Water treatment system

Abstract

The water treatment system comprises an ecological purification device, an aerobic ecological base, an auxiliary settling zone and a water treatment device which are sequentially arranged in the water inlet direction, the ecological purification device is used for carrying out ecological treatment and biochemical treatment on a water body to be treated, the aerobic ecological base is used for carrying out aerobic biochemical treatment on the water body, and the auxiliary settling zone is used for carrying out anaerobic biochemical treatment on the water body. The auxiliary sedimentation area is used for carrying out sedimentation treatment on the water body; the water treatment device is used for carrying out advanced treatment on the water body. According to the water treatment system, a plurality of different water treatment function units are used for cooperatively treating the water body, the purification treatment effect of the water body can be effectively improved, and it is ensured that the effluent quality reaches the standard and is reliable.

Description

Technical Field

[0001] This application relates to the field of aquaculture wastewater treatment technology, and in particular to a water treatment system. Background Technology

[0002] In recent years, numerous pond aquaculture wastewater treatment projects have been launched, but the treatment results have varied greatly. The main reason for this is that ordinary, single water treatment methods, when applied to aquaculture wastewater treatment, suffer from unstable purification effects and cannot meet the actual needs of aquaculture wastewater pollution control. Utility Model Content

[0003] Therefore, it is necessary to provide a water treatment system that can improve the purification effect of water bodies.

[0004] A water treatment system includes: an ecological purification device, an aerobic ecological substrate, an auxiliary sedimentation zone, and a water treatment device arranged sequentially along the water inlet direction. The ecological purification device is used to perform ecological and biochemical treatment on the water body to be treated. The aerobic ecological substrate is used to perform aerobic biochemical treatment on the water body. The auxiliary sedimentation zone is used to perform sedimentation treatment on the water body. The water treatment device is used to perform advanced treatment on the water body.

[0005] In one embodiment, the water treatment system is located in a water purification zone, which is equipped with a sewage treatment tank. The water to be treated is centrally stored in the sewage treatment tank. The ecological purification device, the aerobic ecological substrate, and the auxiliary sedimentation zone are all located in the water within the sewage treatment tank. The water treatment device is located on the bank of the water purification zone near the sewage treatment tank.

[0006] In one embodiment, the ecological purification device includes a first ecological substrate and a second ecological substrate arranged sequentially;

[0007] The first ecological substrate includes an ecological floating island and a first auxiliary filler. The ecological floating island can float on the surface of the water body. The top of the ecological floating island is used for planting floating island plants, which are used for ecological treatment of the water body. The first auxiliary filler is set at the bottom of the ecological floating island and extends into the water body. The first auxiliary filler is used for the attachment and growth of microorganisms, which are used for biochemical treatment of the water body.

[0008] The second ecological substrate includes a floating bed and a second auxiliary filler. The floating bed can float on the surface of the water body, and the second auxiliary filler is located at the bottom of the floating bed and extends into the water body. The second auxiliary filler is used to cultivate algae and aquatic animals.

[0009] In one embodiment, the aerobic ecological substrate includes a floating frame and a third auxiliary filler. The floating frame is capable of floating on the surface of the water body, and the third auxiliary filler is disposed on the floating frame and extends into the water body. The third auxiliary filler is used for the attachment and growth of aerobic microorganisms, which are used to perform aerobic biochemical treatment on the water body.

[0010] In one embodiment, the water treatment device includes a reaction chamber and a water treatment device, wherein the water treatment device is disposed within the reaction chamber. The reaction chamber is used to perform a coagulation reaction on the water body, so that the suspended solids in the water body that are difficult to settle are aggregated together and easily settled. The water treatment device is used to perform deep treatment on the water body to remove suspended solids that are difficult to settle and float and are easily discharged with the effluent.

[0011] In one embodiment, the water treatment device includes a housing, a first water distribution channel, and a second water distribution channel. The top and bottom of the housing are respectively provided with an inlet and an outlet. A sedimentation zone is provided inside the housing. Both the first and second water distribution channels are located within the sedimentation zone. The second water distribution channel is located below the first water distribution channel, and the extending direction of the first water distribution channel forms an angle A, 0°, with the extending direction of the second water distribution channel. <A<180°;

[0012] The water to be treated flows into the sedimentation zone through the inlet, then flows through the second water distribution channel and the first water distribution channel in sequence for sedimentation treatment, and then flows out of the shell through the outlet.

[0013] In one embodiment, at least one of the following technical solutions is also included:

[0014] The extension direction of the first water distribution channel is perpendicular to the extension direction of the second water distribution channel;

[0015] There are multiple first water distribution channels arranged side by side, and at least one second water distribution channel, with each second water distribution channel crossing over the bottom of each of the first water distribution channels.

[0016] In one embodiment, the water treatment system further includes at least one of the following:

[0017] An aeration device, which is used to introduce oxygen into the aquatic area where the aerobic ecological substrate is located;

[0018] A fountain machine is installed in the water body within the sewage treatment tank and is located between the aerobic ecological substrate and the water treatment device.

[0019] In one embodiment, at least one of the following technical solutions is also included:

[0020] The water purification area is provided with a water inlet port near the bank of the sewage treatment tank. The water inlet port is connected to the sewage treatment tank and is used to allow the water to be treated to flow into the sewage treatment tank.

[0021] A clear water channel is also provided near the bank of the sewage treatment tank in the water purification area. The clear water channel surrounds the sewage treatment tank and is used to collect the effluent after the water treatment system has been treated.

