatment device in the technical field of ships. A treatment cabin (2) is arranged in the ship body (1), an anaerobic tank (3), an aerobic tank (4), a secondary sedimentation tank (7), a sludge tank (8) and a clean water tank (9) are arranged in the treatment cabin (2), an air supply pipeline of a fan chamber (5) is communicated with the aerobic tank (4), a sewage inlet (10) of the anaerobic tank (3) is communicated with a sewage feeding pipeline (11), a sludge outlet (12) of the sludge tank (8) is communicated with a sludge discharging pipeline (13), and a clean water outlet (14) of the clean water tank (9) is communicated with a clean water discharging pipeline (15). The ship domestic sewage treatment device disclosed by the utility model is simple in structure, sewage treatment can be carried out by utilizing a ship body structure, a domestic sewage treatment function is realized, the ship domestic sewage treatment requirement is met, the environment is protected, and the cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ships, and more specifically, relates to a ship domestic sewage treatment device. Background Art

[0002] With the increasingly strict requirements for ship pollution prevention, especially for inland river ships, it is required that domestic sewage treatment meet the standards and can be discharged during navigation or collected by a collection device. The existing ship domestic sewage treatment devices are complex in structure and high in cost. And for ports or shore areas where domestic sewage treatment is required, setting up special domestic sewage treatment devices is costly and complex in structure.

[0003] In the prior art, there is a technology with the name of "Ship Domestic Sewage Treatment Device" and the publication number of "CN201006853Y". This technology includes a sewage inlet, a box body, a mesh filter, a primary sedimentation chamber, an aeration pipe, a secondary sedimentation and filtration tank, a water collection and disinfection tank, a drain pipe and a sludge discharge port. Its characteristics are: an ozone aeration head is arranged in the water collection and disinfection tank, and the ozone aeration head is connected to an ozone disinfector arranged on the box body through a copper pipe; between the primary sedimentation chamber and the secondary sedimentation and filtration tank, two aerobic biological filters with a height difference formed by an outlet and an inlet are arranged adjacent to each other. An aeration pipe is arranged in the primary sedimentation chamber, and the air inlet of the aeration pipe is connected to an air compressor arranged on the box body. The bottoms of the primary sedimentation chamber, the biological filter and the secondary sedimentation and filtration tank are connected to the sludge discharge pump and the sludge discharge port arranged on the box body through pipes. It has the advantages of compact structure, reliable operation, sufficient aeration, convenient installation and maintenance. It disinfects through ozone, making disinfection and sterilization more thorough, and can also deodorize, significantly improving the drainage water quality. However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is: aiming at the deficiencies of the prior art, to provide a ship domestic sewage treatment device with a simple structure, which can utilize the ship hull structure for sewage treatment setting, realize the domestic sewage treatment function, meet the ship domestic sewage treatment requirements, protect the environment and save costs.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows:

[0006] The utility model is a ship domestic sewage treatment device. A treatment chamber is arranged inside the ship hull. The treatment chamber includes an anaerobic tank, an aerobic tank, a secondary sedimentation tank, a sludge tank and a clear water tank. The air supply pipeline of the fan room is communicated with the aerobic tank. The sewage inlet of the anaerobic tank is communicated with the sewage supply pipeline. The sludge outlet of the sludge tank is communicated with the sludge delivery pipeline. The clear water outlet of the clear water tank is communicated with the clear water delivery pipeline.

[0007] The described treatment compartment is arranged between the port and starboard sides of the ship's hull.

[0008] The described aerobic tanks include aerobic tank A, aerobic tank B, and aerobic tank C.

[0009] The anaerobic tank is connected to the aerobic tanks, the aerobic tanks are connected to the secondary sedimentation tank, and the secondary sedimentation tank is connected to the sludge tank and the clear water tank.

[0010] Aerobic tank A, aerobic tank B, and aerobic tank C are connected in series. Aerobic tank A is connected to the anaerobic tank, and aerobic tank C is connected to the secondary sedimentation tank.

