Automatic dissolved oxygen control device of wastewater aeration system

Abstract

The utility model discloses an automatic dissolved oxygen control device of a wastewater aeration system, which comprises a wastewater treatment tank, the front of the wastewater treatment tank is fixedly connected with a case, the back of the wastewater treatment tank is fixedly connected with a compressed air pump, the left side of the case is fixedly connected with a power interface, and the left side of the case is fixedly connected with a compressed air pump. The inner bottom wall of the wastewater treatment tank is fixedly communicated with two aeration pipelines, the upper surface of each aeration pipeline is fixedly communicated with an aeration head, the inner wall of the wastewater treatment tank is fixedly connected with a dissolved oxygen sensor, and the upper surface of the dissolved oxygen sensor is fixedly connected with a connecting cable; according to the utility model, the dissolved oxygen concentration in the wastewater treatment system can be accurately monitored in real time through the dissolved oxygen sensor, and the analog-to-digital converter converts an analog signal of the dissolved oxygen sensor into a digital signal, so that data processing and analysis are facilitated, the measurement precision of the whole system can be improved, and more accurate dissolved oxygen concentration control can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an automatic dissolved oxygen control device for a wastewater aeration system. Background Art

[0002] A wastewater aeration system dissolved oxygen automatic control device is a device used to monitor and adjust the dissolved oxygen content in the sewage treatment process. By automatically controlling the dissolved oxygen content, it ensures that the aeration system can provide a suitable growth environment for microorganisms. This equipment has broad application prospects in my country's sewage treatment industry and will help promote the development of my country's environmental protection cause.

[0003] In the process of wastewater treatment, the concentration of dissolved oxygen has an important influence on the treatment effect of wastewater. If the dissolved oxygen concentration is too low, it will lead to incomplete degradation of organic matter in the wastewater and affect the treatment effect of wastewater. If the dissolved oxygen concentration is too high, it will increase the energy consumption and operating cost of the wastewater treatment system. Therefore, it is necessary to develop a dissolved oxygen automatic control device for wastewater aeration system with high control accuracy. Utility Model Content

[0004] The utility model aims to provide a dissolved oxygen automatic control device for a wastewater aeration system to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dissolved oxygen automatic control device for a wastewater aeration system, comprising a wastewater treatment tank, a front side of the wastewater treatment tank is fixedly connected to a chassis, a back side of the wastewater treatment tank is fixedly connected to a compressed air pump, a left side of the chassis is fixedly connected to a power interface, an inner bottom wall of the wastewater treatment tank is fixedly connected to two aeration pipes, an upper surface of each of the aeration pipes is fixedly connected to an aeration head, an inner wall of the wastewater treatment tank is fixedly connected to a dissolved oxygen sensor, an upper surface of the dissolved oxygen sensor is fixedly connected to a connecting cable, an output end of the connecting cable passes through the chassis and extends to the inside of the chassis, a temperature sensor is fixedly connected to the left side wall of the wastewater treatment tank, an analog-to-digital converter is fixedly connected to the inner wall of the chassis, an SD card is fixedly connected to the inner wall of the chassis, a microprocessor is fixedly connected to the inner wall of the chassis, a solenoid valve is fixedly connected to the inner bottom wall of the chassis, a frequency converter is fixedly connected to the inner bottom wall of the chassis, and a controller is fixedly connected to the inner bottom wall of the chassis.

[0006] Wherein, a control panel is fixedly connected to the front of the chassis, and a warning sign is fixedly connected to the front of the chassis.

[0007] Wherein, a nameplate is fixedly connected to the front of the chassis, and an alarm light is fixedly connected to the upper surface of the chassis.

[0008] Wherein, a group of heat dissipation slots are opened on the upper surface of the chassis, and a pressure gauge is fixedly connected to the left side of the wastewater treatment tank.

[0009] Wherein, an emergency brake button is fixedly connected to the left side of the wastewater treatment tank, and two lighting lamps are fixedly connected to the upper surface of the wastewater treatment tank.

[0010] Wherein, a solar panel is fixedly connected to the upper surface of the wastewater treatment pool, and a water outlet pipe is fixedly connected to the back side of the wastewater treatment pool.

