Biological water purification equipment

By designing a biological water purification system that includes a sedimentation tank, a purification tank, and a secondary sedimentation tank, and by adopting a multi-layer biological water purification structure and a uniform water inlet structure, the high cost and secondary pollution problems of traditional water treatment methods are solved. This achieves efficient water flow and contact with the packing material, thereby improving water purification efficiency and equipment stability.

CN223674439UActive Publication Date: 2025-12-16SHANXI XINHENGCHUANG CONTROL TECH CO LTD
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Patent Information

Application Number
CN202423235673.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional water treatment methods suffer from high operating costs, high energy consumption, and secondary pollution during the treatment process. Furthermore, biological wastewater treatment results in poor contact between the water flow and microorganisms or aquatic plants, leading to low treatment efficiency of water purification equipment.

Method used

Design a biological water purification device that includes a sedimentation tank, a purification tank and a secondary sedimentation tank. It adopts a multi-layer biological water purification structure and a uniform water inlet structure, combined with an overflow drainage method to ensure stable water flow and maximize contact with the packing material. It also achieves zoned purification of water flow through a spiral waterway and permeable zone baffles.

Benefits of technology

It improves the treatment efficiency of water purification equipment, ensures the stability of microorganisms and algae, prevents gas from entering the equipment in reverse, reduces operating costs, and reduces secondary pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water treatment, in particular to biological water purification equipment. The device comprises a sedimentation tank, the top end of the sedimentation tank is connected with a vertically arranged purification tank body, the top of the purification tank body is connected with a secondary sedimentation tank, a uniform water inlet structure is arranged in the sedimentation tank, a multi-layer biological water purification structure is arranged in the purification tank body, and water outlet pipes are vertically arranged in the sedimentation tank, the purification tank body and the secondary sedimentation tank. The top end of the water outlet pipe is arranged in the secondary sedimentation tank, and the bottom end of the water outlet pipe penetrates through the bottom surface of the sedimentation tank; the water purification equipment is provided with a multi-layer biological water purification structure, a designer can select proper filler for filling according to requirements, and water can spirally flow upwards to be in contact with the filler, so that the water is purified, the water flow is stable, the maximum contact with the filler can be ensured, the water purification equipment drains water in an overflow manner, and the water purification efficiency is improved. And the stability of the water level in the equipment is ensured while secondary precipitation is carried out.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, concretely relates to a biological water purification equipment. BACKGROUND

[0002] With the continuous advancement of industrialization and urbanization, water pollution problems are increasingly serious, domestic sewage, industrial wastewater and agricultural pollution to water, not only affect the sustainable utilization of water resources, but also have serious negative impact on the ecological environment, public health and social economy.

[0003] Traditional water treatment methods such as chemical precipitation method, adsorption method, membrane filtration method, although play an important role in the water treatment process, but they usually face the problems of high operation cost, large energy consumption, secondary pollution in the treatment process, etc., biological water purification gradually begins to accelerate development, but in the process of biological treatment of sewage, it is difficult to ensure the good contact of water flow and microorganism or aquatic plants, resulting in low treatment efficiency of many water purification equipment. UTILITY MODEL CONTENT

[0004] The utility model discloses a biological water purification equipment, which can solve the above-mentioned defects.

[0005] To achieve the above object, the utility model adopts the following technical scheme: it contains the sedimentation tank, the top of the sedimentation tank is connected with the vertical setting purification pool body, the top of the purification pool body is connected with the secondary sedimentation tank, the sedimentation tank is equipped with the even water inlet structure, the purification pool body is equipped with the multilayer biological water purification structure, the sedimentation tank, the purification pool body and the secondary sedimentation tank are vertically equipped with the water outlet pipe, the top of the water outlet pipe is arranged in the secondary sedimentation tank, and the bottom of the water outlet pipe penetrates the bottom surface of the sedimentation tank.

[0006] Preferably, the multilayer biological water purification structure contains the guide baffle vertically arranged in the purification pool body, the guide baffle is a spiral rising baffle, the inner and outer sides of the guide baffle are connected with the water outlet pipe and the purification pool body respectively, a plurality of horizontal water permeable area baffles are arranged in the purification pool body, the guide baffle penetrates the plurality of water permeable area baffles in sequence, and the inner and outer sides of the water permeable area baffles are connected with the water outlet pipe and the purification pool body respectively.

