A filtration system, fish tank and fish pond

Abstract

The utility model provides a filter system, fish tank and fish pond belong to fish tank filter technical field, including clean water storehouse, the side of clean water storehouse is arranged with biochemical bacteria cultivation storehouse and multistage physical filter storehouse in proper order, multistage physical filter storehouse, biochemical bacteria cultivation storehouse and clean water storehouse are connected in proper order, and water body flows between adjacent chambers through overflow mode, multistage physical filter storehouse is fixedly connected with water inlet pipe, clean water storehouse is fixedly connected with water outlet pipe, the bottom of multistage physical filter storehouse is connected with clean water storehouse through communicating pipe, first valve is equipped on communicating pipe, can open first valve, so that multistage physical filter storehouse and clean water storehouse are communicated, and the water body after multistage physical filtration directly flows into clean water storehouse through communicating pipe, and does not flow into biochemical bacteria cultivation storehouse again, the ecological integrity and systematicness of biochemical bacteria cultivation storehouse are protected to the maximum extent, the collapse of nitrification system is avoided, and the ecological environment of water body and organism is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of aquarium filtration technology, and in particular to a filtration system, aquarium, and fish pond. Background Technology

[0002] As living standards continue to improve, many people keep ornamental fish in aquariums at home. During the growth process, fish need to be fed, and their metabolic waste is directly discharged into the water. If the water is not filtered in time, it will become polluted, yellow, and smelly, no longer suitable for aquatic life. The quality of water filtration directly affects the growth and reproduction of fish.

[0003] To ensure water quality, existing aquariums generally combine water changes with in-tank filtration. The aquarium filtration system consists of physical filtration and biological filtration, which work together in series. Physical filtration removes impurities, feces, and food residue from the water, while the core of biological filtration is nitrifying and denitrifying bacteria, which convert harmful substances such as ammonia nitrogen and nitrite in the water into harmless nitrates.

[0004] When disinfecting water bodies and treating fish diseases, various bactericides and medications are used. Existing filtration systems, which combine physical and biological filtration in series, deliver these medications to the biological filter chamber. While these medications kill pathogens in the water, they also kill the bacteria that purify the water, affecting the filtration effect. In addition, tap water is generally used for water changes, and chemical agents are used to neutralize the chlorine in the water. The amount used cannot be precisely controlled during use. Using dechlorinated tap water that has been left to stand creates a large temperature difference between the water and the tank, which can cause discomfort to the fish and lead to various diseases. Furthermore, the containers used for dechlorinating tap water are large, making container transport and water transfer difficult. Utility Model Content

[0005] To address the technical problem in existing aquarium filtration systems described above, where physical and biological filtration are connected in series, and in-tank bactericides and medications for treating fish diseases can easily affect the effectiveness of biological filtration, this invention provides a filtration system.

[0006] The technical solution of this utility model is as follows:

[0007] This utility model provides a filtration system, including a water purification chamber. A biochemical culture chamber and a multi-stage physical filtration chamber are arranged sequentially on one side of the water purification chamber. The multi-stage physical filtration chamber, biochemical culture chamber, and water purification chamber are connected in series. Water flows between adjacent chambers via overflow. The multi-stage physical filtration chamber is fixedly connected to an inlet pipe, and the water purification chamber is fixedly connected to an outlet pipe. The bottom of the multi-stage physical filtration chamber is connected to the water purification chamber via a connecting pipe, which is equipped with a first valve. The cooperation between the multi-stage physical filtration chamber and the biochemical culture chamber effectively improves the water filtration effect. The bottom of the multi-stage physical filtration chamber is connected to the water purification chamber via the connecting pipe and is equipped with a valve. When the first valve is opened, the biochemical culture chamber is bypassed. During water disinfection and the addition of medications, harmful bacteria and algae are killed while maximizing the protection of the ecological integrity and systemic nature of the biochemical culture chamber (nitrification and denitrification, etc.), preventing the collapse of the nitrification system, and ensuring a healthy ecological environment for the water and organisms.

