A self-cleaning filter and filtration system

Abstract

The utility model relates to a kind of self-cleaning filter and filtering system, and self-cleaning filter includes filter barrel, rotating filter core, the filter barrel includes sewage storage bottom cylinder, barrel body, barrel cover, rotating filter core is equipped in the barrel body, rotating filter core includes rotating seat, rotating vane, filter screen, the upper end side of barrel body is equipped with side water inlet chamber, side water inlet chamber inboard water outlet is obliquely arranged along filter barrel barrel wall, the lower surface of barrel cover is equipped with filter after water outlet pipe in middle, filter after water outlet pipe is located in rotating filter core, the upper surface of barrel cover is equipped with filter after water outlet end in middle, barrel cover is equipped with backflush water inlet end, backflush water inlet end is connected with backflush nozzle by backflush pipeline.The utility model rotating filter core and the design of separation support, can play effective filtering effect, and can effectively backflush rotating filter core without causing water flow disorder, filter and culture chamber form a cycle ecological system of filtration, culture, more suitable for providing filtering function for fish tank.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to a self-cleaning filter and filtration system. Background Technology

[0002] As living standards improve, many homes, shopping malls, and companies use fish tanks as decorations to raise ornamental fish, making their homes, businesses, and offices more beautiful and dynamic.

[0003] Fish tanks often contain fish food and waste. If left untreated, this can negatively impact water quality, causing ecological imbalances and oxygen deprivation for the fish. Therefore, aquarium filters are commonly used fishkeeping equipment for purifying and oxygenating the water. Their purpose is to remove waste and other pollutants, maintaining clear, oxygen-rich, and pollution-free water, creating an ideal environment for fish growth.

[0004] In the prior art, there are various aquarium filters that use filter cartridges as filters. For example, a fish tank filter separator and aquarium with authorization announcement number CN221128511 U are disclosed. The separator body includes a separator part, a support part, and a waste discharge part that are sequentially assembled and connected. The top of the separator part has an inlet, and the inside of the inlet has a filter component that can rotate axially. The side wall of the separator part has an outlet. The support part has a support funnel inside, and the top of the support funnel has a circular groove for installing the filter cartridge. The bottom side wall of the waste discharge part has a drain port. The bottom of the support funnel has a waterproof motor. The drive end of the waterproof motor is connected to the bottom of the filter cartridge and drives the filter cartridge to rotate axially. By using the waterproof motor to directly drive the filter cartridge to rotate, the entire filter cartridge rotates, thereby cleaning the residue or fish waste clogging the filter cartridge, resulting in a better and more thorough cleaning effect. However, the water in the aquarium contains a large amount of feces, bacteria, and other viscous substances. Once these get caught in the holes of the filter screen, they are difficult to fall off. The filter screen is flushed by starting a waterproof motor based on the amount of filter material accumulated on it. This flushing process is intermittent and can easily cause water flow disturbances. The fallen filter material may then be circulated back into the aquarium with the water flow, thus failing to achieve the purpose of filtration.

[0005] Simultaneously, the aquarium environment must possess both biotic and abiotic components of an ecosystem, along with sufficient aeration to achieve ecological balance. Overly clear filtered water is also detrimental to fish growth. The ecosystem needs a normal flora, in contrast to pathogenic bacteria, to decompose organic matter and transform harmful compounds like nitrogen and sulfur into stable, harmless substances through metabolism, thus purifying the water. Furthermore, maintaining a normal flora effectively inhibits the number of pathogenic bacteria, preventing various diseases, especially bacterial diseases, as the number of pathogenic microorganisms plays a crucial role in the infection of microbial diseases. A common method is to maintain this balance through aquascaping within the aquarium. However, if a complete tank relocation is necessary, the ecological balance must be re-established, a more complex process.

[0006] Therefore, there is an urgent need for a filtration system that can effectively filter for a long time and provide ecological balance. Summary of the Invention

[0007] To overcome the aforementioned shortcomings, the purpose of this utility model is to provide a self-cleaning filter and filtration system.

