Multifunctional antifouling self-cleaning seawater filter

Abstract

The utility model discloses a multifunctional antifouling self-cleaning seawater filter, which belongs to the technical field of seawater filtration and comprises an outer shell, a cover body, a water inlet and a water outlet, the cover body is mounted at the top of the outer shell, and the water inlet and the water outlet are communicated and connected to two side walls of the outer shell. The outer side of the water inlet and the outer side of the water outlet are each provided with a pressure gauge, the inner side of the outer shell is fixedly connected with a boss of an annular structure, the boss is provided with a filtering assembly, impurities in seawater can be sequentially filtered through a coarse filtering cover and a fine filtering cover, and therefore the filtering effect of the seawater is improved; a booster pump is externally connected with a water pipe, then cleaning water is sprayed out through a backwashing spray head by utilizing a communicating pipe to clean a fine filter cover, and a driving motor is electrified to work to drive a connecting frame to rotate around the outer side of a coarse filter cover, so that bristles clean the outer wall of the coarse filter cover, and a good self-cleaning and antifouling function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of seawater filtration, and more specifically, to a multifunctional anti-pollution self-cleaning seawater filter. Background Technique

[0002] The cooling system, fire protection system and domestic water of ships all use seawater sucked from the sea chest. After the seawater is filtered by the seawater filter, it is distributed to the main and auxiliary engines for cooling, fire protection and seawater desalination equipment. Therefore, the seawater filter is very important.

[0003] General seawater filters on the market cannot be automatically cleaned, which makes the seawater filter prone to blockage after long-term use. If cleaned manually, it is time-consuming and laborious, increasing the labor cost. Moreover, the cleaning effect of general seawater filters is poor, and waste will still remain in the filter holes of the filter screen after automatic cleaning, which will then continue to block the seawater filter, affecting the operation of the ship's hull and being unfavorable for continuous seawater filtration, bringing problems of device defects. Patent authorization number CN215822462U discloses a new type of large-flow self-cleaning seawater filter for ships, which can be automatically cleaned without manual cleaning, saving time and effort, reducing the labor cost, and being able to vibrate the filter screen to make the impurities in the filter holes break away from the filter screen, avoiding impurity residue, improving the cleaning effect, preventing the impact on the ship's hull operation, and enabling continuous filtration.

[0004] However, the filtration effect of seawater by setting a single-layer filter screen in patent authorization number CN215822462U is not good. If the pore diameter is too small, it is easy to cause blockage of the filter holes, while if the pore diameter is too large, small-particle impurities cannot be filtered. In order to improve the filtration effect and at the same time be able to self-clean and prevent pollution, we have proposed a multifunctional anti-pollution self-cleaning seawater filter to solve the above existing problems. Content of the Utility Model

[0005] 1. Technical Problems to be Solved

[0006] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a multifunctional anti-pollution self-cleaning seawater filter, which can filter impurities in seawater through a coarse filter cover and a fine filter cover in sequence, thereby improving the filtration effect of seawater. The cleaning water is ejected through the backwashing nozzle by connecting an external water pipe to the booster pump and then using a communicating pipe, and the fine filter cover is cleaned. The driving motor is powered on to drive the connecting frame to rotate around the outside of the coarse filter cover, so that the brush bristles clean the outer wall of the coarse filter cover, having a good function of self-cleaning and anti-pollution.

[0007] 2. Technical Solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A multifunctional anti-fouling self-cleaning seawater filter, comprising a housing, a cover body installed on the top of the housing, and a water inlet and a water outlet conductively connected to both side walls of the housing. Pressure gauges are installed on the outer sides of the water inlet and the water outlet.

[0010] A convex platform arranged in a ring structure is fixedly connected to the inner side of the housing.

[0011] A filter assembly is installed at the convex platform.

[0012] The filter assembly includes a coarse filter cover arranged inside the convex platform, a fine filter cover integrally formed inside the coarse filter cover, a sandwich layer arranged between the coarse filter cover and the fine filter cover, and a mounting seat fixedly connected to the top end of the coarse filter cover and connected to the convex platform through bolts.