[0008] Preferably, it also includes a water storage tank to facilitate the aeration and dechlorination of the water. The water storage tank is connected to the water purification tank, and a second valve is provided between the water storage tank and the water purification tank. The water storage tank can store a certain amount of purified water, which can be replenished in time during water changes and other operations to ensure the relative stability of the water environment in the fish tank or fish pond.

[0009] Preferably, the multi-stage physical filtration chamber contains multiple physical filtration chambers arranged in series. The first-stage physical filtration chamber contains large-gap filter media and is connected to the inlet pipe. The last-stage physical filtration chamber contains fine-mesh filter media and is connected to the connecting pipe. The large-gap filter media can quickly filter out larger impurities in the water, initially purifying the water quality and reducing the burden on subsequent filtration. The fine-mesh filter media can further filter out tiny impurities, making the water clearer. The multi-stage series connection and the combination of different filter media achieve progressive and refined filtration of the water, improving the filtration effect. The connection of the last-stage physical filtration chamber to the connecting pipe ensures that clean water containing chemicals can directly enter the water purification chamber, ensuring water filtration while avoiding damage to the ecological environment of the biochemical culture chamber by the chemicals.

[0010] Preferably, adjacent physical filtration chambers, physical filtration chambers and biochemical culture chambers, and biochemical culture chambers and water purification chambers are all connected by baffle components. The baffle components make the water flow tortuously between the chambers, prolonging the residence time of the water in each chamber and increasing the contact opportunities between the water and the filter media, microorganisms, etc., thereby improving the effect of physical filtration and biochemical filtration and making the water purification more thorough.

[0011] Preferably, the multi-stage physical filtration chamber, the biochemical culture chamber, and the water purification chamber are all box / cassette structures, stacked sequentially from top to bottom. Adjacent chambers are connected by connecting pipes, and the multi-stage physical filtration chamber and the water purification chamber are connected by connecting pipes and overflow pipes. The box (cassette) structure facilitates manufacturing, installation, and assembly, saving space. The top-down stacking layout is compact and reasonable, utilizing gravity to allow water to flow naturally, reducing energy consumption. Multiple connection methods, including connecting pipes, connecting pipes, and overflow pipes, ensure stable and efficient water circulation between the chambers.

[0012] This utility model provides a fish tank, including: a fish tank body and a filtration system. The multi-stage physical filtration chamber is connected to the fish tank body through an inlet pipe, the purified water chamber is connected to the fish tank body through an outlet pipe, and the reserve water chamber is fitted to the fish tank body. Through overall heat conduction, the water temperature is kept the same as that of the fish tank water, thus avoiding the harm to fish caused by large temperature differences.

[0013] Preferably, the filtration system is installed at the bottom / left / right / back / top of the main body of the aquarium, offering multiple installation options. This allows for flexible adjustment based on the aquarium's placement environment, spatial layout, and user needs, improving the filtration system's applicability and ease of installation.

[0014] This utility model provides a fish pond that uses the above-mentioned filtration system, which can effectively purify the water in the fish pond, remove impurities and harmful substances, cultivate beneficial microorganisms, and provide a healthier living environment for fish. At the same time, the system's adjustability and high-efficiency filtration capabilities can adapt to the large water volume and complex water quality conditions of the fish pond.

[0015] As can be seen from the above technical solutions, the advantages of this utility model are:

[0016] 1. The combination of multi-stage physical filtration chambers and biological culture chambers can effectively improve the water filtration effect. The bottom of the multi-stage physical filtration chamber is connected to the water purification chamber through a connecting pipe and is equipped with a valve. When medicines are added to the main body of the aquarium, in order to avoid damage to the microorganisms (bacteria, etc.) in the biological culture chamber, the first valve can be opened to connect the multi-stage physical filtration chamber and the water purification chamber. The water after multi-stage physical filtration flows directly into the water purification chamber through the connecting pipe, and no longer flows into the biological culture chamber. This maximizes the protection of the ecological integrity and system of the biological culture chamber (nitrification and denitrification, etc.), avoids the collapse of the nitrification system, and protects the ecological environment of the water and organisms.

