Sewage treatment carbon source screening device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment carbon source screening device which comprises a screening pool, a placing grid and a treatment unit. A plurality of placing grids are arranged in the screening pool, processing units of different models can be correspondingly placed in the placing grids according to the actual production process, the placing grids and the processing units are in sealed connection, the placing units are communicated according to the actual operation process, and power units of various types are arranged. Different power units may cooperate with their corresponding processing units. In the using process of the carbon source screening device, not only can the actual operation process of a factory be simulated, so that the screening of the carbon source is more suitable for the actual production, but also the carbon source screening device can be flexibly adjusted according to different production operation processes, and convenience is brought to the screening work of the carbon source.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a wastewater treatment carbon source screening device. Background Technology

[0002] Wastewater refers to various types of polluted water, including urban domestic sewage and industrial wastewater from industrial parks (clusters). For the recycling of water resources and environmental protection, wastewater needs to be treated. By treating wastewater, pollutants are removed from the water body and it is discharged only after meeting certain standards. This process is of great significance for the recycling of water resources and environmental protection.

[0003] Currently, most municipal wastewater treatment plants suffer from insufficient carbon sources, requiring the addition of additional carbon sources for denitrification. Carbon sources can be classified by their effective components into single carbon sources, composite carbon sources, and waste-source carbon sources, and by their form into solid carbon sources and liquid carbon sources. Carbon sources are carbon-containing compounds that provide nutrients for the growth and metabolism of microorganisms in wastewater biological treatment systems. By adding carbon sources, the production and metabolic needs of microorganisms can be guaranteed, thereby ensuring the effectiveness of wastewater treatment.

[0004] The current carbon source market excessively focuses on COD equivalent, leading to inconsistent reagent quality. Improper use of these reagents can cause environmental problems and even lead to wastewater treatment system collapse. Therefore, a comprehensive evaluation and screening of carbon sources is necessary. However, current carbon source screening primarily relies on laboratory testing, with qualified sources then being validated in production. This complicates the screening process and may not always identify carbon sources suitable for actual production needs. Therefore, a carbon source screening device that better aligns with practical production requirements is a pressing issue that needs to be addressed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of the existing technology by providing a wastewater treatment carbon source screening device, which can detect the actual wastewater treatment effect of the carbon source to be screened, thereby screening out carbon sources that are more closely aligned with actual production.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a wastewater treatment carbon source screening device, including an operating table, a screening tank on the operating table, multiple placement grids in the screening tank, and treatment units installed in the placement grids. The placement grids and treatment units are sealed together. The treatment units are of various types, and the position of each treatment unit in the screening tank can be combined and adjusted according to the actual operating process of the plant.

[0007] Furthermore, each of the placement grids has placement slots at both ends, which are sealed to both ends of the processing unit. Each placement slot has a corresponding communication port on the wall of the screening pool, which is connected to the processing unit.

[0008] Furthermore, sealing gaskets are provided on both sides of the placement trough, and guide plates are provided on both sides of the processing unit. The placement trough and the guide plates are sealed by the sealing gaskets, forming a sealed space on all sides. The connection port is connected to the processing unit through this space. The connection ports corresponding to different processing units are connected by connecting hoses according to the operating process.

[0009] Furthermore, the processing units include, but are not limited to, anaerobic units, anoxic units, aerobic units, and precipitation units.

[0010] Furthermore, the anaerobic unit is equipped with a first stirrer; the anoxic unit is equipped with a second stirrer; the aerobic unit is equipped with a third stirrer, and an aeration device is provided at the bottom of the aerobic unit.

[0011] Furthermore, a mounting plate is provided in the middle of the screening pool, and a power unit is installed on the mounting plate. The power unit includes various types, and different types of power units are respectively matched with their corresponding processing units.

[0012] Furthermore, the power unit includes an aeration pump, an external return pump, and an internal return pump; the aeration pump is connected to the aeration device, the external return pump is coordinated with the sedimentation unit and the anaerobic unit, and the internal return pump is coordinated with the aerobic unit and the anoxic unit.

[0013] Furthermore, the control panel is provided on the control table, and the control panel is used in conjunction with the power unit.

[0014] Furthermore, a drain outlet is provided at the bottom of the screening pool.

[0015] Furthermore, the anaerobic unit is equipped with online monitoring instruments for orthophosphate, sludge concentration, and COD; the anoxic unit is equipped with online monitoring instruments for nitrate nitrogen, nitrite nitrogen, sludge concentration, and COD; and the aerobic unit is equipped with an online COD monitoring instrument.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model can be reasonably adjusted and arranged according to the actual operating process of different factory areas, so that on the one hand, it can simulate the actual operating process of the factory area, and on the other hand, it can be applied to different production processes, making it more convenient and easy to use, and easy to use in carbon source screening work.