[0022] In one embodiment, at least one of the following technical solutions is also included:

[0023] An overflow outlet is also provided on the bank of the water purification area near the sewage treatment tank. The overflow outlet is connected to the sewage treatment tank and is used to discharge excess water from the sewage treatment tank.

[0024] Landscape plants are also planted on the bank of the water purification area near the sewage treatment tank;

[0025] The clear water channel is also equipped with a clear water return pump, which is used to return the clear water in the clear water channel to the aquaculture pond.

[0026] The aforementioned water treatment system first uses an ecological purification device to perform ecological and biochemical treatment on the water body to remove pollutants. This ecological purification device also has a good ecological landscape effect. Next, an aerobic ecological substrate is used to perform aerobic biochemical treatment on the water body to further remove nitrogen, phosphorus, and organic pollutants. Then, an auxiliary sedimentation zone is used to perform sedimentation treatment on the water body to pre-separate suspended solids that are easy to settle to the bottom of the water body. Finally, the water treatment device performs further deep treatment on the water body to effectively remove suspended solids that are difficult to settle and float and are easily discharged with the effluent. Therefore, the water treatment system of this application can effectively improve the purification effect of the water body by using multiple different water treatment functional units to treat the water body in a coordinated manner, ensuring that the effluent water quality meets the standards reliably. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of a water treatment system in one embodiment;

[0029] Figure 2 This is a structural block diagram of a water treatment system in one embodiment;

[0030] Figure 3 This is a schematic diagram of the structure of a water treatment device in one embodiment;

[0031] Figure 4 This is a cross-sectional view of a water treatment device in one embodiment;

[0032] Figure 5 This is a cross-sectional view of the water treatment equipment in one embodiment from another perspective;

[0033] Figure 6 This is a schematic diagram of the structure of a water treatment device in one embodiment. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0036] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the term "and / or" throughout the text includes three solutions; taking A and / or B as an example, it includes technical solution A, technical solution B, and a technical solution that simultaneously satisfies A and B. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0037] like Figure 1 and Figure 2As shown, this application provides a water treatment system 1, which includes an ecological purification device 20, an aerobic ecological substrate 30, an auxiliary sedimentation zone 50, and a water treatment device 10 arranged sequentially along the water inlet direction. The ecological purification device 20 is used for ecological and biochemical treatment of the water to be treated, the aerobic ecological substrate 30 is used for aerobic biochemical treatment of the water, the auxiliary sedimentation zone 50 is used for sedimentation treatment of the water, and the water treatment device 10 is used for deep treatment of the water.

[0038] The aforementioned water treatment system 1 first uses an ecological purification device 20 to perform ecological and biochemical treatment on the water body to be treated, in order to remove pollutants from the water body. Moreover, the ecological purification device 20 also has a good ecological landscape effect. Next, the aerobic ecological substrate 30 performs aerobic biochemical treatment on the water body to further remove nitrogen, phosphorus and organic pollutants from the water body. Then, the auxiliary sedimentation zone 50 performs sedimentation treatment on the water body to pre-separate suspended solids that are easy to settle to the bottom of the water body. Finally, the water treatment device 10 performs further deep treatment on the water body to effectively remove suspended solids that are difficult to settle and float and are easily discharged with the effluent. Therefore, the water treatment system 1 of this application can effectively improve the purification effect of the water body by using multiple different water treatment functional units to treat the water body in a coordinated manner, ensuring that the effluent water quality meets the standards reliably.

[0039] like Figure 1 As shown, in one embodiment, the water to be treated can be aquaculture wastewater. The water treatment system 1 can be set up in the water purification zone 2, which can be located near the source of the wastewater (e.g., an aquaculture pond). The water purification zone 2 is equipped with a wastewater treatment tank 3, which can be located in the middle of the water purification zone 2. The water to be treated can be stored in the wastewater treatment tank 3. The ecological purification device 20, the aerobic ecological substrate 30, and the auxiliary sedimentation zone 50 are all set in the water body within the wastewater treatment tank 3. The water treatment device 10 is set on the bank of the water purification zone 2 near the wastewater treatment tank 3.

[0040] By directly placing some of the water treatment functional units of the above-mentioned water treatment system 1 in the water body, the wastewater treatment tank 3 can be used as an equalization tank without additional land occupation. The equipment foundation can be constructed through civil engineering, which can effectively improve the ease of installation of the water treatment system 1, simplify the difficulty of on-site construction operations, and save construction time.

[0041] Specifically, in this embodiment, the water treatment device 10 is located on the bank of the water purification zone 2 near the sewage treatment tank 3. That is, the water treatment device 10 is not directly installed in the water body in the sewage treatment tank 3. When it is necessary to use the water treatment device 10 to purify the water, the user can use a water conveying device (such as a water conveying pipe and / or a water pump) or use gravity flow to transport the water body in the sewage treatment tank 3 to the water treatment device 10 so that the water treatment device 10 can perform deep treatment on the water body. After the water treatment device 10 has finished treating the water, the effluent after deep treatment by the water treatment device 10 is discharged to a designated location by a water conveying device or by gravity flow.