[0008] The technical solution adopted by this utility model to solve its technical problem is: a self-cleaning filter, including a filter barrel and a rotating filter element. The filter barrel includes a sludge storage bottom cylinder, a barrel body, and a barrel cover, arranged from bottom to top. The sludge storage bottom cylinder and the barrel body are detachably connected by a threaded structure, and the barrel body and the barrel cover are detachably connected by a threaded structure. A rotating filter element is provided inside the barrel body. The rotating filter element includes a rotating seat, rotating blades, and a filter screen. The rotating seat is assembled on a separation bracket and can rotate around the separation bracket. The filter element rotates away from the support. Rotating blades are evenly distributed on the upper side of the rotating base. The filter screen is fixed on the outer side of the rotating blades. A side water inlet chamber is provided on the upper side of the barrel body. A filter inlet is provided at the upper end of the side water inlet chamber. The water outlet inside the side water inlet chamber is obliquely arranged along the barrel wall. A filter outlet pipe is provided in the middle of the lower surface of the barrel cover. The filter outlet pipe is located inside the rotating filter element. A filter outlet is provided in the middle of the upper surface of the barrel cover. A backwash inlet is provided on the barrel cover. The backwash inlet is connected to the backwash nozzle through a backwash pipe.

[0009] Specifically, the rotating filter element also includes an upper fixing ring, which is located at the upper end of the filter blades and serves to connect and fix them. The diameter of the upper fixing ring is larger than the outer diameter of the rotating seat, and the whole has a conical structure. The outer side of the upper fixing ring is uniformly provided with protruding teeth.

[0010] Specifically, the rotating filter element is provided with a first filter partition and a second filter partition, the height of the first filter partition is smaller than that of the second filter partition, and a first guide plate and a second guide plate are provided below the lid.

[0011] Specifically, the separation bracket has a rotating hole in the middle, and a rotating shaft is provided in the lower middle part of the rotating seat. The rotating shaft is inserted into the rotating hole. The separation bracket includes two layers of conical brackets, namely a lower conical bracket and an upper conical bracket. A through hole is provided on the wall of the upper conical bracket.

[0012] Specifically, the bottom of the sludge storage cylinder is provided with a card seat in the middle, and the bottom of the separation bracket is provided with a card groove, which is engaged with the card seat.

[0013] Specifically, the backflush nozzle has two or more outlets, the outlet of the backflush nozzle forms a certain angle with the radial direction of the barrel body, the backflush nozzle faces the filter blades of the rotating filter element, and the spray angle is consistent with the rotation direction of the rotating filter element.

[0014] Specifically, a backwash chamber is provided inside the wall of the filtered water outlet pipe, and the backwash nozzle is located on the wall of the filtered water outlet pipe. The backwash pipeline, the bucket lid, and the filtered water outlet pipe are an integral structure.

[0015] Specifically, the side of the barrel is provided with a sterilization chamber, and an ultraviolet lamp is installed inside the sterilization chamber.

[0016] A self-cleaning filtration system includes the aforementioned filter, a water pump, and a culture chamber. The culture chamber includes a bottom culture chamber, a middle culture chamber, and a top culture cover. The water pump is located in the bottom culture chamber. An isolation net is provided at the bottom of the middle culture chamber, and culture blocks are provided on the isolation net. The inlet of the filter is connected to the inlet pipe, the outlet of the filter is connected to the outlet pipe, the outlet pipe is connected to the inlet of the water pump, the outlet of the water pump is located in the middle culture chamber, and an overflow pipe is provided in the culture chamber. The upper end of the overflow pipe is located at the top of the culture chamber, and the overflow pipe is connected to the terminal outlet pipe.

[0017] Specifically, the backwash inlet of the filter is connected to the backwash inlet pipe, which is equipped with a Venturi aeration pipe. The backwash inlet pipe can be connected to an external water source and is also connected to the culture chamber via a third adapter.