[0013] A communicating pipe is installed in the middle of the cover body, and the bottom end of the communicating pipe extends to the bottom of the inner cavity of the fine filter cover. A booster pump with an output end conductively connected to the top end of the communicating pipe is installed at the edge of the upper surface of the cover body. An anti-flushing spray head is installed on the outer wall of the bottom end of the communicating pipe.

[0014] A driving motor is installed below the housing through a bracket, and the output shaft of the driving motor extends into the inner cavity of the housing. A connecting frame is installed at the power output end of the driving motor, and a brush that fits against the outer wall of the coarse filter cover is installed at the top end of the connecting frame.

[0015] Furthermore, a sealing rubber ring is inlaid on the lower surface of the mounting seat, and the sealing rubber ring abuts against the upper surface of the convex platform.

[0016] Furthermore, multiple groups of anti-flushing spray heads are provided, and the multiple groups of anti-flushing spray heads are equidistantly distributed in the axial position of the communicating pipe.

[0017] A plurality of anti-flushing spray heads are provided in the radial position of each group of anti-flushing spray heads on the communicating pipe.

[0018] Furthermore, the axis line of the output shaft of the driving motor and the axis line of the filter assembly are on the same straight line.

[0019] Furthermore, a dynamic seal is installed at the combined part of the bottom of the housing and the output shaft of the driving motor.

[0020] Furthermore, a sewage outlet is arranged at an angle at the bottom of the housing, and the included angle between the axis line of the sewage outlet and the axis line of the housing is 45°.

[0021] Furthermore, a stop valve is installed at the end of the sewage outlet.

[0022] 3. Beneficial effects

[0023] Compared with the prior art, the advantages of the present utility model are as follows:

[0024] (1) In this solution, the seawater to be filtered is input into the inner side of the outer housing through the water inlet, and then the impurities in the seawater are filtered successively by the coarse filter cover and the fine filter cover, thereby improving the filtering effect of the seawater. Then, the filtered seawater is discharged through the water outlet;

[0025] The pressure differences at the water inlet and the water outlet are respectively detected by the pressure gauge. When the pressure difference exceeds the set range, the water supply is stopped. The booster pump is externally connected to a water pipe, and then the cleaning water is sprayed out through the backwash spray head by using the communicating pipe to clean the fine filter cover. The driving motor is powered on to work, and the connecting frame is driven to rotate around the outside of the coarse filter cover, so that the brush bristles clean the outer wall of the coarse filter cover, having a good self-cleaning and anti-fouling function.

[0026] (2) In this solution, the gap between the mounting seat and the boss is filled with a sealing rubber ring, thereby preventing the unfiltered seawater from seeping through the gap and ensuring the filtering effect of the seawater. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0028] Figure 2 is a side view schematic diagram of the outer housing of the present utility model;

[0029] Figure 3 is a sectional view of the outer housing of the present utility model taken along the line A-A;

[0030] Figure 4 is an enlarged schematic diagram of part A of the present utility model;

[0031] Figure 5 is a structural schematic diagram of the filter assembly of the present utility model;

[0032] Figure 6 is a structural schematic diagram of the filter assembly from another perspective of the present utility model.

[0033] Explanation of the reference numerals in the drawings:

[0034] 1. Outer housing; 2. Cover body; 3. Water inlet; 4. Water outlet; 5. Pressure gauge; 6. Boss; 7. Coarse filter cover; 8. Fine filter cover; 9. Mounting seat; 10. Sealing rubber ring; 11. Communicating pipe; 12. Backwash spray head; 13. Booster pump; 14. Driving motor; 15. Connecting frame; 16. Brush bristles; 17. Drain port. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] Embodiment:

[0037] Please refer to Figure 1-6 , a multifunctional anti-pollution self-cleaning seawater filter, including a housing 1, a cover 2 installed on the top of the housing 1, and a water inlet 3 and a water outlet 4 conductively connected to both side walls of the housing 1. Pressure gauges 5 are installed on the outer sides of the water inlet 3 and the water outlet 4;