[0042] Specifically, the ecological purification device 20 is installed in the water body within the sewage treatment tank 3 and is located upstream of the water treatment device 10. Before the water body flows into the water treatment device 10, the water body is pre-treated by the ecological purification device 20 to remove pollutants from the water body, thereby reducing the subsequent water treatment load of the water treatment device 10. Moreover, the ecological purification device 20 also has a good ecological landscape effect, which can meet the landscape aesthetic requirements of the environment where the water purification zone 2 is located.

[0043] like Figure 1 and Figure 2 As shown, the ecological purification device 20 includes a first ecological base 21 and a second ecological base 22 arranged in sequence. In one embodiment, the first ecological base 21 includes an ecological floating island and a first auxiliary filler. The ecological floating island can be a PVC floating bed. The ecological floating island can float on the surface of the water. The top of the ecological floating island is used for planting floating island plants. The floating island plants are used for ecological treatment of the water. The first auxiliary filler is set at the bottom of the ecological floating island and extends into the water. The first auxiliary filler is used for the attachment and growth of microorganisms. The microorganisms are used for biochemical treatment of the water to convert organic matter in the water into inorganic matter.

[0044] In one embodiment, floating island plants can directly absorb inorganic pollutants such as nitrogen and phosphorus in the water through their own photosynthesis and release oxygen, thereby removing inorganic substances from the water. Furthermore, the planting of these floating island plants can also beautify the environment. In one embodiment, the floating island plants can be aquatic plants with nitrogen and phosphorus removal properties, such as canna lilies, irises, sedges, foxtail grass, water onions, and water lilies. These plants can not only achieve nitrogen and phosphorus removal from the water, ensuring the quality of the effluent, but also improve the environmental landscape of the water body through proper design. In other embodiments, the floating island plants can also be economic crops, such as rice. Preferably, the first auxiliary filler can be made of an eco-friendly artificial polymer material, such as non-woven fabric filler, fiber filler, or composite filler.

[0045] In one embodiment, the second ecological substrate 22 includes a floating bed and a second auxiliary filler. The floating bed can be, but is not limited to, a PVC floating bed, capable of floating on the water surface. The second auxiliary filler is located at the bottom of the floating bed and extends into the water. The second auxiliary filler is used to cultivate algae and aquatic animals (e.g., fish, snails, and shellfish that feed on aquatic plants). The algae can decompose inorganic matter in the water and release oxygen through their own photosynthesis, thereby removing inorganic matter from the water. The floating bed provides fixed-point support for the second auxiliary filler, allowing aquatic animals (e.g., fish, snails, and shellfish that feed on aquatic plants) to better distribute and forage around the second auxiliary filler. In addition, the aquatic animals reduce organic matter such as nitrogen and phosphorus in the water through adsorption, absorption, and interspecies competition, controlling the growth of algae, thereby further improving the water purification effect, promoting the flow of energy and matter in the ecosystem, increasing biodiversity, and also having a landscaping effect.

[0046] like Figure 1 and Figure 2 As shown, specifically, the aerobic ecological substrate 30 is set in the water body in the sewage treatment tank 3 and is located between the ecological purification device 20 and the water treatment device 10. Before the water body flows into the water treatment device 10 after being treated by the ecological purification device 20, the water body is first subjected to aerobic biochemical treatment (such as nitrification) by the aerobic ecological substrate 30 to remove nitrogen, phosphorus and organic pollutants in the water body, thereby further reducing the subsequent water treatment load of the water treatment device 10 and improving the water purification effect.

[0047] In one embodiment, the aerobic ecological substrate 30 includes a floating frame and a third auxiliary filler. The floating frame can be, but is not limited to, a PVC floating frame, and is capable of floating on the water surface. The third auxiliary filler is disposed on the floating frame and extends into the water. The third auxiliary filler is used for the attachment and growth of aerobic microorganisms, which are used to perform aerobic biochemical treatment on the water. Specifically, the aerobic microorganisms attached to the third auxiliary filler carry out their metabolic activities in an aerobic environment, thereby removing nitrogen, phosphorus, and organic pollutants from the water. The floating frame provides fixed-point support for the third auxiliary filler.

[0048] Specifically, the auxiliary sedimentation zone 50 is set inside the sewage treatment tank 3 and located between the aerobic ecological substrate 30 and the water treatment device 10. The auxiliary sedimentation zone 50 can be set in the water area of ​​the sewage treatment tank 3 relatively close to the water treatment device 10. The auxiliary sedimentation zone 50 is used to perform sedimentation treatment on the water body, that is, before the water body flows into the water treatment device 10, the water body is pre-sedied by gravity natural sedimentation to pre-separate the suspended solids in the water body that are easy to settle to the bottom of the water body, thereby further reducing the subsequent water treatment load of the water treatment device 10 and improving the water purification effect.

[0049] like Figure 3 and Figure 4 As shown in Figure 4 , in one embodiment, the water treatment device 10 includes a reaction tank 200 and a water treatment equipment 100. The water treatment equipment 100 is disposed within the reaction tank 200. The reaction tank 200 is used for the coagulation reaction of the water body, so that the suspended solids that are difficult to precipitate in the water body aggregate together and are easy to precipitate. Specifically, by adding flocculants and recycled sludge into the reaction tank 200 and mixing and flocculating with the suspended solids in the influent water, the suspended solids that are difficult to precipitate in the water body aggregate together and are easy to precipitate. The water treatment equipment 200 is used for the deep treatment of the water body to remove the suspended solids that are difficult to precipitate, difficult to float, and extremely easy to be discharged with the effluent water, ensuring that the effluent water quality meets the standards reliably.