[0017] 2. A water preparation tank is set up and connected to the water purification tank. This not only allows the water to be cooled and dechlorinated, but also ensures that the water temperature is the same as that of the aquarium water through overall heat conduction. It also allows the dechlorinated water to be discharged into the water purification tank and mixed with the water in the purification tank to replenish the water. The setting of the water preparation tank eliminates the need for an additional water cooling container, which facilitates water cooling, water transfer, and water filling.

[0018] 3. Adjacent physical filtration chambers, physical filtration chambers and biochemical culture chambers, and biochemical culture chambers and water purification chambers are all connected by baffle components. The baffle components make the water flow tortuously between the chambers, prolonging the residence time of the water in each chamber and increasing the contact opportunities between the water and the filter media, microorganisms, etc., thereby improving the effect of physical filtration and biochemical filtration and making the water purification more thorough. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic front view of the bottom-filter type filtration system according to one or more embodiments of the present invention. Figure 1 ;

[0021] Figure 2 This is a schematic front view of the bottom-filter type filtration system according to one or more embodiments of the present invention. Figure 2 ;

[0022] Figure 3 for Figure 2 A top view schematic diagram of the bottom-filter type filtration system shown;

[0023] Figure 4 This is a top view of the side-filtering filtration system according to one or more embodiments of the present invention. Figure 1 ;

[0024] Figure 5 This is a top view of the side-filtering filtration system according to one or more embodiments of the present invention. Figure 2 ;

[0025] Figure 6 This is a top view of the back filter system according to one or more embodiments of the present invention. Figure 1 ;

[0026] Figure 7 This is a top view of the back filter system according to one or more embodiments of the present invention. Figure 2 ;

[0027] Figure 8 This is a schematic front view of the top-filter type filtration system according to one or more embodiments of the present invention. Figure 1 ;

[0028] Figure 9 This is a front view structural diagram of a box / cassette type filtration system according to one or more embodiments of the present invention;

[0029] Figure 10 This is a schematic front view of the bottom-filter type filtration system according to one or more embodiments of the present invention. Figure 3 ;

[0030] The components represented by the various reference numerals in the diagram are:

[0031] 1. First physical filtration chamber; 2. Second physical filtration chamber; 3. Biochemical culture chamber; 4. Purified water chamber; 5. Reserve water chamber; 6. Inlet pipe; 7. Outlet pipe; 8. Drain pipe; 9. Water injection pipe; 10. Connecting pipe; 11. T-junction; 12. First valve; 13. Second valve; 14. Third valve; 15. Fourth valve; 16. Fish tank body; 17. First baffle; 18. Second baffle; 19. Partition; 20. Overflow pipe; 21. Siphon pipe; 22. Connecting pipe. Detailed Implementation

[0032] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0033] Example 1

[0034] In a typical embodiment of this utility model, such as Figure 1 As shown, a filtration system is proposed. In this embodiment, the filtration system is a bottom filter type, that is, it is set at the bottom of the aquarium body 16. The filtration system includes: a multi-stage physical filtration chamber, a biological culture chamber 3, and a water purification chamber 4 arranged in series. The water flows between adjacent chambers by overflow. The multi-stage physical filtration chamber contains multiple physical filtration chambers arranged in series. In this embodiment, there are two, namely the first physical filtration chamber 1 (which can be understood as the first-stage physical filtration chamber) and the second physical filtration chamber 2 (which can be understood as the last-stage physical filtration chamber). The first physical filtration chamber 1 and the second physical filtration chamber 2 are connected in series to achieve multi-stage physical filtration of the water, reduce the load on the biological culture chamber 3, and improve the overall filtration efficiency.