[0018] Specifically, the culture chamber is provided with an interface integration block on its side. The interface integration block is provided with a first adapter, a second adapter, and a reserved interface. The overflow pipe is connected to the terminal water outlet pipe through the first adapter. The filtered water outlet pipe is connected to the filtered transition pipe through the second adapter. The filtered transition pipe is connected to a three-way valve. One port of the three-way valve is connected to a self-priming pipe, which is connected to the culture chamber. The other port of the three-way valve is connected to the water pump inlet.

[0019] The beneficial effects of this utility model are as follows: The design of the filter, rotating filter element and separation bracket of this utility model can effectively filter the filter and can effectively backwash the rotating filter element without causing water flow disturbance. The sterilization chamber on the side can sterilize the inside of the filter. During the backwashing process, the Venturi aeration tube can oxygenate the filter. At the same time, it can ensure minimal friction in the sealed air chamber while preventing the wastewater before filtration from overflowing the filter screen and thus acting as an isolation. The filter and the culture chamber form a cyclical ecosystem for filtration and cultivation, which is more suitable for providing filtration function for aquariums. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the filter structure of this utility model.

[0021] Figure 2 This is an exploded view of the filter of this utility model.

[0022] Figure 3 This is a schematic diagram of the barrel cover structure of the filter of this utility model.

[0023] Figure 4 This is a schematic diagram of the filtration system structure of this utility model.

[0024] Figure 5 This is a schematic diagram of the culture chamber structure of this utility model.

[0025] In the diagram, 1 is the inlet water pipe, 2 is the filter, 210 is the sludge storage tank, 220 is the tank body, 230 is the tank lid, 2301 is the outlet water pipe after filtration, 2302 is the first guide plate, 2303 is the filter outlet, 2304 is the backwash inlet, 2305 is the backwash pipe, 2306 is the backwash nozzle, 2037 is the second guide plate, 201 is the side inlet chamber, 2011 is the inlet water pipe before filtration, 202 is the sterilization chamber, 203 is the filter drain pipe, 204 is the rotary filter element, 2041 is the rotary seat, 2042 is the rotating shaft, 2043 is the filter blade, 2044 is the first filter partition, and 2 is the second filter element. 045 Convex tooth, 2046 Second filter partition, 205 Separation bracket, 2051 Slot, 206 Slot seat, 3 Post-filter outlet pipe, 301 Post-filter transition pipe, 302 Three-way valve, 303 Self-priming pipe, 304 Adapter, 4 Culture bottom chamber, 5 Culture middle chamber, 6 Culture top cover, 7 Terminal outlet pipe, 701 Overflow pipe, 8 Interface integrated block, 801 Reserved interface, 802 First adapter, 803 Second adapter, 9 Backflush inlet pipe, 901 Venturi aeration pipe, 10 Water pump, 1001 Water pump inlet, 1002 Water pump outlet pipe. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] Example 1

[0028] like Figure 1 , 2 A self-cleaning filter as described in section 3 includes a filter barrel and a rotating filter element 204. The filter barrel includes a sludge storage bottom cylinder 210, a barrel body 220, and a barrel cover 230, arranged from bottom to top. The sludge storage bottom cylinder 210 and the barrel body 220 are detachably connected by a threaded structure, and the barrel body 220 and the barrel cover 230 are also detachably connected by a threaded structure. The rotating filter element 204 is provided inside the barrel body. The rotating filter element 204 includes a rotating seat 2041, rotating blades 2043, and a filter screen. The rotating blades 2043 are not shown in the figure for illustration purposes. The rotating seat 2041 is mounted on a separation bracket 205 and can rotate around the separation bracket 205. The upper side of the rotating seat 2041 is evenly distributed... The filter is equipped with rotating blades 2043, and the filter screen is fixed on the outside of the rotating blades 2043. The rotating blades 2043 have a rotation function and also a flow guiding function. The upper side of the barrel body 220 is provided with a side water inlet chamber 201, and the upper end of the side water inlet chamber 201 is provided with a filter inlet end 2011. The water outlet inside the side water inlet chamber 201 is obliquely arranged along the barrel wall of the filter barrel 3, so that the water inlet forms a vortex. The lower surface of the barrel cover 230 is provided with a filtered water outlet pipe 2301 in the middle, which is located inside the rotating filter element 204. The upper surface of the barrel cover 230 is provided with a filtered water outlet end 2303 in the middle. The barrel cover 230 is provided with a backwash water inlet end 2304, which is connected to the backwash nozzle 2306 through a backwash pipe 2305.