[0050] As Figure 4 shown, the water treatment equipment 100 includes a housing 110, a first water distribution channel 120, and a second water distribution channel 130. The second water distribution channel 130 is located below the first water distribution channel 120. An inlet 111 and an outlet 112 are respectively provided at the top and bottom of the housing 110. A sedimentation zone 101 is provided within the housing 110. Both the first water distribution channel 120 and the second water distribution channel 130 are disposed within the sedimentation zone 101, and the extending direction of the first water distribution channel 120 forms an angle A with the extending direction of the second water distribution channel 130, where 0° < A < 180°. Among them, the water to be treated can flow into the sedimentation zone 101 through the inlet 111, then flow through the second water distribution channel 130 and the first water distribution channel 120 in sequence for sedimentation treatment, and then flow out of the housing 110 through the outlet 112.

[0051] When the water treatment equipment 100 is working, the water to be treated first enters the sedimentation zone 101 through the inlet 111 at the bottom of the housing 110, then flows through the second water distribution channel 130 and the first water distribution channel 120 in sequence for sedimentation treatment, and then flows out of the housing 110 through the outlet 112 at the top of the housing 110. In the present application, since the extending direction of the first water distribution channel 120 forms an angle with the extending direction of the second water distribution channel 130, that is, the water distribution directions of the first water distribution channel 120 and the second water distribution channel 130 are different. For the water body containing suspended solids that are difficult to precipitate, difficult to float, and extremely easy to be discharged with the effluent water, it collides multiple times when flowing through the above-mentioned second water distribution channel 130 and the first water distribution channel 120 in sequence, which is more conducive to energy dissipation of the water body, thereby strengthening the sedimentation effect of such suspended solids in the water body, achieving efficient, low-consumption, stable, and low-cost removal of such suspended solids in the water body, making the effluent water quality after sedimentation treatment meet the discharge standards, and reducing the sedimentation time and the floor area.

[0052] In one embodiment, the extension direction of the first water distribution channel 120 is perpendicular to the extension direction of the second water distribution channel 130, that is, the angle A formed between the extension direction of the first water distribution channel 120 and the extension direction of the second water distribution channel 130 is 90°.

[0053] In one embodiment, there are multiple first water distribution channels 120 arranged side by side, and at least one second water distribution channel 130, each second water distribution channel 130 passing across the bottom of each first water distribution channel 120. Specifically, the water to be treated first enters the sedimentation zone 101 through the inlet 111 at the bottom of the shell 110, then flows through each second water distribution channel 130 for sedimentation treatment. Next, the water flowing through each second water distribution channel 130 flows through each first water distribution channel 120 for sedimentation treatment. Finally, the water flowing through each first water distribution channel 120 flows out of the shell 110 through the outlet 112 at the top of the shell 110, thereby achieving efficient, low-consumption, stable, and low-cost removal of suspended solids in the water that are difficult to settle and float and are easily discharged with the effluent.

[0054] Specifically, in this embodiment, the first water distribution channel 120 extends along the width direction of the housing 110, and the first water distribution channel 120 extends from one side of the width direction of the housing 110 to the other side of the width direction of the housing 110. The second water distribution channel 130 extends along the length direction of the housing 110, and the second water distribution channel 130 extends from one side of the length direction of the housing 110 to the other side of the length direction of the housing 110. A plurality of first water distribution channels 120 are arranged side by side along the length direction of the housing 110. The number of second water distribution channels 130 is one, and the second water distribution channel 130 extends from one end of the length direction of the housing 110 to the other end of the length direction of the housing 110.

[0055] Furthermore, the water treatment equipment 100 also includes a first water distribution component 121 and a second water distribution component 131. Both the first water distribution component 121 and the second water distribution component 131 are disposed within the sedimentation zone 101. The second water distribution component 131 is located below the first water distribution component 121. The first water distribution channel 120 is disposed within the first water distribution component 121, and the second water distribution channel 130 is disposed within the second water distribution component 131.

[0056] Specifically, there are multiple first water distribution components 121 arranged side by side, with each first water distribution component 121 corresponding to a first water distribution channel 120. There is at least one second water distribution component 131, with each second water distribution component 131 passing across the bottom of each first water distribution component 121 and corresponding to a second water distribution channel 130.

[0057] like Figure 4 and Figure 5 As shown, the first water distribution component 121 further includes a first connecting wall 122, a second connecting wall 123, and a third connecting wall 124. The first connecting wall 122 and the second connecting wall 123 are arranged opposite to each other. Both the first connecting wall 122 and the second connecting wall 123 are inclined walls, and the inclination directions of the first connecting wall 122 and the second connecting wall 123 are opposite. The third connecting wall 124 is connected between the first connecting wall 122 and the second connecting wall 123. The first connecting wall 122, the second connecting wall 123, and the third connecting wall 124 together enclose and form a first water distribution channel 120. Specifically, the cross-sectional shape of the first water distribution component 121 is trapezoidal, and the first connecting wall 122 and the second connecting wall 123 are symmetrically arranged on both sides of the third connecting wall 124.

