Vortex type marine self-cleaning seawater filter
The self-cleaning seawater filter with vortex design uses a drive mechanism to backwash the filter screen, solving the problem of incomplete removal of impurities from the filter screen pores and achieving automatic cleaning and efficient filtration.
Patent Information
- Application Number
- CN202520126366.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing marine seawater filters are unable to effectively remove impurities from the filter screen pores, resulting in decreased filtration efficiency and the need for frequent manual cleaning, which poses safety hazards.
Adopting a vortex design, the inlet and outlet pipes are changed in relation to the channel through a drive mechanism to achieve reverse flushing of the filter screen and automatically clean impurities from the filter screen pores.
It enables automatic cleaning of the filter, avoids filter clogging, reduces the need for manual maintenance, and improves filtration efficiency and safety.
Smart Images

Figure CN223716517U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to seawater filter technical field especially points to a vortex formula marine self -cleaning seawater filter. BACKGROUND
[0002] In the process of ship operation, seawater system is a crucial component. Seawater is widely used in ship's cooling, fire fighting, ballast and other systems. The purity of seawater plays a key role in the stable operation of these systems. If impurities, microorganisms, algae and other substances in seawater enter the ship's seawater system, it may cause a series of serious problems such as pipeline blockage, equipment wear and tear, corrosion and other problems, which will affect the normal navigation of the ship and the service life of the equipment. Therefore, seawater filter is provided on the seawater system of the ship to filter seawater. Common marine seawater filtering device mainly adopts traditional filtering method, such as filter screen filtering. This traditional filter can intercept larger particles in seawater to some extent, but as the use time increases, a large amount of dirt and impurities will accumulate on the surface of the filter screen, causing the filter screen to be blocked and the filtering efficiency to drop sharply. In order to maintain the filtering effect, the filter screen needs to be cleaned or replaced frequently. However, manual cleaning not only consumes a lot of manpower and time, but also is difficult to operate during the navigation of the ship, which poses a safety hazard.
[0003] The Chinese invention patent with publication number CN116422038A discloses a scraper type automatic seawater filter device, which comprises a seawater filter shell with a water inlet and a water outlet, an electric actuator installed on the seawater filter shell, a shaft body installed in the seawater filter shell, a scraper bit installed on the shaft body, and a differential pressure gauge connected to the water inlet and the water outlet. The differential pressure gauge is electrically connected to a control system, and the control system is electrically connected to the electric actuator. Since the resistance of the filter is measured by the differential pressure gauge, when the resistance increases to a certain threshold, it indicates that the filter is blocked, and the controller feeds back a control signal to the electric actuator, which automatically rotates the scraper to clean the filter screen, saving manpower and being suitable for spaces that are not easy to operate.
[0004] In this scheme, the scraper is used to remove the impurities on the filter screen, but it is difficult to remove the impurities inside the filter screen pores. Therefore, the purpose of the present application is to provide a filter that can remove the impurities inside the filter screen pores. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the above background technology, the utility model provides a vortex formula marine self-cleaning seawater filter, which solves the problem of incomplete removal of impurities inside the filter screen pores in the prior art.
[0006] The utility model discloses a technical scheme is as follows: a kind of vortex type marine self-cleaning seawater filter, including seal shell, vortex chamber is equipped in the seal shell, seal shell is equipped with passageway I and passageway II being connected with vortex chamber, passageway I and passageway II are all fixedly connected with end block;The end block is rotatably connected with connector, and the connector is communicated with inlet pipe and outlet pipe;Drive mechanism for driving end block relative to connector rotation is equipped on the connector, and drive mechanism can drive end block rotation and then switch inlet pipe and outlet pipe and the corresponding state of passageway I and passageway II;Filter screen is equipped in the vortex chamber, and passageway II is arranged along the tangential direction of vortex chamber.
[0007] Preferably, the connector is arranged on the support, and the support is fixed to the ground by anchor bolts.
[0008] Preferably, the drive mechanism includes a gear ring fixedly arranged on the outer wall of the end block, and the connector is provided with a drive motor, and the output end of the drive motor is provided with a drive gear engaged with the gear ring.
[0009] Preferably, the connector is provided with an external ring, a rotating sealing ring is arranged between the inner wall of the external ring and the outer wall of the end block, and the end face of the connector is provided with sliding sealing rings corresponding to the inlet pipe and the outlet pipe respectively. A rotating bearing is arranged between the external ring and the end block.
[0010] Preferably, the seal shell includes a ring body, the ring body is provided with an upper cover and a lower cover at two ends respectively, and the vortex chamber is formed between the ring body, the upper cover and the lower cover. The passageway I and the passageway II are communicated with the vortex chamber from the upper cover and the ring body respectively.