[0018] 2. This utility model is simple and convenient to use. The overall size of the device is small, and the volume of a single processing unit is about 10L. While simulating the process in the factory area, it can also effectively improve the screening efficiency. After use, it can be rinsed with clean water and the wastewater can be discharged through the drain outlet, making it more convenient to use. Attached Figure Description

[0019] Figure 1 This is a top view of the structure of this utility model;

[0020] Figure 2 This is a top view schematic diagram of the placement grid structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the main structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the anaerobic unit inlet side structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the effluent side structure of the anaerobic unit of this utility model.

[0024] The names corresponding to each mark in the diagram:

[0025] 1. Control panel; 2. Screening tank; 21. Placement grid; 211. Placement trough; 212. Sealing gasket; 213. Connecting port; 22. Mounting plate; 23. Drain outlet; 3. Treatment unit; 31. Anaerobic unit; 311. First agitator; 32. Anoxic unit; 321. Second agitator; 33. Aerobic unit; 331. Third agitator; 332. Aeration device; 34. Sedimentation unit; 35. Guide plate; 36. Handle; 37. Inlet; 38. Outlet; 4. Power unit; 41. Aeration pump; 42. External return pump; 43. Internal return pump; 5. Control panel. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0027] Embodiments of this utility model:

[0028] like Figure 1-5As shown, the carbon source screening device in this embodiment is provided with an operating table 1, a screening pool 2 is provided on the operating table 1, and a plurality of placement grids 21 are provided in the screening pool 2. Each placement grid 21 has a placement groove 211 on both sides, and a processing unit 3 is placed through the placement groove 211. The placement groove 211 and the processing unit 3 are sealed together.

[0029] With A 2 Taking the O process as an example, the treatment unit 3 includes an anaerobic unit 31, an anoxic unit 32, an aerobic unit 33, and a sedimentation unit 34. Each treatment unit 3 has a guide plate 35 on both sides, which is sealed to the placement tank 211. The placement tank 211 has a connecting port 213, which communicates with the treatment unit 3 through the sealed space formed by the placement tank 211 and the guide plate 35. Sealing gaskets 212 are provided on both sides of the placement tank 211, and the guide plate 35 is sealed to the placement tank 211 using the sealing gaskets 212. It should be noted that the above-mentioned treatment unit 3 is based on A... 2 Taking the O process as an example, when other wastewater treatment processes are used, such as modified A... 2 For processes such as O, the treatment unit 3 needs to be adapted to the type and location of the process according to the specific process. For example, a pre-anoxic unit 32 can be added at the front end of the anaerobic unit 31. This is easy to understand for those skilled in the art, so it will not be described in detail.

[0030] A first stirrer 311 is installed and fixed in the anaerobic unit 31, a second stirrer 321 is installed and fixed in the anoxic unit 32, and a third stirrer 331 is installed and fixed in the aerobic unit 33. An aeration device 332 is provided at the bottom of the aerobic unit 33. The anaerobic unit 31, the anoxic unit 32, the aerobic unit 33, and the sedimentation unit 34 are connected in sequence. Each treatment unit 3 is interconnected by a connecting port 213 on the screening tank 2. In this embodiment, each connecting port 213 is connected by a connecting hose and tightened with thin iron wire. For the anaerobic unit 31, the anoxic unit 32, and the aerobic unit 33, the inlet 37 is located at the bottom of the unit, and the outlet 38 is located at the top of the unit. For the sedimentation unit 34, both the inlet 37 and the outlet 38 are located at the top of the unit. Each treatment unit 3 is provided with a handle 36.

[0031] Meanwhile, a mounting plate 22 is also provided in the middle of the screening tank 2, and a power unit 4 is installed on the mounting plate 22. The power unit 4 includes an aeration pump 41, an external return pump 42, and an internal return pump 43, with A 2Taking the O process as an example, the aeration pump 41 is connected to the aeration device 332 in the aerobic unit 33 to introduce air into the aerobic unit 33 for aeration; the external return pump 42 is used for sludge return, returning part of the sludge settled in the sedimentation unit 34 to the front end of the anaerobic unit 31; the internal return pump 43 is used for nitrification liquor return, returning the nitrification liquor to the front end of the anoxic unit 32; the above uses A 2 Taking process O as an example, it is not difficult for those skilled in the art to understand that for different processes, such as modified A... 2 In processes such as O, a portion of the sludge in the sedimentation unit 34 is returned to the front end of the pre-anoxic section via an external return pump 42. An operation panel 5 is also provided on the control panel 1 for controlling the various devices in the power unit 4. All devices in the power unit 4 are existing devices. In this embodiment, devices with built-in flow measurement functions are selected. The flow rate of each device can be adjusted through the operation panel 5. However, if the device does not have a flow measurement function, a flow meter needs to be equipped to monitor and adjust the flow rate during the process.

[0032] A drain outlet 23 is provided at the bottom of the screening tank 2. The drain outlet 23 is located below the mounting plate 22. The treated waste liquid is discharged and collected through the drain outlet 23.