[0011] The sewage inlet pipeline is connected to the domestic sewage collection tank, and a sewage inlet pump is provided on the sewage inlet pipeline.

[0012] The sludge outlet pipeline is connected to the deck sludge receiving bucket, and a sludge outlet pump is provided on the sludge outlet pipeline.

[0013] The clear water outlet pipeline is connected to the domestic sewage regulation tank, and a clear water outlet pump is provided on the clear water outlet pipeline.

[0014] The sewage inlet pump, the sludge outlet pump, the clear water outlet pump, and the blower in the blower room are respectively connected to the control components.

[0015] Adopting the technical solution of the present utility model, the working principle and beneficial effects are as described below:

[0016] The domestic sewage treatment device for ships described in the present utility model is structurally arranged by utilizing the spatial structure of the ship hull itself to add a domestic sewage treatment device. A treatment chamber is arranged inside the ship hull, and the treatment chamber serves as a layout space for arranging an anaerobic tank, an aerobic tank, a secondary sedimentation tank, a sludge tank, and a clear water tank. The anaerobic tank, the aerobic tank, and the secondary sedimentation tank are connected in sequence, and the secondary sedimentation tank is simultaneously connected to the sludge tank and the clear water tank. The air supply pipeline of the blower room is connected to the aerobic tank to supply oxygen to the aerobic tank. The sewage inlet of the anaerobic tank is connected to the sewage supply pipeline, and the sewage supply pipeline is used to supply domestic sewage to be treated. The sludge outlet of the sludge tank is connected to the sludge discharge pipeline, and the sludge discharge pipeline is used to discharge the treated sludge. The clear water outlet of the clear water tank is connected to the clear water discharge pipeline, and the clear water discharge pipeline is used to discharge the treated clear water. The specific treatment principle and process of domestic sewage are as follows: Domestic sewage is centrally collected, and the sewage collected in the domestic sewage collection tank enters the anaerobic tank. During the process of the sewage flowing from bottom to top in the anaerobic tank, the pollutants in the domestic sewage are intercepted and decomposed by the microorganisms in the anaerobic tank. Then the domestic sewage enters the aerobic tank for biochemical treatment. The blower in the blower room supplies air to the aerobic tank for oxygenation and aeration. A large number of microorganisms are contained in the filler of the aerobic tank, which finally decomposes the organic matter in the domestic sewage. The treated water flows into the secondary sedimentation tank. In the secondary sedimentation tank, sedimentation is carried out for solid-liquid separation. The clean liquid at the upper part of the secondary sedimentation tank flows into the clear water tank, and the sludge enters the sludge tank. The sludge in the sludge tank is treated regularly. The structure of the present utility model can be that a domestic sewage treatment device is arranged on the hull of a passenger or freight ship for treating domestic sewage on the ship, or it can be arranged on a separate ship for treating domestic sewage at some ports or shore-based ports. Such a structure is more flexible in use and more cost-saving than adding equipment at ports or shore-based ports to treat domestic sewage. Description of the Drawings

[0017] The following briefly describes the content expressed by each drawing in this specification and the marks in the drawings:

[0018] Figure 1 It is a structural schematic diagram of the domestic sewage treatment device for ships described in the present utility model;

[0019] The marks in the drawings are respectively: 1. Ship hull; 2. Treatment chamber; 3. Anaerobic tank; 4. Aerobic tank; 5. Blower room; 6. Port side; 7. Secondary sedimentation tank; 8. Sludge tank; 9. Clear water tank; 10. Sewage inlet; 11. Sewage supply pipeline; 12. Sludge outlet; 13. Sludge discharge pipeline; 14. Clear water outlet; 15. Clear water discharge pipeline; 16. Starboard side; 17. Aerobic tank A; 18. Aerobic tank B; 19. Aerobic tank C; 20. Domestic sewage collection tank; 21. Sewage supply pump; 22. Deck sludge receiving bucket; 23. Sludge discharge pump; 24. Domestic sewage regulation tank; 25. Clear water discharge pump. Detailed implementation manners