[0035] It is understandable that the height of each of the multi-stage physical filtration chamber, the biochemical culture chamber 3, and the water purification chamber 4 can be determined according to the actual design requirements. They can be at the same height or not. No further restrictions will be imposed here.

[0036] The first physical filtration chamber 1 is fixedly connected to the inlet pipe 6, which is used to connect to the main body of the aquarium 16. The water in the main body of the aquarium 16 can enter the first physical filtration chamber 1 through the inlet pipe 6 and flow through each level of physical filtration chamber in sequence. After multi-stage physical filtration, the water flows into the biological culture chamber 3 for biological filtration to improve water quality. After filtration, the water enters the water purification chamber 4 for storage. The water purification chamber 4 is fixedly connected to the outlet pipe 7, which is also connected to a water pump, so that the clean water in the water purification chamber 4 can be pumped into the main body of the aquarium 16 to complete the circulation filtration of the water in the main body of the aquarium 16.

[0037] Understandably, the specific number of multi-stage physical filter chambers can be selected and determined according to actual needs, and can be 2, 3 or more. No further restrictions are imposed here.

[0038] In this embodiment, the first physical filtration chamber 1 and the second physical filtration chamber 2, the second physical filtration chamber 2 and the biochemical culture chamber 3, and the biochemical culture chamber 3 and the purified water chamber 4 are all connected by a baffle assembly to ensure that the water in each chamber has sufficient filtration reaction time.

[0039] like Figure 1 As shown, the baffle assembly between the first physical filtration chamber 1 and the second physical filtration chamber 2 includes two opposing first baffle plates 17 and one second baffle plate 18. The two first baffle plates 17 are vertically fixed, and the second baffle plate 18 is vertically fixed between the two first baffle plates 17. The bottom of the second baffle plate 18 is higher than the bottom of the first baffle plate 17, and the top of the second baffle plate 18 is higher than the top of the first baffle plate 17. Thus, the water in the first physical filtration chamber 1 undergoes primary physical filtration. When the liquid level in the first physical filtration chamber 1 is higher than the top of the first baffle plate 17, the water flows between the first baffle plate 17 and the second baffle plate 18, and after being deflected, flows into the second physical filtration chamber 2 for secondary physical filtration.

[0040] In this embodiment, the first physical filtration chamber 1 contains large-gap filter media, such as brush filter media, volcanic rock filter media, ceramic granule filter media, and fiber filter media, for coarse filtration of the water. The large-gap filter media is easy to clean and can be repeatedly recycled, making it economical and efficient. The bottom of the first physical filtration chamber 1 is connected to the drain pipe 8, which is equipped with a third valve 14. The drain pipe 8 is located at the physical filtration chamber of the large-gap filter media to facilitate cleaning of the large-gap filter media and discharge of large particles of dirt. The second physical filtration chamber 2 is fixedly equipped with a partition 19, which is a perforated partition to allow water to pass through. Fine filter media, such as filter cotton, fiber filter media, garnet filter media, and ultra-fine ultra-dense aquarium funnel filter cloth, are placed above the partition 19 to improve the physical filtration effect of the water.

[0041] The baffle assembly between the second physical filtration chamber 2 and the biochemical culture chamber 3 includes a first baffle plate 17 and a second baffle plate 18 fixed vertically. The first baffle plate 17 and the second baffle plate 18 are arranged opposite to each other, with the first baffle plate 17 close to the biochemical culture chamber 3 and the second baffle plate 18 close to the second physical filtration chamber 2. The bottom of the second baffle plate 18 is higher than the bottom of the first baffle plate 17, the top of the second baffle plate 18 is higher than the top of the first baffle plate 17, and the bottom of the second baffle plate 18 is lower than the partition plate 19. The water filtered in the second physical filtration chamber 2 collects below the partition plate 19 and flows between the second baffle plate 18 and the first baffle plate 17, and then flows into the biochemical culture chamber 3 through overflow to ensure the cleanliness of the water entering the biochemical culture chamber 3.