[0058] Furthermore, the second water distribution component 131 includes a fourth connecting wall 132, a fifth connecting wall 133, and a sixth connecting wall 134. The fourth connecting wall 132 and the fifth connecting wall 133 are arranged opposite to each other. Both the fourth connecting wall 132 and the fifth connecting wall 133 are inclined walls, and the inclination directions of the fourth connecting wall 132 and the fifth connecting wall 133 are opposite. The sixth connecting wall 134 is connected and arranged between the fourth connecting wall 132 and the fifth connecting wall 133. The fourth connecting wall 132, the fifth connecting wall 133, and the sixth connecting wall 134 together enclose and form the second water distribution channel 130. Specifically, the cross-sectional shape of the second water distribution component 131 is trapezoidal, and the fourth connecting wall 132 and the fifth connecting wall 133 are symmetrically arranged on both sides of the sixth connecting wall 134.

[0059] like Figure 4 and Figure 5 As shown, the second water distribution component 131 is further provided with a water pipe 135, which connects the second water distribution channel 130 and the first water distribution channel 120. Water in the second water distribution channel 130 can flow into the first water distribution channel 120 through the water pipe 135. Specifically, there are multiple water pipes 135, which are spaced apart on the second water distribution component 131, and each water pipe 135 corresponds to each of the first water distribution channels 120. That is to say, water in the second water distribution channel 130 can flow into the corresponding first water distribution channel 120 through each water pipe 135.

[0060] Specifically, the inlet end of the water pipe 135 is connected to the second water distribution channel 130, and the outlet end of the water pipe 135 extends into the first water distribution channel 120. The inlet end and / or outlet end of the water pipe 135 are equipped with a filter screen to filter out large particles in the water.

[0061] like Figure 4As shown, the first water distribution component 121 is further provided with water passage holes 125, which are connected to the first water distribution channel 120. The water passage holes 125 are used to supply water to flow into the first water distribution channel 120. Specifically, multiple water passage holes 125 are provided at intervals on both sides of the first water distribution component 121. More specifically, the multiple water passage holes 125 are provided at intervals on the first connecting wall 122 and the second connecting wall 123 of the first water distribution component 121. At least one row of water passage holes 125 is provided on both the first connecting wall 122 and the second connecting wall 123 of the first water distribution component 121. Each row of water passage holes 125 includes multiple water passage holes 125 distributed at intervals along the extension direction of the first water distribution channel 120. By adopting multi-point water inlet, the water inlet of the first water distribution channel 120 is made more uniform.

[0062] Furthermore, the first water distribution component 121 is provided with an air outlet 126, which is connected to the first water distribution channel 120. The air outlet 126 is used to discharge the gas in the first water distribution channel 120 to the outside. Specifically, air outlets 126 are provided at both opposite ends of the first water distribution component 121.

[0063] like Figure 4 As shown, the water treatment equipment 100 further includes a gas collection hood 140, which is disposed on the outer side wall of the housing 110 and connected to the first water distribution channel 120. The gas collection hood 140 is used to collect the gas discharged from the first water distribution channel 120.

[0064] Specifically, the gas collection hood 140 is connected to the first water distribution channel 120 through the air outlet 126 of the first water distribution component 121, and the gas in the first water distribution channel 120 can be output to the gas collection hood 140 for storage through the air outlet 126. The gas collecting hood 140 is connected to each of the first water distribution channels 120. The gas collecting hood 140 is used to collect the gas discharged from each of the first water distribution channels 120. There are two gas collecting hoods 140, which are respectively set on opposite sides of the housing 110. The two gas collecting hoods 140 are the first gas collecting hood 141 and the second gas collecting hood 142. The first gas collecting hood 141 is connected to the air outlet 126 at one end of each of the first water distribution components 121, so that the first gas collecting hood 141 is connected to each of the first water distribution channels 120. The second gas collecting hood 142 is connected to the air outlet 126 at the other end of each of the first water distribution components 121, so that the second gas collecting hood 142 is connected to each of the first water distribution channels 120. In one embodiment, the gas collection hood 140 extends along the length direction of the housing 110, from one side of the length direction of the housing 110 to the other side of the length direction of the housing 110, the extension direction of the gas collection hood 140 is perpendicular to the extension direction of the first water distribution channel 120, and the extension direction of the gas collection hood 140 is parallel to the extension direction of the second water distribution channel 130.

[0065] like Figure 4 As shown, optionally, the water treatment equipment 100 also includes a packing material 150, which is disposed within the sedimentation zone 101. The packing material 150 is used to perform deep purification treatment on the effluent after sedimentation, to further remove a small amount of fine suspended solids in the water, thereby improving the cleanliness of the effluent so that the final effluent quality can meet discharge standards, such as the standards for aquaculture water discharge, so that the effluent can be recycled back into the aquaculture pond or discharged in compliance with standards. Optionally, the packing material 150 can be an adsorption packing material, specifically, the packing material 150 includes at least one of activated carbon and biological packing material. The packing material 150 is arranged above the first water distribution channels 120, specifically, the packing material 150 is laid above each of the first water distribution channels 120 and is located near the outlet 112.

[0066] like Figure 4 As shown, optionally, a sludge collection area 160 is provided at the bottom of the shell 110, which is used to collect sludge formed in the water body during the sedimentation process.