[0029] Specifically, the rotating filter element 204 also includes an upper fixing ring, which is located at the upper end of the filter blade 2043 and serves to connect and fix it. The diameter of the upper fixing ring is larger than the outer diameter of the rotating seat 2041, and the whole has a conical structure. The outer side of the upper fixing ring is evenly provided with protruding teeth 2045, which face the direction of water inlet in the side water inlet chamber 201. Under the impact of the water inlet, the rotation of the rotating filter element 204 can be accelerated.

[0030] Specifically, the rotating filter element 204 is provided with a first filter partition 2044 and a second filter partition 2046. The height of the first filter partition 2044 is smaller than that of the second filter partition 2046. Below the lid 230, there is a first guide plate 2302 and a second guide plate 2307. The first guide plate 2302 is located outside the first filter partition 2044, and the second guide plate 2307 is located between the first filter partition 2044 and the second filter partition 2046. A third guide plate 2308 is provided inside the second guide plate 2307. The heights of the first guide plate 2302, the second guide plate 2307, and the third guide plate 2308 gradually decrease, forming a sealed air chamber inside the lid 230. The rotating filter element 204 is designed with two layers of filter partitions, and the first filter partition 2044 and the second filter partition 2046 are located in the sealed air chamber of the lid 230. This ensures minimal friction while preventing pre-filter wastewater from overflowing the filter screen and thus playing a role in isolation. To ensure that the air in the air chamber is not sucked away due to long-term operation, a Venturi aeration pipe is designed at the backflushing inlet 2304, which can also play a role in oxygenating the water.

[0031] Specifically, the separation bracket 205 has a rotating hole in the middle, and the rotating seat 2041 has a rotating shaft 2042 in the lower middle. The rotating shaft 2042 is inserted into the rotating hole to achieve the connection function. The separation bracket 205 includes two layers of conical brackets, namely a lower conical bracket 2052 and an upper conical bracket 2053. The upper conical bracket 2053 has a through hole on its wall. The double-conical design ensures that the impurities have sufficient downward kinetic energy. The through hole in the upper conical bracket allows the water to circulate from the inside to the outside due to centrifugal force when the rotating filter element 204 rotates, while driving the impurities downward.

[0032] Specifically, the bottom cylinder 210 for storing sludge is provided with a card seat 206 in the middle, and the bottom of the separation bracket 205 is provided with a card groove 2051. The card groove 2501 is engaged with the card seat 206, which facilitates installation, disassembly and replacement.

[0033] Specifically, there are two or more backflush nozzles 2306. The water outlet of the backflush nozzle 2306 forms a certain angle with the radial direction of the barrel body 220. The backflush nozzle 2306 is directed toward the filter blades 2041 of the rotating filter element 204. The water spray angle is consistent with the rotation direction of the rotating filter element 204, which can also accelerate the rotation speed of the filter screen.

[0034] Specifically, a backwash chamber is provided inside the wall of the filtered water outlet pipe 2301, and the backwash nozzle 2306 is located on the wall of the filtered water outlet pipe 2301. The backwash pipe 2305, the bucket cover 230, and the filtered water outlet pipe 2301 are integrated into one structure to avoid complicated pipes that may affect the internal water flow.

[0035] Specifically, the side of the barrel 220 is provided with a sterilization chamber 202, and an ultraviolet lamp is installed in the sterilization chamber 2022 to sterilize the barrel and filter. A sealing cover 2021 is provided below the sterilization chamber 202 to facilitate the disassembly and installation of the ultraviolet lamp.

[0036] Specifically, a filter drain pipe 203 is provided on one side of the sludge storage bottom cylinder 210 to facilitate the discharge of filtered sludge.