[0042] The baffle assembly between the biochemical culture chamber 3 and the purified water chamber 4 includes a first baffle plate 17 and a second baffle plate 18 fixed vertically. The first baffle plate 17 and the second baffle plate 18 are arranged opposite to each other, with the first baffle plate 17 close to the purified water chamber 4 and the second baffle plate 18 close to the biochemical culture chamber 3. The bottom of the second baffle plate 18 is higher than the bottom of the first baffle plate 17, and the top of the second baffle plate 18 is higher than the top of the first baffle plate 17. The filtered water in the biochemical culture chamber 3 flows between the second baffle plate 18 and the first baffle plate 17, and then flows into the purified water chamber 4 through overflow to ensure the cleanliness of the water entering the purified water chamber 4.

[0043] The bottom of the second physical filtration chamber 2 is connected to the bottom of the water purification chamber 4 via a connecting pipe 10. A first valve 12 is installed on the connecting pipe 10, which can control the flow between the second physical filtration chamber 2 and the water purification chamber 4. For example, when medicine is added to the aquarium body 16, to avoid damage to the microorganisms (bacteria, etc.) in the biochemical culture chamber 3, the first valve 12 can be opened to connect the second physical filtration chamber 2 and the water purification chamber 4. The water after multi-stage physical filtration can then be directly connected through the connecting pipe. Pipe 10 flows into the water purification chamber 4, but no longer into the biological culture chamber 3, thus effectively avoiding damage to the microorganisms in the biological culture chamber 3 by the chemicals. That is, the physical filtration chamber and the water purification chamber 4 are connected by the connecting pipe 10, bypassing the biological culture chamber 3. When disinfecting the water or adding drugs for disease, harmful bacteria and algae can be killed at the same time, while protecting the ecological integrity and system of the biological culture chamber 3 (nitrification and denitrification, etc.) to the greatest extent, avoiding the collapse of the nitrification system, and protecting the ecological environment of the water body and organisms.

[0044] It is understandable that the connecting pipe 10 can be installed inside or outside the cylinder, depending on the actual needs, and no further restrictions are imposed here.

[0045] The filtration system also includes a water preparation tank 5, which can be transparent, semi-transparent, or opaque, for the purpose of aerating the water and removing chlorine. The water preparation tank 5 is connected to the connecting pipe 10 via a tee 11. A second valve 13 is installed at the outlet of the water preparation tank 5 to control the discharge of water from the water preparation tank 5 into the clean water tank 4. The water preparation tank 5 is also connected to the water inlet pipe 9, which is equipped with a fourth valve 15 for filling water into the water preparation tank 5. The water preparation tank 5 not only allows the water to be aerated and dechlorinated, achieving the same temperature as the aquarium water through overall heat conduction, but also allows the dechlorinated water to be discharged into the clean water tank and mixed with the water in the clean water tank to replenish the water. The water preparation tank 5 eliminates the need for an additional aeration container, facilitating the aeration, water transfer, and water filling processes.

[0046] like Figure 1 As shown, in this embodiment, the water preparation tank 5 is located on the side of the purified water tank 4 away from the biochemical culture tank 3, as... Figure 2 and Figure 3 As shown, the water preparation tank 5 can also be set around the entire multi-stage physical filtration tank, biochemical culture tank 3 and water purification tank 4. The specific location of the water preparation tank 5 can be selected according to actual needs, and there are no restrictions here.

[0047] like Figure 10 As shown, in other embodiments, the connecting pipe 10 can also be replaced by a siphon pipe 21. In this case, the second physical filter chamber 2 is connected to the purified water chamber 4 through the siphon pipe 21, and the water preparation chamber 5 is also connected to the purified water chamber 4 through the siphon pipe 21.