[0067] Optionally, a first sludge discharge pipe 170 is also provided on the inner bottom side of the shell 110. The first sludge discharge pipe 170 is located near the water inlet 111 and is connected to the sludge collection area 160. The first sludge discharge pipe 170 is used to discharge sludge from the incoming water to the sludge collection area 160 to achieve pretreatment of the incoming water and improve the sedimentation efficiency of the water treatment equipment 100. Specifically, at least one row of first sludge discharge pipes 170 is provided on the inner bottom side of the shell 110. Each row of first sludge discharge pipes 170 includes multiple first sludge discharge pipes 170 spaced apart along the length direction of the shell 110. In this embodiment, at least one row of first sludge discharge pipes 170 is provided on each of the two opposite inner sidewalls in the width direction of the shell 110. Further, a sludge discharge hopper 180 for collecting sludge is provided at the bottom of the sludge collection area 160. The sludge discharge hopper 180 is connected to a second sludge discharge pipe 181 for discharging the sludge in the sludge discharge hopper 180 to the outside.

[0068] Specifically, the bottom of the housing 110 is provided with water inlets 111 on all four sides, and the top of the housing 110 is provided with a plurality of water outlets 112 spaced apart along the length of the housing 110. Optionally, the water inlets 111 include a plurality of first water inlet filter holes with filtration function spaced apart on the side wall of the housing 110, so as to realize the water treatment load of the water treatment components (e.g., the first water distribution channel 120, the second water distribution channel 130, and the packing 150) in the sedimentation zone 101.

[0069] like Figure 4As shown, optionally, an outlet screen 114 is provided at the outlet 112. Specifically, the outlet screen 114 is located between the packing material 150 and the outlet 112. The outlet screen 114 can further filter the effluent (specifically, the effluent flowing through the packing material 150) to improve the cleanliness of the effluent. At the same time, it can also prevent dirt outside the sedimentation zone 101 from entering the sedimentation zone 101 through the outlet 112 and polluting the water. In addition, the outlet screen 114 can also prevent the packing material 150 in the sedimentation zone 101 from flowing out to the outside, thereby preventing the loss of the packing material 150.

[0070] like Figure 4 As shown, the water treatment equipment 100 further includes an aeration pipe 190, which is disposed within the sedimentation zone 101. The aeration pipe 190 is used for aerating and stirring the water and for aerating and backwashing the water treatment components within the sedimentation zone 101. Specifically, the aeration pipe 190 is disposed within the second water distribution channel 130, and multiple aeration pipes 190 are arranged at intervals within the sedimentation zone 101. Figure 5 and Figure 6 As shown, the water treatment equipment 100 further includes a support frame 192, and the housing 110 is disposed on the support frame 192.

[0071] like Figure 3 As shown, the reaction chamber 200 is further provided with a chamber inlet 210 on its side wall. The chamber inlet 210 is used to supply water into the reaction chamber 200. Specifically, the chamber inlet 210 is provided on one side of the reaction chamber 200 in the width direction. The chamber inlet 210 is located in the upper middle part of the reaction chamber 200 to facilitate the treatment of suspended solids that are difficult to settle and float in the water.

[0072] Optionally, the inlet 210 of the reaction chamber includes a plurality of second inlet filter holes with filtration function spaced apart on the side wall of the reaction chamber 200 to realize the water treatment load of the water treatment equipment 100 inside the reaction chamber 200. The outlet 112 of the water treatment equipment 100 extends out of the reaction chamber 200 via the side wall of the reaction chamber 200 away from the inlet 210 (i.e., the other side in the width direction of the reaction chamber 200).

[0073] Furthermore, the reaction chamber 200 is equipped with an aeration pipe 190 for aerating and stirring the water, so as to facilitate the uniform mixing of flocculant, returned sludge and water.

[0074] like Figure 3As shown, the water treatment device 10 further includes a sludge selection tank 300, which is disposed on the side wall of the reaction chamber 200 and connected to the second sludge discharge pipe 181 of the water treatment equipment 100. The sludge selection tank 300 is used to collect the sludge discharged from the second sludge discharge pipe 181. Furthermore, the sludge selection tank 300 is connected to a third sludge discharge pipe 310. Users can selectively discharge the sludge stored in the sludge selection tank 300 directly to the outside through the third sludge discharge pipe 310. Users can also use sludge return equipment (sludge return pipe and / or sludge return pump) to return the sludge stored in the sludge selection tank 300 to the reaction chamber 200 to participate in the mixing and flocculation reaction with flocculant and suspended solids in the influent.

[0075] It should be noted that users may also selectively return the sludge stored in the sludge selection box 300 of the water treatment device 10 to the water body area where the aerobic ecological substrate 30 is located through the sludge return equipment (sludge return pipe and / or sludge return pump) to participate in the aerobic biochemical treatment of the water body as a reaction substrate of the aerobic ecological substrate 30.

[0076] Specifically, the sludge return equipment can be connected to the third sludge discharge pipe 310 of the sludge selection box 300. The sludge return equipment is used to pressurize and return the sludge discharged from the third sludge discharge pipe 310 of the sludge selection box 300 to the reaction chamber 200.

[0077] Specifically, the sludge selection box 300 is located on the side wall of the reaction chamber 200 in the width direction. More specifically, the sludge selection box 300 and the chamber inlet 210 are located on the same side wall of the reaction chamber 200. There are multiple sludge selection boxes 300, which are spaced apart on the same side wall of the reaction chamber 200. The second sludge discharge pipe 181 of the water treatment equipment 100 passes through the side wall of the reaction chamber 200 and is connected to the sludge selection box 300. There are multiple second sludge discharge pipes 181, each corresponding to one of the multiple sludge selection boxes 300.