[0037] Its working principle is as follows: The side water inlet chamber of the barrel 220 is located on one side, so that the water inlet forms a vortex and drives the rotating filter element 204 to rotate. The backwash nozzle 2306 is close to the filter screen, which can achieve a thorough cleaning of the rotating filter element 204. The spray angle of the backwash nozzle 2306 corresponds to the rotation direction of the rotating filter element 204, which can also accelerate the rotation speed of the filter screen. The water flows through the filter inlet end 201 and enters the barrel 220 from the side water inlet chamber 2011. After rotating along the inner wall of the barrel 220, it generates centrifugal force. The heavier impurities in the water flow are thrown to the outside due to centrifugal force. They are pressed to the separation bracket 205 by multiple downward guide plates on the barrel 220 and finally sink into the sludge storage bottom tank 210. The lighter impurities are intercepted by the filter screen and then cleaned by the backwash nozzle 2306 on the barrel cover 230 and blown to the outside, continuing to be centrifugally separated and sinking into the sludge storage bottom tank 210.

[0038] Example 2

[0039] like Figure 4 , 5 The self-cleaning filtration system shown includes the filter 2 described above, a water pump 10, and a culture chamber. The culture chamber includes a bottom culture chamber 4, a middle culture chamber 5, and a top culture cover 6. The water pump is located inside the bottom culture chamber 5. The bottom of the middle culture chamber 5 is provided with an isolation net 502, and culture blocks 501 are provided on the isolation net 502. The culture blocks 501 are made of one or more materials such as petrified wood, pine bark stone, green dragon stone, and volcanic rock. The inlet water inlet 2011 of the filter 2 is connected to the inlet water inlet pipe 1, and the outlet water outlet 2303 of the filter 2 is connected to the filter... The rear outlet pipe 3 is connected to the water pump inlet 1001 of the water pump 10. The water pump outlet of the water pump 10 is located in the culture block 502 of the culture chamber 5. The culture chamber 4 is equipped with an overflow pipe 701. The upper end of the overflow pipe 701 is located at the top of the culture chamber. The overflow pipe 701 is connected to the terminal outlet pipe 7. The terminal outlet pipe 7 is connected into the fish tank to supply the fish tank with filtered water. After passing through the ecological culture chamber, there will be normal bacteria in the culture chamber. The filtered circulating water containing normal bacteria is then injected into the fish tank to realize the ecological cycle function.

[0040] Specifically, the backwash inlet 3304 of the filter 2 is connected to the backwash inlet pipe 9. The backwash inlet pipe 9 is equipped with a Venturi aeration pipe 901. The backwash inlet pipe 9 can be connected to an external water source. The backwash inlet pipe 9 is also connected to the culture chamber through a third adapter for backwashing the filter.

[0041] Specifically, the culture cover 6 and the culture chamber 5 are detachably connected to facilitate the replacement of the internal culture block 502. The culture chamber 5 has an interface integration block 8 on its side. The interface integration block 8 has a first adapter 802, a second adapter 803, and a reserved interface 801. The overflow pipe 701 is connected to the terminal water outlet pipe 7 through the first adapter. The filtered water outlet pipe 3 is connected to the filtered transition pipe 301 through the second adapter 803. The filtered transition pipe 301 is connected to a three-way valve 302. One port of the three-way valve 302 is connected to a self-priming pipe 303, which is connected to the culture chamber. The other port of the three-way valve 302 is connected to the water pump inlet 1001. By adjusting the three-way valve, the circulation function can be achieved by the power of the water pump 10, or the self-priming function can be achieved by balancing its own pressure. The culture bottom chamber 4 has a culture drain port 401 at the bottom to discharge the long-term deposited dirt.

[0042] This utility model is not limited to the described embodiments. Anyone should know that any structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model.

[0043] The technologies, shapes, and structures not described in detail in this utility model are all known technologies.