[0048] Example 2

[0049] In a typical embodiment of this utility model, such as Figure 4 and Figure 5 As shown, a filtration system is proposed. In this embodiment, the filtration system is a side-filter type, that is, it is set on one side (left or right) of the aquarium body 16. The filtration system includes: a multi-stage physical filtration chamber, a biological culture chamber 3, and a water purification chamber 4 arranged in series. The water flows between adjacent chambers by overflow. The multi-stage physical filtration chamber contains multiple physical filtration chambers arranged in series. In this embodiment, there are two, namely the first physical filtration chamber 1 and the second physical filtration chamber 2. The first physical filtration chamber 1 and the second physical filtration chamber 2 are connected in series to realize multi-stage physical filtration of the water, reduce the load on the biological culture chamber 3, and improve the overall filtration efficiency.

[0050] The first physical filter chamber 1 is fixedly connected to the inlet pipe 6, and the purified water chamber 4 is fixedly connected to the outlet pipe 7. The outlet pipe 7 is also connected to the water pump, so that the clean water in the purified water chamber 4 can be pumped into the aquarium body 16 to complete the circulation filtration of the water in the aquarium body 16. The bottom of the second physical filter chamber 2 is connected to the bottom of the purified water chamber 4 through the connecting pipe 10, and the connecting pipe 10 is equipped with a first valve 12.

[0051] The filtration system also includes a water preparation tank 5, which is a transparent tank for aerating the water and removing chlorine. The water preparation tank 5 is connected to the purified water tank 4 through an outlet. A second valve 13 is provided at the outlet of the water preparation tank 5 to control the discharge of water from the water preparation tank 5 into the purified water tank 4. The water preparation tank 5 is also connected to a water inlet pipe 9, which is equipped with a fourth valve 15 for filling water into the water preparation tank 5. The water preparation tank 5 not only allows the water to be aerated and dechlorinated, achieving the same temperature as the aquarium water through overall heat conduction, but also discharges the dechlorinated water into the purified water tank to mix with the water in the purified water tank, thus replenishing the water. The water preparation tank 5 eliminates the need for an additional aeration container, facilitating aeration, water transfer, and water filling. In this embodiment, the water preparation tank 5 is located on the back side of the aquarium body 16.

[0052] Example 3

[0053] In a typical embodiment of this utility model, such as Figure 6 and Figure 7As shown, a filtration system is proposed. In this embodiment, the filtration system is a back filter type, that is, it is set on the back side of the aquarium body 16. The filtration system includes: a multi-stage physical filtration chamber, a biological culture chamber 3, and a water purification chamber 4 arranged in series. The water flows between adjacent chambers by overflow. The multi-stage physical filtration chamber contains multiple physical filtration chambers arranged in series. In this embodiment, there are two, namely the first physical filtration chamber 1 and the second physical filtration chamber 2. The first physical filtration chamber 1 and the second physical filtration chamber 2 are connected in series to realize multi-stage physical filtration of the water, reduce the load on the biological culture chamber 3, and improve the overall filtration efficiency.

[0054] The first physical filter chamber 1 is fixedly connected to the inlet pipe 6, and the purified water chamber 4 is fixedly connected to the outlet pipe 7. The outlet pipe 7 is also connected to the water pump, so that the clean water in the purified water chamber 4 can be pumped into the aquarium body 16 to complete the circulation filtration of the water in the aquarium body 16. The bottom of the second physical filter chamber 2 is connected to the bottom of the purified water chamber 4 through the connecting pipe 10, and the connecting pipe 10 is equipped with a first valve 12.

[0055] The filtration system also includes a water preparation tank 5, which is a transparent tank for aerating the water and removing chlorine. The water preparation tank 5 is connected to the purified water tank 4 through an outlet. A second valve 13 is provided at the outlet of the water preparation tank 5 to control the discharge of water from the water preparation tank 5 into the purified water tank 4. The water preparation tank 5 is also connected to a water inlet pipe 9, which is equipped with a fourth valve 15 for filling water into the water preparation tank 5. The water preparation tank 5 not only allows the water to be aerated and dechlorinated, achieving the same temperature as the aquarium water through overall heat conduction, but also discharges the dechlorinated water into the purified water tank to mix with the water in the purified water tank, thus replenishing the water. The water preparation tank 5 eliminates the need for an additional aeration container, facilitating aeration, water transfer, and water filling. In this embodiment, the water preparation tank 5 is located on one side (left or right) of the aquarium body 16.

