Uniform water distribution and collection modular device and method of operation

Abstract

The application provides a uniform water distribution and collection modular device and a working method, comprising: a water inlet pipe, a water distribution system, a water collection system, a water outlet pipe and a sewage treatment system; the water inlet pipe is connected with the water distribution system, and the water outlet pipe is connected with the water collection system; the water distribution system is installed on the water collection system, the water collection system is placed on the sewage treatment system and the bottom provided with perforations is immersed in the sewage treatment system, and the water distribution system is connected with the bottom of the sewage treatment system through a water distribution pipe. According to the application, the water distribution pipes are uniformly arranged on the bottom of the sewage treatment system, the water distribution effect can be greatly improved, and a stirring device is not needed, so that stirring energy consumption is saved.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment, and more specifically, to a modular device for uniform water distribution and collection, and its operating method. Background Technology

[0002] Rapid urbanization and the shortage of land and water resources have posed new challenges to wastewater treatment in China. Biofilm technology is one of the mainstream wastewater treatment processes, with common examples including the "activated sludge-biofilm" composite system IFAS and MBBR biofilm technology. The main advantage of biofilm technology is that it achieves the enrichment of denitrifying bacteria through the long sludge age of the biofilm, thereby enhancing the overall nitrogen removal effect and reducing sludge production to a certain extent.

[0003] Current wastewater treatment technologies primarily involve adding suspended media to activated sludge systems. However, this method of adding suspended media to mainstream biological treatment tanks is time-consuming and labor-intensive, requiring modifications to the tank design and aeration system, the addition of media interception screens, and civil engineering adjustments to the media tank structure. Therefore, developing novel water distribution and collection systems specifically for media systems has significant application value. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a modular device for uniform water distribution and collection, as well as its operating method.

[0005] According to the present invention, a modular device for uniform water distribution and collection includes: an inlet pipe, a water distribution system, a water collection system, an outlet pipe, and a sewage treatment system.

[0006] The inlet pipe is connected to the water distribution system, and the outlet pipe is connected to the water collection system;

[0007] The water distribution system is installed on the water collection system, which is placed on the sewage treatment system and has its perforated bottom immersed in the sewage treatment system. The water distribution system is connected to the bottom of the sewage treatment system through a water distribution pipe.

[0008] Preferably, the water distribution system includes: an inner water tank and water distribution pipes;

[0009] The inlet pipe is connected to the inner water tank, and the inner water tank is connected to the distribution pipe.

[0010] Preferably, the water collection system comprises: a column and a cone;

[0011] The water outlet pipe is connected to the column, and the bottom of the column is connected to the cone.

[0012] Preferably, the wastewater treatment system includes: a biofilm carrier packing material, connecting pipes, water distribution holes, and a tank body;

[0013] The pool is filled with biofilm carrier packing material, and water distribution holes are evenly arranged at the bottom of the pool. The water distribution holes are connected to the water distribution pipe through connecting pipes.

[0014] Preferably, a support is provided on the column, and the column is placed on the sewage treatment system via the support, and the inner water tank is installed on the column via the support.

[0015] Preferably, the column is a cuboid or a cylinder. When the column is a cuboid, at least two of the column's walls are perforated plates.

[0016] The cone is a trapezoidal cone or a circular cone, and the cone is made of a perforated plate.

[0017] Preferably, the pore size of the perforated plate is smaller than the diameter of the biofilm carrier packing in the sewage treatment system, and the pore size of the perforated plate is 8-20 mm with an opening rate of 40-60%.

[0018] Preferably, the bottom of the cone is flat, and a through hole is provided on the flat bottom. The water distribution pipe passes through the through hole, and the gap between the water distribution pipe and the through hole is smaller than the diameter and thickness of the biofilm carrier packing in the sewage treatment system.

[0019] Preferably, the cone forms a 40-70° angle with the bottom of the sewage treatment system tank.

