CN219297339U

CN219297339U - Shipborne integrated sewage treatment system

Info

Publication number: CN219297339U
Application number: CN202320851392.7U
Authority: CN
Inventors: 先本森; 罗悦瑄; 庞程; 程书啟; 徐瑞; 蒋昕颐
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-04
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of ship domestic sewage treatment, in particular to a shipborne integrated sewage treatment system which comprises an adjusting tank, an anaerobic reaction part, an aerobic reaction part, an MBR tank and a disinfection tank which are sequentially communicated in the sewage flowing direction, wherein the aerobic reaction part and the MBR tank are communicated with an oxygenation assembly, a solid waste filtering assembly is arranged in the MBR tank, the bottom of the solid waste filtering assembly is communicated with a sludge tank, and the sludge tank is communicated with the bottom of the anaerobic reaction part through a sludge return pipe. According to the utility model, the solid waste can enter the bottom of the anaerobic tank through the sludge return pipe and participate in the anaerobic reaction, so that the consumption of the solid waste is realized, a large amount of solid waste is prevented from accumulating, and the area of a ship occupied by the solid waste is reduced.

Description

Shipborne integrated sewage treatment system

Technical Field

The utility model relates to the technical field of ship domestic sewage treatment, in particular to a shipborne integrated sewage treatment system.

Background

As a focus of attention, countries have made a series of standards for pleasure boat pollution discharge in water, and clearly require that waste sewage not up to standard is not discharged into a flow area, and by now the "water pollution discharge control standards for ships [ GB3552-2018 ] has been practiced for five years in water having ships nationally. With the increasing severity of the standard, the traditional pleasure boat sewage treatment has been left with much attention and insufficient force, which also promotes the market to update the pleasure boat sewage treatment mode.

At present, domestic pleasure boats and navigation boats are mainly used for storing sewage generated by the pleasure boats and navigation boats by arranging a plurality of containers in a cabin, and then the sewage is nearby transported to a sewage treatment plant for treatment when the sewage is on shore. The sewage treatment method has low efficiency and quite high cost, so that part of ships can directly discharge the generated sewage to a navigation river basin, a large amount of pollution is generated, the environment is greatly damaged, a large amount of solid wastes such as sludge are generated by the traditional sewage treatment equipment, and the space of a larger ship can be occupied by the solid wastes. Therefore, there is a need for an on-board integrated sewage treatment system.

Disclosure of Invention

The utility model aims to provide a shipborne integrated sewage treatment system so as to solve the problems.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a shipborne integral type sewage treatment system, includes equalizing basin, anaerobic reaction portion, good oxygen reaction portion, MBR pond and the disinfection pond that communicate in proper order that follow sewage flow direction and set up, good oxygen reaction portion with the equal intercommunication in MBR pond has oxygenation subassembly, be provided with solid useless filter module in the MBR pond, solid useless filter module bottom intercommunication has the sludge impoundment, the sludge impoundment pass through the mud back flow with anaerobic reaction portion bottom intercommunication.

Preferably, the top of the regulating tank is communicated with a water inlet end of a lifting pump, and a water outlet end of the lifting pump is communicated with one side of the top of the anaerobic reaction part.

Preferably, the anaerobic reaction part comprises an anaerobic tank, anaerobic bacteria are filled in the anaerobic tank, the anaerobic tank is communicated with the aerobic reaction part, and the water outlet end of the lifting pump is communicated with one side of the top of the anaerobic tank.

Preferably, the aerobic reaction part comprises an aerobic tank, aerobic bacteria are filled in the aerobic tank, and the anaerobic tank is communicated with the aerobic tank.

Preferably, the oxygenation assembly comprises an aerator, one air outlet end of the aerator is communicated with the top of the aerobic tank, and the other air outlet end of the aerator is communicated with the top of the MBR tank.

Preferably, the solid waste filtering component comprises a membrane component, the side wall of the membrane component is fixedly connected with the inner wall of the MBR tank, the membrane component is arranged in the middle of the MBR tank, a filtering part is arranged in the membrane component, the filtering part is communicated with the sludge tank, and the membrane component is communicated with the MBR tank.

Preferably, the filtering part comprises a plurality of biological membranes arranged at intervals along the length direction of the membrane assembly, the side walls of the biological membranes are fixedly connected with the inner wall of the membrane assembly, a first pipeline communicated with the top of the sludge pond is arranged in a gap between two adjacent biological membranes, and a second pipeline communicated with the top of the sludge pond is arranged in a gap between the biological membranes and the inner wall of the membrane assembly at the front end in the water flow direction.