[0056] Example 4

[0057] In a typical embodiment of this utility model, such as Figure 8 As shown, a filtration system is proposed. In this embodiment, the filtration system is a top filter, which is set on the upper side of the aquarium body 16 (not completely covering the top opening of the aquarium body 16). The filtration system includes: a multi-stage physical filtration chamber, a biological culture chamber 3, and a water purification chamber 4 arranged in series. The water flows between adjacent chambers by overflow. The multi-stage physical filtration chamber contains multiple physical filtration chambers arranged in series. In this embodiment, there are two, namely the first physical filtration chamber 1 and the second physical filtration chamber 2. The first physical filtration chamber 1 and the second physical filtration chamber 2 are connected in series to achieve multi-stage physical filtration of the water, reduce the load on the biological culture chamber 3, and improve the overall filtration efficiency.

[0058] The first physical filter chamber 1 is fixedly connected to the inlet pipe 6, and the purified water chamber 4 is fixedly connected to the outlet pipe 7. The outlet pipe 7 is also connected to the water pump, so that the clean water in the purified water chamber 4 can be pumped into the aquarium body 16 to complete the circulation filtration of the water in the aquarium body 16. The bottom of the second physical filter chamber 2 is connected to the bottom of the purified water chamber 4 through the connecting pipe 10, and the connecting pipe 10 is equipped with a first valve 12.

[0059] The filtration system also includes a water preparation tank 5, which is a transparent tank for aerating the water and removing chlorine. The water preparation tank 5 is connected to the connecting pipe 10 via a tee 11. A second valve 13 is provided at the outlet of the water preparation tank 5 to control the discharge of water from the water preparation tank 5 into the clean water tank 4. The water preparation tank 5 is also connected to the water inlet pipe 9, which is equipped with a fourth valve 15 for filling water into the water preparation tank 5. The water preparation tank 5 not only allows the water to be aerated and dechlorinated, achieving the same temperature as the aquarium water through overall heat conduction, but also discharges the dechlorinated water into the clean water tank to mix with the water in the clean water tank, thus replenishing the water. The water preparation tank 5 eliminates the need for an additional aeration container, facilitating aeration, water transfer, and water filling. In this embodiment, the water preparation tank 5 is located on the upper side of the aquarium body 16.

[0060] Example 5

[0061] In a typical embodiment of this utility model, such as Figure 9 As shown, a filtration system is proposed. In this embodiment, the filtration system is a box / cassette type, that is, each compartment is a box / cassette structure, i.e., a box or container structure. The filtration system includes: a multi-stage physical filtration compartment, a biochemical culture compartment 3, and a water purification compartment 4 stacked from top to bottom. Adjacent compartments are connected by connecting pipes 22. The multi-stage physical filtration compartment contains multiple physical filtration compartments connected in series. In this embodiment, there are two, namely the first physical filtration compartment 1 and the second physical filtration compartment 2. The first physical filtration compartment 1 and the second physical filtration compartment 2 are connected in series to achieve multi-stage physical filtration of the water, reduce the load on the biochemical culture compartment 3, and improve the overall filtration efficiency.

[0062] The second physical filter chamber 2 is connected to the clean water chamber 4 via a connecting pipe 10, and a first valve 12 is installed on the connecting pipe 10. The first physical filter chamber 1, the second physical filter chamber 2 and the clean water chamber 4 are connected via an overflow pipe 20 to avoid excessive water in the first physical filter chamber 1, which would affect the filtration effect.