[0020] The following is a further detailed description of the specific implementation manners of the present utility model, such as the shapes, structures of the various components involved, the mutual positions and connection relationships between the various parts, the functions of the various parts, and the working principles, etc., with reference to the accompanying drawings and through the description of the embodiments:

[0021] As shown in the attached Figure 1As shown in the figure, the utility model is a domestic sewage treatment device for ships. Inside the ship hull 1, a treatment chamber 2 is arranged. The treatment chamber 2 includes an anaerobic tank 3, an aerobic tank 4, a secondary sedimentation tank 7, a sludge tank 8, and a clear water tank 9. The air supply pipeline of the fan room 5 is connected to the aerobic tank 4. The sewage inlet 10 of the anaerobic tank 3 is connected to the sewage supply pipeline 11. The sludge outlet 12 of the sludge tank 8 is connected to the sludge discharge pipeline 13. The clear water outlet 14 of the clear water tank 9 is connected to the clear water discharge pipeline 15. With the above structure, in view of the deficiencies in the prior art, an improved technical solution is proposed. When setting up the structure, the space structure of the ship hull itself is utilized to add a domestic sewage treatment device. Inside the ship hull 1, a treatment chamber 2 is arranged. The treatment chamber 2 serves as an arrangement space for setting the anaerobic tank 3, the aerobic tank 4, the secondary sedimentation tank 7, the sludge tank 8, and the clear water tank 9. The anaerobic tank 3, the aerobic tank 4, and the secondary sedimentation tank 7 are connected in sequence, and the secondary sedimentation tank 7 is simultaneously connected to the sludge tank 8 and the clear water tank 9. The air supply pipeline of the fan room 5 is connected to the aerobic tank 4 to supply oxygen to the aerobic tank. The sewage inlet 10 of the anaerobic tank 3 is connected to the sewage supply pipeline 11, and the sewage supply pipeline 11 is used to supply the domestic sewage to be treated. The sludge outlet 12 of the sludge tank 8 is connected to the sludge discharge pipeline 13, and the sludge discharge pipeline 13 is used to discharge the treated sludge. The clear water outlet 14 of the clear water tank 9 is connected to the clear water discharge pipeline 15, and the clear water discharge pipeline 15 is used to discharge the treated clear water. The specific treatment principle and process of domestic sewage are as follows: Domestic sewage is collected centrally. The sewage collected in the domestic sewage collection tank enters the anaerobic tank 3. During the process of flowing from bottom to top in the anaerobic tank 3, the pollutants in the domestic sewage are intercepted and decomposed by the microorganisms in the anaerobic tank 3. Then the domestic sewage enters the aerobic tank 4 for biochemical treatment. The fan in the fan room 5 supplies air to the aerobic tank 4 for oxygenation and aeration. A large number of microorganisms are contained in the packing of the aerobic tank 4, which finally decomposes the organic matter in the domestic sewage. The treated water flows into the secondary sedimentation tank 7. In the secondary sedimentation tank 7, sedimentation is carried out for mud-water separation. The clean liquid at the upper part of the secondary sedimentation tank 7 flows into the clear water tank 9, and the sludge enters the sludge tank 8. The sludge in the sludge tank 8 is treated regularly. The structure of the utility model can be that a domestic sewage treatment device is arranged on the hull of a passenger or freight ship for treating the domestic sewage on the ship, or it can be arranged on a separate ship for treating the domestic sewage at some ports or shore-based ports. Such a structure is more flexible in use and more cost-saving than adding equipment to treat domestic sewage at ports or shore-based ports. The domestic sewage treatment device of the utility model has a simple structure, can utilize the ship hull structure for sewage treatment setting, realizes the function of domestic sewage treatment, meets the demand of ship domestic sewage treatment, protects the environment, and saves costs.

[0022] The described treatment chamber 2 is arranged between the port side 6 and the starboard side 16 of the ship hull 1. With the above structure, the sewage treatment device is arranged by utilizing the structure of the ship hull without occupying extra space.