Preferably, an ultraviolet lamp tube is arranged in the disinfection tank, and the ultraviolet lamp tube is fixedly connected with the inner wall of the disinfection tank.

The utility model has the following technical effects: during the use, sewage loops through equalizing basin, anaerobic tank, good oxygen pond, MBR pond and disinfection pond and handles, finally realize sewage purification and discharge, oxygenation subassembly provides oxygen for good oxygen pond and MBR pond, improve the sewage treatment efficiency in good oxygen pond and MBR pond, solid useless filter element that sets up in the MBR pond filters out solid waste, the solid waste of filtering out falls into in the mud pond of solid useless filter element bottom intercommunication, the solid waste in the mud pond enters into the bottom in anaerobic tank through the mud back flow, participate in the anaerobic reaction, realize the consumption to solid waste, avoid solid waste to pile up in a large number, reduce solid waste occupation ship area.

Drawings

For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a flow chart of the operation of the present utility model;

wherein, 1, an adjusting pool; 2. a lift pump; 3. an anaerobic tank; 4. anaerobic bacteria; 5. an aerobic tank; 6. aerobic bacteria; 7. an MBR pool; 8. a membrane module; 9. a biological membrane; 10. a sludge pool; 11. a sludge return pipe; 12. an aerator; 13. a sterilizing pool; 14. an ultraviolet lamp tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 2, the utility model provides a shipborne integrated sewage treatment system, which comprises an adjusting tank 1, an anaerobic reaction part, an aerobic reaction part, an MBR tank 7 and a disinfection tank 13 which are sequentially communicated in the sewage flowing direction, wherein the aerobic reaction part and the MBR tank 7 are both communicated with an oxygenation assembly, a solid waste filtering assembly is arranged in the MBR tank 7, the bottom of the solid waste filtering assembly is communicated with a sludge tank 10, and the sludge tank 10 is communicated with the bottom of the anaerobic reaction part through a sludge return pipe 11.

During the use, sewage loops through equalizing basin 1, anaerobic tank 3, good oxygen pond 5, MBR pond 7 and disinfection pond 13 treatment, finally realize sewage purification and discharge, oxygenation subassembly provides oxygen for good oxygen pond 5 and MBR pond 7, improve good oxygen pond 5 and MBR pond 7's sewage treatment efficiency, solid waste filter element who sets up in the MBR pond 7 filters out solid waste, solid waste who filters out falls into in the mud pond 10 of solid waste filter element bottom intercommunication, the solid waste in the mud pond 10 enters into anaerobic tank 3's bottom through mud back flow 11, participate in anaerobic reaction, realize the consumption to solid waste, avoid solid waste's a large amount to pile up, reduce solid waste occupation ship area.

Further optimizing scheme, the top of equalizing basin 1 communicates there is the water inlet of elevator pump 2, and the water outlet of elevator pump 2 communicates with anaerobic reaction portion top one side.

Through at equalizing basin 1 top intercommunication elevator pump 2, the play water end of elevator pump 2 communicates with anaerobic tank 3 top one side, is convenient for draw in the sewage in the equalizing basin 1 to anaerobic tank 3's top.

The regulating tank 1 is directly connected with a sewage pipeline, and can regulate the water quantity of sewage, store and regulate the sewage, thereby maintaining the sewage flowing speed in the utility model.

Further optimizing scheme, anaerobic reaction portion includes anaerobic tank 3, and anaerobic bacteria 4 is filled in anaerobic tank 3, and anaerobic tank 3 and aerobic reaction portion intercommunication, the water outlet of elevator pump 2 and anaerobic tank 3 top one side intercommunication.

In a further optimized scheme, the aerobic reaction part comprises an aerobic tank 5, aerobic bacteria 6 are filled in the aerobic tank 5, and the anaerobic tank 3 is communicated with the aerobic tank 5.

The bottom of the anaerobic tank 3 is communicated with the bottom of the aerobic tank 5, so that the anaerobic reaction in the anaerobic tank 3 is more sufficient.

In a further optimized scheme, the oxygenation assembly comprises an aerator 12, one air outlet end of the aerator 12 is communicated with the top of the aerobic tank 5, and the other air outlet end of the aerator 12 is communicated with the top of the MBR tank 7.

The top side of the aerobic tank 5 is communicated with the top side of the MBR tank 7, so that the sewage fully undergoes aerobic reaction before entering the MBR tank 7, and the aerator 12 continuously provides oxygen for the aerobic tank 5 and the MBR tank 7, so that the sewage treatment efficiency in the aerobic tank 5 and the MBR tank 7 is further improved.