[0011] The inner wall of the chassis is fixedly connected to a ventilation plate, and the upper surface of the ventilation plate is fixedly connected to two cooling fans.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model automatically calibrates the dissolved oxygen sensor, the dissolved oxygen sensor monitors the dissolved oxygen concentration in the wastewater treatment system in real time, the analog-to-digital converter collects the signal of the dissolved oxygen sensor, the dissolved oxygen sensor can monitor the dissolved oxygen concentration in the wastewater treatment system in real time and accurately, the analog-to-digital converter converts the analog signal of the dissolved oxygen sensor into a digital signal, which is convenient for data processing and analysis, which helps to improve the measurement accuracy of the entire system, thereby achieving more accurate dissolved oxygen concentration control; the microprocessor analyzes the pre-processed data according to a preset algorithm, the solenoid valve and the frequency converter analyze the results of the processing unit according to the analysis, the microprocessor can quickly process the dissolved oxygen concentration data, and calculate the appropriate aeration amount according to the preset algorithm, the solenoid valve and the frequency converter respond to the instructions of the microprocessor, and accurately adjust the aeration amount in the wastewater treatment system, which helps to keep the dissolved oxygen concentration stable within a set range and improve the wastewater treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of a wastewater aeration system dissolved oxygen automatic control device of the utility model;

[0015] Figure 2 It is a left-angle perspective three-dimensional structural diagram of a wastewater aeration system dissolved oxygen automatic control device of the utility model;

[0016] Figure 3 It is a top-down perspective three-dimensional structural diagram of a dissolved oxygen automatic control device for a wastewater aeration system according to the utility model;

[0017] Figure 4 It is a front cross-sectional view of an automatic dissolved oxygen control device for a wastewater aeration system according to the utility model;

[0018] Figure 5 This is a top view of a dissolved oxygen automatic control device for a wastewater aeration system according to the utility model;

[0019] Figure 6 It is a front view of an automatic dissolved oxygen control device for a wastewater aeration system according to the utility model.

[0020] In the figure: 1. Wastewater treatment tank; 2. Chassis; 3. Control panel; 4. Warning sign; 5. Nameplate; 6. Warning light; 7. Heat sink; 8. Compressed air pump; 9. Analog-to-digital converter; 10. Water outlet pipe; 11. Emergency brake button; 12. Cooling fan; 13. Ventilation plate; 14. Pressure gauge; 15. Power interface; 16. Lighting; 17. Solar panel; 18. Temperature sensor; 19. Aeration head; 20. Connecting cable; 21. Dissolved oxygen sensor; 22. Aeration pipe; 23. SD card; 24. Solenoid valve; 25. Controller; 26. Inverter; 27. Microprocessor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides a technical solution: an automatic dissolved oxygen control device for a wastewater aeration system, comprising a wastewater treatment tank 1, a cabinet 2 is fixedly connected to the front of the wastewater treatment tank 1, a compressed air pump 8 is fixedly connected to the back of the wastewater treatment tank 1, a power supply interface 15 is fixedly connected to the left side of the cabinet 2, two aeration pipes 22 are fixedly connected to the inner bottom wall of the wastewater treatment tank 1, an aeration head 19 is fixedly connected to the upper surface of each aeration pipe 22, a dissolved oxygen sensor 21 is fixedly connected to the inner wall of the wastewater treatment tank 1, and a dissolved oxygen sensor 22 is fixedly connected to the inner wall of the wastewater treatment tank 1. A connecting cable 20 is fixedly connected to the upper surface of the device 21, and the output end of the connecting cable 20 passes through the chassis 2 and extends to the interior of the chassis 2. A temperature sensor 18 is fixedly connected to the left wall of the wastewater treatment tank 1, an analog-to-digital converter 9 is fixedly connected to the inner wall of the chassis 2, an SD card 23 is fixedly connected to the inner wall of the chassis 2, a microprocessor 27 is fixedly connected to the inner wall of the chassis 2, a solenoid valve 24 is fixedly connected to the inner bottom wall of the chassis 2, a frequency converter 26 is fixedly connected to the inner bottom wall of the chassis 2, and a controller 25 is fixedly connected to the inner bottom wall of the chassis 2.

[0023] Among them, a control panel 3 is fixedly connected to the front of the chassis 2. The control panel 3 provides a user with an intuitive operation interface, which is convenient for the operator to view the operating parameters of the wastewater treatment system such as the dissolved oxygen concentration and aeration volume in real time. The operator can directly adjust the system parameters through the control panel 3 to improve the operating efficiency. A warning sign 4 is fixedly connected to the front of the chassis 2.

[0024] Among them, a nameplate 5 is fixedly connected to the front of the chassis 2, and the nameplate 5 usually indicates the name, model, specifications and production date of the equipment, which helps operators and maintenance personnel to identify the equipment and understand the basic characteristics and functions of the equipment. An alarm light 6 is fixedly connected to the upper surface of the chassis 2.

[0025] Among them, a group of heat dissipation grooves 7 are opened on the upper surface of the chassis 2, and a pressure gauge 14 is fixedly connected to the left side of the wastewater treatment tank 1. The pressure gauge 14 can display the pressure value of the gas in the wastewater treatment system in real time, which helps the operator to understand whether the gas pressure is within the normal range so as to adjust the aeration volume in time.