[0063] This embodiment also includes a water storage tank 5, which is connected to the connecting pipe 10. The specific structure and connection method are the same as those in embodiments 1, 2, 3, and 4, and will not be described in detail here.

[0064] Example 6

[0065] In a typical embodiment of this utility model, a fish tank is provided, including a fish tank body 16 and a filtration system. The filtration system includes a multi-stage physical filtration chamber, a biochemical culture chamber 3, a purified water chamber 4, and a reserve water chamber 5. The multi-stage physical filtration chamber is connected to the fish tank body 16 through an inlet pipe 6. The purified water chamber 4 is connected to the fish tank body 16 through an outlet pipe 7. The second physical filtration chamber 2 is also connected to the purified water chamber 4 through a connecting pipe 10, and a first valve 12 is installed on the connecting pipe 10. The reserve water chamber 5 is fitted to the fish tank body 16.

[0066] Example 7

[0067] In a typical embodiment of this utility model, a fish pond is proposed, including a filtration system. The filtration system includes a multi-stage physical filtration chamber, a biochemical culture chamber 3, a purified water chamber 4, and a reserve water chamber 5. The multi-stage physical filtration chamber is connected to the fish pond through an inlet pipe 6, the purified water chamber 4 is connected to the fish pond through an outlet pipe 7, and the second physical filtration chamber 2 is also connected to the purified water chamber 4 through a connecting pipe 10, and a first valve 12 is installed on the connecting pipe 10.

[0068] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A filtration system, comprising: The water purification chamber (4) is characterized in that a biochemical culture chamber (3) and a multi-stage physical filtration chamber are arranged in sequence on one side of the water purification chamber (4). The multi-stage physical filtration chamber, the biochemical culture chamber (3) and the water purification chamber (4) are connected in series. The water flows between adjacent chambers by overflow. The multi-stage physical filtration chamber is fixedly connected to an inlet pipe (6). The water purification chamber (4) is fixedly connected to an outlet pipe (7). The bottom of the multi-stage physical filtration chamber is connected to the water purification chamber (4) through a connecting pipe (10). A first valve (12) is provided on the connecting pipe (10).

2. The filtration system according to claim 1, characterized in that, It also includes a water storage tank (5), which is connected to a clean water tank (4), and a second valve (13) is provided between the water storage tank (5) and the clean water tank (4).

3. The filtration system according to claim 1, characterized in that, The multi-stage physical filter chamber contains multiple physical filter chambers arranged in series. The first-stage physical filter chamber is equipped with large-gap filter media and is connected to the water inlet pipe (6). The last-stage physical filter chamber is equipped with fine filter media and is connected to the connecting pipe (10).

4. The filtration system according to claim 3, characterized in that, The adjacent physical filtration chambers, the physical filtration chambers and the biochemical culture chamber (3), and the biochemical culture chamber (3) and the water purification chamber (4) are all connected by baffle components.

5. The filtration system according to claim 1, characterized in that, The multi-stage physical filtration chamber, the biochemical culture chamber (3) and the water purification chamber (4) are all box / box structures. The multi-stage physical filtration chamber, the biochemical culture chamber (3) and the water purification chamber (4) are stacked from top to bottom. The adjacent chambers are connected by connecting pipes (22). The multi-stage physical filtration chamber and the water purification chamber (4) are connected by connecting pipes (10) and overflow pipes (20).

6. A fish tank, characterized in that, include: The aquarium body (16) and the filtration system as described in any one of claims 1-5, wherein the multi-stage physical filtration chamber is connected to the aquarium body (16) via an inlet pipe (6), the purified water chamber (4) is connected to the aquarium body (16) via an outlet pipe (7), and the water preparation chamber (5) is fitted to the aquarium body (16).

7. The fish tank according to claim 6, characterized in that, The filtration system is located at the bottom / left / right / back / top of the main body of the aquarium (16).

8. A fish pond, characterized in that, The filtration system described in any one of claims 1-5 is employed.

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