Further optimizing scheme, solid useless filtration subassembly includes membrane module 8, and membrane module 8 lateral wall and the inner wall rigid coupling in MBR pond 7, and membrane module 8 setting is equipped with filtering part in the membrane module 8 in the middle part in MBR pond 7, filtering part and sludge impoundment 10 intercommunication, membrane module 8 and MBR pond 7 intercommunication.

Further optimizing scheme, filtering part includes a plurality of biomembrane 9 that set up along membrane module 8 length direction interval, and biomembrane 9 lateral wall and membrane module 8 inner wall rigid coupling are equipped with the first pipeline with sludge impoundment 10 top intercommunication in the clearance between two adjacent biomembrane 9, and the clearance between biomembrane 9 and the membrane module 8 inner wall that is located the water flow direction front end is equipped with the second pipeline with sludge impoundment 10 top intercommunication.

The sludge tank 10 is provided for storing excess sludge produced in the apparatus and returning the sludge to the anaerobic tank, thereby maintaining the concentration of anaerobic bacteria in the anaerobic tank.

The biological membrane 9 is used for filtering sewage, the biological membrane 9 can only enable water to pass through and cannot enable macromolecular solid waste in the water to pass through, so that the effect of solid-liquid separation is achieved, the separated solid waste falls into the sludge tank 10 through the first pipeline and the second pipeline, then the sludge enters the bottom of the anaerobic tank 3 through the sludge return pipe 11, and the sludge is added into the anaerobic reaction of the anaerobic bacteria 4, so that the accumulation of the solid waste is avoided.

Meanwhile, a large amount of anaerobic bacteria exist in the activated sludge, and the anaerobic bacteria 4 in the anaerobic tank 3 can be supplemented.

The biofilm 9 is preferably an MBR membrane.

In a further optimized scheme, an ultraviolet lamp tube 14 is arranged in the disinfection tank 13, and the ultraviolet lamp tube 14 is fixedly connected with the inner wall of the disinfection tank 13.

The ultraviolet rays emitted by the ultraviolet lamp tube 14 can kill most bacteria and all viruses in the sewage, thereby achieving the effect of disinfection and sterilization.

In the utility model, the anaerobic tank 3, the aerobic tank 5, the MBR tank 7 and the disinfection tank 13 are all arranged in a shell, the shell is arranged on a ship, the shell is preferably a cuboid shell with the length of 2m, the width of 1.5m and the height of 0.5m, so that the occupied area of the ship is reduced, and in the utility model, the communicating pipes are all preferably communicating pipes with the radius of 10 cm.

The tops of the regulating tank 1, the anaerobic tank 3, the aerobic tank 5, the MBR tank 7, the disinfection tank 13 and the sludge tank 10 are respectively provided with an openable aluminum alloy plate, so that the regulating tank 1, the anaerobic tank 3, the aerobic tank 5, the MBR tank 7, the disinfection tank 13 and the sludge tank 10 can be overhauled conveniently.

The aluminum alloy sheet on top of the regulating reservoir 1 is preferably 0.25m long and 1.5m wide. The aluminum alloy sheet on top of the anaerobic tank 3 is preferably 0.5m long and 1.5m wide. The aluminum alloy plate on the top of the aerobic tank 5 is preferably 0.5m long and 1.5m wide. The aluminum alloy plate at the top of the MBR tank 7 is preferably 0.5m long and 1.5m wide. The aluminum alloy sheet at the top of the sterilizing pond 13 is preferably 0.5m long and 1.5m wide. The aluminum alloy sheet at the top of the sludge tank 10 is preferably 0.25m long and 1.5m wide.

In the present utility model, the power of the lift pump 2 is preferably 350W, the power of the aerator 12 is preferably 600W, and the power of the ultraviolet lamp 14 is preferably 100W.

In the present utility model, anaerobic bacteria 4 and aerobic bacteria 6 need to be cultivated 17 days before the present device is put into use.

In order to reduce the consumption of the device to the electric energy of the ship, the lifting pump 2, the aerator 12 and the ultraviolet lamp tube 14 are electrically connected with a capacitor, and the capacitor is electrically connected with a solar panel, so that the electricity utilization problem of the electric appliance is solved.

In the utility model, the solar panel is preferably 5 solar panels of 1 cubic meter, the total generated power is 750W, and the residual electric quantity is supplemented by a capacitor. The 5 solar panels are respectively arranged at the outside of the ship body in a sunny area.

