Aeration tank for storing papermaking reuse water

Abstract

The utility model relates to the technical field of papermaking, and discloses an aeration tank for storing papermaking reuse water, which comprises an aeration tank, an air blower, a PH sensor, a water inlet, a circulating pump, a water outlet valve, a radar liquid level meter and a temperature sensor, the air blower provides air for the system, enough dissolved oxygen in the aeration tank is ensured to be used by microorganisms, and the gas distributor uniformly distributes air at the tail end of the pipeline, so that each aerator can obtain enough air supply. According to the aeration tank for storing papermaking reuse water, continuous circulation of a water body in the aeration tank is ensured by using the circulating pump, so that uniform distribution of dissolved oxygen in the water is ensured, balanced development of microbial communities is promoted, the circulation effect is beneficial to avoiding accumulation of sludge at the bottom of the tank, and the water quality is improved. The treatment efficiency of the system on the organic matters in the papermaking reuse water is improved, and meanwhile, the stability of the effluent quality is also kept.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking, in particular to an aeration tank for storing recycled water for papermaking. Background Art

[0002] In the papermaking industry, a large amount of water is used in the production process. From the production of pulp to the forming of paper, water is required in every step, which leads to the generation of a large amount of wastewater containing pulp residues, chemicals and other organic matter.

[0003] The prior art patent document with publication number CN203741134U discloses an aeration tank for storing recycled water for papermaking, the aeration tank for storing recycled water for papermaking comprising a tank body, an aeration pipe network is laid in the tank body, aeration holes are arranged on each branch pipe of the aeration pipe network, and the aeration pipe network is connected to an air source supply device; the aeration tank for storing recycled water for papermaking of the utility model is ingeniously conceived, the oxygen content in the water body is increased by the aeration pipe network, the reproduction of anaerobic bacteria in the recycled water tank in the papermaking production system can be effectively inhibited, and at the same time, the aeration design effectively stirs the water flow in each corner of the water tank to avoid the formation of dead corners of water flow, which can effectively improve the quality of the recycled water tank, prevent the product paper from having odor due to the deterioration of the quality of the recycled water tank, and improve the on-site production environment.

[0004] However, the treatment effect of the aeration tank used for storing recycled papermaking water in the prior art CN203741134U patent is not good. The volume of gas released through the pipes and holes at the bottom of the tank is large and cannot be effectively absorbed by the water body, and cannot effectively increase the oxygen content of the water. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model aims to provide an aeration tank for storing recycled papermaking water, so as to solve the problem of poor treatment effect of the aeration tank for storing recycled papermaking water proposed in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aeration tank for storing recycled water for papermaking, the aeration tank for storing recycled water for papermaking comprising an aeration tank, a blower, a regulating valve, an air inlet filter, an aeration pipe, a gas distributor, an aerator, a micropore, a dissolved oxygen sensor, a PH sensor, a water inlet, a water outlet, a circulation pump, a circulating water inlet pipe, a circulating water outlet pipe, a water outlet valve, a control panel, a radar level gauge and a temperature sensor, a blower is arranged at the left end of the aeration tank, a regulating valve is arranged at the left end of the blower, an air inlet filter is arranged at the upper end of the blower, an aeration pipe is arranged at the front end of the blower, a gas distributor is arranged at the right end of the aeration pipe, the rear section of the aeration pipe is in a mouth shape and is placed at the bottom of the tank, the blower provides air for the system to ensure that there is enough dissolved oxygen in the aeration tank for use by microorganisms, and the gas distributor evenly distributes air at the end of the pipe to ensure that each aerator can obtain sufficient air supply.

[0009] Preferably, a plurality of aerators are provided at the upper end of the aeration pipe, and a plurality of micropores are provided at the upper end of the aerators to convert the air transported to the aeration tank into tiny bubbles, thereby increasing the contact area between the gas and water and improving the dissolution efficiency of oxygen.

[0010] Preferably, a dissolved oxygen sensor is provided inside the aeration tank, and a pH sensor is provided inside the aeration tank to monitor the dissolved oxygen concentration in the water in real time, providing a basis for automatic control of the system.

[0011] Preferably, a water inlet is provided at the upper end of the aeration tank, and a water outlet is provided at the lower end of the aeration tank.

[0012] Preferably, a circulation pump is provided at the right end of the aeration tank, and a circulating water inlet pipe is provided at the lower end of the circulation pump to circulate the water in the aeration tank to ensure uniform distribution of dissolved oxygen and microorganisms in the water body.