[0020] Preferably, a method for operating the modular water distribution and collection device includes the following steps:

[0021] Step S1: Place the water collection system and the water distribution system together on the upper part of the sewage treatment system using a bracket;

[0022] Step S2: Connect the water distribution pipe of the water distribution system to the water distribution hole of the sewage treatment system through a connecting pipe;

[0023] Step S3: Add biofilm carrier packing material with a specific gravity of 10-70% to the wastewater treatment system;

[0024] Step S4: Wastewater enters the inner water tank of the water distribution system through the inlet pipe, and then flows into the wastewater treatment system through the distribution pipe.

[0025] Step S5: During the process of sewage rising from the bottom of the pool in the sewage treatment system, pollutants are removed by the action of microorganisms on the biofilm carrier packing.

[0026] In step S6, the wastewater is treated by the biofilm carrier packing and then flows upward into the water collection system. The perforated plate of the water collection system intercepts the biofilm carrier packing in the wastewater treatment system, and the treated water flows out through the outlet pipe.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. This application can greatly improve the water distribution effect by evenly arranging multiple water distribution pipes at the bottom of the sewage treatment system, eliminating the need for a stirring device and saving stirring energy consumption;

[0029] 2. This application employs a conical design combined with the aperture limitation of the perforated plate to prevent clogging;

[0030] 3. This application has a wide range of applications and high flexibility. Different numbers of water distribution and collection modular devices can be set according to the size of the pool, making it simple and efficient to use. Attached Figure Description

[0031] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0032] Figure 1 Top view of the modular water distribution and collection device;

[0033] Figure 2 This is the main view of the water distribution system;

[0034] Figure 3 This is a bottom view of the water distribution system;

[0035] Figure 4 This is the main view of the water collection system;

[0036] Figure 5 Schematic diagram of a modular water distribution and collection device;

[0037] As shown in the figure:

[0038] Detailed Implementation

[0039] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0040] Example 1

[0041] like Figure 1 As shown, this embodiment includes: an inlet pipe 1, a water distribution system 2, a water collection system 3, an outlet pipe 4, and a sewage treatment system 6; the inlet pipe 1 is connected to the water distribution system 2, and the outlet pipe 4 is connected to the water collection system 3; the water distribution system 2 is installed on the water collection system 3, and the water collection system 3 is placed on the sewage treatment system 6 with its perforated bottom immersed in the sewage treatment system 6.

[0042] like Figure 2-3 As shown, the water distribution system 2 includes an inner water tank 21 and a water distribution pipe 22. The inlet pipe 1 connects to the inner water tank 21, and the inner water tank 21 connects to the water distribution pipe 22. The inner water tank 21 is mounted on the column 31 via a bracket 5. The water distribution system 2 is connected to the bottom of the sewage treatment system 6 via the water distribution pipe 22. The bracket 5 is connected to the water distribution system 2 and the water collection system 3 using bolts or other methods to form a single unit, facilitating installation.

[0043] like Figure 4 As shown, the water collection system 3 includes a column 31 and a cone 32; an outlet pipe 4 connects to the column 31, and the bottom of the column 31 is connected to the cone 32. A support 5 is installed on the column 31, and the column 31 is placed on the sewage treatment system 6 via the support 5. The column 31 is a cuboid or a cylinder. When the column 31 is a cuboid, at least two sides of the column 31 have perforated plates. The cone 32 is a trapezoidal or circular cone, and the perforated plates in the cone 32 can intercept the packing material and prevent it from flowing out of the sewage treatment system 6. The bottom of the cone 32 is a flat bottom with a width of 30-150mm, and a through hole is opened on the flat bottom through which the water distribution pipe 22 exits.

[0044] like Figure 5 As shown, the wastewater treatment system 6 includes: a biofilm carrier packing material 61, a connecting pipe 62, a water distribution hole 63, and a tank body; the tank body is filled with the biofilm carrier packing material 61, and the water distribution holes 63 are evenly arranged at the bottom of the tank body, and the water distribution holes 63 are connected to the water distribution pipe 22 through the connecting pipe 62.

[0045] In one embodiment, the pore size of the perforated plate is smaller than the diameter of the biofilm carrier packing 61 in the sewage treatment system 6 to prevent the packing from flowing out. The pore size of the perforated plate is 8-20 mm, and the porosity is 40-60%.