Claims

1. A self-cleaning filter, comprising a filter barrel and a rotating filter element, wherein the filter barrel includes a sludge storage bottom cylinder, a barrel body, and a barrel cover, characterized in that: The barrel body is equipped with a rotating filter element, which includes a rotating seat, rotating blades, and a filter screen. The rotating seat is mounted on a separation bracket. Rotating blades are evenly distributed on the upper side of the rotating seat. The filter screen is fixed on the outer side of the rotating blades. The upper side of the barrel body is equipped with a side water inlet chamber. The upper end of the side water inlet chamber is equipped with a filter inlet. The water outlet inside the side water inlet chamber is obliquely arranged along the barrel wall. The lower surface of the barrel cover is equipped with a filtered water outlet pipe located inside the rotating filter element. The upper surface of the barrel cover is equipped with a filtered water outlet. The barrel cover is equipped with a backwash water inlet, which is connected to the backwash nozzle through a backwash pipe.

2. The self-cleaning filter according to claim 1, characterized in that: The rotating filter element also includes an upper fixing ring, which is located at the upper end of the filter blades. The diameter of the upper fixing ring is larger than the outer diameter of the rotating seat, and the outer side of the upper fixing ring is uniformly provided with protruding teeth.

3. A self-cleaning filter according to claim 1, characterized in that: The rotating filter element is provided with a first filter partition and a second filter partition. The height of the first filter partition is smaller than that of the second filter partition. A first guide plate and a second guide plate are provided below the lid.

4. A self-cleaning filter according to claim 1, characterized in that: The separation bracket has a rotating hole in the middle, and a rotating shaft is provided in the lower middle part of the rotating seat. The rotating shaft is inserted into the rotating hole. The separation bracket includes two layers of conical brackets, namely a lower conical bracket and an upper conical bracket. A through hole is provided on the wall of the upper conical bracket.

5. A self-cleaning filter according to claim 1, characterized in that: The bottom of the sludge storage cylinder is provided with a card seat in the middle, and the bottom of the separation bracket is provided with a card slot, which is engaged with the card seat.

6. A self-cleaning filter according to claim 1, characterized in that: The backwash nozzle is provided in two or more. The water outlet of the backwash nozzle forms a certain angle with the radial direction of the barrel body. The backwash nozzle is directed toward the filter blades of the rotating filter element, and the water spray angle is consistent with the rotation direction of the rotating filter element.

7. A self-cleaning filter according to claim 1, characterized in that: The filtered water outlet pipe has a backwash chamber inside its pipe wall, and the backwash nozzle is located on the pipe wall of the filtered water outlet pipe. The backwash pipeline, the bucket lid, and the filtered water outlet pipe are an integral structure.

8. A self-cleaning filter according to claim 1, characterized in that: The side of the barrel is equipped with a sterilization chamber, and ultraviolet lamps are installed inside the sterilization chamber.

9. A self-cleaning filtration system, characterized in that: The self-cleaning filter, including any one of claims 1 to 8, further includes a water pump and a culture chamber. The culture chamber includes a bottom culture chamber, a middle culture chamber, and a top culture cover. The water pump is located in the bottom culture chamber. An isolation net is provided at the bottom of the middle culture chamber, and culture blocks are provided on the isolation net. The inlet water end of the filter is connected to the inlet water pipe, the outlet water end of the filter is connected to the outlet water pipe, the outlet water pipe is connected to the inlet water end of the water pump, the outlet water end of the water pump is located in the middle culture chamber, and an overflow pipe is provided in the culture chamber. The upper end of the overflow pipe is located at the top of the culture chamber, and the overflow pipe is connected to the terminal outlet water pipe.

10. A self-cleaning filtration system according to claim 9, characterized in that: The backwash inlet of the filter is connected to the backwash inlet pipe, which is equipped with a Venturi aeration pipe. The backwash inlet pipe can be connected to an external water source and is also connected to the culture chamber via a third adapter. The culture chamber has an interface integration block on its side, which includes a first adapter, a second adapter, and a reserved interface. The overflow pipe is connected to the terminal outlet pipe via the first adapter, and the filtered outlet pipe is connected to the filtered transition pipe via the second adapter. The filtered transition pipe is connected to a three-way valve, one port of which is connected to a self-priming pipe, which is connected to the culture chamber. The other port of the three-way valve is connected to the water pump inlet.

Images