[0013] Preferably, a circulating water outlet pipe is provided at the upper end of the circulating pump, and a water outlet valve is provided at the water outlet, which are respectively responsible for pumping water out of the pool and reintroducing water into the pool, thereby forming a water circulation and improving the treatment efficiency.

[0014] Preferably, a control panel is provided at the front end of the aeration tank, a radar level gauge is provided at the upper end of the interior of the aeration tank, a temperature sensor is provided inside the aeration tank, and the radar level gauge monitors the water level in the aeration tank to ensure that the system operates within a safe and effective water level range.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The aeration tank used to store recycled paper water uses a circulating pump to ensure that the water in the aeration tank can circulate continuously, which not only ensures the uniform distribution of dissolved oxygen in the water, but also promotes the balanced development of the microbial community. This circulation effect helps to avoid the accumulation of sludge at the bottom of the tank, improves the system's treatment efficiency for organic matter in recycled paper water, and also maintains the stability of the effluent water quality;

[0017] 2. The aeration tank used to store recycled paper water can monitor key parameters in the aeration tank in real time, such as dissolved oxygen concentration, water pH, water level and temperature, by using dissolved oxygen sensors, pH sensors, radar level gauges and temperature sensors. These data can be used for the operation of the intelligent regulation system, such as automatically adjusting the operating speed of the blower, the opening and closing degree of the regulating valve and the operating frequency of the circulating pump to meet the real-time needs of the treatment process and ensure the optimization of the treatment effect.

[0018] 3. The main function of the gas distributor in the aeration tank used to store recycled paper water is to ensure that the gas (such as air or pure oxygen) can be evenly distributed throughout the water body of the aeration tank. This uniform distribution is essential to ensure that the microbial community in the water can effectively access sufficient oxygen, thereby optimizing the metabolic activities of the microorganisms and improving the efficiency of organic matter decomposition. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the aeration tank of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the aeration tank of the utility model;

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

[0022] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.

[0023] In the figure: 1. Aeration tank; 2. Blower; 3. Regulating valve; 4. Air inlet filter; 5. Aeration pipe; 6. Gas distributor; 7. Aerator; 8. Micropore; 9. Dissolved oxygen sensor; 10. PH sensor; 11. Water inlet; 12. Water outlet; 13. Circulation pump; 14. Circulation water inlet pipe; 15. Circulation water outlet pipe; 16. Water outlet valve; 17. Control panel; 18. Radar level meter; 19. Temperature sensor. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: an aeration tank for storing recycled water for papermaking, the aeration tank for storing recycled water for papermaking comprises an aeration tank 1, a blower 2, a regulating valve 3, an air inlet filter 4, an aeration pipeline 5, a gas distributor 6, an aerator 7, a micropore 8, a dissolved oxygen sensor 9, a PH sensor 10, a water inlet 11, a water outlet 12, a circulating pump 13, a circulating water inlet pipe 14, a circulating water outlet pipe 15, a water outlet valve 16, a control panel 17, a radar level meter 18 and a temperature sensor 19 A blower 2 is provided at the left end of the aeration tank 1, a regulating valve 3 is provided at the left end of the blower 2, an air intake filter 4 is provided at the upper end of the blower 2, an aeration pipe 5 is provided at the front end of the blower 2, a gas distributor 6 is provided at the right end of the aeration pipe 5, and the rear section of the aeration pipe 5 is in a mouth shape and is placed at the bottom of the tank. In this aeration tank device, water to be treated enters the aeration tank 1 through the water inlet 11, and the blower 2 inhales air through the air intake filter 4 to ensure the cleanliness of the air. The regulating valve 3 controls the amount of air entering the aeration system.

[0026] Several aerators 7 are arranged at the upper end of the aeration pipe 5, several micropores 8 are arranged at the upper end of the aerator 7, a dissolved oxygen sensor 9 is arranged inside the aeration tank 1, a pH sensor 10 is arranged inside the aeration tank 1, a water inlet 11 is arranged at the upper end of the aeration tank 1, a water outlet 12 is arranged at the lower end of the aeration tank 1, and the gas distributor 6 evenly distributes the air to the aerator 7, wherein the micropores 8 ensure that the air is released into the water in the form of fine bubbles to improve the dissolution efficiency of oxygen, and the dissolved oxygen sensor 9 and the pH sensor 10 continuously monitor the dissolved oxygen level and pH of the water to ensure that the water quality is in the best treatment state.