[0023] The aerobic tanks mentioned above include aerobic tank A17, aerobic tank B18, and aerobic tank C19. The aerobic tank A17, aerobic tank B18, and aerobic tank C19 are connected in series. The aerobic tank A17 is connected to the anaerobic tank 3, and the aerobic tank C19 is connected to the secondary sedimentation tank 7. With the above structure, multiple aerobic tanks 4 are provided, and the number can be set according to actual needs, so that domestic sewage passes through multiple aerobic tanks 4 in sequence. In this way, domestic sewage can be fully treated to improve the treatment effect.

[0024] The anaerobic tank 3 is connected to the aerobic tank 4, the aerobic tank 4 is connected to the secondary sedimentation tank 7, and the secondary sedimentation tank 7 is connected to the sludge tank 8 and the clear water tank 9. With the above structure, domestic sewage passes through the anaerobic tank 3, aerobic tank 4, and secondary sedimentation tank 7 in sequence. After sedimentation in the secondary sedimentation tank, the sludge deposited at the bottom enters the sludge tank 8 by opening the valve, and the clear water in the upper part enters the clear water tank 9.

[0025] The sewage feeding pipeline 11 is connected to the domestic sewage collection cabin 20, and a sewage feeding pump 21 is provided on the sewage feeding pipeline 11. With the above structure, the domestic sewage collection cabin 20 is used to centrally collect domestic sewage, which is pumped into the anaerobic tank through the sewage feeding pump 21 for subsequent treatment in sequence.

[0026] The sludge discharging pipeline 13 is connected to the deck sludge receiving bucket 22, and a sludge discharging pump 23 is provided on the sludge discharging pipeline 13. With the above structure, after the sludge discharging pump 23 is started, the sludge in the sludge tank can be sent into the deck sludge receiving bucket 22 through the sludge discharging pipeline 13. A valve is provided on the sludge discharging pipeline 13, and both the valve and the sludge discharging pump 23 are in the closed state when no sludge is being transported. The valve can be an electronic valve, which is connected to a control component to achieve automatic control.

[0027] The clear water discharging pipeline 15 is connected to the domestic sewage regulating cabin 24, and a clear water discharging pump 25 is provided on the clear water discharging pipeline 15. With the above structure, after the clear water discharging pump 25 is started, the clear water discharging pipeline 15 sends the clear water in the clear water tank into the domestic sewage regulating cabin 24. A valve is provided on the clear water discharging pipeline 15, and both the valve and the clear water discharging pump 25 are in the closed state when no clear water is being transported. The valve can be an electronic valve, which is connected to a control component to achieve automatic control.

[0028] The sewage feeding pump 21, sludge discharging pump 23, clear water discharging pump 25, and the blower in the blower room 5 are respectively connected to a control component. With the above structure, the control component is the control center for controlling the start and stop of the above components, so as to realize the reliable operation of the entire domestic sewage treatment device.