[0007] Preferably, the even water inlet structure contains the water inlet pipe for sending sewage, the water inlet pipe is connected to the annular shunt pipe arranged in the sedimentation tank, and a plurality of water outlets are evenly arranged on the lower side of the shunt pipe along the circumference.

[0008] Preferably, the secondary sedimentation tank is provided with a filter plate at the connection between the bottom and the purification pool body.

[0009] Preferably, the horizontal height of the top of the water outlet pipe is higher than half of the height of the secondary sedimentation tank.

[0010] Preferably, the inner size of the secondary sedimentation tank is larger than the inner size of the purification tank body.

[0011] After the above structure is used, the beneficial effects of the present application are:

[0012] 1. The water purification equipment is installed with multiple layers of biological water purification structure, and designers can select appropriate fillers according to requirements, so that the influence caused by the mutual contact between the fillers is prevented, and at the same time, water can flow upwards along the spiral shape and contact the fillers to be purified, so that the water flow is stable, and the contact with the fillers can be maximized, thereby ensuring the maximum treatment efficiency.

[0013] 2. The water purification equipment uses an overflow mode for water drainage, and water can only be drained after reaching a specified water level, and in this process, the flow rate of the water is greatly reduced, so that in the secondary sedimentation tank, a small amount of solid matter in the water that has not been completely removed will be precipitated to the bottom of the secondary sedimentation tank, and gas can be collected at the top of the secondary sedimentation tank and also discharged from the water outlet pipe under the action of gas pressure. The overflow drainage mode can ensure the stability of the water level in the equipment, thereby ensuring the stable state of microorganisms and algae in the equipment, and at the same time, due to the water inlet below, the internal pressure of the equipment can be maintained at a positive pressure, thereby preventing gas from entering the equipment in the reverse direction from the drainage pipe.

[0014] 3. The water purification equipment is provided with a uniform water inlet structure, which can reduce the flow rate of water when water is inletted, so that the water can precipitate solid matter in the sedimentation tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a sectional view of the present application;

[0016] Figure 2 is a structure diagram of the internal guide partition plate when the water permeable area partition plate is removed in the present application;

[0017] Figure 3 is a regional distribution diagram when the present application is used.

[0018] BRIEF DESCRIPTION OF DRAWINGS

[0019] 1, sedimentation tank; 2, flow dividing pipe; 3, water outlet; 4, water inlet pipe; 5, purification tank body; 6, filter plate; 7, secondary sedimentation tank; 8, water outlet pipe; 9, guide partition plate; 10, water permeable area partition plate. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor are within the protection scope of the present utility model.

[0021] Referring to Figures 1-2 As shown in the figure, it comprises a sedimentation tank 1, the top end of the sedimentation tank 1 is connected with a vertically arranged purification tank body 5, the top of the purification tank body 5 is connected with a secondary sedimentation tank 7, the sedimentation tank 1 is provided with an even water inlet structure, the purification tank body 5 is provided with a multilayer biological water purification structure, the sedimentation tank 1, the purification tank body 5 and the secondary sedimentation tank 7 are vertically provided with a water outlet pipe 8, the top end of the water outlet pipe 8 is arranged in the secondary sedimentation tank 7, the horizontal height of the top end of the water outlet pipe 8 is higher than half of the height of the secondary sedimentation tank 7, the bottom end of the water outlet pipe 8 penetrates through the bottom surface of the sedimentation tank 1, and the inner size of the secondary sedimentation tank is greater than the inner size of the purification tank body;

[0022] The multilayer biological water purification structure comprises a guide baffle 9 vertically arranged in the purification tank body 5, the guide baffle 9 is a spiral rising baffle, the inner and outer sides of the guide baffle 9 are connected with the water outlet pipe 8 and the purification tank body 5 respectively, the purification tank body 5 is provided with four horizontal water permeable area baffles 10, the guide baffle 9 penetrates through the four water permeable area baffles 10 in sequence, and the inner and outer sides of the water permeable area baffles 10 are connected with the water outlet pipe 8 and the purification tank body 5 respectively;

[0023] The even water inlet structure comprises a water inlet pipe 4 for sending sewage, the water inlet pipe 4 is connected to an annular shunt pipe 2 arranged in the sedimentation tank 1, and a plurality of water outlets 3 are uniformly arranged on the lower side of the shunt pipe 2 along the circumference;

[0024] The bottom of the secondary sedimentation tank 7 is provided with a filter plate 6.