[0078] like Figure 3 As shown, the water treatment device 10 further includes a dosing unit 400, which is disposed on the top of the reaction chamber 200. The dosing unit 400 is used to add flocculant to the reaction chamber 200. Optionally, the dosing unit 400 includes a storage tank, a dosing pipe and a dosing pump. One end of the dosing pipe is connected to the storage tank and the other end of the dosing pipe is connected to the storage tank. The dosing pump is disposed on the dosing pipe and is used to pressurize and inject the flocculant in the storage tank into the reaction chamber 200 by means of the dosing pump.

[0079] Furthermore, the aforementioned water treatment device 10 also includes a control cabinet 500, which is located on top of the reaction chamber 200 and is used to control the operation of the water treatment device 10. Furthermore, the aforementioned water treatment device 10 also includes an operating platform 600 for users to walk on in order to perform operations on the water treatment device 10. The operating platform 600 is located on top of the reaction chamber 200; specifically, the control cabinet 500 and the dosing unit 400 are both located adjacent to the operating platform 600.

[0080] like Figure 3 As shown, the water treatment device 10 further includes a solar power supply device 700, which is installed on the top of the reaction chamber 200. The solar power supply device 700 is used to convert solar energy into electrical energy to power the various electrical devices of the water treatment device 10, so that the various electrical devices of the water treatment device 10 can be used normally without being connected to the mains power, and are not limited by the site. It is energy-saving, environmentally friendly, and has low investment and operating costs.

[0081] like Figure 1 and Figure 2 As shown, the water treatment system 1 further includes an aeration device 40, which is used to introduce oxygen into the water area where the aerobic ecological base 30 is located, in order to create the aerobic environment required for the operation of the aerobic ecological base 30. Specifically, the strong aeration effect of the aeration device 40 is used to introduce oxygen from the air into the water, while simultaneously expelling unwanted gases and volatile substances from the water into the air, allowing the aerobic microorganisms in the water to carry out aerobic respiration to the maximum effect. This further utilizes the aerobic reaction of the aerobic microorganisms to further decompose the eutrophic substances in the water while highly oxygenating the water, strengthening the oxygenation protection of the water, further reducing the subsequent water treatment load of the water treatment device 10, and improving the water purification effect.

[0082] Optionally, the aeration device 40 includes an aerator 41 and an aeration spray assembly 42. The aerator 41 can be installed on the bank of the water purification zone 2 near the wastewater treatment tank 3. The aeration spray assembly 42 is installed in the water area where the aerobic ecological substrate 30 is located and is connected to the aerator 41 via pipeline. The aeration spray assembly 42 is used to spray oxygen generated by the aerator 41 into the water area where the aerobic ecological substrate 30 is located. The aeration spray assembly 42 can include multiple sets, which are spaced apart in the water area where the aerobic ecological substrate 30 is located.

[0083] Specifically, the aerator 41 can be, but is not limited to, a micro-nano aerator, and the characteristics of the micro-nano aerator are as follows:

[0084] 1. High filtration accuracy: Made of micron-level ultrafine filter media, its filtration accuracy reaches 0.01μm, which is far higher than that of ordinary filter media such as 0.45μm, 0.125μm and 0.225mmol / L, thus effectively improving the quality of the effluent.

[0085] 2. Strong corrosion resistance: Because it is made of non-metallic inorganic materials or organic polymer materials, it has the characteristics of being resistant to chemicals such as acids, alkalis, and salts;

[0086] 3. Long service life: Because it is made of non-metallic inorganic materials or organic polymer materials, it has a long service life; under normal use, it can be guaranteed to last for more than 15 years.

[0087] 4. Easy and flexible installation: This micro-nano aerator can be designed into various shapes, sizes and structures according to user requirements; it is also easy to disassemble, assemble, replace filter media and clean and maintain, making it convenient for on-site construction and transportation.

[0088] 5. Wide range of applications: It is suitable for use as a biofilm carrier in primary treatment systems at the inlet of urban sewage treatment plants and in pretreatment and advanced treatment systems for industrial wastewater, so as to achieve the purpose of purifying sewage by adsorbing and retaining microorganisms.

[0089] like Figure 1 and Figure 2 As shown, the water treatment system 1 further includes a fountain machine 60, which is installed in the water body in the sewage treatment tank 3 and located between the aerobic ecological base 30 and the water treatment device 10. Optionally, the fountain machine 60 can be installed in the auxiliary sedimentation zone 50. The fountain machine 60 can enrich the water body with oxygen and create a certain landscape effect. On the other hand, it can perform simple air flotation treatment on the water body, so that the suspended matter that is easy to float on the water surface can be floated and removed.

[0090] like Figure 1 As shown, further, a water inlet port 4 is provided on the bank of the water purification zone 2 near the sewage treatment tank 3. The water inlet port 4 is connected to the sewage treatment tank 3 and is used to allow the water to be treated to flow into the sewage treatment tank 3. A clear water channel 5 is also provided on the bank of the water purification zone 2 near the sewage treatment tank 3. The clear water channel 5 is arranged around the sewage treatment tank 3 and is used to collect the effluent after treatment by the water treatment system 1.

[0091] Specifically, the outlet 112 of the water treatment equipment 100 extends to the clear water channel 5 so that the treated water from the water treatment system 1 can be discharged into the clear water channel 5. Furthermore, a clear water outlet 6 connected to the clear water channel 5 is provided on the bank of the water purification area 2 near the sewage treatment tank 3. This clear water outlet 6 is used to discharge water from the clear water channel 5.