[0011] Preferably, the filter screen is a cylindrical filter screen, and the lower end of the filter screen is fixedly connected with the lower cover. The upper end opening of the filter screen corresponds to the inlet of the passageway I of the upper cover.
[0012] Preferably, the upper cover and the ring body are connected by bolts, and sealing rings are arranged on the connecting surfaces. The cylindrical filter screen is a metal filter screen, and a sealing ring is arranged on the upper end of the filter screen and matched with the upper cover.
[0013] The utility model discloses the beneficial effect: by setting up passageway II along the tangential direction of vortex chamber, can form vortex in vortex chamber when water is in the corresponding state of inlet pipe, and after filtering through filter screen, it is discharged from passageway I, realizes filtering capacity. By setting drive mechanism, end block and the whole rotating of the seal shell connected with end block can be driven, the corresponding state of inlet pipe and outlet pipe and passageway I and passageway II is changed, so as to connect inlet pipe with passageway I, realize reverse flushing to filter screen, complete cleaning to filter screen in the form of reverse flushing, realize automatic cleaning capacity. The self-cleaning process of the utility model is flexible and controllable, without replacing filter screen, can clean the impurities of the aperture of filter screen according to actual conditions, avoid the problem that cleaning is not in place in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present application, the drawings needed in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0015] Figure 1 It is a three-dimensional structure schematic diagram of the present application;
[0016] Figure 2 It is a driving mechanism separation state schematic diagram of the present application;
[0017] Figure 3 It is a sealed shell external structure schematic diagram of the present application;
[0018] Figure 4 It is a sealed shell internal structure schematic diagram of the present application;
[0019] In the figure: 1: sealed shell, 2: vortex cavity, 3: channel I, 4: channel II, 5: end block, 6: connecting head, 7: water inlet pipe, 8: water outlet pipe, 9: driving mechanism, 10: filter screen, 11: support, 91: gear ring, 92: driving motor, 61: external ring, 62: rotating sealing ring, 63: sliding sealing ring, 64: rotating bearing, 13: ring body, 14: upper cover, 15: lower cover. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0021] As Figure 1 , 4As shown in the embodiment 1, a vortex type marine self-cleaning seawater filter comprises a sealed shell 1, a vortex chamber 2 is arranged in the sealed shell 1, the sealed shell 1 is provided with a channel I 3 and a channel II 4 which are communicated with the vortex chamber 2, and the channel I 3 and the channel II 4 are fixedly connected with an end block 5. The end block 5 is rotationally matched with a connecting head 6, the connecting head 6 is communicated with a water inlet pipe 7 and a water outlet pipe 8. The connecting head 6 is provided with a driving mechanism 9 for driving the end block 5 to rotate relative to the connecting head 6, the driving mechanism 9 can drive the end block 5 to rotate and further switch the corresponding state of the water inlet pipe 7 and the water outlet pipe 8 with the channel I 3 and the channel II 4. In addition, in the embodiment, a filter screen 10 is arranged in the vortex chamber 2, the channel II 4 is arranged along the tangential direction of the vortex chamber 2, can form a vortex in the vortex chamber when water is entered in the corresponding state of the water inlet pipe, and is discharged from the channel I after being filtered through the filter screen, so that the filtering capacity is realized.
[0022] In addition, in the embodiment, in order to realize the fixation and support of the whole seawater filter, the connecting head 6 is arranged on a support 11, the support 11 is fixed to the ground through foundation bolts, so that the fixation and support of the filter are realized.
[0023] In the use of the embodiment, in the normal use, the channel II 4 corresponds to the water inlet pipe 7, and the channel I 3 corresponds to the water outlet pipe 8, so that after the seawater enters through the water inlet pipe, the seawater first enters the channel II, and then enters the vortex chamber in the tangential direction through the channel II, the seawater forms a vortex in the vortex chamber, and is discharged to the channel I after being filtered through the filter screen, and then is discharged to the water outlet pipe through the channel I.
[0024] When cleaning is needed after long-time filtering, the end block and the whole sealed shell connected therewith are driven to rotate by the driving mechanism, the corresponding state of the water inlet pipe and the water outlet pipe with the channel I and the channel II is changed, the water inlet pipe is communicated with the channel I, and the water outlet pipe is communicated with the channel II, so that the filter screen is reversely washed by the water flow, the cleaning of the filter screen is realized, and the automatic cleaning capacity is realized.
[0025] The self-cleaning process of the utility model is flexible and controllable, the filter screen does not need to be frequently replaced, the pores and impurities of the filter screen can be cleaned according to the actual situation, and the problem that cleaning is not in place in the prior art is avoided.