[0029] The domestic sewage treatment device for a ship described in the utility model utilizes the spatial structure of the ship hull itself to add a domestic sewage treatment device. A treatment chamber 2 is arranged inside the ship hull 1, and the treatment chamber 2 is used as a layout space for arranging an anaerobic tank 3, an aerobic tank 4, a secondary sedimentation tank 7, a sludge tank 8, and a clean water tank 9. The anaerobic tank 3, the aerobic tank 4, and the secondary sedimentation tank 7 are connected in sequence, and the secondary sedimentation tank 7 is connected to the sludge tank 8 and the clean water tank 9 at the same time. The air supply pipe of the fan chamber 5 is connected to the aerobic tank 4 for supplying oxygen to the aerobic tank. The sewage inlet 10 of the anaerobic tank 3 is connected to the sewage supply pipe 11, and the sewage supply pipe 11 is used to supply domestic sewage to be treated. The sludge outlet 12 of the sludge tank 8 is connected to the sludge delivery pipe 13, and the sludge delivery pipe 13 is used to discharge the treated sludge. The clean water outlet 14 of the clean water tank 9 is connected to the clean water delivery pipe 15, and the clean water delivery pipe 15 is used to deliver the treated clean water. The specific treatment principle and process of domestic sewage are as follows: domestic sewage is collected centrally, and the sewage collected in the domestic sewage collection cabin enters the anaerobic tank 3. During the flow of sewage from bottom to top in the anaerobic tank 3, the pollutants in the domestic sewage are intercepted and decomposed by the microorganisms in the anaerobic tank 3. The domestic sewage then enters the aerobic tank 4 for biochemical treatment. The fan in the fan room 5 transports air to the aerobic tank 4 for oxygenation and aeration. The filler of the aerobic tank 4 contains a large number of microorganisms, which eventually decompose the organic matter in the domestic sewage, and the treated water flows into the secondary sedimentation tank 7. In the secondary sedimentation tank 7, mud and water are separated by sedimentation, and the clean liquid treated at the top of the secondary sedimentation tank 7 flows into the clear water tank 9, and the sludge enters the sludge tank 8. The sludge in the sludge tank 8 is regularly treated. The structure of the utility model can be a domestic sewage treatment device installed on the hull of a passenger or cargo ship to treat the domestic sewage on the ship, and can also be installed on a separate ship to treat the domestic sewage in some ports or shore ports. Such a structure is more flexible to use and more cost-effective than adding equipment to treat domestic sewage at ports or shore ports.

[0030] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A domestic sewage treatment device for ships, characterized in that: Inside the ship hull (1), a treatment compartment (2) is provided. Inside the treatment compartment (2), there are an anaerobic pond (3), an aerobic pond (4), a secondary sedimentation tank (7), a sludge pond (8), and a clear water pond (9). The air supply pipeline of the fan room (5) is connected to the aerobic pond (4). The sewage inlet (10) of the anaerobic pond (3) is connected to the sewage supply pipeline (11). The sludge outlet (12) of the sludge pond (8) is connected to the sludge delivery pipeline (13). The clear water outlet (14) of the clear water pond (9) is connected to the clear water delivery pipeline (15).

2. The ship domestic sewage treatment device according to claim 1, characterized in that: The described treatment compartment (2) is arranged between the port side (6) and the starboard side (16) of the ship hull (1).

3. The ship domestic sewage treatment device according to claim 1 or 2, characterized in that: The described aerobic pond includes aerobic pond A (17), aerobic pond B (18), and aerobic pond C (19).

4. The ship domestic sewage treatment device according to claim 1 or 2, characterized in that: The described anaerobic pond (3) is connected to the aerobic pond (4), the aerobic pond (4) is connected to the secondary sedimentation tank (7), and the secondary sedimentation tank (7) is connected to the sludge pond (8) and the clear water pond (9).

5. The ship domestic sewage treatment device according to claim 3, characterized in that: The described aerobic pond A (17), aerobic pond B (18), and aerobic pond C (19) are connected in series. Aerobic pond A (17) is connected to the anaerobic pond (3), and aerobic pond C (19) is connected to the secondary sedimentation tank (7).

6. The ship domestic sewage treatment device according to claim 1 or 2, characterized in that: The described sewage supply pipeline (11) is connected to the domestic sewage collection tank (20), and a sewage supply pump (21) is provided on the sewage supply pipeline (11).

7. The ship domestic sewage treatment device according to claim 6, characterized in that: The described sludge delivery pipeline (13) is connected to the deck sludge receiving bucket (22), and a sludge delivery pump (23) is provided on the sludge delivery pipeline (13).

8. The ship domestic sewage treatment device according to claim 7, characterized in that: The described clear water delivery pipeline (15) is connected to the domestic sewage regulation tank (24), and a clear water delivery pump (25) is provided on the clear water delivery pipeline (15).

9. The ship domestic sewage treatment device according to claim 8, characterized in that: The described sewage supply pump (21), sludge delivery pump (23), clear water delivery pump (25), and the fan in the fan room (5) are respectively connected to the control components.

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