[0038] An annular convex platform 6 is fixedly connected to the inner side of the housing 1;

[0039] A filter assembly is installed at the convex platform 6;

[0040] The filter assembly includes a coarse filter cover 7 arranged inside the convex platform 6, a fine filter cover 8 integrally formed inside the coarse filter cover 7, a sandwich layer arranged between the coarse filter cover 7 and the fine filter cover 8, and a mounting seat 9 fixedly connected to the top end of the coarse filter cover 7 and connected to the convex platform 6 by bolts;

[0041] A connecting pipe 11 is installed in the middle of the cover 2, and the bottom end of the connecting pipe 11 extends to the bottom of the inner cavity of the fine filter cover 8. A booster pump 13 with an output end conductively connected to the top end of the connecting pipe 11 is installed at the edge of the upper surface of the cover 2, and an anti-flushing spray head 12 is installed on the outer wall of the bottom end of the connecting pipe 11;

[0042] A driving motor 14 is installed below the housing 1 through a bracket, and the output shaft of the driving motor 14 extends into the inner cavity of the housing 1. A connecting frame 15 is installed at the power output end of the driving motor 14, and a brush 16 that fits against the outer wall of the coarse filter cover 7 is installed at the top end of the connecting frame 15;

[0043] It should be noted that when the multifunctional anti-pollution self-cleaning seawater filter is in use, the seawater to be filtered is input into the inner side of the housing 1 through the water inlet 3, and then the impurities in the seawater are filtered by the coarse filter cover 7 and the fine filter cover 8 in sequence, thereby improving the filtering effect of the seawater, and then the filtered seawater is discharged through the water outlet 4;

[0044] The pressure difference between the water inlet 3 and the water outlet 4 is detected respectively by the pressure gauge 5. After the pressure difference exceeds the set range, the water supply is stopped. The booster pump 13 is externally connected to a water pipe, and then the cleaning water is sprayed out through the backwash spray head 12 by using the communicating pipe 11 to clean the fine filter cover 8. The driving motor 14 is powered on to work, and the driving connecting frame 15 is driven to rotate around the outside of the coarse filter cover 7, so that the brush hairs 16 clean the outer wall of the coarse filter cover 7, which has a good self-cleaning and anti-pollution function.

[0045] As Figure 3 , Figure 6 shown, a sealing rubber ring 10 is inlaid on the lower surface of the mounting seat 9, and the sealing rubber ring 10 abuts against the upper surface of the boss 6;

[0046] It should be noted that the gap between the mounting seat 9 and the boss 6 is filled by the sealing rubber ring 10, so as to prevent the unfiltered seawater from seeping through the gap, ensuring the filtering effect of the seawater.

[0047] As Figure 3 shown, multiple groups of backwash spray heads 12 are provided, and the multiple groups of backwash spray heads 12 are equidistantly distributed in the axial position of the communicating pipe 11;

[0048] Multiple backwash spray heads 12 are provided in the radial position of each group of the communicating pipe 11;

[0049] It should be noted that the cleaning effect on the fine filter cover 8 is improved by providing multiple groups of backwash spray heads 12.

[0050] As Figure 3 shown, the axis line of the output shaft of the driving motor 14 and the axis line of the filter assembly are on the same straight line, and a dynamic seal is installed at the combined part of the bottom of the outer shell 1 and the output shaft of the driving motor 14;

[0051] It should be noted that while ensuring the rotation accuracy of the connecting frame 15, seawater leakage inside the outer shell 1 is avoided.

[0052] As Figure 3 shown, the bottom of the outer shell 1 is provided with a sewage outlet 17 at an angle, and the included angle between the axis line of the sewage outlet 17 and the axis line of the outer shell 1 is 45°. A stop valve is installed at the end of the sewage outlet 17;

[0053] It should be noted that by opening the stop valve, all the impurities cleaned inside the outer shell 1 are discharged through the sewage outlet 17.