[0026] In the embodiment 2, a vortex type marine self-cleaning seawater filter is based on the embodiment 1, like Figure 2As shown, the driving mechanism 9 comprises a gear ring 91 fixed on the outer wall of the end block 5, and a driving motor 92 is arranged on the connecting head 6, and the output end of the driving motor 92 is provided with a driving gear engaged with the gear ring 91. In this embodiment, when cleaning, the driving motor works, and the output end of the driving motor drives the end block to rotate relative to the connecting head through the engagement of the driving gear and the gear ring. After rotating 180°, the corresponding states of the water inlet pipe 7 and the water outlet pipe 8 and the passages I 3 and II 4 are changed, so that the water flow of the water inlet pipe flows into the passage I, and the filter screen is reversely washed, so as to wash down the impurities attached to the filter screen or in the pores of the filter screen, realize the washing and cleaning effect, and the washed impurities and waste water flow into the water outlet pipe through the passage II.
[0027] As a further optional embodiment, a three-way joint is arranged on the water outlet pipe, the three-way joint is connected with the waste water pipe, and electromagnetic valves are arranged on the waste water pipe and the end of the water outlet pipe. When washing, the electromagnetic valve at the end of the water outlet pipe is closed, and the electromagnetic valve of the waste water pipe is opened, so as to discharge the washed waste water and impurities. When normal filtering, the electromagnetic valve at the end of the water outlet pipe is opened, and the electromagnetic valve of the waste water pipe is closed, so that the filtered water flows into the conventional water system through the water outlet pipe.
[0028] As a further specific embodiment, the connecting head 6 is provided with an external connecting ring 61, a rotating sealing ring 62 is arranged between the inner wall of the external connecting ring 61 and the outer wall of the end block 5, and the end face of the connecting head 6 is provided with sliding sealing rings 63 corresponding to the water inlet pipe 7 and the water outlet pipe 8 respectively. In addition, a rotating bearing 64 is arranged between the external connecting ring 61 and the end block 5. By arranging the rotating bearing, the stability of the structure during rotation is improved. In this embodiment, the rotating sealing ring 62 and the sliding sealing ring 63 can be selected from conventional rubber sealing rings. The sliding sealing ring is provided with a groove for accommodating the sliding sealing ring on the end face of the connecting head, and the sliding sealing ring is used for sealing the gap between the end face of the connecting head and the end block. Two sliding sealing rings are respectively corresponding to the water inlet pipe and the water outlet pipe, so as to avoid that the water flow directly flows from the water inlet pipe into the water outlet pipe at the gap. The rotating sealing ring 62 can play a secondary sealing protection role, further avoiding the leakage of water flow to the outside and polluting the rotating bearing or the external gear ring.
[0029] Embodiment 3, a vortex type marine self-cleaning seawater filter, based on embodiment 2, like Figure 3 、 4As shown, the sealing shell 1 comprises a ring body 13, the upper cover 14 and the lower cover 15 are arranged at both ends of the ring body 13 respectively, and the vortex chamber 2 is formed between the ring body 13, the upper cover 14 and the lower cover 15. In the embodiment, the upper cover 14 and the ring body 13 are connected by bolts, and the lower cover 15 and the ring body 13 are connected by bolts. The corresponding connecting surfaces are provided with sealing rings. The sealing ring is a conventional rubber sealing ring, which can form a seal to prevent water leakage. In addition, the bolt connection mode can realize the detachability of the upper cover and the lower cover, which is beneficial to the replacement of the filter screen and the replacement of the aging sealing parts such as the sealing ring after long-term use.
[0030] In addition, the channel I 3 is connected with the upper cover 14 and communicates with the vortex chamber 2, and the channel II is connected with the ring body and communicates with the vortex chamber 2. In the embodiment, the channel II and the channel I are in the form of pipes, which are fixed with the upper cover and the ring body by welding. The upper cover and the ring body are respectively provided with through holes corresponding to the inner holes of the channel II and the channel I pipes, so as to meet the flow of water. The axes of the two through holes are perpendicular to each other, which is beneficial to water inlet and drainage. The channel II is in the form of a straight pipe and is arranged along the tangential direction of the ring body. The channel I is in the form of a goose neck pipe, which meets the space layout requirement. The other ends of the channel I and the channel II are welded and fixed with the end block. The end block is provided with through holes corresponding to the channel I and the channel II, which meets the water flow.