[0046] In one embodiment, the cone 32 forms a 40-70° angle with the bottom of the wastewater treatment system 6, which facilitates the fluidization of the biofilm carrier packing 61 and prevents it from accumulating and clogging.

[0047] In one embodiment, the gap between the water distribution pipe 22 and the through hole is smaller than the diameter of the biofilm carrier packing 61 in the sewage treatment system 6 to prevent the packing from flowing out.

[0048] In one embodiment, the number of water distribution pipes 22 is 4-10, and the diameter is 25-100mm.

[0049] Working principle:

[0050] First, the water collection system 3 and the water distribution system 2 are placed on the upper part of the sewage treatment system 6 through the bracket 5. The water distribution pipe 22 of the water distribution system 2 is connected to the water distribution hole 63 of the sewage treatment system 6 through the connecting pipe 62. 10-70% of the biofilm carrier packing 61 is added to the sewage treatment system 6.

[0051] When wastewater is added, it first enters the inner water tank 21 of the water distribution system 2 through the inlet pipe 1, and then flows into the wastewater treatment system 6 through the water distribution pipe 22. During the process of the wastewater rising from the bottom of the pool in the wastewater treatment system 6, pollutants are removed by the microorganisms on the biofilm carrier packing 61. After being treated by the biofilm carrier packing 61, the wastewater rises and flows into the water collection system 3. The perforated plate of the water collection system 3 intercepts the biofilm carrier packing 61 in the wastewater treatment system 6. The treated water flows out through the outlet pipe 4 and then enters the next treatment system.

[0052] Example 2

[0053] Example 2 is a preferred example of Example 1.

[0054] As shown in 1-4, this embodiment includes: inlet pipe 1, water distribution system 2, water collection system 3, outlet pipe 4, and support 5; this embodiment is mainly applied to wastewater treatment biofilm systems, which can achieve the goal of uniform water distribution and separation of the packing carrier from the water.

[0055] The water distribution system 2 includes an inner water tank 21 and water distribution pipes 22. The inlet pipe 1 is connected to the inner water tank 21, and the inner water tank 21 is connected to the water distribution pipes 22. There are 9 water distribution pipes 22, each with a diameter of 80mm. Wastewater enters the inner water tank 21 through the inlet pipe 1 and then flows into the wastewater treatment system 6 through the water distribution pipes 22.

[0056] The upper part of the water collection system 3, column 31, is a cuboid, and the lower part, cone 32, is a conical hopper with a 100mm wide flat bottom. At least two sides of the cuboid are perforated plates, and all four sides of the cone are perforated plates, which intercept the packing material and prevent it from flowing out of the wastewater treatment system 6. The perforation diameter of the perforated plates is 10mm, the carrier size is 25mm, and the opening rate is 45%. The cone forms a 60° angle with the bottom of the tank to facilitate carrier fluidization and prevent accumulation and clogging. The bottom surface of the cone has a through-hole slightly larger than the distribution pipe 22, allowing the distribution pipe 22 to pass through. The gap between the distribution pipe 22 and the bottom surface of the cone is smaller than the size of the biofilm carrier packing material 61, preventing the biofilm carrier packing material 61 from flowing out. The water collection system 3 is connected to the outlet pipe 4. After treatment, wastewater enters the water collection system 3 through the perforated plates and then flows out of the wastewater treatment system 6 through the outlet pipe 4.

[0057] This embodiment also includes a bracket 5, which can place the water collection system 3 together with the water distribution system 2 into the sewage treatment system 6. The bracket 5 is connected to the water distribution system 2 and the water collection system 3 by bolts or other means, thus forming a whole, which is convenient for installation.

[0058] like Figure 5 As shown, in this embodiment, the support 5 is placed on the upper part of the sewage treatment system 6. The water distribution pipe 22 is connected to the water distribution hole 63 of the sewage treatment system 6 through the connecting pipe 62. 10-70% of the biofilm carrier packing 61 is added to the sewage treatment system 6. Sewage enters the inner water tank 21 through the inlet pipe 1, and then flows into the bottom of the sewage treatment system 6 through the water distribution pipe 22. In the sewage treatment system 6, pollutants are removed by the action of microorganisms on the biofilm carrier packing 62. Finally, the sewage rises and flows into the water collection system 3. The perforated plate of the water collection system 3 intercepts the biofilm carrier packing 62 in the sewage treatment system 6, and the treated water flows out through the outlet pipe 4, thus entering the next treatment system.