[0092] like Figure 1 As shown, furthermore, an overflow outlet 7 is provided on the bank of the water purification zone 2 near the sewage treatment tank 3. The overflow outlet 7 is connected to the sewage treatment tank 3 and is used to discharge excess water from the sewage treatment tank 3. Furthermore, landscape plants 8 are planted on the bank of the water purification zone 2 near the sewage treatment tank 3 to enhance the aesthetic appeal of the environment in which the water purification zone 2 is located.

[0093] Optionally, a clean water return pump can also be installed in the clean water channel 5. The clean water return pump is used to return the clean water in the clean water channel 5 to the aquaculture pond for replenishing the clean water in the aquaculture pond.

[0094] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A water treatment system, characterized in that, include: An ecological purification device, an aerobic ecological substrate, an auxiliary sedimentation zone, and a water treatment device are arranged sequentially along the water inlet direction. The ecological purification device is used to perform ecological and biochemical treatment on the water body to be treated. The aerobic ecological substrate is used to perform aerobic biochemical treatment on the water body. The auxiliary sedimentation zone is used to perform sedimentation treatment on the water body. The water treatment device is used to perform advanced treatment on the water body.

2. The water treatment system according to claim 1, characterized in that, The water treatment system is located in the water purification zone, which is equipped with a sewage treatment tank. The water to be treated is stored in the sewage treatment tank. The ecological purification device, the aerobic ecological substrate, and the auxiliary sedimentation zone are all located in the water within the sewage treatment tank. The water treatment device is located on the bank of the water purification zone near the sewage treatment tank.

3. The water treatment system according to claim 2, characterized in that, The ecological purification device includes a first ecological substrate and a second ecological substrate arranged in sequence. The first ecological substrate includes an ecological floating island and a first auxiliary filler. The ecological floating island can float on the surface of the water body. The top of the ecological floating island is used for planting floating island plants, which are used for ecological treatment of the water body. The first auxiliary filler is set at the bottom of the ecological floating island and extends into the water body. The first auxiliary filler is used for the attachment and growth of microorganisms, which are used for biochemical treatment of the water body. The second ecological substrate includes a floating bed and a second auxiliary filler. The floating bed can float on the surface of the water body, and the second auxiliary filler is located at the bottom of the floating bed and extends into the water body. The second auxiliary filler is used to cultivate algae and aquatic animals.

4. The water treatment system according to claim 2, characterized in that, The aerobic ecological substrate includes a floating frame and a third auxiliary filler. The floating frame can float on the surface of the water body, and the third auxiliary filler is set on the floating frame and extends into the water body. The third auxiliary filler is used for the attachment and growth of aerobic microorganisms, and the aerobic microorganisms are used to perform aerobic biochemical treatment on the water body.

5. The water treatment system according to claim 2, characterized in that, The water treatment device includes a reaction chamber and a water treatment device. The water treatment device is installed in the reaction chamber. The reaction chamber is used to carry out a coagulation reaction in the water body so that the suspended solids that are difficult to settle in the water body can be aggregated together and easily settled. The water treatment device is used to perform deep treatment on the water body to remove suspended solids that are difficult to settle and float and are easily discharged with the effluent.

6. The water treatment system according to claim 5, characterized in that, The water treatment equipment includes a shell, a first water distribution channel, and a second water distribution channel. The top and bottom of the shell are respectively provided with an inlet and an outlet. A sedimentation zone is provided inside the shell. Both the first and second water distribution channels are located within the sedimentation zone. The second water distribution channel is located below the first water distribution channel, and the extending directions of the first and second water distribution channels form an angle A, 0°. <A<180°; The water to be treated flows into the sedimentation zone through the inlet, then flows through the second water distribution channel and the first water distribution channel in sequence for sedimentation treatment, and then flows out of the shell through the outlet.

7. The water treatment system according to claim 6, characterized in that, It also includes at least one of the following technical solutions: The extension direction of the first water distribution channel is perpendicular to the extension direction of the second water distribution channel; There are multiple first water distribution channels arranged side by side, and at least one second water distribution channel, with each second water distribution channel crossing over the bottom of each of the first water distribution channels.

8. The water treatment system according to claim 2, characterized in that, The water treatment system further includes at least one of the following: An aeration device, which is used to introduce oxygen into the aquatic area where the aerobic ecological substrate is located; A fountain machine is installed in the water body within the sewage treatment tank and is located between the aerobic ecological substrate and the water treatment device.

9. The water treatment system according to claim 2, characterized in that, It also includes at least one of the following technical solutions: The water purification area is provided with a water inlet port near the bank of the sewage treatment tank. The water inlet port is connected to the sewage treatment tank and is used to allow the water to be treated to flow into the sewage treatment tank. A clear water channel is also provided near the bank of the sewage treatment tank in the water purification area. The clear water channel surrounds the sewage treatment tank and is used to collect the effluent after the water treatment system has been treated.

10. The water treatment system according to claim 2, characterized in that, It also includes at least one of the following technical solutions: An overflow outlet is also provided on the bank of the water purification area near the sewage treatment tank. The overflow outlet is connected to the sewage treatment tank and is used to discharge excess water from the sewage treatment tank. Landscape plants are also planted on the bank of the water purification area near the sewage treatment tank; A clear water channel is also provided on the bank of the water purification area near the sewage treatment tank. A clear water return pump is also provided in the clear water channel to return the clear water in the clear water channel to the aquaculture pond.

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