[0027] A circulation pump 13 is provided at the right end of the aeration tank 1, a circulation water inlet pipe 14 is provided at the lower end of the circulation pump 13, a circulation water outlet pipe 15 is provided at the upper end of the circulation pump 13, and a water outlet valve 16 is provided at the water outlet 12. A control panel 17 is provided at the front end of the aeration tank 1, a radar level gauge 18 is provided at the upper end of the interior of the aeration tank 1, and a temperature sensor 19 is provided inside the aeration tank 1. The temperature sensor 19 monitors the water temperature because the temperature affects the level of dissolved oxygen and the activity of microorganisms. The radar level gauge 18 is used to monitor the water level to avoid overflow and ensure that the water volume is within an appropriate range. The circulation pump 13 promotes the circulation of the water body through the circulation water inlet pipe 14 and the circulation water outlet pipe 15, which helps to evenly distribute oxygen and microorganisms in the water to improve the treatment efficiency. After a series of biodegradation and treatment, the clean water is discharged from the water outlet 12 through the water outlet valve 16. The whole process is automatically controlled and adjusted by the control panel 17 to ensure the efficient operation of the aeration tank system.

[0028] Working principle: In this aeration tank device, the water to be treated enters the aeration tank 1 through the water inlet 11, the blower 2 inhales air through the air inlet filter 4 to ensure the cleanliness of the air, the regulating valve 3 controls the amount of air entering the aeration system, and the air is transported to the gas distributor 6 through the aeration pipe 5. The gas distributor 6 then evenly distributes the air to the aerator 7, where the micropores 8 ensure that the air is released into the water in the form of fine bubbles to improve the dissolution efficiency of oxygen. The dissolved oxygen sensor 9 and the pH sensor 10 continuously monitor the dissolved oxygen level and pH of the water to ensure that the water quality is in the best treatment state. The temperature sensor 19 monitors the water temperature because the temperature will affect The radar level gauge 18 is used to monitor the water level to avoid overflow and ensure that the water volume is within an appropriate range. The circulation pump 13 promotes the circulation of the water body through the circulation inlet pipe 14 and the circulation outlet pipe 15, which helps to evenly distribute oxygen and microorganisms in the water to improve the treatment efficiency. After a series of biodegradation and treatment, the clean water is discharged from the outlet 12 through the outlet valve 16. The whole process is automatically controlled and adjusted by the control panel 17 to ensure the efficient operation of the aeration tank system. The control panel adjusts the working status of the blower, regulating valve and circulation pump according to the sensor feedback to optimize the aeration process and water quality treatment effect.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An aeration tank for storing recycled water for papermaking, the aeration tank for storing recycled water for papermaking comprising an aeration tank (1), a blower (2) and a regulating valve (3), characterized in that: A blower (2) is arranged at the left end of the aeration tank (1), a regulating valve (3) is arranged at the left end of the blower (2), an air intake filter (4) is arranged at the upper end of the blower (2), an aeration pipe (5) is arranged at the front end of the blower (2), a gas distributor (6) is arranged at the right end of the aeration pipe (5), and the rear section of the aeration pipe (5) is in a square shape and is placed at the bottom of the tank.

2. The aeration tank for storing recycled water for papermaking according to claim 1, characterized in that: A plurality of aerators (7) are arranged at the upper end of the aeration pipe (5), and a plurality of micropores (8) are arranged at the upper end of the aerators (7).

3. The aeration tank for storing recycled water for papermaking according to claim 1, characterized in that: A dissolved oxygen sensor (9) is arranged inside the aeration tank (1), and a pH sensor (10) is arranged inside the aeration tank (1).

4. The aeration tank for storing recycled water for papermaking according to claim 1, characterized in that: The upper end of the aeration tank (1) is provided with a water inlet (11), and the lower end of the aeration tank (1) is provided with a water outlet (12).

5. The aeration tank for storing recycled water for papermaking according to claim 4, characterized in that: A circulation pump (13) is provided at the right end of the aeration tank (1), and a circulation water inlet pipe (14) is provided at the lower end of the circulation pump (13).

6. The aeration tank for storing recycled water for papermaking according to claim 5, characterized in that: A circulating water outlet pipe (15) is provided at the upper end of the circulating pump (13), and a water outlet valve (16) is provided at the water outlet (12).

7. The aeration tank for storing recycled water for papermaking according to claim 1, characterized in that: A control panel (17) is provided at the front end of the aeration tank (1), a radar level meter (18) is provided at the upper end of the interior of the aeration tank (1), and a temperature sensor (19) is provided inside the aeration tank (1).

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