[0025] Principle and use process of the present utility model:

[0026] As Figure 3As shown, three areas are formed between the four water-permeable area partitions 10 in the device, which are referred to as A area, B area and C area in sequence, and microorganism fillings and algae plants can be filled in the three areas according to sewage properties and purification requirements, the water-permeable area partitions 10 can prevent the fillings in different areas from mixing and do not affect the flow of sewage, for example, algae plants can be filled in the B area and the C area, and microorganism fillings can be filled in the A area, after the sewage treated by aeration is introduced into the device through the water inlet pipe 4, the water flow flows out from the multiple water outlets 3 after passing through the shunt pipe 2, and the speed is greatly reduced, so that the solid matters in the sewage can gradually precipitate at the bottom of the sedimentation tank 1, and then the water flow gradually spirally rises along the spiral water channel formed by the guide partition 9, first in the B area and the C area, the water is absorbed by the algae plants to absorb nitrogen, phosphorus and other nutrients, light-providing devices can be added in the B area and the C area, or transparent parts can be embedded in the purification tank body 5 at corresponding positions to introduce sunlight, so as to accelerate the absorption efficiency of the algae, and oxygen is generated by the algae reaction, in the A area, the organic matters and part of the nitrogen and phosphorus in the sewage are degraded by the microorganism reaction, and the oxygen generated by the algae can greatly enhance the reproduction speed of the microorganism and accelerate the treatment rate, and then the water is physically filtered again when passing through the filter plate 6.

[0027] The water flows into the secondary sedimentation tank 7, and the inner size of the secondary sedimentation tank 7 is greater than the cross section of the water channel in the purification tank body 5, so that the flow speed of the water is greatly reduced, and thus a small amount of solid matters not completely removed in the water can precipitate at the bottom of the secondary sedimentation tank 7, and the water flows out from the water outlet pipe 8 in an overflow manner, and the gas can also be discharged from the water outlet pipe 8 under the action of pressure, and the overflow drainage manner can ensure the stability of the water level in the device, and thus the stability of the microorganism and the algae in the device is ensured.

[0028] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A biological water purification plant comprising a sedimentation basin (1), characterized in that: The top end of the sedimentation tank (1) is connected with a vertically arranged purification tank body (5), the top of the purification tank body (5) is connected with a secondary sedimentation tank (7), the sedimentation tank (1) is provided with an even water inlet structure, the purification tank body (5) is provided with a multilayer biological water purification structure, the sedimentation tank (1), the purification tank body (5) and the secondary sedimentation tank (7) are vertically provided with a water outlet pipe (8), the top end of the water outlet pipe (8) is arranged in the secondary sedimentation tank (7), and the bottom end of the water outlet pipe (8) penetrates the bottom surface of the sedimentation tank (1).

2. The biological water purification apparatus according to claim 1, characterized by: The multilayer biological water purification structure comprises a guide partition plate (9) vertically arranged in the purification tank body (5), the guide partition plate (9) is a spiral rising partition plate, the inner and outer sides of the guide partition plate (9) are connected with the water outlet pipe (8) and the purification tank body (5) respectively, a plurality of horizontal water permeable area partition plates (10) are arranged in the purification tank body (5), the guide partition plate (9) penetrates the plurality of water permeable area partition plates (10) in sequence, and the inner and outer sides of the water permeable area partition plates (10) are connected with the water outlet pipe (8) and the purification tank body (5) respectively.

3. A biological water purification apparatus according to claim 2, characterized in that: The even water inlet structure comprises a water inlet pipe (4) for sending sewage, the water inlet pipe (4) is connected to an annular shunt pipe (2) arranged in the sedimentation tank (1), and the lower side of the shunt pipe (2) is uniformly provided with a plurality of water outlets (3) along the circumference.

4. The biological water purification apparatus according to claim 3, characterized by: The bottom of the secondary sedimentation tank (7) is provided with a filter plate (6) at the connection with the purification tank body (5).

5. A biological water treatment apparatus according to claim 4, characterised in that: The horizontal height of the top end of the water outlet pipe (8) is higher than half of the height of the secondary sedimentation tank (7).

6. A biological water treatment apparatus according to claim 5, wherein: The inner size of the secondary sedimentation tank (7) is greater than the inner size of the purification tank body (5).