[0033] The principle of this utility model is as follows:

[0034] This utility model can be rationally configured according to the actual operating process of the sewage treatment plant during use, such as using A. 2 During the O process, each processing unit 3 is arranged according to the attached... Figure 1 The connection can be made as shown. However, if other processes are used, such as modified A... 2 For the O process, a pre-anoxic unit 32 needs to be added to the processing unit 3 and placed at the front end of the anaerobic unit 31. The pre-anoxic unit 32 also needs to be stirred, which is easy to understand for those skilled in the art, so it will not be described in detail.

[0035] This invention simulates the actual operating process of a plant. During the carbon source screening process, actual water from the plant is used for testing and screening, with A... 2 Taking the O process as an example, water is introduced from one side of the anaerobic unit 31. After the device is running stably (adjust the appropriate flow rate, internal and external reflux ratio and aeration rate, which involves basic skills for those skilled in the art and will not be elaborated here), the carbon source that needs to be screened is added, and the various indicators of the water body are tested during the process. Thus, the quality of the carbon source in actual production operation can be accurately judged, which has a stronger guiding significance for actual production and is more convenient to use.

[0036] This invention can be used in conjunction with various detection instruments, such as online monitors for orthophosphate, sludge concentration, and COD in the anaerobic unit; online monitors for nitrate nitrogen, nitrite nitrogen, sludge concentration, and COD at the end of the anoxic unit; and online COD monitors in the aerobic unit. This makes the operation and use of the experimental device easier, avoids manual sampling and analysis, and improves experimental efficiency. The aforementioned monitoring instruments and probes are existing mature equipment and will not be described in detail.

Claims

1. A wastewater treatment carbon source screening device, characterized in that: The system includes an operating table (1), on which a screening pool (2) is provided. Multiple placement grids (21) are provided in the screening pool (2). Processing units (3) are installed and placed in the placement grids (21). The placement grids (21) and the processing units (3) are sealed together. The processing units (3) are of various types. The position of each processing unit (3) in the screening pool (2) can be combined and adjusted according to the actual operating process of the plant.

2. The wastewater treatment carbon source screening device according to claim 1, characterized in that: The placement grid (21) is provided with placement slots (211) at both ends. The placement slots (211) are sealed to both ends of the processing unit (3). Each placement slot (211) is provided with a corresponding communication port (213) on the wall of the screening pool (2). The communication port (213) is connected to the processing unit (3).

3. The wastewater treatment carbon source screening device according to claim 2, characterized in that: The placement trough (211) is provided with sealing gaskets (212) on both sides, and guide plates (35) are provided on both sides of the processing unit (3). The placement trough (211) and the guide plates (35) are sealed by the sealing gaskets (212). The placement trough (211) and the guide plates (35) form a space with sealed sides. The connection port (213) is connected to the processing unit (3) through this space. The connection ports (213) corresponding to different processing units (3) are connected by connecting hoses according to the operating process.

4. The wastewater treatment carbon source screening device according to claim 1, characterized in that: The processing unit (3) includes, but is not limited to, an anaerobic unit (31), an anoxic unit (32), an aerobic unit (33), and a precipitation unit (34).

5. The wastewater treatment carbon source screening device according to claim 4, characterized in that: The anaerobic unit (31) is equipped with a first stirrer (311), the anoxic unit (32) is equipped with a second stirrer (321), the aerobic unit (33) is equipped with a third stirrer (331), and an aeration device (332) is provided at the bottom of the aerobic unit (33).

6. The wastewater treatment carbon source screening device according to claim 5, characterized in that: The screening pool (2) is provided with a mounting plate (22) in the middle, and a power unit (4) is installed on the mounting plate (22). The power unit (4) includes various types, and different types of power units (4) are matched with their respective processing units (3).

7. The wastewater treatment carbon source screening device according to claim 6, characterized in that: The power unit (4) includes an aeration pump (41), an external return pump (42), and an internal return pump (43); the aeration pump (41) is connected to the aeration device (332), the external return pump (42) is coordinated with the sedimentation unit (34) and the anaerobic unit (31); the internal return pump (43) is coordinated with the aerobic unit (33) and the anoxic unit (32).

8. The wastewater treatment carbon source screening device according to claim 7, characterized in that: The control panel (1) is equipped with an operation panel (5), which is in conjunction with the power unit (4).

9. A wastewater treatment carbon source screening device according to claim 1, characterized in that: The bottom of the screening pool (2) is provided with a sewage outlet (23).

10. A wastewater treatment carbon source screening device according to claim 4, characterized in that: The anaerobic unit (31) is equipped with an online monitor for orthophosphate, sludge concentration and COD; the anoxic unit (32) is equipped with an online monitor for nitrate nitrogen, nitrite nitrogen, sludge concentration and COD; and the aerobic unit (33) is equipped with an online COD monitor.

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