[0031] In the embodiment, the filter screen 10 is in the form of a cylindrical filter screen. The lower end of the filter screen 10 is fixedly connected with the lower cover 15, so as to provide a connection and fixing basis for the filter screen. When the lower cover is removed, the filter screen can be taken out together for replacement or maintenance. In the embodiment, a compression ring can be arranged at the lower end of the filter screen. The compression ring is connected and fixed between the lower cover by bolts. The upper end opening of the filter screen 10 corresponds to the inlet of the channel I 3 of the upper cover 14. In the embodiment, the inner diameter of the filter screen is greater than the hole diameter of the through hole of the upper cover which is connected and matched with the channel I, so that the water flowing through the filter can be filtered.
[0032] Further, the cylindrical filter screen in the embodiment is a metal filter screen. The upper end of the filter screen 10 is provided with a sealing ring matched with the upper cover 14. In the use state, the sealing ring is in contact with the upper cover to form a seal, so that the water can only flow through the filter holes of the filter screen.
[0033] In the embodiment, the filter screen is designed in the form of a cylindrical filter screen. After the water flow enters the vortex chamber, it flows in the vortex chamber in the form of vortex flow. After being filtered by the filter screen, it is discharged from the channel I. The vortex flow in the vortex chamber through the filter screen can disturb the water flow direction, avoid the single water flow direction, and also can wash the impurities attached to the surface of the filter screen to a certain extent, improve the flow smoothness and self-cleaning ability.
[0034] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A vortex marine self-cleaning seawater filter, characterized in that: The utility model provides a kind of vortex chamber water heater, including sealing shell (1), the vortex chamber (2) is equipped in the sealing shell (1), sealing shell (1) is equipped with the passageway I (3) and passageway II (4) that communicate vortex chamber (2), passageway I (3) and passageway II (4) are fixedly connected with end block (5);The end block (5) is rotatably matched with connecting head (6), and connecting head (6) is communicated with inlet pipe (7) and outlet pipe (8);Connecting head (6) is equipped with the drive mechanism (9) for driving end block (5) relative connecting head (6) rotation, and drive mechanism (9) can drive end block (5) rotation and then switch inlet pipe (7) and outlet pipe (8) with the corresponding state of passageway I (3) and passageway II (4);The vortex chamber (2) is equipped with filter screen (10), and passageway II (4) is arranged along the tangential direction of vortex chamber (2).
2. The vortex marine self-cleaning sea water filter according to claim 1, characterized in that: Connecting head (6) is arranged on support (11), and support (11) is fixed to ground by anchor bolt.
3. The vortex shipboard self-cleaning seawater filter according to claim 2, characterized in that: Drive mechanism (9) includes gear ring (91) fixedly arranged on the outer wall of end block (5), and drive motor (92) is arranged on connecting head (6), and the output end of drive motor (92) is provided with driving gear engaged with gear ring (91).
4. The vortex marine self-cleaning sea water filter according to claim 3, characterized in that: Connecting head (6) is provided with external ring (61), and rotating sealing ring (62) is arranged between the inner wall of external ring (61) and the outer wall of end block (5), and the end face of connecting head (6) is provided with sliding sealing ring (63) corresponding to inlet pipe (7) and outlet pipe (8) respectively.
5. The vortex shipboard self-cleaning seawater filter according to claim 4, characterized in that: Rotating bearing (64) is arranged between external ring (61) and end block (5).
6. The self-cleaning sea water filter for a marine vessel according to any one of claims 1 to 5, characterized in that: Sealing shell (1) includes ring body (13), and upper cover (14) and lower cover (15) are arranged at both ends of ring body (13) respectively, and vortex chamber (2) is formed between ring body (13), upper cover (14) and lower cover (15);Passageway I (3) and passageway II (4) are communicated with vortex chamber (2) from upper cover (14) and ring body (13) respectively.
7. The vortex shipboard self-cleaning seawater filter according to claim 6, characterized in that: Filter screen (10) is a cylindrical filter screen, and the lower end of filter screen (10) is fixedly connected with lower cover (15).
8. The vortex shipboard self-cleaning seawater filter according to claim 7, characterized in that: The upper end opening of filter screen (10) corresponds to the inlet of passageway I (3) on upper cover (14).
9. The vortex shipboard self-cleaning seawater filter according to claim 8, characterized in that: Upper cover (14) and ring body (13) are connected by bolts, and sealing ring is arranged on the connecting surface.
10. The vortex shipboard self-cleaning seawater filter according to claim 9, characterized in that: The cylindrical filter screen is a metal filter screen, and sealing ring is arranged on the upper end of filter screen (10) and matched with upper cover (14).
Citation Information
Patent Citations
Scraping type automatic seawater filter device
CN116422038A