As one application example of the utility model, 5 tons of sewage sequentially pass through the regulating tank 1, the anaerobic tank 3, the aerobic tank 5, the MBR tank 7 and the disinfection tank 13 by pipelines, and then sequentially: the whole process takes 45 minutes to complete after the hydrolysis acidification, the regulation storage, the anaerobic treatment, the aerobic treatment, the MBR tank treatment and the disinfection and sterilization treatment are directly discharged from the ship body.

Wherein the anaerobic treatment in the anaerobic tank 3 breaks down all macromolecular substances into small molecular substances and processes nearly 70% of ammonia nitrogen and part of the C source.

Wherein, the aerobic treatment in the aerobic tank 5 removes approximately 25% of ammonia nitrogen and oxidizes most of organic matters.

Wherein, the treatment in the MBR tank 7 removes more than 98% of suspended matters.

And (3) opening the aerobic tank 5 and comparing the water quality with the aluminum alloy plate at the top of the MBR tank 7, wherein suspended matters in the water discharged by the MBR tank 7 are only 2% of the water discharged by the aerobic tank 5. And the final disinfection and sterilization process kills most of bacteria and all viruses.

In this embodiment, the system operates well, efficiently purifies sewage to the emission standard, and realizes shipborne integrated sewage treatment. The sewage generated by 5 tons of ships during the navigation is purified in total, the time is 45 minutes, the electricity consumption is almost equal to the electricity generated by the solar panel, and the capacitor provides a small amount of electricity supply.

Compared with the existing shipborne sewage storage device, the system has the advantages that the occupied area is smaller, the sewage treatment capacity is realized, the sewage can be purified without leaning, and then the sewage is discharged. The system is provided with the solar panel and the capacitor power supply device, so that the power of the ship is not required to be extracted for operation, and the system is energy-saving and environment-friendly.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a on-board integral type sewage treatment system which characterized in that: including equalizing basin (1), anaerobic reaction portion, aerobic reaction portion, MBR pond (7) and disinfection pond (13) that follow sewage flow direction intercommunication in proper order set up, aerobic reaction portion with MBR pond (7) all communicate there is oxygenation subassembly, be provided with solid useless filter element in MBR pond (7), solid useless filter element bottom intercommunication has sludge impoundment (10), sludge impoundment (10) pass through sludge return pipe (11) with anaerobic reaction portion bottom intercommunication.

2. An on-board integrated sewage treatment system according to claim 1, wherein: the top of the regulating tank (1) is communicated with a water inlet end of the lifting pump (2), and a water outlet end of the lifting pump (2) is communicated with one side of the top of the anaerobic reaction part.

3. An on-board integrated sewage treatment system according to claim 2, wherein: the anaerobic reaction part comprises an anaerobic tank (3), anaerobic bacteria (4) are filled in the anaerobic tank (3), the anaerobic tank (3) is communicated with the aerobic reaction part, and the water outlet end of the lifting pump (2) is communicated with one side of the top of the anaerobic tank (3).

4. A shipborne integrated sewage treatment system according to claim 3, wherein: the aerobic reaction part comprises an aerobic tank (5), aerobic bacteria (6) are filled in the aerobic tank (5), and the anaerobic tank (3) is communicated with the aerobic tank (5).

5. The on-board integrated sewage treatment system of claim 4, wherein: the oxygenation assembly comprises an aerator (12), one air outlet end of the aerator (12) is communicated with the top of the aerobic tank (5), and the other air outlet end of the aerator (12) is communicated with the top of the MBR tank (7).

6. An on-board integrated sewage treatment system according to claim 1, wherein: the solid waste filtering component comprises a membrane component (8), the side wall of the membrane component (8) is fixedly connected with the inner wall of the MBR tank (7), the membrane component (8) is arranged in the middle of the MBR tank (7), a filtering part is arranged in the membrane component (8), the filtering part is communicated with the sludge tank (10), and the membrane component (8) is communicated with the MBR tank (7).

7. The on-board integrated sewage treatment system of claim 6, wherein: the filter part comprises a plurality of biological membranes (9) which are arranged along the length direction of the membrane component (8) at intervals, the side walls of the biological membranes (9) are fixedly connected with the inner wall of the membrane component (8), a first pipeline which is communicated with the top of the sludge pond (10) is arranged in a gap between every two adjacent biological membranes (9), and a second pipeline which is communicated with the top of the sludge pond (10) is arranged in a gap between the biological membranes (9) and the inner wall of the membrane component (8) at the front end in the water flow direction.

8. An on-board integrated sewage treatment system according to claim 1, wherein: an ultraviolet lamp tube (14) is arranged in the disinfection tank (13), and the ultraviolet lamp tube (14) is fixedly connected with the inner wall of the disinfection tank (13).