[0054] During use: The seawater to be filtered is input into the inside of the outer shell 1 through the water inlet 3, and then the impurities in the seawater are filtered successively by the coarse filter cover 7 and the fine filter cover 8, thereby improving the filtering effect of the seawater, and then the filtered seawater is discharged through the water outlet 4;

[0055] The pressure differences at the water inlet 3 and the water outlet 4 are respectively detected by the pressure gauge 5. After the pressure difference exceeds the set range, the water supply is stopped, an external water pipe is connected to the booster pump 13, and then the cleaning water is sprayed out through the backwash nozzle 12 by using the communicating pipe 11 to clean the fine filter cover 8. The driving motor 14 is powered on to work, driving the connecting frame 15 to rotate around the outside of the coarse filter cover 7, so that the brush hairs 16 clean the outer wall of the coarse filter cover 7.

[0056] The above is only the preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and its improvement concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A multifunctional anti-fouling self-cleaning seawater filter, comprising an outer shell (1), a cover (2) mounted on the top of the outer shell (1), and a water inlet (3) and a water outlet (4) conductively connected to the two side walls of the outer shell (1), characterized in that: Pressure gauges (5) are installed on the outsides of the water inlet (3) and the water outlet (4); A boss (6) arranged in an annular structure is fixedly connected to the inner side of the outer shell (1); A filter assembly is installed at the boss (6); The filter assembly comprises a coarse filter cover (7) arranged inside the boss (6), a fine filter cover (8) integrally formed inside the coarse filter cover (7), an interlayer arranged between the coarse filter cover (7) and the fine filter cover (8), and a mounting seat (9) fixedly connected to the top end of the coarse filter cover (7) and connected to the boss (6) by bolts; A connecting pipe (11) is installed in the middle of the cover body (2), and the bottom end of the connecting pipe (11) extends to the bottom of the inner cavity of the fine filter cover (8); a booster pump (13) whose output end is conductively connected to the top end of the connecting pipe (11) is installed on the edge of the upper surface of the cover body (2); and a backwash nozzle (12) is installed on the outer wall of the bottom end of the connecting pipe (11); A drive motor (14) is mounted below the outer shell (1) via a bracket, and an output shaft of the drive motor (14) extends to the inner cavity of the outer shell (1). A connecting frame (15) is mounted at the power output end of the drive motor (14), and bristles (16) that fit the outer wall of the coarse filter cover (7) are mounted at the top of the connecting frame (15).

2. A multifunctional anti-fouling self-cleaning seawater filter according to claim 1, characterized in that: A sealing rubber ring (10) is inlaid on the lower surface of the mounting seat (9), and the sealing rubber ring (10) is in contact with the upper surface of the boss (6).

3. The multifunctional anti-fouling self-cleaning seawater filter according to claim 1, characterized in that: The backwashing nozzles (12) are provided in a plurality of groups, and the plurality of groups of backwashing nozzles (12) are distributed equidistantly in the axial position of the connecting pipe (11); Each group of backwash nozzles (12) is provided with a plurality of them at radial positions of the connecting pipe (11).

4. The multifunctional anti-fouling self-cleaning seawater filter according to claim 1, characterized in that: The axis center line of the output shaft of the driving motor (14) and the axis center line of the filter assembly are located on the same straight line.

5. The multifunctional anti-fouling self-cleaning seawater filter according to claim 1, characterized in that: A dynamic seal is installed at a position where the bottom of the outer shell (1) is connected to the output shaft of the drive motor (14).

6. The multifunctional anti-fouling self-cleaning seawater filter according to claim 1, characterized in that: The bottom of the outer shell (1) is provided with a sewage outlet (17) at an angle, and the angle between the axis of the sewage outlet (17) and the axis of the outer shell (1) is 45°.

7. The multifunctional anti-fouling self-cleaning seawater filter according to claim 6, characterized in that: A stop valve is installed at the end of the sewage outlet (17).

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