[0059] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0060] Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A uniform water distribution and collection modular device, characterized by, The application relates to a sewage treatment device, which comprises the following parts: an inlet pipe (1), a water distribution system (2), a water collecting system (3), an outlet pipe (4) and a sewage treatment system (6). The inlet pipe (1) is connected with the water distribution system (2), and the outlet pipe (4) is connected with the water collecting system (3). The water distribution system (2) is installed on the water collecting system (3), the water collecting system (3) is placed on the sewage treatment system (6) and the bottom provided with perforations is immersed in the sewage treatment system (6), and the water distribution system (2) is connected with the bottom of the sewage treatment system (6) through a water distribution pipe (22). The water distribution system (2) comprises an inner water tank (21) and the water distribution pipe (22). The inlet pipe (1) is connected with the inner water tank (21), and the inner water tank (21) is connected with the water distribution pipe (22). The water collecting system (3) comprises a column body (31) and a cone body (32). The outlet pipe (4) is connected with the column body (31), and the bottom of the column body (31) is connected with the cone body (32). The sewage treatment system (6) comprises a biofilm carrier filler (61), a connecting pipe (62), a water distribution hole (63) and a pool body. The pool body is filled with the biofilm carrier filler (61), the bottom of the pool body is uniformly provided with the water distribution hole (63), and the water distribution hole (63) is connected with the water distribution pipe (22) through the connecting pipe (62). The column body (31) is in the shape of a cuboid or a cylinder, when the column body (31) is in the shape of a cuboid, at least two wall surfaces of the column body (31) are provided with perforated plates. The cone body (32) is in the shape of a trapezoidal cone or a circular cone, and the cone body (32) is provided with a perforated plate. The aperture of the perforated plate is smaller than the diameter of the biofilm carrier filler (61) in the sewage treatment system (6). The bottom of the cone body (32) is provided with a flat bottom, a through hole is formed in the flat bottom, the water distribution pipe (22) penetrates out of the through hole, and the aperture of the water distribution pipe (22) and the through hole is smaller than the diameter and thickness of the biofilm carrier filler (61) in the sewage treatment system (6). A support (5) is arranged on the column body (31), the column body (31) is placed on the sewage treatment system (6) through the support (5), and the inner water tank (21) is installed on the column body (31) through the support (5).

2. The uniform water distribution and collection modular device of claim 1, wherein: The aperture of the perforated plate is 8-20 mm, and the opening rate is 40-60%.

3. The uniform water distribution and collection modular device of claim 1, wherein: The cone body (32) and the pool bottom of the sewage treatment system (6) form an included angle of 40-70 degrees.

4. The uniform water distribution and collection modular device of claim 1, wherein: The application further discloses a sewage treatment method, which comprises the following steps:

5. A method of operating the uniform water distribution and collection modular apparatus of any one of claims 1-4, wherein, S1, placing the water collecting system (3) and the water distribution system (2) on the upper portion of the sewage treatment system (6) through the support (5); S2, connecting the water distribution pipe (22) of the water distribution system (2) with the water distribution hole (63) of the sewage treatment system (6) through the connecting pipe (62); S3, adding the biofilm carrier filler (61) with a specific gravity of 10-70% in the sewage treatment system (6); S4, making sewage enter the inner water tank (21) of the water distribution system (2) through the inlet pipe (1), and then making the sewage flow into the sewage treatment system (6) through the water distribution pipe (22). ​ Step S5, the sewage in the sewage treatment system (6) is removed by the microorganism on the biological membrane carrier filler (61) during the process of rising from the bottom of the pool; Step S6, the sewage treated by the biological membrane carrier filler (61) rises and flows into the water collecting system (3), the perforated plate of the water collecting system (3) intercepts the biological membrane carrier filler (61) in the sewage treatment system (6), and the treated water flows out through the water outlet pipe (4).

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