[0026] Among them, an emergency brake button 11 is fixedly connected to the left side of the wastewater treatment tank 1, and two lighting lamps 16 are fixedly connected to the upper surface of the wastewater treatment tank 1. The lighting lamps 16 can improve the visibility around the wastewater treatment system, making it easier for operators to promptly discover safety hazards during inspections and reduce the risk of accidents.

[0027] Among them, a solar panel 17 is fixedly connected to the upper surface of the wastewater treatment pool 1. The solar panel 17 converts solar energy into electrical energy to provide electricity for the wastewater aeration system, which helps to reduce the consumption of traditional fossil energy, reduce the operating cost of the wastewater treatment system, and achieve energy conservation and environmental protection. The back of the wastewater treatment pool 1 is fixedly connected to a water outlet pipe 10.

[0028] Among them, the inner wall of the chassis 2 is fixedly connected to a ventilation plate 13, and the upper surface of the ventilation plate 13 is fixedly connected to two cooling fans 12. The cooling fans 12 can improve the heat dissipation efficiency of the equipment, ensure that the heat generated by the equipment during normal operation can be dissipated in time, and avoid equipment damage or performance degradation due to overheating.

[0029] Working principle: When in use, first turn on the power of the device through the control panel 3, the system starts to start, and after the system starts, the dissolved oxygen sensor 21 is automatically calibrated. The dissolved oxygen sensor 21 monitors the dissolved oxygen concentration in the wastewater treatment system in real time. The analog-to-digital converter 9 collects the signal of the dissolved oxygen sensor 21, and the microprocessor 27 filters and amplifies the collected data. Then the microprocessor 27 analyzes the pre-processed data according to a preset algorithm. The solenoid valve 24 and the frequency converter 26 adjust the aeration amount in the wastewater treatment system according to the analysis results of the processing unit. The controller 25 is responsible for controlling the adjustment process of the solenoid valve 24 and the frequency converter 26. The control panel 3 displays the dissolved oxygen concentration in the wastewater treatment system in real time, and the SD card 23 will save the dissolved oxygen concentration data. After use, turn off the device through the control panel 3.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wastewater aeration system dissolved oxygen automatic control device, comprising a wastewater treatment tank (1), characterized in that: The front of the wastewater treatment tank (1) is fixedly connected to a housing (2), the back of the wastewater treatment tank (1) is fixedly connected to a compressed air pump (8), the left side of the housing (2) is fixedly connected to a power interface (15), the inner bottom wall of the wastewater treatment tank (1) is fixedly connected to two aeration pipes (22), the upper surface of each aeration pipe (22) is fixedly connected to an aeration head (19), the inner wall of the wastewater treatment tank (1) is fixedly connected to a dissolved oxygen sensor (21), the upper surface of the dissolved oxygen sensor (21) is fixedly connected to a connecting cable (20), and the connecting cable The output end of the (20) passes through the chassis (2) and extends to the interior of the chassis (2); the left side wall of the wastewater treatment tank (1) is fixedly connected to a temperature sensor (18); the inner wall of the chassis (2) is fixedly connected to an analog-to-digital converter (9); the inner wall of the chassis (2) is fixedly connected to an SD card (23); the inner wall of the chassis (2) is fixedly connected to a microprocessor (27); the inner wall of the chassis (2) is fixedly connected to an electromagnetic valve (24); the inner bottom wall of the chassis (2) is fixedly connected to a frequency converter (26); and the inner bottom wall of the chassis (2) is fixedly connected to a controller (25).

2. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: A control panel (3) is fixedly connected to the front of the chassis (2), and a warning sign (4) is fixedly connected to the front of the chassis (2).

3. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: A nameplate (5) is fixedly connected to the front of the chassis (2), and an alarm light (6) is fixedly connected to the upper surface of the chassis (2).

4. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: A group of heat dissipation slots (7) are provided on the upper surface of the chassis (2), and a pressure gauge (14) is fixedly connected to the left side of the wastewater treatment tank (1).

5. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: An emergency brake button (11) is fixedly connected to the left side of the wastewater treatment tank (1), and two lighting lamps (16) are fixedly connected to the upper surface of the wastewater treatment tank (1).

6. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: The upper surface of the wastewater treatment pool (1) is fixedly connected to a solar panel (17), and the back surface of the wastewater treatment pool (1) is fixedly connected to a water outlet pipe (10).

7. The automatic dissolved oxygen control device for a wastewater aeration system according to claim 1, characterized in that: The inner wall of the chassis (2) is fixedly connected to a ventilation plate (13), and the upper surface of the ventilation plate (13) is fixedly connected to two cooling fans (12).

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